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 1.166 2020/11/26 22:37:55 tom Exp $
33 dnl Macros used in NCURSES Ada95 auto-configuration script.
35 dnl These macros are maintained separately from NCURSES. The copyright on
36 dnl this file applies to the aggregation of macros and does not affect use of
37 dnl these macros in other applications.
39 dnl See these pages for additional information:
40 dnl https://invisible-island.net/autoconf/
41 dnl https://invisible-island.net/autoconf/my-autoconf.html
43 dnl ---------------------------------------------------------------------------
44 dnl ---------------------------------------------------------------------------
45 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
46 dnl ------------------
47 dnl Conditionally generate script according to whether we're using a given autoconf.
49 dnl $1 = version to compare against
50 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
51 dnl $3 = code to use if AC_ACVERSION is older than $1.
52 define([CF_ACVERSION_CHECK],
54 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
55 ifdef([m4_version_compare],
56 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
57 [CF_ACVERSION_COMPARE(
58 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
59 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
60 dnl ---------------------------------------------------------------------------
61 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
62 dnl --------------------
63 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
64 dnl MAJOR2, MINOR2, TERNARY2,
65 dnl PRINTABLE2, not FOUND, FOUND)
66 define([CF_ACVERSION_COMPARE],
67 [ifelse(builtin([eval], [$2 < $5]), 1,
68 [ifelse([$8], , ,[$8])],
69 [ifelse([$9], , ,[$9])])])dnl
70 dnl ---------------------------------------------------------------------------
71 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
72 dnl -------------------
73 dnl Construct the list of include-options for the C programs in the Ada95
75 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
77 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
78 if test "$srcdir" != "."; then
79 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
81 if test "$GCC" != yes; then
82 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
83 elif test "$includedir" != "/usr/include"; then
84 if test "$includedir" = '${prefix}/include' ; then
85 if test x$prefix != x/usr ; then
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
89 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
94 dnl ---------------------------------------------------------------------------
95 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
97 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
98 AC_DEFUN([CF_ADD_ADAFLAGS],[
99 ADAFLAGS="$ADAFLAGS $1"
102 dnl ---------------------------------------------------------------------------
103 dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13
105 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
106 dnl $1 = flags to add
107 dnl $2 = if given makes this macro verbose.
109 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
110 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
111 dnl confused by the quotes (which require backslashes to keep them usable).
112 AC_DEFUN([CF_ADD_CFLAGS],
117 cf_new_extra_cppflags=
119 for cf_add_cflags in $1
121 case $cf_fix_cppflags in
123 case $cf_add_cflags in
124 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
125 case $cf_add_cflags in
127 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
129 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
130 && test -z "${cf_tst_cflags}" \
131 && cf_fix_cppflags=yes
133 if test $cf_fix_cppflags = yes ; then
134 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
136 elif test "${cf_tst_cflags}" = "\"'" ; then
137 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
146 case $cf_add_cflags in
148 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
149 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
152 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
157 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
162 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
164 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
166 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
167 && test -z "${cf_tst_cflags}" \
168 && cf_fix_cppflags=no
173 if test -n "$cf_new_cflags" ; then
174 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
175 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
178 if test -n "$cf_new_cppflags" ; then
179 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
180 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
183 if test -n "$cf_new_extra_cppflags" ; then
184 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
185 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
188 AC_SUBST(EXTRA_CPPFLAGS)
191 dnl ---------------------------------------------------------------------------
192 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
194 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
195 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
196 dnl but old versions (and some misinstalled ones) need that. To make things
197 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
198 dnl the include-path).
199 AC_DEFUN([CF_ADD_INCDIR],
201 if test -n "$1" ; then
202 for cf_add_incdir in $1
204 while test $cf_add_incdir != /usr/include
206 if test -d $cf_add_incdir
209 if test -n "$CFLAGS$CPPFLAGS" ; then
210 # a loop is needed to ensure we can add subdirs of existing dirs
211 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
212 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
213 cf_have_incdir=yes; break
218 if test "$cf_have_incdir" = no ; then
219 if test "$cf_add_incdir" = /usr/local/include ; then
222 cf_save_CPPFLAGS=$CPPFLAGS
223 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
224 AC_TRY_COMPILE([#include <stdio.h>],
227 [cf_have_incdir=yes])
228 CPPFLAGS=$cf_save_CPPFLAGS
233 if test "$cf_have_incdir" = no ; then
234 CF_VERBOSE(adding $cf_add_incdir to include-path)
235 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
237 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
238 test "$cf_top_incdir" = "$cf_add_incdir" && break
239 cf_add_incdir="$cf_top_incdir"
250 dnl ---------------------------------------------------------------------------
251 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
253 dnl Add a library, used to enforce consistency.
255 dnl $1 = library to add, without the "-l"
256 dnl $2 = variable to update (default $LIBS)
257 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
258 dnl ---------------------------------------------------------------------------
259 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
261 dnl Adds to the library-path
263 dnl Some machines have trouble with multiple -L options.
265 dnl $1 is the (list of) directory(s) to add
266 dnl $2 is the optional name of the variable to update (default LDFLAGS)
268 AC_DEFUN([CF_ADD_LIBDIR],
270 if test -n "$1" ; then
271 for cf_add_libdir in $1
273 if test $cf_add_libdir = /usr/lib ; then
275 elif test -d $cf_add_libdir
278 if test -n "$LDFLAGS$LIBS" ; then
279 # a loop is needed to ensure we can add subdirs of existing dirs
280 for cf_test_libdir in $LDFLAGS $LIBS ; do
281 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
282 cf_have_libdir=yes; break
286 if test "$cf_have_libdir" = no ; then
287 CF_VERBOSE(adding $cf_add_libdir to library-path)
288 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
294 dnl ---------------------------------------------------------------------------
295 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
297 dnl Add one or more libraries, used to enforce consistency. Libraries are
298 dnl prepended to an existing list, since their dependencies are assumed to
299 dnl already exist in the list.
301 dnl $1 = libraries to add, with the "-l", etc.
302 dnl $2 = variable to update (default $LIBS)
303 AC_DEFUN([CF_ADD_LIBS],[
304 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
307 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
309 for cf_add_1lib in $cf_add_0lib; do
310 for cf_add_2lib in $cf_add_libs; do
311 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
316 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
318 ifelse($2,,LIBS,[$2])="$cf_add_libs"
320 dnl ---------------------------------------------------------------------------
321 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
322 dnl ------------------
323 dnl Append to a search-list for a nonstandard header/lib-file
324 dnl $1 = the variable to return as result
325 dnl $2 = the package name
326 dnl $3 = the subdirectory, e.g., bin, include or lib
327 dnl $4 = the directory under which we will test for subdirectories
328 dnl $5 = a directory that we do not want $4 to match
329 AC_DEFUN([CF_ADD_SUBDIR_PATH],
331 test "x$4" != "x$5" && \
333 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
334 test -n "$verbose" && echo " ... testing for $3-directories under $4"
335 test -d $4/$3 && $1="[$]$1 $4/$3"
336 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
337 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
338 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
339 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
342 dnl ---------------------------------------------------------------------------
343 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
345 dnl use this macro for appending text without introducing an extra blank at
347 define([CF_APPEND_TEXT],
349 test -n "[$]$1" && $1="[$]$1 "
352 dnl ---------------------------------------------------------------------------
353 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
355 dnl Allow user to disable a normally-on option.
356 AC_DEFUN([CF_ARG_DISABLE],
357 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
358 dnl ---------------------------------------------------------------------------
359 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
361 dnl Allow user to enable a normally-off option.
362 AC_DEFUN([CF_ARG_ENABLE],
363 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
364 dnl ---------------------------------------------------------------------------
365 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
367 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
373 dnl $3 = action to perform if option is not default
374 dnl $4 = action if perform if option is default
375 dnl $5 = default option value (either 'yes' or 'no')
376 AC_DEFUN([CF_ARG_OPTION],
377 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
378 if test "$enableval" != "$5" ; then
380 ,[ $3]) ifelse([$4],,,[
383 fi],[enableval=$5 ifelse([$4],,,[
387 dnl ---------------------------------------------------------------------------
388 dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29
390 dnl Check for suitable "ar" (archiver) options for updating an archive.
392 dnl In particular, handle some obsolete cases where the "-" might be omitted,
393 dnl as well as a workaround for breakage of make's archive rules by the GNU
394 dnl binutils "ar" program.
395 AC_DEFUN([CF_AR_FLAGS],[
396 AC_REQUIRE([CF_PROG_AR])
398 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
399 case $cf_cv_system_name in
402 cat >mk_static_lib.sh <<-EOF
407 exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
409 chmod +x mk_static_lib.sh
410 AR=`pwd`/mk_static_lib.sh
413 cf_cv_ar_flags=unknown
414 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
417 # check if $ARFLAGS already contains this choice
418 if test "x$ARFLAGS" != "x" ; then
419 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
420 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
426 rm -f conftest.$ac_cv_objext
429 cat >conftest.$ac_ext <<EOF
430 #line __oline__ "configure"
431 int testdata[[3]] = { 123, 456, 789 };
433 if AC_TRY_EVAL(ac_compile) ; then
434 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
435 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
436 if test -f conftest.a ; then
437 cf_cv_ar_flags=$cf_ar_flags
441 CF_VERBOSE(cannot compile test-program)
445 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
450 if test -n "$ARFLAGS" ; then
451 if test -n "$cf_cv_ar_flags" ; then
452 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
455 ARFLAGS=$cf_cv_ar_flags
460 dnl ---------------------------------------------------------------------------
461 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
463 dnl If we're cross-compiling, allow the user to override the tools and their
464 dnl options. The configure script is oriented toward identifying the host
465 dnl compiler, etc., but we need a build compiler to generate parts of the
468 dnl $1 = default for $CPPFLAGS
469 dnl $2 = default for $LIBS
470 AC_DEFUN([CF_BUILD_CC],[
471 CF_ACVERSION_CHECK(2.52,,
472 [AC_REQUIRE([CF_PROG_EXT])])
473 if test "$cross_compiling" = yes ; then
475 # defaults that we might want to override
476 : ${BUILD_CFLAGS:=''}
477 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
478 : ${BUILD_LDFLAGS:=''}
479 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
480 : ${BUILD_EXEEXT:='$x'}
481 : ${BUILD_OBJEXT:='o'}
483 AC_ARG_WITH(build-cc,
484 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
485 [BUILD_CC="$withval"],
486 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
487 AC_MSG_CHECKING(for native build C compiler)
488 AC_MSG_RESULT($BUILD_CC)
490 AC_MSG_CHECKING(for native build C preprocessor)
491 AC_ARG_WITH(build-cpp,
492 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
493 [BUILD_CPP="$withval"],
494 [BUILD_CPP='${BUILD_CC} -E'])
495 AC_MSG_RESULT($BUILD_CPP)
497 AC_MSG_CHECKING(for native build C flags)
498 AC_ARG_WITH(build-cflags,
499 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
500 [BUILD_CFLAGS="$withval"])
501 AC_MSG_RESULT($BUILD_CFLAGS)
503 AC_MSG_CHECKING(for native build C preprocessor-flags)
504 AC_ARG_WITH(build-cppflags,
505 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
506 [BUILD_CPPFLAGS="$withval"])
507 AC_MSG_RESULT($BUILD_CPPFLAGS)
509 AC_MSG_CHECKING(for native build linker-flags)
510 AC_ARG_WITH(build-ldflags,
511 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
512 [BUILD_LDFLAGS="$withval"])
513 AC_MSG_RESULT($BUILD_LDFLAGS)
515 AC_MSG_CHECKING(for native build linker-libraries)
516 AC_ARG_WITH(build-libs,
517 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
518 [BUILD_LIBS="$withval"])
519 AC_MSG_RESULT($BUILD_LIBS)
521 # this assumes we're on Unix.
525 : ${BUILD_CC:='${CC}'}
527 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
528 AC_MSG_ERROR([Cross-build requires two compilers.
529 Use --with-build-cc to specify the native compiler.])
533 : ${BUILD_CC:='${CC}'}
534 : ${BUILD_CPP:='${CPP}'}
535 : ${BUILD_CFLAGS:='${CFLAGS}'}
536 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
537 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
538 : ${BUILD_LIBS:='${LIBS}'}
539 : ${BUILD_EXEEXT:='$x'}
540 : ${BUILD_OBJEXT:='o'}
545 AC_SUBST(BUILD_CFLAGS)
546 AC_SUBST(BUILD_CPPFLAGS)
547 AC_SUBST(BUILD_LDFLAGS)
549 AC_SUBST(BUILD_EXEEXT)
550 AC_SUBST(BUILD_OBJEXT)
552 dnl ---------------------------------------------------------------------------
553 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
555 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
556 dnl into CC. This will not help with broken scripts that wrap the compiler
557 dnl with options, but eliminates a more common category of user confusion.
559 dnl In particular, it addresses the problem of being able to run the C
560 dnl preprocessor in a consistent manner.
562 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
563 dnl the nuisance of having inconsistent settings for compiler and preprocessor
564 dnl outweighs that limitation.
565 AC_DEFUN([CF_CC_ENV_FLAGS],
567 # This should have been defined by AC_PROG_CC
570 AC_MSG_CHECKING(\$CFLAGS variable)
573 AC_MSG_RESULT(broken)
574 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
577 for cf_arg in $cf_flags
579 CF_ADD_CFLAGS($cf_arg)
587 AC_MSG_CHECKING(\$CC variable)
590 AC_MSG_RESULT(broken)
591 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
593 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
594 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
596 for cf_arg in $cf_flags
600 CF_ADD_CFLAGS($cf_arg)
607 CF_VERBOSE(resulting CC: '$CC')
608 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
609 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
616 dnl ---------------------------------------------------------------------------
617 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
619 dnl Determine the default configuration into which we'll install ncurses. This
620 dnl can be overridden by the user's command-line options. There's two items to
622 dnl 1. the prefix (e.g., /usr)
623 dnl 2. the header files (e.g., /usr/include/ncurses)
624 dnl We'll look for a previous installation of ncurses and use the same defaults.
