1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2016,2017 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. *
23 dnl Except as contained in this notice, the name(s) of the above copyright *
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 1.117 2017/01/21 22:20:17 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 http://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: 12 updated: 2015/04/12 15:39:00
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 $cf_fix_cppflags = yes ; then
130 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
132 elif test "${cf_tst_cflags}" = "\"'" ; then
133 cf_new_extra_cppflags="$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_new_cppflags="$cf_new_cppflags $cf_add_cflags"
153 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
158 cf_new_extra_cppflags="$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 $cf_new_cflags)])
171 CFLAGS="$CFLAGS $cf_new_cflags"
174 if test -n "$cf_new_cppflags" ; then
175 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
176 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
179 if test -n "$cf_new_extra_cppflags" ; then
180 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
181 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
184 AC_SUBST(EXTRA_CPPFLAGS)
187 dnl ---------------------------------------------------------------------------
188 dnl CF_ADD_INCDIR version: 14 updated: 2015/05/25 20:53:04
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 CPPFLAGS="$CPPFLAGS -I$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_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
341 dnl Allow user to disable a normally-on option.
342 AC_DEFUN([CF_ARG_DISABLE],
343 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
344 dnl ---------------------------------------------------------------------------
345 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
347 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
353 dnl $3 = action to perform if option is not default
354 dnl $4 = action if perform if option is default
355 dnl $5 = default option value (either 'yes' or 'no')
356 AC_DEFUN([CF_ARG_OPTION],
357 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
358 if test "$enableval" != "$5" ; then
360 ,[ $3]) ifelse([$4],,,[
363 fi],[enableval=$5 ifelse([$4],,,[
367 dnl ---------------------------------------------------------------------------
368 dnl CF_AR_FLAGS version: 6 updated: 2015/10/10 15:25:05
370 dnl Check for suitable "ar" (archiver) options for updating an archive.
372 dnl In particular, handle some obsolete cases where the "-" might be omitted,
373 dnl as well as a workaround for breakage of make's archive rules by the GNU
374 dnl binutils "ar" program.
375 AC_DEFUN([CF_AR_FLAGS],[
376 AC_REQUIRE([CF_PROG_AR])
378 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
379 cf_cv_ar_flags=unknown
380 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
383 # check if $ARFLAGS already contains this choice
384 if test "x$ARFLAGS" != "x" ; then
385 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
386 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
392 rm -f conftest.$ac_cv_objext
395 cat >conftest.$ac_ext <<EOF
396 #line __oline__ "configure"
397 int testdata[[3]] = { 123, 456, 789 };
399 if AC_TRY_EVAL(ac_compile) ; then
400 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
401 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
402 if test -f conftest.a ; then
403 cf_cv_ar_flags=$cf_ar_flags
407 CF_VERBOSE(cannot compile test-program)
411 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
414 if test -n "$ARFLAGS" ; then
415 if test -n "$cf_cv_ar_flags" ; then
416 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
419 ARFLAGS=$cf_cv_ar_flags
424 dnl ---------------------------------------------------------------------------
425 dnl CF_BUILD_CC version: 7 updated: 2012/10/06 15:31:55
427 dnl If we're cross-compiling, allow the user to override the tools and their
428 dnl options. The configure script is oriented toward identifying the host
429 dnl compiler, etc., but we need a build compiler to generate parts of the
432 dnl $1 = default for $CPPFLAGS
433 dnl $2 = default for $LIBS
434 AC_DEFUN([CF_BUILD_CC],[
435 CF_ACVERSION_CHECK(2.52,,
436 [AC_REQUIRE([CF_PROG_EXT])])
437 if test "$cross_compiling" = yes ; then
439 # defaults that we might want to override
440 : ${BUILD_CFLAGS:=''}
441 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
442 : ${BUILD_LDFLAGS:=''}
443 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
444 : ${BUILD_EXEEXT:='$x'}
445 : ${BUILD_OBJEXT:='o'}
447 AC_ARG_WITH(build-cc,
448 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
449 [BUILD_CC="$withval"],
450 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
451 AC_MSG_CHECKING(for native build C compiler)
452 AC_MSG_RESULT($BUILD_CC)
454 AC_MSG_CHECKING(for native build C preprocessor)
455 AC_ARG_WITH(build-cpp,
456 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
457 [BUILD_CPP="$withval"],
458 [BUILD_CPP='${BUILD_CC} -E'])
459 AC_MSG_RESULT($BUILD_CPP)
461 AC_MSG_CHECKING(for native build C flags)
462 AC_ARG_WITH(build-cflags,
463 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
464 [BUILD_CFLAGS="$withval"])
465 AC_MSG_RESULT($BUILD_CFLAGS)
467 AC_MSG_CHECKING(for native build C preprocessor-flags)
468 AC_ARG_WITH(build-cppflags,
469 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
470 [BUILD_CPPFLAGS="$withval"])
471 AC_MSG_RESULT($BUILD_CPPFLAGS)
473 AC_MSG_CHECKING(for native build linker-flags)
474 AC_ARG_WITH(build-ldflags,
475 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
476 [BUILD_LDFLAGS="$withval"])
477 AC_MSG_RESULT($BUILD_LDFLAGS)
479 AC_MSG_CHECKING(for native build linker-libraries)
480 AC_ARG_WITH(build-libs,
481 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
482 [BUILD_LIBS="$withval"])
483 AC_MSG_RESULT($BUILD_LIBS)
485 # this assumes we're on Unix.
489 : ${BUILD_CC:='${CC}'}
491 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
492 AC_MSG_ERROR([Cross-build requires two compilers.
493 Use --with-build-cc to specify the native compiler.])
497 : ${BUILD_CC:='${CC}'}
498 : ${BUILD_CPP:='${CPP}'}
499 : ${BUILD_CFLAGS:='${CFLAGS}'}
500 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
501 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
502 : ${BUILD_LIBS:='${LIBS}'}
503 : ${BUILD_EXEEXT:='$x'}
504 : ${BUILD_OBJEXT:='o'}
509 AC_SUBST(BUILD_CFLAGS)
510 AC_SUBST(BUILD_CPPFLAGS)
511 AC_SUBST(BUILD_LDFLAGS)
513 AC_SUBST(BUILD_EXEEXT)
514 AC_SUBST(BUILD_OBJEXT)
516 dnl ---------------------------------------------------------------------------
517 dnl CF_CC_ENV_FLAGS version: 6 updated: 2016/08/29 20:57:00
519 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
520 dnl into CC. This will not help with broken scripts that wrap the compiler
521 dnl with options, but eliminates a more common category of user confusion.
523 dnl In particular, it addresses the problem of being able to run the C
524 dnl preprocessor in a consistent manner.
526 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
527 dnl the nuisance of having inconsistent settings for compiler and preprocessor
528 dnl outweighs that limitation.
529 AC_DEFUN([CF_CC_ENV_FLAGS],
531 # This should have been defined by AC_PROG_CC
534 AC_MSG_CHECKING(\$CC variable)
537 AC_MSG_RESULT(broken)
538 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
540 cf_flags=`echo "$CC" | sed -e 's/^.*[[ ]]\(-[[^ ]]\)/\1/'`
541 CC=`echo "$CC " | sed -e 's/[[ ]]-[[^ ]].*$//' -e 's/[[ ]]*$//'`
542 for cf_arg in $cf_flags
546 CF_ADD_CFLAGS($cf_flags)
553 CF_VERBOSE(resulting CC: '$CC')
554 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
555 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
562 dnl ---------------------------------------------------------------------------
563 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
565 dnl Determine the default configuration into which we'll install ncurses. This
566 dnl can be overridden by the user's command-line options. There's two items to
568 dnl 1. the prefix (e.g., /usr)
569 dnl 2. the header files (e.g., /usr/include/ncurses)
570 dnl We'll look for a previous installation of ncurses and use the same defaults.
572 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
573 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
574 dnl programs from a vendor's.
575 AC_DEFUN([CF_CFG_DEFAULTS],
577 AC_MSG_CHECKING(for prefix)
578 if test "x$prefix" = "xNONE" ; then
579 case "$cf_cv_system_name" in
580 # non-vendor systems don't have a conflict
581 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
584 (*) prefix=$ac_default_prefix
588 AC_MSG_RESULT($prefix)
590 if test "x$prefix" = "xNONE" ; then
591 AC_MSG_CHECKING(for default include-directory)
592 test -n "$verbose" && echo 1>&AC_FD_MSG
595 $includedir/ncurses \
597 $prefix/include/ncurses \
599 /usr/local/include/ncurses \
603 cf_dir=`eval echo $cf_symbol`
604 if test -f $cf_dir/curses.h ; then
605 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
606 includedir="$cf_symbol"
607 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
611 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
613 AC_MSG_RESULT($includedir)
616 dnl ---------------------------------------------------------------------------
617 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
619 dnl Check if we're accidentally using a cache from a different machine.
620 dnl Derive the system name, as a check for reusing the autoconf cache.
622 dnl If we've packaged config.guess and config.sub, run that (since it does a
623 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
624 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
625 dnl which is useful in cross-compiles.
627 dnl Note: we would use $ac_config_sub, but that is one of the places where
628 dnl autoconf 2.5x broke compatibility with autoconf 2.13
629 AC_DEFUN([CF_CHECK_CACHE],
631 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
632 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
633 system_name="$host_os"
635 system_name="`(uname -s -r) 2>/dev/null`"
636 if test -z "$system_name" ; then
637 system_name="`(hostname) 2>/dev/null`"
640 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
641 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
643 test -z "$system_name" && system_name="$cf_cv_system_name"
644 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
646 if test ".$system_name" != ".$cf_cv_system_name" ; then
647 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
648 AC_MSG_ERROR("Please remove config.cache and try again.")
651 dnl ---------------------------------------------------------------------------
652 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
653 dnl -----------------
654 dnl Check if the given compiler is really clang. clang's C driver defines
655 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
656 dnl not ignore some gcc options.
658 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
659 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
660 dnl the wrappers for gcc and g++ warnings.
662 dnl $1 = GCC (default) or GXX
663 dnl $2 = CLANG_COMPILER (default)
664 dnl $3 = CFLAGS (default) or CXXFLAGS
665 AC_DEFUN([CF_CLANG_COMPILER],[
666 ifelse([$2],,CLANG_COMPILER,[$2])=no
668 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
669 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
670 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
671 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
677 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
678 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
680 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
681 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
684 dnl ---------------------------------------------------------------------------
685 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
687 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
688 dnl variations of ncurses' installs.
