aclocal.m4

   1 dnl***************************************************************************
   2 dnl Copyright (c) 1998-2013,2014 Free Software Foundation, Inc.              *
   3 dnl                                                                          *
   4 dnl Permission is hereby granted, free of charge, to any person obtaining a  *
   5 dnl copy of this software and associated documentation files (the            *
   6 dnl "Software"), to deal in the Software without restriction, including      *
   7 dnl without limitation the rights to use, copy, modify, merge, publish,      *
   8 dnl distribute, distribute with modifications, sublicense, and/or sell       *
   9 dnl copies of the Software, and to permit persons to whom the Software is    *
  10 dnl furnished to do so, subject to the following conditions:                 *
  11 dnl                                                                          *
  12 dnl The above copyright notice and this permission notice shall be included  *
  13 dnl in all copies or substantial portions of the Software.                   *
  14 dnl                                                                          *
  15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
  16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
  17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
  18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
  19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
  20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
  21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
  22 dnl                                                                          *
  23 dnl Except as contained in this notice, the name(s) of the above copyright   *
  24 dnl holders shall not be used in advertising or otherwise to promote the     *
  25 dnl sale, use or other dealings in this Software without prior written       *
  26 dnl authorization.                                                           *
  27 dnl***************************************************************************
  28 dnl
  29 dnl Author: Thomas E. Dickey 1995-on
  30 dnl
  31 dnl $Id: aclocal.m4,v 1.706 2014/08/02 22:38:39 tom Exp $
  32 dnl Macros used in NCURSES auto-configuration script.
  33 dnl
  34 dnl These macros are maintained separately from NCURSES.  The copyright on
  35 dnl this file applies to the aggregation of macros and does not affect use of
  36 dnl these macros in other applications.
  37 dnl
  38 dnl See http://invisible-island.net/autoconf/ for additional information.
  39 dnl
  40 dnl ---------------------------------------------------------------------------
  41 dnl ---------------------------------------------------------------------------
  42 dnl AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
  43 dnl -------------------
  44 dnl Inserted as requested by gettext 0.10.40
  45 dnl File from /usr/share/aclocal
  46 dnl codeset.m4
  47 dnl ====================
  48 dnl serial AM1
  49 dnl
  50 dnl From Bruno Haible.
  51 AC_DEFUN([AM_LANGINFO_CODESET],
  52 [
  53   AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
  54     [AC_TRY_LINK([#include <langinfo.h>],
  55       [char* cs = nl_langinfo(CODESET);],
  56       am_cv_langinfo_codeset=yes,
  57       am_cv_langinfo_codeset=no)
  58     ])
  59   if test $am_cv_langinfo_codeset = yes; then
  60     AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
  61       [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
  62   fi
  63 ])dnl
  64 dnl ---------------------------------------------------------------------------
  65 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
  66 dnl ------------------
  67 dnl Conditionally generate script according to whether we're using a given autoconf.
  68 dnl
  69 dnl $1 = version to compare against
  70 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
  71 dnl $3 = code to use if AC_ACVERSION is older than $1.
  72 define([CF_ACVERSION_CHECK],
  73 [
  74 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
  75 ifdef([m4_version_compare],
  76 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
  77 [CF_ACVERSION_COMPARE(
  78 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
  79 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
  80 dnl ---------------------------------------------------------------------------
  81 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
  82 dnl --------------------
  83 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
  84 dnl                      MAJOR2, MINOR2, TERNARY2,
  85 dnl                      PRINTABLE2, not FOUND, FOUND)
  86 define([CF_ACVERSION_COMPARE],
  87 [ifelse(builtin([eval], [$2 < $5]), 1,
  88 [ifelse([$8], , ,[$8])],
  89 [ifelse([$9], , ,[$9])])])dnl
  90 dnl ---------------------------------------------------------------------------
  91 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
  92 dnl -------------------
  93 dnl Construct the list of include-options for the C programs in the Ada95
  94 dnl binding.
  95 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
  96 [
  97 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
  98 if test "$srcdir" != "."; then
  99         ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
 100 fi
 101 if test "$GCC" != yes; then
 102         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 103 elif test "$includedir" != "/usr/include"; then
 104         if test "$includedir" = '${prefix}/include' ; then
 105                 if test x$prefix != x/usr ; then
 106                         ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 107                 fi
 108         else
 109                 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
 110         fi
 111 fi
 112 AC_SUBST(ACPPFLAGS)
 113 ])dnl
 114 dnl ---------------------------------------------------------------------------
 115 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
 116 dnl ---------------
 117 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
 118 AC_DEFUN([CF_ADD_ADAFLAGS],[
 119         ADAFLAGS="$ADAFLAGS $1"
 120         AC_SUBST(ADAFLAGS)
 121 ])dnl
 122 dnl ---------------------------------------------------------------------------
 123 dnl CF_ADD_CFLAGS version: 11 updated: 2014/07/22 05:32:57
 124 dnl -------------
 125 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
 126 dnl The second parameter if given makes this macro verbose.
 127 dnl
 128 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
 129 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
 130 dnl confused by the quotes (which require backslashes to keep them usable).
 131 AC_DEFUN([CF_ADD_CFLAGS],
 132 [
 133 cf_fix_cppflags=no
 134 cf_new_cflags=
 135 cf_new_cppflags=
 136 cf_new_extra_cppflags=
 137
 138 for cf_add_cflags in $1
 139 do
 140 case $cf_fix_cppflags in
 141 no)
 142         case $cf_add_cflags in #(vi
 143         -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
 144                 case $cf_add_cflags in
 145                 -D*)
 146                         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 147
 148                         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 149                                 && test -z "${cf_tst_cflags}" \
 150                                 && cf_fix_cppflags=yes
 151
 152                         if test $cf_fix_cppflags = yes ; then
 153                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 154                                 continue
 155                         elif test "${cf_tst_cflags}" = "\"'" ; then
 156                                 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 157                                 continue
 158                         fi
 159                         ;;
 160                 esac
 161                 case "$CPPFLAGS" in
 162                 *$cf_add_cflags) #(vi
 163                         ;;
 164                 *) #(vi
 165                         case $cf_add_cflags in #(vi
 166                         -D*)
 167                                 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
 168                                 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
 169                                 ;;
 170                         esac
 171                         cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
 172                         ;;
 173                 esac
 174                 ;;
 175         *)
 176                 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
 177                 ;;
 178         esac
 179         ;;
 180 yes)
 181         cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
 182
 183         cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 184
 185         test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
 186                 && test -z "${cf_tst_cflags}" \
 187                 && cf_fix_cppflags=no
 188         ;;
 189 esac
 190 done
 191
 192 if test -n "$cf_new_cflags" ; then
 193         ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
 194         CFLAGS="$CFLAGS $cf_new_cflags"
 195 fi
 196
 197 if test -n "$cf_new_cppflags" ; then
 198         ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
 199         CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
 200 fi
 201
 202 if test -n "$cf_new_extra_cppflags" ; then
 203         ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
 204         EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
 205 fi
 206
 207 AC_SUBST(EXTRA_CPPFLAGS)
 208
 209 ])dnl
 210 dnl ---------------------------------------------------------------------------
 211 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
 212 dnl -------------
 213 dnl Add an include-directory to $CPPFLAGS.  Don't add /usr/include, since it's
 214 dnl redundant.  We don't normally need to add -I/usr/local/include for gcc,
 215 dnl but old versions (and some misinstalled ones) need that.  To make things
 216 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
 217 dnl the include-path).
 218 AC_DEFUN([CF_ADD_INCDIR],
 219 [
 220 if test -n "$1" ; then
 221   for cf_add_incdir in $1
 222   do
 223         while test $cf_add_incdir != /usr/include
 224         do
 225           if test -d $cf_add_incdir
 226           then
 227                 cf_have_incdir=no
 228                 if test -n "$CFLAGS$CPPFLAGS" ; then
 229                   # a loop is needed to ensure we can add subdirs of existing dirs
 230                   for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
 231                         if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
 232                           cf_have_incdir=yes; break
 233                         fi
 234                   done
 235                 fi
 236
 237                 if test "$cf_have_incdir" = no ; then
 238                   if test "$cf_add_incdir" = /usr/local/include ; then
 239                         if test "$GCC" = yes
 240                         then
 241                           cf_save_CPPFLAGS=$CPPFLAGS
 242                           CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
 243                           AC_TRY_COMPILE([#include <stdio.h>],
 244                                   [printf("Hello")],
 245                                   [],
 246                                   [cf_have_incdir=yes])
 247                           CPPFLAGS=$cf_save_CPPFLAGS
 248                         fi
 249                   fi
 250                 fi
 251
 252                 if test "$cf_have_incdir" = no ; then
 253                   CF_VERBOSE(adding $cf_add_incdir to include-path)
 254                   ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
 255
 256                   cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
 257                   test "$cf_top_incdir" = "$cf_add_incdir" && break
 258                   cf_add_incdir="$cf_top_incdir"
 259                 else
 260                   break
 261                 fi
 262           fi
 263         done
 264   done
 265 fi
 266 ])dnl
 267 dnl ---------------------------------------------------------------------------
 268 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
 269 dnl ----------
 270 dnl Add a library, used to enforce consistency.
 271 dnl
 272 dnl $1 = library to add, without the "-l"
 273 dnl $2 = variable to update (default $LIBS)
 274 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
 275 dnl ---------------------------------------------------------------------------
 276 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
 277 dnl -------------
 278 dnl     Adds to the library-path
 279 dnl
 280 dnl     Some machines have trouble with multiple -L options.
 281 dnl
 282 dnl $1 is the (list of) directory(s) to add
 283 dnl $2 is the optional name of the variable to update (default LDFLAGS)
 284 dnl
 285 AC_DEFUN([CF_ADD_LIBDIR],
 286 [
 287 if test -n "$1" ; then
 288   for cf_add_libdir in $1
 289   do
 290     if test $cf_add_libdir = /usr/lib ; then
 291       :
 292     elif test -d $cf_add_libdir
 293     then
 294       cf_have_libdir=no
 295       if test -n "$LDFLAGS$LIBS" ; then
 296         # a loop is needed to ensure we can add subdirs of existing dirs
 297         for cf_test_libdir in $LDFLAGS $LIBS ; do
 298           if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
 299             cf_have_libdir=yes; break
 300           fi
 301         done
 302       fi
 303       if test "$cf_have_libdir" = no ; then
 304         CF_VERBOSE(adding $cf_add_libdir to library-path)
 305         ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
 306       fi
 307     fi
 308   done
 309 fi
 310 ])dnl
 311 dnl ---------------------------------------------------------------------------
 312 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
 313 dnl -----------
 314 dnl Add one or more libraries, used to enforce consistency.  Libraries are
 315 dnl prepended to an existing list, since their dependencies are assumed to
 316 dnl already exist in the list.
 317 dnl
 318 dnl $1 = libraries to add, with the "-l", etc.
 319 dnl $2 = variable to update (default $LIBS)
 320 AC_DEFUN([CF_ADD_LIBS],[
 321 cf_add_libs="$1"
 322 # Filter out duplicates - this happens with badly-designed ".pc" files...
 323 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
 324 do
 325         for cf_add_2lib in $cf_add_libs
 326         do
 327                 if test "x$cf_add_1lib" = "x$cf_add_2lib"
 328                 then
 329                         cf_add_1lib=
 330                         break
 331                 fi
 332         done
 333         test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
 334 done
 335 ifelse($2,,LIBS,[$2])="$cf_add_libs"
 336 ])dnl
 337 dnl ---------------------------------------------------------------------------
 338 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 339 dnl ------------------
 340 dnl Append to a search-list for a nonstandard header/lib-file
 341 dnl     $1 = the variable to return as result
 342 dnl     $2 = the package name
 343 dnl     $3 = the subdirectory, e.g., bin, include or lib
 344 dnl $4 = the directory under which we will test for subdirectories
 345 dnl $5 = a directory that we do not want $4 to match
 346 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 347 [
 348 test "x$4" != "x$5" && \
 349 test -d "$4" && \
 350 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 351         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 352         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 353         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 354         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 355         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 356         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 357 }
 358 ])dnl
 359 dnl ---------------------------------------------------------------------------
 360 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 361 dnl --------------
 362 dnl Allow user to disable a normally-on option.
 363 AC_DEFUN([CF_ARG_DISABLE],
 364 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 365 dnl ---------------------------------------------------------------------------
 366 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 367 dnl -------------
 368 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 369 dnl values.
 370 dnl
 371 dnl Parameters:
 372 dnl $1 = option name
 373 dnl $2 = help-string
 374 dnl $3 = action to perform if option is not default
 375 dnl $4 = action if perform if option is default
 376 dnl $5 = default option value (either 'yes' or 'no')
 377 AC_DEFUN([CF_ARG_OPTION],
 378 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 379   if test "$enableval" != "$5" ; then
 380 ifelse([$3],,[    :]dnl
 381 ,[    $3]) ifelse([$4],,,[
 382   else
 383     $4])
 384   fi],[enableval=$5 ifelse([$4],,,[
 385   $4
 386 ])dnl
 387   ])])dnl
 388 dnl ---------------------------------------------------------------------------
 389 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 390 dnl -----------
 391 dnl Check for suitable "ar" (archiver) options for updating an archive.
 392 AC_DEFUN([CF_AR_FLAGS],[
 393 AC_REQUIRE([CF_PROG_AR])
 394
 395 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 396         cf_cv_ar_flags=unknown
 397         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 398         do
 399
 400                 # check if $ARFLAGS already contains this choice
 401                 if test "x$ARFLAGS" != "x" ; then
 402                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 403                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 404                                 cf_cv_ar_flags=
 405                                 break
 406                         fi
 407                 fi
 408
 409                 rm -f conftest.$ac_cv_objext
 410                 rm -f conftest.a
 411
 412                 cat >conftest.$ac_ext <<EOF
 413 #line __oline__ "configure"
 414 int     testdata[[3]] = { 123, 456, 789 };
 415 EOF
 416                 if AC_TRY_EVAL(ac_compile) ; then
 417                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 418                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 419                         if test -f conftest.a ; then
 420                                 cf_cv_ar_flags=$cf_ar_flags
 421                                 break
 422                         fi
 423                 else
 424                         CF_VERBOSE(cannot compile test-program)
 425                         break
 426                 fi
 427         done
 428         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 429 ])
 430
 431 if test -n "$ARFLAGS" ; then
 432         if test -n "$cf_cv_ar_flags" ; then
 433                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 434         fi
 435 else
 436         ARFLAGS=$cf_cv_ar_flags
 437 fi
 438
 439 AC_SUBST(ARFLAGS)
 440 ])
 441 dnl ---------------------------------------------------------------------------
 442 dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
 443 dnl -----------------
 444 dnl Check if awk can handle big strings using printf.  Some older versions of
 445 dnl awk choke on large strings passed via "%s".
 446 dnl
 447 dnl $1 = desired string size
 448 dnl $2 = variable to set with result
 449 AC_DEFUN([CF_AWK_BIG_PRINTF],
 450 [
 451         case x$AWK in #(vi
 452         x)
 453                 eval $2=no
 454                 ;;
 455         *) #(vi
 456                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 457                         | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
 458                         eval $2=yes
 459                 else
 460                         eval $2=no
 461                 fi
 462                 ;;
 463         esac
 464 ])dnl
 465 dnl ---------------------------------------------------------------------------
 466 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 467 dnl ------------
 468 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 469 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 470 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 471 dnl
 472 dnl Treat the configuration-variable specially here, since we're directly
 473 dnl substituting its value (i.e., 1/0).
 474 dnl
 475 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 476 AC_DEFUN([CF_BOOL_DECL],
 477 [
 478 AC_MSG_CHECKING(if we should include stdbool.h)
 479
 480 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 481         AC_TRY_COMPILE([],[bool foo = false],
 482                 [cf_cv_header_stdbool_h=0],
 483                 [AC_TRY_COMPILE([
 484 #ifndef __BEOS__
 485 #include <stdbool.h>
 486 #endif
 487 ],[bool foo = false],
 488                         [cf_cv_header_stdbool_h=1],
 489                         [cf_cv_header_stdbool_h=0])])])
 490
 491 if test "$cf_cv_header_stdbool_h" = 1
 492 then    AC_MSG_RESULT(yes)
 493 else    AC_MSG_RESULT(no)
 494 fi
 495
 496 AC_MSG_CHECKING([for builtin bool type])
 497
 498 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 499         AC_TRY_COMPILE([
 500 #include <stdio.h>
 501 #include <sys/types.h>
 502 ],[bool x = false],
 503                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 504                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 505         ])
 506
 507 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 508 then    AC_MSG_RESULT(yes)
 509 else    AC_MSG_RESULT(no)
 510 fi
 511 ])dnl
 512 dnl ---------------------------------------------------------------------------
 513 dnl CF_BOOL_SIZE version: 13 updated: 2013/04/13 18:03:21
 514 dnl ------------
 515 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 516 dnl Don't bother looking for bool.h, since it's been deprecated.
 517 dnl
 518 dnl If the current compiler is C rather than C++, we get the bool definition
 519 dnl from <stdbool.h>.
 520 AC_DEFUN([CF_BOOL_SIZE],
 521 [
 522 AC_MSG_CHECKING([for size of bool])
 523 AC_CACHE_VAL(cf_cv_type_of_bool,[
 524         rm -f cf_test.out
 525         AC_TRY_RUN([
 526 #include <stdlib.h>
 527 #include <stdio.h>
 528
 529 #if defined(__cplusplus)
 530
 531 #ifdef HAVE_GXX_BUILTIN_H
 532 #include <g++/builtin.h>
 533 #elif HAVE_GPP_BUILTIN_H
 534 #include <gpp/builtin.h>
 535 #elif HAVE_BUILTIN_H
 536 #include <builtin.h>
 537 #endif
 538
 539 #else
 540
 541 #if $cf_cv_header_stdbool_h
 542 #include <stdbool.h>
 543 #endif
 544
 545 #endif
 546
 547 int main()
 548 {
 549         FILE *fp = fopen("cf_test.out", "w");
 550         if (fp != 0) {
 551                 bool x = true;
 552                 if ((bool)(-x) >= 0)
 553                         fputs("unsigned ", fp);
 554                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 555                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 556                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 557                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 558                 fclose(fp);
 559         }
 560         ${cf_cv_main_return:-return}(0);
 561 }
 562                 ],
 563                 [cf_cv_type_of_bool=`cat cf_test.out`
 564                  if test -z "$cf_cv_type_of_bool"; then
 565                    cf_cv_type_of_bool=unknown
 566                  fi],
 567                 [cf_cv_type_of_bool=unknown],
 568                 [cf_cv_type_of_bool=unknown])
 569         ])
 570         rm -f cf_test.out
 571 AC_MSG_RESULT($cf_cv_type_of_bool)
 572 if test "$cf_cv_type_of_bool" = unknown ; then
 573         case .$NCURSES_BOOL in #(vi
 574         .auto|.) NCURSES_BOOL=unsigned;;
 575         esac
 576         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 577         cf_cv_type_of_bool=$NCURSES_BOOL
 578 fi
 579 ])dnl
 580 dnl ---------------------------------------------------------------------------
 581 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 582 dnl -----------
 583 dnl If we're cross-compiling, allow the user to override the tools and their
 584 dnl options.  The configure script is oriented toward identifying the host
 585 dnl compiler, etc., but we need a build compiler to generate parts of the
 586 dnl source.
 587 dnl
 588 dnl $1 = default for $CPPFLAGS
 589 dnl $2 = default for $LIBS
 590 AC_DEFUN([CF_BUILD_CC],[
 591 CF_ACVERSION_CHECK(2.52,,
 592         [AC_REQUIRE([CF_PROG_EXT])])
 593 if test "$cross_compiling" = yes ; then
 594
 595         # defaults that we might want to override
 596         : ${BUILD_CFLAGS:=''}
 597         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 598         : ${BUILD_LDFLAGS:=''}
 599         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 600         : ${BUILD_EXEEXT:='$x'}
 601         : ${BUILD_OBJEXT:='o'}
 602
 603         AC_ARG_WITH(build-cc,
 604                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 605                 [BUILD_CC="$withval"],
 606                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 607         AC_MSG_CHECKING(for native build C compiler)
 608         AC_MSG_RESULT($BUILD_CC)
 609
 610         AC_MSG_CHECKING(for native build C preprocessor)
 611         AC_ARG_WITH(build-cpp,
 612                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 613                 [BUILD_CPP="$withval"],
 614                 [BUILD_CPP='${BUILD_CC} -E'])
 615         AC_MSG_RESULT($BUILD_CPP)
 616
 617         AC_MSG_CHECKING(for native build C flags)
 618         AC_ARG_WITH(build-cflags,
 619                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 620                 [BUILD_CFLAGS="$withval"])
 621         AC_MSG_RESULT($BUILD_CFLAGS)
 622
 623         AC_MSG_CHECKING(for native build C preprocessor-flags)
 624         AC_ARG_WITH(build-cppflags,
 625                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 626                 [BUILD_CPPFLAGS="$withval"])
 627         AC_MSG_RESULT($BUILD_CPPFLAGS)
 628
 629         AC_MSG_CHECKING(for native build linker-flags)
 630         AC_ARG_WITH(build-ldflags,
 631                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 632                 [BUILD_LDFLAGS="$withval"])
 633         AC_MSG_RESULT($BUILD_LDFLAGS)
 634
 635         AC_MSG_CHECKING(for native build linker-libraries)
 636         AC_ARG_WITH(build-libs,
 637                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 638                 [BUILD_LIBS="$withval"])
 639         AC_MSG_RESULT($BUILD_LIBS)
 640
 641         # this assumes we're on Unix.
 642         BUILD_EXEEXT=
 643         BUILD_OBJEXT=o
 644
 645         : ${BUILD_CC:='${CC}'}
 646
 647         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 648                 AC_MSG_ERROR([Cross-build requires two compilers.
 649 Use --with-build-cc to specify the native compiler.])
 650         fi
 651
 652 else
 653         : ${BUILD_CC:='${CC}'}
 654         : ${BUILD_CPP:='${CPP}'}
 655         : ${BUILD_CFLAGS:='${CFLAGS}'}
 656         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 657         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 658         : ${BUILD_LIBS:='${LIBS}'}
 659         : ${BUILD_EXEEXT:='$x'}
 660         : ${BUILD_OBJEXT:='o'}
 661 fi
 662
 663 AC_SUBST(BUILD_CC)
 664 AC_SUBST(BUILD_CPP)
 665 AC_SUBST(BUILD_CFLAGS)
 666 AC_SUBST(BUILD_CPPFLAGS)
 667 AC_SUBST(BUILD_LDFLAGS)
 668 AC_SUBST(BUILD_LIBS)
 669 AC_SUBST(BUILD_EXEEXT)
 670 AC_SUBST(BUILD_OBJEXT)
 671 ])dnl
 672 dnl ---------------------------------------------------------------------------
 673 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
 674 dnl ---------------
 675 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 676 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 677 dnl options, but eliminates a more common category of user confusion.
 678 AC_DEFUN([CF_CC_ENV_FLAGS],
 679 [
 680 # This should have been defined by AC_PROG_CC
 681 : ${CC:=cc}
 682
 683 AC_MSG_CHECKING(\$CC variable)
 684 case "$CC" in #(vi
 685 *[[\ \  ]]-[[IUD]]*)
 686         AC_MSG_RESULT(broken)
 687         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 688         # humor him...
 689         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 690         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 691         CF_ADD_CFLAGS($cf_flags)
 692         ;;
 693 *)
 694         AC_MSG_RESULT(ok)
 695         ;;
 696 esac
 697 ])dnl
 698 dnl ---------------------------------------------------------------------------
 699 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
 700 dnl ---------------
 701 dnl Determine the default configuration into which we'll install ncurses.  This
 702 dnl can be overridden by the user's command-line options.  There's two items to
 703 dnl look for:
 704 dnl     1. the prefix (e.g., /usr)
 705 dnl     2. the header files (e.g., /usr/include/ncurses)
 706 dnl We'll look for a previous installation of ncurses and use the same defaults.
 707 dnl
 708 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 709 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 710 dnl programs from a vendor's.
 711 AC_DEFUN([CF_CFG_DEFAULTS],
 712 [
 713 AC_MSG_CHECKING(for prefix)
 714 if test "x$prefix" = "xNONE" ; then
 715         case "$cf_cv_system_name" in
 716                 # non-vendor systems don't have a conflict
 717         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 718                 prefix=/usr
 719                 ;;
 720         *)      prefix=$ac_default_prefix
 721                 ;;
 722         esac
 723 fi
 724 AC_MSG_RESULT($prefix)
 725
 726 if test "x$prefix" = "xNONE" ; then
 727 AC_MSG_CHECKING(for default include-directory)
 728 test -n "$verbose" && echo 1>&AC_FD_MSG
 729 for cf_symbol in \
 730         $includedir \
 731         $includedir/ncurses \
 732         $prefix/include \
 733         $prefix/include/ncurses \
 734         /usr/local/include \
 735         /usr/local/include/ncurses \
 736         /usr/include \
 737         /usr/include/ncurses
 738 do
 739         cf_dir=`eval echo $cf_symbol`
 740         if test -f $cf_dir/curses.h ; then
 741         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 742                 includedir="$cf_symbol"
 743                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 744                 break
 745         fi
 746         fi
 747         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 748 done
 749 AC_MSG_RESULT($includedir)
 750 fi
 751 ])dnl
 752 dnl ---------------------------------------------------------------------------
 753 dnl CF_CGETENT version: 5 updated: 2012/10/06 17:56:13
 754 dnl ----------
 755 dnl Check if the terminal-capability database functions are available.  If not,
 756 dnl ncurses has a much-reduced version.
 757 AC_DEFUN([CF_CGETENT],[
 758 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 759 AC_TRY_LINK([
 760 #include <stdlib.h>],[
 761         char temp[128];
 762         char *buf = temp;
 763         char *db_array = temp;
 764         cgetent(&buf, &db_array, "vt100");
 765         cgetcap(buf, "tc", '=');
 766         cgetmatch(buf, "tc");
 767         ],
 768         [cf_cv_cgetent=yes],
 769         [cf_cv_cgetent=no])
 770 ])
 771
 772 if test "$cf_cv_cgetent" = yes
 773 then
 774         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
 775 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 776 AC_TRY_LINK([
 777 #include <stdlib.h>],[
 778         char temp[128];
 779         char *buf = temp;
 780 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 781         const char *db_array = temp;
 782         cgetent(&buf, &db_array, "vt100");
 783 #endif
 784         cgetcap(buf, "tc", '=');
 785         cgetmatch(buf, "tc");
 786         ],
 787         [cf_cv_cgetent_const=yes],
 788         [cf_cv_cgetent_const=no])
 789 ])
 790         if test "$cf_cv_cgetent_const" = yes
 791         then
 792                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
 793         fi
 794 fi
 795 ])dnl
 796 dnl ---------------------------------------------------------------------------
 797 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 798 dnl --------------
 799 dnl Check if we're accidentally using a cache from a different machine.
 800 dnl Derive the system name, as a check for reusing the autoconf cache.
 801 dnl
 802 dnl If we've packaged config.guess and config.sub, run that (since it does a
 803 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 804 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 805 dnl which is useful in cross-compiles.
 806 dnl
 807 dnl Note: we would use $ac_config_sub, but that is one of the places where
 808 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 809 AC_DEFUN([CF_CHECK_CACHE],
 810 [
 811 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 812         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 813         system_name="$host_os"
 814 else
 815         system_name="`(uname -s -r) 2>/dev/null`"
 816         if test -z "$system_name" ; then
 817                 system_name="`(hostname) 2>/dev/null`"
 818         fi
 819 fi
 820 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 821 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 822
 823 test -z "$system_name" && system_name="$cf_cv_system_name"
 824 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 825
 826 if test ".$system_name" != ".$cf_cv_system_name" ; then
 827         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 828         AC_MSG_ERROR("Please remove config.cache and try again.")
 829 fi
 830 ])dnl
 831 dnl ---------------------------------------------------------------------------
 832 dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
 833 dnl --------------
 834 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 835 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
 836 dnl ourselves.
 837 dnl
 838 dnl $1 = the name to check
 839 dnl $2 = the assumed type
 840 AC_DEFUN([CF_CHECK_ERRNO],
 841 [
 842 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 843     AC_TRY_COMPILE([
 844 #ifdef HAVE_STDLIB_H
 845 #include <stdlib.h>
 846 #endif
 847 #include <stdio.h>
 848 #include <sys/types.h>
 849 #include <errno.h> ],
 850     ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
 851     [cf_cv_dcl_$1=yes],
 852     [cf_cv_dcl_$1=no])
 853 ])
 854
 855 if test "$cf_cv_dcl_$1" = no ; then
 856     CF_UPPER(cf_result,decl_$1)
 857     AC_DEFINE_UNQUOTED($cf_result)
 858 fi
 859
 860 # It's possible (for near-UNIX clones) that the data doesn't exist
 861 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 862 ])dnl
 863 dnl ---------------------------------------------------------------------------
 864 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
 865 dnl --------------------
 866 dnl Check for existence of external data in the current set of libraries.  If
 867 dnl we can modify it, it's real enough.
 868 dnl $1 = the name to check
 869 dnl $2 = its type
 870 AC_DEFUN([CF_CHECK_EXTERN_DATA],
 871 [
 872 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
 873     AC_TRY_LINK([
 874 #undef $1
 875 extern $2 $1;
 876 ],
 877     [$1 = 2],
 878     [cf_cv_have_$1=yes],
 879     [cf_cv_have_$1=no])
 880 ])
 881
 882 if test "$cf_cv_have_$1" = yes ; then
 883     CF_UPPER(cf_result,have_$1)
 884     AC_DEFINE_UNQUOTED($cf_result)
 885 fi
 886
 887 ])dnl
 888 dnl ---------------------------------------------------------------------------
 889 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 890 dnl -------------------
 891 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 892 dnl is not "weak" - warn about this because it can create problems linking
 893 dnl applications with ncurses.
 894 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
 895 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
 896
 897 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
 898 cf_cv_check_gpm_wgetch=unknown
 899 if test "$cross_compiling" != yes ; then
 900
 901 cat >conftest.$ac_ext <<CF_EOF
 902 #include <gpm.h>
 903 int main()
 904 {
 905         Gpm_Wgetch();
 906         ${cf_cv_main_return:-return}(0);
 907 }
 908 CF_EOF
 909
 910         cf_save_LIBS="$LIBS"
 911         # This only works if we can look at the symbol table.  If a shared
 912         # library is stripped for install, we cannot use that.  So we're forced
 913         # to rely on the static library, noting that some packagers may not
 914         # include it.
 915         LIBS="-static -lgpm -dynamic $LIBS"
 916         if AC_TRY_EVAL(ac_compile) ; then
 917                 if AC_TRY_EVAL(ac_link) ; then
 918                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
 919                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
 920                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
 921                 fi
 922         fi
 923         rm -rf conftest*
 924         LIBS="$cf_save_LIBS"
 925 fi
 926 ])
 927
 928 if test "$cf_cv_check_gpm_wgetch" != yes ; then
 929         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
 930 fi
 931 ])])dnl
 932 dnl ---------------------------------------------------------------------------
 933 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
 934 dnl ------------------------
 935 dnl Show the version of libtool
 936 dnl
 937 dnl Save the version in a cache variable - this is not entirely a good thing,
 938 dnl but the version string from libtool is very ugly, and for bug reports it
 939 dnl might be useful to have the original string.