626 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
627 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
628 dnl programs from a vendor's.
629 AC_DEFUN([CF_CFG_DEFAULTS],
631 AC_MSG_CHECKING(for prefix)
632 if test "x$prefix" = "xNONE" ; then
633 case "$cf_cv_system_name" in
634 # non-vendor systems don't have a conflict
635 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
638 (*) prefix=$ac_default_prefix
642 AC_MSG_RESULT($prefix)
644 if test "x$prefix" = "xNONE" ; then
645 AC_MSG_CHECKING(for default include-directory)
646 test -n "$verbose" && echo 1>&AC_FD_MSG
649 $includedir/ncurses \
651 $prefix/include/ncurses \
653 /usr/local/include/ncurses \
657 cf_dir=`eval echo $cf_symbol`
658 if test -f $cf_dir/curses.h ; then
659 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
660 includedir="$cf_symbol"
661 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
665 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
667 AC_MSG_RESULT($includedir)
670 dnl ---------------------------------------------------------------------------
671 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
673 dnl Check if we're accidentally using a cache from a different machine.
674 dnl Derive the system name, as a check for reusing the autoconf cache.
676 dnl If we've packaged config.guess and config.sub, run that (since it does a
677 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
678 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
679 dnl which is useful in cross-compiles.
681 dnl Note: we would use $ac_config_sub, but that is one of the places where
682 dnl autoconf 2.5x broke compatibility with autoconf 2.13
683 AC_DEFUN([CF_CHECK_CACHE],
685 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
686 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
687 system_name="$host_os"
689 system_name="`(uname -s -r) 2>/dev/null`"
690 if test -z "$system_name" ; then
691 system_name="`(hostname) 2>/dev/null`"
694 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
695 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
697 test -z "$system_name" && system_name="$cf_cv_system_name"
698 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
700 if test ".$system_name" != ".$cf_cv_system_name" ; then
701 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
702 AC_MSG_ERROR("Please remove config.cache and try again.")
705 dnl ---------------------------------------------------------------------------
706 dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36
707 dnl ---------------------
708 AC_DEFUN([CF_CHECK_GNAT_VERSION],
710 AC_REQUIRE([CF_GNAT_VERSION])
711 case $cf_cv_gnat_version in
712 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
713 cf_cv_prog_gnat_correct=yes
716 AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
717 cf_cv_prog_gnat_correct=no
721 dnl ---------------------------------------------------------------------------
722 dnl CF_CLANG_COMPILER version: 6 updated: 2020/11/26 17:37:55
723 dnl -----------------
724 dnl Check if the given compiler is really clang. clang's C driver defines
725 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
726 dnl not ignore some gcc options.
728 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
729 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
730 dnl the wrappers for gcc and g++ warnings.
732 dnl $1 = GCC (default) or GXX
733 dnl $2 = CLANG_COMPILER (default)
734 dnl $3 = CFLAGS (default) or CXXFLAGS
735 AC_DEFUN([CF_CLANG_COMPILER],[
736 ifelse([$2],,CLANG_COMPILER,[$2])=no
738 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
739 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
740 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
746 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
748 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
749 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
754 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
756 (c[[1-9]][[0-9]]|*/c[[1-9]][[0-9]])
757 AC_MSG_WARN(replacing broken compiler alias $CC)
758 CFLAGS="$CFLAGS -std=`echo "$CC" | sed -e 's%.*/%%'`"
763 AC_MSG_CHECKING(version of $CC)
764 CLANG_VERSION="`$CC --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(CLANG[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
765 test -z "$CLANG_VERSION" && CLANG_VERSION=unknown
766 AC_MSG_RESULT($CLANG_VERSION)
768 for cf_clang_opt in \
770 -Wno-error=implicit-function-declaration
772 AC_MSG_CHECKING(if option $cf_clang_opt works)
773 cf_save_CFLAGS="$CFLAGS"
774 CFLAGS="$CFLAGS $cf_clang_opt"
776 #include <stdio.h>],[
777 printf("hello!\n");],[
778 cf_clang_optok=yes],[
780 AC_MSG_RESULT($cf_clang_optok)
781 CFLAGS="$cf_save_CFLAGS"
782 if test $cf_clang_optok = yes; then
783 CF_VERBOSE(adding option $cf_clang_opt)
784 CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
789 dnl ---------------------------------------------------------------------------
790 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
791 dnl -----------------
792 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
793 dnl character-strings.
795 dnl It is ambiguous because the specification accommodated the pre-ANSI
796 dnl compilers bundled by more than one vendor in lieu of providing a standard C
797 dnl compiler other than by costly add-ons. Because of this, the specification
798 dnl did not take into account the use of const for telling the compiler that
799 dnl string literals would be in readonly memory.
801 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
802 dnl let the compiler decide how to represent Xt's strings which were #define'd.
803 dnl That does not solve the problem of using the block of Xt's strings which
804 dnl are compiled into the library (and is less efficient than one might want).
806 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
807 dnl when compiling the library and compiling using the library, to tell the
808 dnl compiler that String is const.
809 AC_DEFUN([CF_CONST_X_STRING],
811 AC_REQUIRE([AC_PATH_XTRA])
813 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
818 #include <X11/Intrinsic.h>
820 [String foo = malloc(1); (void)foo],[
822 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
825 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
826 #undef XTSTRINGDEFINES /* X11R5 and later */
828 #include <X11/Intrinsic.h>
829 ],[String foo = malloc(1); *foo = 0],[
830 cf_cv_const_x_string=no
832 cf_cv_const_x_string=yes
836 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
838 case $cf_cv_const_x_string in
840 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
843 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
849 dnl ---------------------------------------------------------------------------
850 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
851 dnl -----------------
852 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
853 dnl character-strings.
855 dnl It is ambiguous because the specification accommodated the pre-ANSI
856 dnl compilers bundled by more than one vendor in lieu of providing a standard C
857 dnl compiler other than by costly add-ons. Because of this, the specification
858 dnl did not take into account the use of const for telling the compiler that
859 dnl string literals would be in readonly memory.
861 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
862 dnl let the compiler decide how to represent Xt's strings which were #define'd.
863 dnl That does not solve the problem of using the block of Xt's strings which
864 dnl are compiled into the library (and is less efficient than one might want).
866 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
867 dnl when compiling the library and compiling using the library, to tell the
868 dnl compiler that String is const.
869 AC_DEFUN([CF_CONST_X_STRING],
871 AC_REQUIRE([AC_PATH_XTRA])
873 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
878 #include <X11/Intrinsic.h>
880 [String foo = malloc(1); (void)foo],[
882 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
885 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
886 #undef XTSTRINGDEFINES /* X11R5 and later */
888 #include <X11/Intrinsic.h>
889 ],[String foo = malloc(1); *foo = 0],[
890 cf_cv_const_x_string=no
892 cf_cv_const_x_string=yes
896 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
898 case $cf_cv_const_x_string in
900 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
903 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
909 dnl ---------------------------------------------------------------------------
910 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
912 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
913 dnl variations of ncurses' installs.
915 dnl $1 = ncurses when looking for ncurses, or is empty
916 AC_DEFUN([CF_CURSES_HEADER],[
917 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
918 cf_cv_ncurses_header=none
920 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
921 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
923 AC_TRY_COMPILE([#include <${cf_header}>],
924 [initscr(); tgoto("?", 0,0)],
925 [cf_cv_ncurses_header=$cf_header; break],[])
929 if test "$cf_cv_ncurses_header" = none ; then
930 AC_MSG_ERROR(No curses header-files found)
933 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
934 AC_CHECK_HEADERS($cf_cv_ncurses_header)
936 dnl ---------------------------------------------------------------------------
937 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
939 dnl "dirname" is not portable, so we fake it with a shell script.
940 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
941 dnl ---------------------------------------------------------------------------
942 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
944 dnl You can always use "make -n" to see the actual options, but it's hard to
945 dnl pick out/analyze warning messages when the compile-line is long.
948 dnl ECHO_LT - symbol to control if libtool is verbose
949 dnl ECHO_LD - symbol to prefix "cc -o" lines
950 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
951 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
952 dnl ECHO_CC - symbol to put before any "cc" line
954 AC_DEFUN([CF_DISABLE_ECHO],[
955 AC_MSG_CHECKING(if you want to see long compiling messages)
957 [ --disable-echo do not display "compiling" commands],
960 ECHO_LD='@echo linking [$]@;'
961 RULE_CC='@echo compiling [$]<'
962 SHOW_CC='@echo compiling [$]@'
971 AC_MSG_RESULT($enableval)
978 dnl ---------------------------------------------------------------------------
979 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
980 dnl ------------------------
981 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
982 AC_MSG_CHECKING(if we want to use GNAT projects)
983 CF_ARG_DISABLE(gnat-projects,
984 [ --disable-gnat-projects test: disable GNAT projects even if usable],
985 [enable_gnat_projects=no],
986 [enable_gnat_projects=yes])
987 AC_MSG_RESULT($enable_gnat_projects)
989 dnl ---------------------------------------------------------------------------
990 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
991 dnl -----------------------
992 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
993 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
994 dnl an unconditional feature.
995 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
997 AC_MSG_CHECKING(if you want broken-linker support code)
998 AC_ARG_ENABLE(broken_linker,
999 [ --enable-broken_linker compile with broken-linker support code],
1000 [with_broken_linker=$enableval],
1001 [with_broken_linker=no])
1002 AC_MSG_RESULT($with_broken_linker)
1004 : ${BROKEN_LINKER:=0}
1005 if test "x$with_broken_linker" = xyes ; then
1006 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1009 AC_SUBST(BROKEN_LINKER)
1011 dnl ---------------------------------------------------------------------------
1012 dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
1013 dnl ------------------
1014 dnl Configure-option to enable gcc warnings
1016 dnl $1 = extra options to add, if supported
1017 dnl $2 = option for checking attributes. By default, this is done when
1018 dnl warnings are enabled. For other values:
1019 dnl yes: always do this, e.g., to use in generated library-headers
1020 dnl no: never do this
1021 AC_DEFUN([CF_ENABLE_WARNINGS],[
1022 if ( test "$GCC" = yes || test "$GXX" = yes )
1024 CF_FIX_WARNINGS(CFLAGS)
1025 CF_FIX_WARNINGS(CPPFLAGS)
1026 CF_FIX_WARNINGS(LDFLAGS)
1027 AC_MSG_CHECKING(if you want to turn on gcc warnings)
1028 CF_ARG_ENABLE(warnings,
1029 [ --enable-warnings test: turn on gcc compiler warnings],
1030 [with_warnings=yes],
1032 AC_MSG_RESULT($with_warnings)
1033 if test "$with_warnings" = "yes"
1035 ifelse($2,,[CF_GCC_ATTRIBUTES])
1038 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
1041 dnl ---------------------------------------------------------------------------
1042 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1044 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1045 dnl prefer a standard location, and use -L options only if we do not find the
1046 dnl library in the standard library location(s).
1047 dnl $1 = library name
1048 dnl $2 = library class, usually the same as library name
1050 dnl $4 = code fragment to compile/link
1051 dnl $5 = corresponding function-name
1052 dnl $6 = flag, nonnull if failure should not cause an error-exit
1054 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1055 dnl to use a -L option.
1056 AC_DEFUN([CF_FIND_LIBRARY],
1058 eval 'cf_cv_have_lib_'$1'=no'
1061 eval 'cf_cv_have_lib_'$1'=yes',[
1062 cf_save_LIBS="$LIBS"
1063 AC_MSG_CHECKING(for $5 in -l$1)
1065 AC_TRY_LINK([$3],[$4],
1067 eval 'cf_cv_have_lib_'$1'=yes'
1070 CF_LIBRARY_PATH(cf_search,$2)
1071 for cf_libdir in $cf_search
1073 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1074 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1075 AC_TRY_LINK([$3],[$4],
1077 eval 'cf_cv_have_lib_'$1'=yes'
1080 LIBS="$cf_save_LIBS"])
1084 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1086 if test $cf_found_library = no ; then
1087 AC_MSG_ERROR(Cannot link $1 library)
1091 dnl ---------------------------------------------------------------------------
1092 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1094 dnl Find a library (specifically the linkage used in the code fragment),
1095 dnl searching for it if it is not already in the library path.
1096 dnl See also CF_ADD_SEARCHPATH.
1098 dnl Parameters (4-on are optional):
1099 dnl $1 = headers for library entrypoint
1100 dnl $2 = code fragment for library entrypoint
1101 dnl $3 = the library name without the "-l" option or ".so" suffix.
1102 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1103 dnl $5 = action to perform if not successful
1104 dnl $6 = module name, if not the same as the library name
1105 dnl $7 = extra libraries
1107 dnl Sets these variables:
1108 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1109 dnl $cf_cv_header_path_$3 - include-directory if needed
1110 dnl $cf_cv_library_path_$3 - library-directory if needed
1111 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1112 AC_DEFUN([CF_FIND_LINKAGE],[
1114 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1115 # will be set on completion of the AC_TRY_LINK below.
