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 1.142 2019/01/01 01:46:17 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: 10 updated: 2018/12/10 20:09:41
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,$1)
1526 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
1527 AC_TRY_COMPILE([#include <sys/types.h>],[
1528 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
1530 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
1533 # error not GNU C library
1535 [cf_cv_gnu_library=yes],
1536 [cf_cv_gnu_library=no])
1539 if test x$cf_cv_gnu_library = xyes; then
1541 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
1542 # was changed to help a little. newlib incorporated the change about 4
1544 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
1546 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1547 AC_TRY_COMPILE([#include <sys/types.h>],[
1548 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
1550 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
1553 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
1555 [cf_cv_gnu_library_219=yes],
1556 [cf_cv_gnu_library_219=no])
1560 if test "x$cf_cv_gnu_library_219" = xyes; then
1562 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
1563 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
1566 #include <sys/types.h>
1568 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
1571 # error GNU C library is too old
1573 [cf_cv_gnu_dftsrc_219=yes],
1574 [cf_cv_gnu_dftsrc_219=no])
1576 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
1578 cf_cv_gnu_dftsrc_219=maybe
1581 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
1583 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1584 AC_TRY_COMPILE([#include <sys/types.h>],[
1585 #ifndef _XOPEN_SOURCE
1586 #error expected _XOPEN_SOURCE to be defined
1588 [cf_cv_gnu_source=no],
1589 [cf_save="$CPPFLAGS"
1590 CF_ADD_CFLAGS(-D_GNU_SOURCE)
1591 AC_TRY_COMPILE([#include <sys/types.h>],[
1592 #ifdef _XOPEN_SOURCE
1593 #error expected _XOPEN_SOURCE to be undefined
1595 [cf_cv_gnu_source=no],
1596 [cf_cv_gnu_source=yes])
1601 if test "$cf_cv_gnu_source" = yes
1603 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1604 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
1605 AC_TRY_COMPILE([#include <sys/types.h>],[
1606 #ifdef _DEFAULT_SOURCE
1607 #error expected _DEFAULT_SOURCE to be undefined
1609 [cf_cv_default_source=no],
1610 [cf_cv_default_source=yes])
1612 if test "$cf_cv_default_source" = yes
1614 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
1621 dnl ---------------------------------------------------------------------------
1622 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1624 dnl Construct a search-list of directories for a nonstandard header-file
1627 dnl $1 = the variable to return as result
1628 dnl $2 = the package name
1629 AC_DEFUN([CF_HEADER_PATH],
1633 # collect the current set of include-directories from compiler flags
1634 cf_header_path_list=""
1635 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1636 for cf_header_path in $CPPFLAGS $CFLAGS
1638 case $cf_header_path in
1640 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1641 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1642 cf_header_path_list="$cf_header_path_list [$]$1"
1648 # add the variations for the package we are looking for
1649 CF_SUBDIR_PATH($1,$2,include)
1651 test "$includedir" != NONE && \
1652 test "$includedir" != "/usr/include" && \
1653 test -d "$includedir" && {
1654 test -d $includedir && $1="[$]$1 $includedir"
1655 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1658 test "$oldincludedir" != NONE && \
1659 test "$oldincludedir" != "/usr/include" && \
1660 test -d "$oldincludedir" && {
1661 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1662 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1665 $1="[$]$1 $cf_header_path_list"
1667 dnl ---------------------------------------------------------------------------
1668 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1670 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1671 AC_DEFUN([CF_HELP_MESSAGE],
1672 [AC_DIVERT_HELP([$1])dnl
1674 dnl ---------------------------------------------------------------------------
1675 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1677 dnl Construct the list of include-options according to whether we're building
1678 dnl in the source directory or using '--srcdir=DIR' option.
1679 AC_DEFUN([CF_INCLUDE_DIRS],
1681 if test "$srcdir" != "."; then
1682 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1684 CPPFLAGS="-I../include $CPPFLAGS"
1685 if test "$srcdir" != "."; then
1686 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1688 CPPFLAGS="-I. $CPPFLAGS"
1691 dnl ---------------------------------------------------------------------------
1692 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
1694 dnl prompt for/fill-in useful install-program options
1695 AC_DEFUN([CF_INSTALL_OPTS],
1701 dnl ---------------------------------------------------------------------------
1702 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
1703 dnl ----------------
1704 dnl Almost all "install" programs default to the current user's ownership.
1705 dnl Almost - MINIX is an exception.
1706 AC_DEFUN([CF_INSTALL_OPT_O],
1708 AC_MSG_CHECKING(if install needs to be told about ownership)
1709 case `$ac_config_guess` in
1718 AC_MSG_RESULT($with_install_o)
1719 if test "x$with_install_o" = xyes
1721 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'`
1726 AC_SUBST(INSTALL_OPT_O)
1728 dnl ---------------------------------------------------------------------------
1729 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
1730 dnl ----------------
1731 dnl Some install-programs accept a "-p" option to preserve file modification
1732 dnl timestamps. That can be useful as an install option, as well as a way to
1733 dnl avoid the need for ranlib after copying a static archive.
1734 AC_DEFUN([CF_INSTALL_OPT_P],
1736 : ${INSTALL:=install}
1737 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
1742 if $INSTALL -p conftest.in conftest.out 2>/dev/null
1744 if test -f conftest.out/conftest.in
1746 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
1747 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
1748 if test -s conftest.err
1763 dnl ---------------------------------------------------------------------------
1764 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
1765 dnl ----------------
1766 dnl By default, we should strip executables which are installed, but leave the
1767 dnl ability to suppress that for unit-testing.
1768 AC_DEFUN([CF_INSTALL_OPT_S],
1770 AC_MSG_CHECKING(if you want to install stripped executables)
1771 CF_ARG_DISABLE(stripping,
1772 [ --disable-stripping do not strip (debug info) installed executables],
1773 [with_stripping=no],
1774 [with_stripping=yes])
1775 AC_MSG_RESULT($with_stripping)
1777 if test "$with_stripping" = yes
1783 AC_SUBST(INSTALL_OPT_S)
1785 dnl ---------------------------------------------------------------------------
1786 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1787 dnl -----------------
1788 dnl Check if the given compiler is really the Intel compiler for Linux. It
1789 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1790 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1792 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1793 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1794 dnl the wrappers for gcc and g++ warnings.
1796 dnl $1 = GCC (default) or GXX
1797 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1798 dnl $3 = CFLAGS (default) or CXXFLAGS
1799 AC_DEFUN([CF_INTEL_COMPILER],[
1800 AC_REQUIRE([AC_CANONICAL_HOST])
1801 ifelse([$2],,INTEL_COMPILER,[$2])=no
1803 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1806 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1807 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1808 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1810 #ifdef __INTEL_COMPILER
1814 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1815 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1817 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1818 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1823 dnl ---------------------------------------------------------------------------
1824 dnl CF_LARGEFILE version: 11 updated: 2018/06/20 20:23:13
1826 dnl Add checks for large file support.
1827 AC_DEFUN([CF_LARGEFILE],[
1828 ifdef([AC_FUNC_FSEEKO],[
1830 if test "$enable_largefile" != no ; then
1833 # Normally we would collect these definitions in the config.h,
1834 # but (like _XOPEN_SOURCE), some environments rely on having these
1835 # defined before any of the system headers are included. Another
1836 # case comes up with C++, e.g., on AIX the compiler compiles the
1837 # header files by themselves before looking at the body files it is
1838 # told to compile. For ncurses, those header files do not include
1840 if test "$ac_cv_sys_large_files" != no
1842 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
1844 if test "$ac_cv_sys_largefile_source" != no
1846 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
1848 if test "$ac_cv_sys_file_offset_bits" != no
1850 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
1853 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1855 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1856 #include <sys/types.h>
1859 /* if transitional largefile support is setup, this is true */
1860 extern struct dirent64 * readdir(DIR *);
1861 struct dirent64 *x = readdir((DIR *)0);
1862 struct dirent *y = readdir((DIR *)0);
1865 [cf_cv_struct_dirent64=yes],
1866 [cf_cv_struct_dirent64=no])
1868 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1872 dnl ---------------------------------------------------------------------------
1873 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
1875 dnl For the given system and compiler, find the compiler flags to pass to the
1876 dnl loader to use the "rpath" feature.