 940 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
 941 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
 942 then
 943         AC_MSG_CHECKING(version of $LIBTOOL)
 944         CF_LIBTOOL_VERSION
 945         AC_MSG_RESULT($cf_cv_libtool_version)
 946         if test -z "$cf_cv_libtool_version" ; then
 947                 AC_MSG_ERROR(This is not GNU libtool)
 948         fi
 949 else
 950         AC_MSG_ERROR(GNU libtool has not been found)
 951 fi
 952 ])dnl
 953 dnl ---------------------------------------------------------------------------
 954 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 955 dnl ----------------
 956 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
 957 AC_DEFUN([CF_CHECK_WCHAR_H],[
 958 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
 959 AC_TRY_COMPILE(
 960 [
 961 #include <stdlib.h>
 962 #include <wchar.h>
 963 ],[
 964         wint_t foo = 0;
 965         int bar = iswpunct(foo)],
 966         [cf_cv_wchar_h_okay=yes],
 967         [cf_cv_wchar_h_okay=no])])
 968
 969 if test $cf_cv_wchar_h_okay = no
 970 then
 971         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
 972 fi
 973 ])dnl
 974 dnl ---------------------------------------------------------------------------
 975 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 976 dnl -----------------
 977 dnl Check if the given compiler is really clang.  clang's C driver defines
 978 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 979 dnl not ignore some gcc options.
 980 dnl
 981 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 982 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 983 dnl the wrappers for gcc and g++ warnings.
 984 dnl
 985 dnl $1 = GCC (default) or GXX
 986 dnl $2 = CLANG_COMPILER (default)
 987 dnl $3 = CFLAGS (default) or CXXFLAGS
 988 AC_DEFUN([CF_CLANG_COMPILER],[
 989 ifelse([$2],,CLANG_COMPILER,[$2])=no
 990
 991 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 992         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 993         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 994         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 995         AC_TRY_COMPILE([],[
 996 #ifdef __clang__
 997 #else
 998 make an error
 999 #endif
1000 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1001 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
1002 ],[])
1003         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1004         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1005 fi
1006 ])
1007 dnl ---------------------------------------------------------------------------
1008 dnl CF_CPP_PARAM_INIT version: 6 updated: 2012/10/06 17:56:13
1009 dnl -----------------
1010 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
1011 dnl is a late feature for the standard and is not in some recent compilers
1012 dnl (1999/9/11).
1013 AC_DEFUN([CF_CPP_PARAM_INIT],
1014 [
1015 if test -n "$CXX"; then
1016 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1017         AC_LANG_SAVE
1018         AC_LANG_CPLUSPLUS
1019         AC_TRY_RUN([
1020 class TEST {
1021 private:
1022         int value;
1023 public:
1024         TEST(int x = 1);
1025         ~TEST();
1026 };
1027
1028 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1029 {
1030         value = x;
1031 }
1032 int main() { }
1033 ],
1034         [cf_cv_cpp_param_init=yes],
1035         [cf_cv_cpp_param_init=no],
1036         [cf_cv_cpp_param_init=unknown])
1037         AC_LANG_RESTORE
1038 ])
1039 fi
1040 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1041 ])dnl
1042 dnl ---------------------------------------------------------------------------
1043 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1044 dnl ------------------
1045 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1046 dnl not be supported in g++ before 3.0
1047 AC_DEFUN([CF_CPP_STATIC_CAST],
1048 [
1049 if test -n "$CXX"; then
1050
1051 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1052         AC_LANG_SAVE
1053         AC_LANG_CPLUSPLUS
1054
1055         AC_TRY_COMPILE([
1056 class NCursesPanel
1057 {
1058 public:
1059   NCursesPanel(int nlines,
1060                int ncols,
1061                int begin_y = 0,
1062                int begin_x = 0)
1063   {
1064   }
1065   NCursesPanel();
1066   ~NCursesPanel();
1067 };
1068
1069 template<class T> class NCursesUserPanel : public NCursesPanel
1070 {
1071 public:
1072   NCursesUserPanel (int nlines,
1073                     int ncols,
1074                     int begin_y = 0,
1075                     int begin_x = 0,
1076                     const T* p_UserData = static_cast<T*>(0))
1077     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1078   {
1079   };
1080   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1081   {
1082   };
1083
1084   virtual ~NCursesUserPanel() {};
1085 };
1086 ],[
1087         const char* p_UserData = static_cast<char*>(0)],
1088         [cf_cv_cpp_static_cast=yes],
1089         [cf_cv_cpp_static_cast=no])
1090
1091         AC_LANG_RESTORE
1092 ])
1093
1094 fi
1095
1096 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1097 ])dnl
1098 dnl ---------------------------------------------------------------------------
1099 dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
1100 dnl ---------------
1101 dnl Setup special archiver flags for given compilers.
1102 AC_DEFUN([CF_CXX_AR_FLAGS],[
1103         CXX_AR='$(AR)'
1104         CXX_ARFLAGS='$(ARFLAGS)'
1105         case $cf_cv_system_name in #(vi
1106         irix*) #(vi
1107             if test "$GXX" != yes ; then
1108                 CXX_AR='$(CXX)'
1109                 CXX_ARFLAGS='-ar -o'
1110             fi
1111             ;;
1112         sco3.2v5*) #(vi
1113             CXXLDFLAGS="-u main"
1114             ;;
1115         solaris2*)
1116             if test "$GXX" != yes ; then
1117                 CXX_AR='$(CXX)'
1118                 CXX_ARFLAGS='-xar -o'
1119             fi
1120             ;;
1121         esac
1122         AC_SUBST(CXXLDFLAGS)
1123         AC_SUBST(CXX_AR)
1124         AC_SUBST(CXX_ARFLAGS)
1125 ])dnl
1126 dnl ---------------------------------------------------------------------------
1127 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1128 dnl -------------------------
1129 dnl For c++, check if iostream uses "std::" namespace.
1130 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1131 AC_CHECK_HEADERS(iostream)
1132 if test x"$ac_cv_header_iostream" = xyes ; then
1133         AC_MSG_CHECKING(if iostream uses std-namespace)
1134         AC_TRY_COMPILE([
1135 #include <iostream>
1136 using std::endl;
1137 using std::cerr;],[
1138 cerr << "testing" << endl;
1139 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1140         AC_MSG_RESULT($cf_iostream_namespace)
1141         if test "$cf_iostream_namespace" = yes ; then
1142                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1143         fi
1144 fi
1145 ])dnl
1146 dnl ---------------------------------------------------------------------------
1147 dnl CF_C_INLINE version: 4 updated: 2012/06/16 14:55:39
1148 dnl -----------
1149 dnl Check if the C compiler supports "inline".
1150 dnl $1 is the name of a shell variable to set if inline is supported
1151 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1152 AC_DEFUN([CF_C_INLINE],[
1153 AC_C_INLINE
1154 $1=
1155 if test "$ac_cv_c_inline" != no ; then
1156   $1=inline
1157   if test "$INTEL_COMPILER" = yes
1158   then
1159     :
1160   elif test "$CLANG_COMPILER" = yes
1161   then
1162     :
1163   elif test "$GCC" = yes
1164   then
1165     AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1166       cf_save_CFLAGS=$CFLAGS
1167       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1168       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1169       [${cf_cv_main_return:-return} foo()],
1170       [cf_cv_gcc_inline=yes],
1171       [cf_cv_gcc_inline=no])
1172       CFLAGS=$cf_save_CFLAGS
1173     ])
1174     if test "$cf_cv_gcc_inline" = yes ; then
1175         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1176     fi
1177   fi
1178 fi
1179 AC_SUBST($1)
1180 ])dnl
1181 dnl ---------------------------------------------------------------------------
1182 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1183 dnl ----------
1184 dnl "dirname" is not portable, so we fake it with a shell script.
1185 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1186 dnl ---------------------------------------------------------------------------
1187 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1188 dnl ---------------
1189 AC_DEFUN([CF_DIRS_TO_MAKE],
1190 [
1191 DIRS_TO_MAKE="lib"
1192 for cf_item in $cf_list_models
1193 do
1194         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1195         for cf_item2 in $DIRS_TO_MAKE
1196         do
1197                 test $cf_item2 = $cf_subdir && break
1198         done
1199         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1200 done
1201 for cf_dir in $DIRS_TO_MAKE
1202 do
1203         test ! -d $cf_dir && mkdir $cf_dir
1204 done
1205 AC_SUBST(DIRS_TO_MAKE)
1206 ])dnl
1207 dnl ---------------------------------------------------------------------------
1208 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
1209 dnl ---------------
1210 dnl You can always use "make -n" to see the actual options, but it's hard to
1211 dnl pick out/analyze warning messages when the compile-line is long.
1212 dnl
1213 dnl Sets:
1214 dnl     ECHO_LT - symbol to control if libtool is verbose
1215 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1216 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1217 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1218 dnl     ECHO_CC - symbol to put before any "cc" line
1219 dnl
1220 AC_DEFUN([CF_DISABLE_ECHO],[
1221 AC_MSG_CHECKING(if you want to see long compiling messages)
1222 CF_ARG_DISABLE(echo,
1223         [  --disable-echo          do not display "compiling" commands],
1224         [
1225     ECHO_LT='--silent'
1226     ECHO_LD='@echo linking [$]@;'
1227     RULE_CC='@echo compiling [$]<'
1228     SHOW_CC='@echo compiling [$]@'
1229     ECHO_CC='@'
1230 ],[
1231     ECHO_LT=''
1232     ECHO_LD=''
1233     RULE_CC=''
1234     SHOW_CC=''
1235     ECHO_CC=''
1236 ])
1237 AC_MSG_RESULT($enableval)
1238 AC_SUBST(ECHO_LT)
1239 AC_SUBST(ECHO_LD)
1240 AC_SUBST(RULE_CC)
1241 AC_SUBST(SHOW_CC)
1242 AC_SUBST(ECHO_CC)
1243 ])dnl
1244 dnl ---------------------------------------------------------------------------
1245 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1246 dnl ------------------------
1247 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1248 AC_MSG_CHECKING(if we want to use GNAT projects)
1249 CF_ARG_DISABLE(gnat-projects,
1250         [  --disable-gnat-projects test: disable GNAT projects even if usable],
1251         [enable_gnat_projects=no],
1252         [enable_gnat_projects=yes])
1253 AC_MSG_RESULT($enable_gnat_projects)
1254 ])dnl
1255 dnl ---------------------------------------------------------------------------
1256 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1257 dnl ----------------
1258 dnl Combine no-leak checks with the libraries or tools that are used for the
1259 dnl checks.
1260 AC_DEFUN([CF_DISABLE_LEAKS],[
1261
1262 AC_REQUIRE([CF_WITH_DMALLOC])
1263 AC_REQUIRE([CF_WITH_DBMALLOC])
1264 AC_REQUIRE([CF_WITH_VALGRIND])
1265
1266 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1267 AC_ARG_ENABLE(leaks,
1268         [  --disable-leaks         test: free permanent memory, analyze leaks],
1269         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1270         : ${with_no_leaks:=no})
1271 AC_MSG_RESULT($with_no_leaks)
1272
1273 if test "$with_no_leaks" = yes ; then
1274         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1275         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1276 fi
1277 ])dnl
1278 dnl ---------------------------------------------------------------------------
1279 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1280 dnl --------------------------
1281 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1282 dnl the older "-version-info" feature.  The newer feature allows us to use
1283 dnl version numbering on shared libraries which make them compatible with
1284 dnl various systems.
1285 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1286 [
1287 AC_MSG_CHECKING(if libtool -version-number should be used)
1288 CF_ARG_DISABLE(libtool-version,
1289         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1290         [cf_libtool_version=no],
1291         [cf_libtool_version=yes])
1292 AC_MSG_RESULT($cf_libtool_version)
1293
1294 if test "$cf_libtool_version" = yes ; then
1295         LIBTOOL_VERSION="-version-number"
1296 else
1297         LIBTOOL_VERSION="-version-info"
1298 fi
1299
1300 AC_SUBST(LIBTOOL_VERSION)
1301 ])dnl
1302 dnl ---------------------------------------------------------------------------
1303 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1304 dnl ---------------------
1305 dnl The rpath-hack makes it simpler to build programs, particularly with the
1306 dnl *BSD ports which may have essential libraries in unusual places.  But it
1307 dnl can interfere with building an executable for the base system.  Use this
1308 dnl option in that case.
1309 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1310 [
1311 AC_MSG_CHECKING(if rpath-hack should be disabled)
1312 CF_ARG_DISABLE(rpath-hack,
1313         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1314         [cf_disable_rpath_hack=yes],
1315         [cf_disable_rpath_hack=no])
1316 AC_MSG_RESULT($cf_disable_rpath_hack)
1317 if test "$cf_disable_rpath_hack" = no ; then
1318         CF_RPATH_HACK
1319 fi
1320 ])
1321 dnl ---------------------------------------------------------------------------
1322 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
1323 dnl ------------------
1324 dnl This is the "--enable-pc-files" option, which is available if there is a
1325 dnl pkg-config configuration on the local machine.
1326 AC_DEFUN([CF_ENABLE_PC_FILES],[
1327 AC_REQUIRE([CF_PKG_CONFIG])
1328 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1329
1330 if test "$PKG_CONFIG" != none ; then
1331         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1332         AC_ARG_ENABLE(pc-files,
1333                 [  --enable-pc-files       generate and install .pc files for pkg-config],
1334                 [enable_pc_files=$enableval],
1335                 [enable_pc_files=no])
1336         AC_MSG_RESULT($enable_pc_files)
1337         if test "$enable_pc_files" != no
1338         then
1339                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1340         fi
1341 else
1342         enable_pc_files=no
1343 fi
1344 ])dnl
1345 dnl ---------------------------------------------------------------------------
1346 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1347 dnl ---------------
1348 dnl Check if the rpath option should be used, setting cache variable
1349 dnl cf_cv_enable_rpath if so.
1350 AC_DEFUN([CF_ENABLE_RPATH],
1351 [
1352 AC_MSG_CHECKING(if rpath option should be used)
1353 AC_ARG_ENABLE(rpath,
1354 [  --enable-rpath          use rpath option when generating shared libraries],
1355 [cf_cv_enable_rpath=$enableval],
1356 [cf_cv_enable_rpath=no])
1357 AC_MSG_RESULT($cf_cv_enable_rpath)
1358 ])dnl
1359 dnl ---------------------------------------------------------------------------
1360 dnl CF_ENABLE_STRING_HACKS version: 3 updated: 2013/01/26 16:26:12
1361 dnl ----------------------
1362 dnl On a few platforms, the compiler and/or loader nags with untruthful
1363 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1364 dnl and implying that most uses of the recommended alternatives are correct.
1365 dnl
1366 dnl Factually speaking, no one has actually counted the number of uses of these
1367 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1368 dnl instances are meaningless compared to the hundreds of millions of lines of
1369 dnl existing C code.
1370 dnl
1371 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1372 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1373 dnl standard - but evolved through phases, and older implementations are likely
1374 dnl to yield surprising results, as documented in manpages on various systems.
1375 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1376 [
1377 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1378 AC_ARG_ENABLE(string-hacks,
1379         [  --enable-string-hacks   work around bogus compiler/loader warnings],
1380         [with_string_hacks=$enableval],
1381         [with_string_hacks=no])
1382 AC_MSG_RESULT($with_string_hacks)
1383
1384 if test "x$with_string_hacks" = "xyes"; then
1385         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1386         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1387         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1388 fi
1389 ])dnl
1390 dnl ---------------------------------------------------------------------------
1391 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1392 dnl --------
1393 dnl Check if 'errno' is declared in <errno.h>
1394 AC_DEFUN([CF_ERRNO],
1395 [
1396 CF_CHECK_ERRNO(errno)
1397 ])dnl
1398 dnl ---------------------------------------------------------------------------
1399 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1400 dnl ---------------
1401 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1402 dnl math.h and builtin.h, only for ncurses
1403 AC_DEFUN([CF_ETIP_DEFINES],
1404 [
1405 AC_MSG_CHECKING(for special defines needed for etip.h)
1406 cf_save_CXXFLAGS="$CXXFLAGS"
1407 cf_result="none"
1408
1409 # etip.h includes ncurses.h which includes ncurses_dll.h
1410 # But ncurses_dll.h is generated - fix here.
1411 test -d include || mkdir include
1412 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1413
1414 for cf_math in "" MATH_H
1415 do
1416 for cf_excp in "" MATH_EXCEPTION
1417 do
1418         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1419         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1420         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1421 AC_TRY_COMPILE([
1422 #include <etip.h.in>
1423 ],[],[
1424         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1425         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1426         cf_result="$cf_math $cf_excp"
1427         break 2
1428 ],[])
1429 done
1430 done
1431 AC_MSG_RESULT($cf_result)
1432 CXXFLAGS="$cf_save_CXXFLAGS"
1433 ])
1434 dnl ---------------------------------------------------------------------------
1435 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1436 dnl ---------------
1437 dnl Find a library (specifically the linkage used in the code fragment),
1438 dnl searching for it if it is not already in the library path.
1439 dnl See also CF_ADD_SEARCHPATH.
1440 dnl
1441 dnl Parameters (4-on are optional):
1442 dnl     $1 = headers for library entrypoint
1443 dnl     $2 = code fragment for library entrypoint
1444 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1445 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1446 dnl     $5 = action to perform if not successful
1447 dnl     $6 = module name, if not the same as the library name
1448 dnl     $7 = extra libraries
1449 dnl
1450 dnl Sets these variables:
1451 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1452 dnl     $cf_cv_header_path_$3 - include-directory if needed
1453 dnl     $cf_cv_library_path_$3 - library-directory if needed
1454 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1455 AC_DEFUN([CF_FIND_LINKAGE],[
1456
1457 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1458 # will be set on completion of the AC_TRY_LINK below.
1459 cf_cv_header_path_$3=
1460 cf_cv_library_path_$3=
1461
1462 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1463
1464 cf_save_LIBS="$LIBS"
1465
1466 AC_TRY_LINK([$1],[$2],[
1467         cf_cv_find_linkage_$3=yes
1468         cf_cv_header_path_$3=/usr/include
1469         cf_cv_library_path_$3=/usr/lib
1470 ],[
1471
1472 LIBS="-l$3 $7 $cf_save_LIBS"
1473
1474 AC_TRY_LINK([$1],[$2],[
1475         cf_cv_find_linkage_$3=yes
1476         cf_cv_header_path_$3=/usr/include
1477         cf_cv_library_path_$3=/usr/lib
1478         cf_cv_library_file_$3="-l$3"
1479 ],[
1480         cf_cv_find_linkage_$3=no
1481         LIBS="$cf_save_LIBS"
1482
1483     CF_VERBOSE(find linkage for $3 library)
1484     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1485
1486     cf_save_CPPFLAGS="$CPPFLAGS"
1487     cf_test_CPPFLAGS="$CPPFLAGS"
1488
1489     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1490     for cf_cv_header_path_$3 in $cf_search
1491     do
1492       if test -d $cf_cv_header_path_$3 ; then
1493         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1494         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1495         AC_TRY_COMPILE([$1],[$2],[
1496             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1497             cf_cv_find_linkage_$3=maybe
1498             cf_test_CPPFLAGS="$CPPFLAGS"
1499             break],[
1500             CPPFLAGS="$cf_save_CPPFLAGS"
1501             ])
1502       fi
1503     done
1504
1505     if test "$cf_cv_find_linkage_$3" = maybe ; then
1506
1507       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1508
1509       cf_save_LIBS="$LIBS"
1510       cf_save_LDFLAGS="$LDFLAGS"
1511
1512       ifelse([$6],,,[
1513         CPPFLAGS="$cf_test_CPPFLAGS"
1514         LIBS="-l$3 $7 $cf_save_LIBS"
1515         AC_TRY_LINK([$1],[$2],[
1516             CF_VERBOSE(... found $3 library in system)
1517             cf_cv_find_linkage_$3=yes])
1518             CPPFLAGS="$cf_save_CPPFLAGS"
1519             LIBS="$cf_save_LIBS"
1520             ])
1521
1522       if test "$cf_cv_find_linkage_$3" != yes ; then
1523         CF_LIBRARY_PATH(cf_search,$3)
1524         for cf_cv_library_path_$3 in $cf_search
1525         do
1526           if test -d $cf_cv_library_path_$3 ; then
1527             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1528             CPPFLAGS="$cf_test_CPPFLAGS"
1529             LIBS="-l$3 $7 $cf_save_LIBS"
1530             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1531             AC_TRY_LINK([$1],[$2],[
1532                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1533                 cf_cv_find_linkage_$3=yes
1534                 cf_cv_library_file_$3="-l$3"
1535                 break],[
1536                 CPPFLAGS="$cf_save_CPPFLAGS"
1537                 LIBS="$cf_save_LIBS"
1538                 LDFLAGS="$cf_save_LDFLAGS"
1539                 ])
1540           fi
1541         done
1542         CPPFLAGS="$cf_save_CPPFLAGS"
1543         LDFLAGS="$cf_save_LDFLAGS"
1544       fi
1545
1546     else
1547       cf_cv_find_linkage_$3=no
1548     fi
1549     ],$7)
1550 ])
1551
1552 LIBS="$cf_save_LIBS"
1553
1554 if test "$cf_cv_find_linkage_$3" = yes ; then
1555 ifelse([$4],,[
1556         CF_ADD_INCDIR($cf_cv_header_path_$3)
1557         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1558         CF_ADD_LIB($3)
1559 ],[$4])
1560 else
1561 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1562 fi
1563 ])dnl
1564 dnl ---------------------------------------------------------------------------
1565 dnl CF_FIND_SUB_INCDIR version: 1 updated: 2014/04/12 16:47:01
1566 dnl ------------------
1567 dnl Find an include-directory with the given leaf-name.  This is useful for
1568 dnl example with FreeBSD ports, which use this convention to distinguish
1569 dnl different versions of the same port.
1570 AC_DEFUN([CF_FIND_SUB_INCDIR],[
1571         CF_SUBDIR_PATH(cf_search,$1,include)
1572         for cf_item in $cf_search
1573         do
1574                 case $cf_item in #(vi
1575                 */$1)
1576                         CF_ADD_INCDIR($cf_item)
1577                         ;;
1578                 esac
1579         done
1580 ])dnl
1581 dnl ---------------------------------------------------------------------------
1582 dnl CF_FIND_SUB_LIBDIR version: 1 updated: 2014/04/12 16:47:01
1583 dnl ------------------
1584 dnl Find a library-directory with the given leaf-name.  This is useful for
1585 dnl example with FreeBSD ports, which use this convention to distinguish
1586 dnl different versions of the same port.
1587 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
1588         CF_SUBDIR_PATH(cf_search,$1,lib)
1589         for cf_item in $cf_search
1590         do
1591                 case $cf_item in #(vi
1592                 */$1)
1593                         CF_ADD_LIBDIR($cf_item)
1594                         ;;
1595                 esac
1596         done
1597 ])dnl
1598 dnl ---------------------------------------------------------------------------
1599 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
1600 dnl -----------------
1601 dnl make ADAFLAGS consistent with CFLAGS
1602 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1603         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1604         case "$CFLAGS" in
1605         *-g*)
1606                 CF_ADD_ADAFLAGS(-g)
1607                 ;;
1608         esac
1609         case "$CFLAGS" in
1610         *-O*)
1611                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1612                 CF_ADD_ADAFLAGS($cf_O_flag)
1613                 ;;
1614         esac
1615         AC_MSG_RESULT($ADAFLAGS)
1616 ])dnl
1617 dnl ---------------------------------------------------------------------------
1618 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
1619 dnl --------------
1620 dnl Forget that we saw the given tool.
1621 AC_DEFUN([CF_FORGET_TOOL],[
1622 unset ac_cv_prog_ac_ct_$1
1623 unset ac_ct_$1
1624 unset $1
1625 ])dnl
1626 dnl ---------------------------------------------------------------------------
1627 dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
1628 dnl -------------
1629 dnl Test for dlsym() and related functions, as well as libdl.
1630 dnl
1631 dnl Sets
1632 dnl     $cf_have_dlsym
1633 dnl     $cf_have_libdl
1634 AC_DEFUN([CF_FUNC_DLSYM],[
1635 cf_have_dlsym=no
1636 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1637
1638 cf_have_libdl=no
1639 AC_CHECK_LIB(dl,dlsym,[
1640         cf_have_dlsym=yes
1641         cf_have_libdl=yes])])
1642
1643 if test "$cf_have_dlsym" = yes ; then
1644         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1645
1646         AC_MSG_CHECKING(whether able to link to dl*() functions)
1647         AC_TRY_LINK([#include <dlfcn.h>],[
1648                 void *obj;
1649                 if ((obj = dlopen("filename", 0)) != 0) {
1650                         if (dlsym(obj, "symbolname") == 0) {
1651                         dlclose(obj);
1652                         }
1653                 }],[
1654                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
1655                 AC_MSG_ERROR(Cannot link test program for libdl)])
1656         AC_MSG_RESULT(ok)
1657 else
1658         AC_MSG_ERROR(Cannot find dlsym function)
1659 fi
1660 ])
1661 dnl ---------------------------------------------------------------------------
1662 dnl CF_FUNC_MEMMOVE version: 8 updated: 2012/10/04 20:12:20
1663 dnl ---------------
1664 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1665 dnl is found, add our own version of memmove to the list of objects.
1666 AC_DEFUN([CF_FUNC_MEMMOVE],
1667 [
1668 AC_CHECK_FUNC(memmove,,[
1669 AC_CHECK_FUNC(bcopy,[
1670         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1671                 AC_TRY_RUN([
1672 int main() {
1673         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1674         char temp[40];
1675         bcopy(data, temp, sizeof(data));
1676         bcopy(temp+10, temp, 15);
1677         bcopy(temp+5, temp+15, 10);
1678         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1679 }
1680                 ],
1681                 [cf_cv_good_bcopy=yes],
1682                 [cf_cv_good_bcopy=no],
1683                 [cf_cv_good_bcopy=unknown])
1684                 ])
1685         ],[cf_cv_good_bcopy=no])
1686         if test "$cf_cv_good_bcopy" = yes ; then
1687                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
1688         else
1689                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
1690         fi
1691 ])])dnl
1692 dnl ---------------------------------------------------------------------------
1693 dnl CF_FUNC_NANOSLEEP version: 4 updated: 2012/10/06 17:56:13
1694 dnl -----------------
1695 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1696 dnl AIX 4.x, provide a non-working version.
1697 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1698 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1699 AC_TRY_RUN([
1700 #include <stdio.h>
1701 #include <errno.h>
1702 #include <time.h>
1703
1704 #ifdef HAVE_SYS_TIME_H
1705 #include <sys/time.h>
1706 #endif
1707
1708 int main() {
1709         struct timespec ts1, ts2;
1710         int code;
1711         ts1.tv_sec  = 0;
1712         ts1.tv_nsec = 750000000;
1713         ts2.tv_sec  = 0;
1714         ts2.tv_nsec = 0;
1715         errno = 0;
1716         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1717         ${cf_cv_main_return:-return}(code != 0);
1718 }
1719 ],
1720         [cf_cv_func_nanosleep=yes],
1721         [cf_cv_func_nanosleep=no],
1722         [cf_cv_func_nanosleep=unknown])])
1723
1724 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
1725 ])
1726 dnl ---------------------------------------------------------------------------
1727 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1728 dnl ---------------
1729 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1730 dnl "util" library as well.
1731 AC_DEFUN([CF_FUNC_OPENPTY],
1732 [
1733 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1734 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1735     cf_save_LIBS="$LIBS"
1736     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1737     for cf_header in pty.h libutil.h util.h
1738     do
1739     AC_TRY_LINK([
1740 #include <$cf_header>
1741 ],[
1742     int x = openpty((int *)0, (int *)0, (char *)0,
1743                    (struct termios *)0, (struct winsize *)0);
1744 ],[
1745         cf_cv_func_openpty=$cf_header
1746         break
1747 ],[
1748         cf_cv_func_openpty=no
1749 ])
1750     done
1751     LIBS="$cf_save_LIBS"
1752 ])
1753 ])dnl
1754 dnl ---------------------------------------------------------------------------
1755 dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
1756 dnl ------------
1757 dnl See if the poll function really works.  Some platforms have poll(), but
1758 dnl it does not work for terminals or files.
1759 AC_DEFUN([CF_FUNC_POLL],[
1760 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1761 AC_TRY_RUN([
1762 #include <stdlib.h>
1763 #include <stdio.h>
1764 #include <unistd.h>
1765 #include <fcntl.h>
1766 #ifdef HAVE_POLL_H
1767 #include <poll.h>
1768 #else
1769 #include <sys/poll.h>
1770 #endif
1771 int main() {
1772         struct pollfd myfds;
1773         int ret;
1774
1775         /* check for Darwin bug with respect to "devices" */
1776         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
1777         if (myfds.fd < 0)
1778                 myfds.fd = 0;
1779         myfds.events = POLLIN;
1780         myfds.revents = 0;
1781
1782         ret = poll(&myfds, 1, 100);
1783
1784         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1785                 ret = -1;
1786         } else {
1787                 int fd = 0;
1788                 if (!isatty(fd)) {
1789                         fd = open("/dev/tty", 2);       /* O_RDWR */
1790                 }
1791
1792                 if (fd >= 0) {
1793                         /* also check with standard input */
1794                         myfds.fd = fd;
1795                         myfds.events = POLLIN;
1796                         myfds.revents = 0;
1797                         ret = poll(&myfds, 1, 100);
1798                 } else {
1799                         ret = -1;
1800                 }
1801         }
1802         ${cf_cv_main_return:-return}(ret < 0);
1803 }],
1804         [cf_cv_working_poll=yes],
1805         [cf_cv_working_poll=no],
1806         [cf_cv_working_poll=unknown])])
1807 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
1808 ])dnl
1809 dnl ---------------------------------------------------------------------------
1810 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
1811 dnl ---------------
1812 dnl Some old/broken variations define tcgetattr() only as a macro in
1813 dnl termio(s).h
1814 AC_DEFUN([CF_FUNC_TERMIOS],[
1815 AC_REQUIRE([CF_STRUCT_TERMIOS])
1816 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1817 AC_TRY_LINK([
1818 #include <sys/types.h>
1819 #ifdef HAVE_UNISTD_H
1820 #include <unistd.h>
1821 #endif
1822 #ifdef HAVE_TERMIOS_H
1823 #include <termios.h>
1824 #define TTY struct termios
1825 #else
1826 #ifdef HAVE_TERMIO_H
1827 #include <termio.h>
1828 #define TTY struct termio
1829 #endif
1830 #endif
1831 ],[
1832 TTY foo;
1833 tcgetattr(1, &foo);],
1834 [cf_cv_have_tcgetattr=yes],
1835 [cf_cv_have_tcgetattr=no])])
1836 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
1837 ])dnl
1838 dnl ---------------------------------------------------------------------------
1839 dnl CF_FUNC_VSSCANF version: 4 updated: 2012/10/06 17:56:13
1840 dnl ---------------
1841 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1842 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1843 dnl other functions.
