1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2017,2018 Free Software Foundation, Inc. *
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: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
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. *
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 *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.134 2018/07/21 23:14:07 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
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.
38 dnl See https://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
113 cf_new_extra_cppflags=
115 for cf_add_cflags in $1
117 case $cf_fix_cppflags in
119 case $cf_add_cflags in
120 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
121 case $cf_add_cflags in
123 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
126 && test -z "${cf_tst_cflags}" \
127 && cf_fix_cppflags=yes
129 if test $cf_fix_cppflags = yes ; then
130 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
142 case $cf_add_cflags in
144 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
148 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
153 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
158 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
160 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
246 dnl ---------------------------------------------------------------------------
247 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
249 dnl Add a library, used to enforce consistency.
251 dnl $1 = library to add, without the "-l"
252 dnl $2 = variable to update (default $LIBS)
253 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
254 dnl ---------------------------------------------------------------------------
255 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
257 dnl Adds to the library-path
259 dnl Some machines have trouble with multiple -L options.
261 dnl $1 is the (list of) directory(s) to add
262 dnl $2 is the optional name of the variable to update (default LDFLAGS)
264 AC_DEFUN([CF_ADD_LIBDIR],
266 if test -n "$1" ; then
267 for cf_add_libdir in $1
269 if test $cf_add_libdir = /usr/lib ; then
271 elif test -d $cf_add_libdir
274 if test -n "$LDFLAGS$LIBS" ; then
275 # a loop is needed to ensure we can add subdirs of existing dirs
276 for cf_test_libdir in $LDFLAGS $LIBS ; do
277 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
278 cf_have_libdir=yes; break
282 if test "$cf_have_libdir" = no ; then
283 CF_VERBOSE(adding $cf_add_libdir to library-path)
284 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
290 dnl ---------------------------------------------------------------------------
291 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
293 dnl Add one or more libraries, used to enforce consistency. Libraries are
294 dnl prepended to an existing list, since their dependencies are assumed to
295 dnl already exist in the list.
297 dnl $1 = libraries to add, with the "-l", etc.
298 dnl $2 = variable to update (default $LIBS)
299 AC_DEFUN([CF_ADD_LIBS],[
301 # Filter out duplicates - this happens with badly-designed ".pc" files...
302 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
304 for cf_add_2lib in $cf_add_libs
306 if test "x$cf_add_1lib" = "x$cf_add_2lib"
312 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
314 ifelse($2,,LIBS,[$2])="$cf_add_libs"
316 dnl ---------------------------------------------------------------------------
317 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
318 dnl ------------------
319 dnl Append to a search-list for a nonstandard header/lib-file
320 dnl $1 = the variable to return as result
321 dnl $2 = the package name
322 dnl $3 = the subdirectory, e.g., bin, include or lib
323 dnl $4 = the directory under which we will test for subdirectories
324 dnl $5 = a directory that we do not want $4 to match
325 AC_DEFUN([CF_ADD_SUBDIR_PATH],
327 test "x$4" != "x$5" && \
329 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
330 test -n "$verbose" && echo " ... testing for $3-directories under $4"
331 test -d $4/$3 && $1="[$]$1 $4/$3"
332 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
333 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
334 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
335 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
338 dnl ---------------------------------------------------------------------------
339 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
341 dnl use this macro for appending text without introducing an extra blank at
343 define([CF_APPEND_TEXT],
345 test -n "[$]$1" && $1="[$]$1 "
348 dnl ---------------------------------------------------------------------------
349 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
351 dnl Allow user to disable a normally-on option.
352 AC_DEFUN([CF_ARG_DISABLE],
353 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
354 dnl ---------------------------------------------------------------------------
355 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
357 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
363 dnl $3 = action to perform if option is not default
364 dnl $4 = action if perform if option is default
365 dnl $5 = default option value (either 'yes' or 'no')
366 AC_DEFUN([CF_ARG_OPTION],
367 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
368 if test "$enableval" != "$5" ; then
370 ,[ $3]) ifelse([$4],,,[
373 fi],[enableval=$5 ifelse([$4],,,[
377 dnl ---------------------------------------------------------------------------
378 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
380 dnl Check for suitable "ar" (archiver) options for updating an archive.
382 dnl In particular, handle some obsolete cases where the "-" might be omitted,
383 dnl as well as a workaround for breakage of make's archive rules by the GNU
384 dnl binutils "ar" program.
385 AC_DEFUN([CF_AR_FLAGS],[
386 AC_REQUIRE([CF_PROG_AR])
388 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
389 cf_cv_ar_flags=unknown
390 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
393 # check if $ARFLAGS already contains this choice
394 if test "x$ARFLAGS" != "x" ; then
395 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
396 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
402 rm -f conftest.$ac_cv_objext
405 cat >conftest.$ac_ext <<EOF
406 #line __oline__ "configure"
407 int testdata[[3]] = { 123, 456, 789 };
409 if AC_TRY_EVAL(ac_compile) ; then
410 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
411 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
412 if test -f conftest.a ; then
413 cf_cv_ar_flags=$cf_ar_flags
417 CF_VERBOSE(cannot compile test-program)
421 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
424 if test -n "$ARFLAGS" ; then
425 if test -n "$cf_cv_ar_flags" ; then
426 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
429 ARFLAGS=$cf_cv_ar_flags
434 dnl ---------------------------------------------------------------------------
435 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
437 dnl If we're cross-compiling, allow the user to override the tools and their
438 dnl options. The configure script is oriented toward identifying the host
439 dnl compiler, etc., but we need a build compiler to generate parts of the
442 dnl $1 = default for $CPPFLAGS
443 dnl $2 = default for $LIBS
444 AC_DEFUN([CF_BUILD_CC],[
445 CF_ACVERSION_CHECK(2.52,,
446 [AC_REQUIRE([CF_PROG_EXT])])
447 if test "$cross_compiling" = yes ; then
449 # defaults that we might want to override
450 : ${BUILD_CFLAGS:=''}
451 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
452 : ${BUILD_LDFLAGS:=''}
453 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
454 : ${BUILD_EXEEXT:='$x'}
455 : ${BUILD_OBJEXT:='o'}
457 AC_ARG_WITH(build-cc,
458 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
459 [BUILD_CC="$withval"],
460 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
461 AC_MSG_CHECKING(for native build C compiler)
462 AC_MSG_RESULT($BUILD_CC)
464 AC_MSG_CHECKING(for native build C preprocessor)
465 AC_ARG_WITH(build-cpp,
466 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
467 [BUILD_CPP="$withval"],
468 [BUILD_CPP='${BUILD_CC} -E'])
469 AC_MSG_RESULT($BUILD_CPP)
471 AC_MSG_CHECKING(for native build C flags)
472 AC_ARG_WITH(build-cflags,
473 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
474 [BUILD_CFLAGS="$withval"])
475 AC_MSG_RESULT($BUILD_CFLAGS)
477 AC_MSG_CHECKING(for native build C preprocessor-flags)
478 AC_ARG_WITH(build-cppflags,
479 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
480 [BUILD_CPPFLAGS="$withval"])
481 AC_MSG_RESULT($BUILD_CPPFLAGS)
483 AC_MSG_CHECKING(for native build linker-flags)
484 AC_ARG_WITH(build-ldflags,
485 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
486 [BUILD_LDFLAGS="$withval"])
487 AC_MSG_RESULT($BUILD_LDFLAGS)
489 AC_MSG_CHECKING(for native build linker-libraries)
490 AC_ARG_WITH(build-libs,
491 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
492 [BUILD_LIBS="$withval"])
493 AC_MSG_RESULT($BUILD_LIBS)
495 # this assumes we're on Unix.
499 : ${BUILD_CC:='${CC}'}
501 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
502 AC_MSG_ERROR([Cross-build requires two compilers.
503 Use --with-build-cc to specify the native compiler.])
507 : ${BUILD_CC:='${CC}'}
508 : ${BUILD_CPP:='${CPP}'}
509 : ${BUILD_CFLAGS:='${CFLAGS}'}
510 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
511 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
512 : ${BUILD_LIBS:='${LIBS}'}
513 : ${BUILD_EXEEXT:='$x'}
514 : ${BUILD_OBJEXT:='o'}
519 AC_SUBST(BUILD_CFLAGS)
520 AC_SUBST(BUILD_CPPFLAGS)
521 AC_SUBST(BUILD_LDFLAGS)
523 AC_SUBST(BUILD_EXEEXT)
524 AC_SUBST(BUILD_OBJEXT)
526 dnl ---------------------------------------------------------------------------
527 dnl CF_CC_ENV_FLAGS version: 8 updated: 2017/09/23 08:50:24
529 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
530 dnl into CC. This will not help with broken scripts that wrap the compiler
531 dnl with options, but eliminates a more common category of user confusion.
533 dnl In particular, it addresses the problem of being able to run the C
534 dnl preprocessor in a consistent manner.
536 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
537 dnl the nuisance of having inconsistent settings for compiler and preprocessor
538 dnl outweighs that limitation.
539 AC_DEFUN([CF_CC_ENV_FLAGS],
541 # This should have been defined by AC_PROG_CC
544 AC_MSG_CHECKING(\$CC variable)
547 AC_MSG_RESULT(broken)
548 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
550 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
551 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
553 for cf_arg in $cf_flags
557 CF_ADD_CFLAGS($cf_arg)
564 CF_VERBOSE(resulting CC: '$CC')
565 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
566 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
573 dnl ---------------------------------------------------------------------------
574 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
576 dnl Determine the default configuration into which we'll install ncurses. This
577 dnl can be overridden by the user's command-line options. There's two items to
579 dnl 1. the prefix (e.g., /usr)
580 dnl 2. the header files (e.g., /usr/include/ncurses)
581 dnl We'll look for a previous installation of ncurses and use the same defaults.
583 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
584 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
585 dnl programs from a vendor's.
586 AC_DEFUN([CF_CFG_DEFAULTS],
588 AC_MSG_CHECKING(for prefix)
589 if test "x$prefix" = "xNONE" ; then
590 case "$cf_cv_system_name" in
591 # non-vendor systems don't have a conflict
592 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
595 (*) prefix=$ac_default_prefix
599 AC_MSG_RESULT($prefix)
601 if test "x$prefix" = "xNONE" ; then
602 AC_MSG_CHECKING(for default include-directory)
603 test -n "$verbose" && echo 1>&AC_FD_MSG
606 $includedir/ncurses \
608 $prefix/include/ncurses \
610 /usr/local/include/ncurses \
614 cf_dir=`eval echo $cf_symbol`
615 if test -f $cf_dir/curses.h ; then
616 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
617 includedir="$cf_symbol"
618 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
622 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
624 AC_MSG_RESULT($includedir)
627 dnl ---------------------------------------------------------------------------
628 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
630 dnl Check if we're accidentally using a cache from a different machine.
631 dnl Derive the system name, as a check for reusing the autoconf cache.
633 dnl If we've packaged config.guess and config.sub, run that (since it does a
634 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
635 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
636 dnl which is useful in cross-compiles.
638 dnl Note: we would use $ac_config_sub, but that is one of the places where
639 dnl autoconf 2.5x broke compatibility with autoconf 2.13
640 AC_DEFUN([CF_CHECK_CACHE],
642 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
643 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
644 system_name="$host_os"
646 system_name="`(uname -s -r) 2>/dev/null`"
647 if test -z "$system_name" ; then
648 system_name="`(hostname) 2>/dev/null`"
651 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
652 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
654 test -z "$system_name" && system_name="$cf_cv_system_name"
655 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
657 if test ".$system_name" != ".$cf_cv_system_name" ; then
658 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
659 AC_MSG_ERROR("Please remove config.cache and try again.")
662 dnl ---------------------------------------------------------------------------
663 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
664 dnl -----------------
665 dnl Check if the given compiler is really clang. clang's C driver defines
666 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
667 dnl not ignore some gcc options.
