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 1.704 2014/07/26 22:56:21 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_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
2156 dnl ----------------
2157 AC_DEFUN([CF_GNAT_GENERICS],
2158 [
2159 AC_REQUIRE([CF_GNAT_VERSION])
2160
2161 AC_MSG_CHECKING(if GNAT supports generics)
2162 case $cf_gnat_version in #(vi
2163 3.[[1-9]]*|[[4-9]].*) #(vi
2164         cf_gnat_generics=yes
2165         ;;
2166 *)
2167         cf_gnat_generics=no
2168         ;;
2169 esac
2170 AC_MSG_RESULT($cf_gnat_generics)
2171
2172 if test "$cf_gnat_generics" = yes
2173 then
2174         cf_compile_generics=generics
2175         cf_generic_objects="\${GENOBJS}"
2176 else
2177         cf_compile_generics=
2178         cf_generic_objects=
2179 fi
2180
2181 AC_SUBST(cf_compile_generics)
2182 AC_SUBST(cf_generic_objects)
2183 ])dnl
2184 dnl ---------------------------------------------------------------------------
2185 dnl CF_GNAT_PROJECTS version: 7 updated: 2014/06/01 10:46:34
2186 dnl ----------------
2187 dnl GNAT projects are configured with ".gpr" project files.
2188 dnl GNAT libraries are a further development, using the project feature.
2189 AC_DEFUN([CF_GNAT_PROJECTS],
2190 [
2191 AC_REQUIRE([CF_GNAT_VERSION])
2192 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2193
2194 cf_gnat_libraries=no
2195 cf_gnat_projects=no
2196
2197 if test "$enable_gnat_projects" != no ; then
2198 AC_MSG_CHECKING(if GNAT supports project files)
2199 case $cf_gnat_version in #(vi
2200 3.[[0-9]]*) #(vi
2201         ;;
2202 *)
2203         case $cf_cv_system_name in #(vi
2204         cygwin*|msys*) #(vi
2205                 ;;
2206         *)
2207                 mkdir conftest.src conftest.bin conftest.lib
2208                 cd conftest.src
2209                 rm -rf conftest* *~conftest*
2210                 cat >>library.gpr <<CF_EOF
2211 project Library is
2212   Kind := External ("LIB_KIND");
2213   for Library_Name use "ConfTest";
2214   for Object_Dir use ".";
2215   for Library_ALI_Dir use External("LIBRARY_DIR");
2216   for Library_Version use External ("SONAME");
2217   for Library_Kind use Kind;
2218   for Library_Dir use External("BUILD_DIR");
2219   Source_Dir := External ("SOURCE_DIR");
2220   for Source_Dirs use (Source_Dir);
2221 end Library;
2222 CF_EOF
2223                 cat >>confpackage.ads <<CF_EOF
2224 package ConfPackage is
2225    procedure conftest;
2226 end ConfPackage;
2227 CF_EOF
2228                 cat >>confpackage.adb <<CF_EOF
2229 with Text_IO;
2230 package body ConfPackage is
2231    procedure conftest is
2232    begin
2233       Text_IO.Put ("Hello World");
2234       Text_IO.New_Line;
2235    end conftest;
2236 end ConfPackage;
2237 CF_EOF
2238                 if ( $cf_ada_make $ADAFLAGS \
2239                                 -Plibrary.gpr \
2240                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2241                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2242                                 -XSOURCE_DIR=`pwd` \
2243                                 -XSONAME=libConfTest.so.1 \
2244                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2245                         cf_gnat_projects=yes
2246                 fi
2247                 cd ..
2248                 if test -f conftest.lib/confpackage.ali
2249                 then
2250                         cf_gnat_libraries=yes
2251                 fi
2252                 rm -rf conftest* *~conftest*
2253                 ;;
2254         esac
2255         ;;
2256 esac
2257 AC_MSG_RESULT($cf_gnat_projects)
2258 fi # enable_gnat_projects
2259
2260 if test $cf_gnat_projects = yes
2261 then
2262         AC_MSG_CHECKING(if GNAT supports libraries)
2263         AC_MSG_RESULT($cf_gnat_libraries)
2264 fi
2265
2266 if test "$cf_gnat_projects" = yes
2267 then
2268         USE_OLD_MAKERULES="#"
2269         USE_GNAT_PROJECTS=""
2270 else
2271         USE_OLD_MAKERULES=""
2272         USE_GNAT_PROJECTS="#"
2273 fi
2274
2275 if test "$cf_gnat_libraries" = yes
2276 then
2277         USE_GNAT_LIBRARIES=""
2278 else
2279         USE_GNAT_LIBRARIES="#"
2280 fi
2281
2282 AC_SUBST(USE_OLD_MAKERULES)
2283 AC_SUBST(USE_GNAT_PROJECTS)
2284 AC_SUBST(USE_GNAT_LIBRARIES)
2285 ])dnl
2286 dnl ---------------------------------------------------------------------------
2287 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2288 dnl --------------
2289 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2290 dnl is noted that gnat may compile a tasking unit even for configurations which
2291 dnl fail at runtime.
2292 AC_DEFUN([CF_GNAT_SIGINT],[
2293 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2294 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2295
2296 package ConfTest is
2297
2298    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2299    pragma Unreserve_All_Interrupts;
2300    pragma Warnings (On);
2301
2302    protected Process is
2303       procedure Stop;
2304       function Continue return Boolean;
2305       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2306    private
2307       Done : Boolean := False;
2308    end Process;
2309
2310 end ConfTest;],
2311 [package body ConfTest is
2312    protected body Process is
2313       procedure Stop is
2314       begin
2315          Done := True;
2316       end Stop;
2317       function Continue return Boolean is
2318       begin
2319          return not Done;
2320       end Continue;
2321    end Process;
2322 end ConfTest;],
2323         [cf_cv_gnat_sigint=yes],
2324         [cf_cv_gnat_sigint=no])])
2325
2326 if test $cf_cv_gnat_sigint = yes ; then
2327         USE_GNAT_SIGINT=""
2328 else
2329         USE_GNAT_SIGINT="#"
2330 fi
2331 AC_SUBST(USE_GNAT_SIGINT)
2332 ])dnl
2333 dnl ---------------------------------------------------------------------------
2334 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2335 dnl ----------------
2336 dnl Verify that a test program compiles/links with GNAT.
2337 dnl $cf_ada_make is set to the program that compiles/links
2338 dnl $ADAFLAGS may be set to the GNAT flags.