1877 AC_DEFUN([CF_LD_RPATH_OPT],
1879 AC_REQUIRE([CF_CHECK_CACHE])
1882 if test "x$cf_cv_enable_rpath" != xno
1884 AC_MSG_CHECKING(for an rpath option)
1885 case $cf_cv_system_name in
1887 if test "$GCC" = yes; then
1888 LD_RPATH_OPT="-Wl,-rpath,"
1890 LD_RPATH_OPT="-rpath "
1893 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1894 LD_RPATH_OPT="-Wl,-rpath,"
1896 (openbsd[[2-9]].*|mirbsd*)
1897 LD_RPATH_OPT="-Wl,-rpath,"
1900 LD_RPATH_OPT="-rpath "
1903 LD_RPATH_OPT="-Wl,-rpath,"
1906 LD_RPATH_OPT="-rpath "
1914 AC_MSG_RESULT($LD_RPATH_OPT)
1916 case "x$LD_RPATH_OPT" in
1918 AC_MSG_CHECKING(if we need a space after rpath option)
1919 cf_save_LIBS="$LIBS"
1920 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1921 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1922 LIBS="$cf_save_LIBS"
1923 AC_MSG_RESULT($cf_rpath_space)
1924 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1929 dnl ---------------------------------------------------------------------------
1930 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1932 dnl Construct a search-list of directories for a nonstandard library-file
1935 dnl $1 = the variable to return as result
1936 dnl $2 = the package name
1937 AC_DEFUN([CF_LIBRARY_PATH],
1940 cf_library_path_list=""
1941 if test -n "${LDFLAGS}${LIBS}" ; then
1942 for cf_library_path in $LDFLAGS $LIBS
1944 case $cf_library_path in
1946 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1947 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1948 cf_library_path_list="$cf_library_path_list [$]$1"
1954 CF_SUBDIR_PATH($1,$2,lib)
1956 $1="$cf_library_path_list [$]$1"
1958 dnl ---------------------------------------------------------------------------
1959 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1961 dnl Compute the library-prefix for the given host system
1962 dnl $1 = variable to set
1963 define([CF_LIB_PREFIX],
1965 case $cf_cv_system_name in
1967 if test "$DFT_LWR_MODEL" = libtool; then
1973 (*) LIB_PREFIX='lib'
1976 ifelse($1,,,[$1=$LIB_PREFIX])
1977 AC_SUBST(LIB_PREFIX)
1979 dnl ---------------------------------------------------------------------------
1980 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1982 dnl Compute the library file-suffix from the given model name
1984 dnl $2 = variable to set (the nominal library suffix)
1985 dnl $3 = dependency variable to set (actual filename)
1986 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1987 AC_DEFUN([CF_LIB_SUFFIX],
2003 case $cf_cv_system_name in
2008 (cygwin*|msys*|mingw*)
2039 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
2041 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
2042 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
2045 dnl ---------------------------------------------------------------------------
2046 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
2048 dnl Compute the string to append to -library from the given model name
2050 dnl $2 = variable to set
2051 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
2052 AC_DEFUN([CF_LIB_TYPE],
2058 (profile) $2='_p' ;;
2061 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
2063 dnl ---------------------------------------------------------------------------
2064 dnl CF_LINK_DATAONLY version: 12 updated: 2017/07/23 17:46:07
2065 dnl ----------------
2066 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
2067 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
2068 dnl have to provide wrappers for global tables to ensure they're linked
2070 AC_DEFUN([CF_LINK_DATAONLY],
2072 AC_MSG_CHECKING([if data-only library module links])
2073 AC_CACHE_VAL(cf_cv_link_dataonly,[
2075 cat >conftest.$ac_ext <<EOF
2076 #line __oline__ "configure"
2077 int testdata[[3]] = { 123, 456, 789 };
2079 if AC_TRY_EVAL(ac_compile) ; then
2080 mv conftest.o data.o && \
2081 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
2083 rm -f conftest.$ac_ext data.o
2084 cat >conftest.$ac_ext <<EOF
2085 #line __oline__ "configure"
2089 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
2091 extern int testdata[[3]];
2092 return testdata[[0]] == 123
2093 && testdata[[1]] == 456
2094 && testdata[[2]] == 789;
2098 if AC_TRY_EVAL(ac_compile); then
2099 mv conftest.o func.o && \
2100 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
2102 rm -f conftest.$ac_ext func.o
2103 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
2105 LIBS="conftest.a $LIBS"
2109 extern int testfunc();
2110 ${cf_cv_main_return:-return} (!testfunc());
2113 [cf_cv_link_dataonly=yes],
2114 [cf_cv_link_dataonly=no],
2115 [cf_cv_link_dataonly=unknown])
2118 AC_MSG_RESULT($cf_cv_link_dataonly)
2120 if test "$cf_cv_link_dataonly" = no ; then
2121 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
2126 dnl ---------------------------------------------------------------------------
2127 dnl CF_MAKEFLAGS version: 18 updated: 2018/02/21 21:26:03
2129 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
2130 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
2131 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
2132 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
2133 AC_DEFUN([CF_MAKEFLAGS],
2135 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
2137 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
2139 cat >cf_makeflags.tmp <<CF_EOF
2142 @ echo '.$cf_option'
2144 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
2145 case "$cf_result" in
2147 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
2148 case "$cf_result" in
2149 (.*CC=*) cf_cv_makeflags=
2151 (*) cf_cv_makeflags=$cf_option
2159 CF_MSG_LOG(given option \"$cf_option\", no match \"$cf_result\")
2163 rm -f cf_makeflags.tmp
2166 AC_SUBST(cf_cv_makeflags)
2168 dnl ---------------------------------------------------------------------------
2169 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
2171 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
2172 dnl a monocase filesystem.
2173 AC_DEFUN([CF_MAKE_TAGS],[
2174 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
2176 AC_CHECK_PROGS(CTAGS, exctags ctags)
2177 AC_CHECK_PROGS(ETAGS, exetags etags)
2179 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
2181 if test "$cf_cv_mixedcase" = yes ; then
2182 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
2187 if test "$MAKE_UPPER_TAGS" = yes ; then
2193 if test "$MAKE_LOWER_TAGS" = yes ; then
2202 AC_SUBST(MAKE_UPPER_TAGS)
2203 AC_SUBST(MAKE_LOWER_TAGS)
2205 dnl ---------------------------------------------------------------------------
2206 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2207 dnl ----------------------
2208 dnl Check if the file-system supports mixed-case filenames. If we're able to
2209 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2210 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2212 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2213 if test "$cross_compiling" = yes ; then
2214 case $target_alias in
2215 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2223 rm -f conftest CONFTEST
2225 if test -f CONFTEST ; then
2230 rm -f conftest CONFTEST
2233 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2235 dnl ---------------------------------------------------------------------------
2236 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2238 dnl Check for a working mkstemp. This creates two files, checks that they are
2239 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2240 AC_DEFUN([CF_MKSTEMP],[
2244 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2247 #include <sys/types.h>
2248 #ifdef HAVE_UNISTD_H
2254 #include <sys/stat.h>
2257 char *tmpl = "conftestXXXXXX";
2265 for (n = 0; n < 2; ++n) {
2266 strcpy(name[n], tmpl);
2267 if ((fd = mkstemp(name[n])) >= 0) {
2268 if (!strcmp(name[n], tmpl)
2269 || stat(name[n], &sb) != 0
2270 || (sb.st_mode & S_IFMT) != S_IFREG
2271 || (sb.st_mode & 077) != 0) {
2278 && !strcmp(name[0], name[1]))
2280 ${cf_cv_main_return:-return}(result);
2282 ],[cf_cv_func_mkstemp=yes
2283 ],[cf_cv_func_mkstemp=no
2284 ],[cf_cv_func_mkstemp=maybe])
2286 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2287 AC_CHECK_FUNC(mkstemp)
2289 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2290 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2293 dnl ---------------------------------------------------------------------------
2294 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2296 dnl Write a debug message to config.log, along with the line number in the
2297 dnl configure script.
2298 AC_DEFUN([CF_MSG_LOG],[
2299 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2301 dnl ---------------------------------------------------------------------------
2302 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2303 dnl ----------------
2304 dnl Configure an ncurses add-on, built outside the ncurses tree.