669 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
670 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
671 dnl the wrappers for gcc and g++ warnings.
673 dnl $1 = GCC (default) or GXX
674 dnl $2 = CLANG_COMPILER (default)
675 dnl $3 = CFLAGS (default) or CXXFLAGS
676 AC_DEFUN([CF_CLANG_COMPILER],[
677 ifelse([$2],,CLANG_COMPILER,[$2])=no
679 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
680 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
681 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
682 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
688 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
689 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
691 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
692 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
695 dnl ---------------------------------------------------------------------------
696 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
698 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
699 dnl variations of ncurses' installs.
701 dnl $1 = ncurses when looking for ncurses, or is empty
702 AC_DEFUN([CF_CURSES_HEADER],[
703 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
704 cf_cv_ncurses_header=none
706 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
707 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
709 AC_TRY_COMPILE([#include <${cf_header}>],
710 [initscr(); tgoto("?", 0,0)],
711 [cf_cv_ncurses_header=$cf_header; break],[])
715 if test "$cf_cv_ncurses_header" = none ; then
716 AC_MSG_ERROR(No curses header-files found)
719 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
720 AC_CHECK_HEADERS($cf_cv_ncurses_header)
722 dnl ---------------------------------------------------------------------------
723 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
725 dnl "dirname" is not portable, so we fake it with a shell script.
726 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
727 dnl ---------------------------------------------------------------------------
728 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
730 dnl You can always use "make -n" to see the actual options, but it's hard to
731 dnl pick out/analyze warning messages when the compile-line is long.
734 dnl ECHO_LT - symbol to control if libtool is verbose
735 dnl ECHO_LD - symbol to prefix "cc -o" lines
736 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
737 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
738 dnl ECHO_CC - symbol to put before any "cc" line
740 AC_DEFUN([CF_DISABLE_ECHO],[
741 AC_MSG_CHECKING(if you want to see long compiling messages)
743 [ --disable-echo do not display "compiling" commands],
746 ECHO_LD='@echo linking [$]@;'
747 RULE_CC='@echo compiling [$]<'
748 SHOW_CC='@echo compiling [$]@'
757 AC_MSG_RESULT($enableval)
764 dnl ---------------------------------------------------------------------------
765 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
766 dnl ------------------------
767 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
768 AC_MSG_CHECKING(if we want to use GNAT projects)
769 CF_ARG_DISABLE(gnat-projects,
770 [ --disable-gnat-projects test: disable GNAT projects even if usable],
771 [enable_gnat_projects=no],
772 [enable_gnat_projects=yes])
773 AC_MSG_RESULT($enable_gnat_projects)
775 dnl ---------------------------------------------------------------------------
776 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
778 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
779 dnl prefer a standard location, and use -L options only if we do not find the
780 dnl library in the standard library location(s).
781 dnl $1 = library name
782 dnl $2 = library class, usually the same as library name
784 dnl $4 = code fragment to compile/link
785 dnl $5 = corresponding function-name
786 dnl $6 = flag, nonnull if failure should not cause an error-exit
788 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
789 dnl to use a -L option.
790 AC_DEFUN([CF_FIND_LIBRARY],
792 eval 'cf_cv_have_lib_'$1'=no'
795 eval 'cf_cv_have_lib_'$1'=yes',[
797 AC_MSG_CHECKING(for $5 in -l$1)
799 AC_TRY_LINK([$3],[$4],
801 eval 'cf_cv_have_lib_'$1'=yes'
804 CF_LIBRARY_PATH(cf_search,$2)
805 for cf_libdir in $cf_search
807 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
808 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
809 AC_TRY_LINK([$3],[$4],
811 eval 'cf_cv_have_lib_'$1'=yes'
814 LIBS="$cf_save_LIBS"])
818 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
820 if test $cf_found_library = no ; then
821 AC_MSG_ERROR(Cannot link $1 library)
825 dnl ---------------------------------------------------------------------------
826 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
828 dnl Find a library (specifically the linkage used in the code fragment),
829 dnl searching for it if it is not already in the library path.
830 dnl See also CF_ADD_SEARCHPATH.
832 dnl Parameters (4-on are optional):
833 dnl $1 = headers for library entrypoint
834 dnl $2 = code fragment for library entrypoint
835 dnl $3 = the library name without the "-l" option or ".so" suffix.
836 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
837 dnl $5 = action to perform if not successful
838 dnl $6 = module name, if not the same as the library name
839 dnl $7 = extra libraries
841 dnl Sets these variables:
842 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
843 dnl $cf_cv_header_path_$3 - include-directory if needed
844 dnl $cf_cv_library_path_$3 - library-directory if needed
845 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
846 AC_DEFUN([CF_FIND_LINKAGE],[
848 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
849 # will be set on completion of the AC_TRY_LINK below.
850 cf_cv_header_path_$3=
851 cf_cv_library_path_$3=
853 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
857 AC_TRY_LINK([$1],[$2],[
858 cf_cv_find_linkage_$3=yes
859 cf_cv_header_path_$3=/usr/include
860 cf_cv_library_path_$3=/usr/lib
863 LIBS="-l$3 $7 $cf_save_LIBS"
865 AC_TRY_LINK([$1],[$2],[
866 cf_cv_find_linkage_$3=yes
867 cf_cv_header_path_$3=/usr/include
868 cf_cv_library_path_$3=/usr/lib
869 cf_cv_library_file_$3="-l$3"
871 cf_cv_find_linkage_$3=no
874 CF_VERBOSE(find linkage for $3 library)
875 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
877 cf_save_CPPFLAGS="$CPPFLAGS"
878 cf_test_CPPFLAGS="$CPPFLAGS"
880 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
881 for cf_cv_header_path_$3 in $cf_search
883 if test -d $cf_cv_header_path_$3 ; then
884 CF_VERBOSE(... testing $cf_cv_header_path_$3)
885 CPPFLAGS="$cf_save_CPPFLAGS"
886 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
887 AC_TRY_COMPILE([$1],[$2],[
888 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
889 cf_cv_find_linkage_$3=maybe
890 cf_test_CPPFLAGS="$CPPFLAGS"
892 CPPFLAGS="$cf_save_CPPFLAGS"
897 if test "$cf_cv_find_linkage_$3" = maybe ; then
899 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
902 cf_save_LDFLAGS="$LDFLAGS"
905 CPPFLAGS="$cf_test_CPPFLAGS"
906 LIBS="-l$3 $7 $cf_save_LIBS"
907 AC_TRY_LINK([$1],[$2],[
908 CF_VERBOSE(... found $3 library in system)
909 cf_cv_find_linkage_$3=yes])
910 CPPFLAGS="$cf_save_CPPFLAGS"
914 if test "$cf_cv_find_linkage_$3" != yes ; then
915 CF_LIBRARY_PATH(cf_search,$3)
916 for cf_cv_library_path_$3 in $cf_search
918 if test -d $cf_cv_library_path_$3 ; then
919 CF_VERBOSE(... testing $cf_cv_library_path_$3)
920 CPPFLAGS="$cf_test_CPPFLAGS"
921 LIBS="-l$3 $7 $cf_save_LIBS"
922 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
923 AC_TRY_LINK([$1],[$2],[
924 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
925 cf_cv_find_linkage_$3=yes
926 cf_cv_library_file_$3="-l$3"
928 CPPFLAGS="$cf_save_CPPFLAGS"
930 LDFLAGS="$cf_save_LDFLAGS"
934 CPPFLAGS="$cf_save_CPPFLAGS"
935 LDFLAGS="$cf_save_LDFLAGS"
939 cf_cv_find_linkage_$3=no
946 if test "$cf_cv_find_linkage_$3" = yes ; then
948 CF_ADD_INCDIR($cf_cv_header_path_$3)
949 CF_ADD_LIBDIR($cf_cv_library_path_$3)
953 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
956 dnl ---------------------------------------------------------------------------
957 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
958 dnl -----------------
959 dnl make ADAFLAGS consistent with CFLAGS
960 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
961 AC_MSG_CHECKING(optimization options for ADAFLAGS)
969 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
970 CF_ADD_ADAFLAGS($cf_O_flag)
973 AC_MSG_RESULT($ADAFLAGS)
975 dnl ---------------------------------------------------------------------------
976 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
977 dnl -----------------
978 dnl Test for availability of useful gcc __attribute__ directives to quiet
979 dnl compiler warnings. Though useful, not all are supported -- and contrary
980 dnl to documentation, unrecognized directives cause older compilers to barf.
981 AC_DEFUN([CF_GCC_ATTRIBUTES],
985 cat > conftest.i <<EOF
993 #define GCC_NORETURN /* nothing */
996 #define GCC_UNUSED /* nothing */
1001 AC_CHECKING([for $CC __attribute__ directives])
1002 cat > conftest.$ac_ext <<EOF
1003 #line __oline__ "${as_me:-configure}"
1004 #include "confdefs.h"
1005 #include "conftest.h"
1006 #include "conftest.i"
1008 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1010 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1013 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1015 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1017 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1018 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1019 extern void foo(void) GCC_NORETURN;
1020 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1022 cf_printf_attribute=no
1023 cf_scanf_attribute=no
1024 for cf_attribute in scanf printf unused noreturn
1026 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1027 cf_directive="__attribute__(($cf_attribute))"
1028 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1030 case $cf_attribute in
1032 cf_printf_attribute=yes
1033 cat >conftest.h <<EOF
1034 #define GCC_$cf_ATTRIBUTE 1
1038 cf_scanf_attribute=yes
1039 cat >conftest.h <<EOF
1040 #define GCC_$cf_ATTRIBUTE 1
1044 cat >conftest.h <<EOF
1045 #define GCC_$cf_ATTRIBUTE $cf_directive
1050 if AC_TRY_EVAL(ac_compile); then
1051 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1052 cat conftest.h >>confdefs.h
1053 case $cf_attribute in
1055 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1058 cf_value='/* nothing */'
1059 if test "$cf_printf_attribute" != no ; then
1060 cf_value='__attribute__((format(printf,fmt,var)))'
1061 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1063 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1066 cf_value='/* nothing */'
1067 if test "$cf_scanf_attribute" != no ; then
1068 cf_value='__attribute__((format(scanf,fmt,var)))'
1069 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1071 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1074 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1080 fgrep define conftest.i >>confdefs.h
1085 dnl ---------------------------------------------------------------------------
1086 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1088 dnl Find version of gcc
1089 AC_DEFUN([CF_GCC_VERSION],[
1090 AC_REQUIRE([AC_PROG_CC])
1092 if test "$GCC" = yes ; then
1093 AC_MSG_CHECKING(version of $CC)
1094 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1095 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1096 AC_MSG_RESULT($GCC_VERSION)
1099 dnl ---------------------------------------------------------------------------
1100 dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
1102 dnl Check if the compiler supports useful warning options. There's a few that
1103 dnl we don't use, simply because they're too noisy:
1105 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1106 dnl -Wredundant-decls (system headers make this too noisy)
1107 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1108 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1109 dnl is enabled for ncurses using "--enable-const".