1844 AC_DEFUN([CF_FUNC_VSSCANF],
1845 [
1846 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1847 AC_TRY_LINK([
1848 #include <stdarg.h>
1849 #include <stdio.h>],[
1850         va_list ap;
1851         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1852 AC_TRY_LINK([
1853 #include <stdarg.h>
1854 #include <stdio.h>],[
1855     FILE strbuf;
1856     char *str = "from";
1857
1858     strbuf._flag = _IOREAD;
1859     strbuf._ptr = strbuf._base = (unsigned char *) str;
1860     strbuf._cnt = strlen(str);
1861     strbuf._file = _NFILE;
1862     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1863 AC_TRY_LINK([
1864 #include <stdarg.h>
1865 #include <stdio.h>],[
1866     FILE strbuf;
1867     char *str = "from";
1868
1869     strbuf._flag = _IOREAD;
1870     strbuf._ptr = strbuf._base = (unsigned char *) str;
1871     strbuf._cnt = strlen(str);
1872     strbuf._file = _NFILE;
1873     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1874 cf_cv_func_vsscanf=no])])])])
1875
1876 case $cf_cv_func_vsscanf in #(vi
1877 vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);; #(vi
1878 vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);; #(vi
1879 _doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
1880 esac
1881
1882 ])dnl
1883 dnl ---------------------------------------------------------------------------
1884 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
1885 dnl -----------------
1886 dnl Test for availability of useful gcc __attribute__ directives to quiet
1887 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1888 dnl to documentation, unrecognized directives cause older compilers to barf.
1889 AC_DEFUN([CF_GCC_ATTRIBUTES],
1890 [
1891 if test "$GCC" = yes
1892 then
1893 cat > conftest.i <<EOF
1894 #ifndef GCC_PRINTF
1895 #define GCC_PRINTF 0
1896 #endif
1897 #ifndef GCC_SCANF
1898 #define GCC_SCANF 0
1899 #endif
1900 #ifndef GCC_NORETURN
1901 #define GCC_NORETURN /* nothing */
1902 #endif
1903 #ifndef GCC_UNUSED
1904 #define GCC_UNUSED /* nothing */
1905 #endif
1906 EOF
1907 if test "$GCC" = yes
1908 then
1909         AC_CHECKING([for $CC __attribute__ directives])
1910 cat > conftest.$ac_ext <<EOF
1911 #line __oline__ "${as_me:-configure}"
1912 #include "confdefs.h"
1913 #include "conftest.h"
1914 #include "conftest.i"
1915 #if     GCC_PRINTF
1916 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1917 #else
1918 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1919 #endif
1920 #if     GCC_SCANF
1921 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1922 #else
1923 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1924 #endif
1925 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1926 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1927 extern void foo(void) GCC_NORETURN;
1928 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1929 EOF
1930         cf_printf_attribute=no
1931         cf_scanf_attribute=no
1932         for cf_attribute in scanf printf unused noreturn
1933         do
1934                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1935                 cf_directive="__attribute__(($cf_attribute))"
1936                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1937
1938                 case $cf_attribute in #(vi
1939                 printf) #(vi
1940                         cf_printf_attribute=yes
1941                         cat >conftest.h <<EOF
1942 #define GCC_$cf_ATTRIBUTE 1
1943 EOF
1944                         ;;
1945                 scanf) #(vi
1946                         cf_scanf_attribute=yes
1947                         cat >conftest.h <<EOF
1948 #define GCC_$cf_ATTRIBUTE 1
1949 EOF
1950                         ;;
1951                 *) #(vi
1952                         cat >conftest.h <<EOF
1953 #define GCC_$cf_ATTRIBUTE $cf_directive
1954 EOF
1955                         ;;
1956                 esac
1957
1958                 if AC_TRY_EVAL(ac_compile); then
1959                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1960                         cat conftest.h >>confdefs.h
1961                         case $cf_attribute in #(vi
1962                         noreturn) #(vi
1963                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1964                                 ;;
1965                         printf) #(vi
1966                                 cf_value='/* nothing */'
1967                                 if test "$cf_printf_attribute" != no ; then
1968                                         cf_value='__attribute__((format(printf,fmt,var)))'
1969                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1970                                 fi
1971                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1972                                 ;;
1973                         scanf) #(vi
1974                                 cf_value='/* nothing */'
1975                                 if test "$cf_scanf_attribute" != no ; then
1976                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1977                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1978                                 fi
1979                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1980                                 ;;
1981                         unused) #(vi
1982                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1983                                 ;;
1984                         esac
1985                 fi
1986         done
1987 else
1988         fgrep define conftest.i >>confdefs.h
1989 fi
1990 rm -rf conftest*
1991 fi
1992 ])dnl
1993 dnl ---------------------------------------------------------------------------
1994 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1995 dnl --------------
1996 dnl Find version of gcc
1997 AC_DEFUN([CF_GCC_VERSION],[
1998 AC_REQUIRE([AC_PROG_CC])
1999 GCC_VERSION=none
2000 if test "$GCC" = yes ; then
2001         AC_MSG_CHECKING(version of $CC)
2002         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2003         test -z "$GCC_VERSION" && GCC_VERSION=unknown
2004         AC_MSG_RESULT($GCC_VERSION)
2005 fi
2006 ])dnl
2007 dnl ---------------------------------------------------------------------------
2008 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
2009 dnl ---------------
2010 dnl Check if the compiler supports useful warning options.  There's a few that
2011 dnl we don't use, simply because they're too noisy:
2012 dnl
2013 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2014 dnl     -Wredundant-decls (system headers make this too noisy)
2015 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
2016 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
2017 dnl             is enabled for ncurses using "--enable-const".
2018 dnl     -pedantic
2019 dnl
2020 dnl Parameter:
2021 dnl     $1 is an optional list of gcc warning flags that a particular
2022 dnl             application might want to use, e.g., "no-unused" for
2023 dnl             -Wno-unused
2024 dnl Special:
2025 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2026 dnl
2027 AC_DEFUN([CF_GCC_WARNINGS],
2028 [
2029 AC_REQUIRE([CF_GCC_VERSION])
2030 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2031 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2032
2033 cat > conftest.$ac_ext <<EOF
2034 #line __oline__ "${as_me:-configure}"
2035 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2036 EOF
2037
2038 if test "$INTEL_COMPILER" = yes
2039 then
2040 # The "-wdXXX" options suppress warnings:
2041 # remark #1419: external declaration in primary source file
2042 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2043 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2044 # remark #193: zero used for undefined preprocessing identifier
2045 # remark #593: variable "curs_sb_left_arrow" was set but never used
2046 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2047 # remark #869: parameter "tw" was never referenced
2048 # remark #981: operands are evaluated in unspecified order
2049 # warning #279: controlling expression is constant
2050
2051         AC_CHECKING([for $CC warning options])
2052         cf_save_CFLAGS="$CFLAGS"
2053         EXTRA_CFLAGS="-Wall"
2054         for cf_opt in \
2055                 wd1419 \
2056                 wd1683 \
2057                 wd1684 \
2058                 wd193 \
2059                 wd593 \
2060                 wd279 \
2061                 wd810 \
2062                 wd869 \
2063                 wd981
2064         do
2065                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2066                 if AC_TRY_EVAL(ac_compile); then
2067                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2068                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2069                 fi
2070         done
2071         CFLAGS="$cf_save_CFLAGS"
2072
2073 elif test "$GCC" = yes
2074 then
2075         AC_CHECKING([for $CC warning options])
2076         cf_save_CFLAGS="$CFLAGS"
2077         EXTRA_CFLAGS=
2078         cf_warn_CONST=""
2079         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2080         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2081         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2082         for cf_opt in W Wall \
2083                 Wbad-function-cast \
2084                 Wcast-align \
2085                 Wcast-qual \
2086                 Wdeclaration-after-statement \
2087                 Wextra \
2088                 Winline \
2089                 Wmissing-declarations \
2090                 Wmissing-prototypes \
2091                 Wnested-externs \
2092                 Wpointer-arith \
2093                 Wshadow \
2094                 Wstrict-prototypes \
2095                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
2096         do
2097                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2098                 if AC_TRY_EVAL(ac_compile); then
2099                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2100                         case $cf_opt in #(vi
2101                         Wcast-qual) #(vi
2102                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2103                                 ;;
2104                         Winline) #(vi
2105                                 case $GCC_VERSION in
2106                                 [[34]].*)
2107                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2108                                         continue;;
2109                                 esac
2110                                 ;;
2111                         Wpointer-arith) #(vi
2112                                 case $GCC_VERSION in
2113                                 [[12]].*)
2114                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2115                                         continue;;
2116                                 esac
2117                                 ;;
2118                         esac
2119                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2120                 fi
2121         done
2122         CFLAGS="$cf_save_CFLAGS"
2123 fi
2124 rm -rf conftest*
2125
2126 AC_SUBST(EXTRA_CFLAGS)
2127 ])dnl
2128 dnl ---------------------------------------------------------------------------
2129 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2130 dnl ----------------
2131 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2132 dnl unistd.h or (nonstandard) in getopt.h
2133 AC_DEFUN([CF_GETOPT_HEADER],
2134 [
2135 AC_HAVE_HEADERS(unistd.h getopt.h)
2136 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2137 cf_cv_getopt_header=none
2138 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2139 do
2140 AC_TRY_COMPILE([
2141 #include <$cf_header>],
2142 [int x = optind; char *y = optarg],
2143 [cf_cv_getopt_header=$cf_header
2144  break])
2145 done
2146 ])
2147 if test $cf_cv_getopt_header != none ; then
2148         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2149 fi
2150 if test $cf_cv_getopt_header = getopt.h ; then
2151         AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2152 fi
2153 ])dnl
2154 dnl ---------------------------------------------------------------------------
2155 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2156 dnl -----------------
2157 AC_DEFUN([CF_GNATPREP_OPT_T],[
2158 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2159 cf_cv_gnatprep_opt_t=no
2160 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2161 ])
2162 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2163 AC_SUBST(GNATPREP_OPTS)
2164 ])dnl
2165 dnl ---------------------------------------------------------------------------
2166 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
2167 dnl ----------------
2168 AC_DEFUN([CF_GNAT_GENERICS],
2169 [
2170 AC_REQUIRE([CF_GNAT_VERSION])
2171
2172 AC_MSG_CHECKING(if GNAT supports generics)
2173 case $cf_gnat_version in #(vi
2174 3.[[1-9]]*|[[4-9]].*) #(vi
2175         cf_gnat_generics=yes
2176         ;;
2177 *)
2178         cf_gnat_generics=no
2179         ;;
2180 esac
2181 AC_MSG_RESULT($cf_gnat_generics)
2182
2183 if test "$cf_gnat_generics" = yes
2184 then
2185         cf_compile_generics=generics
2186         cf_generic_objects="\${GENOBJS}"
2187 else
2188         cf_compile_generics=
2189         cf_generic_objects=
2190 fi
2191
2192 AC_SUBST(cf_compile_generics)
2193 AC_SUBST(cf_generic_objects)
2194 ])dnl
2195 dnl ---------------------------------------------------------------------------
2196 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
2197 dnl ----------------
2198 dnl GNAT projects are configured with ".gpr" project files.
2199 dnl GNAT libraries are a further development, using the project feature.
2200 AC_DEFUN([CF_GNAT_PROJECTS],
2201 [
2202 AC_REQUIRE([CF_GNAT_VERSION])
2203 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2204
2205 cf_gnat_libraries=no
2206 cf_gnat_projects=no
2207
2208 if test "$enable_gnat_projects" != no ; then
2209 AC_MSG_CHECKING(if GNAT supports project files)
2210 case $cf_gnat_version in #(vi
2211 3.[[0-9]]*) #(vi
2212         ;;
2213 *)
2214         case $cf_cv_system_name in #(vi
2215         cygwin*|msys*) #(vi
2216                 ;;
2217         *)
2218                 mkdir conftest.src conftest.bin conftest.lib
2219                 cd conftest.src
2220                 rm -rf conftest* *~conftest*
2221                 cat >>library.gpr <<CF_EOF
2222 project Library is
2223   Kind := External ("LIB_KIND");
2224   for Library_Name use "ConfTest";
2225   for Object_Dir use ".";
2226   for Library_ALI_Dir use External("LIBRARY_DIR");
2227   for Library_Version use External ("SONAME");
2228   for Library_Kind use Kind;
2229   for Library_Dir use External("BUILD_DIR");
2230   Source_Dir := External ("SOURCE_DIR");
2231   for Source_Dirs use (Source_Dir);
2232 end Library;
2233 CF_EOF
2234                 cat >>confpackage.ads <<CF_EOF
2235 package ConfPackage is
2236    procedure conftest;
2237 end ConfPackage;
2238 CF_EOF
2239                 cat >>confpackage.adb <<CF_EOF
2240 with Text_IO;
2241 package body ConfPackage is
2242    procedure conftest is
2243    begin
2244       Text_IO.Put ("Hello World");
2245       Text_IO.New_Line;
2246    end conftest;
2247 end ConfPackage;
2248 CF_EOF
2249                 if ( $cf_ada_make $ADAFLAGS \
2250                                 -Plibrary.gpr \
2251                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2252                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2253                                 -XSOURCE_DIR=`pwd` \
2254                                 -XSONAME=libConfTest.so.1 \
2255                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2256                         cf_gnat_projects=yes
2257                 fi
2258                 cd ..
2259                 if test -f conftest.lib/confpackage.ali
2260                 then
2261                         cf_gnat_libraries=yes
2262                 fi
2263                 rm -rf conftest* *~conftest*
2264                 ;;
2265         esac
2266         ;;
2267 esac
2268 AC_MSG_RESULT($cf_gnat_projects)
2269 fi # enable_gnat_projects
2270
2271 if test $cf_gnat_projects = yes
2272 then
2273         AC_MSG_CHECKING(if GNAT supports libraries)
2274         AC_MSG_RESULT($cf_gnat_libraries)
2275 fi
2276
2277 if test "$cf_gnat_projects" = yes
2278 then
2279         USE_OLD_MAKERULES="#"
2280         USE_GNAT_PROJECTS=""
2281 else
2282         USE_OLD_MAKERULES=""
2283         USE_GNAT_PROJECTS="#"
2284 fi
2285
2286 if test "$cf_gnat_libraries" = yes
2287 then
2288         USE_GNAT_LIBRARIES=""
2289 else
2290         USE_GNAT_LIBRARIES="#"
2291 fi
2292
2293 AC_SUBST(USE_OLD_MAKERULES)
2294 AC_SUBST(USE_GNAT_PROJECTS)
2295 AC_SUBST(USE_GNAT_LIBRARIES)
2296 ])dnl
2297 dnl ---------------------------------------------------------------------------
2298 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2299 dnl --------------
2300 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2301 dnl is noted that gnat may compile a tasking unit even for configurations which
2302 dnl fail at runtime.
2303 AC_DEFUN([CF_GNAT_SIGINT],[
2304 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2305 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2306
2307 package ConfTest is
2308
2309    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2310    pragma Unreserve_All_Interrupts;
2311    pragma Warnings (On);
2312
2313    protected Process is
2314       procedure Stop;
2315       function Continue return Boolean;
2316       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2317    private
2318       Done : Boolean := False;
2319    end Process;
2320
2321 end ConfTest;],
2322 [package body ConfTest is
2323    protected body Process is
2324       procedure Stop is
2325       begin
2326          Done := True;
2327       end Stop;
2328       function Continue return Boolean is
2329       begin
2330          return not Done;
2331       end Continue;
2332    end Process;
2333 end ConfTest;],
2334         [cf_cv_gnat_sigint=yes],
2335         [cf_cv_gnat_sigint=no])])
2336
2337 if test $cf_cv_gnat_sigint = yes ; then
2338         USE_GNAT_SIGINT=""
2339 else
2340         USE_GNAT_SIGINT="#"
2341 fi
2342 AC_SUBST(USE_GNAT_SIGINT)
2343 ])dnl
2344 dnl ---------------------------------------------------------------------------
2345 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2346 dnl ----------------
2347 dnl Verify that a test program compiles/links with GNAT.
2348 dnl $cf_ada_make is set to the program that compiles/links
2349 dnl $ADAFLAGS may be set to the GNAT flags.
2350 dnl
2351 dnl $1 is the text of the spec
2352 dnl $2 is the text of the body
2353 dnl $3 is the shell command to execute if successful
2354 dnl $4 is the shell command to execute if not successful
2355 AC_DEFUN([CF_GNAT_TRY_LINK],
2356 [
2357 rm -rf conftest* *~conftest*
2358 cat >>conftest.ads <<CF_EOF
2359 $1
2360 CF_EOF
2361 cat >>conftest.adb <<CF_EOF
2362 $2
2363 CF_EOF
2364 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2365 ifelse($3,,      :,[      $3])
2366 ifelse($4,,,[else
2367    $4])
2368 fi
2369 rm -rf conftest* *~conftest*
2370 ])dnl
2371 dnl ---------------------------------------------------------------------------
2372 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2373 dnl ---------------
2374 dnl Verify that a test program compiles and runs with GNAT
2375 dnl $cf_ada_make is set to the program that compiles/links
2376 dnl $ADAFLAGS may be set to the GNAT flags.
2377 dnl
2378 dnl $1 is the text of the spec
2379 dnl $2 is the text of the body
2380 dnl $3 is the shell command to execute if successful
2381 dnl $4 is the shell command to execute if not successful
2382 AC_DEFUN([CF_GNAT_TRY_RUN],
2383 [
2384 rm -rf conftest* *~conftest*
2385 cat >>conftest.ads <<CF_EOF
2386 $1
2387 CF_EOF
2388 cat >>conftest.adb <<CF_EOF
2389 $2
2390 CF_EOF
2391 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2392    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2393 ifelse($3,,      :,[      $3])
2394 ifelse($4,,,[   else
2395       $4])
2396    fi
2397 ifelse($4,,,[else
2398    $4])
2399 fi
2400 rm -rf conftest* *~conftest*
2401 ])dnl
2402 dnl ---------------------------------------------------------------------------
2403 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
2404 dnl ---------------
2405 dnl Verify version of GNAT.
2406 AC_DEFUN([CF_GNAT_VERSION],
2407 [
2408 AC_MSG_CHECKING(for gnat version)
2409 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2410         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2411     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2412 AC_MSG_RESULT($cf_gnat_version)
2413
2414 case $cf_gnat_version in #(vi
2415 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
2416         cf_cv_prog_gnat_correct=yes
2417         ;;
2418 *)
2419         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2420         cf_cv_prog_gnat_correct=no
2421         ;;
2422 esac
2423 ])
2424 dnl ---------------------------------------------------------------------------
2425 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2426 dnl -------------
2427 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2428 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2429 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2430 dnl since it is interwoven with GNU extensions.
2431 dnl
2432 dnl Well, yes we could work around it...
2433 AC_DEFUN([CF_GNU_SOURCE],
2434 [
2435 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2436 AC_TRY_COMPILE([#include <sys/types.h>],[
2437 #ifndef _XOPEN_SOURCE
2438 make an error
2439 #endif],
2440         [cf_cv_gnu_source=no],
2441         [cf_save="$CPPFLAGS"
2442          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2443          AC_TRY_COMPILE([#include <sys/types.h>],[
2444 #ifdef _XOPEN_SOURCE
2445 make an error
2446 #endif],
2447         [cf_cv_gnu_source=no],
2448         [cf_cv_gnu_source=yes])
2449         CPPFLAGS="$cf_save"
2450         ])
2451 ])
2452 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2453 ])dnl
2454 dnl ---------------------------------------------------------------------------
2455 dnl CF_GPP_LIBRARY version: 11 updated: 2012/10/06 17:56:13
2456 dnl --------------
2457 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2458 dnl problem :-).  If we have the compiler but no library, we'll be able to
2459 dnl configure, but won't be able to build the c++ demo program.
2460 AC_DEFUN([CF_GPP_LIBRARY],
2461 [
2462 cf_cxx_library=unknown
2463 case $cf_cv_system_name in #(vi
2464 os2*) #(vi
2465         cf_gpp_libname=gpp
2466         ;;
2467 *)
2468         cf_gpp_libname=g++
2469         ;;
2470 esac
2471 if test "$GXX" = yes; then
2472         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2473         cf_save="$LIBS"
2474         CF_ADD_LIB($cf_gpp_libname)
2475         AC_TRY_LINK([
2476 #include <$cf_gpp_libname/builtin.h>
2477         ],
2478         [two_arg_error_handler_t foo2 = lib_error_handler],
2479         [cf_cxx_library=yes
2480          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2481          if test "$cf_gpp_libname" = cpp ; then
2482             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2483          else
2484             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2485          fi],
2486         [AC_TRY_LINK([
2487 #include <builtin.h>
2488         ],
2489         [two_arg_error_handler_t foo2 = lib_error_handler],
2490         [cf_cxx_library=yes
2491          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2492          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2493         [cf_cxx_library=no])])
2494         LIBS="$cf_save"
2495         AC_MSG_RESULT($cf_cxx_library)
2496 fi
2497 ])dnl
2498 dnl ---------------------------------------------------------------------------
2499 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2500 dnl --------------
2501 dnl Check for version of g++
2502 AC_DEFUN([CF_GXX_VERSION],[
2503 AC_REQUIRE([AC_PROG_CPP])
2504 GXX_VERSION=none
2505 if test "$GXX" = yes; then
2506         AC_MSG_CHECKING(version of ${CXX:-g++})
2507         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2508         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2509         AC_MSG_RESULT($GXX_VERSION)
2510 fi
2511 ])dnl
2512 dnl ---------------------------------------------------------------------------
2513 dnl CF_GXX_WARNINGS version: 8 updated: 2013/11/16 14:27:53
2514 dnl ---------------
2515 dnl Check if the compiler supports useful warning options.
2516 dnl
2517 dnl Most of gcc's options apply to g++, except:
2518 dnl     -Wbad-function-cast
2519 dnl     -Wmissing-declarations
2520 dnl     -Wnested-externs
2521 dnl
2522 dnl Omit a few (for now):
2523 dnl     -Winline
2524 dnl
2525 dnl Parameter:
2526 dnl     $1 is an optional list of g++ warning flags that a particular
2527 dnl             application might want to use, e.g., "no-unused" for
2528 dnl             -Wno-unused
2529 dnl Special:
2530 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2531 dnl
2532 AC_DEFUN([CF_GXX_WARNINGS],
2533 [
2534
2535 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2536 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2537
2538 AC_REQUIRE([CF_GXX_VERSION])
2539
2540 AC_LANG_SAVE
2541 AC_LANG_CPLUSPLUS
2542
2543 cat > conftest.$ac_ext <<EOF
2544 #line __oline__ "configure"
2545 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2546 EOF
2547
2548 if test "$INTEL_CPLUSPLUS" = yes
2549 then
2550 # The "-wdXXX" options suppress warnings:
2551 # remark #1419: external declaration in primary source file
2552 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2553 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2554 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2555 # remark #193: zero used for undefined preprocessing identifier
2556 # remark #593: variable "curs_sb_left_arrow" was set but never used
2557 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2558 # remark #869: parameter "tw" was never referenced
2559 # remark #981: operands are evaluated in unspecified order
2560 # warning #269: invalid format string conversion
2561
2562         AC_CHECKING([for $CC warning options])
2563         cf_save_CXXFLAGS="$CXXFLAGS"
2564         EXTRA_CXXFLAGS="-Wall"
2565         for cf_opt in \
2566                 wd1419 \
2567                 wd1682 \
2568                 wd1683 \
2569                 wd1684 \
2570                 wd193 \
2571                 wd279 \
2572                 wd593 \
2573                 wd810 \
2574                 wd869 \
2575                 wd981
2576         do
2577                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2578                 if AC_TRY_EVAL(ac_compile); then
2579                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2580                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2581                 fi
2582         done
2583         CXXFLAGS="$cf_save_CXXFLAGS"
2584
2585 elif test "$GXX" = yes
2586 then
2587         AC_CHECKING([for $CXX warning options])
2588         cf_save_CXXFLAGS="$CXXFLAGS"
2589         EXTRA_CXXFLAGS="-W -Wall"
2590         cf_gxx_extra_warnings=""
2591         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2592         case "$GCC_VERSION" in
2593         [[1-2]].*)
2594                 ;;
2595         *)
2596                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2597                 ;;
2598         esac
2599         for cf_opt in \
2600                 Wabi \
2601                 fabi-version=0 \
2602                 Wextra \
2603                 Wignored-qualifiers \
2604                 Wlogical-op \
2605                 Woverloaded-virtual \
2606                 Wsign-promo \
2607                 Wsynth \
2608                 Wold-style-cast \
2609                 Wcast-align \
2610                 Wcast-qual \
2611                 Wpointer-arith \
2612                 Wshadow \
2613                 Wundef $cf_gxx_extra_warnings $1
2614         do
2615                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2616                 if AC_TRY_EVAL(ac_compile); then
2617                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2618                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2619                 else
2620                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2621                 fi
2622         done
2623         CXXFLAGS="$cf_save_CXXFLAGS"
2624 fi
2625
2626 rm -rf conftest*
2627 AC_LANG_RESTORE
2628 AC_SUBST(EXTRA_CXXFLAGS)
2629 ])dnl
2630 dnl ---------------------------------------------------------------------------
2631 dnl CF_HASHED_DB version: 5 updated: 2014/04/12 16:47:01
2632 dnl ------------
2633 dnl Look for an instance of the Berkeley hashed database.
2634 dnl
2635 dnl $1 = optional parameter, to specify install-prefix for the database.
2636 AC_DEFUN([CF_HASHED_DB],
2637 [
2638 ifelse([$1],,,[
2639 case $1 in #(vi
2640 yes|*able*) #(vi
2641     ;;
2642 *)
2643     if test -d "$1" ; then
2644         CF_ADD_INCDIR($1/include)
2645         CF_ADD_LIBDIR($1/lib)
2646         else
2647                 case "$1" in #(vi
2648                 ./*|../*|/*)
2649                         AC_MSG_WARN(no such directory $1)
2650                         ;; #(vi
2651                 *)
2652                         CF_FIND_SUB_INCDIR($1)
2653                         CF_FIND_SUB_LIBDIR($1)
2654                         ;;
2655                 esac
2656     fi
2657 esac
2658 ])
2659 AC_CHECK_HEADER(db.h,[
2660 CF_HASHED_DB_VERSION
2661 if test "$cf_cv_hashed_db_version" = unknown ; then
2662         AC_MSG_ERROR(Cannot determine version of db)
2663 else
2664         CF_HASHED_DB_LIBS
2665         if test "$cf_cv_hashed_db_libs" = unknown ; then
2666                 AC_MSG_ERROR(Cannot determine library for db)
2667         elif test "$cf_cv_hashed_db_libs" != default ; then
2668                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2669         fi
2670 fi
2671 ],[
2672         AC_MSG_ERROR(Cannot find db.h)
2673 ])
2674 ])dnl
2675 dnl ---------------------------------------------------------------------------
2676 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2677 dnl -----------------
2678 dnl Given that we have the header and version for hashed database, find the
2679 dnl library information.
2680 AC_DEFUN([CF_HASHED_DB_LIBS],
2681 [
2682 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2683 cf_cv_hashed_db_libs=unknown
2684 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2685 do
2686         cf_save_libs="$LIBS"
2687         if test -n "$cf_db_libs"; then
2688                 CF_ADD_LIB($cf_db_libs)
2689         fi
2690         CF_MSG_LOG(checking for library "$cf_db_libs")
2691         AC_TRY_LINK([
2692 $ac_includes_default
2693 #include <db.h>
2694 ],[
2695         char *path = "/tmp/foo";
2696 #ifdef DB_VERSION_MAJOR
2697 #if DB_VERSION_MAJOR >= 4
2698         DB *result = 0;
2699         db_create(&result, NULL, 0);
2700         result->open(result,
2701                 NULL,
2702                 path,
2703                 path,
2704                 DB_HASH,
2705                 DB_CREATE,
2706                 0644);
2707 #elif DB_VERSION_MAJOR >= 3
2708         DB *result = 0;
2709         db_create(&result, NULL, 0);
2710         result->open(result,
2711                 path,
2712                 path,
2713                 DB_HASH,
2714                 DB_CREATE,
2715                 0644);
2716 #elif DB_VERSION_MAJOR >= 2
2717         DB *result = 0;
2718         db_open(path,
2719                 DB_HASH,
2720                 DB_CREATE,
2721                 0644,
2722                 (DB_ENV *) 0,
2723                 (DB_INFO *) 0,
2724                 &result);
2725 #endif /* DB_VERSION_MAJOR */
2726 #else
2727         DB *result = dbopen(path,
2728                      2,
2729                      0644,
2730                      DB_HASH,
2731                      0);
2732 #endif
2733         ${cf_cv_main_return:-return}(result != 0)
2734 ],[
2735         if test -n "$cf_db_libs" ; then
2736                 cf_cv_hashed_db_libs=$cf_db_libs
2737         else
2738                 cf_cv_hashed_db_libs=default
2739         fi
2740         LIBS="$cf_save_libs"
2741         break
2742 ])
2743         LIBS="$cf_save_libs"
2744 done
2745 ])
2746 ])dnl
2747 dnl ---------------------------------------------------------------------------
2748 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
2749 dnl --------------------
2750 dnl Given that we have the header file for hashed database, find the version
2751 dnl information.
2752 AC_DEFUN([CF_HASHED_DB_VERSION],
2753 [
2754 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2755 cf_cv_hashed_db_version=unknown
2756
2757 for cf_db_version in 1 2 3 4 5 6
2758 do
2759         CF_MSG_LOG(checking for db version $cf_db_version)
2760         AC_TRY_COMPILE([
2761 $ac_includes_default
2762 #include <db.h>
2763
2764 #ifdef DB_VERSION_MAJOR
2765         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2766 #if $cf_db_version == DB_VERSION_MAJOR
2767         /* ok */
2768 #else
2769         make an error
2770 #endif
2771 #else
2772 #if $cf_db_version == 1
2773         /* ok: assuming this is DB 1.8.5 */
2774 #else
2775         make an error
2776 #endif
2777 #endif
2778 ],[DBT *foo = 0],[
2779         cf_cv_hashed_db_version=$cf_db_version
2780         break
2781         ])
2782 done
2783 ])
2784 ])dnl
2785 dnl ---------------------------------------------------------------------------
2786 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2787 dnl --------------
2788 dnl Construct a search-list of directories for a nonstandard header-file
2789 dnl
2790 dnl Parameters
2791 dnl     $1 = the variable to return as result
2792 dnl     $2 = the package name
2793 AC_DEFUN([CF_HEADER_PATH],
2794 [
2795 $1=
2796
2797 # collect the current set of include-directories from compiler flags
2798 cf_header_path_list=""
2799 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2800         for cf_header_path in $CPPFLAGS $CFLAGS
2801         do
2802                 case $cf_header_path in #(vi
2803                 -I*)
2804                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2805                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2806                         cf_header_path_list="$cf_header_path_list [$]$1"
2807                         ;;
2808                 esac
2809         done
2810 fi
2811
2812 # add the variations for the package we are looking for
2813 CF_SUBDIR_PATH($1,$2,include)
2814
2815 test "$includedir" != NONE && \
2816 test "$includedir" != "/usr/include" && \
2817 test -d "$includedir" && {
2818         test -d $includedir &&    $1="[$]$1 $includedir"
2819         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2820 }
2821
2822 test "$oldincludedir" != NONE && \
2823 test "$oldincludedir" != "/usr/include" && \
2824 test -d "$oldincludedir" && {
2825         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2826         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2827 }
2828
2829 $1="[$]$1 $cf_header_path_list"
2830 ])dnl
2831 dnl ---------------------------------------------------------------------------
2832 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2833 dnl ---------------
2834 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2835 AC_DEFUN([CF_HELP_MESSAGE],
2836 [AC_DIVERT_HELP([$1])dnl
2837 ])dnl
2838 dnl ---------------------------------------------------------------------------
2839 dnl CF_INCLUDE_DIRS version: 9 updated: 2014/07/26 18:54:28
2840 dnl ---------------
2841 dnl Construct the list of include-options according to whether we're building
2842 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2843 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2844 dnl since that usually breaks gcc's shadow-includes.
