1 dnl***************************************************************************
2 dnl Copyright (c) 2010-2014,2015 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 1.107 2015/10/10 19:52:33 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 : ${BUILD_OBJEXT:='o'}
509 AC_SUBST(BUILD_CFLAGS)
510 AC_SUBST(BUILD_CPPFLAGS)
511 AC_SUBST(BUILD_LDFLAGS)
513 AC_SUBST(BUILD_EXEEXT)
514 AC_SUBST(BUILD_OBJEXT)
516 dnl ---------------------------------------------------------------------------
517 dnl CF_CC_ENV_FLAGS version: 2 updated: 2015/04/12 15:39:00
519 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
520 dnl into CC. This will not help with broken scripts that wrap the compiler with
521 dnl options, but eliminates a more common category of user confusion.
522 AC_DEFUN([CF_CC_ENV_FLAGS],
524 # This should have been defined by AC_PROG_CC
527 AC_MSG_CHECKING(\$CC variable)
530 AC_MSG_RESULT(broken)
531 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
533 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
534 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
535 CF_ADD_CFLAGS($cf_flags)
542 dnl ---------------------------------------------------------------------------
543 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
545 dnl Determine the default configuration into which we'll install ncurses. This
546 dnl can be overridden by the user's command-line options. There's two items to
548 dnl 1. the prefix (e.g., /usr)
549 dnl 2. the header files (e.g., /usr/include/ncurses)
550 dnl We'll look for a previous installation of ncurses and use the same defaults.
552 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
553 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
554 dnl programs from a vendor's.
555 AC_DEFUN([CF_CFG_DEFAULTS],
557 AC_MSG_CHECKING(for prefix)
558 if test "x$prefix" = "xNONE" ; then
559 case "$cf_cv_system_name" in
560 # non-vendor systems don't have a conflict
561 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
564 (*) prefix=$ac_default_prefix
568 AC_MSG_RESULT($prefix)
570 if test "x$prefix" = "xNONE" ; then
571 AC_MSG_CHECKING(for default include-directory)
572 test -n "$verbose" && echo 1>&AC_FD_MSG
575 $includedir/ncurses \
577 $prefix/include/ncurses \
579 /usr/local/include/ncurses \
583 cf_dir=`eval echo $cf_symbol`
584 if test -f $cf_dir/curses.h ; then
585 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
586 includedir="$cf_symbol"
587 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
591 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
593 AC_MSG_RESULT($includedir)
596 dnl ---------------------------------------------------------------------------
597 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
599 dnl Check if we're accidentally using a cache from a different machine.
600 dnl Derive the system name, as a check for reusing the autoconf cache.
602 dnl If we've packaged config.guess and config.sub, run that (since it does a
603 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
604 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
605 dnl which is useful in cross-compiles.
607 dnl Note: we would use $ac_config_sub, but that is one of the places where
608 dnl autoconf 2.5x broke compatibility with autoconf 2.13
609 AC_DEFUN([CF_CHECK_CACHE],
611 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
612 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
613 system_name="$host_os"
615 system_name="`(uname -s -r) 2>/dev/null`"
616 if test -z "$system_name" ; then
617 system_name="`(hostname) 2>/dev/null`"
620 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
621 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
623 test -z "$system_name" && system_name="$cf_cv_system_name"
624 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
626 if test ".$system_name" != ".$cf_cv_system_name" ; then
627 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
628 AC_MSG_ERROR("Please remove config.cache and try again.")
631 dnl ---------------------------------------------------------------------------
632 dnl CF_CLANG_COMPILER version: 2 updated: 2013/11/19 19:23:35
633 dnl -----------------
634 dnl Check if the given compiler is really clang. clang's C driver defines
635 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
636 dnl not ignore some gcc options.
638 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
639 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
640 dnl the wrappers for gcc and g++ warnings.
642 dnl $1 = GCC (default) or GXX
643 dnl $2 = CLANG_COMPILER (default)
644 dnl $3 = CFLAGS (default) or CXXFLAGS
645 AC_DEFUN([CF_CLANG_COMPILER],[
646 ifelse([$2],,CLANG_COMPILER,[$2])=no
648 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
649 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
650 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
651 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -Qunused-arguments"
657 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
658 cf_save_CFLAGS="$cf_save_CFLAGS -Qunused-arguments"
660 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
661 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
664 dnl ---------------------------------------------------------------------------
665 dnl CF_CURSES_HEADER version: 5 updated: 2015/04/23 20:35:30
667 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
668 dnl variations of ncurses' installs.
