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 1.690 2014/05/10 21:07:38 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: 4 updated: 2013/03/04 19:52:56
  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], ,[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: 10 updated: 2010/05/26 05:38:42
 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 ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
 147
 148                         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 149                                 && test -z "${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 ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
 184
 185         test "${cf_add_cflags}" != "${cf_tst_cflags}" \
 186                 && test -z "${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: 1 updated: 2010/06/02 05:03:05
 313 dnl -----------
 314 dnl Add one or more libraries, used to enforce consistency.
 315 dnl
 316 dnl $1 = libraries to add, with the "-l", etc.
 317 dnl $2 = variable to update (default $LIBS)
 318 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
 319 dnl ---------------------------------------------------------------------------
 320 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
 321 dnl ------------------
 322 dnl Append to a search-list for a nonstandard header/lib-file
 323 dnl     $1 = the variable to return as result
 324 dnl     $2 = the package name
 325 dnl     $3 = the subdirectory, e.g., bin, include or lib
 326 dnl $4 = the directory under which we will test for subdirectories
 327 dnl $5 = a directory that we do not want $4 to match
 328 AC_DEFUN([CF_ADD_SUBDIR_PATH],
 329 [
 330 test "x$4" != "x$5" && \
 331 test -d "$4" && \
 332 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
 333         test -n "$verbose" && echo "    ... testing for $3-directories under $4"
 334         test -d $4/$3 &&          $1="[$]$1 $4/$3"
 335         test -d $4/$3/$2 &&       $1="[$]$1 $4/$3/$2"
 336         test -d $4/$3/$2/$3 &&    $1="[$]$1 $4/$3/$2/$3"
 337         test -d $4/$2/$3 &&       $1="[$]$1 $4/$2/$3"
 338         test -d $4/$2/$3/$2 &&    $1="[$]$1 $4/$2/$3/$2"
 339 }
 340 ])dnl
 341 dnl ---------------------------------------------------------------------------
 342 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
 343 dnl --------------
 344 dnl Allow user to disable a normally-on option.
 345 AC_DEFUN([CF_ARG_DISABLE],
 346 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
 347 dnl ---------------------------------------------------------------------------
 348 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
 349 dnl -------------
 350 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
 351 dnl values.
 352 dnl
 353 dnl Parameters:
 354 dnl $1 = option name
 355 dnl $2 = help-string
 356 dnl $3 = action to perform if option is not default
 357 dnl $4 = action if perform if option is default
 358 dnl $5 = default option value (either 'yes' or 'no')
 359 AC_DEFUN([CF_ARG_OPTION],
 360 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
 361   if test "$enableval" != "$5" ; then
 362 ifelse([$3],,[    :]dnl
 363 ,[    $3]) ifelse([$4],,,[
 364   else
 365     $4])
 366   fi],[enableval=$5 ifelse([$4],,,[
 367   $4
 368 ])dnl
 369   ])])dnl
 370 dnl ---------------------------------------------------------------------------
 371 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
 372 dnl -----------
 373 dnl Check for suitable "ar" (archiver) options for updating an archive.
 374 AC_DEFUN([CF_AR_FLAGS],[
 375 AC_REQUIRE([CF_PROG_AR])
 376
 377 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
 378         cf_cv_ar_flags=unknown
 379         for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
 380         do
 381
 382                 # check if $ARFLAGS already contains this choice
 383                 if test "x$ARFLAGS" != "x" ; then
 384                         cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
 385                         if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
 386                                 cf_cv_ar_flags=
 387                                 break
 388                         fi
 389                 fi
 390
 391                 rm -f conftest.$ac_cv_objext
 392                 rm -f conftest.a
 393
 394                 cat >conftest.$ac_ext <<EOF
 395 #line __oline__ "configure"
 396 int     testdata[[3]] = { 123, 456, 789 };
 397 EOF
 398                 if AC_TRY_EVAL(ac_compile) ; then
 399                         echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
 400                         $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
 401                         if test -f conftest.a ; then
 402                                 cf_cv_ar_flags=$cf_ar_flags
 403                                 break
 404                         fi
 405                 else
 406                         CF_VERBOSE(cannot compile test-program)
 407                         break
 408                 fi
 409         done
 410         rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
 411 ])
 412
 413 if test -n "$ARFLAGS" ; then
 414         if test -n "$cf_cv_ar_flags" ; then
 415                 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
 416         fi
 417 else
 418         ARFLAGS=$cf_cv_ar_flags
 419 fi
 420
 421 AC_SUBST(ARFLAGS)
 422 ])
 423 dnl ---------------------------------------------------------------------------
 424 dnl CF_AWK_BIG_PRINTF version: 4 updated: 2011/10/30 17:09:50
 425 dnl -----------------
 426 dnl Check if awk can handle big strings using printf.  Some older versions of
 427 dnl awk choke on large strings passed via "%s".
 428 dnl
 429 dnl $1 = desired string size
 430 dnl $2 = variable to set with result
 431 AC_DEFUN([CF_AWK_BIG_PRINTF],
 432 [
 433         case x$AWK in #(vi
 434         x)
 435                 eval $2=no
 436                 ;;
 437         *) #(vi
 438                 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
 439                         | $AWK '{ printf "%d\n", length([$]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
 440                         eval $2=yes
 441                 else
 442                         eval $2=no
 443                 fi
 444                 ;;
 445         esac
 446 ])dnl
 447 dnl ---------------------------------------------------------------------------
 448 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
 449 dnl ------------
 450 dnl Test if 'bool' is a builtin type in the configured C++ compiler.  Some
 451 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
 452 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
 453 dnl
 454 dnl Treat the configuration-variable specially here, since we're directly
 455 dnl substituting its value (i.e., 1/0).
 456 dnl
 457 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
 458 AC_DEFUN([CF_BOOL_DECL],
 459 [
 460 AC_MSG_CHECKING(if we should include stdbool.h)
 461
 462 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
 463         AC_TRY_COMPILE([],[bool foo = false],
 464                 [cf_cv_header_stdbool_h=0],
 465                 [AC_TRY_COMPILE([
 466 #ifndef __BEOS__
 467 #include <stdbool.h>
 468 #endif
 469 ],[bool foo = false],
 470                         [cf_cv_header_stdbool_h=1],
 471                         [cf_cv_header_stdbool_h=0])])])
 472
 473 if test "$cf_cv_header_stdbool_h" = 1
 474 then    AC_MSG_RESULT(yes)
 475 else    AC_MSG_RESULT(no)
 476 fi
 477
 478 AC_MSG_CHECKING([for builtin bool type])
 479
 480 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
 481         AC_TRY_COMPILE([
 482 #include <stdio.h>
 483 #include <sys/types.h>
 484 ],[bool x = false],
 485                 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
 486                 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
 487         ])
 488
 489 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
 490 then    AC_MSG_RESULT(yes)
 491 else    AC_MSG_RESULT(no)
 492 fi
 493 ])dnl
 494 dnl ---------------------------------------------------------------------------
 495 dnl CF_BOOL_SIZE version: 13 updated: 2013/04/13 18:03:21
 496 dnl ------------
 497 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
 498 dnl Don't bother looking for bool.h, since it's been deprecated.
 499 dnl
 500 dnl If the current compiler is C rather than C++, we get the bool definition
 501 dnl from <stdbool.h>.
 502 AC_DEFUN([CF_BOOL_SIZE],
 503 [
 504 AC_MSG_CHECKING([for size of bool])
 505 AC_CACHE_VAL(cf_cv_type_of_bool,[
 506         rm -f cf_test.out
 507         AC_TRY_RUN([
 508 #include <stdlib.h>
 509 #include <stdio.h>
 510
 511 #if defined(__cplusplus)
 512
 513 #ifdef HAVE_GXX_BUILTIN_H
 514 #include <g++/builtin.h>
 515 #elif HAVE_GPP_BUILTIN_H
 516 #include <gpp/builtin.h>
 517 #elif HAVE_BUILTIN_H
 518 #include <builtin.h>
 519 #endif
 520
 521 #else
 522
 523 #if $cf_cv_header_stdbool_h
 524 #include <stdbool.h>
 525 #endif
 526
 527 #endif
 528
 529 int main()
 530 {
 531         FILE *fp = fopen("cf_test.out", "w");
 532         if (fp != 0) {
 533                 bool x = true;
 534                 if ((bool)(-x) >= 0)
 535                         fputs("unsigned ", fp);
 536                 if (sizeof(x) == sizeof(int))       fputs("int",  fp);
 537                 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
 538                 else if (sizeof(x) == sizeof(short))fputs("short",fp);
 539                 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
 540                 fclose(fp);
 541         }
 542         ${cf_cv_main_return:-return}(0);
 543 }
 544                 ],
 545                 [cf_cv_type_of_bool=`cat cf_test.out`
 546                  if test -z "$cf_cv_type_of_bool"; then
 547                    cf_cv_type_of_bool=unknown
 548                  fi],
 549                 [cf_cv_type_of_bool=unknown],
 550                 [cf_cv_type_of_bool=unknown])
 551         ])
 552         rm -f cf_test.out
 553 AC_MSG_RESULT($cf_cv_type_of_bool)
 554 if test "$cf_cv_type_of_bool" = unknown ; then
 555         case .$NCURSES_BOOL in #(vi
 556         .auto|.) NCURSES_BOOL=unsigned;;
 557         esac
 558         AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
 559         cf_cv_type_of_bool=$NCURSES_BOOL
 560 fi
 561 ])dnl
 562 dnl ---------------------------------------------------------------------------
 563 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
 564 dnl -----------
 565 dnl If we're cross-compiling, allow the user to override the tools and their
 566 dnl options.  The configure script is oriented toward identifying the host
 567 dnl compiler, etc., but we need a build compiler to generate parts of the
 568 dnl source.
 569 dnl
 570 dnl $1 = default for $CPPFLAGS
 571 dnl $2 = default for $LIBS
 572 AC_DEFUN([CF_BUILD_CC],[
 573 CF_ACVERSION_CHECK(2.52,,
 574         [AC_REQUIRE([CF_PROG_EXT])])
 575 if test "$cross_compiling" = yes ; then
 576
 577         # defaults that we might want to override
 578         : ${BUILD_CFLAGS:=''}
 579         : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
 580         : ${BUILD_LDFLAGS:=''}
 581         : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
 582         : ${BUILD_EXEEXT:='$x'}
 583         : ${BUILD_OBJEXT:='o'}
 584
 585         AC_ARG_WITH(build-cc,
 586                 [  --with-build-cc=XXX     the build C compiler ($BUILD_CC)],
 587                 [BUILD_CC="$withval"],
 588                 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
 589         AC_MSG_CHECKING(for native build C compiler)
 590         AC_MSG_RESULT($BUILD_CC)
 591
 592         AC_MSG_CHECKING(for native build C preprocessor)
 593         AC_ARG_WITH(build-cpp,
 594                 [  --with-build-cpp=XXX    the build C preprocessor ($BUILD_CPP)],
 595                 [BUILD_CPP="$withval"],
 596                 [BUILD_CPP='${BUILD_CC} -E'])
 597         AC_MSG_RESULT($BUILD_CPP)
 598
 599         AC_MSG_CHECKING(for native build C flags)
 600         AC_ARG_WITH(build-cflags,
 601                 [  --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
 602                 [BUILD_CFLAGS="$withval"])
 603         AC_MSG_RESULT($BUILD_CFLAGS)
 604
 605         AC_MSG_CHECKING(for native build C preprocessor-flags)
 606         AC_ARG_WITH(build-cppflags,
 607                 [  --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
 608                 [BUILD_CPPFLAGS="$withval"])
 609         AC_MSG_RESULT($BUILD_CPPFLAGS)
 610
 611         AC_MSG_CHECKING(for native build linker-flags)
 612         AC_ARG_WITH(build-ldflags,
 613                 [  --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
 614                 [BUILD_LDFLAGS="$withval"])
 615         AC_MSG_RESULT($BUILD_LDFLAGS)
 616
 617         AC_MSG_CHECKING(for native build linker-libraries)
 618         AC_ARG_WITH(build-libs,
 619                 [  --with-build-libs=XXX   the build libraries (${BUILD_LIBS})],
 620                 [BUILD_LIBS="$withval"])
 621         AC_MSG_RESULT($BUILD_LIBS)
 622
 623         # this assumes we're on Unix.
 624         BUILD_EXEEXT=
 625         BUILD_OBJEXT=o
 626
 627         : ${BUILD_CC:='${CC}'}
 628
 629         if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
 630                 AC_MSG_ERROR([Cross-build requires two compilers.
 631 Use --with-build-cc to specify the native compiler.])
 632         fi
 633
 634 else
 635         : ${BUILD_CC:='${CC}'}
 636         : ${BUILD_CPP:='${CPP}'}
 637         : ${BUILD_CFLAGS:='${CFLAGS}'}
 638         : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
 639         : ${BUILD_LDFLAGS:='${LDFLAGS}'}
 640         : ${BUILD_LIBS:='${LIBS}'}
 641         : ${BUILD_EXEEXT:='$x'}
 642         : ${BUILD_OBJEXT:='o'}
 643 fi
 644
 645 AC_SUBST(BUILD_CC)
 646 AC_SUBST(BUILD_CPP)
 647 AC_SUBST(BUILD_CFLAGS)
 648 AC_SUBST(BUILD_CPPFLAGS)
 649 AC_SUBST(BUILD_LDFLAGS)
 650 AC_SUBST(BUILD_LIBS)
 651 AC_SUBST(BUILD_EXEEXT)
 652 AC_SUBST(BUILD_OBJEXT)
 653 ])dnl
 654 dnl ---------------------------------------------------------------------------
 655 dnl CF_CC_ENV_FLAGS version: 1 updated: 2012/10/03 05:25:49
 656 dnl ---------------
 657 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
 658 dnl into CC.  This will not help with broken scripts that wrap the compiler with
 659 dnl options, but eliminates a more common category of user confusion.
 660 AC_DEFUN([CF_CC_ENV_FLAGS],
 661 [
 662 # This should have been defined by AC_PROG_CC
 663 : ${CC:=cc}
 664
 665 AC_MSG_CHECKING(\$CC variable)
 666 case "$CC" in #(vi
 667 *[[\ \  ]]-[[IUD]]*)
 668         AC_MSG_RESULT(broken)
 669         AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
 670         # humor him...
 671         cf_flags=`echo "$CC" | sed -e 's/^[[^   ]]*[[   ]]//'`
 672         CC=`echo "$CC" | sed -e 's/[[   ]].*//'`
 673         CF_ADD_CFLAGS($cf_flags)
 674         ;;
 675 *)
 676         AC_MSG_RESULT(ok)
 677         ;;
 678 esac
 679 ])dnl
 680 dnl ---------------------------------------------------------------------------
 681 dnl CF_CFG_DEFAULTS version: 10 updated: 2013/09/07 13:54:05
 682 dnl ---------------
 683 dnl Determine the default configuration into which we'll install ncurses.  This
 684 dnl can be overridden by the user's command-line options.  There's two items to
 685 dnl look for:
 686 dnl     1. the prefix (e.g., /usr)
 687 dnl     2. the header files (e.g., /usr/include/ncurses)
 688 dnl We'll look for a previous installation of ncurses and use the same defaults.
 689 dnl
 690 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
 691 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
 692 dnl programs from a vendor's.