1116 cf_cv_header_path_$3=
1117 cf_cv_library_path_$3=
1119 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1121 cf_save_LIBS="$LIBS"
1123 AC_TRY_LINK([$1],[$2],[
1124 cf_cv_find_linkage_$3=yes
1125 cf_cv_header_path_$3=/usr/include
1126 cf_cv_library_path_$3=/usr/lib
1129 LIBS="-l$3 $7 $cf_save_LIBS"
1131 AC_TRY_LINK([$1],[$2],[
1132 cf_cv_find_linkage_$3=yes
1133 cf_cv_header_path_$3=/usr/include
1134 cf_cv_library_path_$3=/usr/lib
1135 cf_cv_library_file_$3="-l$3"
1137 cf_cv_find_linkage_$3=no
1138 LIBS="$cf_save_LIBS"
1140 CF_VERBOSE(find linkage for $3 library)
1141 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1143 cf_save_CPPFLAGS="$CPPFLAGS"
1144 cf_test_CPPFLAGS="$CPPFLAGS"
1146 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1147 for cf_cv_header_path_$3 in $cf_search
1149 if test -d $cf_cv_header_path_$3 ; then
1150 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1151 CPPFLAGS="$cf_save_CPPFLAGS"
1152 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1153 AC_TRY_COMPILE([$1],[$2],[
1154 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1155 cf_cv_find_linkage_$3=maybe
1156 cf_test_CPPFLAGS="$CPPFLAGS"
1158 CPPFLAGS="$cf_save_CPPFLAGS"
1163 if test "$cf_cv_find_linkage_$3" = maybe ; then
1165 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1167 cf_save_LIBS="$LIBS"
1168 cf_save_LDFLAGS="$LDFLAGS"
1171 CPPFLAGS="$cf_test_CPPFLAGS"
1172 LIBS="-l$3 $7 $cf_save_LIBS"
1173 AC_TRY_LINK([$1],[$2],[
1174 CF_VERBOSE(... found $3 library in system)
1175 cf_cv_find_linkage_$3=yes])
1176 CPPFLAGS="$cf_save_CPPFLAGS"
1177 LIBS="$cf_save_LIBS"
1180 if test "$cf_cv_find_linkage_$3" != yes ; then
1181 CF_LIBRARY_PATH(cf_search,$3)
1182 for cf_cv_library_path_$3 in $cf_search
1184 if test -d $cf_cv_library_path_$3 ; then
1185 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1186 CPPFLAGS="$cf_test_CPPFLAGS"
1187 LIBS="-l$3 $7 $cf_save_LIBS"
1188 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1189 AC_TRY_LINK([$1],[$2],[
1190 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1191 cf_cv_find_linkage_$3=yes
1192 cf_cv_library_file_$3="-l$3"
1194 CPPFLAGS="$cf_save_CPPFLAGS"
1195 LIBS="$cf_save_LIBS"
1196 LDFLAGS="$cf_save_LDFLAGS"
1200 CPPFLAGS="$cf_save_CPPFLAGS"
1201 LDFLAGS="$cf_save_LDFLAGS"
1205 cf_cv_find_linkage_$3=no
1210 LIBS="$cf_save_LIBS"
1212 if test "$cf_cv_find_linkage_$3" = yes ; then
1214 CF_ADD_INCDIR($cf_cv_header_path_$3)
1215 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1219 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1222 dnl ---------------------------------------------------------------------------
1223 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1224 dnl -----------------
1225 dnl make ADAFLAGS consistent with CFLAGS
1226 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1227 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1235 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1236 CF_ADD_ADAFLAGS($cf_O_flag)
1239 AC_MSG_RESULT($ADAFLAGS)
1241 dnl ---------------------------------------------------------------------------
1242 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
1244 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
1245 dnl "-Werror" flags can interfere with configure-checks. Those go into
1248 dnl $1 = variable name to repair
1249 define([CF_FIX_WARNINGS],[
1250 if ( test "$GCC" = yes || test "$GXX" = yes )
1254 CF_VERBOSE(repairing $1: [$]$1)
1256 for cf_temp_scan in [$]$1
1258 case "x$cf_temp_scan" in
1260 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
1263 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
1268 CF_VERBOSE(... fixed [$]$1)
1269 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1273 AC_SUBST(EXTRA_CFLAGS)
1275 dnl ---------------------------------------------------------------------------
1276 dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
1277 dnl -----------------
1278 dnl Test for availability of useful gcc __attribute__ directives to quiet
1279 dnl compiler warnings. Though useful, not all are supported -- and contrary
1280 dnl to documentation, unrecognized directives cause older compilers to barf.
1281 AC_DEFUN([CF_GCC_ATTRIBUTES],
1283 if ( test "$GCC" = yes || test "$GXX" = yes )
1285 cat > conftest.i <<EOF
1287 #define GCC_PRINTF 0
1292 #ifndef GCC_NORETURN
1293 #define GCC_NORETURN /* nothing */
1296 #define GCC_UNUSED /* nothing */
1299 if test "$GCC" = yes
1301 AC_CHECKING([for $CC __attribute__ directives])
1302 cat > conftest.$ac_ext <<EOF
1303 #line __oline__ "${as_me:-configure}"
1304 #include "confdefs.h"
1305 #include "conftest.h"
1306 #include "conftest.i"
1308 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1310 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1313 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1315 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1317 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1318 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1319 extern void foo(void) GCC_NORETURN;
1320 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1322 cf_printf_attribute=no
1323 cf_scanf_attribute=no
1324 for cf_attribute in scanf printf unused noreturn
1326 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1327 cf_directive="__attribute__(($cf_attribute))"
1328 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1330 case $cf_attribute in
1332 cf_printf_attribute=yes
1333 cat >conftest.h <<EOF
1334 #define GCC_$cf_ATTRIBUTE 1
1338 cf_scanf_attribute=yes
1339 cat >conftest.h <<EOF
1340 #define GCC_$cf_ATTRIBUTE 1
1344 cat >conftest.h <<EOF
1345 #define GCC_$cf_ATTRIBUTE $cf_directive
1350 if AC_TRY_EVAL(ac_compile); then
1351 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1352 cat conftest.h >>confdefs.h
1353 case $cf_attribute in
1355 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1358 cf_value='/* nothing */'
1359 if test "$cf_printf_attribute" != no ; then
1360 cf_value='__attribute__((format(printf,fmt,var)))'
1361 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1363 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1366 cf_value='/* nothing */'
1367 if test "$cf_scanf_attribute" != no ; then
1368 cf_value='__attribute__((format(scanf,fmt,var)))'
1369 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1371 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1374 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1380 fgrep define conftest.i >>confdefs.h
1385 dnl ---------------------------------------------------------------------------
1386 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1388 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1389 dnl compatible), attempt to determine if icc/clang is actually used.
1390 AC_DEFUN([CF_GCC_VERSION],[
1391 AC_REQUIRE([AC_PROG_CC])
1393 if test "$GCC" = yes ; then
1394 AC_MSG_CHECKING(version of $CC)
1395 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1396 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1397 AC_MSG_RESULT($GCC_VERSION)
1399 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1400 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1402 dnl ---------------------------------------------------------------------------
1403 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
1405 dnl Check if the compiler supports useful warning options. There's a few that
1406 dnl we don't use, simply because they're too noisy:
1408 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1409 dnl -Winline (usually not worthwhile)
1410 dnl -Wredundant-decls (system headers make this too noisy)
1411 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1412 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1413 dnl is enabled for ncurses using "--enable-const".
1417 dnl $1 is an optional list of gcc warning flags that a particular
1418 dnl application might want to use, e.g., "no-unused" for
1421 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1423 AC_DEFUN([CF_GCC_WARNINGS],
1425 AC_REQUIRE([CF_GCC_VERSION])
1426 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1427 cat > conftest.$ac_ext <<EOF
1428 #line __oline__ "${as_me:-configure}"
1429 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1431 if test "$INTEL_COMPILER" = yes
1433 # The "-wdXXX" options suppress warnings:
1434 # remark #1419: external declaration in primary source file
1435 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1436 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1437 # remark #193: zero used for undefined preprocessing identifier
1438 # remark #593: variable "curs_sb_left_arrow" was set but never used
1439 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1440 # remark #869: parameter "tw" was never referenced
1441 # remark #981: operands are evaluated in unspecified order
1442 # warning #279: controlling expression is constant
1444 AC_CHECKING([for $CC warning options])
1445 cf_save_CFLAGS="$CFLAGS"
1446 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1458 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1459 if AC_TRY_EVAL(ac_compile); then
1460 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1461 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1464 CFLAGS="$cf_save_CFLAGS"
1465 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1467 AC_CHECKING([for $CC warning options])
1468 cf_save_CFLAGS="$CFLAGS"
1470 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1471 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1472 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1473 for cf_opt in W Wall \
1474 Wbad-function-cast \
1477 Wdeclaration-after-statement \
1480 Wmissing-declarations \
1481 Wmissing-prototypes \
1485 Wstrict-prototypes \
1486 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1488 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1489 if AC_TRY_EVAL(ac_compile); then
1490 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1493 case $GCC_VERSION in
1495 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1500 case $GCC_VERSION in
1502 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1507 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1510 CFLAGS="$cf_save_CFLAGS"
1514 AC_SUBST(EXTRA_CFLAGS)
1516 dnl ---------------------------------------------------------------------------
1517 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1518 dnl -----------------
1519 AC_DEFUN([CF_GNATPREP_OPT_T],[
1520 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1521 cf_cv_gnatprep_opt_t=no
1522 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1524 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1525 AC_SUBST(GNATPREP_OPTS)
1527 dnl ---------------------------------------------------------------------------
1528 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
1529 dnl ----------------
1530 AC_DEFUN([CF_GNAT_GENERICS],
1532 AC_REQUIRE([CF_GNAT_VERSION])
1534 AC_MSG_CHECKING(if GNAT supports generics)
1535 case $cf_cv_gnat_version in
1536 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1537 cf_gnat_generics=yes
1543 AC_MSG_RESULT($cf_gnat_generics)
1545 if test "$cf_gnat_generics" = yes
1547 cf_compile_generics=generics
1548 cf_generic_objects="\${GENOBJS}"
1550 cf_compile_generics=
1554 AC_SUBST(cf_compile_generics)
1555 AC_SUBST(cf_generic_objects)
1557 dnl ---------------------------------------------------------------------------
1558 dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
1559 dnl ----------------
1560 dnl GNAT projects are configured with ".gpr" project files.
1561 dnl GNAT libraries are a further development, using the project feature.
1562 AC_DEFUN([CF_GNAT_PROJECTS],
1564 AC_REQUIRE([CF_GNAT_VERSION])
1565 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1567 cf_gnat_libraries=no
1570 if test "$enable_gnat_projects" != no ; then
1571 AC_MSG_CHECKING(if GNAT supports project files)
1572 case $cf_cv_gnat_version in
1576 case $cf_cv_system_name in
1580 rm -rf conftest* *~conftest*
1581 if mkdir conftest.src conftest.bin conftest.lib
1584 rm -rf conftest* *~conftest*
1585 cat >>library.gpr <<CF_EOF
1587 Kind := External ("LIB_KIND");
1588 for Library_Name use "ConfTest";
1589 for Object_Dir use ".";
1590 for Library_ALI_Dir use External("LIBRARY_DIR");
1591 for Library_Version use External ("SONAME");
1592 for Library_Kind use Kind;
1593 for Library_Dir use External("BUILD_DIR");
1594 Source_Dir := External ("SOURCE_DIR");
1595 for Source_Dirs use (Source_Dir);
1598 cat >>confpackage.ads <<CF_EOF
1599 package ConfPackage is
1603 cat >>confpackage.adb <<CF_EOF
1605 package body ConfPackage is
1606 procedure conftest is
1608 Text_IO.Put ("Hello World");
1613 if ( $cf_ada_make $ADAFLAGS \
1615 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1616 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1617 -XSOURCE_DIR=`pwd` \
1618 -XSONAME=libConfTest.so.1 \
1619 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1620 cf_gnat_projects=yes
1624 if test -f conftest.lib/confpackage.ali
1626 cf_gnat_libraries=yes
1628 rm -rf conftest* *~conftest*
1633 AC_MSG_RESULT($cf_gnat_projects)
1634 fi # enable_gnat_projects
1636 if test $cf_gnat_projects = yes
1638 AC_MSG_CHECKING(if GNAT supports libraries)
1639 AC_MSG_RESULT($cf_gnat_libraries)
1642 if test "$cf_gnat_projects" = yes
1644 USE_OLD_MAKERULES="#"
1645 USE_GNAT_PROJECTS=""
1647 USE_OLD_MAKERULES=""
1648 USE_GNAT_PROJECTS="#"
1651 if test "$cf_gnat_libraries" = yes
1653 USE_GNAT_LIBRARIES=""
1655 USE_GNAT_LIBRARIES="#"
1658 AC_SUBST(USE_OLD_MAKERULES)
1659 AC_SUBST(USE_GNAT_PROJECTS)
1660 AC_SUBST(USE_GNAT_LIBRARIES)
1662 dnl ---------------------------------------------------------------------------
1663 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1665 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1666 dnl is noted that gnat may compile a tasking unit even for configurations which
1667 dnl fail at runtime.
1668 AC_DEFUN([CF_GNAT_SIGINT],[
1669 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1670 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1674 pragma Warnings (Off); -- the next pragma exists since 3.11p
1675 pragma Unreserve_All_Interrupts;
1676 pragma Warnings (On);
1678 protected Process is
1680 function Continue return Boolean;
1681 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1683 Done : Boolean := False;
1687 [package body ConfTest is
1688 protected body Process is
1693 function Continue return Boolean is
1699 [cf_cv_gnat_sigint=yes],
1700 [cf_cv_gnat_sigint=no])])
1702 if test $cf_cv_gnat_sigint = yes ; then
1707 AC_SUBST(USE_GNAT_SIGINT)
1709 dnl ---------------------------------------------------------------------------
1710 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1711 dnl ----------------
1712 dnl Verify that a test program compiles/links with GNAT.
