1 dnl***************************************************************************
2 dnl Copyright 2018-2019,2020 Thomas E. Dickey *
3 dnl Copyright 2010-2017,2018 Free Software Foundation, Inc. *
5 dnl Permission is hereby granted, free of charge, to any person obtaining a *
6 dnl copy of this software and associated documentation files (the *
7 dnl "Software"), to deal in the Software without restriction, including *
8 dnl without limitation the rights to use, copy, modify, merge, publish, *
9 dnl distribute, distribute with modifications, sublicense, and/or sell *
10 dnl copies of the Software, and to permit persons to whom the Software is *
11 dnl furnished to do so, subject to the following conditions: *
13 dnl The above copyright notice and this permission notice shall be included *
14 dnl in all copies or substantial portions of the Software. *
16 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 dnl Except as contained in this notice, the name(s) of the above copyright *
25 dnl holders shall not be used in advertising or otherwise to promote the *
26 dnl sale, use or other dealings in this Software without prior written *
28 dnl***************************************************************************
30 dnl Author: Thomas E. Dickey
32 dnl $Id: aclocal.m4,v 1.155 2020/03/20 00:23:48 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: 13 updated: 2017/02/25 18:57:40
105 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
106 dnl The second parameter if given makes this macro verbose.
108 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
109 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
110 dnl confused by the quotes (which require backslashes to keep them usable).
111 AC_DEFUN([CF_ADD_CFLAGS],
116 cf_new_extra_cppflags=
118 for cf_add_cflags in $1
120 case $cf_fix_cppflags in
122 case $cf_add_cflags in
123 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
124 case $cf_add_cflags in
126 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
128 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
129 && test -z "${cf_tst_cflags}" \
130 && cf_fix_cppflags=yes
132 if test $cf_fix_cppflags = yes ; then
133 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
135 elif test "${cf_tst_cflags}" = "\"'" ; then
136 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
145 case $cf_add_cflags in
147 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
148 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
151 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
156 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
161 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
163 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
165 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
166 && test -z "${cf_tst_cflags}" \
167 && cf_fix_cppflags=no
172 if test -n "$cf_new_cflags" ; then
173 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
174 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
177 if test -n "$cf_new_cppflags" ; then
178 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
179 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
182 if test -n "$cf_new_extra_cppflags" ; then
183 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
184 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
187 AC_SUBST(EXTRA_CPPFLAGS)
190 dnl ---------------------------------------------------------------------------
191 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
193 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
194 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
195 dnl but old versions (and some misinstalled ones) need that. To make things
196 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
197 dnl the include-path).
198 AC_DEFUN([CF_ADD_INCDIR],
200 if test -n "$1" ; then
201 for cf_add_incdir in $1
203 while test $cf_add_incdir != /usr/include
205 if test -d $cf_add_incdir
208 if test -n "$CFLAGS$CPPFLAGS" ; then
209 # a loop is needed to ensure we can add subdirs of existing dirs
210 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
211 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
212 cf_have_incdir=yes; break
217 if test "$cf_have_incdir" = no ; then
218 if test "$cf_add_incdir" = /usr/local/include ; then
221 cf_save_CPPFLAGS=$CPPFLAGS
222 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
223 AC_TRY_COMPILE([#include <stdio.h>],
226 [cf_have_incdir=yes])
227 CPPFLAGS=$cf_save_CPPFLAGS
232 if test "$cf_have_incdir" = no ; then
233 CF_VERBOSE(adding $cf_add_incdir to include-path)
234 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
236 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
237 test "$cf_top_incdir" = "$cf_add_incdir" && break
238 cf_add_incdir="$cf_top_incdir"
249 dnl ---------------------------------------------------------------------------
250 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
252 dnl Add a library, used to enforce consistency.
254 dnl $1 = library to add, without the "-l"
255 dnl $2 = variable to update (default $LIBS)
256 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
257 dnl ---------------------------------------------------------------------------
258 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
260 dnl Adds to the library-path
262 dnl Some machines have trouble with multiple -L options.
264 dnl $1 is the (list of) directory(s) to add
265 dnl $2 is the optional name of the variable to update (default LDFLAGS)
267 AC_DEFUN([CF_ADD_LIBDIR],
269 if test -n "$1" ; then
270 for cf_add_libdir in $1
272 if test $cf_add_libdir = /usr/lib ; then
274 elif test -d $cf_add_libdir
277 if test -n "$LDFLAGS$LIBS" ; then
278 # a loop is needed to ensure we can add subdirs of existing dirs
279 for cf_test_libdir in $LDFLAGS $LIBS ; do
280 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
281 cf_have_libdir=yes; break
285 if test "$cf_have_libdir" = no ; then
286 CF_VERBOSE(adding $cf_add_libdir to library-path)
287 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
293 dnl ---------------------------------------------------------------------------
294 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
296 dnl Add one or more libraries, used to enforce consistency. Libraries are
297 dnl prepended to an existing list, since their dependencies are assumed to
298 dnl already exist in the list.
300 dnl $1 = libraries to add, with the "-l", etc.
301 dnl $2 = variable to update (default $LIBS)
302 AC_DEFUN([CF_ADD_LIBS],[
303 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
306 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
308 for cf_add_1lib in $cf_add_0lib; do
309 for cf_add_2lib in $cf_add_libs; do
310 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
315 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
317 ifelse($2,,LIBS,[$2])="$cf_add_libs"
319 dnl ---------------------------------------------------------------------------
320 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
321 dnl ------------------
322 dnl Append to a search-list for a nonstandard header/lib-file
323 dnl $1 = the variable to return as result
324 dnl $2 = the package name
325 dnl $3 = the subdirectory, e.g., bin, include or lib
326 dnl $4 = the directory under which we will test for subdirectories
327 dnl $5 = a directory that we do not want $4 to match
328 AC_DEFUN([CF_ADD_SUBDIR_PATH],
330 test "x$4" != "x$5" && \
332 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
333 test -n "$verbose" && echo " ... testing for $3-directories under $4"
334 test -d $4/$3 && $1="[$]$1 $4/$3"
335 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
336 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
337 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
338 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
341 dnl ---------------------------------------------------------------------------
342 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
344 dnl use this macro for appending text without introducing an extra blank at
346 define([CF_APPEND_TEXT],
348 test -n "[$]$1" && $1="[$]$1 "
351 dnl ---------------------------------------------------------------------------
352 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
354 dnl Allow user to disable a normally-on option.
355 AC_DEFUN([CF_ARG_DISABLE],
356 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
357 dnl ---------------------------------------------------------------------------
358 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
360 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
366 dnl $3 = action to perform if option is not default
367 dnl $4 = action if perform if option is default
368 dnl $5 = default option value (either 'yes' or 'no')
369 AC_DEFUN([CF_ARG_OPTION],
370 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
371 if test "$enableval" != "$5" ; then
373 ,[ $3]) ifelse([$4],,,[
376 fi],[enableval=$5 ifelse([$4],,,[
380 dnl ---------------------------------------------------------------------------
381 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
383 dnl Check for suitable "ar" (archiver) options for updating an archive.
385 dnl In particular, handle some obsolete cases where the "-" might be omitted,
386 dnl as well as a workaround for breakage of make's archive rules by the GNU
387 dnl binutils "ar" program.
388 AC_DEFUN([CF_AR_FLAGS],[
389 AC_REQUIRE([CF_PROG_AR])
391 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
392 cf_cv_ar_flags=unknown
393 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
396 # check if $ARFLAGS already contains this choice
397 if test "x$ARFLAGS" != "x" ; then
398 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
399 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
405 rm -f conftest.$ac_cv_objext
408 cat >conftest.$ac_ext <<EOF
409 #line __oline__ "configure"
410 int testdata[[3]] = { 123, 456, 789 };
412 if AC_TRY_EVAL(ac_compile) ; then
413 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
414 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
415 if test -f conftest.a ; then
416 cf_cv_ar_flags=$cf_ar_flags
420 CF_VERBOSE(cannot compile test-program)
424 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
427 if test -n "$ARFLAGS" ; then
428 if test -n "$cf_cv_ar_flags" ; then
429 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
432 ARFLAGS=$cf_cv_ar_flags
437 dnl ---------------------------------------------------------------------------
438 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
440 dnl If we're cross-compiling, allow the user to override the tools and their
441 dnl options. The configure script is oriented toward identifying the host
442 dnl compiler, etc., but we need a build compiler to generate parts of the
445 dnl $1 = default for $CPPFLAGS
446 dnl $2 = default for $LIBS
447 AC_DEFUN([CF_BUILD_CC],[
448 CF_ACVERSION_CHECK(2.52,,
449 [AC_REQUIRE([CF_PROG_EXT])])
450 if test "$cross_compiling" = yes ; then
452 # defaults that we might want to override
453 : ${BUILD_CFLAGS:=''}
454 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
455 : ${BUILD_LDFLAGS:=''}
456 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
457 : ${BUILD_EXEEXT:='$x'}
458 : ${BUILD_OBJEXT:='o'}
460 AC_ARG_WITH(build-cc,
461 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
462 [BUILD_CC="$withval"],
463 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
464 AC_MSG_CHECKING(for native build C compiler)
465 AC_MSG_RESULT($BUILD_CC)
467 AC_MSG_CHECKING(for native build C preprocessor)
468 AC_ARG_WITH(build-cpp,
469 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
470 [BUILD_CPP="$withval"],
471 [BUILD_CPP='${BUILD_CC} -E'])
472 AC_MSG_RESULT($BUILD_CPP)
474 AC_MSG_CHECKING(for native build C flags)
475 AC_ARG_WITH(build-cflags,
476 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
477 [BUILD_CFLAGS="$withval"])
478 AC_MSG_RESULT($BUILD_CFLAGS)
480 AC_MSG_CHECKING(for native build C preprocessor-flags)
481 AC_ARG_WITH(build-cppflags,
482 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
483 [BUILD_CPPFLAGS="$withval"])
484 AC_MSG_RESULT($BUILD_CPPFLAGS)
486 AC_MSG_CHECKING(for native build linker-flags)
487 AC_ARG_WITH(build-ldflags,
488 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
489 [BUILD_LDFLAGS="$withval"])
490 AC_MSG_RESULT($BUILD_LDFLAGS)
492 AC_MSG_CHECKING(for native build linker-libraries)
493 AC_ARG_WITH(build-libs,
494 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
495 [BUILD_LIBS="$withval"])
496 AC_MSG_RESULT($BUILD_LIBS)
498 # this assumes we're on Unix.
502 : ${BUILD_CC:='${CC}'}
504 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
505 AC_MSG_ERROR([Cross-build requires two compilers.
506 Use --with-build-cc to specify the native compiler.])
510 : ${BUILD_CC:='${CC}'}
511 : ${BUILD_CPP:='${CPP}'}
512 : ${BUILD_CFLAGS:='${CFLAGS}'}
513 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
514 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
515 : ${BUILD_LIBS:='${LIBS}'}
516 : ${BUILD_EXEEXT:='$x'}
517 : ${BUILD_OBJEXT:='o'}
522 AC_SUBST(BUILD_CFLAGS)
523 AC_SUBST(BUILD_CPPFLAGS)
524 AC_SUBST(BUILD_LDFLAGS)
526 AC_SUBST(BUILD_EXEEXT)
527 AC_SUBST(BUILD_OBJEXT)
529 dnl ---------------------------------------------------------------------------
530 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
532 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
533 dnl into CC. This will not help with broken scripts that wrap the compiler
534 dnl with options, but eliminates a more common category of user confusion.
536 dnl In particular, it addresses the problem of being able to run the C
537 dnl preprocessor in a consistent manner.
539 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
540 dnl the nuisance of having inconsistent settings for compiler and preprocessor
541 dnl outweighs that limitation.
542 AC_DEFUN([CF_CC_ENV_FLAGS],
544 # This should have been defined by AC_PROG_CC
547 AC_MSG_CHECKING(\$CFLAGS variable)
550 AC_MSG_RESULT(broken)
551 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
554 for cf_arg in $cf_flags
556 CF_ADD_CFLAGS($cf_arg)
564 AC_MSG_CHECKING(\$CC variable)
567 AC_MSG_RESULT(broken)
568 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
570 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
571 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
573 for cf_arg in $cf_flags
577 CF_ADD_CFLAGS($cf_arg)
584 CF_VERBOSE(resulting CC: '$CC')
585 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
586 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
593 dnl ---------------------------------------------------------------------------
594 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
596 dnl Determine the default configuration into which we'll install ncurses. This
597 dnl can be overridden by the user's command-line options. There's two items to
599 dnl 1. the prefix (e.g., /usr)
600 dnl 2. the header files (e.g., /usr/include/ncurses)
601 dnl We'll look for a previous installation of ncurses and use the same defaults.
603 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
604 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
605 dnl programs from a vendor's.