690 dnl $1 = ncurses when looking for ncurses, or is empty
691 AC_DEFUN([CF_CURSES_HEADER],[
692 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
693 cf_cv_ncurses_header=none
695 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
696 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
698 AC_TRY_COMPILE([#include <${cf_header}>],
699 [initscr(); tgoto("?", 0,0)],
700 [cf_cv_ncurses_header=$cf_header; break],[])
704 if test "$cf_cv_ncurses_header" = none ; then
705 AC_MSG_ERROR(No curses header-files found)
708 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
709 AC_CHECK_HEADERS($cf_cv_ncurses_header)
711 dnl ---------------------------------------------------------------------------
712 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
714 dnl "dirname" is not portable, so we fake it with a shell script.
715 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
716 dnl ---------------------------------------------------------------------------
717 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
719 dnl You can always use "make -n" to see the actual options, but it's hard to
720 dnl pick out/analyze warning messages when the compile-line is long.
723 dnl ECHO_LT - symbol to control if libtool is verbose
724 dnl ECHO_LD - symbol to prefix "cc -o" lines
725 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
726 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
727 dnl ECHO_CC - symbol to put before any "cc" line
729 AC_DEFUN([CF_DISABLE_ECHO],[
730 AC_MSG_CHECKING(if you want to see long compiling messages)
732 [ --disable-echo do not display "compiling" commands],
735 ECHO_LD='@echo linking [$]@;'
736 RULE_CC='@echo compiling [$]<'
737 SHOW_CC='@echo compiling [$]@'
746 AC_MSG_RESULT($enableval)
753 dnl ---------------------------------------------------------------------------
754 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
755 dnl ------------------------
756 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
757 AC_MSG_CHECKING(if we want to use GNAT projects)
758 CF_ARG_DISABLE(gnat-projects,
759 [ --disable-gnat-projects test: disable GNAT projects even if usable],
760 [enable_gnat_projects=no],
761 [enable_gnat_projects=yes])
762 AC_MSG_RESULT($enable_gnat_projects)
764 dnl ---------------------------------------------------------------------------
765 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
767 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
768 dnl prefer a standard location, and use -L options only if we do not find the
769 dnl library in the standard library location(s).
770 dnl $1 = library name
771 dnl $2 = library class, usually the same as library name
773 dnl $4 = code fragment to compile/link
774 dnl $5 = corresponding function-name
775 dnl $6 = flag, nonnull if failure should not cause an error-exit
777 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
778 dnl to use a -L option.
779 AC_DEFUN([CF_FIND_LIBRARY],
781 eval 'cf_cv_have_lib_'$1'=no'
784 eval 'cf_cv_have_lib_'$1'=yes',[
786 AC_MSG_CHECKING(for $5 in -l$1)
788 AC_TRY_LINK([$3],[$4],
790 eval 'cf_cv_have_lib_'$1'=yes'
793 CF_LIBRARY_PATH(cf_search,$2)
794 for cf_libdir in $cf_search
796 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
797 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
798 AC_TRY_LINK([$3],[$4],
800 eval 'cf_cv_have_lib_'$1'=yes'
803 LIBS="$cf_save_LIBS"])
807 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
809 if test $cf_found_library = no ; then
810 AC_MSG_ERROR(Cannot link $1 library)
814 dnl ---------------------------------------------------------------------------
815 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
817 dnl Find a library (specifically the linkage used in the code fragment),
818 dnl searching for it if it is not already in the library path.
819 dnl See also CF_ADD_SEARCHPATH.
821 dnl Parameters (4-on are optional):
822 dnl $1 = headers for library entrypoint
823 dnl $2 = code fragment for library entrypoint
824 dnl $3 = the library name without the "-l" option or ".so" suffix.
825 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
826 dnl $5 = action to perform if not successful
827 dnl $6 = module name, if not the same as the library name
828 dnl $7 = extra libraries
830 dnl Sets these variables:
831 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
832 dnl $cf_cv_header_path_$3 - include-directory if needed
833 dnl $cf_cv_library_path_$3 - library-directory if needed
834 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
835 AC_DEFUN([CF_FIND_LINKAGE],[
837 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
838 # will be set on completion of the AC_TRY_LINK below.
839 cf_cv_header_path_$3=
840 cf_cv_library_path_$3=
842 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
846 AC_TRY_LINK([$1],[$2],[
847 cf_cv_find_linkage_$3=yes
848 cf_cv_header_path_$3=/usr/include
849 cf_cv_library_path_$3=/usr/lib
852 LIBS="-l$3 $7 $cf_save_LIBS"
854 AC_TRY_LINK([$1],[$2],[
855 cf_cv_find_linkage_$3=yes
856 cf_cv_header_path_$3=/usr/include
857 cf_cv_library_path_$3=/usr/lib
858 cf_cv_library_file_$3="-l$3"
860 cf_cv_find_linkage_$3=no
863 CF_VERBOSE(find linkage for $3 library)
864 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
866 cf_save_CPPFLAGS="$CPPFLAGS"
867 cf_test_CPPFLAGS="$CPPFLAGS"
869 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
870 for cf_cv_header_path_$3 in $cf_search
872 if test -d $cf_cv_header_path_$3 ; then
873 CF_VERBOSE(... testing $cf_cv_header_path_$3)
874 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
875 AC_TRY_COMPILE([$1],[$2],[
876 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
877 cf_cv_find_linkage_$3=maybe
878 cf_test_CPPFLAGS="$CPPFLAGS"
880 CPPFLAGS="$cf_save_CPPFLAGS"
885 if test "$cf_cv_find_linkage_$3" = maybe ; then
887 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
890 cf_save_LDFLAGS="$LDFLAGS"
893 CPPFLAGS="$cf_test_CPPFLAGS"
894 LIBS="-l$3 $7 $cf_save_LIBS"
895 AC_TRY_LINK([$1],[$2],[
896 CF_VERBOSE(... found $3 library in system)
897 cf_cv_find_linkage_$3=yes])
898 CPPFLAGS="$cf_save_CPPFLAGS"
902 if test "$cf_cv_find_linkage_$3" != yes ; then
903 CF_LIBRARY_PATH(cf_search,$3)
904 for cf_cv_library_path_$3 in $cf_search
906 if test -d $cf_cv_library_path_$3 ; then
907 CF_VERBOSE(... testing $cf_cv_library_path_$3)
908 CPPFLAGS="$cf_test_CPPFLAGS"
909 LIBS="-l$3 $7 $cf_save_LIBS"
910 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
911 AC_TRY_LINK([$1],[$2],[
912 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
913 cf_cv_find_linkage_$3=yes
914 cf_cv_library_file_$3="-l$3"
916 CPPFLAGS="$cf_save_CPPFLAGS"
918 LDFLAGS="$cf_save_LDFLAGS"
922 CPPFLAGS="$cf_save_CPPFLAGS"
923 LDFLAGS="$cf_save_LDFLAGS"
927 cf_cv_find_linkage_$3=no
934 if test "$cf_cv_find_linkage_$3" = yes ; then
936 CF_ADD_INCDIR($cf_cv_header_path_$3)
937 CF_ADD_LIBDIR($cf_cv_library_path_$3)
941 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
944 dnl ---------------------------------------------------------------------------
945 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
946 dnl -----------------
947 dnl make ADAFLAGS consistent with CFLAGS
948 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
949 AC_MSG_CHECKING(optimization options for ADAFLAGS)
957 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
958 CF_ADD_ADAFLAGS($cf_O_flag)
961 AC_MSG_RESULT($ADAFLAGS)
963 dnl ---------------------------------------------------------------------------
964 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
965 dnl -----------------
966 dnl Test for availability of useful gcc __attribute__ directives to quiet
967 dnl compiler warnings. Though useful, not all are supported -- and contrary
968 dnl to documentation, unrecognized directives cause older compilers to barf.
969 AC_DEFUN([CF_GCC_ATTRIBUTES],
973 cat > conftest.i <<EOF
981 #define GCC_NORETURN /* nothing */
984 #define GCC_UNUSED /* nothing */
989 AC_CHECKING([for $CC __attribute__ directives])
990 cat > conftest.$ac_ext <<EOF
991 #line __oline__ "${as_me:-configure}"
992 #include "confdefs.h"
993 #include "conftest.h"
994 #include "conftest.i"
996 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
998 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1001 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1003 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1005 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1006 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1007 extern void foo(void) GCC_NORETURN;
1008 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1010 cf_printf_attribute=no
1011 cf_scanf_attribute=no
1012 for cf_attribute in scanf printf unused noreturn
1014 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1015 cf_directive="__attribute__(($cf_attribute))"
1016 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1018 case $cf_attribute in
1020 cf_printf_attribute=yes
1021 cat >conftest.h <<EOF
1022 #define GCC_$cf_ATTRIBUTE 1
1026 cf_scanf_attribute=yes
1027 cat >conftest.h <<EOF
1028 #define GCC_$cf_ATTRIBUTE 1
1032 cat >conftest.h <<EOF
1033 #define GCC_$cf_ATTRIBUTE $cf_directive
1038 if AC_TRY_EVAL(ac_compile); then
1039 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1040 cat conftest.h >>confdefs.h
1041 case $cf_attribute in
1043 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1046 cf_value='/* nothing */'
1047 if test "$cf_printf_attribute" != no ; then
1048 cf_value='__attribute__((format(printf,fmt,var)))'
1049 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1051 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1054 cf_value='/* nothing */'
1055 if test "$cf_scanf_attribute" != no ; then
1056 cf_value='__attribute__((format(scanf,fmt,var)))'
1057 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1059 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1062 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1068 fgrep define conftest.i >>confdefs.h
1073 dnl ---------------------------------------------------------------------------
1074 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1076 dnl Find version of gcc
1077 AC_DEFUN([CF_GCC_VERSION],[
1078 AC_REQUIRE([AC_PROG_CC])
1080 if test "$GCC" = yes ; then
1081 AC_MSG_CHECKING(version of $CC)
1082 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1083 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1084 AC_MSG_RESULT($GCC_VERSION)
1087 dnl ---------------------------------------------------------------------------
1088 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1090 dnl Check if the compiler supports useful warning options. There's a few that
1091 dnl we don't use, simply because they're too noisy:
1093 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1094 dnl -Wredundant-decls (system headers make this too noisy)
1095 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1096 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1097 dnl is enabled for ncurses using "--enable-const".
