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 1.161 2020/08/29 13:18:29 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: 6 updated: 2020/08/28 04:10:22
982 dnl ------------------
983 dnl Configure-option to enable gcc warnings
984 AC_DEFUN([CF_ENABLE_WARNINGS],[
985 if ( test "$GCC" = yes || test "$GXX" = yes )
987 CF_FIX_WARNINGS(CFLAGS)
988 CF_FIX_WARNINGS(CPPFLAGS)
989 CF_FIX_WARNINGS(LDFLAGS)
990 AC_MSG_CHECKING(if you want to turn on gcc warnings)
991 CF_ARG_ENABLE(warnings,
992 [ --enable-warnings test: turn on gcc compiler warnings],
995 AC_MSG_RESULT($with_warnings)
996 if test "$with_warnings" = "yes"
1003 dnl ---------------------------------------------------------------------------
1004 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
1006 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
1007 dnl prefer a standard location, and use -L options only if we do not find the
1008 dnl library in the standard library location(s).
1009 dnl $1 = library name
1010 dnl $2 = library class, usually the same as library name
1012 dnl $4 = code fragment to compile/link
1013 dnl $5 = corresponding function-name
1014 dnl $6 = flag, nonnull if failure should not cause an error-exit
1016 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
1017 dnl to use a -L option.
1018 AC_DEFUN([CF_FIND_LIBRARY],
1020 eval 'cf_cv_have_lib_'$1'=no'
1023 eval 'cf_cv_have_lib_'$1'=yes',[
1024 cf_save_LIBS="$LIBS"
1025 AC_MSG_CHECKING(for $5 in -l$1)
1027 AC_TRY_LINK([$3],[$4],
1029 eval 'cf_cv_have_lib_'$1'=yes'
1032 CF_LIBRARY_PATH(cf_search,$2)
1033 for cf_libdir in $cf_search
1035 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
1036 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
1037 AC_TRY_LINK([$3],[$4],
1039 eval 'cf_cv_have_lib_'$1'=yes'
1042 LIBS="$cf_save_LIBS"])
1046 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
1048 if test $cf_found_library = no ; then
1049 AC_MSG_ERROR(Cannot link $1 library)
1053 dnl ---------------------------------------------------------------------------
1054 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
1056 dnl Find a library (specifically the linkage used in the code fragment),
1057 dnl searching for it if it is not already in the library path.
1058 dnl See also CF_ADD_SEARCHPATH.
1060 dnl Parameters (4-on are optional):
1061 dnl $1 = headers for library entrypoint
1062 dnl $2 = code fragment for library entrypoint
1063 dnl $3 = the library name without the "-l" option or ".so" suffix.
1064 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1065 dnl $5 = action to perform if not successful
1066 dnl $6 = module name, if not the same as the library name
1067 dnl $7 = extra libraries
1069 dnl Sets these variables:
1070 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1071 dnl $cf_cv_header_path_$3 - include-directory if needed
1072 dnl $cf_cv_library_path_$3 - library-directory if needed
1073 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1074 AC_DEFUN([CF_FIND_LINKAGE],[
1076 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1077 # will be set on completion of the AC_TRY_LINK below.
1078 cf_cv_header_path_$3=
1079 cf_cv_library_path_$3=
1081 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1083 cf_save_LIBS="$LIBS"
1085 AC_TRY_LINK([$1],[$2],[
1086 cf_cv_find_linkage_$3=yes
1087 cf_cv_header_path_$3=/usr/include
1088 cf_cv_library_path_$3=/usr/lib
1091 LIBS="-l$3 $7 $cf_save_LIBS"
1093 AC_TRY_LINK([$1],[$2],[
1094 cf_cv_find_linkage_$3=yes
1095 cf_cv_header_path_$3=/usr/include
1096 cf_cv_library_path_$3=/usr/lib
1097 cf_cv_library_file_$3="-l$3"
1099 cf_cv_find_linkage_$3=no
1100 LIBS="$cf_save_LIBS"
1102 CF_VERBOSE(find linkage for $3 library)
1103 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1105 cf_save_CPPFLAGS="$CPPFLAGS"
1106 cf_test_CPPFLAGS="$CPPFLAGS"
1108 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1109 for cf_cv_header_path_$3 in $cf_search
1111 if test -d $cf_cv_header_path_$3 ; then
1112 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1113 CPPFLAGS="$cf_save_CPPFLAGS"
1114 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
1115 AC_TRY_COMPILE([$1],[$2],[
1116 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1117 cf_cv_find_linkage_$3=maybe
1118 cf_test_CPPFLAGS="$CPPFLAGS"
1120 CPPFLAGS="$cf_save_CPPFLAGS"
1125 if test "$cf_cv_find_linkage_$3" = maybe ; then
1127 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1129 cf_save_LIBS="$LIBS"
1130 cf_save_LDFLAGS="$LDFLAGS"
1133 CPPFLAGS="$cf_test_CPPFLAGS"
1134 LIBS="-l$3 $7 $cf_save_LIBS"
1135 AC_TRY_LINK([$1],[$2],[
1136 CF_VERBOSE(... found $3 library in system)
1137 cf_cv_find_linkage_$3=yes])
1138 CPPFLAGS="$cf_save_CPPFLAGS"
1139 LIBS="$cf_save_LIBS"
1142 if test "$cf_cv_find_linkage_$3" != yes ; then
1143 CF_LIBRARY_PATH(cf_search,$3)
1144 for cf_cv_library_path_$3 in $cf_search
1146 if test -d $cf_cv_library_path_$3 ; then
1147 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1148 CPPFLAGS="$cf_test_CPPFLAGS"
1149 LIBS="-l$3 $7 $cf_save_LIBS"
1150 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1151 AC_TRY_LINK([$1],[$2],[
1152 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1153 cf_cv_find_linkage_$3=yes
1154 cf_cv_library_file_$3="-l$3"
1156 CPPFLAGS="$cf_save_CPPFLAGS"
1157 LIBS="$cf_save_LIBS"
1158 LDFLAGS="$cf_save_LDFLAGS"
1162 CPPFLAGS="$cf_save_CPPFLAGS"
1163 LDFLAGS="$cf_save_LDFLAGS"
1167 cf_cv_find_linkage_$3=no
1172 LIBS="$cf_save_LIBS"
1174 if test "$cf_cv_find_linkage_$3" = yes ; then
1176 CF_ADD_INCDIR($cf_cv_header_path_$3)
1177 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1181 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1184 dnl ---------------------------------------------------------------------------
1185 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
1186 dnl -----------------
1187 dnl make ADAFLAGS consistent with CFLAGS
1188 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
1189 AC_MSG_CHECKING(optimization options for ADAFLAGS)
1197 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
1198 CF_ADD_ADAFLAGS($cf_O_flag)
1201 AC_MSG_RESULT($ADAFLAGS)
1203 dnl ---------------------------------------------------------------------------
1204 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
1206 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
1207 dnl "-Werror" flags can interfere with configure-checks. Those go into
1210 dnl $1 = variable name to repair
1211 define([CF_FIX_WARNINGS],[
1212 if ( test "$GCC" = yes || test "$GXX" = yes )
1216 CF_VERBOSE(repairing $1: [$]$1)
1218 for cf_temp_scan in [$]$1
1220 case "x$cf_temp_scan" in
1222 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
1225 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
1230 CF_VERBOSE(... fixed [$]$1)
1231 CF_VERBOSE(... extra $EXTRA_CFLAGS)
1235 AC_SUBST(EXTRA_CFLAGS)
1237 dnl ---------------------------------------------------------------------------
1238 dnl CF_GCC_ATTRIBUTES version: 18 updated: 2020/03/10 18:53:47
1239 dnl -----------------
1240 dnl Test for availability of useful gcc __attribute__ directives to quiet
1241 dnl compiler warnings. Though useful, not all are supported -- and contrary
1242 dnl to documentation, unrecognized directives cause older compilers to barf.
1243 AC_DEFUN([CF_GCC_ATTRIBUTES],
1245 if test "$GCC" = yes
1247 cat > conftest.i <<EOF
1249 #define GCC_PRINTF 0
1254 #ifndef GCC_NORETURN
1255 #define GCC_NORETURN /* nothing */
1258 #define GCC_UNUSED /* nothing */
1261 if test "$GCC" = yes
1263 AC_CHECKING([for $CC __attribute__ directives])
1264 cat > conftest.$ac_ext <<EOF
1265 #line __oline__ "${as_me:-configure}"
1266 #include "confdefs.h"
1267 #include "conftest.h"
1268 #include "conftest.i"
1270 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1272 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1275 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1277 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1279 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1280 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1281 extern void foo(void) GCC_NORETURN;
1282 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
1284 cf_printf_attribute=no
1285 cf_scanf_attribute=no
1286 for cf_attribute in scanf printf unused noreturn
1288 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1289 cf_directive="__attribute__(($cf_attribute))"
1290 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1292 case $cf_attribute in
1294 cf_printf_attribute=yes
1295 cat >conftest.h <<EOF
1296 #define GCC_$cf_ATTRIBUTE 1
1300 cf_scanf_attribute=yes
1301 cat >conftest.h <<EOF
1302 #define GCC_$cf_ATTRIBUTE 1
1306 cat >conftest.h <<EOF
1307 #define GCC_$cf_ATTRIBUTE $cf_directive
1312 if AC_TRY_EVAL(ac_compile); then
1313 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1314 cat conftest.h >>confdefs.h
1315 case $cf_attribute in
1317 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1320 cf_value='/* nothing */'
1321 if test "$cf_printf_attribute" != no ; then
1322 cf_value='__attribute__((format(printf,fmt,var)))'
1323 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1325 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1328 cf_value='/* nothing */'
1329 if test "$cf_scanf_attribute" != no ; then
1330 cf_value='__attribute__((format(scanf,fmt,var)))'
1331 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1333 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1336 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1342 fgrep define conftest.i >>confdefs.h
1347 dnl ---------------------------------------------------------------------------
1348 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
1350 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
1351 dnl compatible), attempt to determine if icc/clang is actually used.
1352 AC_DEFUN([CF_GCC_VERSION],[
1353 AC_REQUIRE([AC_PROG_CC])
1355 if test "$GCC" = yes ; then
1356 AC_MSG_CHECKING(version of $CC)
1357 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1358 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1359 AC_MSG_RESULT($GCC_VERSION)
1361 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1362 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1364 dnl ---------------------------------------------------------------------------
1365 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
1367 dnl Check if the compiler supports useful warning options. There's a few that
1368 dnl we don't use, simply because they're too noisy:
1370 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1371 dnl -Winline (usually not worthwhile)
1372 dnl -Wredundant-decls (system headers make this too noisy)
1373 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1374 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1375 dnl is enabled for ncurses using "--enable-const".
