1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2017,2018 Free Software Foundation, Inc. *
4 dnl Permission is hereby granted, free of charge, to any person obtaining a *
5 dnl copy of this software and associated documentation files (the *
6 dnl "Software"), to deal in the Software without restriction, including *
7 dnl without limitation the rights to use, copy, modify, merge, publish, *
8 dnl distribute, distribute with modifications, sublicense, and/or sell *
9 dnl copies of the Software, and to permit persons to whom the Software is *
10 dnl furnished to do so, subject to the following conditions: *
12 dnl The above copyright notice and this permission notice shall be included *
13 dnl in all copies or substantial portions of the Software. *
15 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
16 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
17 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
18 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
19 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
20 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
21 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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24 dnl holders shall not be used in advertising or otherwise to promote the *
25 dnl sale, use or other dealings in this Software without prior written *
27 dnl***************************************************************************
29 dnl Author: Thomas E. Dickey
31 dnl $Id: aclocal.m4,v 1.139 2018/11/11 00:48:11 tom Exp $
32 dnl Macros used in NCURSES Ada95 auto-configuration script.
34 dnl These macros are maintained separately from NCURSES. The copyright on
35 dnl this file applies to the aggregation of macros and does not affect use of
36 dnl these macros in other applications.
38 dnl See https://invisible-island.net/autoconf/ for additional information.
40 dnl ---------------------------------------------------------------------------
41 dnl ---------------------------------------------------------------------------
42 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
43 dnl ------------------
44 dnl Conditionally generate script according to whether we're using a given autoconf.
46 dnl $1 = version to compare against
47 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
48 dnl $3 = code to use if AC_ACVERSION is older than $1.
49 define([CF_ACVERSION_CHECK],
51 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
52 ifdef([m4_version_compare],
53 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
54 [CF_ACVERSION_COMPARE(
55 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
56 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
57 dnl ---------------------------------------------------------------------------
58 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
59 dnl --------------------
60 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
61 dnl MAJOR2, MINOR2, TERNARY2,
62 dnl PRINTABLE2, not FOUND, FOUND)
63 define([CF_ACVERSION_COMPARE],
64 [ifelse(builtin([eval], [$2 < $5]), 1,
65 [ifelse([$8], , ,[$8])],
66 [ifelse([$9], , ,[$9])])])dnl
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
69 dnl -------------------
70 dnl Construct the list of include-options for the C programs in the Ada95
72 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
74 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
75 if test "$srcdir" != "."; then
76 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
78 if test "$GCC" != yes; then
79 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
80 elif test "$includedir" != "/usr/include"; then
81 if test "$includedir" = '${prefix}/include' ; then
82 if test x$prefix != x/usr ; then
83 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
86 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
91 dnl ---------------------------------------------------------------------------
92 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
94 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
95 AC_DEFUN([CF_ADD_ADAFLAGS],[
96 ADAFLAGS="$ADAFLAGS $1"
99 dnl ---------------------------------------------------------------------------
100 dnl CF_ADD_CFLAGS version: 13 updated: 2017/02/25 18:57:40
102 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
103 dnl The second parameter if given makes this macro verbose.
105 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
106 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
107 dnl confused by the quotes (which require backslashes to keep them usable).
108 AC_DEFUN([CF_ADD_CFLAGS],
113 cf_new_extra_cppflags=
115 for cf_add_cflags in $1
117 case $cf_fix_cppflags in
119 case $cf_add_cflags in
120 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
121 case $cf_add_cflags in
123 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
125 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
126 && test -z "${cf_tst_cflags}" \
127 && cf_fix_cppflags=yes
129 if test $cf_fix_cppflags = yes ; then
130 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
142 case $cf_add_cflags in
144 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
145 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
148 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
153 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
158 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
160 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
162 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
163 && test -z "${cf_tst_cflags}" \
164 && cf_fix_cppflags=no
169 if test -n "$cf_new_cflags" ; then
170 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
171 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
190 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
191 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
192 dnl but old versions (and some misinstalled ones) need that. To make things
193 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
194 dnl the include-path).
195 AC_DEFUN([CF_ADD_INCDIR],
197 if test -n "$1" ; then
198 for cf_add_incdir in $1
200 while test $cf_add_incdir != /usr/include
202 if test -d $cf_add_incdir
205 if test -n "$CFLAGS$CPPFLAGS" ; then
206 # a loop is needed to ensure we can add subdirs of existing dirs
207 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
208 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
209 cf_have_incdir=yes; break
214 if test "$cf_have_incdir" = no ; then
215 if test "$cf_add_incdir" = /usr/local/include ; then
218 cf_save_CPPFLAGS=$CPPFLAGS
219 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
220 AC_TRY_COMPILE([#include <stdio.h>],
223 [cf_have_incdir=yes])
224 CPPFLAGS=$cf_save_CPPFLAGS
229 if test "$cf_have_incdir" = no ; then
230 CF_VERBOSE(adding $cf_add_incdir to include-path)
231 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
233 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
234 test "$cf_top_incdir" = "$cf_add_incdir" && break
235 cf_add_incdir="$cf_top_incdir"
246 dnl ---------------------------------------------------------------------------
247 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
249 dnl Add a library, used to enforce consistency.
251 dnl $1 = library to add, without the "-l"
252 dnl $2 = variable to update (default $LIBS)
253 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
254 dnl ---------------------------------------------------------------------------
255 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
257 dnl Adds to the library-path
259 dnl Some machines have trouble with multiple -L options.
261 dnl $1 is the (list of) directory(s) to add
262 dnl $2 is the optional name of the variable to update (default LDFLAGS)
264 AC_DEFUN([CF_ADD_LIBDIR],
266 if test -n "$1" ; then
267 for cf_add_libdir in $1
269 if test $cf_add_libdir = /usr/lib ; then
271 elif test -d $cf_add_libdir
274 if test -n "$LDFLAGS$LIBS" ; then
275 # a loop is needed to ensure we can add subdirs of existing dirs
276 for cf_test_libdir in $LDFLAGS $LIBS ; do
277 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
278 cf_have_libdir=yes; break
282 if test "$cf_have_libdir" = no ; then
283 CF_VERBOSE(adding $cf_add_libdir to library-path)
284 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
290 dnl ---------------------------------------------------------------------------
291 dnl CF_ADD_LIBS version: 2 updated: 2014/07/13 14:33:27
293 dnl Add one or more libraries, used to enforce consistency. Libraries are
294 dnl prepended to an existing list, since their dependencies are assumed to
295 dnl already exist in the list.
297 dnl $1 = libraries to add, with the "-l", etc.
298 dnl $2 = variable to update (default $LIBS)
299 AC_DEFUN([CF_ADD_LIBS],[
301 # Filter out duplicates - this happens with badly-designed ".pc" files...
302 for cf_add_1lib in [$]ifelse($2,,LIBS,[$2])
304 for cf_add_2lib in $cf_add_libs
306 if test "x$cf_add_1lib" = "x$cf_add_2lib"
312 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_libs $cf_add_1lib"
314 ifelse($2,,LIBS,[$2])="$cf_add_libs"
316 dnl ---------------------------------------------------------------------------
317 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
318 dnl ------------------
319 dnl Append to a search-list for a nonstandard header/lib-file
320 dnl $1 = the variable to return as result
321 dnl $2 = the package name
322 dnl $3 = the subdirectory, e.g., bin, include or lib
323 dnl $4 = the directory under which we will test for subdirectories
324 dnl $5 = a directory that we do not want $4 to match
325 AC_DEFUN([CF_ADD_SUBDIR_PATH],
327 test "x$4" != "x$5" && \
329 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
330 test -n "$verbose" && echo " ... testing for $3-directories under $4"
331 test -d $4/$3 && $1="[$]$1 $4/$3"
332 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
333 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
334 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
335 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
338 dnl ---------------------------------------------------------------------------
339 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
341 dnl use this macro for appending text without introducing an extra blank at
343 define([CF_APPEND_TEXT],
345 test -n "[$]$1" && $1="[$]$1 "
348 dnl ---------------------------------------------------------------------------
349 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
351 dnl Allow user to disable a normally-on option.
352 AC_DEFUN([CF_ARG_DISABLE],
353 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
354 dnl ---------------------------------------------------------------------------
355 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
357 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
363 dnl $3 = action to perform if option is not default
364 dnl $4 = action if perform if option is default
365 dnl $5 = default option value (either 'yes' or 'no')
366 AC_DEFUN([CF_ARG_OPTION],
367 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
368 if test "$enableval" != "$5" ; then
370 ,[ $3]) ifelse([$4],,,[
373 fi],[enableval=$5 ifelse([$4],,,[
377 dnl ---------------------------------------------------------------------------
378 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
380 dnl Check for suitable "ar" (archiver) options for updating an archive.
382 dnl In particular, handle some obsolete cases where the "-" might be omitted,
383 dnl as well as a workaround for breakage of make's archive rules by the GNU
384 dnl binutils "ar" program.
385 AC_DEFUN([CF_AR_FLAGS],[
386 AC_REQUIRE([CF_PROG_AR])
388 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
389 cf_cv_ar_flags=unknown
390 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
393 # check if $ARFLAGS already contains this choice
394 if test "x$ARFLAGS" != "x" ; then
395 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
396 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
402 rm -f conftest.$ac_cv_objext
405 cat >conftest.$ac_ext <<EOF
406 #line __oline__ "configure"
407 int testdata[[3]] = { 123, 456, 789 };
409 if AC_TRY_EVAL(ac_compile) ; then
410 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
411 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
412 if test -f conftest.a ; then
413 cf_cv_ar_flags=$cf_ar_flags
417 CF_VERBOSE(cannot compile test-program)
421 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
424 if test -n "$ARFLAGS" ; then
425 if test -n "$cf_cv_ar_flags" ; then
426 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
429 ARFLAGS=$cf_cv_ar_flags
434 dnl ---------------------------------------------------------------------------
435 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
437 dnl If we're cross-compiling, allow the user to override the tools and their
438 dnl options. The configure script is oriented toward identifying the host
439 dnl compiler, etc., but we need a build compiler to generate parts of the
442 dnl $1 = default for $CPPFLAGS
443 dnl $2 = default for $LIBS
444 AC_DEFUN([CF_BUILD_CC],[
445 CF_ACVERSION_CHECK(2.52,,
446 [AC_REQUIRE([CF_PROG_EXT])])
447 if test "$cross_compiling" = yes ; then
449 # defaults that we might want to override
450 : ${BUILD_CFLAGS:=''}
451 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
452 : ${BUILD_LDFLAGS:=''}
453 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
454 : ${BUILD_EXEEXT:='$x'}
455 : ${BUILD_OBJEXT:='o'}
457 AC_ARG_WITH(build-cc,
458 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
459 [BUILD_CC="$withval"],
460 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
461 AC_MSG_CHECKING(for native build C compiler)
462 AC_MSG_RESULT($BUILD_CC)
464 AC_MSG_CHECKING(for native build C preprocessor)
465 AC_ARG_WITH(build-cpp,
466 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
467 [BUILD_CPP="$withval"],
468 [BUILD_CPP='${BUILD_CC} -E'])
469 AC_MSG_RESULT($BUILD_CPP)
471 AC_MSG_CHECKING(for native build C flags)
472 AC_ARG_WITH(build-cflags,
473 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
474 [BUILD_CFLAGS="$withval"])
475 AC_MSG_RESULT($BUILD_CFLAGS)
477 AC_MSG_CHECKING(for native build C preprocessor-flags)
478 AC_ARG_WITH(build-cppflags,
479 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
480 [BUILD_CPPFLAGS="$withval"])
481 AC_MSG_RESULT($BUILD_CPPFLAGS)
483 AC_MSG_CHECKING(for native build linker-flags)
484 AC_ARG_WITH(build-ldflags,
485 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
486 [BUILD_LDFLAGS="$withval"])
487 AC_MSG_RESULT($BUILD_LDFLAGS)
489 AC_MSG_CHECKING(for native build linker-libraries)
490 AC_ARG_WITH(build-libs,
491 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
492 [BUILD_LIBS="$withval"])
493 AC_MSG_RESULT($BUILD_LIBS)
495 # this assumes we're on Unix.