1101 dnl $1 is an optional list of gcc warning flags that a particular
1102 dnl application might want to use, e.g., "no-unused" for
1105 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1107 AC_DEFUN([CF_GCC_WARNINGS],
1109 AC_REQUIRE([CF_GCC_VERSION])
1110 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1111 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1113 cat > conftest.$ac_ext <<EOF
1114 #line __oline__ "${as_me:-configure}"
1115 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1118 if test "$INTEL_COMPILER" = yes
1120 # The "-wdXXX" options suppress warnings:
1121 # remark #1419: external declaration in primary source file
1122 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1123 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1124 # remark #193: zero used for undefined preprocessing identifier
1125 # remark #593: variable "curs_sb_left_arrow" was set but never used
1126 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1127 # remark #869: parameter "tw" was never referenced
1128 # remark #981: operands are evaluated in unspecified order
1129 # warning #279: controlling expression is constant
1131 AC_CHECKING([for $CC warning options])
1132 cf_save_CFLAGS="$CFLAGS"
1133 EXTRA_CFLAGS="-Wall"
1145 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1146 if AC_TRY_EVAL(ac_compile); then
1147 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1148 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1151 CFLAGS="$cf_save_CFLAGS"
1153 elif test "$GCC" = yes
1155 AC_CHECKING([for $CC warning options])
1156 cf_save_CFLAGS="$CFLAGS"
1159 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1160 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1161 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1162 for cf_opt in W Wall \
1163 Wbad-function-cast \
1166 Wdeclaration-after-statement \
1169 Wmissing-declarations \
1170 Wmissing-prototypes \
1174 Wstrict-prototypes \
1175 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1177 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1178 if AC_TRY_EVAL(ac_compile); then
1179 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1182 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1185 case $GCC_VERSION in
1187 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1192 case $GCC_VERSION in
1194 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1199 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1202 CFLAGS="$cf_save_CFLAGS"
1206 AC_SUBST(EXTRA_CFLAGS)
1208 dnl ---------------------------------------------------------------------------
1209 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1210 dnl -----------------
1211 AC_DEFUN([CF_GNATPREP_OPT_T],[
1212 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1213 cf_cv_gnatprep_opt_t=no
1214 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1216 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1217 AC_SUBST(GNATPREP_OPTS)
1219 dnl ---------------------------------------------------------------------------
1220 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1221 dnl ----------------
1222 AC_DEFUN([CF_GNAT_GENERICS],
1224 AC_REQUIRE([CF_GNAT_VERSION])
1226 AC_MSG_CHECKING(if GNAT supports generics)
1227 case $cf_gnat_version in
1228 (3.[[1-9]]*|[[4-9]].*)
1229 cf_gnat_generics=yes
1235 AC_MSG_RESULT($cf_gnat_generics)
1237 if test "$cf_gnat_generics" = yes
1239 cf_compile_generics=generics
1240 cf_generic_objects="\${GENOBJS}"
1242 cf_compile_generics=
1246 AC_SUBST(cf_compile_generics)
1247 AC_SUBST(cf_generic_objects)
1249 dnl ---------------------------------------------------------------------------
1250 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
1251 dnl ----------------
1252 dnl GNAT projects are configured with ".gpr" project files.
1253 dnl GNAT libraries are a further development, using the project feature.
1254 AC_DEFUN([CF_GNAT_PROJECTS],
1256 AC_REQUIRE([CF_GNAT_VERSION])
1257 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1259 cf_gnat_libraries=no
1262 if test "$enable_gnat_projects" != no ; then
1263 AC_MSG_CHECKING(if GNAT supports project files)
1264 case $cf_gnat_version in
1268 case $cf_cv_system_name in
1272 mkdir conftest.src conftest.bin conftest.lib
1274 rm -rf conftest* *~conftest*
1275 cat >>library.gpr <<CF_EOF
1277 Kind := External ("LIB_KIND");
1278 for Library_Name use "ConfTest";
1279 for Object_Dir use ".";
1280 for Library_ALI_Dir use External("LIBRARY_DIR");
1281 for Library_Version use External ("SONAME");
1282 for Library_Kind use Kind;
1283 for Library_Dir use External("BUILD_DIR");
1284 Source_Dir := External ("SOURCE_DIR");
1285 for Source_Dirs use (Source_Dir);
1288 cat >>confpackage.ads <<CF_EOF
1289 package ConfPackage is
1293 cat >>confpackage.adb <<CF_EOF
1295 package body ConfPackage is
1296 procedure conftest is
1298 Text_IO.Put ("Hello World");
1303 if ( $cf_ada_make $ADAFLAGS \
1305 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1306 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1307 -XSOURCE_DIR=`pwd` \
1308 -XSONAME=libConfTest.so.1 \
1309 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1310 cf_gnat_projects=yes
1313 if test -f conftest.lib/confpackage.ali
1315 cf_gnat_libraries=yes
1317 rm -rf conftest* *~conftest*
1322 AC_MSG_RESULT($cf_gnat_projects)
1323 fi # enable_gnat_projects
1325 if test $cf_gnat_projects = yes
1327 AC_MSG_CHECKING(if GNAT supports libraries)
1328 AC_MSG_RESULT($cf_gnat_libraries)
1331 if test "$cf_gnat_projects" = yes
1333 USE_OLD_MAKERULES="#"
1334 USE_GNAT_PROJECTS=""
1336 USE_OLD_MAKERULES=""
1337 USE_GNAT_PROJECTS="#"
1340 if test "$cf_gnat_libraries" = yes
1342 USE_GNAT_LIBRARIES=""
1344 USE_GNAT_LIBRARIES="#"
1347 AC_SUBST(USE_OLD_MAKERULES)
1348 AC_SUBST(USE_GNAT_PROJECTS)
1349 AC_SUBST(USE_GNAT_LIBRARIES)
1351 dnl ---------------------------------------------------------------------------
1352 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1354 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1355 dnl is noted that gnat may compile a tasking unit even for configurations which
1356 dnl fail at runtime.
1357 AC_DEFUN([CF_GNAT_SIGINT],[
1358 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1359 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1363 pragma Warnings (Off); -- the next pragma exists since 3.11p
1364 pragma Unreserve_All_Interrupts;
1365 pragma Warnings (On);
1367 protected Process is
1369 function Continue return Boolean;
1370 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1372 Done : Boolean := False;
1376 [package body ConfTest is
1377 protected body Process is
1382 function Continue return Boolean is
1388 [cf_cv_gnat_sigint=yes],
1389 [cf_cv_gnat_sigint=no])])
1391 if test $cf_cv_gnat_sigint = yes ; then
1396 AC_SUBST(USE_GNAT_SIGINT)
1398 dnl ---------------------------------------------------------------------------
1399 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1400 dnl ----------------
1401 dnl Verify that a test program compiles/links with GNAT.
1402 dnl $cf_ada_make is set to the program that compiles/links
1403 dnl $ADAFLAGS may be set to the GNAT flags.
1405 dnl $1 is the text of the spec
1406 dnl $2 is the text of the body
1407 dnl $3 is the shell command to execute if successful
1408 dnl $4 is the shell command to execute if not successful
1409 AC_DEFUN([CF_GNAT_TRY_LINK],
1411 rm -rf conftest* *~conftest*
1412 cat >>conftest.ads <<CF_EOF
1415 cat >>conftest.adb <<CF_EOF
1418 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1419 ifelse($3,, :,[ $3])
1423 rm -rf conftest* *~conftest*
1425 dnl ---------------------------------------------------------------------------
1426 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1428 dnl Verify that a test program compiles and runs with GNAT
1429 dnl $cf_ada_make is set to the program that compiles/links
1430 dnl $ADAFLAGS may be set to the GNAT flags.
1432 dnl $1 is the text of the spec
1433 dnl $2 is the text of the body
1434 dnl $3 is the shell command to execute if successful
1435 dnl $4 is the shell command to execute if not successful
1436 AC_DEFUN([CF_GNAT_TRY_RUN],
1438 rm -rf conftest* *~conftest*
1439 cat >>conftest.ads <<CF_EOF
1442 cat >>conftest.adb <<CF_EOF
1445 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1446 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1447 ifelse($3,, :,[ $3])
1454 rm -rf conftest* *~conftest*
1456 dnl ---------------------------------------------------------------------------
1457 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1459 dnl Verify version of GNAT.
1460 AC_DEFUN([CF_GNAT_VERSION],
1462 AC_MSG_CHECKING(for gnat version)
1463 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1464 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1465 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1466 AC_MSG_RESULT($cf_gnat_version)
1468 case $cf_gnat_version in
1469 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1470 cf_cv_prog_gnat_correct=yes
1473 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1474 cf_cv_prog_gnat_correct=no
1478 dnl ---------------------------------------------------------------------------
1479 dnl CF_GNU_SOURCE version: 7 updated: 2016/08/05 05:15:37
1481 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1482 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1483 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1484 dnl since it is interwoven with GNU extensions.
1486 dnl Well, yes we could work around it...
1487 AC_DEFUN([CF_GNU_SOURCE],
1489 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1490 AC_TRY_COMPILE([#include <sys/types.h>],[
1491 #ifndef _XOPEN_SOURCE
1494 [cf_cv_gnu_source=no],
1495 [cf_save="$CPPFLAGS"
1496 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1497 AC_TRY_COMPILE([#include <sys/types.h>],[
1498 #ifdef _XOPEN_SOURCE
1501 [cf_cv_gnu_source=no],
1502 [cf_cv_gnu_source=yes])
1507 if test "$cf_cv_gnu_source" = yes
1509 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
1510 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1511 AC_TRY_COMPILE([#include <sys/types.h>],[
1512 #ifdef _DEFAULT_SOURCE
1515 [cf_cv_default_source=no],
1516 [cf_cv_default_source=yes])
1518 test "$cf_cv_default_source" = yes && CPPFLAGS="$CPPFLAGS -D_DEFAULT_SOURCE"
1521 dnl ---------------------------------------------------------------------------
1522 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1524 dnl Construct a search-list of directories for a nonstandard header-file
1527 dnl $1 = the variable to return as result
1528 dnl $2 = the package name
1529 AC_DEFUN([CF_HEADER_PATH],
1533 # collect the current set of include-directories from compiler flags
1534 cf_header_path_list=""
1535 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1536 for cf_header_path in $CPPFLAGS $CFLAGS
1538 case $cf_header_path in
1540 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1541 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1542 cf_header_path_list="$cf_header_path_list [$]$1"
1548 # add the variations for the package we are looking for
1549 CF_SUBDIR_PATH($1,$2,include)
1551 test "$includedir" != NONE && \
1552 test "$includedir" != "/usr/include" && \
1553 test -d "$includedir" && {
1554 test -d $includedir && $1="[$]$1 $includedir"
1555 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1558 test "$oldincludedir" != NONE && \
1559 test "$oldincludedir" != "/usr/include" && \
1560 test -d "$oldincludedir" && {
1561 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1562 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1565 $1="[$]$1 $cf_header_path_list"
1567 dnl ---------------------------------------------------------------------------
1568 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1570 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1571 AC_DEFUN([CF_HELP_MESSAGE],
1572 [AC_DIVERT_HELP([$1])dnl
1574 dnl ---------------------------------------------------------------------------
1575 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1577 dnl Construct the list of include-options according to whether we're building
1578 dnl in the source directory or using '--srcdir=DIR' option.