1113 dnl $1 is an optional list of gcc warning flags that a particular
1114 dnl application might want to use, e.g., "no-unused" for
1117 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1119 AC_DEFUN([CF_GCC_WARNINGS],
1121 AC_REQUIRE([CF_GCC_VERSION])
1122 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1123 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1125 cat > conftest.$ac_ext <<EOF
1126 #line __oline__ "${as_me:-configure}"
1127 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1130 if test "$INTEL_COMPILER" = yes
1132 # The "-wdXXX" options suppress warnings:
1133 # remark #1419: external declaration in primary source file
1134 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1135 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1136 # remark #193: zero used for undefined preprocessing identifier
1137 # remark #593: variable "curs_sb_left_arrow" was set but never used
1138 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1139 # remark #869: parameter "tw" was never referenced
1140 # remark #981: operands are evaluated in unspecified order
1141 # warning #279: controlling expression is constant
1143 AC_CHECKING([for $CC warning options])
1144 cf_save_CFLAGS="$CFLAGS"
1145 EXTRA_CFLAGS="-Wall"
1157 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1158 if AC_TRY_EVAL(ac_compile); then
1159 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1160 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1163 CFLAGS="$cf_save_CFLAGS"
1165 elif test "$GCC" = yes
1167 AC_CHECKING([for $CC warning options])
1168 cf_save_CFLAGS="$CFLAGS"
1171 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1172 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1173 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1174 for cf_opt in W Wall \
1175 Wbad-function-cast \
1178 Wdeclaration-after-statement \
1181 Wmissing-declarations \
1182 Wmissing-prototypes \
1186 Wstrict-prototypes \
1187 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1189 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1190 if AC_TRY_EVAL(ac_compile); then
1191 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1194 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1197 case $GCC_VERSION in
1199 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1204 case $GCC_VERSION in
1206 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1211 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1214 CFLAGS="$cf_save_CFLAGS"
1218 AC_SUBST(EXTRA_CFLAGS)
1220 dnl ---------------------------------------------------------------------------
1221 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1222 dnl -----------------
1223 AC_DEFUN([CF_GNATPREP_OPT_T],[
1224 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1225 cf_cv_gnatprep_opt_t=no
1226 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1228 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1229 AC_SUBST(GNATPREP_OPTS)
1231 dnl ---------------------------------------------------------------------------
1232 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1233 dnl ----------------
1234 AC_DEFUN([CF_GNAT_GENERICS],
1236 AC_REQUIRE([CF_GNAT_VERSION])
1238 AC_MSG_CHECKING(if GNAT supports generics)
1239 case $cf_gnat_version in
1240 (3.[[1-9]]*|[[4-9]].*)
1241 cf_gnat_generics=yes
1247 AC_MSG_RESULT($cf_gnat_generics)
1249 if test "$cf_gnat_generics" = yes
1251 cf_compile_generics=generics
1252 cf_generic_objects="\${GENOBJS}"
1254 cf_compile_generics=
1258 AC_SUBST(cf_compile_generics)
1259 AC_SUBST(cf_generic_objects)
1261 dnl ---------------------------------------------------------------------------
1262 dnl CF_GNAT_PROJECTS version: 9 updated: 2018/01/14 15:46:09
1263 dnl ----------------
1264 dnl GNAT projects are configured with ".gpr" project files.
1265 dnl GNAT libraries are a further development, using the project feature.
1266 AC_DEFUN([CF_GNAT_PROJECTS],
1268 AC_REQUIRE([CF_GNAT_VERSION])
1269 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1271 cf_gnat_libraries=no
1274 if test "$enable_gnat_projects" != no ; then
1275 AC_MSG_CHECKING(if GNAT supports project files)
1276 case $cf_gnat_version in
1280 case $cf_cv_system_name in
1284 rm -rf conftest* *~conftest*
1285 if mkdir conftest.src conftest.bin conftest.lib
1288 rm -rf conftest* *~conftest*
1289 cat >>library.gpr <<CF_EOF
1291 Kind := External ("LIB_KIND");
1292 for Library_Name use "ConfTest";
1293 for Object_Dir use ".";
1294 for Library_ALI_Dir use External("LIBRARY_DIR");
1295 for Library_Version use External ("SONAME");
1296 for Library_Kind use Kind;
1297 for Library_Dir use External("BUILD_DIR");
1298 Source_Dir := External ("SOURCE_DIR");
1299 for Source_Dirs use (Source_Dir);
1302 cat >>confpackage.ads <<CF_EOF
1303 package ConfPackage is
1307 cat >>confpackage.adb <<CF_EOF
1309 package body ConfPackage is
1310 procedure conftest is
1312 Text_IO.Put ("Hello World");
1317 if ( $cf_ada_make $ADAFLAGS \
1319 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1320 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1321 -XSOURCE_DIR=`pwd` \
1322 -XSONAME=libConfTest.so.1 \
1323 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1324 cf_gnat_projects=yes
1328 if test -f conftest.lib/confpackage.ali
1330 cf_gnat_libraries=yes
1332 rm -rf conftest* *~conftest*
1337 AC_MSG_RESULT($cf_gnat_projects)
1338 fi # enable_gnat_projects
1340 if test $cf_gnat_projects = yes
1342 AC_MSG_CHECKING(if GNAT supports libraries)
1343 AC_MSG_RESULT($cf_gnat_libraries)
1346 if test "$cf_gnat_projects" = yes
1348 USE_OLD_MAKERULES="#"
1349 USE_GNAT_PROJECTS=""
1351 USE_OLD_MAKERULES=""
1352 USE_GNAT_PROJECTS="#"
1355 if test "$cf_gnat_libraries" = yes
1357 USE_GNAT_LIBRARIES=""
1359 USE_GNAT_LIBRARIES="#"
1362 AC_SUBST(USE_OLD_MAKERULES)
1363 AC_SUBST(USE_GNAT_PROJECTS)
1364 AC_SUBST(USE_GNAT_LIBRARIES)
1366 dnl ---------------------------------------------------------------------------
1367 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1369 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1370 dnl is noted that gnat may compile a tasking unit even for configurations which
1371 dnl fail at runtime.
1372 AC_DEFUN([CF_GNAT_SIGINT],[
1373 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1374 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1378 pragma Warnings (Off); -- the next pragma exists since 3.11p
1379 pragma Unreserve_All_Interrupts;
1380 pragma Warnings (On);
1382 protected Process is
1384 function Continue return Boolean;
1385 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1387 Done : Boolean := False;
1391 [package body ConfTest is
1392 protected body Process is
1397 function Continue return Boolean is
1403 [cf_cv_gnat_sigint=yes],
1404 [cf_cv_gnat_sigint=no])])
1406 if test $cf_cv_gnat_sigint = yes ; then
1411 AC_SUBST(USE_GNAT_SIGINT)
1413 dnl ---------------------------------------------------------------------------
1414 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1415 dnl ----------------
1416 dnl Verify that a test program compiles/links with GNAT.
1417 dnl $cf_ada_make is set to the program that compiles/links
1418 dnl $ADAFLAGS may be set to the GNAT flags.
1420 dnl $1 is the text of the spec
1421 dnl $2 is the text of the body
1422 dnl $3 is the shell command to execute if successful
1423 dnl $4 is the shell command to execute if not successful
1424 AC_DEFUN([CF_GNAT_TRY_LINK],
1426 rm -rf conftest* *~conftest*
1427 cat >>conftest.ads <<CF_EOF
1430 cat >>conftest.adb <<CF_EOF
1433 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1434 ifelse($3,, :,[ $3])
1438 rm -rf conftest* *~conftest*
1440 dnl ---------------------------------------------------------------------------
1441 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1443 dnl Verify that a test program compiles and runs with GNAT
1444 dnl $cf_ada_make is set to the program that compiles/links
1445 dnl $ADAFLAGS may be set to the GNAT flags.
1447 dnl $1 is the text of the spec
1448 dnl $2 is the text of the body
1449 dnl $3 is the shell command to execute if successful
1450 dnl $4 is the shell command to execute if not successful
1451 AC_DEFUN([CF_GNAT_TRY_RUN],
1453 rm -rf conftest* *~conftest*
1454 cat >>conftest.ads <<CF_EOF
1457 cat >>conftest.adb <<CF_EOF
1460 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1461 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1462 ifelse($3,, :,[ $3])
1469 rm -rf conftest* *~conftest*
1471 dnl ---------------------------------------------------------------------------
1472 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1474 dnl Verify version of GNAT.
1475 AC_DEFUN([CF_GNAT_VERSION],
1477 AC_MSG_CHECKING(for gnat version)
1478 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1479 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1480 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1481 AC_MSG_RESULT($cf_gnat_version)
1483 case $cf_gnat_version in
1484 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1485 cf_cv_prog_gnat_correct=yes
1488 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1489 cf_cv_prog_gnat_correct=no
1493 dnl ---------------------------------------------------------------------------
1494 dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
1496 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1497 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1498 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1499 dnl since it is interwoven with GNU extensions.
1501 dnl Well, yes we could work around it...
1504 dnl $1 is the nominal value for _XOPEN_SOURCE
1505 AC_DEFUN([CF_GNU_SOURCE],
1507 cf_gnu_xopen_source=ifelse($1,,500,$1)
1509 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1510 AC_TRY_COMPILE([#include <sys/types.h>],[
1511 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1514 # error not GNU C library
1516 [cf_cv_gnu_library=yes],
1517 [cf_cv_gnu_library=no])
1520 if test x$cf_cv_gnu_library = xyes; then
1522 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1523 # was changed to help a little...
1524 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1526 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1527 AC_TRY_COMPILE([#include <sys/types.h>],[
1528 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1531 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1533 [cf_cv_gnu_library_219=yes],
1534 [cf_cv_gnu_library_219=no])
1538 if test "x$cf_cv_gnu_library_219" = xyes; then
1540 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1541 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1544 #include <sys/types.h>
1546 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1549 # error GNU C library is too old
1551 [cf_cv_gnu_dftsrc_219=yes],
1552 [cf_cv_gnu_dftsrc_219=no])
1554 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1556 cf_cv_gnu_dftsrc_219=maybe
1559 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1561 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1562 AC_TRY_COMPILE([#include <sys/types.h>],[
1563 #ifndef _XOPEN_SOURCE
1564 #error expected _XOPEN_SOURCE to be defined
1566 [cf_cv_gnu_source=no],
1567 [cf_save="$CPPFLAGS"
1568 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1569 AC_TRY_COMPILE([#include <sys/types.h>],[
1570 #ifdef _XOPEN_SOURCE
1571 #error expected _XOPEN_SOURCE to be undefined
1573 [cf_cv_gnu_source=no],
1574 [cf_cv_gnu_source=yes])
1579 if test "$cf_cv_gnu_source" = yes
1581 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1582 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1583 AC_TRY_COMPILE([#include <sys/types.h>],[
1584 #ifdef _DEFAULT_SOURCE
1585 #error expected _DEFAULT_SOURCE to be undefined
1587 [cf_cv_default_source=no],
1588 [cf_cv_default_source=yes])
1590 if test "$cf_cv_default_source" = yes
1592 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1599 dnl ---------------------------------------------------------------------------
1600 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1602 dnl Construct a search-list of directories for a nonstandard header-file
1605 dnl $1 = the variable to return as result
1606 dnl $2 = the package name
1607 AC_DEFUN([CF_HEADER_PATH],
1611 # collect the current set of include-directories from compiler flags
1612 cf_header_path_list=""
1613 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1614 for cf_header_path in $CPPFLAGS $CFLAGS
1616 case $cf_header_path in
1618 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1619 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1620 cf_header_path_list="$cf_header_path_list [$]$1"
1626 # add the variations for the package we are looking for
1627 CF_SUBDIR_PATH($1,$2,include)
1629 test "$includedir" != NONE && \
1630 test "$includedir" != "/usr/include" && \
1631 test -d "$includedir" && {
1632 test -d $includedir && $1="[$]$1 $includedir"
1633 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1636 test "$oldincludedir" != NONE && \
1637 test "$oldincludedir" != "/usr/include" && \
1638 test -d "$oldincludedir" && {
1639 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1640 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1643 $1="[$]$1 $cf_header_path_list"
1645 dnl ---------------------------------------------------------------------------
1646 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1648 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1649 AC_DEFUN([CF_HELP_MESSAGE],
1650 [AC_DIVERT_HELP([$1])dnl
1652 dnl ---------------------------------------------------------------------------
1653 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1655 dnl Construct the list of include-options according to whether we're building
1656 dnl in the source directory or using '--srcdir=DIR' option.
