1 dnl***************************************************************************
2 dnl Copyright 2018-2019,2020 Thomas E. Dickey *
3 dnl Copyright 2010-2017,2018 Free Software Foundation, Inc. *
5 dnl Permission is hereby granted, free of charge, to any person obtaining a *
6 dnl copy of this software and associated documentation files (the *
7 dnl "Software"), to deal in the Software without restriction, including *
8 dnl without limitation the rights to use, copy, modify, merge, publish, *
9 dnl distribute, distribute with modifications, sublicense, and/or sell *
10 dnl copies of the Software, and to permit persons to whom the Software is *
11 dnl furnished to do so, subject to the following conditions: *
13 dnl The above copyright notice and this permission notice shall be included *
14 dnl in all copies or substantial portions of the Software. *
16 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 dnl Except as contained in this notice, the name(s) of the above copyright *
25 dnl holders shall not be used in advertising or otherwise to promote the *
26 dnl sale, use or other dealings in this Software without prior written *
28 dnl***************************************************************************
30 dnl Author: Thomas E. Dickey
32 dnl $Id: aclocal.m4,v 1.167 2020/12/05 21:44:26 tom Exp $
33 dnl Macros used in NCURSES Ada95 auto-configuration script.
35 dnl These macros are maintained separately from NCURSES. The copyright on
36 dnl this file applies to the aggregation of macros and does not affect use of
37 dnl these macros in other applications.
39 dnl See these pages for additional information:
40 dnl https://invisible-island.net/autoconf/
41 dnl https://invisible-island.net/autoconf/my-autoconf.html
43 dnl ---------------------------------------------------------------------------
44 dnl ---------------------------------------------------------------------------
45 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
46 dnl ------------------
47 dnl Conditionally generate script according to whether we're using a given autoconf.
49 dnl $1 = version to compare against
50 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
51 dnl $3 = code to use if AC_ACVERSION is older than $1.
52 define([CF_ACVERSION_CHECK],
54 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
55 ifdef([m4_version_compare],
56 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
57 [CF_ACVERSION_COMPARE(
58 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
59 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
60 dnl ---------------------------------------------------------------------------
61 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
62 dnl --------------------
63 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
64 dnl MAJOR2, MINOR2, TERNARY2,
65 dnl PRINTABLE2, not FOUND, FOUND)
66 define([CF_ACVERSION_COMPARE],
67 [ifelse(builtin([eval], [$2 < $5]), 1,
68 [ifelse([$8], , ,[$8])],
69 [ifelse([$9], , ,[$9])])])dnl
70 dnl ---------------------------------------------------------------------------
71 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
72 dnl -------------------
73 dnl Construct the list of include-options for the C programs in the Ada95
75 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
77 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
78 if test "$srcdir" != "."; then
79 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
81 if test "$GCC" != yes; then
82 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
83 elif test "$includedir" != "/usr/include"; then
84 if test "$includedir" = '${prefix}/include' ; then
85 if test x$prefix != x/usr ; then
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
89 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
94 dnl ---------------------------------------------------------------------------
95 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
97 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
98 AC_DEFUN([CF_ADD_ADAFLAGS],[
99 ADAFLAGS="$ADAFLAGS $1"
102 dnl ---------------------------------------------------------------------------
103 dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13
105 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
106 dnl $1 = flags to add
107 dnl $2 = if given makes this macro verbose.
109 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
110 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
111 dnl confused by the quotes (which require backslashes to keep them usable).
112 AC_DEFUN([CF_ADD_CFLAGS],
117 cf_new_extra_cppflags=
119 for cf_add_cflags in $1
121 case $cf_fix_cppflags in
123 case $cf_add_cflags in
124 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
125 case $cf_add_cflags in
127 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
129 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
130 && test -z "${cf_tst_cflags}" \
131 && cf_fix_cppflags=yes
133 if test $cf_fix_cppflags = yes ; then
134 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
136 elif test "${cf_tst_cflags}" = "\"'" ; then
137 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
146 case $cf_add_cflags in
148 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
149 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
152 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
157 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
162 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
164 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
166 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
167 && test -z "${cf_tst_cflags}" \
168 && cf_fix_cppflags=no
173 if test -n "$cf_new_cflags" ; then
174 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
175 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
178 if test -n "$cf_new_cppflags" ; then
179 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
180 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
183 if test -n "$cf_new_extra_cppflags" ; then
184 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
185 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
188 AC_SUBST(EXTRA_CPPFLAGS)
191 dnl ---------------------------------------------------------------------------
192 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
194 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
195 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
196 dnl but old versions (and some misinstalled ones) need that. To make things
197 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
198 dnl the include-path).
199 AC_DEFUN([CF_ADD_INCDIR],
201 if test -n "$1" ; then
202 for cf_add_incdir in $1
204 while test $cf_add_incdir != /usr/include
206 if test -d $cf_add_incdir
209 if test -n "$CFLAGS$CPPFLAGS" ; then
210 # a loop is needed to ensure we can add subdirs of existing dirs
211 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
212 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
213 cf_have_incdir=yes; break
218 if test "$cf_have_incdir" = no ; then
219 if test "$cf_add_incdir" = /usr/local/include ; then
222 cf_save_CPPFLAGS=$CPPFLAGS
223 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
224 AC_TRY_COMPILE([#include <stdio.h>],
227 [cf_have_incdir=yes])
228 CPPFLAGS=$cf_save_CPPFLAGS
233 if test "$cf_have_incdir" = no ; then
234 CF_VERBOSE(adding $cf_add_incdir to include-path)
235 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
237 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
238 test "$cf_top_incdir" = "$cf_add_incdir" && break
239 cf_add_incdir="$cf_top_incdir"
250 dnl ---------------------------------------------------------------------------
251 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
253 dnl Add a library, used to enforce consistency.
255 dnl $1 = library to add, without the "-l"
256 dnl $2 = variable to update (default $LIBS)
257 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
258 dnl ---------------------------------------------------------------------------
259 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
261 dnl Adds to the library-path
263 dnl Some machines have trouble with multiple -L options.
265 dnl $1 is the (list of) directory(s) to add
266 dnl $2 is the optional name of the variable to update (default LDFLAGS)
268 AC_DEFUN([CF_ADD_LIBDIR],
270 if test -n "$1" ; then
271 for cf_add_libdir in $1
273 if test $cf_add_libdir = /usr/lib ; then
275 elif test -d $cf_add_libdir
278 if test -n "$LDFLAGS$LIBS" ; then
279 # a loop is needed to ensure we can add subdirs of existing dirs
280 for cf_test_libdir in $LDFLAGS $LIBS ; do
281 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
282 cf_have_libdir=yes; break
286 if test "$cf_have_libdir" = no ; then
287 CF_VERBOSE(adding $cf_add_libdir to library-path)
288 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
294 dnl ---------------------------------------------------------------------------
295 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
297 dnl Add one or more libraries, used to enforce consistency. Libraries are
298 dnl prepended to an existing list, since their dependencies are assumed to
299 dnl already exist in the list.
301 dnl $1 = libraries to add, with the "-l", etc.
302 dnl $2 = variable to update (default $LIBS)
303 AC_DEFUN([CF_ADD_LIBS],[
304 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
307 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
309 for cf_add_1lib in $cf_add_0lib; do
310 for cf_add_2lib in $cf_add_libs; do
311 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
316 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
318 ifelse($2,,LIBS,[$2])="$cf_add_libs"
320 dnl ---------------------------------------------------------------------------
321 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
322 dnl ------------------
323 dnl Append to a search-list for a nonstandard header/lib-file
324 dnl $1 = the variable to return as result
325 dnl $2 = the package name
326 dnl $3 = the subdirectory, e.g., bin, include or lib
327 dnl $4 = the directory under which we will test for subdirectories
328 dnl $5 = a directory that we do not want $4 to match
329 AC_DEFUN([CF_ADD_SUBDIR_PATH],
331 test "x$4" != "x$5" && \
333 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
334 test -n "$verbose" && echo " ... testing for $3-directories under $4"
335 test -d $4/$3 && $1="[$]$1 $4/$3"
336 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
337 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
338 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
339 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
342 dnl ---------------------------------------------------------------------------
343 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
345 dnl use this macro for appending text without introducing an extra blank at
347 define([CF_APPEND_TEXT],
349 test -n "[$]$1" && $1="[$]$1 "
352 dnl ---------------------------------------------------------------------------
353 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
355 dnl Allow user to disable a normally-on option.
356 AC_DEFUN([CF_ARG_DISABLE],
357 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
358 dnl ---------------------------------------------------------------------------
359 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
361 dnl Allow user to enable a normally-off option.
362 AC_DEFUN([CF_ARG_ENABLE],
363 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
364 dnl ---------------------------------------------------------------------------
365 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
367 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
373 dnl $3 = action to perform if option is not default
374 dnl $4 = action if perform if option is default
375 dnl $5 = default option value (either 'yes' or 'no')
376 AC_DEFUN([CF_ARG_OPTION],
377 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
378 if test "$enableval" != "$5" ; then
380 ,[ $3]) ifelse([$4],,,[
383 fi],[enableval=$5 ifelse([$4],,,[
387 dnl ---------------------------------------------------------------------------
388 dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29
390 dnl Check for suitable "ar" (archiver) options for updating an archive.
392 dnl In particular, handle some obsolete cases where the "-" might be omitted,
393 dnl as well as a workaround for breakage of make's archive rules by the GNU
394 dnl binutils "ar" program.
395 AC_DEFUN([CF_AR_FLAGS],[
396 AC_REQUIRE([CF_PROG_AR])
398 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
399 case $cf_cv_system_name in
402 cat >mk_static_lib.sh <<-EOF
407 exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
409 chmod +x mk_static_lib.sh
410 AR=`pwd`/mk_static_lib.sh
413 cf_cv_ar_flags=unknown
414 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
417 # check if $ARFLAGS already contains this choice
418 if test "x$ARFLAGS" != "x" ; then
419 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
420 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
426 rm -f conftest.$ac_cv_objext
429 cat >conftest.$ac_ext <<EOF
430 #line __oline__ "configure"
431 int testdata[[3]] = { 123, 456, 789 };
433 if AC_TRY_EVAL(ac_compile) ; then
434 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
435 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
436 if test -f conftest.a ; then
437 cf_cv_ar_flags=$cf_ar_flags
441 CF_VERBOSE(cannot compile test-program)
445 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
450 if test -n "$ARFLAGS" ; then
451 if test -n "$cf_cv_ar_flags" ; then
452 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
455 ARFLAGS=$cf_cv_ar_flags
460 dnl ---------------------------------------------------------------------------
461 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
463 dnl If we're cross-compiling, allow the user to override the tools and their
464 dnl options. The configure script is oriented toward identifying the host
465 dnl compiler, etc., but we need a build compiler to generate parts of the
468 dnl $1 = default for $CPPFLAGS
469 dnl $2 = default for $LIBS
470 AC_DEFUN([CF_BUILD_CC],[
471 CF_ACVERSION_CHECK(2.52,,
472 [AC_REQUIRE([CF_PROG_EXT])])
473 if test "$cross_compiling" = yes ; then
475 # defaults that we might want to override
476 : ${BUILD_CFLAGS:=''}
477 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
478 : ${BUILD_LDFLAGS:=''}
479 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
480 : ${BUILD_EXEEXT:='$x'}
481 : ${BUILD_OBJEXT:='o'}
483 AC_ARG_WITH(build-cc,
484 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
485 [BUILD_CC="$withval"],
486 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
487 AC_MSG_CHECKING(for native build C compiler)
488 AC_MSG_RESULT($BUILD_CC)
490 AC_MSG_CHECKING(for native build C preprocessor)
491 AC_ARG_WITH(build-cpp,
492 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
493 [BUILD_CPP="$withval"],
494 [BUILD_CPP='${BUILD_CC} -E'])
495 AC_MSG_RESULT($BUILD_CPP)
497 AC_MSG_CHECKING(for native build C flags)
498 AC_ARG_WITH(build-cflags,
499 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
500 [BUILD_CFLAGS="$withval"])
501 AC_MSG_RESULT($BUILD_CFLAGS)
503 AC_MSG_CHECKING(for native build C preprocessor-flags)
504 AC_ARG_WITH(build-cppflags,
505 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
506 [BUILD_CPPFLAGS="$withval"])
507 AC_MSG_RESULT($BUILD_CPPFLAGS)
509 AC_MSG_CHECKING(for native build linker-flags)
510 AC_ARG_WITH(build-ldflags,
511 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
512 [BUILD_LDFLAGS="$withval"])
513 AC_MSG_RESULT($BUILD_LDFLAGS)
515 AC_MSG_CHECKING(for native build linker-libraries)
516 AC_ARG_WITH(build-libs,
517 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
518 [BUILD_LIBS="$withval"])
519 AC_MSG_RESULT($BUILD_LIBS)
521 # this assumes we're on Unix.
525 : ${BUILD_CC:='${CC}'}
527 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
528 AC_MSG_ERROR([Cross-build requires two compilers.
529 Use --with-build-cc to specify the native compiler.])
533 : ${BUILD_CC:='${CC}'}
534 : ${BUILD_CPP:='${CPP}'}
535 : ${BUILD_CFLAGS:='${CFLAGS}'}
536 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
537 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
538 : ${BUILD_LIBS:='${LIBS}'}
539 : ${BUILD_EXEEXT:='$x'}
540 : ${BUILD_OBJEXT:='o'}
545 AC_SUBST(BUILD_CFLAGS)
546 AC_SUBST(BUILD_CPPFLAGS)
547 AC_SUBST(BUILD_LDFLAGS)
549 AC_SUBST(BUILD_EXEEXT)
550 AC_SUBST(BUILD_OBJEXT)
552 dnl ---------------------------------------------------------------------------
553 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
555 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
556 dnl into CC. This will not help with broken scripts that wrap the compiler
557 dnl with options, but eliminates a more common category of user confusion.
