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 1.162 2020/09/26 23:08:42 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: 3 updated: 2020/08/28 04:10:22
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])"
741 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
747 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
748 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
750 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
751 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
754 if test "x$CLANG_COMPILER" = "xyes" ; then
755 CF_APPEND_TEXT(CFLAGS,-Wno-error=implicit-function-declaration)
758 dnl ---------------------------------------------------------------------------
759 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
760 dnl -----------------
761 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
762 dnl character-strings.
764 dnl It is ambiguous because the specification accommodated the pre-ANSI
765 dnl compilers bundled by more than one vendor in lieu of providing a standard C
766 dnl compiler other than by costly add-ons. Because of this, the specification
767 dnl did not take into account the use of const for telling the compiler that
768 dnl string literals would be in readonly memory.
770 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
771 dnl let the compiler decide how to represent Xt's strings which were #define'd.
772 dnl That does not solve the problem of using the block of Xt's strings which
773 dnl are compiled into the library (and is less efficient than one might want).
775 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
776 dnl when compiling the library and compiling using the library, to tell the
777 dnl compiler that String is const.
778 AC_DEFUN([CF_CONST_X_STRING],
780 AC_REQUIRE([AC_PATH_XTRA])
782 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
787 #include <X11/Intrinsic.h>
789 [String foo = malloc(1); (void)foo],[
791 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
794 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
795 #undef XTSTRINGDEFINES /* X11R5 and later */
797 #include <X11/Intrinsic.h>
798 ],[String foo = malloc(1); *foo = 0],[
799 cf_cv_const_x_string=no
801 cf_cv_const_x_string=yes
805 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
807 case $cf_cv_const_x_string in
809 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
812 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
818 dnl ---------------------------------------------------------------------------
819 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
820 dnl -----------------
821 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
822 dnl character-strings.
824 dnl It is ambiguous because the specification accommodated the pre-ANSI
825 dnl compilers bundled by more than one vendor in lieu of providing a standard C
826 dnl compiler other than by costly add-ons. Because of this, the specification
827 dnl did not take into account the use of const for telling the compiler that
828 dnl string literals would be in readonly memory.
830 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
831 dnl let the compiler decide how to represent Xt's strings which were #define'd.
832 dnl That does not solve the problem of using the block of Xt's strings which
833 dnl are compiled into the library (and is less efficient than one might want).
835 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
836 dnl when compiling the library and compiling using the library, to tell the
837 dnl compiler that String is const.
838 AC_DEFUN([CF_CONST_X_STRING],
840 AC_REQUIRE([AC_PATH_XTRA])
842 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
847 #include <X11/Intrinsic.h>
849 [String foo = malloc(1); (void)foo],[
851 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
854 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
855 #undef XTSTRINGDEFINES /* X11R5 and later */
857 #include <X11/Intrinsic.h>
858 ],[String foo = malloc(1); *foo = 0],[
859 cf_cv_const_x_string=no
861 cf_cv_const_x_string=yes
865 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
867 case $cf_cv_const_x_string in
869 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
872 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
878 dnl ---------------------------------------------------------------------------
879 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
881 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
882 dnl variations of ncurses' installs.
884 dnl $1 = ncurses when looking for ncurses, or is empty
885 AC_DEFUN([CF_CURSES_HEADER],[
886 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
887 cf_cv_ncurses_header=none
889 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
890 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
892 AC_TRY_COMPILE([#include <${cf_header}>],
893 [initscr(); tgoto("?", 0,0)],
894 [cf_cv_ncurses_header=$cf_header; break],[])
898 if test "$cf_cv_ncurses_header" = none ; then
899 AC_MSG_ERROR(No curses header-files found)
902 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
903 AC_CHECK_HEADERS($cf_cv_ncurses_header)
905 dnl ---------------------------------------------------------------------------
906 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
908 dnl "dirname" is not portable, so we fake it with a shell script.
909 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
910 dnl ---------------------------------------------------------------------------
911 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
913 dnl You can always use "make -n" to see the actual options, but it's hard to
914 dnl pick out/analyze warning messages when the compile-line is long.
917 dnl ECHO_LT - symbol to control if libtool is verbose
918 dnl ECHO_LD - symbol to prefix "cc -o" lines
919 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
920 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
921 dnl ECHO_CC - symbol to put before any "cc" line
923 AC_DEFUN([CF_DISABLE_ECHO],[
924 AC_MSG_CHECKING(if you want to see long compiling messages)
926 [ --disable-echo do not display "compiling" commands],
929 ECHO_LD='@echo linking [$]@;'
930 RULE_CC='@echo compiling [$]<'
931 SHOW_CC='@echo compiling [$]@'
940 AC_MSG_RESULT($enableval)
947 dnl ---------------------------------------------------------------------------
948 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
949 dnl ------------------------
950 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
951 AC_MSG_CHECKING(if we want to use GNAT projects)
952 CF_ARG_DISABLE(gnat-projects,
953 [ --disable-gnat-projects test: disable GNAT projects even if usable],
954 [enable_gnat_projects=no],
955 [enable_gnat_projects=yes])
956 AC_MSG_RESULT($enable_gnat_projects)
958 dnl ---------------------------------------------------------------------------
959 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
960 dnl -----------------------
961 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
962 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
963 dnl an unconditional feature.
964 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
966 AC_MSG_CHECKING(if you want broken-linker support code)
967 AC_ARG_ENABLE(broken_linker,
968 [ --enable-broken_linker compile with broken-linker support code],
969 [with_broken_linker=$enableval],
970 [with_broken_linker=no])
971 AC_MSG_RESULT($with_broken_linker)
973 : ${BROKEN_LINKER:=0}
974 if test "x$with_broken_linker" = xyes ; then
975 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
978 AC_SUBST(BROKEN_LINKER)
980 dnl ---------------------------------------------------------------------------
981 dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
982 dnl ------------------
983 dnl Configure-option to enable gcc warnings
985 dnl $1 = extra options to add, if supported
986 dnl $2 = option for checking attributes. By default, this is done when
987 dnl warnings are enabled. For other values:
988 dnl yes: always do this, e.g., to use in generated library-headers
989 dnl no: never do this
990 AC_DEFUN([CF_ENABLE_WARNINGS],[
991 if ( test "$GCC" = yes || test "$GXX" = yes )
993 CF_FIX_WARNINGS(CFLAGS)
994 CF_FIX_WARNINGS(CPPFLAGS)
995 CF_FIX_WARNINGS(LDFLAGS)
996 AC_MSG_CHECKING(if you want to turn on gcc warnings)
997 CF_ARG_ENABLE(warnings,
998 [ --enable-warnings test: turn on gcc compiler warnings],
1001 AC_MSG_RESULT($with_warnings)
1002 if test "$with_warnings" = "yes"
1004 ifelse($2,,[CF_GCC_ATTRIBUTES])
1007 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
1010 dnl ---------------------------------------------------------------------------
1011 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1013 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1014 dnl prefer a standard location, and use -L options only if we do not find the
1015 dnl library in the standard library location(s).
1016 dnl $1 = library name
1017 dnl $2 = library class, usually the same as library name
1019 dnl $4 = code fragment to compile/link
1020 dnl $5 = corresponding function-name
1021 dnl $6 = flag, nonnull if failure should not cause an error-exit
1023 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1024 dnl to use a -L option.
1025 AC_DEFUN([CF_FIND_LIBRARY],
1027 eval 'cf_cv_have_lib_'$1'=no'
1030 eval 'cf_cv_have_lib_'$1'=yes',[
1031 cf_save_LIBS="$LIBS"
1032 AC_MSG_CHECKING(for $5 in -l$1)
1034 AC_TRY_LINK([$3],[$4],
1036 eval 'cf_cv_have_lib_'$1'=yes'
1039 CF_LIBRARY_PATH(cf_search,$2)
1040 for cf_libdir in $cf_search
1042 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1043 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1044 AC_TRY_LINK([$3],[$4],
1046 eval 'cf_cv_have_lib_'$1'=yes'
1049 LIBS="$cf_save_LIBS"])
1053 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1055 if test $cf_found_library = no ; then
1056 AC_MSG_ERROR(Cannot link $1 library)
1060 dnl ---------------------------------------------------------------------------
1061 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1063 dnl Find a library (specifically the linkage used in the code fragment),
1064 dnl searching for it if it is not already in the library path.
1065 dnl See also CF_ADD_SEARCHPATH.
1067 dnl Parameters (4-on are optional):
1068 dnl $1 = headers for library entrypoint
1069 dnl $2 = code fragment for library entrypoint
1070 dnl $3 = the library name without the "-l" option or ".so" suffix.
1071 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1072 dnl $5 = action to perform if not successful
1073 dnl $6 = module name, if not the same as the library name
1074 dnl $7 = extra libraries
1076 dnl Sets these variables:
1077 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1078 dnl $cf_cv_header_path_$3 - include-directory if needed
1079 dnl $cf_cv_library_path_$3 - library-directory if needed
1080 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1081 AC_DEFUN([CF_FIND_LINKAGE],[
1083 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1084 # will be set on completion of the AC_TRY_LINK below.
1085 cf_cv_header_path_$3=
1086 cf_cv_library_path_$3=
1088 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1090 cf_save_LIBS="$LIBS"
1092 AC_TRY_LINK([$1],[$2],[
1093 cf_cv_find_linkage_$3=yes
1094 cf_cv_header_path_$3=/usr/include
1095 cf_cv_library_path_$3=/usr/lib
1098 LIBS="-l$3 $7 $cf_save_LIBS"
1100 AC_TRY_LINK([$1],[$2],[
1101 cf_cv_find_linkage_$3=yes
1102 cf_cv_header_path_$3=/usr/include
1103 cf_cv_library_path_$3=/usr/lib
1104 cf_cv_library_file_$3="-l$3"
1106 cf_cv_find_linkage_$3=no
1107 LIBS="$cf_save_LIBS"
1109 CF_VERBOSE(find linkage for $3 library)
1110 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1112 cf_save_CPPFLAGS="$CPPFLAGS"
1113 cf_test_CPPFLAGS="$CPPFLAGS"
1115 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1116 for cf_cv_header_path_$3 in $cf_search
1118 if test -d $cf_cv_header_path_$3 ; then
1119 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1120 CPPFLAGS="$cf_save_CPPFLAGS"
1121 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1122 AC_TRY_COMPILE([$1],[$2],[
1123 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1124 cf_cv_find_linkage_$3=maybe
1125 cf_test_CPPFLAGS="$CPPFLAGS"
1127 CPPFLAGS="$cf_save_CPPFLAGS"
1132 if test "$cf_cv_find_linkage_$3" = maybe ; then
1134 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1136 cf_save_LIBS="$LIBS"
1137 cf_save_LDFLAGS="$LDFLAGS"
1140 CPPFLAGS="$cf_test_CPPFLAGS"
1141 LIBS="-l$3 $7 $cf_save_LIBS"
1142 AC_TRY_LINK([$1],[$2],[
1143 CF_VERBOSE(... found $3 library in system)
1144 cf_cv_find_linkage_$3=yes])
1145 CPPFLAGS="$cf_save_CPPFLAGS"
1146 LIBS="$cf_save_LIBS"
1149 if test "$cf_cv_find_linkage_$3" != yes ; then
1150 CF_LIBRARY_PATH(cf_search,$3)
1151 for cf_cv_library_path_$3 in $cf_search
1153 if test -d $cf_cv_library_path_$3 ; then
1154 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1155 CPPFLAGS="$cf_test_CPPFLAGS"
1156 LIBS="-l$3 $7 $cf_save_LIBS"
1157 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1158 AC_TRY_LINK([$1],[$2],[
1159 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1160 cf_cv_find_linkage_$3=yes
1161 cf_cv_library_file_$3="-l$3"
1163 CPPFLAGS="$cf_save_CPPFLAGS"
1164 LIBS="$cf_save_LIBS"
1165 LDFLAGS="$cf_save_LDFLAGS"
1169 CPPFLAGS="$cf_save_CPPFLAGS"
1170 LDFLAGS="$cf_save_LDFLAGS"
1174 cf_cv_find_linkage_$3=no
1179 LIBS="$cf_save_LIBS"
1181 if test "$cf_cv_find_linkage_$3" = yes ; then
1183 CF_ADD_INCDIR($cf_cv_header_path_$3)
1184 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1188 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1191 dnl ---------------------------------------------------------------------------
1192 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1193 dnl -----------------
1194 dnl make ADAFLAGS consistent with CFLAGS
1195 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1196 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1204 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1205 CF_ADD_ADAFLAGS($cf_O_flag)
1208 AC_MSG_RESULT($ADAFLAGS)
1210 dnl ---------------------------------------------------------------------------
1211 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
1213 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
1214 dnl "-Werror" flags can interfere with configure-checks. Those go into
1217 dnl $1 = variable name to repair
1218 define([CF_FIX_WARNINGS],[
1219 if ( test "$GCC" = yes || test "$GXX" = yes )
1223 CF_VERBOSE(repairing $1: [$]$1)
1225 for cf_temp_scan in [$]$1
1227 case "x$cf_temp_scan" in
1229 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
1232 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
1237 CF_VERBOSE(... fixed [$]$1)
1238 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1242 AC_SUBST(EXTRA_CFLAGS)
1244 dnl ---------------------------------------------------------------------------
1245 dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
1246 dnl -----------------
1247 dnl Test for availability of useful gcc __attribute__ directives to quiet
1248 dnl compiler warnings. Though useful, not all are supported -- and contrary
1249 dnl to documentation, unrecognized directives cause older compilers to barf.