2339 dnl
2340 dnl $1 is the text of the spec
2341 dnl $2 is the text of the body
2342 dnl $3 is the shell command to execute if successful
2343 dnl $4 is the shell command to execute if not successful
2344 AC_DEFUN([CF_GNAT_TRY_LINK],
2345 [
2346 rm -rf conftest* *~conftest*
2347 cat >>conftest.ads <<CF_EOF
2348 $1
2349 CF_EOF
2350 cat >>conftest.adb <<CF_EOF
2351 $2
2352 CF_EOF
2353 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2354 ifelse($3,,      :,[      $3])
2355 ifelse($4,,,[else
2356    $4])
2357 fi
2358 rm -rf conftest* *~conftest*
2359 ])dnl
2360 dnl ---------------------------------------------------------------------------
2361 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2362 dnl ---------------
2363 dnl Verify that a test program compiles and runs with GNAT
2364 dnl $cf_ada_make is set to the program that compiles/links
2365 dnl $ADAFLAGS may be set to the GNAT flags.
2366 dnl
2367 dnl $1 is the text of the spec
2368 dnl $2 is the text of the body
2369 dnl $3 is the shell command to execute if successful
2370 dnl $4 is the shell command to execute if not successful
2371 AC_DEFUN([CF_GNAT_TRY_RUN],
2372 [
2373 rm -rf conftest* *~conftest*
2374 cat >>conftest.ads <<CF_EOF
2375 $1
2376 CF_EOF
2377 cat >>conftest.adb <<CF_EOF
2378 $2
2379 CF_EOF
2380 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2381    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2382 ifelse($3,,      :,[      $3])
2383 ifelse($4,,,[   else
2384       $4])
2385    fi
2386 ifelse($4,,,[else
2387    $4])
2388 fi
2389 rm -rf conftest* *~conftest*
2390 ])dnl
2391 dnl ---------------------------------------------------------------------------
2392 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
2393 dnl ---------------
2394 dnl Verify version of GNAT.
2395 AC_DEFUN([CF_GNAT_VERSION],
2396 [
2397 AC_MSG_CHECKING(for gnat version)
2398 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2399         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2400     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2401 AC_MSG_RESULT($cf_gnat_version)
2402
2403 case $cf_gnat_version in #(vi
2404 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
2405         cf_cv_prog_gnat_correct=yes
2406         ;;
2407 *)
2408         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2409         cf_cv_prog_gnat_correct=no
2410         ;;
2411 esac
2412 ])
2413 dnl ---------------------------------------------------------------------------
2414 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2415 dnl -------------
2416 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2417 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2418 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2419 dnl since it is interwoven with GNU extensions.
2420 dnl
2421 dnl Well, yes we could work around it...
2422 AC_DEFUN([CF_GNU_SOURCE],
2423 [
2424 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2425 AC_TRY_COMPILE([#include <sys/types.h>],[
2426 #ifndef _XOPEN_SOURCE
2427 make an error
2428 #endif],
2429         [cf_cv_gnu_source=no],
2430         [cf_save="$CPPFLAGS"
2431          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2432          AC_TRY_COMPILE([#include <sys/types.h>],[
2433 #ifdef _XOPEN_SOURCE
2434 make an error
2435 #endif],
2436         [cf_cv_gnu_source=no],
2437         [cf_cv_gnu_source=yes])
2438         CPPFLAGS="$cf_save"
2439         ])
2440 ])
2441 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2442 ])dnl
2443 dnl ---------------------------------------------------------------------------
2444 dnl CF_GPP_LIBRARY version: 11 updated: 2012/10/06 17:56:13
2445 dnl --------------
2446 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2447 dnl problem :-).  If we have the compiler but no library, we'll be able to
2448 dnl configure, but won't be able to build the c++ demo program.
2449 AC_DEFUN([CF_GPP_LIBRARY],
2450 [
2451 cf_cxx_library=unknown
2452 case $cf_cv_system_name in #(vi
2453 os2*) #(vi
2454         cf_gpp_libname=gpp
2455         ;;
2456 *)
2457         cf_gpp_libname=g++
2458         ;;
2459 esac
2460 if test "$GXX" = yes; then
2461         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2462         cf_save="$LIBS"
2463         CF_ADD_LIB($cf_gpp_libname)
2464         AC_TRY_LINK([
2465 #include <$cf_gpp_libname/builtin.h>
2466         ],
2467         [two_arg_error_handler_t foo2 = lib_error_handler],
2468         [cf_cxx_library=yes
2469          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2470          if test "$cf_gpp_libname" = cpp ; then
2471             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2472          else
2473             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2474          fi],
2475         [AC_TRY_LINK([
2476 #include <builtin.h>
2477         ],
2478         [two_arg_error_handler_t foo2 = lib_error_handler],
2479         [cf_cxx_library=yes
2480          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2481          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2482         [cf_cxx_library=no])])
2483         LIBS="$cf_save"
2484         AC_MSG_RESULT($cf_cxx_library)
2485 fi
2486 ])dnl
2487 dnl ---------------------------------------------------------------------------
2488 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2489 dnl --------------
2490 dnl Check for version of g++
2491 AC_DEFUN([CF_GXX_VERSION],[
2492 AC_REQUIRE([AC_PROG_CPP])
2493 GXX_VERSION=none
2494 if test "$GXX" = yes; then
2495         AC_MSG_CHECKING(version of ${CXX:-g++})
2496         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2497         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2498         AC_MSG_RESULT($GXX_VERSION)
2499 fi
2500 ])dnl
2501 dnl ---------------------------------------------------------------------------
2502 dnl CF_GXX_WARNINGS version: 8 updated: 2013/11/16 14:27:53
2503 dnl ---------------
2504 dnl Check if the compiler supports useful warning options.