1379 dnl $1 is an optional list of gcc warning flags that a particular
1380 dnl application might want to use, e.g., "no-unused" for
1383 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1385 AC_DEFUN([CF_GCC_WARNINGS],
1387 AC_REQUIRE([CF_GCC_VERSION])
1388 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
1389 cat > conftest.$ac_ext <<EOF
1390 #line __oline__ "${as_me:-configure}"
1391 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1393 if test "$INTEL_COMPILER" = yes
1395 # The "-wdXXX" options suppress warnings:
1396 # remark #1419: external declaration in primary source file
1397 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1398 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1399 # remark #193: zero used for undefined preprocessing identifier
1400 # remark #593: variable "curs_sb_left_arrow" was set but never used
1401 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1402 # remark #869: parameter "tw" was never referenced
1403 # remark #981: operands are evaluated in unspecified order
1404 # warning #279: controlling expression is constant
1406 AC_CHECKING([for $CC warning options])
1407 cf_save_CFLAGS="$CFLAGS"
1408 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
1420 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1421 if AC_TRY_EVAL(ac_compile); then
1422 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1423 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1426 CFLAGS="$cf_save_CFLAGS"
1427 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
1429 AC_CHECKING([for $CC warning options])
1430 cf_save_CFLAGS="$CFLAGS"
1432 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1433 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1434 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1435 for cf_opt in W Wall \
1436 Wbad-function-cast \
1439 Wdeclaration-after-statement \
1442 Wmissing-declarations \
1443 Wmissing-prototypes \
1447 Wstrict-prototypes \
1448 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
1450 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1451 if AC_TRY_EVAL(ac_compile); then
1452 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1455 case $GCC_VERSION in
1457 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1462 case $GCC_VERSION in
1464 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1469 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1472 CFLAGS="$cf_save_CFLAGS"
1476 AC_SUBST(EXTRA_CFLAGS)
1478 dnl ---------------------------------------------------------------------------
1479 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1480 dnl -----------------
1481 AC_DEFUN([CF_GNATPREP_OPT_T],[
1482 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1483 cf_cv_gnatprep_opt_t=no
1484 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1486 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1487 AC_SUBST(GNATPREP_OPTS)
1489 dnl ---------------------------------------------------------------------------
1490 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
1491 dnl ----------------
1492 AC_DEFUN([CF_GNAT_GENERICS],
1494 AC_REQUIRE([CF_GNAT_VERSION])
1496 AC_MSG_CHECKING(if GNAT supports generics)
1497 case $cf_cv_gnat_version in
1498 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1499 cf_gnat_generics=yes
1505 AC_MSG_RESULT($cf_gnat_generics)
1507 if test "$cf_gnat_generics" = yes
1509 cf_compile_generics=generics
1510 cf_generic_objects="\${GENOBJS}"
1512 cf_compile_generics=
1516 AC_SUBST(cf_compile_generics)
1517 AC_SUBST(cf_generic_objects)
1519 dnl ---------------------------------------------------------------------------
1520 dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
1521 dnl ----------------
1522 dnl GNAT projects are configured with ".gpr" project files.
1523 dnl GNAT libraries are a further development, using the project feature.
1524 AC_DEFUN([CF_GNAT_PROJECTS],
1526 AC_REQUIRE([CF_GNAT_VERSION])
1527 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1529 cf_gnat_libraries=no
1532 if test "$enable_gnat_projects" != no ; then
1533 AC_MSG_CHECKING(if GNAT supports project files)
1534 case $cf_cv_gnat_version in
1538 case $cf_cv_system_name in
1542 rm -rf conftest* *~conftest*
1543 if mkdir conftest.src conftest.bin conftest.lib
1546 rm -rf conftest* *~conftest*
1547 cat >>library.gpr <<CF_EOF
1549 Kind := External ("LIB_KIND");
1550 for Library_Name use "ConfTest";
1551 for Object_Dir use ".";
1552 for Library_ALI_Dir use External("LIBRARY_DIR");
1553 for Library_Version use External ("SONAME");
1554 for Library_Kind use Kind;
1555 for Library_Dir use External("BUILD_DIR");
1556 Source_Dir := External ("SOURCE_DIR");
1557 for Source_Dirs use (Source_Dir);
1560 cat >>confpackage.ads <<CF_EOF
1561 package ConfPackage is
1565 cat >>confpackage.adb <<CF_EOF
1567 package body ConfPackage is
1568 procedure conftest is
1570 Text_IO.Put ("Hello World");
1575 if ( $cf_ada_make $ADAFLAGS \
1577 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1578 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1579 -XSOURCE_DIR=`pwd` \
1580 -XSONAME=libConfTest.so.1 \
1581 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1582 cf_gnat_projects=yes
1586 if test -f conftest.lib/confpackage.ali
1588 cf_gnat_libraries=yes
1590 rm -rf conftest* *~conftest*
1595 AC_MSG_RESULT($cf_gnat_projects)
1596 fi # enable_gnat_projects
1598 if test $cf_gnat_projects = yes
1600 AC_MSG_CHECKING(if GNAT supports libraries)
1601 AC_MSG_RESULT($cf_gnat_libraries)
1604 if test "$cf_gnat_projects" = yes
1606 USE_OLD_MAKERULES="#"
1607 USE_GNAT_PROJECTS=""
1609 USE_OLD_MAKERULES=""
1610 USE_GNAT_PROJECTS="#"
1613 if test "$cf_gnat_libraries" = yes
1615 USE_GNAT_LIBRARIES=""
1617 USE_GNAT_LIBRARIES="#"
1620 AC_SUBST(USE_OLD_MAKERULES)
1621 AC_SUBST(USE_GNAT_PROJECTS)
1622 AC_SUBST(USE_GNAT_LIBRARIES)
1624 dnl ---------------------------------------------------------------------------
1625 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1627 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1628 dnl is noted that gnat may compile a tasking unit even for configurations which
1629 dnl fail at runtime.
1630 AC_DEFUN([CF_GNAT_SIGINT],[
1631 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1632 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1636 pragma Warnings (Off); -- the next pragma exists since 3.11p
1637 pragma Unreserve_All_Interrupts;
1638 pragma Warnings (On);
1640 protected Process is
1642 function Continue return Boolean;
1643 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1645 Done : Boolean := False;
1649 [package body ConfTest is
1650 protected body Process is
1655 function Continue return Boolean is
1661 [cf_cv_gnat_sigint=yes],
1662 [cf_cv_gnat_sigint=no])])
1664 if test $cf_cv_gnat_sigint = yes ; then
1669 AC_SUBST(USE_GNAT_SIGINT)
1671 dnl ---------------------------------------------------------------------------
1672 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1673 dnl ----------------
1674 dnl Verify that a test program compiles/links with GNAT.
1675 dnl $cf_ada_make is set to the program that compiles/links
1676 dnl $ADAFLAGS may be set to the GNAT flags.
1678 dnl $1 is the text of the spec
1679 dnl $2 is the text of the body
1680 dnl $3 is the shell command to execute if successful
1681 dnl $4 is the shell command to execute if not successful
1682 AC_DEFUN([CF_GNAT_TRY_LINK],
1684 rm -rf conftest* *~conftest*
1685 cat >>conftest.ads <<CF_EOF
1688 cat >>conftest.adb <<CF_EOF
1691 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1692 ifelse($3,, :,[ $3])
1696 rm -rf conftest* *~conftest*
1698 dnl ---------------------------------------------------------------------------
1699 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1701 dnl Verify that a test program compiles and runs with GNAT
1702 dnl $cf_ada_make is set to the program that compiles/links
1703 dnl $ADAFLAGS may be set to the GNAT flags.
1705 dnl $1 is the text of the spec
1706 dnl $2 is the text of the body
1707 dnl $3 is the shell command to execute if successful
1708 dnl $4 is the shell command to execute if not successful
1709 AC_DEFUN([CF_GNAT_TRY_RUN],
1711 rm -rf conftest* *~conftest*
1712 cat >>conftest.ads <<CF_EOF
1715 cat >>conftest.adb <<CF_EOF
1718 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1719 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1720 ifelse($3,, :,[ $3])
1727 rm -rf conftest* *~conftest*
1729 dnl ---------------------------------------------------------------------------
1730 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
1732 dnl $1 = cache variable to update
1733 dnl $2 = program name
1734 dnl Verify version of GNAT or related tool
1735 AC_DEFUN([CF_GNAT_VERSION],
1737 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
1738 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
1739 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1740 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1742 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
1743 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
1745 dnl ---------------------------------------------------------------------------
1746 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
1748 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1749 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1750 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1751 dnl since it is interwoven with GNU extensions.
1753 dnl Well, yes we could work around it...
1756 dnl $1 is the nominal value for _XOPEN_SOURCE
1757 AC_DEFUN([CF_GNU_SOURCE],
1759 cf_gnu_xopen_source=ifelse($1,,500,$1)
1761 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1762 AC_TRY_COMPILE([#include <sys/types.h>],[
1763 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1765 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1768 # error not GNU C library
1770 [cf_cv_gnu_library=yes],
1771 [cf_cv_gnu_library=no])
1774 if test x$cf_cv_gnu_library = xyes; then
1776 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1777 # was changed to help a little. newlib incorporated the change about 4
1779 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1781 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1782 AC_TRY_COMPILE([#include <sys/types.h>],[
1783 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1785 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1788 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1790 [cf_cv_gnu_library_219=yes],
1791 [cf_cv_gnu_library_219=no])
1795 if test "x$cf_cv_gnu_library_219" = xyes; then
1797 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1798 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1801 #include <sys/types.h>
1803 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1806 # error GNU C library is too old
1808 [cf_cv_gnu_dftsrc_219=yes],
1809 [cf_cv_gnu_dftsrc_219=no])
1811 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1813 cf_cv_gnu_dftsrc_219=maybe
1816 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1818 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1819 AC_TRY_COMPILE([#include <sys/types.h>],[
1820 #ifndef _XOPEN_SOURCE
1821 #error expected _XOPEN_SOURCE to be defined
1823 [cf_cv_gnu_source=no],
1824 [cf_save="$CPPFLAGS"
1825 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1826 AC_TRY_COMPILE([#include <sys/types.h>],[
1827 #ifdef _XOPEN_SOURCE
1828 #error expected _XOPEN_SOURCE to be undefined
1830 [cf_cv_gnu_source=no],
1831 [cf_cv_gnu_source=yes])
1836 if test "$cf_cv_gnu_source" = yes
1838 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1839 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1840 AC_TRY_COMPILE([#include <sys/types.h>],[
1841 #ifdef _DEFAULT_SOURCE
1842 #error expected _DEFAULT_SOURCE to be undefined
1844 [cf_cv_default_source=no],
1845 [cf_cv_default_source=yes])
1847 if test "$cf_cv_default_source" = yes
1849 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1856 dnl ---------------------------------------------------------------------------
1857 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1859 dnl Construct a search-list of directories for a nonstandard header-file
1862 dnl $1 = the variable to return as result
1863 dnl $2 = the package name
1864 AC_DEFUN([CF_HEADER_PATH],
1868 # collect the current set of include-directories from compiler flags
1869 cf_header_path_list=""
1870 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1871 for cf_header_path in $CPPFLAGS $CFLAGS
1873 case $cf_header_path in
1875 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1876 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1877 cf_header_path_list="$cf_header_path_list [$]$1"
1883 # add the variations for the package we are looking for
1884 CF_SUBDIR_PATH($1,$2,include)
1886 test "$includedir" != NONE && \
1887 test "$includedir" != "/usr/include" && \
1888 test -d "$includedir" && {
1889 test -d $includedir && $1="[$]$1 $includedir"
1890 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1893 test "$oldincludedir" != NONE && \
1894 test "$oldincludedir" != "/usr/include" && \
1895 test -d "$oldincludedir" && {
1896 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1897 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1900 $1="[$]$1 $cf_header_path_list"
1902 dnl ---------------------------------------------------------------------------
1903 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
1905 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1906 AC_DEFUN([CF_HELP_MESSAGE],
1907 [CF_ACVERSION_CHECK(2.53,[],[
1908 AC_DIVERT_HELP($1)])dnl
1910 dnl ---------------------------------------------------------------------------
1911 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1913 dnl Construct the list of include-options according to whether we're building
1914 dnl in the source directory or using '--srcdir=DIR' option.