606 AC_DEFUN([CF_CFG_DEFAULTS],
608 AC_MSG_CHECKING(for prefix)
609 if test "x$prefix" = "xNONE" ; then
610 case "$cf_cv_system_name" in
611 # non-vendor systems don't have a conflict
612 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
615 (*) prefix=$ac_default_prefix
619 AC_MSG_RESULT($prefix)
621 if test "x$prefix" = "xNONE" ; then
622 AC_MSG_CHECKING(for default include-directory)
623 test -n "$verbose" && echo 1>&AC_FD_MSG
626 $includedir/ncurses \
628 $prefix/include/ncurses \
630 /usr/local/include/ncurses \
634 cf_dir=`eval echo $cf_symbol`
635 if test -f $cf_dir/curses.h ; then
636 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
637 includedir="$cf_symbol"
638 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
642 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
644 AC_MSG_RESULT($includedir)
647 dnl ---------------------------------------------------------------------------
648 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
650 dnl Check if we're accidentally using a cache from a different machine.
651 dnl Derive the system name, as a check for reusing the autoconf cache.
653 dnl If we've packaged config.guess and config.sub, run that (since it does a
654 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
655 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
656 dnl which is useful in cross-compiles.
658 dnl Note: we would use $ac_config_sub, but that is one of the places where
659 dnl autoconf 2.5x broke compatibility with autoconf 2.13
660 AC_DEFUN([CF_CHECK_CACHE],
662 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
663 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
664 system_name="$host_os"
666 system_name="`(uname -s -r) 2>/dev/null`"
667 if test -z "$system_name" ; then
668 system_name="`(hostname) 2>/dev/null`"
671 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
672 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
674 test -z "$system_name" && system_name="$cf_cv_system_name"
675 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
677 if test ".$system_name" != ".$cf_cv_system_name" ; then
678 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
679 AC_MSG_ERROR("Please remove config.cache and try again.")
682 dnl ---------------------------------------------------------------------------
683 dnl CF_CHECK_GNAT_VERSION version: 2 updated: 2019/12/31 08:53:54
684 dnl ---------------------
685 AC_DEFUN([CF_CHECK_GNAT_VERSION],
687 AC_REQUIRE([CF_GNAT_VERSION])
688 case $cf_cv_gnat_version in
689 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
690 cf_cv_prog_gnat_correct=yes
693 AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
694 cf_cv_prog_gnat_correct=no
698 dnl ---------------------------------------------------------------------------
699 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
700 dnl -----------------
701 dnl Check if the given compiler is really clang. clang's C driver defines
702 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
703 dnl not ignore some gcc options.
705 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
706 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
707 dnl the wrappers for gcc and g++ warnings.
709 dnl $1 = GCC (default) or GXX
710 dnl $2 = CLANG_COMPILER (default)
711 dnl $3 = CFLAGS (default) or CXXFLAGS
712 AC_DEFUN([CF_CLANG_COMPILER],[
713 ifelse([$2],,CLANG_COMPILER,[$2])=no
715 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
716 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
717 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
718 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
724 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
725 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
727 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
728 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
731 dnl ---------------------------------------------------------------------------
732 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
733 dnl -----------------
734 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
735 dnl character-strings.
737 dnl It is ambiguous because the specification accommodated the pre-ANSI
738 dnl compilers bundled by more than one vendor in lieu of providing a standard C
739 dnl compiler other than by costly add-ons. Because of this, the specification
740 dnl did not take into account the use of const for telling the compiler that
741 dnl string literals would be in readonly memory.
743 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
744 dnl let the compiler decide how to represent Xt's strings which were #define'd.
745 dnl That does not solve the problem of using the block of Xt's strings which
746 dnl are compiled into the library (and is less efficient than one might want).
748 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
749 dnl when compiling the library and compiling using the library, to tell the
750 dnl compiler that String is const.
751 AC_DEFUN([CF_CONST_X_STRING],
753 AC_REQUIRE([AC_PATH_XTRA])
755 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
760 #include <X11/Intrinsic.h>
762 [String foo = malloc(1); (void)foo],[
764 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
767 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
768 #undef XTSTRINGDEFINES /* X11R5 and later */
770 #include <X11/Intrinsic.h>
771 ],[String foo = malloc(1); *foo = 0],[
772 cf_cv_const_x_string=no
774 cf_cv_const_x_string=yes
778 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
780 case $cf_cv_const_x_string in
782 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
785 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
791 dnl ---------------------------------------------------------------------------
792 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
793 dnl -----------------
794 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
795 dnl character-strings.
797 dnl It is ambiguous because the specification accommodated the pre-ANSI
798 dnl compilers bundled by more than one vendor in lieu of providing a standard C
799 dnl compiler other than by costly add-ons. Because of this, the specification
800 dnl did not take into account the use of const for telling the compiler that
801 dnl string literals would be in readonly memory.
803 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
804 dnl let the compiler decide how to represent Xt's strings which were #define'd.
805 dnl That does not solve the problem of using the block of Xt's strings which
806 dnl are compiled into the library (and is less efficient than one might want).
808 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
809 dnl when compiling the library and compiling using the library, to tell the
810 dnl compiler that String is const.
811 AC_DEFUN([CF_CONST_X_STRING],
813 AC_REQUIRE([AC_PATH_XTRA])
815 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
820 #include <X11/Intrinsic.h>
822 [String foo = malloc(1); (void)foo],[
824 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
827 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
828 #undef XTSTRINGDEFINES /* X11R5 and later */
830 #include <X11/Intrinsic.h>
831 ],[String foo = malloc(1); *foo = 0],[
832 cf_cv_const_x_string=no
834 cf_cv_const_x_string=yes
838 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
840 case $cf_cv_const_x_string in
842 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
845 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
851 dnl ---------------------------------------------------------------------------
852 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
854 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
855 dnl variations of ncurses' installs.
857 dnl $1 = ncurses when looking for ncurses, or is empty
858 AC_DEFUN([CF_CURSES_HEADER],[
859 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
860 cf_cv_ncurses_header=none
862 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
863 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
865 AC_TRY_COMPILE([#include <${cf_header}>],
866 [initscr(); tgoto("?", 0,0)],
867 [cf_cv_ncurses_header=$cf_header; break],[])
871 if test "$cf_cv_ncurses_header" = none ; then
872 AC_MSG_ERROR(No curses header-files found)
875 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
876 AC_CHECK_HEADERS($cf_cv_ncurses_header)
878 dnl ---------------------------------------------------------------------------
879 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
881 dnl "dirname" is not portable, so we fake it with a shell script.
882 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
883 dnl ---------------------------------------------------------------------------
884 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
886 dnl You can always use "make -n" to see the actual options, but it's hard to
887 dnl pick out/analyze warning messages when the compile-line is long.
890 dnl ECHO_LT - symbol to control if libtool is verbose
891 dnl ECHO_LD - symbol to prefix "cc -o" lines
892 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
893 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
894 dnl ECHO_CC - symbol to put before any "cc" line
896 AC_DEFUN([CF_DISABLE_ECHO],[
897 AC_MSG_CHECKING(if you want to see long compiling messages)
899 [ --disable-echo do not display "compiling" commands],
902 ECHO_LD='@echo linking [$]@;'
903 RULE_CC='@echo compiling [$]<'
904 SHOW_CC='@echo compiling [$]@'
913 AC_MSG_RESULT($enableval)
920 dnl ---------------------------------------------------------------------------
921 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
922 dnl ------------------------
923 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
924 AC_MSG_CHECKING(if we want to use GNAT projects)
925 CF_ARG_DISABLE(gnat-projects,
926 [ --disable-gnat-projects test: disable GNAT projects even if usable],
927 [enable_gnat_projects=no],
928 [enable_gnat_projects=yes])
929 AC_MSG_RESULT($enable_gnat_projects)
931 dnl ---------------------------------------------------------------------------
932 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
933 dnl -----------------------
934 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
935 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
936 dnl an unconditional feature.
937 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
939 AC_MSG_CHECKING(if you want broken-linker support code)
940 AC_ARG_ENABLE(broken_linker,
941 [ --enable-broken_linker compile with broken-linker support code],
942 [with_broken_linker=$enableval],
943 [with_broken_linker=no])
944 AC_MSG_RESULT($with_broken_linker)
946 : ${BROKEN_LINKER:=0}
947 if test "x$with_broken_linker" = xyes ; then
948 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
951 AC_SUBST(BROKEN_LINKER)
953 dnl ---------------------------------------------------------------------------
954 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
956 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
957 dnl prefer a standard location, and use -L options only if we do not find the
958 dnl library in the standard library location(s).
959 dnl $1 = library name
960 dnl $2 = library class, usually the same as library name
962 dnl $4 = code fragment to compile/link
963 dnl $5 = corresponding function-name
964 dnl $6 = flag, nonnull if failure should not cause an error-exit
966 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
967 dnl to use a -L option.
968 AC_DEFUN([CF_FIND_LIBRARY],
970 eval 'cf_cv_have_lib_'$1'=no'
973 eval 'cf_cv_have_lib_'$1'=yes',[
975 AC_MSG_CHECKING(for $5 in -l$1)
977 AC_TRY_LINK([$3],[$4],
979 eval 'cf_cv_have_lib_'$1'=yes'
982 CF_LIBRARY_PATH(cf_search,$2)
983 for cf_libdir in $cf_search
985 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
986 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
987 AC_TRY_LINK([$3],[$4],
989 eval 'cf_cv_have_lib_'$1'=yes'
992 LIBS="$cf_save_LIBS"])
996 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
998 if test $cf_found_library = no ; then
999 AC_MSG_ERROR(Cannot link $1 library)
1003 dnl ---------------------------------------------------------------------------
1004 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1006 dnl Find a library (specifically the linkage used in the code fragment),
1007 dnl searching for it if it is not already in the library path.
1008 dnl See also CF_ADD_SEARCHPATH.
1010 dnl Parameters (4-on are optional):
1011 dnl $1 = headers for library entrypoint
1012 dnl $2 = code fragment for library entrypoint
1013 dnl $3 = the library name without the "-l" option or ".so" suffix.
1014 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1015 dnl $5 = action to perform if not successful
1016 dnl $6 = module name, if not the same as the library name
1017 dnl $7 = extra libraries
1019 dnl Sets these variables:
1020 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1021 dnl $cf_cv_header_path_$3 - include-directory if needed
1022 dnl $cf_cv_library_path_$3 - library-directory if needed
1023 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1024 AC_DEFUN([CF_FIND_LINKAGE],[
1026 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1027 # will be set on completion of the AC_TRY_LINK below.
1028 cf_cv_header_path_$3=
1029 cf_cv_library_path_$3=
1031 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1033 cf_save_LIBS="$LIBS"
1035 AC_TRY_LINK([$1],[$2],[
1036 cf_cv_find_linkage_$3=yes
1037 cf_cv_header_path_$3=/usr/include
1038 cf_cv_library_path_$3=/usr/lib
1041 LIBS="-l$3 $7 $cf_save_LIBS"
1043 AC_TRY_LINK([$1],[$2],[
1044 cf_cv_find_linkage_$3=yes
1045 cf_cv_header_path_$3=/usr/include
1046 cf_cv_library_path_$3=/usr/lib
1047 cf_cv_library_file_$3="-l$3"
1049 cf_cv_find_linkage_$3=no
1050 LIBS="$cf_save_LIBS"
1052 CF_VERBOSE(find linkage for $3 library)
1053 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1055 cf_save_CPPFLAGS="$CPPFLAGS"
1056 cf_test_CPPFLAGS="$CPPFLAGS"
1058 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1059 for cf_cv_header_path_$3 in $cf_search
1061 if test -d $cf_cv_header_path_$3 ; then
1062 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1063 CPPFLAGS="$cf_save_CPPFLAGS"
1064 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1065 AC_TRY_COMPILE([$1],[$2],[
1066 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1067 cf_cv_find_linkage_$3=maybe
1068 cf_test_CPPFLAGS="$CPPFLAGS"
1070 CPPFLAGS="$cf_save_CPPFLAGS"
1075 if test "$cf_cv_find_linkage_$3" = maybe ; then
1077 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1079 cf_save_LIBS="$LIBS"
1080 cf_save_LDFLAGS="$LDFLAGS"
1083 CPPFLAGS="$cf_test_CPPFLAGS"
1084 LIBS="-l$3 $7 $cf_save_LIBS"
1085 AC_TRY_LINK([$1],[$2],[
1086 CF_VERBOSE(... found $3 library in system)
1087 cf_cv_find_linkage_$3=yes])
1088 CPPFLAGS="$cf_save_CPPFLAGS"
1089 LIBS="$cf_save_LIBS"
1092 if test "$cf_cv_find_linkage_$3" != yes ; then
1093 CF_LIBRARY_PATH(cf_search,$3)
1094 for cf_cv_library_path_$3 in $cf_search
1096 if test -d $cf_cv_library_path_$3 ; then
1097 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1098 CPPFLAGS="$cf_test_CPPFLAGS"
1099 LIBS="-l$3 $7 $cf_save_LIBS"
1100 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1101 AC_TRY_LINK([$1],[$2],[
1102 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1103 cf_cv_find_linkage_$3=yes
1104 cf_cv_library_file_$3="-l$3"
1106 CPPFLAGS="$cf_save_CPPFLAGS"
1107 LIBS="$cf_save_LIBS"
1108 LDFLAGS="$cf_save_LDFLAGS"
1112 CPPFLAGS="$cf_save_CPPFLAGS"
1113 LDFLAGS="$cf_save_LDFLAGS"
1117 cf_cv_find_linkage_$3=no
1122 LIBS="$cf_save_LIBS"
1124 if test "$cf_cv_find_linkage_$3" = yes ; then
1126 CF_ADD_INCDIR($cf_cv_header_path_$3)
1127 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1131 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1134 dnl ---------------------------------------------------------------------------
1135 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1136 dnl -----------------
1137 dnl make ADAFLAGS consistent with CFLAGS
1138 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1139 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1147 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1148 CF_ADD_ADAFLAGS($cf_O_flag)
1151 AC_MSG_RESULT($ADAFLAGS)
1153 dnl ---------------------------------------------------------------------------
1154 dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
1155 dnl -----------------
1156 dnl Test for availability of useful gcc __attribute__ directives to quiet
1157 dnl compiler warnings. Though useful, not all are supported -- and contrary
1158 dnl to documentation, unrecognized directives cause older compilers to barf.