1579 AC_DEFUN([CF_INCLUDE_DIRS],
1581 if test "$srcdir" != "."; then
1582 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1584 CPPFLAGS="-I../include $CPPFLAGS"
1585 if test "$srcdir" != "."; then
1586 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1588 CPPFLAGS="-I. $CPPFLAGS"
1591 dnl ---------------------------------------------------------------------------
1592 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1593 dnl -----------------
1594 dnl Check if the given compiler is really the Intel compiler for Linux. It
1595 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1596 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1598 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1599 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1600 dnl the wrappers for gcc and g++ warnings.
1602 dnl $1 = GCC (default) or GXX
1603 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1604 dnl $3 = CFLAGS (default) or CXXFLAGS
1605 AC_DEFUN([CF_INTEL_COMPILER],[
1606 AC_REQUIRE([AC_CANONICAL_HOST])
1607 ifelse([$2],,INTEL_COMPILER,[$2])=no
1609 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1612 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1613 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1614 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1616 #ifdef __INTEL_COMPILER
1620 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1621 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1623 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1624 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1629 dnl ---------------------------------------------------------------------------
1630 dnl CF_LARGEFILE version: 10 updated: 2017/01/21 11:06:25
1632 dnl Add checks for large file support.
1633 AC_DEFUN([CF_LARGEFILE],[
1634 ifdef([AC_FUNC_FSEEKO],[
1636 if test "$enable_largefile" != no ; then
1639 # Normally we would collect these definitions in the config.h,
1640 # but (like _XOPEN_SOURCE), some environments rely on having these
1641 # defined before any of the system headers are included. Another
1642 # case comes up with C++, e.g., on AIX the compiler compiles the
1643 # header files by themselves before looking at the body files it is
1644 # told to compile. For ncurses, those header files do not include
1646 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1647 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1648 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1650 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1652 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
1653 #include <sys/types.h>
1656 /* if transitional largefile support is setup, this is true */
1657 extern struct dirent64 * readdir(DIR *);
1658 struct dirent64 *x = readdir((DIR *)0);
1659 struct dirent *y = readdir((DIR *)0);
1662 [cf_cv_struct_dirent64=yes],
1663 [cf_cv_struct_dirent64=no])
1665 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1669 dnl ---------------------------------------------------------------------------
1670 dnl CF_LD_RPATH_OPT version: 7 updated: 2016/02/20 18:01:19
1672 dnl For the given system and compiler, find the compiler flags to pass to the
1673 dnl loader to use the "rpath" feature.
1674 AC_DEFUN([CF_LD_RPATH_OPT],
1676 AC_REQUIRE([CF_CHECK_CACHE])
1679 AC_MSG_CHECKING(for an rpath option)
1680 case $cf_cv_system_name in
1682 if test "$GCC" = yes; then
1683 LD_RPATH_OPT="-Wl,-rpath,"
1685 LD_RPATH_OPT="-rpath "
1688 (linux*|gnu*|k*bsd*-gnu|freebsd*)
1689 LD_RPATH_OPT="-Wl,-rpath,"
1691 (openbsd[[2-9]].*|mirbsd*)
1692 LD_RPATH_OPT="-Wl,-rpath,"
1695 LD_RPATH_OPT="-rpath "
1698 LD_RPATH_OPT="-Wl,-rpath,"
1701 LD_RPATH_OPT="-rpath "
1709 AC_MSG_RESULT($LD_RPATH_OPT)
1711 case "x$LD_RPATH_OPT" in
1713 AC_MSG_CHECKING(if we need a space after rpath option)
1714 cf_save_LIBS="$LIBS"
1715 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1716 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1717 LIBS="$cf_save_LIBS"
1718 AC_MSG_RESULT($cf_rpath_space)
1719 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1723 dnl ---------------------------------------------------------------------------
1724 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1726 dnl Construct a search-list of directories for a nonstandard library-file
1729 dnl $1 = the variable to return as result
1730 dnl $2 = the package name
1731 AC_DEFUN([CF_LIBRARY_PATH],
1734 cf_library_path_list=""
1735 if test -n "${LDFLAGS}${LIBS}" ; then
1736 for cf_library_path in $LDFLAGS $LIBS
1738 case $cf_library_path in
1740 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1741 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1742 cf_library_path_list="$cf_library_path_list [$]$1"
1748 CF_SUBDIR_PATH($1,$2,lib)
1750 $1="$cf_library_path_list [$]$1"
1752 dnl ---------------------------------------------------------------------------
1753 dnl CF_LIB_PREFIX version: 12 updated: 2015/10/17 19:03:33
1755 dnl Compute the library-prefix for the given host system
1756 dnl $1 = variable to set
1757 define([CF_LIB_PREFIX],
1759 case $cf_cv_system_name in
1761 if test "$DFT_LWR_MODEL" = libtool; then
1767 (*) LIB_PREFIX='lib'
1770 ifelse($1,,,[$1=$LIB_PREFIX])
1771 AC_SUBST(LIB_PREFIX)
1773 dnl ---------------------------------------------------------------------------
1774 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1776 dnl Compute the library file-suffix from the given model name
1778 dnl $2 = variable to set (the nominal library suffix)
1779 dnl $3 = dependency variable to set (actual filename)
1780 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1781 AC_DEFUN([CF_LIB_SUFFIX],
1797 case $cf_cv_system_name in
1802 (cygwin*|msys*|mingw*)
1833 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1835 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1836 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1839 dnl ---------------------------------------------------------------------------
1840 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1842 dnl Compute the string to append to -library from the given model name
1844 dnl $2 = variable to set
1845 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1846 AC_DEFUN([CF_LIB_TYPE],
1852 (profile) $2='_p' ;;
1855 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1857 dnl ---------------------------------------------------------------------------
1858 dnl CF_LINK_DATAONLY version: 11 updated: 2017/01/21 11:06:25
1859 dnl ----------------
1860 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1861 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1862 dnl have to provide wrappers for global tables to ensure they're linked
1864 AC_DEFUN([CF_LINK_DATAONLY],
1866 AC_MSG_CHECKING([if data-only library module links])
1867 AC_CACHE_VAL(cf_cv_link_dataonly,[
1869 cat >conftest.$ac_ext <<EOF
1870 #line __oline__ "configure"
1871 int testdata[[3]] = { 123, 456, 789 };
1873 if AC_TRY_EVAL(ac_compile) ; then
1874 mv conftest.o data.o && \
1875 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1877 rm -f conftest.$ac_ext data.o
1878 cat >conftest.$ac_ext <<EOF
1879 #line __oline__ "configure"
1883 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1885 extern int testdata[[3]];
1886 return testdata[[0]] == 123
1887 && testdata[[1]] == 456
1888 && testdata[[2]] == 789;
1892 if AC_TRY_EVAL(ac_compile); then
1893 mv conftest.o func.o && \
1894 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1896 rm -f conftest.$ac_ext func.o
1897 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1899 LIBS="conftest.a $LIBS"
1903 extern int testfunc();
1904 ${cf_cv_main_return:-return} (!testfunc());
1907 [cf_cv_link_dataonly=yes],
1908 [cf_cv_link_dataonly=no],
1909 [cf_cv_link_dataonly=unknown])
1912 AC_MSG_RESULT($cf_cv_link_dataonly)
1914 if test "$cf_cv_link_dataonly" = no ; then
1915 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1920 dnl ---------------------------------------------------------------------------
1921 dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
1923 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1924 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1925 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1926 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1927 AC_DEFUN([CF_MAKEFLAGS],
1929 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1931 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1933 cat >cf_makeflags.tmp <<CF_EOF
1936 @ echo '.$cf_option'
1938 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1939 case "$cf_result" in
1941 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1942 case "$cf_result" in
1943 (.*CC=*) cf_cv_makeflags=
1945 (*) cf_cv_makeflags=$cf_option
1951 (*) echo "given option \"$cf_option\", no match \"$cf_result\""
1955 rm -f cf_makeflags.tmp
1958 AC_SUBST(cf_cv_makeflags)
1960 dnl ---------------------------------------------------------------------------
1961 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1963 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1964 dnl a monocase filesystem.
1965 AC_DEFUN([CF_MAKE_TAGS],[
1966 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1968 AC_CHECK_PROGS(CTAGS, exctags ctags)
1969 AC_CHECK_PROGS(ETAGS, exetags etags)
1971 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1973 if test "$cf_cv_mixedcase" = yes ; then
1974 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1979 if test "$MAKE_UPPER_TAGS" = yes ; then
1985 if test "$MAKE_LOWER_TAGS" = yes ; then
1994 AC_SUBST(MAKE_UPPER_TAGS)
1995 AC_SUBST(MAKE_LOWER_TAGS)
1997 dnl ---------------------------------------------------------------------------
1998 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
1999 dnl ----------------------
2000 dnl Check if the file-system supports mixed-case filenames. If we're able to
2001 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2002 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2004 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2005 if test "$cross_compiling" = yes ; then
2006 case $target_alias in
2007 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2015 rm -f conftest CONFTEST
2017 if test -f CONFTEST ; then
2022 rm -f conftest CONFTEST
2025 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2027 dnl ---------------------------------------------------------------------------
2028 dnl CF_MKSTEMP version: 10 updated: 2017/01/21 11:12:16
2030 dnl Check for a working mkstemp. This creates two files, checks that they are
2031 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2032 AC_DEFUN([CF_MKSTEMP],[
2036 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2039 #include <sys/types.h>
2040 #ifdef HAVE_UNISTD_H
2046 #include <sys/stat.h>
2049 char *tmpl = "conftestXXXXXX";
2057 for (n = 0; n < 2; ++n) {
2058 strcpy(name[n], tmpl);
2059 if ((fd = mkstemp(name[n])) >= 0) {
2060 if (!strcmp(name[n], tmpl)
2061 || stat(name[n], &sb) != 0
2062 || (sb.st_mode & S_IFMT) != S_IFREG
2063 || (sb.st_mode & 077) != 0) {
2070 && !strcmp(name[0], name[1]))
2072 ${cf_cv_main_return:-return}(result);
2074 ],[cf_cv_func_mkstemp=yes
2075 ],[cf_cv_func_mkstemp=no
2076 ],[cf_cv_func_mkstemp=maybe])
2078 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2079 AC_CHECK_FUNC(mkstemp)
2081 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2082 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2085 dnl ---------------------------------------------------------------------------
2086 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2088 dnl Write a debug message to config.log, along with the line number in the
2089 dnl configure script.
2090 AC_DEFUN([CF_MSG_LOG],[
2091 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2093 dnl ---------------------------------------------------------------------------
2094 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2095 dnl ----------------
2096 dnl Configure an ncurses add-on, built outside the ncurses tree.