1915 AC_DEFUN([CF_INCLUDE_DIRS],
1917 if test "$srcdir" != "."; then
1918 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1920 CPPFLAGS="-I../include $CPPFLAGS"
1921 if test "$srcdir" != "."; then
1922 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1924 CPPFLAGS="-I. $CPPFLAGS"
1927 dnl ---------------------------------------------------------------------------
1928 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1930 dnl prompt for/fill-in useful install-program options
1931 AC_DEFUN([CF_INSTALL_OPTS],
1937 dnl ---------------------------------------------------------------------------
1938 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1939 dnl ----------------
1940 dnl Almost all "install" programs default to the current user's ownership.
1941 dnl Almost - MINIX is an exception.
1942 AC_DEFUN([CF_INSTALL_OPT_O],
1944 AC_MSG_CHECKING(if install needs to be told about ownership)
1945 case `$ac_config_guess` in
1954 AC_MSG_RESULT($with_install_o)
1955 if test "x$with_install_o" = xyes
1957 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'`
1962 AC_SUBST(INSTALL_OPT_O)
1964 dnl ---------------------------------------------------------------------------
1965 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1966 dnl ----------------
1967 dnl Some install-programs accept a "-p" option to preserve file modification
1968 dnl timestamps. That can be useful as an install option, as well as a way to
1969 dnl avoid the need for ranlib after copying a static archive.
1970 AC_DEFUN([CF_INSTALL_OPT_P],
1972 : ${INSTALL:=install}
1973 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1978 if $INSTALL -p conftest.in conftest.out 2>/dev/null
1980 if test -f conftest.out/conftest.in
1982 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1983 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1984 if test -s conftest.err
1999 dnl ---------------------------------------------------------------------------
2000 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
2001 dnl ----------------
2002 dnl By default, we should strip executables which are installed, but leave the
2003 dnl ability to suppress that for unit-testing.
2004 AC_DEFUN([CF_INSTALL_OPT_S],
2006 AC_MSG_CHECKING(if you want to install stripped executables)
2007 CF_ARG_DISABLE(stripping,
2008 [ --disable-stripping do not strip (debug info) installed executables],
2009 [with_stripping=no],
2010 [with_stripping=yes])
2011 AC_MSG_RESULT($with_stripping)
2013 if test "$with_stripping" = yes
2019 AC_SUBST(INSTALL_OPT_S)
2021 dnl ---------------------------------------------------------------------------
2022 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
2023 dnl -----------------
2024 dnl Check if the given compiler is really the Intel compiler for Linux. It
2025 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2026 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2028 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2029 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2030 dnl the wrappers for gcc and g++ warnings.
2032 dnl $1 = GCC (default) or GXX
2033 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2034 dnl $3 = CFLAGS (default) or CXXFLAGS
2035 AC_DEFUN([CF_INTEL_COMPILER],[
2036 AC_REQUIRE([AC_CANONICAL_HOST])
2037 ifelse([$2],,INTEL_COMPILER,[$2])=no
2039 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2042 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2043 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2044 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2046 #ifdef __INTEL_COMPILER
2050 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2051 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
2053 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2054 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2059 dnl ---------------------------------------------------------------------------
2060 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
2062 dnl Add checks for large file support.
2063 AC_DEFUN([CF_LARGEFILE],[
2064 ifdef([AC_FUNC_FSEEKO],[
2066 if test "$enable_largefile" != no ; then
2069 # Normally we would collect these definitions in the config.h,
2070 # but (like _XOPEN_SOURCE), some environments rely on having these
2071 # defined before any of the system headers are included. Another
2072 # case comes up with C++, e.g., on AIX the compiler compiles the
2073 # header files by themselves before looking at the body files it is
2074 # told to compile. For ncurses, those header files do not include
2076 if test "$ac_cv_sys_large_files" != no
2078 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
2080 if test "$ac_cv_sys_largefile_source" != no
2082 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
2084 if test "$ac_cv_sys_file_offset_bits" != no
2086 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
2089 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2091 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
2092 #include <sys/types.h>
2095 /* if transitional largefile support is setup, this is true */
2096 extern struct dirent64 * readdir(DIR *);
2097 struct dirent64 *x = readdir((DIR *)0);
2098 struct dirent *y = readdir((DIR *)0);
2102 [cf_cv_struct_dirent64=yes],
2103 [cf_cv_struct_dirent64=no])
2105 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
2109 dnl ---------------------------------------------------------------------------
2110 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
2112 dnl For the given system and compiler, find the compiler flags to pass to the
2113 dnl loader to use the "rpath" feature.
2114 AC_DEFUN([CF_LD_RPATH_OPT],
2116 AC_REQUIRE([CF_CHECK_CACHE])
2119 if test "x$cf_cv_enable_rpath" != xno
2121 AC_MSG_CHECKING(for an rpath option)
2122 case $cf_cv_system_name in
2124 if test "$GCC" = yes; then
2125 LD_RPATH_OPT="-Wl,-rpath,"
2127 LD_RPATH_OPT="-rpath "
2130 (linux*|gnu*|k*bsd*-gnu|freebsd*)
2131 LD_RPATH_OPT="-Wl,-rpath,"
2133 (openbsd[[2-9]].*|mirbsd*)
2134 LD_RPATH_OPT="-Wl,-rpath,"
2137 LD_RPATH_OPT="-rpath "
2140 LD_RPATH_OPT="-Wl,-rpath,"
2143 LD_RPATH_OPT="-rpath "
2151 AC_MSG_RESULT($LD_RPATH_OPT)
2153 case "x$LD_RPATH_OPT" in
2155 AC_MSG_CHECKING(if we need a space after rpath option)
2156 cf_save_LIBS="$LIBS"
2157 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2158 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2159 LIBS="$cf_save_LIBS"
2160 AC_MSG_RESULT($cf_rpath_space)
2161 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2166 dnl ---------------------------------------------------------------------------
2167 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
2169 dnl Construct a search-list of directories for a nonstandard library-file
2172 dnl $1 = the variable to return as result
2173 dnl $2 = the package name
2174 AC_DEFUN([CF_LIBRARY_PATH],
2177 cf_library_path_list=""
2178 if test -n "${LDFLAGS}${LIBS}" ; then
2179 for cf_library_path in $LDFLAGS $LIBS
2181 case $cf_library_path in
2183 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2184 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2185 cf_library_path_list="$cf_library_path_list [$]$1"
2191 CF_SUBDIR_PATH($1,$2,lib)
2193 $1="$cf_library_path_list [$]$1"
2195 dnl ---------------------------------------------------------------------------
2196 dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
2198 dnl Compute the library-prefix for the given host system
2199 dnl $1 = variable to set
2200 define([CF_LIB_PREFIX],
2202 case $cf_cv_system_name in
2204 if test "$DFT_LWR_MODEL" = libtool; then
2213 (*) LIB_PREFIX='lib'
2216 ifelse($1,,,[$1=$LIB_PREFIX])
2217 AC_SUBST(LIB_PREFIX)
2219 dnl ---------------------------------------------------------------------------
2220 dnl CF_LIB_SUFFIX version: 26 updated: 2020/04/04 10:11:47
2222 dnl Compute the library file-suffix from the given model name
2224 dnl $2 = variable to set (the nominal library suffix)
2225 dnl $3 = dependency variable to set (actual filename)
2226 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2227 AC_DEFUN([CF_LIB_SUFFIX],
2235 case $cf_cv_system_name in
2246 case $cf_cv_system_name in
2257 case $cf_cv_system_name in
2266 (cygwin*|msys*|mingw*)
2304 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2306 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2307 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2310 dnl ---------------------------------------------------------------------------
2311 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2313 dnl Compute the string to append to -library from the given model name
2315 dnl $2 = variable to set
2316 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2317 AC_DEFUN([CF_LIB_TYPE],
2323 (profile) $2='_p' ;;
2326 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2328 dnl ---------------------------------------------------------------------------
2329 dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
2330 dnl ----------------
2331 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2332 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2333 dnl have to provide wrappers for global tables to ensure they're linked
2335 AC_DEFUN([CF_LINK_DATAONLY],
2337 AC_MSG_CHECKING([if data-only library module links])
2338 AC_CACHE_VAL(cf_cv_link_dataonly,[
2340 cat >conftest.$ac_ext <<EOF
2341 #line __oline__ "configure"
2342 int testdata[[3]] = { 123, 456, 789 };
2344 if AC_TRY_EVAL(ac_compile) ; then
2345 mv conftest.o data.o && \
2346 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2348 rm -f conftest.$ac_ext data.o
2349 cat >conftest.$ac_ext <<EOF
2350 #line __oline__ "configure"
2354 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2356 extern int testdata[[3]];
2357 return testdata[[0]] == 123
2358 && testdata[[1]] == 456
2359 && testdata[[2]] == 789;
2363 if AC_TRY_EVAL(ac_compile); then
2364 mv conftest.o func.o && \
2365 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2367 rm -f conftest.$ac_ext func.o
2368 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2370 LIBS="conftest.a $LIBS"
2374 extern int testfunc();
2375 ${cf_cv_main_return:-return} (!testfunc());
2378 [cf_cv_link_dataonly=yes],
2379 [cf_cv_link_dataonly=no],
2380 [cf_cv_link_dataonly=unknown])
2383 AC_MSG_RESULT($cf_cv_link_dataonly)
2385 if test "$cf_cv_link_dataonly" = no ; then
2386 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2389 AC_SUBST(BROKEN_LINKER)
2392 dnl ---------------------------------------------------------------------------
2393 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2395 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2396 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2397 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2398 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2399 AC_DEFUN([CF_MAKEFLAGS],
2401 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2403 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2405 cat >cf_makeflags.tmp <<CF_EOF
2408 @ echo '.$cf_option'
2410 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2411 case "$cf_result" in
2413 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2414 case "$cf_result" in
2415 (.*CC=*) cf_cv_makeflags=
2417 (*) cf_cv_makeflags=$cf_option
2425 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2429 rm -f cf_makeflags.tmp
2432 AC_SUBST(cf_cv_makeflags)
2434 dnl ---------------------------------------------------------------------------
2435 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2437 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2438 dnl a monocase filesystem.