2305 AC_DEFUN([CF_NCURSES_ADDON],[
2306 AC_REQUIRE([CF_NCURSES_CONFIG])
2308 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2310 AC_MSG_CHECKING(if you want wide-character code)
2311 AC_ARG_ENABLE(widec,
2312 [ --enable-widec compile with wide-char/UTF-8 code],
2313 [with_widec=$enableval],
2315 AC_MSG_RESULT($with_widec)
2316 if test "$with_widec" = yes ; then
2318 CF_NCURSES_CONFIG(ncursesw)
2320 CF_NCURSES_CONFIG(ncurses)
2323 if test "$NCURSES_CONFIG_PKG" != none ; then
2324 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2326 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2327 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2328 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2330 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2331 if test -z "$cf_cv_abi_version"
2333 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2336 elif test "$NCURSES_CONFIG" != none ; then
2338 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2340 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2341 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2342 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2344 # ABI version is not available from headers
2345 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2349 for cf_name in MAJOR MINOR PATCH
2351 cat >conftest.$ac_ext <<CF_EOF
2352 #include <${cf_cv_ncurses_header:-curses.h}>
2353 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2355 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2357 if test -f conftest.out ; then
2358 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2359 eval NCURSES_$cf_name=\"$cf_result\"
2360 # cat conftest.$ac_ext
2365 cf_cv_abi_version=${NCURSES_MAJOR}
2369 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2371 dnl Show the computed version, for logging
2372 cf_cv_timestamp=`date`
2374 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2376 dnl We need these values in the generated headers
2377 AC_SUBST(NCURSES_MAJOR)
2378 AC_SUBST(NCURSES_MINOR)
2379 AC_SUBST(NCURSES_PATCH)
2381 dnl We need these values in the generated makefiles
2382 AC_SUBST(cf_cv_rel_version)
2383 AC_SUBST(cf_cv_abi_version)
2385 dnl FIXME - not needed for Ada95
2386 AC_SUBST(cf_cv_builtin_bool)
2387 AC_SUBST(cf_cv_header_stdbool_h)
2388 AC_SUBST(cf_cv_type_of_bool)dnl
2391 dnl ---------------------------------------------------------------------------
2392 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2393 dnl -------------------
2394 dnl Check if we can compile with ncurses' header file
2395 dnl $1 is the cache variable to set
2396 dnl $2 is the header-file to include
2397 dnl $3 is the root name (ncurses or ncursesw)
2398 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2400 ]ifelse($3,ncursesw,[
2401 #define _XOPEN_SOURCE_EXTENDED
2402 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2403 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2406 #ifdef NCURSES_VERSION
2407 ]ifelse($3,ncursesw,[
2412 printf("%s\n", NCURSES_VERSION);
2424 dnl ---------------------------------------------------------------------------
2425 dnl CF_NCURSES_CONFIG version: 21 updated: 2018/06/20 20:23:13
2426 dnl -----------------
2427 dnl Tie together the configure-script macros for ncurses, preferring these in
2429 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2430 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2431 dnl c) just plain libraries
2433 dnl $1 is the root library name (default: "ncurses")
2434 AC_DEFUN([CF_NCURSES_CONFIG],[
2435 AC_REQUIRE([CF_PKG_CONFIG])
2436 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2437 cf_have_ncuconfig=no
2439 if test "x${PKG_CONFIG:=none}" != xnone; then
2440 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2441 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2444 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2445 cf_have_ncuconfig=unknown
2447 cf_save_CPPFLAGS="$CPPFLAGS"
2448 cf_save_LIBS="$LIBS"
2450 CF_ADD_CFLAGS(`$PKG_CONFIG --cflags $cf_ncuconfig_root`)
2451 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2453 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2454 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2455 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2457 { char *xx = curses_version(); return (xx == 0); }],
2458 [cf_have_ncuconfig=yes],
2459 [cf_have_ncuconfig=no],
2460 [cf_have_ncuconfig=maybe])],
2461 [cf_have_ncuconfig=no])
2462 AC_MSG_RESULT($cf_have_ncuconfig)
2463 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2464 if test "$cf_have_ncuconfig" != "yes"
2466 CPPFLAGS="$cf_save_CPPFLAGS"
2467 LIBS="$cf_save_LIBS"
2468 NCURSES_CONFIG_PKG=none
2470 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2471 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2477 NCURSES_CONFIG_PKG=none
2480 NCURSES_CONFIG_PKG=none
2483 if test "x$cf_have_ncuconfig" = "xno"; then
2484 cf_ncurses_config="${cf_ncuconfig_root}${NCURSES_CONFIG_SUFFIX}-config"; echo "Looking for ${cf_ncurses_config}"
2486 CF_ACVERSION_CHECK(2.52,
2487 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2488 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncurses_config} ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2490 if test "$NCURSES_CONFIG" != none ; then
2492 CF_ADD_CFLAGS(`$NCURSES_CONFIG --cflags`)
2493 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2495 # even with config script, some packages use no-override for curses.h
2496 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2498 dnl like CF_NCURSES_CPPFLAGS
2499 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2501 dnl like CF_NCURSES_LIBS
2502 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2503 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2505 dnl like CF_NCURSES_VERSION
2506 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2510 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2511 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2518 dnl ---------------------------------------------------------------------------
2519 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2520 dnl -------------------
2521 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2522 dnl the CPPFLAGS variable so we can include its header.
2524 dnl The header files may be installed as either curses.h, or ncurses.h (would
2525 dnl be obsolete, except that some packagers prefer this name to distinguish it
2526 dnl from a "native" curses implementation). If not installed for overwrite,
2527 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2528 dnl /usr/include/ncurses), but someone may have installed overwriting the
2529 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2530 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2533 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2534 dnl is already in the include-path, don't even bother with this, since we cannot
2535 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2537 dnl The optional parameter gives the root name of the library, in case it is
2538 dnl not installed as the default curses library. That is how the
2539 dnl wide-character version of ncurses is installed.
2540 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2541 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2543 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2544 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2546 test -n "$cf_cv_curses_dir" && \
2547 test "$cf_cv_curses_dir" != "no" && { \
2548 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2551 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2552 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2553 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2554 for cf_header in $cf_header_list
2556 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2557 test "$cf_cv_ncurses_h" != no && break
2564 # some applications need this, but should check for NCURSES_VERSION
2565 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2569 dnl ---------------------------------------------------------------------------
2570 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2571 dnl -----------------
2572 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2573 dnl variations of ncurses' installs.
2575 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2576 AC_DEFUN([CF_NCURSES_HEADER],[
2578 if test "$cf_cv_ncurses_h" != no ; then
2579 cf_cv_ncurses_header=$cf_cv_ncurses_h
2582 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2583 test -n "$verbose" && echo
2584 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2585 test -n "$verbose" && echo search path $cf_search
2586 cf_save2_CPPFLAGS="$CPPFLAGS"
2587 for cf_incdir in $cf_search
2589 CF_ADD_INCDIR($cf_incdir)
2594 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2595 if test "$cf_cv_ncurses_h2" != no ; then
2596 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2597 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2600 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2602 CPPFLAGS="$cf_save2_CPPFLAGS"
2603 test "$cf_cv_ncurses_h2" != no && break
2605 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2608 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2609 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2610 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2611 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2613 CF_ADD_INCDIR($cf_1st_incdir)
2617 # Set definitions to allow ifdef'ing for ncurses.h
2619 case $cf_cv_ncurses_header in
2621 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2625 case $cf_cv_ncurses_header in
2626 (ncurses/curses.h|ncurses/ncurses.h)
2627 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2629 (ncursesw/curses.h|ncursesw/ncurses.h)
2630 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2635 dnl ---------------------------------------------------------------------------
2636 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2638 dnl Look for the ncurses library. This is a little complicated on Linux,
2639 dnl because it may be linked with the gpm (general purpose mouse) library.
2640 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2641 dnl unusable with ncurses. However, we don't want to link with gpm unless
2642 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2643 dnl and the linker will record a dependency.
2645 dnl The optional parameter gives the root name of the library, in case it is
2646 dnl not installed as the default curses library. That is how the
2647 dnl wide-character version of ncurses is installed.
2648 AC_DEFUN([CF_NCURSES_LIBS],
2649 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2651 cf_nculib_root=ifelse($1,,ncurses,$1)
2652 # This works, except for the special case where we find gpm, but
2653 # ncurses is in a nonstandard location via $LIBS, and we really want
2656 cf_ncurses_SAVE="$LIBS"
2657 AC_CHECK_LIB(gpm,Gpm_Open,
2658 [AC_CHECK_LIB(gpm,initscr,
2659 [LIBS="$cf_ncurses_SAVE"],
2660 [cf_ncurses_LIBS="-lgpm"])])
2664 # This is only necessary if you are linking against an obsolete
2665 # version of ncurses (but it should do no harm, since it's static).