1713 dnl $cf_ada_make is set to the program that compiles/links
1714 dnl $ADAFLAGS may be set to the GNAT flags.
1716 dnl $1 is the text of the spec
1717 dnl $2 is the text of the body
1718 dnl $3 is the shell command to execute if successful
1719 dnl $4 is the shell command to execute if not successful
1720 AC_DEFUN([CF_GNAT_TRY_LINK],
1722 rm -rf conftest* *~conftest*
1723 cat >>conftest.ads <<CF_EOF
1726 cat >>conftest.adb <<CF_EOF
1729 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1730 ifelse($3,, :,[ $3])
1734 rm -rf conftest* *~conftest*
1736 dnl ---------------------------------------------------------------------------
1737 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1739 dnl Verify that a test program compiles and runs with GNAT
1740 dnl $cf_ada_make is set to the program that compiles/links
1741 dnl $ADAFLAGS may be set to the GNAT flags.
1743 dnl $1 is the text of the spec
1744 dnl $2 is the text of the body
1745 dnl $3 is the shell command to execute if successful
1746 dnl $4 is the shell command to execute if not successful
1747 AC_DEFUN([CF_GNAT_TRY_RUN],
1749 rm -rf conftest* *~conftest*
1750 cat >>conftest.ads <<CF_EOF
1753 cat >>conftest.adb <<CF_EOF
1756 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1757 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1758 ifelse($3,, :,[ $3])
1765 rm -rf conftest* *~conftest*
1767 dnl ---------------------------------------------------------------------------
1768 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1770 dnl $1 = cache variable to update
1771 dnl $2 = program name
1772 dnl Verify version of GNAT or related tool
1773 AC_DEFUN([CF_GNAT_VERSION],
1775 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1776 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1777 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1778 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1780 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1781 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1783 dnl ---------------------------------------------------------------------------
1784 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1786 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1787 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1788 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1789 dnl since it is interwoven with GNU extensions.
1791 dnl Well, yes we could work around it...
1794 dnl $1 is the nominal value for _XOPEN_SOURCE
1795 AC_DEFUN([CF_GNU_SOURCE],
1797 cf_gnu_xopen_source=ifelse($1,,500,$1)
1799 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1800 AC_TRY_COMPILE([#include <sys/types.h>],[
1801 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1803 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1806 # error not GNU C library
1808 [cf_cv_gnu_library=yes],
1809 [cf_cv_gnu_library=no])
1812 if test x$cf_cv_gnu_library = xyes; then
1814 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1815 # was changed to help a little. newlib incorporated the change about 4
1817 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1819 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1820 AC_TRY_COMPILE([#include <sys/types.h>],[
1821 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1823 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1826 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1828 [cf_cv_gnu_library_219=yes],
1829 [cf_cv_gnu_library_219=no])
1833 if test "x$cf_cv_gnu_library_219" = xyes; then
1835 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1836 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1839 #include <sys/types.h>
1841 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1844 # error GNU C library is too old
1846 [cf_cv_gnu_dftsrc_219=yes],
1847 [cf_cv_gnu_dftsrc_219=no])
1849 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1851 cf_cv_gnu_dftsrc_219=maybe
1854 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1856 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1857 AC_TRY_COMPILE([#include <sys/types.h>],[
1858 #ifndef _XOPEN_SOURCE
1859 #error expected _XOPEN_SOURCE to be defined
1861 [cf_cv_gnu_source=no],
1862 [cf_save="$CPPFLAGS"
1863 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1864 AC_TRY_COMPILE([#include <sys/types.h>],[
1865 #ifdef _XOPEN_SOURCE
1866 #error expected _XOPEN_SOURCE to be undefined
1868 [cf_cv_gnu_source=no],
1869 [cf_cv_gnu_source=yes])
1874 if test "$cf_cv_gnu_source" = yes
1876 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1877 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1878 AC_TRY_COMPILE([#include <sys/types.h>],[
1879 #ifdef _DEFAULT_SOURCE
1880 #error expected _DEFAULT_SOURCE to be undefined
1882 [cf_cv_default_source=no],
1883 [cf_cv_default_source=yes])
1885 if test "$cf_cv_default_source" = yes
1887 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1894 dnl ---------------------------------------------------------------------------
1895 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1897 dnl Construct a search-list of directories for a nonstandard header-file
1900 dnl $1 = the variable to return as result
1901 dnl $2 = the package name
1902 AC_DEFUN([CF_HEADER_PATH],
1906 # collect the current set of include-directories from compiler flags
1907 cf_header_path_list=""
1908 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1909 for cf_header_path in $CPPFLAGS $CFLAGS
1911 case $cf_header_path in
1913 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1914 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1915 cf_header_path_list="$cf_header_path_list [$]$1"
1921 # add the variations for the package we are looking for
1922 CF_SUBDIR_PATH($1,$2,include)
1924 test "$includedir" != NONE && \
1925 test "$includedir" != "/usr/include" && \
1926 test -d "$includedir" && {
1927 test -d $includedir && $1="[$]$1 $includedir"
1928 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1931 test "$oldincludedir" != NONE && \
1932 test "$oldincludedir" != "/usr/include" && \
1933 test -d "$oldincludedir" && {
1934 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1935 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1938 $1="[$]$1 $cf_header_path_list"
1940 dnl ---------------------------------------------------------------------------
1941 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1943 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1944 AC_DEFUN([CF_HELP_MESSAGE],
1945 [CF_ACVERSION_CHECK(2.53,[],[
1946 AC_DIVERT_HELP($1)])dnl
1948 dnl ---------------------------------------------------------------------------
1949 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1951 dnl Construct the list of include-options according to whether we're building
1952 dnl in the source directory or using '--srcdir=DIR' option.
1953 AC_DEFUN([CF_INCLUDE_DIRS],
1955 if test "$srcdir" != "."; then
1956 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1958 CPPFLAGS="-I../include $CPPFLAGS"
1959 if test "$srcdir" != "."; then
1960 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1962 CPPFLAGS="-I. $CPPFLAGS"
1965 dnl ---------------------------------------------------------------------------
1966 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1968 dnl prompt for/fill-in useful install-program options
1969 AC_DEFUN([CF_INSTALL_OPTS],
1975 dnl ---------------------------------------------------------------------------
1976 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1977 dnl ----------------
1978 dnl Almost all "install" programs default to the current user's ownership.
1979 dnl Almost - MINIX is an exception.
1980 AC_DEFUN([CF_INSTALL_OPT_O],
1982 AC_MSG_CHECKING(if install needs to be told about ownership)
1983 case `$ac_config_guess` in
1992 AC_MSG_RESULT($with_install_o)
1993 if test "x$with_install_o" = xyes
1995 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'`
2000 AC_SUBST(INSTALL_OPT_O)
2002 dnl ---------------------------------------------------------------------------
2003 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
2004 dnl ----------------
2005 dnl Some install-programs accept a "-p" option to preserve file modification
2006 dnl timestamps. That can be useful as an install option, as well as a way to
2007 dnl avoid the need for ranlib after copying a static archive.
2008 AC_DEFUN([CF_INSTALL_OPT_P],
2010 : ${INSTALL:=install}
2011 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
2016 if $INSTALL -p conftest.in conftest.out 2>/dev/null
2018 if test -f conftest.out/conftest.in
2020 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
2021 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
2022 if test -s conftest.err
2037 dnl ---------------------------------------------------------------------------
2038 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
2039 dnl ----------------
2040 dnl By default, we should strip executables which are installed, but leave the
2041 dnl ability to suppress that for unit-testing.
2042 AC_DEFUN([CF_INSTALL_OPT_S],
2044 AC_MSG_CHECKING(if you want to install stripped executables)
2045 CF_ARG_DISABLE(stripping,
2046 [ --disable-stripping do not strip (debug info) installed executables],
2047 [with_stripping=no],
2048 [with_stripping=yes])
2049 AC_MSG_RESULT($with_stripping)
2051 if test "$with_stripping" = yes
2057 AC_SUBST(INSTALL_OPT_S)
2059 dnl ---------------------------------------------------------------------------
2060 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2061 dnl -----------------
2062 dnl Check if the given compiler is really the Intel compiler for Linux. It
2063 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2064 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2066 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2067 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2068 dnl the wrappers for gcc and g++ warnings.
2070 dnl $1 = GCC (default) or GXX
2071 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2072 dnl $3 = CFLAGS (default) or CXXFLAGS
2073 AC_DEFUN([CF_INTEL_COMPILER],[
2074 AC_REQUIRE([AC_CANONICAL_HOST])
2075 ifelse([$2],,INTEL_COMPILER,[$2])=no
2077 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2080 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2081 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2082 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2084 #ifdef __INTEL_COMPILER
2088 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2089 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2091 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2092 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2097 dnl ---------------------------------------------------------------------------
2098 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2100 dnl Add checks for large file support.
2101 AC_DEFUN([CF_LARGEFILE],[
2102 ifdef([AC_FUNC_FSEEKO],[
2104 if test "$enable_largefile" != no ; then
2107 # Normally we would collect these definitions in the config.h,
2108 # but (like _XOPEN_SOURCE), some environments rely on having these
2109 # defined before any of the system headers are included. Another
2110 # case comes up with C++, e.g., on AIX the compiler compiles the
2111 # header files by themselves before looking at the body files it is
2112 # told to compile. For ncurses, those header files do not include
2114 if test "$ac_cv_sys_large_files" != no
2116 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2118 if test "$ac_cv_sys_largefile_source" != no
2120 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2122 if test "$ac_cv_sys_file_offset_bits" != no
2124 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2127 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2129 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2130 #include <sys/types.h>
2133 /* if transitional largefile support is setup, this is true */
2134 extern struct dirent64 * readdir(DIR *);
2135 struct dirent64 *x = readdir((DIR *)0);
2136 struct dirent *y = readdir((DIR *)0);
2140 [cf_cv_struct_dirent64=yes],
2141 [cf_cv_struct_dirent64=no])
2143 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2147 dnl ---------------------------------------------------------------------------
2148 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
2150 dnl For the given system and compiler, find the compiler flags to pass to the
2151 dnl loader to use the "rpath" feature.
2152 AC_DEFUN([CF_LD_RPATH_OPT],
2154 AC_REQUIRE([CF_CHECK_CACHE])
2157 if test "x$cf_cv_enable_rpath" != xno
2159 AC_MSG_CHECKING(for an rpath option)
2160 case $cf_cv_system_name in
2162 if test "$GCC" = yes; then
2163 LD_RPATH_OPT="-Wl,-rpath,"
2165 LD_RPATH_OPT="-rpath "
2168 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2169 LD_RPATH_OPT="-Wl,-rpath,"
2171 (openbsd[[2-9]].*|mirbsd*)
2172 LD_RPATH_OPT="-Wl,-rpath,"
2175 LD_RPATH_OPT="-rpath "
2178 LD_RPATH_OPT="-Wl,-rpath,"
2181 LD_RPATH_OPT="-rpath "
2189 AC_MSG_RESULT($LD_RPATH_OPT)
2191 case "x$LD_RPATH_OPT" in
2193 AC_MSG_CHECKING(if we need a space after rpath option)
2194 cf_save_LIBS="$LIBS"
2195 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2196 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2197 LIBS="$cf_save_LIBS"
2198 AC_MSG_RESULT($cf_rpath_space)
2199 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2204 dnl ---------------------------------------------------------------------------
2205 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2207 dnl Construct a search-list of directories for a nonstandard library-file
2210 dnl $1 = the variable to return as result
2211 dnl $2 = the package name
2212 AC_DEFUN([CF_LIBRARY_PATH],
2215 cf_library_path_list=""
2216 if test -n "${LDFLAGS}${LIBS}" ; then
2217 for cf_library_path in $LDFLAGS $LIBS
2219 case $cf_library_path in
2221 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2222 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2223 cf_library_path_list="$cf_library_path_list [$]$1"
2229 CF_SUBDIR_PATH($1,$2,lib)
2231 $1="$cf_library_path_list [$]$1"
2233 dnl ---------------------------------------------------------------------------
2234 dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
2236 dnl Compute the library-prefix for the given host system
2237 dnl $1 = variable to set
2238 define([CF_LIB_PREFIX],
2240 case $cf_cv_system_name in
2242 if test "$DFT_LWR_MODEL" = libtool; then
2251 (*) LIB_PREFIX='lib'
2254 ifelse($1,,,[$1=$LIB_PREFIX])
2255 AC_SUBST(LIB_PREFIX)
2257 dnl ---------------------------------------------------------------------------
2258 dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47
2260 dnl Compute the library file-suffix from the given model name
2262 dnl $2 = variable to set (the nominal library suffix)
2263 dnl $3 = dependency variable to set (actual filename)
2264 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2265 AC_DEFUN([CF_LIB_SUFFIX],
2273 case $cf_cv_system_name in
2284 case $cf_cv_system_name in
2295 case $cf_cv_system_name in
2304 (cygwin*|msys*|mingw*)
2342 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2344 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2345 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2348 dnl ---------------------------------------------------------------------------
2349 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2351 dnl Compute the string to append to -library from the given model name
2353 dnl $2 = variable to set
2354 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2355 AC_DEFUN([CF_LIB_TYPE],
2361 (profile) $2='_p' ;;
2364 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2366 dnl ---------------------------------------------------------------------------
2367 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2368 dnl ----------------
2369 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2370 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2371 dnl have to provide wrappers for global tables to ensure they're linked
2373 AC_DEFUN([CF_LINK_DATAONLY],
2375 AC_MSG_CHECKING([if data-only library module links])
2376 AC_CACHE_VAL(cf_cv_link_dataonly,[
2378 cat >conftest.$ac_ext <<EOF
2379 #line __oline__ "configure"
2380 int testdata[[3]] = { 123, 456, 789 };
2382 if AC_TRY_EVAL(ac_compile) ; then
2383 mv conftest.o data.o && \
2384 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2386 rm -f conftest.$ac_ext data.o
2387 cat >conftest.$ac_ext <<EOF
2388 #line __oline__ "configure"
2392 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2394 extern int testdata[[3]];
2395 return testdata[[0]] == 123
2396 && testdata[[1]] == 456
2397 && testdata[[2]] == 789;
2401 if AC_TRY_EVAL(ac_compile); then
2402 mv conftest.o func.o && \
2403 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2405 rm -f conftest.$ac_ext func.o
2406 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2408 LIBS="conftest.a $LIBS"
2412 extern int testfunc();
2413 ${cf_cv_main_return:-return} (!testfunc());
2416 [cf_cv_link_dataonly=yes],
2417 [cf_cv_link_dataonly=no],
2418 [cf_cv_link_dataonly=unknown])
2421 AC_MSG_RESULT($cf_cv_link_dataonly)
2423 if test "$cf_cv_link_dataonly" = no ; then
2424 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2427 AC_SUBST(BROKEN_LINKER)
2430 dnl ---------------------------------------------------------------------------
2431 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2433 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2434 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2435 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2436 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2437 AC_DEFUN([CF_MAKEFLAGS],
2439 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2441 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2443 cat >cf_makeflags.tmp <<CF_EOF
2446 @ echo '.$cf_option'
2448 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2449 case "$cf_result" in
2451 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2452 case "$cf_result" in
2453 (.*CC=*) cf_cv_makeflags=
2455 (*) cf_cv_makeflags=$cf_option
2463 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2467 rm -f cf_makeflags.tmp
2470 AC_SUBST(cf_cv_makeflags)
2472 dnl ---------------------------------------------------------------------------
2473 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2475 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2476 dnl a monocase filesystem.