2439 AC_DEFUN([CF_MAKE_TAGS],[
2440 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2442 AC_CHECK_PROGS(CTAGS, exctags ctags)
2443 AC_CHECK_PROGS(ETAGS, exetags etags)
2445 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2447 if test "$cf_cv_mixedcase" = yes ; then
2448 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2453 if test "$MAKE_UPPER_TAGS" = yes ; then
2459 if test "$MAKE_LOWER_TAGS" = yes ; then
2468 AC_SUBST(MAKE_UPPER_TAGS)
2469 AC_SUBST(MAKE_LOWER_TAGS)
2471 dnl ---------------------------------------------------------------------------
2472 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2473 dnl ----------------------
2474 dnl Check if the file-system supports mixed-case filenames. If we're able to
2475 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2476 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2478 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2479 if test "$cross_compiling" = yes ; then
2480 case $target_alias in
2481 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2489 rm -f conftest CONFTEST
2491 if test -f CONFTEST ; then
2496 rm -f conftest CONFTEST
2499 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2501 dnl ---------------------------------------------------------------------------
2502 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2504 dnl Check for a working mkstemp. This creates two files, checks that they are
2505 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2506 AC_DEFUN([CF_MKSTEMP],[
2510 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2513 #include <sys/types.h>
2514 #ifdef HAVE_UNISTD_H
2520 #include <sys/stat.h>
2523 char *tmpl = "conftestXXXXXX";
2531 for (n = 0; n < 2; ++n) {
2532 strcpy(name[n], tmpl);
2533 if ((fd = mkstemp(name[n])) >= 0) {
2534 if (!strcmp(name[n], tmpl)
2535 || stat(name[n], &sb) != 0
2536 || (sb.st_mode & S_IFMT) != S_IFREG
2537 || (sb.st_mode & 077) != 0) {
2544 && !strcmp(name[0], name[1]))
2546 ${cf_cv_main_return:-return}(result);
2548 ],[cf_cv_func_mkstemp=yes
2549 ],[cf_cv_func_mkstemp=no
2550 ],[cf_cv_func_mkstemp=maybe])
2552 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2553 AC_CHECK_FUNC(mkstemp)
2555 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2556 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2559 dnl ---------------------------------------------------------------------------
2560 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2562 dnl Write a debug message to config.log, along with the line number in the
2563 dnl configure script.
2564 AC_DEFUN([CF_MSG_LOG],[
2565 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2567 dnl ---------------------------------------------------------------------------
2568 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2569 dnl ----------------
2570 dnl Configure an ncurses add-on, built outside the ncurses tree.
2571 AC_DEFUN([CF_NCURSES_ADDON],[
2572 AC_REQUIRE([CF_NCURSES_CONFIG])
2574 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2576 AC_MSG_CHECKING(if you want wide-character code)
2577 AC_ARG_ENABLE(widec,
2578 [ --enable-widec compile with wide-char/UTF-8 code],
2579 [with_widec=$enableval],
2581 AC_MSG_RESULT($with_widec)
2582 if test "$with_widec" = yes ; then
2584 CF_NCURSES_CONFIG(ncursesw)
2586 CF_NCURSES_CONFIG(ncurses)
2589 if test "$NCURSES_CONFIG_PKG" != none ; then
2590 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2592 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2593 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2594 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2596 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2597 if test -z "$cf_cv_abi_version"
2599 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2602 elif test "$NCURSES_CONFIG" != none ; then
2604 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2606 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2607 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2608 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2610 # ABI version is not available from headers
2611 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2615 for cf_name in MAJOR MINOR PATCH
2617 cat >conftest.$ac_ext <<CF_EOF
2618 #include <${cf_cv_ncurses_header:-curses.h}>
2619 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2621 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2623 if test -f conftest.out ; then
2624 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2625 eval NCURSES_$cf_name=\"$cf_result\"
2626 # cat conftest.$ac_ext
2631 cf_cv_abi_version=${NCURSES_MAJOR}
2635 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2637 dnl Show the computed version, for logging
2638 cf_cv_timestamp=`date`
2640 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2642 dnl We need these values in the generated headers
2643 AC_SUBST(NCURSES_MAJOR)
2644 AC_SUBST(NCURSES_MINOR)
2645 AC_SUBST(NCURSES_PATCH)
2647 dnl We need these values in the generated makefiles
2648 AC_SUBST(cf_cv_rel_version)
2649 AC_SUBST(cf_cv_abi_version)
2651 dnl FIXME - not needed for Ada95
2652 AC_SUBST(cf_cv_builtin_bool)
2653 AC_SUBST(cf_cv_header_stdbool_h)
2654 AC_SUBST(cf_cv_type_of_bool)dnl
2657 dnl ---------------------------------------------------------------------------
2658 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2659 dnl -------------------
2660 dnl Check if we can compile with ncurses' header file
2661 dnl $1 is the cache variable to set
2662 dnl $2 is the header-file to include
2663 dnl $3 is the root name (ncurses or ncursesw)
2664 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2666 ]ifelse($3,ncursesw,[
2667 #define _XOPEN_SOURCE_EXTENDED
2668 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2669 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2672 #ifdef NCURSES_VERSION
2673 ]ifelse($3,ncursesw,[
2678 printf("%s\n", NCURSES_VERSION);
2690 dnl ---------------------------------------------------------------------------
2691 dnl CF_NCURSES_CONFIG version: 23 updated: 2020/02/27 05:21:59
2692 dnl -----------------
2693 dnl Tie together the configure-script macros for ncurses, preferring these in
2695 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2696 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2697 dnl c) just plain libraries
2699 dnl $1 is the root library name (default: "ncurses")
2700 AC_DEFUN([CF_NCURSES_CONFIG],[
2701 AC_REQUIRE([CF_PKG_CONFIG])
2702 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2703 cf_have_ncuconfig=no
2705 if test "x${PKG_CONFIG:=none}" != xnone; then
2706 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2707 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2710 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2711 cf_have_ncuconfig=unknown
2713 cf_save_CFLAGS="$CFLAGS"
2714 cf_save_CPPFLAGS="$CPPFLAGS"
2715 cf_save_LIBS="$LIBS"
2717 cf_pkg_cflags=`$PKG_CONFIG --cflags $cf_ncuconfig_root`
2718 cf_pkg_libs=`$PKG_CONFIG --libs $cf_ncuconfig_root`
2720 # while -W for passing linker flags is prevalent, it is not "standard".
2721 # At least one wrapper for c89/c99 (in Apple's xcode) has its own
2722 # incompatible _and_ non-standard -W option which gives an error. Work
2723 # around that pitfall.
2724 case "x${CC}@@${cf_pkg_libs}@${cf_pkg_cflags}" in
2726 CF_ADD_CFLAGS($cf_pkg_cflags)
2727 CF_ADD_LIBS($cf_pkg_libs)
2729 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2730 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2731 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2733 { char *xx = curses_version(); return (xx == 0); }],
2734 [cf_test_ncuconfig=yes],
2735 [cf_test_ncuconfig=no],
2736 [cf_test_ncuconfig=maybe])],
2737 [cf_test_ncuconfig=no])
2739 CFLAGS="$cf_save_CFLAGS"
2740 CPPFLAGS="$cf_save_CPPFLAGS"
2741 LIBS="$cf_save_LIBS"
2743 if test "x$cf_test_ncuconfig" != xyes; then
2744 cf_temp=`echo "x$cf_pkg_cflags" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2745 cf_pkg_cflags="$cf_temp"
2746 cf_temp=`echo "x$cf_pkg_libs" | sed -e s/^x// -e 's/-W[[^ ]]*//g'`
2747 cf_pkg_libs="$cf_temp"
2752 CF_ADD_CFLAGS($cf_pkg_cflags)
2753 CF_ADD_LIBS($cf_pkg_libs)
2755 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2756 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2757 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2759 { char *xx = curses_version(); return (xx == 0); }],
2760 [cf_have_ncuconfig=yes],
2761 [cf_have_ncuconfig=no],
2762 [cf_have_ncuconfig=maybe])],
2763 [cf_have_ncuconfig=no])
2764 AC_MSG_RESULT($cf_have_ncuconfig)
2765 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2766 if test "$cf_have_ncuconfig" != "yes"
2768 CPPFLAGS="$cf_save_CPPFLAGS"
2769 LIBS="$cf_save_LIBS"
2770 NCURSES_CONFIG_PKG=none
2772 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2773 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2779 NCURSES_CONFIG_PKG=none
2782 NCURSES_CONFIG_PKG=none
2785 if test "x$cf_have_ncuconfig" = "xno"; then
2786 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2788 CF_ACVERSION_CHECK(2.52,
2789 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2790 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2792 if test "$NCURSES_CONFIG" != none ; then
2794 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2795 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2797 # even with config script, some packages use no-override for curses.h
2798 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2800 dnl like CF_NCURSES_CPPFLAGS
2801 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2803 dnl like CF_NCURSES_LIBS
2804 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2805 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2807 dnl like CF_NCURSES_VERSION
2808 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2812 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2813 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2820 dnl ---------------------------------------------------------------------------
2821 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2822 dnl -------------------
2823 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2824 dnl the CPPFLAGS variable so we can include its header.
2826 dnl The header files may be installed as either curses.h, or ncurses.h (would
2827 dnl be obsolete, except that some packagers prefer this name to distinguish it
2828 dnl from a "native" curses implementation). If not installed for overwrite,
2829 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2830 dnl /usr/include/ncurses), but someone may have installed overwriting the
2831 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2832 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2835 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2836 dnl is already in the include-path, don't even bother with this, since we cannot
2837 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2839 dnl The optional parameter gives the root name of the library, in case it is
2840 dnl not installed as the default curses library. That is how the
2841 dnl wide-character version of ncurses is installed.
2842 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2843 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2845 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2846 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2848 test -n "$cf_cv_curses_dir" && \
2849 test "$cf_cv_curses_dir" != "no" && { \
2850 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2853 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2854 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2855 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2856 for cf_header in $cf_header_list
2858 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2859 test "$cf_cv_ncurses_h" != no && break
2866 # some applications need this, but should check for NCURSES_VERSION
2867 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2871 dnl ---------------------------------------------------------------------------
2872 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2873 dnl -----------------
2874 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2875 dnl variations of ncurses' installs.
2877 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2878 AC_DEFUN([CF_NCURSES_HEADER],[
2880 if test "$cf_cv_ncurses_h" != no ; then
2881 cf_cv_ncurses_header=$cf_cv_ncurses_h
2884 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2885 test -n "$verbose" && echo
2886 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2887 test -n "$verbose" && echo search path $cf_search
2888 cf_save2_CPPFLAGS="$CPPFLAGS"
2889 for cf_incdir in $cf_search
2891 CF_ADD_INCDIR($cf_incdir)
2896 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2897 if test "$cf_cv_ncurses_h2" != no ; then
2898 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2899 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2902 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2904 CPPFLAGS="$cf_save2_CPPFLAGS"
2905 test "$cf_cv_ncurses_h2" != no && break
2907 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2910 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2911 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2912 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2913 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2915 CF_ADD_INCDIR($cf_1st_incdir)
2919 # Set definitions to allow ifdef'ing for ncurses.h
2921 case $cf_cv_ncurses_header in
2923 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2927 case $cf_cv_ncurses_header in
2928 (ncurses/curses.h|ncurses/ncurses.h)
2929 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2931 (ncursesw/curses.h|ncursesw/ncurses.h)
2932 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2937 dnl ---------------------------------------------------------------------------
2938 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2940 dnl Look for the ncurses library. This is a little complicated on Linux,
2941 dnl because it may be linked with the gpm (general purpose mouse) library.
2942 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2943 dnl unusable with ncurses. However, we don't want to link with gpm unless
2944 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2945 dnl and the linker will record a dependency.
2947 dnl The optional parameter gives the root name of the library, in case it is
2948 dnl not installed as the default curses library. That is how the
2949 dnl wide-character version of ncurses is installed.
2950 AC_DEFUN([CF_NCURSES_LIBS],
2951 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2953 cf_nculib_root=ifelse($1,,ncurses,$1)
2954 # This works, except for the special case where we find gpm, but
2955 # ncurses is in a nonstandard location via $LIBS, and we really want
2958 cf_ncurses_SAVE="$LIBS"
2959 AC_CHECK_LIB(gpm,Gpm_Open,
2960 [AC_CHECK_LIB(gpm,initscr,
2961 [LIBS="$cf_ncurses_SAVE"],
2962 [cf_ncurses_LIBS="-lgpm"])])
2966 # This is only necessary if you are linking against an obsolete
2967 # version of ncurses (but it should do no harm, since it's static).