2097 AC_DEFUN([CF_NCURSES_ADDON],[
2098 AC_REQUIRE([CF_NCURSES_CONFIG])
2100 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2102 AC_MSG_CHECKING(if you want wide-character code)
2103 AC_ARG_ENABLE(widec,
2104 [ --enable-widec compile with wide-char/UTF-8 code],
2105 [with_widec=$enableval],
2107 AC_MSG_RESULT($with_widec)
2108 if test "$with_widec" = yes ; then
2110 CF_NCURSES_CONFIG(ncursesw)
2112 CF_NCURSES_CONFIG(ncurses)
2115 if test "$NCURSES_CONFIG_PKG" != none ; then
2116 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2118 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2119 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2120 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2122 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2123 if test -z "$cf_cv_abi_version"
2125 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2128 elif test "$NCURSES_CONFIG" != none ; then
2130 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2132 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2133 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2134 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2136 # ABI version is not available from headers
2137 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2141 for cf_name in MAJOR MINOR PATCH
2143 cat >conftest.$ac_ext <<CF_EOF
2144 #include <${cf_cv_ncurses_header:-curses.h}>
2145 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2147 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2149 if test -f conftest.out ; then
2150 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2151 eval NCURSES_$cf_name=\"$cf_result\"
2152 # cat conftest.$ac_ext
2157 cf_cv_abi_version=${NCURSES_MAJOR}
2161 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2163 dnl Show the computed version, for logging
2164 cf_cv_timestamp=`date`
2166 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2168 dnl We need these values in the generated headers
2169 AC_SUBST(NCURSES_MAJOR)
2170 AC_SUBST(NCURSES_MINOR)
2171 AC_SUBST(NCURSES_PATCH)
2173 dnl We need these values in the generated makefiles
2174 AC_SUBST(cf_cv_rel_version)
2175 AC_SUBST(cf_cv_abi_version)
2177 dnl FIXME - not needed for Ada95
2178 AC_SUBST(cf_cv_builtin_bool)
2179 AC_SUBST(cf_cv_header_stdbool_h)
2180 AC_SUBST(cf_cv_type_of_bool)dnl
2183 dnl ---------------------------------------------------------------------------
2184 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2185 dnl -------------------
2186 dnl Check if we can compile with ncurses' header file
2187 dnl $1 is the cache variable to set
2188 dnl $2 is the header-file to include
2189 dnl $3 is the root name (ncurses or ncursesw)
2190 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2192 ]ifelse($3,ncursesw,[
2193 #define _XOPEN_SOURCE_EXTENDED
2194 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2195 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2198 #ifdef NCURSES_VERSION
2199 ]ifelse($3,ncursesw,[
2204 printf("%s\n", NCURSES_VERSION);
2216 dnl ---------------------------------------------------------------------------
2217 dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07
2218 dnl -----------------
2219 dnl Tie together the configure-script macros for ncurses, preferring these in
2221 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2222 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2223 dnl c) just plain libraries
2225 dnl $1 is the root library name (default: "ncurses")
2226 AC_DEFUN([CF_NCURSES_CONFIG],[
2227 AC_REQUIRE([CF_PKG_CONFIG])
2228 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2229 cf_have_ncuconfig=no
2231 if test "x${PKG_CONFIG:=none}" != xnone; then
2232 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2233 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2236 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2237 cf_have_ncuconfig=unknown
2239 cf_save_CPPFLAGS="$CPPFLAGS"
2240 cf_save_LIBS="$LIBS"
2242 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2243 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2245 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2246 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2247 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2249 { char *xx = curses_version(); return (xx == 0); }],
2250 [cf_have_ncuconfig=yes],
2251 [cf_have_ncuconfig=no],
2252 [cf_have_ncuconfig=maybe])],
2253 [cf_have_ncuconfig=no])
2254 AC_MSG_RESULT($cf_have_ncuconfig)
2255 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2256 if test "$cf_have_ncuconfig" != "yes"
2258 CPPFLAGS="$cf_save_CPPFLAGS"
2259 LIBS="$cf_save_LIBS"
2260 NCURSES_CONFIG_PKG=none
2262 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2263 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2268 NCURSES_CONFIG_PKG=none
2271 NCURSES_CONFIG_PKG=none
2274 if test "x$cf_have_ncuconfig" = "xno"; then
2275 echo "Looking for ${cf_ncuconfig_root}-config"
2277 CF_ACVERSION_CHECK(2.52,
2278 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2279 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2281 if test "$NCURSES_CONFIG" != none ; then
2283 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2284 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2286 # even with config script, some packages use no-override for curses.h
2287 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2289 dnl like CF_NCURSES_CPPFLAGS
2290 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2292 dnl like CF_NCURSES_LIBS
2293 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2294 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2296 dnl like CF_NCURSES_VERSION
2297 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2301 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2302 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2309 dnl ---------------------------------------------------------------------------
2310 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2311 dnl -------------------
2312 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2313 dnl the CPPFLAGS variable so we can include its header.
2315 dnl The header files may be installed as either curses.h, or ncurses.h (would
2316 dnl be obsolete, except that some packagers prefer this name to distinguish it
2317 dnl from a "native" curses implementation). If not installed for overwrite,
2318 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2319 dnl /usr/include/ncurses), but someone may have installed overwriting the
2320 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2321 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2324 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2325 dnl is already in the include-path, don't even bother with this, since we cannot
2326 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2328 dnl The optional parameter gives the root name of the library, in case it is
2329 dnl not installed as the default curses library. That is how the
2330 dnl wide-character version of ncurses is installed.
2331 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2332 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2334 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2335 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2337 test -n "$cf_cv_curses_dir" && \
2338 test "$cf_cv_curses_dir" != "no" && { \
2339 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2342 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2343 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2344 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2345 for cf_header in $cf_header_list
2347 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2348 test "$cf_cv_ncurses_h" != no && break
2355 # some applications need this, but should check for NCURSES_VERSION
2356 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2360 dnl ---------------------------------------------------------------------------
2361 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2362 dnl -----------------
2363 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2364 dnl variations of ncurses' installs.
2366 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2367 AC_DEFUN([CF_NCURSES_HEADER],[
2369 if test "$cf_cv_ncurses_h" != no ; then
2370 cf_cv_ncurses_header=$cf_cv_ncurses_h
2373 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2374 test -n "$verbose" && echo
2375 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2376 test -n "$verbose" && echo search path $cf_search
2377 cf_save2_CPPFLAGS="$CPPFLAGS"
2378 for cf_incdir in $cf_search
2380 CF_ADD_INCDIR($cf_incdir)
2385 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2386 if test "$cf_cv_ncurses_h2" != no ; then
2387 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2388 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2391 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2393 CPPFLAGS="$cf_save2_CPPFLAGS"
2394 test "$cf_cv_ncurses_h2" != no && break
2396 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2399 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2400 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2401 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2402 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2404 CF_ADD_INCDIR($cf_1st_incdir)
2408 # Set definitions to allow ifdef'ing for ncurses.h
2410 case $cf_cv_ncurses_header in
2412 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2416 case $cf_cv_ncurses_header in
2417 (ncurses/curses.h|ncurses/ncurses.h)
2418 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2420 (ncursesw/curses.h|ncursesw/ncurses.h)
2421 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2426 dnl ---------------------------------------------------------------------------
2427 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2429 dnl Look for the ncurses library. This is a little complicated on Linux,
2430 dnl because it may be linked with the gpm (general purpose mouse) library.
2431 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2432 dnl unusable with ncurses. However, we don't want to link with gpm unless
2433 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2434 dnl and the linker will record a dependency.
2436 dnl The optional parameter gives the root name of the library, in case it is
2437 dnl not installed as the default curses library. That is how the
2438 dnl wide-character version of ncurses is installed.
2439 AC_DEFUN([CF_NCURSES_LIBS],
2440 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2442 cf_nculib_root=ifelse($1,,ncurses,$1)
2443 # This works, except for the special case where we find gpm, but
2444 # ncurses is in a nonstandard location via $LIBS, and we really want
2447 cf_ncurses_SAVE="$LIBS"
2448 AC_CHECK_LIB(gpm,Gpm_Open,
2449 [AC_CHECK_LIB(gpm,initscr,
2450 [LIBS="$cf_ncurses_SAVE"],
2451 [cf_ncurses_LIBS="-lgpm"])])
2455 # This is only necessary if you are linking against an obsolete
2456 # version of ncurses (but it should do no harm, since it's static).
2457 if test "$cf_nculib_root" = ncurses ; then
2458 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2463 CF_ADD_LIBS($cf_ncurses_LIBS)
2465 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2467 CF_ADD_LIBS(-l$cf_nculib_root)
2469 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2470 [#include <${cf_cv_ncurses_header:-curses.h}>],
2475 if test -n "$cf_ncurses_LIBS" ; then
2476 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2477 cf_ncurses_SAVE="$LIBS"
2478 for p in $cf_ncurses_LIBS ; do
2479 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2480 if test "$q" != "$LIBS" ; then
2484 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2485 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2486 [AC_MSG_RESULT(yes)],
2488 LIBS="$cf_ncurses_SAVE"])
2491 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2492 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2494 dnl ---------------------------------------------------------------------------
2495 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2496 dnl ------------------
2497 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2498 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2499 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2500 AC_DEFUN([CF_NCURSES_VERSION],
2502 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2503 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2504 cf_cv_ncurses_version=no
2508 #include <${cf_cv_ncurses_header:-curses.h}>
2512 FILE *fp = fopen("$cf_tempfile", "w");
2513 #ifdef NCURSES_VERSION
2514 # ifdef NCURSES_VERSION_PATCH
2515 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2517 fprintf(fp, "%s\n", NCURSES_VERSION);
2521 fprintf(fp, "old\n");
2526 ${cf_cv_main_return:-return}(0);
2528 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2530 # This will not work if the preprocessor splits the line after the
2531 # Autoconf token. The 'unproto' program does that.
2532 cat > conftest.$ac_ext <<EOF
2533 #include <${cf_cv_ncurses_header:-curses.h}>
2535 #ifdef NCURSES_VERSION
2536 Autoconf NCURSES_VERSION
2544 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2546 if test -f conftest.out ; then
2547 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2548 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2554 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2556 dnl ---------------------------------------------------------------------------
2557 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2559 dnl Compute the object-directory name from the given model name
2560 AC_DEFUN([CF_OBJ_SUBDIR],
2563 (libtool) $2='obj_lo' ;;
2564 (normal) $2='objects' ;;
2565 (debug) $2='obj_g' ;;
2566 (profile) $2='obj_p' ;;
2568 case $cf_cv_system_name in
2576 dnl ---------------------------------------------------------------------------
2577 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2579 dnl Provide a value for the $PATH and similar separator (or amend the value
2580 dnl as provided in autoconf 2.5x).