670 dnl $1 = ncurses when looking for ncurses, or is empty
671 AC_DEFUN([CF_CURSES_HEADER],[
672 AC_CACHE_CHECK(if we have identified curses headers,cf_cv_ncurses_header,[
673 cf_cv_ncurses_header=none
675 ncurses.h ifelse($1,,,[$1/ncurses.h]) \
676 curses.h ifelse($1,,,[$1/curses.h]) ifelse($1,,[ncurses/ncurses.h ncurses/curses.h])
678 AC_TRY_COMPILE([#include <${cf_header}>],
679 [initscr(); tgoto("?", 0,0)],
680 [cf_cv_ncurses_header=$cf_header; break],[])
684 if test "$cf_cv_ncurses_header" = none ; then
685 AC_MSG_ERROR(No curses header-files found)
688 # cheat, to get the right #define's for HAVE_NCURSES_H, etc.
689 AC_CHECK_HEADERS($cf_cv_ncurses_header)
691 dnl ---------------------------------------------------------------------------
692 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
694 dnl "dirname" is not portable, so we fake it with a shell script.
695 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
696 dnl ---------------------------------------------------------------------------
697 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
699 dnl You can always use "make -n" to see the actual options, but it's hard to
700 dnl pick out/analyze warning messages when the compile-line is long.
703 dnl ECHO_LT - symbol to control if libtool is verbose
704 dnl ECHO_LD - symbol to prefix "cc -o" lines
705 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
706 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
707 dnl ECHO_CC - symbol to put before any "cc" line
709 AC_DEFUN([CF_DISABLE_ECHO],[
710 AC_MSG_CHECKING(if you want to see long compiling messages)
712 [ --disable-echo do not display "compiling" commands],
715 ECHO_LD='@echo linking [$]@;'
716 RULE_CC='@echo compiling [$]<'
717 SHOW_CC='@echo compiling [$]@'
726 AC_MSG_RESULT($enableval)
733 dnl ---------------------------------------------------------------------------
734 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
735 dnl ------------------------
736 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
737 AC_MSG_CHECKING(if we want to use GNAT projects)
738 CF_ARG_DISABLE(gnat-projects,
739 [ --disable-gnat-projects test: disable GNAT projects even if usable],
740 [enable_gnat_projects=no],
741 [enable_gnat_projects=yes])
742 AC_MSG_RESULT($enable_gnat_projects)
744 dnl ---------------------------------------------------------------------------
745 dnl CF_ENABLE_PC_FILES version: 12 updated: 2015/04/17 21:13:04
746 dnl ------------------
747 dnl This is the "--enable-pc-files" option, which is available if there is a
748 dnl pkg-config configuration on the local machine.
749 AC_DEFUN([CF_ENABLE_PC_FILES],[
750 AC_REQUIRE([CF_PKG_CONFIG])
751 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
753 if test "x$PKG_CONFIG" != xnone
755 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
757 AC_MSG_CHECKING(if we should install .pc files)
760 AC_ARG_ENABLE(pc-files,
761 [ --enable-pc-files generate and install .pc files for pkg-config],
762 [enable_pc_files=$enableval],
763 [enable_pc_files=no])
764 AC_MSG_RESULT($enable_pc_files)
766 if test "x$enable_pc_files" != xno
768 case "x$PKG_CONFIG_LIBDIR" in
770 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
774 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
781 AC_SUBST(MAKE_PC_FILES)
783 dnl ---------------------------------------------------------------------------
784 dnl CF_FIND_LIBRARY version: 9 updated: 2008/03/23 14:48:54
786 dnl Look for a non-standard library, given parameters for AC_TRY_LINK. We
787 dnl prefer a standard location, and use -L options only if we do not find the
788 dnl library in the standard library location(s).
789 dnl $1 = library name
790 dnl $2 = library class, usually the same as library name
792 dnl $4 = code fragment to compile/link
793 dnl $5 = corresponding function-name
794 dnl $6 = flag, nonnull if failure should not cause an error-exit
796 dnl Sets the variable "$cf_libdir" as a side-effect, so we can see if we had
797 dnl to use a -L option.