1657 AC_DEFUN([CF_INCLUDE_DIRS],
1659 if test "$srcdir" != "."; then
1660 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1662 CPPFLAGS="-I../include $CPPFLAGS"
1663 if test "$srcdir" != "."; then
1664 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1666 CPPFLAGS="-I. $CPPFLAGS"
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_INSTALL_OPTS version: 1 updated: 2014/07/21 18:19:51
1672 dnl prompt for/fill-in useful install-program options
1673 AC_DEFUN([CF_INSTALL_OPTS],
1678 dnl ---------------------------------------------------------------------------
1679 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1680 dnl ----------------
1681 dnl Almost all "install" programs default to the current user's ownership.
1682 dnl Almost - MINIX is an exception.
1683 AC_DEFUN([CF_INSTALL_OPT_O],
1685 AC_MSG_CHECKING(if install needs to be told about ownership)
1686 case `$ac_config_guess` in
1695 AC_MSG_RESULT($with_install_o)
1696 if test "x$with_install_o" = xyes
1698 INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
1703 AC_SUBST(INSTALL_OPT_O)
1705 dnl ---------------------------------------------------------------------------
1706 dnl CF_INSTALL_OPT_S version: 1 updated: 2014/07/21 18:19:51
1707 dnl ----------------
1708 dnl By default, we should strip executables which are installed, but leave the
1709 dnl ability to suppress that for unit-testing.
1710 AC_DEFUN([CF_INSTALL_OPT_S],
1712 AC_MSG_CHECKING(if you want to install stripped executables)
1713 CF_ARG_DISABLE(stripping,
1714 [ --disable-stripping do not strip installed executables],
1715 [with_stripping=no],
1716 [with_stripping=yes])
1717 AC_MSG_RESULT($with_stripping)
1719 if test "$with_stripping" = yes
1725 AC_SUBST(INSTALL_OPT_S)
1727 dnl ---------------------------------------------------------------------------
1728 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1729 dnl -----------------
1730 dnl Check if the given compiler is really the Intel compiler for Linux. It
1731 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1732 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1734 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1735 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1736 dnl the wrappers for gcc and g++ warnings.
1738 dnl $1 = GCC (default) or GXX
1739 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1740 dnl $3 = CFLAGS (default) or CXXFLAGS
1741 AC_DEFUN([CF_INTEL_COMPILER],[
1742 AC_REQUIRE([AC_CANONICAL_HOST])
1743 ifelse([$2],,INTEL_COMPILER,[$2])=no
1745 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1748 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1749 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1750 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1752 #ifdef __INTEL_COMPILER
1756 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1757 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1759 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1760 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1765 dnl ---------------------------------------------------------------------------
1766 dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
1768 dnl Add checks for large file support.
1769 AC_DEFUN([CF_LARGEFILE],[
1770 ifdef([AC_FUNC_FSEEKO],[
1772 if test "$enable_largefile" != no ; then
1775 # Normally we would collect these definitions in the config.h,
1776 # but (like _XOPEN_SOURCE), some environments rely on having these
1777 # defined before any of the system headers are included. Another
1778 # case comes up with C++, e.g., on AIX the compiler compiles the
1779 # header files by themselves before looking at the body files it is
1780 # told to compile. For ncurses, those header files do not include
1782 if test "$ac_cv_sys_large_files" != no
1784 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
1786 if test "$ac_cv_sys_largefile_source" != no
1788 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
1790 if test "$ac_cv_sys_file_offset_bits" != no
1792 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
1795 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1797 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1798 #include <sys/types.h>
1801 /* if transitional largefile support is setup, this is true */
1802 extern struct dirent64 * readdir(DIR *);
1803 struct dirent64 *x = readdir((DIR *)0);
1804 struct dirent *y = readdir((DIR *)0);
1807 [cf_cv_struct_dirent64=yes],
1808 [cf_cv_struct_dirent64=no])
1810 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1814 dnl ---------------------------------------------------------------------------
1815 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
1817 dnl For the given system and compiler, find the compiler flags to pass to the
1818 dnl loader to use the "rpath" feature.
1819 AC_DEFUN([CF_LD_RPATH_OPT],
1821 AC_REQUIRE([CF_CHECK_CACHE])
1824 AC_MSG_CHECKING(for an rpath option)
1825 case $cf_cv_system_name in
1827 if test "$GCC" = yes; then
1828 LD_RPATH_OPT="-Wl,-rpath,"
1830 LD_RPATH_OPT="-rpath "
1833 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1834 LD_RPATH_OPT="-Wl,-rpath,"
1836 (openbsd[[2-9]].*|mirbsd*)
1837 LD_RPATH_OPT="-Wl,-rpath,"
1840 LD_RPATH_OPT="-rpath "
1843 LD_RPATH_OPT="-Wl,-rpath,"
1846 LD_RPATH_OPT="-rpath "
1854 AC_MSG_RESULT($LD_RPATH_OPT)
1856 case "x$LD_RPATH_OPT" in
1858 AC_MSG_CHECKING(if we need a space after rpath option)
1859 cf_save_LIBS="$LIBS"
1860 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1861 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1862 LIBS="$cf_save_LIBS"
1863 AC_MSG_RESULT($cf_rpath_space)
1864 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1868 dnl ---------------------------------------------------------------------------
1869 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1871 dnl Construct a search-list of directories for a nonstandard library-file
1874 dnl $1 = the variable to return as result
1875 dnl $2 = the package name
1876 AC_DEFUN([CF_LIBRARY_PATH],
1879 cf_library_path_list=""
1880 if test -n "${LDFLAGS}${LIBS}" ; then
1881 for cf_library_path in $LDFLAGS $LIBS
1883 case $cf_library_path in
1885 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1886 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1887 cf_library_path_list="$cf_library_path_list [$]$1"
1893 CF_SUBDIR_PATH($1,$2,lib)
1895 $1="$cf_library_path_list [$]$1"
1897 dnl ---------------------------------------------------------------------------
1898 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1900 dnl Compute the library-prefix for the given host system
1901 dnl $1 = variable to set
1902 define([CF_LIB_PREFIX],
1904 case $cf_cv_system_name in
1906 if test "$DFT_LWR_MODEL" = libtool; then
1912 (*) LIB_PREFIX='lib'
1915 ifelse($1,,,[$1=$LIB_PREFIX])
1916 AC_SUBST(LIB_PREFIX)
1918 dnl ---------------------------------------------------------------------------
1919 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1921 dnl Compute the library file-suffix from the given model name
1923 dnl $2 = variable to set (the nominal library suffix)
1924 dnl $3 = dependency variable to set (actual filename)
1925 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1926 AC_DEFUN([CF_LIB_SUFFIX],
1942 case $cf_cv_system_name in
1947 (cygwin*|msys*|mingw*)
1978 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1980 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1981 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1984 dnl ---------------------------------------------------------------------------
1985 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1987 dnl Compute the string to append to -library from the given model name
1989 dnl $2 = variable to set
1990 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1991 AC_DEFUN([CF_LIB_TYPE],
1997 (profile) $2='_p' ;;
2000 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2002 dnl ---------------------------------------------------------------------------
2003 dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
2004 dnl ----------------
2005 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2006 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2007 dnl have to provide wrappers for global tables to ensure they're linked
2009 AC_DEFUN([CF_LINK_DATAONLY],
2011 AC_MSG_CHECKING([if data-only library module links])
2012 AC_CACHE_VAL(cf_cv_link_dataonly,[
2014 cat >conftest.$ac_ext <<EOF
2015 #line __oline__ "configure"
2016 int testdata[[3]] = { 123, 456, 789 };
2018 if AC_TRY_EVAL(ac_compile) ; then
2019 mv conftest.o data.o && \
2020 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2022 rm -f conftest.$ac_ext data.o
2023 cat >conftest.$ac_ext <<EOF
2024 #line __oline__ "configure"
2028 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2030 extern int testdata[[3]];
2031 return testdata[[0]] == 123
2032 && testdata[[1]] == 456
2033 && testdata[[2]] == 789;
2037 if AC_TRY_EVAL(ac_compile); then
2038 mv conftest.o func.o && \
2039 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2041 rm -f conftest.$ac_ext func.o
2042 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2044 LIBS="conftest.a $LIBS"
2048 extern int testfunc();
2049 ${cf_cv_main_return:-return} (!testfunc());
2052 [cf_cv_link_dataonly=yes],
2053 [cf_cv_link_dataonly=no],
2054 [cf_cv_link_dataonly=unknown])
2057 AC_MSG_RESULT($cf_cv_link_dataonly)
2059 if test "$cf_cv_link_dataonly" = no ; then
2060 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2065 dnl ---------------------------------------------------------------------------
2066 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2068 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2069 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2070 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2071 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2072 AC_DEFUN([CF_MAKEFLAGS],
2074 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2076 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2078 cat >cf_makeflags.tmp <<CF_EOF
2081 @ echo '.$cf_option'
2083 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2084 case "$cf_result" in
2086 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2087 case "$cf_result" in
2088 (.*CC=*) cf_cv_makeflags=
2090 (*) cf_cv_makeflags=$cf_option
2098 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2102 rm -f cf_makeflags.tmp
2105 AC_SUBST(cf_cv_makeflags)
2107 dnl ---------------------------------------------------------------------------
2108 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2110 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2111 dnl a monocase filesystem.
2112 AC_DEFUN([CF_MAKE_TAGS],[
2113 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2115 AC_CHECK_PROGS(CTAGS, exctags ctags)
2116 AC_CHECK_PROGS(ETAGS, exetags etags)
2118 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2120 if test "$cf_cv_mixedcase" = yes ; then
2121 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2126 if test "$MAKE_UPPER_TAGS" = yes ; then
2132 if test "$MAKE_LOWER_TAGS" = yes ; then
2141 AC_SUBST(MAKE_UPPER_TAGS)
2142 AC_SUBST(MAKE_LOWER_TAGS)
2144 dnl ---------------------------------------------------------------------------
2145 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2146 dnl ----------------------
2147 dnl Check if the file-system supports mixed-case filenames. If we're able to
2148 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2149 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2151 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2152 if test "$cross_compiling" = yes ; then
2153 case $target_alias in
2154 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2162 rm -f conftest CONFTEST
2164 if test -f CONFTEST ; then
2169 rm -f conftest CONFTEST
2172 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2174 dnl ---------------------------------------------------------------------------
2175 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2177 dnl Check for a working mkstemp. This creates two files, checks that they are
2178 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2179 AC_DEFUN([CF_MKSTEMP],[
2183 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2186 #include <sys/types.h>
2187 #ifdef HAVE_UNISTD_H
2193 #include <sys/stat.h>
2196 char *tmpl = "conftestXXXXXX";
2204 for (n = 0; n < 2; ++n) {
2205 strcpy(name[n], tmpl);
2206 if ((fd = mkstemp(name[n])) >= 0) {
2207 if (!strcmp(name[n], tmpl)
2208 || stat(name[n], &sb) != 0
2209 || (sb.st_mode & S_IFMT) != S_IFREG
2210 || (sb.st_mode & 077) != 0) {
2217 && !strcmp(name[0], name[1]))
2219 ${cf_cv_main_return:-return}(result);
2221 ],[cf_cv_func_mkstemp=yes
2222 ],[cf_cv_func_mkstemp=no
2223 ],[cf_cv_func_mkstemp=maybe])
2225 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2226 AC_CHECK_FUNC(mkstemp)
2228 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2229 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2232 dnl ---------------------------------------------------------------------------
2233 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2235 dnl Write a debug message to config.log, along with the line number in the
2236 dnl configure script.
