1 dnl***************************************************************************
2 dnl Copyright 2018-2020,2021 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 1.173 2021/03/23 00:37:21 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: 15 updated: 2020/12/31 10:54:15
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: 16 updated: 2020/12/31 20:19:42
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: 11 updated: 2020/12/31 20:19:42
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: 5 updated: 2020/12/31 20:19:42
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([$4],,,[
387 dnl ---------------------------------------------------------------------------
388 dnl CF_AR_FLAGS version: 9 updated: 2021/01/01 13:31:04
390 dnl Check for suitable "ar" (archiver) options for updating an archive.
392 dnl In particular, handle some obsolete cases where the "-" might be omitted,
393 dnl as well as a workaround for breakage of make's archive rules by the GNU
394 dnl binutils "ar" program.
395 AC_DEFUN([CF_AR_FLAGS],[
396 AC_REQUIRE([CF_PROG_AR])
398 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
399 case "$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: 9 updated: 2021/01/02 09:31:20
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 : ${BUILD_OBJEXT:='o'}
545 AC_SUBST(BUILD_CFLAGS)
546 AC_SUBST(BUILD_CPPFLAGS)
547 AC_SUBST(BUILD_LDFLAGS)
549 AC_SUBST(BUILD_EXEEXT)
550 AC_SUBST(BUILD_OBJEXT)
552 dnl ---------------------------------------------------------------------------
553 dnl CF_C11_NORETURN version: 2 updated: 2021/03/22 20:37:21
555 AC_DEFUN([CF_C11_NORETURN],
557 AC_MSG_CHECKING(if you want to use C11 _Noreturn feature)
558 CF_ARG_ENABLE(stdnoreturn,
559 [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics],
560 [enable_stdnoreturn=yes],
561 [enable_stdnoreturn=no])
562 AC_MSG_RESULT($enable_stdnoreturn)
564 if test $enable_stdnoreturn = yes; then
565 AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn,
569 #include <stdnoreturn.h>
570 static void giveup(void) { exit(0); }
572 [if (feof(stdin)) giveup()],
573 cf_cv_c11_noreturn=yes,
574 cf_cv_c11_noreturn=no)
577 cf_cv_c11_noreturn=no,
580 if test "$cf_cv_c11_noreturn" = yes; then
581 AC_DEFINE(HAVE_STDNORETURN_H, 1)
582 AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported])
588 AC_SUBST(HAVE_STDNORETURN_H)
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
593 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
594 dnl into CC. This will not help with broken scripts that wrap the compiler
595 dnl with options, but eliminates a more common category of user confusion.
597 dnl In particular, it addresses the problem of being able to run the C
598 dnl preprocessor in a consistent manner.
600 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
601 dnl the nuisance of having inconsistent settings for compiler and preprocessor
602 dnl outweighs that limitation.
603 AC_DEFUN([CF_CC_ENV_FLAGS],
605 # This should have been defined by AC_PROG_CC
608 AC_MSG_CHECKING(\$CFLAGS variable)
611 AC_MSG_RESULT(broken)
612 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
615 for cf_arg in $cf_flags
617 CF_ADD_CFLAGS($cf_arg)
625 AC_MSG_CHECKING(\$CC variable)
628 AC_MSG_RESULT(broken)
629 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
631 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
632 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
634 for cf_arg in $cf_flags
638 CF_ADD_CFLAGS($cf_arg)
645 CF_VERBOSE(resulting CC: '$CC')
646 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
647 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
654 dnl ---------------------------------------------------------------------------
655 dnl CF_CFG_DEFAULTS version: 16 updated: 2021/01/04 19:33:05
657 dnl Determine the default configuration into which we'll install ncurses. This
658 dnl can be overridden by the user's command-line options. There's two items to
660 dnl 1. the prefix (e.g., /usr)
661 dnl 2. the header files (e.g., /usr/include/ncurses)
662 dnl We'll look for a previous installation of ncurses and use the same defaults.
664 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
665 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
666 dnl programs from a vendor's.
667 AC_DEFUN([CF_CFG_DEFAULTS],
668 [AC_REQUIRE([AC_PROG_FGREP])dnl
670 AC_MSG_CHECKING(for prefix)
671 if test "x$prefix" = "xNONE" ; then
672 case "$cf_cv_system_name" in
673 # non-vendor systems don't have a conflict
674 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
677 (*) prefix=$ac_default_prefix
681 AC_MSG_RESULT($prefix)
683 if test "x$prefix" = "xNONE" ; then
684 AC_MSG_CHECKING(for default include-directory)
685 test -n "$verbose" && echo 1>&AC_FD_MSG
688 "$includedir/ncurses" \
690 "$prefix/include/ncurses" \
692 /usr/local/include/ncurses \
696 cf_dir=`eval echo "$cf_symbol"`
697 if test -f "$cf_dir/curses.h" ; then
698 if ( ${FGREP-fgrep} NCURSES_VERSION "$cf_dir/curses.h" >/dev/null 2>&1 ) ; then
699 includedir="$cf_symbol"
700 test -n "$verbose" && echo $ECHO_N " found " 1>&AC_FD_MSG
704 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
706 AC_MSG_RESULT($includedir)
709 dnl ---------------------------------------------------------------------------
710 dnl CF_CHECK_CACHE version: 13 updated: 2020/12/31 10:54:15
712 dnl Check if we're accidentally using a cache from a different machine.
713 dnl Derive the system name, as a check for reusing the autoconf cache.
715 dnl If we've packaged config.guess and config.sub, run that (since it does a
716 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
717 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
718 dnl which is useful in cross-compiles.
720 dnl Note: we would use $ac_config_sub, but that is one of the places where
721 dnl autoconf 2.5x broke compatibility with autoconf 2.13
722 AC_DEFUN([CF_CHECK_CACHE],
724 if test -f "$srcdir/config.guess" || test -f "$ac_aux_dir/config.guess" ; then
725 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
726 system_name="$host_os"
728 system_name="`(uname -s -r) 2>/dev/null`"
729 if test -z "$system_name" ; then
730 system_name="`(hostname) 2>/dev/null`"
733 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
734 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
736 test -z "$system_name" && system_name="$cf_cv_system_name"
737 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
739 if test ".$system_name" != ".$cf_cv_system_name" ; then
740 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
741 AC_MSG_ERROR("Please remove config.cache and try again.")
744 dnl ---------------------------------------------------------------------------
745 dnl CF_CHECK_GNAT_VERSION version: 4 updated: 2021/01/01 13:31:04
746 dnl ---------------------
747 AC_DEFUN([CF_CHECK_GNAT_VERSION],
749 AC_REQUIRE([CF_GNAT_VERSION])
750 case "$cf_cv_gnat_version" in
751 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
752 cf_cv_prog_gnat_correct=yes
755 AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
756 cf_cv_prog_gnat_correct=no
760 dnl ---------------------------------------------------------------------------
761 dnl CF_CLANG_COMPILER version: 8 updated: 2021/01/01 13:31:04
762 dnl -----------------
763 dnl Check if the given compiler is really clang. clang's C driver defines
764 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
765 dnl not ignore some gcc options.
767 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
768 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
769 dnl the wrappers for gcc and g++ warnings.
771 dnl $1 = GCC (default) or GXX
772 dnl $2 = CLANG_COMPILER (default)
773 dnl $3 = CFLAGS (default) or CXXFLAGS
774 AC_DEFUN([CF_CLANG_COMPILER],[
775 ifelse([$2],,CLANG_COMPILER,[$2])=no
777 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
778 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
779 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
785 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
787 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
788 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
793 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
795 (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
796 AC_MSG_WARN(replacing broken compiler alias $CC)
797 CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
802 AC_MSG_CHECKING(version of $CC)
803 CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
804 test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
805 AC_MSG_RESULT($CLANG_VERSION)
807 for cf_clang_opt in \
809 -Wno-error=implicit-function-declaration
811 AC_MSG_CHECKING(if option $cf_clang_opt works)
812 cf_save_CFLAGS="$CFLAGS"
813 CFLAGS="$CFLAGS $cf_clang_opt"
815 #include <stdio.h>],[
816 printf("hello!\\n");],[
817 cf_clang_optok=yes],[
819 AC_MSG_RESULT($cf_clang_optok)
820 CFLAGS="$cf_save_CFLAGS"
821 if test "$cf_clang_optok" = yes; then
822 CF_VERBOSE(adding option $cf_clang_opt)
823 CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
828 dnl ---------------------------------------------------------------------------
829 dnl CF_CONST_X_STRING version: 6 updated: 2021/01/01 13:31:04
830 dnl -----------------
831 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
832 dnl character-strings.
834 dnl It is ambiguous because the specification accommodated the pre-ANSI
835 dnl compilers bundled by more than one vendor in lieu of providing a standard C
836 dnl compiler other than by costly add-ons. Because of this, the specification
837 dnl did not take into account the use of const for telling the compiler that
838 dnl string literals would be in readonly memory.
840 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
841 dnl let the compiler decide how to represent Xt's strings which were #define'd.
842 dnl That does not solve the problem of using the block of Xt's strings which
843 dnl are compiled into the library (and is less efficient than one might want).
845 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
846 dnl when compiling the library and compiling using the library, to tell the
847 dnl compiler that String is const.
848 AC_DEFUN([CF_CONST_X_STRING],
850 AC_REQUIRE([AC_PATH_XTRA])
852 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
857 #include <X11/Intrinsic.h>
859 [String foo = malloc(1); (void)foo],[
861 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
864 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
865 #undef XTSTRINGDEFINES /* X11R5 and later */
867 #include <X11/Intrinsic.h>
868 ],[String foo = malloc(1); *foo = 0],[
869 cf_cv_const_x_string=no
871 cf_cv_const_x_string=yes
875 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
877 case "$cf_cv_const_x_string" in
879 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
882 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
888 dnl ---------------------------------------------------------------------------
889 dnl CF_CONST_X_STRING version: 6 updated: 2021/01/01 13:31:04
890 dnl -----------------
891 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
892 dnl character-strings.
894 dnl It is ambiguous because the specification accommodated the pre-ANSI
895 dnl compilers bundled by more than one vendor in lieu of providing a standard C
896 dnl compiler other than by costly add-ons. Because of this, the specification
897 dnl did not take into account the use of const for telling the compiler that
898 dnl string literals would be in readonly memory.
900 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
901 dnl let the compiler decide how to represent Xt's strings which were #define'd.
902 dnl That does not solve the problem of using the block of Xt's strings which
903 dnl are compiled into the library (and is less efficient than one might want).
905 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
906 dnl when compiling the library and compiling using the library, to tell the
907 dnl compiler that String is const.
908 AC_DEFUN([CF_CONST_X_STRING],
910 AC_REQUIRE([AC_PATH_XTRA])
912 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
917 #include <X11/Intrinsic.h>
919 [String foo = malloc(1); (void)foo],[
921 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
924 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
925 #undef XTSTRINGDEFINES /* X11R5 and later */
927 #include <X11/Intrinsic.h>
928 ],[String foo = malloc(1); *foo = 0],[
929 cf_cv_const_x_string=no
931 cf_cv_const_x_string=yes
935 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
937 case "$cf_cv_const_x_string" in
939 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
942 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
948 dnl ---------------------------------------------------------------------------
949 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
951 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
952 dnl variations of ncurses' installs.
954 dnl $1 = ncurses when looking for ncurses, or is empty
955 AC_DEFUN([CF_CURSES_HEADER],[
956 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
957 cf_cv_ncurses_header=none
959 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
960 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
962 AC_TRY_COMPILE([#include <${cf_header}>],
963 [initscr(); tgoto("?", 0,0)],
964 [cf_cv_ncurses_header=$cf_header; break],[])
968 if test "$cf_cv_ncurses_header" = none ; then
969 AC_MSG_ERROR(No curses header-files found)
972 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
973 AC_CHECK_HEADERS($cf_cv_ncurses_header)
975 dnl ---------------------------------------------------------------------------
976 dnl CF_DIRNAME version: 5 updated: 2020/12/31 20:19:42
978 dnl "dirname" is not portable, so we fake it with a shell script.
979 AC_DEFUN([CF_DIRNAME],[$1=`echo "$2" | sed -e 's%/[[^/]]*$%%'`])dnl
980 dnl ---------------------------------------------------------------------------
981 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
983 dnl You can always use "make -n" to see the actual options, but it's hard to
984 dnl pick out/analyze warning messages when the compile-line is long.
987 dnl ECHO_LT - symbol to control if libtool is verbose
988 dnl ECHO_LD - symbol to prefix "cc -o" lines
989 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
990 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
991 dnl ECHO_CC - symbol to put before any "cc" line
993 AC_DEFUN([CF_DISABLE_ECHO],[
994 AC_MSG_CHECKING(if you want to see long compiling messages)
996 [ --disable-echo do not display "compiling" commands],
999 ECHO_LD='@echo linking [$]@;'
1000 RULE_CC='@echo compiling [$]<'
1001 SHOW_CC='@echo compiling [$]@'
1010 AC_MSG_RESULT($enableval)
1017 dnl ---------------------------------------------------------------------------
1018 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1019 dnl ------------------------
1020 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1021 AC_MSG_CHECKING(if we want to use GNAT projects)
1022 CF_ARG_DISABLE(gnat-projects,
1023 [ --disable-gnat-projects test: disable GNAT projects even if usable],
1024 [enable_gnat_projects=no],
1025 [enable_gnat_projects=yes])
1026 AC_MSG_RESULT($enable_gnat_projects)
1028 dnl ---------------------------------------------------------------------------
1029 dnl CF_ENABLE_BROKEN_LINKER version: 2 updated: 2021/01/02 17:09:14
1030 dnl -----------------------
1031 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
1032 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
1033 dnl an unconditional feature.