2505 dnl
2506 dnl Most of gcc's options apply to g++, except:
2507 dnl     -Wbad-function-cast
2508 dnl     -Wmissing-declarations
2509 dnl     -Wnested-externs
2510 dnl
2511 dnl Omit a few (for now):
2512 dnl     -Winline
2513 dnl
2514 dnl Parameter:
2515 dnl     $1 is an optional list of g++ warning flags that a particular
2516 dnl             application might want to use, e.g., "no-unused" for
2517 dnl             -Wno-unused
2518 dnl Special:
2519 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2520 dnl
2521 AC_DEFUN([CF_GXX_WARNINGS],
2522 [
2523
2524 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2525 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2526
2527 AC_REQUIRE([CF_GXX_VERSION])
2528
2529 AC_LANG_SAVE
2530 AC_LANG_CPLUSPLUS
2531
2532 cat > conftest.$ac_ext <<EOF
2533 #line __oline__ "configure"
2534 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2535 EOF
2536
2537 if test "$INTEL_CPLUSPLUS" = yes
2538 then
2539 # The "-wdXXX" options suppress warnings:
2540 # remark #1419: external declaration in primary source file
2541 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2542 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2543 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2544 # remark #193: zero used for undefined preprocessing identifier
2545 # remark #593: variable "curs_sb_left_arrow" was set but never used
2546 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2547 # remark #869: parameter "tw" was never referenced
2548 # remark #981: operands are evaluated in unspecified order
2549 # warning #269: invalid format string conversion
2550
2551         AC_CHECKING([for $CC warning options])
2552         cf_save_CXXFLAGS="$CXXFLAGS"
2553         EXTRA_CXXFLAGS="-Wall"
2554         for cf_opt in \
2555                 wd1419 \
2556                 wd1682 \
2557                 wd1683 \
2558                 wd1684 \
2559                 wd193 \
2560                 wd279 \
2561                 wd593 \
2562                 wd810 \
2563                 wd869 \
2564                 wd981
2565         do
2566                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2567                 if AC_TRY_EVAL(ac_compile); then
2568                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2569                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2570                 fi
2571         done
2572         CXXFLAGS="$cf_save_CXXFLAGS"
2573
2574 elif test "$GXX" = yes
2575 then
2576         AC_CHECKING([for $CXX warning options])
2577         cf_save_CXXFLAGS="$CXXFLAGS"
2578         EXTRA_CXXFLAGS="-W -Wall"
2579         cf_gxx_extra_warnings=""
2580         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2581         case "$GCC_VERSION" in
2582         [[1-2]].*)
2583                 ;;
2584         *)
2585                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2586                 ;;
2587         esac
2588         for cf_opt in \
2589                 Wabi \
2590                 fabi-version=0 \
2591                 Wextra \
2592                 Wignored-qualifiers \
2593                 Wlogical-op \
2594                 Woverloaded-virtual \
2595                 Wsign-promo \
2596                 Wsynth \
2597                 Wold-style-cast \
2598                 Wcast-align \
2599                 Wcast-qual \
2600                 Wpointer-arith \
2601                 Wshadow \
2602                 Wundef $cf_gxx_extra_warnings $1
2603         do
2604                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2605                 if AC_TRY_EVAL(ac_compile); then
2606                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2607                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2608                 else
2609                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2610                 fi
2611         done
2612         CXXFLAGS="$cf_save_CXXFLAGS"
2613 fi
2614
2615 rm -rf conftest*
2616 AC_LANG_RESTORE
2617 AC_SUBST(EXTRA_CXXFLAGS)
2618 ])dnl
2619 dnl ---------------------------------------------------------------------------
2620 dnl CF_HASHED_DB version: 5 updated: 2014/04/12 16:47:01
2621 dnl ------------
2622 dnl Look for an instance of the Berkeley hashed database.
2623 dnl
2624 dnl $1 = optional parameter, to specify install-prefix for the database.
2625 AC_DEFUN([CF_HASHED_DB],
2626 [
2627 ifelse([$1],,,[
2628 case $1 in #(vi
2629 yes|*able*) #(vi
2630     ;;
2631 *)
2632     if test -d "$1" ; then
2633         CF_ADD_INCDIR($1/include)
2634         CF_ADD_LIBDIR($1/lib)
2635         else
2636                 case "$1" in #(vi
2637                 ./*|../*|/*)
2638                         AC_MSG_WARN(no such directory $1)
2639                         ;; #(vi
2640                 *)
2641                         CF_FIND_SUB_INCDIR($1)
2642                         CF_FIND_SUB_LIBDIR($1)
2643                         ;;
2644                 esac
2645     fi
2646 esac
2647 ])
2648 AC_CHECK_HEADER(db.h,[
2649 CF_HASHED_DB_VERSION
2650 if test "$cf_cv_hashed_db_version" = unknown ; then
2651         AC_MSG_ERROR(Cannot determine version of db)
2652 else
2653         CF_HASHED_DB_LIBS
2654         if test "$cf_cv_hashed_db_libs" = unknown ; then
2655                 AC_MSG_ERROR(Cannot determine library for db)
2656         elif test "$cf_cv_hashed_db_libs" != default ; then
2657                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2658         fi
2659 fi
2660 ],[
2661         AC_MSG_ERROR(Cannot find db.h)
2662 ])
2663 ])dnl
2664 dnl ---------------------------------------------------------------------------
2665 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2666 dnl -----------------
2667 dnl Given that we have the header and version for hashed database, find the
2668 dnl library information.
2669 AC_DEFUN([CF_HASHED_DB_LIBS],
2670 [
2671 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2672 cf_cv_hashed_db_libs=unknown
2673 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2674 do
2675         cf_save_libs="$LIBS"
2676         if test -n "$cf_db_libs"; then
2677                 CF_ADD_LIB($cf_db_libs)
2678         fi
2679         CF_MSG_LOG(checking for library "$cf_db_libs")
2680         AC_TRY_LINK([
2681 $ac_includes_default
2682 #include <db.h>
2683 ],[
2684         char *path = "/tmp/foo";
2685 #ifdef DB_VERSION_MAJOR
2686 #if DB_VERSION_MAJOR >= 4
2687         DB *result = 0;
2688         db_create(&result, NULL, 0);
2689         result->open(result,
2690                 NULL,
2691                 path,
2692                 path,
2693                 DB_HASH,
2694                 DB_CREATE,
2695                 0644);
2696 #elif DB_VERSION_MAJOR >= 3
2697         DB *result = 0;
2698         db_create(&result, NULL, 0);
2699         result->open(result,
2700                 path,
2701                 path,
2702                 DB_HASH,
2703                 DB_CREATE,
2704                 0644);
2705 #elif DB_VERSION_MAJOR >= 2
2706         DB *result = 0;
2707         db_open(path,
2708                 DB_HASH,
2709                 DB_CREATE,
2710                 0644,
2711                 (DB_ENV *) 0,
2712                 (DB_INFO *) 0,
2713                 &result);
2714 #endif /* DB_VERSION_MAJOR */
2715 #else
2716         DB *result = dbopen(path,
2717                      2,
2718                      0644,
2719                      DB_HASH,
2720                      0);
2721 #endif
2722         ${cf_cv_main_return:-return}(result != 0)
2723 ],[
2724         if test -n "$cf_db_libs" ; then
2725                 cf_cv_hashed_db_libs=$cf_db_libs
2726         else
2727                 cf_cv_hashed_db_libs=default
2728         fi
2729         LIBS="$cf_save_libs"
2730         break
2731 ])
2732         LIBS="$cf_save_libs"
2733 done
2734 ])
2735 ])dnl
2736 dnl ---------------------------------------------------------------------------
2737 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
2738 dnl --------------------
2739 dnl Given that we have the header file for hashed database, find the version
2740 dnl information.