798 AC_DEFUN([CF_FIND_LIBRARY],
800 eval 'cf_cv_have_lib_'$1'=no'
803 eval 'cf_cv_have_lib_'$1'=yes',[
805 AC_MSG_CHECKING(for $5 in -l$1)
807 AC_TRY_LINK([$3],[$4],
809 eval 'cf_cv_have_lib_'$1'=yes'
812 CF_LIBRARY_PATH(cf_search,$2)
813 for cf_libdir in $cf_search
815 AC_MSG_CHECKING(for -l$1 in $cf_libdir)
816 LIBS="-L$cf_libdir -l$1 $cf_save_LIBS"
817 AC_TRY_LINK([$3],[$4],
819 eval 'cf_cv_have_lib_'$1'=yes'
822 LIBS="$cf_save_LIBS"])
826 eval 'cf_found_library=[$]cf_cv_have_lib_'$1
828 if test $cf_found_library = no ; then
829 AC_MSG_ERROR(Cannot link $1 library)
833 dnl ---------------------------------------------------------------------------
834 dnl CF_FIND_LINKAGE version: 20 updated: 2015/04/18 08:56:57
836 dnl Find a library (specifically the linkage used in the code fragment),
837 dnl searching for it if it is not already in the library path.
838 dnl See also CF_ADD_SEARCHPATH.
840 dnl Parameters (4-on are optional):
841 dnl $1 = headers for library entrypoint
842 dnl $2 = code fragment for library entrypoint
843 dnl $3 = the library name without the "-l" option or ".so" suffix.
844 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
845 dnl $5 = action to perform if not successful
846 dnl $6 = module name, if not the same as the library name
847 dnl $7 = extra libraries
849 dnl Sets these variables:
850 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
851 dnl $cf_cv_header_path_$3 - include-directory if needed
852 dnl $cf_cv_library_path_$3 - library-directory if needed
853 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
854 AC_DEFUN([CF_FIND_LINKAGE],[
856 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
857 # will be set on completion of the AC_TRY_LINK below.
858 cf_cv_header_path_$3=
859 cf_cv_library_path_$3=
861 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
865 AC_TRY_LINK([$1],[$2],[
866 cf_cv_find_linkage_$3=yes
867 cf_cv_header_path_$3=/usr/include
868 cf_cv_library_path_$3=/usr/lib
871 LIBS="-l$3 $7 $cf_save_LIBS"
873 AC_TRY_LINK([$1],[$2],[
874 cf_cv_find_linkage_$3=yes
875 cf_cv_header_path_$3=/usr/include
876 cf_cv_library_path_$3=/usr/lib
877 cf_cv_library_file_$3="-l$3"
879 cf_cv_find_linkage_$3=no
882 CF_VERBOSE(find linkage for $3 library)
883 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
885 cf_save_CPPFLAGS="$CPPFLAGS"
886 cf_test_CPPFLAGS="$CPPFLAGS"
888 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
889 for cf_cv_header_path_$3 in $cf_search
891 if test -d $cf_cv_header_path_$3 ; then
892 CF_VERBOSE(... testing $cf_cv_header_path_$3)
893 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
894 AC_TRY_COMPILE([$1],[$2],[
895 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
896 cf_cv_find_linkage_$3=maybe
897 cf_test_CPPFLAGS="$CPPFLAGS"
899 CPPFLAGS="$cf_save_CPPFLAGS"
904 if test "$cf_cv_find_linkage_$3" = maybe ; then
906 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
909 cf_save_LDFLAGS="$LDFLAGS"
912 CPPFLAGS="$cf_test_CPPFLAGS"
913 LIBS="-l$3 $7 $cf_save_LIBS"
914 AC_TRY_LINK([$1],[$2],[
915 CF_VERBOSE(... found $3 library in system)
916 cf_cv_find_linkage_$3=yes])
917 CPPFLAGS="$cf_save_CPPFLAGS"
921 if test "$cf_cv_find_linkage_$3" != yes ; then
922 CF_LIBRARY_PATH(cf_search,$3)
923 for cf_cv_library_path_$3 in $cf_search
925 if test -d $cf_cv_library_path_$3 ; then
926 CF_VERBOSE(... testing $cf_cv_library_path_$3)
927 CPPFLAGS="$cf_test_CPPFLAGS"
928 LIBS="-l$3 $7 $cf_save_LIBS"
929 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
930 AC_TRY_LINK([$1],[$2],[
931 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
932 cf_cv_find_linkage_$3=yes
933 cf_cv_library_file_$3="-l$3"
935 CPPFLAGS="$cf_save_CPPFLAGS"
937 LDFLAGS="$cf_save_LDFLAGS"
941 CPPFLAGS="$cf_save_CPPFLAGS"
942 LDFLAGS="$cf_save_LDFLAGS"
946 cf_cv_find_linkage_$3=no
953 if test "$cf_cv_find_linkage_$3" = yes ; then
955 CF_ADD_INCDIR($cf_cv_header_path_$3)
956 CF_ADD_LIBDIR($cf_cv_library_path_$3)
960 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
963 dnl ---------------------------------------------------------------------------