2477 AC_DEFUN([CF_MAKE_TAGS],[
2478 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2480 AC_CHECK_PROGS(CTAGS, exctags ctags)
2481 AC_CHECK_PROGS(ETAGS, exetags etags)
2483 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2485 if test "$cf_cv_mixedcase" = yes ; then
2486 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2491 if test "$MAKE_UPPER_TAGS" = yes ; then
2497 if test "$MAKE_LOWER_TAGS" = yes ; then
2506 AC_SUBST(MAKE_UPPER_TAGS)
2507 AC_SUBST(MAKE_LOWER_TAGS)
2509 dnl ---------------------------------------------------------------------------
2510 dnl CF_MIXEDCASE_FILENAMES version: 8 updated: 2020/11/14 10:12:15
2511 dnl ----------------------
2512 dnl Check if the file-system supports mixed-case filenames. If we're able to
2513 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2514 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2516 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2517 if test "$cross_compiling" = yes ; then
2518 case $target_alias in
2519 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*|darwin*)
2527 rm -f conftest CONFTEST
2529 if test -f CONFTEST ; then
2534 rm -f conftest CONFTEST
2537 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2539 dnl ---------------------------------------------------------------------------
2540 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2542 dnl Check for a working mkstemp. This creates two files, checks that they are
2543 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2544 AC_DEFUN([CF_MKSTEMP],[
2548 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2551 #include <sys/types.h>
2552 #ifdef HAVE_UNISTD_H
2558 #include <sys/stat.h>
2561 char *tmpl = "conftestXXXXXX";
2569 for (n = 0; n < 2; ++n) {
2570 strcpy(name[n], tmpl);
2571 if ((fd = mkstemp(name[n])) >= 0) {
2572 if (!strcmp(name[n], tmpl)
2573 || stat(name[n], &sb) != 0
2574 || (sb.st_mode & S_IFMT) != S_IFREG
2575 || (sb.st_mode & 077) != 0) {
2582 && !strcmp(name[0], name[1]))
2584 ${cf_cv_main_return:-return}(result);
2586 ],[cf_cv_func_mkstemp=yes
2587 ],[cf_cv_func_mkstemp=no
2588 ],[cf_cv_func_mkstemp=maybe])
2590 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2591 AC_CHECK_FUNC(mkstemp)
2593 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2594 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2597 dnl ---------------------------------------------------------------------------
2598 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2600 dnl Write a debug message to config.log, along with the line number in the
2601 dnl configure script.
2602 AC_DEFUN([CF_MSG_LOG],[
2603 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2605 dnl ---------------------------------------------------------------------------
2606 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2607 dnl ----------------
2608 dnl Configure an ncurses add-on, built outside the ncurses tree.
2609 AC_DEFUN([CF_NCURSES_ADDON],[
2610 AC_REQUIRE([CF_NCURSES_CONFIG])
2612 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2614 AC_MSG_CHECKING(if you want wide-character code)
2615 AC_ARG_ENABLE(widec,
2616 [ --enable-widec compile with wide-char/UTF-8 code],
2617 [with_widec=$enableval],
2619 AC_MSG_RESULT($with_widec)
2620 if test "$with_widec" = yes ; then
2622 CF_NCURSES_CONFIG(ncursesw)
2624 CF_NCURSES_CONFIG(ncurses)
2627 if test "$NCURSES_CONFIG_PKG" != none ; then
2628 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2630 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2631 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2632 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2634 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2635 if test -z "$cf_cv_abi_version"
2637 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2640 elif test "$NCURSES_CONFIG" != none ; then
2642 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2644 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2645 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2646 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2648 # ABI version is not available from headers
2649 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2653 for cf_name in MAJOR MINOR PATCH
2655 cat >conftest.$ac_ext <<CF_EOF
2656 #include <${cf_cv_ncurses_header:-curses.h}>
2657 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2659 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2661 if test -f conftest.out ; then
2662 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2663 eval NCURSES_$cf_name=\"$cf_result\"
2664 # cat conftest.$ac_ext
2669 cf_cv_abi_version=${NCURSES_MAJOR}
2673 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2675 dnl Show the computed version, for logging
2676 cf_cv_timestamp=`date`
2678 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2680 dnl We need these values in the generated headers
2681 AC_SUBST(NCURSES_MAJOR)
2682 AC_SUBST(NCURSES_MINOR)
2683 AC_SUBST(NCURSES_PATCH)
2685 dnl We need these values in the generated makefiles
2686 AC_SUBST(cf_cv_rel_version)
2687 AC_SUBST(cf_cv_abi_version)
2689 dnl FIXME - not needed for Ada95
2690 AC_SUBST(cf_cv_builtin_bool)
2691 AC_SUBST(cf_cv_header_stdbool_h)
2692 AC_SUBST(cf_cv_type_of_bool)dnl
2695 dnl ---------------------------------------------------------------------------
2696 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2697 dnl -------------------
2698 dnl Check if we can compile with ncurses' header file
2699 dnl $1 is the cache variable to set
2700 dnl $2 is the header-file to include
2701 dnl $3 is the root name (ncurses or ncursesw)
2702 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2704 ]ifelse($3,ncursesw,[
2705 #define _XOPEN_SOURCE_EXTENDED
2706 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2707 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2710 #ifdef NCURSES_VERSION
2711 ]ifelse($3,ncursesw,[
2716 printf("%s\n", NCURSES_VERSION);
2728 dnl ---------------------------------------------------------------------------
2729 dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
2730 dnl -----------------
2731 dnl Tie together the configure-script macros for ncurses, preferring these in
2733 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2734 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2735 dnl c) just plain libraries
2737 dnl $1 is the root library name (default: "ncurses")
2738 AC_DEFUN([CF_NCURSES_CONFIG],[
2739 AC_REQUIRE([CF_PKG_CONFIG])
2740 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2741 cf_have_ncuconfig=no
2743 if test "x${PKG_CONFIG:=none}" != xnone; then
2744 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2745 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2748 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2749 cf_have_ncuconfig=unknown
2751 cf_save_CFLAGS="$CFLAGS"
2752 cf_save_CPPFLAGS="$CPPFLAGS"
2753 cf_save_LIBS="$LIBS"
2755 cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
2756 cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
2758 # while -W for passing linker flags is prevalent, it is not "standard".
2759 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2760 # incompatible _and_ non-standard -W option which gives an error. Work
2761 # around that pitfall.
2762 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2764 CF_ADD_CFLAGS($cf_pkg_cflags)
2765 CF_ADD_LIBS($cf_pkg_libs)
2767 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2768 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2769 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2771 { char *xx = curses_version(); return (xx == 0); }],
2772 [cf_test_ncuconfig=yes],
2773 [cf_test_ncuconfig=no],
2774 [cf_test_ncuconfig=maybe])],
2775 [cf_test_ncuconfig=no])
2777 CFLAGS="$cf_save_CFLAGS"
2778 CPPFLAGS="$cf_save_CPPFLAGS"
2779 LIBS="$cf_save_LIBS"
2781 if test "x$cf_test_ncuconfig" != xyes; then
2782 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2783 cf_pkg_cflags="$cf_temp"
2784 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2785 cf_pkg_libs="$cf_temp"
2790 CF_ADD_CFLAGS($cf_pkg_cflags)
2791 CF_ADD_LIBS($cf_pkg_libs)
2793 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2794 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2795 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2797 { char *xx = curses_version(); return (xx == 0); }],
2798 [cf_have_ncuconfig=yes],
2799 [cf_have_ncuconfig=no],
2800 [cf_have_ncuconfig=maybe])],
2801 [cf_have_ncuconfig=no])
2802 AC_MSG_RESULT($cf_have_ncuconfig)
2803 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2804 if test "$cf_have_ncuconfig" != "yes"
2806 CPPFLAGS="$cf_save_CPPFLAGS"
2807 LIBS="$cf_save_LIBS"
2808 NCURSES_CONFIG_PKG=none
2810 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2811 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2817 NCURSES_CONFIG_PKG=none
2820 NCURSES_CONFIG_PKG=none
2823 if test "x$cf_have_ncuconfig" = "xno"; then
2824 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2826 CF_ACVERSION_CHECK(2.52,
2827 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2828 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2830 if test "$NCURSES_CONFIG" != none ; then
2832 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2833 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2835 # even with config script, some packages use no-override for curses.h
2836 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2838 dnl like CF_NCURSES_CPPFLAGS
2839 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2841 dnl like CF_NCURSES_LIBS
2842 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2843 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2845 dnl like CF_NCURSES_VERSION
2846 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2850 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2851 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2858 dnl ---------------------------------------------------------------------------
2859 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2860 dnl -------------------
2861 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2862 dnl the CPPFLAGS variable so we can include its header.
2864 dnl The header files may be installed as either curses.h, or ncurses.h (would
2865 dnl be obsolete, except that some packagers prefer this name to distinguish it
2866 dnl from a "native" curses implementation). If not installed for overwrite,
2867 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2868 dnl /usr/include/ncurses), but someone may have installed overwriting the
2869 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2870 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2873 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2874 dnl is already in the include-path, don't even bother with this, since we cannot
2875 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2877 dnl The optional parameter gives the root name of the library, in case it is
2878 dnl not installed as the default curses library. That is how the
2879 dnl wide-character version of ncurses is installed.
2880 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2881 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2883 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2884 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2886 test -n "$cf_cv_curses_dir" && \
2887 test "$cf_cv_curses_dir" != "no" && { \
2888 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2891 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2892 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2893 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2894 for cf_header in $cf_header_list
2896 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2897 test "$cf_cv_ncurses_h" != no && break
2904 # some applications need this, but should check for NCURSES_VERSION
2905 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2909 dnl ---------------------------------------------------------------------------
2910 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2911 dnl -----------------
2912 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2913 dnl variations of ncurses' installs.
2915 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2916 AC_DEFUN([CF_NCURSES_HEADER],[
2918 if test "$cf_cv_ncurses_h" != no ; then
2919 cf_cv_ncurses_header=$cf_cv_ncurses_h
2922 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2923 test -n "$verbose" && echo
2924 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2925 test -n "$verbose" && echo search path $cf_search
2926 cf_save2_CPPFLAGS="$CPPFLAGS"
2927 for cf_incdir in $cf_search
2929 CF_ADD_INCDIR($cf_incdir)
2934 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2935 if test "$cf_cv_ncurses_h2" != no ; then
2936 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2937 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2940 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2942 CPPFLAGS="$cf_save2_CPPFLAGS"
2943 test "$cf_cv_ncurses_h2" != no && break
2945 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2948 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2949 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2950 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2951 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2953 CF_ADD_INCDIR($cf_1st_incdir)
2957 # Set definitions to allow ifdef'ing for ncurses.h
2959 case $cf_cv_ncurses_header in
2961 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2965 case $cf_cv_ncurses_header in
2966 (ncurses/curses.h|ncurses/ncurses.h)
2967 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2969 (ncursesw/curses.h|ncursesw/ncurses.h)
2970 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2975 dnl ---------------------------------------------------------------------------
2976 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2978 dnl Look for the ncurses library. This is a little complicated on Linux,
2979 dnl because it may be linked with the gpm (general purpose mouse) library.
2980 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2981 dnl unusable with ncurses. However, we don't want to link with gpm unless
2982 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2983 dnl and the linker will record a dependency.
2985 dnl The optional parameter gives the root name of the library, in case it is
2986 dnl not installed as the default curses library. That is how the
2987 dnl wide-character version of ncurses is installed.