1250 AC_DEFUN([CF_GCC_ATTRIBUTES],
1252 if ( test "$GCC" = yes || test "$GXX" = yes )
1254 cat > conftest.i <<EOF
1256 #define GCC_PRINTF 0
1261 #ifndef GCC_NORETURN
1262 #define GCC_NORETURN /* nothing */
1265 #define GCC_UNUSED /* nothing */
1268 if test "$GCC" = yes
1270 AC_CHECKING([for $CC __attribute__ directives])
1271 cat > conftest.$ac_ext <<EOF
1272 #line __oline__ "${as_me:-configure}"
1273 #include "confdefs.h"
1274 #include "conftest.h"
1275 #include "conftest.i"
1277 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1279 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1282 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1284 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1286 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1287 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1288 extern void foo(void) GCC_NORETURN;
1289 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1291 cf_printf_attribute=no
1292 cf_scanf_attribute=no
1293 for cf_attribute in scanf printf unused noreturn
1295 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1296 cf_directive="__attribute__(($cf_attribute))"
1297 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1299 case $cf_attribute in
1301 cf_printf_attribute=yes
1302 cat >conftest.h <<EOF
1303 #define GCC_$cf_ATTRIBUTE 1
1307 cf_scanf_attribute=yes
1308 cat >conftest.h <<EOF
1309 #define GCC_$cf_ATTRIBUTE 1
1313 cat >conftest.h <<EOF
1314 #define GCC_$cf_ATTRIBUTE $cf_directive
1319 if AC_TRY_EVAL(ac_compile); then
1320 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1321 cat conftest.h >>confdefs.h
1322 case $cf_attribute in
1324 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1327 cf_value='/* nothing */'
1328 if test "$cf_printf_attribute" != no ; then
1329 cf_value='__attribute__((format(printf,fmt,var)))'
1330 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1332 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1335 cf_value='/* nothing */'
1336 if test "$cf_scanf_attribute" != no ; then
1337 cf_value='__attribute__((format(scanf,fmt,var)))'
1338 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1340 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1343 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1349 fgrep define conftest.i >>confdefs.h
1354 dnl ---------------------------------------------------------------------------
1355 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1357 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1358 dnl compatible), attempt to determine if icc/clang is actually used.
1359 AC_DEFUN([CF_GCC_VERSION],[
1360 AC_REQUIRE([AC_PROG_CC])
1362 if test "$GCC" = yes ; then
1363 AC_MSG_CHECKING(version of $CC)
1364 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1365 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1366 AC_MSG_RESULT($GCC_VERSION)
1368 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1369 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1371 dnl ---------------------------------------------------------------------------
1372 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
1374 dnl Check if the compiler supports useful warning options. There's a few that
1375 dnl we don't use, simply because they're too noisy:
1377 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1378 dnl -Winline (usually not worthwhile)
1379 dnl -Wredundant-decls (system headers make this too noisy)
1380 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1381 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1382 dnl is enabled for ncurses using "--enable-const".
1386 dnl $1 is an optional list of gcc warning flags that a particular
1387 dnl application might want to use, e.g., "no-unused" for
1390 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1392 AC_DEFUN([CF_GCC_WARNINGS],
1394 AC_REQUIRE([CF_GCC_VERSION])
1395 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1396 cat > conftest.$ac_ext <<EOF
1397 #line __oline__ "${as_me:-configure}"
1398 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1400 if test "$INTEL_COMPILER" = yes
1402 # The "-wdXXX" options suppress warnings:
1403 # remark #1419: external declaration in primary source file
1404 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1405 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1406 # remark #193: zero used for undefined preprocessing identifier
1407 # remark #593: variable "curs_sb_left_arrow" was set but never used
1408 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1409 # remark #869: parameter "tw" was never referenced
1410 # remark #981: operands are evaluated in unspecified order
1411 # warning #279: controlling expression is constant
1413 AC_CHECKING([for $CC warning options])
1414 cf_save_CFLAGS="$CFLAGS"
1415 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1427 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1428 if AC_TRY_EVAL(ac_compile); then
1429 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1430 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1433 CFLAGS="$cf_save_CFLAGS"
1434 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1436 AC_CHECKING([for $CC warning options])
1437 cf_save_CFLAGS="$CFLAGS"
1439 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1440 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1441 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1442 for cf_opt in W Wall \
1443 Wbad-function-cast \
1446 Wdeclaration-after-statement \
1449 Wmissing-declarations \
1450 Wmissing-prototypes \
1454 Wstrict-prototypes \
1455 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1457 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1458 if AC_TRY_EVAL(ac_compile); then
1459 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1462 case $GCC_VERSION in
1464 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1469 case $GCC_VERSION in
1471 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1476 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1479 CFLAGS="$cf_save_CFLAGS"
1483 AC_SUBST(EXTRA_CFLAGS)
1485 dnl ---------------------------------------------------------------------------
1486 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1487 dnl -----------------
1488 AC_DEFUN([CF_GNATPREP_OPT_T],[
1489 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1490 cf_cv_gnatprep_opt_t=no
1491 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1493 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1494 AC_SUBST(GNATPREP_OPTS)
1496 dnl ---------------------------------------------------------------------------
1497 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
1498 dnl ----------------
1499 AC_DEFUN([CF_GNAT_GENERICS],
1501 AC_REQUIRE([CF_GNAT_VERSION])
1503 AC_MSG_CHECKING(if GNAT supports generics)
1504 case $cf_cv_gnat_version in
1505 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1506 cf_gnat_generics=yes
1512 AC_MSG_RESULT($cf_gnat_generics)
1514 if test "$cf_gnat_generics" = yes
1516 cf_compile_generics=generics
1517 cf_generic_objects="\${GENOBJS}"
1519 cf_compile_generics=
1523 AC_SUBST(cf_compile_generics)
1524 AC_SUBST(cf_generic_objects)
1526 dnl ---------------------------------------------------------------------------
1527 dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
1528 dnl ----------------
1529 dnl GNAT projects are configured with ".gpr" project files.
1530 dnl GNAT libraries are a further development, using the project feature.
1531 AC_DEFUN([CF_GNAT_PROJECTS],
1533 AC_REQUIRE([CF_GNAT_VERSION])
1534 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1536 cf_gnat_libraries=no
1539 if test "$enable_gnat_projects" != no ; then
1540 AC_MSG_CHECKING(if GNAT supports project files)
1541 case $cf_cv_gnat_version in
1545 case $cf_cv_system_name in
1549 rm -rf conftest* *~conftest*
1550 if mkdir conftest.src conftest.bin conftest.lib
1553 rm -rf conftest* *~conftest*
1554 cat >>library.gpr <<CF_EOF
1556 Kind := External ("LIB_KIND");
1557 for Library_Name use "ConfTest";
1558 for Object_Dir use ".";
1559 for Library_ALI_Dir use External("LIBRARY_DIR");
1560 for Library_Version use External ("SONAME");
1561 for Library_Kind use Kind;
1562 for Library_Dir use External("BUILD_DIR");
1563 Source_Dir := External ("SOURCE_DIR");
1564 for Source_Dirs use (Source_Dir);
1567 cat >>confpackage.ads <<CF_EOF
1568 package ConfPackage is
1572 cat >>confpackage.adb <<CF_EOF
1574 package body ConfPackage is
1575 procedure conftest is
1577 Text_IO.Put ("Hello World");
1582 if ( $cf_ada_make $ADAFLAGS \
1584 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1585 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1586 -XSOURCE_DIR=`pwd` \
1587 -XSONAME=libConfTest.so.1 \
1588 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1589 cf_gnat_projects=yes
1593 if test -f conftest.lib/confpackage.ali
1595 cf_gnat_libraries=yes
1597 rm -rf conftest* *~conftest*
1602 AC_MSG_RESULT($cf_gnat_projects)
1603 fi # enable_gnat_projects
1605 if test $cf_gnat_projects = yes
1607 AC_MSG_CHECKING(if GNAT supports libraries)
1608 AC_MSG_RESULT($cf_gnat_libraries)
1611 if test "$cf_gnat_projects" = yes
1613 USE_OLD_MAKERULES="#"
1614 USE_GNAT_PROJECTS=""
1616 USE_OLD_MAKERULES=""
1617 USE_GNAT_PROJECTS="#"
1620 if test "$cf_gnat_libraries" = yes
1622 USE_GNAT_LIBRARIES=""
1624 USE_GNAT_LIBRARIES="#"
1627 AC_SUBST(USE_OLD_MAKERULES)
1628 AC_SUBST(USE_GNAT_PROJECTS)
1629 AC_SUBST(USE_GNAT_LIBRARIES)
1631 dnl ---------------------------------------------------------------------------
1632 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1634 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1635 dnl is noted that gnat may compile a tasking unit even for configurations which
1636 dnl fail at runtime.
1637 AC_DEFUN([CF_GNAT_SIGINT],[
1638 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1639 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1643 pragma Warnings (Off); -- the next pragma exists since 3.11p
1644 pragma Unreserve_All_Interrupts;
1645 pragma Warnings (On);
1647 protected Process is
1649 function Continue return Boolean;
1650 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1652 Done : Boolean := False;
1656 [package body ConfTest is
1657 protected body Process is
1662 function Continue return Boolean is
1668 [cf_cv_gnat_sigint=yes],
1669 [cf_cv_gnat_sigint=no])])
1671 if test $cf_cv_gnat_sigint = yes ; then
1676 AC_SUBST(USE_GNAT_SIGINT)
1678 dnl ---------------------------------------------------------------------------
1679 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1680 dnl ----------------
1681 dnl Verify that a test program compiles/links with GNAT.