 693 AC_DEFUN([CF_CFG_DEFAULTS],
 694 [
 695 AC_MSG_CHECKING(for prefix)
 696 if test "x$prefix" = "xNONE" ; then
 697         case "$cf_cv_system_name" in
 698                 # non-vendor systems don't have a conflict
 699         openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
 700                 prefix=/usr
 701                 ;;
 702         *)      prefix=$ac_default_prefix
 703                 ;;
 704         esac
 705 fi
 706 AC_MSG_RESULT($prefix)
 707
 708 if test "x$prefix" = "xNONE" ; then
 709 AC_MSG_CHECKING(for default include-directory)
 710 test -n "$verbose" && echo 1>&AC_FD_MSG
 711 for cf_symbol in \
 712         $includedir \
 713         $includedir/ncurses \
 714         $prefix/include \
 715         $prefix/include/ncurses \
 716         /usr/local/include \
 717         /usr/local/include/ncurses \
 718         /usr/include \
 719         /usr/include/ncurses
 720 do
 721         cf_dir=`eval echo $cf_symbol`
 722         if test -f $cf_dir/curses.h ; then
 723         if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
 724                 includedir="$cf_symbol"
 725                 test -n "$verbose"  && echo $ac_n "     found " 1>&AC_FD_MSG
 726                 break
 727         fi
 728         fi
 729         test -n "$verbose"  && echo "   tested $cf_dir" 1>&AC_FD_MSG
 730 done
 731 AC_MSG_RESULT($includedir)
 732 fi
 733 ])dnl
 734 dnl ---------------------------------------------------------------------------
 735 dnl CF_CGETENT version: 5 updated: 2012/10/06 17:56:13
 736 dnl ----------
 737 dnl Check if the terminal-capability database functions are available.  If not,
 738 dnl ncurses has a much-reduced version.
 739 AC_DEFUN([CF_CGETENT],[
 740 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
 741 AC_TRY_LINK([
 742 #include <stdlib.h>],[
 743         char temp[128];
 744         char *buf = temp;
 745         char *db_array = temp;
 746         cgetent(&buf, &db_array, "vt100");
 747         cgetcap(buf, "tc", '=');
 748         cgetmatch(buf, "tc");
 749         ],
 750         [cf_cv_cgetent=yes],
 751         [cf_cv_cgetent=no])
 752 ])
 753
 754 if test "$cf_cv_cgetent" = yes
 755 then
 756         AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
 757 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
 758 AC_TRY_LINK([
 759 #include <stdlib.h>],[
 760         char temp[128];
 761         char *buf = temp;
 762 #ifndef _NETBSD_SOURCE                  /* given, since April 2004 in stdlib.h */
 763         const char *db_array = temp;
 764         cgetent(&buf, &db_array, "vt100");
 765 #endif
 766         cgetcap(buf, "tc", '=');
 767         cgetmatch(buf, "tc");
 768         ],
 769         [cf_cv_cgetent_const=yes],
 770         [cf_cv_cgetent_const=no])
 771 ])
 772         if test "$cf_cv_cgetent_const" = yes
 773         then
 774                 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
 775         fi
 776 fi
 777 ])dnl
 778 dnl ---------------------------------------------------------------------------
 779 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
 780 dnl --------------
 781 dnl Check if we're accidentally using a cache from a different machine.
 782 dnl Derive the system name, as a check for reusing the autoconf cache.
 783 dnl
 784 dnl If we've packaged config.guess and config.sub, run that (since it does a
 785 dnl better job than uname).  Normally we'll use AC_CANONICAL_HOST, but allow
 786 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
 787 dnl which is useful in cross-compiles.
 788 dnl
 789 dnl Note: we would use $ac_config_sub, but that is one of the places where
 790 dnl autoconf 2.5x broke compatibility with autoconf 2.13
 791 AC_DEFUN([CF_CHECK_CACHE],
 792 [
 793 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
 794         ifelse([$1],,[AC_CANONICAL_HOST],[$1])
 795         system_name="$host_os"
 796 else
 797         system_name="`(uname -s -r) 2>/dev/null`"
 798         if test -z "$system_name" ; then
 799                 system_name="`(hostname) 2>/dev/null`"
 800         fi
 801 fi
 802 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
 803 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
 804
 805 test -z "$system_name" && system_name="$cf_cv_system_name"
 806 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
 807
 808 if test ".$system_name" != ".$cf_cv_system_name" ; then
 809         AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
 810         AC_MSG_ERROR("Please remove config.cache and try again.")
 811 fi
 812 ])dnl
 813 dnl ---------------------------------------------------------------------------
 814 dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
 815 dnl --------------
 816 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
 817 dnl the 'errno' variable.  Define a DECL_xxx symbol if we must declare it
 818 dnl ourselves.
 819 dnl
 820 dnl $1 = the name to check
 821 dnl $2 = the assumed type
 822 AC_DEFUN([CF_CHECK_ERRNO],
 823 [
 824 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
 825     AC_TRY_COMPILE([
 826 #ifdef HAVE_STDLIB_H
 827 #include <stdlib.h>
 828 #endif
 829 #include <stdio.h>
 830 #include <sys/types.h>
 831 #include <errno.h> ],
 832     ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
 833     [cf_cv_dcl_$1=yes],
 834     [cf_cv_dcl_$1=no])
 835 ])
 836
 837 if test "$cf_cv_dcl_$1" = no ; then
 838     CF_UPPER(cf_result,decl_$1)
 839     AC_DEFINE_UNQUOTED($cf_result)
 840 fi
 841
 842 # It's possible (for near-UNIX clones) that the data doesn't exist
 843 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
 844 ])dnl
 845 dnl ---------------------------------------------------------------------------
 846 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
 847 dnl --------------------
 848 dnl Check for existence of external data in the current set of libraries.  If
 849 dnl we can modify it, it's real enough.
 850 dnl $1 = the name to check
 851 dnl $2 = its type
 852 AC_DEFUN([CF_CHECK_EXTERN_DATA],
 853 [
 854 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
 855     AC_TRY_LINK([
 856 #undef $1
 857 extern $2 $1;
 858 ],
 859     [$1 = 2],
 860     [cf_cv_have_$1=yes],
 861     [cf_cv_have_$1=no])
 862 ])
 863
 864 if test "$cf_cv_have_$1" = yes ; then
 865     CF_UPPER(cf_result,have_$1)
 866     AC_DEFINE_UNQUOTED($cf_result)
 867 fi
 868
 869 ])dnl
 870 dnl ---------------------------------------------------------------------------
 871 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
 872 dnl -------------------
 873 dnl Check if GPM is already linked with curses.  If so - and if the linkage
 874 dnl is not "weak" - warn about this because it can create problems linking
 875 dnl applications with ncurses.
 876 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
 877 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
 878
 879 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
 880 cf_cv_check_gpm_wgetch=unknown
 881 if test "$cross_compiling" != yes ; then
 882
 883 cat >conftest.$ac_ext <<CF_EOF
 884 #include <gpm.h>
 885 int main()
 886 {
 887         Gpm_Wgetch();
 888         ${cf_cv_main_return:-return}(0);
 889 }
 890 CF_EOF
 891
 892         cf_save_LIBS="$LIBS"
 893         # This only works if we can look at the symbol table.  If a shared
 894         # library is stripped for install, we cannot use that.  So we're forced
 895         # to rely on the static library, noting that some packagers may not
 896         # include it.
 897         LIBS="-static -lgpm -dynamic $LIBS"
 898         if AC_TRY_EVAL(ac_compile) ; then
 899                 if AC_TRY_EVAL(ac_link) ; then
 900                         cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
 901                         test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
 902                         test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
 903                 fi
 904         fi
 905         rm -rf conftest*
 906         LIBS="$cf_save_LIBS"
 907 fi
 908 ])
 909
 910 if test "$cf_cv_check_gpm_wgetch" != yes ; then
 911         AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
 912 fi
 913 ])])dnl
 914 dnl ---------------------------------------------------------------------------
 915 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
 916 dnl ------------------------
 917 dnl Show the version of libtool
 918 dnl
 919 dnl Save the version in a cache variable - this is not entirely a good thing,
 920 dnl but the version string from libtool is very ugly, and for bug reports it
 921 dnl might be useful to have the original string.
 922 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
 923 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
 924 then
 925         AC_MSG_CHECKING(version of $LIBTOOL)
 926         CF_LIBTOOL_VERSION
 927         AC_MSG_RESULT($cf_cv_libtool_version)
 928         if test -z "$cf_cv_libtool_version" ; then
 929                 AC_MSG_ERROR(This is not GNU libtool)
 930         fi
 931 else
 932         AC_MSG_ERROR(GNU libtool has not been found)
 933 fi
 934 ])dnl
 935 dnl ---------------------------------------------------------------------------
 936 dnl CF_CHECK_WCHAR_H version: 1 updated: 2011/10/29 15:01:05
 937 dnl ----------------
 938 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
 939 AC_DEFUN([CF_CHECK_WCHAR_H],[
 940 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
 941 AC_TRY_COMPILE(
 942 [
 943 #include <stdlib.h>
 944 #include <wchar.h>
 945 ],[
 946         wint_t foo = 0;
 947         int bar = iswpunct(foo)],
 948         [cf_cv_wchar_h_okay=yes],
 949         [cf_cv_wchar_h_okay=no])])
 950
 951 if test $cf_cv_wchar_h_okay = no
 952 then
 953         CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
 954 fi
 955 ])dnl
 956 dnl ---------------------------------------------------------------------------
 957 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
 958 dnl -----------------
 959 dnl Check if the given compiler is really clang.  clang's C driver defines
 960 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
 961 dnl not ignore some gcc options.
 962 dnl
 963 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
 964 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
 965 dnl the wrappers for gcc and g++ warnings.
 966 dnl
 967 dnl $1 = GCC (default) or GXX
 968 dnl $2 = CLANG_COMPILER (default)
 969 dnl $3 = CFLAGS (default) or CXXFLAGS
 970 AC_DEFUN([CF_CLANG_COMPILER],[
 971 ifelse([$2],,CLANG_COMPILER,[$2])=no
 972
 973 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
 974         AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
 975         cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
 976         ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
 977         AC_TRY_COMPILE([],[
 978 #ifdef __clang__
 979 #else
 980 make an error
 981 #endif
 982 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
 983 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
 984 ],[])
 985         ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
 986         AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
 987 fi
 988 ])
 989 dnl ---------------------------------------------------------------------------
 990 dnl CF_CPP_PARAM_INIT version: 6 updated: 2012/10/06 17:56:13
 991 dnl -----------------
 992 dnl Check if the C++ compiler accepts duplicate parameter initialization.  This
 993 dnl is a late feature for the standard and is not in some recent compilers
 994 dnl (1999/9/11).
 995 AC_DEFUN([CF_CPP_PARAM_INIT],
 996 [
 997 if test -n "$CXX"; then
 998 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
 999         AC_LANG_SAVE
1000         AC_LANG_CPLUSPLUS
1001         AC_TRY_RUN([
1002 class TEST {
1003 private:
1004         int value;
1005 public:
1006         TEST(int x = 1);
1007         ~TEST();
1008 };
1009
1010 TEST::TEST(int x = 1)   // some compilers do not like second initializer
1011 {
1012         value = x;
1013 }
1014 int main() { }
1015 ],
1016         [cf_cv_cpp_param_init=yes],
1017         [cf_cv_cpp_param_init=no],
1018         [cf_cv_cpp_param_init=unknown])
1019         AC_LANG_RESTORE
1020 ])
1021 fi
1022 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1023 ])dnl
1024 dnl ---------------------------------------------------------------------------
1025 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1026 dnl ------------------
1027 dnl Check if the C++ compiler accepts static_cast in generics.  This appears to
1028 dnl not be supported in g++ before 3.0
1029 AC_DEFUN([CF_CPP_STATIC_CAST],
1030 [
1031 if test -n "$CXX"; then
1032
1033 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1034         AC_LANG_SAVE
1035         AC_LANG_CPLUSPLUS
1036
1037         AC_TRY_COMPILE([
1038 class NCursesPanel
1039 {
1040 public:
1041   NCursesPanel(int nlines,
1042                int ncols,
1043                int begin_y = 0,
1044                int begin_x = 0)
1045   {
1046   }
1047   NCursesPanel();
1048   ~NCursesPanel();
1049 };
1050
1051 template<class T> class NCursesUserPanel : public NCursesPanel
1052 {
1053 public:
1054   NCursesUserPanel (int nlines,
1055                     int ncols,
1056                     int begin_y = 0,
1057                     int begin_x = 0,
1058                     const T* p_UserData = static_cast<T*>(0))
1059     : NCursesPanel (nlines, ncols, begin_y, begin_x)
1060   {
1061   };
1062   NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1063   {
1064   };
1065
1066   virtual ~NCursesUserPanel() {};
1067 };
1068 ],[
1069         const char* p_UserData = static_cast<char*>(0)],
1070         [cf_cv_cpp_static_cast=yes],
1071         [cf_cv_cpp_static_cast=no])
1072
1073         AC_LANG_RESTORE
1074 ])
1075
1076 fi
1077
1078 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1079 ])dnl
1080 dnl ---------------------------------------------------------------------------
1081 dnl CF_CXX_AR_FLAGS version: 1 updated: 2011/10/29 08:35:34
1082 dnl ---------------
1083 dnl Setup special archiver flags for given compilers.
1084 AC_DEFUN([CF_CXX_AR_FLAGS],[
1085         CXX_AR='$(AR)'
1086         CXX_ARFLAGS='$(ARFLAGS)'
1087         case $cf_cv_system_name in #(vi
1088         irix*) #(vi
1089             if test "$GXX" != yes ; then
1090                 CXX_AR='$(CXX)'
1091                 CXX_ARFLAGS='-ar -o'
1092             fi
1093             ;;
1094         sco3.2v5*) #(vi
1095             CXXLDFLAGS="-u main"
1096             ;;
1097         solaris2*)
1098             if test "$GXX" != yes ; then
1099                 CXX_AR='$(CXX)'
1100                 CXX_ARFLAGS='-xar -o'
1101             fi
1102             ;;
1103         esac
1104         AC_SUBST(CXXLDFLAGS)
1105         AC_SUBST(CXX_AR)
1106         AC_SUBST(CXX_ARFLAGS)
1107 ])dnl
1108 dnl ---------------------------------------------------------------------------
1109 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1110 dnl -------------------------
1111 dnl For c++, check if iostream uses "std::" namespace.
1112 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1113 AC_CHECK_HEADERS(iostream)
1114 if test x"$ac_cv_header_iostream" = xyes ; then
1115         AC_MSG_CHECKING(if iostream uses std-namespace)
1116         AC_TRY_COMPILE([
1117 #include <iostream>
1118 using std::endl;
1119 using std::cerr;],[
1120 cerr << "testing" << endl;
1121 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1122         AC_MSG_RESULT($cf_iostream_namespace)
1123         if test "$cf_iostream_namespace" = yes ; then
1124                 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1125         fi
1126 fi
1127 ])dnl
1128 dnl ---------------------------------------------------------------------------
1129 dnl CF_C_INLINE version: 4 updated: 2012/06/16 14:55:39
1130 dnl -----------
1131 dnl Check if the C compiler supports "inline".