2988 AC_DEFUN([CF_NCURSES_LIBS],
2989 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2991 cf_nculib_root=ifelse($1,,ncurses,$1)
2992 # This works, except for the special case where we find gpm, but
2993 # ncurses is in a nonstandard location via $LIBS, and we really want
2996 cf_ncurses_SAVE="$LIBS"
2997 AC_CHECK_LIB(gpm,Gpm_Open,
2998 [AC_CHECK_LIB(gpm,initscr,
2999 [LIBS="$cf_ncurses_SAVE"],
3000 [cf_ncurses_LIBS="-lgpm"])])
3004 # This is only necessary if you are linking against an obsolete
3005 # version of ncurses (but it should do no harm, since it's static).
3006 if test "$cf_nculib_root" = ncurses ; then
3007 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
3012 CF_ADD_LIBS($cf_ncurses_LIBS)
3014 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3016 CF_ADD_LIBS(-l$cf_nculib_root)
3018 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
3019 [#include <${cf_cv_ncurses_header:-curses.h}>],
3024 if test -n "$cf_ncurses_LIBS" ; then
3025 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
3026 cf_ncurses_SAVE="$LIBS"
3027 for p in $cf_ncurses_LIBS ; do
3028 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
3029 if test "$q" != "$LIBS" ; then
3033 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
3034 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
3035 [AC_MSG_RESULT(yes)],
3037 LIBS="$cf_ncurses_SAVE"])
3040 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3041 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3043 dnl ---------------------------------------------------------------------------
3044 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
3045 dnl ------------------
3046 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3047 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
3048 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3049 AC_DEFUN([CF_NCURSES_VERSION],
3051 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3052 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3053 cf_cv_ncurses_version=no
3057 #include <${cf_cv_ncurses_header:-curses.h}>
3061 FILE *fp = fopen("$cf_tempfile", "w");
3062 #ifdef NCURSES_VERSION
3063 # ifdef NCURSES_VERSION_PATCH
3064 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3066 fprintf(fp, "%s\n", NCURSES_VERSION);
3070 fprintf(fp, "old\n");
3075 ${cf_cv_main_return:-return}(0);
3077 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3079 # This will not work if the preprocessor splits the line after the
3080 # Autoconf token. The 'unproto' program does that.
3081 cat > conftest.$ac_ext <<EOF
3082 #include <${cf_cv_ncurses_header:-curses.h}>
3084 #ifdef NCURSES_VERSION
3085 Autoconf NCURSES_VERSION
3093 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3095 if test -f conftest.out ; then
3096 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
3097 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3103 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3105 dnl ---------------------------------------------------------------------------
3106 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
3108 dnl Compute the object-directory name from the given model name
3109 AC_DEFUN([CF_OBJ_SUBDIR],
3112 (libtool) $2='obj_lo' ;;
3113 (normal) $2='objects' ;;
3114 (debug) $2='obj_g' ;;
3115 (profile) $2='obj_p' ;;
3117 case $cf_cv_system_name in
3125 dnl ---------------------------------------------------------------------------
3126 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
3128 dnl Provide a value for the $PATH and similar separator (or amend the value
3129 dnl as provided in autoconf 2.5x).
3130 AC_DEFUN([CF_PATHSEP],
3132 AC_MSG_CHECKING(for PATH separator)
3133 case $cf_cv_system_name in
3134 (os2*) PATH_SEPARATOR=';' ;;
3135 (*) ${PATH_SEPARATOR:=':'} ;;
3137 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3138 AC_SUBST(PATH_SEPARATOR)
3139 AC_MSG_RESULT($PATH_SEPARATOR)
3141 dnl ---------------------------------------------------------------------------
3142 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
3144 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3145 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3146 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3147 dnl delayed evaluation of those symbols.
3148 AC_DEFUN([CF_PATH_SYNTAX],[
3149 if test "x$prefix" != xNONE; then
3150 cf_path_syntax="$prefix"
3152 cf_path_syntax="$ac_default_prefix"
3156 (.\[$]\(*\)*|.\'*\'*)
3160 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3162 (.\[$]{*prefix}*|.\[$]{*dir}*)
3166 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3171 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3174 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3178 dnl ---------------------------------------------------------------------------
3179 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
3181 dnl Check for the package-config program, unless disabled by command-line.
3182 AC_DEFUN([CF_PKG_CONFIG],
3184 AC_MSG_CHECKING(if you want to use pkg-config)
3185 AC_ARG_WITH(pkg-config,
3186 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3187 [cf_pkg_config=$withval],
3188 [cf_pkg_config=yes])
3189 AC_MSG_RESULT($cf_pkg_config)
3191 case $cf_pkg_config in
3196 CF_ACVERSION_CHECK(2.52,
3197 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3198 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3205 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3206 if test "$PKG_CONFIG" != none ; then
3207 CF_PATH_SYNTAX(PKG_CONFIG)
3208 elif test "x$cf_pkg_config" != xno ; then
3209 AC_MSG_WARN(pkg-config is not installed)
3212 AC_SUBST(PKG_CONFIG)
3214 dnl ---------------------------------------------------------------------------
3215 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3216 dnl -----------------
3217 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3219 dnl POSIX.1-1990 _POSIX_SOURCE
3220 dnl POSIX.1-1990 and _POSIX_SOURCE and
3221 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3223 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3224 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3225 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3228 dnl $1 is the nominal value for _POSIX_C_SOURCE
3229 AC_DEFUN([CF_POSIX_C_SOURCE],
3230 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3232 if test "$cf_cv_posix_visible" = no; then
3234 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3236 cf_save_CFLAGS="$CFLAGS"
3237 cf_save_CPPFLAGS="$CPPFLAGS"
3239 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3240 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3242 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3243 CF_MSG_LOG(if the symbol is already defined go no further)
3244 AC_TRY_COMPILE([#include <sys/types.h>],[
3245 #ifndef _POSIX_C_SOURCE
3248 [cf_cv_posix_c_source=no],
3249 [cf_want_posix_source=no
3250 case .$cf_POSIX_C_SOURCE in
3252 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3255 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3256 cf_want_posix_source=yes
3259 cf_want_posix_source=yes
3262 if test "$cf_want_posix_source" = yes ; then
3263 AC_TRY_COMPILE([#include <sys/types.h>],[
3264 #ifdef _POSIX_SOURCE
3267 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3269 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3270 CFLAGS="$cf_trim_CFLAGS"
3271 CPPFLAGS="$cf_trim_CPPFLAGS"
3272 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3273 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3274 AC_TRY_COMPILE([#include <sys/types.h>],[
3275 #ifndef _POSIX_C_SOURCE
3278 [cf_cv_posix_c_source=no])
3279 CFLAGS="$cf_save_CFLAGS"
3280 CPPFLAGS="$cf_save_CPPFLAGS"
3284 if test "$cf_cv_posix_c_source" != no ; then
3285 CFLAGS="$cf_trim_CFLAGS"
3286 CPPFLAGS="$cf_trim_CPPFLAGS"
3287 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3290 fi # cf_cv_posix_visible
3293 dnl ---------------------------------------------------------------------------
3294 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3295 dnl ----------------
3296 dnl POSIX documents test-macros which an application may set before any system
3297 dnl headers are included to make features available.
3299 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3300 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3301 dnl recent features visible in the system header files unless the application
3302 dnl overrides the corresponding test-macros. Doing that introduces portability
3305 dnl This macro makes a special check for the symbols used for this, to avoid a
3306 dnl conflicting definition.
3307 AC_DEFUN([CF_POSIX_VISIBLE],
3309 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3310 AC_TRY_COMPILE([#include <stdio.h>],[
3311 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3312 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3313 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3314 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3315 #error conflicting symbols found
3317 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3320 dnl ---------------------------------------------------------------------------
3321 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3323 dnl Check for archiver "ar".
3324 AC_DEFUN([CF_PROG_AR],[
3325 AC_CHECK_TOOL(AR, ar, ar)
3327 dnl ---------------------------------------------------------------------------
3328 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3330 dnl Check for awk, ensure that the check found something.
3331 AC_DEFUN([CF_PROG_AWK],
3334 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3336 dnl ---------------------------------------------------------------------------
3337 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3339 dnl standard check for CC, plus followup sanity checks
3340 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3341 AC_DEFUN([CF_PROG_CC],[
3342 CF_ACVERSION_CHECK(2.53,
3343 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3344 AC_REQUIRE([AC_PROG_CC])],
3346 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3348 CF_ACVERSION_CHECK(2.52,
3353 dnl ---------------------------------------------------------------------------
3354 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3356 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3357 dnl the output file can be renamed, and allows for a shell variable that can
3358 dnl be used later. The parameter is either CC or CXX. The result is the
3360 dnl $cf_cv_prog_CC_c_o
3361 dnl $cf_cv_prog_CXX_c_o
3364 dnl $2 = compiler options, if any
3365 AC_DEFUN([CF_PROG_CC_C_O],
3366 [AC_REQUIRE([AC_PROG_CC])dnl
3367 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3368 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3370 cat > conftest.$ac_ext <<CF_EOF
3373 ${cf_cv_main_return:-return}(0);
3376 # We do the test twice because some compilers refuse to overwrite an
3377 # existing .o file with -o, though they will create one.
3378 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3379 if AC_TRY_EVAL(ac_try) &&
3380 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3382 eval cf_cv_prog_$1_c_o=yes
3384 eval cf_cv_prog_$1_c_o=no
3388 if test $cf_cv_prog_$1_c_o = yes; then
3389 AC_MSG_RESULT([yes])
3394 dnl ---------------------------------------------------------------------------
3395 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3397 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3398 dnl This macro adds a check to ensure the script found something.
3399 AC_DEFUN([CF_PROG_EGREP],
3400 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3401 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3402 then ac_cv_prog_egrep='grep -E'
3403 else ac_cv_prog_egrep='egrep'
3405 EGREP=$ac_cv_prog_egrep
3407 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3409 dnl ---------------------------------------------------------------------------
3410 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3412 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3413 AC_DEFUN([CF_PROG_EXT],
3415 AC_REQUIRE([CF_CHECK_CACHE])
3416 case $cf_cv_system_name in
3418 CFLAGS="$CFLAGS -Zmt"
3419 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3420 CXXFLAGS="$CXXFLAGS -Zmt"
3421 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3422 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3432 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3434 dnl ---------------------------------------------------------------------------
3435 dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54
3437 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3438 AC_DEFUN([CF_PROG_GNAT],[
3439 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3441 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3443 unset ac_cv_path_cf_TEMP_gnat
3445 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3446 eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat
3448 if test "x$cf_TEMP_gnat" != xno; then
3449 unset cf_cv_gnat_version
3451 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3453 eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat
3456 unset cf_cv_gnat_version
3457 unset ac_cv_path_cf_TEMP_gnat
3460 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3462 cf_cv_prog_gnat_correct=no
3464 cf_ada_make=gnatmake
3465 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3466 # gprconfig is newer than gnatmake; we can continue...
3469 rm -rf conftest* *~conftest*
3470 if mkdir conftest.src
3474 for cf_gprconfig in Ada C
3476 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3477 if test $cf_gprconfig = C
3479 for cf_gprconfig_param in \
3480 $cf_gprconfig,,,,GNATGCC \
3481 $cf_gprconfig,,,,GCC \
3484 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3485 test -n "$cf_gprconfig_value" && break
3488 cf_gprconfig_param=$cf_gprconfig
3489 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3491 if test -n "$cf_gprconfig_value"
3493 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3494 AC_MSG_RESULT($cf_gprconfig_value)
3496 AC_MSG_RESULT(missing)
3502 rm -rf conftest* *~conftest*
3505 if test "x$cf_ada_config" != "x#"
3508 CF_CHECK_GNAT_VERSION
3509 AC_CHECK_PROG(M4_exists, m4, yes, no)
3510 if test "$ac_cv_prog_M4_exists" = no; then
3511 cf_cv_prog_gnat_correct=no
3512 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3514 if test "$cf_cv_prog_gnat_correct" = yes; then
3515 AC_MSG_CHECKING(if GNAT works)
3516 CF_GNAT_TRY_RUN([procedure conftest;],
3519 procedure conftest is
3521 Text_IO.Put ("Hello World");
3523 GNAT.OS_Lib.OS_Exit (0);
3525 [cf_cv_prog_gnat_correct=yes],
3526 [cf_cv_prog_gnat_correct=no])
3527 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3530 cf_cv_prog_gnat_correct=no
3534 AC_SUBST(cf_ada_make)
3535 AC_SUBST(cf_ada_config)
3536 AC_SUBST(cf_ada_config_Ada)
3537 AC_SUBST(cf_ada_config_C)
3539 dnl ---------------------------------------------------------------------------
3540 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3542 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3543 dnl misc/tabset install won't work properly. Usually this happens only when
3544 dnl using the fallback mkinstalldirs script
3545 AC_DEFUN([CF_PROG_INSTALL],
3551 CF_DIRNAME(cf_dir,$INSTALL)
3552 test -z "$cf_dir" && cf_dir=.
3553 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3557 dnl ---------------------------------------------------------------------------
3558 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3560 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3561 dnl option if it is supported.
3562 AC_DEFUN([CF_PROG_LN_S],[
3564 AC_MSG_CHECKING(if $LN_S -f options work)
3566 rm -f conf$$.src conf$$dst
3568 echo first >conf$$.src
3569 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3574 rm -f conf$$.dst conf$$src
3575 AC_MSG_RESULT($cf_prog_ln_sf)
3577 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3579 dnl ---------------------------------------------------------------------------
3580 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3581 dnl ----------------
3582 dnl Remove all -U and -D options that refer to the given symbol from a list
3583 dnl of C compiler options. This works around the problem that not all
3584 dnl compilers process -U and -D options from left-to-right, so a -U option
3585 dnl cannot be used to cancel the effect of a preceding -D option.