1682 dnl $cf_ada_make is set to the program that compiles/links
1683 dnl $ADAFLAGS may be set to the GNAT flags.
1685 dnl $1 is the text of the spec
1686 dnl $2 is the text of the body
1687 dnl $3 is the shell command to execute if successful
1688 dnl $4 is the shell command to execute if not successful
1689 AC_DEFUN([CF_GNAT_TRY_LINK],
1691 rm -rf conftest* *~conftest*
1692 cat >>conftest.ads <<CF_EOF
1695 cat >>conftest.adb <<CF_EOF
1698 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1699 ifelse($3,, :,[ $3])
1703 rm -rf conftest* *~conftest*
1705 dnl ---------------------------------------------------------------------------
1706 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1708 dnl Verify that a test program compiles and runs with GNAT
1709 dnl $cf_ada_make is set to the program that compiles/links
1710 dnl $ADAFLAGS may be set to the GNAT flags.
1712 dnl $1 is the text of the spec
1713 dnl $2 is the text of the body
1714 dnl $3 is the shell command to execute if successful
1715 dnl $4 is the shell command to execute if not successful
1716 AC_DEFUN([CF_GNAT_TRY_RUN],
1718 rm -rf conftest* *~conftest*
1719 cat >>conftest.ads <<CF_EOF
1722 cat >>conftest.adb <<CF_EOF
1725 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1726 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1727 ifelse($3,, :,[ $3])
1734 rm -rf conftest* *~conftest*
1736 dnl ---------------------------------------------------------------------------
1737 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1739 dnl $1 = cache variable to update
1740 dnl $2 = program name
1741 dnl Verify version of GNAT or related tool
1742 AC_DEFUN([CF_GNAT_VERSION],
1744 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1745 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1746 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1747 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1749 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1750 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1752 dnl ---------------------------------------------------------------------------
1753 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1755 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1756 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1757 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1758 dnl since it is interwoven with GNU extensions.
1760 dnl Well, yes we could work around it...
1763 dnl $1 is the nominal value for _XOPEN_SOURCE
1764 AC_DEFUN([CF_GNU_SOURCE],
1766 cf_gnu_xopen_source=ifelse($1,,500,$1)
1768 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1769 AC_TRY_COMPILE([#include <sys/types.h>],[
1770 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1772 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1775 # error not GNU C library
1777 [cf_cv_gnu_library=yes],
1778 [cf_cv_gnu_library=no])
1781 if test x$cf_cv_gnu_library = xyes; then
1783 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1784 # was changed to help a little. newlib incorporated the change about 4
1786 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1788 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1789 AC_TRY_COMPILE([#include <sys/types.h>],[
1790 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1792 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1795 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1797 [cf_cv_gnu_library_219=yes],
1798 [cf_cv_gnu_library_219=no])
1802 if test "x$cf_cv_gnu_library_219" = xyes; then
1804 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1805 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1808 #include <sys/types.h>
1810 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1813 # error GNU C library is too old
1815 [cf_cv_gnu_dftsrc_219=yes],
1816 [cf_cv_gnu_dftsrc_219=no])
1818 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1820 cf_cv_gnu_dftsrc_219=maybe
1823 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1825 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1826 AC_TRY_COMPILE([#include <sys/types.h>],[
1827 #ifndef _XOPEN_SOURCE
1828 #error expected _XOPEN_SOURCE to be defined
1830 [cf_cv_gnu_source=no],
1831 [cf_save="$CPPFLAGS"
1832 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1833 AC_TRY_COMPILE([#include <sys/types.h>],[
1834 #ifdef _XOPEN_SOURCE
1835 #error expected _XOPEN_SOURCE to be undefined
1837 [cf_cv_gnu_source=no],
1838 [cf_cv_gnu_source=yes])
1843 if test "$cf_cv_gnu_source" = yes
1845 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1846 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1847 AC_TRY_COMPILE([#include <sys/types.h>],[
1848 #ifdef _DEFAULT_SOURCE
1849 #error expected _DEFAULT_SOURCE to be undefined
1851 [cf_cv_default_source=no],
1852 [cf_cv_default_source=yes])
1854 if test "$cf_cv_default_source" = yes
1856 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1863 dnl ---------------------------------------------------------------------------
1864 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1866 dnl Construct a search-list of directories for a nonstandard header-file
1869 dnl $1 = the variable to return as result
1870 dnl $2 = the package name
1871 AC_DEFUN([CF_HEADER_PATH],
1875 # collect the current set of include-directories from compiler flags
1876 cf_header_path_list=""
1877 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1878 for cf_header_path in $CPPFLAGS $CFLAGS
1880 case $cf_header_path in
1882 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1883 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1884 cf_header_path_list="$cf_header_path_list [$]$1"
1890 # add the variations for the package we are looking for
1891 CF_SUBDIR_PATH($1,$2,include)
1893 test "$includedir" != NONE && \
1894 test "$includedir" != "/usr/include" && \
1895 test -d "$includedir" && {
1896 test -d $includedir && $1="[$]$1 $includedir"
1897 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1900 test "$oldincludedir" != NONE && \
1901 test "$oldincludedir" != "/usr/include" && \
1902 test -d "$oldincludedir" && {
1903 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1904 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1907 $1="[$]$1 $cf_header_path_list"
1909 dnl ---------------------------------------------------------------------------
1910 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1912 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1913 AC_DEFUN([CF_HELP_MESSAGE],
1914 [CF_ACVERSION_CHECK(2.53,[],[
1915 AC_DIVERT_HELP($1)])dnl
1917 dnl ---------------------------------------------------------------------------
1918 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1920 dnl Construct the list of include-options according to whether we're building
1921 dnl in the source directory or using '--srcdir=DIR' option.
1922 AC_DEFUN([CF_INCLUDE_DIRS],
1924 if test "$srcdir" != "."; then
1925 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1927 CPPFLAGS="-I../include $CPPFLAGS"
1928 if test "$srcdir" != "."; then
1929 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1931 CPPFLAGS="-I. $CPPFLAGS"
1934 dnl ---------------------------------------------------------------------------
1935 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1937 dnl prompt for/fill-in useful install-program options
1938 AC_DEFUN([CF_INSTALL_OPTS],
1944 dnl ---------------------------------------------------------------------------
1945 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1946 dnl ----------------
1947 dnl Almost all "install" programs default to the current user's ownership.
1948 dnl Almost - MINIX is an exception.
1949 AC_DEFUN([CF_INSTALL_OPT_O],
1951 AC_MSG_CHECKING(if install needs to be told about ownership)
1952 case `$ac_config_guess` in
1961 AC_MSG_RESULT($with_install_o)
1962 if test "x$with_install_o" = xyes
1964 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'`
1969 AC_SUBST(INSTALL_OPT_O)
1971 dnl ---------------------------------------------------------------------------
1972 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1973 dnl ----------------
1974 dnl Some install-programs accept a "-p" option to preserve file modification
1975 dnl timestamps. That can be useful as an install option, as well as a way to
1976 dnl avoid the need for ranlib after copying a static archive.
1977 AC_DEFUN([CF_INSTALL_OPT_P],
1979 : ${INSTALL:=install}
1980 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1985 if $INSTALL -p conftest.in conftest.out 2>/dev/null
1987 if test -f conftest.out/conftest.in
1989 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1990 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1991 if test -s conftest.err
2006 dnl ---------------------------------------------------------------------------
2007 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
2008 dnl ----------------
2009 dnl By default, we should strip executables which are installed, but leave the
2010 dnl ability to suppress that for unit-testing.
2011 AC_DEFUN([CF_INSTALL_OPT_S],
2013 AC_MSG_CHECKING(if you want to install stripped executables)
2014 CF_ARG_DISABLE(stripping,
2015 [ --disable-stripping do not strip (debug info) installed executables],
2016 [with_stripping=no],
2017 [with_stripping=yes])
2018 AC_MSG_RESULT($with_stripping)
2020 if test "$with_stripping" = yes
2026 AC_SUBST(INSTALL_OPT_S)
2028 dnl ---------------------------------------------------------------------------
2029 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2030 dnl -----------------
2031 dnl Check if the given compiler is really the Intel compiler for Linux. It
2032 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2033 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2035 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2036 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2037 dnl the wrappers for gcc and g++ warnings.
2039 dnl $1 = GCC (default) or GXX
2040 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2041 dnl $3 = CFLAGS (default) or CXXFLAGS
2042 AC_DEFUN([CF_INTEL_COMPILER],[
2043 AC_REQUIRE([AC_CANONICAL_HOST])
2044 ifelse([$2],,INTEL_COMPILER,[$2])=no
2046 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2049 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2050 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2051 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2053 #ifdef __INTEL_COMPILER
2057 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2058 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2060 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2061 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2066 dnl ---------------------------------------------------------------------------
2067 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2069 dnl Add checks for large file support.
2070 AC_DEFUN([CF_LARGEFILE],[
2071 ifdef([AC_FUNC_FSEEKO],[
2073 if test "$enable_largefile" != no ; then
2076 # Normally we would collect these definitions in the config.h,
2077 # but (like _XOPEN_SOURCE), some environments rely on having these
2078 # defined before any of the system headers are included. Another
2079 # case comes up with C++, e.g., on AIX the compiler compiles the
2080 # header files by themselves before looking at the body files it is
2081 # told to compile. For ncurses, those header files do not include
2083 if test "$ac_cv_sys_large_files" != no
2085 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2087 if test "$ac_cv_sys_largefile_source" != no
2089 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2091 if test "$ac_cv_sys_file_offset_bits" != no
2093 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2096 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2098 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2099 #include <sys/types.h>
2102 /* if transitional largefile support is setup, this is true */
2103 extern struct dirent64 * readdir(DIR *);
2104 struct dirent64 *x = readdir((DIR *)0);
2105 struct dirent *y = readdir((DIR *)0);
2109 [cf_cv_struct_dirent64=yes],
2110 [cf_cv_struct_dirent64=no])
2112 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2116 dnl ---------------------------------------------------------------------------
2117 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
2119 dnl For the given system and compiler, find the compiler flags to pass to the
2120 dnl loader to use the "rpath" feature.