559 dnl In particular, it addresses the problem of being able to run the C
560 dnl preprocessor in a consistent manner.
562 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
563 dnl the nuisance of having inconsistent settings for compiler and preprocessor
564 dnl outweighs that limitation.
565 AC_DEFUN([CF_CC_ENV_FLAGS],
567 # This should have been defined by AC_PROG_CC
570 AC_MSG_CHECKING(\$CFLAGS variable)
573 AC_MSG_RESULT(broken)
574 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
577 for cf_arg in $cf_flags
579 CF_ADD_CFLAGS($cf_arg)
587 AC_MSG_CHECKING(\$CC variable)
590 AC_MSG_RESULT(broken)
591 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
593 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
594 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
596 for cf_arg in $cf_flags
600 CF_ADD_CFLAGS($cf_arg)
607 CF_VERBOSE(resulting CC: '$CC')
608 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
609 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
616 dnl ---------------------------------------------------------------------------
617 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
619 dnl Determine the default configuration into which we'll install ncurses. This
620 dnl can be overridden by the user's command-line options. There's two items to
622 dnl 1. the prefix (e.g., /usr)
623 dnl 2. the header files (e.g., /usr/include/ncurses)
624 dnl We'll look for a previous installation of ncurses and use the same defaults.
626 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
627 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
628 dnl programs from a vendor's.
629 AC_DEFUN([CF_CFG_DEFAULTS],
631 AC_MSG_CHECKING(for prefix)
632 if test "x$prefix" = "xNONE" ; then
633 case "$cf_cv_system_name" in
634 # non-vendor systems don't have a conflict
635 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
638 (*) prefix=$ac_default_prefix
642 AC_MSG_RESULT($prefix)
644 if test "x$prefix" = "xNONE" ; then
645 AC_MSG_CHECKING(for default include-directory)
646 test -n "$verbose" && echo 1>&AC_FD_MSG
649 $includedir/ncurses \
651 $prefix/include/ncurses \
653 /usr/local/include/ncurses \
657 cf_dir=`eval echo $cf_symbol`
658 if test -f $cf_dir/curses.h ; then
659 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
660 includedir="$cf_symbol"
661 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
665 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
667 AC_MSG_RESULT($includedir)
670 dnl ---------------------------------------------------------------------------
671 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
673 dnl Check if we're accidentally using a cache from a different machine.
674 dnl Derive the system name, as a check for reusing the autoconf cache.
676 dnl If we've packaged config.guess and config.sub, run that (since it does a
677 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
678 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
679 dnl which is useful in cross-compiles.
681 dnl Note: we would use $ac_config_sub, but that is one of the places where
682 dnl autoconf 2.5x broke compatibility with autoconf 2.13
683 AC_DEFUN([CF_CHECK_CACHE],
685 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
686 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
687 system_name="$host_os"
689 system_name="`(uname -s -r) 2>/dev/null`"
690 if test -z "$system_name" ; then
691 system_name="`(hostname) 2>/dev/null`"
694 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
695 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
697 test -z "$system_name" && system_name="$cf_cv_system_name"
698 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
700 if test ".$system_name" != ".$cf_cv_system_name" ; then
701 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
702 AC_MSG_ERROR("Please remove config.cache and try again.")
705 dnl ---------------------------------------------------------------------------
706 dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36
707 dnl ---------------------
708 AC_DEFUN([CF_CHECK_GNAT_VERSION],
710 AC_REQUIRE([CF_GNAT_VERSION])
711 case $cf_cv_gnat_version in
712 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
713 cf_cv_prog_gnat_correct=yes
716 AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
717 cf_cv_prog_gnat_correct=no
721 dnl ---------------------------------------------------------------------------
722 dnl CF_CLANG_COMPILER version: 6 updated: 2020/11/26 17:37:55
723 dnl -----------------
724 dnl Check if the given compiler is really clang. clang's C driver defines
725 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
726 dnl not ignore some gcc options.
728 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
729 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
730 dnl the wrappers for gcc and g++ warnings.
732 dnl $1 = GCC (default) or GXX
733 dnl $2 = CLANG_COMPILER (default)
734 dnl $3 = CFLAGS (default) or CXXFLAGS
735 AC_DEFUN([CF_CLANG_COMPILER],[
736 ifelse([$2],,CLANG_COMPILER,[$2])=no
738 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
739 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
740 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
746 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
748 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
749 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
754 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
756 (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
757 AC_MSG_WARN(replacing broken compiler alias $CC)
758 CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
763 AC_MSG_CHECKING(version of $CC)
764 CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
765 test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
766 AC_MSG_RESULT($CLANG_VERSION)
768 for cf_clang_opt in \
770 -Wno-error=implicit-function-declaration
772 AC_MSG_CHECKING(if option $cf_clang_opt works)
773 cf_save_CFLAGS="$CFLAGS"
774 CFLAGS="$CFLAGS $cf_clang_opt"
776 #include <stdio.h>],[
777 printf("hello!\n");],[
778 cf_clang_optok=yes],[
780 AC_MSG_RESULT($cf_clang_optok)
781 CFLAGS="$cf_save_CFLAGS"
782 if test $cf_clang_optok = yes; then
783 CF_VERBOSE(adding option $cf_clang_opt)
784 CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
789 dnl ---------------------------------------------------------------------------
790 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
791 dnl -----------------
792 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
793 dnl character-strings.
795 dnl It is ambiguous because the specification accommodated the pre-ANSI
796 dnl compilers bundled by more than one vendor in lieu of providing a standard C
797 dnl compiler other than by costly add-ons. Because of this, the specification
798 dnl did not take into account the use of const for telling the compiler that
799 dnl string literals would be in readonly memory.
801 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
802 dnl let the compiler decide how to represent Xt's strings which were #define'd.
803 dnl That does not solve the problem of using the block of Xt's strings which
804 dnl are compiled into the library (and is less efficient than one might want).
806 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
807 dnl when compiling the library and compiling using the library, to tell the
808 dnl compiler that String is const.
809 AC_DEFUN([CF_CONST_X_STRING],
811 AC_REQUIRE([AC_PATH_XTRA])
813 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
818 #include <X11/Intrinsic.h>
820 [String foo = malloc(1); (void)foo],[
822 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
825 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
826 #undef XTSTRINGDEFINES /* X11R5 and later */
828 #include <X11/Intrinsic.h>
829 ],[String foo = malloc(1); *foo = 0],[
830 cf_cv_const_x_string=no
832 cf_cv_const_x_string=yes
836 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
838 case $cf_cv_const_x_string in
840 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
843 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
849 dnl ---------------------------------------------------------------------------
850 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
851 dnl -----------------
852 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
853 dnl character-strings.
855 dnl It is ambiguous because the specification accommodated the pre-ANSI
856 dnl compilers bundled by more than one vendor in lieu of providing a standard C
857 dnl compiler other than by costly add-ons. Because of this, the specification
858 dnl did not take into account the use of const for telling the compiler that
859 dnl string literals would be in readonly memory.
861 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
862 dnl let the compiler decide how to represent Xt's strings which were #define'd.
863 dnl That does not solve the problem of using the block of Xt's strings which
864 dnl are compiled into the library (and is less efficient than one might want).
866 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
867 dnl when compiling the library and compiling using the library, to tell the
868 dnl compiler that String is const.
869 AC_DEFUN([CF_CONST_X_STRING],
871 AC_REQUIRE([AC_PATH_XTRA])
873 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
878 #include <X11/Intrinsic.h>
880 [String foo = malloc(1); (void)foo],[
882 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
885 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
886 #undef XTSTRINGDEFINES /* X11R5 and later */
888 #include <X11/Intrinsic.h>
889 ],[String foo = malloc(1); *foo = 0],[
890 cf_cv_const_x_string=no
892 cf_cv_const_x_string=yes
896 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
898 case $cf_cv_const_x_string in
900 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
903 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
909 dnl ---------------------------------------------------------------------------
910 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
912 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
913 dnl variations of ncurses' installs.
915 dnl $1 = ncurses when looking for ncurses, or is empty
916 AC_DEFUN([CF_CURSES_HEADER],[
917 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
918 cf_cv_ncurses_header=none
920 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
921 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
923 AC_TRY_COMPILE([#include <${cf_header}>],
924 [initscr(); tgoto("?", 0,0)],
925 [cf_cv_ncurses_header=$cf_header; break],[])
929 if test "$cf_cv_ncurses_header" = none ; then
930 AC_MSG_ERROR(No curses header-files found)
933 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
934 AC_CHECK_HEADERS($cf_cv_ncurses_header)
936 dnl ---------------------------------------------------------------------------
937 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
939 dnl "dirname" is not portable, so we fake it with a shell script.
940 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
941 dnl ---------------------------------------------------------------------------
942 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
944 dnl You can always use "make -n" to see the actual options, but it's hard to
945 dnl pick out/analyze warning messages when the compile-line is long.
948 dnl ECHO_LT - symbol to control if libtool is verbose
949 dnl ECHO_LD - symbol to prefix "cc -o" lines
950 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
951 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
952 dnl ECHO_CC - symbol to put before any "cc" line
954 AC_DEFUN([CF_DISABLE_ECHO],[
955 AC_MSG_CHECKING(if you want to see long compiling messages)
957 [ --disable-echo do not display "compiling" commands],
960 ECHO_LD='@echo linking [$]@;'
961 RULE_CC='@echo compiling [$]<'
962 SHOW_CC='@echo compiling [$]@'
971 AC_MSG_RESULT($enableval)
978 dnl ---------------------------------------------------------------------------
979 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
980 dnl ------------------------
981 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
982 AC_MSG_CHECKING(if we want to use GNAT projects)
983 CF_ARG_DISABLE(gnat-projects,
984 [ --disable-gnat-projects test: disable GNAT projects even if usable],
985 [enable_gnat_projects=no],
986 [enable_gnat_projects=yes])
987 AC_MSG_RESULT($enable_gnat_projects)
989 dnl ---------------------------------------------------------------------------
990 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
991 dnl -----------------------
992 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
993 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
994 dnl an unconditional feature.
995 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
997 AC_MSG_CHECKING(if you want broken-linker support code)
998 AC_ARG_ENABLE(broken_linker,
999 [ --enable-broken_linker compile with broken-linker support code],
1000 [with_broken_linker=$enableval],
1001 [with_broken_linker=no])
1002 AC_MSG_RESULT($with_broken_linker)
1004 : ${BROKEN_LINKER:=0}
1005 if test "x$with_broken_linker" = xyes ; then
1006 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1009 AC_SUBST(BROKEN_LINKER)
1011 dnl ---------------------------------------------------------------------------
1012 dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
1013 dnl ------------------
1014 dnl Configure-option to enable gcc warnings
1016 dnl $1 = extra options to add, if supported
1017 dnl $2 = option for checking attributes. By default, this is done when
1018 dnl warnings are enabled. For other values:
1019 dnl yes: always do this, e.g., to use in generated library-headers
1020 dnl no: never do this
1021 AC_DEFUN([CF_ENABLE_WARNINGS],[
1022 if ( test "$GCC" = yes || test "$GXX" = yes )
1024 CF_FIX_WARNINGS(CFLAGS)
1025 CF_FIX_WARNINGS(CPPFLAGS)
1026 CF_FIX_WARNINGS(LDFLAGS)
1027 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1028 CF_ARG_ENABLE(warnings,
1029 [ --enable-warnings test: turn on gcc compiler warnings],
1030 [with_warnings=yes],
1032 AC_MSG_RESULT($with_warnings)
1033 if test "$with_warnings" = "yes"
1035 ifelse($2,,[CF_GCC_ATTRIBUTES])
1038 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
1041 dnl ---------------------------------------------------------------------------
1042 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1044 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1045 dnl prefer a standard location, and use -L options only if we do not find the
1046 dnl library in the standard library location(s).
1047 dnl $1 = library name
1048 dnl $2 = library class, usually the same as library name
1050 dnl $4 = code fragment to compile/link
1051 dnl $5 = corresponding function-name
1052 dnl $6 = flag, nonnull if failure should not cause an error-exit
1054 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1055 dnl to use a -L option.
1056 AC_DEFUN([CF_FIND_LIBRARY],
1058 eval 'cf_cv_have_lib_'$1'=no'
1061 eval 'cf_cv_have_lib_'$1'=yes',[
1062 cf_save_LIBS="$LIBS"
1063 AC_MSG_CHECKING(for $5 in -l$1)
1065 AC_TRY_LINK([$3],[$4],
1067 eval 'cf_cv_have_lib_'$1'=yes'
1070 CF_LIBRARY_PATH(cf_search,$2)
1071 for cf_libdir in $cf_search
1073 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1074 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1075 AC_TRY_LINK([$3],[$4],
1077 eval 'cf_cv_have_lib_'$1'=yes'
1080 LIBS="$cf_save_LIBS"])
1084 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1086 if test $cf_found_library = no ; then
1087 AC_MSG_ERROR(Cannot link $1 library)
1091 dnl ---------------------------------------------------------------------------
1092 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1094 dnl Find a library (specifically the linkage used in the code fragment),
1095 dnl searching for it if it is not already in the library path.
1096 dnl See also CF_ADD_SEARCHPATH.
1098 dnl Parameters (4-on are optional):
1099 dnl $1 = headers for library entrypoint
1100 dnl $2 = code fragment for library entrypoint
1101 dnl $3 = the library name without the "-l" option or ".so" suffix.
1102 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1103 dnl $5 = action to perform if not successful
1104 dnl $6 = module name, if not the same as the library name
1105 dnl $7 = extra libraries
1107 dnl Sets these variables:
1108 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1109 dnl $cf_cv_header_path_$3 - include-directory if needed
1110 dnl $cf_cv_library_path_$3 - library-directory if needed
1111 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1112 AC_DEFUN([CF_FIND_LINKAGE],[
1114 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1115 # will be set on completion of the AC_TRY_LINK below.