2845 AC_DEFUN([CF_INCLUDE_DIRS],
2846 [
2847 if test "$GCC" != yes; then
2848         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2849 elif test "$includedir" != "/usr/include"; then
2850         if test "$includedir" = '${prefix}/include' ; then
2851                 if test x$prefix != x/usr ; then
2852                         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2853                 fi
2854         else
2855                 CPPFLAGS="-I\${includedir} $CPPFLAGS"
2856         fi
2857 fi
2858 if test "$srcdir" != "."; then
2859         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2860 fi
2861 CPPFLAGS="-I../include $CPPFLAGS"
2862 if test "$srcdir" != "."; then
2863         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2864 fi
2865 CPPFLAGS="-I. $CPPFLAGS"
2866 AC_SUBST(CPPFLAGS)
2867 ])dnl
2868 dnl ---------------------------------------------------------------------------
2869 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
2870 dnl -----------------
2871 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2872 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2873 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2874 dnl
2875 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2876 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2877 dnl the wrappers for gcc and g++ warnings.
2878 dnl
2879 dnl $1 = GCC (default) or GXX
2880 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2881 dnl $3 = CFLAGS (default) or CXXFLAGS
2882 AC_DEFUN([CF_INTEL_COMPILER],[
2883 AC_REQUIRE([AC_CANONICAL_HOST])
2884 ifelse([$2],,INTEL_COMPILER,[$2])=no
2885
2886 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2887         case $host_os in
2888         linux*|gnu*)
2889                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2890                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2891                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2892                 AC_TRY_COMPILE([],[
2893 #ifdef __INTEL_COMPILER
2894 #else
2895 make an error
2896 #endif
2897 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2898 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2899 ],[])
2900                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2901                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2902                 ;;
2903         esac
2904 fi
2905 ])dnl
2906 dnl ---------------------------------------------------------------------------
2907 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
2908 dnl ----------
2909 dnl Check if we have either a function or macro for 'isascii()'.
2910 AC_DEFUN([CF_ISASCII],
2911 [
2912 AC_MSG_CHECKING(for isascii)
2913 AC_CACHE_VAL(cf_cv_have_isascii,[
2914         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2915         [cf_cv_have_isascii=yes],
2916         [cf_cv_have_isascii=no])
2917 ])dnl
2918 AC_MSG_RESULT($cf_cv_have_isascii)
2919 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
2920 ])dnl
2921 dnl ---------------------------------------------------------------------------
2922 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
2923 dnl ------------
2924 dnl Add checks for large file support.
2925 AC_DEFUN([CF_LARGEFILE],[
2926 ifdef([AC_FUNC_FSEEKO],[
2927     AC_SYS_LARGEFILE
2928     if test "$enable_largefile" != no ; then
2929         AC_FUNC_FSEEKO
2930
2931         # Normally we would collect these definitions in the config.h,
2932         # but (like _XOPEN_SOURCE), some environments rely on having these
2933         # defined before any of the system headers are included.  Another
2934         # case comes up with C++, e.g., on AIX the compiler compiles the
2935         # header files by themselves before looking at the body files it is
2936         # told to compile.  For ncurses, those header files do not include
2937         # the config.h
2938         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2939         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2940         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2941
2942         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2943                 AC_TRY_COMPILE([
2944 #include <sys/types.h>
2945 #include <dirent.h>
2946                 ],[
2947                 /* if transitional largefile support is setup, this is true */
2948                 extern struct dirent64 * readdir(DIR *);
2949                 struct dirent64 *x = readdir((DIR *)0);
2950                 struct dirent *y = readdir((DIR *)0);
2951                 int z = x - y;
2952                 ],
2953                 [cf_cv_struct_dirent64=yes],
2954                 [cf_cv_struct_dirent64=no])
2955         ])
2956         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2957     fi
2958 ])
2959 ])
2960 dnl ---------------------------------------------------------------------------
2961 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2962 dnl -----------------
2963 dnl Check for compiler/linker flags used to temporarily force usage of static
2964 dnl libraries.  This depends on the compiler and platform.  Use this to help
2965 dnl ensure that the linker picks up a given library based on its position in
2966 dnl the list of linker options and libraries.
2967 AC_DEFUN([CF_LDFLAGS_STATIC],[
2968
2969 if test "$GCC" = yes ; then
2970         case $cf_cv_system_name in #(
2971         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2972                 LDFLAGS_STATIC=
2973                 LDFLAGS_SHARED=
2974                 ;;
2975     *)  #( normally, except when broken
2976         LDFLAGS_STATIC=-static
2977         LDFLAGS_SHARED=-dynamic
2978         ;;
2979     esac
2980 else
2981         case $cf_cv_system_name in #(
2982         aix[[4-7]]*)    #( from ld manpage
2983                 LDFLAGS_STATIC=-bstatic
2984                 LDFLAGS_SHARED=-bdynamic
2985                 ;;
2986         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2987                 # We could also use just "archive" and "shared".
2988                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2989                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2990                 ;;
2991         irix*)          #( from ld manpage IRIX64
2992                 LDFLAGS_STATIC=-Bstatic
2993                 LDFLAGS_SHARED=-Bdynamic
2994                 ;;
2995         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2996                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2997                 LDFLAGS_STATIC=-noso
2998                 LDFLAGS_SHARED=-so_archive
2999                 ;;
3000         solaris2*)
3001                 LDFLAGS_STATIC=-Bstatic
3002                 LDFLAGS_SHARED=-Bdynamic
3003                 ;;
3004         esac
3005 fi
3006
3007 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
3008 then
3009         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
3010
3011         rm -f libconftest.a
3012         cat >conftest.$ac_ext <<EOF
3013 #line __oline__ "configure"
3014 #include <stdio.h>
3015 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3016 EOF
3017         if AC_TRY_EVAL(ac_compile) ; then
3018                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3019                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3020         fi
3021         rm -f conftest.*
3022
3023         cf_save_LIBS="$LIBS"
3024
3025         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3026         AC_TRY_LINK([
3027 #line __oline__ "configure"
3028 #include <stdio.h>
3029 int cf_ldflags_static(FILE *fp);
3030 ],[
3031         return cf_ldflags_static(stdin);
3032 ],[
3033         # some linkers simply ignore the -dynamic
3034         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
3035         *static*) # (vi
3036                 cf_ldflags_static=no
3037                 ;;
3038         *)
3039                 cf_ldflags_static=yes
3040                 ;;
3041         esac
3042 ],[cf_ldflags_static=no])
3043
3044         rm -f libconftest.*
3045         LIBS="$cf_save_LIBS"
3046
3047         AC_MSG_RESULT($cf_ldflags_static)
3048
3049         if test $cf_ldflags_static != yes
3050         then
3051                 LDFLAGS_STATIC=
3052                 LDFLAGS_SHARED=
3053         fi
3054 else
3055         LDFLAGS_STATIC=
3056         LDFLAGS_SHARED=
3057 fi
3058
3059 AC_SUBST(LDFLAGS_STATIC)
3060 AC_SUBST(LDFLAGS_SHARED)
3061 ])
3062 dnl ---------------------------------------------------------------------------
3063 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
3064 dnl ---------------
3065 dnl For the given system and compiler, find the compiler flags to pass to the
3066 dnl loader to use the "rpath" feature.
3067 AC_DEFUN([CF_LD_RPATH_OPT],
3068 [
3069 AC_REQUIRE([CF_CHECK_CACHE])
3070
3071 LD_RPATH_OPT=
3072 AC_MSG_CHECKING(for an rpath option)
3073 case $cf_cv_system_name in #(vi
3074 irix*) #(vi
3075         if test "$GCC" = yes; then
3076                 LD_RPATH_OPT="-Wl,-rpath,"
3077         else
3078                 LD_RPATH_OPT="-rpath "
3079         fi
3080         ;;
3081 linux*|gnu*|k*bsd*-gnu) #(vi
3082         LD_RPATH_OPT="-Wl,-rpath,"
3083         ;;
3084 openbsd[[2-9]].*|mirbsd*) #(vi
3085         LD_RPATH_OPT="-Wl,-rpath,"
3086         ;;
3087 dragonfly*|freebsd*) #(vi
3088         LD_RPATH_OPT="-rpath "
3089         ;;
3090 netbsd*) #(vi
3091         LD_RPATH_OPT="-Wl,-rpath,"
3092         ;;
3093 osf*|mls+*) #(vi
3094         LD_RPATH_OPT="-rpath "
3095         ;;
3096 solaris2*) #(vi
3097         LD_RPATH_OPT="-R"
3098         ;;
3099 *)
3100         ;;
3101 esac
3102 AC_MSG_RESULT($LD_RPATH_OPT)
3103
3104 case "x$LD_RPATH_OPT" in #(vi
3105 x-R*)
3106         AC_MSG_CHECKING(if we need a space after rpath option)
3107         cf_save_LIBS="$LIBS"
3108         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3109         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3110         LIBS="$cf_save_LIBS"
3111         AC_MSG_RESULT($cf_rpath_space)
3112         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3113         ;;
3114 esac
3115 ])dnl
3116 dnl ---------------------------------------------------------------------------
3117 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
3118 dnl ---------------
3119 dnl Construct a search-list of directories for a nonstandard library-file
3120 dnl
3121 dnl Parameters
3122 dnl     $1 = the variable to return as result
3123 dnl     $2 = the package name
3124 AC_DEFUN([CF_LIBRARY_PATH],
3125 [
3126 $1=
3127 cf_library_path_list=""
3128 if test -n "${LDFLAGS}${LIBS}" ; then
3129         for cf_library_path in $LDFLAGS $LIBS
3130         do
3131                 case $cf_library_path in #(vi
3132                 -L*)
3133                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3134                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3135                         cf_library_path_list="$cf_library_path_list [$]$1"
3136                         ;;
3137                 esac
3138         done
3139 fi
3140
3141 CF_SUBDIR_PATH($1,$2,lib)
3142
3143 $1="$cf_library_path_list [$]$1"
3144 ])dnl
3145 dnl ---------------------------------------------------------------------------
3146 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3147 dnl ------------------
3148 AC_DEFUN([CF_LIBTOOL_VERSION],[
3149 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3150 then
3151         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3152 else
3153         cf_cv_libtool_version=
3154 fi
3155 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3156 ])dnl
3157 dnl ---------------------------------------------------------------------------
3158 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
3159 dnl -------------
3160 dnl Compute the library-prefix for the given host system
3161 dnl $1 = variable to set
3162 define([CF_LIB_PREFIX],
3163 [
3164         case $cf_cv_system_name in #(vi
3165         OS/2*|os2*) #(vi
3166         LIB_PREFIX=''
3167         ;;
3168         *)      LIB_PREFIX='lib'
3169         ;;
3170         esac
3171 ifelse($1,,,[$1=$LIB_PREFIX])
3172         AC_SUBST(LIB_PREFIX)
3173 ])dnl
3174 dnl ---------------------------------------------------------------------------
3175 dnl CF_LIB_RULES version: 74 updated: 2013/09/07 13:54:05
3176 dnl ------------
3177 dnl Append definitions and rules for the given models to the subdirectory
3178 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3179 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3180 dnl the corresponding makefile to list the models that we'll generate.
3181 dnl
3182 dnl For shared libraries, make a list of symbolic links to construct when
3183 dnl generating each library.  The convention used for Linux is the simplest
3184 dnl one:
3185 dnl     lib<name>.so    ->
3186 dnl     lib<name>.so.<major>    ->
3187 dnl     lib<name>.so.<maj>.<minor>
3188 dnl
3189 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3190 AC_DEFUN([CF_LIB_RULES],
3191 [
3192 cf_prefix=$LIB_PREFIX
3193 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3194
3195 case $cf_cv_shlib_version in #(vi
3196 cygdll|msysdll|mingw)
3197         TINFO_NAME=$TINFO_ARG_SUFFIX
3198         TINFO_SUFFIX=.dll
3199         ;;
3200 esac
3201
3202 if test -n "$TINFO_SUFFIX" ; then
3203         case $TINFO_SUFFIX in
3204         tw*)
3205                 TINFO_NAME="${TINFO_NAME}tw"
3206                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3207                 ;;
3208         t*)
3209                 TINFO_NAME="${TINFO_NAME}t"
3210                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3211                 ;;
3212         w*)
3213                 TINFO_NAME="${TINFO_NAME}w"
3214                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3215                 ;;
3216         esac
3217 fi
3218
3219 for cf_dir in $SRC_SUBDIRS
3220 do
3221         if test ! -d $srcdir/$cf_dir ; then
3222                 continue
3223         elif test -f $srcdir/$cf_dir/modules; then
3224
3225                 SHARED_LIB=
3226                 Libs_To_Make=
3227                 for cf_item in $cf_LIST_MODELS
3228                 do
3229                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3230                         cf_libname=$cf_dir
3231                         test "$cf_dir" = c++ && cf_libname=ncurses++
3232                         if test $cf_item = shared ; then
3233                                 if test -n "${LIB_SUFFIX}"
3234                                 then
3235                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3236                                 else
3237                                         cf_shared_suffix="$cf_suffix"
3238                                 fi
3239                                 if test "$cf_cv_do_symlinks" = yes ; then
3240                                         cf_version_name=
3241
3242                                         case "$cf_cv_shlib_version" in #(vi
3243                                         rel) #(vi
3244                                                 cf_version_name=REL_VERSION
3245                                                 ;;
3246                                         abi)
3247                                                 cf_version_name=ABI_VERSION
3248                                                 ;;
3249                                         esac
3250
3251                                         if test -n "$cf_version_name"
3252                                         then
3253                                                 case "$cf_cv_system_name" in #(vi
3254                                                 darwin*)
3255                                                         # "w", etc?
3256                                                         cf_suffix="${LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3257                                                         ;; #(vi
3258                                                 *)
3259                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3260                                                         ;;
3261                                                 esac
3262                                         fi
3263                                         if test -n "${LIB_SUFFIX}"
3264                                         then
3265                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3266                                         else
3267                                                 cf_shared_suffix="$cf_suffix"
3268                                         fi
3269                                 fi
3270                                 # cygwin needs import library, and has unique naming convention
3271                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3272                                 # use 'cyg' prefix for shared lib.
3273                                 case $cf_cv_shlib_version in #(vi
3274                                 cygdll) #(vi
3275                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3276                                         Libs_To_Make="$Libs_To_Make ../lib/cyg${cf_libname}${cf_cygsuf}"
3277                                         continue
3278                                         ;;
3279                                 msysdll) #(vi
3280                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3281                                         Libs_To_Make="$Libs_To_Make ../lib/msys-${cf_libname}${cf_cygsuf}"
3282                                         continue
3283                                         ;;
3284                                 mingw)
3285                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3286                                         Libs_To_Make="$Libs_To_Make ../lib/lib${cf_libname}${cf_cygsuf}"
3287                                         continue
3288                                         ;;
3289                                 esac
3290                         fi
3291                         Libs_To_Make="$Libs_To_Make ../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3292                 done
3293
3294                 if test $cf_dir = ncurses ; then
3295                         cf_subsets="$LIB_SUBSETS"
3296                         cf_r_parts="$cf_subsets"
3297                         cf_liblist="$Libs_To_Make"
3298
3299                         while test -n "$cf_r_parts"
3300                         do
3301                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3302                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3303                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3304                                         cf_item=
3305                                         case $cf_l_parts in #(vi
3306                                         *termlib*) #(vi
3307                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3308                                                 ;;
3309                                         *ticlib*)
3310                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3311                                                 ;;
3312                                         *)
3313                                                 break
3314                                                 ;;
3315                                         esac
3316                                         if test -n "$cf_item"; then
3317                                                 Libs_To_Make="$cf_item $Libs_To_Make"
3318                                         fi
3319                                 else
3320                                         break
3321                                 fi
3322                         done
3323                 else
3324                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3325                 fi
3326
3327                 if test $cf_dir = c++; then
3328                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3329                                 cf_list=
3330                                 for cf_item in $Libs_To_Make
3331                                 do
3332                                         case $cf_item in
3333                                         *.a)
3334                                                 ;;
3335                                         *)
3336                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3337                                                 ;;
3338                                         esac
3339                                         for cf_test in $cf_list
3340                                         do
3341                                                 if test "$cf_test" = "$cf_item"
3342                                                 then
3343                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3344                                                         cf_item=
3345                                                         break
3346                                                 fi
3347                                         done
3348                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3349                                 done
3350                                 Libs_To_Make="$cf_list"
3351                         fi
3352                 fi
3353
3354                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3355                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3356                         $cf_dir/Makefile >$cf_dir/Makefile.out
3357                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3358
3359                 $AWK -f $srcdir/mk-0th.awk \
3360                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3361                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3362
3363                 for cf_subset in $cf_subsets
3364                 do
3365                         cf_subdirs=
3366                         for cf_item in $cf_LIST_MODELS
3367                         do
3368
3369                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3370                         CF_UPPER(cf_ITEM,$cf_item)
3371
3372                         CXX_MODEL=$cf_ITEM
3373                         if test "$CXX_MODEL" = SHARED; then
3374                                 case $cf_cv_shlib_version in #(vi
3375                                 cygdll|msysdll|mingw) #(vi
3376                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3377                                         with_shared_cxx=yes
3378                                         ;;
3379                                 *)
3380                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3381                                         ;;
3382                                 esac
3383                         fi
3384
3385                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3386                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3387
3388                         # Test for case where we build libtinfo with a different name.
3389                         cf_libname=$cf_dir
3390                         if test $cf_dir = ncurses ; then
3391                                 case $cf_subset in
3392                                 *base*)
3393                                         cf_libname=${cf_libname}$LIB_SUFFIX
3394                                         ;;
3395                                 *termlib*)
3396                                         cf_libname=$TINFO_LIB_SUFFIX
3397                                         ;;
3398                                 ticlib*)
3399                                         cf_libname=$TICS_LIB_SUFFIX
3400                                         ;;
3401                                 esac
3402                         elif test $cf_dir = c++ ; then
3403                                 cf_libname=ncurses++$LIB_SUFFIX
3404                         else
3405                                 cf_libname=${cf_libname}$LIB_SUFFIX
3406                         fi
3407                         if test -n "${DFT_ARG_SUFFIX}" ; then
3408                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3409                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3410                         fi
3411
3412                         # These dependencies really are for development, not
3413                         # builds, but they are useful in porting, too.
3414                         cf_depend="../include/ncurses_cfg.h"
3415                         if test "$srcdir" = "."; then
3416                                 cf_reldir="."
3417                         else
3418                                 cf_reldir="\${srcdir}"
3419                         fi
3420
3421                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3422                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3423                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3424                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3425                         fi
3426
3427                         cf_dir_suffix=
3428                         old_cf_suffix="$cf_suffix"
3429                         if test "$cf_cv_shlib_version_infix" = yes ; then
3430                         if test -n "$LIB_SUFFIX" ; then
3431                                 case $LIB_SUFFIX in
3432                                 tw*)
3433                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3434                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3435                                         cf_dir_suffix=tw
3436                                         ;;
3437                                 t*)
3438                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3439                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3440                                         cf_dir_suffix=t
3441                                         ;;
3442                                 w*)
3443                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3444                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3445                                         cf_dir_suffix=w
3446                                         ;;
3447                                 esac
3448                         fi
3449                         fi
3450
3451                         $AWK -f $srcdir/mk-1st.awk \
3452                                 name=${cf_libname}${cf_dir_suffix} \
3453                                 traces=$LIB_TRACING \
3454                                 MODEL=$cf_ITEM \
3455                                 CXX_MODEL=$CXX_MODEL \
3456                                 model=$cf_subdir \
3457                                 prefix=$cf_prefix \
3458                                 suffix=$cf_suffix \
3459                                 subset=$cf_subset \
3460                                 driver=$cf_cv_term_driver \
3461                                 SymLink="$LN_S" \
3462                                 TermlibRoot=$TINFO_NAME \
3463                                 TermlibSuffix=$TINFO_SUFFIX \
3464                                 ShlibVer=$cf_cv_shlib_version \
3465                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3466                                 ReLink=${cf_cv_do_relink:-no} \
3467                                 DoLinks=$cf_cv_do_symlinks \
3468                                 rmSoLocs=$cf_cv_rm_so_locs \
3469                                 ldconfig="$LDCONFIG" \
3470                                 overwrite=$WITH_OVERWRITE \
3471                                 depend="$cf_depend" \
3472                                 host="$host" \
3473                                 libtool_version="$LIBTOOL_VERSION" \
3474                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3475
3476                         cf_suffix="$old_cf_suffix"
3477
3478                         for cf_subdir2 in $cf_subdirs lib
3479                         do
3480                                 test $cf_subdir = $cf_subdir2 && break
3481                         done
3482                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3483                         $AWK -f $srcdir/mk-2nd.awk \
3484                                 name=$cf_dir \
3485                                 traces=$LIB_TRACING \
3486                                 MODEL=$cf_ITEM \
3487                                 model=$cf_subdir \
3488                                 subset=$cf_subset \
3489                                 srcdir=$srcdir \
3490                                 echo=$WITH_ECHO \
3491                                 crenames=$cf_cv_prog_CC_c_o \
3492                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3493                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3494                         cf_subdirs="$cf_subdirs $cf_subdir"
3495                         done
3496                 done
3497         fi
3498
3499         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3500 done
3501
3502 for cf_dir in $SRC_SUBDIRS
3503 do
3504         if test ! -d $srcdir/$cf_dir ; then
3505                 continue
3506         fi
3507
3508         if test -f $cf_dir/Makefile ; then
3509                 case "$cf_dir" in
3510                 Ada95) #(vi
3511                         echo 'libs \' >> Makefile
3512                         echo 'install.libs \' >> Makefile
3513                         echo 'uninstall.libs ::' >> Makefile
3514                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3515                         ;;
3516                 esac
3517         fi
3518
3519         if test -f $srcdir/$cf_dir/modules; then
3520                 echo >> Makefile
3521                 if test -f $srcdir/$cf_dir/headers; then
3522 cat >> Makefile <<CF_EOF
3523 install.includes \\
3524 uninstall.includes \\
3525 CF_EOF
3526                 fi
3527 if test "$cf_dir" != "c++" ; then
3528 echo 'lint \' >> Makefile
3529 fi
3530 cat >> Makefile <<CF_EOF
3531 libs \\
3532 lintlib \\
3533 install.libs \\
3534 uninstall.libs \\
3535 install.$cf_dir \\
3536 uninstall.$cf_dir ::
3537         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3538 CF_EOF
3539         elif test -f $srcdir/$cf_dir/headers; then
3540 cat >> Makefile <<CF_EOF
3541
3542 libs \\
3543 install.libs \\
3544 uninstall.libs \\
3545 install.includes \\
3546 uninstall.includes ::
3547         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3548 CF_EOF
3549 fi
3550 done
3551
3552 if test "x$cf_with_db_install" = xyes; then
3553 cat >> Makefile <<CF_EOF
3554
3555 install.libs uninstall.libs \\
3556 install.data uninstall.data ::
3557 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3558 CF_EOF
3559 fi
3560
3561 if test "x$cf_with_manpages" = xyes; then
3562 cat >> Makefile <<CF_EOF
3563
3564 install.man \\
3565 uninstall.man ::
3566         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3567 CF_EOF
3568 fi
3569
3570 cat >> Makefile <<CF_EOF
3571
3572 distclean ::
3573         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3574         rm -f headers.sh headers.sed mk_shared_lib.sh
3575         rm -f edit_man.* man_alias.*
3576         rm -rf \${DIRS_TO_MAKE}
3577 CF_EOF
3578
3579 # Special case: tack's manpage lives in its own directory.
3580 if test "x$cf_with_manpages" = xyes; then
3581 if test -d tack ; then
3582 if test -f $srcdir/$tack.h; then
3583 cat >> Makefile <<CF_EOF
3584
3585 install.man \\
3586 uninstall.man ::
3587         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3588 CF_EOF
3589 fi
3590 fi
3591 fi
3592
3593 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3594 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3595 dnl anything, and will make it more standardized.  It's awkward to decide this
3596 dnl at configuration because of quoting, so we'll simply make all headers
3597 dnl installed via a script that can do the right thing.
3598
3599 rm -f headers.sed headers.sh
3600
3601 dnl ( generating this script makes the makefiles a little tidier :-)
3602 echo creating headers.sh
3603 cat >headers.sh <<CF_EOF
3604 #! /bin/sh
3605 # This shell script is generated by the 'configure' script.  It is invoked in a
3606 # subdirectory of the build tree.  It generates a sed-script in the parent
3607 # directory that is used to adjust includes for header files that reside in a
3608 # subdirectory of /usr/include, etc.
3609 PRG=""
3610 while test \[$]# != 3
3611 do
3612 PRG="\$PRG \[$]1"; shift
3613 done
3614 DST=\[$]1
3615 REF=\[$]2
3616 SRC=\[$]3
3617 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3618 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3619 echo installing \$SRC in \$DST
3620 CF_EOF
3621
3622 if test $WITH_CURSES_H = yes; then
3623         cat >>headers.sh <<CF_EOF
3624 case \$DST in
3625 /*/include/*)
3626         END=\`basename \$DST\`
3627         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3628         do
3629                 NAME=\`basename \$i\`
3630                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3631         done
3632         ;;
3633 *)
3634         echo "" >> \$TMPSED
3635         ;;
3636 esac
3637 CF_EOF
3638
3639 else
3640         cat >>headers.sh <<CF_EOF
3641 case \$DST in
3642 /*/include/*)
3643         END=\`basename \$DST\`
3644         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3645         do
3646                 NAME=\`basename \$i\`
3647                 if test "\$NAME" = "curses.h"
3648                 then
3649                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3650                         NAME=ncurses.h
3651                 fi
3652                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3653         done
3654         ;;
3655 *)
3656         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3657         ;;
3658 esac
3659 CF_EOF
3660 fi
3661 cat >>headers.sh <<CF_EOF
3662 rm -f \$TMPSRC
3663 sed -f \$TMPSED \$SRC > \$TMPSRC
3664 NAME=\`basename \$SRC\`
3665 CF_EOF
3666 if test $WITH_CURSES_H != yes; then
3667         cat >>headers.sh <<CF_EOF
3668 test "\$NAME" = "curses.h" && NAME=ncurses.h
3669 CF_EOF
3670 fi
3671 cat >>headers.sh <<CF_EOF
3672 # Just in case someone gzip'd manpages, remove the conflicting copy.
3673 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3674
3675 eval \$PRG \$TMPSRC \$DST/\$NAME
3676 rm -f \$TMPSRC \$TMPSED
3677 CF_EOF
3678
3679 chmod 0755 headers.sh
3680
3681 for cf_dir in $SRC_SUBDIRS
3682 do
3683         if test ! -d $srcdir/$cf_dir ; then
3684                 continue
3685         fi
3686
3687         if test -f $srcdir/$cf_dir/headers; then
3688                 $AWK -f $srcdir/mk-hdr.awk \
3689                         subset="$LIB_SUBSETS" \
3690                         compat="$WITH_CURSES_H" \
3691                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3692         fi
3693
3694         if test -f $srcdir/$cf_dir/modules; then
3695                 if test "$cf_dir" != "c++" ; then
3696                         cat >>$cf_dir/Makefile <<"CF_EOF"
3697 depend : ${AUTO_SRC}
3698         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3699
3700 # DO NOT DELETE THIS LINE -- make depend depends on it.
3701 CF_EOF
3702                 fi
3703         fi
3704 done
3705 AC_SUBST(Libs_To_Make)
3706 ])dnl
3707 dnl ---------------------------------------------------------------------------
3708 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3709 dnl -------------
3710 dnl Find the and soname for the given shared library.  Set the cache variable
3711 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3712 dnl variable to "unknown".
3713 dnl
3714 dnl $1 = headers
3715 dnl $2 = code
3716 dnl $3 = library name
3717 AC_DEFUN([CF_LIB_SONAME],
3718 [
3719 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3720
3721 cf_cv_$3_soname=unknown
3722 if test "$cross_compiling" != yes ; then
3723 cat >conftest.$ac_ext <<CF_EOF
3724 $1
3725 int main()
3726 {
3727 $2
3728         ${cf_cv_main_return:-return}(0);
3729 }
3730 CF_EOF
3731 cf_save_LIBS="$LIBS"
3732         CF_ADD_LIB($3)
3733         if AC_TRY_EVAL(ac_compile) ; then
3734                 if AC_TRY_EVAL(ac_link) ; then
3735                         cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3736                         test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3737                 fi
3738         fi
3739 rm -rf conftest*
3740 LIBS="$cf_save_LIBS"
3741 fi
3742 ])
3743 ])
3744 dnl ---------------------------------------------------------------------------
3745 dnl CF_LIB_SUFFIX version: 23 updated: 2014/06/21 17:47:12
3746 dnl -------------
3747 dnl Compute the library file-suffix from the given model name
3748 dnl $1 = model name
3749 dnl $2 = variable to set (the nominal library suffix)
3750 dnl $3 = dependency variable to set (actual filename)
3751 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3752 AC_DEFUN([CF_LIB_SUFFIX],
3753 [
3754         case X$1 in #(vi
3755         Xlibtool) #(vi
3756                 $2='.la'
3757                 $3=[$]$2
3758                 ;;
3759         Xdebug) #(vi
3760                 $2='_g.a'
3761                 $3=[$]$2
3762                 ;;
3763         Xprofile) #(vi
3764                 $2='_p.a'
3765                 $3=[$]$2
3766                 ;;
3767         Xshared) #(vi
3768                 case $cf_cv_system_name in
3769                 aix[[5-7]]*) #(vi
3770                         $2='.so'
3771                         $3=[$]$2
3772                         ;;
3773                 cygwin*|msys*|mingw*) #(vi
3774                         $2='.dll'
3775                         $3='.dll.a'
3776                         ;;
3777                 darwin*) #(vi
3778                         $2='.dylib'
3779                         $3=[$]$2
3780                         ;;
3781                 hpux*) #(vi
3782                         case $target in
3783                         ia64*) #(vi
3784                                 $2='.so'
3785                                 $3=[$]$2
3786                                 ;;
3787                         *) #(vi
3788                                 $2='.sl'
3789                                 $3=[$]$2
3790                                 ;;
3791                         esac
3792                         ;;
3793                 *) #(vi
3794                         $2='.so'
3795                         $3=[$]$2
3796                         ;;
3797                 esac
3798                 ;;
3799         *)
3800                 $2='.a'
3801                 $3=[$]$2
3802                 ;;
3803         esac
3804         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3805         test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3806 ])dnl
3807 dnl ---------------------------------------------------------------------------
3808 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3809 dnl -----------
3810 dnl Compute the string to append to -library from the given model name
3811 dnl $1 = model name
3812 dnl $2 = variable to set
3813 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3814 AC_DEFUN([CF_LIB_TYPE],
3815 [
3816         case $1 in
3817         libtool) $2=''   ;;
3818         normal)  $2=''   ;;
3819         debug)   $2='_g' ;;
3820         profile) $2='_p' ;;
3821         shared)  $2=''   ;;
3822         esac
3823         test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3824 ])dnl
3825 dnl ---------------------------------------------------------------------------
3826 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
3827 dnl ----------------
3828 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3829 dnl only data (i.e., no functions), for example NeXT.  On those systems we'll
3830 dnl have to provide wrappers for global tables to ensure they're linked
3831 dnl properly.