1159 AC_DEFUN([CF_GCC_ATTRIBUTES],
1161 if test "$GCC" = yes
1163 cat > conftest.i <<EOF
1165 #define GCC_PRINTF 0
1170 #ifndef GCC_NORETURN
1171 #define GCC_NORETURN /* nothing */
1174 #define GCC_UNUSED /* nothing */
1177 if test "$GCC" = yes
1179 AC_CHECKING([for $CC __attribute__ directives])
1180 cat > conftest.$ac_ext <<EOF
1181 #line __oline__ "${as_me:-configure}"
1182 #include "confdefs.h"
1183 #include "conftest.h"
1184 #include "conftest.i"
1186 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1188 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1191 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1193 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1195 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1196 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1197 extern void foo(void) GCC_NORETURN;
1198 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1200 cf_printf_attribute=no
1201 cf_scanf_attribute=no
1202 for cf_attribute in scanf printf unused noreturn
1204 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1205 cf_directive="__attribute__(($cf_attribute))"
1206 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1208 case $cf_attribute in
1210 cf_printf_attribute=yes
1211 cat >conftest.h <<EOF
1212 #define GCC_$cf_ATTRIBUTE 1
1216 cf_scanf_attribute=yes
1217 cat >conftest.h <<EOF
1218 #define GCC_$cf_ATTRIBUTE 1
1222 cat >conftest.h <<EOF
1223 #define GCC_$cf_ATTRIBUTE $cf_directive
1228 if AC_TRY_EVAL(ac_compile); then
1229 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1230 cat conftest.h >>confdefs.h
1231 case $cf_attribute in
1233 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1236 cf_value='/* nothing */'
1237 if test "$cf_printf_attribute" != no ; then
1238 cf_value='__attribute__((format(printf,fmt,var)))'
1239 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1241 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1244 cf_value='/* nothing */'
1245 if test "$cf_scanf_attribute" != no ; then
1246 cf_value='__attribute__((format(scanf,fmt,var)))'
1247 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1249 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1252 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1258 fgrep define conftest.i >>confdefs.h
1263 dnl ---------------------------------------------------------------------------
1264 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1266 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1267 dnl compatible), attempt to determine if icc/clang is actually used.
1268 AC_DEFUN([CF_GCC_VERSION],[
1269 AC_REQUIRE([AC_PROG_CC])
1271 if test "$GCC" = yes ; then
1272 AC_MSG_CHECKING(version of $CC)
1273 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1274 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1275 AC_MSG_RESULT($GCC_VERSION)
1277 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1278 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1280 dnl ---------------------------------------------------------------------------
1281 dnl CF_GCC_WARNINGS version: 37 updated: 2020/01/05 20:04:12
1283 dnl Check if the compiler supports useful warning options. There's a few that
1284 dnl we don't use, simply because they're too noisy:
1286 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1287 dnl -Winline (usually not worthwhile)
1288 dnl -Wredundant-decls (system headers make this too noisy)
1289 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1290 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1291 dnl is enabled for ncurses using "--enable-const".
1295 dnl $1 is an optional list of gcc warning flags that a particular
1296 dnl application might want to use, e.g., "no-unused" for
1299 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1301 AC_DEFUN([CF_GCC_WARNINGS],
1303 AC_REQUIRE([CF_GCC_VERSION])
1304 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1305 cat > conftest.$ac_ext <<EOF
1306 #line __oline__ "${as_me:-configure}"
1307 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1309 if test "$INTEL_COMPILER" = yes
1311 # The "-wdXXX" options suppress warnings:
1312 # remark #1419: external declaration in primary source file
1313 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1314 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1315 # remark #193: zero used for undefined preprocessing identifier
1316 # remark #593: variable "curs_sb_left_arrow" was set but never used
1317 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1318 # remark #869: parameter "tw" was never referenced
1319 # remark #981: operands are evaluated in unspecified order
1320 # warning #279: controlling expression is constant
1322 AC_CHECKING([for $CC warning options])
1323 cf_save_CFLAGS="$CFLAGS"
1324 EXTRA_CFLAGS="-Wall"
1336 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1337 if AC_TRY_EVAL(ac_compile); then
1338 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1339 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1342 CFLAGS="$cf_save_CFLAGS"
1343 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1345 AC_CHECKING([for $CC warning options])
1346 cf_save_CFLAGS="$CFLAGS"
1349 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1350 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1351 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1352 for cf_opt in W Wall \
1353 Wbad-function-cast \
1356 Wdeclaration-after-statement \
1359 Wmissing-declarations \
1360 Wmissing-prototypes \
1364 Wstrict-prototypes \
1365 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1367 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1368 if AC_TRY_EVAL(ac_compile); then
1369 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1372 case $GCC_VERSION in
1374 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1379 case $GCC_VERSION in
1381 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1386 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1389 CFLAGS="$cf_save_CFLAGS"
1393 AC_SUBST(EXTRA_CFLAGS)
1395 dnl ---------------------------------------------------------------------------
1396 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1397 dnl -----------------
1398 AC_DEFUN([CF_GNATPREP_OPT_T],[
1399 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1400 cf_cv_gnatprep_opt_t=no
1401 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1403 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1404 AC_SUBST(GNATPREP_OPTS)
1406 dnl ---------------------------------------------------------------------------
1407 dnl CF_GNAT_GENERICS version: 4 updated: 2019/12/31 08:53:54
1408 dnl ----------------
1409 AC_DEFUN([CF_GNAT_GENERICS],
1411 AC_REQUIRE([CF_GNAT_VERSION])
1413 AC_MSG_CHECKING(if GNAT supports generics)
1414 case $cf_cv_gnat_version in
1415 (3.[[1-9]]*|[[4-9]].*)
1416 cf_gnat_generics=yes
1422 AC_MSG_RESULT($cf_gnat_generics)
1424 if test "$cf_gnat_generics" = yes
1426 cf_compile_generics=generics
1427 cf_generic_objects="\${GENOBJS}"
1429 cf_compile_generics=
1433 AC_SUBST(cf_compile_generics)
1434 AC_SUBST(cf_generic_objects)
1436 dnl ---------------------------------------------------------------------------
1437 dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
1438 dnl ----------------
1439 dnl GNAT projects are configured with ".gpr" project files.
1440 dnl GNAT libraries are a further development, using the project feature.
1441 AC_DEFUN([CF_GNAT_PROJECTS],
1443 AC_REQUIRE([CF_GNAT_VERSION])
1444 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1446 cf_gnat_libraries=no
1449 if test "$enable_gnat_projects" != no ; then
1450 AC_MSG_CHECKING(if GNAT supports project files)
1451 case $cf_cv_gnat_version in
1455 case $cf_cv_system_name in
1459 rm -rf conftest* *~conftest*
1460 if mkdir conftest.src conftest.bin conftest.lib
1463 rm -rf conftest* *~conftest*
1464 cat >>library.gpr <<CF_EOF
1466 Kind := External ("LIB_KIND");
1467 for Library_Name use "ConfTest";
1468 for Object_Dir use ".";
1469 for Library_ALI_Dir use External("LIBRARY_DIR");
1470 for Library_Version use External ("SONAME");
1471 for Library_Kind use Kind;
1472 for Library_Dir use External("BUILD_DIR");
1473 Source_Dir := External ("SOURCE_DIR");
1474 for Source_Dirs use (Source_Dir);
1477 cat >>confpackage.ads <<CF_EOF
1478 package ConfPackage is
1482 cat >>confpackage.adb <<CF_EOF
1484 package body ConfPackage is
1485 procedure conftest is
1487 Text_IO.Put ("Hello World");
1492 if ( $cf_ada_make $ADAFLAGS \
1494 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1495 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1496 -XSOURCE_DIR=`pwd` \
1497 -XSONAME=libConfTest.so.1 \
1498 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1499 cf_gnat_projects=yes
1503 if test -f conftest.lib/confpackage.ali
1505 cf_gnat_libraries=yes
1507 rm -rf conftest* *~conftest*
1512 AC_MSG_RESULT($cf_gnat_projects)
1513 fi # enable_gnat_projects
1515 if test $cf_gnat_projects = yes
1517 AC_MSG_CHECKING(if GNAT supports libraries)
1518 AC_MSG_RESULT($cf_gnat_libraries)
1521 if test "$cf_gnat_projects" = yes
1523 USE_OLD_MAKERULES="#"
1524 USE_GNAT_PROJECTS=""
1526 USE_OLD_MAKERULES=""
1527 USE_GNAT_PROJECTS="#"
1530 if test "$cf_gnat_libraries" = yes
1532 USE_GNAT_LIBRARIES=""
1534 USE_GNAT_LIBRARIES="#"
1537 AC_SUBST(USE_OLD_MAKERULES)
1538 AC_SUBST(USE_GNAT_PROJECTS)
1539 AC_SUBST(USE_GNAT_LIBRARIES)
1541 dnl ---------------------------------------------------------------------------
1542 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1544 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1545 dnl is noted that gnat may compile a tasking unit even for configurations which
1546 dnl fail at runtime.
1547 AC_DEFUN([CF_GNAT_SIGINT],[
1548 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1549 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1553 pragma Warnings (Off); -- the next pragma exists since 3.11p
1554 pragma Unreserve_All_Interrupts;
1555 pragma Warnings (On);
1557 protected Process is
1559 function Continue return Boolean;
1560 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1562 Done : Boolean := False;
1566 [package body ConfTest is
1567 protected body Process is
1572 function Continue return Boolean is
1578 [cf_cv_gnat_sigint=yes],
1579 [cf_cv_gnat_sigint=no])])
1581 if test $cf_cv_gnat_sigint = yes ; then
1586 AC_SUBST(USE_GNAT_SIGINT)
1588 dnl ---------------------------------------------------------------------------
1589 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1590 dnl ----------------
1591 dnl Verify that a test program compiles/links with GNAT.
1592 dnl $cf_ada_make is set to the program that compiles/links
1593 dnl $ADAFLAGS may be set to the GNAT flags.
1595 dnl $1 is the text of the spec
1596 dnl $2 is the text of the body
1597 dnl $3 is the shell command to execute if successful
1598 dnl $4 is the shell command to execute if not successful
1599 AC_DEFUN([CF_GNAT_TRY_LINK],
1601 rm -rf conftest* *~conftest*
1602 cat >>conftest.ads <<CF_EOF
1605 cat >>conftest.adb <<CF_EOF
1608 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1609 ifelse($3,, :,[ $3])
1613 rm -rf conftest* *~conftest*
1615 dnl ---------------------------------------------------------------------------
1616 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1618 dnl Verify that a test program compiles and runs with GNAT
1619 dnl $cf_ada_make is set to the program that compiles/links
1620 dnl $ADAFLAGS may be set to the GNAT flags.
1622 dnl $1 is the text of the spec
1623 dnl $2 is the text of the body
1624 dnl $3 is the shell command to execute if successful
1625 dnl $4 is the shell command to execute if not successful
1626 AC_DEFUN([CF_GNAT_TRY_RUN],
1628 rm -rf conftest* *~conftest*
1629 cat >>conftest.ads <<CF_EOF
1632 cat >>conftest.adb <<CF_EOF
1635 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1636 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1637 ifelse($3,, :,[ $3])
1644 rm -rf conftest* *~conftest*
1646 dnl ---------------------------------------------------------------------------
1647 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1649 dnl $1 = cache variable to update
1650 dnl $2 = program name
1651 dnl Verify version of GNAT or related tool
1652 AC_DEFUN([CF_GNAT_VERSION],
1654 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1655 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1656 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1657 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1659 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1660 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1662 dnl ---------------------------------------------------------------------------
1663 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1665 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1666 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1667 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1668 dnl since it is interwoven with GNU extensions.
1670 dnl Well, yes we could work around it...