499 : ${BUILD_CC:='${CC}'}
501 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
502 AC_MSG_ERROR([Cross-build requires two compilers.
503 Use --with-build-cc to specify the native compiler.])
507 : ${BUILD_CC:='${CC}'}
508 : ${BUILD_CPP:='${CPP}'}
509 : ${BUILD_CFLAGS:='${CFLAGS}'}
510 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
511 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
512 : ${BUILD_LIBS:='${LIBS}'}
513 : ${BUILD_EXEEXT:='$x'}
514 : ${BUILD_OBJEXT:='o'}
519 AC_SUBST(BUILD_CFLAGS)
520 AC_SUBST(BUILD_CPPFLAGS)
521 AC_SUBST(BUILD_LDFLAGS)
523 AC_SUBST(BUILD_EXEEXT)
524 AC_SUBST(BUILD_OBJEXT)
526 dnl ---------------------------------------------------------------------------
527 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
529 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
530 dnl into CC. This will not help with broken scripts that wrap the compiler
531 dnl with options, but eliminates a more common category of user confusion.
533 dnl In particular, it addresses the problem of being able to run the C
534 dnl preprocessor in a consistent manner.
536 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
537 dnl the nuisance of having inconsistent settings for compiler and preprocessor
538 dnl outweighs that limitation.
539 AC_DEFUN([CF_CC_ENV_FLAGS],
541 # This should have been defined by AC_PROG_CC
544 AC_MSG_CHECKING(\$CFLAGS variable)
547 AC_MSG_RESULT(broken)
548 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
551 for cf_arg in $cf_flags
553 CF_ADD_CFLAGS($cf_arg)
561 AC_MSG_CHECKING(\$CC variable)
564 AC_MSG_RESULT(broken)
565 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
567 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
568 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
570 for cf_arg in $cf_flags
574 CF_ADD_CFLAGS($cf_arg)
581 CF_VERBOSE(resulting CC: '$CC')
582 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
583 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
590 dnl ---------------------------------------------------------------------------
591 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
593 dnl Determine the default configuration into which we'll install ncurses. This
594 dnl can be overridden by the user's command-line options. There's two items to
596 dnl 1. the prefix (e.g., /usr)
597 dnl 2. the header files (e.g., /usr/include/ncurses)
598 dnl We'll look for a previous installation of ncurses and use the same defaults.
600 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
601 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
602 dnl programs from a vendor's.
603 AC_DEFUN([CF_CFG_DEFAULTS],
605 AC_MSG_CHECKING(for prefix)
606 if test "x$prefix" = "xNONE" ; then
607 case "$cf_cv_system_name" in
608 # non-vendor systems don't have a conflict
609 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
612 (*) prefix=$ac_default_prefix
616 AC_MSG_RESULT($prefix)
618 if test "x$prefix" = "xNONE" ; then
619 AC_MSG_CHECKING(for default include-directory)
620 test -n "$verbose" && echo 1>&AC_FD_MSG
623 $includedir/ncurses \
625 $prefix/include/ncurses \
627 /usr/local/include/ncurses \
631 cf_dir=`eval echo $cf_symbol`
632 if test -f $cf_dir/curses.h ; then
633 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
634 includedir="$cf_symbol"
635 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
639 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
641 AC_MSG_RESULT($includedir)
644 dnl ---------------------------------------------------------------------------
645 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
647 dnl Check if we're accidentally using a cache from a different machine.
648 dnl Derive the system name, as a check for reusing the autoconf cache.
650 dnl If we've packaged config.guess and config.sub, run that (since it does a
651 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
652 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
653 dnl which is useful in cross-compiles.
655 dnl Note: we would use $ac_config_sub, but that is one of the places where
656 dnl autoconf 2.5x broke compatibility with autoconf 2.13
657 AC_DEFUN([CF_CHECK_CACHE],
659 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
660 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
661 system_name="$host_os"
663 system_name="`(uname -s -r) 2>/dev/null`"
664 if test -z "$system_name" ; then
665 system_name="`(hostname) 2>/dev/null`"
668 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
669 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
671 test -z "$system_name" && system_name="$cf_cv_system_name"
672 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
674 if test ".$system_name" != ".$cf_cv_system_name" ; then
675 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
676 AC_MSG_ERROR("Please remove config.cache and try again.")
679 dnl ---------------------------------------------------------------------------
680 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
681 dnl -----------------
682 dnl Check if the given compiler is really clang. clang's C driver defines
683 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
684 dnl not ignore some gcc options.
686 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
687 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
688 dnl the wrappers for gcc and g++ warnings.
690 dnl $1 = GCC (default) or GXX
691 dnl $2 = CLANG_COMPILER (default)
692 dnl $3 = CFLAGS (default) or CXXFLAGS
693 AC_DEFUN([CF_CLANG_COMPILER],[
694 ifelse([$2],,CLANG_COMPILER,[$2])=no
696 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
697 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
698 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
699 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
705 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
706 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
708 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
709 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
712 dnl ---------------------------------------------------------------------------
713 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
715 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
716 dnl variations of ncurses' installs.
718 dnl $1 = ncurses when looking for ncurses, or is empty
719 AC_DEFUN([CF_CURSES_HEADER],[
720 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
721 cf_cv_ncurses_header=none
723 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
724 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
726 AC_TRY_COMPILE([#include <${cf_header}>],
727 [initscr(); tgoto("?", 0,0)],
728 [cf_cv_ncurses_header=$cf_header; break],[])
732 if test "$cf_cv_ncurses_header" = none ; then
733 AC_MSG_ERROR(No curses header-files found)
736 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
737 AC_CHECK_HEADERS($cf_cv_ncurses_header)
739 dnl ---------------------------------------------------------------------------
740 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
742 dnl "dirname" is not portable, so we fake it with a shell script.
743 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
744 dnl ---------------------------------------------------------------------------
745 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
747 dnl You can always use "make -n" to see the actual options, but it's hard to
748 dnl pick out/analyze warning messages when the compile-line is long.
751 dnl ECHO_LT - symbol to control if libtool is verbose
752 dnl ECHO_LD - symbol to prefix "cc -o" lines
753 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
754 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
755 dnl ECHO_CC - symbol to put before any "cc" line
757 AC_DEFUN([CF_DISABLE_ECHO],[
758 AC_MSG_CHECKING(if you want to see long compiling messages)
760 [ --disable-echo do not display "compiling" commands],
763 ECHO_LD='@echo linking [$]@;'
764 RULE_CC='@echo compiling [$]<'
765 SHOW_CC='@echo compiling [$]@'
774 AC_MSG_RESULT($enableval)
781 dnl ---------------------------------------------------------------------------
782 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
783 dnl ------------------------
784 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
785 AC_MSG_CHECKING(if we want to use GNAT projects)
786 CF_ARG_DISABLE(gnat-projects,
787 [ --disable-gnat-projects test: disable GNAT projects even if usable],
788 [enable_gnat_projects=no],
789 [enable_gnat_projects=yes])
790 AC_MSG_RESULT($enable_gnat_projects)
792 dnl ---------------------------------------------------------------------------
793 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
795 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
796 dnl prefer a standard location, and use -L options only if we do not find the
797 dnl library in the standard library location(s).
798 dnl $1 = library name
799 dnl $2 = library class, usually the same as library name
801 dnl $4 = code fragment to compile/link
802 dnl $5 = corresponding function-name
803 dnl $6 = flag, nonnull if failure should not cause an error-exit
805 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
806 dnl to use a -L option.
807 AC_DEFUN([CF_FIND_LIBRARY],
809 eval 'cf_cv_have_lib_'$1'=no'
812 eval 'cf_cv_have_lib_'$1'=yes',[
814 AC_MSG_CHECKING(for $5 in -l$1)
816 AC_TRY_LINK([$3],[$4],
818 eval 'cf_cv_have_lib_'$1'=yes'
821 CF_LIBRARY_PATH(cf_search,$2)
822 for cf_libdir in $cf_search
824 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
825 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
826 AC_TRY_LINK([$3],[$4],
828 eval 'cf_cv_have_lib_'$1'=yes'
831 LIBS="$cf_save_LIBS"])
835 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
837 if test $cf_found_library = no ; then
838 AC_MSG_ERROR(Cannot link $1 library)
842 dnl ---------------------------------------------------------------------------
843 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
845 dnl Find a library (specifically the linkage used in the code fragment),
846 dnl searching for it if it is not already in the library path.
847 dnl See also CF_ADD_SEARCHPATH.
849 dnl Parameters (4-on are optional):
850 dnl $1 = headers for library entrypoint
851 dnl $2 = code fragment for library entrypoint
852 dnl $3 = the library name without the "-l" option or ".so" suffix.
853 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
854 dnl $5 = action to perform if not successful
855 dnl $6 = module name, if not the same as the library name
856 dnl $7 = extra libraries
858 dnl Sets these variables:
859 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
860 dnl $cf_cv_header_path_$3 - include-directory if needed
861 dnl $cf_cv_library_path_$3 - library-directory if needed
862 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
863 AC_DEFUN([CF_FIND_LINKAGE],[
865 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
866 # will be set on completion of the AC_TRY_LINK below.
867 cf_cv_header_path_$3=
868 cf_cv_library_path_$3=
870 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
874 AC_TRY_LINK([$1],[$2],[
875 cf_cv_find_linkage_$3=yes
876 cf_cv_header_path_$3=/usr/include
877 cf_cv_library_path_$3=/usr/lib
880 LIBS="-l$3 $7 $cf_save_LIBS"
882 AC_TRY_LINK([$1],[$2],[
883 cf_cv_find_linkage_$3=yes
884 cf_cv_header_path_$3=/usr/include
885 cf_cv_library_path_$3=/usr/lib
886 cf_cv_library_file_$3="-l$3"
888 cf_cv_find_linkage_$3=no
891 CF_VERBOSE(find linkage for $3 library)
892 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
894 cf_save_CPPFLAGS="$CPPFLAGS"
895 cf_test_CPPFLAGS="$CPPFLAGS"
897 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
898 for cf_cv_header_path_$3 in $cf_search
900 if test -d $cf_cv_header_path_$3 ; then
901 CF_VERBOSE(... testing $cf_cv_header_path_$3)
902 CPPFLAGS="$cf_save_CPPFLAGS"
903 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
904 AC_TRY_COMPILE([$1],[$2],[
905 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
906 cf_cv_find_linkage_$3=maybe
907 cf_test_CPPFLAGS="$CPPFLAGS"
909 CPPFLAGS="$cf_save_CPPFLAGS"
914 if test "$cf_cv_find_linkage_$3" = maybe ; then
916 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
919 cf_save_LDFLAGS="$LDFLAGS"
922 CPPFLAGS="$cf_test_CPPFLAGS"
923 LIBS="-l$3 $7 $cf_save_LIBS"
924 AC_TRY_LINK([$1],[$2],[
925 CF_VERBOSE(... found $3 library in system)
926 cf_cv_find_linkage_$3=yes])
927 CPPFLAGS="$cf_save_CPPFLAGS"
931 if test "$cf_cv_find_linkage_$3" != yes ; then
932 CF_LIBRARY_PATH(cf_search,$3)
933 for cf_cv_library_path_$3 in $cf_search
935 if test -d $cf_cv_library_path_$3 ; then
936 CF_VERBOSE(... testing $cf_cv_library_path_$3)
937 CPPFLAGS="$cf_test_CPPFLAGS"
938 LIBS="-l$3 $7 $cf_save_LIBS"
939 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
940 AC_TRY_LINK([$1],[$2],[
941 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
942 cf_cv_find_linkage_$3=yes
943 cf_cv_library_file_$3="-l$3"
945 CPPFLAGS="$cf_save_CPPFLAGS"
947 LDFLAGS="$cf_save_LDFLAGS"
951 CPPFLAGS="$cf_save_CPPFLAGS"
952 LDFLAGS="$cf_save_LDFLAGS"
956 cf_cv_find_linkage_$3=no
963 if test "$cf_cv_find_linkage_$3" = yes ; then
965 CF_ADD_INCDIR($cf_cv_header_path_$3)
966 CF_ADD_LIBDIR($cf_cv_library_path_$3)
970 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
973 dnl ---------------------------------------------------------------------------
974 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
975 dnl -----------------
976 dnl make ADAFLAGS consistent with CFLAGS
977 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
978 AC_MSG_CHECKING(optimization options for ADAFLAGS)
986 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
987 CF_ADD_ADAFLAGS($cf_O_flag)
990 AC_MSG_RESULT($ADAFLAGS)
992 dnl ---------------------------------------------------------------------------
993 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
994 dnl -----------------
995 dnl Test for availability of useful gcc __attribute__ directives to quiet
996 dnl compiler warnings. Though useful, not all are supported -- and contrary
997 dnl to documentation, unrecognized directives cause older compilers to barf.