1034 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
1036 AC_MSG_CHECKING(if you want broken-linker support code)
1037 AC_ARG_ENABLE(broken_linker,
1038 [ --enable-broken_linker compile with broken-linker support code],
1039 [with_broken_linker=$enableval],
1040 [with_broken_linker=no])
1041 AC_MSG_RESULT($with_broken_linker)
1043 : "${BROKEN_LINKER:=0}"
1044 if test "x$with_broken_linker" = xyes ; then
1045 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1048 AC_SUBST(BROKEN_LINKER)
1050 dnl ---------------------------------------------------------------------------
1051 dnl CF_ENABLE_WARNINGS version: 9 updated: 2021/01/05 19:40:50
1052 dnl ------------------
1053 dnl Configure-option to enable gcc warnings
1055 dnl $1 = extra options to add, if supported
1056 dnl $2 = option for checking attributes. By default, this is done when
1057 dnl warnings are enabled. For other values:
1058 dnl yes: always do this, e.g., to use in generated library-headers
1059 dnl no: never do this
1060 AC_DEFUN([CF_ENABLE_WARNINGS],[
1061 if test "$GCC" = yes || test "$GXX" = yes
1063 CF_FIX_WARNINGS(CFLAGS)
1064 CF_FIX_WARNINGS(CPPFLAGS)
1065 CF_FIX_WARNINGS(LDFLAGS)
1066 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1067 CF_ARG_ENABLE(warnings,
1068 [ --enable-warnings test: turn on gcc compiler warnings],
1069 [enable_warnings=yes],
1070 [enable_warnings=no])
1071 AC_MSG_RESULT($enable_warnings)
1072 if test "$enable_warnings" = "yes"
1074 ifelse($2,,[CF_GCC_ATTRIBUTES])
1077 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
1080 dnl ---------------------------------------------------------------------------
1081 dnl CF_FIND_LIBRARY version: 11 updated: 2021/01/02 09:31:20
1083 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1084 dnl prefer a standard location, and use -L options only if we do not find the
1085 dnl library in the standard library location(s).
1086 dnl $1 = library name
1087 dnl $2 = library class, usually the same as library name
1089 dnl $4 = code fragment to compile/link
1090 dnl $5 = corresponding function-name
1091 dnl $6 = flag, nonnull if failure should not cause an error-exit
1093 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1094 dnl to use a -L option.
1095 AC_DEFUN([CF_FIND_LIBRARY],
1097 eval 'cf_cv_have_lib_'"$1"'=no'
1100 eval 'cf_cv_have_lib_'"$1"'=yes',[
1101 cf_save_LIBS="$LIBS"
1102 AC_MSG_CHECKING(for $5 in -l$1)
1104 AC_TRY_LINK([$3],[$4],
1106 eval 'cf_cv_have_lib_'"$1"'=yes'
1109 CF_LIBRARY_PATH(cf_search,$2)
1110 for cf_libdir in $cf_search
1112 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1113 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1114 AC_TRY_LINK([$3],[$4],
1116 eval 'cf_cv_have_lib_'"$1"'=yes'
1119 LIBS="$cf_save_LIBS"])
1123 eval 'cf_found_library="[$]cf_cv_have_lib_'"$1"\"
1125 if test "$cf_found_library" = no ; then
1126 AC_MSG_ERROR(Cannot link $1 library)
1130 dnl ---------------------------------------------------------------------------
1131 dnl CF_FIND_LINKAGE version: 22 updated: 2020/12/31 20:19:42
1133 dnl Find a library (specifically the linkage used in the code fragment),
1134 dnl searching for it if it is not already in the library path.
1135 dnl See also CF_ADD_SEARCHPATH.
1137 dnl Parameters (4-on are optional):
1138 dnl $1 = headers for library entrypoint
1139 dnl $2 = code fragment for library entrypoint
1140 dnl $3 = the library name without the "-l" option or ".so" suffix.
1141 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1142 dnl $5 = action to perform if not successful
1143 dnl $6 = module name, if not the same as the library name
1144 dnl $7 = extra libraries
1146 dnl Sets these variables:
1147 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1148 dnl $cf_cv_header_path_$3 - include-directory if needed
1149 dnl $cf_cv_library_path_$3 - library-directory if needed
1150 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1151 AC_DEFUN([CF_FIND_LINKAGE],[
1153 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1154 # will be set on completion of the AC_TRY_LINK below.
1155 cf_cv_header_path_$3=
1156 cf_cv_library_path_$3=
1158 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1160 cf_save_LIBS="$LIBS"
1162 AC_TRY_LINK([$1],[$2],[
1163 cf_cv_find_linkage_$3=yes
1164 cf_cv_header_path_$3=/usr/include
1165 cf_cv_library_path_$3=/usr/lib
1168 LIBS="-l$3 $7 $cf_save_LIBS"
1170 AC_TRY_LINK([$1],[$2],[
1171 cf_cv_find_linkage_$3=yes
1172 cf_cv_header_path_$3=/usr/include
1173 cf_cv_library_path_$3=/usr/lib
1174 cf_cv_library_file_$3="-l$3"
1176 cf_cv_find_linkage_$3=no
1177 LIBS="$cf_save_LIBS"
1179 CF_VERBOSE(find linkage for $3 library)
1180 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1182 cf_save_CPPFLAGS="$CPPFLAGS"
1183 cf_test_CPPFLAGS="$CPPFLAGS"
1185 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1186 for cf_cv_header_path_$3 in $cf_search
1188 if test -d "$cf_cv_header_path_$3" ; then
1189 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1190 CPPFLAGS="$cf_save_CPPFLAGS"
1191 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1192 AC_TRY_COMPILE([$1],[$2],[
1193 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1194 cf_cv_find_linkage_$3=maybe
1195 cf_test_CPPFLAGS="$CPPFLAGS"
1197 CPPFLAGS="$cf_save_CPPFLAGS"
1202 if test "$cf_cv_find_linkage_$3" = maybe ; then
1204 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1206 cf_save_LIBS="$LIBS"
1207 cf_save_LDFLAGS="$LDFLAGS"
1210 CPPFLAGS="$cf_test_CPPFLAGS"
1211 LIBS="-l$3 $7 $cf_save_LIBS"
1212 AC_TRY_LINK([$1],[$2],[
1213 CF_VERBOSE(... found $3 library in system)
1214 cf_cv_find_linkage_$3=yes])
1215 CPPFLAGS="$cf_save_CPPFLAGS"
1216 LIBS="$cf_save_LIBS"
1219 if test "$cf_cv_find_linkage_$3" != yes ; then
1220 CF_LIBRARY_PATH(cf_search,$3)
1221 for cf_cv_library_path_$3 in $cf_search
1223 if test -d "$cf_cv_library_path_$3" ; then
1224 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1225 CPPFLAGS="$cf_test_CPPFLAGS"
1226 LIBS="-l$3 $7 $cf_save_LIBS"
1227 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1228 AC_TRY_LINK([$1],[$2],[
1229 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1230 cf_cv_find_linkage_$3=yes
1231 cf_cv_library_file_$3="-l$3"
1233 CPPFLAGS="$cf_save_CPPFLAGS"
1234 LIBS="$cf_save_LIBS"
1235 LDFLAGS="$cf_save_LDFLAGS"
1239 CPPFLAGS="$cf_save_CPPFLAGS"
1240 LDFLAGS="$cf_save_LDFLAGS"
1244 cf_cv_find_linkage_$3=no
1249 LIBS="$cf_save_LIBS"
1251 if test "$cf_cv_find_linkage_$3" = yes ; then
1253 CF_ADD_INCDIR($cf_cv_header_path_$3)
1254 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1258 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1261 dnl ---------------------------------------------------------------------------
1262 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1263 dnl -----------------
1264 dnl make ADAFLAGS consistent with CFLAGS
1265 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1266 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1274 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1275 CF_ADD_ADAFLAGS($cf_O_flag)
1278 AC_MSG_RESULT($ADAFLAGS)
1280 dnl ---------------------------------------------------------------------------
1281 dnl CF_FIX_WARNINGS version: 3 updated: 2020/12/31 18:40:20
1283 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
1284 dnl "-Werror" flags can interfere with configure-checks. Those go into
1287 dnl $1 = variable name to repair
1288 define([CF_FIX_WARNINGS],[
1289 if test "$GCC" = yes || test "$GXX" = yes
1293 CF_VERBOSE(repairing $1: [$]$1)
1295 for cf_temp_scan in [$]$1
1297 case "x$cf_temp_scan" in
1299 CF_APPEND_TEXT(EXTRA_CFLAGS,$cf_temp_scan)
1302 CF_APPEND_TEXT(cf_temp_flags,$cf_temp_scan)
1307 CF_VERBOSE(... fixed [$]$1)
1308 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1312 AC_SUBST(EXTRA_CFLAGS)
1314 dnl ---------------------------------------------------------------------------
1315 dnl CF_GCC_ATTRIBUTES version: 24 updated: 2021/03/20 12:00:25
1316 dnl -----------------
1317 dnl Test for availability of useful gcc __attribute__ directives to quiet
1318 dnl compiler warnings. Though useful, not all are supported -- and contrary
1319 dnl to documentation, unrecognized directives cause older compilers to barf.
1320 AC_DEFUN([CF_GCC_ATTRIBUTES],
1321 [AC_REQUIRE([AC_PROG_FGREP])dnl
1322 AC_REQUIRE([CF_C11_NORETURN])dnl
1324 if test "$GCC" = yes || test "$GXX" = yes
1326 cat > conftest.i <<EOF
1328 #define GCC_PRINTF 0
1333 #ifndef GCC_NORETURN
1334 #define GCC_NORETURN /* nothing */
1337 #define GCC_UNUSED /* nothing */
1340 if test "$GCC" = yes
1342 AC_CHECKING([for $CC __attribute__ directives])
1343 cat > "conftest.$ac_ext" <<EOF
1344 #line __oline__ "${as_me:-configure}"
1345 #include "confdefs.h"
1346 #include "conftest.h"
1347 #include "conftest.i"
1349 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1351 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1354 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1356 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1358 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1359 extern GCC_NORETURN void oops(char *,...) GCC_PRINTFLIKE(1,2);
1360 extern GCC_NORETURN void foo(void);
1361 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1363 cf_printf_attribute=no
1364 cf_scanf_attribute=no
1365 for cf_attribute in scanf printf unused noreturn
1367 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1368 cf_directive="__attribute__(($cf_attribute))"
1369 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1371 case "$cf_attribute" in
1373 cf_printf_attribute=yes
1374 cat >conftest.h <<EOF
1375 #define GCC_$cf_ATTRIBUTE 1
1379 cf_scanf_attribute=yes
1380 cat >conftest.h <<EOF
1381 #define GCC_$cf_ATTRIBUTE 1
1385 cat >conftest.h <<EOF
1386 #define GCC_$cf_ATTRIBUTE $cf_directive
1391 if AC_TRY_EVAL(ac_compile); then
1392 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1393 cat conftest.h >>confdefs.h
1394 case "$cf_attribute" in
1396 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1399 cf_value='/* nothing */'
1400 if test "$cf_printf_attribute" != no ; then
1401 cf_value='__attribute__((format(printf,fmt,var)))'
1402 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1404 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1407 cf_value='/* nothing */'
1408 if test "$cf_scanf_attribute" != no ; then
1409 cf_value='__attribute__((format(scanf,fmt,var)))'
1410 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1412 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1415 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1421 ${FGREP-fgrep} define conftest.i >>confdefs.h
1426 dnl ---------------------------------------------------------------------------
1427 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1429 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1430 dnl compatible), attempt to determine if icc/clang is actually used.
1431 AC_DEFUN([CF_GCC_VERSION],[
1432 AC_REQUIRE([AC_PROG_CC])
1434 if test "$GCC" = yes ; then
1435 AC_MSG_CHECKING(version of $CC)
1436 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1437 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1438 AC_MSG_RESULT($GCC_VERSION)
1440 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1441 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1443 dnl ---------------------------------------------------------------------------
1444 dnl CF_GCC_WARNINGS version: 41 updated: 2021/01/01 16:53:59
1446 dnl Check if the compiler supports useful warning options. There's a few that
1447 dnl we don't use, simply because they're too noisy:
1449 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1450 dnl -Winline (usually not worthwhile)
1451 dnl -Wredundant-decls (system headers make this too noisy)
1452 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1453 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1454 dnl is enabled for ncurses using "--enable-const".