3587 dnl $1 = target (which could be the same as the source variable)
3588 dnl $2 = source (including '$')
3589 dnl $3 = symbol to remove
3590 define([CF_REMOVE_DEFINE],
3593 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3594 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3596 dnl ---------------------------------------------------------------------------
3597 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3599 dnl Remove the given library from the symbol
3601 dnl $1 = target (which could be the same as the source variable)
3602 dnl $2 = source (including '$')
3603 dnl $3 = library to remove
3604 define([CF_REMOVE_LIB],
3606 # remove $3 library from $2
3607 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3609 dnl ---------------------------------------------------------------------------
3610 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3611 dnl ---------------------
3612 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3613 dnl $1 = name of current macro
3614 define([CF_RESTORE_XTRA_FLAGS],
3616 LIBS="$cf_save_LIBS_$1"
3617 CFLAGS="$cf_save_CFLAGS_$1"
3618 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3620 dnl ---------------------------------------------------------------------------
3621 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3622 dnl ------------------
3623 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3624 dnl and libraries which do not update those variables.
3626 dnl $1 = name of current macro
3627 define([CF_SAVE_XTRA_FLAGS],
3629 cf_save_LIBS_$1="$LIBS"
3630 cf_save_CFLAGS_$1="$CFLAGS"
3631 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3632 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3633 for cf_X_CFLAGS in $X_CFLAGS
3635 case "x$cf_X_CFLAGS" in
3637 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3640 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3645 dnl ---------------------------------------------------------------------------
3646 dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
3649 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3653 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3654 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3655 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3656 dnl shared library since that can lead to unexpected results at runtime.
3657 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3658 dnl libraries are compiled in ../../lib
3660 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3661 dnl to install symbolic links to the rel/abi versions of shared libraries.
3663 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3664 dnl version when making symbolic links.
3666 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3667 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3668 dnl (ex: libncurses.so.<ver>).
3670 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3671 AC_DEFUN([CF_SHARED_OPTS],
3673 AC_REQUIRE([CF_LD_RPATH_OPT])
3679 INSTALL_LIB="-m 644"
3680 : ${rel_builddir:=.}
3688 cf_cv_do_symlinks=no
3690 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3692 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3693 AC_ARG_WITH(shlib-version,
3694 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3695 [test -z "$withval" && withval=auto
3698 cf_cv_shlib_version=auto
3701 cf_cv_shlib_version=$withval
3704 AC_MSG_RESULT($withval)
3705 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3708 ],[cf_cv_shlib_version=auto])
3709 AC_MSG_RESULT($cf_cv_shlib_version)
3714 # Some less-capable ports of gcc support only -fpic
3718 if test "$GCC" = yes
3722 case $cf_cv_system_name in
3723 (*linux*) # e.g., PGI compiler
3729 if test "$cf_try_fPIC" = yes
3731 AC_MSG_CHECKING(which $CC option to use)
3732 cf_save_CFLAGS="$CFLAGS"
3733 for CC_SHARED_OPTS in -fPIC -fpic ''
3735 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3736 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3738 AC_MSG_RESULT($CC_SHARED_OPTS)
3739 CFLAGS="$cf_save_CFLAGS"
3742 cf_cv_shlib_version_infix=no
3744 case $cf_cv_system_name in
3745 (aix4.[3-9]*|aix[[5-7]]*)
3746 if test "$GCC" = yes; then
3747 CC_SHARED_OPTS='-Wl,-brtl'
3748 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3750 CC_SHARED_OPTS='-brtl'
3751 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3752 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3756 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3760 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3761 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3762 cf_cv_shlib_version=cygdll
3763 cf_cv_shlib_version_infix=cygdll
3766 cat >mk_shared_lib.sh <<-CF_EOF
3769 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3772 Linking shared library
3773 ** SHARED_LIB \[$]SHARED_LIB
3774 ** IMPORT_LIB \[$]IMPORT_LIB
3776 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3778 chmod +x mk_shared_lib.sh
3782 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3783 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3784 cf_cv_shlib_version=msysdll
3785 cf_cv_shlib_version_infix=msysdll
3788 cat >mk_shared_lib.sh <<-CF_EOF
3791 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3794 Linking shared library
3795 ** SHARED_LIB \[$]SHARED_LIB
3796 ** IMPORT_LIB \[$]IMPORT_LIB
3798 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3800 chmod +x mk_shared_lib.sh
3803 cf_try_cflags="no-cpp-precomp"
3804 CC_SHARED_OPTS="-dynamic"
3805 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3806 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3807 cf_cv_shlib_version_infix=yes
3808 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3809 cf_save_LDFLAGS=$LDFLAGS
3810 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3811 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3812 LDFLAGS=$cf_save_LDFLAGS])
3813 if test $cf_cv_ldflags_search_paths_first = yes; then
3814 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3818 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3819 if test "$GCC" != yes; then
3822 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3823 INSTALL_LIB="-m 555"
3826 # (tested with gcc 2.7.2 -- I don't have c89)
3827 if test "$GCC" = yes; then
3828 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3831 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3833 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3834 # HP-UX shared libraries must be executable, and should be
3835 # readonly to exploit a quirk in the memory manager.
3836 INSTALL_LIB="-m 555"
3839 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3840 if test "$cf_cv_shlib_version" = rel; then
3841 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3843 cf_shared_soname='`basename $[@]`'
3846 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3849 if test "$cf_cv_enable_rpath" = yes ; then
3850 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3852 # tested with IRIX 5.2 and 'cc'.
3853 if test "$GCC" != yes; then
3854 CC_SHARED_OPTS='-KPIC'
3855 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3857 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3859 cf_cv_rm_so_locs=yes
3861 (linux*|gnu*|k*bsd*-gnu)
3862 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3863 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3864 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3866 if test "$cf_cv_enable_rpath" = yes ; then
3867 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3870 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3873 cf_cv_shlib_version=msvcdll
3874 cf_cv_shlib_version_infix=msvcdll
3877 if test "$DFT_LWR_MODEL" = "shared" ; then
3878 LOCAL_LDFLAGS="-link -dll"
3879 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3880 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3883 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3884 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3885 cat >mk_shared_lib.sh <<-CF_EOF
3888 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3893 Linking shared library
3894 ** SHARED LIB \$SHARED_LIB
3895 ** IMPORT_LIB \$IMPORT_LIB
3897 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3898 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3899 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3901 chmod +x mk_shared_lib.sh
3902 cat >mk_prog.sh <<-CF_EOF
3905 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3908 ldopts=("/subsystem:console")
3911 while test \[$]# -gt 0; do
3914 # ignore -link argument
3916 -M[[TD]] | -M[[TD]]d)
3917 # ignore runtime-library option
3932 libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3935 ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3941 for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3942 ldopts+=("\[$]{linkarg}")
3950 ldopts+=("-out:\[$]1")
3959 if [[ "\$isdll" -ne 0 ]]; then
3960 for lib in \[$]{libs[[*]]}; do
3961 ldopts+=("\[$]lib.dll.lib")
3964 for lib in \[$]{libs[[*]]}; do
3965 ldopts+=("\[$]lib.lib")
3970 ** ld options: "\[$]{ldopts[[@]]}"
3972 exec \[$]LD \[$]{ldopts[[@]]}
3975 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
3976 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
3979 cf_cv_shlib_version=mingw
3980 cf_cv_shlib_version_infix=mingw
3983 if test "$DFT_LWR_MODEL" = "shared" ; then
3984 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3985 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3986 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3989 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3990 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3991 cat >mk_shared_lib.sh <<-CF_EOF
3994 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3997 Linking shared library
3998 ** SHARED_LIB \[$]SHARED_LIB
3999 ** IMPORT_LIB \[$]IMPORT_LIB
4001 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
4003 chmod +x mk_shared_lib.sh
4005 (openbsd[[2-9]].*|mirbsd*)
4006 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4007 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4008 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4010 if test "$cf_cv_enable_rpath" = yes ; then
4011 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4013 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4015 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4019 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
4023 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
4025 (nto-qnx*|openbsd*|freebsd[[12]].*)
4026 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4027 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
4028 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4030 (dragonfly*|freebsd*)
4031 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4032 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4033 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4034 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
4035 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4038 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4041 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4042 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4043 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4044 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4045 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4046 if test "$cf_cv_shlib_version" = auto; then
4047 if test -f /usr/libexec/ld.elf_so; then
4048 cf_cv_shlib_version=abi
4050 cf_cv_shlib_version=rel
4054 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4056 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4060 # tested with OSF/1 V3.2 and 'cc'
4061 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4062 # link with shared libs).
4063 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4066 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4069 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4070 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4071 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4072 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4074 cf_cv_rm_so_locs=yes
4076 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
4077 # tested with osr5.0.5
4078 if test "$GCC" != yes; then
4079 CC_SHARED_OPTS='-belf -KPIC'
4081 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4082 if test "$cf_cv_enable_rpath" = yes ; then
4083 # only way is to set LD_RUN_PATH but no switch for it
4086 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4087 LINK_PROGS='LD_RUN_PATH=${libdir}'
4088 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4091 # tested with SunOS 4.1.1 and gcc 2.7.0
4092 if test "$GCC" != yes; then
4093 CC_SHARED_OPTS='-KPIC'
4095 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4096 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4099 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4100 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4101 if test "$DFT_LWR_MODEL" = "shared" ; then
4102 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4103 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4105 if test "$cf_cv_enable_rpath" = yes ; then
4106 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4109 if test "$GCC" != yes; then
4110 cf_save_CFLAGS="$CFLAGS"
4111 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4113 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4114 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
4116 CFLAGS="$cf_save_CFLAGS"
4117 CC_SHARED_OPTS=$cf_shared_opts
4118 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4120 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4123 (sysv5uw7*|unix_sv*)
4124 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4125 if test "$GCC" != yes; then
4126 CC_SHARED_OPTS='-KPIC'
4128 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4131 CC_SHARED_OPTS='unknown'
4132 MK_SHARED_LIB='echo unknown'
4136 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4137 case "$cf_cv_shlib_version" in
4139 case "$MK_SHARED_LIB" in
4141 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4144 AC_MSG_WARN(ignored --with-shlib-version)
4150 if test -n "$cf_try_cflags"
4152 cat > conftest.$ac_ext <<EOF
4153 #line __oline__ "${as_me:-configure}"
4155 int main(int argc, char *argv[[]])
4158 return (argv[[argc-1]] == 0) ;
4161 cf_save_CFLAGS="$CFLAGS"
4162 for cf_opt in $cf_try_cflags
4164 CFLAGS="$cf_save_CFLAGS -$cf_opt"
4165 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4166 if AC_TRY_EVAL(ac_compile); then
4168 cf_save_CFLAGS="$CFLAGS"
4173 CFLAGS="$cf_save_CFLAGS"
4177 # RPATH_LIST is a colon-separated list of directories
4178 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4179 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4181 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4183 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4184 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
4186 AC_SUBST(CC_SHARED_OPTS)
4187 AC_SUBST(LD_RPATH_OPT)
4188 AC_SUBST(LD_SHARED_OPTS)
4189 AC_SUBST(MK_SHARED_LIB)
4190 AC_SUBST(RM_SHARED_OPTS)
4192 AC_SUBST(LINK_PROGS)
4193 AC_SUBST(LINK_TESTS)
4195 AC_SUBST(EXTRA_LDFLAGS)
4196 AC_SUBST(LOCAL_LDFLAGS)
4197 AC_SUBST(LOCAL_LDFLAGS2)
4199 AC_SUBST(INSTALL_LIB)
4200 AC_SUBST(RPATH_LIST)
4202 dnl ---------------------------------------------------------------------------
4203 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4204 dnl ----------------
4205 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4206 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4209 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4210 dnl If missing, use "rel".
4211 define([CF_SHARED_SONAME],
4213 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4214 if test "$cf_cv_shlib_version" = rel; then
4215 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4217 cf_cv_shared_soname='`basename $[@]`'
4220 dnl ---------------------------------------------------------------------------
4221 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
4223 dnl Remove "-g" option from the compiler options
4224 AC_DEFUN([CF_STRIP_G_OPT],
4225 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
4226 dnl ---------------------------------------------------------------------------
4227 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4229 dnl Construct a search-list for a nonstandard header/lib-file
4230 dnl $1 = the variable to return as result
4231 dnl $2 = the package name
4232 dnl $3 = the subdirectory, e.g., bin, include or lib
4233 AC_DEFUN([CF_SUBDIR_PATH],
4237 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4239 for cf_subdir_prefix in \
4247 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4250 dnl ---------------------------------------------------------------------------
4251 dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
4253 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4254 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4255 dnl but some packagers change this, breaking various applications.
4256 AC_DEFUN([CF_TERM_HEADER],[
4257 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4258 case ${cf_cv_ncurses_header} in
4259 (*/ncurses.h|*/ncursesw.h)
4260 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4263 cf_term_header=term.h
4267 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4269 AC_TRY_COMPILE([#include <stdio.h>
4270 #include <${cf_cv_ncurses_header:-curses.h}>
4272 ],[int x = auto_left_margin; (void)x],[
4273 cf_cv_term_header="$cf_test"],[
4274 cf_cv_term_header=unknown
4276 test "$cf_cv_term_header" != unknown && break
4280 # Set definitions to allow ifdef'ing to accommodate subdirectories
4282 case $cf_cv_term_header in
4284 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4288 case $cf_cv_term_header in
4290 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4293 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4297 dnl ---------------------------------------------------------------------------
4298 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4300 dnl Define a top_builddir symbol, for applications that need an absolute path.
4301 AC_DEFUN([CF_TOP_BUILDDIR],
4303 top_builddir=ifelse($1,,`pwd`,$1)
4304 AC_SUBST(top_builddir)
4306 dnl ---------------------------------------------------------------------------
4307 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4308 dnl -------------------
4309 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4310 dnl can define it successfully.