2121 AC_DEFUN([CF_LD_RPATH_OPT],
2123 AC_REQUIRE([CF_CHECK_CACHE])
2126 if test "x$cf_cv_enable_rpath" != xno
2128 AC_MSG_CHECKING(for an rpath option)
2129 case $cf_cv_system_name in
2131 if test "$GCC" = yes; then
2132 LD_RPATH_OPT="-Wl,-rpath,"
2134 LD_RPATH_OPT="-rpath "
2137 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2138 LD_RPATH_OPT="-Wl,-rpath,"
2140 (openbsd[[2-9]].*|mirbsd*)
2141 LD_RPATH_OPT="-Wl,-rpath,"
2144 LD_RPATH_OPT="-rpath "
2147 LD_RPATH_OPT="-Wl,-rpath,"
2150 LD_RPATH_OPT="-rpath "
2158 AC_MSG_RESULT($LD_RPATH_OPT)
2160 case "x$LD_RPATH_OPT" in
2162 AC_MSG_CHECKING(if we need a space after rpath option)
2163 cf_save_LIBS="$LIBS"
2164 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2165 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2166 LIBS="$cf_save_LIBS"
2167 AC_MSG_RESULT($cf_rpath_space)
2168 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2173 dnl ---------------------------------------------------------------------------
2174 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2176 dnl Construct a search-list of directories for a nonstandard library-file
2179 dnl $1 = the variable to return as result
2180 dnl $2 = the package name
2181 AC_DEFUN([CF_LIBRARY_PATH],
2184 cf_library_path_list=""
2185 if test -n "${LDFLAGS}${LIBS}" ; then
2186 for cf_library_path in $LDFLAGS $LIBS
2188 case $cf_library_path in
2190 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2191 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2192 cf_library_path_list="$cf_library_path_list [$]$1"
2198 CF_SUBDIR_PATH($1,$2,lib)
2200 $1="$cf_library_path_list [$]$1"
2202 dnl ---------------------------------------------------------------------------
2203 dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
2205 dnl Compute the library-prefix for the given host system
2206 dnl $1 = variable to set
2207 define([CF_LIB_PREFIX],
2209 case $cf_cv_system_name in
2211 if test "$DFT_LWR_MODEL" = libtool; then
2220 (*) LIB_PREFIX='lib'
2223 ifelse($1,,,[$1=$LIB_PREFIX])
2224 AC_SUBST(LIB_PREFIX)
2226 dnl ---------------------------------------------------------------------------
2227 dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47
2229 dnl Compute the library file-suffix from the given model name
2231 dnl $2 = variable to set (the nominal library suffix)
2232 dnl $3 = dependency variable to set (actual filename)
2233 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2234 AC_DEFUN([CF_LIB_SUFFIX],
2242 case $cf_cv_system_name in
2253 case $cf_cv_system_name in
2264 case $cf_cv_system_name in
2273 (cygwin*|msys*|mingw*)
2311 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2313 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2314 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2317 dnl ---------------------------------------------------------------------------
2318 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2320 dnl Compute the string to append to -library from the given model name
2322 dnl $2 = variable to set
2323 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2324 AC_DEFUN([CF_LIB_TYPE],
2330 (profile) $2='_p' ;;
2333 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2335 dnl ---------------------------------------------------------------------------
2336 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2337 dnl ----------------
2338 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2339 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2340 dnl have to provide wrappers for global tables to ensure they're linked
2342 AC_DEFUN([CF_LINK_DATAONLY],
2344 AC_MSG_CHECKING([if data-only library module links])
2345 AC_CACHE_VAL(cf_cv_link_dataonly,[
2347 cat >conftest.$ac_ext <<EOF
2348 #line __oline__ "configure"
2349 int testdata[[3]] = { 123, 456, 789 };
2351 if AC_TRY_EVAL(ac_compile) ; then
2352 mv conftest.o data.o && \
2353 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2355 rm -f conftest.$ac_ext data.o
2356 cat >conftest.$ac_ext <<EOF
2357 #line __oline__ "configure"
2361 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2363 extern int testdata[[3]];
2364 return testdata[[0]] == 123
2365 && testdata[[1]] == 456
2366 && testdata[[2]] == 789;
2370 if AC_TRY_EVAL(ac_compile); then
2371 mv conftest.o func.o && \
2372 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2374 rm -f conftest.$ac_ext func.o
2375 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2377 LIBS="conftest.a $LIBS"
2381 extern int testfunc();
2382 ${cf_cv_main_return:-return} (!testfunc());
2385 [cf_cv_link_dataonly=yes],
2386 [cf_cv_link_dataonly=no],
2387 [cf_cv_link_dataonly=unknown])
2390 AC_MSG_RESULT($cf_cv_link_dataonly)
2392 if test "$cf_cv_link_dataonly" = no ; then
2393 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2396 AC_SUBST(BROKEN_LINKER)
2399 dnl ---------------------------------------------------------------------------
2400 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2402 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2403 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2404 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2405 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2406 AC_DEFUN([CF_MAKEFLAGS],
2408 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2410 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2412 cat >cf_makeflags.tmp <<CF_EOF
2415 @ echo '.$cf_option'
2417 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2418 case "$cf_result" in
2420 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2421 case "$cf_result" in
2422 (.*CC=*) cf_cv_makeflags=
2424 (*) cf_cv_makeflags=$cf_option
2432 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2436 rm -f cf_makeflags.tmp
2439 AC_SUBST(cf_cv_makeflags)
2441 dnl ---------------------------------------------------------------------------
2442 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2444 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2445 dnl a monocase filesystem.
2446 AC_DEFUN([CF_MAKE_TAGS],[
2447 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2449 AC_CHECK_PROGS(CTAGS, exctags ctags)
2450 AC_CHECK_PROGS(ETAGS, exetags etags)
2452 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2454 if test "$cf_cv_mixedcase" = yes ; then
2455 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2460 if test "$MAKE_UPPER_TAGS" = yes ; then
2466 if test "$MAKE_LOWER_TAGS" = yes ; then
2475 AC_SUBST(MAKE_UPPER_TAGS)
2476 AC_SUBST(MAKE_LOWER_TAGS)
2478 dnl ---------------------------------------------------------------------------
2479 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2480 dnl ----------------------
2481 dnl Check if the file-system supports mixed-case filenames. If we're able to
2482 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2483 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2485 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2486 if test "$cross_compiling" = yes ; then
2487 case $target_alias in
2488 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2496 rm -f conftest CONFTEST
2498 if test -f CONFTEST ; then
2503 rm -f conftest CONFTEST
2506 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2508 dnl ---------------------------------------------------------------------------
2509 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2511 dnl Check for a working mkstemp. This creates two files, checks that they are
2512 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2513 AC_DEFUN([CF_MKSTEMP],[
2517 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2520 #include <sys/types.h>
2521 #ifdef HAVE_UNISTD_H
2527 #include <sys/stat.h>
2530 char *tmpl = "conftestXXXXXX";
2538 for (n = 0; n < 2; ++n) {
2539 strcpy(name[n], tmpl);
2540 if ((fd = mkstemp(name[n])) >= 0) {
2541 if (!strcmp(name[n], tmpl)
2542 || stat(name[n], &sb) != 0
2543 || (sb.st_mode & S_IFMT) != S_IFREG
2544 || (sb.st_mode & 077) != 0) {
2551 && !strcmp(name[0], name[1]))
2553 ${cf_cv_main_return:-return}(result);
2555 ],[cf_cv_func_mkstemp=yes
2556 ],[cf_cv_func_mkstemp=no
2557 ],[cf_cv_func_mkstemp=maybe])
2559 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2560 AC_CHECK_FUNC(mkstemp)
2562 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2563 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2566 dnl ---------------------------------------------------------------------------
2567 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2569 dnl Write a debug message to config.log, along with the line number in the
2570 dnl configure script.
2571 AC_DEFUN([CF_MSG_LOG],[
2572 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2574 dnl ---------------------------------------------------------------------------
2575 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2576 dnl ----------------
2577 dnl Configure an ncurses add-on, built outside the ncurses tree.
2578 AC_DEFUN([CF_NCURSES_ADDON],[
2579 AC_REQUIRE([CF_NCURSES_CONFIG])
2581 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2583 AC_MSG_CHECKING(if you want wide-character code)
2584 AC_ARG_ENABLE(widec,
2585 [ --enable-widec compile with wide-char/UTF-8 code],
2586 [with_widec=$enableval],
2588 AC_MSG_RESULT($with_widec)
2589 if test "$with_widec" = yes ; then
2591 CF_NCURSES_CONFIG(ncursesw)
2593 CF_NCURSES_CONFIG(ncurses)
2596 if test "$NCURSES_CONFIG_PKG" != none ; then
2597 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2599 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2600 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2601 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2603 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2604 if test -z "$cf_cv_abi_version"
2606 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2609 elif test "$NCURSES_CONFIG" != none ; then
2611 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2613 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2614 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2615 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2617 # ABI version is not available from headers
2618 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2622 for cf_name in MAJOR MINOR PATCH
2624 cat >conftest.$ac_ext <<CF_EOF
2625 #include <${cf_cv_ncurses_header:-curses.h}>
2626 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2628 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2630 if test -f conftest.out ; then
2631 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2632 eval NCURSES_$cf_name=\"$cf_result\"
2633 # cat conftest.$ac_ext
2638 cf_cv_abi_version=${NCURSES_MAJOR}
2642 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2644 dnl Show the computed version, for logging
2645 cf_cv_timestamp=`date`
2647 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2649 dnl We need these values in the generated headers
2650 AC_SUBST(NCURSES_MAJOR)
2651 AC_SUBST(NCURSES_MINOR)
2652 AC_SUBST(NCURSES_PATCH)
2654 dnl We need these values in the generated makefiles
2655 AC_SUBST(cf_cv_rel_version)
2656 AC_SUBST(cf_cv_abi_version)
2658 dnl FIXME - not needed for Ada95
2659 AC_SUBST(cf_cv_builtin_bool)
2660 AC_SUBST(cf_cv_header_stdbool_h)
2661 AC_SUBST(cf_cv_type_of_bool)dnl
2664 dnl ---------------------------------------------------------------------------
2665 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2666 dnl -------------------
2667 dnl Check if we can compile with ncurses' header file
2668 dnl $1 is the cache variable to set
2669 dnl $2 is the header-file to include
2670 dnl $3 is the root name (ncurses or ncursesw)
2671 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2673 ]ifelse($3,ncursesw,[
2674 #define _XOPEN_SOURCE_EXTENDED
2675 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2676 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2679 #ifdef NCURSES_VERSION
2680 ]ifelse($3,ncursesw,[
2685 printf("%s\n", NCURSES_VERSION);
2697 dnl ---------------------------------------------------------------------------
2698 dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
2699 dnl -----------------
2700 dnl Tie together the configure-script macros for ncurses, preferring these in
2702 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2703 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2704 dnl c) just plain libraries
2706 dnl $1 is the root library name (default: "ncurses")
2707 AC_DEFUN([CF_NCURSES_CONFIG],[
2708 AC_REQUIRE([CF_PKG_CONFIG])
2709 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2710 cf_have_ncuconfig=no
2712 if test "x${PKG_CONFIG:=none}" != xnone; then
2713 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2714 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2717 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2718 cf_have_ncuconfig=unknown
2720 cf_save_CFLAGS="$CFLAGS"
2721 cf_save_CPPFLAGS="$CPPFLAGS"
2722 cf_save_LIBS="$LIBS"
2724 cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
2725 cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
2727 # while -W for passing linker flags is prevalent, it is not "standard".
2728 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2729 # incompatible _and_ non-standard -W option which gives an error. Work
2730 # around that pitfall.