1458 dnl $1 is an optional list of gcc warning flags that a particular
1459 dnl application might want to use, e.g., "no-unused" for
1462 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1464 AC_DEFUN([CF_GCC_WARNINGS],
1466 AC_REQUIRE([CF_GCC_VERSION])
1467 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1468 cat > "conftest.$ac_ext" <<EOF
1469 #line __oline__ "${as_me:-configure}"
1470 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1472 if test "$INTEL_COMPILER" = yes
1474 # The "-wdXXX" options suppress warnings:
1475 # remark #1419: external declaration in primary source file
1476 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1477 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1478 # remark #193: zero used for undefined preprocessing identifier
1479 # remark #593: variable "curs_sb_left_arrow" was set but never used
1480 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1481 # remark #869: parameter "tw" was never referenced
1482 # remark #981: operands are evaluated in unspecified order
1483 # warning #279: controlling expression is constant
1485 AC_CHECKING([for $CC warning options])
1486 cf_save_CFLAGS="$CFLAGS"
1487 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1499 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1500 if AC_TRY_EVAL(ac_compile); then
1501 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1502 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1505 CFLAGS="$cf_save_CFLAGS"
1506 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1508 AC_CHECKING([for $CC warning options])
1509 cf_save_CFLAGS="$CFLAGS"
1511 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1512 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1513 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1514 for cf_opt in W Wall \
1515 Wbad-function-cast \
1518 Wdeclaration-after-statement \
1521 Wmissing-declarations \
1522 Wmissing-prototypes \
1526 Wstrict-prototypes \
1527 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1529 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1530 if AC_TRY_EVAL(ac_compile); then
1531 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1534 case "$GCC_VERSION" in
1536 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1541 case "$GCC_VERSION" in
1543 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1548 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1551 CFLAGS="$cf_save_CFLAGS"
1555 AC_SUBST(EXTRA_CFLAGS)
1557 dnl ---------------------------------------------------------------------------
1558 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1559 dnl -----------------
1560 AC_DEFUN([CF_GNATPREP_OPT_T],[
1561 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1562 cf_cv_gnatprep_opt_t=no
1563 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1565 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1566 AC_SUBST(GNATPREP_OPTS)
1568 dnl ---------------------------------------------------------------------------
1569 dnl CF_GNAT_GENERICS version: 7 updated: 2021/01/01 13:31:04
1570 dnl ----------------
1571 AC_DEFUN([CF_GNAT_GENERICS],
1573 AC_REQUIRE([CF_GNAT_VERSION])
1575 AC_MSG_CHECKING(if GNAT supports generics)
1576 case "$cf_cv_gnat_version" in
1577 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1578 cf_gnat_generics=yes
1584 AC_MSG_RESULT($cf_gnat_generics)
1586 if test "$cf_gnat_generics" = yes
1588 cf_compile_generics=generics
1589 cf_generic_objects="\${GENOBJS}"
1591 cf_compile_generics=
1595 AC_SUBST(cf_compile_generics)
1596 AC_SUBST(cf_generic_objects)
1598 dnl ---------------------------------------------------------------------------
1599 dnl CF_GNAT_PROJECTS version: 13 updated: 2021/01/02 17:09:14
1600 dnl ----------------
1601 dnl GNAT projects are configured with ".gpr" project files.
1602 dnl GNAT libraries are a further development, using the project feature.
1603 AC_DEFUN([CF_GNAT_PROJECTS],
1605 AC_REQUIRE([CF_GNAT_VERSION])
1606 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1608 cf_gnat_libraries=no
1611 if test "$enable_gnat_projects" != no ; then
1612 AC_MSG_CHECKING(if GNAT supports project files)
1613 case "$cf_cv_gnat_version" in
1617 case "$cf_cv_system_name" in
1621 rm -rf ./conftest* ./*~conftest*
1622 if mkdir conftest.src conftest.bin conftest.lib
1625 rm -rf ./conftest* ./*~conftest*
1626 cat >>library.gpr <<CF_EOF
1628 Kind := External ("LIB_KIND");
1629 for Library_Name use "ConfTest";
1630 for Object_Dir use ".";
1631 for Library_ALI_Dir use External("LIBRARY_DIR");
1632 for Library_Version use External ("SONAME");
1633 for Library_Kind use Kind;
1634 for Library_Dir use External("BUILD_DIR");
1635 Source_Dir := External ("SOURCE_DIR");
1636 for Source_Dirs use (Source_Dir);
1639 cat >>confpackage.ads <<CF_EOF
1640 package ConfPackage is
1644 cat >>confpackage.adb <<CF_EOF
1646 package body ConfPackage is
1647 procedure conftest is
1649 Text_IO.Put ("Hello World");
1654 if ( "$cf_ada_make" $ADAFLAGS \
1656 -XBUILD_DIR="`cd ../conftest.bin;pwd`" \
1657 -XLIBRARY_DIR="`cd ../conftest.lib;pwd`" \
1658 -XSOURCE_DIR="`pwd`" \
1659 -XSONAME=libConfTest.so.1 \
1660 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1661 cf_gnat_projects=yes
1665 if test -f conftest.lib/confpackage.ali
1667 cf_gnat_libraries=yes
1669 rm -rf ./conftest* ./*~conftest*
1674 AC_MSG_RESULT($cf_gnat_projects)
1675 fi # enable_gnat_projects
1677 if test "$cf_gnat_projects" = yes
1679 AC_MSG_CHECKING(if GNAT supports libraries)
1680 AC_MSG_RESULT($cf_gnat_libraries)
1683 USE_OLD_MAKERULES=""
1684 USE_GNAT_PROJECTS="#"
1685 USE_GNAT_MAKE_GPR="#"
1686 USE_GNAT_GPRBUILD="#"
1688 if test "$cf_gnat_projects" = yes
1690 USE_OLD_MAKERULES="#"
1691 USE_GNAT_PROJECTS=""
1692 if test "$cf_cv_VERSION_GPRBUILD" != no
1694 USE_GNAT_GPRBUILD=""
1695 elif test "$cf_cv_VERSION_GNATMAKE" != no
1697 USE_GNAT_MAKE_GPR=""
1699 AC_MSG_WARN(use old makefile rules since tools are missing)
1703 if test "$cf_gnat_libraries" = yes
1705 USE_GNAT_LIBRARIES=""
1707 USE_GNAT_LIBRARIES="#"
1710 AC_SUBST(USE_OLD_MAKERULES)
1711 AC_SUBST(USE_GNAT_PROJECTS)
1712 AC_SUBST(USE_GNAT_LIBRARIES)
1713 AC_SUBST(USE_GNAT_MAKE_GPR)
1714 AC_SUBST(USE_GNAT_GPRBUILD)
1716 dnl ---------------------------------------------------------------------------
1717 dnl CF_GNAT_SIGINT version: 2 updated: 2021/01/01 13:31:04
1719 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1720 dnl is noted that gnat may compile a tasking unit even for configurations which
1721 dnl fail at runtime.
1722 AC_DEFUN([CF_GNAT_SIGINT],[
1723 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1724 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1728 pragma Warnings (Off); -- the next pragma exists since 3.11p
1729 pragma Unreserve_All_Interrupts;
1730 pragma Warnings (On);
1732 protected Process is
1734 function Continue return Boolean;
1735 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1737 Done : Boolean := False;
1741 [package body ConfTest is
1742 protected body Process is
1747 function Continue return Boolean is
1753 [cf_cv_gnat_sigint=yes],
1754 [cf_cv_gnat_sigint=no])])
1756 if test "$cf_cv_gnat_sigint" = yes ; then
1761 AC_SUBST(USE_GNAT_SIGINT)
1763 dnl ---------------------------------------------------------------------------
1764 dnl CF_GNAT_TRY_LINK version: 4 updated: 2021/01/01 13:31:04
1765 dnl ----------------
1766 dnl Verify that a test program compiles/links with GNAT.
1767 dnl $cf_ada_make is set to the program that compiles/links
1768 dnl $ADAFLAGS may be set to the GNAT flags.
1770 dnl $1 is the text of the spec
1771 dnl $2 is the text of the body
1772 dnl $3 is the shell command to execute if successful
1773 dnl $4 is the shell command to execute if not successful
1774 AC_DEFUN([CF_GNAT_TRY_LINK],
1776 rm -rf ./conftest* ./*~conftest*
1777 cat >>conftest.ads <<CF_EOF
1780 cat >>conftest.adb <<CF_EOF
1783 if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1784 ifelse($3,, :,[ $3])
1788 rm -rf ./conftest* ./*~conftest*
1790 dnl ---------------------------------------------------------------------------
1791 dnl CF_GNAT_TRY_RUN version: 6 updated: 2021/01/01 13:31:04
1793 dnl Verify that a test program compiles and runs with GNAT
1794 dnl $cf_ada_make is set to the program that compiles/links
1795 dnl $ADAFLAGS may be set to the GNAT flags.
1797 dnl $1 is the text of the spec
1798 dnl $2 is the text of the body
1799 dnl $3 is the shell command to execute if successful
1800 dnl $4 is the shell command to execute if not successful
1801 AC_DEFUN([CF_GNAT_TRY_RUN],
1803 rm -rf ./conftest* ./*~conftest*
1804 cat >>conftest.ads <<CF_EOF
1807 cat >>conftest.adb <<CF_EOF
1810 if ( "$cf_ada_make" $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1811 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1812 ifelse($3,, :,[ $3])
1819 rm -rf ./conftest* ./*~conftest*
1821 dnl ---------------------------------------------------------------------------
1822 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1824 dnl $1 = cache variable to update
1825 dnl $2 = program name
1826 dnl Verify version of GNAT or related tool
1827 AC_DEFUN([CF_GNAT_VERSION],
1829 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1830 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1831 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1832 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1834 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1835 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1837 dnl ---------------------------------------------------------------------------
1838 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1840 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1841 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1842 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1843 dnl since it is interwoven with GNU extensions.
1845 dnl Well, yes we could work around it...
1848 dnl $1 is the nominal value for _XOPEN_SOURCE
1849 AC_DEFUN([CF_GNU_SOURCE],
1851 cf_gnu_xopen_source=ifelse($1,,500,$1)
1853 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1854 AC_TRY_COMPILE([#include <sys/types.h>],[
1855 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1857 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1860 # error not GNU C library
1862 [cf_cv_gnu_library=yes],
1863 [cf_cv_gnu_library=no])
1866 if test x$cf_cv_gnu_library = xyes; then
1868 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1869 # was changed to help a little. newlib incorporated the change about 4
1871 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1873 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1874 AC_TRY_COMPILE([#include <sys/types.h>],[
1875 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1877 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1880 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1882 [cf_cv_gnu_library_219=yes],
1883 [cf_cv_gnu_library_219=no])
1887 if test "x$cf_cv_gnu_library_219" = xyes; then
1889 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1890 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1893 #include <sys/types.h>
1895 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1898 # error GNU C library is too old
1900 [cf_cv_gnu_dftsrc_219=yes],
1901 [cf_cv_gnu_dftsrc_219=no])
1903 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1905 cf_cv_gnu_dftsrc_219=maybe
1908 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1910 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1911 AC_TRY_COMPILE([#include <sys/types.h>],[
1912 #ifndef _XOPEN_SOURCE
1913 #error expected _XOPEN_SOURCE to be defined
1915 [cf_cv_gnu_source=no],
1916 [cf_save="$CPPFLAGS"
1917 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1918 AC_TRY_COMPILE([#include <sys/types.h>],[
1919 #ifdef _XOPEN_SOURCE
1920 #error expected _XOPEN_SOURCE to be undefined
1922 [cf_cv_gnu_source=no],
1923 [cf_cv_gnu_source=yes])
1928 if test "$cf_cv_gnu_source" = yes
1930 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1931 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1932 AC_TRY_COMPILE([#include <sys/types.h>],[
1933 #ifdef _DEFAULT_SOURCE
1934 #error expected _DEFAULT_SOURCE to be undefined
1936 [cf_cv_default_source=no],
1937 [cf_cv_default_source=yes])
1939 if test "$cf_cv_default_source" = yes
1941 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1948 dnl ---------------------------------------------------------------------------
1949 dnl CF_HEADER_PATH version: 15 updated: 2021/01/01 13:31:04
1951 dnl Construct a search-list of directories for a nonstandard header-file
1954 dnl $1 = the variable to return as result
1955 dnl $2 = the package name
1956 AC_DEFUN([CF_HEADER_PATH],
1960 # collect the current set of include-directories from compiler flags
1961 cf_header_path_list=""
1962 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1963 for cf_header_path in $CPPFLAGS $CFLAGS
1965 case "$cf_header_path" in
1967 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1968 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1969 cf_header_path_list="$cf_header_path_list [$]$1"
1975 # add the variations for the package we are looking for
1976 CF_SUBDIR_PATH($1,$2,include)
1978 test "$includedir" != NONE && \
1979 test "$includedir" != "/usr/include" && \
1980 test -d "$includedir" && {
1981 test -d "$includedir" && $1="[$]$1 $includedir"
1982 test -d "$includedir/$2" && $1="[$]$1 $includedir/$2"
1985 test "$oldincludedir" != NONE && \
1986 test "$oldincludedir" != "/usr/include" && \
1987 test -d "$oldincludedir" && {
1988 test -d "$oldincludedir" && $1="[$]$1 $oldincludedir"
1989 test -d "$oldincludedir/$2" && $1="[$]$1 $oldincludedir/$2"
1992 $1="[$]$1 $cf_header_path_list"
1994 dnl ---------------------------------------------------------------------------
1995 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1997 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1998 AC_DEFUN([CF_HELP_MESSAGE],
1999 [CF_ACVERSION_CHECK(2.53,[],[
2000 AC_DIVERT_HELP($1)])dnl
2002 dnl ---------------------------------------------------------------------------
2003 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
2005 dnl Construct the list of include-options according to whether we're building
2006 dnl in the source directory or using '--srcdir=DIR' option.
2007 AC_DEFUN([CF_INCLUDE_DIRS],
2009 if test "$srcdir" != "."; then
2010 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
2012 CPPFLAGS="-I../include $CPPFLAGS"
2013 if test "$srcdir" != "."; then
2014 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
2016 CPPFLAGS="-I. $CPPFLAGS"
2019 dnl ---------------------------------------------------------------------------
2020 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
2022 dnl prompt for/fill-in useful install-program options
2023 AC_DEFUN([CF_INSTALL_OPTS],
2029 dnl ---------------------------------------------------------------------------
2030 dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42
2031 dnl ----------------
2032 dnl Almost all "install" programs default to the current user's ownership.