1132 dnl $1 is the name of a shell variable to set if inline is supported
1133 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1134 AC_DEFUN([CF_C_INLINE],[
1135 AC_C_INLINE
1136 $1=
1137 if test "$ac_cv_c_inline" != no ; then
1138   $1=inline
1139   if test "$INTEL_COMPILER" = yes
1140   then
1141     :
1142   elif test "$CLANG_COMPILER" = yes
1143   then
1144     :
1145   elif test "$GCC" = yes
1146   then
1147     AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1148       cf_save_CFLAGS=$CFLAGS
1149       CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1150       AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1151       [${cf_cv_main_return:-return} foo()],
1152       [cf_cv_gcc_inline=yes],
1153       [cf_cv_gcc_inline=no])
1154       CFLAGS=$cf_save_CFLAGS
1155     ])
1156     if test "$cf_cv_gcc_inline" = yes ; then
1157         CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1158     fi
1159   fi
1160 fi
1161 AC_SUBST($1)
1162 ])dnl
1163 dnl ---------------------------------------------------------------------------
1164 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1165 dnl ----------
1166 dnl "dirname" is not portable, so we fake it with a shell script.
1167 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1168 dnl ---------------------------------------------------------------------------
1169 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1170 dnl ---------------
1171 AC_DEFUN([CF_DIRS_TO_MAKE],
1172 [
1173 DIRS_TO_MAKE="lib"
1174 for cf_item in $cf_list_models
1175 do
1176         CF_OBJ_SUBDIR($cf_item,cf_subdir)
1177         for cf_item2 in $DIRS_TO_MAKE
1178         do
1179                 test $cf_item2 = $cf_subdir && break
1180         done
1181         test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1182 done
1183 for cf_dir in $DIRS_TO_MAKE
1184 do
1185         test ! -d $cf_dir && mkdir $cf_dir
1186 done
1187 AC_SUBST(DIRS_TO_MAKE)
1188 ])dnl
1189 dnl ---------------------------------------------------------------------------
1190 dnl CF_DISABLE_ECHO version: 12 updated: 2012/10/06 16:30:28
1191 dnl ---------------
1192 dnl You can always use "make -n" to see the actual options, but it's hard to
1193 dnl pick out/analyze warning messages when the compile-line is long.
1194 dnl
1195 dnl Sets:
1196 dnl     ECHO_LT - symbol to control if libtool is verbose
1197 dnl     ECHO_LD - symbol to prefix "cc -o" lines
1198 dnl     RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1199 dnl     SHOW_CC - symbol to put before explicit "cc -c" lines
1200 dnl     ECHO_CC - symbol to put before any "cc" line
1201 dnl
1202 AC_DEFUN([CF_DISABLE_ECHO],[
1203 AC_MSG_CHECKING(if you want to see long compiling messages)
1204 CF_ARG_DISABLE(echo,
1205         [  --disable-echo          do not display "compiling" commands],
1206         [
1207     ECHO_LT='--silent'
1208     ECHO_LD='@echo linking [$]@;'
1209     RULE_CC='@echo compiling [$]<'
1210     SHOW_CC='@echo compiling [$]@'
1211     ECHO_CC='@'
1212 ],[
1213     ECHO_LT=''
1214     ECHO_LD=''
1215     RULE_CC=''
1216     SHOW_CC=''
1217     ECHO_CC=''
1218 ])
1219 AC_MSG_RESULT($enableval)
1220 AC_SUBST(ECHO_LT)
1221 AC_SUBST(ECHO_LD)
1222 AC_SUBST(RULE_CC)
1223 AC_SUBST(SHOW_CC)
1224 AC_SUBST(ECHO_CC)
1225 ])dnl
1226 dnl ---------------------------------------------------------------------------
1227 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1228 dnl ----------------
1229 dnl Combine no-leak checks with the libraries or tools that are used for the
1230 dnl checks.
1231 AC_DEFUN([CF_DISABLE_LEAKS],[
1232
1233 AC_REQUIRE([CF_WITH_DMALLOC])
1234 AC_REQUIRE([CF_WITH_DBMALLOC])
1235 AC_REQUIRE([CF_WITH_VALGRIND])
1236
1237 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1238 AC_ARG_ENABLE(leaks,
1239         [  --disable-leaks         test: free permanent memory, analyze leaks],
1240         [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1241         : ${with_no_leaks:=no})
1242 AC_MSG_RESULT($with_no_leaks)
1243
1244 if test "$with_no_leaks" = yes ; then
1245         AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1246         AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1247 fi
1248 ])dnl
1249 dnl ---------------------------------------------------------------------------
1250 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1251 dnl --------------------------
1252 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1253 dnl the older "-version-info" feature.  The newer feature allows us to use
1254 dnl version numbering on shared libraries which make them compatible with
1255 dnl various systems.
1256 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1257 [
1258 AC_MSG_CHECKING(if libtool -version-number should be used)
1259 CF_ARG_DISABLE(libtool-version,
1260         [  --disable-libtool-version  enable to use libtool's incompatible naming scheme],
1261         [cf_libtool_version=no],
1262         [cf_libtool_version=yes])
1263 AC_MSG_RESULT($cf_libtool_version)
1264
1265 if test "$cf_libtool_version" = yes ; then
1266         LIBTOOL_VERSION="-version-number"
1267 else
1268         LIBTOOL_VERSION="-version-info"
1269 fi
1270
1271 AC_SUBST(LIBTOOL_VERSION)
1272 ])dnl
1273 dnl ---------------------------------------------------------------------------
1274 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1275 dnl ---------------------
1276 dnl The rpath-hack makes it simpler to build programs, particularly with the
1277 dnl *BSD ports which may have essential libraries in unusual places.  But it
1278 dnl can interfere with building an executable for the base system.  Use this
1279 dnl option in that case.
1280 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1281 [
1282 AC_MSG_CHECKING(if rpath-hack should be disabled)
1283 CF_ARG_DISABLE(rpath-hack,
1284         [  --disable-rpath-hack    don't add rpath options for additional libraries],
1285         [cf_disable_rpath_hack=yes],
1286         [cf_disable_rpath_hack=no])
1287 AC_MSG_RESULT($cf_disable_rpath_hack)
1288 if test "$cf_disable_rpath_hack" = no ; then
1289         CF_RPATH_HACK
1290 fi
1291 ])
1292 dnl ---------------------------------------------------------------------------
1293 dnl CF_ENABLE_PC_FILES version: 9 updated: 2012/08/04 13:59:54
1294 dnl ------------------
1295 dnl This is the "--enable-pc-files" option, which is available if there is a
1296 dnl pkg-config configuration on the local machine.
1297 AC_DEFUN([CF_ENABLE_PC_FILES],[
1298 AC_REQUIRE([CF_PKG_CONFIG])
1299 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1300
1301 if test "$PKG_CONFIG" != none ; then
1302         AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1303         AC_ARG_ENABLE(pc-files,
1304                 [  --enable-pc-files       generate and install .pc files for pkg-config],
1305                 [enable_pc_files=$enableval],
1306                 [enable_pc_files=no])
1307         AC_MSG_RESULT($enable_pc_files)
1308         if test "$enable_pc_files" != no
1309         then
1310                 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1311         fi
1312 else
1313         enable_pc_files=no
1314 fi
1315 ])dnl
1316 dnl ---------------------------------------------------------------------------
1317 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1318 dnl ---------------
1319 dnl Check if the rpath option should be used, setting cache variable
1320 dnl cf_cv_enable_rpath if so.
1321 AC_DEFUN([CF_ENABLE_RPATH],
1322 [
1323 AC_MSG_CHECKING(if rpath option should be used)
1324 AC_ARG_ENABLE(rpath,
1325 [  --enable-rpath          use rpath option when generating shared libraries],
1326 [cf_cv_enable_rpath=$enableval],
1327 [cf_cv_enable_rpath=no])
1328 AC_MSG_RESULT($cf_cv_enable_rpath)
1329 ])dnl
1330 dnl ---------------------------------------------------------------------------
1331 dnl CF_ENABLE_STRING_HACKS version: 3 updated: 2013/01/26 16:26:12
1332 dnl ----------------------
1333 dnl On a few platforms, the compiler and/or loader nags with untruthful
1334 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
1335 dnl and implying that most uses of the recommended alternatives are correct.
1336 dnl
1337 dnl Factually speaking, no one has actually counted the number of uses of these
1338 dnl functions versus the total of incorrect uses.  Samples of a few thousand
1339 dnl instances are meaningless compared to the hundreds of millions of lines of
1340 dnl existing C code.
1341 dnl
1342 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
1343 dnl platforms, in implementations of varying quality.  Likewise, snprintf is
1344 dnl standard - but evolved through phases, and older implementations are likely
1345 dnl to yield surprising results, as documented in manpages on various systems.
1346 AC_DEFUN([CF_ENABLE_STRING_HACKS],
1347 [
1348 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
1349 AC_ARG_ENABLE(string-hacks,
1350         [  --enable-string-hacks   work around bogus compiler/loader warnings],
1351         [with_string_hacks=$enableval],
1352         [with_string_hacks=no])
1353 AC_MSG_RESULT($with_string_hacks)
1354
1355 if test "x$with_string_hacks" = "xyes"; then
1356         AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
1357         AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
1358         AC_CHECK_FUNCS( strlcat strlcpy snprintf )
1359 fi
1360 ])dnl
1361 dnl ---------------------------------------------------------------------------
1362 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1363 dnl --------
1364 dnl Check if 'errno' is declared in <errno.h>
1365 AC_DEFUN([CF_ERRNO],
1366 [
1367 CF_CHECK_ERRNO(errno)
1368 ])dnl
1369 dnl ---------------------------------------------------------------------------
1370 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
1371 dnl ---------------
1372 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1373 dnl math.h and builtin.h, only for ncurses
1374 AC_DEFUN([CF_ETIP_DEFINES],
1375 [
1376 AC_MSG_CHECKING(for special defines needed for etip.h)
1377 cf_save_CXXFLAGS="$CXXFLAGS"
1378 cf_result="none"
1379
1380 # etip.h includes ncurses.h which includes ncurses_dll.h
1381 # But ncurses_dll.h is generated - fix here.
1382 test -d include || mkdir include
1383 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
1384
1385 for cf_math in "" MATH_H
1386 do
1387 for cf_excp in "" MATH_EXCEPTION
1388 do
1389         CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
1390         test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1391         test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1392 AC_TRY_COMPILE([
1393 #include <etip.h.in>
1394 ],[],[
1395         test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1396         test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1397         cf_result="$cf_math $cf_excp"
1398         break 2
1399 ],[])
1400 done
1401 done
1402 AC_MSG_RESULT($cf_result)
1403 CXXFLAGS="$cf_save_CXXFLAGS"
1404 ])
1405 dnl ---------------------------------------------------------------------------
1406 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1407 dnl ---------------
1408 dnl Find a library (specifically the linkage used in the code fragment),
1409 dnl searching for it if it is not already in the library path.
1410 dnl See also CF_ADD_SEARCHPATH.
1411 dnl
1412 dnl Parameters (4-on are optional):
1413 dnl     $1 = headers for library entrypoint
1414 dnl     $2 = code fragment for library entrypoint
1415 dnl     $3 = the library name without the "-l" option or ".so" suffix.
1416 dnl     $4 = action to perform if successful (default: update CPPFLAGS, etc)
1417 dnl     $5 = action to perform if not successful
1418 dnl     $6 = module name, if not the same as the library name
1419 dnl     $7 = extra libraries
1420 dnl
1421 dnl Sets these variables:
1422 dnl     $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1423 dnl     $cf_cv_header_path_$3 - include-directory if needed
1424 dnl     $cf_cv_library_path_$3 - library-directory if needed
1425 dnl     $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1426 AC_DEFUN([CF_FIND_LINKAGE],[
1427
1428 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1429 # will be set on completion of the AC_TRY_LINK below.
1430 cf_cv_header_path_$3=
1431 cf_cv_library_path_$3=
1432
1433 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1434
1435 cf_save_LIBS="$LIBS"
1436
1437 AC_TRY_LINK([$1],[$2],[
1438         cf_cv_find_linkage_$3=yes
1439         cf_cv_header_path_$3=/usr/include
1440         cf_cv_library_path_$3=/usr/lib
1441 ],[
1442
1443 LIBS="-l$3 $7 $cf_save_LIBS"
1444
1445 AC_TRY_LINK([$1],[$2],[
1446         cf_cv_find_linkage_$3=yes
1447         cf_cv_header_path_$3=/usr/include
1448         cf_cv_library_path_$3=/usr/lib
1449         cf_cv_library_file_$3="-l$3"
1450 ],[
1451         cf_cv_find_linkage_$3=no
1452         LIBS="$cf_save_LIBS"
1453
1454     CF_VERBOSE(find linkage for $3 library)
1455     CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1456
1457     cf_save_CPPFLAGS="$CPPFLAGS"
1458     cf_test_CPPFLAGS="$CPPFLAGS"
1459
1460     CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1461     for cf_cv_header_path_$3 in $cf_search
1462     do
1463       if test -d $cf_cv_header_path_$3 ; then
1464         CF_VERBOSE(... testing $cf_cv_header_path_$3)
1465         CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1466         AC_TRY_COMPILE([$1],[$2],[
1467             CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1468             cf_cv_find_linkage_$3=maybe
1469             cf_test_CPPFLAGS="$CPPFLAGS"
1470             break],[
1471             CPPFLAGS="$cf_save_CPPFLAGS"
1472             ])
1473       fi
1474     done
1475
1476     if test "$cf_cv_find_linkage_$3" = maybe ; then
1477
1478       CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1479
1480       cf_save_LIBS="$LIBS"
1481       cf_save_LDFLAGS="$LDFLAGS"
1482
1483       ifelse([$6],,,[
1484         CPPFLAGS="$cf_test_CPPFLAGS"
1485         LIBS="-l$3 $7 $cf_save_LIBS"
1486         AC_TRY_LINK([$1],[$2],[
1487             CF_VERBOSE(... found $3 library in system)
1488             cf_cv_find_linkage_$3=yes])
1489             CPPFLAGS="$cf_save_CPPFLAGS"
1490             LIBS="$cf_save_LIBS"
1491             ])
1492
1493       if test "$cf_cv_find_linkage_$3" != yes ; then
1494         CF_LIBRARY_PATH(cf_search,$3)
1495         for cf_cv_library_path_$3 in $cf_search
1496         do
1497           if test -d $cf_cv_library_path_$3 ; then
1498             CF_VERBOSE(... testing $cf_cv_library_path_$3)
1499             CPPFLAGS="$cf_test_CPPFLAGS"
1500             LIBS="-l$3 $7 $cf_save_LIBS"
1501             LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1502             AC_TRY_LINK([$1],[$2],[
1503                 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1504                 cf_cv_find_linkage_$3=yes
1505                 cf_cv_library_file_$3="-l$3"
1506                 break],[
1507                 CPPFLAGS="$cf_save_CPPFLAGS"
1508                 LIBS="$cf_save_LIBS"
1509                 LDFLAGS="$cf_save_LDFLAGS"
1510                 ])
1511           fi
1512         done
1513         CPPFLAGS="$cf_save_CPPFLAGS"
1514         LDFLAGS="$cf_save_LDFLAGS"
1515       fi
1516
1517     else
1518       cf_cv_find_linkage_$3=no
1519     fi
1520     ],$7)
1521 ])
1522
1523 LIBS="$cf_save_LIBS"
1524
1525 if test "$cf_cv_find_linkage_$3" = yes ; then
1526 ifelse([$4],,[
1527         CF_ADD_INCDIR($cf_cv_header_path_$3)
1528         CF_ADD_LIBDIR($cf_cv_library_path_$3)
1529         CF_ADD_LIB($3)
1530 ],[$4])
1531 else
1532 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1533 fi
1534 ])dnl
1535 dnl ---------------------------------------------------------------------------
1536 dnl CF_FIND_SUB_INCDIR version: 1 updated: 2014/04/12 16:47:01
1537 dnl ------------------
1538 dnl Find an include-directory with the given leaf-name.  This is useful for
1539 dnl example with FreeBSD ports, which use this convention to distinguish
1540 dnl different versions of the same port.