2731 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2733 CF_ADD_CFLAGS($cf_pkg_cflags)
2734 CF_ADD_LIBS($cf_pkg_libs)
2736 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2737 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2738 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2740 { char *xx = curses_version(); return (xx == 0); }],
2741 [cf_test_ncuconfig=yes],
2742 [cf_test_ncuconfig=no],
2743 [cf_test_ncuconfig=maybe])],
2744 [cf_test_ncuconfig=no])
2746 CFLAGS="$cf_save_CFLAGS"
2747 CPPFLAGS="$cf_save_CPPFLAGS"
2748 LIBS="$cf_save_LIBS"
2750 if test "x$cf_test_ncuconfig" != xyes; then
2751 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2752 cf_pkg_cflags="$cf_temp"
2753 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2754 cf_pkg_libs="$cf_temp"
2759 CF_ADD_CFLAGS($cf_pkg_cflags)
2760 CF_ADD_LIBS($cf_pkg_libs)
2762 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2763 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2764 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2766 { char *xx = curses_version(); return (xx == 0); }],
2767 [cf_have_ncuconfig=yes],
2768 [cf_have_ncuconfig=no],
2769 [cf_have_ncuconfig=maybe])],
2770 [cf_have_ncuconfig=no])
2771 AC_MSG_RESULT($cf_have_ncuconfig)
2772 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2773 if test "$cf_have_ncuconfig" != "yes"
2775 CPPFLAGS="$cf_save_CPPFLAGS"
2776 LIBS="$cf_save_LIBS"
2777 NCURSES_CONFIG_PKG=none
2779 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2780 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2786 NCURSES_CONFIG_PKG=none
2789 NCURSES_CONFIG_PKG=none
2792 if test "x$cf_have_ncuconfig" = "xno"; then
2793 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2795 CF_ACVERSION_CHECK(2.52,
2796 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2797 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2799 if test "$NCURSES_CONFIG" != none ; then
2801 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2802 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2804 # even with config script, some packages use no-override for curses.h
2805 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2807 dnl like CF_NCURSES_CPPFLAGS
2808 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2810 dnl like CF_NCURSES_LIBS
2811 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2812 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2814 dnl like CF_NCURSES_VERSION
2815 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2819 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2820 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2827 dnl ---------------------------------------------------------------------------
2828 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2829 dnl -------------------
2830 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2831 dnl the CPPFLAGS variable so we can include its header.
2833 dnl The header files may be installed as either curses.h, or ncurses.h (would
2834 dnl be obsolete, except that some packagers prefer this name to distinguish it
2835 dnl from a "native" curses implementation). If not installed for overwrite,
2836 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2837 dnl /usr/include/ncurses), but someone may have installed overwriting the
2838 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2839 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2842 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2843 dnl is already in the include-path, don't even bother with this, since we cannot
2844 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2846 dnl The optional parameter gives the root name of the library, in case it is
2847 dnl not installed as the default curses library. That is how the
2848 dnl wide-character version of ncurses is installed.
2849 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2850 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2852 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2853 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2855 test -n "$cf_cv_curses_dir" && \
2856 test "$cf_cv_curses_dir" != "no" && { \
2857 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2860 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2861 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2862 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2863 for cf_header in $cf_header_list
2865 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2866 test "$cf_cv_ncurses_h" != no && break
2873 # some applications need this, but should check for NCURSES_VERSION
2874 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2878 dnl ---------------------------------------------------------------------------
2879 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2880 dnl -----------------
2881 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2882 dnl variations of ncurses' installs.
2884 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2885 AC_DEFUN([CF_NCURSES_HEADER],[
2887 if test "$cf_cv_ncurses_h" != no ; then
2888 cf_cv_ncurses_header=$cf_cv_ncurses_h
2891 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2892 test -n "$verbose" && echo
2893 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2894 test -n "$verbose" && echo search path $cf_search
2895 cf_save2_CPPFLAGS="$CPPFLAGS"
2896 for cf_incdir in $cf_search
2898 CF_ADD_INCDIR($cf_incdir)
2903 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2904 if test "$cf_cv_ncurses_h2" != no ; then
2905 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2906 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2909 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2911 CPPFLAGS="$cf_save2_CPPFLAGS"
2912 test "$cf_cv_ncurses_h2" != no && break
2914 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2917 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2918 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2919 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2920 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2922 CF_ADD_INCDIR($cf_1st_incdir)
2926 # Set definitions to allow ifdef'ing for ncurses.h
2928 case $cf_cv_ncurses_header in
2930 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2934 case $cf_cv_ncurses_header in
2935 (ncurses/curses.h|ncurses/ncurses.h)
2936 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2938 (ncursesw/curses.h|ncursesw/ncurses.h)
2939 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2944 dnl ---------------------------------------------------------------------------
2945 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2947 dnl Look for the ncurses library. This is a little complicated on Linux,
2948 dnl because it may be linked with the gpm (general purpose mouse) library.
2949 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2950 dnl unusable with ncurses. However, we don't want to link with gpm unless
2951 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2952 dnl and the linker will record a dependency.
2954 dnl The optional parameter gives the root name of the library, in case it is
2955 dnl not installed as the default curses library. That is how the
2956 dnl wide-character version of ncurses is installed.
2957 AC_DEFUN([CF_NCURSES_LIBS],
2958 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2960 cf_nculib_root=ifelse($1,,ncurses,$1)
2961 # This works, except for the special case where we find gpm, but
2962 # ncurses is in a nonstandard location via $LIBS, and we really want
2965 cf_ncurses_SAVE="$LIBS"
2966 AC_CHECK_LIB(gpm,Gpm_Open,
2967 [AC_CHECK_LIB(gpm,initscr,
2968 [LIBS="$cf_ncurses_SAVE"],
2969 [cf_ncurses_LIBS="-lgpm"])])
2973 # This is only necessary if you are linking against an obsolete
2974 # version of ncurses (but it should do no harm, since it's static).
2975 if test "$cf_nculib_root" = ncurses ; then
2976 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2981 CF_ADD_LIBS($cf_ncurses_LIBS)
2983 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2985 CF_ADD_LIBS(-l$cf_nculib_root)
2987 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2988 [#include <${cf_cv_ncurses_header:-curses.h}>],
2993 if test -n "$cf_ncurses_LIBS" ; then
2994 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2995 cf_ncurses_SAVE="$LIBS"
2996 for p in $cf_ncurses_LIBS ; do
2997 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2998 if test "$q" != "$LIBS" ; then
3002 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
3003 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
3004 [AC_MSG_RESULT(yes)],
3006 LIBS="$cf_ncurses_SAVE"])
3009 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3010 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3012 dnl ---------------------------------------------------------------------------
3013 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
3014 dnl ------------------
3015 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3016 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
3017 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3018 AC_DEFUN([CF_NCURSES_VERSION],
3020 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3021 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3022 cf_cv_ncurses_version=no
3026 #include <${cf_cv_ncurses_header:-curses.h}>
3030 FILE *fp = fopen("$cf_tempfile", "w");
3031 #ifdef NCURSES_VERSION
3032 # ifdef NCURSES_VERSION_PATCH
3033 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3035 fprintf(fp, "%s\n", NCURSES_VERSION);
3039 fprintf(fp, "old\n");
3044 ${cf_cv_main_return:-return}(0);
3046 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3048 # This will not work if the preprocessor splits the line after the
3049 # Autoconf token. The 'unproto' program does that.
3050 cat > conftest.$ac_ext <<EOF
3051 #include <${cf_cv_ncurses_header:-curses.h}>
3053 #ifdef NCURSES_VERSION
3054 Autoconf NCURSES_VERSION
3062 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3064 if test -f conftest.out ; then
3065 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
3066 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3072 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3074 dnl ---------------------------------------------------------------------------
3075 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
3077 dnl Compute the object-directory name from the given model name
3078 AC_DEFUN([CF_OBJ_SUBDIR],
3081 (libtool) $2='obj_lo' ;;
3082 (normal) $2='objects' ;;
3083 (debug) $2='obj_g' ;;
3084 (profile) $2='obj_p' ;;
3086 case $cf_cv_system_name in
3094 dnl ---------------------------------------------------------------------------
3095 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
3097 dnl Provide a value for the $PATH and similar separator (or amend the value
3098 dnl as provided in autoconf 2.5x).
3099 AC_DEFUN([CF_PATHSEP],
3101 AC_MSG_CHECKING(for PATH separator)
3102 case $cf_cv_system_name in
3103 (os2*) PATH_SEPARATOR=';' ;;
3104 (*) ${PATH_SEPARATOR:=':'} ;;
3106 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3107 AC_SUBST(PATH_SEPARATOR)
3108 AC_MSG_RESULT($PATH_SEPARATOR)
3110 dnl ---------------------------------------------------------------------------
3111 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
3113 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3114 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3115 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3116 dnl delayed evaluation of those symbols.
3117 AC_DEFUN([CF_PATH_SYNTAX],[
3118 if test "x$prefix" != xNONE; then
3119 cf_path_syntax="$prefix"
3121 cf_path_syntax="$ac_default_prefix"
3125 (.\[$]\(*\)*|.\'*\'*)
3129 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3131 (.\[$]{*prefix}*|.\[$]{*dir}*)
3135 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3140 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3143 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3147 dnl ---------------------------------------------------------------------------
3148 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
3150 dnl Check for the package-config program, unless disabled by command-line.
3151 AC_DEFUN([CF_PKG_CONFIG],
3153 AC_MSG_CHECKING(if you want to use pkg-config)
3154 AC_ARG_WITH(pkg-config,
3155 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3156 [cf_pkg_config=$withval],
3157 [cf_pkg_config=yes])
3158 AC_MSG_RESULT($cf_pkg_config)
3160 case $cf_pkg_config in
3165 CF_ACVERSION_CHECK(2.52,
3166 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3167 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3174 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3175 if test "$PKG_CONFIG" != none ; then
3176 CF_PATH_SYNTAX(PKG_CONFIG)
3177 elif test "x$cf_pkg_config" != xno ; then
3178 AC_MSG_WARN(pkg-config is not installed)
3181 AC_SUBST(PKG_CONFIG)
3183 dnl ---------------------------------------------------------------------------
3184 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3185 dnl -----------------
3186 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3188 dnl POSIX.1-1990 _POSIX_SOURCE
3189 dnl POSIX.1-1990 and _POSIX_SOURCE and
3190 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3192 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3193 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3194 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3197 dnl $1 is the nominal value for _POSIX_C_SOURCE
3198 AC_DEFUN([CF_POSIX_C_SOURCE],
3199 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3201 if test "$cf_cv_posix_visible" = no; then
3203 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3205 cf_save_CFLAGS="$CFLAGS"
3206 cf_save_CPPFLAGS="$CPPFLAGS"
3208 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3209 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3211 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3212 CF_MSG_LOG(if the symbol is already defined go no further)
3213 AC_TRY_COMPILE([#include <sys/types.h>],[
3214 #ifndef _POSIX_C_SOURCE
3217 [cf_cv_posix_c_source=no],
3218 [cf_want_posix_source=no
3219 case .$cf_POSIX_C_SOURCE in
3221 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3224 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3225 cf_want_posix_source=yes
3228 cf_want_posix_source=yes
3231 if test "$cf_want_posix_source" = yes ; then
3232 AC_TRY_COMPILE([#include <sys/types.h>],[
3233 #ifdef _POSIX_SOURCE
3236 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3238 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3239 CFLAGS="$cf_trim_CFLAGS"
3240 CPPFLAGS="$cf_trim_CPPFLAGS"
3241 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3242 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3243 AC_TRY_COMPILE([#include <sys/types.h>],[
3244 #ifndef _POSIX_C_SOURCE
3247 [cf_cv_posix_c_source=no])
3248 CFLAGS="$cf_save_CFLAGS"
3249 CPPFLAGS="$cf_save_CPPFLAGS"
3253 if test "$cf_cv_posix_c_source" != no ; then
3254 CFLAGS="$cf_trim_CFLAGS"
3255 CPPFLAGS="$cf_trim_CPPFLAGS"
3256 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3259 fi # cf_cv_posix_visible
3262 dnl ---------------------------------------------------------------------------
3263 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3264 dnl ----------------
3265 dnl POSIX documents test-macros which an application may set before any system
3266 dnl headers are included to make features available.