2666 if test "$cf_nculib_root" = ncurses ; then
2667 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2672 CF_ADD_LIBS($cf_ncurses_LIBS)
2674 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2676 CF_ADD_LIBS(-l$cf_nculib_root)
2678 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2679 [#include <${cf_cv_ncurses_header:-curses.h}>],
2684 if test -n "$cf_ncurses_LIBS" ; then
2685 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2686 cf_ncurses_SAVE="$LIBS"
2687 for p in $cf_ncurses_LIBS ; do
2688 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2689 if test "$q" != "$LIBS" ; then
2693 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2694 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2695 [AC_MSG_RESULT(yes)],
2697 LIBS="$cf_ncurses_SAVE"])
2700 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2701 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2703 dnl ---------------------------------------------------------------------------
2704 dnl CF_NCURSES_VERSION version: 15 updated: 2017/05/09 19:26:10
2705 dnl ------------------
2706 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2707 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2708 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2709 AC_DEFUN([CF_NCURSES_VERSION],
2711 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2712 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2713 cf_cv_ncurses_version=no
2717 #include <${cf_cv_ncurses_header:-curses.h}>
2721 FILE *fp = fopen("$cf_tempfile", "w");
2722 #ifdef NCURSES_VERSION
2723 # ifdef NCURSES_VERSION_PATCH
2724 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2726 fprintf(fp, "%s\n", NCURSES_VERSION);
2730 fprintf(fp, "old\n");
2735 ${cf_cv_main_return:-return}(0);
2737 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2739 # This will not work if the preprocessor splits the line after the
2740 # Autoconf token. The 'unproto' program does that.
2741 cat > conftest.$ac_ext <<EOF
2742 #include <${cf_cv_ncurses_header:-curses.h}>
2744 #ifdef NCURSES_VERSION
2745 Autoconf NCURSES_VERSION
2753 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2755 if test -f conftest.out ; then
2756 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2757 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2763 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2765 dnl ---------------------------------------------------------------------------
2766 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2768 dnl Compute the object-directory name from the given model name
2769 AC_DEFUN([CF_OBJ_SUBDIR],
2772 (libtool) $2='obj_lo' ;;
2773 (normal) $2='objects' ;;
2774 (debug) $2='obj_g' ;;
2775 (profile) $2='obj_p' ;;
2777 case $cf_cv_system_name in
2785 dnl ---------------------------------------------------------------------------
2786 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2788 dnl Provide a value for the $PATH and similar separator (or amend the value
2789 dnl as provided in autoconf 2.5x).
2790 AC_DEFUN([CF_PATHSEP],
2792 AC_MSG_CHECKING(for PATH separator)
2793 case $cf_cv_system_name in
2794 (os2*) PATH_SEPARATOR=';' ;;
2795 (*) ${PATH_SEPARATOR:=':'} ;;
2797 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2798 AC_SUBST(PATH_SEPARATOR)
2799 AC_MSG_RESULT($PATH_SEPARATOR)
2801 dnl ---------------------------------------------------------------------------
2802 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2804 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2805 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2806 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2807 dnl delayed evaluation of those symbols.
2808 AC_DEFUN([CF_PATH_SYNTAX],[
2809 if test "x$prefix" != xNONE; then
2810 cf_path_syntax="$prefix"
2812 cf_path_syntax="$ac_default_prefix"
2816 (.\[$]\(*\)*|.\'*\'*)
2820 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2822 (.\[$]{*prefix}*|.\[$]{*dir}*)
2826 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2831 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2834 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2838 dnl ---------------------------------------------------------------------------
2839 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2841 dnl Check for the package-config program, unless disabled by command-line.
2842 AC_DEFUN([CF_PKG_CONFIG],
2844 AC_MSG_CHECKING(if you want to use pkg-config)
2845 AC_ARG_WITH(pkg-config,
2846 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2847 [cf_pkg_config=$withval],
2848 [cf_pkg_config=yes])
2849 AC_MSG_RESULT($cf_pkg_config)
2851 case $cf_pkg_config in
2856 CF_ACVERSION_CHECK(2.52,
2857 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2858 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2865 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2866 if test "$PKG_CONFIG" != none ; then
2867 CF_PATH_SYNTAX(PKG_CONFIG)
2868 elif test "x$cf_pkg_config" != xno ; then
2869 AC_MSG_WARN(pkg-config is not installed)
2872 AC_SUBST(PKG_CONFIG)
2874 dnl ---------------------------------------------------------------------------
2875 dnl CF_POSIX_C_SOURCE version: 11 updated: 2018/12/31 20:46:17
2876 dnl -----------------
2877 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2879 dnl POSIX.1-1990 _POSIX_SOURCE
2880 dnl POSIX.1-1990 and _POSIX_SOURCE and
2881 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2883 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2884 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2885 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2888 dnl $1 is the nominal value for _POSIX_C_SOURCE
2889 AC_DEFUN([CF_POSIX_C_SOURCE],
2890 [AC_REQUIRE([CF_POSIX_VISIBLE])dnl
2892 if test "$cf_cv_posix_visible" = no; then
2894 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2896 cf_save_CFLAGS="$CFLAGS"
2897 cf_save_CPPFLAGS="$CPPFLAGS"
2899 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2900 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2902 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2903 CF_MSG_LOG(if the symbol is already defined go no further)
2904 AC_TRY_COMPILE([#include <sys/types.h>],[
2905 #ifndef _POSIX_C_SOURCE
2908 [cf_cv_posix_c_source=no],
2909 [cf_want_posix_source=no
2910 case .$cf_POSIX_C_SOURCE in
2912 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2915 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2916 cf_want_posix_source=yes
2919 cf_want_posix_source=yes
2922 if test "$cf_want_posix_source" = yes ; then
2923 AC_TRY_COMPILE([#include <sys/types.h>],[
2924 #ifdef _POSIX_SOURCE
2927 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2929 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2930 CFLAGS="$cf_trim_CFLAGS"
2931 CPPFLAGS="$cf_trim_CPPFLAGS"
2932 CF_APPEND_TEXT(CPPFLAGS,$cf_cv_posix_c_source)
2933 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2934 AC_TRY_COMPILE([#include <sys/types.h>],[
2935 #ifndef _POSIX_C_SOURCE
2938 [cf_cv_posix_c_source=no])
2939 CFLAGS="$cf_save_CFLAGS"
2940 CPPFLAGS="$cf_save_CPPFLAGS"
2944 if test "$cf_cv_posix_c_source" != no ; then
2945 CFLAGS="$cf_trim_CFLAGS"
2946 CPPFLAGS="$cf_trim_CPPFLAGS"
2947 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2950 fi # cf_cv_posix_visible
2953 dnl ---------------------------------------------------------------------------
2954 dnl CF_POSIX_VISIBLE version: 1 updated: 2018/12/31 20:46:17
2955 dnl ----------------
2956 dnl POSIX documents test-macros which an application may set before any system
2957 dnl headers are included to make features available.
2959 dnl Some BSD platforms (originally FreeBSD, but copied by a few others)
2960 dnl diverged from POSIX in 2002 by setting symbols which make all of the most
2961 dnl recent features visible in the system header files unless the application
2962 dnl overrides the corresponding test-macros. Doing that introduces portability
2965 dnl This macro makes a special check for the symbols used for this, to avoid a
2966 dnl conflicting definition.
2967 AC_DEFUN([CF_POSIX_VISIBLE],
2969 AC_CACHE_CHECK(if the POSIX test-macros are already defined,cf_cv_posix_visible,[
2970 AC_TRY_COMPILE([#include <stdio.h>],[
2971 #if defined(__POSIX_VISIBLE) && ((__POSIX_VISIBLE - 0L) > 0) \
2972 && defined(__XSI_VISIBLE) && ((__XSI_VISIBLE - 0L) > 0) \
2973 && defined(__BSD_VISIBLE) && ((__BSD_VISIBLE - 0L) > 0) \
2974 && defined(__ISO_C_VISIBLE) && ((__ISO_C_VISIBLE - 0L) > 0)
2975 #error conflicting symbols found
2977 ],[cf_cv_posix_visible=no],[cf_cv_posix_visible=yes])
2980 dnl ---------------------------------------------------------------------------
2981 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2983 dnl Check for archiver "ar".