3832 AC_DEFUN([CF_LINK_DATAONLY],
3833 [
3834 AC_MSG_CHECKING([if data-only library module links])
3835 AC_CACHE_VAL(cf_cv_link_dataonly,[
3836         rm -f conftest.a
3837         cat >conftest.$ac_ext <<EOF
3838 #line __oline__ "configure"
3839 int     testdata[[3]] = { 123, 456, 789 };
3840 EOF
3841         if AC_TRY_EVAL(ac_compile) ; then
3842                 mv conftest.o data.o && \
3843                 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3844         fi
3845         rm -f conftest.$ac_ext data.o
3846         cat >conftest.$ac_ext <<EOF
3847 #line __oline__ "configure"
3848 int     testfunc()
3849 {
3850 #if defined(NeXT)
3851         ${cf_cv_main_return:-return}(1);        /* I'm told this linker is broken */
3852 #else
3853         extern int testdata[[3]];
3854         return testdata[[0]] == 123
3855            &&  testdata[[1]] == 456
3856            &&  testdata[[2]] == 789;
3857 #endif
3858 }
3859 EOF
3860         if AC_TRY_EVAL(ac_compile); then
3861                 mv conftest.o func.o && \
3862                 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3863         fi
3864         rm -f conftest.$ac_ext func.o
3865         ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3866         cf_saveLIBS="$LIBS"
3867         LIBS="conftest.a $LIBS"
3868         AC_TRY_RUN([
3869         int main()
3870         {
3871                 extern int testfunc();
3872                 ${cf_cv_main_return:-return} (!testfunc());
3873         }
3874         ],
3875         [cf_cv_link_dataonly=yes],
3876         [cf_cv_link_dataonly=no],
3877         [cf_cv_link_dataonly=unknown])
3878         LIBS="$cf_saveLIBS"
3879         ])
3880 AC_MSG_RESULT($cf_cv_link_dataonly)
3881
3882 if test "$cf_cv_link_dataonly" = no ; then
3883         AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
3884         BROKEN_LINKER=1
3885 fi
3886
3887 ])dnl
3888 dnl ---------------------------------------------------------------------------
3889 dnl CF_LINK_FUNCS version: 8 updated: 2012/10/06 17:56:13
3890 dnl -------------
3891 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3892 dnl A few non-Unix systems implement symlink, but not link.
3893 dnl A few non-systems implement neither (or have nonfunctional versions).
3894 AC_DEFUN([CF_LINK_FUNCS],
3895 [
3896 AC_CHECK_FUNCS( \
3897         remove \
3898         unlink )
3899
3900 if test "$cross_compiling" = yes ; then
3901         AC_CHECK_FUNCS( \
3902                 link \
3903                 symlink )
3904 else
3905         AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
3906                 cf_cv_link_funcs=
3907                 for cf_func in link symlink ; do
3908                         AC_TRY_RUN([
3909 #include <sys/types.h>
3910 #include <sys/stat.h>
3911 #ifdef HAVE_UNISTD_H
3912 #include <unistd.h>
3913 #endif
3914 int main()
3915 {
3916         int fail = 0;
3917         char *src = "config.log";
3918         char *dst = "conftest.chk";
3919         struct stat src_sb;
3920         struct stat dst_sb;
3921
3922         stat(src, &src_sb);
3923         fail = ($cf_func("config.log", "conftest.chk") < 0)
3924             || (stat(dst, &dst_sb) < 0)
3925             || (dst_sb.st_mtime != src_sb.st_mtime);
3926 #ifdef HAVE_UNLINK
3927         unlink(dst);
3928 #else
3929         remove(dst);
3930 #endif
3931         ${cf_cv_main_return:-return} (fail);
3932 }
3933                         ],[
3934                         cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
3935                         eval 'ac_cv_func_'$cf_func'=yes'],[
3936                         eval 'ac_cv_func_'$cf_func'=no'],[
3937                         eval 'ac_cv_func_'$cf_func'=error'])
3938                 done
3939                 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
3940         ])
3941         test "$ac_cv_func_link"    = yes && AC_DEFINE(HAVE_LINK,1,[Define to 1 if we have link() function])
3942         test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK,1,[Define to 1 if we have symlink() function])
3943 fi
3944 ])dnl
3945 dnl ---------------------------------------------------------------------------
3946 dnl CF_MAKEFLAGS version: 15 updated: 2014/05/10 16:43:23
3947 dnl ------------
3948 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
3949 dnl options to lower-levels.  It's very useful for "make -n" -- if we have it.
3950 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
3951 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
3952 AC_DEFUN([CF_MAKEFLAGS],
3953 [
3954 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
3955         cf_cv_makeflags=''
3956         for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
3957         do
3958                 cat >cf_makeflags.tmp <<CF_EOF
3959 SHELL = /bin/sh
3960 all :
3961         @ echo '.$cf_option'
3962 CF_EOF
3963                 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[   ]]*$,,'`
3964                 case "$cf_result" in
3965                 .*k|.*kw)
3966                         cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
3967                         case "$cf_result" in
3968                         .*CC=*) cf_cv_makeflags=
3969                                 ;;
3970                         *)      cf_cv_makeflags=$cf_option
3971                                 ;;
3972                         esac
3973                         break
3974                         ;;
3975                 .-)     ;;
3976                 *)      echo "given option \"$cf_option\", no match \"$cf_result\""
3977                         ;;
3978                 esac
3979         done
3980         rm -f cf_makeflags.tmp
3981 ])
3982
3983 AC_SUBST(cf_cv_makeflags)
3984 ])dnl
3985 dnl ---------------------------------------------------------------------------
3986 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
3987 dnl ------------
3988 dnl Generate tags/TAGS targets for makefiles.  Do not generate TAGS if we have
3989 dnl a monocase filesystem.
3990 AC_DEFUN([CF_MAKE_TAGS],[
3991 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
3992
3993 AC_CHECK_PROGS(CTAGS, exctags ctags)
3994 AC_CHECK_PROGS(ETAGS, exetags etags)
3995
3996 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
3997
3998 if test "$cf_cv_mixedcase" = yes ; then
3999         AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
4000 else
4001         MAKE_UPPER_TAGS=no
4002 fi
4003
4004 if test "$MAKE_UPPER_TAGS" = yes ; then
4005         MAKE_UPPER_TAGS=
4006 else
4007         MAKE_UPPER_TAGS="#"
4008 fi
4009
4010 if test "$MAKE_LOWER_TAGS" = yes ; then
4011         MAKE_LOWER_TAGS=
4012 else
4013         MAKE_LOWER_TAGS="#"
4014 fi
4015
4016 AC_SUBST(CTAGS)
4017 AC_SUBST(ETAGS)
4018
4019 AC_SUBST(MAKE_UPPER_TAGS)
4020 AC_SUBST(MAKE_LOWER_TAGS)
4021 ])dnl
4022 dnl ---------------------------------------------------------------------------
4023 dnl CF_MANPAGE_FORMAT version: 9 updated: 2010/10/23 16:10:30
4024 dnl -----------------
4025 dnl Option to allow user to override automatic configuration of manpage format.
4026 dnl There are several special cases:
4027 dnl
4028 dnl     gzip - man checks for, can display gzip'd files
4029 dnl     compress - man checks for, can display compressed files
4030 dnl     BSDI - files in the cat-directories are suffixed ".0"
4031 dnl     formatted - installer should format (put files in cat-directory)
4032 dnl     catonly - installer should only format, e.g., for a turnkey system.
4033 dnl
4034 dnl There are other configurations which this macro does not test, e.g., HPUX's
4035 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
4036 dnl convention would not match our use).
4037 AC_DEFUN([CF_MANPAGE_FORMAT],
4038 [
4039 AC_REQUIRE([CF_PATHSEP])
4040 AC_MSG_CHECKING(format of man-pages)
4041
4042 AC_ARG_WITH(manpage-format,
4043         [  --with-manpage-format   specify manpage-format: gzip/compress/BSDI/normal and
4044                           optionally formatted/catonly, e.g., gzip,formatted],
4045         [MANPAGE_FORMAT=$withval],
4046         [MANPAGE_FORMAT=unknown])
4047
4048 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
4049 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
4050
4051 cf_unknown=
4052
4053 case $MANPAGE_FORMAT in
4054 unknown)
4055   if test -z "$MANPATH" ; then
4056     MANPATH="/usr/man:/usr/share/man"
4057   fi
4058
4059   # look for the 'date' man-page (it's most likely to be installed!)
4060   MANPAGE_FORMAT=
4061   cf_preform=no
4062   cf_catonly=yes
4063   cf_example=date
4064
4065   IFS="${IFS:-  }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
4066   for cf_dir in $MANPATH; do
4067     test -z "$cf_dir" && cf_dir=/usr/man
4068     for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
4069     do
4070       cf_test=`echo $cf_name | sed -e 's/*//'`
4071       if test "x$cf_test" = "x$cf_name" ; then
4072
4073         case "$cf_name" in
4074         *.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
4075         *.Z)  MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
4076         *.0)    MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
4077         *)    MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
4078         esac
4079
4080         case "$cf_name" in
4081         $cf_dir/man*)
4082           cf_catonly=no
4083           ;;
4084         $cf_dir/cat*)
4085           cf_preform=yes
4086           ;;
4087         esac
4088         break
4089       fi
4090
4091       # if we found a match in either man* or cat*, stop looking
4092       if test -n "$MANPAGE_FORMAT" ; then
4093         cf_found=no
4094         test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
4095         test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
4096         case "$cf_name" in
4097         $cf_dir/cat*)
4098           cf_found=yes
4099           ;;
4100         esac
4101         test $cf_found=yes && break
4102       fi
4103     done
4104     # only check the first directory in $MANPATH where we find manpages
4105     if test -n "$MANPAGE_FORMAT" ; then
4106        break
4107     fi
4108   done
4109   # if we did not find the example, just assume it is normal
4110   test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
4111   IFS="$ac_save_ifs"
4112   ;;
4113 *)
4114   for cf_option in $MANPAGE_FORMAT; do
4115      case $cf_option in #(vi
4116      gzip|compress|BSDI|normal|formatted|catonly)
4117        ;;
4118      *)
4119        cf_unknown="$cf_unknown $cf_option"
4120        ;;
4121      esac
4122   done
4123   ;;
4124 esac
4125
4126 AC_MSG_RESULT($MANPAGE_FORMAT)
4127 if test -n "$cf_unknown" ; then
4128   AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
4129 fi
4130 ])dnl
4131 dnl ---------------------------------------------------------------------------
4132 dnl CF_MANPAGE_RENAMES version: 7 updated: 2005/06/18 18:51:57
4133 dnl ------------------
4134 dnl The Debian people have their own naming convention for manpages.  This
4135 dnl option lets us override the name of the file containing renaming, or
4136 dnl disable it altogether.
4137 AC_DEFUN([CF_MANPAGE_RENAMES],
4138 [
4139 AC_MSG_CHECKING(for manpage renaming)
4140
4141 AC_ARG_WITH(manpage-renames,
4142         [  --with-manpage-renames  specify manpage-renaming],
4143         [MANPAGE_RENAMES=$withval],
4144         [MANPAGE_RENAMES=yes])
4145
4146 case ".$MANPAGE_RENAMES" in #(vi
4147 .no) #(vi
4148   ;;
4149 .|.yes)
4150   # Debian 'man' program?
4151   if test -f /etc/debian_version ; then
4152     MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
4153   else
4154     MANPAGE_RENAMES=no
4155   fi
4156   ;;
4157 esac
4158
4159 if test "$MANPAGE_RENAMES" != no ; then
4160   if test -f $srcdir/man/$MANPAGE_RENAMES ; then
4161     MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
4162   elif test ! -f $MANPAGE_RENAMES ; then
4163     AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
4164   fi
4165
4166   test ! -d man && mkdir man
4167
4168   # Construct a sed-script to perform renaming within man-pages
4169   if test -n "$MANPAGE_RENAMES" ; then
4170     test ! -d man && mkdir man
4171     sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
4172   fi
4173 fi
4174
4175 AC_MSG_RESULT($MANPAGE_RENAMES)
4176 AC_SUBST(MANPAGE_RENAMES)
4177 ])dnl
4178 dnl ---------------------------------------------------------------------------
4179 dnl CF_MANPAGE_SYMLINKS version: 5 updated: 2010/07/24 17:12:40
4180 dnl -------------------
4181 dnl Some people expect each tool to make all aliases for manpages in the
4182 dnl man-directory.  This accommodates the older, less-capable implementations
4183 dnl of 'man', and is optional.
4184 AC_DEFUN([CF_MANPAGE_SYMLINKS],
4185 [
4186 AC_MSG_CHECKING(if manpage aliases will be installed)
4187
4188 AC_ARG_WITH(manpage-aliases,
4189         [  --with-manpage-aliases  specify manpage-aliases using .so],
4190         [MANPAGE_ALIASES=$withval],
4191         [MANPAGE_ALIASES=yes])
4192
4193 AC_MSG_RESULT($MANPAGE_ALIASES)
4194
4195 case "x$LN_S" in #(vi
4196 xln*) #(vi
4197         cf_use_symlinks=yes
4198         ;;
4199 *)
4200         cf_use_symlinks=no
4201         ;;
4202 esac
4203
4204 MANPAGE_SYMLINKS=no
4205 if test "$MANPAGE_ALIASES" = yes ; then
4206 AC_MSG_CHECKING(if manpage symlinks should be used)
4207
4208 AC_ARG_WITH(manpage-symlinks,
4209         [  --with-manpage-symlinks specify manpage-aliases using symlinks],
4210         [MANPAGE_SYMLINKS=$withval],
4211         [MANPAGE_SYMLINKS=$cf_use_symlinks])
4212
4213 if test "$$cf_use_symlinks" = no; then
4214 if test "$MANPAGE_SYMLINKS" = yes ; then
4215         AC_MSG_WARN(cannot make symlinks, will use .so files)
4216         MANPAGE_SYMLINKS=no
4217 fi
4218 fi
4219
4220 AC_MSG_RESULT($MANPAGE_SYMLINKS)
4221 fi
4222
4223 ])dnl
4224 dnl ---------------------------------------------------------------------------
4225 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
4226 dnl --------------
4227 dnl This option causes manpages to be run through tbl(1) to generate tables
4228 dnl correctly.
4229 AC_DEFUN([CF_MANPAGE_TBL],
4230 [
4231 AC_MSG_CHECKING(for manpage tbl)
4232
4233 AC_ARG_WITH(manpage-tbl,
4234         [  --with-manpage-tbl      specify manpage processing with tbl],
4235         [MANPAGE_TBL=$withval],
4236         [MANPAGE_TBL=no])
4237
4238 AC_MSG_RESULT($MANPAGE_TBL)
4239 ])dnl
4240 dnl ---------------------------------------------------------------------------
4241 dnl CF_MAN_PAGES version: 43 updated: 2013/02/09 12:53:45
4242 dnl ------------
4243 dnl Try to determine if the man-pages on the system are compressed, and if
4244 dnl so, what format is used.  Use this information to construct a script that
4245 dnl will install man-pages.
4246 AC_DEFUN([CF_MAN_PAGES],
4247 [
4248 CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
4249 CF_MANPAGE_FORMAT
4250 CF_MANPAGE_RENAMES
4251 CF_MANPAGE_SYMLINKS
4252 CF_MANPAGE_TBL
4253
4254   if test "$prefix" = "NONE" ; then
4255      cf_prefix="$ac_default_prefix"
4256   else
4257      cf_prefix="$prefix"
4258   fi
4259
4260   case "$MANPAGE_FORMAT" in # (vi
4261   *catonly*) # (vi
4262     cf_format=yes
4263     cf_inboth=no
4264     ;;
4265   *formatted*) # (vi
4266     cf_format=yes
4267     cf_inboth=yes
4268     ;;
4269   *)
4270     cf_format=no
4271     cf_inboth=no
4272     ;;
4273   esac
4274
4275 test ! -d man && mkdir man
4276
4277 cf_so_strip=
4278 cf_compress=
4279 case "$MANPAGE_FORMAT" in #(vi
4280 *compress*) #(vi
4281         cf_so_strip="Z"
4282         cf_compress=compress
4283   ;;
4284 *gzip*)
4285         cf_so_strip="gz"
4286         cf_compress=gzip
4287   ;;
4288 esac
4289
4290 cf_edit_man=./edit_man.sh
4291 cf_man_alias=`pwd`/man_alias.sed
4292
4293 cat >$cf_edit_man <<CF_EOF
4294 #! /bin/sh
4295 # this script is generated by the configure-script CF_MAN_PAGES macro.
4296
4297 prefix="$cf_prefix"
4298 datarootdir="$datarootdir"
4299 datadir="$datadir"
4300
4301 NCURSES_MAJOR="$NCURSES_MAJOR"
4302 NCURSES_MINOR="$NCURSES_MINOR"
4303 NCURSES_PATCH="$NCURSES_PATCH"
4304
4305 NCURSES_OSPEED="$NCURSES_OSPEED"
4306 TERMINFO="$TERMINFO"
4307
4308 INSTALL="$INSTALL"
4309 INSTALL_DATA="$INSTALL_DATA"
4310
4311 transform="$program_transform_name"
4312
4313 TMP=\${TMPDIR:=/tmp}/man\$\$
4314 trap "rm -f \$TMP" 0 1 2 5 15
4315
4316 form=\[$]1
4317 shift || exit 1
4318
4319 verb=\[$]1
4320 shift || exit 1
4321
4322 mandir=\[$]1
4323 shift || exit 1
4324
4325 srcdir=\[$]1
4326 top_srcdir=\[$]srcdir/..
4327 shift || exit 1
4328
4329 if test "\$form" = normal ; then
4330         if test "$cf_format" = yes ; then
4331         if test "$cf_inboth" = no ; then
4332                 sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4333                 exit $?
4334         fi
4335         fi
4336         cf_subdir=\$mandir/man
4337         cf_tables=$MANPAGE_TBL
4338 else
4339         cf_subdir=\$mandir/cat
4340         cf_tables=yes
4341 fi
4342
4343 # process the list of source-files
4344 for i in \[$]* ; do
4345 case \$i in #(vi
4346 *.orig|*.rej) ;; #(vi
4347 *.[[0-9]]*)
4348         section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
4349         if test \$verb = installing ; then
4350         if test ! -d \$cf_subdir\${section} ; then
4351                 mkdir -p \$cf_subdir\$section
4352         fi
4353         fi
4354
4355         # replace variables in man page
4356         if test ! -f $cf_man_alias ; then
4357 cat >>$cf_man_alias <<-CF_EOF2
4358                 s,@DATADIR@,\$datadir,g
4359                 s,@TERMINFO@,\${TERMINFO:="no default value"},g
4360                 s,@TERMINFO_DIRS@,\${TERMINFO_DIRS:="no default value"},g
4361                 s,@NCURSES_MAJOR@,\${NCURSES_MAJOR:="no default value"},g
4362                 s,@NCURSES_MINOR@,\${NCURSES_MINOR:="no default value"},g
4363                 s,@NCURSES_PATCH@,\${NCURSES_PATCH:="no default value"},g
4364                 s,@NCURSES_OSPEED@,\${NCURSES_OSPEED:="no default value"},g
4365 CF_EOF
4366         ifelse($1,,,[
4367         for cf_name in $1
4368         do
4369                 cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4370                 cf_name=`echo $cf_name|sed "$program_transform_name"`
4371 cat >>$cf_edit_man <<-CF_EOF
4372                 s,@$cf_NAME@,$cf_name,g
4373 CF_EOF
4374         done
4375         ])
4376 cat >>$cf_edit_man <<CF_EOF
4377 CF_EOF2
4378                 echo "...made $cf_man_alias"
4379         fi
4380
4381         aliases=
4382         cf_source=\`basename \$i\`
4383         inalias=\$cf_source
4384         test ! -f \$inalias && inalias="\$srcdir/\$inalias"
4385         if test ! -f \$inalias ; then
4386                 echo .. skipped \$cf_source
4387                 continue
4388         fi
4389 CF_EOF
4390
4391 if test "$MANPAGE_ALIASES" != no ; then
4392 cat >>$cf_edit_man <<CF_EOF
4393         nCurses=ignore.3x
4394         test $with_curses_h = yes && nCurses=ncurses.3x
4395         aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u; test \$inalias = \$nCurses && echo curses\`
4396 CF_EOF
4397 fi
4398
4399 if test "$MANPAGE_RENAMES" = no ; then
4400 cat >>$cf_edit_man <<CF_EOF
4401         # perform program transformations for section 1 man pages
4402         if test \$section = 1 ; then
4403                 cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
4404         else
4405                 cf_target=\$cf_subdir\${section}/\$cf_source
4406         fi
4407 CF_EOF
4408 else
4409 cat >>$cf_edit_man <<CF_EOF
4410         cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
4411         if test -z "\$cf_target" ; then
4412                 echo '? missing rename for '\$cf_source
4413                 cf_target="\$cf_source"
4414         fi
4415         cf_target="\$cf_subdir\${section}/\${cf_target}"
4416
4417 CF_EOF
4418 fi
4419
4420 cat >>$cf_edit_man <<CF_EOF
4421         sed     -f $cf_man_alias \\
4422 CF_EOF
4423
4424 if test -f $MANPAGE_RENAMES ; then
4425 cat >>$cf_edit_man <<CF_EOF
4426                 < \$i | sed -f `pwd`/edit_man.sed >\$TMP
4427 CF_EOF
4428 else
4429 cat >>$cf_edit_man <<CF_EOF
4430                 < \$i >\$TMP
4431 CF_EOF
4432 fi
4433
4434 cat >>$cf_edit_man <<CF_EOF
4435 if test \$cf_tables = yes ; then
4436         tbl \$TMP >\$TMP.out
4437         mv \$TMP.out \$TMP
4438 fi
4439 CF_EOF
4440
4441 if test $with_overwrite != yes ; then
4442 cat >>$cf_edit_man <<CF_EOF
4443         sed -e "/\#[    ]*include/s,<curses.h,<ncurses$LIB_SUFFIX/curses.h," < \$TMP >\$TMP.out
4444         mv \$TMP.out \$TMP
4445 CF_EOF
4446 fi
4447
4448 if test $with_curses_h != yes ; then
4449 cat >>$cf_edit_man <<CF_EOF
4450         sed -e "/\#[    ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
4451         mv \$TMP.out \$TMP
4452 CF_EOF
4453 fi
4454
4455 cat >>$cf_edit_man <<CF_EOF
4456         if test \$form = format ; then
4457                 nroff -man \$TMP >\$TMP.out
4458                 mv \$TMP.out \$TMP
4459         fi
4460 CF_EOF
4461
4462 if test -n "$cf_compress" ; then
4463 cat >>$cf_edit_man <<CF_EOF
4464         if test \$verb = installing ; then
4465         if ( $cf_compress -f \$TMP )
4466         then
4467                 mv \$TMP.$cf_so_strip \$TMP
4468         fi
4469         fi
4470         cf_target="\$cf_target.$cf_so_strip"
4471 CF_EOF
4472 fi
4473
4474 case "$MANPAGE_FORMAT" in #(vi
4475 *BSDI*)
4476 cat >>$cf_edit_man <<CF_EOF
4477         if test \$form = format ; then
4478                 # BSDI installs only .0 suffixes in the cat directories
4479                 cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
4480         fi
4481 CF_EOF
4482   ;;
4483 esac
4484
4485 cat >>$cf_edit_man <<CF_EOF
4486         suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
4487         if test \$verb = installing ; then
4488                 echo \$verb \$cf_target
4489                 \$INSTALL_DATA \$TMP \$cf_target
4490                 test -d \$cf_subdir\${section} &&
4491                 test -n "\$aliases" && (
4492                         cd \$cf_subdir\${section} && (
4493                                 cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
4494                                 test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
4495                                 cf_target=\`basename \$cf_target\`
4496                                 for cf_alias in \$aliases
4497                                 do
4498                                         if test \$section = 1 ; then
4499                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4500                                         fi
4501
4502                                         if test "$MANPAGE_SYMLINKS" = yes ; then
4503                                                 if test -f \$cf_alias\${suffix} ; then
4504                                                         if ( cmp -s \$cf_target \$cf_alias\${suffix} )
4505                                                         then
4506                                                                 continue
4507                                                         fi
4508                                                 fi
4509                                                 echo .. \$verb alias \$cf_alias\${suffix}
4510 CF_EOF
4511 case "x$LN_S" in #(vi
4512 *-f) #(vi
4513 cat >>$cf_edit_man <<CF_EOF
4514                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4515 CF_EOF
4516         ;;
4517 *)
4518 cat >>$cf_edit_man <<CF_EOF
4519                                                 rm -f \$cf_alias\${suffix}
4520                                                 $LN_S \$cf_target \$cf_alias\${suffix}
4521 CF_EOF
4522         ;;
4523 esac
4524 cat >>$cf_edit_man <<CF_EOF
4525                                         elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
4526                                                 echo ".so \$cf_source" >\$TMP
4527 CF_EOF
4528 if test -n "$cf_compress" ; then
4529 cat >>$cf_edit_man <<CF_EOF
4530                                                 if test -n "$cf_so_strip" ; then
4531                                                         $cf_compress -f \$TMP
4532                                                         mv \$TMP.$cf_so_strip \$TMP
4533                                                 fi
4534 CF_EOF
4535 fi
4536 cat >>$cf_edit_man <<CF_EOF
4537                                                 echo .. \$verb alias \$cf_alias\${suffix}
4538                                                 rm -f \$cf_alias\${suffix}
4539                                                 \$INSTALL_DATA \$TMP \$cf_alias\${suffix}
4540                                         fi
4541                                 done
4542                         )
4543                 )
4544         elif test \$verb = removing ; then
4545                 test -f \$cf_target && (
4546                         echo \$verb \$cf_target
4547                         rm -f \$cf_target
4548                 )
4549                 test -d \$cf_subdir\${section} &&
4550                 test -n "\$aliases" && (
4551                         cd \$cf_subdir\${section} && (
4552                                 for cf_alias in \$aliases
4553                                 do
4554                                         if test \$section = 1 ; then
4555                                                 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4556                                         fi
4557
4558                                         echo .. \$verb alias \$cf_alias\${suffix}
4559                                         rm -f \$cf_alias\${suffix}
4560                                 done
4561                         )
4562                 )
4563         else
4564 #               echo ".hy 0"
4565                 cat \$TMP
4566         fi
4567         ;;
4568 esac
4569 done
4570
4571 if test $cf_inboth = yes ; then
4572 if test \$form != format ; then
4573         sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4574 fi
4575 fi
4576
4577 exit 0
4578 CF_EOF
4579 chmod 755 $cf_edit_man
4580
4581 ])dnl
4582 dnl ---------------------------------------------------------------------------
4583 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
4584 dnl -----------
4585 dnl Checks for libraries.  At least one UNIX system, Apple Macintosh
4586 dnl Rhapsody 5.5, does not have -lm.  We cannot use the simpler
4587 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
4588 AC_DEFUN([CF_MATH_LIB],
4589 [
4590 AC_CACHE_CHECK(if -lm needed for math functions,
4591         cf_cv_need_libm,[
4592         AC_TRY_LINK([
4593         #include <stdio.h>
4594         #include <math.h>
4595         ],
4596         [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
4597         [cf_cv_need_libm=no],
4598         [cf_cv_need_libm=yes])])
4599 if test "$cf_cv_need_libm" = yes
4600 then
4601 ifelse($1,,[
4602         CF_ADD_LIB(m)
4603 ],[$1=-lm])
4604 fi
4605 ])
4606 dnl ---------------------------------------------------------------------------
4607 dnl CF_MIXEDCASE_FILENAMES version: 6 updated: 2013/10/08 17:47:05
4608 dnl ----------------------
4609 dnl Check if the file-system supports mixed-case filenames.  If we're able to
4610 dnl create a lowercase name and see it as uppercase, it doesn't support that.
4611 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
4612 [
4613 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
4614 if test "$cross_compiling" = yes ; then
4615         case $target_alias in #(vi
4616         *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*) #(vi
4617                 cf_cv_mixedcase=no
4618                 ;;
4619         *)
4620                 cf_cv_mixedcase=yes
4621                 ;;
4622         esac
4623 else
4624         rm -f conftest CONFTEST
4625         echo test >conftest
4626         if test -f CONFTEST ; then
4627                 cf_cv_mixedcase=no
4628         else
4629                 cf_cv_mixedcase=yes
4630         fi
4631         rm -f conftest CONFTEST
4632 fi
4633 ])
4634 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
4635 ])dnl
4636 dnl ---------------------------------------------------------------------------
4637 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
4638 dnl ----------
4639 dnl Check for a working mkstemp.  This creates two files, checks that they are
4640 dnl successfully created and distinct (AmigaOS apparently fails on the last).
4641 AC_DEFUN([CF_MKSTEMP],[
4642 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
4643 rm -rf conftest*
4644 AC_TRY_RUN([
4645 #include <sys/types.h>
4646 #include <stdlib.h>
4647 #include <stdio.h>
4648 #include <string.h>
4649 #include <sys/stat.h>
4650 int main()
4651 {
4652         char *tmpl = "conftestXXXXXX";
4653         char name[2][80];
4654         int n;
4655         int result = 0;
4656         int fd;
4657         struct stat sb;
4658
4659         umask(077);
4660         for (n = 0; n < 2; ++n) {
4661                 strcpy(name[n], tmpl);
4662                 if ((fd = mkstemp(name[n])) >= 0) {
4663                         if (!strcmp(name[n], tmpl)
4664                          || stat(name[n], &sb) != 0
4665                          || (sb.st_mode & S_IFMT) != S_IFREG
4666                          || (sb.st_mode & 077) != 0) {
4667                                 result = 1;
4668                         }
4669                         close(fd);
4670                 }
4671         }
4672         if (result == 0
4673          && !strcmp(name[0], name[1]))
4674                 result = 1;
4675         ${cf_cv_main_return:-return}(result);
4676 }
4677 ],[cf_cv_func_mkstemp=yes
4678 ],[cf_cv_func_mkstemp=no
4679 ],[cf_cv_func_mkstemp=maybe])
4680 ])
4681 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
4682         AC_CHECK_FUNC(mkstemp)
4683 fi
4684 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
4685         AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
4686 fi
4687 ])dnl
4688 dnl ---------------------------------------------------------------------------
4689 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
4690 dnl ----------
4691 dnl Write a debug message to config.log, along with the line number in the
4692 dnl configure script.
4693 AC_DEFUN([CF_MSG_LOG],[
4694 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
4695 ])dnl
4696 dnl ---------------------------------------------------------------------------
4697 dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49
4698 dnl ----------------
4699 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
4700 dnl warn about this.
4701 AC_DEFUN([CF_NCURSES_ABI_6],[
4702 if test "${with_abi_version+set}" != set; then
4703         case $cf_cv_rel_version in
4704         5.*)
4705                 cf_cv_rel_version=6.0
4706                 cf_cv_abi_version=6
4707                 AC_MSG_WARN(Overriding ABI version to $cf_cv_abi_version)
4708                 ;;
4709         esac
4710 fi
4711 ])dnl
4712 dnl ---------------------------------------------------------------------------
4713 dnl CF_NO_LEAKS_OPTION version: 5 updated: 2012/10/02 20:55:03
4714 dnl ------------------
4715 dnl see CF_WITH_NO_LEAKS
4716 AC_DEFUN([CF_NO_LEAKS_OPTION],[
4717 AC_MSG_CHECKING(if you want to use $1 for testing)
4718 AC_ARG_WITH($1,
4719         [$2],
4720         [AC_DEFINE_UNQUOTED($3,1,"Define to 1 if you want to use $1 for testing.")ifelse([$4],,[
4721          $4
4722 ])
4723         : ${with_cflags:=-g}
4724         : ${with_no_leaks:=yes}
4725          with_$1=yes],
4726         [with_$1=])
4727 AC_MSG_RESULT(${with_$1:-no})
4728
4729 case .$with_cflags in #(vi
4730 .*-g*)
4731         case .$CFLAGS in #(vi
4732         .*-g*) #(vi
4733                 ;;
4734         *)
4735                 CF_ADD_CFLAGS([-g])
4736                 ;;
4737         esac
4738         ;;
4739 esac
4740 ])dnl
4741 dnl ---------------------------------------------------------------------------
4742 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
4743 dnl ----------------
4744 dnl Check if the given variable is a number.  If not, report an error.