2237 AC_DEFUN([CF_MSG_LOG],[
2238 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2240 dnl ---------------------------------------------------------------------------
2241 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2242 dnl ----------------
2243 dnl Configure an ncurses add-on, built outside the ncurses tree.
2244 AC_DEFUN([CF_NCURSES_ADDON],[
2245 AC_REQUIRE([CF_NCURSES_CONFIG])
2247 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2249 AC_MSG_CHECKING(if you want wide-character code)
2250 AC_ARG_ENABLE(widec,
2251 [ --enable-widec compile with wide-char/UTF-8 code],
2252 [with_widec=$enableval],
2254 AC_MSG_RESULT($with_widec)
2255 if test "$with_widec" = yes ; then
2257 CF_NCURSES_CONFIG(ncursesw)
2259 CF_NCURSES_CONFIG(ncurses)
2262 if test "$NCURSES_CONFIG_PKG" != none ; then
2263 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2265 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2266 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2267 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2269 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2270 if test -z "$cf_cv_abi_version"
2272 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2275 elif test "$NCURSES_CONFIG" != none ; then
2277 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2279 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2280 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2281 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2283 # ABI version is not available from headers
2284 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2288 for cf_name in MAJOR MINOR PATCH
2290 cat >conftest.$ac_ext <<CF_EOF
2291 #include <${cf_cv_ncurses_header:-curses.h}>
2292 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2294 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2296 if test -f conftest.out ; then
2297 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2298 eval NCURSES_$cf_name=\"$cf_result\"
2299 # cat conftest.$ac_ext
2304 cf_cv_abi_version=${NCURSES_MAJOR}
2308 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2310 dnl Show the computed version, for logging
2311 cf_cv_timestamp=`date`
2313 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2315 dnl We need these values in the generated headers
2316 AC_SUBST(NCURSES_MAJOR)
2317 AC_SUBST(NCURSES_MINOR)
2318 AC_SUBST(NCURSES_PATCH)
2320 dnl We need these values in the generated makefiles
2321 AC_SUBST(cf_cv_rel_version)
2322 AC_SUBST(cf_cv_abi_version)
2324 dnl FIXME - not needed for Ada95
2325 AC_SUBST(cf_cv_builtin_bool)
2326 AC_SUBST(cf_cv_header_stdbool_h)
2327 AC_SUBST(cf_cv_type_of_bool)dnl
2330 dnl ---------------------------------------------------------------------------
2331 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2332 dnl -------------------
2333 dnl Check if we can compile with ncurses' header file
2334 dnl $1 is the cache variable to set
2335 dnl $2 is the header-file to include
2336 dnl $3 is the root name (ncurses or ncursesw)
2337 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2339 ]ifelse($3,ncursesw,[
2340 #define _XOPEN_SOURCE_EXTENDED
2341 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2342 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2345 #ifdef NCURSES_VERSION
2346 ]ifelse($3,ncursesw,[
2351 printf("%s\n", NCURSES_VERSION);
2363 dnl ---------------------------------------------------------------------------
2364 dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
2365 dnl -----------------
2366 dnl Tie together the configure-script macros for ncurses, preferring these in
2368 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2369 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2370 dnl c) just plain libraries
2372 dnl $1 is the root library name (default: "ncurses")
2373 AC_DEFUN([CF_NCURSES_CONFIG],[
2374 AC_REQUIRE([CF_PKG_CONFIG])
2375 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2376 cf_have_ncuconfig=no
2378 if test "x${PKG_CONFIG:=none}" != xnone; then
2379 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2380 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2383 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2384 cf_have_ncuconfig=unknown
2386 cf_save_CPPFLAGS="$CPPFLAGS"
2387 cf_save_LIBS="$LIBS"
2389 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
2390 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2392 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2393 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2394 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2396 { char *xx = curses_version(); return (xx == 0); }],
2397 [cf_have_ncuconfig=yes],
2398 [cf_have_ncuconfig=no],
2399 [cf_have_ncuconfig=maybe])],
2400 [cf_have_ncuconfig=no])
2401 AC_MSG_RESULT($cf_have_ncuconfig)
2402 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2403 if test "$cf_have_ncuconfig" != "yes"
2405 CPPFLAGS="$cf_save_CPPFLAGS"
2406 LIBS="$cf_save_LIBS"
2407 NCURSES_CONFIG_PKG=none
2409 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2410 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2416 NCURSES_CONFIG_PKG=none
2419 NCURSES_CONFIG_PKG=none
2422 if test "x$cf_have_ncuconfig" = "xno"; then
2423 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2425 CF_ACVERSION_CHECK(2.52,
2426 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2427 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2429 if test "$NCURSES_CONFIG" != none ; then
2431 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2432 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2434 # even with config script, some packages use no-override for curses.h
2435 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2437 dnl like CF_NCURSES_CPPFLAGS
2438 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2440 dnl like CF_NCURSES_LIBS
2441 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2442 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2444 dnl like CF_NCURSES_VERSION
2445 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2449 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2450 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2457 dnl ---------------------------------------------------------------------------
2458 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2459 dnl -------------------
2460 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2461 dnl the CPPFLAGS variable so we can include its header.
2463 dnl The header files may be installed as either curses.h, or ncurses.h (would
2464 dnl be obsolete, except that some packagers prefer this name to distinguish it
2465 dnl from a "native" curses implementation). If not installed for overwrite,
2466 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2467 dnl /usr/include/ncurses), but someone may have installed overwriting the
2468 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2469 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2472 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2473 dnl is already in the include-path, don't even bother with this, since we cannot
2474 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2476 dnl The optional parameter gives the root name of the library, in case it is
2477 dnl not installed as the default curses library. That is how the
2478 dnl wide-character version of ncurses is installed.
2479 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2480 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2482 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2483 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2485 test -n "$cf_cv_curses_dir" && \
2486 test "$cf_cv_curses_dir" != "no" && { \
2487 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2490 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2491 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2492 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2493 for cf_header in $cf_header_list
2495 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2496 test "$cf_cv_ncurses_h" != no && break
2503 # some applications need this, but should check for NCURSES_VERSION
2504 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2508 dnl ---------------------------------------------------------------------------
2509 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2510 dnl -----------------
2511 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2512 dnl variations of ncurses' installs.
2514 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2515 AC_DEFUN([CF_NCURSES_HEADER],[
2517 if test "$cf_cv_ncurses_h" != no ; then
2518 cf_cv_ncurses_header=$cf_cv_ncurses_h
2521 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2522 test -n "$verbose" && echo
2523 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2524 test -n "$verbose" && echo search path $cf_search
2525 cf_save2_CPPFLAGS="$CPPFLAGS"
2526 for cf_incdir in $cf_search
2528 CF_ADD_INCDIR($cf_incdir)
2533 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2534 if test "$cf_cv_ncurses_h2" != no ; then
2535 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2536 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2539 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2541 CPPFLAGS="$cf_save2_CPPFLAGS"
2542 test "$cf_cv_ncurses_h2" != no && break
2544 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2547 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2548 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2549 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2550 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2552 CF_ADD_INCDIR($cf_1st_incdir)
2556 # Set definitions to allow ifdef'ing for ncurses.h
2558 case $cf_cv_ncurses_header in
2560 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2564 case $cf_cv_ncurses_header in
2565 (ncurses/curses.h|ncurses/ncurses.h)
2566 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2568 (ncursesw/curses.h|ncursesw/ncurses.h)
2569 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2574 dnl ---------------------------------------------------------------------------
2575 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2577 dnl Look for the ncurses library. This is a little complicated on Linux,
2578 dnl because it may be linked with the gpm (general purpose mouse) library.
2579 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2580 dnl unusable with ncurses. However, we don't want to link with gpm unless
2581 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2582 dnl and the linker will record a dependency.
2584 dnl The optional parameter gives the root name of the library, in case it is
2585 dnl not installed as the default curses library. That is how the
2586 dnl wide-character version of ncurses is installed.
2587 AC_DEFUN([CF_NCURSES_LIBS],
2588 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2590 cf_nculib_root=ifelse($1,,ncurses,$1)
2591 # This works, except for the special case where we find gpm, but
2592 # ncurses is in a nonstandard location via $LIBS, and we really want
2595 cf_ncurses_SAVE="$LIBS"
2596 AC_CHECK_LIB(gpm,Gpm_Open,
2597 [AC_CHECK_LIB(gpm,initscr,
2598 [LIBS="$cf_ncurses_SAVE"],
2599 [cf_ncurses_LIBS="-lgpm"])])
2603 # This is only necessary if you are linking against an obsolete
2604 # version of ncurses (but it should do no harm, since it's static).
2605 if test "$cf_nculib_root" = ncurses ; then
2606 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2611 CF_ADD_LIBS($cf_ncurses_LIBS)
2613 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2615 CF_ADD_LIBS(-l$cf_nculib_root)
2617 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2618 [#include <${cf_cv_ncurses_header:-curses.h}>],
2623 if test -n "$cf_ncurses_LIBS" ; then
2624 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2625 cf_ncurses_SAVE="$LIBS"
2626 for p in $cf_ncurses_LIBS ; do
2627 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2628 if test "$q" != "$LIBS" ; then
2632 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2633 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2634 [AC_MSG_RESULT(yes)],
2636 LIBS="$cf_ncurses_SAVE"])
2639 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2640 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2642 dnl ---------------------------------------------------------------------------
2643 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2644 dnl ------------------
2645 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2646 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2647 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2648 AC_DEFUN([CF_NCURSES_VERSION],
2650 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2651 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2652 cf_cv_ncurses_version=no
2656 #include <${cf_cv_ncurses_header:-curses.h}>
2660 FILE *fp = fopen("$cf_tempfile", "w");
2661 #ifdef NCURSES_VERSION
2662 # ifdef NCURSES_VERSION_PATCH
2663 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2665 fprintf(fp, "%s\n", NCURSES_VERSION);
2669 fprintf(fp, "old\n");
2674 ${cf_cv_main_return:-return}(0);
2676 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2678 # This will not work if the preprocessor splits the line after the
2679 # Autoconf token. The 'unproto' program does that.