2033 dnl Almost - MINIX is an exception.
2034 AC_DEFUN([CF_INSTALL_OPT_O],
2036 AC_MSG_CHECKING(if install needs to be told about ownership)
2037 case `$ac_config_guess` in
2046 AC_MSG_RESULT($with_install_o)
2047 if test "x$with_install_o" = xyes
2049 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'`"
2054 AC_SUBST(INSTALL_OPT_O)
2056 dnl ---------------------------------------------------------------------------
2057 dnl CF_INSTALL_OPT_P version: 3 updated: 2021/01/01 13:31:04
2058 dnl ----------------
2059 dnl Some install-programs accept a "-p" option to preserve file modification
2060 dnl timestamps. That can be useful as an install option, as well as a way to
2061 dnl avoid the need for ranlib after copying a static archive.
2062 AC_DEFUN([CF_INSTALL_OPT_P],
2064 : "${INSTALL:=install}"
2065 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
2070 if $INSTALL -p conftest.in conftest.out 2>/dev/null
2072 if test -f conftest.out/conftest.in
2074 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
2075 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
2076 if test -s conftest.err
2091 dnl ---------------------------------------------------------------------------
2092 dnl CF_INSTALL_OPT_S version: 3 updated: 2021/01/05 19:23:48
2093 dnl ----------------
2094 dnl By default, we should strip executables which are installed, but leave the
2095 dnl ability to suppress that for unit-testing.
2096 AC_DEFUN([CF_INSTALL_OPT_S],
2098 AC_MSG_CHECKING(if you want to install stripped executables)
2099 CF_ARG_DISABLE(stripping,
2100 [ --disable-stripping do not strip (debug info) installed executables],
2101 [enable_stripping=no],
2102 [enable_stripping=yes])
2103 AC_MSG_RESULT($enable_stripping)
2105 if test "$enable_stripping" = yes
2111 AC_SUBST(INSTALL_OPT_S)
2113 dnl ---------------------------------------------------------------------------
2114 dnl CF_INTEL_COMPILER version: 8 updated: 2021/01/01 16:53:59
2115 dnl -----------------
2116 dnl Check if the given compiler is really the Intel compiler for Linux. It
2117 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2118 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2120 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2121 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2122 dnl the wrappers for gcc and g++ warnings.
2124 dnl $1 = GCC (default) or GXX
2125 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2126 dnl $3 = CFLAGS (default) or CXXFLAGS
2127 AC_DEFUN([CF_INTEL_COMPILER],[
2128 AC_REQUIRE([AC_CANONICAL_HOST])
2129 ifelse([$2],,INTEL_COMPILER,[$2])=no
2131 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2134 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2135 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2136 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2138 #ifdef __INTEL_COMPILER
2142 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2143 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2145 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2146 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2151 dnl ---------------------------------------------------------------------------
2152 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2154 dnl Add checks for large file support.
2155 AC_DEFUN([CF_LARGEFILE],[
2156 ifdef([AC_FUNC_FSEEKO],[
2158 if test "$enable_largefile" != no ; then
2161 # Normally we would collect these definitions in the config.h,
2162 # but (like _XOPEN_SOURCE), some environments rely on having these
2163 # defined before any of the system headers are included. Another
2164 # case comes up with C++, e.g., on AIX the compiler compiles the
2165 # header files by themselves before looking at the body files it is
2166 # told to compile. For ncurses, those header files do not include
2168 if test "$ac_cv_sys_large_files" != no
2170 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2172 if test "$ac_cv_sys_largefile_source" != no
2174 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2176 if test "$ac_cv_sys_file_offset_bits" != no
2178 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2181 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2183 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2184 #include <sys/types.h>
2187 /* if transitional largefile support is setup, this is true */
2188 extern struct dirent64 * readdir(DIR *);
2189 struct dirent64 *x = readdir((DIR *)0);
2190 struct dirent *y = readdir((DIR *)0);
2194 [cf_cv_struct_dirent64=yes],
2195 [cf_cv_struct_dirent64=no])
2197 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2201 dnl ---------------------------------------------------------------------------
2202 dnl CF_LD_RPATH_OPT version: 9 updated: 2021/01/01 13:31:04
2204 dnl For the given system and compiler, find the compiler flags to pass to the
2205 dnl loader to use the "rpath" feature.
2206 AC_DEFUN([CF_LD_RPATH_OPT],
2208 AC_REQUIRE([CF_CHECK_CACHE])
2211 if test "x$cf_cv_enable_rpath" != xno
2213 AC_MSG_CHECKING(for an rpath option)
2214 case "$cf_cv_system_name" in
2216 if test "$GCC" = yes; then
2217 LD_RPATH_OPT="-Wl,-rpath,"
2219 LD_RPATH_OPT="-rpath "
2222 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2223 LD_RPATH_OPT="-Wl,-rpath,"
2225 (openbsd[[2-9]].*|mirbsd*)
2226 LD_RPATH_OPT="-Wl,-rpath,"
2229 LD_RPATH_OPT="-rpath "
2232 LD_RPATH_OPT="-Wl,-rpath,"
2235 LD_RPATH_OPT="-rpath "
2243 AC_MSG_RESULT($LD_RPATH_OPT)
2245 case "x$LD_RPATH_OPT" in
2247 AC_MSG_CHECKING(if we need a space after rpath option)
2248 cf_save_LIBS="$LIBS"
2249 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2250 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2251 LIBS="$cf_save_LIBS"
2252 AC_MSG_RESULT($cf_rpath_space)
2253 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2258 dnl ---------------------------------------------------------------------------
2259 dnl CF_LIBRARY_PATH version: 11 updated: 2021/01/01 13:31:04
2261 dnl Construct a search-list of directories for a nonstandard library-file
2264 dnl $1 = the variable to return as result
2265 dnl $2 = the package name
2266 AC_DEFUN([CF_LIBRARY_PATH],
2269 cf_library_path_list=""
2270 if test -n "${LDFLAGS}${LIBS}" ; then
2271 for cf_library_path in $LDFLAGS $LIBS
2273 case "$cf_library_path" in
2275 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2276 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2277 cf_library_path_list="$cf_library_path_list [$]$1"
2283 CF_SUBDIR_PATH($1,$2,lib)
2285 $1="$cf_library_path_list [$]$1"
2287 dnl ---------------------------------------------------------------------------
2288 dnl CF_LIB_PREFIX version: 14 updated: 2021/01/01 13:31:04
2290 dnl Compute the library-prefix for the given host system
2291 dnl $1 = variable to set
2292 define([CF_LIB_PREFIX],
2294 case "$cf_cv_system_name" in
2296 if test "$DFT_LWR_MODEL" = libtool; then
2305 (*) LIB_PREFIX='lib'
2308 ifelse($1,,,[$1=$LIB_PREFIX])
2309 AC_SUBST(LIB_PREFIX)
2311 dnl ---------------------------------------------------------------------------
2312 dnl CF_LIB_SUFFIX version: 28 updated: 2021/01/01 16:53:59
2314 dnl Compute the library file-suffix from the given model name
2316 dnl $2 = variable to set (the nominal library suffix)
2317 dnl $3 = dependency variable to set (actual filename)
2318 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2319 AC_DEFUN([CF_LIB_SUFFIX],
2327 case "$cf_cv_system_name" in
2338 case "$cf_cv_system_name" in
2349 case "$cf_cv_system_name" in
2358 (cygwin*|msys*|mingw*)
2396 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2398 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2399 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2402 dnl ---------------------------------------------------------------------------
2403 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2405 dnl Compute the string to append to -library from the given model name
2407 dnl $2 = variable to set
2408 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2409 AC_DEFUN([CF_LIB_TYPE],
2415 (profile) $2='_p' ;;
2418 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2420 dnl ---------------------------------------------------------------------------
2421 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2422 dnl ----------------
2423 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2424 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2425 dnl have to provide wrappers for global tables to ensure they're linked
2427 AC_DEFUN([CF_LINK_DATAONLY],
2429 AC_MSG_CHECKING([if data-only library module links])
2430 AC_CACHE_VAL(cf_cv_link_dataonly,[
2432 cat >conftest.$ac_ext <<EOF
2433 #line __oline__ "configure"
2434 int testdata[[3]] = { 123, 456, 789 };
2436 if AC_TRY_EVAL(ac_compile) ; then
2437 mv conftest.o data.o && \
2438 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2440 rm -f conftest.$ac_ext data.o
2441 cat >conftest.$ac_ext <<EOF
2442 #line __oline__ "configure"
2446 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2448 extern int testdata[[3]];
2449 return testdata[[0]] == 123
2450 && testdata[[1]] == 456
2451 && testdata[[2]] == 789;
2455 if AC_TRY_EVAL(ac_compile); then
2456 mv conftest.o func.o && \
2457 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2459 rm -f conftest.$ac_ext func.o
2460 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2462 LIBS="conftest.a $LIBS"
2466 extern int testfunc();
2467 ${cf_cv_main_return:-return} (!testfunc());
2470 [cf_cv_link_dataonly=yes],
2471 [cf_cv_link_dataonly=no],
2472 [cf_cv_link_dataonly=unknown])
2475 AC_MSG_RESULT($cf_cv_link_dataonly)
2477 if test "$cf_cv_link_dataonly" = no ; then
2478 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2481 AC_SUBST(BROKEN_LINKER)
2484 dnl ---------------------------------------------------------------------------
2485 dnl CF_MAKEFLAGS version: 20 updated: 2021/01/03 19:29:49
2487 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2488 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2489 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2490 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2491 AC_DEFUN([CF_MAKEFLAGS],
2492 [AC_REQUIRE([AC_PROG_FGREP])dnl
2494 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2496 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2498 cat >cf_makeflags.tmp <<CF_EOF
2501 @ echo '.$cf_option'
2503 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | ${FGREP-fgrep} -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2504 case "$cf_result" in
2506 cf_result="`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`"
2507 case "$cf_result" in
2508 (.*CC=*) cf_cv_makeflags=
2510 (*) cf_cv_makeflags=$cf_option
2518 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2522 rm -f cf_makeflags.tmp
2525 AC_SUBST(cf_cv_makeflags)
2527 dnl ---------------------------------------------------------------------------
2528 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2530 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2531 dnl a monocase filesystem.
2532 AC_DEFUN([CF_MAKE_TAGS],[
2533 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2535 AC_CHECK_PROGS(CTAGS, exctags ctags)
2536 AC_CHECK_PROGS(ETAGS, exetags etags)
2538 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2540 if test "$cf_cv_mixedcase" = yes ; then
2541 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2546 if test "$MAKE_UPPER_TAGS" = yes ; then
2552 if test "$MAKE_LOWER_TAGS" = yes ; then
2561 AC_SUBST(MAKE_UPPER_TAGS)
2562 AC_SUBST(MAKE_LOWER_TAGS)
2564 dnl ---------------------------------------------------------------------------
2565 dnl CF_MIXEDCASE_FILENAMES version: 9 updated: 2021/01/01 16:53:59
2566 dnl ----------------------
2567 dnl Check if the file-system supports mixed-case filenames. If we're able to
2568 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2569 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2571 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2572 if test "$cross_compiling" = yes ; then
2573 case "$target_alias" in
2574 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
2582 rm -f conftest CONFTEST
2584 if test -f CONFTEST ; then
2589 rm -f conftest CONFTEST
2592 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2594 dnl ---------------------------------------------------------------------------
2595 dnl CF_MKSTEMP version: 11 updated: 2021/01/01 13:31:04
2597 dnl Check for a working mkstemp. This creates two files, checks that they are
2598 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2599 AC_DEFUN([CF_MKSTEMP],[
2603 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2606 #include <sys/types.h>
2607 #ifdef HAVE_UNISTD_H
2613 #include <sys/stat.h>
2616 char *tmpl = "conftestXXXXXX";
2624 for (n = 0; n < 2; ++n) {
2625 strcpy(name[n], tmpl);
2626 if ((fd = mkstemp(name[n])) >= 0) {
2627 if (!strcmp(name[n], tmpl)
2628 || stat(name[n], &sb) != 0
2629 || (sb.st_mode & S_IFMT) != S_IFREG
2630 || (sb.st_mode & 077) != 0) {
2637 && !strcmp(name[0], name[1]))
2639 ${cf_cv_main_return:-return}(result);
2641 ],[cf_cv_func_mkstemp=yes
2642 ],[cf_cv_func_mkstemp=no
2643 ],[cf_cv_func_mkstemp=maybe])
2645 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2646 AC_CHECK_FUNC(mkstemp)
2648 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2649 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2652 dnl ---------------------------------------------------------------------------
2653 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2655 dnl Write a debug message to config.log, along with the line number in the
2656 dnl configure script.
2657 AC_DEFUN([CF_MSG_LOG],[
2658 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2660 dnl ---------------------------------------------------------------------------
2661 dnl CF_NCURSES_ADDON version: 6 updated: 2021/01/04 19:33:05
2662 dnl ----------------
2663 dnl Configure an ncurses add-on, built outside the ncurses tree.