2741 AC_DEFUN([CF_HASHED_DB_VERSION],
2742 [
2743 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2744 cf_cv_hashed_db_version=unknown
2745
2746 for cf_db_version in 1 2 3 4 5 6
2747 do
2748         CF_MSG_LOG(checking for db version $cf_db_version)
2749         AC_TRY_COMPILE([
2750 $ac_includes_default
2751 #include <db.h>
2752
2753 #ifdef DB_VERSION_MAJOR
2754         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2755 #if $cf_db_version == DB_VERSION_MAJOR
2756         /* ok */
2757 #else
2758         make an error
2759 #endif
2760 #else
2761 #if $cf_db_version == 1
2762         /* ok: assuming this is DB 1.8.5 */
2763 #else
2764         make an error
2765 #endif
2766 #endif
2767 ],[DBT *foo = 0],[
2768         cf_cv_hashed_db_version=$cf_db_version
2769         break
2770         ])
2771 done
2772 ])
2773 ])dnl
2774 dnl ---------------------------------------------------------------------------
2775 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2776 dnl --------------
2777 dnl Construct a search-list of directories for a nonstandard header-file
2778 dnl
2779 dnl Parameters
2780 dnl     $1 = the variable to return as result
2781 dnl     $2 = the package name
2782 AC_DEFUN([CF_HEADER_PATH],
2783 [
2784 $1=
2785
2786 # collect the current set of include-directories from compiler flags
2787 cf_header_path_list=""
2788 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2789         for cf_header_path in $CPPFLAGS $CFLAGS
2790         do
2791                 case $cf_header_path in #(vi
2792                 -I*)
2793                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2794                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2795                         cf_header_path_list="$cf_header_path_list [$]$1"
2796                         ;;
2797                 esac
2798         done
2799 fi
2800
2801 # add the variations for the package we are looking for
2802 CF_SUBDIR_PATH($1,$2,include)
2803
2804 test "$includedir" != NONE && \
2805 test "$includedir" != "/usr/include" && \
2806 test -d "$includedir" && {
2807         test -d $includedir &&    $1="[$]$1 $includedir"
2808         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2809 }
2810
2811 test "$oldincludedir" != NONE && \
2812 test "$oldincludedir" != "/usr/include" && \
2813 test -d "$oldincludedir" && {
2814         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2815         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2816 }
2817
2818 $1="[$]$1 $cf_header_path_list"
2819 ])dnl
2820 dnl ---------------------------------------------------------------------------
2821 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2822 dnl ---------------
2823 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2824 AC_DEFUN([CF_HELP_MESSAGE],
2825 [AC_DIVERT_HELP([$1])dnl
2826 ])dnl
2827 dnl ---------------------------------------------------------------------------
2828 dnl CF_INCLUDE_DIRS version: 9 updated: 2014/07/26 18:54:28
2829 dnl ---------------
2830 dnl Construct the list of include-options according to whether we're building
2831 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2832 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2833 dnl since that usually breaks gcc's shadow-includes.
2834 AC_DEFUN([CF_INCLUDE_DIRS],
2835 [
2836 if test "$GCC" != yes; then
2837         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2838 elif test "$includedir" != "/usr/include"; then
2839         if test "$includedir" = '${prefix}/include' ; then
2840                 if test x$prefix != x/usr ; then
2841                         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2842                 fi
2843         else
2844                 CPPFLAGS="-I\${includedir} $CPPFLAGS"
2845         fi
2846 fi
2847 if test "$srcdir" != "."; then
2848         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2849 fi
2850 CPPFLAGS="-I../include $CPPFLAGS"
2851 if test "$srcdir" != "."; then
2852         CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2853 fi
2854 CPPFLAGS="-I. $CPPFLAGS"
2855 AC_SUBST(CPPFLAGS)
2856 ])dnl
2857 dnl ---------------------------------------------------------------------------
2858 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
2859 dnl -----------------
2860 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2861 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2862 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2863 dnl
2864 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2865 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2866 dnl the wrappers for gcc and g++ warnings.
2867 dnl
2868 dnl $1 = GCC (default) or GXX
2869 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2870 dnl $3 = CFLAGS (default) or CXXFLAGS
2871 AC_DEFUN([CF_INTEL_COMPILER],[
2872 AC_REQUIRE([AC_CANONICAL_HOST])
2873 ifelse([$2],,INTEL_COMPILER,[$2])=no
2874
2875 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2876         case $host_os in
2877         linux*|gnu*)
2878                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2879                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2880                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2881                 AC_TRY_COMPILE([],[
2882 #ifdef __INTEL_COMPILER
2883 #else
2884 make an error
2885 #endif
2886 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2887 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2888 ],[])
2889                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2890                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2891                 ;;
2892         esac
2893 fi
2894 ])dnl
2895 dnl ---------------------------------------------------------------------------
2896 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
2897 dnl ----------
2898 dnl Check if we have either a function or macro for 'isascii()'.
2899 AC_DEFUN([CF_ISASCII],
2900 [
2901 AC_MSG_CHECKING(for isascii)
2902 AC_CACHE_VAL(cf_cv_have_isascii,[
2903         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2904         [cf_cv_have_isascii=yes],
2905         [cf_cv_have_isascii=no])
2906 ])dnl
2907 AC_MSG_RESULT($cf_cv_have_isascii)
2908 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
2909 ])dnl
2910 dnl ---------------------------------------------------------------------------
2911 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
2912 dnl ------------
2913 dnl Add checks for large file support.