2680 cat > conftest.$ac_ext <<EOF
2681 #include <${cf_cv_ncurses_header:-curses.h}>
2683 #ifdef NCURSES_VERSION
2684 Autoconf NCURSES_VERSION
2692 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2694 if test -f conftest.out ; then
2695 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2696 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2702 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2704 dnl ---------------------------------------------------------------------------
2705 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2707 dnl Compute the object-directory name from the given model name
2708 AC_DEFUN([CF_OBJ_SUBDIR],
2711 (libtool) $2='obj_lo' ;;
2712 (normal) $2='objects' ;;
2713 (debug) $2='obj_g' ;;
2714 (profile) $2='obj_p' ;;
2716 case $cf_cv_system_name in
2724 dnl ---------------------------------------------------------------------------
2725 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2727 dnl Provide a value for the $PATH and similar separator (or amend the value
2728 dnl as provided in autoconf 2.5x).
2729 AC_DEFUN([CF_PATHSEP],
2731 AC_MSG_CHECKING(for PATH separator)
2732 case $cf_cv_system_name in
2733 (os2*) PATH_SEPARATOR=';' ;;
2734 (*) ${PATH_SEPARATOR:=':'} ;;
2736 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2737 AC_SUBST(PATH_SEPARATOR)
2738 AC_MSG_RESULT($PATH_SEPARATOR)
2740 dnl ---------------------------------------------------------------------------
2741 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2743 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2744 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2745 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2746 dnl delayed evaluation of those symbols.
2747 AC_DEFUN([CF_PATH_SYNTAX],[
2748 if test "x$prefix" != xNONE; then
2749 cf_path_syntax="$prefix"
2751 cf_path_syntax="$ac_default_prefix"
2755 (.\[$]\(*\)*|.\'*\'*)
2759 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2761 (.\[$]{*prefix}*|.\[$]{*dir}*)
2765 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2770 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2773 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2777 dnl ---------------------------------------------------------------------------
2778 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2780 dnl Check for the package-config program, unless disabled by command-line.
2781 AC_DEFUN([CF_PKG_CONFIG],
2783 AC_MSG_CHECKING(if you want to use pkg-config)
2784 AC_ARG_WITH(pkg-config,
2785 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2786 [cf_pkg_config=$withval],
2787 [cf_pkg_config=yes])
2788 AC_MSG_RESULT($cf_pkg_config)
2790 case $cf_pkg_config in
2795 CF_ACVERSION_CHECK(2.52,
2796 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2797 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2804 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2805 if test "$PKG_CONFIG" != none ; then
2806 CF_PATH_SYNTAX(PKG_CONFIG)
2807 elif test "x$cf_pkg_config" != xno ; then
2808 AC_MSG_WARN(pkg-config is not installed)
2811 AC_SUBST(PKG_CONFIG)
2813 dnl ---------------------------------------------------------------------------
2814 dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
2815 dnl -----------------
2816 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2818 dnl POSIX.1-1990 _POSIX_SOURCE
2819 dnl POSIX.1-1990 and _POSIX_SOURCE and
2820 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2822 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2823 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2824 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2827 dnl $1 is the nominal value for _POSIX_C_SOURCE
2828 AC_DEFUN([CF_POSIX_C_SOURCE],
2830 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2832 cf_save_CFLAGS="$CFLAGS"
2833 cf_save_CPPFLAGS="$CPPFLAGS"
2835 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2836 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2838 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2839 CF_MSG_LOG(if the symbol is already defined go no further)
2840 AC_TRY_COMPILE([#include <sys/types.h>],[
2841 #ifndef _POSIX_C_SOURCE
2844 [cf_cv_posix_c_source=no],
2845 [cf_want_posix_source=no
2846 case .$cf_POSIX_C_SOURCE in
2848 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2851 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2852 cf_want_posix_source=yes
2855 cf_want_posix_source=yes
2858 if test "$cf_want_posix_source" = yes ; then
2859 AC_TRY_COMPILE([#include <sys/types.h>],[
2860 #ifdef _POSIX_SOURCE
2863 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2865 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2866 CFLAGS="$cf_trim_CFLAGS"
2867 CPPFLAGS="$cf_trim_CPPFLAGS"
2868 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
2869 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2870 AC_TRY_COMPILE([#include <sys/types.h>],[
2871 #ifndef _POSIX_C_SOURCE
2874 [cf_cv_posix_c_source=no])
2875 CFLAGS="$cf_save_CFLAGS"
2876 CPPFLAGS="$cf_save_CPPFLAGS"
2880 if test "$cf_cv_posix_c_source" != no ; then
2881 CFLAGS="$cf_trim_CFLAGS"
2882 CPPFLAGS="$cf_trim_CPPFLAGS"
2883 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2887 dnl ---------------------------------------------------------------------------
2888 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2890 dnl Check for archiver "ar".
2891 AC_DEFUN([CF_PROG_AR],[
2892 AC_CHECK_TOOL(AR, ar, ar)
2894 dnl ---------------------------------------------------------------------------
2895 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2897 dnl Check for awk, ensure that the check found something.
2898 AC_DEFUN([CF_PROG_AWK],
2901 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2903 dnl ---------------------------------------------------------------------------
2904 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2906 dnl standard check for CC, plus followup sanity checks
2907 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2908 AC_DEFUN([CF_PROG_CC],[
2909 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2911 CF_ACVERSION_CHECK(2.52,
2916 dnl ---------------------------------------------------------------------------
2917 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
2919 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2920 dnl the output file can be renamed, and allows for a shell variable that can
2921 dnl be used later. The parameter is either CC or CXX. The result is the
2923 dnl $cf_cv_prog_CC_c_o
2924 dnl $cf_cv_prog_CXX_c_o
2927 dnl $2 = compiler options, if any
2928 AC_DEFUN([CF_PROG_CC_C_O],
2929 [AC_REQUIRE([AC_PROG_CC])dnl
2930 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2931 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2933 cat > conftest.$ac_ext <<CF_EOF
2936 ${cf_cv_main_return:-return}(0);
2939 # We do the test twice because some compilers refuse to overwrite an
2940 # existing .o file with -o, though they will create one.
2941 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2942 if AC_TRY_EVAL(ac_try) &&
2943 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2945 eval cf_cv_prog_$1_c_o=yes
2947 eval cf_cv_prog_$1_c_o=no
2951 if test $cf_cv_prog_$1_c_o = yes; then
2952 AC_MSG_RESULT([yes])
2957 dnl ---------------------------------------------------------------------------
2958 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2960 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2961 dnl This macro adds a check to ensure the script found something.
2962 AC_DEFUN([CF_PROG_EGREP],
2963 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2964 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2965 then ac_cv_prog_egrep='grep -E'
2966 else ac_cv_prog_egrep='egrep'
2968 EGREP=$ac_cv_prog_egrep
2970 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2972 dnl ---------------------------------------------------------------------------
2973 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
2975 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2976 AC_DEFUN([CF_PROG_EXT],
2978 AC_REQUIRE([CF_CHECK_CACHE])
2979 case $cf_cv_system_name in
2981 CFLAGS="$CFLAGS -Zmt"
2982 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
2983 CXXFLAGS="$CXXFLAGS -Zmt"
2984 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2985 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2995 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2997 dnl ---------------------------------------------------------------------------
2998 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3000 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3001 dnl misc/tabset install won't work properly. Usually this happens only when
3002 dnl using the fallback mkinstalldirs script
3003 AC_DEFUN([CF_PROG_INSTALL],
3009 CF_DIRNAME(cf_dir,$INSTALL)
3010 test -z "$cf_dir" && cf_dir=.
3011 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3015 dnl ---------------------------------------------------------------------------
3016 dnl CF_PROG_GNAT version: 6 updated: 2018/01/16 16:45:49
3018 dnl Check for gnatmake, ensure that it is complete.
3019 AC_DEFUN([CF_PROG_GNAT],[
3020 cf_ada_make=gnatmake
3022 AC_CHECK_PROG(gnatmake_exists, $cf_ada_make, yes, no)
3023 if test "$ac_cv_prog_gnatmake_exists" = no; then
3025 cf_cv_prog_gnat_correct=no
3027 AC_CHECK_PROG(gprconfig_exists, gprconfig, yes, no)
3028 if test "$ac_cv_prog_gprconfig_exists" = yes
3030 rm -rf conftest* *~conftest*
3031 if mkdir conftest.src
3035 for cf_gprconfig in Ada C
3037 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3038 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3039 if test -n "$cf_gprconfig_value"
3041 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3042 AC_MSG_RESULT($cf_gprconfig_value)
3044 AC_MSG_RESULT(missing)
3050 rm -rf conftest* *~conftest*
3053 # gprconfig is newer than gnatmake; we can continue...
3056 if test "x$cf_ada_config" != "x#"
3059 AC_CHECK_PROG(M4_exists, m4, yes, no)
3060 if test "$ac_cv_prog_M4_exists" = no; then
3061 cf_cv_prog_gnat_correct=no
3062 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
3064 if test "$cf_cv_prog_gnat_correct" = yes; then
3065 AC_MSG_CHECKING(if GNAT works)
3066 CF_GNAT_TRY_RUN([procedure conftest;],
3069 procedure conftest is
3071 Text_IO.Put ("Hello World");
3073 GNAT.OS_Lib.OS_Exit (0);
3074 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
3075 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3078 cf_cv_prog_gnat_correct=no
3082 AC_SUBST(cf_ada_make)
3083 AC_SUBST(cf_ada_config)
3084 AC_SUBST(cf_ada_config_Ada)
3085 AC_SUBST(cf_ada_config_C)
3087 dnl ---------------------------------------------------------------------------
3088 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3090 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3091 dnl option if it is supported.
3092 AC_DEFUN([CF_PROG_LN_S],[
3094 AC_MSG_CHECKING(if $LN_S -f options work)
3096 rm -f conf$$.src conf$$dst
3098 echo first >conf$$.src
3099 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3104 rm -f conf$$.dst conf$$src
3105 AC_MSG_RESULT($cf_prog_ln_sf)
3107 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3109 dnl ---------------------------------------------------------------------------
3110 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3111 dnl ----------------
3112 dnl Remove all -U and -D options that refer to the given symbol from a list
3113 dnl of C compiler options. This works around the problem that not all
3114 dnl compilers process -U and -D options from left-to-right, so a -U option
3115 dnl cannot be used to cancel the effect of a preceding -D option.
3117 dnl $1 = target (which could be the same as the source variable)
3118 dnl $2 = source (including '$')
3119 dnl $3 = symbol to remove
3120 define([CF_REMOVE_DEFINE],
3123 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3124 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3126 dnl ---------------------------------------------------------------------------
3127 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3129 dnl Remove the given library from the symbol
3131 dnl $1 = target (which could be the same as the source variable)
3132 dnl $2 = source (including '$')
3133 dnl $3 = library to remove
3134 define([CF_REMOVE_LIB],
3136 # remove $3 library from $2
3137 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3139 dnl ---------------------------------------------------------------------------
3140 dnl CF_SHARED_OPTS version: 92 updated: 2017/12/30 17:26:05
3143 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3147 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3148 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3149 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3150 dnl shared library since that can lead to unexpected results at runtime.
3151 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3152 dnl libraries are compiled in ../../lib
3154 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3155 dnl to install symbolic links to the rel/abi versions of shared libraries.
3157 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3158 dnl version when making symbolic links.
3160 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3161 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3162 dnl (ex: libncurses.so.<ver>).