1541 AC_DEFUN([CF_FIND_SUB_INCDIR],[
1542         CF_SUBDIR_PATH(cf_search,$1,include)
1543         for cf_item in $cf_search
1544         do
1545                 case $cf_item in #(vi
1546                 */$1)
1547                         CF_ADD_INCDIR($cf_item)
1548                         ;;
1549                 esac
1550         done
1551 ])dnl
1552 dnl ---------------------------------------------------------------------------
1553 dnl CF_FIND_SUB_LIBDIR version: 1 updated: 2014/04/12 16:47:01
1554 dnl ------------------
1555 dnl Find a library-directory with the given leaf-name.  This is useful for
1556 dnl example with FreeBSD ports, which use this convention to distinguish
1557 dnl different versions of the same port.
1558 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
1559         CF_SUBDIR_PATH(cf_search,$1,lib)
1560         for cf_item in $cf_search
1561         do
1562                 case $cf_item in #(vi
1563                 */$1)
1564                         CF_ADD_LIBDIR($cf_item)
1565                         ;;
1566                 esac
1567         done
1568 ])dnl
1569 dnl ---------------------------------------------------------------------------
1570 dnl CF_FIXUP_ADAFLAGS version: 1 updated: 2012/03/31 18:48:10
1571 dnl -----------------
1572 dnl make ADAFLAGS consistent with CFLAGS
1573 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1574         AC_MSG_CHECKING(optimization options for ADAFLAGS)
1575         case "$CFLAGS" in
1576         *-g*)
1577                 CF_ADD_ADAFLAGS(-g)
1578                 ;;
1579         esac
1580         case "$CFLAGS" in
1581         *-O*)
1582                 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[        ]].*//'`
1583                 CF_ADD_ADAFLAGS($cf_O_flag)
1584                 ;;
1585         esac
1586         AC_MSG_RESULT($ADAFLAGS)
1587 ])dnl
1588 dnl ---------------------------------------------------------------------------
1589 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
1590 dnl --------------
1591 dnl Forget that we saw the given tool.
1592 AC_DEFUN([CF_FORGET_TOOL],[
1593 unset ac_cv_prog_ac_ct_$1
1594 unset ac_ct_$1
1595 unset $1
1596 ])dnl
1597 dnl ---------------------------------------------------------------------------
1598 dnl CF_FUNC_DLSYM version: 3 updated: 2012/10/06 11:17:15
1599 dnl -------------
1600 dnl Test for dlsym() and related functions, as well as libdl.
1601 dnl
1602 dnl Sets
1603 dnl     $cf_have_dlsym
1604 dnl     $cf_have_libdl
1605 AC_DEFUN([CF_FUNC_DLSYM],[
1606 cf_have_dlsym=no
1607 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1608
1609 cf_have_libdl=no
1610 AC_CHECK_LIB(dl,dlsym,[
1611         cf_have_dlsym=yes
1612         cf_have_libdl=yes])])
1613
1614 if test "$cf_have_dlsym" = yes ; then
1615         test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1616
1617         AC_MSG_CHECKING(whether able to link to dl*() functions)
1618         AC_TRY_LINK([#include <dlfcn.h>],[
1619                 void *obj;
1620                 if ((obj = dlopen("filename", 0)) != 0) {
1621                         if (dlsym(obj, "symbolname") == 0) {
1622                         dlclose(obj);
1623                         }
1624                 }],[
1625                 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
1626                 AC_MSG_ERROR(Cannot link test program for libdl)])
1627         AC_MSG_RESULT(ok)
1628 else
1629         AC_MSG_ERROR(Cannot find dlsym function)
1630 fi
1631 ])
1632 dnl ---------------------------------------------------------------------------
1633 dnl CF_FUNC_MEMMOVE version: 8 updated: 2012/10/04 20:12:20
1634 dnl ---------------
1635 dnl Check for memmove, or a bcopy that can handle overlapping copy.  If neither
1636 dnl is found, add our own version of memmove to the list of objects.
1637 AC_DEFUN([CF_FUNC_MEMMOVE],
1638 [
1639 AC_CHECK_FUNC(memmove,,[
1640 AC_CHECK_FUNC(bcopy,[
1641         AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1642                 AC_TRY_RUN([
1643 int main() {
1644         static char data[] = "abcdefghijklmnopqrstuwwxyz";
1645         char temp[40];
1646         bcopy(data, temp, sizeof(data));
1647         bcopy(temp+10, temp, 15);
1648         bcopy(temp+5, temp+15, 10);
1649         ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1650 }
1651                 ],
1652                 [cf_cv_good_bcopy=yes],
1653                 [cf_cv_good_bcopy=no],
1654                 [cf_cv_good_bcopy=unknown])
1655                 ])
1656         ],[cf_cv_good_bcopy=no])
1657         if test "$cf_cv_good_bcopy" = yes ; then
1658                 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
1659         else
1660                 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
1661         fi
1662 ])])dnl
1663 dnl ---------------------------------------------------------------------------
1664 dnl CF_FUNC_NANOSLEEP version: 4 updated: 2012/10/06 17:56:13
1665 dnl -----------------
1666 dnl Check for existence of workable nanosleep() function.  Some systems, e.g.,
1667 dnl AIX 4.x, provide a non-working version.
1668 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1669 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1670 AC_TRY_RUN([
1671 #include <stdio.h>
1672 #include <errno.h>
1673 #include <time.h>
1674
1675 #ifdef HAVE_SYS_TIME_H
1676 #include <sys/time.h>
1677 #endif
1678
1679 int main() {
1680         struct timespec ts1, ts2;
1681         int code;
1682         ts1.tv_sec  = 0;
1683         ts1.tv_nsec = 750000000;
1684         ts2.tv_sec  = 0;
1685         ts2.tv_nsec = 0;
1686         errno = 0;
1687         code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1688         ${cf_cv_main_return:-return}(code != 0);
1689 }
1690 ],
1691         [cf_cv_func_nanosleep=yes],
1692         [cf_cv_func_nanosleep=no],
1693         [cf_cv_func_nanosleep=unknown])])
1694
1695 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
1696 ])
1697 dnl ---------------------------------------------------------------------------
1698 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1699 dnl ---------------
1700 dnl Check for openpty() function, along with <pty.h> header.  It may need the
1701 dnl "util" library as well.
1702 AC_DEFUN([CF_FUNC_OPENPTY],
1703 [
1704 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1705 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1706     cf_save_LIBS="$LIBS"
1707     test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1708     for cf_header in pty.h libutil.h util.h
1709     do
1710     AC_TRY_LINK([
1711 #include <$cf_header>
1712 ],[
1713     int x = openpty((int *)0, (int *)0, (char *)0,
1714                    (struct termios *)0, (struct winsize *)0);
1715 ],[
1716         cf_cv_func_openpty=$cf_header
1717         break
1718 ],[
1719         cf_cv_func_openpty=no
1720 ])
1721     done
1722     LIBS="$cf_save_LIBS"
1723 ])
1724 ])dnl
1725 dnl ---------------------------------------------------------------------------
1726 dnl CF_FUNC_POLL version: 8 updated: 2012/10/04 05:24:07
1727 dnl ------------
1728 dnl See if the poll function really works.  Some platforms have poll(), but
1729 dnl it does not work for terminals or files.
1730 AC_DEFUN([CF_FUNC_POLL],[
1731 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1732 AC_TRY_RUN([
1733 #include <stdlib.h>
1734 #include <stdio.h>
1735 #include <unistd.h>
1736 #include <fcntl.h>
1737 #ifdef HAVE_POLL_H
1738 #include <poll.h>
1739 #else
1740 #include <sys/poll.h>
1741 #endif
1742 int main() {
1743         struct pollfd myfds;
1744         int ret;
1745
1746         /* check for Darwin bug with respect to "devices" */
1747         myfds.fd = open("/dev/null", 1);        /* O_WRONLY */
1748         if (myfds.fd < 0)
1749                 myfds.fd = 0;
1750         myfds.events = POLLIN;
1751         myfds.revents = 0;
1752
1753         ret = poll(&myfds, 1, 100);
1754
1755         if (ret < 0 || (myfds.revents & POLLNVAL)) {
1756                 ret = -1;
1757         } else {
1758                 int fd = 0;
1759                 if (!isatty(fd)) {
1760                         fd = open("/dev/tty", 2);       /* O_RDWR */
1761                 }
1762
1763                 if (fd >= 0) {
1764                         /* also check with standard input */
1765                         myfds.fd = fd;
1766                         myfds.events = POLLIN;
1767                         myfds.revents = 0;
1768                         ret = poll(&myfds, 1, 100);
1769                 } else {
1770                         ret = -1;
1771                 }
1772         }
1773         ${cf_cv_main_return:-return}(ret < 0);
1774 }],
1775         [cf_cv_working_poll=yes],
1776         [cf_cv_working_poll=no],
1777         [cf_cv_working_poll=unknown])])
1778 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
1779 ])dnl
1780 dnl ---------------------------------------------------------------------------
1781 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
1782 dnl ---------------
1783 dnl Some old/broken variations define tcgetattr() only as a macro in
1784 dnl termio(s).h
1785 AC_DEFUN([CF_FUNC_TERMIOS],[
1786 AC_REQUIRE([CF_STRUCT_TERMIOS])
1787 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1788 AC_TRY_LINK([
1789 #include <sys/types.h>
1790 #ifdef HAVE_UNISTD_H
1791 #include <unistd.h>
1792 #endif
1793 #ifdef HAVE_TERMIOS_H
1794 #include <termios.h>
1795 #define TTY struct termios
1796 #else
1797 #ifdef HAVE_TERMIO_H
1798 #include <termio.h>
1799 #define TTY struct termio
1800 #endif
1801 #endif
1802 ],[
1803 TTY foo;
1804 tcgetattr(1, &foo);],
1805 [cf_cv_have_tcgetattr=yes],
1806 [cf_cv_have_tcgetattr=no])])
1807 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
1808 ])dnl
1809 dnl ---------------------------------------------------------------------------
1810 dnl CF_FUNC_VSSCANF version: 4 updated: 2012/10/06 17:56:13
1811 dnl ---------------
1812 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1813 dnl versions of C.  It is in the GNU C library, and can often be simulated by
1814 dnl other functions.
1815 AC_DEFUN([CF_FUNC_VSSCANF],
1816 [
1817 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1818 AC_TRY_LINK([
1819 #include <stdarg.h>
1820 #include <stdio.h>],[
1821         va_list ap;
1822         vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1823 AC_TRY_LINK([
1824 #include <stdarg.h>
1825 #include <stdio.h>],[
1826     FILE strbuf;
1827     char *str = "from";
1828
1829     strbuf._flag = _IOREAD;
1830     strbuf._ptr = strbuf._base = (unsigned char *) str;
1831     strbuf._cnt = strlen(str);
1832     strbuf._file = _NFILE;
1833     return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1834 AC_TRY_LINK([
1835 #include <stdarg.h>
1836 #include <stdio.h>],[
1837     FILE strbuf;
1838     char *str = "from";
1839
1840     strbuf._flag = _IOREAD;
1841     strbuf._ptr = strbuf._base = (unsigned char *) str;
1842     strbuf._cnt = strlen(str);
1843     strbuf._file = _NFILE;
1844     return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1845 cf_cv_func_vsscanf=no])])])])
1846
1847 case $cf_cv_func_vsscanf in #(vi
1848 vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);; #(vi
1849 vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);; #(vi
1850 _doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
1851 esac
1852
1853 ])dnl
1854 dnl ---------------------------------------------------------------------------
1855 dnl CF_GCC_ATTRIBUTES version: 16 updated: 2012/10/02 20:55:03
1856 dnl -----------------
1857 dnl Test for availability of useful gcc __attribute__ directives to quiet
1858 dnl compiler warnings.  Though useful, not all are supported -- and contrary
1859 dnl to documentation, unrecognized directives cause older compilers to barf.
1860 AC_DEFUN([CF_GCC_ATTRIBUTES],
1861 [
1862 if test "$GCC" = yes
1863 then
1864 cat > conftest.i <<EOF
1865 #ifndef GCC_PRINTF
1866 #define GCC_PRINTF 0
1867 #endif
1868 #ifndef GCC_SCANF
1869 #define GCC_SCANF 0
1870 #endif
1871 #ifndef GCC_NORETURN
1872 #define GCC_NORETURN /* nothing */
1873 #endif
1874 #ifndef GCC_UNUSED
1875 #define GCC_UNUSED /* nothing */
1876 #endif
1877 EOF
1878 if test "$GCC" = yes
1879 then
1880         AC_CHECKING([for $CC __attribute__ directives])
1881 cat > conftest.$ac_ext <<EOF
1882 #line __oline__ "${as_me:-configure}"
1883 #include "confdefs.h"
1884 #include "conftest.h"
1885 #include "conftest.i"
1886 #if     GCC_PRINTF
1887 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1888 #else
1889 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1890 #endif
1891 #if     GCC_SCANF
1892 #define GCC_SCANFLIKE(fmt,var)  __attribute__((format(scanf,fmt,var)))
1893 #else
1894 #define GCC_SCANFLIKE(fmt,var)  /*nothing*/
1895 #endif
1896 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1897 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1898 extern void foo(void) GCC_NORETURN;
1899 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1900 EOF
1901         cf_printf_attribute=no
1902         cf_scanf_attribute=no
1903         for cf_attribute in scanf printf unused noreturn
1904         do
1905                 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1906                 cf_directive="__attribute__(($cf_attribute))"
1907                 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1908
1909                 case $cf_attribute in #(vi
1910                 printf) #(vi
1911                         cf_printf_attribute=yes
1912                         cat >conftest.h <<EOF
1913 #define GCC_$cf_ATTRIBUTE 1
1914 EOF
1915                         ;;
1916                 scanf) #(vi
1917                         cf_scanf_attribute=yes
1918                         cat >conftest.h <<EOF
1919 #define GCC_$cf_ATTRIBUTE 1
1920 EOF
1921                         ;;
1922                 *) #(vi
1923                         cat >conftest.h <<EOF
1924 #define GCC_$cf_ATTRIBUTE $cf_directive
1925 EOF
1926                         ;;
1927                 esac
1928
1929                 if AC_TRY_EVAL(ac_compile); then
1930                         test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1931                         cat conftest.h >>confdefs.h
1932                         case $cf_attribute in #(vi
1933                         noreturn) #(vi
1934                                 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1935                                 ;;
1936                         printf) #(vi
1937                                 cf_value='/* nothing */'
1938                                 if test "$cf_printf_attribute" != no ; then
1939                                         cf_value='__attribute__((format(printf,fmt,var)))'
1940                                         AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1941                                 fi
1942                                 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1943                                 ;;
1944                         scanf) #(vi
1945                                 cf_value='/* nothing */'
1946                                 if test "$cf_scanf_attribute" != no ; then
1947                                         cf_value='__attribute__((format(scanf,fmt,var)))'
1948                                         AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1949                                 fi
1950                                 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1951                                 ;;
1952                         unused) #(vi
1953                                 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1954                                 ;;
1955                         esac
1956                 fi
1957         done
1958 else
1959         fgrep define conftest.i >>confdefs.h
1960 fi
1961 rm -rf conftest*
1962 fi
1963 ])dnl
1964 dnl ---------------------------------------------------------------------------
1965 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1966 dnl --------------
1967 dnl Find version of gcc
1968 AC_DEFUN([CF_GCC_VERSION],[
1969 AC_REQUIRE([AC_PROG_CC])
1970 GCC_VERSION=none
1971 if test "$GCC" = yes ; then
1972         AC_MSG_CHECKING(version of $CC)
1973         GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1974         test -z "$GCC_VERSION" && GCC_VERSION=unknown
1975         AC_MSG_RESULT($GCC_VERSION)
1976 fi
1977 ])dnl
1978 dnl ---------------------------------------------------------------------------
1979 dnl CF_GCC_WARNINGS version: 31 updated: 2013/11/19 19:23:35
1980 dnl ---------------
1981 dnl Check if the compiler supports useful warning options.  There's a few that
1982 dnl we don't use, simply because they're too noisy:
1983 dnl
1984 dnl     -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1985 dnl     -Wredundant-decls (system headers make this too noisy)
1986 dnl     -Wtraditional (combines too many unrelated messages, only a few useful)
1987 dnl     -Wwrite-strings (too noisy, but should review occasionally).  This
1988 dnl             is enabled for ncurses using "--enable-const".