2914 AC_DEFUN([CF_LARGEFILE],[
2915 ifdef([AC_FUNC_FSEEKO],[
2916     AC_SYS_LARGEFILE
2917     if test "$enable_largefile" != no ; then
2918         AC_FUNC_FSEEKO
2919
2920         # Normally we would collect these definitions in the config.h,
2921         # but (like _XOPEN_SOURCE), some environments rely on having these
2922         # defined before any of the system headers are included.  Another
2923         # case comes up with C++, e.g., on AIX the compiler compiles the
2924         # header files by themselves before looking at the body files it is
2925         # told to compile.  For ncurses, those header files do not include
2926         # the config.h
2927         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2928         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2929         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2930
2931         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2932                 AC_TRY_COMPILE([
2933 #include <sys/types.h>
2934 #include <dirent.h>
2935                 ],[
2936                 /* if transitional largefile support is setup, this is true */
2937                 extern struct dirent64 * readdir(DIR *);
2938                 struct dirent64 *x = readdir((DIR *)0);
2939                 struct dirent *y = readdir((DIR *)0);
2940                 int z = x - y;
2941                 ],
2942                 [cf_cv_struct_dirent64=yes],
2943                 [cf_cv_struct_dirent64=no])
2944         ])
2945         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2946     fi
2947 ])
2948 ])
2949 dnl ---------------------------------------------------------------------------
2950 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2951 dnl -----------------
2952 dnl Check for compiler/linker flags used to temporarily force usage of static
2953 dnl libraries.  This depends on the compiler and platform.  Use this to help
2954 dnl ensure that the linker picks up a given library based on its position in
2955 dnl the list of linker options and libraries.
2956 AC_DEFUN([CF_LDFLAGS_STATIC],[
2957
2958 if test "$GCC" = yes ; then
2959         case $cf_cv_system_name in #(
2960         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2961                 LDFLAGS_STATIC=
2962                 LDFLAGS_SHARED=
2963                 ;;
2964     *)  #( normally, except when broken
2965         LDFLAGS_STATIC=-static
2966         LDFLAGS_SHARED=-dynamic
2967         ;;
2968     esac
2969 else
2970         case $cf_cv_system_name in #(
2971         aix[[4-7]]*)    #( from ld manpage
2972                 LDFLAGS_STATIC=-bstatic
2973                 LDFLAGS_SHARED=-bdynamic
2974                 ;;
2975         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2976                 # We could also use just "archive" and "shared".
2977                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2978                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2979                 ;;
2980         irix*)          #( from ld manpage IRIX64
2981                 LDFLAGS_STATIC=-Bstatic
2982                 LDFLAGS_SHARED=-Bdynamic
2983                 ;;
2984         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2985                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2986                 LDFLAGS_STATIC=-noso
2987                 LDFLAGS_SHARED=-so_archive
2988                 ;;
2989         solaris2*)
2990                 LDFLAGS_STATIC=-Bstatic
2991                 LDFLAGS_SHARED=-Bdynamic
2992                 ;;
2993         esac
2994 fi
2995
2996 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2997 then
2998         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2999
3000         rm -f libconftest.a
3001         cat >conftest.$ac_ext <<EOF
3002 #line __oline__ "configure"
3003 #include <stdio.h>
3004 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3005 EOF
3006         if AC_TRY_EVAL(ac_compile) ; then
3007                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3008                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3009         fi
3010         rm -f conftest.*
3011
3012         cf_save_LIBS="$LIBS"
3013
3014         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3015         AC_TRY_LINK([
3016 #line __oline__ "configure"
3017 #include <stdio.h>
3018 int cf_ldflags_static(FILE *fp);
3019 ],[
3020         return cf_ldflags_static(stdin);
3021 ],[
3022         # some linkers simply ignore the -dynamic
3023         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
3024         *static*) # (vi
3025                 cf_ldflags_static=no
3026                 ;;
3027         *)
3028                 cf_ldflags_static=yes
3029                 ;;
3030         esac
3031 ],[cf_ldflags_static=no])
3032
3033         rm -f libconftest.*
3034         LIBS="$cf_save_LIBS"
3035
3036         AC_MSG_RESULT($cf_ldflags_static)
3037
3038         if test $cf_ldflags_static != yes
3039         then
3040                 LDFLAGS_STATIC=
3041                 LDFLAGS_SHARED=
3042         fi
3043 else
3044         LDFLAGS_STATIC=
3045         LDFLAGS_SHARED=
3046 fi
3047
3048 AC_SUBST(LDFLAGS_STATIC)
3049 AC_SUBST(LDFLAGS_SHARED)
3050 ])
3051 dnl ---------------------------------------------------------------------------
3052 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
3053 dnl ---------------
3054 dnl For the given system and compiler, find the compiler flags to pass to the
3055 dnl loader to use the "rpath" feature.
3056 AC_DEFUN([CF_LD_RPATH_OPT],
3057 [
3058 AC_REQUIRE([CF_CHECK_CACHE])
3059
3060 LD_RPATH_OPT=
3061 AC_MSG_CHECKING(for an rpath option)
3062 case $cf_cv_system_name in #(vi
3063 irix*) #(vi
3064         if test "$GCC" = yes; then
3065                 LD_RPATH_OPT="-Wl,-rpath,"
3066         else
3067                 LD_RPATH_OPT="-rpath "
3068         fi
3069         ;;
3070 linux*|gnu*|k*bsd*-gnu) #(vi
3071         LD_RPATH_OPT="-Wl,-rpath,"
3072         ;;
3073 openbsd[[2-9]].*|mirbsd*) #(vi
3074         LD_RPATH_OPT="-Wl,-rpath,"
3075         ;;
3076 dragonfly*|freebsd*) #(vi
3077         LD_RPATH_OPT="-rpath "
3078         ;;
3079 netbsd*) #(vi
3080         LD_RPATH_OPT="-Wl,-rpath,"
3081         ;;
3082 osf*|mls+*) #(vi
3083         LD_RPATH_OPT="-rpath "
3084         ;;
3085 solaris2*) #(vi
3086         LD_RPATH_OPT="-R"
3087         ;;
3088 *)
3089         ;;
3090 esac
3091 AC_MSG_RESULT($LD_RPATH_OPT)
3092
3093 case "x$LD_RPATH_OPT" in #(vi
3094 x-R*)
3095         AC_MSG_CHECKING(if we need a space after rpath option)
3096         cf_save_LIBS="$LIBS"
3097         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3098         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3099         LIBS="$cf_save_LIBS"
3100         AC_MSG_RESULT($cf_rpath_space)
3101         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3102         ;;
3103 esac
3104 ])dnl
3105 dnl ---------------------------------------------------------------------------
3106 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
3107 dnl ---------------
3108 dnl Construct a search-list of directories for a nonstandard library-file
3109 dnl
3110 dnl Parameters
3111 dnl     $1 = the variable to return as result
3112 dnl     $2 = the package name
3113 AC_DEFUN([CF_LIBRARY_PATH],
3114 [
3115 $1=
3116 cf_library_path_list=""
3117 if test -n "${LDFLAGS}${LIBS}" ; then
3118         for cf_library_path in $LDFLAGS $LIBS
3119         do
3120                 case $cf_library_path in #(vi
3121                 -L*)
3122                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3123                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3124                         cf_library_path_list="$cf_library_path_list [$]$1"
3125                         ;;
3126                 esac
3127         done
3128 fi
3129
3130 CF_SUBDIR_PATH($1,$2,lib)
3131
3132 $1="$cf_library_path_list [$]$1"
3133 ])dnl
3134 dnl ---------------------------------------------------------------------------
3135 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3136 dnl ------------------
3137 AC_DEFUN([CF_LIBTOOL_VERSION],[
3138 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3139 then
3140         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3141 else
3142         cf_cv_libtool_version=
3143 fi
3144 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3145 ])dnl
3146 dnl ---------------------------------------------------------------------------
3147 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
3148 dnl -------------
3149 dnl Compute the library-prefix for the given host system
3150 dnl $1 = variable to set
3151 define([CF_LIB_PREFIX],
3152 [
3153         case $cf_cv_system_name in #(vi
3154         OS/2*|os2*) #(vi
3155         LIB_PREFIX=''
3156         ;;
3157         *)      LIB_PREFIX='lib'
3158         ;;
3159         esac
3160 ifelse($1,,,[$1=$LIB_PREFIX])
3161         AC_SUBST(LIB_PREFIX)
3162 ])dnl
3163 dnl ---------------------------------------------------------------------------
3164 dnl CF_LIB_RULES version: 74 updated: 2013/09/07 13:54:05
3165 dnl ------------
3166 dnl Append definitions and rules for the given models to the subdirectory
3167 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3168 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3169 dnl the corresponding makefile to list the models that we'll generate.