2968 if test "$cf_nculib_root" = ncurses ; then
2969 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2974 CF_ADD_LIBS($cf_ncurses_LIBS)
2976 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2978 CF_ADD_LIBS(-l$cf_nculib_root)
2980 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2981 [#include <${cf_cv_ncurses_header:-curses.h}>],
2986 if test -n "$cf_ncurses_LIBS" ; then
2987 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2988 cf_ncurses_SAVE="$LIBS"
2989 for p in $cf_ncurses_LIBS ; do
2990 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2991 if test "$q" != "$LIBS" ; then
2995 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2996 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2997 [AC_MSG_RESULT(yes)],
2999 LIBS="$cf_ncurses_SAVE"])
3002 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
3003 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
3005 dnl ---------------------------------------------------------------------------
3006 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
3007 dnl ------------------
3008 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
3009 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
3010 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
3011 AC_DEFUN([CF_NCURSES_VERSION],
3013 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
3014 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
3015 cf_cv_ncurses_version=no
3019 #include <${cf_cv_ncurses_header:-curses.h}>
3023 FILE *fp = fopen("$cf_tempfile", "w");
3024 #ifdef NCURSES_VERSION
3025 # ifdef NCURSES_VERSION_PATCH
3026 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
3028 fprintf(fp, "%s\n", NCURSES_VERSION);
3032 fprintf(fp, "old\n");
3037 ${cf_cv_main_return:-return}(0);
3039 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
3041 # This will not work if the preprocessor splits the line after the
3042 # Autoconf token. The 'unproto' program does that.
3043 cat > conftest.$ac_ext <<EOF
3044 #include <${cf_cv_ncurses_header:-curses.h}>
3046 #ifdef NCURSES_VERSION
3047 Autoconf NCURSES_VERSION
3055 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
3057 if test -f conftest.out ; then
3058 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
3059 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
3065 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
3067 dnl ---------------------------------------------------------------------------
3068 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
3070 dnl Compute the object-directory name from the given model name
3071 AC_DEFUN([CF_OBJ_SUBDIR],
3074 (libtool) $2='obj_lo' ;;
3075 (normal) $2='objects' ;;
3076 (debug) $2='obj_g' ;;
3077 (profile) $2='obj_p' ;;
3079 case $cf_cv_system_name in
3087 dnl ---------------------------------------------------------------------------
3088 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
3090 dnl Provide a value for the $PATH and similar separator (or amend the value
3091 dnl as provided in autoconf 2.5x).
3092 AC_DEFUN([CF_PATHSEP],
3094 AC_MSG_CHECKING(for PATH separator)
3095 case $cf_cv_system_name in
3096 (os2*) PATH_SEPARATOR=';' ;;
3097 (*) ${PATH_SEPARATOR:=':'} ;;
3099 ifelse([$1],,,[$1=$PATH_SEPARATOR])
3100 AC_SUBST(PATH_SEPARATOR)
3101 AC_MSG_RESULT($PATH_SEPARATOR)
3103 dnl ---------------------------------------------------------------------------
3104 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
3106 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
3107 dnl begins with one of the prefix/exec_prefix variables, and then again if the
3108 dnl result begins with 'NONE'. This is necessary to work around autoconf's
3109 dnl delayed evaluation of those symbols.
3110 AC_DEFUN([CF_PATH_SYNTAX],[
3111 if test "x$prefix" != xNONE; then
3112 cf_path_syntax="$prefix"
3114 cf_path_syntax="$ac_default_prefix"
3118 (.\[$]\(*\)*|.\'*\'*)
3122 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
3124 (.\[$]{*prefix}*|.\[$]{*dir}*)
3128 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3133 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
3136 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
3140 dnl ---------------------------------------------------------------------------
3141 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
3143 dnl Check for the package-config program, unless disabled by command-line.
3144 AC_DEFUN([CF_PKG_CONFIG],
3146 AC_MSG_CHECKING(if you want to use pkg-config)
3147 AC_ARG_WITH(pkg-config,
3148 [ --with-pkg-config{=path} enable/disable use of pkg-config],
3149 [cf_pkg_config=$withval],
3150 [cf_pkg_config=yes])
3151 AC_MSG_RESULT($cf_pkg_config)
3153 case $cf_pkg_config in
3158 CF_ACVERSION_CHECK(2.52,
3159 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
3160 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
3167 test -z "$PKG_CONFIG" && PKG_CONFIG=none
3168 if test "$PKG_CONFIG" != none ; then
3169 CF_PATH_SYNTAX(PKG_CONFIG)
3170 elif test "x$cf_pkg_config" != xno ; then
3171 AC_MSG_WARN(pkg-config is not installed)
3174 AC_SUBST(PKG_CONFIG)
3176 dnl ---------------------------------------------------------------------------
3177 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
3178 dnl -----------------
3179 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
3181 dnl POSIX.1-1990 _POSIX_SOURCE
3182 dnl POSIX.1-1990 and _POSIX_SOURCE and
3183 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
3185 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
3186 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
3187 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
3190 dnl $1 is the nominal value for _POSIX_C_SOURCE
3191 AC_DEFUN([CF_POSIX_C_SOURCE],
3192 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
3194 if test "$cf_cv_posix_visible" = no; then
3196 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
3198 cf_save_CFLAGS="$CFLAGS"
3199 cf_save_CPPFLAGS="$CPPFLAGS"
3201 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
3202 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
3204 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
3205 CF_MSG_LOG(if the symbol is already defined go no further)
3206 AC_TRY_COMPILE([#include <sys/types.h>],[
3207 #ifndef _POSIX_C_SOURCE
3210 [cf_cv_posix_c_source=no],
3211 [cf_want_posix_source=no
3212 case .$cf_POSIX_C_SOURCE in
3214 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3217 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
3218 cf_want_posix_source=yes
3221 cf_want_posix_source=yes
3224 if test "$cf_want_posix_source" = yes ; then
3225 AC_TRY_COMPILE([#include <sys/types.h>],[
3226 #ifdef _POSIX_SOURCE
3229 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
3231 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
3232 CFLAGS="$cf_trim_CFLAGS"
3233 CPPFLAGS="$cf_trim_CPPFLAGS"
3234 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
3235 CF_MSG_LOG(if the second compile does not leave our definition intact error)
3236 AC_TRY_COMPILE([#include <sys/types.h>],[
3237 #ifndef _POSIX_C_SOURCE
3240 [cf_cv_posix_c_source=no])
3241 CFLAGS="$cf_save_CFLAGS"
3242 CPPFLAGS="$cf_save_CPPFLAGS"
3246 if test "$cf_cv_posix_c_source" != no ; then
3247 CFLAGS="$cf_trim_CFLAGS"
3248 CPPFLAGS="$cf_trim_CPPFLAGS"
3249 CF_ADD_CFLAGS($cf_cv_posix_c_source)
3252 fi # cf_cv_posix_visible
3255 dnl ---------------------------------------------------------------------------
3256 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
3257 dnl ----------------
3258 dnl POSIX documents test-macros which an application may set before any system
3259 dnl headers are included to make features available.
3261 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
3262 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
3263 dnl recent features visible in the system header files unless the application
3264 dnl overrides the corresponding test-macros. Doing that introduces portability
3267 dnl This macro makes a special check for the symbols used for this, to avoid a
3268 dnl conflicting definition.
3269 AC_DEFUN([CF_POSIX_VISIBLE],
3271 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
3272 AC_TRY_COMPILE([#include <stdio.h>],[
3273 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
3274 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
3275 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
3276 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
3277 #error conflicting symbols found
3279 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
3282 dnl ---------------------------------------------------------------------------
3283 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
3285 dnl Check for archiver "ar".
3286 AC_DEFUN([CF_PROG_AR],[
3287 AC_CHECK_TOOL(AR, ar, ar)
3289 dnl ---------------------------------------------------------------------------
3290 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
3292 dnl Check for awk, ensure that the check found something.
3293 AC_DEFUN([CF_PROG_AWK],
3296 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
3298 dnl ---------------------------------------------------------------------------
3299 dnl CF_PROG_CC version: 5 updated: 2019/12/31 08:53:54
3301 dnl standard check for CC, plus followup sanity checks
3302 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3303 AC_DEFUN([CF_PROG_CC],[
3304 CF_ACVERSION_CHECK(2.53,
3305 [AC_MSG_WARN(this will incorrectly handle gnatgcc choice)
3306 AC_REQUIRE([AC_PROG_CC])],
3308 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3310 CF_ACVERSION_CHECK(2.52,
3315 dnl ---------------------------------------------------------------------------
3316 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3318 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3319 dnl the output file can be renamed, and allows for a shell variable that can
3320 dnl be used later. The parameter is either CC or CXX. The result is the
3322 dnl $cf_cv_prog_CC_c_o
3323 dnl $cf_cv_prog_CXX_c_o
3326 dnl $2 = compiler options, if any
3327 AC_DEFUN([CF_PROG_CC_C_O],
3328 [AC_REQUIRE([AC_PROG_CC])dnl
3329 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3330 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3332 cat > conftest.$ac_ext <<CF_EOF
3335 ${cf_cv_main_return:-return}(0);
3338 # We do the test twice because some compilers refuse to overwrite an
3339 # existing .o file with -o, though they will create one.
3340 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3341 if AC_TRY_EVAL(ac_try) &&
3342 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3344 eval cf_cv_prog_$1_c_o=yes
3346 eval cf_cv_prog_$1_c_o=no
3350 if test $cf_cv_prog_$1_c_o = yes; then
3351 AC_MSG_RESULT([yes])
3356 dnl ---------------------------------------------------------------------------
3357 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3359 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3360 dnl This macro adds a check to ensure the script found something.
3361 AC_DEFUN([CF_PROG_EGREP],
3362 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3363 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3364 then ac_cv_prog_egrep='grep -E'
3365 else ac_cv_prog_egrep='egrep'
3367 EGREP=$ac_cv_prog_egrep
3369 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3371 dnl ---------------------------------------------------------------------------
3372 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3374 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3375 AC_DEFUN([CF_PROG_EXT],
3377 AC_REQUIRE([CF_CHECK_CACHE])
3378 case $cf_cv_system_name in
3380 CFLAGS="$CFLAGS -Zmt"
3381 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3382 CXXFLAGS="$CXXFLAGS -Zmt"
3383 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3384 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3394 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3396 dnl ---------------------------------------------------------------------------
3397 dnl CF_PROG_GNAT version: 10 updated: 2019/12/31 08:53:54
3399 dnl Check for gnat/gnatmake/etc, ensure that the toolset is complete.