1673 dnl $1 is the nominal value for _XOPEN_SOURCE
1674 AC_DEFUN([CF_GNU_SOURCE],
1676 cf_gnu_xopen_source=ifelse($1,,500,$1)
1678 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1679 AC_TRY_COMPILE([#include <sys/types.h>],[
1680 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1682 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1685 # error not GNU C library
1687 [cf_cv_gnu_library=yes],
1688 [cf_cv_gnu_library=no])
1691 if test x$cf_cv_gnu_library = xyes; then
1693 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1694 # was changed to help a little. newlib incorporated the change about 4
1696 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1698 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1699 AC_TRY_COMPILE([#include <sys/types.h>],[
1700 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1702 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1705 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1707 [cf_cv_gnu_library_219=yes],
1708 [cf_cv_gnu_library_219=no])
1712 if test "x$cf_cv_gnu_library_219" = xyes; then
1714 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1715 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1718 #include <sys/types.h>
1720 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1723 # error GNU C library is too old
1725 [cf_cv_gnu_dftsrc_219=yes],
1726 [cf_cv_gnu_dftsrc_219=no])
1728 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1730 cf_cv_gnu_dftsrc_219=maybe
1733 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1735 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1736 AC_TRY_COMPILE([#include <sys/types.h>],[
1737 #ifndef _XOPEN_SOURCE
1738 #error expected _XOPEN_SOURCE to be defined
1740 [cf_cv_gnu_source=no],
1741 [cf_save="$CPPFLAGS"
1742 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1743 AC_TRY_COMPILE([#include <sys/types.h>],[
1744 #ifdef _XOPEN_SOURCE
1745 #error expected _XOPEN_SOURCE to be undefined
1747 [cf_cv_gnu_source=no],
1748 [cf_cv_gnu_source=yes])
1753 if test "$cf_cv_gnu_source" = yes
1755 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1756 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1757 AC_TRY_COMPILE([#include <sys/types.h>],[
1758 #ifdef _DEFAULT_SOURCE
1759 #error expected _DEFAULT_SOURCE to be undefined
1761 [cf_cv_default_source=no],
1762 [cf_cv_default_source=yes])
1764 if test "$cf_cv_default_source" = yes
1766 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1773 dnl ---------------------------------------------------------------------------
1774 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1776 dnl Construct a search-list of directories for a nonstandard header-file
1779 dnl $1 = the variable to return as result
1780 dnl $2 = the package name
1781 AC_DEFUN([CF_HEADER_PATH],
1785 # collect the current set of include-directories from compiler flags
1786 cf_header_path_list=""
1787 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1788 for cf_header_path in $CPPFLAGS $CFLAGS
1790 case $cf_header_path in
1792 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1793 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1794 cf_header_path_list="$cf_header_path_list [$]$1"
1800 # add the variations for the package we are looking for
1801 CF_SUBDIR_PATH($1,$2,include)
1803 test "$includedir" != NONE && \
1804 test "$includedir" != "/usr/include" && \
1805 test -d "$includedir" && {
1806 test -d $includedir && $1="[$]$1 $includedir"
1807 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1810 test "$oldincludedir" != NONE && \
1811 test "$oldincludedir" != "/usr/include" && \
1812 test -d "$oldincludedir" && {
1813 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1814 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1817 $1="[$]$1 $cf_header_path_list"
1819 dnl ---------------------------------------------------------------------------
1820 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1822 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1823 AC_DEFUN([CF_HELP_MESSAGE],
1824 [CF_ACVERSION_CHECK(2.53,[],[
1825 AC_DIVERT_HELP($1)])dnl
1827 dnl ---------------------------------------------------------------------------
1828 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1830 dnl Construct the list of include-options according to whether we're building
1831 dnl in the source directory or using '--srcdir=DIR' option.
1832 AC_DEFUN([CF_INCLUDE_DIRS],
1834 if test "$srcdir" != "."; then
1835 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1837 CPPFLAGS="-I../include $CPPFLAGS"
1838 if test "$srcdir" != "."; then
1839 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1841 CPPFLAGS="-I. $CPPFLAGS"
1844 dnl ---------------------------------------------------------------------------
1845 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1847 dnl prompt for/fill-in useful install-program options
1848 AC_DEFUN([CF_INSTALL_OPTS],
1854 dnl ---------------------------------------------------------------------------
1855 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1856 dnl ----------------
1857 dnl Almost all "install" programs default to the current user's ownership.
1858 dnl Almost - MINIX is an exception.
1859 AC_DEFUN([CF_INSTALL_OPT_O],
1861 AC_MSG_CHECKING(if install needs to be told about ownership)
1862 case `$ac_config_guess` in
1871 AC_MSG_RESULT($with_install_o)
1872 if test "x$with_install_o" = xyes
1874 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'`
1879 AC_SUBST(INSTALL_OPT_O)
1881 dnl ---------------------------------------------------------------------------
1882 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1883 dnl ----------------
1884 dnl Some install-programs accept a "-p" option to preserve file modification
1885 dnl timestamps. That can be useful as an install option, as well as a way to
1886 dnl avoid the need for ranlib after copying a static archive.
1887 AC_DEFUN([CF_INSTALL_OPT_P],
1889 : ${INSTALL:=install}
1890 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1895 if $INSTALL -p conftest.in conftest.out 2>/dev/null
1897 if test -f conftest.out/conftest.in
1899 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1900 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1901 if test -s conftest.err
1916 dnl ---------------------------------------------------------------------------
1917 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
1918 dnl ----------------
1919 dnl By default, we should strip executables which are installed, but leave the
1920 dnl ability to suppress that for unit-testing.
1921 AC_DEFUN([CF_INSTALL_OPT_S],
1923 AC_MSG_CHECKING(if you want to install stripped executables)
1924 CF_ARG_DISABLE(stripping,
1925 [ --disable-stripping do not strip (debug info) installed executables],
1926 [with_stripping=no],
1927 [with_stripping=yes])
1928 AC_MSG_RESULT($with_stripping)
1930 if test "$with_stripping" = yes
1936 AC_SUBST(INSTALL_OPT_S)
1938 dnl ---------------------------------------------------------------------------
1939 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1940 dnl -----------------
1941 dnl Check if the given compiler is really the Intel compiler for Linux. It
1942 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1943 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1945 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1946 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1947 dnl the wrappers for gcc and g++ warnings.
1949 dnl $1 = GCC (default) or GXX
1950 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1951 dnl $3 = CFLAGS (default) or CXXFLAGS
1952 AC_DEFUN([CF_INTEL_COMPILER],[
1953 AC_REQUIRE([AC_CANONICAL_HOST])
1954 ifelse([$2],,INTEL_COMPILER,[$2])=no
1956 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1959 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1960 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1961 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1963 #ifdef __INTEL_COMPILER
1967 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1968 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1970 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1971 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1976 dnl ---------------------------------------------------------------------------
1977 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
1979 dnl Add checks for large file support.
1980 AC_DEFUN([CF_LARGEFILE],[
1981 ifdef([AC_FUNC_FSEEKO],[
1983 if test "$enable_largefile" != no ; then
1986 # Normally we would collect these definitions in the config.h,
1987 # but (like _XOPEN_SOURCE), some environments rely on having these
1988 # defined before any of the system headers are included. Another
1989 # case comes up with C++, e.g., on AIX the compiler compiles the
1990 # header files by themselves before looking at the body files it is
1991 # told to compile. For ncurses, those header files do not include
1993 if test "$ac_cv_sys_large_files" != no
1995 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
1997 if test "$ac_cv_sys_largefile_source" != no
1999 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2001 if test "$ac_cv_sys_file_offset_bits" != no
2003 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2006 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2008 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2009 #include <sys/types.h>
2012 /* if transitional largefile support is setup, this is true */
2013 extern struct dirent64 * readdir(DIR *);
2014 struct dirent64 *x = readdir((DIR *)0);
2015 struct dirent *y = readdir((DIR *)0);
2019 [cf_cv_struct_dirent64=yes],
2020 [cf_cv_struct_dirent64=no])
2022 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2026 dnl ---------------------------------------------------------------------------
2027 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
2029 dnl For the given system and compiler, find the compiler flags to pass to the
2030 dnl loader to use the "rpath" feature.
2031 AC_DEFUN([CF_LD_RPATH_OPT],
2033 AC_REQUIRE([CF_CHECK_CACHE])
2036 if test "x$cf_cv_enable_rpath" != xno
2038 AC_MSG_CHECKING(for an rpath option)
2039 case $cf_cv_system_name in
2041 if test "$GCC" = yes; then
2042 LD_RPATH_OPT="-Wl,-rpath,"
2044 LD_RPATH_OPT="-rpath "
2047 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2048 LD_RPATH_OPT="-Wl,-rpath,"
2050 (openbsd[[2-9]].*|mirbsd*)
2051 LD_RPATH_OPT="-Wl,-rpath,"
2054 LD_RPATH_OPT="-rpath "
2057 LD_RPATH_OPT="-Wl,-rpath,"
2060 LD_RPATH_OPT="-rpath "
2068 AC_MSG_RESULT($LD_RPATH_OPT)
2070 case "x$LD_RPATH_OPT" in
2072 AC_MSG_CHECKING(if we need a space after rpath option)
2073 cf_save_LIBS="$LIBS"
2074 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2075 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2076 LIBS="$cf_save_LIBS"
2077 AC_MSG_RESULT($cf_rpath_space)
2078 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2083 dnl ---------------------------------------------------------------------------
2084 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2086 dnl Construct a search-list of directories for a nonstandard library-file
2089 dnl $1 = the variable to return as result
2090 dnl $2 = the package name
2091 AC_DEFUN([CF_LIBRARY_PATH],
2094 cf_library_path_list=""
2095 if test -n "${LDFLAGS}${LIBS}" ; then
2096 for cf_library_path in $LDFLAGS $LIBS
2098 case $cf_library_path in
2100 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2101 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2102 cf_library_path_list="$cf_library_path_list [$]$1"
2108 CF_SUBDIR_PATH($1,$2,lib)
2110 $1="$cf_library_path_list [$]$1"
2112 dnl ---------------------------------------------------------------------------
2113 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
2115 dnl Compute the library-prefix for the given host system
2116 dnl $1 = variable to set
2117 define([CF_LIB_PREFIX],
2119 case $cf_cv_system_name in
2121 if test "$DFT_LWR_MODEL" = libtool; then
2127 (*) LIB_PREFIX='lib'
2130 ifelse($1,,,[$1=$LIB_PREFIX])
2131 AC_SUBST(LIB_PREFIX)
2133 dnl ---------------------------------------------------------------------------
2134 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
2136 dnl Compute the library file-suffix from the given model name
2138 dnl $2 = variable to set (the nominal library suffix)
2139 dnl $3 = dependency variable to set (actual filename)
2140 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2141 AC_DEFUN([CF_LIB_SUFFIX],
2157 case $cf_cv_system_name in
2162 (cygwin*|msys*|mingw*)
2193 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2195 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2196 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2199 dnl ---------------------------------------------------------------------------
2200 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2202 dnl Compute the string to append to -library from the given model name
2204 dnl $2 = variable to set
2205 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2206 AC_DEFUN([CF_LIB_TYPE],
2212 (profile) $2='_p' ;;
2215 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2217 dnl ---------------------------------------------------------------------------
2218 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2219 dnl ----------------
2220 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2221 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2222 dnl have to provide wrappers for global tables to ensure they're linked
2224 AC_DEFUN([CF_LINK_DATAONLY],
2226 AC_MSG_CHECKING([if data-only library module links])
2227 AC_CACHE_VAL(cf_cv_link_dataonly,[
2229 cat >conftest.$ac_ext <<EOF
2230 #line __oline__ "configure"
2231 int testdata[[3]] = { 123, 456, 789 };
2233 if AC_TRY_EVAL(ac_compile) ; then
2234 mv conftest.o data.o && \
2235 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2237 rm -f conftest.$ac_ext data.o
2238 cat >conftest.$ac_ext <<EOF
2239 #line __oline__ "configure"
2243 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2245 extern int testdata[[3]];
2246 return testdata[[0]] == 123
2247 && testdata[[1]] == 456
2248 && testdata[[2]] == 789;
2252 if AC_TRY_EVAL(ac_compile); then
2253 mv conftest.o func.o && \
2254 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2256 rm -f conftest.$ac_ext func.o
2257 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2259 LIBS="conftest.a $LIBS"
2263 extern int testfunc();
2264 ${cf_cv_main_return:-return} (!testfunc());
2267 [cf_cv_link_dataonly=yes],
2268 [cf_cv_link_dataonly=no],
2269 [cf_cv_link_dataonly=unknown])
2272 AC_MSG_RESULT($cf_cv_link_dataonly)
2274 if test "$cf_cv_link_dataonly" = no ; then
2275 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2278 AC_SUBST(BROKEN_LINKER)
2281 dnl ---------------------------------------------------------------------------
2282 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2284 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2285 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2286 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2287 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2288 AC_DEFUN([CF_MAKEFLAGS],
2290 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2292 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2294 cat >cf_makeflags.tmp <<CF_EOF
2297 @ echo '.$cf_option'
2299 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2300 case "$cf_result" in
2302 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2303 case "$cf_result" in
2304 (.*CC=*) cf_cv_makeflags=
2306 (*) cf_cv_makeflags=$cf_option
2314 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2318 rm -f cf_makeflags.tmp
2321 AC_SUBST(cf_cv_makeflags)
2323 dnl ---------------------------------------------------------------------------
2324 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2326 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2327 dnl a monocase filesystem.