3170 dnl
3171 dnl For shared libraries, make a list of symbolic links to construct when
3172 dnl generating each library.  The convention used for Linux is the simplest
3173 dnl one:
3174 dnl     lib<name>.so    ->
3175 dnl     lib<name>.so.<major>    ->
3176 dnl     lib<name>.so.<maj>.<minor>
3177 dnl
3178 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3179 AC_DEFUN([CF_LIB_RULES],
3180 [
3181 cf_prefix=$LIB_PREFIX
3182 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3183
3184 case $cf_cv_shlib_version in #(vi
3185 cygdll|msysdll|mingw)
3186         TINFO_NAME=$TINFO_ARG_SUFFIX
3187         TINFO_SUFFIX=.dll
3188         ;;
3189 esac
3190
3191 if test -n "$TINFO_SUFFIX" ; then
3192         case $TINFO_SUFFIX in
3193         tw*)
3194                 TINFO_NAME="${TINFO_NAME}tw"
3195                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3196                 ;;
3197         t*)
3198                 TINFO_NAME="${TINFO_NAME}t"
3199                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3200                 ;;
3201         w*)
3202                 TINFO_NAME="${TINFO_NAME}w"
3203                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3204                 ;;
3205         esac
3206 fi
3207
3208 for cf_dir in $SRC_SUBDIRS
3209 do
3210         if test ! -d $srcdir/$cf_dir ; then
3211                 continue
3212         elif test -f $srcdir/$cf_dir/modules; then
3213
3214                 SHARED_LIB=
3215                 Libs_To_Make=
3216                 for cf_item in $cf_LIST_MODELS
3217                 do
3218                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3219                         cf_libname=$cf_dir
3220                         test "$cf_dir" = c++ && cf_libname=ncurses++
3221                         if test $cf_item = shared ; then
3222                                 if test -n "${LIB_SUFFIX}"
3223                                 then
3224                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3225                                 else
3226                                         cf_shared_suffix="$cf_suffix"
3227                                 fi
3228                                 if test "$cf_cv_do_symlinks" = yes ; then
3229                                         cf_version_name=
3230
3231                                         case "$cf_cv_shlib_version" in #(vi
3232                                         rel) #(vi
3233                                                 cf_version_name=REL_VERSION
3234                                                 ;;
3235                                         abi)
3236                                                 cf_version_name=ABI_VERSION
3237                                                 ;;
3238                                         esac
3239
3240                                         if test -n "$cf_version_name"
3241                                         then
3242                                                 case "$cf_cv_system_name" in #(vi
3243                                                 darwin*)
3244                                                         # "w", etc?
3245                                                         cf_suffix="${LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3246                                                         ;; #(vi
3247                                                 *)
3248                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3249                                                         ;;
3250                                                 esac
3251                                         fi
3252                                         if test -n "${LIB_SUFFIX}"
3253                                         then
3254                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3255                                         else
3256                                                 cf_shared_suffix="$cf_suffix"
3257                                         fi
3258                                 fi
3259                                 # cygwin needs import library, and has unique naming convention
3260                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3261                                 # use 'cyg' prefix for shared lib.