3400 AC_DEFUN([CF_PROG_GNAT],[
3401 for cf_prog_gnat in gnat gnatmake gprconfig gprbuild
3403 CF_UPPER(cf_upper_prog_gnat,${cf_prog_gnat})
3405 unset ac_cv_path_cf_TEMP_gnat
3407 AC_PATH_PROG(cf_TEMP_gnat,$cf_prog_gnat,no)
3408 eval cf_cv_PATH_$cf_upper_prog_gnat=[$]ac_cv_path_cf_TEMP_gnat
3410 if test "x$cf_TEMP_gnat" != xno; then
3411 unset cf_cv_gnat_version
3413 CF_GNAT_VERSION(cf_TEMP_gnat,$cf_prog_gnat)
3415 eval cf_cv_VERSION_$cf_upper_prog_gnat=[$]cf_TEMP_gnat
3418 unset cf_cv_gnat_version
3419 unset ac_cv_path_cf_TEMP_gnat
3422 if test "x$cf_cv_VERSION_GNATMAKE" = "xno"; then
3424 cf_cv_prog_gnat_correct=no
3426 cf_ada_make=gnatmake
3427 if test "x$cf_cv_VERSION_GPRCONFIG" = "xno"; then
3428 # gprconfig is newer than gnatmake; we can continue...
3431 rm -rf conftest* *~conftest*
3432 if mkdir conftest.src
3436 for cf_gprconfig in Ada C
3438 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3439 if test $cf_gprconfig = C
3441 for cf_gprconfig_param in \
3442 $cf_gprconfig,,,,GNATGCC \
3443 $cf_gprconfig,,,,GCC \
3446 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3447 test -n "$cf_gprconfig_value" && break
3450 cf_gprconfig_param=$cf_gprconfig
3451 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3453 if test -n "$cf_gprconfig_value"
3455 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3456 AC_MSG_RESULT($cf_gprconfig_value)
3458 AC_MSG_RESULT(missing)
3464 rm -rf conftest* *~conftest*
3467 if test "x$cf_ada_config" != "x#"
3470 CF_CHECK_GNAT_VERSION
3471 AC_CHECK_PROG(M4_exists, m4, yes, no)
3472 if test "$ac_cv_prog_M4_exists" = no; then
3473 cf_cv_prog_gnat_correct=no
3474 AC_MSG_WARN(Ada95 binding required program m4 not found. Ada95 binding disabled)
3476 if test "$cf_cv_prog_gnat_correct" = yes; then
3477 AC_MSG_CHECKING(if GNAT works)
3478 CF_GNAT_TRY_RUN([procedure conftest;],
3481 procedure conftest is
3483 Text_IO.Put ("Hello World");
3485 GNAT.OS_Lib.OS_Exit (0);
3487 [cf_cv_prog_gnat_correct=yes],
3488 [cf_cv_prog_gnat_correct=no])
3489 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3492 cf_cv_prog_gnat_correct=no
3496 AC_SUBST(cf_ada_make)
3497 AC_SUBST(cf_ada_config)
3498 AC_SUBST(cf_ada_config_Ada)
3499 AC_SUBST(cf_ada_config_C)
3501 dnl ---------------------------------------------------------------------------
3502 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3504 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3505 dnl misc/tabset install won't work properly. Usually this happens only when
3506 dnl using the fallback mkinstalldirs script
3507 AC_DEFUN([CF_PROG_INSTALL],
3513 CF_DIRNAME(cf_dir,$INSTALL)
3514 test -z "$cf_dir" && cf_dir=.
3515 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3519 dnl ---------------------------------------------------------------------------
3520 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3522 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3523 dnl option if it is supported.
3524 AC_DEFUN([CF_PROG_LN_S],[
3526 AC_MSG_CHECKING(if $LN_S -f options work)
3528 rm -f conf$$.src conf$$dst
3530 echo first >conf$$.src
3531 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3536 rm -f conf$$.dst conf$$src
3537 AC_MSG_RESULT($cf_prog_ln_sf)
3539 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3541 dnl ---------------------------------------------------------------------------
3542 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3543 dnl ----------------
3544 dnl Remove all -U and -D options that refer to the given symbol from a list
3545 dnl of C compiler options. This works around the problem that not all
3546 dnl compilers process -U and -D options from left-to-right, so a -U option
3547 dnl cannot be used to cancel the effect of a preceding -D option.
3549 dnl $1 = target (which could be the same as the source variable)
3550 dnl $2 = source (including '$')
3551 dnl $3 = symbol to remove
3552 define([CF_REMOVE_DEFINE],
3555 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3556 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3558 dnl ---------------------------------------------------------------------------
3559 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3561 dnl Remove the given library from the symbol
3563 dnl $1 = target (which could be the same as the source variable)
3564 dnl $2 = source (including '$')
3565 dnl $3 = library to remove
3566 define([CF_REMOVE_LIB],
3568 # remove $3 library from $2
3569 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3571 dnl ---------------------------------------------------------------------------
3572 dnl CF_RESTORE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:47:45
3573 dnl ---------------------
3574 dnl Restore flags saved in CF_SAVE_XTRA_FLAGS
3575 dnl $1 = name of current macro
3576 define([CF_RESTORE_XTRA_FLAGS],
3578 LIBS="$cf_save_LIBS_$1"
3579 CFLAGS="$cf_save_CFLAGS_$1"
3580 CPPFLAGS="$cf_save_CPPFLAGS_$1"
3582 dnl ---------------------------------------------------------------------------
3583 dnl CF_SAVE_XTRA_FLAGS version: 1 updated: 2020/01/11 16:46:44
3584 dnl ------------------
3585 dnl Use this macro to save CFLAGS/CPPFLAGS/LIBS before checks against X headers
3586 dnl and libraries which do not update those variables.
3588 dnl $1 = name of current macro
3589 define([CF_SAVE_XTRA_FLAGS],
3591 cf_save_LIBS_$1="$LIBS"
3592 cf_save_CFLAGS_$1="$CFLAGS"
3593 cf_save_CPPFLAGS_$1="$CPPFLAGS"
3594 LIBS="$LIBS ${X_PRE_LIBS} ${X_LIBS} ${X_EXTRA_LIBS}"
3595 for cf_X_CFLAGS in $X_CFLAGS
3597 case "x$cf_X_CFLAGS" in
3599 CPPFLAGS="$CPPFLAGS $cf_X_CFLAGS"
3602 CFLAGS="$CFLAGS $cf_X_CFLAGS"
3607 dnl ---------------------------------------------------------------------------
3608 dnl CF_SHARED_OPTS version: 102 updated: 2020/08/22 18:17:19
3611 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3615 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3616 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3617 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3618 dnl shared library since that can lead to unexpected results at runtime.
3619 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3620 dnl libraries are compiled in ../../lib
3622 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3623 dnl to install symbolic links to the rel/abi versions of shared libraries.
3625 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3626 dnl version when making symbolic links.
3628 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3629 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3630 dnl (ex: libncurses.so.<ver>).
3632 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3633 AC_DEFUN([CF_SHARED_OPTS],
3635 AC_REQUIRE([CF_LD_RPATH_OPT])
3641 INSTALL_LIB="-m 644"
3642 : ${rel_builddir:=.}
3650 cf_cv_do_symlinks=no
3652 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3654 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3655 AC_ARG_WITH(shlib-version,
3656 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3657 [test -z "$withval" && withval=auto
3660 cf_cv_shlib_version=auto
3663 cf_cv_shlib_version=$withval
3666 AC_MSG_RESULT($withval)
3667 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3670 ],[cf_cv_shlib_version=auto])
3671 AC_MSG_RESULT($cf_cv_shlib_version)
3676 # Some less-capable ports of gcc support only -fpic
3680 if test "$GCC" = yes
3684 case $cf_cv_system_name in
3685 (*linux*) # e.g., PGI compiler
3691 if test "$cf_try_fPIC" = yes
3693 AC_MSG_CHECKING(which $CC option to use)
3694 cf_save_CFLAGS="$CFLAGS"
3695 for CC_SHARED_OPTS in -fPIC -fpic ''
3697 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3698 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3700 AC_MSG_RESULT($CC_SHARED_OPTS)
3701 CFLAGS="$cf_save_CFLAGS"
3704 cf_cv_shlib_version_infix=no
3706 case $cf_cv_system_name in
3707 (aix4.[3-9]*|aix[[5-7]]*)
3708 if test "$GCC" = yes; then
3709 CC_SHARED_OPTS='-Wl,-brtl'
3710 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3712 CC_SHARED_OPTS='-brtl'
3713 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3714 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3718 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3722 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3723 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3724 cf_cv_shlib_version=cygdll
3725 cf_cv_shlib_version_infix=cygdll
3728 cat >mk_shared_lib.sh <<-CF_EOF
3731 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3734 Linking shared library
3735 ** SHARED_LIB \[$]SHARED_LIB
3736 ** IMPORT_LIB \[$]IMPORT_LIB
3738 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3740 chmod +x mk_shared_lib.sh
3744 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3745 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3746 cf_cv_shlib_version=msysdll
3747 cf_cv_shlib_version_infix=msysdll
3750 cat >mk_shared_lib.sh <<-CF_EOF
3753 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3756 Linking shared library
3757 ** SHARED_LIB \[$]SHARED_LIB
3758 ** IMPORT_LIB \[$]IMPORT_LIB
3760 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3762 chmod +x mk_shared_lib.sh
3765 cf_try_cflags="no-cpp-precomp"
3766 CC_SHARED_OPTS="-dynamic"
3767 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3768 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3769 cf_cv_shlib_version_infix=yes
3770 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3771 cf_save_LDFLAGS=$LDFLAGS
3772 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3773 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3774 LDFLAGS=$cf_save_LDFLAGS])
3775 if test $cf_cv_ldflags_search_paths_first = yes; then
3776 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3780 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3781 if test "$GCC" != yes; then
3784 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3785 INSTALL_LIB="-m 555"
3788 # (tested with gcc 2.7.2 -- I don't have c89)
3789 if test "$GCC" = yes; then
3790 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3793 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3795 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3796 # HP-UX shared libraries must be executable, and should be
3797 # readonly to exploit a quirk in the memory manager.
3798 INSTALL_LIB="-m 555"
3801 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3802 if test "$cf_cv_shlib_version" = rel; then
3803 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3805 cf_shared_soname='`basename $[@]`'
3808 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3811 if test "$cf_cv_enable_rpath" = yes ; then
3812 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3814 # tested with IRIX 5.2 and 'cc'.