2328 AC_DEFUN([CF_MAKE_TAGS],[
2329 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2331 AC_CHECK_PROGS(CTAGS, exctags ctags)
2332 AC_CHECK_PROGS(ETAGS, exetags etags)
2334 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2336 if test "$cf_cv_mixedcase" = yes ; then
2337 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2342 if test "$MAKE_UPPER_TAGS" = yes ; then
2348 if test "$MAKE_LOWER_TAGS" = yes ; then
2357 AC_SUBST(MAKE_UPPER_TAGS)
2358 AC_SUBST(MAKE_LOWER_TAGS)
2360 dnl ---------------------------------------------------------------------------
2361 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2362 dnl ----------------------
2363 dnl Check if the file-system supports mixed-case filenames. If we're able to
2364 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2365 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2367 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2368 if test "$cross_compiling" = yes ; then
2369 case $target_alias in
2370 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2378 rm -f conftest CONFTEST
2380 if test -f CONFTEST ; then
2385 rm -f conftest CONFTEST
2388 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2390 dnl ---------------------------------------------------------------------------
2391 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2393 dnl Check for a working mkstemp. This creates two files, checks that they are
2394 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2395 AC_DEFUN([CF_MKSTEMP],[
2399 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2402 #include <sys/types.h>
2403 #ifdef HAVE_UNISTD_H
2409 #include <sys/stat.h>
2412 char *tmpl = "conftestXXXXXX";
2420 for (n = 0; n < 2; ++n) {
2421 strcpy(name[n], tmpl);
2422 if ((fd = mkstemp(name[n])) >= 0) {
2423 if (!strcmp(name[n], tmpl)
2424 || stat(name[n], &sb) != 0
2425 || (sb.st_mode & S_IFMT) != S_IFREG
2426 || (sb.st_mode & 077) != 0) {
2433 && !strcmp(name[0], name[1]))
2435 ${cf_cv_main_return:-return}(result);
2437 ],[cf_cv_func_mkstemp=yes
2438 ],[cf_cv_func_mkstemp=no
2439 ],[cf_cv_func_mkstemp=maybe])
2441 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2442 AC_CHECK_FUNC(mkstemp)
2444 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2445 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2448 dnl ---------------------------------------------------------------------------
2449 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2451 dnl Write a debug message to config.log, along with the line number in the
2452 dnl configure script.
2453 AC_DEFUN([CF_MSG_LOG],[
2454 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2456 dnl ---------------------------------------------------------------------------
2457 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2458 dnl ----------------
2459 dnl Configure an ncurses add-on, built outside the ncurses tree.
2460 AC_DEFUN([CF_NCURSES_ADDON],[
2461 AC_REQUIRE([CF_NCURSES_CONFIG])
2463 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2465 AC_MSG_CHECKING(if you want wide-character code)
2466 AC_ARG_ENABLE(widec,
2467 [ --enable-widec compile with wide-char/UTF-8 code],
2468 [with_widec=$enableval],
2470 AC_MSG_RESULT($with_widec)
2471 if test "$with_widec" = yes ; then
2473 CF_NCURSES_CONFIG(ncursesw)
2475 CF_NCURSES_CONFIG(ncurses)
2478 if test "$NCURSES_CONFIG_PKG" != none ; then
2479 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2481 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2482 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2483 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2485 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2486 if test -z "$cf_cv_abi_version"
2488 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2491 elif test "$NCURSES_CONFIG" != none ; then
2493 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2495 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2496 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2497 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2499 # ABI version is not available from headers
2500 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2504 for cf_name in MAJOR MINOR PATCH
2506 cat >conftest.$ac_ext <<CF_EOF
2507 #include <${cf_cv_ncurses_header:-curses.h}>
2508 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2510 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2512 if test -f conftest.out ; then
2513 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2514 eval NCURSES_$cf_name=\"$cf_result\"
2515 # cat conftest.$ac_ext
2520 cf_cv_abi_version=${NCURSES_MAJOR}
2524 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2526 dnl Show the computed version, for logging
2527 cf_cv_timestamp=`date`
2529 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2531 dnl We need these values in the generated headers
2532 AC_SUBST(NCURSES_MAJOR)
2533 AC_SUBST(NCURSES_MINOR)
2534 AC_SUBST(NCURSES_PATCH)
2536 dnl We need these values in the generated makefiles
2537 AC_SUBST(cf_cv_rel_version)
2538 AC_SUBST(cf_cv_abi_version)
2540 dnl FIXME - not needed for Ada95
2541 AC_SUBST(cf_cv_builtin_bool)
2542 AC_SUBST(cf_cv_header_stdbool_h)
2543 AC_SUBST(cf_cv_type_of_bool)dnl
2546 dnl ---------------------------------------------------------------------------
2547 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2548 dnl -------------------
2549 dnl Check if we can compile with ncurses' header file
2550 dnl $1 is the cache variable to set
2551 dnl $2 is the header-file to include
2552 dnl $3 is the root name (ncurses or ncursesw)
2553 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2555 ]ifelse($3,ncursesw,[
2556 #define _XOPEN_SOURCE_EXTENDED
2557 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2558 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2561 #ifdef NCURSES_VERSION
2562 ]ifelse($3,ncursesw,[
2567 printf("%s\n", NCURSES_VERSION);
2579 dnl ---------------------------------------------------------------------------
2580 dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
2581 dnl -----------------
2582 dnl Tie together the configure-script macros for ncurses, preferring these in
2584 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2585 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2586 dnl c) just plain libraries
2588 dnl $1 is the root library name (default: "ncurses")
2589 AC_DEFUN([CF_NCURSES_CONFIG],[
2590 AC_REQUIRE([CF_PKG_CONFIG])
2591 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2592 cf_have_ncuconfig=no
2594 if test "x${PKG_CONFIG:=none}" != xnone; then
2595 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2596 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2599 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2600 cf_have_ncuconfig=unknown
2602 cf_save_CFLAGS="$CFLAGS"
2603 cf_save_CPPFLAGS="$CPPFLAGS"
2604 cf_save_LIBS="$LIBS"
2606 cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
2607 cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
2609 # while -W for passing linker flags is prevalent, it is not "standard".
2610 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2611 # incompatible _and_ non-standard -W option which gives an error. Work
2612 # around that pitfall.
2613 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2615 CF_ADD_CFLAGS($cf_pkg_cflags)
2616 CF_ADD_LIBS($cf_pkg_libs)
2618 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2619 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2620 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2622 { char *xx = curses_version(); return (xx == 0); }],
2623 [cf_test_ncuconfig=yes],
2624 [cf_test_ncuconfig=no],
2625 [cf_test_ncuconfig=maybe])],
2626 [cf_test_ncuconfig=no])
2628 CFLAGS="$cf_save_CFLAGS"
2629 CPPFLAGS="$cf_save_CPPFLAGS"
2630 LIBS="$cf_save_LIBS"
2632 if test "x$cf_test_ncuconfig" != xyes; then
2633 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2634 cf_pkg_cflags="$cf_temp"
2635 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2636 cf_pkg_libs="$cf_temp"
2641 CF_ADD_CFLAGS($cf_pkg_cflags)
2642 CF_ADD_LIBS($cf_pkg_libs)
2644 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2645 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2646 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2648 { char *xx = curses_version(); return (xx == 0); }],
2649 [cf_have_ncuconfig=yes],
2650 [cf_have_ncuconfig=no],
2651 [cf_have_ncuconfig=maybe])],
2652 [cf_have_ncuconfig=no])
2653 AC_MSG_RESULT($cf_have_ncuconfig)
2654 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2655 if test "$cf_have_ncuconfig" != "yes"
2657 CPPFLAGS="$cf_save_CPPFLAGS"
2658 LIBS="$cf_save_LIBS"
2659 NCURSES_CONFIG_PKG=none
2661 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2662 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2668 NCURSES_CONFIG_PKG=none
2671 NCURSES_CONFIG_PKG=none
2674 if test "x$cf_have_ncuconfig" = "xno"; then
2675 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2677 CF_ACVERSION_CHECK(2.52,
2678 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2679 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2681 if test "$NCURSES_CONFIG" != none ; then
2683 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2684 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2686 # even with config script, some packages use no-override for curses.h
2687 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2689 dnl like CF_NCURSES_CPPFLAGS
2690 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2692 dnl like CF_NCURSES_LIBS
2693 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2694 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2696 dnl like CF_NCURSES_VERSION
2697 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2701 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2702 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2709 dnl ---------------------------------------------------------------------------
2710 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2711 dnl -------------------
2712 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2713 dnl the CPPFLAGS variable so we can include its header.
2715 dnl The header files may be installed as either curses.h, or ncurses.h (would
2716 dnl be obsolete, except that some packagers prefer this name to distinguish it
2717 dnl from a "native" curses implementation). If not installed for overwrite,
2718 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2719 dnl /usr/include/ncurses), but someone may have installed overwriting the
2720 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2721 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2724 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2725 dnl is already in the include-path, don't even bother with this, since we cannot
2726 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2728 dnl The optional parameter gives the root name of the library, in case it is
2729 dnl not installed as the default curses library. That is how the
2730 dnl wide-character version of ncurses is installed.
2731 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2732 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2734 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2735 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2737 test -n "$cf_cv_curses_dir" && \
2738 test "$cf_cv_curses_dir" != "no" && { \
2739 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2742 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2743 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2744 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2745 for cf_header in $cf_header_list
2747 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2748 test "$cf_cv_ncurses_h" != no && break
2755 # some applications need this, but should check for NCURSES_VERSION
2756 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2760 dnl ---------------------------------------------------------------------------
2761 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2762 dnl -----------------
2763 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2764 dnl variations of ncurses' installs.
2766 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2767 AC_DEFUN([CF_NCURSES_HEADER],[
2769 if test "$cf_cv_ncurses_h" != no ; then
2770 cf_cv_ncurses_header=$cf_cv_ncurses_h
2773 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2774 test -n "$verbose" && echo
2775 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2776 test -n "$verbose" && echo search path $cf_search
2777 cf_save2_CPPFLAGS="$CPPFLAGS"
2778 for cf_incdir in $cf_search
2780 CF_ADD_INCDIR($cf_incdir)
2785 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2786 if test "$cf_cv_ncurses_h2" != no ; then
2787 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2788 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2791 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2793 CPPFLAGS="$cf_save2_CPPFLAGS"
2794 test "$cf_cv_ncurses_h2" != no && break
2796 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2799 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2800 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2801 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2802 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2804 CF_ADD_INCDIR($cf_1st_incdir)
2808 # Set definitions to allow ifdef'ing for ncurses.h
2810 case $cf_cv_ncurses_header in
2812 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2816 case $cf_cv_ncurses_header in
2817 (ncurses/curses.h|ncurses/ncurses.h)
2818 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2820 (ncursesw/curses.h|ncursesw/ncurses.h)
2821 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2826 dnl ---------------------------------------------------------------------------
2827 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2829 dnl Look for the ncurses library. This is a little complicated on Linux,
2830 dnl because it may be linked with the gpm (general purpose mouse) library.
2831 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2832 dnl unusable with ncurses. However, we don't want to link with gpm unless
2833 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2834 dnl and the linker will record a dependency.
2836 dnl The optional parameter gives the root name of the library, in case it is
2837 dnl not installed as the default curses library. That is how the
2838 dnl wide-character version of ncurses is installed.
2839 AC_DEFUN([CF_NCURSES_LIBS],
2840 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2842 cf_nculib_root=ifelse($1,,ncurses,$1)
2843 # This works, except for the special case where we find gpm, but
2844 # ncurses is in a nonstandard location via $LIBS, and we really want
2847 cf_ncurses_SAVE="$LIBS"
2848 AC_CHECK_LIB(gpm,Gpm_Open,
2849 [AC_CHECK_LIB(gpm,initscr,
2850 [LIBS="$cf_ncurses_SAVE"],
2851 [cf_ncurses_LIBS="-lgpm"])])
2855 # This is only necessary if you are linking against an obsolete
2856 # version of ncurses (but it should do no harm, since it's static).
2857 if test "$cf_nculib_root" = ncurses ; then
2858 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2863 CF_ADD_LIBS($cf_ncurses_LIBS)
2865 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2867 CF_ADD_LIBS(-l$cf_nculib_root)
2869 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2870 [#include <${cf_cv_ncurses_header:-curses.h}>],
2875 if test -n "$cf_ncurses_LIBS" ; then
2876 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2877 cf_ncurses_SAVE="$LIBS"
2878 for p in $cf_ncurses_LIBS ; do
2879 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2880 if test "$q" != "$LIBS" ; then
2884 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2885 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2886 [AC_MSG_RESULT(yes)],
2888 LIBS="$cf_ncurses_SAVE"])
2891 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2892 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2894 dnl ---------------------------------------------------------------------------
2895 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2896 dnl ------------------
2897 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2898 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2899 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2900 AC_DEFUN([CF_NCURSES_VERSION],
2902 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2903 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2904 cf_cv_ncurses_version=no
2908 #include <${cf_cv_ncurses_header:-curses.h}>
2912 FILE *fp = fopen("$cf_tempfile", "w");
2913 #ifdef NCURSES_VERSION
2914 # ifdef NCURSES_VERSION_PATCH
2915 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2917 fprintf(fp, "%s\n", NCURSES_VERSION);
2921 fprintf(fp, "old\n");
2926 ${cf_cv_main_return:-return}(0);
2928 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2930 # This will not work if the preprocessor splits the line after the
2931 # Autoconf token. The 'unproto' program does that.