964 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
965 dnl -----------------
966 dnl make ADAFLAGS consistent with CFLAGS
967 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
968 AC_MSG_CHECKING(optimization options for ADAFLAGS)
976 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
977 CF_ADD_ADAFLAGS($cf_O_flag)
980 AC_MSG_RESULT($ADAFLAGS)
982 dnl ---------------------------------------------------------------------------
983 dnl CF_GCC_ATTRIBUTES version: 17 updated: 2015/04/12 15:39:00
984 dnl -----------------
985 dnl Test for availability of useful gcc __attribute__ directives to quiet
986 dnl compiler warnings. Though useful, not all are supported -- and contrary
987 dnl to documentation, unrecognized directives cause older compilers to barf.
988 AC_DEFUN([CF_GCC_ATTRIBUTES],
992 cat > conftest.i <<EOF
1000 #define GCC_NORETURN /* nothing */
1003 #define GCC_UNUSED /* nothing */
1006 if test "$GCC" = yes
1008 AC_CHECKING([for $CC __attribute__ directives])
1009 cat > conftest.$ac_ext <<EOF
1010 #line __oline__ "${as_me:-configure}"
1011 #include "confdefs.h"
1012 #include "conftest.h"
1013 #include "conftest.i"
1015 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1017 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1020 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1022 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1024 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1025 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1026 extern void foo(void) GCC_NORETURN;
1027 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1029 cf_printf_attribute=no
1030 cf_scanf_attribute=no
1031 for cf_attribute in scanf printf unused noreturn
1033 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1034 cf_directive="__attribute__(($cf_attribute))"
1035 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1037 case $cf_attribute in
1039 cf_printf_attribute=yes
1040 cat >conftest.h <<EOF
1041 #define GCC_$cf_ATTRIBUTE 1
1045 cf_scanf_attribute=yes
1046 cat >conftest.h <<EOF
1047 #define GCC_$cf_ATTRIBUTE 1
1051 cat >conftest.h <<EOF
1052 #define GCC_$cf_ATTRIBUTE $cf_directive
1057 if AC_TRY_EVAL(ac_compile); then
1058 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1059 cat conftest.h >>confdefs.h
1060 case $cf_attribute in
1062 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
1065 cf_value='/* nothing */'
1066 if test "$cf_printf_attribute" != no ; then
1067 cf_value='__attribute__((format(printf,fmt,var)))'
1068 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
1070 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
1073 cf_value='/* nothing */'
1074 if test "$cf_scanf_attribute" != no ; then
1075 cf_value='__attribute__((format(scanf,fmt,var)))'
1076 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
1078 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
1081 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
1087 fgrep define conftest.i >>confdefs.h
1092 dnl ---------------------------------------------------------------------------
1093 dnl CF_GCC_VERSION version: 7 updated: 2012/10/18 06:46:33
1095 dnl Find version of gcc
1096 AC_DEFUN([CF_GCC_VERSION],[
1097 AC_REQUIRE([AC_PROG_CC])
1099 if test "$GCC" = yes ; then
1100 AC_MSG_CHECKING(version of $CC)
1101 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1102 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1103 AC_MSG_RESULT($GCC_VERSION)
1106 dnl ---------------------------------------------------------------------------
1107 dnl CF_GCC_WARNINGS version: 32 updated: 2015/04/12 15:39:00
1109 dnl Check if the compiler supports useful warning options. There's a few that
1110 dnl we don't use, simply because they're too noisy:
1112 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1113 dnl -Wredundant-decls (system headers make this too noisy)
1114 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1115 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1116 dnl is enabled for ncurses using "--enable-const".