1989 dnl     -pedantic
1990 dnl
1991 dnl Parameter:
1992 dnl     $1 is an optional list of gcc warning flags that a particular
1993 dnl             application might want to use, e.g., "no-unused" for
1994 dnl             -Wno-unused
1995 dnl Special:
1996 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
1997 dnl
1998 AC_DEFUN([CF_GCC_WARNINGS],
1999 [
2000 AC_REQUIRE([CF_GCC_VERSION])
2001 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2002 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2003
2004 cat > conftest.$ac_ext <<EOF
2005 #line __oline__ "${as_me:-configure}"
2006 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2007 EOF
2008
2009 if test "$INTEL_COMPILER" = yes
2010 then
2011 # The "-wdXXX" options suppress warnings:
2012 # remark #1419: external declaration in primary source file
2013 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2014 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2015 # remark #193: zero used for undefined preprocessing identifier
2016 # remark #593: variable "curs_sb_left_arrow" was set but never used
2017 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2018 # remark #869: parameter "tw" was never referenced
2019 # remark #981: operands are evaluated in unspecified order
2020 # warning #279: controlling expression is constant
2021
2022         AC_CHECKING([for $CC warning options])
2023         cf_save_CFLAGS="$CFLAGS"
2024         EXTRA_CFLAGS="-Wall"
2025         for cf_opt in \
2026                 wd1419 \
2027                 wd1683 \
2028                 wd1684 \
2029                 wd193 \
2030                 wd593 \
2031                 wd279 \
2032                 wd810 \
2033                 wd869 \
2034                 wd981
2035         do
2036                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2037                 if AC_TRY_EVAL(ac_compile); then
2038                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2039                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2040                 fi
2041         done
2042         CFLAGS="$cf_save_CFLAGS"
2043
2044 elif test "$GCC" = yes
2045 then
2046         AC_CHECKING([for $CC warning options])
2047         cf_save_CFLAGS="$CFLAGS"
2048         EXTRA_CFLAGS=
2049         cf_warn_CONST=""
2050         test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2051         cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2052         test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2053         for cf_opt in W Wall \
2054                 Wbad-function-cast \
2055                 Wcast-align \
2056                 Wcast-qual \
2057                 Wdeclaration-after-statement \
2058                 Wextra \
2059                 Winline \
2060                 Wmissing-declarations \
2061                 Wmissing-prototypes \
2062                 Wnested-externs \
2063                 Wpointer-arith \
2064                 Wshadow \
2065                 Wstrict-prototypes \
2066                 Wundef $cf_gcc_warnings $cf_warn_CONST $1
2067         do
2068                 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2069                 if AC_TRY_EVAL(ac_compile); then
2070                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2071                         case $cf_opt in #(vi
2072                         Wcast-qual) #(vi
2073                                 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
2074                                 ;;
2075                         Winline) #(vi
2076                                 case $GCC_VERSION in
2077                                 [[34]].*)
2078                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2079                                         continue;;
2080                                 esac
2081                                 ;;
2082                         Wpointer-arith) #(vi
2083                                 case $GCC_VERSION in
2084                                 [[12]].*)
2085                                         CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2086                                         continue;;
2087                                 esac
2088                                 ;;
2089                         esac
2090                         EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2091                 fi
2092         done
2093         CFLAGS="$cf_save_CFLAGS"
2094 fi
2095 rm -rf conftest*
2096
2097 AC_SUBST(EXTRA_CFLAGS)
2098 ])dnl
2099 dnl ---------------------------------------------------------------------------
2100 dnl CF_GETOPT_HEADER version: 5 updated: 2012/10/06 16:39:58
2101 dnl ----------------
2102 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2103 dnl unistd.h or (nonstandard) in getopt.h
2104 AC_DEFUN([CF_GETOPT_HEADER],
2105 [
2106 AC_HAVE_HEADERS(unistd.h getopt.h)
2107 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2108 cf_cv_getopt_header=none
2109 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2110 do
2111 AC_TRY_COMPILE([
2112 #include <$cf_header>],
2113 [int x = optind; char *y = optarg],
2114 [cf_cv_getopt_header=$cf_header
2115  break])
2116 done
2117 ])
2118 if test $cf_cv_getopt_header != none ; then
2119         AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if we need to include getopt.h])
2120 fi
2121 ])dnl
2122 dnl ---------------------------------------------------------------------------
2123 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
2124 dnl ----------------
2125 AC_DEFUN([CF_GNAT_GENERICS],
2126 [
2127 AC_REQUIRE([CF_GNAT_VERSION])
2128
2129 AC_MSG_CHECKING(if GNAT supports generics)
2130 case $cf_gnat_version in #(vi
2131 3.[[1-9]]*|[[4-9]].*) #(vi
2132         cf_gnat_generics=yes
2133         ;;
2134 *)
2135         cf_gnat_generics=no
2136         ;;
2137 esac
2138 AC_MSG_RESULT($cf_gnat_generics)
2139
2140 if test "$cf_gnat_generics" = yes
2141 then
2142         cf_compile_generics=generics
2143         cf_generic_objects="\${GENOBJS}"
2144 else
2145         cf_compile_generics=
2146         cf_generic_objects=
2147 fi
2148
2149 AC_SUBST(cf_compile_generics)
2150 AC_SUBST(cf_generic_objects)
2151 ])dnl
2152 dnl ---------------------------------------------------------------------------
2153 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
2154 dnl --------------------
2155 dnl Check if the gnat pragma "Unreferenced" works.
2156 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
2157 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
2158 CF_GNAT_TRY_LINK([procedure conftest;],
2159 [with Text_IO;
2160 with GNAT.OS_Lib;
2161 procedure conftest is
2162    test : Integer;
2163    pragma Unreferenced (test);
2164 begin
2165    test := 1;
2166    Text_IO.Put ("Hello World");
2167    Text_IO.New_Line;
2168    GNAT.OS_Lib.OS_Exit (0);
2169 end conftest;],
2170         [cf_cv_pragma_unreferenced=yes],
2171         [cf_cv_pragma_unreferenced=no])])
2172
2173 # if the pragma is supported, use it (needed in the Trace code).
2174 if test $cf_cv_pragma_unreferenced = yes ; then
2175         PRAGMA_UNREF=TRUE
2176 else
2177         PRAGMA_UNREF=FALSE
2178 fi
2179 AC_SUBST(PRAGMA_UNREF)
2180 ])dnl
2181 dnl ---------------------------------------------------------------------------
2182 dnl CF_GNAT_PROJECTS version: 4 updated: 2013/09/07 14:05:46
2183 dnl ----------------
2184 dnl GNAT projects are configured with ".gpr" project files.
2185 dnl GNAT libraries are a further development, using the project feature.
2186 AC_DEFUN([CF_GNAT_PROJECTS],
2187 [
2188 AC_REQUIRE([CF_GNAT_VERSION])
2189
2190 cf_gnat_libraries=no
2191 cf_gnat_projects=no
2192
2193 AC_MSG_CHECKING(if GNAT supports project files)
2194 case $cf_gnat_version in #(vi
2195 3.[[0-9]]*) #(vi
2196         ;;
2197 *)
2198         case $cf_cv_system_name in #(vi
2199         cygwin*|msys*) #(vi
2200                 ;;
2201         *)
2202                 mkdir conftest.src conftest.bin conftest.lib
2203                 cd conftest.src
2204                 rm -rf conftest* *~conftest*
2205                 cat >>library.gpr <<CF_EOF
2206 project Library is
2207   Kind := External ("LIB_KIND");
2208   for Library_Name use "ConfTest";
2209   for Object_Dir use ".";
2210   for Library_ALI_Dir use External("LIBRARY_DIR");
2211   for Library_Version use External ("SONAME");
2212   for Library_Kind use Kind;
2213   for Library_Dir use External("BUILD_DIR");
2214   Source_Dir := External ("SOURCE_DIR");
2215   for Source_Dirs use (Source_Dir);
2216   package Compiler is
2217      for Default_Switches ("Ada") use
2218        ("-g",
2219         "-O2",
2220         "-gnatafno",
2221         "-gnatVa",   -- All validity checks
2222         "-gnatwa");  -- Activate all optional errors
2223   end Compiler;
2224 end Library;
2225 CF_EOF
2226                 cat >>confpackage.ads <<CF_EOF
2227 package ConfPackage is
2228    procedure conftest;
2229 end ConfPackage;
2230 CF_EOF
2231                 cat >>confpackage.adb <<CF_EOF
2232 with Text_IO;
2233 package body ConfPackage is
2234    procedure conftest is
2235    begin
2236       Text_IO.Put ("Hello World");
2237       Text_IO.New_Line;
2238    end conftest;
2239 end ConfPackage;
2240 CF_EOF
2241                 if ( $cf_ada_make $ADAFLAGS \
2242                                 -Plibrary.gpr \
2243                                 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2244                                 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2245                                 -XSOURCE_DIR=`pwd` \
2246                                 -XSONAME=libConfTest.so.1 \
2247                                 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2248                         cf_gnat_projects=yes
2249                 fi
2250                 cd ..
2251                 if test -f conftest.lib/confpackage.ali
2252                 then
2253                         cf_gnat_libraries=yes
2254                 fi
2255                 rm -rf conftest* *~conftest*
2256                 ;;
2257         esac
2258         ;;
2259 esac
2260 AC_MSG_RESULT($cf_gnat_projects)
2261
2262 if test $cf_gnat_projects = yes
2263 then
2264         AC_MSG_CHECKING(if GNAT supports libraries)
2265         AC_MSG_RESULT($cf_gnat_libraries)
2266 fi
2267
2268 if test "$cf_gnat_projects" = yes
2269 then
2270         USE_OLD_MAKERULES="#"
2271         USE_GNAT_PROJECTS=""
2272 else
2273         USE_OLD_MAKERULES=""
2274         USE_GNAT_PROJECTS="#"
2275 fi
2276
2277 if test "$cf_gnat_libraries" = yes
2278 then
2279         USE_GNAT_LIBRARIES=""
2280 else
2281         USE_GNAT_LIBRARIES="#"
2282 fi
2283
2284 AC_SUBST(USE_OLD_MAKERULES)
2285 AC_SUBST(USE_GNAT_PROJECTS)
2286 AC_SUBST(USE_GNAT_LIBRARIES)
2287 ])dnl
2288 dnl ---------------------------------------------------------------------------
2289 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2290 dnl --------------
2291 dnl Check if gnat supports SIGINT, and presumably tasking.  For the latter, it
2292 dnl is noted that gnat may compile a tasking unit even for configurations which
2293 dnl fail at runtime.
2294 AC_DEFUN([CF_GNAT_SIGINT],[
2295 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2296 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2297
2298 package ConfTest is
2299
2300    pragma Warnings (Off);  --  the next pragma exists since 3.11p
2301    pragma Unreserve_All_Interrupts;
2302    pragma Warnings (On);
2303
2304    protected Process is
2305       procedure Stop;
2306       function Continue return Boolean;
2307       pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2308    private
2309       Done : Boolean := False;
2310    end Process;
2311
2312 end ConfTest;],
2313 [package body ConfTest is
2314    protected body Process is
2315       procedure Stop is
2316       begin
2317          Done := True;
2318       end Stop;
2319       function Continue return Boolean is
2320       begin
2321          return not Done;
2322       end Continue;
2323    end Process;
2324 end ConfTest;],
2325         [cf_cv_gnat_sigint=yes],
2326         [cf_cv_gnat_sigint=no])])
2327
2328 if test $cf_cv_gnat_sigint = yes ; then
2329         USE_GNAT_SIGINT=""
2330 else
2331         USE_GNAT_SIGINT="#"
2332 fi
2333 AC_SUBST(USE_GNAT_SIGINT)
2334 ])dnl
2335 dnl ---------------------------------------------------------------------------
2336 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2337 dnl ----------------
2338 dnl Verify that a test program compiles/links with GNAT.
2339 dnl $cf_ada_make is set to the program that compiles/links
2340 dnl $ADAFLAGS may be set to the GNAT flags.
2341 dnl
2342 dnl $1 is the text of the spec
2343 dnl $2 is the text of the body
2344 dnl $3 is the shell command to execute if successful
2345 dnl $4 is the shell command to execute if not successful
2346 AC_DEFUN([CF_GNAT_TRY_LINK],
2347 [
2348 rm -rf conftest* *~conftest*
2349 cat >>conftest.ads <<CF_EOF
2350 $1
2351 CF_EOF
2352 cat >>conftest.adb <<CF_EOF
2353 $2
2354 CF_EOF
2355 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2356 ifelse($3,,      :,[      $3])
2357 ifelse($4,,,[else
2358    $4])
2359 fi
2360 rm -rf conftest* *~conftest*
2361 ])dnl
2362 dnl ---------------------------------------------------------------------------
2363 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2364 dnl ---------------
2365 dnl Verify that a test program compiles and runs with GNAT
2366 dnl $cf_ada_make is set to the program that compiles/links
2367 dnl $ADAFLAGS may be set to the GNAT flags.
2368 dnl
2369 dnl $1 is the text of the spec
2370 dnl $2 is the text of the body
2371 dnl $3 is the shell command to execute if successful
2372 dnl $4 is the shell command to execute if not successful
2373 AC_DEFUN([CF_GNAT_TRY_RUN],
2374 [
2375 rm -rf conftest* *~conftest*
2376 cat >>conftest.ads <<CF_EOF
2377 $1
2378 CF_EOF
2379 cat >>conftest.adb <<CF_EOF
2380 $2
2381 CF_EOF
2382 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2383    if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2384 ifelse($3,,      :,[      $3])
2385 ifelse($4,,,[   else
2386       $4])
2387    fi
2388 ifelse($4,,,[else
2389    $4])
2390 fi
2391 rm -rf conftest* *~conftest*
2392 ])dnl
2393 dnl ---------------------------------------------------------------------------
2394 dnl CF_GNAT_VERSION version: 18 updated: 2012/01/21 19:28:10
2395 dnl ---------------
2396 dnl Verify version of GNAT.
2397 AC_DEFUN([CF_GNAT_VERSION],
2398 [
2399 AC_MSG_CHECKING(for gnat version)
2400 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2401         grep '[[0-9]].[[0-9]][[0-9]]*' |\
2402     sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2403 AC_MSG_RESULT($cf_gnat_version)
2404
2405 case $cf_gnat_version in #(vi
2406 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]]) #(vi
2407         cf_cv_prog_gnat_correct=yes
2408         ;;
2409 *)
2410         AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2411         cf_cv_prog_gnat_correct=no
2412         ;;
2413 esac
2414 ])
2415 dnl ---------------------------------------------------------------------------
2416 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2417 dnl -------------
2418 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2419 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend.  This is a defect
2420 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2421 dnl since it is interwoven with GNU extensions.