998 AC_DEFUN([CF_GCC_ATTRIBUTES],
1000 if test "$GCC" = yes
1002 cat > conftest.i <<EOF
1004 #define GCC_PRINTF 0
1009 #ifndef GCC_NORETURN
1010 #define GCC_NORETURN /* nothing */
1013 #define GCC_UNUSED /* nothing */
1016 if test "$GCC" = yes
1018 AC_CHECKING([for $CC __attribute__ directives])
1019 cat > conftest.$ac_ext <<EOF
1020 #line __oline__ "${as_me:-configure}"
1021 #include "confdefs.h"
1022 #include "conftest.h"
1023 #include "conftest.i"
1025 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1027 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1030 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1032 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1034 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1035 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1036 extern void foo(void) GCC_NORETURN;
1037 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1039 cf_printf_attribute=no
1040 cf_scanf_attribute=no
1041 for cf_attribute in scanf printf unused noreturn
1043 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1044 cf_directive="__attribute__(($cf_attribute))"
1045 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1047 case $cf_attribute in
1049 cf_printf_attribute=yes
1050 cat >conftest.h <<EOF
1051 #define GCC_$cf_ATTRIBUTE 1
1055 cf_scanf_attribute=yes
1056 cat >conftest.h <<EOF
1057 #define GCC_$cf_ATTRIBUTE 1
1061 cat >conftest.h <<EOF
1062 #define GCC_$cf_ATTRIBUTE $cf_directive
1067 if AC_TRY_EVAL(ac_compile); then
1068 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1069 cat conftest.h >>confdefs.h
1070 case $cf_attribute in
1072 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1075 cf_value='/* nothing */'
1076 if test "$cf_printf_attribute" != no ; then
1077 cf_value='__attribute__((format(printf,fmt,var)))'
1078 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1080 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1083 cf_value='/* nothing */'
1084 if test "$cf_scanf_attribute" != no ; then
1085 cf_value='__attribute__((format(scanf,fmt,var)))'
1086 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1088 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1091 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1097 fgrep define conftest.i >>confdefs.h
1102 dnl ---------------------------------------------------------------------------
1103 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1105 dnl Find version of gcc
1106 AC_DEFUN([CF_GCC_VERSION],[
1107 AC_REQUIRE([AC_PROG_CC])
1109 if test "$GCC" = yes ; then
1110 AC_MSG_CHECKING(version of $CC)
1111 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1112 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1113 AC_MSG_RESULT($GCC_VERSION)
1116 dnl ---------------------------------------------------------------------------
1117 dnl CF_GCC_WARNINGS version: 33 updated: 2018/06/20 20:23:13
1119 dnl Check if the compiler supports useful warning options. There's a few that
1120 dnl we don't use, simply because they're too noisy:
1122 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1123 dnl -Wredundant-decls (system headers make this too noisy)
1124 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1125 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1126 dnl is enabled for ncurses using "--enable-const".
1130 dnl $1 is an optional list of gcc warning flags that a particular
1131 dnl application might want to use, e.g., "no-unused" for
1134 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1136 AC_DEFUN([CF_GCC_WARNINGS],
1138 AC_REQUIRE([CF_GCC_VERSION])
1139 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1140 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1142 cat > conftest.$ac_ext <<EOF
1143 #line __oline__ "${as_me:-configure}"
1144 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1147 if test "$INTEL_COMPILER" = yes
1149 # The "-wdXXX" options suppress warnings:
1150 # remark #1419: external declaration in primary source file
1151 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1152 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1153 # remark #193: zero used for undefined preprocessing identifier
1154 # remark #593: variable "curs_sb_left_arrow" was set but never used
1155 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1156 # remark #869: parameter "tw" was never referenced
1157 # remark #981: operands are evaluated in unspecified order
1158 # warning #279: controlling expression is constant
1160 AC_CHECKING([for $CC warning options])
1161 cf_save_CFLAGS="$CFLAGS"
1162 EXTRA_CFLAGS="-Wall"
1174 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1175 if AC_TRY_EVAL(ac_compile); then
1176 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1177 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1180 CFLAGS="$cf_save_CFLAGS"
1182 elif test "$GCC" = yes
1184 AC_CHECKING([for $CC warning options])
1185 cf_save_CFLAGS="$CFLAGS"
1188 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1189 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1190 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1191 for cf_opt in W Wall \
1192 Wbad-function-cast \
1195 Wdeclaration-after-statement \
1198 Wmissing-declarations \
1199 Wmissing-prototypes \
1203 Wstrict-prototypes \
1204 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1206 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1207 if AC_TRY_EVAL(ac_compile); then
1208 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1211 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1214 case $GCC_VERSION in
1216 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1221 case $GCC_VERSION in
1223 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1228 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1231 CFLAGS="$cf_save_CFLAGS"
1235 AC_SUBST(EXTRA_CFLAGS)
1237 dnl ---------------------------------------------------------------------------
1238 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1239 dnl -----------------
1240 AC_DEFUN([CF_GNATPREP_OPT_T],[
1241 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1242 cf_cv_gnatprep_opt_t=no
1243 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1245 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1246 AC_SUBST(GNATPREP_OPTS)
1248 dnl ---------------------------------------------------------------------------
1249 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1250 dnl ----------------
1251 AC_DEFUN([CF_GNAT_GENERICS],
1253 AC_REQUIRE([CF_GNAT_VERSION])
1255 AC_MSG_CHECKING(if GNAT supports generics)
1256 case $cf_gnat_version in
1257 (3.[[1-9]]*|[[4-9]].*)
1258 cf_gnat_generics=yes
1264 AC_MSG_RESULT($cf_gnat_generics)
1266 if test "$cf_gnat_generics" = yes
1268 cf_compile_generics=generics
1269 cf_generic_objects="\${GENOBJS}"
1271 cf_compile_generics=
1275 AC_SUBST(cf_compile_generics)
1276 AC_SUBST(cf_generic_objects)
1278 dnl ---------------------------------------------------------------------------
1279 dnl CF_GNAT_PROJECTS version: 9 updated: 2018/01/14 15:46:09
1280 dnl ----------------
1281 dnl GNAT projects are configured with ".gpr" project files.
1282 dnl GNAT libraries are a further development, using the project feature.
1283 AC_DEFUN([CF_GNAT_PROJECTS],
1285 AC_REQUIRE([CF_GNAT_VERSION])
1286 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1288 cf_gnat_libraries=no
1291 if test "$enable_gnat_projects" != no ; then
1292 AC_MSG_CHECKING(if GNAT supports project files)
1293 case $cf_gnat_version in
1297 case $cf_cv_system_name in
1301 rm -rf conftest* *~conftest*
1302 if mkdir conftest.src conftest.bin conftest.lib
1305 rm -rf conftest* *~conftest*
1306 cat >>library.gpr <<CF_EOF
1308 Kind := External ("LIB_KIND");
1309 for Library_Name use "ConfTest";
1310 for Object_Dir use ".";
1311 for Library_ALI_Dir use External("LIBRARY_DIR");
1312 for Library_Version use External ("SONAME");
1313 for Library_Kind use Kind;
1314 for Library_Dir use External("BUILD_DIR");
1315 Source_Dir := External ("SOURCE_DIR");
1316 for Source_Dirs use (Source_Dir);
1319 cat >>confpackage.ads <<CF_EOF
1320 package ConfPackage is
1324 cat >>confpackage.adb <<CF_EOF
1326 package body ConfPackage is
1327 procedure conftest is
1329 Text_IO.Put ("Hello World");
1334 if ( $cf_ada_make $ADAFLAGS \
1336 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1337 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1338 -XSOURCE_DIR=`pwd` \
1339 -XSONAME=libConfTest.so.1 \
1340 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1341 cf_gnat_projects=yes
1345 if test -f conftest.lib/confpackage.ali
1347 cf_gnat_libraries=yes
1349 rm -rf conftest* *~conftest*
1354 AC_MSG_RESULT($cf_gnat_projects)
1355 fi # enable_gnat_projects
1357 if test $cf_gnat_projects = yes
1359 AC_MSG_CHECKING(if GNAT supports libraries)
1360 AC_MSG_RESULT($cf_gnat_libraries)
1363 if test "$cf_gnat_projects" = yes
1365 USE_OLD_MAKERULES="#"
1366 USE_GNAT_PROJECTS=""
1368 USE_OLD_MAKERULES=""
1369 USE_GNAT_PROJECTS="#"
1372 if test "$cf_gnat_libraries" = yes
1374 USE_GNAT_LIBRARIES=""
1376 USE_GNAT_LIBRARIES="#"
1379 AC_SUBST(USE_OLD_MAKERULES)
1380 AC_SUBST(USE_GNAT_PROJECTS)
1381 AC_SUBST(USE_GNAT_LIBRARIES)
1383 dnl ---------------------------------------------------------------------------
1384 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1386 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1387 dnl is noted that gnat may compile a tasking unit even for configurations which
1388 dnl fail at runtime.
1389 AC_DEFUN([CF_GNAT_SIGINT],[
1390 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1391 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1395 pragma Warnings (Off); -- the next pragma exists since 3.11p
1396 pragma Unreserve_All_Interrupts;
1397 pragma Warnings (On);
1399 protected Process is
1401 function Continue return Boolean;
1402 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1404 Done : Boolean := False;
1408 [package body ConfTest is
1409 protected body Process is
1414 function Continue return Boolean is
1420 [cf_cv_gnat_sigint=yes],
1421 [cf_cv_gnat_sigint=no])])
1423 if test $cf_cv_gnat_sigint = yes ; then
1428 AC_SUBST(USE_GNAT_SIGINT)
1430 dnl ---------------------------------------------------------------------------
1431 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1432 dnl ----------------
1433 dnl Verify that a test program compiles/links with GNAT.
1434 dnl $cf_ada_make is set to the program that compiles/links
1435 dnl $ADAFLAGS may be set to the GNAT flags.
1437 dnl $1 is the text of the spec
1438 dnl $2 is the text of the body
1439 dnl $3 is the shell command to execute if successful
1440 dnl $4 is the shell command to execute if not successful
1441 AC_DEFUN([CF_GNAT_TRY_LINK],
1443 rm -rf conftest* *~conftest*
1444 cat >>conftest.ads <<CF_EOF
1447 cat >>conftest.adb <<CF_EOF
1450 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1451 ifelse($3,, :,[ $3])
1455 rm -rf conftest* *~conftest*
1457 dnl ---------------------------------------------------------------------------
1458 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1460 dnl Verify that a test program compiles and runs with GNAT
1461 dnl $cf_ada_make is set to the program that compiles/links
1462 dnl $ADAFLAGS may be set to the GNAT flags.
1464 dnl $1 is the text of the spec
1465 dnl $2 is the text of the body
1466 dnl $3 is the shell command to execute if successful
1467 dnl $4 is the shell command to execute if not successful
1468 AC_DEFUN([CF_GNAT_TRY_RUN],
1470 rm -rf conftest* *~conftest*
1471 cat >>conftest.ads <<CF_EOF
1474 cat >>conftest.adb <<CF_EOF
1477 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1478 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1479 ifelse($3,, :,[ $3])
1486 rm -rf conftest* *~conftest*
1488 dnl ---------------------------------------------------------------------------
1489 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1491 dnl Verify version of GNAT.
1492 AC_DEFUN([CF_GNAT_VERSION],
1494 AC_MSG_CHECKING(for gnat version)
1495 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1496 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1497 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1498 AC_MSG_RESULT($cf_gnat_version)
1500 case $cf_gnat_version in
1501 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1502 cf_cv_prog_gnat_correct=yes
1505 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1506 cf_cv_prog_gnat_correct=no
1510 dnl ---------------------------------------------------------------------------
1511 dnl CF_GNU_SOURCE version: 9 updated: 2018/06/20 20:23:13
1513 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1514 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1515 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1516 dnl since it is interwoven with GNU extensions.