2664 AC_DEFUN([CF_NCURSES_ADDON],[
2665 AC_REQUIRE([CF_NCURSES_CONFIG])
2667 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2669 AC_MSG_CHECKING(if you want wide-character code)
2670 AC_ARG_ENABLE(widec,
2671 [ --enable-widec compile with wide-char/UTF-8 code],
2672 [with_widec=$enableval],
2674 AC_MSG_RESULT($with_widec)
2675 if test "$with_widec" = yes ; then
2677 CF_NCURSES_CONFIG(ncursesw)
2679 CF_NCURSES_CONFIG(ncurses)
2682 if test "$NCURSES_CONFIG_PKG" != none ; then
2683 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2685 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2686 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2687 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2689 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2690 if test -z "$cf_cv_abi_version"
2692 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2695 elif test "$NCURSES_CONFIG" != none ; then
2697 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2699 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2700 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2701 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2703 # ABI version is not available from headers
2704 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2708 for cf_name in MAJOR MINOR PATCH
2710 cat >conftest.$ac_ext <<CF_EOF
2711 #include <${cf_cv_ncurses_header:-curses.h}>
2712 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2714 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2716 if test -f conftest.out ; then
2717 cf_result=`sed -e "s/^.*AUTOCONF_${cf_name}[[ ]][[ ]]*//" conftest.out`
2718 eval NCURSES_$cf_name=\"$cf_result\"
2719 # cat conftest.$ac_ext
2724 cf_cv_abi_version=${NCURSES_MAJOR}
2728 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2730 dnl Show the computed version, for logging
2731 cf_cv_timestamp=`date`
2733 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2735 dnl We need these values in the generated headers
2736 AC_SUBST(NCURSES_MAJOR)
2737 AC_SUBST(NCURSES_MINOR)
2738 AC_SUBST(NCURSES_PATCH)
2740 dnl We need these values in the generated makefiles
2741 AC_SUBST(cf_cv_rel_version)
2742 AC_SUBST(cf_cv_abi_version)
2744 dnl FIXME - not needed for Ada95
2745 AC_SUBST(cf_cv_builtin_bool)
2746 AC_SUBST(cf_cv_header_stdbool_h)
2747 AC_SUBST(cf_cv_type_of_bool)dnl
2750 dnl ---------------------------------------------------------------------------
2751 dnl CF_NCURSES_CC_CHECK version: 5 updated: 2020/12/31 20:19:42
2752 dnl -------------------
2753 dnl Check if we can compile with ncurses' header file
2754 dnl $1 is the cache variable to set
2755 dnl $2 is the header-file to include
2756 dnl $3 is the root name (ncurses or ncursesw)
2757 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2759 ]ifelse($3,ncursesw,[
2760 #define _XOPEN_SOURCE_EXTENDED
2761 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2762 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2765 #ifdef NCURSES_VERSION
2766 ]ifelse($3,ncursesw,[
2771 printf("%s\\n", NCURSES_VERSION);
2783 dnl ---------------------------------------------------------------------------
2784 dnl CF_NCURSES_CONFIG version: 26 updated: 2021/01/03 08:05:37
2785 dnl -----------------
2786 dnl Tie together the configure-script macros for ncurses, preferring these in
2788 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2789 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2790 dnl c) just plain libraries
2792 dnl $1 is the root library name (default: "ncurses")
2793 AC_DEFUN([CF_NCURSES_CONFIG],[
2794 AC_REQUIRE([CF_PKG_CONFIG])
2795 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2796 cf_have_ncuconfig=no
2798 if test "x${PKG_CONFIG:=none}" != xnone; then
2799 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2800 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2803 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2804 cf_have_ncuconfig=unknown
2806 cf_save_CFLAGS="$CFLAGS"
2807 cf_save_CPPFLAGS="$CPPFLAGS"
2808 cf_save_LIBS="$LIBS"
2810 cf_pkg_cflags="`$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2811 cf_pkg_libs="`$PKG_CONFIG --libs $cf_ncuconfig_root`"
2813 # while -W for passing linker flags is prevalent, it is not "standard".
2814 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2815 # incompatible _and_ non-standard -W option which gives an error. Work
2816 # around that pitfall.
2817 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2819 CF_ADD_CFLAGS($cf_pkg_cflags)
2820 CF_ADD_LIBS($cf_pkg_libs)
2822 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2823 [initscr(); mousemask(0,0); tigetstr((char *)0);],
2824 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2826 { char *xx = curses_version(); return (xx == 0); }],
2827 [cf_test_ncuconfig=yes],
2828 [cf_test_ncuconfig=no],
2829 [cf_test_ncuconfig=maybe])],
2830 [cf_test_ncuconfig=no])
2832 CFLAGS="$cf_save_CFLAGS"
2833 CPPFLAGS="$cf_save_CPPFLAGS"
2834 LIBS="$cf_save_LIBS"
2836 if test "x$cf_test_ncuconfig" != xyes; then
2837 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2838 cf_pkg_cflags="$cf_temp"
2839 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2840 cf_pkg_libs="$cf_temp"
2845 CF_ADD_CFLAGS($cf_pkg_cflags)
2846 CF_ADD_LIBS($cf_pkg_libs)
2848 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2849 [initscr(); mousemask(0,0); tigetstr((char *)0);],
2850 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2852 { char *xx = curses_version(); return (xx == 0); }],
2853 [cf_have_ncuconfig=yes],
2854 [cf_have_ncuconfig=no],
2855 [cf_have_ncuconfig=maybe])],
2856 [cf_have_ncuconfig=no])
2857 AC_MSG_RESULT($cf_have_ncuconfig)
2858 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2859 if test "$cf_have_ncuconfig" != "yes"
2861 CPPFLAGS="$cf_save_CPPFLAGS"
2862 LIBS="$cf_save_LIBS"
2863 NCURSES_CONFIG_PKG=none
2865 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2866 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2872 NCURSES_CONFIG_PKG=none
2875 NCURSES_CONFIG_PKG=none
2878 if test "x$cf_have_ncuconfig" = "xno"; then
2879 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2881 CF_ACVERSION_CHECK(2.52,
2882 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2883 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2885 if test "$NCURSES_CONFIG" != none ; then
2887 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2888 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2890 # even with config script, some packages use no-override for curses.h
2891 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2893 dnl like CF_NCURSES_CPPFLAGS
2894 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2896 dnl like CF_NCURSES_LIBS
2897 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2898 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2900 dnl like CF_NCURSES_VERSION
2901 cf_cv_ncurses_version="`$NCURSES_CONFIG --version`"
2905 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2906 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2913 dnl ---------------------------------------------------------------------------
2914 dnl CF_NCURSES_CPPFLAGS version: 22 updated: 2021/01/02 09:31:20
2915 dnl -------------------
2916 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2917 dnl the CPPFLAGS variable so we can include its header.
2919 dnl The header files may be installed as either curses.h, or ncurses.h (would
2920 dnl be obsolete, except that some packagers prefer this name to distinguish it
2921 dnl from a "native" curses implementation). If not installed for overwrite,
2922 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2923 dnl /usr/include/ncurses), but someone may have installed overwriting the
2924 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2925 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2928 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2929 dnl is already in the include-path, don't even bother with this, since we cannot
2930 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2932 dnl The optional parameter gives the root name of the library, in case it is
2933 dnl not installed as the default curses library. That is how the
2934 dnl wide-character version of ncurses is installed.
2935 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2936 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2938 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2939 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2941 test -n "$cf_cv_curses_dir" && \
2942 test "$cf_cv_curses_dir" != "no" && { \
2943 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2946 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2947 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2948 { test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw; } && cf_header_list="$cf_header_list curses.h ncurses.h"
2949 for cf_header in $cf_header_list
2951 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2952 test "$cf_cv_ncurses_h" != no && break
2959 # some applications need this, but should check for NCURSES_VERSION
2960 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2964 dnl ---------------------------------------------------------------------------
2965 dnl CF_NCURSES_HEADER version: 7 updated: 2021/01/04 19:33:05
2966 dnl -----------------
2967 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2968 dnl variations of ncurses' installs.
2970 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2971 AC_DEFUN([CF_NCURSES_HEADER],[
2973 if test "$cf_cv_ncurses_h" != no ; then
2974 cf_cv_ncurses_header=$cf_cv_ncurses_h
2977 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2978 test -n "$verbose" && echo
2979 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2980 test -n "$verbose" && echo "search path $cf_search"
2981 cf_save2_CPPFLAGS="$CPPFLAGS"
2982 for cf_incdir in $cf_search
2984 CF_ADD_INCDIR($cf_incdir)
2989 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2990 if test "$cf_cv_ncurses_h2" != no ; then
2991 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2992 test -n "$verbose" && echo $ECHO_N " ... found $ECHO_C" 1>&AC_FD_MSG
2995 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2997 CPPFLAGS="$cf_save2_CPPFLAGS"
2998 test "$cf_cv_ncurses_h2" != no && break
3000 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
3003 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
3004 cf_cv_ncurses_header="`basename "$cf_cv_ncurses_h2"`"
3005 if test "`basename "$cf_1st_incdir"`" = "$cf_ncuhdr_root" ; then
3006 cf_cv_ncurses_header="$cf_ncuhdr_root/$cf_cv_ncurses_header"
3008 CF_ADD_INCDIR($cf_1st_incdir)
3012 # Set definitions to allow ifdef'ing for ncurses.h
3014 case "$cf_cv_ncurses_header" in
3016 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
3020 case "$cf_cv_ncurses_header" in
3021 (ncurses/curses.h|ncurses/ncurses.h)
3022 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
3024 (ncursesw/curses.h|ncursesw/ncurses.h)
3025 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
3030 dnl ---------------------------------------------------------------------------
3031 dnl CF_NCURSES_LIBS version: 20 updated: 2021/01/03 08:05:37
3033 dnl Look for the ncurses library. This is a little complicated on Linux,
3034 dnl because it may be linked with the gpm (general purpose mouse) library.
3035 dnl Some distributions have gpm linked with (bsd) curses, which makes it
3036 dnl unusable with ncurses. However, we don't want to link with gpm unless
3037 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
3038 dnl and the linker will record a dependency.
3040 dnl The optional parameter gives the root name of the library, in case it is
3041 dnl not installed as the default curses library. That is how the
3042 dnl wide-character version of ncurses is installed.
3043 AC_DEFUN([CF_NCURSES_LIBS],
3044 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
3046 cf_nculib_root=ifelse($1,,ncurses,$1)
3047 # This works, except for the special case where we find gpm, but
3048 # ncurses is in a nonstandard location via $LIBS, and we really want
3051 cf_ncurses_SAVE="$LIBS"
3052 AC_CHECK_LIB(gpm,Gpm_Open,
3053 [AC_CHECK_LIB(gpm,initscr,
3054 [LIBS="$cf_ncurses_SAVE"],
3055 [cf_ncurses_LIBS="-lgpm"])])
3059 # This is only necessary if you are linking against an obsolete
3060 # version of ncurses (but it should do no harm, since it's static).
3061 if test "$cf_nculib_root" = ncurses ; then
3062 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
3067 CF_ADD_LIBS($cf_ncurses_LIBS)
3069 if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
3071 CF_ADD_LIBS(-l$cf_nculib_root)
3073 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
3074 [#include <${cf_cv_ncurses_header:-curses.h}>],
3079 if test -n "$cf_ncurses_LIBS" ; then
3080 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
3081 cf_ncurses_SAVE="$LIBS"
3082 for p in $cf_ncurses_LIBS ; do
3083 q=`echo "$LIBS" | sed -e "s%$p %%" -e "s%$p$%%"`
3084 if test "$q" != "$LIBS" ; then
3088 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
3089 [initscr(); mousemask(0,0); tigetstr((char *)0);],
3090 [AC_MSG_RESULT(yes)],
3092 LIBS="$cf_ncurses_SAVE"])
3095 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3096 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3098 dnl ---------------------------------------------------------------------------
3099 dnl CF_NCURSES_VERSION version: 16 updated: 2020/12/31 20:19:42
3100 dnl ------------------
3101 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3102 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
3103 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3104 AC_DEFUN([CF_NCURSES_VERSION],
3106 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3107 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3108 cf_cv_ncurses_version=no
3110 rm -f "$cf_tempfile"
3112 #include <${cf_cv_ncurses_header:-curses.h}>
3116 FILE *fp = fopen("$cf_tempfile", "w");
3117 #ifdef NCURSES_VERSION
3118 # ifdef NCURSES_VERSION_PATCH
3119 fprintf(fp, "%s.%d\\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3121 fprintf(fp, "%s\\n", NCURSES_VERSION);
3125 fprintf(fp, "old\\n");
3130 ${cf_cv_main_return:-return}(0);
3132 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3134 # This will not work if the preprocessor splits the line after the
3135 # Autoconf token. The 'unproto' program does that.
3136 cat > "conftest.$ac_ext" <<EOF
3137 #include <${cf_cv_ncurses_header:-curses.h}>
3139 #ifdef NCURSES_VERSION
3140 Autoconf NCURSES_VERSION
3148 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3150 if test -f conftest.out ; then
3151 cf_out=`sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%' conftest.out`
3152 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3156 rm -f "$cf_tempfile"
3158 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3160 dnl ---------------------------------------------------------------------------
3161 dnl CF_OBJ_SUBDIR version: 8 updated: 2021/01/01 13:31:04
3163 dnl Compute the object-directory name from the given model name
3164 AC_DEFUN([CF_OBJ_SUBDIR],
3167 (libtool) $2='obj_lo' ;;
3168 (normal) $2='objects' ;;
3169 (debug) $2='obj_g' ;;
3170 (profile) $2='obj_p' ;;
3172 case "$cf_cv_system_name" in
3180 dnl ---------------------------------------------------------------------------
3181 dnl CF_PATHSEP version: 8 updated: 2021/01/01 13:31:04
3183 dnl Provide a value for the $PATH and similar separator (or amend the value
3184 dnl as provided in autoconf 2.5x).