2581 AC_DEFUN([CF_PATHSEP],
2583 AC_MSG_CHECKING(for PATH separator)
2584 case $cf_cv_system_name in
2585 (os2*) PATH_SEPARATOR=';' ;;
2586 (*) ${PATH_SEPARATOR:=':'} ;;
2588 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2589 AC_SUBST(PATH_SEPARATOR)
2590 AC_MSG_RESULT($PATH_SEPARATOR)
2592 dnl ---------------------------------------------------------------------------
2593 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2595 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2596 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2597 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2598 dnl delayed evaluation of those symbols.
2599 AC_DEFUN([CF_PATH_SYNTAX],[
2600 if test "x$prefix" != xNONE; then
2601 cf_path_syntax="$prefix"
2603 cf_path_syntax="$ac_default_prefix"
2607 (.\[$]\(*\)*|.\'*\'*)
2611 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2613 (.\[$]{*prefix}*|.\[$]{*dir}*)
2617 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2622 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2625 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2629 dnl ---------------------------------------------------------------------------
2630 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2632 dnl Check for the package-config program, unless disabled by command-line.
2633 AC_DEFUN([CF_PKG_CONFIG],
2635 AC_MSG_CHECKING(if you want to use pkg-config)
2636 AC_ARG_WITH(pkg-config,
2637 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2638 [cf_pkg_config=$withval],
2639 [cf_pkg_config=yes])
2640 AC_MSG_RESULT($cf_pkg_config)
2642 case $cf_pkg_config in
2647 CF_ACVERSION_CHECK(2.52,
2648 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2649 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2656 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2657 if test "$PKG_CONFIG" != none ; then
2658 CF_PATH_SYNTAX(PKG_CONFIG)
2659 elif test "x$cf_pkg_config" != xno ; then
2660 AC_MSG_WARN(pkg-config is not installed)
2663 AC_SUBST(PKG_CONFIG)
2665 dnl ---------------------------------------------------------------------------
2666 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2667 dnl -----------------
2668 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2670 dnl POSIX.1-1990 _POSIX_SOURCE
2671 dnl POSIX.1-1990 and _POSIX_SOURCE and
2672 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2674 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2675 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2676 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2679 dnl $1 is the nominal value for _POSIX_C_SOURCE
2680 AC_DEFUN([CF_POSIX_C_SOURCE],
2682 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2684 cf_save_CFLAGS="$CFLAGS"
2685 cf_save_CPPFLAGS="$CPPFLAGS"
2687 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2688 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2690 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2691 CF_MSG_LOG(if the symbol is already defined go no further)
2692 AC_TRY_COMPILE([#include <sys/types.h>],[
2693 #ifndef _POSIX_C_SOURCE
2696 [cf_cv_posix_c_source=no],
2697 [cf_want_posix_source=no
2698 case .$cf_POSIX_C_SOURCE in
2700 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2703 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2704 cf_want_posix_source=yes
2707 cf_want_posix_source=yes
2710 if test "$cf_want_posix_source" = yes ; then
2711 AC_TRY_COMPILE([#include <sys/types.h>],[
2712 #ifdef _POSIX_SOURCE
2715 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2717 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2718 CFLAGS="$cf_trim_CFLAGS"
2719 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2720 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2721 AC_TRY_COMPILE([#include <sys/types.h>],[
2722 #ifndef _POSIX_C_SOURCE
2725 [cf_cv_posix_c_source=no])
2726 CFLAGS="$cf_save_CFLAGS"
2727 CPPFLAGS="$cf_save_CPPFLAGS"
2731 if test "$cf_cv_posix_c_source" != no ; then
2732 CFLAGS="$cf_trim_CFLAGS"
2733 CPPFLAGS="$cf_trim_CPPFLAGS"
2734 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2738 dnl ---------------------------------------------------------------------------
2739 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2741 dnl Check for archiver "ar".
2742 AC_DEFUN([CF_PROG_AR],[
2743 AC_CHECK_TOOL(AR, ar, ar)
2745 dnl ---------------------------------------------------------------------------
2746 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2748 dnl Check for awk, ensure that the check found something.
2749 AC_DEFUN([CF_PROG_AWK],
2752 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2754 dnl ---------------------------------------------------------------------------
2755 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2757 dnl standard check for CC, plus followup sanity checks
2758 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2759 AC_DEFUN([CF_PROG_CC],[
2760 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2762 CF_ACVERSION_CHECK(2.52,
2767 dnl ---------------------------------------------------------------------------
2768 dnl CF_PROG_CC_C_O version: 5 updated: 2017/01/21 11:06:25
2770 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2771 dnl the output file can be renamed, and allows for a shell variable that can
2772 dnl be used later. The parameter is either CC or CXX. The result is the
2774 dnl $cf_cv_prog_CC_c_o
2775 dnl $cf_cv_prog_CXX_c_o
2778 dnl $2 = compiler options, if any
2779 AC_DEFUN([CF_PROG_CC_C_O],
2780 [AC_REQUIRE([AC_PROG_CC])dnl
2781 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2782 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2784 cat > conftest.$ac_ext <<CF_EOF
2787 ${cf_cv_main_return:-return}(0);
2790 # We do the test twice because some compilers refuse to overwrite an
2791 # existing .o file with -o, though they will create one.
2792 ac_try='[$]$1 $2 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2793 if AC_TRY_EVAL(ac_try) &&
2794 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2796 eval cf_cv_prog_$1_c_o=yes
2798 eval cf_cv_prog_$1_c_o=no
2802 if test $cf_cv_prog_$1_c_o = yes; then
2803 AC_MSG_RESULT([yes])
2808 dnl ---------------------------------------------------------------------------
2809 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2811 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2812 dnl This macro adds a check to ensure the script found something.
2813 AC_DEFUN([CF_PROG_EGREP],
2814 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2815 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2816 then ac_cv_prog_egrep='grep -E'
2817 else ac_cv_prog_egrep='egrep'
2819 EGREP=$ac_cv_prog_egrep
2821 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2823 dnl ---------------------------------------------------------------------------
2824 dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
2826 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2827 AC_DEFUN([CF_PROG_EXT],
2829 AC_REQUIRE([CF_CHECK_CACHE])
2830 case $cf_cv_system_name in
2832 CFLAGS="$CFLAGS -Zmt"
2833 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2834 CXXFLAGS="$CXXFLAGS -Zmt"
2835 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2836 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2846 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2848 dnl ---------------------------------------------------------------------------
2849 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
2851 dnl Check for gnatmake, ensure that it is complete.
2852 AC_DEFUN([CF_PROG_GNAT],[
2853 cf_ada_make=gnatmake
2854 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2855 if test "$ac_cv_prog_gnat_exists" = no; then
2857 cf_cv_prog_gnat_correct=no
2860 AC_CHECK_PROG(M4_exists, m4, yes, no)
2861 if test "$ac_cv_prog_M4_exists" = no; then
2862 cf_cv_prog_gnat_correct=no
2863 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2865 if test "$cf_cv_prog_gnat_correct" = yes; then
2866 AC_MSG_CHECKING(if GNAT works)
2867 CF_GNAT_TRY_RUN([procedure conftest;],
2870 procedure conftest is
2872 Text_IO.Put ("Hello World");
2874 GNAT.OS_Lib.OS_Exit (0);
2875 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2876 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2880 AC_SUBST(cf_ada_make)
2882 dnl ---------------------------------------------------------------------------
2883 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2885 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2886 dnl option if it is supported.
2887 AC_DEFUN([CF_PROG_LN_S],[
2889 AC_MSG_CHECKING(if $LN_S -f options work)
2891 rm -f conf$$.src conf$$dst
2893 echo first >conf$$.src
2894 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2899 rm -f conf$$.dst conf$$src
2900 AC_MSG_RESULT($cf_prog_ln_sf)
2902 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2904 dnl ---------------------------------------------------------------------------
2905 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2906 dnl ----------------
2907 dnl Remove all -U and -D options that refer to the given symbol from a list
2908 dnl of C compiler options. This works around the problem that not all
2909 dnl compilers process -U and -D options from left-to-right, so a -U option
2910 dnl cannot be used to cancel the effect of a preceding -D option.
2912 dnl $1 = target (which could be the same as the source variable)
2913 dnl $2 = source (including '$')
2914 dnl $3 = symbol to remove
2915 define([CF_REMOVE_DEFINE],
2918 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2919 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2921 dnl ---------------------------------------------------------------------------
2922 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2924 dnl Remove the given library from the symbol
2926 dnl $1 = target (which could be the same as the source variable)
2927 dnl $2 = source (including '$')
2928 dnl $3 = library to remove
2929 define([CF_REMOVE_LIB],
2931 # remove $3 library from $2
2932 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2934 dnl ---------------------------------------------------------------------------
2935 dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
2938 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2942 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2943 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2944 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2945 dnl shared library since that can lead to unexpected results at runtime.
2946 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2947 dnl libraries are compiled in ../../lib
2949 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2950 dnl to install symbolic links to the rel/abi versions of shared libraries.
2952 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2953 dnl version when making symbolic links.
2955 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2956 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2957 dnl (ex: libncurses.so.<ver>).
2959 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2960 AC_DEFUN([CF_SHARED_OPTS],
2962 AC_REQUIRE([CF_LD_RPATH_OPT])
2967 INSTALL_LIB="-m 644"
2968 : ${rel_builddir:=.}
2976 cf_cv_do_symlinks=no
2978 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2980 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2981 AC_ARG_WITH(shlib-version,
2982 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2983 [test -z "$withval" && withval=auto
2986 cf_cv_shlib_version=auto
2989 cf_cv_shlib_version=$withval
2992 AC_MSG_RESULT($withval)
2993 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
2996 ],[cf_cv_shlib_version=auto])
2997 AC_MSG_RESULT($cf_cv_shlib_version)
3002 # Some less-capable ports of gcc support only -fpic
3004 if test "$GCC" = yes
3006 AC_MSG_CHECKING(which $CC option to use)
3007 cf_save_CFLAGS="$CFLAGS"
3008 for CC_SHARED_OPTS in -fPIC -fpic ''
3010 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3011 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3013 AC_MSG_RESULT($CC_SHARED_OPTS)
3014 CFLAGS="$cf_save_CFLAGS"
3017 cf_cv_shlib_version_infix=no
3019 case $cf_cv_system_name in
3020 (aix4.[3-9]*|aix[[5-7]]*)
3021 if test "$GCC" = yes; then
3022 CC_SHARED_OPTS='-Wl,-brtl'
3023 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3025 CC_SHARED_OPTS='-brtl'
3026 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3027 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3031 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3035 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3036 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3037 cf_cv_shlib_version=cygdll
3038 cf_cv_shlib_version_infix=cygdll
3041 cat >mk_shared_lib.sh <<-CF_EOF
3044 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3047 Linking shared library
3048 ** SHARED_LIB \[$]SHARED_LIB
3049 ** IMPORT_LIB \[$]IMPORT_LIB
3051 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3053 chmod +x mk_shared_lib.sh
3057 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3058 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3059 cf_cv_shlib_version=msysdll
3060 cf_cv_shlib_version_infix=msysdll
3063 cat >mk_shared_lib.sh <<-CF_EOF
3066 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3069 Linking shared library
3070 ** SHARED_LIB \[$]SHARED_LIB
3071 ** IMPORT_LIB \[$]IMPORT_LIB
3073 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3075 chmod +x mk_shared_lib.sh
3078 cf_try_cflags="no-cpp-precomp"
3079 CC_SHARED_OPTS="-dynamic"
3080 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3081 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3082 cf_cv_shlib_version_infix=yes
3083 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3084 cf_save_LDFLAGS=$LDFLAGS
3085 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3086 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3087 LDFLAGS=$cf_save_LDFLAGS])
3088 if test $cf_cv_ldflags_search_paths_first = yes; then
3089 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3093 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3094 if test "$GCC" != yes; then
3097 MK_SHARED_LIB='${LD} -b -o $[@]'
3098 INSTALL_LIB="-m 555"
3101 # (tested with gcc 2.7.2 -- I don't have c89)
3102 if test "$GCC" = yes; then
3103 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3106 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3108 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3109 # HP-UX shared libraries must be executable, and should be
3110 # readonly to exploit a quirk in the memory manager.