1518 dnl Well, yes we could work around it...
1521 dnl $1 is the nominal value for _XOPEN_SOURCE
1522 AC_DEFUN([CF_GNU_SOURCE],
1524 cf_gnu_xopen_source=ifelse($1,,500,$1)
1526 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1527 AC_TRY_COMPILE([#include <sys/types.h>],[
1528 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1531 # error not GNU C library
1533 [cf_cv_gnu_library=yes],
1534 [cf_cv_gnu_library=no])
1537 if test x$cf_cv_gnu_library = xyes; then
1539 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1540 # was changed to help a little...
1541 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1543 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1544 AC_TRY_COMPILE([#include <sys/types.h>],[
1545 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1548 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1550 [cf_cv_gnu_library_219=yes],
1551 [cf_cv_gnu_library_219=no])
1555 if test "x$cf_cv_gnu_library_219" = xyes; then
1557 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1558 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1561 #include <sys/types.h>
1563 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1566 # error GNU C library is too old
1568 [cf_cv_gnu_dftsrc_219=yes],
1569 [cf_cv_gnu_dftsrc_219=no])
1571 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1573 cf_cv_gnu_dftsrc_219=maybe
1576 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1578 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1579 AC_TRY_COMPILE([#include <sys/types.h>],[
1580 #ifndef _XOPEN_SOURCE
1581 #error expected _XOPEN_SOURCE to be defined
1583 [cf_cv_gnu_source=no],
1584 [cf_save="$CPPFLAGS"
1585 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1586 AC_TRY_COMPILE([#include <sys/types.h>],[
1587 #ifdef _XOPEN_SOURCE
1588 #error expected _XOPEN_SOURCE to be undefined
1590 [cf_cv_gnu_source=no],
1591 [cf_cv_gnu_source=yes])
1596 if test "$cf_cv_gnu_source" = yes
1598 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1599 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1600 AC_TRY_COMPILE([#include <sys/types.h>],[
1601 #ifdef _DEFAULT_SOURCE
1602 #error expected _DEFAULT_SOURCE to be undefined
1604 [cf_cv_default_source=no],
1605 [cf_cv_default_source=yes])
1607 if test "$cf_cv_default_source" = yes
1609 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1616 dnl ---------------------------------------------------------------------------
1617 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1619 dnl Construct a search-list of directories for a nonstandard header-file
1622 dnl $1 = the variable to return as result
1623 dnl $2 = the package name
1624 AC_DEFUN([CF_HEADER_PATH],
1628 # collect the current set of include-directories from compiler flags
1629 cf_header_path_list=""
1630 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1631 for cf_header_path in $CPPFLAGS $CFLAGS
1633 case $cf_header_path in
1635 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1636 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1637 cf_header_path_list="$cf_header_path_list [$]$1"
1643 # add the variations for the package we are looking for
1644 CF_SUBDIR_PATH($1,$2,include)
1646 test "$includedir" != NONE && \
1647 test "$includedir" != "/usr/include" && \
1648 test -d "$includedir" && {
1649 test -d $includedir && $1="[$]$1 $includedir"
1650 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1653 test "$oldincludedir" != NONE && \
1654 test "$oldincludedir" != "/usr/include" && \
1655 test -d "$oldincludedir" && {
1656 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1657 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1660 $1="[$]$1 $cf_header_path_list"
1662 dnl ---------------------------------------------------------------------------
1663 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1665 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1666 AC_DEFUN([CF_HELP_MESSAGE],
1667 [AC_DIVERT_HELP([$1])dnl
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1672 dnl Construct the list of include-options according to whether we're building
1673 dnl in the source directory or using '--srcdir=DIR' option.
1674 AC_DEFUN([CF_INCLUDE_DIRS],
1676 if test "$srcdir" != "."; then
1677 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1679 CPPFLAGS="-I../include $CPPFLAGS"
1680 if test "$srcdir" != "."; then
1681 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1683 CPPFLAGS="-I. $CPPFLAGS"
1686 dnl ---------------------------------------------------------------------------
1687 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1689 dnl prompt for/fill-in useful install-program options
1690 AC_DEFUN([CF_INSTALL_OPTS],
1696 dnl ---------------------------------------------------------------------------
1697 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1698 dnl ----------------
1699 dnl Almost all "install" programs default to the current user's ownership.
1700 dnl Almost - MINIX is an exception.
1701 AC_DEFUN([CF_INSTALL_OPT_O],
1703 AC_MSG_CHECKING(if install needs to be told about ownership)
1704 case `$ac_config_guess` in
1713 AC_MSG_RESULT($with_install_o)
1714 if test "x$with_install_o" = xyes
1716 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'`
1721 AC_SUBST(INSTALL_OPT_O)
1723 dnl ---------------------------------------------------------------------------
1724 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1725 dnl ----------------
1726 dnl Some install-programs accept a "-p" option to preserve file modification
1727 dnl timestamps. That can be useful as an install option, as well as a way to
1728 dnl avoid the need for ranlib after copying a static archive.
1729 AC_DEFUN([CF_INSTALL_OPT_P],
1731 : ${INSTALL:=install}
1732 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1737 if $INSTALL -p conftest.in conftest.out 2>/dev/null
1739 if test -f conftest.out/conftest.in
1741 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1742 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1743 if test -s conftest.err
1758 dnl ---------------------------------------------------------------------------
1759 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
1760 dnl ----------------
1761 dnl By default, we should strip executables which are installed, but leave the
1762 dnl ability to suppress that for unit-testing.
1763 AC_DEFUN([CF_INSTALL_OPT_S],
1765 AC_MSG_CHECKING(if you want to install stripped executables)
1766 CF_ARG_DISABLE(stripping,
1767 [ --disable-stripping do not strip (debug info) installed executables],
1768 [with_stripping=no],
1769 [with_stripping=yes])
1770 AC_MSG_RESULT($with_stripping)
1772 if test "$with_stripping" = yes
1778 AC_SUBST(INSTALL_OPT_S)
1780 dnl ---------------------------------------------------------------------------
1781 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1782 dnl -----------------
1783 dnl Check if the given compiler is really the Intel compiler for Linux. It
1784 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1785 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1787 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1788 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1789 dnl the wrappers for gcc and g++ warnings.
1791 dnl $1 = GCC (default) or GXX
1792 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1793 dnl $3 = CFLAGS (default) or CXXFLAGS
1794 AC_DEFUN([CF_INTEL_COMPILER],[
1795 AC_REQUIRE([AC_CANONICAL_HOST])
1796 ifelse([$2],,INTEL_COMPILER,[$2])=no
1798 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1801 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1802 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1803 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1805 #ifdef __INTEL_COMPILER
1809 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1810 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1812 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1813 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1818 dnl ---------------------------------------------------------------------------
1819 dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
1821 dnl Add checks for large file support.
1822 AC_DEFUN([CF_LARGEFILE],[
1823 ifdef([AC_FUNC_FSEEKO],[
1825 if test "$enable_largefile" != no ; then
1828 # Normally we would collect these definitions in the config.h,
1829 # but (like _XOPEN_SOURCE), some environments rely on having these
1830 # defined before any of the system headers are included. Another
1831 # case comes up with C++, e.g., on AIX the compiler compiles the
1832 # header files by themselves before looking at the body files it is
1833 # told to compile. For ncurses, those header files do not include
1835 if test "$ac_cv_sys_large_files" != no
1837 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
1839 if test "$ac_cv_sys_largefile_source" != no
1841 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
1843 if test "$ac_cv_sys_file_offset_bits" != no
1845 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
1848 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1850 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1851 #include <sys/types.h>
1854 /* if transitional largefile support is setup, this is true */
1855 extern struct dirent64 * readdir(DIR *);
1856 struct dirent64 *x = readdir((DIR *)0);
1857 struct dirent *y = readdir((DIR *)0);
1860 [cf_cv_struct_dirent64=yes],
1861 [cf_cv_struct_dirent64=no])
1863 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1867 dnl ---------------------------------------------------------------------------
1868 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
1870 dnl For the given system and compiler, find the compiler flags to pass to the
1871 dnl loader to use the "rpath" feature.
1872 AC_DEFUN([CF_LD_RPATH_OPT],
1874 AC_REQUIRE([CF_CHECK_CACHE])
1877 if test "x$cf_cv_enable_rpath" != xno
1879 AC_MSG_CHECKING(for an rpath option)
1880 case $cf_cv_system_name in
1882 if test "$GCC" = yes; then
1883 LD_RPATH_OPT="-Wl,-rpath,"
1885 LD_RPATH_OPT="-rpath "
1888 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1889 LD_RPATH_OPT="-Wl,-rpath,"
1891 (openbsd[[2-9]].*|mirbsd*)
1892 LD_RPATH_OPT="-Wl,-rpath,"
1895 LD_RPATH_OPT="-rpath "
1898 LD_RPATH_OPT="-Wl,-rpath,"
1901 LD_RPATH_OPT="-rpath "
1909 AC_MSG_RESULT($LD_RPATH_OPT)
1911 case "x$LD_RPATH_OPT" in
1913 AC_MSG_CHECKING(if we need a space after rpath option)
1914 cf_save_LIBS="$LIBS"
1915 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1916 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1917 LIBS="$cf_save_LIBS"
1918 AC_MSG_RESULT($cf_rpath_space)
1919 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1924 dnl ---------------------------------------------------------------------------
1925 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1927 dnl Construct a search-list of directories for a nonstandard library-file
1930 dnl $1 = the variable to return as result
1931 dnl $2 = the package name
1932 AC_DEFUN([CF_LIBRARY_PATH],
1935 cf_library_path_list=""
1936 if test -n "${LDFLAGS}${LIBS}" ; then
1937 for cf_library_path in $LDFLAGS $LIBS
1939 case $cf_library_path in
1941 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1942 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1943 cf_library_path_list="$cf_library_path_list [$]$1"
1949 CF_SUBDIR_PATH($1,$2,lib)
1951 $1="$cf_library_path_list [$]$1"
1953 dnl ---------------------------------------------------------------------------
1954 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1956 dnl Compute the library-prefix for the given host system
1957 dnl $1 = variable to set
1958 define([CF_LIB_PREFIX],
1960 case $cf_cv_system_name in
1962 if test "$DFT_LWR_MODEL" = libtool; then
1968 (*) LIB_PREFIX='lib'
1971 ifelse($1,,,[$1=$LIB_PREFIX])
1972 AC_SUBST(LIB_PREFIX)
1974 dnl ---------------------------------------------------------------------------
1975 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1977 dnl Compute the library file-suffix from the given model name
1979 dnl $2 = variable to set (the nominal library suffix)
1980 dnl $3 = dependency variable to set (actual filename)
1981 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1982 AC_DEFUN([CF_LIB_SUFFIX],
1998 case $cf_cv_system_name in
2003 (cygwin*|msys*|mingw*)
2034 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2036 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2037 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2040 dnl ---------------------------------------------------------------------------
2041 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2043 dnl Compute the string to append to -library from the given model name
2045 dnl $2 = variable to set
2046 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2047 AC_DEFUN([CF_LIB_TYPE],
2053 (profile) $2='_p' ;;
2056 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2058 dnl ---------------------------------------------------------------------------
2059 dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
2060 dnl ----------------
2061 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2062 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2063 dnl have to provide wrappers for global tables to ensure they're linked
2065 AC_DEFUN([CF_LINK_DATAONLY],
2067 AC_MSG_CHECKING([if data-only library module links])
2068 AC_CACHE_VAL(cf_cv_link_dataonly,[
2070 cat >conftest.$ac_ext <<EOF
2071 #line __oline__ "configure"
2072 int testdata[[3]] = { 123, 456, 789 };
2074 if AC_TRY_EVAL(ac_compile) ; then
2075 mv conftest.o data.o && \
2076 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2078 rm -f conftest.$ac_ext data.o
2079 cat >conftest.$ac_ext <<EOF
2080 #line __oline__ "configure"
2084 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2086 extern int testdata[[3]];
2087 return testdata[[0]] == 123
2088 && testdata[[1]] == 456
2089 && testdata[[2]] == 789;
2093 if AC_TRY_EVAL(ac_compile); then
2094 mv conftest.o func.o && \
2095 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2097 rm -f conftest.$ac_ext func.o
2098 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2100 LIBS="conftest.a $LIBS"
2104 extern int testfunc();
2105 ${cf_cv_main_return:-return} (!testfunc());
2108 [cf_cv_link_dataonly=yes],
2109 [cf_cv_link_dataonly=no],
2110 [cf_cv_link_dataonly=unknown])
2113 AC_MSG_RESULT($cf_cv_link_dataonly)
2115 if test "$cf_cv_link_dataonly" = no ; then
2116 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2121 dnl ---------------------------------------------------------------------------
2122 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2124 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2125 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2126 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2127 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2128 AC_DEFUN([CF_MAKEFLAGS],
2130 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2132 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2134 cat >cf_makeflags.tmp <<CF_EOF
2137 @ echo '.$cf_option'
2139 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2140 case "$cf_result" in
2142 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2143 case "$cf_result" in
2144 (.*CC=*) cf_cv_makeflags=
2146 (*) cf_cv_makeflags=$cf_option
2154 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2158 rm -f cf_makeflags.tmp
2161 AC_SUBST(cf_cv_makeflags)
2163 dnl ---------------------------------------------------------------------------
2164 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2166 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2167 dnl a monocase filesystem.