3185 AC_DEFUN([CF_PATHSEP],
3187 AC_MSG_CHECKING(for PATH separator)
3188 case "$cf_cv_system_name" in
3189 (os2*) PATH_SEPARATOR=';' ;;
3190 (*) ${PATH_SEPARATOR:=':'} ;;
3192 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3193 AC_SUBST(PATH_SEPARATOR)
3194 AC_MSG_RESULT($PATH_SEPARATOR)
3196 dnl ---------------------------------------------------------------------------
3197 dnl CF_PATH_SYNTAX version: 18 updated: 2020/12/31 18:40:20
3199 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3200 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3201 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3202 dnl delayed evaluation of those symbols.
3203 AC_DEFUN([CF_PATH_SYNTAX],[
3204 if test "x$prefix" != xNONE; then
3205 cf_path_syntax="$prefix"
3207 cf_path_syntax="$ac_default_prefix"
3211 (.\[$]\(*\)*|.\'*\'*)
3215 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3217 (.\[$]\{*prefix\}*|.\[$]\{*dir\}*)
3221 $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
3226 $1=`echo "[$]$1" | sed -e s%NONE%$cf_path_syntax%`
3229 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3233 dnl ---------------------------------------------------------------------------
3234 dnl CF_PKG_CONFIG version: 11 updated: 2021/01/01 13:31:04
3236 dnl Check for the package-config program, unless disabled by command-line.
3237 AC_DEFUN([CF_PKG_CONFIG],
3239 AC_MSG_CHECKING(if you want to use pkg-config)
3240 AC_ARG_WITH(pkg-config,
3241 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3242 [cf_pkg_config=$withval],
3243 [cf_pkg_config=yes])
3244 AC_MSG_RESULT($cf_pkg_config)
3246 case "$cf_pkg_config" in
3251 CF_ACVERSION_CHECK(2.52,
3252 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3253 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3260 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3261 if test "$PKG_CONFIG" != none ; then
3262 CF_PATH_SYNTAX(PKG_CONFIG)
3263 elif test "x$cf_pkg_config" != xno ; then
3264 AC_MSG_WARN(pkg-config is not installed)
3267 AC_SUBST(PKG_CONFIG)
3269 dnl ---------------------------------------------------------------------------
3270 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3271 dnl -----------------
3272 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3274 dnl POSIX.1-1990 _POSIX_SOURCE
3275 dnl POSIX.1-1990 and _POSIX_SOURCE and
3276 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3278 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3279 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3280 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3283 dnl $1 is the nominal value for _POSIX_C_SOURCE
3284 AC_DEFUN([CF_POSIX_C_SOURCE],
3285 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3287 if test "$cf_cv_posix_visible" = no; then
3289 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3291 cf_save_CFLAGS="$CFLAGS"
3292 cf_save_CPPFLAGS="$CPPFLAGS"
3294 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3295 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3297 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3298 CF_MSG_LOG(if the symbol is already defined go no further)
3299 AC_TRY_COMPILE([#include <sys/types.h>],[
3300 #ifndef _POSIX_C_SOURCE
3303 [cf_cv_posix_c_source=no],
3304 [cf_want_posix_source=no
3305 case .$cf_POSIX_C_SOURCE in
3307 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3310 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3311 cf_want_posix_source=yes
3314 cf_want_posix_source=yes
3317 if test "$cf_want_posix_source" = yes ; then
3318 AC_TRY_COMPILE([#include <sys/types.h>],[
3319 #ifdef _POSIX_SOURCE
3322 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3324 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3325 CFLAGS="$cf_trim_CFLAGS"
3326 CPPFLAGS="$cf_trim_CPPFLAGS"
3327 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3328 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3329 AC_TRY_COMPILE([#include <sys/types.h>],[
3330 #ifndef _POSIX_C_SOURCE
3333 [cf_cv_posix_c_source=no])
3334 CFLAGS="$cf_save_CFLAGS"
3335 CPPFLAGS="$cf_save_CPPFLAGS"
3339 if test "$cf_cv_posix_c_source" != no ; then
3340 CFLAGS="$cf_trim_CFLAGS"
3341 CPPFLAGS="$cf_trim_CPPFLAGS"
3342 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3345 fi # cf_cv_posix_visible
3348 dnl ---------------------------------------------------------------------------
3349 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3350 dnl ----------------
3351 dnl POSIX documents test-macros which an application may set before any system
3352 dnl headers are included to make features available.
3354 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3355 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3356 dnl recent features visible in the system header files unless the application
3357 dnl overrides the corresponding test-macros. Doing that introduces portability
3360 dnl This macro makes a special check for the symbols used for this, to avoid a
3361 dnl conflicting definition.
3362 AC_DEFUN([CF_POSIX_VISIBLE],
3364 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3365 AC_TRY_COMPILE([#include <stdio.h>],[
3366 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3367 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3368 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3369 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3370 #error conflicting symbols found
3372 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3375 dnl ---------------------------------------------------------------------------
3376 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3378 dnl Check for archiver "ar".
3379 AC_DEFUN([CF_PROG_AR],[
3380 AC_CHECK_TOOL(AR, ar, ar)
3382 dnl ---------------------------------------------------------------------------
3383 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3385 dnl Check for awk, ensure that the check found something.
3386 AC_DEFUN([CF_PROG_AWK],
3389 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3391 dnl ---------------------------------------------------------------------------
3392 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3394 dnl standard check for CC, plus followup sanity checks
3395 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3396 AC_DEFUN([CF_PROG_CC],[
3397 CF_ACVERSION_CHECK(2.53,
3398 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3399 AC_REQUIRE([AC_PROG_CC])],
3401 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3403 CF_ACVERSION_CHECK(2.52,
3408 dnl ---------------------------------------------------------------------------
3409 dnl CF_PROG_CC_C_O version: 6 updated: 2021/01/01 13:31:04
3411 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3412 dnl the output file can be renamed, and allows for a shell variable that can
3413 dnl be used later. The parameter is either CC or CXX. The result is the
3415 dnl $cf_cv_prog_CC_c_o
3416 dnl $cf_cv_prog_CXX_c_o
3419 dnl $2 = compiler options, if any
3420 AC_DEFUN([CF_PROG_CC_C_O],
3421 [AC_REQUIRE([AC_PROG_CC])dnl
3422 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3423 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3425 cat > conftest.$ac_ext <<CF_EOF
3428 ${cf_cv_main_return:-return}(0);
3431 # We do the test twice because some compilers refuse to overwrite an
3432 # existing .o file with -o, though they will create one.
3433 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3434 if AC_TRY_EVAL(ac_try) &&
3435 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3437 eval cf_cv_prog_$1_c_o=yes
3439 eval cf_cv_prog_$1_c_o=no
3443 if test "$cf_cv_prog_$1_c_o" = yes; then
3444 AC_MSG_RESULT([yes])
3449 dnl ---------------------------------------------------------------------------
3450 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3452 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3453 dnl This macro adds a check to ensure the script found something.
3454 AC_DEFUN([CF_PROG_EGREP],
3455 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3456 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3457 then ac_cv_prog_egrep='grep -E'
3458 else ac_cv_prog_egrep='egrep'
3460 EGREP=$ac_cv_prog_egrep
3462 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3464 dnl ---------------------------------------------------------------------------
3465 dnl CF_PROG_EXT version: 15 updated: 2021/01/02 09:31:20
3467 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3468 AC_DEFUN([CF_PROG_EXT],
3470 AC_REQUIRE([CF_CHECK_CACHE])
3471 case "$cf_cv_system_name" in
3473 CFLAGS="$CFLAGS -Zmt"
3474 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3475 CXXFLAGS="$CXXFLAGS -Zmt"
3476 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3477 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3487 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3489 dnl ---------------------------------------------------------------------------
3490 dnl CF_PROG_GNAT version: 12 updated: 2021/01/02 17:09:14
3492 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3493 AC_DEFUN([CF_PROG_GNAT],[
3494 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3496 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3498 unset ac_cv_path_cf_TEMP_gnat
3500 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3501 eval "cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat"
3503 if test "x$cf_TEMP_gnat" != xno; then
3504 unset cf_cv_gnat_version
3506 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3508 eval "cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat"
3511 unset cf_cv_gnat_version
3512 unset ac_cv_path_cf_TEMP_gnat
3515 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3517 cf_cv_prog_gnat_correct=no
3519 cf_ada_make=gnatmake
3520 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3521 # gprconfig is newer than gnatmake; we can continue...
3524 rm -rf ./conftest* ./*~conftest*
3525 if mkdir conftest.src
3529 for cf_gprconfig in Ada C
3531 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3532 if test "$cf_gprconfig" = C
3534 for cf_gprconfig_param in \
3535 "$cf_gprconfig,,,,GNATGCC" \
3536 "$cf_gprconfig,,,,GCC" \
3539 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3540 test -n "$cf_gprconfig_value" && break
3543 cf_gprconfig_param=$cf_gprconfig
3544 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3546 if test -n "$cf_gprconfig_value"
3548 eval "cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value"
3549 AC_MSG_RESULT($cf_gprconfig_value)
3551 AC_MSG_RESULT(missing)
3557 rm -rf ./conftest* ./*~conftest*
3560 if test "x$cf_ada_config" != "x#"
3563 CF_CHECK_GNAT_VERSION
3564 AC_CHECK_PROG(M4_exists, m4, yes, no)
3565 if test "$ac_cv_prog_M4_exists" = no; then
3566 cf_cv_prog_gnat_correct=no
3567 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3569 if test "$cf_cv_prog_gnat_correct" = yes; then
3570 AC_MSG_CHECKING(if GNAT works)
3571 CF_GNAT_TRY_RUN([procedure conftest;],
3574 procedure conftest is
3576 Text_IO.Put ("Hello World");
3578 GNAT.OS_Lib.OS_Exit (0);
3580 [cf_cv_prog_gnat_correct=yes],
3581 [cf_cv_prog_gnat_correct=no])
3582 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3585 cf_cv_prog_gnat_correct=no
3589 AC_SUBST(cf_ada_make)
3590 AC_SUBST(cf_ada_config)
3591 AC_SUBST(cf_ada_config_Ada)
3592 AC_SUBST(cf_ada_config_C)
3594 dnl ---------------------------------------------------------------------------
3595 dnl CF_PROG_INSTALL version: 10 updated: 2021/01/04 19:33:05
3597 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3598 dnl misc/tabset install won't work properly. Usually this happens only when
3599 dnl using the fallback mkinstalldirs script
3600 AC_DEFUN([CF_PROG_INSTALL],
3606 CF_DIRNAME(cf_dir,$INSTALL)
3607 test -z "$cf_dir" && cf_dir=.
3608 INSTALL="`cd \"$cf_dir\" && pwd`"/"`echo "$INSTALL" | sed -e 's%^.*/%%'`"
3612 dnl ---------------------------------------------------------------------------
3613 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3615 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3616 dnl option if it is supported.
3617 AC_DEFUN([CF_PROG_LN_S],[
3619 AC_MSG_CHECKING(if $LN_S -f options work)
3621 rm -f conf$$.src conf$$dst
3623 echo first >conf$$.src
3624 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3629 rm -f conf$$.dst conf$$src
3630 AC_MSG_RESULT($cf_prog_ln_sf)
3632 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3634 dnl ---------------------------------------------------------------------------
3635 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3636 dnl ----------------
3637 dnl Remove all -U and -D options that refer to the given symbol from a list
3638 dnl of C compiler options. This works around the problem that not all
3639 dnl compilers process -U and -D options from left-to-right, so a -U option
3640 dnl cannot be used to cancel the effect of a preceding -D option.
3642 dnl $1 = target (which could be the same as the source variable)
3643 dnl $2 = source (including '$')
3644 dnl $3 = symbol to remove
3645 define([CF_REMOVE_DEFINE],
3648 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3649 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3651 dnl ---------------------------------------------------------------------------
3652 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3654 dnl Remove the given library from the symbol
3656 dnl $1 = target (which could be the same as the source variable)
3657 dnl $2 = source (including '$')
3658 dnl $3 = library to remove
3659 define([CF_REMOVE_LIB],
3661 # remove $3 library from $2
3662 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3664 dnl ---------------------------------------------------------------------------
3665 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3666 dnl ---------------------
3667 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3668 dnl $1 = name of current macro
3669 define([CF_RESTORE_XTRA_FLAGS],
3671 LIBS="$cf_save_LIBS_$1"
3672 CFLAGS="$cf_save_CFLAGS_$1"
3673 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3675 dnl ---------------------------------------------------------------------------
3676 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3677 dnl ------------------
3678 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3679 dnl and libraries which do not update those variables.
3681 dnl $1 = name of current macro
3682 define([CF_SAVE_XTRA_FLAGS],
3684 cf_save_LIBS_$1="$LIBS"
3685 cf_save_CFLAGS_$1="$CFLAGS"
3686 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3687 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3688 for cf_X_CFLAGS in $X_CFLAGS
3690 case "x$cf_X_CFLAGS" in
3692 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3695 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3700 dnl ---------------------------------------------------------------------------
3701 dnl CF_SHARED_OPTS version: 105 updated: 2021/01/02 17:09:14
3704 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3708 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3709 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3710 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3711 dnl shared library since that can lead to unexpected results at runtime.
3712 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3713 dnl libraries are compiled in ../../lib
3715 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3716 dnl to install symbolic links to the rel/abi versions of shared libraries.