1116 cf_cv_header_path_$3=
1117 cf_cv_library_path_$3=
1119 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1121 cf_save_LIBS="$LIBS"
1123 AC_TRY_LINK([$1],[$2],[
1124 cf_cv_find_linkage_$3=yes
1125 cf_cv_header_path_$3=/usr/include
1126 cf_cv_library_path_$3=/usr/lib
1129 LIBS="-l$3 $7 $cf_save_LIBS"
1131 AC_TRY_LINK([$1],[$2],[
1132 cf_cv_find_linkage_$3=yes
1133 cf_cv_header_path_$3=/usr/include
1134 cf_cv_library_path_$3=/usr/lib
1135 cf_cv_library_file_$3="-l$3"
1137 cf_cv_find_linkage_$3=no
1138 LIBS="$cf_save_LIBS"
1140 CF_VERBOSE(find linkage for $3 library)
1141 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1143 cf_save_CPPFLAGS="$CPPFLAGS"
1144 cf_test_CPPFLAGS="$CPPFLAGS"
1146 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1147 for cf_cv_header_path_$3 in $cf_search
1149 if test -d $cf_cv_header_path_$3 ; then
1150 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1151 CPPFLAGS="$cf_save_CPPFLAGS"
1152 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1153 AC_TRY_COMPILE([$1],[$2],[
1154 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1155 cf_cv_find_linkage_$3=maybe
1156 cf_test_CPPFLAGS="$CPPFLAGS"
1158 CPPFLAGS="$cf_save_CPPFLAGS"
1163 if test "$cf_cv_find_linkage_$3" = maybe ; then
1165 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1167 cf_save_LIBS="$LIBS"
1168 cf_save_LDFLAGS="$LDFLAGS"
1171 CPPFLAGS="$cf_test_CPPFLAGS"
1172 LIBS="-l$3 $7 $cf_save_LIBS"
1173 AC_TRY_LINK([$1],[$2],[
1174 CF_VERBOSE(... found $3 library in system)
1175 cf_cv_find_linkage_$3=yes])
1176 CPPFLAGS="$cf_save_CPPFLAGS"
1177 LIBS="$cf_save_LIBS"
1180 if test "$cf_cv_find_linkage_$3" != yes ; then
1181 CF_LIBRARY_PATH(cf_search,$3)
1182 for cf_cv_library_path_$3 in $cf_search
1184 if test -d $cf_cv_library_path_$3 ; then
1185 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1186 CPPFLAGS="$cf_test_CPPFLAGS"
1187 LIBS="-l$3 $7 $cf_save_LIBS"
1188 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1189 AC_TRY_LINK([$1],[$2],[
1190 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1191 cf_cv_find_linkage_$3=yes
1192 cf_cv_library_file_$3="-l$3"
1194 CPPFLAGS="$cf_save_CPPFLAGS"
1195 LIBS="$cf_save_LIBS"
1196 LDFLAGS="$cf_save_LDFLAGS"
1200 CPPFLAGS="$cf_save_CPPFLAGS"
1201 LDFLAGS="$cf_save_LDFLAGS"
1205 cf_cv_find_linkage_$3=no
1210 LIBS="$cf_save_LIBS"
1212 if test "$cf_cv_find_linkage_$3" = yes ; then
1214 CF_ADD_INCDIR($cf_cv_header_path_$3)
1215 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1219 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1222 dnl ---------------------------------------------------------------------------
1223 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1224 dnl -----------------
1225 dnl make ADAFLAGS consistent with CFLAGS
1226 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1227 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1235 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1236 CF_ADD_ADAFLAGS($cf_O_flag)
1239 AC_MSG_RESULT($ADAFLAGS)
1241 dnl ---------------------------------------------------------------------------
1242 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
1244 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
1245 dnl "-Werror" flags can interfere with configure-checks. Those go into
1248 dnl $1 = variable name to repair
1249 define([CF_FIX_WARNINGS],[
1250 if ( test "$GCC" = yes || test "$GXX" = yes )
1254 CF_VERBOSE(repairing $1: [$]$1)
1256 for cf_temp_scan in [$]$1
1258 case "x$cf_temp_scan" in
1260 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
1263 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
1268 CF_VERBOSE(... fixed [$]$1)
1269 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1273 AC_SUBST(EXTRA_CFLAGS)
1275 dnl ---------------------------------------------------------------------------
1276 dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
1277 dnl -----------------
1278 dnl Test for availability of useful gcc __attribute__ directives to quiet
1279 dnl compiler warnings. Though useful, not all are supported -- and contrary
1280 dnl to documentation, unrecognized directives cause older compilers to barf.
1281 AC_DEFUN([CF_GCC_ATTRIBUTES],
1283 if ( test "$GCC" = yes || test "$GXX" = yes )
1285 cat > conftest.i <<EOF
1287 #define GCC_PRINTF 0
1292 #ifndef GCC_NORETURN
1293 #define GCC_NORETURN /* nothing */
1296 #define GCC_UNUSED /* nothing */
1299 if test "$GCC" = yes
1301 AC_CHECKING([for $CC __attribute__ directives])
1302 cat > conftest.$ac_ext <<EOF
1303 #line __oline__ "${as_me:-configure}"
1304 #include "confdefs.h"
1305 #include "conftest.h"
1306 #include "conftest.i"
1308 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1310 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1313 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1315 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1317 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1318 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1319 extern void foo(void) GCC_NORETURN;
1320 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1322 cf_printf_attribute=no
1323 cf_scanf_attribute=no
1324 for cf_attribute in scanf printf unused noreturn
1326 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1327 cf_directive="__attribute__(($cf_attribute))"
1328 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1330 case $cf_attribute in
1332 cf_printf_attribute=yes
1333 cat >conftest.h <<EOF
1334 #define GCC_$cf_ATTRIBUTE 1
1338 cf_scanf_attribute=yes
1339 cat >conftest.h <<EOF
1340 #define GCC_$cf_ATTRIBUTE 1
1344 cat >conftest.h <<EOF
1345 #define GCC_$cf_ATTRIBUTE $cf_directive
1350 if AC_TRY_EVAL(ac_compile); then
1351 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1352 cat conftest.h >>confdefs.h
1353 case $cf_attribute in
1355 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1358 cf_value='/* nothing */'
1359 if test "$cf_printf_attribute" != no ; then
1360 cf_value='__attribute__((format(printf,fmt,var)))'
1361 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1363 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1366 cf_value='/* nothing */'
1367 if test "$cf_scanf_attribute" != no ; then
1368 cf_value='__attribute__((format(scanf,fmt,var)))'
1369 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1371 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1374 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1380 fgrep define conftest.i >>confdefs.h
1385 dnl ---------------------------------------------------------------------------
1386 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1388 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1389 dnl compatible), attempt to determine if icc/clang is actually used.
1390 AC_DEFUN([CF_GCC_VERSION],[
1391 AC_REQUIRE([AC_PROG_CC])
1393 if test "$GCC" = yes ; then
1394 AC_MSG_CHECKING(version of $CC)
1395 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1396 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1397 AC_MSG_RESULT($GCC_VERSION)
1399 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1400 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1402 dnl ---------------------------------------------------------------------------
1403 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
1405 dnl Check if the compiler supports useful warning options. There's a few that
1406 dnl we don't use, simply because they're too noisy:
1408 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1409 dnl -Winline (usually not worthwhile)
1410 dnl -Wredundant-decls (system headers make this too noisy)
1411 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1412 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1413 dnl is enabled for ncurses using "--enable-const".
1417 dnl $1 is an optional list of gcc warning flags that a particular
1418 dnl application might want to use, e.g., "no-unused" for
1421 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1423 AC_DEFUN([CF_GCC_WARNINGS],
1425 AC_REQUIRE([CF_GCC_VERSION])
1426 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1427 cat > conftest.$ac_ext <<EOF
1428 #line __oline__ "${as_me:-configure}"
1429 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1431 if test "$INTEL_COMPILER" = yes
1433 # The "-wdXXX" options suppress warnings:
1434 # remark #1419: external declaration in primary source file
1435 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1436 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1437 # remark #193: zero used for undefined preprocessing identifier
1438 # remark #593: variable "curs_sb_left_arrow" was set but never used
1439 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1440 # remark #869: parameter "tw" was never referenced
1441 # remark #981: operands are evaluated in unspecified order
1442 # warning #279: controlling expression is constant
1444 AC_CHECKING([for $CC warning options])
1445 cf_save_CFLAGS="$CFLAGS"
1446 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1458 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1459 if AC_TRY_EVAL(ac_compile); then
1460 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1461 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1464 CFLAGS="$cf_save_CFLAGS"
1465 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1467 AC_CHECKING([for $CC warning options])
1468 cf_save_CFLAGS="$CFLAGS"
1470 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1471 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1472 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1473 for cf_opt in W Wall \
1474 Wbad-function-cast \
1477 Wdeclaration-after-statement \
1480 Wmissing-declarations \
1481 Wmissing-prototypes \
1485 Wstrict-prototypes \
1486 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1488 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1489 if AC_TRY_EVAL(ac_compile); then
1490 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1493 case $GCC_VERSION in
1495 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1500 case $GCC_VERSION in
1502 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1507 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1510 CFLAGS="$cf_save_CFLAGS"
1514 AC_SUBST(EXTRA_CFLAGS)
1516 dnl ---------------------------------------------------------------------------
1517 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1518 dnl -----------------
1519 AC_DEFUN([CF_GNATPREP_OPT_T],[
1520 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1521 cf_cv_gnatprep_opt_t=no
1522 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1524 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1525 AC_SUBST(GNATPREP_OPTS)
1527 dnl ---------------------------------------------------------------------------
1528 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
1529 dnl ----------------
1530 AC_DEFUN([CF_GNAT_GENERICS],
1532 AC_REQUIRE([CF_GNAT_VERSION])
1534 AC_MSG_CHECKING(if GNAT supports generics)
1535 case $cf_cv_gnat_version in
1536 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1537 cf_gnat_generics=yes
1543 AC_MSG_RESULT($cf_gnat_generics)
1545 if test "$cf_gnat_generics" = yes
1547 cf_compile_generics=generics
1548 cf_generic_objects="\${GENOBJS}"
1550 cf_compile_generics=
1554 AC_SUBST(cf_compile_generics)
1555 AC_SUBST(cf_generic_objects)
1557 dnl ---------------------------------------------------------------------------
1558 dnl CF_GNAT_PROJECTS version: 11 updated: 2020/12/05 16:42:18
1559 dnl ----------------
1560 dnl GNAT projects are configured with ".gpr" project files.
1561 dnl GNAT libraries are a further development, using the project feature.
1562 AC_DEFUN([CF_GNAT_PROJECTS],
1564 AC_REQUIRE([CF_GNAT_VERSION])
1565 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1567 cf_gnat_libraries=no
1570 if test "$enable_gnat_projects" != no ; then
1571 AC_MSG_CHECKING(if GNAT supports project files)
1572 case $cf_cv_gnat_version in
1576 case $cf_cv_system_name in
1580 rm -rf conftest* *~conftest*
1581 if mkdir conftest.src conftest.bin conftest.lib
1584 rm -rf conftest* *~conftest*
1585 cat >>library.gpr <<CF_EOF
1587 Kind := External ("LIB_KIND");
1588 for Library_Name use "ConfTest";
1589 for Object_Dir use ".";
1590 for Library_ALI_Dir use External("LIBRARY_DIR");
1591 for Library_Version use External ("SONAME");
1592 for Library_Kind use Kind;
1593 for Library_Dir use External("BUILD_DIR");
1594 Source_Dir := External ("SOURCE_DIR");
1595 for Source_Dirs use (Source_Dir);
1598 cat >>confpackage.ads <<CF_EOF
1599 package ConfPackage is
1603 cat >>confpackage.adb <<CF_EOF
1605 package body ConfPackage is
1606 procedure conftest is
1608 Text_IO.Put ("Hello World");
1613 if ( $cf_ada_make $ADAFLAGS \
1615 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1616 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1617 -XSOURCE_DIR=`pwd` \
1618 -XSONAME=libConfTest.so.1 \
1619 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1620 cf_gnat_projects=yes
1624 if test -f conftest.lib/confpackage.ali
1626 cf_gnat_libraries=yes
1628 rm -rf conftest* *~conftest*
1633 AC_MSG_RESULT($cf_gnat_projects)
1634 fi # enable_gnat_projects
1636 if test $cf_gnat_projects = yes
1638 AC_MSG_CHECKING(if GNAT supports libraries)
1639 AC_MSG_RESULT($cf_gnat_libraries)
1642 USE_OLD_MAKERULES=""
1643 USE_GNAT_PROJECTS="#"
1644 USE_GNAT_MAKE_GPR="#"
1645 USE_GNAT_GPRBUILD="#"
1647 if test "$cf_gnat_projects" = yes
1649 USE_OLD_MAKERULES="#"
1650 USE_GNAT_PROJECTS=""
1651 if test "$cf_cv_VERSION_GPRBUILD" != no
1653 USE_GNAT_GPRBUILD=""
1654 elif test "$cf_cv_VERSION_GNATMAKE" != no
1656 USE_GNAT_MAKE_GPR=""
1658 AC_MSG_WARN(use old makefile rules since tools are missing)
1662 if test "$cf_gnat_libraries" = yes
1664 USE_GNAT_LIBRARIES=""
1666 USE_GNAT_LIBRARIES="#"
1669 AC_SUBST(USE_OLD_MAKERULES)
1670 AC_SUBST(USE_GNAT_PROJECTS)
1671 AC_SUBST(USE_GNAT_LIBRARIES)
1672 AC_SUBST(USE_GNAT_MAKE_GPR)
1673 AC_SUBST(USE_GNAT_GPRBUILD)
1675 dnl ---------------------------------------------------------------------------
1676 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1678 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1679 dnl is noted that gnat may compile a tasking unit even for configurations which
1680 dnl fail at runtime.