3164 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3165 AC_DEFUN([CF_SHARED_OPTS],
3167 AC_REQUIRE([CF_LD_RPATH_OPT])
3172 INSTALL_LIB="-m 644"
3173 : ${rel_builddir:=.}
3181 cf_cv_do_symlinks=no
3183 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3185 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3186 AC_ARG_WITH(shlib-version,
3187 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3188 [test -z "$withval" && withval=auto
3191 cf_cv_shlib_version=auto
3194 cf_cv_shlib_version=$withval
3197 AC_MSG_RESULT($withval)
3198 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3201 ],[cf_cv_shlib_version=auto])
3202 AC_MSG_RESULT($cf_cv_shlib_version)
3207 # Some less-capable ports of gcc support only -fpic
3211 if test "$GCC" = yes
3215 case $cf_cv_system_name in
3216 (*linux*) # e.g., PGI compiler
3222 if test "$cf_try_fPIC" = yes
3224 AC_MSG_CHECKING(which $CC option to use)
3225 cf_save_CFLAGS="$CFLAGS"
3226 for CC_SHARED_OPTS in -fPIC -fpic ''
3228 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3229 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3231 AC_MSG_RESULT($CC_SHARED_OPTS)
3232 CFLAGS="$cf_save_CFLAGS"
3235 cf_cv_shlib_version_infix=no
3237 case $cf_cv_system_name in
3238 (aix4.[3-9]*|aix[[5-7]]*)
3239 if test "$GCC" = yes; then
3240 CC_SHARED_OPTS='-Wl,-brtl'
3241 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3243 CC_SHARED_OPTS='-brtl'
3244 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3245 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3249 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3253 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3254 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3255 cf_cv_shlib_version=cygdll
3256 cf_cv_shlib_version_infix=cygdll
3259 cat >mk_shared_lib.sh <<-CF_EOF
3262 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3265 Linking shared library
3266 ** SHARED_LIB \[$]SHARED_LIB
3267 ** IMPORT_LIB \[$]IMPORT_LIB
3269 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3271 chmod +x mk_shared_lib.sh
3275 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3276 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3277 cf_cv_shlib_version=msysdll
3278 cf_cv_shlib_version_infix=msysdll
3281 cat >mk_shared_lib.sh <<-CF_EOF
3284 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3287 Linking shared library
3288 ** SHARED_LIB \[$]SHARED_LIB
3289 ** IMPORT_LIB \[$]IMPORT_LIB
3291 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3293 chmod +x mk_shared_lib.sh
3296 cf_try_cflags="no-cpp-precomp"
3297 CC_SHARED_OPTS="-dynamic"
3298 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3299 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3300 cf_cv_shlib_version_infix=yes
3301 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3302 cf_save_LDFLAGS=$LDFLAGS
3303 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3304 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3305 LDFLAGS=$cf_save_LDFLAGS])
3306 if test $cf_cv_ldflags_search_paths_first = yes; then
3307 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3311 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3312 if test "$GCC" != yes; then
3315 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3316 INSTALL_LIB="-m 555"
3319 # (tested with gcc 2.7.2 -- I don't have c89)
3320 if test "$GCC" = yes; then
3321 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3324 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3326 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3327 # HP-UX shared libraries must be executable, and should be
3328 # readonly to exploit a quirk in the memory manager.
3329 INSTALL_LIB="-m 555"
3332 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3333 if test "$cf_cv_shlib_version" = rel; then
3334 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3336 cf_shared_soname='`basename $[@]`'
3339 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3342 if test "$cf_cv_enable_rpath" = yes ; then
3343 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3345 # tested with IRIX 5.2 and 'cc'.
3346 if test "$GCC" != yes; then
3347 CC_SHARED_OPTS='-KPIC'
3348 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3350 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3352 cf_cv_rm_so_locs=yes
3354 (linux*|gnu*|k*bsd*-gnu)
3355 if test "$DFT_LWR_MODEL" = "shared" ; then
3356 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3357 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3359 if test "$cf_cv_enable_rpath" = yes ; then
3360 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3363 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3366 cf_cv_shlib_version=mingw
3367 cf_cv_shlib_version_infix=mingw
3370 if test "$DFT_LWR_MODEL" = "shared" ; then
3371 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3372 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3373 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3376 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3377 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3378 cat >mk_shared_lib.sh <<-CF_EOF
3381 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3384 Linking shared library
3385 ** SHARED_LIB \[$]SHARED_LIB
3386 ** IMPORT_LIB \[$]IMPORT_LIB
3388 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3390 chmod +x mk_shared_lib.sh
3392 (openbsd[[2-9]].*|mirbsd*)
3393 if test "$DFT_LWR_MODEL" = "shared" ; then
3394 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3395 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3397 if test "$cf_cv_enable_rpath" = yes ; then
3398 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3400 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3402 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3404 (nto-qnx*|openbsd*|freebsd[[12]].*)
3405 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3406 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3407 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3409 (dragonfly*|freebsd*)
3410 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3411 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3412 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3413 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3414 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3417 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3420 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3421 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3422 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3423 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3424 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3425 if test "$cf_cv_shlib_version" = auto; then
3426 if test -f /usr/libexec/ld.elf_so; then
3427 cf_cv_shlib_version=abi
3429 cf_cv_shlib_version=rel
3433 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3435 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
3439 # tested with OSF/1 V3.2 and 'cc'
3440 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3441 # link with shared libs).
3442 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3445 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3448 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3449 if test "$DFT_LWR_MODEL" = "shared" ; then
3450 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3451 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3453 cf_cv_rm_so_locs=yes
3455 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3456 # tested with osr5.0.5
3457 if test "$GCC" != yes; then
3458 CC_SHARED_OPTS='-belf -KPIC'
3460 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3461 if test "$cf_cv_enable_rpath" = yes ; then
3462 # only way is to set LD_RUN_PATH but no switch for it
3465 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3466 LINK_PROGS='LD_RUN_PATH=${libdir}'
3467 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3470 # tested with SunOS 4.1.1 and gcc 2.7.0
3471 if test "$GCC" != yes; then
3472 CC_SHARED_OPTS='-KPIC'
3474 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
3475 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3478 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3479 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3480 if test "$DFT_LWR_MODEL" = "shared" ; then
3481 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3482 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3484 if test "$cf_cv_enable_rpath" = yes ; then
3485 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3488 if test "$GCC" != yes; then
3489 cf_save_CFLAGS="$CFLAGS"
3490 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3492 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3493 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3495 CFLAGS="$cf_save_CFLAGS"
3496 CC_SHARED_OPTS=$cf_shared_opts
3497 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3499 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3502 (sysv5uw7*|unix_sv*)
3503 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3504 if test "$GCC" != yes; then
3505 CC_SHARED_OPTS='-KPIC'
3507 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
3510 CC_SHARED_OPTS='unknown'
3511 MK_SHARED_LIB='echo unknown'
3515 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3516 case "$cf_cv_shlib_version" in
3518 case "$MK_SHARED_LIB" in
3520 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3523 AC_MSG_WARN(ignored --with-shlib-version)
3529 if test -n "$cf_try_cflags"
3531 cat > conftest.$ac_ext <<EOF
3532 #line __oline__ "${as_me:-configure}"
3534 int main(int argc, char *argv[[]])
3537 return (argv[[argc-1]] == 0) ;
3540 cf_save_CFLAGS="$CFLAGS"
3541 for cf_opt in $cf_try_cflags
3543 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3544 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3545 if AC_TRY_EVAL(ac_compile); then
3547 cf_save_CFLAGS="$CFLAGS"
3552 CFLAGS="$cf_save_CFLAGS"
3556 # RPATH_LIST is a colon-separated list of directories
3557 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3558 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3560 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3562 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3563 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3565 AC_SUBST(CC_SHARED_OPTS)
3566 AC_SUBST(LD_RPATH_OPT)
3567 AC_SUBST(LD_SHARED_OPTS)
3568 AC_SUBST(MK_SHARED_LIB)
3569 AC_SUBST(RM_SHARED_OPTS)
3571 AC_SUBST(LINK_PROGS)
3572 AC_SUBST(LINK_TESTS)
3574 AC_SUBST(EXTRA_LDFLAGS)
3575 AC_SUBST(LOCAL_LDFLAGS)
3576 AC_SUBST(LOCAL_LDFLAGS2)
3578 AC_SUBST(INSTALL_LIB)
3579 AC_SUBST(RPATH_LIST)
3581 dnl ---------------------------------------------------------------------------
3582 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3583 dnl ----------------
3584 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3585 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3588 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3589 dnl If missing, use "rel".
3590 define([CF_SHARED_SONAME],
3592 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3593 if test "$cf_cv_shlib_version" = rel; then
3594 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3596 cf_cv_shared_soname='`basename $[@]`'
3599 dnl ---------------------------------------------------------------------------
3600 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3602 dnl Remove "-g" option from the compiler options
3603 AC_DEFUN([CF_STRIP_G_OPT],
3604 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3605 dnl ---------------------------------------------------------------------------
3606 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3608 dnl Construct a search-list for a nonstandard header/lib-file
3609 dnl $1 = the variable to return as result
3610 dnl $2 = the package name
3611 dnl $3 = the subdirectory, e.g., bin, include or lib
3612 AC_DEFUN([CF_SUBDIR_PATH],
3616 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3618 for cf_subdir_prefix in \
3626 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3629 dnl ---------------------------------------------------------------------------
3630 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3632 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3633 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3634 dnl but some packagers change this, breaking various applications.
3635 AC_DEFUN([CF_TERM_HEADER],[
3636 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3637 case ${cf_cv_ncurses_header} in
3638 (*/ncurses.h|*/ncursesw.h)
3639 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3642 cf_term_header=term.h
3646 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3648 AC_TRY_COMPILE([#include <stdio.h>
3649 #include <${cf_cv_ncurses_header:-curses.h}>
3651 ],[int x = auto_left_margin],[
3652 cf_cv_term_header="$cf_test"],[
3653 cf_cv_term_header=unknown
3655 test "$cf_cv_term_header" != unknown && break
3659 # Set definitions to allow ifdef'ing to accommodate subdirectories
3661 case $cf_cv_term_header in
3663 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3667 case $cf_cv_term_header in
3669 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3672 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3676 dnl ---------------------------------------------------------------------------
3677 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3679 dnl Define a top_builddir symbol, for applications that need an absolute path.
3680 AC_DEFUN([CF_TOP_BUILDDIR],
3682 top_builddir=ifelse($1,,`pwd`,$1)
3683 AC_SUBST(top_builddir)
3685 dnl ---------------------------------------------------------------------------
3686 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
3687 dnl -------------------
3688 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3689 dnl can define it successfully.
3690 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3691 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3695 #include <sys/types.h>
3697 #ifndef _XOPEN_SOURCE
3700 [cf_cv_xopen_source=no],
3701 [cf_save="$CPPFLAGS"
3702 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
3706 #include <sys/types.h>
3708 #ifdef _XOPEN_SOURCE
3711 [cf_cv_xopen_source=no],
3712 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3717 if test "$cf_cv_xopen_source" != no ; then
3718 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3719 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3720 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3721 CF_ADD_CFLAGS($cf_temp_xopen_source)
3724 dnl ---------------------------------------------------------------------------
3725 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3727 dnl Make an uppercase version of a variable
3728 dnl $1=uppercase($2)
3729 AC_DEFUN([CF_UPPER],
3731 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3733 dnl ---------------------------------------------------------------------------
3734 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3736 dnl Check for multibyte support, and if not found, utf8 compatibility library
3737 AC_DEFUN([CF_UTF8_LIB],
3739 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3740 cf_save_LIBS="$LIBS"
3742 #include <stdlib.h>],[putwc(0,0);],
3743 [cf_cv_utf8_lib=yes],
3745 #include <libutf8.h>],[putwc(0,0);],utf8,
3746 [cf_cv_utf8_lib=add-on],
3747 [cf_cv_utf8_lib=no])
3750 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3752 if test "$cf_cv_utf8_lib" = "add-on" ; then
3753 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3754 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3755 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3756 CF_ADD_LIBS($cf_cv_library_file_utf8)
3759 dnl ---------------------------------------------------------------------------
3760 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3762 dnl Use AC_VERBOSE w/o the warnings
3763 AC_DEFUN([CF_VERBOSE],
3764 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3767 dnl ---------------------------------------------------------------------------
3768 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3770 dnl Check for compiler-support for weak symbols.