2168 AC_DEFUN([CF_MAKE_TAGS],[
2169 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2171 AC_CHECK_PROGS(CTAGS, exctags ctags)
2172 AC_CHECK_PROGS(ETAGS, exetags etags)
2174 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2176 if test "$cf_cv_mixedcase" = yes ; then
2177 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2182 if test "$MAKE_UPPER_TAGS" = yes ; then
2188 if test "$MAKE_LOWER_TAGS" = yes ; then
2197 AC_SUBST(MAKE_UPPER_TAGS)
2198 AC_SUBST(MAKE_LOWER_TAGS)
2200 dnl ---------------------------------------------------------------------------
2201 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2202 dnl ----------------------
2203 dnl Check if the file-system supports mixed-case filenames. If we're able to
2204 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2205 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2207 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2208 if test "$cross_compiling" = yes ; then
2209 case $target_alias in
2210 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2218 rm -f conftest CONFTEST
2220 if test -f CONFTEST ; then
2225 rm -f conftest CONFTEST
2228 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2230 dnl ---------------------------------------------------------------------------
2231 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2233 dnl Check for a working mkstemp. This creates two files, checks that they are
2234 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2235 AC_DEFUN([CF_MKSTEMP],[
2239 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2242 #include <sys/types.h>
2243 #ifdef HAVE_UNISTD_H
2249 #include <sys/stat.h>
2252 char *tmpl = "conftestXXXXXX";
2260 for (n = 0; n < 2; ++n) {
2261 strcpy(name[n], tmpl);
2262 if ((fd = mkstemp(name[n])) >= 0) {
2263 if (!strcmp(name[n], tmpl)
2264 || stat(name[n], &sb) != 0
2265 || (sb.st_mode & S_IFMT) != S_IFREG
2266 || (sb.st_mode & 077) != 0) {
2273 && !strcmp(name[0], name[1]))
2275 ${cf_cv_main_return:-return}(result);
2277 ],[cf_cv_func_mkstemp=yes
2278 ],[cf_cv_func_mkstemp=no
2279 ],[cf_cv_func_mkstemp=maybe])
2281 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2282 AC_CHECK_FUNC(mkstemp)
2284 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2285 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2288 dnl ---------------------------------------------------------------------------
2289 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2291 dnl Write a debug message to config.log, along with the line number in the
2292 dnl configure script.
2293 AC_DEFUN([CF_MSG_LOG],[
2294 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2296 dnl ---------------------------------------------------------------------------
2297 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2298 dnl ----------------
2299 dnl Configure an ncurses add-on, built outside the ncurses tree.
2300 AC_DEFUN([CF_NCURSES_ADDON],[
2301 AC_REQUIRE([CF_NCURSES_CONFIG])
2303 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2305 AC_MSG_CHECKING(if you want wide-character code)
2306 AC_ARG_ENABLE(widec,
2307 [ --enable-widec compile with wide-char/UTF-8 code],
2308 [with_widec=$enableval],
2310 AC_MSG_RESULT($with_widec)
2311 if test "$with_widec" = yes ; then
2313 CF_NCURSES_CONFIG(ncursesw)
2315 CF_NCURSES_CONFIG(ncurses)
2318 if test "$NCURSES_CONFIG_PKG" != none ; then
2319 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2321 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2322 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2323 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2325 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2326 if test -z "$cf_cv_abi_version"
2328 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2331 elif test "$NCURSES_CONFIG" != none ; then
2333 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2335 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2336 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2337 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2339 # ABI version is not available from headers
2340 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2344 for cf_name in MAJOR MINOR PATCH
2346 cat >conftest.$ac_ext <<CF_EOF
2347 #include <${cf_cv_ncurses_header:-curses.h}>
2348 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2350 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2352 if test -f conftest.out ; then
2353 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2354 eval NCURSES_$cf_name=\"$cf_result\"
2355 # cat conftest.$ac_ext
2360 cf_cv_abi_version=${NCURSES_MAJOR}
2364 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2366 dnl Show the computed version, for logging
2367 cf_cv_timestamp=`date`
2369 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2371 dnl We need these values in the generated headers
2372 AC_SUBST(NCURSES_MAJOR)
2373 AC_SUBST(NCURSES_MINOR)
2374 AC_SUBST(NCURSES_PATCH)
2376 dnl We need these values in the generated makefiles
2377 AC_SUBST(cf_cv_rel_version)
2378 AC_SUBST(cf_cv_abi_version)
2380 dnl FIXME - not needed for Ada95
2381 AC_SUBST(cf_cv_builtin_bool)
2382 AC_SUBST(cf_cv_header_stdbool_h)
2383 AC_SUBST(cf_cv_type_of_bool)dnl
2386 dnl ---------------------------------------------------------------------------
2387 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2388 dnl -------------------
2389 dnl Check if we can compile with ncurses' header file
2390 dnl $1 is the cache variable to set
2391 dnl $2 is the header-file to include
2392 dnl $3 is the root name (ncurses or ncursesw)
2393 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2395 ]ifelse($3,ncursesw,[
2396 #define _XOPEN_SOURCE_EXTENDED
2397 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2398 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2401 #ifdef NCURSES_VERSION
2402 ]ifelse($3,ncursesw,[
2407 printf("%s\n", NCURSES_VERSION);
2419 dnl ---------------------------------------------------------------------------
2420 dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
2421 dnl -----------------
2422 dnl Tie together the configure-script macros for ncurses, preferring these in
2424 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2425 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2426 dnl c) just plain libraries
2428 dnl $1 is the root library name (default: "ncurses")
2429 AC_DEFUN([CF_NCURSES_CONFIG],[
2430 AC_REQUIRE([CF_PKG_CONFIG])
2431 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2432 cf_have_ncuconfig=no
2434 if test "x${PKG_CONFIG:=none}" != xnone; then
2435 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2436 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2439 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2440 cf_have_ncuconfig=unknown
2442 cf_save_CPPFLAGS="$CPPFLAGS"
2443 cf_save_LIBS="$LIBS"
2445 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
2446 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2448 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2449 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2450 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2452 { char *xx = curses_version(); return (xx == 0); }],
2453 [cf_have_ncuconfig=yes],
2454 [cf_have_ncuconfig=no],
2455 [cf_have_ncuconfig=maybe])],
2456 [cf_have_ncuconfig=no])
2457 AC_MSG_RESULT($cf_have_ncuconfig)
2458 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2459 if test "$cf_have_ncuconfig" != "yes"
2461 CPPFLAGS="$cf_save_CPPFLAGS"
2462 LIBS="$cf_save_LIBS"
2463 NCURSES_CONFIG_PKG=none
2465 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2466 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2472 NCURSES_CONFIG_PKG=none
2475 NCURSES_CONFIG_PKG=none
2478 if test "x$cf_have_ncuconfig" = "xno"; then
2479 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2481 CF_ACVERSION_CHECK(2.52,
2482 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2483 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2485 if test "$NCURSES_CONFIG" != none ; then
2487 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2488 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2490 # even with config script, some packages use no-override for curses.h
2491 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2493 dnl like CF_NCURSES_CPPFLAGS
2494 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2496 dnl like CF_NCURSES_LIBS
2497 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2498 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2500 dnl like CF_NCURSES_VERSION
2501 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2505 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2506 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2513 dnl ---------------------------------------------------------------------------
2514 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2515 dnl -------------------
2516 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2517 dnl the CPPFLAGS variable so we can include its header.
2519 dnl The header files may be installed as either curses.h, or ncurses.h (would
2520 dnl be obsolete, except that some packagers prefer this name to distinguish it
2521 dnl from a "native" curses implementation). If not installed for overwrite,
2522 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2523 dnl /usr/include/ncurses), but someone may have installed overwriting the
2524 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2525 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2528 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2529 dnl is already in the include-path, don't even bother with this, since we cannot
2530 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2532 dnl The optional parameter gives the root name of the library, in case it is
2533 dnl not installed as the default curses library. That is how the
2534 dnl wide-character version of ncurses is installed.
2535 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2536 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2538 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2539 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2541 test -n "$cf_cv_curses_dir" && \
2542 test "$cf_cv_curses_dir" != "no" && { \
2543 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2546 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2547 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2548 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2549 for cf_header in $cf_header_list
2551 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2552 test "$cf_cv_ncurses_h" != no && break
2559 # some applications need this, but should check for NCURSES_VERSION
2560 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2564 dnl ---------------------------------------------------------------------------
2565 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2566 dnl -----------------
2567 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2568 dnl variations of ncurses' installs.
2570 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2571 AC_DEFUN([CF_NCURSES_HEADER],[
2573 if test "$cf_cv_ncurses_h" != no ; then
2574 cf_cv_ncurses_header=$cf_cv_ncurses_h
2577 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2578 test -n "$verbose" && echo
2579 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2580 test -n "$verbose" && echo search path $cf_search
2581 cf_save2_CPPFLAGS="$CPPFLAGS"
2582 for cf_incdir in $cf_search
2584 CF_ADD_INCDIR($cf_incdir)
2589 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2590 if test "$cf_cv_ncurses_h2" != no ; then
2591 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2592 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2595 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2597 CPPFLAGS="$cf_save2_CPPFLAGS"
2598 test "$cf_cv_ncurses_h2" != no && break
2600 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2603 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2604 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2605 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2606 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2608 CF_ADD_INCDIR($cf_1st_incdir)
2612 # Set definitions to allow ifdef'ing for ncurses.h
2614 case $cf_cv_ncurses_header in
2616 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2620 case $cf_cv_ncurses_header in
2621 (ncurses/curses.h|ncurses/ncurses.h)
2622 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2624 (ncursesw/curses.h|ncursesw/ncurses.h)
2625 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2630 dnl ---------------------------------------------------------------------------
2631 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2633 dnl Look for the ncurses library. This is a little complicated on Linux,
2634 dnl because it may be linked with the gpm (general purpose mouse) library.
2635 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2636 dnl unusable with ncurses. However, we don't want to link with gpm unless
2637 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2638 dnl and the linker will record a dependency.
2640 dnl The optional parameter gives the root name of the library, in case it is
2641 dnl not installed as the default curses library. That is how the
2642 dnl wide-character version of ncurses is installed.
2643 AC_DEFUN([CF_NCURSES_LIBS],
2644 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2646 cf_nculib_root=ifelse($1,,ncurses,$1)
2647 # This works, except for the special case where we find gpm, but
2648 # ncurses is in a nonstandard location via $LIBS, and we really want
2651 cf_ncurses_SAVE="$LIBS"
2652 AC_CHECK_LIB(gpm,Gpm_Open,
2653 [AC_CHECK_LIB(gpm,initscr,
2654 [LIBS="$cf_ncurses_SAVE"],
2655 [cf_ncurses_LIBS="-lgpm"])])
2659 # This is only necessary if you are linking against an obsolete
2660 # version of ncurses (but it should do no harm, since it's static).