3111 INSTALL_LIB="-m 555"
3114 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3115 if test "$cf_cv_shlib_version" = rel; then
3116 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3118 cf_shared_soname='`basename $@`'
3121 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3124 if test "$cf_cv_enable_rpath" = yes ; then
3125 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3127 # tested with IRIX 5.2 and 'cc'.
3128 if test "$GCC" != yes; then
3129 CC_SHARED_OPTS='-KPIC'
3130 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3132 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3134 cf_cv_rm_so_locs=yes
3136 (linux*|gnu*|k*bsd*-gnu)
3137 if test "$DFT_LWR_MODEL" = "shared" ; then
3138 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3139 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3141 if test "$cf_cv_enable_rpath" = yes ; then
3142 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3145 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3148 cf_cv_shlib_version=mingw
3149 cf_cv_shlib_version_infix=mingw
3152 if test "$DFT_LWR_MODEL" = "shared" ; then
3153 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3154 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3155 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3158 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3159 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3160 cat >mk_shared_lib.sh <<-CF_EOF
3163 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3166 Linking shared library
3167 ** SHARED_LIB \[$]SHARED_LIB
3168 ** IMPORT_LIB \[$]IMPORT_LIB
3170 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3172 chmod +x mk_shared_lib.sh
3174 (openbsd[[2-9]].*|mirbsd*)
3175 if test "$DFT_LWR_MODEL" = "shared" ; then
3176 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3177 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3179 if test "$cf_cv_enable_rpath" = yes ; then
3180 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3182 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3184 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3186 (nto-qnx*|openbsd*|freebsd[[12]].*)
3187 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3188 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3189 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3191 (dragonfly*|freebsd*)
3192 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3193 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3194 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3195 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3196 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3199 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3202 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3203 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3204 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3205 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3206 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3207 if test "$cf_cv_shlib_version" = auto; then
3208 if test -f /usr/libexec/ld.elf_so; then
3209 cf_cv_shlib_version=abi
3211 cf_cv_shlib_version=rel
3215 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3217 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3221 # tested with OSF/1 V3.2 and 'cc'
3222 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3223 # link with shared libs).
3224 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3227 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3230 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3231 if test "$DFT_LWR_MODEL" = "shared" ; then
3232 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3233 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3235 cf_cv_rm_so_locs=yes
3237 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3238 # tested with osr5.0.5
3239 if test "$GCC" != yes; then
3240 CC_SHARED_OPTS='-belf -KPIC'
3242 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3243 if test "$cf_cv_enable_rpath" = yes ; then
3244 # only way is to set LD_RUN_PATH but no switch for it
3247 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3248 LINK_PROGS='LD_RUN_PATH=${libdir}'
3249 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3252 # tested with SunOS 4.1.1 and gcc 2.7.0
3253 if test "$GCC" != yes; then
3254 CC_SHARED_OPTS='-KPIC'
3256 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3257 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3260 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3261 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3262 if test "$DFT_LWR_MODEL" = "shared" ; then
3263 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3264 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3266 if test "$cf_cv_enable_rpath" = yes ; then
3267 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3270 if test "$GCC" != yes; then
3271 cf_save_CFLAGS="$CFLAGS"
3272 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3274 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3275 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3277 CFLAGS="$cf_save_CFLAGS"
3278 CC_SHARED_OPTS=$cf_shared_opts
3279 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3281 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3284 (sysv5uw7*|unix_sv*)
3285 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3286 if test "$GCC" != yes; then
3287 CC_SHARED_OPTS='-KPIC'
3289 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3292 CC_SHARED_OPTS='unknown'
3293 MK_SHARED_LIB='echo unknown'
3297 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3298 case "$cf_cv_shlib_version" in
3300 case "$MK_SHARED_LIB" in
3302 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3305 AC_MSG_WARN(ignored --with-shlib-version)
3311 if test -n "$cf_try_cflags"
3313 cat > conftest.$ac_ext <<EOF
3314 #line __oline__ "${as_me:-configure}"
3316 int main(int argc, char *argv[[]])
3319 return (argv[[argc-1]] == 0) ;
3322 cf_save_CFLAGS="$CFLAGS"
3323 for cf_opt in $cf_try_cflags
3325 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3326 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3327 if AC_TRY_EVAL(ac_compile); then
3329 cf_save_CFLAGS="$CFLAGS"
3334 CFLAGS="$cf_save_CFLAGS"
3338 # RPATH_LIST is a colon-separated list of directories
3339 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3340 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3342 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3344 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3345 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3347 AC_SUBST(CC_SHARED_OPTS)
3348 AC_SUBST(LD_RPATH_OPT)
3349 AC_SUBST(LD_SHARED_OPTS)
3350 AC_SUBST(MK_SHARED_LIB)
3351 AC_SUBST(RM_SHARED_OPTS)
3353 AC_SUBST(LINK_PROGS)
3354 AC_SUBST(LINK_TESTS)
3356 AC_SUBST(EXTRA_LDFLAGS)
3357 AC_SUBST(LOCAL_LDFLAGS)
3358 AC_SUBST(LOCAL_LDFLAGS2)
3360 AC_SUBST(INSTALL_LIB)
3361 AC_SUBST(RPATH_LIST)
3363 dnl ---------------------------------------------------------------------------
3364 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3365 dnl ----------------
3366 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3367 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3370 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3371 dnl If missing, use "rel".
3372 define([CF_SHARED_SONAME],
3374 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3375 if test "$cf_cv_shlib_version" = rel; then
3376 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3378 cf_cv_shared_soname='`basename $[@]`'
3381 dnl ---------------------------------------------------------------------------
3382 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3384 dnl Remove "-g" option from the compiler options
3385 AC_DEFUN([CF_STRIP_G_OPT],
3386 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3387 dnl ---------------------------------------------------------------------------
3388 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3390 dnl Construct a search-list for a nonstandard header/lib-file
3391 dnl $1 = the variable to return as result
3392 dnl $2 = the package name
3393 dnl $3 = the subdirectory, e.g., bin, include or lib
3394 AC_DEFUN([CF_SUBDIR_PATH],
3398 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3400 for cf_subdir_prefix in \
3408 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3411 dnl ---------------------------------------------------------------------------
3412 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3414 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3415 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3416 dnl but some packagers change this, breaking various applications.
3417 AC_DEFUN([CF_TERM_HEADER],[
3418 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3419 case ${cf_cv_ncurses_header} in
3420 (*/ncurses.h|*/ncursesw.h)
3421 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3424 cf_term_header=term.h
3428 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3430 AC_TRY_COMPILE([#include <stdio.h>
3431 #include <${cf_cv_ncurses_header:-curses.h}>
3433 ],[int x = auto_left_margin],[
3434 cf_cv_term_header="$cf_test"],[
3435 cf_cv_term_header=unknown
3437 test "$cf_cv_term_header" != unknown && break
3441 # Set definitions to allow ifdef'ing to accommodate subdirectories
3443 case $cf_cv_term_header in
3445 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3449 case $cf_cv_term_header in
3451 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3454 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3458 dnl ---------------------------------------------------------------------------
3459 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3461 dnl Define a top_builddir symbol, for applications that need an absolute path.
3462 AC_DEFUN([CF_TOP_BUILDDIR],
3464 top_builddir=ifelse($1,,`pwd`,$1)
3465 AC_SUBST(top_builddir)
3467 dnl ---------------------------------------------------------------------------
3468 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3469 dnl -------------------
3470 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3471 dnl can define it successfully.
3472 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3473 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3477 #include <sys/types.h>
3479 #ifndef _XOPEN_SOURCE
3482 [cf_cv_xopen_source=no],
3483 [cf_save="$CPPFLAGS"
3484 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3488 #include <sys/types.h>
3490 #ifdef _XOPEN_SOURCE
3493 [cf_cv_xopen_source=no],
3494 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3499 if test "$cf_cv_xopen_source" != no ; then
3500 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3501 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3502 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3503 CF_ADD_CFLAGS($cf_temp_xopen_source)
3506 dnl ---------------------------------------------------------------------------
3507 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3509 dnl Make an uppercase version of a variable
3510 dnl $1=uppercase($2)
3511 AC_DEFUN([CF_UPPER],
3513 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3515 dnl ---------------------------------------------------------------------------
3516 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3518 dnl Check for multibyte support, and if not found, utf8 compatibility library
3519 AC_DEFUN([CF_UTF8_LIB],
3521 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3522 cf_save_LIBS="$LIBS"
3524 #include <stdlib.h>],[putwc(0,0);],
3525 [cf_cv_utf8_lib=yes],
3527 #include <libutf8.h>],[putwc(0,0);],utf8,
3528 [cf_cv_utf8_lib=add-on],
3529 [cf_cv_utf8_lib=no])
3532 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3534 if test "$cf_cv_utf8_lib" = "add-on" ; then
3535 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3536 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3537 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3538 CF_ADD_LIBS($cf_cv_library_file_utf8)
3541 dnl ---------------------------------------------------------------------------
3542 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3544 dnl Use AC_VERBOSE w/o the warnings
3545 AC_DEFUN([CF_VERBOSE],
3546 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3549 dnl ---------------------------------------------------------------------------
3550 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3552 dnl Check for compiler-support for weak symbols.
3553 dnl This works with "recent" gcc.