3268 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3269 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3270 dnl recent features visible in the system header files unless the application
3271 dnl overrides the corresponding test-macros. Doing that introduces portability
3274 dnl This macro makes a special check for the symbols used for this, to avoid a
3275 dnl conflicting definition.
3276 AC_DEFUN([CF_POSIX_VISIBLE],
3278 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3279 AC_TRY_COMPILE([#include <stdio.h>],[
3280 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3281 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3282 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3283 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3284 #error conflicting symbols found
3286 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3289 dnl ---------------------------------------------------------------------------
3290 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3292 dnl Check for archiver "ar".
3293 AC_DEFUN([CF_PROG_AR],[
3294 AC_CHECK_TOOL(AR, ar, ar)
3296 dnl ---------------------------------------------------------------------------
3297 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3299 dnl Check for awk, ensure that the check found something.
3300 AC_DEFUN([CF_PROG_AWK],
3303 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3305 dnl ---------------------------------------------------------------------------
3306 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3308 dnl standard check for CC, plus followup sanity checks
3309 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3310 AC_DEFUN([CF_PROG_CC],[
3311 CF_ACVERSION_CHECK(2.53,
3312 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3313 AC_REQUIRE([AC_PROG_CC])],
3315 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3317 CF_ACVERSION_CHECK(2.52,
3322 dnl ---------------------------------------------------------------------------
3323 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3325 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3326 dnl the output file can be renamed, and allows for a shell variable that can
3327 dnl be used later. The parameter is either CC or CXX. The result is the
3329 dnl $cf_cv_prog_CC_c_o
3330 dnl $cf_cv_prog_CXX_c_o
3333 dnl $2 = compiler options, if any
3334 AC_DEFUN([CF_PROG_CC_C_O],
3335 [AC_REQUIRE([AC_PROG_CC])dnl
3336 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3337 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3339 cat > conftest.$ac_ext <<CF_EOF
3342 ${cf_cv_main_return:-return}(0);
3345 # We do the test twice because some compilers refuse to overwrite an
3346 # existing .o file with -o, though they will create one.
3347 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3348 if AC_TRY_EVAL(ac_try) &&
3349 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3351 eval cf_cv_prog_$1_c_o=yes
3353 eval cf_cv_prog_$1_c_o=no
3357 if test $cf_cv_prog_$1_c_o = yes; then
3358 AC_MSG_RESULT([yes])
3363 dnl ---------------------------------------------------------------------------
3364 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3366 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3367 dnl This macro adds a check to ensure the script found something.
3368 AC_DEFUN([CF_PROG_EGREP],
3369 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3370 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3371 then ac_cv_prog_egrep='grep -E'
3372 else ac_cv_prog_egrep='egrep'
3374 EGREP=$ac_cv_prog_egrep
3376 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3378 dnl ---------------------------------------------------------------------------
3379 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3381 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3382 AC_DEFUN([CF_PROG_EXT],
3384 AC_REQUIRE([CF_CHECK_CACHE])
3385 case $cf_cv_system_name in
3387 CFLAGS="$CFLAGS -Zmt"
3388 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3389 CXXFLAGS="$CXXFLAGS -Zmt"
3390 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3391 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3401 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3403 dnl ---------------------------------------------------------------------------
3404 dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54
3406 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3407 AC_DEFUN([CF_PROG_GNAT],[
3408 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3410 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3412 unset ac_cv_path_cf_TEMP_gnat
3414 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3415 eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat
3417 if test "x$cf_TEMP_gnat" != xno; then
3418 unset cf_cv_gnat_version
3420 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3422 eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat
3425 unset cf_cv_gnat_version
3426 unset ac_cv_path_cf_TEMP_gnat
3429 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3431 cf_cv_prog_gnat_correct=no
3433 cf_ada_make=gnatmake
3434 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3435 # gprconfig is newer than gnatmake; we can continue...
3438 rm -rf conftest* *~conftest*
3439 if mkdir conftest.src
3443 for cf_gprconfig in Ada C
3445 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3446 if test $cf_gprconfig = C
3448 for cf_gprconfig_param in \
3449 $cf_gprconfig,,,,GNATGCC \
3450 $cf_gprconfig,,,,GCC \
3453 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3454 test -n "$cf_gprconfig_value" && break
3457 cf_gprconfig_param=$cf_gprconfig
3458 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3460 if test -n "$cf_gprconfig_value"
3462 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3463 AC_MSG_RESULT($cf_gprconfig_value)
3465 AC_MSG_RESULT(missing)
3471 rm -rf conftest* *~conftest*
3474 if test "x$cf_ada_config" != "x#"
3477 CF_CHECK_GNAT_VERSION
3478 AC_CHECK_PROG(M4_exists, m4, yes, no)
3479 if test "$ac_cv_prog_M4_exists" = no; then
3480 cf_cv_prog_gnat_correct=no
3481 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3483 if test "$cf_cv_prog_gnat_correct" = yes; then
3484 AC_MSG_CHECKING(if GNAT works)
3485 CF_GNAT_TRY_RUN([procedure conftest;],
3488 procedure conftest is
3490 Text_IO.Put ("Hello World");
3492 GNAT.OS_Lib.OS_Exit (0);
3494 [cf_cv_prog_gnat_correct=yes],
3495 [cf_cv_prog_gnat_correct=no])
3496 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3499 cf_cv_prog_gnat_correct=no
3503 AC_SUBST(cf_ada_make)
3504 AC_SUBST(cf_ada_config)
3505 AC_SUBST(cf_ada_config_Ada)
3506 AC_SUBST(cf_ada_config_C)
3508 dnl ---------------------------------------------------------------------------
3509 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3511 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3512 dnl misc/tabset install won't work properly. Usually this happens only when
3513 dnl using the fallback mkinstalldirs script
3514 AC_DEFUN([CF_PROG_INSTALL],
3520 CF_DIRNAME(cf_dir,$INSTALL)
3521 test -z "$cf_dir" && cf_dir=.
3522 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3526 dnl ---------------------------------------------------------------------------
3527 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3529 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3530 dnl option if it is supported.
3531 AC_DEFUN([CF_PROG_LN_S],[
3533 AC_MSG_CHECKING(if $LN_S -f options work)
3535 rm -f conf$$.src conf$$dst
3537 echo first >conf$$.src
3538 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3543 rm -f conf$$.dst conf$$src
3544 AC_MSG_RESULT($cf_prog_ln_sf)
3546 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3548 dnl ---------------------------------------------------------------------------
3549 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3550 dnl ----------------
3551 dnl Remove all -U and -D options that refer to the given symbol from a list
3552 dnl of C compiler options. This works around the problem that not all
3553 dnl compilers process -U and -D options from left-to-right, so a -U option
3554 dnl cannot be used to cancel the effect of a preceding -D option.
3556 dnl $1 = target (which could be the same as the source variable)
3557 dnl $2 = source (including '$')
3558 dnl $3 = symbol to remove
3559 define([CF_REMOVE_DEFINE],
3562 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3563 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3565 dnl ---------------------------------------------------------------------------
3566 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3568 dnl Remove the given library from the symbol
3570 dnl $1 = target (which could be the same as the source variable)
3571 dnl $2 = source (including '$')
3572 dnl $3 = library to remove
3573 define([CF_REMOVE_LIB],
3575 # remove $3 library from $2
3576 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3578 dnl ---------------------------------------------------------------------------
3579 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3580 dnl ---------------------
3581 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3582 dnl $1 = name of current macro
3583 define([CF_RESTORE_XTRA_FLAGS],
3585 LIBS="$cf_save_LIBS_$1"
3586 CFLAGS="$cf_save_CFLAGS_$1"
3587 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3589 dnl ---------------------------------------------------------------------------
3590 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3591 dnl ------------------
3592 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3593 dnl and libraries which do not update those variables.
3595 dnl $1 = name of current macro
3596 define([CF_SAVE_XTRA_FLAGS],
3598 cf_save_LIBS_$1="$LIBS"
3599 cf_save_CFLAGS_$1="$CFLAGS"
3600 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3601 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3602 for cf_X_CFLAGS in $X_CFLAGS
3604 case "x$cf_X_CFLAGS" in
3606 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3609 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3614 dnl ---------------------------------------------------------------------------
3615 dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
3618 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3622 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3623 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3624 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3625 dnl shared library since that can lead to unexpected results at runtime.
3626 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3627 dnl libraries are compiled in ../../lib
3629 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3630 dnl to install symbolic links to the rel/abi versions of shared libraries.
3632 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3633 dnl version when making symbolic links.
3635 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3636 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3637 dnl (ex: libncurses.so.<ver>).
3639 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3640 AC_DEFUN([CF_SHARED_OPTS],
3642 AC_REQUIRE([CF_LD_RPATH_OPT])
3648 INSTALL_LIB="-m 644"
3649 : ${rel_builddir:=.}
3657 cf_cv_do_symlinks=no
3659 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3661 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3662 AC_ARG_WITH(shlib-version,
3663 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3664 [test -z "$withval" && withval=auto
3667 cf_cv_shlib_version=auto
3670 cf_cv_shlib_version=$withval
3673 AC_MSG_RESULT($withval)
3674 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3677 ],[cf_cv_shlib_version=auto])
3678 AC_MSG_RESULT($cf_cv_shlib_version)
3683 # Some less-capable ports of gcc support only -fpic
3687 if test "$GCC" = yes
3691 case $cf_cv_system_name in
3692 (*linux*) # e.g., PGI compiler
3698 if test "$cf_try_fPIC" = yes
3700 AC_MSG_CHECKING(which $CC option to use)
3701 cf_save_CFLAGS="$CFLAGS"
3702 for CC_SHARED_OPTS in -fPIC -fpic ''
3704 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3705 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3707 AC_MSG_RESULT($CC_SHARED_OPTS)
3708 CFLAGS="$cf_save_CFLAGS"
3711 cf_cv_shlib_version_infix=no
3713 case $cf_cv_system_name in
3714 (aix4.[3-9]*|aix[[5-7]]*)
3715 if test "$GCC" = yes; then
3716 CC_SHARED_OPTS='-Wl,-brtl'
3717 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3719 CC_SHARED_OPTS='-brtl'
3720 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3721 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3725 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3729 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3730 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3731 cf_cv_shlib_version=cygdll
3732 cf_cv_shlib_version_infix=cygdll
3735 cat >mk_shared_lib.sh <<-CF_EOF
3738 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3741 Linking shared library
3742 ** SHARED_LIB \[$]SHARED_LIB
3743 ** IMPORT_LIB \[$]IMPORT_LIB
3745 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3747 chmod +x mk_shared_lib.sh
3751 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3752 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3753 cf_cv_shlib_version=msysdll
3754 cf_cv_shlib_version_infix=msysdll
3757 cat >mk_shared_lib.sh <<-CF_EOF
3760 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3763 Linking shared library
3764 ** SHARED_LIB \[$]SHARED_LIB
3765 ** IMPORT_LIB \[$]IMPORT_LIB
3767 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3769 chmod +x mk_shared_lib.sh
3772 cf_try_cflags="no-cpp-precomp"
3773 CC_SHARED_OPTS="-dynamic"
3774 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3775 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3776 cf_cv_shlib_version_infix=yes
3777 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3778 cf_save_LDFLAGS=$LDFLAGS
3779 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3780 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3781 LDFLAGS=$cf_save_LDFLAGS])
3782 if test $cf_cv_ldflags_search_paths_first = yes; then
3783 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3787 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3788 if test "$GCC" != yes; then
3791 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3792 INSTALL_LIB="-m 555"
3795 # (tested with gcc 2.7.2 -- I don't have c89)
3796 if test "$GCC" = yes; then
3797 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3800 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3802 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3803 # HP-UX shared libraries must be executable, and should be
3804 # readonly to exploit a quirk in the memory manager.