2932 cat > conftest.$ac_ext <<EOF
2933 #include <${cf_cv_ncurses_header:-curses.h}>
2935 #ifdef NCURSES_VERSION
2936 Autoconf NCURSES_VERSION
2944 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2946 if test -f conftest.out ; then
2947 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2948 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2954 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2956 dnl ---------------------------------------------------------------------------
2957 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2959 dnl Compute the object-directory name from the given model name
2960 AC_DEFUN([CF_OBJ_SUBDIR],
2963 (libtool) $2='obj_lo' ;;
2964 (normal) $2='objects' ;;
2965 (debug) $2='obj_g' ;;
2966 (profile) $2='obj_p' ;;
2968 case $cf_cv_system_name in
2976 dnl ---------------------------------------------------------------------------
2977 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2979 dnl Provide a value for the $PATH and similar separator (or amend the value
2980 dnl as provided in autoconf 2.5x).
2981 AC_DEFUN([CF_PATHSEP],
2983 AC_MSG_CHECKING(for PATH separator)
2984 case $cf_cv_system_name in
2985 (os2*) PATH_SEPARATOR=';' ;;
2986 (*) ${PATH_SEPARATOR:=':'} ;;
2988 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2989 AC_SUBST(PATH_SEPARATOR)
2990 AC_MSG_RESULT($PATH_SEPARATOR)
2992 dnl ---------------------------------------------------------------------------
2993 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2995 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2996 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2997 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2998 dnl delayed evaluation of those symbols.
2999 AC_DEFUN([CF_PATH_SYNTAX],[
3000 if test "x$prefix" != xNONE; then
3001 cf_path_syntax="$prefix"
3003 cf_path_syntax="$ac_default_prefix"
3007 (.\[$]\(*\)*|.\'*\'*)
3011 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3013 (.\[$]{*prefix}*|.\[$]{*dir}*)
3017 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3022 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3025 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3029 dnl ---------------------------------------------------------------------------
3030 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
3032 dnl Check for the package-config program, unless disabled by command-line.
3033 AC_DEFUN([CF_PKG_CONFIG],
3035 AC_MSG_CHECKING(if you want to use pkg-config)
3036 AC_ARG_WITH(pkg-config,
3037 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3038 [cf_pkg_config=$withval],
3039 [cf_pkg_config=yes])
3040 AC_MSG_RESULT($cf_pkg_config)
3042 case $cf_pkg_config in
3047 CF_ACVERSION_CHECK(2.52,
3048 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3049 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3056 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3057 if test "$PKG_CONFIG" != none ; then
3058 CF_PATH_SYNTAX(PKG_CONFIG)
3059 elif test "x$cf_pkg_config" != xno ; then
3060 AC_MSG_WARN(pkg-config is not installed)
3063 AC_SUBST(PKG_CONFIG)
3065 dnl ---------------------------------------------------------------------------
3066 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3067 dnl -----------------
3068 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3070 dnl POSIX.1-1990 _POSIX_SOURCE
3071 dnl POSIX.1-1990 and _POSIX_SOURCE and
3072 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3074 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3075 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3076 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3079 dnl $1 is the nominal value for _POSIX_C_SOURCE
3080 AC_DEFUN([CF_POSIX_C_SOURCE],
3081 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3083 if test "$cf_cv_posix_visible" = no; then
3085 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3087 cf_save_CFLAGS="$CFLAGS"
3088 cf_save_CPPFLAGS="$CPPFLAGS"
3090 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3091 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3093 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3094 CF_MSG_LOG(if the symbol is already defined go no further)
3095 AC_TRY_COMPILE([#include <sys/types.h>],[
3096 #ifndef _POSIX_C_SOURCE
3099 [cf_cv_posix_c_source=no],
3100 [cf_want_posix_source=no
3101 case .$cf_POSIX_C_SOURCE in
3103 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3106 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3107 cf_want_posix_source=yes
3110 cf_want_posix_source=yes
3113 if test "$cf_want_posix_source" = yes ; then
3114 AC_TRY_COMPILE([#include <sys/types.h>],[
3115 #ifdef _POSIX_SOURCE
3118 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3120 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3121 CFLAGS="$cf_trim_CFLAGS"
3122 CPPFLAGS="$cf_trim_CPPFLAGS"
3123 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3124 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3125 AC_TRY_COMPILE([#include <sys/types.h>],[
3126 #ifndef _POSIX_C_SOURCE
3129 [cf_cv_posix_c_source=no])
3130 CFLAGS="$cf_save_CFLAGS"
3131 CPPFLAGS="$cf_save_CPPFLAGS"
3135 if test "$cf_cv_posix_c_source" != no ; then
3136 CFLAGS="$cf_trim_CFLAGS"
3137 CPPFLAGS="$cf_trim_CPPFLAGS"
3138 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3141 fi # cf_cv_posix_visible
3144 dnl ---------------------------------------------------------------------------
3145 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3146 dnl ----------------
3147 dnl POSIX documents test-macros which an application may set before any system
3148 dnl headers are included to make features available.
3150 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3151 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3152 dnl recent features visible in the system header files unless the application
3153 dnl overrides the corresponding test-macros. Doing that introduces portability
3156 dnl This macro makes a special check for the symbols used for this, to avoid a
3157 dnl conflicting definition.
3158 AC_DEFUN([CF_POSIX_VISIBLE],
3160 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3161 AC_TRY_COMPILE([#include <stdio.h>],[
3162 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3163 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3164 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3165 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3166 #error conflicting symbols found
3168 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3171 dnl ---------------------------------------------------------------------------
3172 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3174 dnl Check for archiver "ar".
3175 AC_DEFUN([CF_PROG_AR],[
3176 AC_CHECK_TOOL(AR, ar, ar)
3178 dnl ---------------------------------------------------------------------------
3179 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3181 dnl Check for awk, ensure that the check found something.
3182 AC_DEFUN([CF_PROG_AWK],
3185 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3187 dnl ---------------------------------------------------------------------------
3188 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3190 dnl standard check for CC, plus followup sanity checks
3191 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3192 AC_DEFUN([CF_PROG_CC],[
3193 CF_ACVERSION_CHECK(2.53,
3194 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3195 AC_REQUIRE([AC_PROG_CC])],
3197 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3199 CF_ACVERSION_CHECK(2.52,
3204 dnl ---------------------------------------------------------------------------
3205 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3207 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3208 dnl the output file can be renamed, and allows for a shell variable that can
3209 dnl be used later. The parameter is either CC or CXX. The result is the
3211 dnl $cf_cv_prog_CC_c_o
3212 dnl $cf_cv_prog_CXX_c_o
3215 dnl $2 = compiler options, if any
3216 AC_DEFUN([CF_PROG_CC_C_O],
3217 [AC_REQUIRE([AC_PROG_CC])dnl
3218 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3219 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3221 cat > conftest.$ac_ext <<CF_EOF
3224 ${cf_cv_main_return:-return}(0);
3227 # We do the test twice because some compilers refuse to overwrite an
3228 # existing .o file with -o, though they will create one.
3229 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3230 if AC_TRY_EVAL(ac_try) &&
3231 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3233 eval cf_cv_prog_$1_c_o=yes
3235 eval cf_cv_prog_$1_c_o=no
3239 if test $cf_cv_prog_$1_c_o = yes; then
3240 AC_MSG_RESULT([yes])
3245 dnl ---------------------------------------------------------------------------
3246 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3248 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3249 dnl This macro adds a check to ensure the script found something.
3250 AC_DEFUN([CF_PROG_EGREP],
3251 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3252 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3253 then ac_cv_prog_egrep='grep -E'
3254 else ac_cv_prog_egrep='egrep'
3256 EGREP=$ac_cv_prog_egrep
3258 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3260 dnl ---------------------------------------------------------------------------
3261 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3263 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3264 AC_DEFUN([CF_PROG_EXT],
3266 AC_REQUIRE([CF_CHECK_CACHE])
3267 case $cf_cv_system_name in
3269 CFLAGS="$CFLAGS -Zmt"
3270 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3271 CXXFLAGS="$CXXFLAGS -Zmt"
3272 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3273 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3283 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3285 dnl ---------------------------------------------------------------------------
3286 dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54
3288 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3289 AC_DEFUN([CF_PROG_GNAT],[
3290 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3292 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3294 unset ac_cv_path_cf_TEMP_gnat
3296 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3297 eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat
3299 if test "x$cf_TEMP_gnat" != xno; then
3300 unset cf_cv_gnat_version
3302 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3304 eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat
3307 unset cf_cv_gnat_version
3308 unset ac_cv_path_cf_TEMP_gnat
3311 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3313 cf_cv_prog_gnat_correct=no
3315 cf_ada_make=gnatmake
3316 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3317 # gprconfig is newer than gnatmake; we can continue...
3320 rm -rf conftest* *~conftest*
3321 if mkdir conftest.src
3325 for cf_gprconfig in Ada C
3327 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3328 if test $cf_gprconfig = C
3330 for cf_gprconfig_param in \
3331 $cf_gprconfig,,,,GNATGCC \
3332 $cf_gprconfig,,,,GCC \
3335 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3336 test -n "$cf_gprconfig_value" && break
3339 cf_gprconfig_param=$cf_gprconfig
3340 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3342 if test -n "$cf_gprconfig_value"
3344 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3345 AC_MSG_RESULT($cf_gprconfig_value)
3347 AC_MSG_RESULT(missing)
3353 rm -rf conftest* *~conftest*
3356 if test "x$cf_ada_config" != "x#"
3359 CF_CHECK_GNAT_VERSION
3360 AC_CHECK_PROG(M4_exists, m4, yes, no)
3361 if test "$ac_cv_prog_M4_exists" = no; then
3362 cf_cv_prog_gnat_correct=no
3363 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3365 if test "$cf_cv_prog_gnat_correct" = yes; then
3366 AC_MSG_CHECKING(if GNAT works)
3367 CF_GNAT_TRY_RUN([procedure conftest;],
3370 procedure conftest is
3372 Text_IO.Put ("Hello World");
3374 GNAT.OS_Lib.OS_Exit (0);
3376 [cf_cv_prog_gnat_correct=yes],
3377 [cf_cv_prog_gnat_correct=no])
3378 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3381 cf_cv_prog_gnat_correct=no
3385 AC_SUBST(cf_ada_make)
3386 AC_SUBST(cf_ada_config)
3387 AC_SUBST(cf_ada_config_Ada)
3388 AC_SUBST(cf_ada_config_C)
3390 dnl ---------------------------------------------------------------------------
3391 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3393 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3394 dnl misc/tabset install won't work properly. Usually this happens only when
3395 dnl using the fallback mkinstalldirs script
3396 AC_DEFUN([CF_PROG_INSTALL],
3402 CF_DIRNAME(cf_dir,$INSTALL)
3403 test -z "$cf_dir" && cf_dir=.
3404 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3408 dnl ---------------------------------------------------------------------------
3409 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3411 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3412 dnl option if it is supported.
3413 AC_DEFUN([CF_PROG_LN_S],[
3415 AC_MSG_CHECKING(if $LN_S -f options work)
3417 rm -f conf$$.src conf$$dst
3419 echo first >conf$$.src
3420 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3425 rm -f conf$$.dst conf$$src
3426 AC_MSG_RESULT($cf_prog_ln_sf)
3428 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3430 dnl ---------------------------------------------------------------------------
3431 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3432 dnl ----------------
3433 dnl Remove all -U and -D options that refer to the given symbol from a list
3434 dnl of C compiler options. This works around the problem that not all
3435 dnl compilers process -U and -D options from left-to-right, so a -U option
3436 dnl cannot be used to cancel the effect of a preceding -D option.
3438 dnl $1 = target (which could be the same as the source variable)
3439 dnl $2 = source (including '$')
3440 dnl $3 = symbol to remove
3441 define([CF_REMOVE_DEFINE],
3444 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3445 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3447 dnl ---------------------------------------------------------------------------
3448 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3450 dnl Remove the given library from the symbol
3452 dnl $1 = target (which could be the same as the source variable)
3453 dnl $2 = source (including '$')
3454 dnl $3 = library to remove
3455 define([CF_REMOVE_LIB],
3457 # remove $3 library from $2
3458 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3460 dnl ---------------------------------------------------------------------------
3461 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3462 dnl ---------------------
3463 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3464 dnl $1 = name of current macro
3465 define([CF_RESTORE_XTRA_FLAGS],
3467 LIBS="$cf_save_LIBS_$1"
3468 CFLAGS="$cf_save_CFLAGS_$1"
3469 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3471 dnl ---------------------------------------------------------------------------
3472 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3473 dnl ------------------
3474 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3475 dnl and libraries which do not update those variables.