3262                                 case $cf_cv_shlib_version in #(vi
3263                                 cygdll) #(vi
3264                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3265                                         Libs_To_Make="$Libs_To_Make ../lib/cyg${cf_libname}${cf_cygsuf}"
3266                                         continue
3267                                         ;;
3268                                 msysdll) #(vi
3269                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3270                                         Libs_To_Make="$Libs_To_Make ../lib/msys-${cf_libname}${cf_cygsuf}"
3271                                         continue
3272                                         ;;
3273                                 mingw)
3274                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3275                                         Libs_To_Make="$Libs_To_Make ../lib/lib${cf_libname}${cf_cygsuf}"
3276                                         continue
3277                                         ;;
3278                                 esac
3279                         fi
3280                         Libs_To_Make="$Libs_To_Make ../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3281                 done
3282
3283                 if test $cf_dir = ncurses ; then
3284                         cf_subsets="$LIB_SUBSETS"
3285                         cf_r_parts="$cf_subsets"
3286                         cf_liblist="$Libs_To_Make"
3287
3288                         while test -n "$cf_r_parts"
3289                         do
3290                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3291                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3292                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3293                                         cf_item=
3294                                         case $cf_l_parts in #(vi
3295                                         *termlib*) #(vi
3296                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3297                                                 ;;
3298                                         *ticlib*)
3299                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3300                                                 ;;
3301                                         *)
3302                                                 break
3303                                                 ;;
3304                                         esac
3305                                         if test -n "$cf_item"; then
3306                                                 Libs_To_Make="$cf_item $Libs_To_Make"
3307                                         fi
3308                                 else
3309                                         break
3310                                 fi
3311                         done
3312                 else
3313                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3314                 fi
3315
3316                 if test $cf_dir = c++; then
3317                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3318                                 cf_list=
3319                                 for cf_item in $Libs_To_Make
3320                                 do
3321                                         case $cf_item in
3322                                         *.a)
3323                                                 ;;
3324                                         *)
3325                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3326                                                 ;;
3327                                         esac
3328                                         for cf_test in $cf_list
3329                                         do
3330                                                 if test "$cf_test" = "$cf_item"
3331                                                 then
3332                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3333                                                         cf_item=
3334                                                         break
3335                                                 fi
3336                                         done
3337                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3338                                 done
3339                                 Libs_To_Make="$cf_list"
3340                         fi
3341                 fi
3342
3343                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3344                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3345                         $cf_dir/Makefile >$cf_dir/Makefile.out
3346                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3347
3348                 $AWK -f $srcdir/mk-0th.awk \
3349                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3350                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3351
3352                 for cf_subset in $cf_subsets
3353                 do
3354                         cf_subdirs=
3355                         for cf_item in $cf_LIST_MODELS
3356                         do
3357
3358                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3359                         CF_UPPER(cf_ITEM,$cf_item)
3360
3361                         CXX_MODEL=$cf_ITEM
3362                         if test "$CXX_MODEL" = SHARED; then
3363                                 case $cf_cv_shlib_version in #(vi
3364                                 cygdll|msysdll|mingw) #(vi
3365                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3366                                         with_shared_cxx=yes
3367                                         ;;
3368                                 *)
3369                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3370                                         ;;
3371                                 esac
3372                         fi
3373
3374                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3375                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3376
3377                         # Test for case where we build libtinfo with a different name.
3378                         cf_libname=$cf_dir
3379                         if test $cf_dir = ncurses ; then
3380                                 case $cf_subset in
3381                                 *base*)
3382                                         cf_libname=${cf_libname}$LIB_SUFFIX
3383                                         ;;
3384                                 *termlib*)
3385                                         cf_libname=$TINFO_LIB_SUFFIX
3386                                         ;;
3387                                 ticlib*)
3388                                         cf_libname=$TICS_LIB_SUFFIX
3389                                         ;;
3390                                 esac
3391                         elif test $cf_dir = c++ ; then
3392                                 cf_libname=ncurses++$LIB_SUFFIX
3393                         else
3394                                 cf_libname=${cf_libname}$LIB_SUFFIX
3395                         fi
3396                         if test -n "${DFT_ARG_SUFFIX}" ; then
3397                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3398                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3399                         fi
3400
3401                         # These dependencies really are for development, not
3402                         # builds, but they are useful in porting, too.
3403                         cf_depend="../include/ncurses_cfg.h"
3404                         if test "$srcdir" = "."; then
3405                                 cf_reldir="."
3406                         else
3407                                 cf_reldir="\${srcdir}"
3408                         fi
3409
3410                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3411                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3412                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3413                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3414                         fi
3415
3416                         cf_dir_suffix=
3417                         old_cf_suffix="$cf_suffix"
3418                         if test "$cf_cv_shlib_version_infix" = yes ; then
3419                         if test -n "$LIB_SUFFIX" ; then
3420                                 case $LIB_SUFFIX in
3421                                 tw*)
3422                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3423                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3424                                         cf_dir_suffix=tw
3425                                         ;;
3426                                 t*)
3427                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3428                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3429                                         cf_dir_suffix=t
3430                                         ;;
3431                                 w*)
3432                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3433                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3434                                         cf_dir_suffix=w
3435                                         ;;
3436                                 esac
3437                         fi
3438                         fi
3439
3440                         $AWK -f $srcdir/mk-1st.awk \
3441                                 name=${cf_libname}${cf_dir_suffix} \
3442                                 traces=$LIB_TRACING \
3443                                 MODEL=$cf_ITEM \
3444                                 CXX_MODEL=$CXX_MODEL \
3445                                 model=$cf_subdir \
3446                                 prefix=$cf_prefix \
3447                                 suffix=$cf_suffix \
3448                                 subset=$cf_subset \
3449                                 driver=$cf_cv_term_driver \
3450                                 SymLink="$LN_S" \
3451                                 TermlibRoot=$TINFO_NAME \
3452                                 TermlibSuffix=$TINFO_SUFFIX \
3453                                 ShlibVer=$cf_cv_shlib_version \
3454                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3455                                 ReLink=${cf_cv_do_relink:-no} \
3456                                 DoLinks=$cf_cv_do_symlinks \
3457                                 rmSoLocs=$cf_cv_rm_so_locs \
3458                                 ldconfig="$LDCONFIG" \
3459                                 overwrite=$WITH_OVERWRITE \
3460                                 depend="$cf_depend" \
3461                                 host="$host" \
3462                                 libtool_version="$LIBTOOL_VERSION" \
3463                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3464
3465                         cf_suffix="$old_cf_suffix"
3466
3467                         for cf_subdir2 in $cf_subdirs lib
3468                         do
3469                                 test $cf_subdir = $cf_subdir2 && break
3470                         done
3471                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3472                         $AWK -f $srcdir/mk-2nd.awk \
3473                                 name=$cf_dir \
3474                                 traces=$LIB_TRACING \
3475                                 MODEL=$cf_ITEM \
3476                                 model=$cf_subdir \
3477                                 subset=$cf_subset \
3478                                 srcdir=$srcdir \
3479                                 echo=$WITH_ECHO \
3480                                 crenames=$cf_cv_prog_CC_c_o \
3481                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3482                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3483                         cf_subdirs="$cf_subdirs $cf_subdir"
3484                         done
3485                 done
3486         fi
3487
3488         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3489 done
3490
3491 for cf_dir in $SRC_SUBDIRS
3492 do
3493         if test ! -d $srcdir/$cf_dir ; then
3494                 continue
3495         fi
3496
3497         if test -f $cf_dir/Makefile ; then
3498                 case "$cf_dir" in
3499                 Ada95) #(vi
3500                         echo 'libs \' >> Makefile
3501                         echo 'install.libs \' >> Makefile
3502                         echo 'uninstall.libs ::' >> Makefile
3503                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3504                         ;;
3505                 esac
3506         fi
3507
3508         if test -f $srcdir/$cf_dir/modules; then
3509                 echo >> Makefile
3510                 if test -f $srcdir/$cf_dir/headers; then
3511 cat >> Makefile <<CF_EOF
3512 install.includes \\
3513 uninstall.includes \\
3514 CF_EOF
3515                 fi
3516 if test "$cf_dir" != "c++" ; then
3517 echo 'lint \' >> Makefile
3518 fi
3519 cat >> Makefile <<CF_EOF
3520 libs \\
3521 lintlib \\
3522 install.libs \\
3523 uninstall.libs \\
3524 install.$cf_dir \\
3525 uninstall.$cf_dir ::
3526         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3527 CF_EOF
3528         elif test -f $srcdir/$cf_dir/headers; then
3529 cat >> Makefile <<CF_EOF
3530
3531 libs \\
3532 install.libs \\
3533 uninstall.libs \\
3534 install.includes \\
3535 uninstall.includes ::
3536         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3537 CF_EOF
3538 fi
3539 done
3540
3541 if test "x$cf_with_db_install" = xyes; then
3542 cat >> Makefile <<CF_EOF
3543
3544 install.libs uninstall.libs \\
3545 install.data uninstall.data ::
3546 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3547 CF_EOF
3548 fi
3549
3550 if test "x$cf_with_manpages" = xyes; then
3551 cat >> Makefile <<CF_EOF
3552
3553 install.man \\
3554 uninstall.man ::
3555         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3556 CF_EOF
3557 fi
3558
3559 cat >> Makefile <<CF_EOF
3560
3561 distclean ::
3562         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3563         rm -f headers.sh headers.sed mk_shared_lib.sh
3564         rm -f edit_man.* man_alias.*
3565         rm -rf \${DIRS_TO_MAKE}
3566 CF_EOF
3567
3568 # Special case: tack's manpage lives in its own directory.