2661 if test "$cf_nculib_root" = ncurses ; then
2662 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2667 CF_ADD_LIBS($cf_ncurses_LIBS)
2669 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2671 CF_ADD_LIBS(-l$cf_nculib_root)
2673 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2674 [#include <${cf_cv_ncurses_header:-curses.h}>],
2679 if test -n "$cf_ncurses_LIBS" ; then
2680 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2681 cf_ncurses_SAVE="$LIBS"
2682 for p in $cf_ncurses_LIBS ; do
2683 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2684 if test "$q" != "$LIBS" ; then
2688 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2689 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2690 [AC_MSG_RESULT(yes)],
2692 LIBS="$cf_ncurses_SAVE"])
2695 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2696 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2698 dnl ---------------------------------------------------------------------------
2699 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2700 dnl ------------------
2701 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2702 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2703 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2704 AC_DEFUN([CF_NCURSES_VERSION],
2706 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2707 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2708 cf_cv_ncurses_version=no
2712 #include <${cf_cv_ncurses_header:-curses.h}>
2716 FILE *fp = fopen("$cf_tempfile", "w");
2717 #ifdef NCURSES_VERSION
2718 # ifdef NCURSES_VERSION_PATCH
2719 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2721 fprintf(fp, "%s\n", NCURSES_VERSION);
2725 fprintf(fp, "old\n");
2730 ${cf_cv_main_return:-return}(0);
2732 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2734 # This will not work if the preprocessor splits the line after the
2735 # Autoconf token. The 'unproto' program does that.
2736 cat > conftest.$ac_ext <<EOF
2737 #include <${cf_cv_ncurses_header:-curses.h}>
2739 #ifdef NCURSES_VERSION
2740 Autoconf NCURSES_VERSION
2748 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2750 if test -f conftest.out ; then
2751 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2752 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2758 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2760 dnl ---------------------------------------------------------------------------
2761 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2763 dnl Compute the object-directory name from the given model name
2764 AC_DEFUN([CF_OBJ_SUBDIR],
2767 (libtool) $2='obj_lo' ;;
2768 (normal) $2='objects' ;;
2769 (debug) $2='obj_g' ;;
2770 (profile) $2='obj_p' ;;
2772 case $cf_cv_system_name in
2780 dnl ---------------------------------------------------------------------------
2781 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2783 dnl Provide a value for the $PATH and similar separator (or amend the value
2784 dnl as provided in autoconf 2.5x).
2785 AC_DEFUN([CF_PATHSEP],
2787 AC_MSG_CHECKING(for PATH separator)
2788 case $cf_cv_system_name in
2789 (os2*) PATH_SEPARATOR=';' ;;
2790 (*) ${PATH_SEPARATOR:=':'} ;;
2792 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2793 AC_SUBST(PATH_SEPARATOR)
2794 AC_MSG_RESULT($PATH_SEPARATOR)
2796 dnl ---------------------------------------------------------------------------
2797 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2799 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2800 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2801 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2802 dnl delayed evaluation of those symbols.
2803 AC_DEFUN([CF_PATH_SYNTAX],[
2804 if test "x$prefix" != xNONE; then
2805 cf_path_syntax="$prefix"
2807 cf_path_syntax="$ac_default_prefix"
2811 (.\[$]\(*\)*|.\'*\'*)
2815 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2817 (.\[$]{*prefix}*|.\[$]{*dir}*)
2821 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2826 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2829 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2833 dnl ---------------------------------------------------------------------------
2834 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2836 dnl Check for the package-config program, unless disabled by command-line.
2837 AC_DEFUN([CF_PKG_CONFIG],
2839 AC_MSG_CHECKING(if you want to use pkg-config)
2840 AC_ARG_WITH(pkg-config,
2841 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2842 [cf_pkg_config=$withval],
2843 [cf_pkg_config=yes])
2844 AC_MSG_RESULT($cf_pkg_config)
2846 case $cf_pkg_config in
2851 CF_ACVERSION_CHECK(2.52,
2852 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2853 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2860 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2861 if test "$PKG_CONFIG" != none ; then
2862 CF_PATH_SYNTAX(PKG_CONFIG)
2863 elif test "x$cf_pkg_config" != xno ; then
2864 AC_MSG_WARN(pkg-config is not installed)
2867 AC_SUBST(PKG_CONFIG)
2869 dnl ---------------------------------------------------------------------------
2870 dnl CF_POSIX_C_SOURCE version: 10 updated: 2018/06/20 20:23:13
2871 dnl -----------------
2872 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2874 dnl POSIX.1-1990 _POSIX_SOURCE
2875 dnl POSIX.1-1990 and _POSIX_SOURCE and
2876 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2878 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2879 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2880 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2883 dnl $1 is the nominal value for _POSIX_C_SOURCE
2884 AC_DEFUN([CF_POSIX_C_SOURCE],
2886 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2888 cf_save_CFLAGS="$CFLAGS"
2889 cf_save_CPPFLAGS="$CPPFLAGS"
2891 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2892 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2894 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2895 CF_MSG_LOG(if the symbol is already defined go no further)
2896 AC_TRY_COMPILE([#include <sys/types.h>],[
2897 #ifndef _POSIX_C_SOURCE
2900 [cf_cv_posix_c_source=no],
2901 [cf_want_posix_source=no
2902 case .$cf_POSIX_C_SOURCE in
2904 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2907 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2908 cf_want_posix_source=yes
2911 cf_want_posix_source=yes
2914 if test "$cf_want_posix_source" = yes ; then
2915 AC_TRY_COMPILE([#include <sys/types.h>],[
2916 #ifdef _POSIX_SOURCE
2919 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2921 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2922 CFLAGS="$cf_trim_CFLAGS"
2923 CPPFLAGS="$cf_trim_CPPFLAGS"
2924 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
2925 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2926 AC_TRY_COMPILE([#include <sys/types.h>],[
2927 #ifndef _POSIX_C_SOURCE
2930 [cf_cv_posix_c_source=no])
2931 CFLAGS="$cf_save_CFLAGS"
2932 CPPFLAGS="$cf_save_CPPFLAGS"
2936 if test "$cf_cv_posix_c_source" != no ; then
2937 CFLAGS="$cf_trim_CFLAGS"
2938 CPPFLAGS="$cf_trim_CPPFLAGS"
2939 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2943 dnl ---------------------------------------------------------------------------
2944 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2946 dnl Check for archiver "ar".
2947 AC_DEFUN([CF_PROG_AR],[
2948 AC_CHECK_TOOL(AR, ar, ar)
2950 dnl ---------------------------------------------------------------------------
2951 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2953 dnl Check for awk, ensure that the check found something.
2954 AC_DEFUN([CF_PROG_AWK],
2957 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2959 dnl ---------------------------------------------------------------------------
2960 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2962 dnl standard check for CC, plus followup sanity checks
2963 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2964 AC_DEFUN([CF_PROG_CC],[
2965 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2967 CF_ACVERSION_CHECK(2.52,
2972 dnl ---------------------------------------------------------------------------
2973 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
2975 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2976 dnl the output file can be renamed, and allows for a shell variable that can
2977 dnl be used later. The parameter is either CC or CXX. The result is the
2979 dnl $cf_cv_prog_CC_c_o
2980 dnl $cf_cv_prog_CXX_c_o
2983 dnl $2 = compiler options, if any
2984 AC_DEFUN([CF_PROG_CC_C_O],
2985 [AC_REQUIRE([AC_PROG_CC])dnl
2986 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2987 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2989 cat > conftest.$ac_ext <<CF_EOF
2992 ${cf_cv_main_return:-return}(0);
2995 # We do the test twice because some compilers refuse to overwrite an
2996 # existing .o file with -o, though they will create one.
2997 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2998 if AC_TRY_EVAL(ac_try) &&
2999 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3001 eval cf_cv_prog_$1_c_o=yes
3003 eval cf_cv_prog_$1_c_o=no
3007 if test $cf_cv_prog_$1_c_o = yes; then
3008 AC_MSG_RESULT([yes])
3013 dnl ---------------------------------------------------------------------------
3014 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3016 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3017 dnl This macro adds a check to ensure the script found something.
3018 AC_DEFUN([CF_PROG_EGREP],
3019 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3020 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3021 then ac_cv_prog_egrep='grep -E'
3022 else ac_cv_prog_egrep='egrep'
3024 EGREP=$ac_cv_prog_egrep
3026 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3028 dnl ---------------------------------------------------------------------------
3029 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3031 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3032 AC_DEFUN([CF_PROG_EXT],
3034 AC_REQUIRE([CF_CHECK_CACHE])
3035 case $cf_cv_system_name in
3037 CFLAGS="$CFLAGS -Zmt"
3038 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3039 CXXFLAGS="$CXXFLAGS -Zmt"
3040 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3041 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3051 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3053 dnl ---------------------------------------------------------------------------
3054 dnl CF_PROG_GNAT version: 7 updated: 2018/11/10 18:37:39
3056 dnl Check for gnatmake, ensure that it is complete.
3057 AC_DEFUN([CF_PROG_GNAT],[
3058 cf_ada_make=gnatmake
3060 AC_CHECK_PROG(gnatmake_exists, $cf_ada_make, yes, no)
3061 if test "$ac_cv_prog_gnatmake_exists" = no; then
3063 cf_cv_prog_gnat_correct=no
3065 AC_CHECK_PROG(gprconfig_exists, gprconfig, yes, no)
3066 if test "$ac_cv_prog_gprconfig_exists" = yes
3068 rm -rf conftest* *~conftest*
3069 if mkdir conftest.src
3073 for cf_gprconfig in Ada C
3075 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3076 if test $cf_gprconfig = C
3078 for cf_gprconfig_param in \
3079 $cf_gprconfig,,,,GNATGCC \
3080 $cf_gprconfig,,,,GCC \
3083 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3084 test -n "$cf_gprconfig_value" && break
3087 cf_gprconfig_param=$cf_gprconfig
3088 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3090 if test -n "$cf_gprconfig_value"
3092 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3093 AC_MSG_RESULT($cf_gprconfig_value)
3095 AC_MSG_RESULT(missing)
3101 rm -rf conftest* *~conftest*
3104 # gprconfig is newer than gnatmake; we can continue...
3107 if test "x$cf_ada_config" != "x#"
3110 AC_CHECK_PROG(M4_exists, m4, yes, no)
3111 if test "$ac_cv_prog_M4_exists" = no; then
3112 cf_cv_prog_gnat_correct=no
3113 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
3115 if test "$cf_cv_prog_gnat_correct" = yes; then
3116 AC_MSG_CHECKING(if GNAT works)
3117 CF_GNAT_TRY_RUN([procedure conftest;],
3120 procedure conftest is
3122 Text_IO.Put ("Hello World");
3124 GNAT.OS_Lib.OS_Exit (0);
3125 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
3126 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3129 cf_cv_prog_gnat_correct=no
3133 AC_SUBST(cf_ada_make)
3134 AC_SUBST(cf_ada_config)
3135 AC_SUBST(cf_ada_config_Ada)
3136 AC_SUBST(cf_ada_config_C)
3138 dnl ---------------------------------------------------------------------------
3139 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3141 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3142 dnl misc/tabset install won't work properly. Usually this happens only when
3143 dnl using the fallback mkinstalldirs script
3144 AC_DEFUN([CF_PROG_INSTALL],
3150 CF_DIRNAME(cf_dir,$INSTALL)
3151 test -z "$cf_dir" && cf_dir=.
3152 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3156 dnl ---------------------------------------------------------------------------
3157 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3159 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3160 dnl option if it is supported.
3161 AC_DEFUN([CF_PROG_LN_S],[
3163 AC_MSG_CHECKING(if $LN_S -f options work)
3165 rm -f conf$$.src conf$$dst
3167 echo first >conf$$.src
3168 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3173 rm -f conf$$.dst conf$$src
3174 AC_MSG_RESULT($cf_prog_ln_sf)
3176 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3178 dnl ---------------------------------------------------------------------------
3179 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3180 dnl ----------------
3181 dnl Remove all -U and -D options that refer to the given symbol from a list
3182 dnl of C compiler options. This works around the problem that not all
3183 dnl compilers process -U and -D options from left-to-right, so a -U option
3184 dnl cannot be used to cancel the effect of a preceding -D option.