3477 dnl $1 = name of current macro
3478 define([CF_SAVE_XTRA_FLAGS],
3480 cf_save_LIBS_$1="$LIBS"
3481 cf_save_CFLAGS_$1="$CFLAGS"
3482 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3483 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3484 for cf_X_CFLAGS in $X_CFLAGS
3486 case "x$cf_X_CFLAGS" in
3488 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3491 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3496 dnl ---------------------------------------------------------------------------
3497 dnl CF_SHARED_OPTS version: 94 updated: 2020/02/29 16:09:19
3500 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3504 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3505 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3506 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3507 dnl shared library since that can lead to unexpected results at runtime.
3508 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3509 dnl libraries are compiled in ../../lib
3511 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3512 dnl to install symbolic links to the rel/abi versions of shared libraries.
3514 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3515 dnl version when making symbolic links.
3517 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3518 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3519 dnl (ex: libncurses.so.<ver>).
3521 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3522 AC_DEFUN([CF_SHARED_OPTS],
3524 AC_REQUIRE([CF_LD_RPATH_OPT])
3530 INSTALL_LIB="-m 644"
3531 : ${rel_builddir:=.}
3539 cf_cv_do_symlinks=no
3541 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3543 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3544 AC_ARG_WITH(shlib-version,
3545 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3546 [test -z "$withval" && withval=auto
3549 cf_cv_shlib_version=auto
3552 cf_cv_shlib_version=$withval
3555 AC_MSG_RESULT($withval)
3556 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3559 ],[cf_cv_shlib_version=auto])
3560 AC_MSG_RESULT($cf_cv_shlib_version)
3565 # Some less-capable ports of gcc support only -fpic
3569 if test "$GCC" = yes
3573 case $cf_cv_system_name in
3574 (*linux*) # e.g., PGI compiler
3580 if test "$cf_try_fPIC" = yes
3582 AC_MSG_CHECKING(which $CC option to use)
3583 cf_save_CFLAGS="$CFLAGS"
3584 for CC_SHARED_OPTS in -fPIC -fpic ''
3586 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3587 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3589 AC_MSG_RESULT($CC_SHARED_OPTS)
3590 CFLAGS="$cf_save_CFLAGS"
3593 cf_cv_shlib_version_infix=no
3595 case $cf_cv_system_name in
3596 (aix4.[3-9]*|aix[[5-7]]*)
3597 if test "$GCC" = yes; then
3598 CC_SHARED_OPTS='-Wl,-brtl'
3599 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3601 CC_SHARED_OPTS='-brtl'
3602 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3603 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3607 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3611 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3612 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3613 cf_cv_shlib_version=cygdll
3614 cf_cv_shlib_version_infix=cygdll
3617 cat >mk_shared_lib.sh <<-CF_EOF
3620 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3623 Linking shared library
3624 ** SHARED_LIB \[$]SHARED_LIB
3625 ** IMPORT_LIB \[$]IMPORT_LIB
3627 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3629 chmod +x mk_shared_lib.sh
3633 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3634 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3635 cf_cv_shlib_version=msysdll
3636 cf_cv_shlib_version_infix=msysdll
3639 cat >mk_shared_lib.sh <<-CF_EOF
3642 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3645 Linking shared library
3646 ** SHARED_LIB \[$]SHARED_LIB
3647 ** IMPORT_LIB \[$]IMPORT_LIB
3649 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3651 chmod +x mk_shared_lib.sh
3654 cf_try_cflags="no-cpp-precomp"
3655 CC_SHARED_OPTS="-dynamic"
3656 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3657 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3658 cf_cv_shlib_version_infix=yes
3659 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3660 cf_save_LDFLAGS=$LDFLAGS
3661 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3662 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3663 LDFLAGS=$cf_save_LDFLAGS])
3664 if test $cf_cv_ldflags_search_paths_first = yes; then
3665 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3669 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3670 if test "$GCC" != yes; then
3673 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3674 INSTALL_LIB="-m 555"
3677 # (tested with gcc 2.7.2 -- I don't have c89)
3678 if test "$GCC" = yes; then
3679 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3682 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3684 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3685 # HP-UX shared libraries must be executable, and should be
3686 # readonly to exploit a quirk in the memory manager.
3687 INSTALL_LIB="-m 555"
3690 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3691 if test "$cf_cv_shlib_version" = rel; then
3692 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3694 cf_shared_soname='`basename $[@]`'
3697 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3700 if test "$cf_cv_enable_rpath" = yes ; then
3701 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3703 # tested with IRIX 5.2 and 'cc'.
3704 if test "$GCC" != yes; then
3705 CC_SHARED_OPTS='-KPIC'
3706 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3708 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3710 cf_cv_rm_so_locs=yes
3712 (linux*|gnu*|k*bsd*-gnu)
3713 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3714 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3715 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3717 if test "$cf_cv_enable_rpath" = yes ; then
3718 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3721 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3724 cf_cv_shlib_version=mingw
3725 cf_cv_shlib_version_infix=mingw
3728 if test "$DFT_LWR_MODEL" = "shared" ; then
3729 LOCAL_LDFLAGS="-link -dll"
3730 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3731 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3734 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh $@ ${LD} ${CFLAGS}'
3735 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3736 cat >mk_shared_lib.sh <<-CF_EOF
3739 IMPORT_LIB=\`echo "\$1" | sed -e 's/[0-9]*\.dll$\.dll.a/'\`
3744 Linking shared library
3745 ** SHARED LIB \$SHARED_LIB
3746 ** IMPORT_LIB \$IMPORT_LIB
3748 args=\$(echo \$* | sed -E "s#-l(\w*)#lib\1.a#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3749 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3750 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3752 chmod +x mk_shared_lib.sh
3755 cf_cv_shlib_version=mingw
3756 cf_cv_shlib_version_infix=mingw
3759 if test "$DFT_LWR_MODEL" = "shared" ; then
3760 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3761 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3762 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3765 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3766 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3767 cat >mk_shared_lib.sh <<-CF_EOF
3770 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3773 Linking shared library
3774 ** SHARED_LIB \[$]SHARED_LIB
3775 ** IMPORT_LIB \[$]IMPORT_LIB
3777 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3779 chmod +x mk_shared_lib.sh
3781 (openbsd[[2-9]].*|mirbsd*)
3782 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3783 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3784 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3786 if test "$cf_cv_enable_rpath" = yes ; then
3787 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3789 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3791 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3793 (nto-qnx*|openbsd*|freebsd[[12]].*)
3794 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3795 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3796 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3798 (dragonfly*|freebsd*)
3799 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3800 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3801 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3802 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3803 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3806 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3809 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3810 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3811 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3812 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3813 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3814 if test "$cf_cv_shlib_version" = auto; then
3815 if test -f /usr/libexec/ld.elf_so; then
3816 cf_cv_shlib_version=abi
3818 cf_cv_shlib_version=rel
3822 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3824 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
3828 # tested with OSF/1 V3.2 and 'cc'
3829 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3830 # link with shared libs).
3831 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3834 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3837 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3838 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3839 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3840 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3842 cf_cv_rm_so_locs=yes
3844 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3845 # tested with osr5.0.5
3846 if test "$GCC" != yes; then
3847 CC_SHARED_OPTS='-belf -KPIC'
3849 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3850 if test "$cf_cv_enable_rpath" = yes ; then
3851 # only way is to set LD_RUN_PATH but no switch for it
3854 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3855 LINK_PROGS='LD_RUN_PATH=${libdir}'
3856 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3859 # tested with SunOS 4.1.1 and gcc 2.7.0
3860 if test "$GCC" != yes; then
3861 CC_SHARED_OPTS='-KPIC'
3863 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
3864 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3867 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3868 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3869 if test "$DFT_LWR_MODEL" = "shared" ; then
3870 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3871 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3873 if test "$cf_cv_enable_rpath" = yes ; then
3874 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3877 if test "$GCC" != yes; then
3878 cf_save_CFLAGS="$CFLAGS"
3879 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3881 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3882 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3884 CFLAGS="$cf_save_CFLAGS"
3885 CC_SHARED_OPTS=$cf_shared_opts
3886 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3888 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3891 (sysv5uw7*|unix_sv*)
3892 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3893 if test "$GCC" != yes; then
3894 CC_SHARED_OPTS='-KPIC'
3896 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
3899 CC_SHARED_OPTS='unknown'
3900 MK_SHARED_LIB='echo unknown'
3904 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3905 case "$cf_cv_shlib_version" in
3907 case "$MK_SHARED_LIB" in
3909 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3912 AC_MSG_WARN(ignored --with-shlib-version)
3918 if test -n "$cf_try_cflags"
3920 cat > conftest.$ac_ext <<EOF
3921 #line __oline__ "${as_me:-configure}"
3923 int main(int argc, char *argv[[]])
3926 return (argv[[argc-1]] == 0) ;
3929 cf_save_CFLAGS="$CFLAGS"
3930 for cf_opt in $cf_try_cflags
3932 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3933 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3934 if AC_TRY_EVAL(ac_compile); then
3936 cf_save_CFLAGS="$CFLAGS"
3941 CFLAGS="$cf_save_CFLAGS"
3945 # RPATH_LIST is a colon-separated list of directories
3946 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3947 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3949 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3951 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3952 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3954 AC_SUBST(CC_SHARED_OPTS)
3955 AC_SUBST(LD_RPATH_OPT)
3956 AC_SUBST(LD_SHARED_OPTS)
3957 AC_SUBST(MK_SHARED_LIB)
3958 AC_SUBST(RM_SHARED_OPTS)
3960 AC_SUBST(LINK_PROGS)
3961 AC_SUBST(LINK_TESTS)
3963 AC_SUBST(EXTRA_LDFLAGS)
3964 AC_SUBST(LOCAL_LDFLAGS)
3965 AC_SUBST(LOCAL_LDFLAGS2)
3967 AC_SUBST(INSTALL_LIB)
3968 AC_SUBST(RPATH_LIST)
3970 dnl ---------------------------------------------------------------------------
3971 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3972 dnl ----------------
3973 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3974 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3977 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3978 dnl If missing, use "rel".
3979 define([CF_SHARED_SONAME],
3981 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3982 if test "$cf_cv_shlib_version" = rel; then
3983 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3985 cf_cv_shared_soname='`basename $[@]`'
3988 dnl ---------------------------------------------------------------------------
3989 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3991 dnl Remove "-g" option from the compiler options
3992 AC_DEFUN([CF_STRIP_G_OPT],
3993 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3994 dnl ---------------------------------------------------------------------------
3995 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3997 dnl Construct a search-list for a nonstandard header/lib-file
3998 dnl $1 = the variable to return as result
3999 dnl $2 = the package name
4000 dnl $3 = the subdirectory, e.g., bin, include or lib
4001 AC_DEFUN([CF_SUBDIR_PATH],
4005 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4007 for cf_subdir_prefix in \
4015 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4018 dnl ---------------------------------------------------------------------------
4019 dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
4021 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4022 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4023 dnl but some packagers change this, breaking various applications.
4024 AC_DEFUN([CF_TERM_HEADER],[
4025 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4026 case ${cf_cv_ncurses_header} in
4027 (*/ncurses.h|*/ncursesw.h)
4028 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4031 cf_term_header=term.h
4035 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4037 AC_TRY_COMPILE([#include <stdio.h>
4038 #include <${cf_cv_ncurses_header:-curses.h}>
4040 ],[int x = auto_left_margin; (void)x],[
4041 cf_cv_term_header="$cf_test"],[
4042 cf_cv_term_header=unknown
4044 test "$cf_cv_term_header" != unknown && break
4048 # Set definitions to allow ifdef'ing to accommodate subdirectories
4050 case $cf_cv_term_header in
4052 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4056 case $cf_cv_term_header in
4058 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4061 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4065 dnl ---------------------------------------------------------------------------
4066 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4068 dnl Define a top_builddir symbol, for applications that need an absolute path.
4069 AC_DEFUN([CF_TOP_BUILDDIR],
4071 top_builddir=ifelse($1,,`pwd`,$1)
4072 AC_SUBST(top_builddir)
4074 dnl ---------------------------------------------------------------------------
4075 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4076 dnl -------------------
4077 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4078 dnl can define it successfully.