3718 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3719 dnl version when making symbolic links.
3721 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3722 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3723 dnl (ex: libncurses.so.<ver>).
3725 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3726 AC_DEFUN([CF_SHARED_OPTS],
3728 AC_REQUIRE([CF_LD_RPATH_OPT])
3734 INSTALL_LIB="-m 644"
3735 : ${rel_builddir:=.}
3743 cf_cv_do_symlinks=no
3745 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3747 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3748 AC_ARG_WITH(shlib-version,
3749 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3750 [test -z "$withval" && withval=auto
3753 cf_cv_shlib_version=auto
3756 cf_cv_shlib_version=$withval
3759 AC_MSG_RESULT($withval)
3760 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3763 ],[cf_cv_shlib_version=auto])
3764 AC_MSG_RESULT($cf_cv_shlib_version)
3769 # Some less-capable ports of gcc support only -fpic
3773 if test "$GCC" = yes
3777 case "$cf_cv_system_name" in
3778 (*linux*) # e.g., PGI compiler
3784 if test "$cf_try_fPIC" = yes
3786 AC_MSG_CHECKING(which $CC option to use)
3787 cf_save_CFLAGS="$CFLAGS"
3788 for CC_SHARED_OPTS in -fPIC -fpic ''
3790 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3791 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3793 AC_MSG_RESULT($CC_SHARED_OPTS)
3794 CFLAGS="$cf_save_CFLAGS"
3797 cf_cv_shlib_version_infix=no
3799 case "$cf_cv_system_name" in
3800 (aix4.[3-9]*|aix[[5-7]]*)
3801 if test "$GCC" = yes; then
3802 CC_SHARED_OPTS='-Wl,-brtl'
3803 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3805 CC_SHARED_OPTS='-brtl'
3806 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3807 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3811 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3815 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3816 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3817 cf_cv_shlib_version=cygdll
3818 cf_cv_shlib_version_infix=cygdll
3821 cat >mk_shared_lib.sh <<-CF_EOF
3824 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3827 Linking shared library
3828 ** SHARED_LIB \[$]SHARED_LIB
3829 ** IMPORT_LIB \[$]IMPORT_LIB
3831 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3833 chmod +x mk_shared_lib.sh
3837 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3838 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3839 cf_cv_shlib_version=msysdll
3840 cf_cv_shlib_version_infix=msysdll
3843 cat >mk_shared_lib.sh <<-CF_EOF
3846 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3849 Linking shared library
3850 ** SHARED_LIB \[$]SHARED_LIB
3851 ** IMPORT_LIB \[$]IMPORT_LIB
3853 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3855 chmod +x mk_shared_lib.sh
3858 cf_try_cflags="no-cpp-precomp"
3859 CC_SHARED_OPTS="-dynamic"
3860 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3861 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3862 cf_cv_shlib_version_infix=yes
3863 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3864 cf_save_LDFLAGS=$LDFLAGS
3865 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3866 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3867 LDFLAGS=$cf_save_LDFLAGS])
3868 if test "$cf_cv_ldflags_search_paths_first" = yes; then
3869 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3873 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3874 if test "$GCC" != yes; then
3877 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3878 INSTALL_LIB="-m 555"
3881 # (tested with gcc 2.7.2 -- I don't have c89)
3882 if test "$GCC" = yes; then
3883 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3886 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3888 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3889 # HP-UX shared libraries must be executable, and should be
3890 # readonly to exploit a quirk in the memory manager.
3891 INSTALL_LIB="-m 555"
3894 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3895 if test "$cf_cv_shlib_version" = rel; then
3896 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3898 cf_shared_soname='`basename $[@]`'
3901 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3904 if test "$cf_cv_enable_rpath" = yes ; then
3905 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3907 # tested with IRIX 5.2 and 'cc'.
3908 if test "$GCC" != yes; then
3909 CC_SHARED_OPTS='-KPIC'
3910 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3912 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3914 cf_cv_rm_so_locs=yes
3916 (linux*|gnu*|k*bsd*-gnu)
3917 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3918 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3919 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3921 if test "$cf_cv_enable_rpath" = yes ; then
3922 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3925 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3928 cf_cv_shlib_version=msvcdll
3929 cf_cv_shlib_version_infix=msvcdll
3932 if test "$DFT_LWR_MODEL" = "shared" ; then
3933 LOCAL_LDFLAGS="-link -dll"
3934 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3935 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3938 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3939 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3940 cat >mk_shared_lib.sh <<-CF_EOF
3943 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3948 Linking shared library
3949 ** SHARED LIB \$SHARED_LIB
3950 ** IMPORT_LIB \$IMPORT_LIB
3952 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3953 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3954 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3956 chmod +x mk_shared_lib.sh
3957 cat >mk_prog.sh <<-CF_EOF
3960 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3963 ldopts=("/subsystem:console")
3966 while test \[$]# -gt 0; do
3969 # ignore -link argument
3971 -M[[TD]] | -M[[TD]]d)
3972 # ignore runtime-library option
3987 libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3990 ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3996 for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3997 ldopts+=("\[$]{linkarg}")
4005 ldopts+=("-out:\[$]1")
4014 if [[ "\$isdll" -ne 0 ]]; then
4015 for lib in \[$]{libs[[*]]}; do
4016 ldopts+=("\[$]lib.dll.lib")
4019 for lib in \[$]{libs[[*]]}; do
4020 ldopts+=("\[$]lib.lib")
4025 ** ld options: "\[$]{ldopts[[@]]}"
4027 exec \[$]LD \[$]{ldopts[[@]]}
4030 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
4031 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
4034 cf_cv_shlib_version=mingw
4035 cf_cv_shlib_version_infix=mingw
4038 if test "$DFT_LWR_MODEL" = "shared" ; then
4039 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
4040 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4041 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
4044 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
4045 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
4046 cat >mk_shared_lib.sh <<-CF_EOF
4049 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
4052 Linking shared library
4053 ** SHARED_LIB \[$]SHARED_LIB
4054 ** IMPORT_LIB \[$]IMPORT_LIB
4056 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
4058 chmod +x mk_shared_lib.sh
4060 (openbsd[[2-9]].*|mirbsd*)
4061 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4062 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4063 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4065 if test "$cf_cv_enable_rpath" = yes ; then
4066 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4068 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4070 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4074 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
4078 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
4080 (nto-qnx*|openbsd*|freebsd[[12]].*)
4081 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4082 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
4083 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4085 (dragonfly*|freebsd*)
4086 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4087 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4088 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4089 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
4090 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4093 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4096 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4097 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4098 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4099 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4100 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4101 if test "$cf_cv_shlib_version" = auto; then
4102 if test -f /usr/libexec/ld.elf_so; then
4103 cf_cv_shlib_version=abi
4105 cf_cv_shlib_version=rel
4109 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4111 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4115 # tested with OSF/1 V3.2 and 'cc'
4116 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4117 # link with shared libs).
4118 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4121 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4124 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4125 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4126 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4127 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4129 cf_cv_rm_so_locs=yes
4131 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
4132 # tested with osr5.0.5
4133 if test "$GCC" != yes; then
4134 CC_SHARED_OPTS='-belf -KPIC'
4136 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4137 if test "$cf_cv_enable_rpath" = yes ; then
4138 # only way is to set LD_RUN_PATH but no switch for it
4141 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4142 LINK_PROGS='LD_RUN_PATH=${libdir}'
4143 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4146 # tested with SunOS 4.1.1 and gcc 2.7.0
4147 if test "$GCC" != yes; then
4148 CC_SHARED_OPTS='-KPIC'
4150 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4151 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4154 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4155 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4156 if test "$DFT_LWR_MODEL" = "shared" ; then
4157 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4158 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4160 if test "$cf_cv_enable_rpath" = yes ; then
4161 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4164 if test "$GCC" != yes; then
4165 cf_save_CFLAGS="$CFLAGS"
4166 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4168 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4169 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\\n");],[break])
4171 CFLAGS="$cf_save_CFLAGS"
4172 CC_SHARED_OPTS=$cf_shared_opts
4173 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4175 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4178 (sysv5uw7*|unix_sv*)
4179 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4180 if test "$GCC" != yes; then
4181 CC_SHARED_OPTS='-KPIC'
4183 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4186 CC_SHARED_OPTS='unknown'
4187 MK_SHARED_LIB='echo unknown'
4191 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4192 case "$cf_cv_shlib_version" in
4194 case "$MK_SHARED_LIB" in
4196 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4199 AC_MSG_WARN(ignored --with-shlib-version)
4205 if test -n "$cf_try_cflags"
4207 cat > conftest.$ac_ext <<EOF
4208 #line __oline__ "${as_me:-configure}"
4210 int main(int argc, char *argv[[]])
4213 return (argv[[argc-1]] == 0) ;
4216 cf_save_CFLAGS="$CFLAGS"
4217 for cf_opt in $cf_try_cflags
4219 CFLAGS="$cf_save_CFLAGS -$cf_opt"
4220 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4221 if AC_TRY_EVAL(ac_compile); then
4223 cf_save_CFLAGS="$CFLAGS"
4228 CFLAGS="$cf_save_CFLAGS"
4232 # RPATH_LIST is a colon-separated list of directories
4233 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4234 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4236 test "$cf_cv_rm_so_locs" = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4238 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4239 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
4241 AC_SUBST(CC_SHARED_OPTS)
4242 AC_SUBST(LD_RPATH_OPT)
4243 AC_SUBST(LD_SHARED_OPTS)
4244 AC_SUBST(MK_SHARED_LIB)
4245 AC_SUBST(RM_SHARED_OPTS)
4247 AC_SUBST(LINK_PROGS)
4248 AC_SUBST(LINK_TESTS)
4250 AC_SUBST(EXTRA_LDFLAGS)
4251 AC_SUBST(LOCAL_LDFLAGS)
4252 AC_SUBST(LOCAL_LDFLAGS2)
4254 AC_SUBST(INSTALL_LIB)
4255 AC_SUBST(RPATH_LIST)
4257 dnl ---------------------------------------------------------------------------
4258 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4259 dnl ----------------
4260 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4261 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4264 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4265 dnl If missing, use "rel".
4266 define([CF_SHARED_SONAME],
4268 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4269 if test "$cf_cv_shlib_version" = rel; then
4270 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4272 cf_cv_shared_soname='`basename $[@]`'
4275 dnl ---------------------------------------------------------------------------
4276 dnl CF_STRIP_G_OPT version: 4 updated: 2021/01/02 09:31:20
4278 dnl Remove "-g" option from the compiler options
4279 AC_DEFUN([CF_STRIP_G_OPT],
4280 [$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl
4281 dnl ---------------------------------------------------------------------------
4282 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4284 dnl Construct a search-list for a nonstandard header/lib-file
4285 dnl $1 = the variable to return as result
4286 dnl $2 = the package name
4287 dnl $3 = the subdirectory, e.g., bin, include or lib
4288 AC_DEFUN([CF_SUBDIR_PATH],
4292 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4294 for cf_subdir_prefix in \
4302 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4305 dnl ---------------------------------------------------------------------------
4306 dnl CF_TERM_HEADER version: 6 updated: 2021/01/02 09:31:20
4308 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4309 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4310 dnl but some packagers change this, breaking various applications.
4311 AC_DEFUN([CF_TERM_HEADER],[
4312 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4313 case "${cf_cv_ncurses_header}" in
4314 (*/ncurses.h|*/ncursesw.h)
4315 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4318 cf_term_header=term.h
4322 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4324 AC_TRY_COMPILE([#include <stdio.h>
4325 #include <${cf_cv_ncurses_header:-curses.h}>
4327 ],[int x = auto_left_margin; (void)x],[
4328 cf_cv_term_header="$cf_test"],[
4329 cf_cv_term_header=unknown
4331 test "$cf_cv_term_header" != unknown && break
4335 # Set definitions to allow ifdef'ing to accommodate subdirectories
4337 case "$cf_cv_term_header" in
4339 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4343 case "$cf_cv_term_header" in
4345 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4348 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4352 dnl ---------------------------------------------------------------------------
4353 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4355 dnl Define a top_builddir symbol, for applications that need an absolute path.
4356 AC_DEFUN([CF_TOP_BUILDDIR],
4358 top_builddir=ifelse($1,,`pwd`,$1)
4359 AC_SUBST(top_builddir)
4361 dnl ---------------------------------------------------------------------------
4362 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4363 dnl -------------------
4364 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4365 dnl can define it successfully.
4366 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4367 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4371 #include <sys/types.h>
4373 #ifndef _XOPEN_SOURCE
4376 [cf_cv_xopen_source=no],
4377 [cf_save="$CPPFLAGS"
4378 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4382 #include <sys/types.h>
4384 #ifdef _XOPEN_SOURCE
4387 [cf_cv_xopen_source=no],
4388 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4393 if test "$cf_cv_xopen_source" != no ; then
4394 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4395 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4396 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4397 CF_ADD_CFLAGS($cf_temp_xopen_source)
4400 dnl ---------------------------------------------------------------------------
4401 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4403 dnl Make an uppercase version of a variable
4404 dnl $1=uppercase($2)
4405 AC_DEFUN([CF_UPPER],
4407 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4409 dnl ---------------------------------------------------------------------------
4410 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4412 dnl Check for multibyte support, and if not found, utf8 compatibility library
4413 AC_DEFUN([CF_UTF8_LIB],
4415 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4416 cf_save_LIBS="$LIBS"
4418 #include <stdlib.h>],[putwc(0,0);],
4419 [cf_cv_utf8_lib=yes],
4421 #include <libutf8.h>],[putwc(0,0);],utf8,
4422 [cf_cv_utf8_lib=add-on],
4423 [cf_cv_utf8_lib=no])
4426 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4428 if test "$cf_cv_utf8_lib" = "add-on" ; then
4429 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4430 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4431 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4432 CF_ADD_LIBS($cf_cv_library_file_utf8)
4435 dnl ---------------------------------------------------------------------------
4436 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4438 dnl Use AC_VERBOSE w/o the warnings
4439 AC_DEFUN([CF_VERBOSE],
4440 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4443 dnl ---------------------------------------------------------------------------
4444 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4446 dnl Check for compiler-support for weak symbols.