3771 dnl This works with "recent" gcc.
3772 AC_DEFUN([CF_WEAK_SYMBOLS],[
3773 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3776 #include <stdio.h>],
3778 #if defined(__GNUC__)
3779 # if defined __USE_ISOC99
3780 # define _cat_pragma(exp) _Pragma(#exp)
3781 # define _weak_pragma(exp) _cat_pragma(weak name)
3783 # define _weak_pragma(exp)
3785 # define _declare(name) __extension__ extern __typeof__(name) name
3786 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3790 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3793 dnl ---------------------------------------------------------------------------
3794 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3795 dnl --------------------
3796 dnl Command-line option to specify the Ada95 compiler.
3797 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3798 AC_MSG_CHECKING(for ada-compiler)
3799 AC_ARG_WITH(ada-compiler,
3800 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3801 [cf_ada_compiler=$withval],
3802 [cf_ada_compiler=gnatmake])
3803 AC_SUBST(cf_ada_compiler)
3804 AC_MSG_RESULT($cf_ada_compiler)
3806 dnl ---------------------------------------------------------------------------
3807 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3808 dnl -------------------
3809 dnl Command-line option to specify where Ada includes will install.
3810 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3811 AC_MSG_CHECKING(for ada-include)
3812 CF_WITH_PATH(ada-include,
3813 [ --with-ada-include=DIR Ada includes are in DIR],
3815 PREFIX/share/ada/adainclude,
3816 [$]prefix/share/ada/adainclude)
3817 AC_SUBST(ADA_INCLUDE)
3818 AC_MSG_RESULT($ADA_INCLUDE)
3820 dnl ---------------------------------------------------------------------------
3821 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3822 dnl -------------------
3823 dnl Command-line option to specify where Ada objects will install.
3824 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3825 AC_MSG_CHECKING(for ada-objects)
3826 CF_WITH_PATH(ada-objects,
3827 [ --with-ada-objects=DIR Ada objects are in DIR],
3829 PREFIX/lib/ada/adalib,
3830 [$]prefix/lib/ada/adalib)
3831 AC_SUBST(ADA_OBJECTS)
3832 AC_MSG_RESULT($ADA_OBJECTS)
3834 dnl ---------------------------------------------------------------------------
3835 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
3836 dnl ---------------------
3837 dnl Command-line option to specify if an Ada95 shared-library should be built,
3838 dnl and optionally what its soname should be.
3839 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3840 AC_REQUIRE([CF_GNAT_PROJECTS])
3841 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3842 AC_ARG_WITH(ada-sharedlib,
3843 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3844 [with_ada_sharedlib=$withval],
3845 [with_ada_sharedlib=no])
3846 AC_MSG_RESULT($with_ada_sharedlib)
3848 if test "x$with_ada_sharedlib" != xno
3850 if test "x$cf_gnat_projects" != xyes
3852 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
3853 with_ada_sharedlib=no
3857 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3858 MAKE_ADA_SHAREDLIB="#"
3860 if test "x$with_ada_sharedlib" != xno
3863 if test "x$with_ada_sharedlib" != xyes
3865 ADA_SHAREDLIB="$with_ada_sharedlib"
3869 AC_SUBST(ADA_SHAREDLIB)
3870 AC_SUBST(MAKE_ADA_SHAREDLIB)
3872 dnl ---------------------------------------------------------------------------
3873 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3874 dnl ------------------
3875 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3877 AC_DEFUN([CF_WITH_CURSES_DIR],[
3879 AC_MSG_CHECKING(for specific curses-directory)
3880 AC_ARG_WITH(curses-dir,
3881 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3882 [cf_cv_curses_dir=$withval],
3883 [cf_cv_curses_dir=no])
3884 AC_MSG_RESULT($cf_cv_curses_dir)
3886 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3888 CF_PATH_SYNTAX(withval)
3889 if test -d "$cf_cv_curses_dir"
3891 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3892 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3896 dnl ---------------------------------------------------------------------------
3897 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3898 dnl ------------------
3899 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3900 dnl "lib" prefix, e.g., because it used the dll naming convention.
3902 dnl $1 = variable to set
3903 AC_DEFUN([CF_WITH_LIB_PREFIX],
3905 AC_MSG_CHECKING(if you want to have a library-prefix)
3906 AC_ARG_WITH(lib-prefix,
3907 [ --with-lib-prefix override library-prefix],
3908 [with_lib_prefix=$withval],
3909 [with_lib_prefix=auto])
3910 AC_MSG_RESULT($with_lib_prefix)
3912 if test $with_lib_prefix = auto
3915 elif test $with_lib_prefix = no
3919 LIB_PREFIX=$with_lib_prefix
3922 dnl ---------------------------------------------------------------------------
3923 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3925 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3926 dnl defaulting to yes/no.
3928 dnl $1 = option name
3930 dnl $3 = environment variable to set
3931 dnl $4 = default value, shown in the help-message, must be a constant
3932 dnl $5 = default value, if it's an expression & cannot be in the help-message
3934 AC_DEFUN([CF_WITH_PATH],
3935 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3936 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3937 if ifelse([$5],,true,[test -n "$5"]) ; then
3938 CF_PATH_SYNTAX(withval)
3943 dnl ---------------------------------------------------------------------------
3944 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
3945 dnl -------------------------
3946 dnl Allow the choice of the pkg-config library directory to be overridden.
3947 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3951 AC_MSG_CHECKING(for pkg-config library directory)
3954 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3958 PKG_CONFIG_LIBDIR=no
3959 AC_ARG_WITH(pkg-config-libdir,
3960 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3961 [PKG_CONFIG_LIBDIR=$withval],
3962 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
3964 case x$PKG_CONFIG_LIBDIR in
3968 # Look for the library directory using the same prefix as the executable
3969 if test "x$PKG_CONFIG" = xnone
3973 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3976 # If you don't like using the default architecture, you have to specify the
3977 # intended library directory and corresponding compiler/linker options.
3979 # This case allows for Debian's 2014-flavor of multiarch, along with the
3980 # most common variations before that point. Some other variants spell the
3981 # directory differently, e.g., "pkg-config", and put it in unusual places.
3982 # pkg-config has always been poorly standardized, which is ironic...
3983 case x`(arch) 2>/dev/null` in
3986 $cf_path/lib/*64-linux-gnu \
3994 $cf_path/lib/*-linux-gnu \
4003 for cf_config in $cf_search_path
4005 CF_VERBOSE(checking $cf_config/pkgconfig)
4006 if test -d $cf_config/pkgconfig
4008 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4009 AC_MSG_CHECKING(done)
4018 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4019 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4022 AC_SUBST(PKG_CONFIG_LIBDIR)
4024 dnl ---------------------------------------------------------------------------
4025 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4027 dnl Check for POSIX thread library.
4028 AC_DEFUN([CF_WITH_PTHREAD],
4030 AC_MSG_CHECKING(if you want to link with the pthread library)
4031 AC_ARG_WITH(pthread,
4032 [ --with-pthread use POSIX thread library],
4033 [with_pthread=$withval],
4035 AC_MSG_RESULT($with_pthread)
4037 if test "$with_pthread" != no ; then
4038 AC_CHECK_HEADER(pthread.h,[
4039 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4041 for cf_lib_pthread in pthread c_r
4043 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4044 cf_save_LIBS="$LIBS"
4045 CF_ADD_LIB($cf_lib_pthread)
4047 #include <pthread.h>
4049 int rc = pthread_create(0,0,0,0);
4050 int r2 = pthread_mutexattr_settype(0, 0);
4051 ],[with_pthread=yes],[with_pthread=no])
4052 LIBS="$cf_save_LIBS"
4053 AC_MSG_RESULT($with_pthread)
4054 test "$with_pthread" = yes && break
4057 if test "$with_pthread" = yes ; then
4058 CF_ADD_LIB($cf_lib_pthread)
4059 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4061 AC_MSG_ERROR(Cannot link with pthread library)
4066 dnl ---------------------------------------------------------------------------
4067 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4069 dnl For testing, override the derived host system-type which is used to decide
4070 dnl things such as the linker commands used to build shared libraries. This is
4071 dnl normally chosen automatically based on the type of system which you are
4072 dnl building on. We use it for testing the configure script.
4074 dnl This is different from the --host option: it is used only for testing parts
4075 dnl of the configure script which would not be reachable with --host since that
4076 dnl relies on the build environment being real, rather than mocked up.
4077 AC_DEFUN([CF_WITH_SYSTYPE],[
4078 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4079 AC_ARG_WITH(system-type,
4080 [ --with-system-type=XXX test: override derived host system-type],
4081 [AC_MSG_WARN(overriding system type to $withval)
4082 cf_cv_system_name=$withval
4086 dnl ---------------------------------------------------------------------------
4087 dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
4089 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4090 dnl or adapt to the vendor's definitions to get equivalent functionality,
4091 dnl without losing the common non-POSIX features.
4094 dnl $1 is the nominal value for _XOPEN_SOURCE
4095 dnl $2 is the nominal value for _POSIX_C_SOURCE
4096 AC_DEFUN([CF_XOPEN_SOURCE],[
4097 AC_REQUIRE([AC_CANONICAL_HOST])
4099 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4100 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4105 cf_xopen_source="-D_ALL_SOURCE"
4111 cf_xopen_source="-D_APPLE_C_SOURCE"
4114 cf_xopen_source="-D_DARWIN_C_SOURCE"
4117 (freebsd*|dragonfly*)
4118 # 5.x headers associate
4119 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4120 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4121 cf_POSIX_C_SOURCE=200112L
4123 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4126 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4129 cf_xopen_source="-D_HPUX_SOURCE"
4132 cf_xopen_source="-D_SGI_SOURCE"
4135 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4136 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4139 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4142 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4144 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4147 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4150 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4151 cf_xopen_source="-D_BSD_SOURCE"
4155 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4158 cf_xopen_source="-D_OSF_SOURCE"
4161 cf_xopen_source="-D_QNX_SOURCE"
4164 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4167 cf_xopen_source="-D__EXTENSIONS__"
4168 cf_cv_xopen_source=broken
4170 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4176 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4180 if test -n "$cf_xopen_source" ; then
4181 CF_ADD_CFLAGS($cf_xopen_source,true)
4184 dnl In anything but the default case, we may have system-specific setting
4185 dnl which is still not guaranteed to provide all of the entrypoints that
4186 dnl _XOPEN_SOURCE would yield.
4187 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4188 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4189 AC_TRY_COMPILE([#include <stdlib.h>],[
4190 #ifndef _XOPEN_SOURCE
4193 [cf_XOPEN_SOURCE_set=yes],
4194 [cf_XOPEN_SOURCE_set=no])
4195 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4196 if test $cf_XOPEN_SOURCE_set = yes
4198 AC_TRY_COMPILE([#include <stdlib.h>],[
4199 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4202 [cf_XOPEN_SOURCE_set_ok=yes],
4203 [cf_XOPEN_SOURCE_set_ok=no])
4204 if test $cf_XOPEN_SOURCE_set_ok = no
4206 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)