4311 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4312 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4316 #include <sys/types.h>
4318 #ifndef _XOPEN_SOURCE
4321 [cf_cv_xopen_source=no],
4322 [cf_save="$CPPFLAGS"
4323 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4327 #include <sys/types.h>
4329 #ifdef _XOPEN_SOURCE
4332 [cf_cv_xopen_source=no],
4333 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4338 if test "$cf_cv_xopen_source" != no ; then
4339 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4340 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4341 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4342 CF_ADD_CFLAGS($cf_temp_xopen_source)
4345 dnl ---------------------------------------------------------------------------
4346 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4348 dnl Make an uppercase version of a variable
4349 dnl $1=uppercase($2)
4350 AC_DEFUN([CF_UPPER],
4352 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4354 dnl ---------------------------------------------------------------------------
4355 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4357 dnl Check for multibyte support, and if not found, utf8 compatibility library
4358 AC_DEFUN([CF_UTF8_LIB],
4360 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4361 cf_save_LIBS="$LIBS"
4363 #include <stdlib.h>],[putwc(0,0);],
4364 [cf_cv_utf8_lib=yes],
4366 #include <libutf8.h>],[putwc(0,0);],utf8,
4367 [cf_cv_utf8_lib=add-on],
4368 [cf_cv_utf8_lib=no])
4371 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4373 if test "$cf_cv_utf8_lib" = "add-on" ; then
4374 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4375 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4376 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4377 CF_ADD_LIBS($cf_cv_library_file_utf8)
4380 dnl ---------------------------------------------------------------------------
4381 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4383 dnl Use AC_VERBOSE w/o the warnings
4384 AC_DEFUN([CF_VERBOSE],
4385 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4388 dnl ---------------------------------------------------------------------------
4389 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4391 dnl Check for compiler-support for weak symbols.
4392 dnl This works with "recent" gcc.
4393 AC_DEFUN([CF_WEAK_SYMBOLS],[
4394 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4397 #include <stdio.h>],
4399 #if defined(__GNUC__)
4400 # if defined __USE_ISOC99
4401 # define _cat_pragma(exp) _Pragma(#exp)
4402 # define _weak_pragma(exp) _cat_pragma(weak name)
4404 # define _weak_pragma(exp)
4406 # define _declare(name) __extension__ extern __typeof__(name) name
4407 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4411 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4414 dnl ---------------------------------------------------------------------------
4415 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4416 dnl --------------------
4417 dnl Command-line option to specify the Ada95 compiler.
4418 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4419 AC_MSG_CHECKING(for ada-compiler)
4420 AC_ARG_WITH(ada-compiler,
4421 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4422 [cf_ada_compiler=$withval],
4423 [cf_ada_compiler=gnatmake])
4424 AC_SUBST(cf_ada_compiler)
4425 AC_MSG_RESULT($cf_ada_compiler)
4427 dnl ---------------------------------------------------------------------------
4428 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4429 dnl -------------------
4430 dnl Command-line option to specify where Ada includes will install.
4431 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4432 AC_MSG_CHECKING(for ada-include)
4433 CF_WITH_PATH(ada-include,
4434 [ --with-ada-include=DIR Ada includes are in DIR],
4436 PREFIX/share/ada/adainclude,
4437 [$]prefix/share/ada/adainclude)
4438 AC_SUBST(ADA_INCLUDE)
4439 AC_MSG_RESULT($ADA_INCLUDE)
4441 dnl ---------------------------------------------------------------------------
4442 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4443 dnl -------------------
4444 dnl CF_WITH_ADA_LIBNAME
4445 dnl -------------------
4446 dnl Command-line option to specify how to name the resulting Ada library.
4447 dnl $1 = default value
4448 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4449 AC_MSG_CHECKING(for ada-libname)
4450 AC_ARG_WITH(ada-libname,
4451 [ --with-ada-libname=XXX override default Ada library-name],
4452 ADA_LIBNAME=[$]withval,
4454 case "x$ADA_LIBNAME" in
4459 AC_SUBST(ADA_LIBNAME)
4460 AC_MSG_RESULT($ADA_LIBNAME)
4462 dnl ---------------------------------------------------------------------------
4463 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4464 dnl -------------------
4465 dnl Command-line option to specify where Ada objects will install.
4466 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4467 AC_MSG_CHECKING(for ada-objects)
4468 CF_WITH_PATH(ada-objects,
4469 [ --with-ada-objects=DIR Ada objects are in DIR],
4471 PREFIX/lib/ada/adalib,
4472 [$]prefix/lib/ada/adalib)
4473 AC_SUBST(ADA_OBJECTS)
4474 AC_MSG_RESULT($ADA_OBJECTS)
4476 dnl ---------------------------------------------------------------------------
4477 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4478 dnl ---------------------
4479 dnl Command-line option to specify if an Ada95 shared-library should be built,
4480 dnl and optionally what its soname should be.
4481 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4482 AC_REQUIRE([CF_GNAT_PROJECTS])
4483 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4484 AC_ARG_WITH(ada-sharedlib,
4485 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4486 [with_ada_sharedlib=$withval],
4487 [with_ada_sharedlib=no])
4488 AC_MSG_RESULT($with_ada_sharedlib)
4490 if test "x$with_ada_sharedlib" != xno
4492 if test "x$cf_gnat_projects" != xyes
4494 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4495 with_ada_sharedlib=no
4499 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4500 MAKE_ADA_SHAREDLIB="#"
4502 if test "x$with_ada_sharedlib" != xno
4505 if test "x$with_ada_sharedlib" != xyes
4507 ADA_SHAREDLIB="$with_ada_sharedlib"
4511 AC_SUBST(ADA_SHAREDLIB)
4512 AC_SUBST(MAKE_ADA_SHAREDLIB)
4514 dnl ---------------------------------------------------------------------------
4515 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
4516 dnl ------------------
4517 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4519 AC_DEFUN([CF_WITH_CURSES_DIR],[
4521 AC_MSG_CHECKING(for specific curses-directory)
4522 AC_ARG_WITH(curses-dir,
4523 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4524 [cf_cv_curses_dir=$withval],
4525 [cf_cv_curses_dir=no])
4526 AC_MSG_RESULT($cf_cv_curses_dir)
4528 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
4530 CF_PATH_SYNTAX(withval)
4531 if test -d "$cf_cv_curses_dir"
4533 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4534 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4538 dnl ---------------------------------------------------------------------------
4539 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4540 dnl ------------------
4541 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4542 dnl "lib" prefix, e.g., because it used the dll naming convention.
4544 dnl $1 = variable to set
4545 AC_DEFUN([CF_WITH_LIB_PREFIX],
4547 AC_MSG_CHECKING(if you want to have a library-prefix)
4548 AC_ARG_WITH(lib-prefix,
4549 [ --with-lib-prefix override library-prefix],
4550 [with_lib_prefix=$withval],
4551 [with_lib_prefix=auto])
4552 AC_MSG_RESULT($with_lib_prefix)
4554 if test $with_lib_prefix = auto
4557 elif test $with_lib_prefix = no
4561 LIB_PREFIX=$with_lib_prefix
4564 dnl ---------------------------------------------------------------------------
4565 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4567 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4568 dnl defaulting to yes/no.
4570 dnl $1 = option name
4572 dnl $3 = environment variable to set
4573 dnl $4 = default value, shown in the help-message, must be a constant
4574 dnl $5 = default value, if it's an expression & cannot be in the help-message
4576 AC_DEFUN([CF_WITH_PATH],
4577 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4578 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4579 if ifelse([$5],,true,[test -n "$5"]) ; then
4580 CF_PATH_SYNTAX(withval)
4585 dnl ---------------------------------------------------------------------------
4586 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4587 dnl -------------------------
4588 dnl Allow the choice of the pkg-config library directory to be overridden.
4589 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4593 AC_MSG_CHECKING(for pkg-config library directory)
4596 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4600 PKG_CONFIG_LIBDIR=no
4601 AC_ARG_WITH(pkg-config-libdir,
4602 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4603 [PKG_CONFIG_LIBDIR=$withval],
4604 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4606 case x$PKG_CONFIG_LIBDIR in
4610 # Look for the library directory using the same prefix as the executable
4611 if test "x$PKG_CONFIG" = xnone
4615 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4618 # If you don't like using the default architecture, you have to specify the
4619 # intended library directory and corresponding compiler/linker options.
4621 # This case allows for Debian's 2014-flavor of multiarch, along with the
4622 # most common variations before that point. Some other variants spell the
4623 # directory differently, e.g., "pkg-config", and put it in unusual places.
4624 # pkg-config has always been poorly standardized, which is ironic...
4625 case x`(arch) 2>/dev/null` in
4628 $cf_path/lib/*64-linux-gnu \
4636 $cf_path/lib/*-linux-gnu \
4645 for cf_config in $cf_search_path
4647 CF_VERBOSE(checking $cf_config/pkgconfig)
4648 if test -d $cf_config/pkgconfig
4650 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4651 AC_MSG_CHECKING(done)
4660 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4661 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4664 AC_SUBST(PKG_CONFIG_LIBDIR)
4666 dnl ---------------------------------------------------------------------------
4667 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4669 dnl Check for POSIX thread library.
4670 AC_DEFUN([CF_WITH_PTHREAD],
4672 AC_MSG_CHECKING(if you want to link with the pthread library)
4673 AC_ARG_WITH(pthread,
4674 [ --with-pthread use POSIX thread library],
4675 [with_pthread=$withval],
4677 AC_MSG_RESULT($with_pthread)
4679 if test "$with_pthread" != no ; then
4680 AC_CHECK_HEADER(pthread.h,[
4681 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4683 for cf_lib_pthread in pthread c_r
4685 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4686 cf_save_LIBS="$LIBS"
4687 CF_ADD_LIB($cf_lib_pthread)
4689 #include <pthread.h>
4691 int rc = pthread_create(0,0,0,0);
4692 int r2 = pthread_mutexattr_settype(0, 0);
4693 ],[with_pthread=yes],[with_pthread=no])
4694 LIBS="$cf_save_LIBS"
4695 AC_MSG_RESULT($with_pthread)
4696 test "$with_pthread" = yes && break
4699 if test "$with_pthread" = yes ; then
4700 CF_ADD_LIB($cf_lib_pthread)
4701 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4703 AC_MSG_ERROR(Cannot link with pthread library)
4708 dnl ---------------------------------------------------------------------------
4709 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4711 dnl For testing, override the derived host system-type which is used to decide
4712 dnl things such as the linker commands used to build shared libraries. This is
4713 dnl normally chosen automatically based on the type of system which you are
4714 dnl building on. We use it for testing the configure script.
4716 dnl This is different from the --host option: it is used only for testing parts
4717 dnl of the configure script which would not be reachable with --host since that
4718 dnl relies on the build environment being real, rather than mocked up.
4719 AC_DEFUN([CF_WITH_SYSTYPE],[
4720 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4721 AC_ARG_WITH(system-type,
4722 [ --with-system-type=XXX test: override derived host system-type],
4723 [AC_MSG_WARN(overriding system type to $withval)
4724 cf_cv_system_name=$withval
4728 dnl ---------------------------------------------------------------------------
4729 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4731 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4732 dnl or adapt to the vendor's definitions to get equivalent functionality,
4733 dnl without losing the common non-POSIX features.
4736 dnl $1 is the nominal value for _XOPEN_SOURCE
4737 dnl $2 is the nominal value for _POSIX_C_SOURCE
4738 AC_DEFUN([CF_XOPEN_SOURCE],[
4739 AC_REQUIRE([AC_CANONICAL_HOST])
4740 AC_REQUIRE([CF_POSIX_VISIBLE])
4742 if test "$cf_cv_posix_visible" = no; then
4744 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4745 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4750 cf_xopen_source="-D_ALL_SOURCE"
4756 cf_xopen_source="-D_APPLE_C_SOURCE"
4759 cf_xopen_source="-D_DARWIN_C_SOURCE"
4762 (freebsd*|dragonfly*|midnightbsd*)
4763 # 5.x headers associate
4764 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4765 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4766 cf_POSIX_C_SOURCE=200112L
4768 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4771 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4774 cf_xopen_source="-D_HPUX_SOURCE"
4777 cf_xopen_source="-D_SGI_SOURCE"
4780 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4781 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4784 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4787 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4789 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4792 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4795 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4796 cf_xopen_source="-D_BSD_SOURCE"
4800 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4803 cf_xopen_source="-D_OSF_SOURCE"
4806 cf_xopen_source="-D_QNX_SOURCE"
4809 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4812 cf_xopen_source="-D__EXTENSIONS__"
4813 cf_cv_xopen_source=broken
4815 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4821 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4825 if test -n "$cf_xopen_source" ; then
4826 CF_ADD_CFLAGS($cf_xopen_source,true)
4829 dnl In anything but the default case, we may have system-specific setting
4830 dnl which is still not guaranteed to provide all of the entrypoints that
4831 dnl _XOPEN_SOURCE would yield.
4832 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4833 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4834 AC_TRY_COMPILE([#include <stdlib.h>],[
4835 #ifndef _XOPEN_SOURCE
4838 [cf_XOPEN_SOURCE_set=yes],
4839 [cf_XOPEN_SOURCE_set=no])
4840 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4841 if test $cf_XOPEN_SOURCE_set = yes
4843 AC_TRY_COMPILE([#include <stdlib.h>],[
4844 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4847 [cf_XOPEN_SOURCE_set_ok=yes],
4848 [cf_XOPEN_SOURCE_set_ok=no])
4849 if test $cf_XOPEN_SOURCE_set_ok = no
4851 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4857 fi # cf_cv_posix_visible