3186 dnl $1 = target (which could be the same as the source variable)
3187 dnl $2 = source (including '$')
3188 dnl $3 = symbol to remove
3189 define([CF_REMOVE_DEFINE],
3192 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3193 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3195 dnl ---------------------------------------------------------------------------
3196 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3198 dnl Remove the given library from the symbol
3200 dnl $1 = target (which could be the same as the source variable)
3201 dnl $2 = source (including '$')
3202 dnl $3 = library to remove
3203 define([CF_REMOVE_LIB],
3205 # remove $3 library from $2
3206 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3208 dnl ---------------------------------------------------------------------------
3209 dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35
3212 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3216 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3217 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3218 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3219 dnl shared library since that can lead to unexpected results at runtime.
3220 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3221 dnl libraries are compiled in ../../lib
3223 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3224 dnl to install symbolic links to the rel/abi versions of shared libraries.
3226 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3227 dnl version when making symbolic links.
3229 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3230 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3231 dnl (ex: libncurses.so.<ver>).
3233 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3234 AC_DEFUN([CF_SHARED_OPTS],
3236 AC_REQUIRE([CF_LD_RPATH_OPT])
3242 INSTALL_LIB="-m 644"
3243 : ${rel_builddir:=.}
3251 cf_cv_do_symlinks=no
3253 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3255 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3256 AC_ARG_WITH(shlib-version,
3257 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3258 [test -z "$withval" && withval=auto
3261 cf_cv_shlib_version=auto
3264 cf_cv_shlib_version=$withval
3267 AC_MSG_RESULT($withval)
3268 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3271 ],[cf_cv_shlib_version=auto])
3272 AC_MSG_RESULT($cf_cv_shlib_version)
3277 # Some less-capable ports of gcc support only -fpic
3281 if test "$GCC" = yes
3285 case $cf_cv_system_name in
3286 (*linux*) # e.g., PGI compiler
3292 if test "$cf_try_fPIC" = yes
3294 AC_MSG_CHECKING(which $CC option to use)
3295 cf_save_CFLAGS="$CFLAGS"
3296 for CC_SHARED_OPTS in -fPIC -fpic ''
3298 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3299 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3301 AC_MSG_RESULT($CC_SHARED_OPTS)
3302 CFLAGS="$cf_save_CFLAGS"
3305 cf_cv_shlib_version_infix=no
3307 case $cf_cv_system_name in
3308 (aix4.[3-9]*|aix[[5-7]]*)
3309 if test "$GCC" = yes; then
3310 CC_SHARED_OPTS='-Wl,-brtl'
3311 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3313 CC_SHARED_OPTS='-brtl'
3314 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3315 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3319 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3323 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3324 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3325 cf_cv_shlib_version=cygdll
3326 cf_cv_shlib_version_infix=cygdll
3329 cat >mk_shared_lib.sh <<-CF_EOF
3332 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3335 Linking shared library
3336 ** SHARED_LIB \[$]SHARED_LIB
3337 ** IMPORT_LIB \[$]IMPORT_LIB
3339 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3341 chmod +x mk_shared_lib.sh
3345 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3346 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3347 cf_cv_shlib_version=msysdll
3348 cf_cv_shlib_version_infix=msysdll
3351 cat >mk_shared_lib.sh <<-CF_EOF
3354 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3357 Linking shared library
3358 ** SHARED_LIB \[$]SHARED_LIB
3359 ** IMPORT_LIB \[$]IMPORT_LIB
3361 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3363 chmod +x mk_shared_lib.sh
3366 cf_try_cflags="no-cpp-precomp"
3367 CC_SHARED_OPTS="-dynamic"
3368 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3369 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3370 cf_cv_shlib_version_infix=yes
3371 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3372 cf_save_LDFLAGS=$LDFLAGS
3373 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3374 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3375 LDFLAGS=$cf_save_LDFLAGS])
3376 if test $cf_cv_ldflags_search_paths_first = yes; then
3377 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3381 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3382 if test "$GCC" != yes; then
3385 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3386 INSTALL_LIB="-m 555"
3389 # (tested with gcc 2.7.2 -- I don't have c89)
3390 if test "$GCC" = yes; then
3391 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3394 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3396 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3397 # HP-UX shared libraries must be executable, and should be
3398 # readonly to exploit a quirk in the memory manager.
3399 INSTALL_LIB="-m 555"
3402 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3403 if test "$cf_cv_shlib_version" = rel; then
3404 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3406 cf_shared_soname='`basename $[@]`'
3409 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3412 if test "$cf_cv_enable_rpath" = yes ; then
3413 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3415 # tested with IRIX 5.2 and 'cc'.
3416 if test "$GCC" != yes; then
3417 CC_SHARED_OPTS='-KPIC'
3418 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3420 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3422 cf_cv_rm_so_locs=yes
3424 (linux*|gnu*|k*bsd*-gnu)
3425 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3426 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3427 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3429 if test "$cf_cv_enable_rpath" = yes ; then
3430 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3433 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3436 cf_cv_shlib_version=mingw
3437 cf_cv_shlib_version_infix=mingw
3440 if test "$DFT_LWR_MODEL" = "shared" ; then
3441 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3442 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3443 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3446 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3447 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3448 cat >mk_shared_lib.sh <<-CF_EOF
3451 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3454 Linking shared library
3455 ** SHARED_LIB \[$]SHARED_LIB
3456 ** IMPORT_LIB \[$]IMPORT_LIB
3458 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3460 chmod +x mk_shared_lib.sh
3462 (openbsd[[2-9]].*|mirbsd*)
3463 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3464 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3465 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3467 if test "$cf_cv_enable_rpath" = yes ; then
3468 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3470 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3472 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3474 (nto-qnx*|openbsd*|freebsd[[12]].*)
3475 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3476 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3477 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3479 (dragonfly*|freebsd*)
3480 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3481 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3482 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3483 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3484 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3487 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3490 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3491 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3492 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3493 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3494 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3495 if test "$cf_cv_shlib_version" = auto; then
3496 if test -f /usr/libexec/ld.elf_so; then
3497 cf_cv_shlib_version=abi
3499 cf_cv_shlib_version=rel
3503 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3505 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
3509 # tested with OSF/1 V3.2 and 'cc'
3510 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3511 # link with shared libs).
3512 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3515 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3518 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3519 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3520 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3521 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3523 cf_cv_rm_so_locs=yes
3525 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3526 # tested with osr5.0.5
3527 if test "$GCC" != yes; then
3528 CC_SHARED_OPTS='-belf -KPIC'
3530 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3531 if test "$cf_cv_enable_rpath" = yes ; then
3532 # only way is to set LD_RUN_PATH but no switch for it
3535 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3536 LINK_PROGS='LD_RUN_PATH=${libdir}'
3537 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3540 # tested with SunOS 4.1.1 and gcc 2.7.0
3541 if test "$GCC" != yes; then
3542 CC_SHARED_OPTS='-KPIC'
3544 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
3545 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3548 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3549 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3550 if test "$DFT_LWR_MODEL" = "shared" ; then
3551 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3552 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3554 if test "$cf_cv_enable_rpath" = yes ; then
3555 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3558 if test "$GCC" != yes; then
3559 cf_save_CFLAGS="$CFLAGS"
3560 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3562 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3563 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3565 CFLAGS="$cf_save_CFLAGS"
3566 CC_SHARED_OPTS=$cf_shared_opts
3567 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3569 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3572 (sysv5uw7*|unix_sv*)
3573 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3574 if test "$GCC" != yes; then
3575 CC_SHARED_OPTS='-KPIC'
3577 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
3580 CC_SHARED_OPTS='unknown'
3581 MK_SHARED_LIB='echo unknown'
3585 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3586 case "$cf_cv_shlib_version" in
3588 case "$MK_SHARED_LIB" in
3590 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3593 AC_MSG_WARN(ignored --with-shlib-version)
3599 if test -n "$cf_try_cflags"
3601 cat > conftest.$ac_ext <<EOF
3602 #line __oline__ "${as_me:-configure}"
3604 int main(int argc, char *argv[[]])
3607 return (argv[[argc-1]] == 0) ;
3610 cf_save_CFLAGS="$CFLAGS"
3611 for cf_opt in $cf_try_cflags
3613 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3614 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3615 if AC_TRY_EVAL(ac_compile); then
3617 cf_save_CFLAGS="$CFLAGS"
3622 CFLAGS="$cf_save_CFLAGS"
3626 # RPATH_LIST is a colon-separated list of directories
3627 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3628 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3630 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3632 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3633 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3635 AC_SUBST(CC_SHARED_OPTS)
3636 AC_SUBST(LD_RPATH_OPT)
3637 AC_SUBST(LD_SHARED_OPTS)
3638 AC_SUBST(MK_SHARED_LIB)
3639 AC_SUBST(RM_SHARED_OPTS)
3641 AC_SUBST(LINK_PROGS)
3642 AC_SUBST(LINK_TESTS)
3644 AC_SUBST(EXTRA_LDFLAGS)
3645 AC_SUBST(LOCAL_LDFLAGS)
3646 AC_SUBST(LOCAL_LDFLAGS2)
3648 AC_SUBST(INSTALL_LIB)
3649 AC_SUBST(RPATH_LIST)
3651 dnl ---------------------------------------------------------------------------
3652 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3653 dnl ----------------
3654 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3655 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3658 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3659 dnl If missing, use "rel".
3660 define([CF_SHARED_SONAME],
3662 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3663 if test "$cf_cv_shlib_version" = rel; then
3664 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3666 cf_cv_shared_soname='`basename $[@]`'
3669 dnl ---------------------------------------------------------------------------
3670 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3672 dnl Remove "-g" option from the compiler options
3673 AC_DEFUN([CF_STRIP_G_OPT],
3674 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3675 dnl ---------------------------------------------------------------------------
3676 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3678 dnl Construct a search-list for a nonstandard header/lib-file
3679 dnl $1 = the variable to return as result
3680 dnl $2 = the package name
3681 dnl $3 = the subdirectory, e.g., bin, include or lib
3682 AC_DEFUN([CF_SUBDIR_PATH],
3686 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3688 for cf_subdir_prefix in \
3696 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3699 dnl ---------------------------------------------------------------------------
3700 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3702 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3703 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3704 dnl but some packagers change this, breaking various applications.
3705 AC_DEFUN([CF_TERM_HEADER],[
3706 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3707 case ${cf_cv_ncurses_header} in
3708 (*/ncurses.h|*/ncursesw.h)
3709 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3712 cf_term_header=term.h
3716 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3718 AC_TRY_COMPILE([#include <stdio.h>
3719 #include <${cf_cv_ncurses_header:-curses.h}>
3721 ],[int x = auto_left_margin],[
3722 cf_cv_term_header="$cf_test"],[
3723 cf_cv_term_header=unknown
3725 test "$cf_cv_term_header" != unknown && break
3729 # Set definitions to allow ifdef'ing to accommodate subdirectories
3731 case $cf_cv_term_header in
3733 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3737 case $cf_cv_term_header in
3739 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3742 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3746 dnl ---------------------------------------------------------------------------
3747 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3749 dnl Define a top_builddir symbol, for applications that need an absolute path.
3750 AC_DEFUN([CF_TOP_BUILDDIR],
3752 top_builddir=ifelse($1,,`pwd`,$1)
3753 AC_SUBST(top_builddir)
3755 dnl ---------------------------------------------------------------------------
3756 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
3757 dnl -------------------
3758 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3759 dnl can define it successfully.