1681 AC_DEFUN([CF_GNAT_SIGINT],[
1682 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1683 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1687 pragma Warnings (Off); -- the next pragma exists since 3.11p
1688 pragma Unreserve_All_Interrupts;
1689 pragma Warnings (On);
1691 protected Process is
1693 function Continue return Boolean;
1694 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1696 Done : Boolean := False;
1700 [package body ConfTest is
1701 protected body Process is
1706 function Continue return Boolean is
1712 [cf_cv_gnat_sigint=yes],
1713 [cf_cv_gnat_sigint=no])])
1715 if test $cf_cv_gnat_sigint = yes ; then
1720 AC_SUBST(USE_GNAT_SIGINT)
1722 dnl ---------------------------------------------------------------------------
1723 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1724 dnl ----------------
1725 dnl Verify that a test program compiles/links with GNAT.
1726 dnl $cf_ada_make is set to the program that compiles/links
1727 dnl $ADAFLAGS may be set to the GNAT flags.
1729 dnl $1 is the text of the spec
1730 dnl $2 is the text of the body
1731 dnl $3 is the shell command to execute if successful
1732 dnl $4 is the shell command to execute if not successful
1733 AC_DEFUN([CF_GNAT_TRY_LINK],
1735 rm -rf conftest* *~conftest*
1736 cat >>conftest.ads <<CF_EOF
1739 cat >>conftest.adb <<CF_EOF
1742 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1743 ifelse($3,, :,[ $3])
1747 rm -rf conftest* *~conftest*
1749 dnl ---------------------------------------------------------------------------
1750 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1752 dnl Verify that a test program compiles and runs with GNAT
1753 dnl $cf_ada_make is set to the program that compiles/links
1754 dnl $ADAFLAGS may be set to the GNAT flags.
1756 dnl $1 is the text of the spec
1757 dnl $2 is the text of the body
1758 dnl $3 is the shell command to execute if successful
1759 dnl $4 is the shell command to execute if not successful
1760 AC_DEFUN([CF_GNAT_TRY_RUN],
1762 rm -rf conftest* *~conftest*
1763 cat >>conftest.ads <<CF_EOF
1766 cat >>conftest.adb <<CF_EOF
1769 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1770 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1771 ifelse($3,, :,[ $3])
1778 rm -rf conftest* *~conftest*
1780 dnl ---------------------------------------------------------------------------
1781 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1783 dnl $1 = cache variable to update
1784 dnl $2 = program name
1785 dnl Verify version of GNAT or related tool
1786 AC_DEFUN([CF_GNAT_VERSION],
1788 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1789 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1790 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1791 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1793 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1794 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1796 dnl ---------------------------------------------------------------------------
1797 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1799 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1800 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1801 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1802 dnl since it is interwoven with GNU extensions.
1804 dnl Well, yes we could work around it...
1807 dnl $1 is the nominal value for _XOPEN_SOURCE
1808 AC_DEFUN([CF_GNU_SOURCE],
1810 cf_gnu_xopen_source=ifelse($1,,500,$1)
1812 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1813 AC_TRY_COMPILE([#include <sys/types.h>],[
1814 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1816 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1819 # error not GNU C library
1821 [cf_cv_gnu_library=yes],
1822 [cf_cv_gnu_library=no])
1825 if test x$cf_cv_gnu_library = xyes; then
1827 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1828 # was changed to help a little. newlib incorporated the change about 4
1830 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1832 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1833 AC_TRY_COMPILE([#include <sys/types.h>],[
1834 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1836 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1839 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1841 [cf_cv_gnu_library_219=yes],
1842 [cf_cv_gnu_library_219=no])
1846 if test "x$cf_cv_gnu_library_219" = xyes; then
1848 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1849 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1852 #include <sys/types.h>
1854 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1857 # error GNU C library is too old
1859 [cf_cv_gnu_dftsrc_219=yes],
1860 [cf_cv_gnu_dftsrc_219=no])
1862 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1864 cf_cv_gnu_dftsrc_219=maybe
1867 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1869 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1870 AC_TRY_COMPILE([#include <sys/types.h>],[
1871 #ifndef _XOPEN_SOURCE
1872 #error expected _XOPEN_SOURCE to be defined
1874 [cf_cv_gnu_source=no],
1875 [cf_save="$CPPFLAGS"
1876 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1877 AC_TRY_COMPILE([#include <sys/types.h>],[
1878 #ifdef _XOPEN_SOURCE
1879 #error expected _XOPEN_SOURCE to be undefined
1881 [cf_cv_gnu_source=no],
1882 [cf_cv_gnu_source=yes])
1887 if test "$cf_cv_gnu_source" = yes
1889 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1890 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1891 AC_TRY_COMPILE([#include <sys/types.h>],[
1892 #ifdef _DEFAULT_SOURCE
1893 #error expected _DEFAULT_SOURCE to be undefined
1895 [cf_cv_default_source=no],
1896 [cf_cv_default_source=yes])
1898 if test "$cf_cv_default_source" = yes
1900 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1907 dnl ---------------------------------------------------------------------------
1908 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1910 dnl Construct a search-list of directories for a nonstandard header-file
1913 dnl $1 = the variable to return as result
1914 dnl $2 = the package name
1915 AC_DEFUN([CF_HEADER_PATH],
1919 # collect the current set of include-directories from compiler flags
1920 cf_header_path_list=""
1921 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1922 for cf_header_path in $CPPFLAGS $CFLAGS
1924 case $cf_header_path in
1926 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1927 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1928 cf_header_path_list="$cf_header_path_list [$]$1"
1934 # add the variations for the package we are looking for
1935 CF_SUBDIR_PATH($1,$2,include)
1937 test "$includedir" != NONE && \
1938 test "$includedir" != "/usr/include" && \
1939 test -d "$includedir" && {
1940 test -d $includedir && $1="[$]$1 $includedir"
1941 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1944 test "$oldincludedir" != NONE && \
1945 test "$oldincludedir" != "/usr/include" && \
1946 test -d "$oldincludedir" && {
1947 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1948 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1951 $1="[$]$1 $cf_header_path_list"
1953 dnl ---------------------------------------------------------------------------
1954 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1956 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1957 AC_DEFUN([CF_HELP_MESSAGE],
1958 [CF_ACVERSION_CHECK(2.53,[],[
1959 AC_DIVERT_HELP($1)])dnl
1961 dnl ---------------------------------------------------------------------------
1962 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1964 dnl Construct the list of include-options according to whether we're building
1965 dnl in the source directory or using '--srcdir=DIR' option.
1966 AC_DEFUN([CF_INCLUDE_DIRS],
1968 if test "$srcdir" != "."; then
1969 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1971 CPPFLAGS="-I../include $CPPFLAGS"
1972 if test "$srcdir" != "."; then
1973 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1975 CPPFLAGS="-I. $CPPFLAGS"
1978 dnl ---------------------------------------------------------------------------
1979 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1981 dnl prompt for/fill-in useful install-program options
1982 AC_DEFUN([CF_INSTALL_OPTS],
1988 dnl ---------------------------------------------------------------------------
1989 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1990 dnl ----------------
1991 dnl Almost all "install" programs default to the current user's ownership.
1992 dnl Almost - MINIX is an exception.
1993 AC_DEFUN([CF_INSTALL_OPT_O],
1995 AC_MSG_CHECKING(if install needs to be told about ownership)
1996 case `$ac_config_guess` in
2005 AC_MSG_RESULT($with_install_o)
2006 if test "x$with_install_o" = xyes
2008 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'`
2013 AC_SUBST(INSTALL_OPT_O)
2015 dnl ---------------------------------------------------------------------------
2016 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
2017 dnl ----------------
2018 dnl Some install-programs accept a "-p" option to preserve file modification
2019 dnl timestamps. That can be useful as an install option, as well as a way to
2020 dnl avoid the need for ranlib after copying a static archive.
2021 AC_DEFUN([CF_INSTALL_OPT_P],
2023 : ${INSTALL:=install}
2024 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
2029 if $INSTALL -p conftest.in conftest.out 2>/dev/null
2031 if test -f conftest.out/conftest.in
2033 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
2034 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
2035 if test -s conftest.err
2050 dnl ---------------------------------------------------------------------------
2051 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
2052 dnl ----------------
2053 dnl By default, we should strip executables which are installed, but leave the
2054 dnl ability to suppress that for unit-testing.
2055 AC_DEFUN([CF_INSTALL_OPT_S],
2057 AC_MSG_CHECKING(if you want to install stripped executables)
2058 CF_ARG_DISABLE(stripping,
2059 [ --disable-stripping do not strip (debug info) installed executables],
2060 [with_stripping=no],
2061 [with_stripping=yes])
2062 AC_MSG_RESULT($with_stripping)
2064 if test "$with_stripping" = yes
2070 AC_SUBST(INSTALL_OPT_S)
2072 dnl ---------------------------------------------------------------------------
2073 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2074 dnl -----------------
2075 dnl Check if the given compiler is really the Intel compiler for Linux. It
2076 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2077 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2079 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2080 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2081 dnl the wrappers for gcc and g++ warnings.
2083 dnl $1 = GCC (default) or GXX
2084 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2085 dnl $3 = CFLAGS (default) or CXXFLAGS
2086 AC_DEFUN([CF_INTEL_COMPILER],[
2087 AC_REQUIRE([AC_CANONICAL_HOST])
2088 ifelse([$2],,INTEL_COMPILER,[$2])=no
2090 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2093 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2094 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2095 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2097 #ifdef __INTEL_COMPILER
2101 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2102 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2104 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2105 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2110 dnl ---------------------------------------------------------------------------
2111 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2113 dnl Add checks for large file support.
2114 AC_DEFUN([CF_LARGEFILE],[
2115 ifdef([AC_FUNC_FSEEKO],[
2117 if test "$enable_largefile" != no ; then
2120 # Normally we would collect these definitions in the config.h,
2121 # but (like _XOPEN_SOURCE), some environments rely on having these
2122 # defined before any of the system headers are included. Another
2123 # case comes up with C++, e.g., on AIX the compiler compiles the
2124 # header files by themselves before looking at the body files it is
2125 # told to compile. For ncurses, those header files do not include
2127 if test "$ac_cv_sys_large_files" != no
2129 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2131 if test "$ac_cv_sys_largefile_source" != no
2133 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2135 if test "$ac_cv_sys_file_offset_bits" != no
2137 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2140 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2142 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2143 #include <sys/types.h>
2146 /* if transitional largefile support is setup, this is true */
2147 extern struct dirent64 * readdir(DIR *);
2148 struct dirent64 *x = readdir((DIR *)0);
2149 struct dirent *y = readdir((DIR *)0);
2153 [cf_cv_struct_dirent64=yes],
2154 [cf_cv_struct_dirent64=no])
2156 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2160 dnl ---------------------------------------------------------------------------
2161 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
2163 dnl For the given system and compiler, find the compiler flags to pass to the
2164 dnl loader to use the "rpath" feature.
2165 AC_DEFUN([CF_LD_RPATH_OPT],
2167 AC_REQUIRE([CF_CHECK_CACHE])
2170 if test "x$cf_cv_enable_rpath" != xno
2172 AC_MSG_CHECKING(for an rpath option)
2173 case $cf_cv_system_name in
2175 if test "$GCC" = yes; then
2176 LD_RPATH_OPT="-Wl,-rpath,"
2178 LD_RPATH_OPT="-rpath "
2181 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2182 LD_RPATH_OPT="-Wl,-rpath,"
2184 (openbsd[[2-9]].*|mirbsd*)
2185 LD_RPATH_OPT="-Wl,-rpath,"
2188 LD_RPATH_OPT="-rpath "
2191 LD_RPATH_OPT="-Wl,-rpath,"
2194 LD_RPATH_OPT="-rpath "
2202 AC_MSG_RESULT($LD_RPATH_OPT)
2204 case "x$LD_RPATH_OPT" in
2206 AC_MSG_CHECKING(if we need a space after rpath option)
2207 cf_save_LIBS="$LIBS"
2208 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2209 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2210 LIBS="$cf_save_LIBS"
2211 AC_MSG_RESULT($cf_rpath_space)
2212 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2217 dnl ---------------------------------------------------------------------------
2218 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2220 dnl Construct a search-list of directories for a nonstandard library-file
2223 dnl $1 = the variable to return as result
2224 dnl $2 = the package name
2225 AC_DEFUN([CF_LIBRARY_PATH],
2228 cf_library_path_list=""
2229 if test -n "${LDFLAGS}${LIBS}" ; then
2230 for cf_library_path in $LDFLAGS $LIBS
2232 case $cf_library_path in
2234 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2235 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2236 cf_library_path_list="$cf_library_path_list [$]$1"
2242 CF_SUBDIR_PATH($1,$2,lib)
2244 $1="$cf_library_path_list [$]$1"
2246 dnl ---------------------------------------------------------------------------
2247 dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
2249 dnl Compute the library-prefix for the given host system
2250 dnl $1 = variable to set
2251 define([CF_LIB_PREFIX],
2253 case $cf_cv_system_name in
2255 if test "$DFT_LWR_MODEL" = libtool; then
2264 (*) LIB_PREFIX='lib'
2267 ifelse($1,,,[$1=$LIB_PREFIX])
2268 AC_SUBST(LIB_PREFIX)
2270 dnl ---------------------------------------------------------------------------
2271 dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47
2273 dnl Compute the library file-suffix from the given model name
2275 dnl $2 = variable to set (the nominal library suffix)
2276 dnl $3 = dependency variable to set (actual filename)
2277 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2278 AC_DEFUN([CF_LIB_SUFFIX],
2286 case $cf_cv_system_name in
2297 case $cf_cv_system_name in
2308 case $cf_cv_system_name in
2317 (cygwin*|msys*|mingw*)
2355 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2357 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2358 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2361 dnl ---------------------------------------------------------------------------
2362 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2364 dnl Compute the string to append to -library from the given model name
2366 dnl $2 = variable to set
2367 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2368 AC_DEFUN([CF_LIB_TYPE],
2374 (profile) $2='_p' ;;
2377 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2379 dnl ---------------------------------------------------------------------------
2380 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2381 dnl ----------------
2382 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2383 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2384 dnl have to provide wrappers for global tables to ensure they're linked
2386 AC_DEFUN([CF_LINK_DATAONLY],
2388 AC_MSG_CHECKING([if data-only library module links])
2389 AC_CACHE_VAL(cf_cv_link_dataonly,[
2391 cat >conftest.$ac_ext <<EOF
2392 #line __oline__ "configure"
2393 int testdata[[3]] = { 123, 456, 789 };
2395 if AC_TRY_EVAL(ac_compile) ; then
2396 mv conftest.o data.o && \
2397 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2399 rm -f conftest.$ac_ext data.o
2400 cat >conftest.$ac_ext <<EOF
2401 #line __oline__ "configure"
2405 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2407 extern int testdata[[3]];
2408 return testdata[[0]] == 123
2409 && testdata[[1]] == 456
2410 && testdata[[2]] == 789;
2414 if AC_TRY_EVAL(ac_compile); then
2415 mv conftest.o func.o && \
2416 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2418 rm -f conftest.$ac_ext func.o
2419 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2421 LIBS="conftest.a $LIBS"
2425 extern int testfunc();
2426 ${cf_cv_main_return:-return} (!testfunc());
2429 [cf_cv_link_dataonly=yes],
2430 [cf_cv_link_dataonly=no],
2431 [cf_cv_link_dataonly=unknown])
2434 AC_MSG_RESULT($cf_cv_link_dataonly)
2436 if test "$cf_cv_link_dataonly" = no ; then
2437 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2440 AC_SUBST(BROKEN_LINKER)
2443 dnl ---------------------------------------------------------------------------
2444 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2446 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2447 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2448 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2449 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2450 AC_DEFUN([CF_MAKEFLAGS],
2452 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2454 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2456 cat >cf_makeflags.tmp <<CF_EOF
2459 @ echo '.$cf_option'
2461 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2462 case "$cf_result" in
2464 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2465 case "$cf_result" in
2466 (.*CC=*) cf_cv_makeflags=
2468 (*) cf_cv_makeflags=$cf_option
2476 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2480 rm -f cf_makeflags.tmp
2483 AC_SUBST(cf_cv_makeflags)
2485 dnl ---------------------------------------------------------------------------
2486 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2488 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2489 dnl a monocase filesystem.