4745 dnl $1 is the variable
4746 dnl $2 is the message
4747 AC_DEFUN([CF_NUMBER_SYNTAX],[
4748 if test -n "$1" ; then
4749   case $1 in #(vi
4750   [[0-9]]*) #(vi
4751         ;;
4752   *)
4753         AC_MSG_ERROR($2 is not a number: $1)
4754         ;;
4755   esac
4756 else
4757   AC_MSG_ERROR($2 value is empty)
4758 fi
4759 ])dnl
4760 dnl ---------------------------------------------------------------------------
4761 dnl CF_OBJ_SUBDIR version: 6 updated: 2013/09/07 14:06:10
4762 dnl -------------
4763 dnl Compute the object-directory name from the given model name
4764 AC_DEFUN([CF_OBJ_SUBDIR],
4765 [
4766         case $1 in
4767         libtool) $2='obj_lo'  ;;
4768         normal)  $2='objects' ;;
4769         debug)   $2='obj_g' ;;
4770         profile) $2='obj_p' ;;
4771         shared)
4772                 case $cf_cv_system_name in #(vi
4773                 cygwin|msys) #(vi
4774                         $2='objects' ;;
4775                 *)
4776                         $2='obj_s' ;;
4777                 esac
4778         esac
4779 ])dnl
4780 dnl ---------------------------------------------------------------------------
4781 dnl CF_PATHSEP version: 6 updated: 2012/09/29 18:38:12
4782 dnl ----------
4783 dnl Provide a value for the $PATH and similar separator (or amend the value
4784 dnl as provided in autoconf 2.5x).
4785 AC_DEFUN([CF_PATHSEP],
4786 [
4787         AC_MSG_CHECKING(for PATH separator)
4788         case $cf_cv_system_name in
4789         os2*)   PATH_SEPARATOR=';'  ;;
4790         *)      ${PATH_SEPARATOR:=':'}  ;;
4791         esac
4792 ifelse([$1],,,[$1=$PATH_SEPARATOR])
4793         AC_SUBST(PATH_SEPARATOR)
4794         AC_MSG_RESULT($PATH_SEPARATOR)
4795 ])dnl
4796 dnl ---------------------------------------------------------------------------
4797 dnl CF_PATH_SYNTAX version: 14 updated: 2012/06/19 20:58:54
4798 dnl --------------
4799 dnl Check the argument to see that it looks like a pathname.  Rewrite it if it
4800 dnl begins with one of the prefix/exec_prefix variables, and then again if the
4801 dnl result begins with 'NONE'.  This is necessary to work around autoconf's
4802 dnl delayed evaluation of those symbols.
4803 AC_DEFUN([CF_PATH_SYNTAX],[
4804 if test "x$prefix" != xNONE; then
4805   cf_path_syntax="$prefix"
4806 else
4807   cf_path_syntax="$ac_default_prefix"
4808 fi
4809
4810 case ".[$]$1" in #(vi
4811 .\[$]\(*\)*|.\'*\'*) #(vi
4812   ;;
4813 ..|./*|.\\*) #(vi
4814   ;;
4815 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
4816   ;;
4817 .\[$]{*prefix}*|.\[$]{*dir}*) #(vi
4818   eval $1="[$]$1"
4819   case ".[$]$1" in #(vi
4820   .NONE/*)
4821     $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4822     ;;
4823   esac
4824   ;; #(vi
4825 .no|.NONE/*)
4826   $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4827   ;;
4828 *)
4829   ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
4830   ;;
4831 esac
4832 ])dnl
4833 dnl ---------------------------------------------------------------------------
4834 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
4835 dnl -------------
4836 dnl Check for the package-config program, unless disabled by command-line.
4837 AC_DEFUN([CF_PKG_CONFIG],
4838 [
4839 AC_MSG_CHECKING(if you want to use pkg-config)
4840 AC_ARG_WITH(pkg-config,
4841         [  --with-pkg-config{=path} enable/disable use of pkg-config],
4842         [cf_pkg_config=$withval],
4843         [cf_pkg_config=yes])
4844 AC_MSG_RESULT($cf_pkg_config)
4845
4846 case $cf_pkg_config in #(vi
4847 no) #(vi
4848         PKG_CONFIG=none
4849         ;;
4850 yes) #(vi
4851         CF_ACVERSION_CHECK(2.52,
4852                 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
4853                 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
4854         ;;
4855 *)
4856         PKG_CONFIG=$withval
4857         ;;
4858 esac
4859
4860 test -z "$PKG_CONFIG" && PKG_CONFIG=none
4861 if test "$PKG_CONFIG" != none ; then
4862         CF_PATH_SYNTAX(PKG_CONFIG)
4863 fi
4864
4865 AC_SUBST(PKG_CONFIG)
4866 ])dnl
4867 dnl ---------------------------------------------------------------------------
4868 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
4869 dnl -----------------
4870 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
4871 dnl
4872 dnl     POSIX.1-1990                            _POSIX_SOURCE
4873 dnl     POSIX.1-1990 and                        _POSIX_SOURCE and
4874 dnl             POSIX.2-1992 C-Language                 _POSIX_C_SOURCE=2
4875 dnl             Bindings Option
4876 dnl     POSIX.1b-1993                           _POSIX_C_SOURCE=199309L
4877 dnl     POSIX.1c-1996                           _POSIX_C_SOURCE=199506L
4878 dnl     X/Open 2000                             _POSIX_C_SOURCE=200112L
4879 dnl
4880 dnl Parameters:
4881 dnl     $1 is the nominal value for _POSIX_C_SOURCE
4882 AC_DEFUN([CF_POSIX_C_SOURCE],
4883 [
4884 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
4885
4886 cf_save_CFLAGS="$CFLAGS"
4887 cf_save_CPPFLAGS="$CPPFLAGS"
4888
4889 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
4890 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
4891
4892 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
4893         CF_MSG_LOG(if the symbol is already defined go no further)
4894         AC_TRY_COMPILE([#include <sys/types.h>],[
4895 #ifndef _POSIX_C_SOURCE
4896 make an error
4897 #endif],
4898         [cf_cv_posix_c_source=no],
4899         [cf_want_posix_source=no
4900          case .$cf_POSIX_C_SOURCE in #(vi
4901          .[[12]]??*) #(vi
4902                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4903                 ;;
4904          .2) #(vi
4905                 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4906                 cf_want_posix_source=yes
4907                 ;;
4908          .*)
4909                 cf_want_posix_source=yes
4910                 ;;
4911          esac
4912          if test "$cf_want_posix_source" = yes ; then
4913                 AC_TRY_COMPILE([#include <sys/types.h>],[
4914 #ifdef _POSIX_SOURCE
4915 make an error
4916 #endif],[],
4917                 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
4918          fi
4919          CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
4920          CFLAGS="$cf_trim_CFLAGS"
4921          CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
4922          CF_MSG_LOG(if the second compile does not leave our definition intact error)
4923          AC_TRY_COMPILE([#include <sys/types.h>],[
4924 #ifndef _POSIX_C_SOURCE
4925 make an error
4926 #endif],,
4927          [cf_cv_posix_c_source=no])
4928          CFLAGS="$cf_save_CFLAGS"
4929          CPPFLAGS="$cf_save_CPPFLAGS"
4930         ])
4931 ])
4932
4933 if test "$cf_cv_posix_c_source" != no ; then
4934         CFLAGS="$cf_trim_CFLAGS"
4935         CPPFLAGS="$cf_trim_CPPFLAGS"
4936         CF_ADD_CFLAGS($cf_cv_posix_c_source)
4937 fi
4938
4939 ])dnl
4940 dnl ---------------------------------------------------------------------------
4941 dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
4942 dnl ------------
4943 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
4944 dnl
4945 dnl $1 = symbol to test
4946 dnl $2 = value (if any) to use for a predefinition
4947 AC_DEFUN([CF_PREDEFINE],
4948 [
4949 AC_MSG_CHECKING(if we must define $1)
4950 AC_TRY_COMPILE([#include <sys/types.h>
4951 ],[
4952 #ifndef $1
4953 make an error
4954 #endif],[cf_result=no],[cf_result=yes])
4955 AC_MSG_RESULT($cf_result)
4956
4957 if test "$cf_result" = yes ; then
4958         CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
4959 elif test "x$2" != "x" ; then
4960         AC_MSG_CHECKING(checking for compatible value versus $2)
4961         AC_TRY_COMPILE([#include <sys/types.h>
4962 ],[
4963 #if $1-$2 < 0
4964 make an error
4965 #endif],[cf_result=yes],[cf_result=no])
4966         AC_MSG_RESULT($cf_result)
4967         if test "$cf_result" = no ; then
4968                 # perhaps we can override it - try...
4969                 CPPFLAGS="$CPPFLAGS -D$1=$2"
4970         fi
4971 fi
4972 ])dnl
4973 dnl ---------------------------------------------------------------------------
4974 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
4975 dnl ------------
4976 dnl Append definitions and rules for the given programs to the subdirectory
4977 dnl Makefiles, and the recursion rule for the top-level Makefile.
4978 dnl
4979 dnl parameters
4980 dnl     $1 = script to run
4981 dnl     $2 = list of subdirectories
4982 dnl
4983 dnl variables
4984 dnl     $AWK
4985 AC_DEFUN([CF_PRG_RULES],
4986 [
4987 for cf_dir in $2
4988 do
4989         if test ! -d $srcdir/$cf_dir; then
4990                 continue
4991         elif test -f $srcdir/$cf_dir/programs; then
4992                 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
4993         fi
4994 done
4995
4996 ])dnl
4997 dnl ---------------------------------------------------------------------------
4998 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
4999 dnl ----------
5000 dnl Check for archiver "ar".
5001 AC_DEFUN([CF_PROG_AR],[
5002 AC_CHECK_TOOL(AR, ar, ar)
5003 ])
5004 dnl ---------------------------------------------------------------------------
5005 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
5006 dnl -----------
5007 dnl Check for awk, ensure that the check found something.
5008 AC_DEFUN([CF_PROG_AWK],
5009 [
5010 AC_PROG_AWK
5011 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
5012 ])dnl
5013 dnl ---------------------------------------------------------------------------
5014 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
5015 dnl ----------
5016 dnl standard check for CC, plus followup sanity checks
5017 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
5018 AC_DEFUN([CF_PROG_CC],[
5019 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
5020 CF_GCC_VERSION
5021 CF_ACVERSION_CHECK(2.52,
5022         [AC_PROG_CC_STDC],
5023         [CF_ANSI_CC_REQD])
5024 CF_CC_ENV_FLAGS
5025 ])dnl
5026 dnl ---------------------------------------------------------------------------
5027 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
5028 dnl --------------
5029 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
5030 dnl the output file can be renamed, and allows for a shell variable that can
5031 dnl be used later.  The parameter is either CC or CXX.  The result is the
5032 dnl cache variable:
5033 dnl     $cf_cv_prog_CC_c_o
5034 dnl     $cf_cv_prog_CXX_c_o
5035 AC_DEFUN([CF_PROG_CC_C_O],
5036 [AC_REQUIRE([AC_PROG_CC])dnl
5037 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
5038 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
5039 [
5040 cat > conftest.$ac_ext <<CF_EOF
5041 #include <stdio.h>
5042 int main()
5043 {
5044         ${cf_cv_main_return:-return}(0);
5045 }
5046 CF_EOF
5047 # We do the test twice because some compilers refuse to overwrite an
5048 # existing .o file with -o, though they will create one.
5049 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
5050 if AC_TRY_EVAL(ac_try) &&
5051   test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
5052 then
5053   eval cf_cv_prog_$1_c_o=yes
5054 else
5055   eval cf_cv_prog_$1_c_o=no
5056 fi
5057 rm -rf conftest*
5058 ])dnl
5059 if test $cf_cv_prog_$1_c_o = yes; then
5060   AC_MSG_RESULT([yes])
5061 else
5062   AC_MSG_RESULT([no])
5063 fi
5064 ])dnl
5065 dnl ---------------------------------------------------------------------------
5066 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
5067 dnl -------------
5068 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
5069 dnl This macro adds a check to ensure the script found something.
5070 AC_DEFUN([CF_PROG_EGREP],
5071 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
5072    [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
5073     then ac_cv_prog_egrep='grep -E'
5074     else ac_cv_prog_egrep='egrep'
5075     fi])
5076  EGREP=$ac_cv_prog_egrep
5077  AC_SUBST([EGREP])
5078 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
5079 ])dnl
5080 dnl ---------------------------------------------------------------------------
5081 dnl CF_PROG_GNAT version: 2 updated: 2011/10/22 14:01:47
5082 dnl ------------
5083 dnl Check for gnatmake, ensure that it is complete.
5084 AC_DEFUN([CF_PROG_GNAT],[
5085 cf_ada_make=gnatmake
5086 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
5087 if test "$ac_cv_prog_gnat_exists" = no; then
5088    cf_ada_make=
5089    cf_cv_prog_gnat_correct=no
5090 else
5091    CF_GNAT_VERSION
5092    AC_CHECK_PROG(M4_exists, m4, yes, no)
5093    if test "$ac_cv_prog_M4_exists" = no; then
5094       cf_cv_prog_gnat_correct=no
5095       echo Ada95 binding required program m4 not found. Ada95 binding disabled.
5096    fi
5097    if test "$cf_cv_prog_gnat_correct" = yes; then
5098       AC_MSG_CHECKING(if GNAT works)
5099       CF_GNAT_TRY_RUN([procedure conftest;],
5100 [with Text_IO;
5101 with GNAT.OS_Lib;
5102 procedure conftest is
5103 begin
5104    Text_IO.Put ("Hello World");
5105    Text_IO.New_Line;
5106    GNAT.OS_Lib.OS_Exit (0);
5107 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
5108       AC_MSG_RESULT($cf_cv_prog_gnat_correct)
5109    fi
5110 fi
5111
5112 AC_SUBST(cf_ada_make)
5113 ])dnl
5114 dnl ---------------------------------------------------------------------------
5115 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
5116 dnl ---------------
5117 dnl Force $INSTALL to be an absolute-path.  Otherwise, edit_man.sh and the
5118 dnl misc/tabset install won't work properly.  Usually this happens only when
5119 dnl using the fallback mkinstalldirs script
5120 AC_DEFUN([CF_PROG_INSTALL],
5121 [AC_PROG_INSTALL
5122 case $INSTALL in
5123 /*)
5124   ;;
5125 *)
5126   CF_DIRNAME(cf_dir,$INSTALL)
5127   test -z "$cf_dir" && cf_dir=.
5128   INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
5129   ;;
5130 esac
5131 ])dnl
5132 dnl ---------------------------------------------------------------------------
5133 dnl CF_PROG_LDCONFIG version: 3 updated: 2011/06/04 20:09:13
5134 dnl ----------------
5135 dnl Check for ldconfig, needed to fixup shared libraries that would be built
5136 dnl and then used in the install.
5137 AC_DEFUN([CF_PROG_LDCONFIG],[
5138 if test "$cross_compiling" = yes ; then
5139   LDCONFIG=:
5140 else
5141 case "$cf_cv_system_name" in #(vi
5142 dragonfly*|mirbsd*|freebsd*) #(vi
5143   test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
5144   ;;
5145 *) LDPATH=$PATH:/sbin:/usr/sbin
5146   AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
5147   ;;
5148 esac
5149 fi
5150 AC_SUBST(LDCONFIG)
5151 ])dnl
5152 dnl ---------------------------------------------------------------------------
5153 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
5154 dnl ------------
5155 AC_DEFUN([CF_PROG_LINT],
5156 [
5157 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
5158 AC_SUBST(LINT_OPTS)
5159 ])dnl
5160 dnl ---------------------------------------------------------------------------
5161 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
5162 dnl ------------
5163 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
5164 dnl option if it is supported.
5165 AC_DEFUN([CF_PROG_LN_S],[
5166 AC_PROG_LN_S
5167 AC_MSG_CHECKING(if $LN_S -f options work)
5168
5169 rm -f conf$$.src conf$$dst
5170 echo >conf$$.dst
5171 echo first >conf$$.src
5172 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
5173         cf_prog_ln_sf=yes
5174 else
5175         cf_prog_ln_sf=no
5176 fi
5177 rm -f conf$$.dst conf$$src
5178 AC_MSG_RESULT($cf_prog_ln_sf)
5179
5180 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
5181 ])dnl
5182 dnl ---------------------------------------------------------------------------
5183 dnl CF_REGEX version: 10 updated: 2012/10/04 20:12:20
5184 dnl --------
5185 dnl Attempt to determine if we've got one of the flavors of regular-expression
5186 dnl code that we can support.
5187 AC_DEFUN([CF_REGEX],
5188 [
5189
5190 cf_regex_func=no
5191
5192 cf_regex_libs="regex re"
5193 case $host_os in #(vi
5194 mingw*)
5195         cf_regex_libs="gnurx $cf_regex_libs"
5196         ;;
5197 esac
5198
5199 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
5200         for cf_regex_lib in $cf_regex_libs
5201         do
5202                 AC_CHECK_LIB($cf_regex_lib,regcomp,[
5203                                 CF_ADD_LIB($cf_regex_lib)
5204                                 cf_regex_func=regcomp
5205                                 break])
5206         done
5207 ])
5208
5209 if test "$cf_regex_func" = no ; then
5210         AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
5211                 AC_CHECK_LIB(gen,compile,[
5212                                 CF_ADD_LIB(gen)
5213                                 cf_regex_func=compile])])
5214 fi
5215
5216 if test "$cf_regex_func" = no ; then
5217         AC_MSG_WARN(cannot find regular expression library)
5218 fi
5219
5220 AC_CACHE_CHECK(for regular-expression headers,cf_cv_regex_hdrs,[
5221
5222 cf_cv_regex_hdrs=no
5223 case $cf_regex_func in #(vi
5224 compile) #(vi
5225         for cf_regex_hdr in regexp.h regexpr.h
5226         do
5227                 AC_TRY_LINK([#include <$cf_regex_hdr>],[
5228                         char *p = compile("", "", "", 0);
5229                         int x = step("", "");
5230                 ],[
5231                         cf_cv_regex_hdrs=$cf_regex_hdr
5232                         break
5233                 ])
5234         done
5235         ;;
5236 *)
5237         for cf_regex_hdr in regex.h
5238         do
5239                 AC_TRY_LINK([#include <sys/types.h>
5240 #include <$cf_regex_hdr>],[
5241                         regex_t *p;
5242                         int x = regcomp(p, "", 0);
5243                         int y = regexec(p, "", 0, 0, 0);
5244                         regfree(p);
5245                 ],[
5246                         cf_cv_regex_hdrs=$cf_regex_hdr
5247                         break
5248                 ])
5249         done
5250         ;;
5251 esac
5252
5253 ])
5254
5255 case $cf_cv_regex_hdrs in #(vi
5256     no)        AC_MSG_WARN(no regular expression header found) ;; #(vi
5257     regex.h)   AC_DEFINE(HAVE_REGEX_H_FUNCS,1,[Define to 1 to include regex.h for regular expressions]) ;; #(vi
5258     regexp.h)  AC_DEFINE(HAVE_REGEXP_H_FUNCS,1,[Define to 1 to include regexp.h for regular expressions]) ;; #(vi
5259     regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS,1,[Define to 1 to include regexpr.h for regular expressions]) ;;
5260 esac
5261 ])dnl
5262 dnl ---------------------------------------------------------------------------
5263 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
5264 dnl ----------------
5265 dnl Remove all -U and -D options that refer to the given symbol from a list
5266 dnl of C compiler options.  This works around the problem that not all
5267 dnl compilers process -U and -D options from left-to-right, so a -U option
5268 dnl cannot be used to cancel the effect of a preceding -D option.
5269 dnl
5270 dnl $1 = target (which could be the same as the source variable)
5271 dnl $2 = source (including '$')
5272 dnl $3 = symbol to remove
5273 define([CF_REMOVE_DEFINE],
5274 [
5275 $1=`echo "$2" | \
5276         sed     -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[[       ]]/ /g' \
5277                 -e 's/-[[UD]]'"$3"'\(=[[^       ]]*\)\?[$]//g'`
5278 ])dnl
5279 dnl ---------------------------------------------------------------------------
5280 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
5281 dnl -------------
5282 dnl Remove the given library from the symbol
5283 dnl
5284 dnl $1 = target (which could be the same as the source variable)
5285 dnl $2 = source (including '$')
5286 dnl $3 = library to remove
5287 define([CF_REMOVE_LIB],
5288 [
5289 # remove $3 library from $2
5290 $1=`echo "$2" | sed -e 's/-l$3[[        ]]//g' -e 's/-l$3[$]//'`
5291 ])dnl
5292 dnl ---------------------------------------------------------------------------
5293 dnl CF_RPATH_HACK version: 11 updated: 2013/09/01 13:02:00
5294 dnl -------------
5295 AC_DEFUN([CF_RPATH_HACK],
5296 [
5297 AC_REQUIRE([CF_LD_RPATH_OPT])
5298 AC_MSG_CHECKING(for updated LDFLAGS)
5299 if test -n "$LD_RPATH_OPT" ; then
5300         AC_MSG_RESULT(maybe)
5301
5302         AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
5303         cf_rpath_list="/usr/lib /lib"
5304         if test "$cf_ldd_prog" != no
5305         then
5306                 cf_rpath_oops=
5307
5308 AC_TRY_LINK([#include <stdio.h>],
5309                 [printf("Hello");],
5310                 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort | uniq`
5311                  cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[     ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort | uniq`])
5312
5313                 # If we passed the link-test, but get a "not found" on a given library,
5314                 # this could be due to inept reconfiguration of gcc to make it only
5315                 # partly honor /usr/local/lib (or whatever).  Sometimes this behavior
5316                 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
5317                 # /usr/local libraries.
5318                 if test -n "$cf_rpath_oops"
5319                 then
5320                         for cf_rpath_src in $cf_rpath_oops
5321                         do
5322                                 for cf_rpath_dir in \
5323                                         /usr/local \
5324                                         /usr/pkg \
5325                                         /opt/sfw
5326                                 do
5327                                         if test -f $cf_rpath_dir/lib/$cf_rpath_src
5328                                         then
5329                                                 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
5330                                                 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
5331                                                 break
5332                                         fi
5333                                 done
5334                         done
5335                 fi
5336         fi
5337
5338         CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5339
5340         CF_RPATH_HACK_2(LDFLAGS)
5341         CF_RPATH_HACK_2(LIBS)
5342
5343         CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5344 else
5345         AC_MSG_RESULT(no)
5346 fi
5347 AC_SUBST(EXTRA_LDFLAGS)
5348 ])dnl
5349 dnl ---------------------------------------------------------------------------
5350 dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
5351 dnl ---------------
5352 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
5353 dnl EXTRA_LDFLAGS for each -L option found.
5354 dnl
5355 dnl $cf_rpath_list contains a list of directories to ignore.
5356 dnl
5357 dnl $1 = variable name to update.  The LDFLAGS variable should be the only one,
5358 dnl      but LIBS often has misplaced -L options.
5359 AC_DEFUN([CF_RPATH_HACK_2],
5360 [
5361 CF_VERBOSE(...checking $1 [$]$1)
5362
5363 cf_rpath_dst=
5364 for cf_rpath_src in [$]$1
5365 do
5366         case $cf_rpath_src in #(vi
5367         -L*) #(vi
5368
5369                 # check if this refers to a directory which we will ignore
5370                 cf_rpath_skip=no
5371                 if test -n "$cf_rpath_list"
5372                 then
5373                         for cf_rpath_item in $cf_rpath_list
5374                         do
5375                                 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
5376                                 then
5377                                         cf_rpath_skip=yes
5378                                         break
5379                                 fi
5380                         done
5381                 fi
5382
5383                 if test "$cf_rpath_skip" = no
5384                 then
5385                         # transform the option
5386                         if test "$LD_RPATH_OPT" = "-R " ; then
5387                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
5388                         else
5389                                 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
5390                         fi
5391
5392                         # if we have not already added this, add it now
5393                         cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
5394                         if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
5395                         then
5396                                 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
5397                                 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
5398                         fi
5399                 fi
5400                 ;;
5401         esac
5402         cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
5403 done
5404 $1=$cf_rpath_dst
5405
5406 CF_VERBOSE(...checked $1 [$]$1)
5407 AC_SUBST(EXTRA_LDFLAGS)
5408 ])dnl
5409 dnl ---------------------------------------------------------------------------
5410 dnl CF_SHARED_OPTS version: 84 updated: 2013/11/03 06:26:10
5411 dnl --------------
5412 dnl --------------
5413 dnl Attempt to determine the appropriate CC/LD options for creating a shared
5414 dnl library.
5415 dnl
5416 dnl Notes:
5417 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
5418 dnl the build-tree, i.e., by making use of the libraries that are compiled in
5419 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
5420 dnl shared library since that can lead to unexpected results at runtime.
5421 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
5422 dnl libraries are compiled in ../../lib
5423 dnl
5424 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
5425 dnl to install symbolic links to the rel/abi versions of shared libraries.
5426 dnl
5427 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
5428 dnl version when making symbolic links.
5429 dnl
5430 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
5431 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
5432 dnl (ex: libncurses.so.<ver>).
5433 dnl
5434 dnl Some loaders leave 'so_locations' lying around.  It's nice to clean up.
5435 AC_DEFUN([CF_SHARED_OPTS],
5436 [
5437         AC_REQUIRE([CF_LD_RPATH_OPT])
5438         RM_SHARED_OPTS=
5439         LOCAL_LDFLAGS=
5440         LOCAL_LDFLAGS2=
5441         LD_SHARED_OPTS=
5442         INSTALL_LIB="-m 644"
5443         : ${rel_builddir:=.}
5444
5445         shlibdir=$libdir
5446         AC_SUBST(shlibdir)
5447
5448         MAKE_DLLS="#"
5449         AC_SUBST(MAKE_DLLS)
5450
5451         cf_cv_do_symlinks=no
5452         cf_ld_rpath_opt=
5453         test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
5454
5455         AC_MSG_CHECKING(if release/abi version should be used for shared libs)
5456         AC_ARG_WITH(shlib-version,
5457         [  --with-shlib-version=X  Specify rel or abi version for shared libs],
5458         [test -z "$withval" && withval=auto
5459         case $withval in #(vi
5460         yes) #(vi
5461                 cf_cv_shlib_version=auto
5462                 ;;
5463         rel|abi|auto|no) #(vi
5464                 cf_cv_shlib_version=$withval
5465                 ;;
5466         *)
5467                 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
5468                 ;;
5469         esac
5470         ],[cf_cv_shlib_version=auto])
5471         AC_MSG_RESULT($cf_cv_shlib_version)
5472
5473         cf_cv_rm_so_locs=no
5474         cf_try_cflags=
5475
5476         # Some less-capable ports of gcc support only -fpic
5477         CC_SHARED_OPTS=
5478         if test "$GCC" = yes
5479         then
5480                 AC_MSG_CHECKING(which $CC option to use)
5481                 cf_save_CFLAGS="$CFLAGS"
5482                 for CC_SHARED_OPTS in -fPIC -fpic ''
5483                 do
5484                         CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
5485                         AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
5486                 done
5487                 AC_MSG_RESULT($CC_SHARED_OPTS)
5488                 CFLAGS="$cf_save_CFLAGS"
5489         fi
5490
5491         cf_cv_shlib_version_infix=no
5492
5493         case $cf_cv_system_name in #(vi
5494         aix4.[3-9]*|aix[[5-7]]*) #(vi
5495                 if test "$GCC" = yes; then
5496                         CC_SHARED_OPTS=
5497                         MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5498                 else
5499                         # CC_SHARED_OPTS='-qpic=large -G'
5500                         # perhaps "-bM:SRE -bnoentry -bexpall"
5501                         MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5502                 fi
5503                 ;;
5504         beos*) #(vi
5505                 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
5506                 ;;
5507         cygwin*) #(vi
5508                 CC_SHARED_OPTS=
5509                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5510                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5511                 cf_cv_shlib_version=cygdll
5512                 cf_cv_shlib_version_infix=cygdll
5513                 shlibdir=$bindir
5514                 MAKE_DLLS=
5515                 cat >mk_shared_lib.sh <<-CF_EOF
5516                 #!/bin/sh
5517                 SHARED_LIB=\[$]1
5518                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5519                 shift
5520                 cat <<-EOF
5521                 Linking shared library
5522                 ** SHARED_LIB \[$]SHARED_LIB
5523                 ** IMPORT_LIB \[$]IMPORT_LIB
5524 EOF
5525                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5526 CF_EOF
5527                 chmod +x mk_shared_lib.sh
5528                 ;;
5529         msys*) #(vi
5530                 CC_SHARED_OPTS=
5531                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5532                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5533                 cf_cv_shlib_version=msysdll
5534                 cf_cv_shlib_version_infix=msysdll
5535                 shlibdir=$bindir
5536                 MAKE_DLLS=
5537                 cat >mk_shared_lib.sh <<-CF_EOF
5538                 #!/bin/sh
5539                 SHARED_LIB=\[$]1
5540                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5541                 shift
5542                 cat <<-EOF
5543                 Linking shared library
5544                 ** SHARED_LIB \[$]SHARED_LIB
5545                 ** IMPORT_LIB \[$]IMPORT_LIB
5546 EOF
5547                 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5548 CF_EOF
5549                 chmod +x mk_shared_lib.sh
5550                 ;;
5551         darwin*) #(vi
5552                 cf_try_cflags="no-cpp-precomp"
5553                 CC_SHARED_OPTS="-dynamic"
5554                 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
5555                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
5556                 cf_cv_shlib_version_infix=yes
5557                 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
5558                         cf_save_LDFLAGS=$LDFLAGS
5559                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5560                         AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
5561                                 LDFLAGS=$cf_save_LDFLAGS])
5562                 if test $cf_cv_ldflags_search_paths_first = yes; then
5563                         LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5564                 fi
5565                 ;;
5566         hpux[[7-8]]*) #(vi
5567                 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
5568                 if test "$GCC" != yes; then
5569                         CC_SHARED_OPTS='+Z'
5570                 fi
5571                 MK_SHARED_LIB='${LD} -b -o $[@]'
5572                 INSTALL_LIB="-m 555"
5573                 ;;
5574         hpux*) #(vi
5575                 # (tested with gcc 2.7.2 -- I don't have c89)
5576                 if test "$GCC" = yes; then
5577                         LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
5578                 else
5579                         CC_SHARED_OPTS='+Z'
5580                         LD_SHARED_OPTS='-Wl,+b,${libdir}'
5581                 fi
5582                 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
5583                 # HP-UX shared libraries must be executable, and should be
5584                 # readonly to exploit a quirk in the memory manager.
5585                 INSTALL_LIB="-m 555"
5586                 ;;
5587         interix*)
5588                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5589                 if test "$cf_cv_shlib_version" = rel; then
5590                         cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
5591                 else
5592                         cf_shared_soname='`basename $@`'
5593                 fi
5594                 CC_SHARED_OPTS=
5595                 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
5596                 ;;
5597         irix*) #(vi
5598                 if test "$cf_cv_enable_rpath" = yes ; then
5599                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5600                 fi
5601                 # tested with IRIX 5.2 and 'cc'.