3805 INSTALL_LIB="-m 555"
3808 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3809 if test "$cf_cv_shlib_version" = rel; then
3810 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3812 cf_shared_soname='`basename $[@]`'
3815 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3818 if test "$cf_cv_enable_rpath" = yes ; then
3819 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3821 # tested with IRIX 5.2 and 'cc'.
3822 if test "$GCC" != yes; then
3823 CC_SHARED_OPTS='-KPIC'
3824 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3826 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3828 cf_cv_rm_so_locs=yes
3830 (linux*|gnu*|k*bsd*-gnu)
3831 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3832 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3833 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3835 if test "$cf_cv_enable_rpath" = yes ; then
3836 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3839 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3842 cf_cv_shlib_version=msvcdll
3843 cf_cv_shlib_version_infix=msvcdll
3846 if test "$DFT_LWR_MODEL" = "shared" ; then
3847 LOCAL_LDFLAGS="-link -dll"
3848 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3849 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3852 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3853 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3854 cat >mk_shared_lib.sh <<-CF_EOF
3857 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3862 Linking shared library
3863 ** SHARED LIB \$SHARED_LIB
3864 ** IMPORT_LIB \$IMPORT_LIB
3866 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3867 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3868 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3870 chmod +x mk_shared_lib.sh
3871 cat >mk_prog.sh <<-CF_EOF
3874 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3877 ldopts=("/subsystem:console")
3880 while test \[$]# -gt 0; do
3883 # ignore -link argument
3885 -M[[TD]] | -M[[TD]]d)
3886 # ignore runtime-library option
3901 libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3904 ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3910 for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3911 ldopts+=("\[$]{linkarg}")
3919 ldopts+=("-out:\[$]1")
3928 if [[ "\$isdll" -ne 0 ]]; then
3929 for lib in \[$]{libs[[*]]}; do
3930 ldopts+=("\[$]lib.dll.lib")
3933 for lib in \[$]{libs[[*]]}; do
3934 ldopts+=("\[$]lib.lib")
3939 ** ld options: "\[$]{ldopts[[@]]}"
3941 exec \[$]LD \[$]{ldopts[[@]]}
3944 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
3945 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
3948 cf_cv_shlib_version=mingw
3949 cf_cv_shlib_version_infix=mingw
3952 if test "$DFT_LWR_MODEL" = "shared" ; then
3953 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3954 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3955 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3958 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3959 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3960 cat >mk_shared_lib.sh <<-CF_EOF
3963 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3966 Linking shared library
3967 ** SHARED_LIB \[$]SHARED_LIB
3968 ** IMPORT_LIB \[$]IMPORT_LIB
3970 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3972 chmod +x mk_shared_lib.sh
3974 (openbsd[[2-9]].*|mirbsd*)
3975 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3976 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3977 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3979 if test "$cf_cv_enable_rpath" = yes ; then
3980 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3982 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3984 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3988 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
3992 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
3994 (nto-qnx*|openbsd*|freebsd[[12]].*)
3995 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3996 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3997 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3999 (dragonfly*|freebsd*)
4000 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4001 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4002 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4003 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
4004 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4007 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4010 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4011 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4012 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4013 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4014 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4015 if test "$cf_cv_shlib_version" = auto; then
4016 if test -f /usr/libexec/ld.elf_so; then
4017 cf_cv_shlib_version=abi
4019 cf_cv_shlib_version=rel
4023 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4025 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4029 # tested with OSF/1 V3.2 and 'cc'
4030 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4031 # link with shared libs).
4032 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4035 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4038 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4039 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4040 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4041 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4043 cf_cv_rm_so_locs=yes
4045 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
4046 # tested with osr5.0.5
4047 if test "$GCC" != yes; then
4048 CC_SHARED_OPTS='-belf -KPIC'
4050 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4051 if test "$cf_cv_enable_rpath" = yes ; then
4052 # only way is to set LD_RUN_PATH but no switch for it
4055 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4056 LINK_PROGS='LD_RUN_PATH=${libdir}'
4057 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4060 # tested with SunOS 4.1.1 and gcc 2.7.0
4061 if test "$GCC" != yes; then
4062 CC_SHARED_OPTS='-KPIC'
4064 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4065 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4068 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4069 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4070 if test "$DFT_LWR_MODEL" = "shared" ; then
4071 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4072 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4074 if test "$cf_cv_enable_rpath" = yes ; then
4075 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4078 if test "$GCC" != yes; then
4079 cf_save_CFLAGS="$CFLAGS"
4080 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4082 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4083 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
4085 CFLAGS="$cf_save_CFLAGS"
4086 CC_SHARED_OPTS=$cf_shared_opts
4087 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4089 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4092 (sysv5uw7*|unix_sv*)
4093 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4094 if test "$GCC" != yes; then
4095 CC_SHARED_OPTS='-KPIC'
4097 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4100 CC_SHARED_OPTS='unknown'
4101 MK_SHARED_LIB='echo unknown'
4105 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4106 case "$cf_cv_shlib_version" in
4108 case "$MK_SHARED_LIB" in
4110 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4113 AC_MSG_WARN(ignored --with-shlib-version)
4119 if test -n "$cf_try_cflags"
4121 cat > conftest.$ac_ext <<EOF
4122 #line __oline__ "${as_me:-configure}"
4124 int main(int argc, char *argv[[]])
4127 return (argv[[argc-1]] == 0) ;
4130 cf_save_CFLAGS="$CFLAGS"
4131 for cf_opt in $cf_try_cflags
4133 CFLAGS="$cf_save_CFLAGS -$cf_opt"
4134 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4135 if AC_TRY_EVAL(ac_compile); then
4137 cf_save_CFLAGS="$CFLAGS"
4142 CFLAGS="$cf_save_CFLAGS"
4146 # RPATH_LIST is a colon-separated list of directories
4147 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4148 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4150 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4152 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4153 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
4155 AC_SUBST(CC_SHARED_OPTS)
4156 AC_SUBST(LD_RPATH_OPT)
4157 AC_SUBST(LD_SHARED_OPTS)
4158 AC_SUBST(MK_SHARED_LIB)
4159 AC_SUBST(RM_SHARED_OPTS)
4161 AC_SUBST(LINK_PROGS)
4162 AC_SUBST(LINK_TESTS)
4164 AC_SUBST(EXTRA_LDFLAGS)
4165 AC_SUBST(LOCAL_LDFLAGS)
4166 AC_SUBST(LOCAL_LDFLAGS2)
4168 AC_SUBST(INSTALL_LIB)
4169 AC_SUBST(RPATH_LIST)
4171 dnl ---------------------------------------------------------------------------
4172 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4173 dnl ----------------
4174 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4175 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4178 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4179 dnl If missing, use "rel".
4180 define([CF_SHARED_SONAME],
4182 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4183 if test "$cf_cv_shlib_version" = rel; then
4184 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4186 cf_cv_shared_soname='`basename $[@]`'
4189 dnl ---------------------------------------------------------------------------
4190 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
4192 dnl Remove "-g" option from the compiler options
4193 AC_DEFUN([CF_STRIP_G_OPT],
4194 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
4195 dnl ---------------------------------------------------------------------------
4196 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4198 dnl Construct a search-list for a nonstandard header/lib-file
4199 dnl $1 = the variable to return as result
4200 dnl $2 = the package name
4201 dnl $3 = the subdirectory, e.g., bin, include or lib
4202 AC_DEFUN([CF_SUBDIR_PATH],
4206 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4208 for cf_subdir_prefix in \
4216 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4219 dnl ---------------------------------------------------------------------------
4220 dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
4222 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4223 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4224 dnl but some packagers change this, breaking various applications.
4225 AC_DEFUN([CF_TERM_HEADER],[
4226 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4227 case ${cf_cv_ncurses_header} in
4228 (*/ncurses.h|*/ncursesw.h)
4229 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4232 cf_term_header=term.h
4236 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4238 AC_TRY_COMPILE([#include <stdio.h>
4239 #include <${cf_cv_ncurses_header:-curses.h}>
4241 ],[int x = auto_left_margin; (void)x],[
4242 cf_cv_term_header="$cf_test"],[
4243 cf_cv_term_header=unknown
4245 test "$cf_cv_term_header" != unknown && break
4249 # Set definitions to allow ifdef'ing to accommodate subdirectories
4251 case $cf_cv_term_header in
4253 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4257 case $cf_cv_term_header in
4259 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4262 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4266 dnl ---------------------------------------------------------------------------
4267 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4269 dnl Define a top_builddir symbol, for applications that need an absolute path.
4270 AC_DEFUN([CF_TOP_BUILDDIR],
4272 top_builddir=ifelse($1,,`pwd`,$1)
4273 AC_SUBST(top_builddir)
4275 dnl ---------------------------------------------------------------------------
4276 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4277 dnl -------------------
4278 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4279 dnl can define it successfully.
4280 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4281 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4285 #include <sys/types.h>
4287 #ifndef _XOPEN_SOURCE
4290 [cf_cv_xopen_source=no],
4291 [cf_save="$CPPFLAGS"
4292 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4296 #include <sys/types.h>
4298 #ifdef _XOPEN_SOURCE
4301 [cf_cv_xopen_source=no],
4302 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4307 if test "$cf_cv_xopen_source" != no ; then
4308 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4309 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4310 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4311 CF_ADD_CFLAGS($cf_temp_xopen_source)
4314 dnl ---------------------------------------------------------------------------
4315 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4317 dnl Make an uppercase version of a variable
4318 dnl $1=uppercase($2)
4319 AC_DEFUN([CF_UPPER],
4321 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4323 dnl ---------------------------------------------------------------------------
4324 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4326 dnl Check for multibyte support, and if not found, utf8 compatibility library
4327 AC_DEFUN([CF_UTF8_LIB],
4329 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4330 cf_save_LIBS="$LIBS"
4332 #include <stdlib.h>],[putwc(0,0);],
4333 [cf_cv_utf8_lib=yes],
4335 #include <libutf8.h>],[putwc(0,0);],utf8,
4336 [cf_cv_utf8_lib=add-on],
4337 [cf_cv_utf8_lib=no])
4340 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4342 if test "$cf_cv_utf8_lib" = "add-on" ; then
4343 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4344 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4345 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4346 CF_ADD_LIBS($cf_cv_library_file_utf8)
4349 dnl ---------------------------------------------------------------------------
4350 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4352 dnl Use AC_VERBOSE w/o the warnings
4353 AC_DEFUN([CF_VERBOSE],
4354 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4357 dnl ---------------------------------------------------------------------------
4358 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4360 dnl Check for compiler-support for weak symbols.
4361 dnl This works with "recent" gcc.
4362 AC_DEFUN([CF_WEAK_SYMBOLS],[
4363 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4366 #include <stdio.h>],
4368 #if defined(__GNUC__)
4369 # if defined __USE_ISOC99
4370 # define _cat_pragma(exp) _Pragma(#exp)
4371 # define _weak_pragma(exp) _cat_pragma(weak name)
4373 # define _weak_pragma(exp)
4375 # define _declare(name) __extension__ extern __typeof__(name) name
4376 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4380 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4383 dnl ---------------------------------------------------------------------------
4384 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4385 dnl --------------------
4386 dnl Command-line option to specify the Ada95 compiler.