2490 AC_DEFUN([CF_MAKE_TAGS],[
2491 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2493 AC_CHECK_PROGS(CTAGS, exctags ctags)
2494 AC_CHECK_PROGS(ETAGS, exetags etags)
2496 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2498 if test "$cf_cv_mixedcase" = yes ; then
2499 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2504 if test "$MAKE_UPPER_TAGS" = yes ; then
2510 if test "$MAKE_LOWER_TAGS" = yes ; then
2519 AC_SUBST(MAKE_UPPER_TAGS)
2520 AC_SUBST(MAKE_LOWER_TAGS)
2522 dnl ---------------------------------------------------------------------------
2523 dnl CF_MIXEDCASE_FILENAMES version: 8 updated: 2020/11/14 10:12:15
2524 dnl ----------------------
2525 dnl Check if the file-system supports mixed-case filenames. If we're able to
2526 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2527 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2529 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2530 if test "$cross_compiling" = yes ; then
2531 case $target_alias in
2532 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
2540 rm -f conftest CONFTEST
2542 if test -f CONFTEST ; then
2547 rm -f conftest CONFTEST
2550 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2552 dnl ---------------------------------------------------------------------------
2553 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2555 dnl Check for a working mkstemp. This creates two files, checks that they are
2556 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2557 AC_DEFUN([CF_MKSTEMP],[
2561 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2564 #include <sys/types.h>
2565 #ifdef HAVE_UNISTD_H
2571 #include <sys/stat.h>
2574 char *tmpl = "conftestXXXXXX";
2582 for (n = 0; n < 2; ++n) {
2583 strcpy(name[n], tmpl);
2584 if ((fd = mkstemp(name[n])) >= 0) {
2585 if (!strcmp(name[n], tmpl)
2586 || stat(name[n], &sb) != 0
2587 || (sb.st_mode & S_IFMT) != S_IFREG
2588 || (sb.st_mode & 077) != 0) {
2595 && !strcmp(name[0], name[1]))
2597 ${cf_cv_main_return:-return}(result);
2599 ],[cf_cv_func_mkstemp=yes
2600 ],[cf_cv_func_mkstemp=no
2601 ],[cf_cv_func_mkstemp=maybe])
2603 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2604 AC_CHECK_FUNC(mkstemp)
2606 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2607 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2610 dnl ---------------------------------------------------------------------------
2611 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2613 dnl Write a debug message to config.log, along with the line number in the
2614 dnl configure script.
2615 AC_DEFUN([CF_MSG_LOG],[
2616 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2618 dnl ---------------------------------------------------------------------------
2619 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2620 dnl ----------------
2621 dnl Configure an ncurses add-on, built outside the ncurses tree.
2622 AC_DEFUN([CF_NCURSES_ADDON],[
2623 AC_REQUIRE([CF_NCURSES_CONFIG])
2625 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2627 AC_MSG_CHECKING(if you want wide-character code)
2628 AC_ARG_ENABLE(widec,
2629 [ --enable-widec compile with wide-char/UTF-8 code],
2630 [with_widec=$enableval],
2632 AC_MSG_RESULT($with_widec)
2633 if test "$with_widec" = yes ; then
2635 CF_NCURSES_CONFIG(ncursesw)
2637 CF_NCURSES_CONFIG(ncurses)
2640 if test "$NCURSES_CONFIG_PKG" != none ; then
2641 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2643 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2644 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2645 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2647 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2648 if test -z "$cf_cv_abi_version"
2650 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2653 elif test "$NCURSES_CONFIG" != none ; then
2655 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2657 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2658 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2659 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2661 # ABI version is not available from headers
2662 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2666 for cf_name in MAJOR MINOR PATCH
2668 cat >conftest.$ac_ext <<CF_EOF
2669 #include <${cf_cv_ncurses_header:-curses.h}>
2670 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2672 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2674 if test -f conftest.out ; then
2675 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2676 eval NCURSES_$cf_name=\"$cf_result\"
2677 # cat conftest.$ac_ext
2682 cf_cv_abi_version=${NCURSES_MAJOR}
2686 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2688 dnl Show the computed version, for logging
2689 cf_cv_timestamp=`date`
2691 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2693 dnl We need these values in the generated headers
2694 AC_SUBST(NCURSES_MAJOR)
2695 AC_SUBST(NCURSES_MINOR)
2696 AC_SUBST(NCURSES_PATCH)
2698 dnl We need these values in the generated makefiles
2699 AC_SUBST(cf_cv_rel_version)
2700 AC_SUBST(cf_cv_abi_version)
2702 dnl FIXME - not needed for Ada95
2703 AC_SUBST(cf_cv_builtin_bool)
2704 AC_SUBST(cf_cv_header_stdbool_h)
2705 AC_SUBST(cf_cv_type_of_bool)dnl
2708 dnl ---------------------------------------------------------------------------
2709 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2710 dnl -------------------
2711 dnl Check if we can compile with ncurses' header file
2712 dnl $1 is the cache variable to set
2713 dnl $2 is the header-file to include
2714 dnl $3 is the root name (ncurses or ncursesw)
2715 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2717 ]ifelse($3,ncursesw,[
2718 #define _XOPEN_SOURCE_EXTENDED
2719 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2720 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2723 #ifdef NCURSES_VERSION
2724 ]ifelse($3,ncursesw,[
2729 printf("%s\n", NCURSES_VERSION);
2741 dnl ---------------------------------------------------------------------------
2742 dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
2743 dnl -----------------
2744 dnl Tie together the configure-script macros for ncurses, preferring these in
2746 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2747 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2748 dnl c) just plain libraries
2750 dnl $1 is the root library name (default: "ncurses")
2751 AC_DEFUN([CF_NCURSES_CONFIG],[
2752 AC_REQUIRE([CF_PKG_CONFIG])
2753 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2754 cf_have_ncuconfig=no
2756 if test "x${PKG_CONFIG:=none}" != xnone; then
2757 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2758 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2761 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2762 cf_have_ncuconfig=unknown
2764 cf_save_CFLAGS="$CFLAGS"
2765 cf_save_CPPFLAGS="$CPPFLAGS"
2766 cf_save_LIBS="$LIBS"
2768 cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
2769 cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
2771 # while -W for passing linker flags is prevalent, it is not "standard".
2772 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2773 # incompatible _and_ non-standard -W option which gives an error. Work
2774 # around that pitfall.
2775 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2777 CF_ADD_CFLAGS($cf_pkg_cflags)
2778 CF_ADD_LIBS($cf_pkg_libs)
2780 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2781 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2782 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2784 { char *xx = curses_version(); return (xx == 0); }],
2785 [cf_test_ncuconfig=yes],
2786 [cf_test_ncuconfig=no],
2787 [cf_test_ncuconfig=maybe])],
2788 [cf_test_ncuconfig=no])
2790 CFLAGS="$cf_save_CFLAGS"
2791 CPPFLAGS="$cf_save_CPPFLAGS"
2792 LIBS="$cf_save_LIBS"
2794 if test "x$cf_test_ncuconfig" != xyes; then
2795 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2796 cf_pkg_cflags="$cf_temp"
2797 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2798 cf_pkg_libs="$cf_temp"
2803 CF_ADD_CFLAGS($cf_pkg_cflags)
2804 CF_ADD_LIBS($cf_pkg_libs)
2806 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2807 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2808 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2810 { char *xx = curses_version(); return (xx == 0); }],
2811 [cf_have_ncuconfig=yes],
2812 [cf_have_ncuconfig=no],
2813 [cf_have_ncuconfig=maybe])],
2814 [cf_have_ncuconfig=no])
2815 AC_MSG_RESULT($cf_have_ncuconfig)
2816 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2817 if test "$cf_have_ncuconfig" != "yes"
2819 CPPFLAGS="$cf_save_CPPFLAGS"
2820 LIBS="$cf_save_LIBS"
2821 NCURSES_CONFIG_PKG=none
2823 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2824 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2830 NCURSES_CONFIG_PKG=none
2833 NCURSES_CONFIG_PKG=none
2836 if test "x$cf_have_ncuconfig" = "xno"; then
2837 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2839 CF_ACVERSION_CHECK(2.52,
2840 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2841 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2843 if test "$NCURSES_CONFIG" != none ; then
2845 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2846 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2848 # even with config script, some packages use no-override for curses.h
2849 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2851 dnl like CF_NCURSES_CPPFLAGS
2852 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2854 dnl like CF_NCURSES_LIBS
2855 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2856 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2858 dnl like CF_NCURSES_VERSION
2859 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2863 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2864 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2871 dnl ---------------------------------------------------------------------------
2872 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2873 dnl -------------------
2874 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2875 dnl the CPPFLAGS variable so we can include its header.
2877 dnl The header files may be installed as either curses.h, or ncurses.h (would
2878 dnl be obsolete, except that some packagers prefer this name to distinguish it
2879 dnl from a "native" curses implementation). If not installed for overwrite,
2880 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2881 dnl /usr/include/ncurses), but someone may have installed overwriting the
2882 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2883 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2886 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2887 dnl is already in the include-path, don't even bother with this, since we cannot
2888 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2890 dnl The optional parameter gives the root name of the library, in case it is
2891 dnl not installed as the default curses library. That is how the
2892 dnl wide-character version of ncurses is installed.
2893 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2894 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2896 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2897 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2899 test -n "$cf_cv_curses_dir" && \
2900 test "$cf_cv_curses_dir" != "no" && { \
2901 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2904 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2905 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2906 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2907 for cf_header in $cf_header_list
2909 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2910 test "$cf_cv_ncurses_h" != no && break
2917 # some applications need this, but should check for NCURSES_VERSION
2918 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2922 dnl ---------------------------------------------------------------------------
2923 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2924 dnl -----------------
2925 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2926 dnl variations of ncurses' installs.
2928 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2929 AC_DEFUN([CF_NCURSES_HEADER],[
2931 if test "$cf_cv_ncurses_h" != no ; then
2932 cf_cv_ncurses_header=$cf_cv_ncurses_h
2935 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2936 test -n "$verbose" && echo
2937 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2938 test -n "$verbose" && echo search path $cf_search
2939 cf_save2_CPPFLAGS="$CPPFLAGS"
2940 for cf_incdir in $cf_search
2942 CF_ADD_INCDIR($cf_incdir)
2947 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2948 if test "$cf_cv_ncurses_h2" != no ; then
2949 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2950 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2953 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2955 CPPFLAGS="$cf_save2_CPPFLAGS"
2956 test "$cf_cv_ncurses_h2" != no && break
2958 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2961 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2962 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2963 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2964 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2966 CF_ADD_INCDIR($cf_1st_incdir)
2970 # Set definitions to allow ifdef'ing for ncurses.h
2972 case $cf_cv_ncurses_header in
2974 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2978 case $cf_cv_ncurses_header in
2979 (ncurses/curses.h|ncurses/ncurses.h)
2980 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2982 (ncursesw/curses.h|ncursesw/ncurses.h)
2983 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2988 dnl ---------------------------------------------------------------------------
2989 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2991 dnl Look for the ncurses library. This is a little complicated on Linux,
2992 dnl because it may be linked with the gpm (general purpose mouse) library.