4079 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4080 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4084 #include <sys/types.h>
4086 #ifndef _XOPEN_SOURCE
4089 [cf_cv_xopen_source=no],
4090 [cf_save="$CPPFLAGS"
4091 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4095 #include <sys/types.h>
4097 #ifdef _XOPEN_SOURCE
4100 [cf_cv_xopen_source=no],
4101 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4106 if test "$cf_cv_xopen_source" != no ; then
4107 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4108 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4109 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4110 CF_ADD_CFLAGS($cf_temp_xopen_source)
4113 dnl ---------------------------------------------------------------------------
4114 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4116 dnl Make an uppercase version of a variable
4117 dnl $1=uppercase($2)
4118 AC_DEFUN([CF_UPPER],
4120 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4122 dnl ---------------------------------------------------------------------------
4123 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4125 dnl Check for multibyte support, and if not found, utf8 compatibility library
4126 AC_DEFUN([CF_UTF8_LIB],
4128 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4129 cf_save_LIBS="$LIBS"
4131 #include <stdlib.h>],[putwc(0,0);],
4132 [cf_cv_utf8_lib=yes],
4134 #include <libutf8.h>],[putwc(0,0);],utf8,
4135 [cf_cv_utf8_lib=add-on],
4136 [cf_cv_utf8_lib=no])
4139 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4141 if test "$cf_cv_utf8_lib" = "add-on" ; then
4142 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4143 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4144 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4145 CF_ADD_LIBS($cf_cv_library_file_utf8)
4148 dnl ---------------------------------------------------------------------------
4149 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4151 dnl Use AC_VERBOSE w/o the warnings
4152 AC_DEFUN([CF_VERBOSE],
4153 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4156 dnl ---------------------------------------------------------------------------
4157 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4159 dnl Check for compiler-support for weak symbols.
4160 dnl This works with "recent" gcc.
4161 AC_DEFUN([CF_WEAK_SYMBOLS],[
4162 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4165 #include <stdio.h>],
4167 #if defined(__GNUC__)
4168 # if defined __USE_ISOC99
4169 # define _cat_pragma(exp) _Pragma(#exp)
4170 # define _weak_pragma(exp) _cat_pragma(weak name)
4172 # define _weak_pragma(exp)
4174 # define _declare(name) __extension__ extern __typeof__(name) name
4175 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4179 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4182 dnl ---------------------------------------------------------------------------
4183 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4184 dnl --------------------
4185 dnl Command-line option to specify the Ada95 compiler.
4186 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4187 AC_MSG_CHECKING(for ada-compiler)
4188 AC_ARG_WITH(ada-compiler,
4189 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4190 [cf_ada_compiler=$withval],
4191 [cf_ada_compiler=gnatmake])
4192 AC_SUBST(cf_ada_compiler)
4193 AC_MSG_RESULT($cf_ada_compiler)
4195 dnl ---------------------------------------------------------------------------
4196 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4197 dnl -------------------
4198 dnl Command-line option to specify where Ada includes will install.
4199 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4200 AC_MSG_CHECKING(for ada-include)
4201 CF_WITH_PATH(ada-include,
4202 [ --with-ada-include=DIR Ada includes are in DIR],
4204 PREFIX/share/ada/adainclude,
4205 [$]prefix/share/ada/adainclude)
4206 AC_SUBST(ADA_INCLUDE)
4207 AC_MSG_RESULT($ADA_INCLUDE)
4209 dnl ---------------------------------------------------------------------------
4210 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4211 dnl -------------------
4212 dnl CF_WITH_ADA_LIBNAME
4213 dnl -------------------
4214 dnl Command-line option to specify how to name the resulting Ada library.
4215 dnl $1 = default value
4216 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4217 AC_MSG_CHECKING(for ada-libname)
4218 AC_ARG_WITH(ada-libname,
4219 [ --with-ada-libname=XXX override default Ada library-name],
4220 ADA_LIBNAME=[$]withval,
4222 case "x$ADA_LIBNAME" in
4227 AC_SUBST(ADA_LIBNAME)
4228 AC_MSG_RESULT($ADA_LIBNAME)
4230 dnl ---------------------------------------------------------------------------
4231 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4232 dnl -------------------
4233 dnl Command-line option to specify where Ada objects will install.
4234 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4235 AC_MSG_CHECKING(for ada-objects)
4236 CF_WITH_PATH(ada-objects,
4237 [ --with-ada-objects=DIR Ada objects are in DIR],
4239 PREFIX/lib/ada/adalib,
4240 [$]prefix/lib/ada/adalib)
4241 AC_SUBST(ADA_OBJECTS)
4242 AC_MSG_RESULT($ADA_OBJECTS)
4244 dnl ---------------------------------------------------------------------------
4245 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4246 dnl ---------------------
4247 dnl Command-line option to specify if an Ada95 shared-library should be built,
4248 dnl and optionally what its soname should be.
4249 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4250 AC_REQUIRE([CF_GNAT_PROJECTS])
4251 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4252 AC_ARG_WITH(ada-sharedlib,
4253 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4254 [with_ada_sharedlib=$withval],
4255 [with_ada_sharedlib=no])
4256 AC_MSG_RESULT($with_ada_sharedlib)
4258 if test "x$with_ada_sharedlib" != xno
4260 if test "x$cf_gnat_projects" != xyes
4262 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4263 with_ada_sharedlib=no
4267 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4268 MAKE_ADA_SHAREDLIB="#"
4270 if test "x$with_ada_sharedlib" != xno
4273 if test "x$with_ada_sharedlib" != xyes
4275 ADA_SHAREDLIB="$with_ada_sharedlib"
4279 AC_SUBST(ADA_SHAREDLIB)
4280 AC_SUBST(MAKE_ADA_SHAREDLIB)
4282 dnl ---------------------------------------------------------------------------
4283 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
4284 dnl ------------------
4285 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4287 AC_DEFUN([CF_WITH_CURSES_DIR],[
4289 AC_MSG_CHECKING(for specific curses-directory)
4290 AC_ARG_WITH(curses-dir,
4291 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4292 [cf_cv_curses_dir=$withval],
4293 [cf_cv_curses_dir=no])
4294 AC_MSG_RESULT($cf_cv_curses_dir)
4296 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
4298 CF_PATH_SYNTAX(withval)
4299 if test -d "$cf_cv_curses_dir"
4301 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4302 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4306 dnl ---------------------------------------------------------------------------
4307 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4308 dnl ------------------
4309 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4310 dnl "lib" prefix, e.g., because it used the dll naming convention.
4312 dnl $1 = variable to set
4313 AC_DEFUN([CF_WITH_LIB_PREFIX],
4315 AC_MSG_CHECKING(if you want to have a library-prefix)
4316 AC_ARG_WITH(lib-prefix,
4317 [ --with-lib-prefix override library-prefix],
4318 [with_lib_prefix=$withval],
4319 [with_lib_prefix=auto])
4320 AC_MSG_RESULT($with_lib_prefix)
4322 if test $with_lib_prefix = auto
4325 elif test $with_lib_prefix = no
4329 LIB_PREFIX=$with_lib_prefix
4332 dnl ---------------------------------------------------------------------------
4333 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4335 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4336 dnl defaulting to yes/no.
4338 dnl $1 = option name
4340 dnl $3 = environment variable to set
4341 dnl $4 = default value, shown in the help-message, must be a constant
4342 dnl $5 = default value, if it's an expression & cannot be in the help-message
4344 AC_DEFUN([CF_WITH_PATH],
4345 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4346 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4347 if ifelse([$5],,true,[test -n "$5"]) ; then
4348 CF_PATH_SYNTAX(withval)
4353 dnl ---------------------------------------------------------------------------
4354 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4355 dnl -------------------------
4356 dnl Allow the choice of the pkg-config library directory to be overridden.
4357 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4361 AC_MSG_CHECKING(for pkg-config library directory)
4364 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4368 PKG_CONFIG_LIBDIR=no
4369 AC_ARG_WITH(pkg-config-libdir,
4370 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4371 [PKG_CONFIG_LIBDIR=$withval],
4372 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4374 case x$PKG_CONFIG_LIBDIR in
4378 # Look for the library directory using the same prefix as the executable
4379 if test "x$PKG_CONFIG" = xnone
4383 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4386 # If you don't like using the default architecture, you have to specify the
4387 # intended library directory and corresponding compiler/linker options.
4389 # This case allows for Debian's 2014-flavor of multiarch, along with the
4390 # most common variations before that point. Some other variants spell the
4391 # directory differently, e.g., "pkg-config", and put it in unusual places.
4392 # pkg-config has always been poorly standardized, which is ironic...
4393 case x`(arch) 2>/dev/null` in
4396 $cf_path/lib/*64-linux-gnu \
4404 $cf_path/lib/*-linux-gnu \
4413 for cf_config in $cf_search_path
4415 CF_VERBOSE(checking $cf_config/pkgconfig)
4416 if test -d $cf_config/pkgconfig
4418 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4419 AC_MSG_CHECKING(done)
4428 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4429 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4432 AC_SUBST(PKG_CONFIG_LIBDIR)
4434 dnl ---------------------------------------------------------------------------
4435 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4437 dnl Check for POSIX thread library.
4438 AC_DEFUN([CF_WITH_PTHREAD],
4440 AC_MSG_CHECKING(if you want to link with the pthread library)
4441 AC_ARG_WITH(pthread,
4442 [ --with-pthread use POSIX thread library],
4443 [with_pthread=$withval],
4445 AC_MSG_RESULT($with_pthread)
4447 if test "$with_pthread" != no ; then
4448 AC_CHECK_HEADER(pthread.h,[
4449 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4451 for cf_lib_pthread in pthread c_r
4453 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4454 cf_save_LIBS="$LIBS"
4455 CF_ADD_LIB($cf_lib_pthread)
4457 #include <pthread.h>
4459 int rc = pthread_create(0,0,0,0);
4460 int r2 = pthread_mutexattr_settype(0, 0);
4461 ],[with_pthread=yes],[with_pthread=no])
4462 LIBS="$cf_save_LIBS"
4463 AC_MSG_RESULT($with_pthread)
4464 test "$with_pthread" = yes && break
4467 if test "$with_pthread" = yes ; then
4468 CF_ADD_LIB($cf_lib_pthread)
4469 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4471 AC_MSG_ERROR(Cannot link with pthread library)
4476 dnl ---------------------------------------------------------------------------
4477 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4479 dnl For testing, override the derived host system-type which is used to decide
4480 dnl things such as the linker commands used to build shared libraries. This is
4481 dnl normally chosen automatically based on the type of system which you are
4482 dnl building on. We use it for testing the configure script.
4484 dnl This is different from the --host option: it is used only for testing parts
4485 dnl of the configure script which would not be reachable with --host since that
4486 dnl relies on the build environment being real, rather than mocked up.
4487 AC_DEFUN([CF_WITH_SYSTYPE],[
4488 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4489 AC_ARG_WITH(system-type,
4490 [ --with-system-type=XXX test: override derived host system-type],
4491 [AC_MSG_WARN(overriding system type to $withval)
4492 cf_cv_system_name=$withval
4496 dnl ---------------------------------------------------------------------------
4497 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4499 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4500 dnl or adapt to the vendor's definitions to get equivalent functionality,
4501 dnl without losing the common non-POSIX features.
4504 dnl $1 is the nominal value for _XOPEN_SOURCE
4505 dnl $2 is the nominal value for _POSIX_C_SOURCE
4506 AC_DEFUN([CF_XOPEN_SOURCE],[
4507 AC_REQUIRE([AC_CANONICAL_HOST])
4508 AC_REQUIRE([CF_POSIX_VISIBLE])
4510 if test "$cf_cv_posix_visible" = no; then
4512 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4513 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4518 cf_xopen_source="-D_ALL_SOURCE"
4524 cf_xopen_source="-D_APPLE_C_SOURCE"
4527 cf_xopen_source="-D_DARWIN_C_SOURCE"
4530 (freebsd*|dragonfly*|midnightbsd*)
4531 # 5.x headers associate
4532 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4533 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4534 cf_POSIX_C_SOURCE=200112L
4536 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4539 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4542 cf_xopen_source="-D_HPUX_SOURCE"
4545 cf_xopen_source="-D_SGI_SOURCE"
4548 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4549 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4552 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4555 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4557 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4560 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4563 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4564 cf_xopen_source="-D_BSD_SOURCE"
4568 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4571 cf_xopen_source="-D_OSF_SOURCE"
4574 cf_xopen_source="-D_QNX_SOURCE"
4577 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4580 cf_xopen_source="-D__EXTENSIONS__"
4581 cf_cv_xopen_source=broken
4583 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4589 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4593 if test -n "$cf_xopen_source" ; then
4594 CF_ADD_CFLAGS($cf_xopen_source,true)
4597 dnl In anything but the default case, we may have system-specific setting
4598 dnl which is still not guaranteed to provide all of the entrypoints that
4599 dnl _XOPEN_SOURCE would yield.
4600 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4601 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4602 AC_TRY_COMPILE([#include <stdlib.h>],[
4603 #ifndef _XOPEN_SOURCE
4606 [cf_XOPEN_SOURCE_set=yes],
4607 [cf_XOPEN_SOURCE_set=no])
4608 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4609 if test $cf_XOPEN_SOURCE_set = yes
4611 AC_TRY_COMPILE([#include <stdlib.h>],[
4612 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4615 [cf_XOPEN_SOURCE_set_ok=yes],
4616 [cf_XOPEN_SOURCE_set_ok=no])
4617 if test $cf_XOPEN_SOURCE_set_ok = no
4619 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4625 fi # cf_cv_posix_visible