5602                 if test "$GCC" != yes; then
5603                         CC_SHARED_OPTS='-KPIC'
5604                         MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
5605                 else
5606                         MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
5607                 fi
5608                 cf_cv_rm_so_locs=yes
5609                 ;;
5610         linux*|gnu*|k*bsd*-gnu) #(vi
5611                 if test "$DFT_LWR_MODEL" = "shared" ; then
5612                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5613                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5614                 fi
5615                 if test "$cf_cv_enable_rpath" = yes ; then
5616                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5617                 fi
5618                 CF_SHARED_SONAME
5619                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5620                 ;;
5621         mingw*) #(vi
5622                 cf_cv_shlib_version=mingw
5623                 cf_cv_shlib_version_infix=mingw
5624                 shlibdir=$bindir
5625                 MAKE_DLLS=
5626                 if test "$DFT_LWR_MODEL" = "shared" ; then
5627                         LOCAL_LDFLAGS="-Wl,--enable-auto-import"
5628                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5629                         EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
5630                 fi
5631                 CC_SHARED_OPTS=
5632                 MK_SHARED_LIB='sh '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5633                 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
5634                 cat >mk_shared_lib.sh <<-CF_EOF
5635                 #!/bin/sh
5636                 SHARED_LIB=\[$]1
5637                 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5638                 shift
5639                 cat <<-EOF
5640                 Linking shared library
5641                 ** SHARED_LIB \[$]SHARED_LIB
5642                 ** IMPORT_LIB \[$]IMPORT_LIB
5643 EOF
5644                 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
5645 CF_EOF
5646                 chmod +x mk_shared_lib.sh
5647                 ;;
5648         openbsd[[2-9]].*|mirbsd*) #(vi
5649                 if test "$DFT_LWR_MODEL" = "shared" ; then
5650                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5651                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5652                 fi
5653                 if test "$cf_cv_enable_rpath" = yes ; then
5654                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5655                 fi
5656                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5657                 CF_SHARED_SONAME
5658                 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5659                 ;;
5660         nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
5661                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5662                 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
5663                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5664                 ;;
5665         dragonfly*|freebsd*) #(vi
5666                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5667                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5668                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5669                         LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
5670                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5671                 fi
5672                 CF_SHARED_SONAME
5673                 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
5674                 ;;
5675         netbsd*) #(vi
5676                 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5677                 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5678                         LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5679                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5680                         EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5681                         if test "$cf_cv_shlib_version" = auto; then
5682                         if test -f /usr/libexec/ld.elf_so; then
5683                                 cf_cv_shlib_version=abi
5684                         else
5685                                 cf_cv_shlib_version=rel
5686                         fi
5687                         fi
5688                         CF_SHARED_SONAME
5689                         MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
5690                 else
5691                         MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
5692                 fi
5693                 ;;
5694         osf*|mls+*) #(vi
5695                 # tested with OSF/1 V3.2 and 'cc'
5696                 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
5697                 # link with shared libs).
5698                 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
5699                 case $host_os in #(vi
5700                 osf4*)
5701                         MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
5702                         ;;
5703                 esac
5704                 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
5705                 if test "$DFT_LWR_MODEL" = "shared" ; then
5706                         LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5707                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5708                 fi
5709                 cf_cv_rm_so_locs=yes
5710                 ;;
5711         sco3.2v5*)  # (also uw2* and UW7: hops 13-Apr-98
5712                 # tested with osr5.0.5
5713                 if test "$GCC" != yes; then
5714                         CC_SHARED_OPTS='-belf -KPIC'
5715                 fi
5716                 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
5717                 if test "$cf_cv_enable_rpath" = yes ; then
5718                         # only way is to set LD_RUN_PATH but no switch for it
5719                         RUN_PATH=$libdir
5720                 fi
5721                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5722                 LINK_PROGS='LD_RUN_PATH=${libdir}'
5723                 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
5724                 ;;
5725         sunos4*) #(vi
5726                 # tested with SunOS 4.1.1 and gcc 2.7.0
5727                 if test "$GCC" != yes; then
5728                         CC_SHARED_OPTS='-KPIC'
5729                 fi
5730                 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
5731                 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5732                 ;;
5733         solaris2*) #(vi
5734                 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
5735                 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
5736                 if test "$DFT_LWR_MODEL" = "shared" ; then
5737                         LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
5738                         LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5739                 fi
5740                 if test "$cf_cv_enable_rpath" = yes ; then
5741                         EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
5742                 fi
5743                 CF_SHARED_SONAME
5744                 if test "$GCC" != yes; then
5745                         cf_save_CFLAGS="$CFLAGS"
5746                         for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
5747                         do
5748                                 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
5749                                 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
5750                         done
5751                         CFLAGS="$cf_save_CFLAGS"
5752                         CC_SHARED_OPTS=$cf_shared_opts
5753                         MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5754                 else
5755                         MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5756                 fi
5757                 ;;
5758         sysv5uw7*|unix_sv*) #(vi
5759                 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
5760                 if test "$GCC" != yes; then
5761                         CC_SHARED_OPTS='-KPIC'
5762                 fi
5763                 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
5764                 ;;
5765         *)
5766                 CC_SHARED_OPTS='unknown'
5767                 MK_SHARED_LIB='echo unknown'
5768                 ;;
5769         esac
5770
5771         # This works if the last tokens in $MK_SHARED_LIB are the -o target.
5772         case "$cf_cv_shlib_version" in #(vi
5773         rel|abi)
5774                 case "$MK_SHARED_LIB" in #(vi
5775                 *'-o $[@]') #(vi
5776                         test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
5777                         ;;
5778                 *)
5779                         AC_MSG_WARN(ignored --with-shlib-version)
5780                         ;;
5781                 esac
5782                 ;;
5783         esac
5784
5785         if test -n "$cf_try_cflags"
5786         then
5787 cat > conftest.$ac_ext <<EOF
5788 #line __oline__ "${as_me:-configure}"
5789 #include <stdio.h>
5790 int main(int argc, char *argv[[]])
5791 {
5792         printf("hello\n");
5793         return (argv[[argc-1]] == 0) ;
5794 }
5795 EOF
5796                 cf_save_CFLAGS="$CFLAGS"
5797                 for cf_opt in $cf_try_cflags
5798                 do
5799                         CFLAGS="$cf_save_CFLAGS -$cf_opt"
5800                         AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
5801                         if AC_TRY_EVAL(ac_compile); then
5802                                 AC_MSG_RESULT(yes)
5803                                 cf_save_CFLAGS="$CFLAGS"
5804                         else
5805                                 AC_MSG_RESULT(no)
5806                         fi
5807                 done
5808                 CFLAGS="$cf_save_CFLAGS"
5809         fi
5810
5811
5812         # RPATH_LIST is a colon-separated list of directories
5813         test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
5814         test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
5815
5816         test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
5817
5818         CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
5819         CF_VERBOSE(MK_SHARED_LIB:  $MK_SHARED_LIB)
5820
5821         AC_SUBST(CC_SHARED_OPTS)
5822         AC_SUBST(LD_RPATH_OPT)
5823         AC_SUBST(LD_SHARED_OPTS)
5824         AC_SUBST(MK_SHARED_LIB)
5825         AC_SUBST(RM_SHARED_OPTS)
5826
5827         AC_SUBST(LINK_PROGS)
5828         AC_SUBST(LINK_TESTS)
5829
5830         AC_SUBST(EXTRA_LDFLAGS)
5831         AC_SUBST(LOCAL_LDFLAGS)
5832         AC_SUBST(LOCAL_LDFLAGS2)
5833
5834         AC_SUBST(INSTALL_LIB)
5835         AC_SUBST(RPATH_LIST)
5836 ])dnl
5837 dnl ---------------------------------------------------------------------------
5838 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
5839 dnl ----------------
5840 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
5841 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
5842 dnl option.
5843 dnl
5844 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
5845 dnl If missing, use "rel".
5846 define([CF_SHARED_SONAME],
5847 [
5848         test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
5849         if test "$cf_cv_shlib_version" = rel; then
5850                 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
5851         else
5852                 cf_cv_shared_soname='`basename $[@]`'
5853         fi
5854 ])
5855 dnl ---------------------------------------------------------------------------
5856 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
5857 dnl -----------
5858 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
5859 dnl programs need this test).
5860 dnl
5861 dnl This is really a MacOS X 10.4.3 workaround.  Defining _POSIX_C_SOURCE
5862 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses).  Oddly, the struct
5863 dnl winsize declaration is left alone - we may revisit this if Apple choose to
5864 dnl break that part of the interface as well.
5865 AC_DEFUN([CF_SIGWINCH],
5866 [
5867 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
5868         AC_TRY_COMPILE([
5869 #include <sys/types.h>
5870 #include <sys/signal.h>
5871 ],[int x = SIGWINCH],
5872         [cf_cv_define_sigwinch=yes],
5873         [AC_TRY_COMPILE([
5874 #undef _XOPEN_SOURCE
5875 #undef _POSIX_SOURCE
5876 #undef _POSIX_C_SOURCE
5877 #include <sys/types.h>
5878 #include <sys/signal.h>
5879 ],[int x = SIGWINCH],
5880         [cf_cv_define_sigwinch=maybe],
5881         [cf_cv_define_sigwinch=no])
5882 ])
5883 ])
5884
5885 if test "$cf_cv_define_sigwinch" = maybe ; then
5886 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
5887 cf_cv_fixup_sigwinch=unknown
5888 cf_sigwinch=32
5889 while test $cf_sigwinch != 1
5890 do
5891         AC_TRY_COMPILE([
5892 #undef _XOPEN_SOURCE
5893 #undef _POSIX_SOURCE
5894 #undef _POSIX_C_SOURCE
5895 #include <sys/types.h>
5896 #include <sys/signal.h>
5897 ],[
5898 #if SIGWINCH != $cf_sigwinch
5899 make an error
5900 #endif
5901 int x = SIGWINCH],
5902         [cf_cv_fixup_sigwinch=$cf_sigwinch
5903          break])
5904
5905 cf_sigwinch=`expr $cf_sigwinch - 1`
5906 done
5907 ])
5908
5909         if test "$cf_cv_fixup_sigwinch" != unknown ; then
5910                 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
5911         fi
5912 fi
5913 ])dnl
5914 dnl ---------------------------------------------------------------------------
5915 dnl CF_SIG_ATOMIC_T version: 3 updated: 2012/10/04 20:12:20
5916 dnl ---------------
5917 dnl signal handler, but there are some gcc depedencies in that recommendation.
5918 dnl Try anyway.
5919 AC_DEFUN([CF_SIG_ATOMIC_T],
5920 [
5921 AC_MSG_CHECKING(for signal global datatype)
5922 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
5923         for cf_type in \
5924                 "volatile sig_atomic_t" \
5925                 "sig_atomic_t" \
5926                 "int"
5927         do
5928         AC_TRY_COMPILE([
5929 #include <sys/types.h>
5930 #include <signal.h>
5931 #include <stdio.h>
5932
5933 extern $cf_type x;
5934 $cf_type x;
5935 static void handler(int sig)
5936 {
5937         x = 5;
5938 }],
5939                 [signal(SIGINT, handler);
5940                  x = 1],
5941                 [cf_cv_sig_atomic_t=$cf_type],
5942                 [cf_cv_sig_atomic_t=no])
5943                 test "$cf_cv_sig_atomic_t" != no && break
5944         done
5945         ])
5946 AC_MSG_RESULT($cf_cv_sig_atomic_t)
5947 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t,[Define to signal global datatype])
5948 ])dnl
5949 dnl ---------------------------------------------------------------------------
5950 dnl CF_SIZECHANGE version: 9 updated: 2012/10/06 11:17:15
5951 dnl -------------
5952 dnl Check for definitions & structures needed for window size-changing
5953 dnl FIXME: check that this works with "snake" (HP-UX 10.x)
5954 AC_DEFUN([CF_SIZECHANGE],
5955 [
5956 AC_REQUIRE([CF_STRUCT_TERMIOS])
5957 AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
5958     cf_cv_sizechange=unknown
5959     cf_save_CPPFLAGS="$CPPFLAGS"
5960
5961 for cf_opts in "" "NEED_PTEM_H"
5962 do
5963
5964     CPPFLAGS="$cf_save_CPPFLAGS"
5965     test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
5966     AC_TRY_COMPILE([#include <sys/types.h>
5967 #ifdef HAVE_TERMIOS_H
5968 #include <termios.h>
5969 #else
5970 #ifdef HAVE_TERMIO_H
5971 #include <termio.h>
5972 #endif
5973 #endif
5974 #ifdef NEED_PTEM_H
5975 /* This is a workaround for SCO:  they neglected to define struct winsize in
5976  * termios.h -- it's only in termio.h and ptem.h
5977  */
5978 #include        <sys/stream.h>
5979 #include        <sys/ptem.h>
5980 #endif
5981 #if !defined(sun) || !defined(HAVE_TERMIOS_H)
5982 #include <sys/ioctl.h>
5983 #endif
5984 ],[
5985 #ifdef TIOCGSIZE
5986         struct ttysize win;     /* FIXME: what system is this? */
5987         int y = win.ts_lines;
5988         int x = win.ts_cols;
5989 #else
5990 #ifdef TIOCGWINSZ
5991         struct winsize win;
5992         int y = win.ws_row;
5993         int x = win.ws_col;
5994 #else
5995         no TIOCGSIZE or TIOCGWINSZ
5996 #endif /* TIOCGWINSZ */
5997 #endif /* TIOCGSIZE */
5998         ],
5999         [cf_cv_sizechange=yes],
6000         [cf_cv_sizechange=no])
6001
6002         CPPFLAGS="$cf_save_CPPFLAGS"
6003         if test "$cf_cv_sizechange" = yes ; then
6004                 echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
6005                 test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
6006                 break
6007         fi
6008 done
6009 ])
6010 if test "$cf_cv_sizechange" != no ; then
6011         AC_DEFINE(HAVE_SIZECHANGE,1,[Define to 1 if sizechar declarations are provided])
6012         case $cf_cv_sizechange in #(vi
6013         NEED*)
6014                 AC_DEFINE_UNQUOTED($cf_cv_sizechange )
6015                 ;;
6016         esac
6017 fi
6018 ])dnl
6019 dnl ---------------------------------------------------------------------------
6020 dnl CF_SRC_MODULES version: 27 updated: 2013/08/03 18:18:08
6021 dnl --------------
6022 dnl For each parameter, test if the source-directory exists, and if it contains
6023 dnl a 'modules' file.  If so, add to the list $cf_cv_src_modules which we'll
6024 dnl use in CF_LIB_RULES.
6025 dnl
6026 dnl This uses the configured value to make the lists SRC_SUBDIRS and
6027 dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
6028 AC_DEFUN([CF_SRC_MODULES],
6029 [
6030 AC_MSG_CHECKING(for src modules)
6031
6032 # dependencies and linker-arguments for test-programs
6033 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
6034 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
6035 if test "$DFT_LWR_MODEL" = "libtool"; then
6036         TEST_ARGS="${TEST_DEPS}"
6037         TEST_ARG2="${TEST_DEP2}"
6038 else
6039         TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS"
6040         TEST_ARG2="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARG2"
6041 fi
6042
6043 PC_MODULES_TO_MAKE="ncurses${DFT_ARG_SUFFIX}"
6044 cf_cv_src_modules=
6045 for cf_dir in $1
6046 do
6047         if test -f $srcdir/$cf_dir/modules; then
6048
6049                 # We may/may not have tack in the distribution, though the
6050                 # makefile is.
6051                 if test $cf_dir = tack ; then
6052                         if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
6053                                 continue
6054                         fi
6055                 fi
6056
6057                 if test -z "$cf_cv_src_modules"; then
6058                         cf_cv_src_modules=$cf_dir
6059                 else
6060                         cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
6061                 fi
6062
6063                 # Make the ncurses_cfg.h file record the library interface files as
6064                 # well.  These are header files that are the same name as their
6065                 # directory.  Ncurses is the only library that does not follow
6066                 # that pattern.
6067                 if test $cf_dir = tack ; then
6068                         continue
6069                 elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
6070                         CF_UPPER(cf_have_include,$cf_dir)
6071                         AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
6072                         AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
6073                         TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
6074                         TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
6075                         if test "$DFT_LWR_MODEL" = "libtool"; then
6076                                 TEST_ARGS="${TEST_DEPS}"
6077                                 TEST_ARG2="${TEST_DEP2}"
6078                         else
6079                                 TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS"
6080                                 TEST_ARG2="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARG2"
6081                         fi
6082                         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ${cf_dir}${DFT_ARG_SUFFIX}"
6083                 fi
6084         fi
6085 done
6086 AC_MSG_RESULT($cf_cv_src_modules)
6087
6088 TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
6089 TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
6090
6091 AC_SUBST(TEST_ARGS)
6092 AC_SUBST(TEST_DEPS)
6093
6094 AC_SUBST(TEST_ARG2)
6095 AC_SUBST(TEST_DEP2)
6096
6097 SRC_SUBDIRS=
6098 if test "x$cf_with_manpages" != xno ; then
6099         SRC_SUBDIRS="$SRC_SUBDIRS man"
6100 fi
6101 SRC_SUBDIRS="$SRC_SUBDIRS include"
6102 for cf_dir in $cf_cv_src_modules
6103 do
6104         SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
6105 done
6106 if test "x$cf_with_tests" != "xno" ; then
6107         SRC_SUBDIRS="$SRC_SUBDIRS test"
6108 fi
6109 if test "x$cf_with_db_install" = xyes; then
6110         test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc"
6111 fi
6112 if test "$cf_with_cxx_binding" != no; then
6113         PC_MODULES_TO_MAKE="${PC_MODULES_TO_MAKE} ncurses++${DFT_ARG_SUFFIX}"
6114         SRC_SUBDIRS="$SRC_SUBDIRS c++"
6115 fi
6116
6117 test "x$with_termlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TINFO_ARG_SUFFIX"
6118 test "x$with_ticlib" != xno && PC_MODULES_TO_MAKE="$PC_MODULES_TO_MAKE $TICS_ARG_SUFFIX"
6119
6120 AC_SUBST(PC_MODULES_TO_MAKE)
6121
6122 ADA_SUBDIRS=
6123 if test "x$cf_with_ada" = "xyes" && test "x$cf_cv_prog_gnat_correct" = xyes && test -f $srcdir/Ada95/Makefile.in; then
6124         SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
6125         ADA_SUBDIRS="gen src"
6126         if test "x$cf_with_tests" != "xno" ; then
6127                 ADA_SUBDIRS="$ADA_SUBDIRS samples"
6128         fi
6129 fi
6130
6131 SUB_MAKEFILES=
6132 for cf_dir in $SRC_SUBDIRS
6133 do
6134         SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
6135 done
6136
6137 if test -n "$ADA_SUBDIRS"; then
6138         for cf_dir in $ADA_SUBDIRS
6139         do
6140                 SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
6141         done
6142         AC_SUBST(ADA_SUBDIRS)
6143 fi
6144 ])dnl
6145 dnl ---------------------------------------------------------------------------
6146 dnl CF_STDCPP_LIBRARY version: 7 updated: 2010/05/29 16:31:02
6147 dnl -----------------
6148 dnl Check for -lstdc++, which is GNU's standard C++ library.
6149 AC_DEFUN([CF_STDCPP_LIBRARY],
6150 [
6151 if test -n "$GXX" ; then
6152 case $cf_cv_system_name in #(vi
6153 os2*) #(vi
6154         cf_stdcpp_libname=stdcpp
6155         ;;
6156 *)
6157         cf_stdcpp_libname=stdc++
6158         ;;
6159 esac
6160 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
6161         cf_save="$LIBS"
6162         CF_ADD_LIB($cf_stdcpp_libname)
6163 AC_TRY_LINK([
6164 #include <strstream.h>],[
6165 char buf[80];
6166 strstreambuf foo(buf, sizeof(buf))
6167 ],
6168         [cf_cv_libstdcpp=yes],
6169         [cf_cv_libstdcpp=no])
6170         LIBS="$cf_save"
6171 ])
6172 test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
6173 fi
6174 ])dnl
6175 dnl ---------------------------------------------------------------------------
6176 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
6177 dnl --------------
6178 dnl     Remove "-g" option from the compiler options
6179 AC_DEFUN([CF_STRIP_G_OPT],
6180 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
6181 dnl ---------------------------------------------------------------------------
6182 dnl CF_STRUCT_SIGACTION version: 5 updated: 2012/10/06 17:56:13
6183 dnl -------------------
6184 dnl Check if we need _POSIX_SOURCE defined to use struct sigaction.  We'll only
6185 dnl do this if we've found the sigaction function.
6186 AC_DEFUN([CF_STRUCT_SIGACTION],[
6187 AC_REQUIRE([CF_XOPEN_SOURCE])
6188
6189 if test "$ac_cv_func_sigaction" = yes; then
6190 AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
6191 AC_TRY_COMPILE([
6192 #include <sys/types.h>
6193 #include <signal.h>],
6194         [struct sigaction act],
6195         [sigact_bad=no],
6196         [
6197 AC_TRY_COMPILE([
6198 #define _POSIX_SOURCE
6199 #include <sys/types.h>
6200 #include <signal.h>],
6201         [struct sigaction act],
6202         [sigact_bad=yes
6203          AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])],
6204          [sigact_bad=unknown])])
6205 AC_MSG_RESULT($sigact_bad)
6206 fi
6207 ])dnl
6208 dnl ---------------------------------------------------------------------------
6209 dnl CF_STRUCT_TERMIOS version: 7 updated: 2012/10/06 17:56:13
6210 dnl -----------------
6211 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
6212 AC_DEFUN([CF_STRUCT_TERMIOS],[
6213 AC_REQUIRE([CF_XOPEN_SOURCE])
6214
6215 AC_CHECK_HEADERS( \
6216 termio.h \
6217 termios.h \
6218 unistd.h \
6219 )
6220
6221 if test "$ISC" = yes ; then
6222         AC_CHECK_HEADERS( sys/termio.h )
6223 fi
6224 if test "$ac_cv_header_termios_h" = yes ; then
6225         case "$CFLAGS $CPPFLAGS" in
6226         *-D_POSIX_SOURCE*)
6227                 termios_bad=dunno ;;
6228         *)      termios_bad=maybe ;;
6229         esac
6230         if test "$termios_bad" = maybe ; then
6231         AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
6232         AC_TRY_COMPILE([#include <termios.h>],
6233                 [struct termios foo; int x = foo.c_iflag],
6234                 termios_bad=no, [
6235                 AC_TRY_COMPILE([
6236 #define _POSIX_SOURCE
6237 #include <termios.h>],
6238                         [struct termios foo; int x = foo.c_iflag],
6239                         termios_bad=unknown,
6240                         termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
6241                         ])
6242         AC_MSG_RESULT($termios_bad)
6243         fi
6244 fi
6245 ])dnl
6246 dnl ---------------------------------------------------------------------------
6247 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
6248 dnl --------------
6249 dnl Construct a search-list for a nonstandard header/lib-file
6250 dnl     $1 = the variable to return as result
6251 dnl     $2 = the package name
6252 dnl     $3 = the subdirectory, e.g., bin, include or lib
6253 AC_DEFUN([CF_SUBDIR_PATH],
6254 [
6255 $1=
6256
6257 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
6258 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
6259 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
6260 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
6261 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
6262 ])dnl
6263 dnl ---------------------------------------------------------------------------
6264 dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
6265 dnl -----------
6266 dnl     Shorthand macro for substituting things that the user may override
6267 dnl     with an environment variable.
6268 dnl
6269 dnl     $1 = condition to pass to "test"
6270 dnl     $2 = environment variable
6271 dnl     $3 = value if the test succeeds
6272 dnl     $4 = value if the test fails
6273 AC_DEFUN([CF_SUBST_IF],
6274 [
6275 if test $1 ; then
6276         $2=$3
6277 ifelse($4,,,[else
6278         $2=$4])
6279 fi
6280 AC_SUBST($2)
6281 ])dnl
6282 dnl ---------------------------------------------------------------------------
6283 dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
6284 dnl ------------------------
6285 dnl Get the version-number for use in shared-library naming, etc.
6286 AC_DEFUN([CF_SUBST_NCURSES_VERSION],
6287 [
6288 AC_REQUIRE([CF_PROG_EGREP])
6289 NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6290 NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6291 NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[     ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
6292 cf_cv_abi_version=${NCURSES_MAJOR}
6293 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
6294 dnl Show the computed version, for logging
6295 cf_cv_timestamp=`date`
6296 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
6297 dnl We need these values in the generated headers
6298 AC_SUBST(NCURSES_MAJOR)
6299 AC_SUBST(NCURSES_MINOR)
6300 AC_SUBST(NCURSES_PATCH)
6301 dnl We need these values in the generated makefiles
6302 AC_SUBST(cf_cv_rel_version)
6303 AC_SUBST(cf_cv_abi_version)
6304 AC_SUBST(cf_cv_builtin_bool)
6305 AC_SUBST(cf_cv_header_stdbool_h)
6306 AC_SUBST(cf_cv_type_of_bool)dnl
6307 ])dnl
6308 dnl ---------------------------------------------------------------------------
6309 dnl CF_SYS_TIME_SELECT version: 5 updated: 2012/10/04 05:24:07
6310 dnl ------------------
6311 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
6312 dnl older SCO configurations.
6313 AC_DEFUN([CF_SYS_TIME_SELECT],
6314 [
6315 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
6316 AC_CACHE_VAL(cf_cv_sys_time_select,[
6317 AC_TRY_COMPILE([
6318 #include <sys/types.h>
6319 #ifdef HAVE_SYS_TIME_H
6320 #include <sys/time.h>
6321 #endif
6322 #ifdef HAVE_SYS_SELECT_H
6323 #include <sys/select.h>
6324 #endif
6325 ],[],[cf_cv_sys_time_select=yes],
6326      [cf_cv_sys_time_select=no])
6327      ])
6328 AC_MSG_RESULT($cf_cv_sys_time_select)
6329 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT,1,[Define to 1 if we can include <sys/time.h> with <sys/select.h>])
6330 ])dnl
6331 dnl ---------------------------------------------------------------------------
6332 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
6333 dnl ---------------
6334 dnl Define a top_builddir symbol, for applications that need an absolute path.
6335 AC_DEFUN([CF_TOP_BUILDDIR],
6336 [
6337 top_builddir=ifelse($1,,`pwd`,$1)
6338 AC_SUBST(top_builddir)
6339 ])dnl
6340 dnl ---------------------------------------------------------------------------
6341 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
6342 dnl -------------------
6343 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
6344 dnl can define it successfully.
6345 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
6346 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
6347         AC_TRY_COMPILE([
6348 #include <stdlib.h>
6349 #include <string.h>
6350 #include <sys/types.h>
6351 ],[
6352 #ifndef _XOPEN_SOURCE
6353 make an error
6354 #endif],
6355         [cf_cv_xopen_source=no],
6356         [cf_save="$CPPFLAGS"
6357          CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6358          AC_TRY_COMPILE([
6359 #include <stdlib.h>
6360 #include <string.h>
6361 #include <sys/types.h>
6362 ],[
6363 #ifdef _XOPEN_SOURCE
6364 make an error
6365 #endif],
6366         [cf_cv_xopen_source=no],
6367         [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
6368         CPPFLAGS="$cf_save"
6369         ])
6370 ])
6371
6372 if test "$cf_cv_xopen_source" != no ; then
6373         CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
6374         CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
6375         cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
6376         CF_ADD_CFLAGS($cf_temp_xopen_source)
6377 fi
6378 ])
6379 dnl ---------------------------------------------------------------------------
6380 dnl CF_TYPEOF_CHTYPE version: 9 updated: 2012/10/06 17:56:13
6381 dnl ----------------
6382 dnl Determine the type we should use for chtype (and attr_t, which is treated
6383 dnl as the same thing).  We want around 32 bits, so on most machines want a
6384 dnl long, but on newer 64-bit machines, probably want an int.  If we're using
6385 dnl wide characters, we have to have a type compatible with that, as well.
6386 AC_DEFUN([CF_TYPEOF_CHTYPE],
6387 [
6388 AC_MSG_CHECKING([for type of chtype])
6389 AC_CACHE_VAL(cf_cv_typeof_chtype,[
6390                 AC_TRY_RUN([
6391 #define WANT_BITS 31
6392 #include <stdio.h>
6393 int main()
6394 {
6395         FILE *fp = fopen("cf_test.out", "w");
6396         if (fp != 0) {
6397                 char *result = "long";
6398                 if (sizeof(unsigned long) > sizeof(unsigned int)) {
6399                         int n;
6400                         unsigned int x, y;
6401                         for (n = 0; n < WANT_BITS; n++) {
6402                                 x = (1 << n);
6403                                 y = (x >> n);
6404                                 if (y != 1 || x == 0) {
6405                                         x = 0;
6406                                         break;
6407                                 }
6408                         }
6409                         /*
6410                          * If x is nonzero, an int is big enough for the bits
6411                          * that we want.
6412                          */
6413                         result = (x != 0) ? "int" : "long";
6414                 }
6415                 fputs(result, fp);
6416                 fclose(fp);
6417         }
6418         ${cf_cv_main_return:-return}(0);
6419 }
6420                 ],
6421                 [cf_cv_typeof_chtype=`cat cf_test.out`],
6422                 [cf_cv_typeof_chtype=long],
6423                 [cf_cv_typeof_chtype=long])
6424                 rm -f cf_test.out
6425         ])
6426 AC_MSG_RESULT($cf_cv_typeof_chtype)
6427
6428 AC_SUBST(cf_cv_typeof_chtype)
6429 AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype,[Define to actual type if needed for chtype])
6430 ])dnl
6431 dnl ---------------------------------------------------------------------------
6432 dnl CF_TYPE_SIGACTION version: 4 updated: 2012/10/06 17:56:13
6433 dnl -----------------
6434 dnl
6435 AC_DEFUN([CF_TYPE_SIGACTION],
6436 [
6437 AC_MSG_CHECKING([for type sigaction_t])
6438 AC_CACHE_VAL(cf_cv_type_sigaction,[
6439         AC_TRY_COMPILE([
6440 #include <signal.h>],
6441                 [sigaction_t x],
6442                 [cf_cv_type_sigaction=yes],
6443                 [cf_cv_type_sigaction=no])])
6444 AC_MSG_RESULT($cf_cv_type_sigaction)
6445 test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION,1,[Define to 1 if we have the sigaction_t type])
6446 ])dnl
6447 dnl ---------------------------------------------------------------------------
6448 dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
6449 dnl --------------------
6450 dnl Test if the compiler supports 'U' and 'L' suffixes.  Only old compilers
6451 dnl won't, but they're still there.