2422 dnl
2423 dnl Well, yes we could work around it...
2424 AC_DEFUN([CF_GNU_SOURCE],
2425 [
2426 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2427 AC_TRY_COMPILE([#include <sys/types.h>],[
2428 #ifndef _XOPEN_SOURCE
2429 make an error
2430 #endif],
2431         [cf_cv_gnu_source=no],
2432         [cf_save="$CPPFLAGS"
2433          CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2434          AC_TRY_COMPILE([#include <sys/types.h>],[
2435 #ifdef _XOPEN_SOURCE
2436 make an error
2437 #endif],
2438         [cf_cv_gnu_source=no],
2439         [cf_cv_gnu_source=yes])
2440         CPPFLAGS="$cf_save"
2441         ])
2442 ])
2443 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2444 ])dnl
2445 dnl ---------------------------------------------------------------------------
2446 dnl CF_GPP_LIBRARY version: 11 updated: 2012/10/06 17:56:13
2447 dnl --------------
2448 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2449 dnl problem :-).  If we have the compiler but no library, we'll be able to
2450 dnl configure, but won't be able to build the c++ demo program.
2451 AC_DEFUN([CF_GPP_LIBRARY],
2452 [
2453 cf_cxx_library=unknown
2454 case $cf_cv_system_name in #(vi
2455 os2*) #(vi
2456         cf_gpp_libname=gpp
2457         ;;
2458 *)
2459         cf_gpp_libname=g++
2460         ;;
2461 esac
2462 if test "$GXX" = yes; then
2463         AC_MSG_CHECKING([for lib$cf_gpp_libname])
2464         cf_save="$LIBS"
2465         CF_ADD_LIB($cf_gpp_libname)
2466         AC_TRY_LINK([
2467 #include <$cf_gpp_libname/builtin.h>
2468         ],
2469         [two_arg_error_handler_t foo2 = lib_error_handler],
2470         [cf_cxx_library=yes
2471          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2472          if test "$cf_gpp_libname" = cpp ; then
2473             AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
2474          else
2475             AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
2476          fi],
2477         [AC_TRY_LINK([
2478 #include <builtin.h>
2479         ],
2480         [two_arg_error_handler_t foo2 = lib_error_handler],
2481         [cf_cxx_library=yes
2482          CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2483          AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
2484         [cf_cxx_library=no])])
2485         LIBS="$cf_save"
2486         AC_MSG_RESULT($cf_cxx_library)
2487 fi
2488 ])dnl
2489 dnl ---------------------------------------------------------------------------
2490 dnl CF_GXX_VERSION version: 7 updated: 2012/06/16 14:55:39
2491 dnl --------------
2492 dnl Check for version of g++
2493 AC_DEFUN([CF_GXX_VERSION],[
2494 AC_REQUIRE([AC_PROG_CPP])
2495 GXX_VERSION=none
2496 if test "$GXX" = yes; then
2497         AC_MSG_CHECKING(version of ${CXX:-g++})
2498         GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2499         test -z "$GXX_VERSION" && GXX_VERSION=unknown
2500         AC_MSG_RESULT($GXX_VERSION)
2501 fi
2502 ])dnl
2503 dnl ---------------------------------------------------------------------------
2504 dnl CF_GXX_WARNINGS version: 8 updated: 2013/11/16 14:27:53
2505 dnl ---------------
2506 dnl Check if the compiler supports useful warning options.
2507 dnl
2508 dnl Most of gcc's options apply to g++, except:
2509 dnl     -Wbad-function-cast
2510 dnl     -Wmissing-declarations
2511 dnl     -Wnested-externs
2512 dnl
2513 dnl Omit a few (for now):
2514 dnl     -Winline
2515 dnl
2516 dnl Parameter:
2517 dnl     $1 is an optional list of g++ warning flags that a particular
2518 dnl             application might want to use, e.g., "no-unused" for
2519 dnl             -Wno-unused
2520 dnl Special:
2521 dnl     If $with_ext_const is "yes", add a check for -Wwrite-strings
2522 dnl
2523 AC_DEFUN([CF_GXX_WARNINGS],
2524 [
2525
2526 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2527 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
2528
2529 AC_REQUIRE([CF_GXX_VERSION])
2530
2531 AC_LANG_SAVE
2532 AC_LANG_CPLUSPLUS
2533
2534 cat > conftest.$ac_ext <<EOF
2535 #line __oline__ "configure"
2536 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2537 EOF
2538
2539 if test "$INTEL_CPLUSPLUS" = yes
2540 then
2541 # The "-wdXXX" options suppress warnings:
2542 # remark #1419: external declaration in primary source file
2543 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2544 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2545 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2546 # remark #193: zero used for undefined preprocessing identifier
2547 # remark #593: variable "curs_sb_left_arrow" was set but never used
2548 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2549 # remark #869: parameter "tw" was never referenced
2550 # remark #981: operands are evaluated in unspecified order
2551 # warning #269: invalid format string conversion
2552
2553         AC_CHECKING([for $CC warning options])
2554         cf_save_CXXFLAGS="$CXXFLAGS"
2555         EXTRA_CXXFLAGS="-Wall"
2556         for cf_opt in \
2557                 wd1419 \
2558                 wd1682 \
2559                 wd1683 \
2560                 wd1684 \
2561                 wd193 \
2562                 wd279 \
2563                 wd593 \
2564                 wd810 \
2565                 wd869 \
2566                 wd981
2567         do
2568                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2569                 if AC_TRY_EVAL(ac_compile); then
2570                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2571                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2572                 fi
2573         done
2574         CXXFLAGS="$cf_save_CXXFLAGS"
2575
2576 elif test "$GXX" = yes
2577 then
2578         AC_CHECKING([for $CXX warning options])
2579         cf_save_CXXFLAGS="$CXXFLAGS"
2580         EXTRA_CXXFLAGS="-W -Wall"
2581         cf_gxx_extra_warnings=""
2582         test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2583         case "$GCC_VERSION" in
2584         [[1-2]].*)
2585                 ;;
2586         *)
2587                 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2588                 ;;
2589         esac
2590         for cf_opt in \
2591                 Wabi \
2592                 fabi-version=0 \
2593                 Wextra \
2594                 Wignored-qualifiers \
2595                 Wlogical-op \
2596                 Woverloaded-virtual \
2597                 Wsign-promo \
2598                 Wsynth \
2599                 Wold-style-cast \
2600                 Wcast-align \
2601                 Wcast-qual \
2602                 Wpointer-arith \
2603                 Wshadow \
2604                 Wundef $cf_gxx_extra_warnings $1
2605         do
2606                 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2607                 if AC_TRY_EVAL(ac_compile); then
2608                         test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2609                         EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2610                 else
2611                         test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2612                 fi
2613         done
2614         CXXFLAGS="$cf_save_CXXFLAGS"
2615 fi
2616
2617 rm -rf conftest*
2618 AC_LANG_RESTORE
2619 AC_SUBST(EXTRA_CXXFLAGS)
2620 ])dnl
2621 dnl ---------------------------------------------------------------------------
2622 dnl CF_HASHED_DB version: 5 updated: 2014/04/12 16:47:01
2623 dnl ------------
2624 dnl Look for an instance of the Berkeley hashed database.
2625 dnl
2626 dnl $1 = optional parameter, to specify install-prefix for the database.
2627 AC_DEFUN([CF_HASHED_DB],
2628 [
2629 ifelse([$1],,,[
2630 case $1 in #(vi
2631 yes|*able*) #(vi
2632     ;;
2633 *)
2634     if test -d "$1" ; then
2635         CF_ADD_INCDIR($1/include)
2636         CF_ADD_LIBDIR($1/lib)
2637         else
2638                 case "$1" in #(vi
2639                 ./*|../*|/*)
2640                         AC_MSG_WARN(no such directory $1)
2641                         ;; #(vi
2642                 *)
2643                         CF_FIND_SUB_INCDIR($1)
2644                         CF_FIND_SUB_LIBDIR($1)
2645                         ;;
2646                 esac
2647     fi
2648 esac
2649 ])
2650 AC_CHECK_HEADER(db.h,[
2651 CF_HASHED_DB_VERSION
2652 if test "$cf_cv_hashed_db_version" = unknown ; then
2653         AC_MSG_ERROR(Cannot determine version of db)
2654 else
2655         CF_HASHED_DB_LIBS
2656         if test "$cf_cv_hashed_db_libs" = unknown ; then
2657                 AC_MSG_ERROR(Cannot determine library for db)
2658         elif test "$cf_cv_hashed_db_libs" != default ; then
2659                 CF_ADD_LIB($cf_cv_hashed_db_libs)
2660         fi
2661 fi
2662 ],[
2663         AC_MSG_ERROR(Cannot find db.h)
2664 ])
2665 ])dnl
2666 dnl ---------------------------------------------------------------------------
2667 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2668 dnl -----------------
2669 dnl Given that we have the header and version for hashed database, find the
2670 dnl library information.
2671 AC_DEFUN([CF_HASHED_DB_LIBS],
2672 [
2673 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2674 cf_cv_hashed_db_libs=unknown
2675 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2676 do
2677         cf_save_libs="$LIBS"
2678         if test -n "$cf_db_libs"; then
2679                 CF_ADD_LIB($cf_db_libs)
2680         fi
2681         CF_MSG_LOG(checking for library "$cf_db_libs")
2682         AC_TRY_LINK([
2683 $ac_includes_default
2684 #include <db.h>
2685 ],[
2686         char *path = "/tmp/foo";
2687 #ifdef DB_VERSION_MAJOR
2688 #if DB_VERSION_MAJOR >= 4
2689         DB *result = 0;
2690         db_create(&result, NULL, 0);
2691         result->open(result,
2692                 NULL,
2693                 path,
2694                 path,
2695                 DB_HASH,
2696                 DB_CREATE,
2697                 0644);
2698 #elif DB_VERSION_MAJOR >= 3
2699         DB *result = 0;
2700         db_create(&result, NULL, 0);
2701         result->open(result,
2702                 path,
2703                 path,
2704                 DB_HASH,
2705                 DB_CREATE,
2706                 0644);
2707 #elif DB_VERSION_MAJOR >= 2
2708         DB *result = 0;
2709         db_open(path,
2710                 DB_HASH,
2711                 DB_CREATE,
2712                 0644,
2713                 (DB_ENV *) 0,
2714                 (DB_INFO *) 0,
2715                 &result);
2716 #endif /* DB_VERSION_MAJOR */
2717 #else
2718         DB *result = dbopen(path,
2719                      2,
2720                      0644,
2721                      DB_HASH,
2722                      0);
2723 #endif
2724         ${cf_cv_main_return:-return}(result != 0)
2725 ],[
2726         if test -n "$cf_db_libs" ; then
2727                 cf_cv_hashed_db_libs=$cf_db_libs
2728         else
2729                 cf_cv_hashed_db_libs=default
2730         fi
2731         LIBS="$cf_save_libs"
2732         break
2733 ])
2734         LIBS="$cf_save_libs"
2735 done
2736 ])
2737 ])dnl
2738 dnl ---------------------------------------------------------------------------
2739 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
2740 dnl --------------------
2741 dnl Given that we have the header file for hashed database, find the version
2742 dnl information.
2743 AC_DEFUN([CF_HASHED_DB_VERSION],
2744 [
2745 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2746 cf_cv_hashed_db_version=unknown
2747
2748 for cf_db_version in 1 2 3 4 5 6
2749 do
2750         CF_MSG_LOG(checking for db version $cf_db_version)
2751         AC_TRY_COMPILE([
2752 $ac_includes_default
2753 #include <db.h>
2754
2755 #ifdef DB_VERSION_MAJOR
2756         /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2757 #if $cf_db_version == DB_VERSION_MAJOR
2758         /* ok */
2759 #else
2760         make an error
2761 #endif
2762 #else
2763 #if $cf_db_version == 1
2764         /* ok: assuming this is DB 1.8.5 */
2765 #else
2766         make an error
2767 #endif
2768 #endif
2769 ],[DBT *foo = 0],[
2770         cf_cv_hashed_db_version=$cf_db_version
2771         break
2772         ])
2773 done
2774 ])
2775 ])dnl
2776 dnl ---------------------------------------------------------------------------
2777 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2778 dnl --------------
2779 dnl Construct a search-list of directories for a nonstandard header-file
2780 dnl
2781 dnl Parameters
2782 dnl     $1 = the variable to return as result
2783 dnl     $2 = the package name
2784 AC_DEFUN([CF_HEADER_PATH],
2785 [
2786 $1=
2787
2788 # collect the current set of include-directories from compiler flags
2789 cf_header_path_list=""
2790 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2791         for cf_header_path in $CPPFLAGS $CFLAGS
2792         do
2793                 case $cf_header_path in #(vi
2794                 -I*)
2795                         cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2796                         CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2797                         cf_header_path_list="$cf_header_path_list [$]$1"
2798                         ;;
2799                 esac
2800         done
2801 fi
2802
2803 # add the variations for the package we are looking for
2804 CF_SUBDIR_PATH($1,$2,include)
2805
2806 test "$includedir" != NONE && \
2807 test "$includedir" != "/usr/include" && \
2808 test -d "$includedir" && {
2809         test -d $includedir &&    $1="[$]$1 $includedir"
2810         test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2811 }
2812
2813 test "$oldincludedir" != NONE && \
2814 test "$oldincludedir" != "/usr/include" && \
2815 test -d "$oldincludedir" && {
2816         test -d $oldincludedir    && $1="[$]$1 $oldincludedir"
2817         test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2818 }
2819
2820 $1="[$]$1 $cf_header_path_list"
2821 ])dnl
2822 dnl ---------------------------------------------------------------------------
2823 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2824 dnl ---------------
2825 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2826 AC_DEFUN([CF_HELP_MESSAGE],
2827 [AC_DIVERT_HELP([$1])dnl
2828 ])dnl
2829 dnl ---------------------------------------------------------------------------
2830 dnl CF_INCLUDE_DIRS version: 8 updated: 2013/10/12 16:45:09
2831 dnl ---------------
2832 dnl Construct the list of include-options according to whether we're building
2833 dnl in the source directory or using '--srcdir=DIR' option.  If we're building
2834 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2835 dnl since that usually breaks gcc's shadow-includes.
2836 AC_DEFUN([CF_INCLUDE_DIRS],
2837 [
2838 if test "$GCC" != yes; then
2839         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2840 elif test "$includedir" != "/usr/include"; then
2841         if test "$includedir" = '${prefix}/include' ; then
2842                 if test x$prefix != x/usr ; then
2843                         CPPFLAGS="-I\${includedir} $CPPFLAGS"
2844                 fi
2845         else
2846                 CPPFLAGS="-I\${includedir} $CPPFLAGS"
2847         fi
2848 fi
2849 if test "$srcdir" != "."; then
2850         CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2851 fi
2852 CPPFLAGS="-I. -I../include $CPPFLAGS"
2853 AC_SUBST(CPPFLAGS)
2854 ])dnl
2855 dnl ---------------------------------------------------------------------------
2856 dnl CF_INTEL_COMPILER version: 6 updated: 2014/03/17 13:13:07
2857 dnl -----------------
2858 dnl Check if the given compiler is really the Intel compiler for Linux.  It
2859 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2860 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2861 dnl
2862 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2863 dnl ensure that it is not mistaken for gcc/g++.  It is normally invoked from
2864 dnl the wrappers for gcc and g++ warnings.