3815 if test "$GCC" != yes; then
3816 CC_SHARED_OPTS='-KPIC'
3817 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3819 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3821 cf_cv_rm_so_locs=yes
3823 (linux*|gnu*|k*bsd*-gnu)
3824 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3825 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3826 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3828 if test "$cf_cv_enable_rpath" = yes ; then
3829 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3832 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3835 cf_cv_shlib_version=msvcdll
3836 cf_cv_shlib_version_infix=msvcdll
3839 if test "$DFT_LWR_MODEL" = "shared" ; then
3840 LOCAL_LDFLAGS="-link -dll"
3841 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3842 EXTRA_LDFLAGS="-link -dll $EXTRA_LDFLAGS"
3845 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ ${LD} [$]{CFLAGS}'
3846 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.lib"
3847 cat >mk_shared_lib.sh <<-CF_EOF
3850 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.lib/'\`
3855 Linking shared library
3856 ** SHARED LIB \$SHARED_LIB
3857 ** IMPORT_LIB \$IMPORT_LIB
3859 args=\$(echo \[$]* | sed -E "s#-l(\w*)#\1.dll.lib#g" | sed -E "s#-L(\w*)#-LIBPATH:\1#g")
3860 exec \$my_ld -DLL -IMPLIB:"\${IMPORT_LIB}" -OUT:"\${SHARED_LIB}" ${LDFLAGS} \$args
3861 mv "\${IMPORT_LIB}" "\${IMPORT_LIB}"
3863 chmod +x mk_shared_lib.sh
3864 cat >mk_prog.sh <<-CF_EOF
3867 # Ignore first argument (compiler) and use LD (link.exe) unconditionally
3870 ldopts=("/subsystem:console")
3873 while test \[$]# -gt 0; do
3876 # ignore -link argument
3878 -M[[TD]] | -M[[TD]]d)
3879 # ignore runtime-library option
3894 libs+=("\`echo \"\[$]1\" | sed \"s/^-l//\"\`")
3897 ldopts+=("\`echo \"\[$]1\" | sed \"s/^-L/-LIBPATH:/\"\`")
3903 for linkarg in \`echo '\[$]1' | sed -e 's/-Wl,//' -e 's/,/ /'\`; do
3904 ldopts+=("\[$]{linkarg}")
3912 ldopts+=("-out:\[$]1")
3921 if [[ "\$isdll" -ne 0 ]]; then
3922 for lib in \[$]{libs[[*]]}; do
3923 ldopts+=("\[$]lib.dll.lib")
3926 for lib in \[$]{libs[[*]]}; do
3927 ldopts+=("\[$]lib.lib")
3932 ** ld options: "\[$]{ldopts[[@]]}"
3934 exec \[$]LD \[$]{ldopts[[@]]}
3937 LINK_PROGS="$SHELL ${rel_builddir}/mk_prog.sh"
3938 LINK_TESTS="$SHELL ${rel_builddir}/mk_prog.sh"
3941 cf_cv_shlib_version=mingw
3942 cf_cv_shlib_version_infix=mingw
3945 if test "$DFT_LWR_MODEL" = "shared" ; then
3946 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3947 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3948 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3951 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3952 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3953 cat >mk_shared_lib.sh <<-CF_EOF
3956 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3959 Linking shared library
3960 ** SHARED_LIB \[$]SHARED_LIB
3961 ** IMPORT_LIB \[$]IMPORT_LIB
3963 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3965 chmod +x mk_shared_lib.sh
3967 (openbsd[[2-9]].*|mirbsd*)
3968 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3969 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3970 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3972 if test "$cf_cv_enable_rpath" = yes ; then
3973 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3975 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3977 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3981 MK_SHARED_LIB='${LD} -Wshared -Weld=-export_all -o $[@]'
3985 MK_SHARED_LIB='${LD} -Wshared -Wxld=-export_all -o $[@]'
3987 (nto-qnx*|openbsd*|freebsd[[12]].*)
3988 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3989 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3990 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3992 (dragonfly*|freebsd*)
3993 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3994 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3995 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3996 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3997 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4000 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
4003 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
4004 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
4005 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
4006 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4007 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
4008 if test "$cf_cv_shlib_version" = auto; then
4009 if test -f /usr/libexec/ld.elf_so; then
4010 cf_cv_shlib_version=abi
4012 cf_cv_shlib_version=rel
4016 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
4018 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -o $[@]'
4022 # tested with OSF/1 V3.2 and 'cc'
4023 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
4024 # link with shared libs).
4025 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
4028 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
4031 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
4032 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
4033 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
4034 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4036 cf_cv_rm_so_locs=yes
4038 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
4039 # tested with osr5.0.5
4040 if test "$GCC" != yes; then
4041 CC_SHARED_OPTS='-belf -KPIC'
4043 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
4044 if test "$cf_cv_enable_rpath" = yes ; then
4045 # only way is to set LD_RUN_PATH but no switch for it
4048 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4049 LINK_PROGS='LD_RUN_PATH=${libdir}'
4050 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
4053 # tested with SunOS 4.1.1 and gcc 2.7.0
4054 if test "$GCC" != yes; then
4055 CC_SHARED_OPTS='-KPIC'
4057 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
4058 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
4061 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
4062 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
4063 if test "$DFT_LWR_MODEL" = "shared" ; then
4064 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
4065 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
4067 if test "$cf_cv_enable_rpath" = yes ; then
4068 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
4071 if test "$GCC" != yes; then
4072 cf_save_CFLAGS="$CFLAGS"
4073 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
4075 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
4076 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
4078 CFLAGS="$cf_save_CFLAGS"
4079 CC_SHARED_OPTS=$cf_shared_opts
4080 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4082 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
4085 (sysv5uw7*|unix_sv*)
4086 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
4087 if test "$GCC" != yes; then
4088 CC_SHARED_OPTS='-KPIC'
4090 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
4093 CC_SHARED_OPTS='unknown'
4094 MK_SHARED_LIB='echo unknown'
4098 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
4099 case "$cf_cv_shlib_version" in
4101 case "$MK_SHARED_LIB" in
4103 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
4106 AC_MSG_WARN(ignored --with-shlib-version)
4112 if test -n "$cf_try_cflags"
4114 cat > conftest.$ac_ext <<EOF
4115 #line __oline__ "${as_me:-configure}"
4117 int main(int argc, char *argv[[]])
4120 return (argv[[argc-1]] == 0) ;
4123 cf_save_CFLAGS="$CFLAGS"
4124 for cf_opt in $cf_try_cflags
4126 CFLAGS="$cf_save_CFLAGS -$cf_opt"
4127 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
4128 if AC_TRY_EVAL(ac_compile); then
4130 cf_save_CFLAGS="$CFLAGS"
4135 CFLAGS="$cf_save_CFLAGS"
4139 # RPATH_LIST is a colon-separated list of directories
4140 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
4141 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
4143 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
4145 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
4146 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
4148 AC_SUBST(CC_SHARED_OPTS)
4149 AC_SUBST(LD_RPATH_OPT)
4150 AC_SUBST(LD_SHARED_OPTS)
4151 AC_SUBST(MK_SHARED_LIB)
4152 AC_SUBST(RM_SHARED_OPTS)
4154 AC_SUBST(LINK_PROGS)
4155 AC_SUBST(LINK_TESTS)
4157 AC_SUBST(EXTRA_LDFLAGS)
4158 AC_SUBST(LOCAL_LDFLAGS)
4159 AC_SUBST(LOCAL_LDFLAGS2)
4161 AC_SUBST(INSTALL_LIB)
4162 AC_SUBST(RPATH_LIST)
4164 dnl ---------------------------------------------------------------------------
4165 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
4166 dnl ----------------
4167 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
4168 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
4171 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
4172 dnl If missing, use "rel".
4173 define([CF_SHARED_SONAME],
4175 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
4176 if test "$cf_cv_shlib_version" = rel; then
4177 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
4179 cf_cv_shared_soname='`basename $[@]`'
4182 dnl ---------------------------------------------------------------------------
4183 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
4185 dnl Remove "-g" option from the compiler options
4186 AC_DEFUN([CF_STRIP_G_OPT],
4187 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
4188 dnl ---------------------------------------------------------------------------
4189 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
4191 dnl Construct a search-list for a nonstandard header/lib-file
4192 dnl $1 = the variable to return as result
4193 dnl $2 = the package name
4194 dnl $3 = the subdirectory, e.g., bin, include or lib
4195 AC_DEFUN([CF_SUBDIR_PATH],
4199 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
4201 for cf_subdir_prefix in \
4209 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
4212 dnl ---------------------------------------------------------------------------
4213 dnl CF_TERM_HEADER version: 5 updated: 2020/03/19 20:23:48
4215 dnl Look for term.h, which is part of X/Open curses. It defines the interface
4216 dnl to terminfo database. Usually it is in the same include-path as curses.h,
4217 dnl but some packagers change this, breaking various applications.
4218 AC_DEFUN([CF_TERM_HEADER],[
4219 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
4220 case ${cf_cv_ncurses_header} in
4221 (*/ncurses.h|*/ncursesw.h)
4222 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
4225 cf_term_header=term.h
4229 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
4231 AC_TRY_COMPILE([#include <stdio.h>
4232 #include <${cf_cv_ncurses_header:-curses.h}>
4234 ],[int x = auto_left_margin; (void)x],[
4235 cf_cv_term_header="$cf_test"],[
4236 cf_cv_term_header=unknown
4238 test "$cf_cv_term_header" != unknown && break
4242 # Set definitions to allow ifdef'ing to accommodate subdirectories
4244 case $cf_cv_term_header in
4246 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
4250 case $cf_cv_term_header in
4252 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
4255 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
4259 dnl ---------------------------------------------------------------------------
4260 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
4262 dnl Define a top_builddir symbol, for applications that need an absolute path.
4263 AC_DEFUN([CF_TOP_BUILDDIR],
4265 top_builddir=ifelse($1,,`pwd`,$1)
4266 AC_SUBST(top_builddir)
4268 dnl ---------------------------------------------------------------------------
4269 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
4270 dnl -------------------
4271 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
4272 dnl can define it successfully.
4273 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
4274 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
4278 #include <sys/types.h>
4280 #ifndef _XOPEN_SOURCE
4283 [cf_cv_xopen_source=no],
4284 [cf_save="$CPPFLAGS"
4285 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
4289 #include <sys/types.h>
4291 #ifdef _XOPEN_SOURCE
4294 [cf_cv_xopen_source=no],
4295 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
4300 if test "$cf_cv_xopen_source" != no ; then
4301 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
4302 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
4303 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
4304 CF_ADD_CFLAGS($cf_temp_xopen_source)
4307 dnl ---------------------------------------------------------------------------
4308 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
4310 dnl Make an uppercase version of a variable
4311 dnl $1=uppercase($2)
4312 AC_DEFUN([CF_UPPER],
4314 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4316 dnl ---------------------------------------------------------------------------
4317 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
4319 dnl Check for multibyte support, and if not found, utf8 compatibility library
4320 AC_DEFUN([CF_UTF8_LIB],
4322 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
4323 cf_save_LIBS="$LIBS"
4325 #include <stdlib.h>],[putwc(0,0);],
4326 [cf_cv_utf8_lib=yes],
4328 #include <libutf8.h>],[putwc(0,0);],utf8,
4329 [cf_cv_utf8_lib=add-on],
4330 [cf_cv_utf8_lib=no])
4333 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
4335 if test "$cf_cv_utf8_lib" = "add-on" ; then
4336 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
4337 CF_ADD_INCDIR($cf_cv_header_path_utf8)
4338 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
4339 CF_ADD_LIBS($cf_cv_library_file_utf8)
4342 dnl ---------------------------------------------------------------------------
4343 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
4345 dnl Use AC_VERBOSE w/o the warnings
4346 AC_DEFUN([CF_VERBOSE],
4347 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
4350 dnl ---------------------------------------------------------------------------
4351 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
4353 dnl Check for compiler-support for weak symbols.
4354 dnl This works with "recent" gcc.
4355 AC_DEFUN([CF_WEAK_SYMBOLS],[
4356 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
4359 #include <stdio.h>],
4361 #if defined(__GNUC__)
4362 # if defined __USE_ISOC99
4363 # define _cat_pragma(exp) _Pragma(#exp)
4364 # define _weak_pragma(exp) _cat_pragma(weak name)
4366 # define _weak_pragma(exp)
4368 # define _declare(name) __extension__ extern __typeof__(name) name
4369 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
4373 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
4376 dnl ---------------------------------------------------------------------------
4377 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
4378 dnl --------------------
4379 dnl Command-line option to specify the Ada95 compiler.