2984 AC_DEFUN([CF_PROG_AR],[
2985 AC_CHECK_TOOL(AR, ar, ar)
2987 dnl ---------------------------------------------------------------------------
2988 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2990 dnl Check for awk, ensure that the check found something.
2991 AC_DEFUN([CF_PROG_AWK],
2994 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2996 dnl ---------------------------------------------------------------------------
2997 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2999 dnl standard check for CC, plus followup sanity checks
3000 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
3001 AC_DEFUN([CF_PROG_CC],[
3002 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
3004 CF_ACVERSION_CHECK(2.52,
3009 dnl ---------------------------------------------------------------------------
3010 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
3012 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
3013 dnl the output file can be renamed, and allows for a shell variable that can
3014 dnl be used later. The parameter is either CC or CXX. The result is the
3016 dnl $cf_cv_prog_CC_c_o
3017 dnl $cf_cv_prog_CXX_c_o
3020 dnl $2 = compiler options, if any
3021 AC_DEFUN([CF_PROG_CC_C_O],
3022 [AC_REQUIRE([AC_PROG_CC])dnl
3023 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
3024 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
3026 cat > conftest.$ac_ext <<CF_EOF
3029 ${cf_cv_main_return:-return}(0);
3032 # We do the test twice because some compilers refuse to overwrite an
3033 # existing .o file with -o, though they will create one.
3034 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
3035 if AC_TRY_EVAL(ac_try) &&
3036 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
3038 eval cf_cv_prog_$1_c_o=yes
3040 eval cf_cv_prog_$1_c_o=no
3044 if test $cf_cv_prog_$1_c_o = yes; then
3045 AC_MSG_RESULT([yes])
3050 dnl ---------------------------------------------------------------------------
3051 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
3053 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
3054 dnl This macro adds a check to ensure the script found something.
3055 AC_DEFUN([CF_PROG_EGREP],
3056 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
3057 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
3058 then ac_cv_prog_egrep='grep -E'
3059 else ac_cv_prog_egrep='egrep'
3061 EGREP=$ac_cv_prog_egrep
3063 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
3065 dnl ---------------------------------------------------------------------------
3066 dnl CF_PROG_EXT version: 14 updated: 2018/06/20 20:23:13
3068 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
3069 AC_DEFUN([CF_PROG_EXT],
3071 AC_REQUIRE([CF_CHECK_CACHE])
3072 case $cf_cv_system_name in
3074 CFLAGS="$CFLAGS -Zmt"
3075 CF_APPEND_TEXT(CPPFLAGS,-D__ST_MT_ERRNO__)
3076 CXXFLAGS="$CXXFLAGS -Zmt"
3077 # autoconf's macro sets -Zexe and suffix both, which conflict:w
3078 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
3088 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
3090 dnl ---------------------------------------------------------------------------
3091 dnl CF_PROG_GNAT version: 8 updated: 2018/11/10 19:47:04
3093 dnl Check for gnatmake, ensure that it is complete.
3094 AC_DEFUN([CF_PROG_GNAT],[
3095 cf_ada_make=gnatmake
3097 AC_CHECK_PROG(gnatmake_exists, $cf_ada_make, yes, no)
3098 if test "$ac_cv_prog_gnatmake_exists" = no; then
3100 cf_cv_prog_gnat_correct=no
3102 AC_CHECK_PROG(gprconfig_exists, gprconfig, yes, no)
3103 if test "$ac_cv_prog_gprconfig_exists" = yes
3105 rm -rf conftest* *~conftest*
3106 if mkdir conftest.src
3110 for cf_gprconfig in Ada C
3112 AC_MSG_CHECKING(for gprconfig name for $cf_gprconfig)
3113 if test $cf_gprconfig = C
3115 for cf_gprconfig_param in \
3116 $cf_gprconfig,,,,GNATGCC \
3117 $cf_gprconfig,,,,GCC \
3120 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3121 test -n "$cf_gprconfig_value" && break
3124 cf_gprconfig_param=$cf_gprconfig
3125 cf_gprconfig_value=`echo s| gprconfig --config=$cf_gprconfig_param 2>&AC_FD_CC | ${AWK:-awk} '/^\*/{print [$]3;}' | head -n 1`
3127 if test -n "$cf_gprconfig_value"
3129 eval cf_ada_config_[$]cf_gprconfig=[$]cf_gprconfig_value
3130 AC_MSG_RESULT($cf_gprconfig_value)
3132 AC_MSG_RESULT(missing)
3138 rm -rf conftest* *~conftest*
3141 # gprconfig is newer than gnatmake; we can continue...
3144 if test "x$cf_ada_config" != "x#"
3147 AC_CHECK_PROG(M4_exists, m4, yes, no)
3148 if test "$ac_cv_prog_M4_exists" = no; then
3149 cf_cv_prog_gnat_correct=no
3150 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
3152 if test "$cf_cv_prog_gnat_correct" = yes; then
3153 AC_MSG_CHECKING(if GNAT works)
3154 CF_GNAT_TRY_RUN([procedure conftest;],
3157 procedure conftest is
3159 Text_IO.Put ("Hello World");
3161 GNAT.OS_Lib.OS_Exit (0);
3162 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
3163 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
3166 cf_cv_prog_gnat_correct=no
3170 AC_SUBST(cf_ada_make)
3171 AC_SUBST(cf_ada_config)
3172 AC_SUBST(cf_ada_config_Ada)
3173 AC_SUBST(cf_ada_config_C)
3175 dnl ---------------------------------------------------------------------------
3176 dnl CF_PROG_INSTALL version: 7 updated: 2015/04/18 08:56:57
3178 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
3179 dnl misc/tabset install won't work properly. Usually this happens only when
3180 dnl using the fallback mkinstalldirs script
3181 AC_DEFUN([CF_PROG_INSTALL],
3187 CF_DIRNAME(cf_dir,$INSTALL)
3188 test -z "$cf_dir" && cf_dir=.
3189 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
3193 dnl ---------------------------------------------------------------------------
3194 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
3196 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
3197 dnl option if it is supported.
3198 AC_DEFUN([CF_PROG_LN_S],[
3200 AC_MSG_CHECKING(if $LN_S -f options work)
3202 rm -f conf$$.src conf$$dst
3204 echo first >conf$$.src
3205 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
3210 rm -f conf$$.dst conf$$src
3211 AC_MSG_RESULT($cf_prog_ln_sf)
3213 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
3215 dnl ---------------------------------------------------------------------------
3216 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
3217 dnl ----------------
3218 dnl Remove all -U and -D options that refer to the given symbol from a list
3219 dnl of C compiler options. This works around the problem that not all
3220 dnl compilers process -U and -D options from left-to-right, so a -U option
3221 dnl cannot be used to cancel the effect of a preceding -D option.
3223 dnl $1 = target (which could be the same as the source variable)
3224 dnl $2 = source (including '$')
3225 dnl $3 = symbol to remove
3226 define([CF_REMOVE_DEFINE],
3229 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
3230 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
3232 dnl ---------------------------------------------------------------------------
3233 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
3235 dnl Remove the given library from the symbol
3237 dnl $1 = target (which could be the same as the source variable)
3238 dnl $2 = source (including '$')
3239 dnl $3 = library to remove
3240 define([CF_REMOVE_LIB],
3242 # remove $3 library from $2
3243 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
3245 dnl ---------------------------------------------------------------------------
3246 dnl CF_SHARED_OPTS version: 93 updated: 2018/08/18 16:36:35
3249 dnl Attempt to determine the appropriate CC/LD options for creating a shared
3253 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
3254 dnl the build-tree, i.e., by making use of the libraries that are compiled in
3255 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
3256 dnl shared library since that can lead to unexpected results at runtime.
3257 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
3258 dnl libraries are compiled in ../../lib
3260 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
3261 dnl to install symbolic links to the rel/abi versions of shared libraries.
3263 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
3264 dnl version when making symbolic links.
3266 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
3267 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
3268 dnl (ex: libncurses.so.<ver>).