6452 AC_DEFUN([CF_UNSIGNED_LITERALS],
6453 [
6454 AC_MSG_CHECKING([if unsigned literals are legal])
6455 AC_CACHE_VAL(cf_cv_unsigned_literals,[
6456         AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
6457                 [cf_cv_unsigned_literals=yes],
6458                 [cf_cv_unsigned_literals=no])
6459         ])
6460 AC_MSG_RESULT($cf_cv_unsigned_literals)
6461 ])dnl
6462 dnl ---------------------------------------------------------------------------
6463 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
6464 dnl --------
6465 dnl Make an uppercase version of a variable
6466 dnl $1=uppercase($2)
6467 AC_DEFUN([CF_UPPER],
6468 [
6469 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
6470 ])dnl
6471 dnl ---------------------------------------------------------------------------
6472 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
6473 dnl -----------
6474 dnl Check for multibyte support, and if not found, utf8 compatibility library
6475 AC_DEFUN([CF_UTF8_LIB],
6476 [
6477 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
6478         cf_save_LIBS="$LIBS"
6479         AC_TRY_LINK([
6480 #include <stdlib.h>],[putwc(0,0);],
6481         [cf_cv_utf8_lib=yes],
6482         [CF_FIND_LINKAGE([
6483 #include <libutf8.h>],[putwc(0,0);],utf8,
6484                 [cf_cv_utf8_lib=add-on],
6485                 [cf_cv_utf8_lib=no])
6486 ])])
6487
6488 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
6489 # ncurses/ncursesw:
6490 if test "$cf_cv_utf8_lib" = "add-on" ; then
6491         AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
6492         CF_ADD_INCDIR($cf_cv_header_path_utf8)
6493         CF_ADD_LIBDIR($cf_cv_library_path_utf8)
6494         CF_ADD_LIBS($cf_cv_library_file_utf8)
6495 fi
6496 ])dnl
6497 dnl ---------------------------------------------------------------------------
6498 dnl CF_VA_COPY version: 3 updated: 2012/10/06 11:17:15
6499 dnl ----------
6500 dnl check for va_copy, part of stdarg.h
6501 dnl Also, workaround for glibc's __va_copy, by checking for both.
6502 AC_DEFUN([CF_VA_COPY],[
6503 AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[
6504 AC_TRY_LINK([
6505 #include <stdarg.h>
6506 ],[
6507         static va_list dst;
6508         static va_list src;
6509         va_copy(dst, src)],
6510         cf_cv_have_va_copy=yes,
6511         cf_cv_have_va_copy=no)])
6512
6513 test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY,1,[Define to 1 if we have va_copy])
6514
6515 AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[
6516 AC_TRY_LINK([
6517 #include <stdarg.h>
6518 ],[
6519         static va_list dst;
6520         static va_list src;
6521         __va_copy(dst, src)],
6522         cf_cv_have___va_copy=yes,
6523         cf_cv_have___va_copy=no)])
6524
6525 test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY,1,[Define to 1 if we have __va_copy])
6526 ])
6527 dnl ---------------------------------------------------------------------------
6528 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
6529 dnl ----------
6530 dnl Use AC_VERBOSE w/o the warnings
6531 AC_DEFUN([CF_VERBOSE],
6532 [test -n "$verbose" && echo "   $1" 1>&AC_FD_MSG
6533 CF_MSG_LOG([$1])
6534 ])dnl
6535 dnl ---------------------------------------------------------------------------
6536 dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
6537 dnl -------------
6538 dnl Check if type wide-character type $1 is declared, and if so, which header
6539 dnl file is needed.  The second parameter is used to set a shell variable when
6540 dnl the type is not found.  The first parameter sets a shell variable for the
6541 dnl opposite sense.
6542 AC_DEFUN([CF_WCHAR_TYPE],
6543 [
6544 # This is needed on Tru64 5.0 to declare $1
6545 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
6546 AC_TRY_COMPILE([
6547 #include <stdlib.h>
6548 #include <stdarg.h>
6549 #include <stdio.h>
6550 #ifdef HAVE_LIBUTF8_H
6551 #include <libutf8.h>
6552 #endif],
6553         [$1 state],
6554         [cf_cv_$1=no],
6555         [AC_TRY_COMPILE([
6556 #include <stdlib.h>
6557 #include <stdarg.h>
6558 #include <stdio.h>
6559 #include <wchar.h>
6560 #ifdef HAVE_LIBUTF8_H
6561 #include <libutf8.h>
6562 #endif],
6563         [$1 value],
6564         [cf_cv_$1=yes],
6565         [cf_cv_$1=unknown])])])
6566
6567 if test "$cf_cv_$1" = yes ; then
6568         AC_DEFINE(NEED_WCHAR_H,1,[Define to 1 if we must include wchar.h])
6569         NEED_WCHAR_H=1
6570 fi
6571
6572 ifelse([$2],,,[
6573 # if we do not find $1 in either place, use substitution to provide a fallback.
6574 if test "$cf_cv_$1" = unknown ; then
6575         $2=1
6576 fi
6577 ])
6578 ifelse($3,,,[
6579 # if we find $1 in either place, use substitution to provide a fallback.
6580 if test "$cf_cv_$1" != unknown ; then
6581         $3=1
6582 fi
6583 ])
6584 ])dnl
6585 dnl ---------------------------------------------------------------------------
6586 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
6587 dnl ---------------
6588 dnl Check for compiler-support for weak symbols.
6589 dnl This works with "recent" gcc.
6590 AC_DEFUN([CF_WEAK_SYMBOLS],[
6591 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
6592
6593 AC_TRY_COMPILE([
6594 #include <stdio.h>],
6595 [
6596 #if defined(__GNUC__)
6597 #  if defined __USE_ISOC99
6598 #    define _cat_pragma(exp)    _Pragma(#exp)
6599 #    define _weak_pragma(exp)   _cat_pragma(weak name)
6600 #  else
6601 #    define _weak_pragma(exp)
6602 #  endif
6603 #  define _declare(name)        __extension__ extern __typeof__(name) name
6604 #  define weak_symbol(name)     _weak_pragma(name) _declare(name) __attribute__((weak))
6605 #endif
6606
6607 weak_symbol(fopen);
6608 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
6609 ])
6610 ])dnl
6611 dnl ---------------------------------------------------------------------------
6612 dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
6613 dnl -------------------
6614 dnl Allow library's ABI to be overridden.  Generally this happens when a
6615 dnl packager has incremented the ABI past that used in the original package,
6616 dnl and wishes to keep doing this.
6617 dnl
6618 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6619 dnl symbol.
6620 AC_DEFUN([CF_WITH_ABI_VERSION],[
6621 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
6622 AC_ARG_WITH(abi-version,
6623 [  --with-abi-version=XXX  override derived ABI version],
6624 [AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
6625  cf_cv_abi_version=$withval])
6626  CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
6627 ifelse($1,,,[
6628 $1_ABI=$cf_cv_abi_version
6629 ])
6630 ])dnl
6631 dnl ---------------------------------------------------------------------------
6632 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
6633 dnl --------------------
6634 dnl Command-line option to specify the Ada95 compiler.
6635 AC_DEFUN([CF_WITH_ADA_COMPILER],[
6636 AC_MSG_CHECKING(for ada-compiler)
6637 AC_ARG_WITH(ada-compiler,
6638         [  --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
6639         [cf_ada_compiler=$withval],
6640         [cf_ada_compiler=gnatmake])
6641 AC_SUBST(cf_ada_compiler)
6642 AC_MSG_RESULT($cf_ada_compiler)
6643 ])dnl
6644 dnl ---------------------------------------------------------------------------
6645 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
6646 dnl -------------------
6647 dnl Command-line option to specify where Ada includes will install.
6648 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
6649 AC_MSG_CHECKING(for ada-include)
6650 CF_WITH_PATH(ada-include,
6651    [  --with-ada-include=DIR  Ada includes are in DIR],
6652    ADA_INCLUDE,
6653    PREFIX/share/ada/adainclude,
6654    [$]prefix/share/ada/adainclude)
6655 AC_SUBST(ADA_INCLUDE)
6656 AC_MSG_RESULT($ADA_INCLUDE)
6657 ])dnl
6658 dnl ---------------------------------------------------------------------------
6659 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
6660 dnl -------------------
6661 dnl Command-line option to specify where Ada objects will install.
6662 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
6663 AC_MSG_CHECKING(for ada-objects)
6664 CF_WITH_PATH(ada-objects,
6665    [  --with-ada-objects=DIR  Ada objects are in DIR],
6666    ADA_OBJECTS,
6667    PREFIX/lib/ada/adalib,
6668    [$]prefix/lib/ada/adalib)
6669 AC_SUBST(ADA_OBJECTS)
6670 AC_MSG_RESULT($ADA_OBJECTS)
6671 ])dnl
6672 dnl ---------------------------------------------------------------------------
6673 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
6674 dnl ---------------------
6675 dnl Command-line option to specify if an Ada95 shared-library should be built,
6676 dnl and optionally what its soname should be.
6677 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
6678 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
6679 AC_ARG_WITH(ada-sharedlib,
6680         [  --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
6681         [with_ada_sharedlib=$withval],
6682         [with_ada_sharedlib=no])
6683 AC_MSG_RESULT($with_ada_sharedlib)
6684
6685 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
6686 MAKE_ADA_SHAREDLIB="#"
6687
6688 if test "x$with_ada_sharedlib" != xno
6689 then
6690         MAKE_ADA_SHAREDLIB=
6691         if test "x$with_ada_sharedlib" != xyes
6692         then
6693                 ADA_SHAREDLIB="$with_ada_sharedlib"
6694         fi
6695 fi
6696
6697 AC_SUBST(ADA_SHAREDLIB)
6698 AC_SUBST(MAKE_ADA_SHAREDLIB)
6699 ])dnl
6700 dnl ---------------------------------------------------------------------------
6701 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
6702 dnl ----------------
6703 dnl Configure-option for dbmalloc.  The optional parameter is used to override
6704 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6705 AC_DEFUN([CF_WITH_DBMALLOC],[
6706 CF_NO_LEAKS_OPTION(dbmalloc,
6707         [  --with-dbmalloc         test: use Conor Cahill's dbmalloc library],
6708         [USE_DBMALLOC])
6709
6710 if test "$with_dbmalloc" = yes ; then
6711         AC_CHECK_HEADER(dbmalloc.h,
6712                 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
6713 fi
6714 ])dnl
6715 dnl ---------------------------------------------------------------------------
6716 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
6717 dnl ---------------
6718 dnl Configure-option for dmalloc.  The optional parameter is used to override
6719 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6720 AC_DEFUN([CF_WITH_DMALLOC],[
6721 CF_NO_LEAKS_OPTION(dmalloc,
6722         [  --with-dmalloc          test: use Gray Watson's dmalloc library],
6723         [USE_DMALLOC])
6724
6725 if test "$with_dmalloc" = yes ; then
6726         AC_CHECK_HEADER(dmalloc.h,
6727                 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
6728 fi
6729 ])dnl
6730 dnl ---------------------------------------------------------------------------
6731 dnl CF_WITH_GPM version: 8 updated: 2012/10/06 17:56:13
6732 dnl -----------
6733 dnl
6734 dnl The option parameter (if neither yes/no) is assumed to be the name of
6735 dnl the gpm library, e.g., for dynamic loading.
6736 AC_DEFUN([CF_WITH_GPM],
6737 [
6738 AC_MSG_CHECKING(if you want to link with the GPM mouse library)
6739 AC_ARG_WITH(gpm,
6740         [  --with-gpm              use Alessandro Rubini's GPM library],
6741         [with_gpm=$withval],
6742         [with_gpm=maybe])
6743 AC_MSG_RESULT($with_gpm)
6744
6745 if test "$with_gpm" != no ; then
6746         AC_CHECK_HEADER(gpm.h,[
6747                 AC_DEFINE(HAVE_GPM_H,1,[Define to 1 if we have gpm.h header])
6748                 if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
6749                         CF_VERBOSE(assuming we really have GPM library)
6750                         AC_DEFINE(HAVE_LIBGPM,1,[Define to 1 if we have the gpm library])
6751                 else
6752                         AC_CHECK_LIB(gpm,Gpm_Open,[:],[
6753                                 AC_MSG_ERROR(Cannot link with GPM library)
6754                 fi
6755                 with_gpm=yes
6756                 ])
6757         ],[
6758                 test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
6759                 with_gpm=no
6760         ])
6761 fi
6762 ])
6763 dnl ---------------------------------------------------------------------------
6764 dnl CF_WITH_LIBTOOL version: 30 updated: 2013/09/07 13:54:05
6765 dnl ---------------
6766 dnl Provide a configure option to incorporate libtool.  Define several useful
6767 dnl symbols for the makefile rules.
6768 dnl
6769 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
6770 dnl macros from libtool.m4 which is in the aclocal directory of automake.
6771 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
6772 dnl But that still does not work properly since the macro is expanded outside
6773 dnl the CF_WITH_LIBTOOL macro:
6774 dnl
6775 dnl     #!/bin/sh
6776 dnl     ACLOCAL=`aclocal --print-ac-dir`
6777 dnl     if test -z "$ACLOCAL" ; then
6778 dnl             echo cannot find aclocal directory
6779 dnl             exit 1
6780 dnl     elif test ! -f $ACLOCAL/libtool.m4 ; then
6781 dnl             echo cannot find libtool.m4 file
6782 dnl             exit 1
6783 dnl     fi
6784 dnl
6785 dnl     LOCAL=aclocal.m4
6786 dnl     ORIG=aclocal.m4.orig
6787 dnl
6788 dnl     trap "mv $ORIG $LOCAL" 0 1 2 5 15
6789 dnl     rm -f $ORIG
6790 dnl     mv $LOCAL $ORIG
6791 dnl
6792 dnl     # sed the LIBTOOL= assignment to omit the current directory?
6793 dnl     sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
6794 dnl     cat $ORIG >>$LOCAL
6795 dnl
6796 dnl     autoconf-257 $*
6797 dnl
6798 AC_DEFUN([CF_WITH_LIBTOOL],
6799 [
6800 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
6801 ifdef([AC_PROG_LIBTOOL],,[
6802 LIBTOOL=
6803 ])
6804 # common library maintenance symbols that are convenient for libtool scripts:
6805 LIB_CREATE='${AR} -cr'
6806 LIB_OBJECT='${OBJECTS}'
6807 LIB_SUFFIX=.a
6808 LIB_PREP="$RANLIB"
6809
6810 # symbols used to prop libtool up to enable it to determine what it should be
6811 # doing:
6812 LIB_CLEAN=
6813 LIB_COMPILE=
6814 LIB_LINK='${CC}'
6815 LIB_INSTALL=
6816 LIB_UNINSTALL=
6817
6818 AC_MSG_CHECKING(if you want to build libraries with libtool)
6819 AC_ARG_WITH(libtool,
6820         [  --with-libtool          generate libraries with libtool],
6821         [with_libtool=$withval],
6822         [with_libtool=no])
6823 AC_MSG_RESULT($with_libtool)
6824 if test "$with_libtool" != "no"; then
6825 ifdef([AC_PROG_LIBTOOL],[
6826         # missing_content_AC_PROG_LIBTOOL{{
6827         AC_PROG_LIBTOOL
6828         # missing_content_AC_PROG_LIBTOOL}}
6829 ],[
6830         if test "$with_libtool" != "yes" ; then
6831                 CF_PATH_SYNTAX(with_libtool)
6832                 LIBTOOL=$with_libtool
6833         else
6834                 AC_CHECK_TOOLS(LIBTOOL,[libtool glibtool],none)
6835                 CF_LIBTOOL_VERSION
6836                 if test -z "$cf_cv_libtool_version" && test "$LIBTOOL" = libtool
6837                 then
6838                         CF_FORGET_TOOL(LIBTOOL)
6839                         AC_CHECK_TOOLS(LIBTOOL,[glibtool],none)
6840                         CF_LIBTOOL_VERSION
6841                 fi
6842         fi
6843         if test -z "$LIBTOOL" ; then
6844                 AC_MSG_ERROR(Cannot find libtool)
6845         fi
6846 ])dnl
6847         LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
6848         LIB_OBJECT='${OBJECTS:.o=.lo}'
6849         LIB_SUFFIX=.la
6850         LIB_CLEAN='${LIBTOOL} --mode=clean'
6851         LIB_COMPILE='${LIBTOOL} --mode=compile'
6852         LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
6853         LIB_INSTALL='${LIBTOOL} --mode=install'
6854         LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
6855         LIB_PREP=:
6856
6857         CF_CHECK_LIBTOOL_VERSION
6858
6859         # special hack to add -no-undefined (which libtool should do for itself)
6860         LT_UNDEF=
6861         case "$cf_cv_system_name" in #(vi
6862         cygwin*|msys*|mingw32*|uwin*|aix[[4-7]]) #(vi
6863                 LT_UNDEF=-no-undefined
6864                 ;;
6865         esac
6866         AC_SUBST([LT_UNDEF])
6867
6868         # special hack to add --tag option for C++ compiler
6869         case $cf_cv_libtool_version in #(vi
6870         1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*) #(vi
6871                 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
6872                 LIBTOOL="$LIBTOOL --tag=CC"
6873                 ;;
6874         *)
6875                 LIBTOOL_CXX="$LIBTOOL"
6876                 ;;
6877         esac
6878 else
6879         LIBTOOL=""
6880         LIBTOOL_CXX=""
6881 fi
6882
6883 test -z "$LIBTOOL" && ECHO_LT=
6884
6885 AC_SUBST(LIBTOOL)
6886 AC_SUBST(LIBTOOL_CXX)
6887 AC_SUBST(LIBTOOL_OPTS)
6888
6889 AC_SUBST(LIB_CREATE)
6890 AC_SUBST(LIB_OBJECT)
6891 AC_SUBST(LIB_SUFFIX)
6892 AC_SUBST(LIB_PREP)
6893
6894 AC_SUBST(LIB_CLEAN)
6895 AC_SUBST(LIB_COMPILE)
6896 AC_SUBST(LIB_LINK)
6897 AC_SUBST(LIB_INSTALL)
6898 AC_SUBST(LIB_UNINSTALL)
6899
6900 ])dnl
6901 dnl ---------------------------------------------------------------------------
6902 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
6903 dnl ------------------
6904 dnl Allow the library-prefix to be overridden.  OS/2 EMX originally had no
6905 dnl "lib" prefix, e.g., because it used the dll naming convention.
6906 dnl
6907 dnl $1 = variable to set
6908 AC_DEFUN([CF_WITH_LIB_PREFIX],
6909 [
6910 AC_MSG_CHECKING(if you want to have a library-prefix)
6911 AC_ARG_WITH(lib-prefix,
6912         [  --with-lib-prefix       override library-prefix],
6913         [with_lib_prefix=$withval],
6914         [with_lib_prefix=auto])
6915 AC_MSG_RESULT($with_lib_prefix)
6916
6917 if test $with_lib_prefix = auto
6918 then
6919         CF_LIB_PREFIX($1)
6920 elif test $with_lib_prefix = no
6921 then
6922         LIB_PREFIX=
6923 else
6924         LIB_PREFIX=$with_lib_prefix
6925 fi
6926 ])dnl
6927 dnl ---------------------------------------------------------------------------
6928 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
6929 dnl ------------
6930 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
6931 dnl defaulting to yes/no.
6932 dnl
6933 dnl $1 = option name
6934 dnl $2 = help-text
6935 dnl $3 = environment variable to set
6936 dnl $4 = default value, shown in the help-message, must be a constant
6937 dnl $5 = default value, if it's an expression & cannot be in the help-message
6938 dnl
6939 AC_DEFUN([CF_WITH_PATH],
6940 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
6941 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
6942 if ifelse([$5],,true,[test -n "$5"]) ; then
6943 CF_PATH_SYNTAX(withval)
6944 fi
6945 eval $3="$withval"
6946 AC_SUBST($3)dnl
6947 ])dnl
6948 dnl ---------------------------------------------------------------------------
6949 dnl CF_WITH_PATHLIST version: 9 updated: 2012/10/18 05:05:24
6950 dnl ----------------
6951 dnl Process an option specifying a list of colon-separated paths.
6952 dnl
6953 dnl $1 = option name
6954 dnl $2 = help-text
6955 dnl $3 = environment variable to set
6956 dnl $4 = default value, shown in the help-message, must be a constant
6957 dnl $5 = default value, if it's an expression & cannot be in the help-message
6958 dnl $6 = flag to tell if we want to define or substitute
6959 dnl
6960 AC_DEFUN([CF_WITH_PATHLIST],[
6961 AC_REQUIRE([CF_PATHSEP])
6962 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
6963 ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
6964
6965 IFS="${IFS:-    }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
6966 cf_dst_path=
6967 for cf_src_path in $withval
6968 do
6969   CF_PATH_SYNTAX(cf_src_path)
6970   test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}$PATH_SEPARATOR"
6971   cf_dst_path="${cf_dst_path}${cf_src_path}"
6972 done
6973 IFS="$ac_save_ifs"
6974
6975 ifelse($6,define,[
6976 # Strip single quotes from the value, e.g., when it was supplied as a literal
6977 # for $4 or $5.
6978 case $cf_dst_path in #(vi
6979 \'*)
6980   cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
6981   ;;
6982 esac
6983 cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
6984 ])
6985
6986 # This may use the prefix/exec_prefix symbols which will only yield "NONE"
6987 # so we have to check/work around.  We do prefer the result of "eval"...
6988 eval cf_dst_eval="$cf_dst_path"
6989 case "x$cf_dst_eval" in #(vi
6990 xNONE*) #(vi
6991         $3=$cf_dst_path
6992         ;;
6993 *)
6994         $3="$cf_dst_eval"
6995         ;;
6996 esac
6997 AC_SUBST($3)dnl
6998
6999 ])dnl
7000 dnl ---------------------------------------------------------------------------
7001 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 2 updated: 2011/12/10 18:58:47
7002 dnl -------------------------
7003 dnl Allow the choice of the pkg-config library directory to be overridden.
7004 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
7005 if test "$PKG_CONFIG" != none ; then
7006         AC_MSG_CHECKING(for $PKG_CONFIG library directory)
7007         AC_ARG_WITH(pkg-config-libdir,
7008                 [  --with-pkg-config-libdir=XXX use given directory for installing pc-files],
7009                 [PKG_CONFIG_LIBDIR=$withval],
7010                 [PKG_CONFIG_LIBDIR=yes])
7011
7012         case x$PKG_CONFIG_LIBDIR in #(vi
7013         x/*) #(vi
7014                 ;;
7015         xyes) #(vi
7016                 # look for the library directory using the same prefix as the executable
7017                 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
7018                 case x`(arch) 2>/dev/null` in #(vi
7019                 *64) #(vi
7020                         for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
7021                         do
7022                                 if test -d $cf_config/pkgconfig
7023                                 then
7024                                         PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
7025                                         break
7026                                 fi
7027                         done
7028                         ;;
7029                 *)
7030                         PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
7031                         ;;
7032                 esac
7033                 ;;
7034         *)
7035                 ;;
7036         esac
7037
7038         AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
7039 fi
7040
7041 AC_SUBST(PKG_CONFIG_LIBDIR)
7042 ])dnl
7043 dnl ---------------------------------------------------------------------------
7044 dnl CF_WITH_PTHREAD version: 6 updated: 2012/10/06 17:41:51
7045 dnl ---------------
7046 dnl Check for POSIX thread library.
7047 AC_DEFUN([CF_WITH_PTHREAD],
7048 [
7049 AC_MSG_CHECKING(if you want to link with the pthread library)
7050 AC_ARG_WITH(pthread,
7051     [  --with-pthread          use POSIX thread library],
7052     [with_pthread=$withval],
7053     [with_pthread=no])
7054 AC_MSG_RESULT($with_pthread)
7055
7056 if test "$with_pthread" != no ; then
7057     AC_CHECK_HEADER(pthread.h,[
7058         AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
7059
7060         for cf_lib_pthread in pthread c_r
7061         do
7062             AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
7063             cf_save_LIBS="$LIBS"
7064             CF_ADD_LIB($cf_lib_pthread)
7065             AC_TRY_LINK([
7066 #include <pthread.h>
7067 ],[
7068                 int rc = pthread_create(0,0,0,0);
7069                 int r2 = pthread_mutexattr_settype(0, 0);
7070 ],[with_pthread=yes],[with_pthread=no])
7071             LIBS="$cf_save_LIBS"
7072             AC_MSG_RESULT($with_pthread)
7073             test "$with_pthread" = yes && break
7074         done
7075
7076         if test "$with_pthread" = yes ; then
7077             CF_ADD_LIB($cf_lib_pthread)
7078             AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
7079         else
7080             AC_MSG_ERROR(Cannot link with pthread library)
7081         fi
7082     ])
7083 fi
7084 ])
7085 dnl ---------------------------------------------------------------------------
7086 dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
7087 dnl -------------------
7088 dnl Allow library's release-version to be overridden.  Generally this happens when a
7089 dnl packager has incremented the release-version past that used in the original package,
7090 dnl and wishes to keep doing this.
7091 dnl
7092 dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
7093 dnl and {package}_MINOR symbols
7094 dnl symbol.
7095 AC_DEFUN([CF_WITH_REL_VERSION],[
7096 test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
7097 AC_ARG_WITH(rel-version,
7098 [  --with-rel-version=XXX  override derived release version],
7099 [AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
7100  cf_cv_rel_version=$withval])
7101 ifelse($1,,[
7102  CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
7103 ],[
7104  $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
7105  $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
7106  CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
7107  CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
7108 ])
7109 ])dnl
7110 dnl ---------------------------------------------------------------------------
7111 dnl CF_WITH_SYSMOUSE version: 3 updated: 2012/10/06 17:56:13
7112 dnl ----------------
7113 dnl If we can compile with sysmouse, make it available unless it is not wanted.
7114 AC_DEFUN([CF_WITH_SYSMOUSE],[
7115 # not everyone has "test -c"
7116 if test -c /dev/sysmouse 2>/dev/null ; then
7117 AC_MSG_CHECKING(if you want to use sysmouse)
7118 AC_ARG_WITH(sysmouse,
7119         [  --with-sysmouse         use sysmouse (FreeBSD console)],
7120         [cf_with_sysmouse=$withval],
7121         [cf_with_sysmouse=maybe])
7122         if test "$cf_with_sysmouse" != no ; then
7123         AC_TRY_COMPILE([
7124 #include <osreldate.h>
7125 #if (__FreeBSD_version >= 400017)
7126 #include <sys/consio.h>
7127 #include <sys/fbio.h>
7128 #else
7129 #include <machine/console.h>
7130 #endif
7131 ],[
7132         struct mouse_info the_mouse;
7133         ioctl(0, CONS_MOUSECTL, &the_mouse);
7134 ],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
7135         fi
7136 AC_MSG_RESULT($cf_with_sysmouse)
7137 test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE,1,[Define to 1 if we can/should use the sysmouse interface])
7138 fi
7139 ])dnl
7140 dnl ---------------------------------------------------------------------------
7141 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
7142 dnl ---------------
7143 dnl For testing, override the derived host system-type which is used to decide
7144 dnl things such as the linker commands used to build shared libraries.  This is
7145 dnl normally chosen automatically based on the type of system which you are
7146 dnl building on.  We use it for testing the configure script.
7147 dnl
7148 dnl This is different from the --host option: it is used only for testing parts
7149 dnl of the configure script which would not be reachable with --host since that
7150 dnl relies on the build environment being real, rather than mocked up.
7151 AC_DEFUN([CF_WITH_SYSTYPE],[
7152 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
7153 AC_ARG_WITH(system-type,
7154         [  --with-system-type=XXX  test: override derived host system-type],
7155 [AC_MSG_WARN(overriding system type to $withval)
7156         cf_cv_system_name=$withval
7157         host_os=$withval
7158 ])
7159 ])dnl
7160 dnl ---------------------------------------------------------------------------
7161 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
7162 dnl ----------------
7163 AC_DEFUN([CF_WITH_VALGRIND],[
7164 CF_NO_LEAKS_OPTION(valgrind,
7165         [  --with-valgrind         test: use valgrind],
7166         [USE_VALGRIND])
7167 ])dnl
7168 dnl ---------------------------------------------------------------------------
7169 dnl CF_XOPEN_SOURCE version: 47 updated: 2014/07/23 17:11:49
7170 dnl ---------------
7171 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
7172 dnl or adapt to the vendor's definitions to get equivalent functionality,
7173 dnl without losing the common non-POSIX features.
7174 dnl
7175 dnl Parameters:
7176 dnl     $1 is the nominal value for _XOPEN_SOURCE
7177 dnl     $2 is the nominal value for _POSIX_C_SOURCE
7178 AC_DEFUN([CF_XOPEN_SOURCE],[
7179 AC_REQUIRE([AC_CANONICAL_HOST])
7180
7181 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
7182 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
7183 cf_xopen_source=
7184
7185 case $host_os in #(vi
7186 aix[[4-7]]*) #(vi
7187         cf_xopen_source="-D_ALL_SOURCE"
7188         ;;
7189 cygwin|msys) #(vi
7190         cf_XOPEN_SOURCE=600
7191         ;;
7192 darwin[[0-8]].*) #(vi
7193         cf_xopen_source="-D_APPLE_C_SOURCE"
7194         ;;
7195 darwin*) #(vi
7196         cf_xopen_source="-D_DARWIN_C_SOURCE"
7197         cf_XOPEN_SOURCE=
7198         ;;
7199 freebsd*|dragonfly*) #(vi
7200         # 5.x headers associate
7201         #       _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
7202         #       _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
7203         cf_POSIX_C_SOURCE=200112L
7204         cf_XOPEN_SOURCE=600
7205         cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
7206         ;;
7207 hpux11*) #(vi
7208         cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
7209         ;;
7210 hpux*) #(vi
7211         cf_xopen_source="-D_HPUX_SOURCE"
7212         ;;
7213 irix[[56]].*) #(vi
7214         cf_xopen_source="-D_SGI_SOURCE"
7215         cf_XOPEN_SOURCE=
7216         ;;
7217 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
7218         CF_GNU_SOURCE
7219         ;;
7220 minix*) #(vi
7221         cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
7222         ;;
7223 mirbsd*) #(vi
7224         # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
7225         cf_XOPEN_SOURCE=
7226         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7227         ;;
7228 netbsd*) #(vi
7229         cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
7230         ;;
7231 openbsd[[4-9]]*) #(vi
7232         # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
7233         cf_xopen_source="-D_BSD_SOURCE"
7234         cf_XOPEN_SOURCE=600
7235         ;;
7236 openbsd*) #(vi
7237         # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
7238         ;;
7239 osf[[45]]*) #(vi
7240         cf_xopen_source="-D_OSF_SOURCE"
7241         ;;
7242 nto-qnx*) #(vi
7243         cf_xopen_source="-D_QNX_SOURCE"
7244         ;;
7245 sco*) #(vi
7246         # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
7247         ;;
7248 solaris2.*) #(vi
7249         cf_xopen_source="-D__EXTENSIONS__"
7250         cf_cv_xopen_source=broken
7251         ;;
7252 *)
7253         CF_TRY_XOPEN_SOURCE
7254         CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
7255         ;;
7256 esac
7257
7258 if test -n "$cf_xopen_source" ; then
7259         CF_ADD_CFLAGS($cf_xopen_source,true)
7260 fi
7261
7262 dnl In anything but the default case, we may have system-specific setting
7263 dnl which is still not guaranteed to provide all of the entrypoints that
7264 dnl _XOPEN_SOURCE would yield.
7265 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
7266         AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
7267         AC_TRY_COMPILE([#include <stdlib.h>],[
7268 #ifndef _XOPEN_SOURCE
7269 make an error
7270 #endif],
7271         [cf_XOPEN_SOURCE_set=yes],
7272         [cf_XOPEN_SOURCE_set=no])
7273         AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
7274         if test $cf_XOPEN_SOURCE_set = yes
7275         then
7276                 AC_TRY_COMPILE([#include <stdlib.h>],[
7277 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
7278 make an error
7279 #endif],
7280                 [cf_XOPEN_SOURCE_set_ok=yes],
7281                 [cf_XOPEN_SOURCE_set_ok=no])
7282                 if test $cf_XOPEN_SOURCE_set_ok = no
7283                 then
7284                         AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
7285                 fi
7286         else
7287                 CF_TRY_XOPEN_SOURCE
7288         fi
7289 fi
7290 ])