2865 dnl
2866 dnl $1 = GCC (default) or GXX
2867 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2868 dnl $3 = CFLAGS (default) or CXXFLAGS
2869 AC_DEFUN([CF_INTEL_COMPILER],[
2870 AC_REQUIRE([AC_CANONICAL_HOST])
2871 ifelse([$2],,INTEL_COMPILER,[$2])=no
2872
2873 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2874         case $host_os in
2875         linux*|gnu*)
2876                 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2877                 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2878                 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2879                 AC_TRY_COMPILE([],[
2880 #ifdef __INTEL_COMPILER
2881 #else
2882 make an error
2883 #endif
2884 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2885 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2886 ],[])
2887                 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2888                 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2889                 ;;
2890         esac
2891 fi
2892 ])dnl
2893 dnl ---------------------------------------------------------------------------
2894 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
2895 dnl ----------
2896 dnl Check if we have either a function or macro for 'isascii()'.
2897 AC_DEFUN([CF_ISASCII],
2898 [
2899 AC_MSG_CHECKING(for isascii)
2900 AC_CACHE_VAL(cf_cv_have_isascii,[
2901         AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2902         [cf_cv_have_isascii=yes],
2903         [cf_cv_have_isascii=no])
2904 ])dnl
2905 AC_MSG_RESULT($cf_cv_have_isascii)
2906 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
2907 ])dnl
2908 dnl ---------------------------------------------------------------------------
2909 dnl CF_LARGEFILE version: 8 updated: 2012/10/06 08:57:51
2910 dnl ------------
2911 dnl Add checks for large file support.
2912 AC_DEFUN([CF_LARGEFILE],[
2913 ifdef([AC_FUNC_FSEEKO],[
2914     AC_SYS_LARGEFILE
2915     if test "$enable_largefile" != no ; then
2916         AC_FUNC_FSEEKO
2917
2918         # Normally we would collect these definitions in the config.h,
2919         # but (like _XOPEN_SOURCE), some environments rely on having these
2920         # defined before any of the system headers are included.  Another
2921         # case comes up with C++, e.g., on AIX the compiler compiles the
2922         # header files by themselves before looking at the body files it is
2923         # told to compile.  For ncurses, those header files do not include
2924         # the config.h
2925         test "$ac_cv_sys_large_files"      != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2926         test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2927         test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2928
2929         AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2930                 AC_TRY_COMPILE([
2931 #include <sys/types.h>
2932 #include <dirent.h>
2933                 ],[
2934                 /* if transitional largefile support is setup, this is true */
2935                 extern struct dirent64 * readdir(DIR *);
2936                 struct dirent64 *x = readdir((DIR *)0);
2937                 struct dirent *y = readdir((DIR *)0);
2938                 int z = x - y;
2939                 ],
2940                 [cf_cv_struct_dirent64=yes],
2941                 [cf_cv_struct_dirent64=no])
2942         ])
2943         test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2944     fi
2945 ])
2946 ])
2947 dnl ---------------------------------------------------------------------------
2948 dnl CF_LDFLAGS_STATIC version: 10 updated: 2011/09/24 12:51:48
2949 dnl -----------------
2950 dnl Check for compiler/linker flags used to temporarily force usage of static
2951 dnl libraries.  This depends on the compiler and platform.  Use this to help
2952 dnl ensure that the linker picks up a given library based on its position in
2953 dnl the list of linker options and libraries.
2954 AC_DEFUN([CF_LDFLAGS_STATIC],[
2955
2956 if test "$GCC" = yes ; then
2957         case $cf_cv_system_name in #(
2958         OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)         #( vi
2959                 LDFLAGS_STATIC=
2960                 LDFLAGS_SHARED=
2961                 ;;
2962     *)  #( normally, except when broken
2963         LDFLAGS_STATIC=-static
2964         LDFLAGS_SHARED=-dynamic
2965         ;;
2966     esac
2967 else
2968         case $cf_cv_system_name in #(
2969         aix[[4-7]]*)    #( from ld manpage
2970                 LDFLAGS_STATIC=-bstatic
2971                 LDFLAGS_SHARED=-bdynamic
2972                 ;;
2973         hpux*)          #( from ld manpage for hpux10.20, hpux11.11
2974                 # We could also use just "archive" and "shared".
2975                 LDFLAGS_STATIC=-Wl,-a,archive_shared
2976                 LDFLAGS_SHARED=-Wl,-a,shared_archive
2977                 ;;
2978         irix*)          #( from ld manpage IRIX64
2979                 LDFLAGS_STATIC=-Bstatic
2980                 LDFLAGS_SHARED=-Bdynamic
2981                 ;;
2982         osf[[45]]*)     #( from ld manpage osf4.0d, osf5.1
2983                 # alternative "-oldstyle_liblookup" (not in cc manpage)
2984                 LDFLAGS_STATIC=-noso
2985                 LDFLAGS_SHARED=-so_archive
2986                 ;;
2987         solaris2*)
2988                 LDFLAGS_STATIC=-Bstatic
2989                 LDFLAGS_SHARED=-Bdynamic
2990                 ;;
2991         esac
2992 fi
2993
2994 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2995 then
2996         AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2997
2998         rm -f libconftest.a
2999         cat >conftest.$ac_ext <<EOF
3000 #line __oline__ "configure"
3001 #include <stdio.h>
3002 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3003 EOF
3004         if AC_TRY_EVAL(ac_compile) ; then
3005                 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3006                 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3007         fi
3008         rm -f conftest.*
3009
3010         cf_save_LIBS="$LIBS"
3011
3012         LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3013         AC_TRY_LINK([
3014 #line __oline__ "configure"
3015 #include <stdio.h>
3016 int cf_ldflags_static(FILE *fp);
3017 ],[
3018         return cf_ldflags_static(stdin);
3019 ],[
3020         # some linkers simply ignore the -dynamic
3021         case x`file conftest$ac_exeext 2>/dev/null` in #(vi
3022         *static*) # (vi
3023                 cf_ldflags_static=no
3024                 ;;
3025         *)
3026                 cf_ldflags_static=yes
3027                 ;;
3028         esac
3029 ],[cf_ldflags_static=no])
3030
3031         rm -f libconftest.*
3032         LIBS="$cf_save_LIBS"
3033
3034         AC_MSG_RESULT($cf_ldflags_static)
3035
3036         if test $cf_ldflags_static != yes
3037         then
3038                 LDFLAGS_STATIC=
3039                 LDFLAGS_SHARED=
3040         fi
3041 else
3042         LDFLAGS_STATIC=
3043         LDFLAGS_SHARED=
3044 fi
3045
3046 AC_SUBST(LDFLAGS_STATIC)
3047 AC_SUBST(LDFLAGS_SHARED)
3048 ])
3049 dnl ---------------------------------------------------------------------------
3050 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
3051 dnl ---------------
3052 dnl For the given system and compiler, find the compiler flags to pass to the
3053 dnl loader to use the "rpath" feature.
3054 AC_DEFUN([CF_LD_RPATH_OPT],
3055 [
3056 AC_REQUIRE([CF_CHECK_CACHE])
3057
3058 LD_RPATH_OPT=
3059 AC_MSG_CHECKING(for an rpath option)
3060 case $cf_cv_system_name in #(vi
3061 irix*) #(vi
3062         if test "$GCC" = yes; then
3063                 LD_RPATH_OPT="-Wl,-rpath,"
3064         else
3065                 LD_RPATH_OPT="-rpath "
3066         fi
3067         ;;
3068 linux*|gnu*|k*bsd*-gnu) #(vi
3069         LD_RPATH_OPT="-Wl,-rpath,"
3070         ;;
3071 openbsd[[2-9]].*|mirbsd*) #(vi
3072         LD_RPATH_OPT="-Wl,-rpath,"
3073         ;;
3074 dragonfly*|freebsd*) #(vi
3075         LD_RPATH_OPT="-rpath "
3076         ;;
3077 netbsd*) #(vi
3078         LD_RPATH_OPT="-Wl,-rpath,"
3079         ;;
3080 osf*|mls+*) #(vi
3081         LD_RPATH_OPT="-rpath "
3082         ;;
3083 solaris2*) #(vi
3084         LD_RPATH_OPT="-R"
3085         ;;
3086 *)
3087         ;;
3088 esac
3089 AC_MSG_RESULT($LD_RPATH_OPT)
3090
3091 case "x$LD_RPATH_OPT" in #(vi
3092 x-R*)
3093         AC_MSG_CHECKING(if we need a space after rpath option)
3094         cf_save_LIBS="$LIBS"
3095         CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
3096         AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
3097         LIBS="$cf_save_LIBS"
3098         AC_MSG_RESULT($cf_rpath_space)
3099         test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
3100         ;;
3101 esac
3102 ])dnl
3103 dnl ---------------------------------------------------------------------------
3104 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
3105 dnl ---------------
3106 dnl Construct a search-list of directories for a nonstandard library-file
3107 dnl
3108 dnl Parameters
3109 dnl     $1 = the variable to return as result
3110 dnl     $2 = the package name
3111 AC_DEFUN([CF_LIBRARY_PATH],
3112 [
3113 $1=
3114 cf_library_path_list=""
3115 if test -n "${LDFLAGS}${LIBS}" ; then
3116         for cf_library_path in $LDFLAGS $LIBS
3117         do
3118                 case $cf_library_path in #(vi
3119                 -L*)
3120                         cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
3121                         CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
3122                         cf_library_path_list="$cf_library_path_list [$]$1"
3123                         ;;
3124                 esac
3125         done
3126 fi
3127
3128 CF_SUBDIR_PATH($1,$2,lib)
3129
3130 $1="$cf_library_path_list [$]$1"
3131 ])dnl
3132 dnl ---------------------------------------------------------------------------
3133 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
3134 dnl ------------------
3135 AC_DEFUN([CF_LIBTOOL_VERSION],[
3136 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
3137 then
3138         cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
3139 else
3140         cf_cv_libtool_version=
3141 fi
3142 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
3143 ])dnl
3144 dnl ---------------------------------------------------------------------------
3145 dnl CF_LIB_PREFIX version: 9 updated: 2012/01/21 19:28:10
3146 dnl -------------
3147 dnl Compute the library-prefix for the given host system
3148 dnl $1 = variable to set
3149 define([CF_LIB_PREFIX],
3150 [
3151         case $cf_cv_system_name in #(vi
3152         OS/2*|os2*) #(vi
3153         LIB_PREFIX=''
3154         ;;
3155         *)      LIB_PREFIX='lib'
3156         ;;
3157         esac
3158 ifelse($1,,,[$1=$LIB_PREFIX])
3159         AC_SUBST(LIB_PREFIX)
3160 ])dnl
3161 dnl ---------------------------------------------------------------------------
3162 dnl CF_LIB_RULES version: 74 updated: 2013/09/07 13:54:05
3163 dnl ------------
3164 dnl Append definitions and rules for the given models to the subdirectory
3165 dnl Makefiles, and the recursion rule for the top-level Makefile.  If the
3166 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
3167 dnl the corresponding makefile to list the models that we'll generate.
3168 dnl
3169 dnl For shared libraries, make a list of symbolic links to construct when
3170 dnl generating each library.  The convention used for Linux is the simplest
3171 dnl one:
3172 dnl     lib<name>.so    ->
3173 dnl     lib<name>.so.<major>    ->
3174 dnl     lib<name>.so.<maj>.<minor>
3175 dnl
3176 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
3177 AC_DEFUN([CF_LIB_RULES],
3178 [
3179 cf_prefix=$LIB_PREFIX
3180 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3181
3182 case $cf_cv_shlib_version in #(vi
3183 cygdll|msysdll|mingw)
3184         TINFO_NAME=$TINFO_ARG_SUFFIX
3185         TINFO_SUFFIX=.dll
3186         ;;
3187 esac
3188
3189 if test -n "$TINFO_SUFFIX" ; then
3190         case $TINFO_SUFFIX in
3191         tw*)
3192                 TINFO_NAME="${TINFO_NAME}tw"
3193                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
3194                 ;;
3195         t*)
3196                 TINFO_NAME="${TINFO_NAME}t"
3197                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
3198                 ;;
3199         w*)
3200                 TINFO_NAME="${TINFO_NAME}w"
3201                 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
3202                 ;;
3203         esac
3204 fi
3205
3206 for cf_dir in $SRC_SUBDIRS
3207 do
3208         if test ! -d $srcdir/$cf_dir ; then
3209                 continue
3210         elif test -f $srcdir/$cf_dir/modules; then
3211
3212                 SHARED_LIB=
3213                 Libs_To_Make=
3214                 for cf_item in $cf_LIST_MODELS
3215                 do
3216                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3217                         cf_libname=$cf_dir
3218                         test "$cf_dir" = c++ && cf_libname=ncurses++
3219                         if test $cf_item = shared ; then
3220                                 if test -n "${LIB_SUFFIX}"
3221                                 then
3222                                         cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3223                                 else
3224                                         cf_shared_suffix="$cf_suffix"
3225                                 fi
3226                                 if test "$cf_cv_do_symlinks" = yes ; then
3227                                         cf_version_name=
3228
3229                                         case "$cf_cv_shlib_version" in #(vi
3230                                         rel) #(vi
3231                                                 cf_version_name=REL_VERSION
3232                                                 ;;
3233                                         abi)
3234                                                 cf_version_name=ABI_VERSION
3235                                                 ;;
3236                                         esac
3237
3238                                         if test -n "$cf_version_name"
3239                                         then
3240                                                 case "$cf_cv_system_name" in #(vi
3241                                                 darwin*)
3242                                                         # "w", etc?
3243                                                         cf_suffix="${LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
3244                                                         ;; #(vi
3245                                                 *)
3246                                                         cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
3247                                                         ;;
3248                                                 esac
3249                                         fi
3250                                         if test -n "${LIB_SUFFIX}"
3251                                         then
3252                                                 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${LIB_SUFFIX}"'//'`
3253                                         else
3254                                                 cf_shared_suffix="$cf_suffix"
3255                                         fi
3256                                 fi
3257                                 # cygwin needs import library, and has unique naming convention
3258                                 # use autodetected ${cf_prefix} for import lib and static lib, but
3259                                 # use 'cyg' prefix for shared lib.