2993 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2994 dnl unusable with ncurses. However, we don't want to link with gpm unless
2995 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2996 dnl and the linker will record a dependency.
2998 dnl The optional parameter gives the root name of the library, in case it is
2999 dnl not installed as the default curses library. That is how the
3000 dnl wide-character version of ncurses is installed.
3001 AC_DEFUN([CF_NCURSES_LIBS],
3002 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
3004 cf_nculib_root=ifelse($1,,ncurses,$1)
3005 # This works, except for the special case where we find gpm, but
3006 # ncurses is in a nonstandard location via $LIBS, and we really want
3009 cf_ncurses_SAVE="$LIBS"
3010 AC_CHECK_LIB(gpm,Gpm_Open,
3011 [AC_CHECK_LIB(gpm,initscr,
3012 [LIBS="$cf_ncurses_SAVE"],
3013 [cf_ncurses_LIBS="-lgpm"])])
3017 # This is only necessary if you are linking against an obsolete
3018 # version of ncurses (but it should do no harm, since it's static).
3019 if test "$cf_nculib_root" = ncurses ; then
3020 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
3025 CF_ADD_LIBS($cf_ncurses_LIBS)
3027 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3029 CF_ADD_LIBS(-l$cf_nculib_root)
3031 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
3032 [#include <${cf_cv_ncurses_header:-curses.h}>],
3037 if test -n "$cf_ncurses_LIBS" ; then
3038 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
3039 cf_ncurses_SAVE="$LIBS"
3040 for p in $cf_ncurses_LIBS ; do
3041 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
3042 if test "$q" != "$LIBS" ; then
3046 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
3047 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
3048 [AC_MSG_RESULT(yes)],
3050 LIBS="$cf_ncurses_SAVE"])
3053 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3054 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3056 dnl ---------------------------------------------------------------------------
3057 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
3058 dnl ------------------
3059 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3060 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
3061 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3062 AC_DEFUN([CF_NCURSES_VERSION],
3064 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3065 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3066 cf_cv_ncurses_version=no
3070 #include <${cf_cv_ncurses_header:-curses.h}>
3074 FILE *fp = fopen("$cf_tempfile", "w");
3075 #ifdef NCURSES_VERSION
3076 # ifdef NCURSES_VERSION_PATCH
3077 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3079 fprintf(fp, "%s\n", NCURSES_VERSION);
3083 fprintf(fp, "old\n");
3088 ${cf_cv_main_return:-return}(0);
3090 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3092 # This will not work if the preprocessor splits the line after the
3093 # Autoconf token. The 'unproto' program does that.
3094 cat > conftest.$ac_ext <<EOF
3095 #include <${cf_cv_ncurses_header:-curses.h}>
3097 #ifdef NCURSES_VERSION
3098 Autoconf NCURSES_VERSION
3106 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3108 if test -f conftest.out ; then
3109 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
3110 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3116 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3118 dnl ---------------------------------------------------------------------------
3119 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
3121 dnl Compute the object-directory name from the given model name
3122 AC_DEFUN([CF_OBJ_SUBDIR],
3125 (libtool) $2='obj_lo' ;;
3126 (normal) $2='objects' ;;
3127 (debug) $2='obj_g' ;;
3128 (profile) $2='obj_p' ;;
3130 case $cf_cv_system_name in
3138 dnl ---------------------------------------------------------------------------
3139 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
3141 dnl Provide a value for the $PATH and similar separator (or amend the value
3142 dnl as provided in autoconf 2.5x).
3143 AC_DEFUN([CF_PATHSEP],
3145 AC_MSG_CHECKING(for PATH separator)
3146 case $cf_cv_system_name in
3147 (os2*) PATH_SEPARATOR=';' ;;
3148 (*) ${PATH_SEPARATOR:=':'} ;;
3150 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3151 AC_SUBST(PATH_SEPARATOR)
3152 AC_MSG_RESULT($PATH_SEPARATOR)
3154 dnl ---------------------------------------------------------------------------
3155 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
3157 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3158 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3159 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3160 dnl delayed evaluation of those symbols.
3161 AC_DEFUN([CF_PATH_SYNTAX],[
3162 if test "x$prefix" != xNONE; then
3163 cf_path_syntax="$prefix"
3165 cf_path_syntax="$ac_default_prefix"
3169 (.\[$]\(*\)*|.\'*\'*)
3173 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3175 (.\[$]{*prefix}*|.\[$]{*dir}*)
3179 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3184 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3187 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3191 dnl ---------------------------------------------------------------------------
3192 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
3194 dnl Check for the package-config program, unless disabled by command-line.
3195 AC_DEFUN([CF_PKG_CONFIG],
3197 AC_MSG_CHECKING(if you want to use pkg-config)
3198 AC_ARG_WITH(pkg-config,
3199 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3200 [cf_pkg_config=$withval],
3201 [cf_pkg_config=yes])
3202 AC_MSG_RESULT($cf_pkg_config)
3204 case $cf_pkg_config in
3209 CF_ACVERSION_CHECK(2.52,
3210 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3211 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3218 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3219 if test "$PKG_CONFIG" != none ; then
3220 CF_PATH_SYNTAX(PKG_CONFIG)
3221 elif test "x$cf_pkg_config" != xno ; then
3222 AC_MSG_WARN(pkg-config is not installed)
3225 AC_SUBST(PKG_CONFIG)
3227 dnl ---------------------------------------------------------------------------
3228 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3229 dnl -----------------
3230 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3232 dnl POSIX.1-1990 _POSIX_SOURCE
3233 dnl POSIX.1-1990 and _POSIX_SOURCE and
3234 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3236 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3237 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3238 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3241 dnl $1 is the nominal value for _POSIX_C_SOURCE
3242 AC_DEFUN([CF_POSIX_C_SOURCE],
3243 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3245 if test "$cf_cv_posix_visible" = no; then
3247 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3249 cf_save_CFLAGS="$CFLAGS"
3250 cf_save_CPPFLAGS="$CPPFLAGS"
3252 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3253 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3255 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3256 CF_MSG_LOG(if the symbol is already defined go no further)
3257 AC_TRY_COMPILE([#include <sys/types.h>],[
3258 #ifndef _POSIX_C_SOURCE
3261 [cf_cv_posix_c_source=no],
3262 [cf_want_posix_source=no
3263 case .$cf_POSIX_C_SOURCE in
3265 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3268 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3269 cf_want_posix_source=yes
3272 cf_want_posix_source=yes
3275 if test "$cf_want_posix_source" = yes ; then
3276 AC_TRY_COMPILE([#include <sys/types.h>],[
3277 #ifdef _POSIX_SOURCE
3280 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3282 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3283 CFLAGS="$cf_trim_CFLAGS"
3284 CPPFLAGS="$cf_trim_CPPFLAGS"
3285 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3286 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3287 AC_TRY_COMPILE([#include <sys/types.h>],[
3288 #ifndef _POSIX_C_SOURCE
3291 [cf_cv_posix_c_source=no])
3292 CFLAGS="$cf_save_CFLAGS"
3293 CPPFLAGS="$cf_save_CPPFLAGS"
3297 if test "$cf_cv_posix_c_source" != no ; then
3298 CFLAGS="$cf_trim_CFLAGS"
3299 CPPFLAGS="$cf_trim_CPPFLAGS"
3300 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3303 fi # cf_cv_posix_visible
3306 dnl ---------------------------------------------------------------------------
3307 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3308 dnl ----------------
3309 dnl POSIX documents test-macros which an application may set before any system
3310 dnl headers are included to make features available.
3312 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3313 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3314 dnl recent features visible in the system header files unless the application
3315 dnl overrides the corresponding test-macros. Doing that introduces portability
3318 dnl This macro makes a special check for the symbols used for this, to avoid a
3319 dnl conflicting definition.
3320 AC_DEFUN([CF_POSIX_VISIBLE],
3322 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3323 AC_TRY_COMPILE([#include <stdio.h>],[
3324 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3325 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3326 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3327 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3328 #error conflicting symbols found
3330 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3333 dnl ---------------------------------------------------------------------------
3334 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3336 dnl Check for archiver "ar".
3337 AC_DEFUN([CF_PROG_AR],[
3338 AC_CHECK_TOOL(AR, ar, ar)
3340 dnl ---------------------------------------------------------------------------
3341 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3343 dnl Check for awk, ensure that the check found something.
3344 AC_DEFUN([CF_PROG_AWK],
3347 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3349 dnl ---------------------------------------------------------------------------
3350 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3352 dnl standard check for CC, plus followup sanity checks
3353 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3354 AC_DEFUN([CF_PROG_CC],[
3355 CF_ACVERSION_CHECK(2.53,
3356 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3357 AC_REQUIRE([AC_PROG_CC])],
3359 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3361 CF_ACVERSION_CHECK(2.52,
3366 dnl ---------------------------------------------------------------------------
3367 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3369 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3370 dnl the output file can be renamed, and allows for a shell variable that can
3371 dnl be used later. The parameter is either CC or CXX. The result is the
3373 dnl $cf_cv_prog_CC_c_o
3374 dnl $cf_cv_prog_CXX_c_o
3377 dnl $2 = compiler options, if any
3378 AC_DEFUN([CF_PROG_CC_C_O],
3379 [AC_REQUIRE([AC_PROG_CC])dnl
3380 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3381 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3383 cat > conftest.$ac_ext <<CF_EOF
3386 ${cf_cv_main_return:-return}(0);
3389 # We do the test twice because some compilers refuse to overwrite an
3390 # existing .o file with -o, though they will create one.
3391 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3392 if AC_TRY_EVAL(ac_try) &&
3393 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3395 eval cf_cv_prog_$1_c_o=yes
3397 eval cf_cv_prog_$1_c_o=no
3401 if test $cf_cv_prog_$1_c_o = yes; then
3402 AC_MSG_RESULT([yes])
3407 dnl ---------------------------------------------------------------------------
3408 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3410 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3411 dnl This macro adds a check to ensure the script found something.
3412 AC_DEFUN([CF_PROG_EGREP],
3413 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3414 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3415 then ac_cv_prog_egrep='grep -E'
3416 else ac_cv_prog_egrep='egrep'
3418 EGREP=$ac_cv_prog_egrep
3420 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3422 dnl ---------------------------------------------------------------------------
3423 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3425 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3426 AC_DEFUN([CF_PROG_EXT],
3428 AC_REQUIRE([CF_CHECK_CACHE])
3429 case $cf_cv_system_name in
3431 CFLAGS="$CFLAGS -Zmt"
3432 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3433 CXXFLAGS="$CXXFLAGS -Zmt"
3434 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3435 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3445 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3447 dnl ---------------------------------------------------------------------------
3448 dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54
3450 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3451 AC_DEFUN([CF_PROG_GNAT],[
3452 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3454 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3456 unset ac_cv_path_cf_TEMP_gnat
3458 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3459 eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat
3461 if test "x$cf_TEMP_gnat" != xno; then
3462 unset cf_cv_gnat_version
3464 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3466 eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat
3469 unset cf_cv_gnat_version
3470 unset ac_cv_path_cf_TEMP_gnat
3473 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3475 cf_cv_prog_gnat_correct=no
3477 cf_ada_make=gnatmake
3478 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3479 # gprconfig is newer than gnatmake; we can continue...
3482 rm -rf conftest* *~conftest*
3483 if mkdir conftest.src
3487 for cf_gprconfig in Ada C
3489 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3490 if test $cf_gprconfig = C
3492 for cf_gprconfig_param in \
3493 $cf_gprconfig,,,,GNATGCC \
3494 $cf_gprconfig,,,,GCC \
3497 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3498 test -n "$cf_gprconfig_value" && break
3501 cf_gprconfig_param=$cf_gprconfig
3502 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3504 if test -n "$cf_gprconfig_value"
3506 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3507 AC_MSG_RESULT($cf_gprconfig_value)
3509 AC_MSG_RESULT(missing)
3515 rm -rf conftest* *~conftest*
3518 if test "x$cf_ada_config" != "x#"
3521 CF_CHECK_GNAT_VERSION
3522 AC_CHECK_PROG(M4_exists, m4, yes, no)
3523 if test "$ac_cv_prog_M4_exists" = no; then
3524 cf_cv_prog_gnat_correct=no
3525 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3527 if test "$cf_cv_prog_gnat_correct" = yes; then
3528 AC_MSG_CHECKING(if GNAT works)
3529 CF_GNAT_TRY_RUN([procedure conftest;],
3532 procedure conftest is
3534 Text_IO.Put ("Hello World");
3536 GNAT.OS_Lib.OS_Exit (0);
3538 [cf_cv_prog_gnat_correct=yes],
3539 [cf_cv_prog_gnat_correct=no])
3540 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3543 cf_cv_prog_gnat_correct=no
3547 AC_SUBST(cf_ada_make)
3548 AC_SUBST(cf_ada_config)
3549 AC_SUBST(cf_ada_config_Ada)
3550 AC_SUBST(cf_ada_config_C)
3552 dnl ---------------------------------------------------------------------------
3553 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3555 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3556 dnl misc/tabset install won't work properly. Usually this happens only when
3557 dnl using the fallback mkinstalldirs script
3558 AC_DEFUN([CF_PROG_INSTALL],
3564 CF_DIRNAME(cf_dir,$INSTALL)
3565 test -z "$cf_dir" && cf_dir=.
3566 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3570 dnl ---------------------------------------------------------------------------
3571 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3573 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3574 dnl option if it is supported.
3575 AC_DEFUN([CF_PROG_LN_S],[
3577 AC_MSG_CHECKING(if $LN_S -f options work)
3579 rm -f conf$$.src conf$$dst
3581 echo first >conf$$.src
3582 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3587 rm -f conf$$.dst conf$$src
3588 AC_MSG_RESULT($cf_prog_ln_sf)
3590 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3592 dnl ---------------------------------------------------------------------------
3593 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3594 dnl ----------------
3595 dnl Remove all -U and -D options that refer to the given symbol from a list
3596 dnl of C compiler options. This works around the problem that not all
3597 dnl compilers process -U and -D options from left-to-right, so a -U option
3598 dnl cannot be used to cancel the effect of a preceding -D option.