3270 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
3271 AC_DEFUN([CF_SHARED_OPTS],
3273 AC_REQUIRE([CF_LD_RPATH_OPT])
3279 INSTALL_LIB="-m 644"
3280 : ${rel_builddir:=.}
3288 cf_cv_do_symlinks=no
3290 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
3292 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
3293 AC_ARG_WITH(shlib-version,
3294 [ --with-shlib-version=X Specify rel or abi version for shared libs],
3295 [test -z "$withval" && withval=auto
3298 cf_cv_shlib_version=auto
3301 cf_cv_shlib_version=$withval
3304 AC_MSG_RESULT($withval)
3305 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
3308 ],[cf_cv_shlib_version=auto])
3309 AC_MSG_RESULT($cf_cv_shlib_version)
3314 # Some less-capable ports of gcc support only -fpic
3318 if test "$GCC" = yes
3322 case $cf_cv_system_name in
3323 (*linux*) # e.g., PGI compiler
3329 if test "$cf_try_fPIC" = yes
3331 AC_MSG_CHECKING(which $CC option to use)
3332 cf_save_CFLAGS="$CFLAGS"
3333 for CC_SHARED_OPTS in -fPIC -fpic ''
3335 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3336 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3338 AC_MSG_RESULT($CC_SHARED_OPTS)
3339 CFLAGS="$cf_save_CFLAGS"
3342 cf_cv_shlib_version_infix=no
3344 case $cf_cv_system_name in
3345 (aix4.[3-9]*|aix[[5-7]]*)
3346 if test "$GCC" = yes; then
3347 CC_SHARED_OPTS='-Wl,-brtl'
3348 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3350 CC_SHARED_OPTS='-brtl'
3351 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3352 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3356 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3360 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3361 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3362 cf_cv_shlib_version=cygdll
3363 cf_cv_shlib_version_infix=cygdll
3366 cat >mk_shared_lib.sh <<-CF_EOF
3369 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3372 Linking shared library
3373 ** SHARED_LIB \[$]SHARED_LIB
3374 ** IMPORT_LIB \[$]IMPORT_LIB
3376 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3378 chmod +x mk_shared_lib.sh
3382 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3383 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3384 cf_cv_shlib_version=msysdll
3385 cf_cv_shlib_version_infix=msysdll
3388 cat >mk_shared_lib.sh <<-CF_EOF
3391 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3394 Linking shared library
3395 ** SHARED_LIB \[$]SHARED_LIB
3396 ** IMPORT_LIB \[$]IMPORT_LIB
3398 exec \[$]* ${LDFLAGS} -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3400 chmod +x mk_shared_lib.sh
3403 cf_try_cflags="no-cpp-precomp"
3404 CC_SHARED_OPTS="-dynamic"
3405 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3406 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3407 cf_cv_shlib_version_infix=yes
3408 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3409 cf_save_LDFLAGS=$LDFLAGS
3410 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3411 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3412 LDFLAGS=$cf_save_LDFLAGS])
3413 if test $cf_cv_ldflags_search_paths_first = yes; then
3414 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3418 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3419 if test "$GCC" != yes; then
3422 MK_SHARED_LIB='${LD} ${LDFLAGS} -b -o $[@]'
3423 INSTALL_LIB="-m 555"
3426 # (tested with gcc 2.7.2 -- I don't have c89)
3427 if test "$GCC" = yes; then
3428 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3431 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3433 MK_SHARED_LIB='${LD} ${LDFLAGS} +b ${libdir} -b -o $[@]'
3434 # HP-UX shared libraries must be executable, and should be
3435 # readonly to exploit a quirk in the memory manager.
3436 INSTALL_LIB="-m 555"
3439 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3440 if test "$cf_cv_shlib_version" = rel; then
3441 cf_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3443 cf_shared_soname='`basename $[@]`'
3446 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $[@]'
3449 if test "$cf_cv_enable_rpath" = yes ; then
3450 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3452 # tested with IRIX 5.2 and 'cc'.
3453 if test "$GCC" != yes; then
3454 CC_SHARED_OPTS='-KPIC'
3455 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3457 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3459 cf_cv_rm_so_locs=yes
3461 (linux*|gnu*|k*bsd*-gnu)
3462 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3463 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3464 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3466 if test "$cf_cv_enable_rpath" = yes ; then
3467 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3470 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3473 cf_cv_shlib_version=mingw
3474 cf_cv_shlib_version_infix=mingw
3477 if test "$DFT_LWR_MODEL" = "shared" ; then
3478 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3479 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3480 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3483 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3484 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3485 cat >mk_shared_lib.sh <<-CF_EOF
3488 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3491 Linking shared library
3492 ** SHARED_LIB \[$]SHARED_LIB
3493 ** IMPORT_LIB \[$]IMPORT_LIB
3495 exec \[$]* ${LDFLAGS} -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3497 chmod +x mk_shared_lib.sh
3499 (openbsd[[2-9]].*|mirbsd*)
3500 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3501 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3502 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3504 if test "$cf_cv_enable_rpath" = yes ; then
3505 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3507 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3509 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3511 (nto-qnx*|openbsd*|freebsd[[12]].*)
3512 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3513 MK_SHARED_LIB='${LD} ${LDFLAGS} -Bshareable -o $[@]'
3514 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3516 (dragonfly*|freebsd*)
3517 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3518 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3519 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3520 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3521 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3524 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3527 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3528 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3529 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3530 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3531 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3532 if test "$cf_cv_shlib_version" = auto; then
3533 if test -f /usr/libexec/ld.elf_so; then
3534 cf_cv_shlib_version=abi
3536 cf_cv_shlib_version=rel
3540 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3542 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -Wl,-shared -Wl,-Bshareable -o $[@]'
3546 # tested with OSF/1 V3.2 and 'cc'
3547 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3548 # link with shared libs).
3549 MK_SHARED_LIB='${LD} ${LDFLAGS} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3552 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3555 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3556 if test "$DFT_LWR_MODEL" = "shared" && test -n "$LD_RPATH_OPT" ; then
3557 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3558 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3560 cf_cv_rm_so_locs=yes
3562 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3563 # tested with osr5.0.5
3564 if test "$GCC" != yes; then
3565 CC_SHARED_OPTS='-belf -KPIC'
3567 MK_SHARED_LIB='${LD} ${LDFLAGS} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3568 if test "$cf_cv_enable_rpath" = yes ; then
3569 # only way is to set LD_RUN_PATH but no switch for it
3572 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3573 LINK_PROGS='LD_RUN_PATH=${libdir}'
3574 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3577 # tested with SunOS 4.1.1 and gcc 2.7.0
3578 if test "$GCC" != yes; then
3579 CC_SHARED_OPTS='-KPIC'
3581 MK_SHARED_LIB='${LD} ${LDFLAGS} -assert pure-text -o $[@]'
3582 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3585 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3586 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3587 if test "$DFT_LWR_MODEL" = "shared" ; then
3588 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3589 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3591 if test "$cf_cv_enable_rpath" = yes ; then
3592 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3595 if test "$GCC" != yes; then
3596 cf_save_CFLAGS="$CFLAGS"
3597 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3599 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3600 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3602 CFLAGS="$cf_save_CFLAGS"
3603 CC_SHARED_OPTS=$cf_shared_opts
3604 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3606 MK_SHARED_LIB='${CC} ${LDFLAGS} ${CFLAGS} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3609 (sysv5uw7*|unix_sv*)
3610 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3611 if test "$GCC" != yes; then
3612 CC_SHARED_OPTS='-KPIC'
3614 MK_SHARED_LIB='${LD} ${LDFLAGS} -d y -G -o [$]@'
3617 CC_SHARED_OPTS='unknown'
3618 MK_SHARED_LIB='echo unknown'
3622 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3623 case "$cf_cv_shlib_version" in
3625 case "$MK_SHARED_LIB" in
3627 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3630 AC_MSG_WARN(ignored --with-shlib-version)
3636 if test -n "$cf_try_cflags"
3638 cat > conftest.$ac_ext <<EOF
3639 #line __oline__ "${as_me:-configure}"
3641 int main(int argc, char *argv[[]])
3644 return (argv[[argc-1]] == 0) ;
3647 cf_save_CFLAGS="$CFLAGS"
3648 for cf_opt in $cf_try_cflags
3650 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3651 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3652 if AC_TRY_EVAL(ac_compile); then
3654 cf_save_CFLAGS="$CFLAGS"
3659 CFLAGS="$cf_save_CFLAGS"
3663 # RPATH_LIST is a colon-separated list of directories
3664 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3665 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3667 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3669 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3670 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3672 AC_SUBST(CC_SHARED_OPTS)
3673 AC_SUBST(LD_RPATH_OPT)
3674 AC_SUBST(LD_SHARED_OPTS)
3675 AC_SUBST(MK_SHARED_LIB)
3676 AC_SUBST(RM_SHARED_OPTS)
3678 AC_SUBST(LINK_PROGS)
3679 AC_SUBST(LINK_TESTS)
3681 AC_SUBST(EXTRA_LDFLAGS)
3682 AC_SUBST(LOCAL_LDFLAGS)
3683 AC_SUBST(LOCAL_LDFLAGS2)
3685 AC_SUBST(INSTALL_LIB)
3686 AC_SUBST(RPATH_LIST)
3688 dnl ---------------------------------------------------------------------------
3689 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3690 dnl ----------------
3691 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3692 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3695 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3696 dnl If missing, use "rel".