3260                                 case $cf_cv_shlib_version in #(vi
3261                                 cygdll) #(vi
3262                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3263                                         Libs_To_Make="$Libs_To_Make ../lib/cyg${cf_libname}${cf_cygsuf}"
3264                                         continue
3265                                         ;;
3266                                 msysdll) #(vi
3267                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3268                                         Libs_To_Make="$Libs_To_Make ../lib/msys-${cf_libname}${cf_cygsuf}"
3269                                         continue
3270                                         ;;
3271                                 mingw)
3272                                         cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3273                                         Libs_To_Make="$Libs_To_Make ../lib/lib${cf_libname}${cf_cygsuf}"
3274                                         continue
3275                                         ;;
3276                                 esac
3277                         fi
3278                         Libs_To_Make="$Libs_To_Make ../lib/${cf_prefix}${cf_libname}${cf_suffix}"
3279                 done
3280
3281                 if test $cf_dir = ncurses ; then
3282                         cf_subsets="$LIB_SUBSETS"
3283                         cf_r_parts="$cf_subsets"
3284                         cf_liblist="$Libs_To_Make"
3285
3286                         while test -n "$cf_r_parts"
3287                         do
3288                                 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3289                                 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3290                                 if test "$cf_l_parts" != "$cf_r_parts" ; then
3291                                         cf_item=
3292                                         case $cf_l_parts in #(vi
3293                                         *termlib*) #(vi
3294                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3295                                                 ;;
3296                                         *ticlib*)
3297                                                 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3298                                                 ;;
3299                                         *)
3300                                                 break
3301                                                 ;;
3302                                         esac
3303                                         if test -n "$cf_item"; then
3304                                                 Libs_To_Make="$cf_item $Libs_To_Make"
3305                                         fi
3306                                 else
3307                                         break
3308                                 fi
3309                         done
3310                 else
3311                         cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3312                 fi
3313
3314                 if test $cf_dir = c++; then
3315                         if test "x$with_shared_cxx" != xyes && test -n "$cf_shared_suffix"; then
3316                                 cf_list=
3317                                 for cf_item in $Libs_To_Make
3318                                 do
3319                                         case $cf_item in
3320                                         *.a)
3321                                                 ;;
3322                                         *)
3323                                                 cf_item=`echo "$cf_item" | sed -e "s,"$cf_shared_suffix",.a,"`
3324                                                 ;;
3325                                         esac
3326                                         for cf_test in $cf_list
3327                                         do
3328                                                 if test "$cf_test" = "$cf_item"
3329                                                 then
3330                                                         cf_LIST_MODELS=`echo "$cf_LIST_MODELS" | sed -e 's/normal//'`
3331                                                         cf_item=
3332                                                         break
3333                                                 fi
3334                                         done
3335                                         test -n "$cf_item" && cf_list="$cf_list $cf_item"
3336                                 done
3337                                 Libs_To_Make="$cf_list"
3338                         fi
3339                 fi
3340
3341                 sed -e "s%@Libs_To_Make@%$Libs_To_Make%" \
3342                     -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3343                         $cf_dir/Makefile >$cf_dir/Makefile.out
3344                 mv $cf_dir/Makefile.out $cf_dir/Makefile
3345
3346                 $AWK -f $srcdir/mk-0th.awk \
3347                         libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" ticlib="$TICS_LIB_SUFFIX" termlib="$TINFO_LIB_SUFFIX" \
3348                         $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3349
3350                 for cf_subset in $cf_subsets
3351                 do
3352                         cf_subdirs=
3353                         for cf_item in $cf_LIST_MODELS
3354                         do
3355
3356                         echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3357                         CF_UPPER(cf_ITEM,$cf_item)
3358
3359                         CXX_MODEL=$cf_ITEM
3360                         if test "$CXX_MODEL" = SHARED; then
3361                                 case $cf_cv_shlib_version in #(vi
3362                                 cygdll|msysdll|mingw) #(vi
3363                                         test "x$with_shared_cxx" = xno && CF_VERBOSE(overriding CXX_MODEL to SHARED)
3364                                         with_shared_cxx=yes
3365                                         ;;
3366                                 *)
3367                                         test "x$with_shared_cxx" = xno && CXX_MODEL=NORMAL
3368                                         ;;
3369                                 esac
3370                         fi
3371
3372                         CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3373                         CF_OBJ_SUBDIR($cf_item,cf_subdir)
3374
3375                         # Test for case where we build libtinfo with a different name.
3376                         cf_libname=$cf_dir
3377                         if test $cf_dir = ncurses ; then
3378                                 case $cf_subset in
3379                                 *base*)
3380                                         cf_libname=${cf_libname}$LIB_SUFFIX
3381                                         ;;
3382                                 *termlib*)
3383                                         cf_libname=$TINFO_LIB_SUFFIX
3384                                         ;;
3385                                 ticlib*)
3386                                         cf_libname=$TICS_LIB_SUFFIX
3387                                         ;;
3388                                 esac
3389                         elif test $cf_dir = c++ ; then
3390                                 cf_libname=ncurses++$LIB_SUFFIX
3391                         else
3392                                 cf_libname=${cf_libname}$LIB_SUFFIX
3393                         fi
3394                         if test -n "${DFT_ARG_SUFFIX}" ; then
3395                                 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3396                                 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3397                         fi
3398
3399                         # These dependencies really are for development, not
3400                         # builds, but they are useful in porting, too.
3401                         cf_depend="../include/ncurses_cfg.h"
3402                         if test "$srcdir" = "."; then
3403                                 cf_reldir="."
3404                         else
3405                                 cf_reldir="\${srcdir}"
3406                         fi
3407
3408                         if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3409                                 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3410                         elif test -f $srcdir/$cf_dir/curses.priv.h; then
3411                                 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3412                         fi
3413
3414                         cf_dir_suffix=
3415                         old_cf_suffix="$cf_suffix"
3416                         if test "$cf_cv_shlib_version_infix" = yes ; then
3417                         if test -n "$LIB_SUFFIX" ; then
3418                                 case $LIB_SUFFIX in
3419                                 tw*)
3420                                         cf_libname=`echo $cf_libname | sed 's/tw$//'`
3421                                         cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3422                                         cf_dir_suffix=tw
3423                                         ;;
3424                                 t*)
3425                                         cf_libname=`echo $cf_libname | sed 's/t$//'`
3426                                         cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3427                                         cf_dir_suffix=t
3428                                         ;;
3429                                 w*)
3430                                         cf_libname=`echo $cf_libname | sed 's/w$//'`
3431                                         cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3432                                         cf_dir_suffix=w
3433                                         ;;
3434                                 esac
3435                         fi
3436                         fi
3437
3438                         $AWK -f $srcdir/mk-1st.awk \
3439                                 name=${cf_libname}${cf_dir_suffix} \
3440                                 traces=$LIB_TRACING \
3441                                 MODEL=$cf_ITEM \
3442                                 CXX_MODEL=$CXX_MODEL \
3443                                 model=$cf_subdir \
3444                                 prefix=$cf_prefix \
3445                                 suffix=$cf_suffix \
3446                                 subset=$cf_subset \
3447                                 driver=$cf_cv_term_driver \
3448                                 SymLink="$LN_S" \
3449                                 TermlibRoot=$TINFO_NAME \
3450                                 TermlibSuffix=$TINFO_SUFFIX \
3451                                 ShlibVer=$cf_cv_shlib_version \
3452                                 ShlibVerInfix=$cf_cv_shlib_version_infix \
3453                                 ReLink=${cf_cv_do_relink:-no} \
3454                                 DoLinks=$cf_cv_do_symlinks \
3455                                 rmSoLocs=$cf_cv_rm_so_locs \
3456                                 ldconfig="$LDCONFIG" \
3457                                 overwrite=$WITH_OVERWRITE \
3458                                 depend="$cf_depend" \
3459                                 host="$host" \
3460                                 libtool_version="$LIBTOOL_VERSION" \
3461                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3462
3463                         cf_suffix="$old_cf_suffix"
3464
3465                         for cf_subdir2 in $cf_subdirs lib
3466                         do
3467                                 test $cf_subdir = $cf_subdir2 && break
3468                         done
3469                         test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3470                         $AWK -f $srcdir/mk-2nd.awk \
3471                                 name=$cf_dir \
3472                                 traces=$LIB_TRACING \
3473                                 MODEL=$cf_ITEM \
3474                                 model=$cf_subdir \
3475                                 subset=$cf_subset \
3476                                 srcdir=$srcdir \
3477                                 echo=$WITH_ECHO \
3478                                 crenames=$cf_cv_prog_CC_c_o \
3479                                 cxxrenames=$cf_cv_prog_CXX_c_o \
3480                                 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3481                         cf_subdirs="$cf_subdirs $cf_subdir"
3482                         done
3483                 done
3484         fi
3485
3486         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >>Makefile
3487 done
3488
3489 for cf_dir in $SRC_SUBDIRS
3490 do
3491         if test ! -d $srcdir/$cf_dir ; then
3492                 continue
3493         fi
3494
3495         if test -f $cf_dir/Makefile ; then
3496                 case "$cf_dir" in
3497                 Ada95) #(vi
3498                         echo 'libs \' >> Makefile
3499                         echo 'install.libs \' >> Makefile
3500                         echo 'uninstall.libs ::' >> Makefile
3501                         echo '  cd '$cf_dir' && ${MAKE} ${TOP_MFLAGS} [$]@' >> Makefile
3502                         ;;
3503                 esac
3504         fi
3505
3506         if test -f $srcdir/$cf_dir/modules; then
3507                 echo >> Makefile
3508                 if test -f $srcdir/$cf_dir/headers; then
3509 cat >> Makefile <<CF_EOF
3510 install.includes \\
3511 uninstall.includes \\
3512 CF_EOF
3513                 fi
3514 if test "$cf_dir" != "c++" ; then
3515 echo 'lint \' >> Makefile
3516 fi
3517 cat >> Makefile <<CF_EOF
3518 libs \\
3519 lintlib \\
3520 install.libs \\
3521 uninstall.libs \\
3522 install.$cf_dir \\
3523 uninstall.$cf_dir ::
3524         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3525 CF_EOF
3526         elif test -f $srcdir/$cf_dir/headers; then
3527 cat >> Makefile <<CF_EOF
3528
3529 libs \\
3530 install.libs \\
3531 uninstall.libs \\
3532 install.includes \\
3533 uninstall.includes ::
3534         cd $cf_dir && \${MAKE} \${TOP_MFLAGS} \[$]@
3535 CF_EOF
3536 fi
3537 done
3538
3539 if test "x$cf_with_db_install" = xyes; then
3540 cat >> Makefile <<CF_EOF
3541
3542 install.libs uninstall.libs \\
3543 install.data uninstall.data ::
3544 $MAKE_TERMINFO  cd misc && \${MAKE} \${TOP_MFLAGS} \[$]@
3545 CF_EOF
3546 fi
3547
3548 if test "x$cf_with_manpages" = xyes; then
3549 cat >> Makefile <<CF_EOF
3550
3551 install.man \\
3552 uninstall.man ::
3553         cd man && \${MAKE} \${TOP_MFLAGS} \[$]@
3554 CF_EOF
3555 fi
3556
3557 cat >> Makefile <<CF_EOF
3558
3559 distclean ::
3560         rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3561         rm -f headers.sh headers.sed mk_shared_lib.sh
3562         rm -f edit_man.* man_alias.*
3563         rm -rf \${DIRS_TO_MAKE}
3564 CF_EOF
3565
3566 # Special case: tack's manpage lives in its own directory.
3567 if test "x$cf_with_manpages" = xyes; then
3568 if test -d tack ; then
3569 if test -f $srcdir/$tack.h; then
3570 cat >> Makefile <<CF_EOF
3571
3572 install.man \\
3573 uninstall.man ::
3574         cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@
3575 CF_EOF
3576 fi
3577 fi
3578 fi
3579
3580 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3581 dnl prepend the subdirectory's name to the "#include" paths.  It won't hurt
3582 dnl anything, and will make it more standardized.  It's awkward to decide this
3583 dnl at configuration because of quoting, so we'll simply make all headers
3584 dnl installed via a script that can do the right thing.
3585
3586 rm -f headers.sed headers.sh
3587
3588 dnl ( generating this script makes the makefiles a little tidier :-)
3589 echo creating headers.sh
3590 cat >headers.sh <<CF_EOF
3591 #! /bin/sh
3592 # This shell script is generated by the 'configure' script.  It is invoked in a
3593 # subdirectory of the build tree.  It generates a sed-script in the parent
3594 # directory that is used to adjust includes for header files that reside in a
3595 # subdirectory of /usr/include, etc.
3596 PRG=""
3597 while test \[$]# != 3
3598 do
3599 PRG="\$PRG \[$]1"; shift
3600 done
3601 DST=\[$]1
3602 REF=\[$]2
3603 SRC=\[$]3
3604 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3605 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3606 echo installing \$SRC in \$DST
3607 CF_EOF
3608
3609 if test $WITH_CURSES_H = yes; then
3610         cat >>headers.sh <<CF_EOF
3611 case \$DST in
3612 /*/include/*)
3613         END=\`basename \$DST\`
3614         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3615         do
3616                 NAME=\`basename \$i\`
3617                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3618         done
3619         ;;
3620 *)
3621         echo "" >> \$TMPSED
3622         ;;
3623 esac
3624 CF_EOF
3625
3626 else
3627         cat >>headers.sh <<CF_EOF
3628 case \$DST in
3629 /*/include/*)
3630         END=\`basename \$DST\`
3631         for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3632         do
3633                 NAME=\`basename \$i\`
3634                 if test "\$NAME" = "curses.h"
3635                 then
3636                         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3637                         NAME=ncurses.h
3638                 fi
3639                 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3640         done
3641         ;;
3642 *)
3643         echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3644         ;;
3645 esac
3646 CF_EOF
3647 fi
3648 cat >>headers.sh <<CF_EOF
3649 rm -f \$TMPSRC
3650 sed -f \$TMPSED \$SRC > \$TMPSRC
3651 NAME=\`basename \$SRC\`
3652 CF_EOF
3653 if test $WITH_CURSES_H != yes; then
3654         cat >>headers.sh <<CF_EOF
3655 test "\$NAME" = "curses.h" && NAME=ncurses.h
3656 CF_EOF
3657 fi
3658 cat >>headers.sh <<CF_EOF
3659 # Just in case someone gzip'd manpages, remove the conflicting copy.
3660 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3661
3662 eval \$PRG \$TMPSRC \$DST/\$NAME
3663 rm -f \$TMPSRC \$TMPSED
3664 CF_EOF
3665
3666 chmod 0755 headers.sh
3667
3668 for cf_dir in $SRC_SUBDIRS
3669 do
3670         if test ! -d $srcdir/$cf_dir ; then
3671                 continue
3672         fi
3673
3674         if test -f $srcdir/$cf_dir/headers; then
3675                 $AWK -f $srcdir/mk-hdr.awk \
3676                         subset="$LIB_SUBSETS" \
3677                         compat="$WITH_CURSES_H" \
3678                         $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3679         fi
3680
3681         if test -f $srcdir/$cf_dir/modules; then
3682                 if test "$cf_dir" != "c++" ; then
3683                         cat >>$cf_dir/Makefile <<"CF_EOF"
3684 depend : ${AUTO_SRC}
3685         makedepend -- ${CPPFLAGS} -- ${C_SRC}
3686
3687 # DO NOT DELETE THIS LINE -- make depend depends on it.
3688 CF_EOF
3689                 fi
3690         fi
3691 done
3692 AC_SUBST(Libs_To_Make)
3693 ])dnl
3694 dnl ---------------------------------------------------------------------------
3695 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3696 dnl -------------
3697 dnl Find the and soname for the given shared library.  Set the cache variable
3698 dnl cf_cv_$3_soname to this, unless it is not found.  Then set the cache
3699 dnl variable to "unknown".
3700 dnl
3701 dnl $1 = headers
3702 dnl $2 = code
3703 dnl $3 = library name
3704 AC_DEFUN([CF_LIB_SONAME],
3705 [
3706 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3707
3708 cf_cv_$3_soname=unknown
3709 if test "$cross_compiling" != yes ; then
3710 cat >conftest.$ac_ext <<CF_EOF
3711 $1
3712 int main()
3713 {
3714 $2
3715         ${cf_cv_main_return:-return}(0);
3716 }
3717 CF_EOF
3718 cf_save_LIBS="$LIBS"
3719         CF_ADD_LIB($3)
3720         if AC_TRY_EVAL(ac_compile) ; then
3721                 if AC_TRY_EVAL(ac_link) ; then
3722               &n