4387 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4388 AC_MSG_CHECKING(for ada-compiler)
4389 AC_ARG_WITH(ada-compiler,
4390 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4391 [cf_ada_compiler=$withval],
4392 [cf_ada_compiler=gnatmake])
4393 AC_SUBST(cf_ada_compiler)
4394 AC_MSG_RESULT($cf_ada_compiler)
4396 dnl ---------------------------------------------------------------------------
4397 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4398 dnl -------------------
4399 dnl Command-line option to specify where Ada includes will install.
4400 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4401 AC_MSG_CHECKING(for ada-include)
4402 CF_WITH_PATH(ada-include,
4403 [ --with-ada-include=DIR Ada includes are in DIR],
4405 PREFIX/share/ada/adainclude,
4406 [$]prefix/share/ada/adainclude)
4407 AC_SUBST(ADA_INCLUDE)
4408 AC_MSG_RESULT($ADA_INCLUDE)
4410 dnl ---------------------------------------------------------------------------
4411 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4412 dnl -------------------
4413 dnl CF_WITH_ADA_LIBNAME
4414 dnl -------------------
4415 dnl Command-line option to specify how to name the resulting Ada library.
4416 dnl $1 = default value
4417 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4418 AC_MSG_CHECKING(for ada-libname)
4419 AC_ARG_WITH(ada-libname,
4420 [ --with-ada-libname=XXX override default Ada library-name],
4421 ADA_LIBNAME=[$]withval,
4423 case "x$ADA_LIBNAME" in
4428 AC_SUBST(ADA_LIBNAME)
4429 AC_MSG_RESULT($ADA_LIBNAME)
4431 dnl ---------------------------------------------------------------------------
4432 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4433 dnl -------------------
4434 dnl Command-line option to specify where Ada objects will install.
4435 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4436 AC_MSG_CHECKING(for ada-objects)
4437 CF_WITH_PATH(ada-objects,
4438 [ --with-ada-objects=DIR Ada objects are in DIR],
4440 PREFIX/lib/ada/adalib,
4441 [$]prefix/lib/ada/adalib)
4442 AC_SUBST(ADA_OBJECTS)
4443 AC_MSG_RESULT($ADA_OBJECTS)
4445 dnl ---------------------------------------------------------------------------
4446 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4447 dnl ---------------------
4448 dnl Command-line option to specify if an Ada95 shared-library should be built,
4449 dnl and optionally what its soname should be.
4450 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4451 AC_REQUIRE([CF_GNAT_PROJECTS])
4452 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4453 AC_ARG_WITH(ada-sharedlib,
4454 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4455 [with_ada_sharedlib=$withval],
4456 [with_ada_sharedlib=no])
4457 AC_MSG_RESULT($with_ada_sharedlib)
4459 if test "x$with_ada_sharedlib" != xno
4461 if test "x$cf_gnat_projects" != xyes
4463 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4464 with_ada_sharedlib=no
4468 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4469 MAKE_ADA_SHAREDLIB="#"
4471 if test "x$with_ada_sharedlib" != xno
4474 if test "x$with_ada_sharedlib" != xyes
4476 ADA_SHAREDLIB="$with_ada_sharedlib"
4480 AC_SUBST(ADA_SHAREDLIB)
4481 AC_SUBST(MAKE_ADA_SHAREDLIB)
4483 dnl ---------------------------------------------------------------------------
4484 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
4485 dnl ------------------
4486 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4488 AC_DEFUN([CF_WITH_CURSES_DIR],[
4490 AC_MSG_CHECKING(for specific curses-directory)
4491 AC_ARG_WITH(curses-dir,
4492 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4493 [cf_cv_curses_dir=$withval],
4494 [cf_cv_curses_dir=no])
4495 AC_MSG_RESULT($cf_cv_curses_dir)
4497 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
4499 CF_PATH_SYNTAX(withval)
4500 if test -d "$cf_cv_curses_dir"
4502 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4503 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4507 dnl ---------------------------------------------------------------------------
4508 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4509 dnl ------------------
4510 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4511 dnl "lib" prefix, e.g., because it used the dll naming convention.
4513 dnl $1 = variable to set
4514 AC_DEFUN([CF_WITH_LIB_PREFIX],
4516 AC_MSG_CHECKING(if you want to have a library-prefix)
4517 AC_ARG_WITH(lib-prefix,
4518 [ --with-lib-prefix override library-prefix],
4519 [with_lib_prefix=$withval],
4520 [with_lib_prefix=auto])
4521 AC_MSG_RESULT($with_lib_prefix)
4523 if test $with_lib_prefix = auto
4526 elif test $with_lib_prefix = no
4530 LIB_PREFIX=$with_lib_prefix
4533 dnl ---------------------------------------------------------------------------
4534 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4536 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4537 dnl defaulting to yes/no.
4539 dnl $1 = option name
4541 dnl $3 = environment variable to set
4542 dnl $4 = default value, shown in the help-message, must be a constant
4543 dnl $5 = default value, if it's an expression & cannot be in the help-message
4545 AC_DEFUN([CF_WITH_PATH],
4546 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4547 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4548 if ifelse([$5],,true,[test -n "$5"]) ; then
4549 CF_PATH_SYNTAX(withval)
4554 dnl ---------------------------------------------------------------------------
4555 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4556 dnl -------------------------
4557 dnl Allow the choice of the pkg-config library directory to be overridden.
4558 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4562 AC_MSG_CHECKING(for pkg-config library directory)
4565 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4569 PKG_CONFIG_LIBDIR=no
4570 AC_ARG_WITH(pkg-config-libdir,
4571 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4572 [PKG_CONFIG_LIBDIR=$withval],
4573 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4575 case x$PKG_CONFIG_LIBDIR in
4579 # Look for the library directory using the same prefix as the executable
4580 if test "x$PKG_CONFIG" = xnone
4584 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4587 # If you don't like using the default architecture, you have to specify the
4588 # intended library directory and corresponding compiler/linker options.
4590 # This case allows for Debian's 2014-flavor of multiarch, along with the
4591 # most common variations before that point. Some other variants spell the
4592 # directory differently, e.g., "pkg-config", and put it in unusual places.
4593 # pkg-config has always been poorly standardized, which is ironic...
4594 case x`(arch) 2>/dev/null` in
4597 $cf_path/lib/*64-linux-gnu \
4605 $cf_path/lib/*-linux-gnu \
4614 for cf_config in $cf_search_path
4616 CF_VERBOSE(checking $cf_config/pkgconfig)
4617 if test -d $cf_config/pkgconfig
4619 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4620 AC_MSG_CHECKING(done)
4629 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4630 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4633 AC_SUBST(PKG_CONFIG_LIBDIR)
4635 dnl ---------------------------------------------------------------------------
4636 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4638 dnl Check for POSIX thread library.
4639 AC_DEFUN([CF_WITH_PTHREAD],
4641 AC_MSG_CHECKING(if you want to link with the pthread library)
4642 AC_ARG_WITH(pthread,
4643 [ --with-pthread use POSIX thread library],
4644 [with_pthread=$withval],
4646 AC_MSG_RESULT($with_pthread)
4648 if test "$with_pthread" != no ; then
4649 AC_CHECK_HEADER(pthread.h,[
4650 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4652 for cf_lib_pthread in pthread c_r
4654 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4655 cf_save_LIBS="$LIBS"
4656 CF_ADD_LIB($cf_lib_pthread)
4658 #include <pthread.h>
4660 int rc = pthread_create(0,0,0,0);
4661 int r2 = pthread_mutexattr_settype(0, 0);
4662 ],[with_pthread=yes],[with_pthread=no])
4663 LIBS="$cf_save_LIBS"
4664 AC_MSG_RESULT($with_pthread)
4665 test "$with_pthread" = yes && break
4668 if test "$with_pthread" = yes ; then
4669 CF_ADD_LIB($cf_lib_pthread)
4670 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4672 AC_MSG_ERROR(Cannot link with pthread library)
4677 dnl ---------------------------------------------------------------------------
4678 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4680 dnl For testing, override the derived host system-type which is used to decide
4681 dnl things such as the linker commands used to build shared libraries. This is
4682 dnl normally chosen automatically based on the type of system which you are
4683 dnl building on. We use it for testing the configure script.
4685 dnl This is different from the --host option: it is used only for testing parts
4686 dnl of the configure script which would not be reachable with --host since that
4687 dnl relies on the build environment being real, rather than mocked up.
4688 AC_DEFUN([CF_WITH_SYSTYPE],[
4689 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4690 AC_ARG_WITH(system-type,
4691 [ --with-system-type=XXX test: override derived host system-type],
4692 [AC_MSG_WARN(overriding system type to $withval)
4693 cf_cv_system_name=$withval
4697 dnl ---------------------------------------------------------------------------
4698 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4700 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4701 dnl or adapt to the vendor's definitions to get equivalent functionality,
4702 dnl without losing the common non-POSIX features.
4705 dnl $1 is the nominal value for _XOPEN_SOURCE
4706 dnl $2 is the nominal value for _POSIX_C_SOURCE
4707 AC_DEFUN([CF_XOPEN_SOURCE],[
4708 AC_REQUIRE([AC_CANONICAL_HOST])
4709 AC_REQUIRE([CF_POSIX_VISIBLE])
4711 if test "$cf_cv_posix_visible" = no; then
4713 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4714 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4719 cf_xopen_source="-D_ALL_SOURCE"
4725 cf_xopen_source="-D_APPLE_C_SOURCE"
4728 cf_xopen_source="-D_DARWIN_C_SOURCE"
4731 (freebsd*|dragonfly*|midnightbsd*)
4732 # 5.x headers associate
4733 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4734 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4735 cf_POSIX_C_SOURCE=200112L
4737 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4740 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4743 cf_xopen_source="-D_HPUX_SOURCE"
4746 cf_xopen_source="-D_SGI_SOURCE"
4749 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4750 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4753 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4756 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4758 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4761 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4764 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4765 cf_xopen_source="-D_BSD_SOURCE"
4769 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4772 cf_xopen_source="-D_OSF_SOURCE"
4775 cf_xopen_source="-D_QNX_SOURCE"
4778 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4781 cf_xopen_source="-D__EXTENSIONS__"
4782 cf_cv_xopen_source=broken
4784 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4790 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4794 if test -n "$cf_xopen_source" ; then
4795 CF_ADD_CFLAGS($cf_xopen_source,true)
4798 dnl In anything but the default case, we may have system-specific setting
4799 dnl which is still not guaranteed to provide all of the entrypoints that
4800 dnl _XOPEN_SOURCE would yield.
4801 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4802 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4803 AC_TRY_COMPILE([#include <stdlib.h>],[
4804 #ifndef _XOPEN_SOURCE
4807 [cf_XOPEN_SOURCE_set=yes],
4808 [cf_XOPEN_SOURCE_set=no])
4809 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4810 if test $cf_XOPEN_SOURCE_set = yes
4812 AC_TRY_COMPILE([#include <stdlib.h>],[
4813 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4816 [cf_XOPEN_SOURCE_set_ok=yes],
4817 [cf_XOPEN_SOURCE_set_ok=no])
4818 if test $cf_XOPEN_SOURCE_set_ok = no
4820 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4826 fi # cf_cv_posix_visible