4447 dnl This works with "recent" gcc.
4448 AC_DEFUN([CF_WEAK_SYMBOLS],[
4449 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4452 #include <stdio.h>],
4454 #if defined(__GNUC__)
4455 # if defined __USE_ISOC99
4456 # define _cat_pragma(exp) _Pragma(#exp)
4457 # define _weak_pragma(exp) _cat_pragma(weak name)
4459 # define _weak_pragma(exp)
4461 # define _declare(name) __extension__ extern __typeof__(name) name
4462 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4466 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4469 dnl ---------------------------------------------------------------------------
4470 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4471 dnl --------------------
4472 dnl Command-line option to specify the Ada95 compiler.
4473 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4474 AC_MSG_CHECKING(for ada-compiler)
4475 AC_ARG_WITH(ada-compiler,
4476 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4477 [cf_ada_compiler=$withval],
4478 [cf_ada_compiler=gnatmake])
4479 AC_SUBST(cf_ada_compiler)
4480 AC_MSG_RESULT($cf_ada_compiler)
4482 dnl ---------------------------------------------------------------------------
4483 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4484 dnl -------------------
4485 dnl Command-line option to specify where Ada includes will install.
4486 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4487 AC_MSG_CHECKING(for ada-include)
4488 CF_WITH_PATH(ada-include,
4489 [ --with-ada-include=DIR Ada includes are in DIR],
4491 PREFIX/share/ada/adainclude,
4492 [$]prefix/share/ada/adainclude)
4493 AC_SUBST(ADA_INCLUDE)
4494 AC_MSG_RESULT($ADA_INCLUDE)
4496 dnl ---------------------------------------------------------------------------
4497 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4498 dnl -------------------
4499 dnl CF_WITH_ADA_LIBNAME
4500 dnl -------------------
4501 dnl Command-line option to specify how to name the resulting Ada library.
4502 dnl $1 = default value
4503 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4504 AC_MSG_CHECKING(for ada-libname)
4505 AC_ARG_WITH(ada-libname,
4506 [ --with-ada-libname=XXX override default Ada library-name],
4507 ADA_LIBNAME=[$]withval,
4509 case "x$ADA_LIBNAME" in
4514 AC_SUBST(ADA_LIBNAME)
4515 AC_MSG_RESULT($ADA_LIBNAME)
4517 dnl ---------------------------------------------------------------------------
4518 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4519 dnl -------------------
4520 dnl Command-line option to specify where Ada objects will install.
4521 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4522 AC_MSG_CHECKING(for ada-objects)
4523 CF_WITH_PATH(ada-objects,
4524 [ --with-ada-objects=DIR Ada objects are in DIR],
4526 PREFIX/lib/ada/adalib,
4527 [$]prefix/lib/ada/adalib)
4528 AC_SUBST(ADA_OBJECTS)
4529 AC_MSG_RESULT($ADA_OBJECTS)
4531 dnl ---------------------------------------------------------------------------
4532 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4533 dnl ---------------------
4534 dnl Command-line option to specify if an Ada95 shared-library should be built,
4535 dnl and optionally what its soname should be.
4536 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4537 AC_REQUIRE([CF_GNAT_PROJECTS])
4538 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4539 AC_ARG_WITH(ada-sharedlib,
4540 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4541 [with_ada_sharedlib=$withval],
4542 [with_ada_sharedlib=no])
4543 AC_MSG_RESULT($with_ada_sharedlib)
4545 if test "x$with_ada_sharedlib" != xno
4547 if test "x$cf_gnat_projects" != xyes
4549 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4550 with_ada_sharedlib=no
4554 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4555 MAKE_ADA_SHAREDLIB="#"
4557 if test "x$with_ada_sharedlib" != xno
4560 if test "x$with_ada_sharedlib" != xyes
4562 ADA_SHAREDLIB="$with_ada_sharedlib"
4566 AC_SUBST(ADA_SHAREDLIB)
4567 AC_SUBST(MAKE_ADA_SHAREDLIB)
4569 dnl ---------------------------------------------------------------------------
4570 dnl CF_WITH_CURSES_DIR version: 4 updated: 2021/01/02 19:22:58
4571 dnl ------------------
4572 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4574 AC_DEFUN([CF_WITH_CURSES_DIR],[
4576 AC_MSG_CHECKING(for specific curses-directory)
4577 AC_ARG_WITH(curses-dir,
4578 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4579 [cf_cv_curses_dir=$withval],
4580 [cf_cv_curses_dir=no])
4581 AC_MSG_RESULT($cf_cv_curses_dir)
4583 if test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no"
4585 CF_PATH_SYNTAX(withval)
4586 if test -d "$cf_cv_curses_dir"
4588 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4589 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4593 dnl ---------------------------------------------------------------------------
4594 dnl CF_WITH_LIB_PREFIX version: 2 updated: 2021/01/01 16:53:59
4595 dnl ------------------
4596 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4597 dnl "lib" prefix, e.g., because it used the dll naming convention.
4599 dnl $1 = variable to set
4600 AC_DEFUN([CF_WITH_LIB_PREFIX],
4602 AC_MSG_CHECKING(if you want to have a library-prefix)
4603 AC_ARG_WITH(lib-prefix,
4604 [ --with-lib-prefix override library-prefix],
4605 [with_lib_prefix=$withval],
4606 [with_lib_prefix=auto])
4607 AC_MSG_RESULT($with_lib_prefix)
4609 if test "$with_lib_prefix" = auto
4612 elif test "$with_lib_prefix" = no
4616 LIB_PREFIX=$with_lib_prefix
4619 dnl ---------------------------------------------------------------------------
4620 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4622 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4623 dnl defaulting to yes/no.
4625 dnl $1 = option name
4627 dnl $3 = environment variable to set
4628 dnl $4 = default value, shown in the help-message, must be a constant
4629 dnl $5 = default value, if it's an expression & cannot be in the help-message
4631 AC_DEFUN([CF_WITH_PATH],
4632 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4633 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4634 if ifelse([$5],,true,[test -n "$5"]) ; then
4635 CF_PATH_SYNTAX(withval)
4640 dnl ---------------------------------------------------------------------------
4641 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 11 updated: 2021/01/01 16:16:30
4642 dnl -------------------------
4643 dnl Allow the choice of the pkg-config library directory to be overridden.
4644 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4646 case "$PKG_CONFIG" in
4648 AC_MSG_CHECKING(for pkg-config library directory)
4651 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4655 PKG_CONFIG_LIBDIR=no
4656 AC_ARG_WITH(pkg-config-libdir,
4657 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4658 [PKG_CONFIG_LIBDIR=$withval],
4659 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4661 case x$PKG_CONFIG_LIBDIR in
4665 # Look for the library directory using the same prefix as the executable
4666 if test "x$PKG_CONFIG" = xnone
4670 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4673 # If you don't like using the default architecture, you have to specify the
4674 # intended library directory and corresponding compiler/linker options.
4676 # This case allows for Debian's 2014-flavor of multiarch, along with the
4677 # most common variations before that point. Some other variants spell the
4678 # directory differently, e.g., "pkg-config", and put it in unusual places.
4679 # pkg-config has always been poorly standardized, which is ironic...
4680 case x`(arch) 2>/dev/null` in
4683 $cf_path/lib/*64-linux-gnu \
4691 $cf_path/lib/*-linux-gnu \
4700 for cf_config in $cf_search_path
4702 CF_VERBOSE(checking $cf_config/pkgconfig)
4703 if test -d "$cf_config/pkgconfig"
4705 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4706 AC_MSG_CHECKING(done)
4715 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4716 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4719 AC_SUBST(PKG_CONFIG_LIBDIR)
4721 dnl ---------------------------------------------------------------------------
4722 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4724 dnl Check for POSIX thread library.
4725 AC_DEFUN([CF_WITH_PTHREAD],
4727 AC_MSG_CHECKING(if you want to link with the pthread library)
4728 AC_ARG_WITH(pthread,
4729 [ --with-pthread use POSIX thread library],
4730 [with_pthread=$withval],
4732 AC_MSG_RESULT($with_pthread)
4734 if test "$with_pthread" != no ; then
4735 AC_CHECK_HEADER(pthread.h,[
4736 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4738 for cf_lib_pthread in pthread c_r
4740 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4741 cf_save_LIBS="$LIBS"
4742 CF_ADD_LIB($cf_lib_pthread)
4744 #include <pthread.h>
4746 int rc = pthread_create(0,0,0,0);
4747 int r2 = pthread_mutexattr_settype(0, 0);
4748 ],[with_pthread=yes],[with_pthread=no])
4749 LIBS="$cf_save_LIBS"
4750 AC_MSG_RESULT($with_pthread)
4751 test "$with_pthread" = yes && break
4754 if test "$with_pthread" = yes ; then
4755 CF_ADD_LIB($cf_lib_pthread)
4756 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4758 AC_MSG_ERROR(Cannot link with pthread library)
4763 dnl ---------------------------------------------------------------------------
4764 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4766 dnl For testing, override the derived host system-type which is used to decide
4767 dnl things such as the linker commands used to build shared libraries. This is
4768 dnl normally chosen automatically based on the type of system which you are
4769 dnl building on. We use it for testing the configure script.
4771 dnl This is different from the --host option: it is used only for testing parts
4772 dnl of the configure script which would not be reachable with --host since that
4773 dnl relies on the build environment being real, rather than mocked up.
4774 AC_DEFUN([CF_WITH_SYSTYPE],[
4775 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4776 AC_ARG_WITH(system-type,
4777 [ --with-system-type=XXX test: override derived host system-type],
4778 [AC_MSG_WARN(overriding system type to $withval)
4779 cf_cv_system_name=$withval
4783 dnl ---------------------------------------------------------------------------
4784 dnl CF_XOPEN_SOURCE version: 57 updated: 2021/01/01 16:53:59
4786 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4787 dnl or adapt to the vendor's definitions to get equivalent functionality,
4788 dnl without losing the common non-POSIX features.
4791 dnl $1 is the nominal value for _XOPEN_SOURCE
4792 dnl $2 is the nominal value for _POSIX_C_SOURCE
4793 AC_DEFUN([CF_XOPEN_SOURCE],[
4794 AC_REQUIRE([AC_CANONICAL_HOST])
4795 AC_REQUIRE([CF_POSIX_VISIBLE])
4797 if test "$cf_cv_posix_visible" = no; then
4799 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4800 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4805 cf_xopen_source="-D_ALL_SOURCE"
4811 cf_xopen_source="-D_APPLE_C_SOURCE"
4814 cf_xopen_source="-D_DARWIN_C_SOURCE"
4817 (freebsd*|dragonfly*|midnightbsd*)
4818 # 5.x headers associate
4819 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4820 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4821 cf_POSIX_C_SOURCE=200112L
4823 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4826 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4829 cf_xopen_source="-D_HPUX_SOURCE"
4832 cf_xopen_source="-D_SGI_SOURCE"
4835 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4836 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4839 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4842 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4844 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4847 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4850 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4851 cf_xopen_source="-D_BSD_SOURCE"
4855 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4858 cf_xopen_source="-D_OSF_SOURCE"
4861 cf_xopen_source="-D_QNX_SOURCE"
4864 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4867 cf_xopen_source="-D__EXTENSIONS__"
4868 cf_cv_xopen_source=broken
4870 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4876 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4880 if test -n "$cf_xopen_source" ; then
4881 CF_ADD_CFLAGS($cf_xopen_source,true)
4884 dnl In anything but the default case, we may have system-specific setting
4885 dnl which is still not guaranteed to provide all of the entrypoints that
4886 dnl _XOPEN_SOURCE would yield.
4887 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4888 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4889 AC_TRY_COMPILE([#include <stdlib.h>],[
4890 #ifndef _XOPEN_SOURCE
4893 [cf_XOPEN_SOURCE_set=yes],
4894 [cf_XOPEN_SOURCE_set=no])
4895 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4896 if test "$cf_XOPEN_SOURCE_set" = yes
4898 AC_TRY_COMPILE([#include <stdlib.h>],[
4899 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4902 [cf_XOPEN_SOURCE_set_ok=yes],
4903 [cf_XOPEN_SOURCE_set_ok=no])
4904 if test "$cf_XOPEN_SOURCE_set_ok" = no
4906 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4912 fi # cf_cv_posix_visible
4914 dnl ---------------------------------------------------------------------------
4915 dnl CF__SED_TRIMBLANKS version: 1 updated: 2021/01/02 09:31:20
4916 dnl ------------------
4917 dnl Trim something using sed, then trim extra whitespace
4918 dnl $1 = extra parameters, e.g., in CF_STRIP_G_OPT
4919 define([CF__SED_TRIMBLANKS],[sed ifelse($1,,,[$1] )-e 's%[[ ]]% %g' -e 's% [[ ]]*% %g' -e 's%^ %%' -e 's% [$]%%'])dnl