3600 dnl $1 = target (which could be the same as the source variable)
3601 dnl $2 = source (including '$')
3602 dnl $3 = symbol to remove
3603 define([CF_REMOVE_DEFINE],
3606 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3607 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3609 dnl ---------------------------------------------------------------------------
3610 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3612 dnl Remove the given library from the symbol
3614 dnl $1 = target (which could be the same as the source variable)
3615 dnl $2 = source (including '$')
3616 dnl $3 = library to remove
3617 define([CF_REMOVE_LIB],
3619 # remove $3 library from $2
3620 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3622 dnl ---------------------------------------------------------------------------
3623 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3624 dnl ---------------------
3625 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3626 dnl $1 = name of current macro
3627 define([CF_RESTORE_XTRA_FLAGS],
3629 LIBS="$cf_save_LIBS_$1"
3630 CFLAGS="$cf_save_CFLAGS_$1"
3631 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3633 dnl ---------------------------------------------------------------------------
3634 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3635 dnl ------------------
3636 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3637 dnl and libraries which do not update those variables.
3639 dnl $1 = name of current macro
3640 define([CF_SAVE_XTRA_FLAGS],
3642 cf_save_LIBS_$1="$LIBS"
3643 cf_save_CFLAGS_$1="$CFLAGS"
3644 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3645 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3646 for cf_X_CFLAGS in $X_CFLAGS
3648 case "x$cf_X_CFLAGS" in
3650 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3653 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3658 dnl ---------------------------------------------------------------------------
3659 dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
3662 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3666 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3667 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3668 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3669 dnl shared library since that can lead to unexpected results at runtime.
3670 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3671 dnl libraries are compiled in ../../lib
3673 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3674 dnl to install symbolic links to the rel/abi versions of shared libraries.
3676 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3677 dnl version when making symbolic links.
3679 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3680 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3681 dnl (ex: libncurses.so.<ver>).
3683 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3684 AC_DEFUN([CF_SHARED_OPTS],
3686 AC_REQUIRE([CF_LD_RPATH_OPT])
3692 INSTALL_LIB="-m 644"
3693 : ${rel_builddir:=.}
3701 cf_cv_do_symlinks=no
3703 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3705 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3706 AC_ARG_WITH(shlib-version,
3707 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3708 [test -z "$withval" && withval=auto
3711 cf_cv_shlib_version=auto
3714 cf_cv_shlib_version=$withval
3717 AC_MSG_RESULT($withval)
3718 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3721 ],[cf_cv_shlib_version=auto])
3722 AC_MSG_RESULT($cf_cv_shlib_version)
3727 # Some less-capable ports of gcc support only -fpic
3731 if test "$GCC" = yes
3735 case $cf_cv_system_name in
3736 (*linux*) # e.g., PGI compiler
3742 if test "$cf_try_fPIC" = yes
3744 AC_MSG_CHECKING(which $CC option to use)
3745 cf_save_CFLAGS="$CFLAGS"
3746 for CC_SHARED_OPTS in -fPIC -fpic ''
3748 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3749 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3751 AC_MSG_RESULT($CC_SHARED_OPTS)
3752 CFLAGS="$cf_save_CFLAGS"
3755 cf_cv_shlib_version_infix=no
3757 case $cf_cv_system_name in
3758 (aix4.[3-9]*|aix[[5-7]]*)
3759 if test "$GCC" = yes; then
3760 CC_SHARED_OPTS='-Wl,-brtl'
3761 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3763 CC_SHARED_OPTS='-brtl'
3764 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3765 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3769 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3773 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3774 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3775 cf_cv_shlib_version=cygdll
3776 cf_cv_shlib_version_infix=cygdll
3779 cat >mk_shared_lib.sh <<-CF_EOF
3782 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3785 Linking shared library
3786 ** SHARED_LIB \[$]SHARED_LIB
3787 ** IMPORT_LIB \[$]IMPORT_LIB
3789 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3791 chmod +x mk_shared_lib.sh
3795 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3796 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3797 cf_cv_shlib_version=msysdll
3798 cf_cv_shlib_version_infix=msysdll
3801 cat >mk_shared_lib.sh <<-CF_EOF
3804 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3807 Linking shared library
3808 ** SHARED_LIB \[$]SHARED_LIB
3809 ** IMPORT_LIB \[$]IMPORT_LIB
3811 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3813 chmod +x mk_shared_lib.sh
3816 cf_try_cflags="no-cpp-precomp"
3817 CC_SHARED_OPTS="-dynamic"
3818 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3819 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3820 cf_cv_shlib_version_infix=yes
3821 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3822 cf_save_LDFLAGS=$LDFLAGS
3823 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3824 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3825 LDFLAGS=$cf_save_LDFLAGS])
3826 if test $cf_cv_ldflags_search_paths_first = yes; then
3827 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3831 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3832 if test "$GCC" != yes; then
3835 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3836 INSTALL_LIB="-m 555"
3839 # (tested with gcc 2.7.2 -- I don't have c89)
3840 if test "$GCC" = yes; then
3841 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3844 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3846 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3847 # HP-UX shared libraries must be executable, and should be
3848 # readonly to exploit a quirk in the memory manager.
3849 INSTALL_LIB="-m 555"
3852 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3853 if test "$cf_cv_shlib_version" = rel; then
3854 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3856 cf_shared_soname='`basename $[@]`'
3859 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3862 if test "$cf_cv_enable_rpath" = yes ; then
3863 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3865 # tested with IRIX 5.2 and 'cc'.
3866 if test "$GCC" != yes; then
3867 CC_SHARED_OPTS='-KPIC'
3868 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3870 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3872 cf_cv_rm_so_locs=yes
3874 (linux*|gnu*|k*bsd*-gnu)
3875 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3876 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3877 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3879 if test "$cf_cv_enable_rpath" = yes ; then
3880 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3883 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3886 cf_cv_shlib_version=msvcdll
3887 cf_cv_shlib_version_infix=msvcdll
3890 if test "$DFT_LWR_MODEL" = "shared" ; then
3891 LOCAL_LDFLAGS="-link -dll"
3892 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3893 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3896 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3897 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3898 cat >mk_shared_lib.sh <<-CF_EOF
3901 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3906 Linking shared library
3907 ** SHARED LIB \$SHARED_LIB
3908 ** IMPORT_LIB \$IMPORT_LIB
3910 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3911 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3912 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3914 chmod +x mk_shared_lib.sh
3915 cat >mk_prog.sh <<-CF_EOF
3918 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3921 ldopts=("/subsystem:console")
3924 while test \[$]# -gt 0; do
3927 # ignore -link argument
3929 -M[[TD]] | -M[[TD]]d)
3930 # ignore runtime-library option
3945 libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3948 ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3954 for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3955 ldopts+=("\[$]{linkarg}")
3963 ldopts+=("-out:\[$]1")
3972 if [[ "\$isdll" -ne 0 ]]; then
3973 for lib in \[$]{libs[[*]]}; do
3974 ldopts+=("\[$]lib.dll.lib")
3977 for lib in \[$]{libs[[*]]}; do
3978 ldopts+=("\[$]lib.lib")
3983 ** ld options: "\[$]{ldopts[[@]]}"
3985 exec \[$]LD \[$]{ldopts[[@]]}
3988 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
3989 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
3992 cf_cv_shlib_version=mingw
3993 cf_cv_shlib_version_infix=mingw
3996 if test "$DFT_LWR_MODEL" = "shared" ; then
3997 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3998 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3999 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
4002 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
4003 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
4004 cat >mk_shared_lib.sh <<-CF_EOF
4007 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
4010 Linking shared library
4011 ** SHARED_LIB \[$]SHARED_LIB
4012 ** IMPORT_LIB \[$]IMPORT_LIB
4014 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
4016 chmod +x mk_shared_lib.sh
4018 (openbsd[[2-9]].*|mirbsd*)
4019 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4020 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4021 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4023 if test "$cf_cv_enable_rpath" = yes ; then
4024 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4026 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4028 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4032 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
4036 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
4038 (nto-qnx*|openbsd*|freebsd[[12]].*)
4039 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4040 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
4041 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4043 (dragonfly*|freebsd*)
4044 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4045 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4046 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4047 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
4048 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4051 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4054 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4055 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4056 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4057 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4058 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4059 if test "$cf_cv_shlib_version" = auto; then
4060 if test -f /usr/libexec/ld.elf_so; then
4061 cf_cv_shlib_version=abi
4063 cf_cv_shlib_version=rel
4067 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4069 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4073 # tested with OSF/1 V3.2 and 'cc'
4074 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4075 # link with shared libs).
4076 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4079 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4082 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4083 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4084 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4085 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4087 cf_cv_rm_so_locs=yes
4089 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
4090 # tested with osr5.0.5
4091 if test "$GCC" != yes; then
4092 CC_SHARED_OPTS='-belf -KPIC'
4094 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4095 if test "$cf_cv_enable_rpath" = yes ; then
4096 # only way is to set LD_RUN_PATH but no switch for it
4099 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4100 LINK_PROGS='LD_RUN_PATH=${libdir}'
4101 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4104 # tested with SunOS 4.1.1 and gcc 2.7.0
4105 if test "$GCC" != yes; then
4106 CC_SHARED_OPTS='-KPIC'
4108 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4109 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4112 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4113 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4114 if test "$DFT_LWR_MODEL" = "shared" ; then
4115 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4116 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4118 if test "$cf_cv_enable_rpath" = yes ; then
4119 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4122 if test "$GCC" != yes; then
4123 cf_save_CFLAGS="$CFLAGS"
4124 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4126 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4127 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
4129 CFLAGS="$cf_save_CFLAGS"
4130 CC_SHARED_OPTS=$cf_shared_opts
4131 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4133 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4136 (sysv5uw7*|unix_sv*)
4137 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4138 if test "$GCC" != yes; then
4139 CC_SHARED_OPTS='-KPIC'
4141 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4144 CC_SHARED_OPTS='unknown'
4145 MK_SHARED_LIB='echo unknown'
4149 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4150 case "$cf_cv_shlib_version" in
4152 case "$MK_SHARED_LIB" in
4154 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4157 AC_MSG_WARN(ignored --with-shlib-version)
4163 if test -n "$cf_try_cflags"
4165 cat > conftest.$ac_ext <<EOF
4166 #line __oline__ "${as_me:-configure}"
4168 int main(int argc, char *argv[[]])
4171 return (argv[[argc-1]] == 0) ;
4174 cf_save_CFLAGS="$CFLAGS"
4175 for cf_opt in $cf_try_cflags
4177 CFLAGS="$cf_save_CFLAGS -$cf_opt"
4178 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4179 if AC_TRY_EVAL(ac_compile); then
4181 cf_save_CFLAGS="$CFLAGS"
4186 CFLAGS="$cf_save_CFLAGS"
4190 # RPATH_LIST is a colon-separated list of directories
4191 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4192 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4194 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4196 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4197 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
4199 AC_SUBST(CC_SHARED_OPTS)
4200 AC_SUBST(LD_RPATH_OPT)
4201 AC_SUBST(LD_SHARED_OPTS)
4202 AC_SUBST(MK_SHARED_LIB)
4203 AC_SUBST(RM_SHARED_OPTS)
4205 AC_SUBST(LINK_PROGS)
4206 AC_SUBST(LINK_TESTS)
4208 AC_SUBST(EXTRA_LDFLAGS)
4209 AC_SUBST(LOCAL_LDFLAGS)
4210 AC_SUBST(LOCAL_LDFLAGS2)
4212 AC_SUBST(INSTALL_LIB)
4213 AC_SUBST(RPATH_LIST)
4215 dnl ---------------------------------------------------------------------------
4216 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4217 dnl ----------------
4218 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4219 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4222 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4223 dnl If missing, use "rel".
4224 define([CF_SHARED_SONAME],
4226 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4227 if test "$cf_cv_shlib_version" = rel; then
4228 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4230 cf_cv_shared_soname='`basename $[@]`'
4233 dnl ---------------------------------------------------------------------------
4234 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
4236 dnl Remove "-g" option from the compiler options
4237 AC_DEFUN([CF_STRIP_G_OPT],
4238 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
4239 dnl ---------------------------------------------------------------------------
4240 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4242 dnl Construct a search-list for a nonstandard header/lib-file
4243 dnl $1 = the variable to return as result
4244 dnl $2 = the package name
4245 dnl $3 = the subdirectory, e.g., bin, include or lib
4246 AC_DEFUN([CF_SUBDIR_PATH],
4250 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4252 for cf_subdir_prefix in \
4260 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4263 dnl ---------------------------------------------------------------------------
4264 dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
4266 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4267 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4268 dnl but some packagers change this, breaking various applications.
4269 AC_DEFUN([CF_TERM_HEADER],[
4270 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4271 case ${cf_cv_ncurses_header} in
4272 (*/ncurses.h|*/ncursesw.h)
4273 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4276 cf_term_header=term.h
4280 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4282 AC_TRY_COMPILE([#include <stdio.h>
4283 #include <${cf_cv_ncurses_header:-curses.h}>
4285 ],[int x = auto_left_margin; (void)x],[
4286 cf_cv_term_header="$cf_test"],[
4287 cf_cv_term_header=unknown
4289 test "$cf_cv_term_header" != unknown && break
4293 # Set definitions to allow ifdef'ing to accommodate subdirectories
4295 case $cf_cv_term_header in
4297 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4301 case $cf_cv_term_header in
4303 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4306 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4310 dnl ---------------------------------------------------------------------------
4311 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4313 dnl Define a top_builddir symbol, for applications that need an absolute path.