3569 if test "x$cf_with_manpages" = xyes; then
3570 if test -d tack ; then
3571 if test -f $srcdir/$tack.h; then
3572 cat >> Makefile <<CF_EOF
3573
3574 install.man \\
3575 uninstall.man ::
3576         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3577 CF_EOF
3578 fi
3579 fi
3580 fi
3581
3582 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3583 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3584 dnl anything, and will make it more standardized.  It's awkward to decide this
3585 dnl at configuration because of quoting, so we'll simply make all headers
3586 dnl installed via a script that can do the right thing.
3587
3588 rm -f headers.sed headers.sh
3589
3590 dnl ( generating this script makes the makefiles a little tidier :-)
3591 echo creating headers.sh
3592 cat >headers.sh <<CF_EOF
3593 #! /bin/sh
3594 # This shell script is generated by the 'configure' script.  It is invoked in a
3595 # subdirectory of the build tree.  It generates a sed-script in the parent
3596 # directory that is used to adjust includes for header files that reside in a
3597 # subdirectory of /usr/include, etc.
3598 PRG=""
3599 while test \[$]# != 3
3600 do
3601 PRG="\$PRG \[$]1"; shift
3602 done
3603 DST=\[$]1
3604 REF=\[$]2
3605 SRC=\[$]3
3606 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3607 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3608 echo installing \$SRC in \$DST
3609 CF_EOF
3610
3611 if test $WITH_CURSES_H = yes; then
3612         cat >>headers.sh <<CF_EOF
3613 case \$DST in
3614 /*/include/*)
3615         END=\`basename \$DST\`
3616         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3617         do
3618                 NAME=\`basename \$i\`
3619                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3620         done
3621         ;;
3622 *)
3623         echo "" >> \$TMPSED
3624         ;;
3625 esac
3626 CF_EOF
3627
3628 else
3629         cat >>headers.sh <<CF_EOF
3630 case \$DST in
3631 /*/include/*)
3632         END=\`basename \$DST\`
3633         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3634         do
3635                 NAME=\`basename \$i\`
3636                 if test "\$NAME" = "curses.h"
3637                 then
3638                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3639                         NAME=ncurses.h
3640                 fi
3641                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3642         done
3643         ;;
3644 *)
3645         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3646         ;;
3647 esac
3648 CF_EOF
3649 fi
3650 cat >>headers.sh <<CF_EOF
3651 rm -f \$TMPSRC
3652 sed -f \$TMPSED \$SRC > \$TMPSRC
3653 NAME=\`basename \$SRC\`
3654 CF_EOF
3655 if test $WITH_CURSES_H != yes; then
3656         cat >>headers.sh <<CF_EOF
3657 test "\$NAME" = "curses.h" && NAME=ncurses.h
3658 CF_EOF
3659 fi
3660 cat >>headers.sh <<CF_EOF
3661 # Just in case someone gzip'd manpages, remove the conflicting copy.
3662 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3663
3664 eval \$PRG \$TMPSRC \$DST/\$NAME
3665 rm -f \$TMPSRC \$TMPSED
3666 CF_EOF
3667
3668 chmod 0755 headers.sh
3669
3670 for cf_dir in $SRC_SUBDIRS
3671 do
3672         if test ! -d $srcdir/$cf_dir ; then
3673                 continue
3674         fi
3675
3676         if test -f $srcdir/$cf_dir/headers; then
3677                 $AWK -f $srcdir/mk-hdr.awk \
3678                         subset="$LIB_SUBSETS" \
3679                         compat="$WITH_CURSES_H" \
3680                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3681         fi
3682
3683         if test -f $srcdir/$cf_dir/modules; then
3684                 if test "$cf_dir" != "c++" ; then
3685                         cat >>$cf_dir/Makefile <<"CF_EOF"
3686 depend : ${AUTO_SRC}
3687         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3688
3689 # DO NOT DELETE THIS LINE -- make depend depends on it.
3690 CF_EOF
3691                 fi
3692         fi
3693 done
3694 AC_SUBST(Libs_To_Make)
3695 ])dnl
3696 dnl ---------------------------------------------------------------------------
3697 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3698 dnl -------------
3699 dnl Find the and soname for the given shared library.  Set the cache variable
3700 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3701 dnl variable to "unknown".
3702 dnl
3703 dnl $1 = headers
3704 dnl $2 = code
3705 dnl $3 = library name
3706 AC_DEFUN([CF_LIB_SONAME],
3707 [
3708 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3709
3710 cf_cv_$3_soname=unknown
3711 if test "$cross_compiling" != yes ; then
3712 cat >conftest.$ac_ext <<CF_EOF
3713 $1
3714 int main()
3715 {
3716 $2
3717         ${cf_cv_main_return:-return}(0);
3718 }
3719 CF_EOF