4380 AC_DEFUN([CF_WITH_ADA_COMPILER],[
4381 AC_MSG_CHECKING(for ada-compiler)
4382 AC_ARG_WITH(ada-compiler,
4383 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
4384 [cf_ada_compiler=$withval],
4385 [cf_ada_compiler=gnatmake])
4386 AC_SUBST(cf_ada_compiler)
4387 AC_MSG_RESULT($cf_ada_compiler)
4389 dnl ---------------------------------------------------------------------------
4390 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
4391 dnl -------------------
4392 dnl Command-line option to specify where Ada includes will install.
4393 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
4394 AC_MSG_CHECKING(for ada-include)
4395 CF_WITH_PATH(ada-include,
4396 [ --with-ada-include=DIR Ada includes are in DIR],
4398 PREFIX/share/ada/adainclude,
4399 [$]prefix/share/ada/adainclude)
4400 AC_SUBST(ADA_INCLUDE)
4401 AC_MSG_RESULT($ADA_INCLUDE)
4403 dnl ---------------------------------------------------------------------------
4404 dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
4405 dnl -------------------
4406 dnl CF_WITH_ADA_LIBNAME
4407 dnl -------------------
4408 dnl Command-line option to specify how to name the resulting Ada library.
4409 dnl $1 = default value
4410 AC_DEFUN([CF_WITH_ADA_LIBNAME],[
4411 AC_MSG_CHECKING(for ada-libname)
4412 AC_ARG_WITH(ada-libname,
4413 [ --with-ada-libname=XXX override default Ada library-name],
4414 ADA_LIBNAME=[$]withval,
4416 case "x$ADA_LIBNAME" in
4421 AC_SUBST(ADA_LIBNAME)
4422 AC_MSG_RESULT($ADA_LIBNAME)
4424 dnl ---------------------------------------------------------------------------
4425 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
4426 dnl -------------------
4427 dnl Command-line option to specify where Ada objects will install.
4428 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
4429 AC_MSG_CHECKING(for ada-objects)
4430 CF_WITH_PATH(ada-objects,
4431 [ --with-ada-objects=DIR Ada objects are in DIR],
4433 PREFIX/lib/ada/adalib,
4434 [$]prefix/lib/ada/adalib)
4435 AC_SUBST(ADA_OBJECTS)
4436 AC_MSG_RESULT($ADA_OBJECTS)
4438 dnl ---------------------------------------------------------------------------
4439 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
4440 dnl ---------------------
4441 dnl Command-line option to specify if an Ada95 shared-library should be built,
4442 dnl and optionally what its soname should be.
4443 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
4444 AC_REQUIRE([CF_GNAT_PROJECTS])
4445 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
4446 AC_ARG_WITH(ada-sharedlib,
4447 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
4448 [with_ada_sharedlib=$withval],
4449 [with_ada_sharedlib=no])
4450 AC_MSG_RESULT($with_ada_sharedlib)
4452 if test "x$with_ada_sharedlib" != xno
4454 if test "x$cf_gnat_projects" != xyes
4456 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
4457 with_ada_sharedlib=no
4461 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
4462 MAKE_ADA_SHAREDLIB="#"
4464 if test "x$with_ada_sharedlib" != xno
4467 if test "x$with_ada_sharedlib" != xyes
4469 ADA_SHAREDLIB="$with_ada_sharedlib"
4473 AC_SUBST(ADA_SHAREDLIB)
4474 AC_SUBST(MAKE_ADA_SHAREDLIB)
4476 dnl ---------------------------------------------------------------------------
4477 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
4478 dnl ------------------
4479 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
4481 AC_DEFUN([CF_WITH_CURSES_DIR],[
4483 AC_MSG_CHECKING(for specific curses-directory)
4484 AC_ARG_WITH(curses-dir,
4485 [ --with-curses-dir=DIR directory in which (n)curses is installed],
4486 [cf_cv_curses_dir=$withval],
4487 [cf_cv_curses_dir=no])
4488 AC_MSG_RESULT($cf_cv_curses_dir)
4490 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
4492 CF_PATH_SYNTAX(withval)
4493 if test -d "$cf_cv_curses_dir"
4495 CF_ADD_INCDIR($cf_cv_curses_dir/include)
4496 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4500 dnl ---------------------------------------------------------------------------
4501 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4502 dnl ------------------
4503 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4504 dnl "lib" prefix, e.g., because it used the dll naming convention.
4506 dnl $1 = variable to set
4507 AC_DEFUN([CF_WITH_LIB_PREFIX],
4509 AC_MSG_CHECKING(if you want to have a library-prefix)
4510 AC_ARG_WITH(lib-prefix,
4511 [ --with-lib-prefix override library-prefix],
4512 [with_lib_prefix=$withval],
4513 [with_lib_prefix=auto])
4514 AC_MSG_RESULT($with_lib_prefix)
4516 if test $with_lib_prefix = auto
4519 elif test $with_lib_prefix = no
4523 LIB_PREFIX=$with_lib_prefix
4526 dnl ---------------------------------------------------------------------------
4527 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4529 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4530 dnl defaulting to yes/no.
4532 dnl $1 = option name
4534 dnl $3 = environment variable to set
4535 dnl $4 = default value, shown in the help-message, must be a constant
4536 dnl $5 = default value, if it's an expression & cannot be in the help-message
4538 AC_DEFUN([CF_WITH_PATH],
4539 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4540 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4541 if ifelse([$5],,true,[test -n "$5"]) ; then
4542 CF_PATH_SYNTAX(withval)
4547 dnl ---------------------------------------------------------------------------
4548 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4549 dnl -------------------------
4550 dnl Allow the choice of the pkg-config library directory to be overridden.
4551 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4555 AC_MSG_CHECKING(for pkg-config library directory)
4558 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4562 PKG_CONFIG_LIBDIR=no
4563 AC_ARG_WITH(pkg-config-libdir,
4564 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4565 [PKG_CONFIG_LIBDIR=$withval],
4566 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4568 case x$PKG_CONFIG_LIBDIR in
4572 # Look for the library directory using the same prefix as the executable
4573 if test "x$PKG_CONFIG" = xnone
4577 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4580 # If you don't like using the default architecture, you have to specify the
4581 # intended library directory and corresponding compiler/linker options.
4583 # This case allows for Debian's 2014-flavor of multiarch, along with the
4584 # most common variations before that point. Some other variants spell the
4585 # directory differently, e.g., "pkg-config", and put it in unusual places.
4586 # pkg-config has always been poorly standardized, which is ironic...
4587 case x`(arch) 2>/dev/null` in
4590 $cf_path/lib/*64-linux-gnu \
4598 $cf_path/lib/*-linux-gnu \
4607 for cf_config in $cf_search_path
4609 CF_VERBOSE(checking $cf_config/pkgconfig)
4610 if test -d $cf_config/pkgconfig
4612 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4613 AC_MSG_CHECKING(done)
4622 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4623 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4626 AC_SUBST(PKG_CONFIG_LIBDIR)
4628 dnl ---------------------------------------------------------------------------
4629 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4631 dnl Check for POSIX thread library.
4632 AC_DEFUN([CF_WITH_PTHREAD],
4634 AC_MSG_CHECKING(if you want to link with the pthread library)
4635 AC_ARG_WITH(pthread,
4636 [ --with-pthread use POSIX thread library],
4637 [with_pthread=$withval],
4639 AC_MSG_RESULT($with_pthread)
4641 if test "$with_pthread" != no ; then
4642 AC_CHECK_HEADER(pthread.h,[
4643 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4645 for cf_lib_pthread in pthread c_r
4647 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4648 cf_save_LIBS="$LIBS"
4649 CF_ADD_LIB($cf_lib_pthread)
4651 #include <pthread.h>
4653 int rc = pthread_create(0,0,0,0);
4654 int r2 = pthread_mutexattr_settype(0, 0);
4655 ],[with_pthread=yes],[with_pthread=no])
4656 LIBS="$cf_save_LIBS"
4657 AC_MSG_RESULT($with_pthread)
4658 test "$with_pthread" = yes && break
4661 if test "$with_pthread" = yes ; then
4662 CF_ADD_LIB($cf_lib_pthread)
4663 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4665 AC_MSG_ERROR(Cannot link with pthread library)
4670 dnl ---------------------------------------------------------------------------
4671 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4673 dnl For testing, override the derived host system-type which is used to decide
4674 dnl things such as the linker commands used to build shared libraries. This is
4675 dnl normally chosen automatically based on the type of system which you are
4676 dnl building on. We use it for testing the configure script.
4678 dnl This is different from the --host option: it is used only for testing parts
4679 dnl of the configure script which would not be reachable with --host since that
4680 dnl relies on the build environment being real, rather than mocked up.
4681 AC_DEFUN([CF_WITH_SYSTYPE],[
4682 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4683 AC_ARG_WITH(system-type,
4684 [ --with-system-type=XXX test: override derived host system-type],
4685 [AC_MSG_WARN(overriding system type to $withval)
4686 cf_cv_system_name=$withval
4690 dnl ---------------------------------------------------------------------------
4691 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4693 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4694 dnl or adapt to the vendor's definitions to get equivalent functionality,
4695 dnl without losing the common non-POSIX features.
4698 dnl $1 is the nominal value for _XOPEN_SOURCE
4699 dnl $2 is the nominal value for _POSIX_C_SOURCE
4700 AC_DEFUN([CF_XOPEN_SOURCE],[
4701 AC_REQUIRE([AC_CANONICAL_HOST])
4702 AC_REQUIRE([CF_POSIX_VISIBLE])
4704 if test "$cf_cv_posix_visible" = no; then
4706 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4707 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4712 cf_xopen_source="-D_ALL_SOURCE"
4718 cf_xopen_source="-D_APPLE_C_SOURCE"
4721 cf_xopen_source="-D_DARWIN_C_SOURCE"
4724 (freebsd*|dragonfly*|midnightbsd*)
4725 # 5.x headers associate
4726 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4727 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4728 cf_POSIX_C_SOURCE=200112L
4730 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4733 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4736 cf_xopen_source="-D_HPUX_SOURCE"
4739 cf_xopen_source="-D_SGI_SOURCE"
4742 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4743 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4746 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4749 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4751 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4754 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4757 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4758 cf_xopen_source="-D_BSD_SOURCE"
4762 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4765 cf_xopen_source="-D_OSF_SOURCE"
4768 cf_xopen_source="-D_QNX_SOURCE"
4771 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4774 cf_xopen_source="-D__EXTENSIONS__"
4775 cf_cv_xopen_source=broken
4777 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4783 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4787 if test -n "$cf_xopen_source" ; then
4788 CF_ADD_CFLAGS($cf_xopen_source,true)
4791 dnl In anything but the default case, we may have system-specific setting
4792 dnl which is still not guaranteed to provide all of the entrypoints that
4793 dnl _XOPEN_SOURCE would yield.
4794 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4795 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4796 AC_TRY_COMPILE([#include <stdlib.h>],[
4797 #ifndef _XOPEN_SOURCE
4800 [cf_XOPEN_SOURCE_set=yes],
4801 [cf_XOPEN_SOURCE_set=no])
4802 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4803 if test $cf_XOPEN_SOURCE_set = yes
4805 AC_TRY_COMPILE([#include <stdlib.h>],[
4806 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4809 [cf_XOPEN_SOURCE_set_ok=yes],
4810 [cf_XOPEN_SOURCE_set_ok=no])
4811 if test $cf_XOPEN_SOURCE_set_ok = no
4813 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4819 fi # cf_cv_posix_visible