4314 AC_DEFUN([CF_TOP_BUILDDIR],
4316 top_builddir=ifelse($1,,`pwd`,$1)
4317 AC_SUBST(top_builddir)
4319 dnl ---------------------------------------------------------------------------
4320 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4321 dnl -------------------
4322 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4323 dnl can define it successfully.
4324 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4325 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4329 #include <sys/types.h>
4331 #ifndef _XOPEN_SOURCE
4334 [cf_cv_xopen_source=no],
4335 [cf_save="$CPPFLAGS"
4336 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4340 #include <sys/types.h>
4342 #ifdef _XOPEN_SOURCE
4345 [cf_cv_xopen_source=no],
4346 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4351 if test "$cf_cv_xopen_source" != no ; then
4352 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4353 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4354 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4355 CF_ADD_CFLAGS($cf_temp_xopen_source)
4358 dnl ---------------------------------------------------------------------------
4359 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4361 dnl Make an uppercase version of a variable
4362 dnl $1=uppercase($2)
4363 AC_DEFUN([CF_UPPER],
4365 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4367 dnl ---------------------------------------------------------------------------
4368 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4370 dnl Check for multibyte support, and if not found, utf8 compatibility library
4371 AC_DEFUN([CF_UTF8_LIB],
4373 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4374 cf_save_LIBS="$LIBS"
4376 #include <stdlib.h>],[putwc(0,0);],
4377 [cf_cv_utf8_lib=yes],
4379 #include <libutf8.h>],[putwc(0,0);],utf8,
4380 [cf_cv_utf8_lib=add-on],
4381 [cf_cv_utf8_lib=no])
4384 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4386 if test "$cf_cv_utf8_lib" = "add-on" ; then
4387 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4388 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4389 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4390 CF_ADD_LIBS($cf_cv_library_file_utf8)
4393 dnl ---------------------------------------------------------------------------
4394 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4396 dnl Use AC_VERBOSE w/o the warnings
4397 AC_DEFUN([CF_VERBOSE],
4398 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4401 dnl ---------------------------------------------------------------------------
4402 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4404 dnl Check for compiler-support for weak symbols.
4405 dnl This works with "recent" gcc.
4406 AC_DEFUN([CF_WEAK_SYMBOLS],[
4407 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4410 #include <stdio.h>],
4412 #if defined(__GNUC__)
4413 # if defined __USE_ISOC99
4414 # define _cat_pragma(exp) _Pragma(#exp)
4415 # define _weak_pragma(exp) _cat_pragma(weak name)
4417 # define _weak_pragma(exp)
4419 # define _declare(name) __extension__ extern __typeof__(name) name
4420 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4424 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4427 dnl ---------------------------------------------------------------------------
4428 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4429 dnl --------------------
4430 dnl Command-line option to specify the Ada95 compiler.
4431 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4432 AC_MSG_CHECKING(for ada-compiler)
4433 AC_ARG_WITH(ada-compiler,
4434 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4435 [cf_ada_compiler=$withval],
4436 [cf_ada_compiler=gnatmake])
4437 AC_SUBST(cf_ada_compiler)
4438 AC_MSG_RESULT($cf_ada_compiler)
4440 dnl ---------------------------------------------------------------------------
4441 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4442 dnl -------------------
4443 dnl Command-line option to specify where Ada includes will install.
4444 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4445 AC_MSG_CHECKING(for ada-include)
4446 CF_WITH_PATH(ada-include,
4447 [ --with-ada-include=DIR Ada includes are in DIR],
4449 PREFIX/share/ada/adainclude,
4450 [$]prefix/share/ada/adainclude)
4451 AC_SUBST(ADA_INCLUDE)
4452 AC_MSG_RESULT($ADA_INCLUDE)
4454 dnl ---------------------------------------------------------------------------
4455 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4456 dnl -------------------
4457 dnl CF_WITH_ADA_LIBNAME
4458 dnl -------------------
4459 dnl Command-line option to specify how to name the resulting Ada library.
4460 dnl $1 = default value
4461 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4462 AC_MSG_CHECKING(for ada-libname)
4463 AC_ARG_WITH(ada-libname,
4464 [ --with-ada-libname=XXX override default Ada library-name],
4465 ADA_LIBNAME=[$]withval,
4467 case "x$ADA_LIBNAME" in
4472 AC_SUBST(ADA_LIBNAME)
4473 AC_MSG_RESULT($ADA_LIBNAME)
4475 dnl ---------------------------------------------------------------------------
4476 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4477 dnl -------------------
4478 dnl Command-line option to specify where Ada objects will install.
4479 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4480 AC_MSG_CHECKING(for ada-objects)
4481 CF_WITH_PATH(ada-objects,
4482 [ --with-ada-objects=DIR Ada objects are in DIR],
4484 PREFIX/lib/ada/adalib,
4485 [$]prefix/lib/ada/adalib)
4486 AC_SUBST(ADA_OBJECTS)
4487 AC_MSG_RESULT($ADA_OBJECTS)
4489 dnl ---------------------------------------------------------------------------
4490 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4491 dnl ---------------------
4492 dnl Command-line option to specify if an Ada95 shared-library should be built,
4493 dnl and optionally what its soname should be.
4494 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4495 AC_REQUIRE([CF_GNAT_PROJECTS])
4496 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4497 AC_ARG_WITH(ada-sharedlib,
4498 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4499 [with_ada_sharedlib=$withval],
4500 [with_ada_sharedlib=no])
4501 AC_MSG_RESULT($with_ada_sharedlib)
4503 if test "x$with_ada_sharedlib" != xno
4505 if test "x$cf_gnat_projects" != xyes
4507 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4508 with_ada_sharedlib=no
4512 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4513 MAKE_ADA_SHAREDLIB="#"
4515 if test "x$with_ada_sharedlib" != xno
4518 if test "x$with_ada_sharedlib" != xyes
4520 ADA_SHAREDLIB="$with_ada_sharedlib"
4524 AC_SUBST(ADA_SHAREDLIB)
4525 AC_SUBST(MAKE_ADA_SHAREDLIB)
4527 dnl ---------------------------------------------------------------------------
4528 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
4529 dnl ------------------
4530 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4532 AC_DEFUN([CF_WITH_CURSES_DIR],[
4534 AC_MSG_CHECKING(for specific curses-directory)
4535 AC_ARG_WITH(curses-dir,
4536 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4537 [cf_cv_curses_dir=$withval],
4538 [cf_cv_curses_dir=no])
4539 AC_MSG_RESULT($cf_cv_curses_dir)
4541 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
4543 CF_PATH_SYNTAX(withval)
4544 if test -d "$cf_cv_curses_dir"
4546 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4547 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4551 dnl ---------------------------------------------------------------------------
4552 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4553 dnl ------------------
4554 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4555 dnl "lib" prefix, e.g., because it used the dll naming convention.
4557 dnl $1 = variable to set
4558 AC_DEFUN([CF_WITH_LIB_PREFIX],
4560 AC_MSG_CHECKING(if you want to have a library-prefix)
4561 AC_ARG_WITH(lib-prefix,
4562 [ --with-lib-prefix override library-prefix],
4563 [with_lib_prefix=$withval],
4564 [with_lib_prefix=auto])
4565 AC_MSG_RESULT($with_lib_prefix)
4567 if test $with_lib_prefix = auto
4570 elif test $with_lib_prefix = no
4574 LIB_PREFIX=$with_lib_prefix
4577 dnl ---------------------------------------------------------------------------
4578 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4580 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4581 dnl defaulting to yes/no.
4583 dnl $1 = option name
4585 dnl $3 = environment variable to set
4586 dnl $4 = default value, shown in the help-message, must be a constant
4587 dnl $5 = default value, if it's an expression & cannot be in the help-message
4589 AC_DEFUN([CF_WITH_PATH],
4590 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4591 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4592 if ifelse([$5],,true,[test -n "$5"]) ; then
4593 CF_PATH_SYNTAX(withval)
4598 dnl ---------------------------------------------------------------------------
4599 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4600 dnl -------------------------
4601 dnl Allow the choice of the pkg-config library directory to be overridden.
4602 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4606 AC_MSG_CHECKING(for pkg-config library directory)
4609 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4613 PKG_CONFIG_LIBDIR=no
4614 AC_ARG_WITH(pkg-config-libdir,
4615 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4616 [PKG_CONFIG_LIBDIR=$withval],
4617 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4619 case x$PKG_CONFIG_LIBDIR in
4623 # Look for the library directory using the same prefix as the executable
4624 if test "x$PKG_CONFIG" = xnone
4628 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4631 # If you don't like using the default architecture, you have to specify the
4632 # intended library directory and corresponding compiler/linker options.
4634 # This case allows for Debian's 2014-flavor of multiarch, along with the
4635 # most common variations before that point. Some other variants spell the
4636 # directory differently, e.g., "pkg-config", and put it in unusual places.
4637 # pkg-config has always been poorly standardized, which is ironic...
4638 case x`(arch) 2>/dev/null` in
4641 $cf_path/lib/*64-linux-gnu \
4649 $cf_path/lib/*-linux-gnu \
4658 for cf_config in $cf_search_path
4660 CF_VERBOSE(checking $cf_config/pkgconfig)
4661 if test -d $cf_config/pkgconfig
4663 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4664 AC_MSG_CHECKING(done)
4673 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4674 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4677 AC_SUBST(PKG_CONFIG_LIBDIR)
4679 dnl ---------------------------------------------------------------------------
4680 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4682 dnl Check for POSIX thread library.
4683 AC_DEFUN([CF_WITH_PTHREAD],
4685 AC_MSG_CHECKING(if you want to link with the pthread library)
4686 AC_ARG_WITH(pthread,
4687 [ --with-pthread use POSIX thread library],
4688 [with_pthread=$withval],
4690 AC_MSG_RESULT($with_pthread)
4692 if test "$with_pthread" != no ; then
4693 AC_CHECK_HEADER(pthread.h,[
4694 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4696 for cf_lib_pthread in pthread c_r
4698 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4699 cf_save_LIBS="$LIBS"
4700 CF_ADD_LIB($cf_lib_pthread)
4702 #include <pthread.h>
4704 int rc = pthread_create(0,0,0,0);
4705 int r2 = pthread_mutexattr_settype(0, 0);
4706 ],[with_pthread=yes],[with_pthread=no])
4707 LIBS="$cf_save_LIBS"
4708 AC_MSG_RESULT($with_pthread)
4709 test "$with_pthread" = yes && break
4712 if test "$with_pthread" = yes ; then
4713 CF_ADD_LIB($cf_lib_pthread)
4714 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4716 AC_MSG_ERROR(Cannot link with pthread library)
4721 dnl ---------------------------------------------------------------------------
4722 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4724 dnl For testing, override the derived host system-type which is used to decide
4725 dnl things such as the linker commands used to build shared libraries. This is
4726 dnl normally chosen automatically based on the type of system which you are
4727 dnl building on. We use it for testing the configure script.
4729 dnl This is different from the --host option: it is used only for testing parts
4730 dnl of the configure script which would not be reachable with --host since that
4731 dnl relies on the build environment being real, rather than mocked up.
4732 AC_DEFUN([CF_WITH_SYSTYPE],[
4733 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4734 AC_ARG_WITH(system-type,
4735 [ --with-system-type=XXX test: override derived host system-type],
4736 [AC_MSG_WARN(overriding system type to $withval)
4737 cf_cv_system_name=$withval
4741 dnl ---------------------------------------------------------------------------
4742 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4744 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4745 dnl or adapt to the vendor's definitions to get equivalent functionality,
4746 dnl without losing the common non-POSIX features.
4749 dnl $1 is the nominal value for _XOPEN_SOURCE
4750 dnl $2 is the nominal value for _POSIX_C_SOURCE
4751 AC_DEFUN([CF_XOPEN_SOURCE],[
4752 AC_REQUIRE([AC_CANONICAL_HOST])
4753 AC_REQUIRE([CF_POSIX_VISIBLE])
4755 if test "$cf_cv_posix_visible" = no; then
4757 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4758 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4763 cf_xopen_source="-D_ALL_SOURCE"
4769 cf_xopen_source="-D_APPLE_C_SOURCE"
4772 cf_xopen_source="-D_DARWIN_C_SOURCE"
4775 (freebsd*|dragonfly*|midnightbsd*)
4776 # 5.x headers associate
4777 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4778 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4779 cf_POSIX_C_SOURCE=200112L
4781 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4784 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4787 cf_xopen_source="-D_HPUX_SOURCE"
4790 cf_xopen_source="-D_SGI_SOURCE"
4793 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4794 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4797 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4800 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4802 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4805 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4808 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4809 cf_xopen_source="-D_BSD_SOURCE"
4813 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4816 cf_xopen_source="-D_OSF_SOURCE"
4819 cf_xopen_source="-D_QNX_SOURCE"
4822 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4825 cf_xopen_source="-D__EXTENSIONS__"
4826 cf_cv_xopen_source=broken
4828 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4834 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4838 if test -n "$cf_xopen_source" ; then
4839 CF_ADD_CFLAGS($cf_xopen_source,true)
4842 dnl In anything but the default case, we may have system-specific setting
4843 dnl which is still not guaranteed to provide all of the entrypoints that
4844 dnl _XOPEN_SOURCE would yield.
4845 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4846 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4847 AC_TRY_COMPILE([#include <stdlib.h>],[
4848 #ifndef _XOPEN_SOURCE
4851 [cf_XOPEN_SOURCE_set=yes],
4852 [cf_XOPEN_SOURCE_set=no])
4853 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4854 if test $cf_XOPEN_SOURCE_set = yes
4856 AC_TRY_COMPILE([#include <stdlib.h>],[
4857 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4860 [cf_XOPEN_SOURCE_set_ok=yes],
4861 [cf_XOPEN_SOURCE_set_ok=no])
4862 if test $cf_XOPEN_SOURCE_set_ok = no
4864 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4870 fi # cf_cv_posix_visible