3697 define([CF_SHARED_SONAME],
3699 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3700 if test "$cf_cv_shlib_version" = rel; then
3701 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3703 cf_cv_shared_soname='`basename $[@]`'
3706 dnl ---------------------------------------------------------------------------
3707 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3709 dnl Remove "-g" option from the compiler options
3710 AC_DEFUN([CF_STRIP_G_OPT],
3711 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3712 dnl ---------------------------------------------------------------------------
3713 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3715 dnl Construct a search-list for a nonstandard header/lib-file
3716 dnl $1 = the variable to return as result
3717 dnl $2 = the package name
3718 dnl $3 = the subdirectory, e.g., bin, include or lib
3719 AC_DEFUN([CF_SUBDIR_PATH],
3723 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3725 for cf_subdir_prefix in \
3733 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3736 dnl ---------------------------------------------------------------------------
3737 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3739 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3740 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3741 dnl but some packagers change this, breaking various applications.
3742 AC_DEFUN([CF_TERM_HEADER],[
3743 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3744 case ${cf_cv_ncurses_header} in
3745 (*/ncurses.h|*/ncursesw.h)
3746 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3749 cf_term_header=term.h
3753 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3755 AC_TRY_COMPILE([#include <stdio.h>
3756 #include <${cf_cv_ncurses_header:-curses.h}>
3758 ],[int x = auto_left_margin],[
3759 cf_cv_term_header="$cf_test"],[
3760 cf_cv_term_header=unknown
3762 test "$cf_cv_term_header" != unknown && break
3766 # Set definitions to allow ifdef'ing to accommodate subdirectories
3768 case $cf_cv_term_header in
3770 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3774 case $cf_cv_term_header in
3776 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3779 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3783 dnl ---------------------------------------------------------------------------
3784 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3786 dnl Define a top_builddir symbol, for applications that need an absolute path.
3787 AC_DEFUN([CF_TOP_BUILDDIR],
3789 top_builddir=ifelse($1,,`pwd`,$1)
3790 AC_SUBST(top_builddir)
3792 dnl ---------------------------------------------------------------------------
3793 dnl CF_TRY_XOPEN_SOURCE version: 2 updated: 2018/06/20 20:23:13
3794 dnl -------------------
3795 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3796 dnl can define it successfully.
3797 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3798 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3802 #include <sys/types.h>
3804 #ifndef _XOPEN_SOURCE
3807 [cf_cv_xopen_source=no],
3808 [cf_save="$CPPFLAGS"
3809 CF_APPEND_TEXT(CPPFLAGS,-D_XOPEN_SOURCE=$cf_XOPEN_SOURCE)
3813 #include <sys/types.h>
3815 #ifdef _XOPEN_SOURCE
3818 [cf_cv_xopen_source=no],
3819 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3824 if test "$cf_cv_xopen_source" != no ; then
3825 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3826 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3827 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3828 CF_ADD_CFLAGS($cf_temp_xopen_source)
3831 dnl ---------------------------------------------------------------------------
3832 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3834 dnl Make an uppercase version of a variable
3835 dnl $1=uppercase($2)
3836 AC_DEFUN([CF_UPPER],
3838 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3840 dnl ---------------------------------------------------------------------------
3841 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3843 dnl Check for multibyte support, and if not found, utf8 compatibility library
3844 AC_DEFUN([CF_UTF8_LIB],
3846 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3847 cf_save_LIBS="$LIBS"
3849 #include <stdlib.h>],[putwc(0,0);],
3850 [cf_cv_utf8_lib=yes],
3852 #include <libutf8.h>],[putwc(0,0);],utf8,
3853 [cf_cv_utf8_lib=add-on],
3854 [cf_cv_utf8_lib=no])
3857 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3859 if test "$cf_cv_utf8_lib" = "add-on" ; then
3860 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3861 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3862 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3863 CF_ADD_LIBS($cf_cv_library_file_utf8)
3866 dnl ---------------------------------------------------------------------------
3867 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3869 dnl Use AC_VERBOSE w/o the warnings
3870 AC_DEFUN([CF_VERBOSE],
3871 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3874 dnl ---------------------------------------------------------------------------
3875 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3877 dnl Check for compiler-support for weak symbols.
3878 dnl This works with "recent" gcc.
3879 AC_DEFUN([CF_WEAK_SYMBOLS],[
3880 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3883 #include <stdio.h>],
3885 #if defined(__GNUC__)
3886 # if defined __USE_ISOC99
3887 # define _cat_pragma(exp) _Pragma(#exp)
3888 # define _weak_pragma(exp) _cat_pragma(weak name)
3890 # define _weak_pragma(exp)
3892 # define _declare(name) __extension__ extern __typeof__(name) name
3893 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3897 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3900 dnl ---------------------------------------------------------------------------
3901 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3902 dnl --------------------
3903 dnl Command-line option to specify the Ada95 compiler.
3904 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3905 AC_MSG_CHECKING(for ada-compiler)
3906 AC_ARG_WITH(ada-compiler,
3907 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3908 [cf_ada_compiler=$withval],
3909 [cf_ada_compiler=gnatmake])
3910 AC_SUBST(cf_ada_compiler)
3911 AC_MSG_RESULT($cf_ada_compiler)
3913 dnl ---------------------------------------------------------------------------
3914 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3915 dnl -------------------
3916 dnl Command-line option to specify where Ada includes will install.
3917 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3918 AC_MSG_CHECKING(for ada-include)
3919 CF_WITH_PATH(ada-include,
3920 [ --with-ada-include=DIR Ada includes are in DIR],
3922 PREFIX/share/ada/adainclude,
3923 [$]prefix/share/ada/adainclude)
3924 AC_SUBST(ADA_INCLUDE)
3925 AC_MSG_RESULT($ADA_INCLUDE)
3927 dnl ---------------------------------------------------------------------------
3928 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3929 dnl -------------------
3930 dnl Command-line option to specify where Ada objects will install.
3931 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3932 AC_MSG_CHECKING(for ada-objects)
3933 CF_WITH_PATH(ada-objects,
3934 [ --with-ada-objects=DIR Ada objects are in DIR],
3936 PREFIX/lib/ada/adalib,
3937 [$]prefix/lib/ada/adalib)
3938 AC_SUBST(ADA_OBJECTS)
3939 AC_MSG_RESULT($ADA_OBJECTS)
3941 dnl ---------------------------------------------------------------------------
3942 dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
3943 dnl ---------------------
3944 dnl Command-line option to specify if an Ada95 shared-library should be built,
3945 dnl and optionally what its soname should be.
3946 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3947 AC_REQUIRE([CF_GNAT_PROJECTS])
3948 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3949 AC_ARG_WITH(ada-sharedlib,
3950 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3951 [with_ada_sharedlib=$withval],
3952 [with_ada_sharedlib=no])
3953 AC_MSG_RESULT($with_ada_sharedlib)
3955 if test "x$with_ada_sharedlib" != xno
3957 if test "x$cf_gnat_projects" != xyes
3959 AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
3960 with_ada_sharedlib=no
3964 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3965 MAKE_ADA_SHAREDLIB="#"
3967 if test "x$with_ada_sharedlib" != xno
3970 if test "x$with_ada_sharedlib" != xyes
3972 ADA_SHAREDLIB="$with_ada_sharedlib"
3976 AC_SUBST(ADA_SHAREDLIB)
3977 AC_SUBST(MAKE_ADA_SHAREDLIB)
3979 dnl ---------------------------------------------------------------------------
3980 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3981 dnl ------------------
3982 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3984 AC_DEFUN([CF_WITH_CURSES_DIR],[
3986 AC_MSG_CHECKING(for specific curses-directory)
3987 AC_ARG_WITH(curses-dir,
3988 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3989 [cf_cv_curses_dir=$withval],
3990 [cf_cv_curses_dir=no])
3991 AC_MSG_RESULT($cf_cv_curses_dir)
3993 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3995 CF_PATH_SYNTAX(withval)
3996 if test -d "$cf_cv_curses_dir"
3998 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3999 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
4003 dnl ---------------------------------------------------------------------------
4004 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
4005 dnl ------------------
4006 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
4007 dnl "lib" prefix, e.g., because it used the dll naming convention.