3760 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3761 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3765 #include <sys/types.h>
3767 #ifndef _XOPEN_SOURCE
3770 [cf_cv_xopen_source=no],
3771 [cf_save="$CPPFLAGS"
3772 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
3776 #include <sys/types.h>
3778 #ifdef _XOPEN_SOURCE
3781 [cf_cv_xopen_source=no],
3782 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3787 if test "$cf_cv_xopen_source" != no ; then
3788 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3789 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3790 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3791 CF_ADD_CFLAGS($cf_temp_xopen_source)
3794 dnl ---------------------------------------------------------------------------
3795 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3797 dnl Make an uppercase version of a variable
3798 dnl $1=uppercase($2)
3799 AC_DEFUN([CF_UPPER],
3801 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3803 dnl ---------------------------------------------------------------------------
3804 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3806 dnl Check for multibyte support, and if not found, utf8 compatibility library
3807 AC_DEFUN([CF_UTF8_LIB],
3809 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3810 cf_save_LIBS="$LIBS"
3812 #include <stdlib.h>],[putwc(0,0);],
3813 [cf_cv_utf8_lib=yes],
3815 #include <libutf8.h>],[putwc(0,0);],utf8,
3816 [cf_cv_utf8_lib=add-on],
3817 [cf_cv_utf8_lib=no])
3820 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3822 if test "$cf_cv_utf8_lib" = "add-on" ; then
3823 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3824 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3825 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3826 CF_ADD_LIBS($cf_cv_library_file_utf8)
3829 dnl ---------------------------------------------------------------------------
3830 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3832 dnl Use AC_VERBOSE w/o the warnings
3833 AC_DEFUN([CF_VERBOSE],
3834 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3837 dnl ---------------------------------------------------------------------------
3838 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3840 dnl Check for compiler-support for weak symbols.
3841 dnl This works with "recent" gcc.
3842 AC_DEFUN([CF_WEAK_SYMBOLS],[
3843 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3846 #include <stdio.h>],
3848 #if defined(__GNUC__)
3849 # if defined __USE_ISOC99
3850 # define _cat_pragma(exp) _Pragma(#exp)
3851 # define _weak_pragma(exp) _cat_pragma(weak name)
3853 # define _weak_pragma(exp)
3855 # define _declare(name) __extension__ extern __typeof__(name) name
3856 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3860 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3863 dnl ---------------------------------------------------------------------------
3864 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3865 dnl --------------------
3866 dnl Command-line option to specify the Ada95 compiler.
3867 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3868 AC_MSG_CHECKING(for ada-compiler)
3869 AC_ARG_WITH(ada-compiler,
3870 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3871 [cf_ada_compiler=$withval],
3872 [cf_ada_compiler=gnatmake])
3873 AC_SUBST(cf_ada_compiler)
3874 AC_MSG_RESULT($cf_ada_compiler)
3876 dnl ---------------------------------------------------------------------------
3877 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3878 dnl -------------------
3879 dnl Command-line option to specify where Ada includes will install.
3880 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3881 AC_MSG_CHECKING(for ada-include)
3882 CF_WITH_PATH(ada-include,
3883 [ --with-ada-include=DIR Ada includes are in DIR],
3885 PREFIX/share/ada/adainclude,
3886 [$]prefix/share/ada/adainclude)
3887 AC_SUBST(ADA_INCLUDE)
3888 AC_MSG_RESULT($ADA_INCLUDE)
3890 dnl ---------------------------------------------------------------------------
3891 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3892 dnl -------------------
3893 dnl Command-line option to specify where Ada objects will install.
3894 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3895 AC_MSG_CHECKING(for ada-objects)
3896 CF_WITH_PATH(ada-objects,
3897 [ --with-ada-objects=DIR Ada objects are in DIR],
3899 PREFIX/lib/ada/adalib,
3900 [$]prefix/lib/ada/adalib)
3901 AC_SUBST(ADA_OBJECTS)
3902 AC_MSG_RESULT($ADA_OBJECTS)
3904 dnl ---------------------------------------------------------------------------
3905 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
3906 dnl ---------------------
3907 dnl Command-line option to specify if an Ada95 shared-library should be built,
3908 dnl and optionally what its soname should be.
3909 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3910 AC_REQUIRE([CF_GNAT_PROJECTS])
3911 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3912 AC_ARG_WITH(ada-sharedlib,
3913 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3914 [with_ada_sharedlib=$withval],
3915 [with_ada_sharedlib=no])
3916 AC_MSG_RESULT($with_ada_sharedlib)
3918 if test "x$with_ada_sharedlib" != xno
3920 if test "x$cf_gnat_projects" != xyes
3922 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
3923 with_ada_sharedlib=no
3927 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3928 MAKE_ADA_SHAREDLIB="#"
3930 if test "x$with_ada_sharedlib" != xno
3933 if test "x$with_ada_sharedlib" != xyes
3935 ADA_SHAREDLIB="$with_ada_sharedlib"
3939 AC_SUBST(ADA_SHAREDLIB)
3940 AC_SUBST(MAKE_ADA_SHAREDLIB)
3942 dnl ---------------------------------------------------------------------------
3943 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3944 dnl ------------------
3945 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3947 AC_DEFUN([CF_WITH_CURSES_DIR],[
3949 AC_MSG_CHECKING(for specific curses-directory)
3950 AC_ARG_WITH(curses-dir,
3951 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3952 [cf_cv_curses_dir=$withval],
3953 [cf_cv_curses_dir=no])
3954 AC_MSG_RESULT($cf_cv_curses_dir)
3956 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3958 CF_PATH_SYNTAX(withval)
3959 if test -d "$cf_cv_curses_dir"
3961 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3962 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3966 dnl ---------------------------------------------------------------------------
3967 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3968 dnl ------------------
3969 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3970 dnl "lib" prefix, e.g., because it used the dll naming convention.
3972 dnl $1 = variable to set
3973 AC_DEFUN([CF_WITH_LIB_PREFIX],
3975 AC_MSG_CHECKING(if you want to have a library-prefix)
3976 AC_ARG_WITH(lib-prefix,
3977 [ --with-lib-prefix override library-prefix],
3978 [with_lib_prefix=$withval],
3979 [with_lib_prefix=auto])
3980 AC_MSG_RESULT($with_lib_prefix)
3982 if test $with_lib_prefix = auto
3985 elif test $with_lib_prefix = no
3989 LIB_PREFIX=$with_lib_prefix
3992 dnl ---------------------------------------------------------------------------
3993 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3995 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3996 dnl defaulting to yes/no.
3998 dnl $1 = option name
4000 dnl $3 = environment variable to set
4001 dnl $4 = default value, shown in the help-message, must be a constant
4002 dnl $5 = default value, if it's an expression & cannot be in the help-message
4004 AC_DEFUN([CF_WITH_PATH],
4005 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4006 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4007 if ifelse([$5],,true,[test -n "$5"]) ; then
4008 CF_PATH_SYNTAX(withval)
4013 dnl ---------------------------------------------------------------------------
4014 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4015 dnl -------------------------
4016 dnl Allow the choice of the pkg-config library directory to be overridden.
4017 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4021 AC_MSG_CHECKING(for pkg-config library directory)
4024 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4028 PKG_CONFIG_LIBDIR=no
4029 AC_ARG_WITH(pkg-config-libdir,
4030 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4031 [PKG_CONFIG_LIBDIR=$withval],
4032 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4034 case x$PKG_CONFIG_LIBDIR in
4038 # Look for the library directory using the same prefix as the executable
4039 if test "x$PKG_CONFIG" = xnone
4043 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4046 # If you don't like using the default architecture, you have to specify the
4047 # intended library directory and corresponding compiler/linker options.
4049 # This case allows for Debian's 2014-flavor of multiarch, along with the
4050 # most common variations before that point. Some other variants spell the
4051 # directory differently, e.g., "pkg-config", and put it in unusual places.
4052 # pkg-config has always been poorly standardized, which is ironic...
4053 case x`(arch) 2>/dev/null` in
4056 $cf_path/lib/*64-linux-gnu \
4064 $cf_path/lib/*-linux-gnu \
4073 for cf_config in $cf_search_path
4075 CF_VERBOSE(checking $cf_config/pkgconfig)
4076 if test -d $cf_config/pkgconfig
4078 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4079 AC_MSG_CHECKING(done)
4088 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4089 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4092 AC_SUBST(PKG_CONFIG_LIBDIR)
4094 dnl ---------------------------------------------------------------------------
4095 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4097 dnl Check for POSIX thread library.
4098 AC_DEFUN([CF_WITH_PTHREAD],
4100 AC_MSG_CHECKING(if you want to link with the pthread library)
4101 AC_ARG_WITH(pthread,
4102 [ --with-pthread use POSIX thread library],
4103 [with_pthread=$withval],
4105 AC_MSG_RESULT($with_pthread)
4107 if test "$with_pthread" != no ; then
4108 AC_CHECK_HEADER(pthread.h,[
4109 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4111 for cf_lib_pthread in pthread c_r
4113 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4114 cf_save_LIBS="$LIBS"
4115 CF_ADD_LIB($cf_lib_pthread)
4117 #include <pthread.h>
4119 int rc = pthread_create(0,0,0,0);
4120 int r2 = pthread_mutexattr_settype(0, 0);
4121 ],[with_pthread=yes],[with_pthread=no])
4122 LIBS="$cf_save_LIBS"
4123 AC_MSG_RESULT($with_pthread)
4124 test "$with_pthread" = yes && break
4127 if test "$with_pthread" = yes ; then
4128 CF_ADD_LIB($cf_lib_pthread)
4129 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4131 AC_MSG_ERROR(Cannot link with pthread library)
4136 dnl ---------------------------------------------------------------------------
4137 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4139 dnl For testing, override the derived host system-type which is used to decide
4140 dnl things such as the linker commands used to build shared libraries. This is
4141 dnl normally chosen automatically based on the type of system which you are
4142 dnl building on. We use it for testing the configure script.
4144 dnl This is different from the --host option: it is used only for testing parts
4145 dnl of the configure script which would not be reachable with --host since that
4146 dnl relies on the build environment being real, rather than mocked up.
4147 AC_DEFUN([CF_WITH_SYSTYPE],[
4148 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4149 AC_ARG_WITH(system-type,
4150 [ --with-system-type=XXX test: override derived host system-type],
4151 [AC_MSG_WARN(overriding system type to $withval)
4152 cf_cv_system_name=$withval
4156 dnl ---------------------------------------------------------------------------
4157 dnl CF_XOPEN_SOURCE version: 53 updated: 2018/06/16 18:58:58
4159 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4160 dnl or adapt to the vendor's definitions to get equivalent functionality,
4161 dnl without losing the common non-POSIX features.
4164 dnl $1 is the nominal value for _XOPEN_SOURCE
4165 dnl $2 is the nominal value for _POSIX_C_SOURCE
4166 AC_DEFUN([CF_XOPEN_SOURCE],[
4167 AC_REQUIRE([AC_CANONICAL_HOST])
4169 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4170 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4175 cf_xopen_source="-D_ALL_SOURCE"
4181 cf_xopen_source="-D_APPLE_C_SOURCE"
4184 cf_xopen_source="-D_DARWIN_C_SOURCE"
4187 (freebsd*|dragonfly*)
4188 # 5.x headers associate
4189 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4190 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4191 cf_POSIX_C_SOURCE=200112L
4193 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4196 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4199 cf_xopen_source="-D_HPUX_SOURCE"
4202 cf_xopen_source="-D_SGI_SOURCE"
4205 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4206 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4209 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4212 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4214 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4217 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4220 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4221 cf_xopen_source="-D_BSD_SOURCE"
4225 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4228 cf_xopen_source="-D_OSF_SOURCE"
4231 cf_xopen_source="-D_QNX_SOURCE"
4234 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4237 cf_xopen_source="-D__EXTENSIONS__"
4238 cf_cv_xopen_source=broken
4240 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4246 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4250 if test -n "$cf_xopen_source" ; then
4251 CF_ADD_CFLAGS($cf_xopen_source,true)
4254 dnl In anything but the default case, we may have system-specific setting
4255 dnl which is still not guaranteed to provide all of the entrypoints that
4256 dnl _XOPEN_SOURCE would yield.
4257 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4258 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4259 AC_TRY_COMPILE([#include <stdlib.h>],[
4260 #ifndef _XOPEN_SOURCE
4263 [cf_XOPEN_SOURCE_set=yes],
4264 [cf_XOPEN_SOURCE_set=no])
4265 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4266 if test $cf_XOPEN_SOURCE_set = yes
4268 AC_TRY_COMPILE([#include <stdlib.h>],[
4269 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4272 [cf_XOPEN_SOURCE_set_ok=yes],
4273 [cf_XOPEN_SOURCE_set_ok=no])
4274 if test $cf_XOPEN_SOURCE_set_ok = no
4276 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)