3554 AC_DEFUN([CF_WEAK_SYMBOLS],[
3555 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3558 #include <stdio.h>],
3560 #if defined(__GNUC__)
3561 # if defined __USE_ISOC99
3562 # define _cat_pragma(exp) _Pragma(#exp)
3563 # define _weak_pragma(exp) _cat_pragma(weak name)
3565 # define _weak_pragma(exp)
3567 # define _declare(name) __extension__ extern __typeof__(name) name
3568 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3572 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3575 dnl ---------------------------------------------------------------------------
3576 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3577 dnl --------------------
3578 dnl Command-line option to specify the Ada95 compiler.
3579 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3580 AC_MSG_CHECKING(for ada-compiler)
3581 AC_ARG_WITH(ada-compiler,
3582 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3583 [cf_ada_compiler=$withval],
3584 [cf_ada_compiler=gnatmake])
3585 AC_SUBST(cf_ada_compiler)
3586 AC_MSG_RESULT($cf_ada_compiler)
3588 dnl ---------------------------------------------------------------------------
3589 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3590 dnl -------------------
3591 dnl Command-line option to specify where Ada includes will install.
3592 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3593 AC_MSG_CHECKING(for ada-include)
3594 CF_WITH_PATH(ada-include,
3595 [ --with-ada-include=DIR Ada includes are in DIR],
3597 PREFIX/share/ada/adainclude,
3598 [$]prefix/share/ada/adainclude)
3599 AC_SUBST(ADA_INCLUDE)
3600 AC_MSG_RESULT($ADA_INCLUDE)
3602 dnl ---------------------------------------------------------------------------
3603 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3604 dnl -------------------
3605 dnl Command-line option to specify where Ada objects will install.
3606 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3607 AC_MSG_CHECKING(for ada-objects)
3608 CF_WITH_PATH(ada-objects,
3609 [ --with-ada-objects=DIR Ada objects are in DIR],
3611 PREFIX/lib/ada/adalib,
3612 [$]prefix/lib/ada/adalib)
3613 AC_SUBST(ADA_OBJECTS)
3614 AC_MSG_RESULT($ADA_OBJECTS)
3616 dnl ---------------------------------------------------------------------------
3617 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3618 dnl ---------------------
3619 dnl Command-line option to specify if an Ada95 shared-library should be built,
3620 dnl and optionally what its soname should be.
3621 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3622 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3623 AC_ARG_WITH(ada-sharedlib,
3624 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3625 [with_ada_sharedlib=$withval],
3626 [with_ada_sharedlib=no])
3627 AC_MSG_RESULT($with_ada_sharedlib)
3629 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3630 MAKE_ADA_SHAREDLIB="#"
3632 if test "x$with_ada_sharedlib" != xno
3635 if test "x$with_ada_sharedlib" != xyes
3637 ADA_SHAREDLIB="$with_ada_sharedlib"
3641 AC_SUBST(ADA_SHAREDLIB)
3642 AC_SUBST(MAKE_ADA_SHAREDLIB)
3644 dnl ---------------------------------------------------------------------------
3645 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3646 dnl ------------------
3647 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3649 AC_DEFUN([CF_WITH_CURSES_DIR],[
3651 AC_MSG_CHECKING(for specific curses-directory)
3652 AC_ARG_WITH(curses-dir,
3653 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3654 [cf_cv_curses_dir=$withval],
3655 [cf_cv_curses_dir=no])
3656 AC_MSG_RESULT($cf_cv_curses_dir)
3658 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3660 CF_PATH_SYNTAX(withval)
3661 if test -d "$cf_cv_curses_dir"
3663 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3664 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3668 dnl ---------------------------------------------------------------------------
3669 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3670 dnl ------------------
3671 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3672 dnl "lib" prefix, e.g., because it used the dll naming convention.
3674 dnl $1 = variable to set
3675 AC_DEFUN([CF_WITH_LIB_PREFIX],
3677 AC_MSG_CHECKING(if you want to have a library-prefix)
3678 AC_ARG_WITH(lib-prefix,
3679 [ --with-lib-prefix override library-prefix],
3680 [with_lib_prefix=$withval],
3681 [with_lib_prefix=auto])
3682 AC_MSG_RESULT($with_lib_prefix)
3684 if test $with_lib_prefix = auto
3687 elif test $with_lib_prefix = no
3691 LIB_PREFIX=$with_lib_prefix
3694 dnl ---------------------------------------------------------------------------
3695 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3697 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3698 dnl defaulting to yes/no.
3700 dnl $1 = option name
3702 dnl $3 = environment variable to set
3703 dnl $4 = default value, shown in the help-message, must be a constant
3704 dnl $5 = default value, if it's an expression & cannot be in the help-message
3706 AC_DEFUN([CF_WITH_PATH],
3707 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3708 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3709 if ifelse([$5],,true,[test -n "$5"]) ; then
3710 CF_PATH_SYNTAX(withval)
3715 dnl ---------------------------------------------------------------------------
3716 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
3717 dnl -------------------------
3718 dnl Allow the choice of the pkg-config library directory to be overridden.
3719 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3723 AC_MSG_CHECKING(for pkg-config library directory)
3726 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3730 PKG_CONFIG_LIBDIR=no
3731 AC_ARG_WITH(pkg-config-libdir,
3732 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3733 [PKG_CONFIG_LIBDIR=$withval],
3734 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
3736 case x$PKG_CONFIG_LIBDIR in
3740 # Look for the library directory using the same prefix as the executable
3741 if test "x$PKG_CONFIG" = xnone
3745 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3748 # If you don't like using the default architecture, you have to specify the
3749 # intended library directory and corresponding compiler/linker options.
3751 # This case allows for Debian's 2014-flavor of multiarch, along with the
3752 # most common variations before that point. Some other variants spell the
3753 # directory differently, e.g., "pkg-config", and put it in unusual places.
3754 # pkg-config has always been poorly standardized, which is ironic...
3755 case x`(arch) 2>/dev/null` in
3758 $cf_path/lib/*64-linux-gnu \
3766 $cf_path/lib/*-linux-gnu \
3775 for cf_config in $cf_search_path
3777 CF_VERBOSE(checking $cf_config/pkgconfig)
3778 if test -d $cf_config/pkgconfig
3780 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3781 AC_MSG_CHECKING(done)
3790 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
3791 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3794 AC_SUBST(PKG_CONFIG_LIBDIR)
3796 dnl ---------------------------------------------------------------------------
3797 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
3799 dnl Check for POSIX thread library.
3800 AC_DEFUN([CF_WITH_PTHREAD],
3802 AC_MSG_CHECKING(if you want to link with the pthread library)
3803 AC_ARG_WITH(pthread,
3804 [ --with-pthread use POSIX thread library],
3805 [with_pthread=$withval],
3807 AC_MSG_RESULT($with_pthread)
3809 if test "$with_pthread" != no ; then
3810 AC_CHECK_HEADER(pthread.h,[
3811 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3813 for cf_lib_pthread in pthread c_r
3815 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3816 cf_save_LIBS="$LIBS"
3817 CF_ADD_LIB($cf_lib_pthread)
3819 #include <pthread.h>
3821 int rc = pthread_create(0,0,0,0);
3822 int r2 = pthread_mutexattr_settype(0, 0);
3823 ],[with_pthread=yes],[with_pthread=no])
3824 LIBS="$cf_save_LIBS"
3825 AC_MSG_RESULT($with_pthread)
3826 test "$with_pthread" = yes && break
3829 if test "$with_pthread" = yes ; then
3830 CF_ADD_LIB($cf_lib_pthread)
3831 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3833 AC_MSG_ERROR(Cannot link with pthread library)
3838 dnl ---------------------------------------------------------------------------
3839 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3841 dnl For testing, override the derived host system-type which is used to decide
3842 dnl things such as the linker commands used to build shared libraries. This is
3843 dnl normally chosen automatically based on the type of system which you are
3844 dnl building on. We use it for testing the configure script.
3846 dnl This is different from the --host option: it is used only for testing parts
3847 dnl of the configure script which would not be reachable with --host since that
3848 dnl relies on the build environment being real, rather than mocked up.
3849 AC_DEFUN([CF_WITH_SYSTYPE],[
3850 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3851 AC_ARG_WITH(system-type,
3852 [ --with-system-type=XXX test: override derived host system-type],
3853 [AC_MSG_WARN(overriding system type to $withval)
3854 cf_cv_system_name=$withval
3858 dnl ---------------------------------------------------------------------------
3859 dnl CF_XOPEN_SOURCE version: 52 updated: 2016/08/27 12:21:42
3861 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3862 dnl or adapt to the vendor's definitions to get equivalent functionality,
3863 dnl without losing the common non-POSIX features.
3866 dnl $1 is the nominal value for _XOPEN_SOURCE
3867 dnl $2 is the nominal value for _POSIX_C_SOURCE
3868 AC_DEFUN([CF_XOPEN_SOURCE],[
3869 AC_REQUIRE([AC_CANONICAL_HOST])
3871 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3872 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3877 cf_xopen_source="-D_ALL_SOURCE"
3883 cf_xopen_source="-D_APPLE_C_SOURCE"
3886 cf_xopen_source="-D_DARWIN_C_SOURCE"
3889 (freebsd*|dragonfly*)
3890 # 5.x headers associate
3891 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3892 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3893 cf_POSIX_C_SOURCE=200112L
3895 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3898 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3901 cf_xopen_source="-D_HPUX_SOURCE"
3904 cf_xopen_source="-D_SGI_SOURCE"
3907 (linux*|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin)
3911 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3914 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3916 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3919 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3922 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3923 cf_xopen_source="-D_BSD_SOURCE"
3927 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3930 cf_xopen_source="-D_OSF_SOURCE"
3933 cf_xopen_source="-D_QNX_SOURCE"
3936 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3939 cf_xopen_source="-D__EXTENSIONS__"
3940 cf_cv_xopen_source=broken
3942 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3948 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3952 if test -n "$cf_xopen_source" ; then
3953 CF_ADD_CFLAGS($cf_xopen_source,true)
3956 dnl In anything but the default case, we may have system-specific setting
3957 dnl which is still not guaranteed to provide all of the entrypoints that
3958 dnl _XOPEN_SOURCE would yield.
3959 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3960 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3961 AC_TRY_COMPILE([#include <stdlib.h>],[
3962 #ifndef _XOPEN_SOURCE
3965 [cf_XOPEN_SOURCE_set=yes],
3966 [cf_XOPEN_SOURCE_set=no])
3967 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3968 if test $cf_XOPEN_SOURCE_set = yes
3970 AC_TRY_COMPILE([#include <stdlib.h>],[
3971 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3974 [cf_XOPEN_SOURCE_set_ok=yes],
3975 [cf_XOPEN_SOURCE_set_ok=no])
3976 if test $cf_XOPEN_SOURCE_set_ok = no
3978 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)