4009 dnl $1 = variable to set
4010 AC_DEFUN([CF_WITH_LIB_PREFIX],
4012 AC_MSG_CHECKING(if you want to have a library-prefix)
4013 AC_ARG_WITH(lib-prefix,
4014 [ --with-lib-prefix override library-prefix],
4015 [with_lib_prefix=$withval],
4016 [with_lib_prefix=auto])
4017 AC_MSG_RESULT($with_lib_prefix)
4019 if test $with_lib_prefix = auto
4022 elif test $with_lib_prefix = no
4026 LIB_PREFIX=$with_lib_prefix
4029 dnl ---------------------------------------------------------------------------
4030 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
4032 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
4033 dnl defaulting to yes/no.
4035 dnl $1 = option name
4037 dnl $3 = environment variable to set
4038 dnl $4 = default value, shown in the help-message, must be a constant
4039 dnl $5 = default value, if it's an expression & cannot be in the help-message
4041 AC_DEFUN([CF_WITH_PATH],
4042 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
4043 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
4044 if ifelse([$5],,true,[test -n "$5"]) ; then
4045 CF_PATH_SYNTAX(withval)
4050 dnl ---------------------------------------------------------------------------
4051 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
4052 dnl -------------------------
4053 dnl Allow the choice of the pkg-config library directory to be overridden.
4054 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
4058 AC_MSG_CHECKING(for pkg-config library directory)
4061 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
4065 PKG_CONFIG_LIBDIR=no
4066 AC_ARG_WITH(pkg-config-libdir,
4067 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
4068 [PKG_CONFIG_LIBDIR=$withval],
4069 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
4071 case x$PKG_CONFIG_LIBDIR in
4075 # Look for the library directory using the same prefix as the executable
4076 if test "x$PKG_CONFIG" = xnone
4080 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
4083 # If you don't like using the default architecture, you have to specify the
4084 # intended library directory and corresponding compiler/linker options.
4086 # This case allows for Debian's 2014-flavor of multiarch, along with the
4087 # most common variations before that point. Some other variants spell the
4088 # directory differently, e.g., "pkg-config", and put it in unusual places.
4089 # pkg-config has always been poorly standardized, which is ironic...
4090 case x`(arch) 2>/dev/null` in
4093 $cf_path/lib/*64-linux-gnu \
4101 $cf_path/lib/*-linux-gnu \
4110 for cf_config in $cf_search_path
4112 CF_VERBOSE(checking $cf_config/pkgconfig)
4113 if test -d $cf_config/pkgconfig
4115 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
4116 AC_MSG_CHECKING(done)
4125 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
4126 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
4129 AC_SUBST(PKG_CONFIG_LIBDIR)
4131 dnl ---------------------------------------------------------------------------
4132 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
4134 dnl Check for POSIX thread library.
4135 AC_DEFUN([CF_WITH_PTHREAD],
4137 AC_MSG_CHECKING(if you want to link with the pthread library)
4138 AC_ARG_WITH(pthread,
4139 [ --with-pthread use POSIX thread library],
4140 [with_pthread=$withval],
4142 AC_MSG_RESULT($with_pthread)
4144 if test "$with_pthread" != no ; then
4145 AC_CHECK_HEADER(pthread.h,[
4146 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
4148 for cf_lib_pthread in pthread c_r
4150 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
4151 cf_save_LIBS="$LIBS"
4152 CF_ADD_LIB($cf_lib_pthread)
4154 #include <pthread.h>
4156 int rc = pthread_create(0,0,0,0);
4157 int r2 = pthread_mutexattr_settype(0, 0);
4158 ],[with_pthread=yes],[with_pthread=no])
4159 LIBS="$cf_save_LIBS"
4160 AC_MSG_RESULT($with_pthread)
4161 test "$with_pthread" = yes && break
4164 if test "$with_pthread" = yes ; then
4165 CF_ADD_LIB($cf_lib_pthread)
4166 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
4168 AC_MSG_ERROR(Cannot link with pthread library)
4173 dnl ---------------------------------------------------------------------------
4174 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
4176 dnl For testing, override the derived host system-type which is used to decide
4177 dnl things such as the linker commands used to build shared libraries. This is
4178 dnl normally chosen automatically based on the type of system which you are
4179 dnl building on. We use it for testing the configure script.
4181 dnl This is different from the --host option: it is used only for testing parts
4182 dnl of the configure script which would not be reachable with --host since that
4183 dnl relies on the build environment being real, rather than mocked up.
4184 AC_DEFUN([CF_WITH_SYSTYPE],[
4185 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
4186 AC_ARG_WITH(system-type,
4187 [ --with-system-type=XXX test: override derived host system-type],
4188 [AC_MSG_WARN(overriding system type to $withval)
4189 cf_cv_system_name=$withval
4193 dnl ---------------------------------------------------------------------------
4194 dnl CF_XOPEN_SOURCE version: 55 updated: 2018/12/31 20:46:17
4196 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
4197 dnl or adapt to the vendor's definitions to get equivalent functionality,
4198 dnl without losing the common non-POSIX features.
4201 dnl $1 is the nominal value for _XOPEN_SOURCE
4202 dnl $2 is the nominal value for _POSIX_C_SOURCE
4203 AC_DEFUN([CF_XOPEN_SOURCE],[
4204 AC_REQUIRE([AC_CANONICAL_HOST])
4205 AC_REQUIRE([CF_POSIX_VISIBLE])
4207 if test "$cf_cv_posix_visible" = no; then
4209 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
4210 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
4215 cf_xopen_source="-D_ALL_SOURCE"
4221 cf_xopen_source="-D_APPLE_C_SOURCE"
4224 cf_xopen_source="-D_DARWIN_C_SOURCE"
4227 (freebsd*|dragonfly*|midnightbsd*)
4228 # 5.x headers associate
4229 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
4230 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
4231 cf_POSIX_C_SOURCE=200112L
4233 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
4236 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
4239 cf_xopen_source="-D_HPUX_SOURCE"
4242 cf_xopen_source="-D_SGI_SOURCE"
4245 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
4246 CF_GNU_SOURCE($cf_XOPEN_SOURCE)
4249 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
4252 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
4254 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4257 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
4260 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
4261 cf_xopen_source="-D_BSD_SOURCE"
4265 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
4268 cf_xopen_source="-D_OSF_SOURCE"
4271 cf_xopen_source="-D_QNX_SOURCE"
4274 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
4277 cf_xopen_source="-D__EXTENSIONS__"
4278 cf_cv_xopen_source=broken
4280 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
4286 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
4290 if test -n "$cf_xopen_source" ; then
4291 CF_ADD_CFLAGS($cf_xopen_source,true)
4294 dnl In anything but the default case, we may have system-specific setting
4295 dnl which is still not guaranteed to provide all of the entrypoints that
4296 dnl _XOPEN_SOURCE would yield.
4297 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
4298 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
4299 AC_TRY_COMPILE([#include <stdlib.h>],[
4300 #ifndef _XOPEN_SOURCE
4303 [cf_XOPEN_SOURCE_set=yes],
4304 [cf_XOPEN_SOURCE_set=no])
4305 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
4306 if test $cf_XOPEN_SOURCE_set = yes
4308 AC_TRY_COMPILE([#include <stdlib.h>],[
4309 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
4312 [cf_XOPEN_SOURCE_set_ok=yes],
4313 [cf_XOPEN_SOURCE_set_ok=no])
4314 if test $cf_XOPEN_SOURCE_set_ok = no
4316 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)
4322 fi # cf_cv_posix_visible