1120 dnl $1 is an optional list of gcc warning flags that a particular
1121 dnl application might want to use, e.g., "no-unused" for
1124 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1126 AC_DEFUN([CF_GCC_WARNINGS],
1128 AC_REQUIRE([CF_GCC_VERSION])
1129 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1130 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
1132 cat > conftest.$ac_ext <<EOF
1133 #line __oline__ "${as_me:-configure}"
1134 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1137 if test "$INTEL_COMPILER" = yes
1139 # The "-wdXXX" options suppress warnings:
1140 # remark #1419: external declaration in primary source file
1141 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1142 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1143 # remark #193: zero used for undefined preprocessing identifier
1144 # remark #593: variable "curs_sb_left_arrow" was set but never used
1145 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1146 # remark #869: parameter "tw" was never referenced
1147 # remark #981: operands are evaluated in unspecified order
1148 # warning #279: controlling expression is constant
1150 AC_CHECKING([for $CC warning options])
1151 cf_save_CFLAGS="$CFLAGS"
1152 EXTRA_CFLAGS="-Wall"
1164 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1165 if AC_TRY_EVAL(ac_compile); then
1166 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1167 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1170 CFLAGS="$cf_save_CFLAGS"
1172 elif test "$GCC" = yes
1174 AC_CHECKING([for $CC warning options])
1175 cf_save_CFLAGS="$CFLAGS"
1178 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1179 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
1180 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
1181 for cf_opt in W Wall \
1182 Wbad-function-cast \
1185 Wdeclaration-after-statement \
1188 Wmissing-declarations \
1189 Wmissing-prototypes \
1193 Wstrict-prototypes \
1194 Wundef $cf_gcc_warnings $cf_warn_CONST $1
1196 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1197 if AC_TRY_EVAL(ac_compile); then
1198 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1201 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1204 case $GCC_VERSION in
1206 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1211 case $GCC_VERSION in
1213 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1218 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1221 CFLAGS="$cf_save_CFLAGS"
1225 AC_SUBST(EXTRA_CFLAGS)
1227 dnl ---------------------------------------------------------------------------
1228 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
1229 dnl -----------------
1230 AC_DEFUN([CF_GNATPREP_OPT_T],[
1231 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
1232 cf_cv_gnatprep_opt_t=no
1233 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
1235 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
1236 AC_SUBST(GNATPREP_OPTS)
1238 dnl ---------------------------------------------------------------------------
1239 dnl CF_GNAT_GENERICS version: 3 updated: 2015/04/17 21:13:04
1240 dnl ----------------
1241 AC_DEFUN([CF_GNAT_GENERICS],
1243 AC_REQUIRE([CF_GNAT_VERSION])
1245 AC_MSG_CHECKING(if GNAT supports generics)
1246 case $cf_gnat_version in
1247 (3.[[1-9]]*|[[4-9]].*)
1248 cf_gnat_generics=yes
1254 AC_MSG_RESULT($cf_gnat_generics)
1256 if test "$cf_gnat_generics" = yes
1258 cf_compile_generics=generics
1259 cf_generic_objects="\${GENOBJS}"
1261 cf_compile_generics=
1265 AC_SUBST(cf_compile_generics)
1266 AC_SUBST(cf_generic_objects)
1268 dnl ---------------------------------------------------------------------------
1269 dnl CF_GNAT_PROJECTS version: 8 updated: 2015/04/17 21:13:04
1270 dnl ----------------
1271 dnl GNAT projects are configured with ".gpr" project files.
1272 dnl GNAT libraries are a further development, using the project feature.
1273 AC_DEFUN([CF_GNAT_PROJECTS],
1275 AC_REQUIRE([CF_GNAT_VERSION])
1276 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
1278 cf_gnat_libraries=no
1281 if test "$enable_gnat_projects" != no ; then
1282 AC_MSG_CHECKING(if GNAT supports project files)
1283 case $cf_gnat_version in
1287 case $cf_cv_system_name in
1291 mkdir conftest.src conftest.bin conftest.lib
1293 rm -rf conftest* *~conftest*
1294 cat >>library.gpr <<CF_EOF
1296 Kind := External ("LIB_KIND");
1297 for Library_Name use "ConfTest";
1298 for Object_Dir use ".";
1299 for Library_ALI_Dir use External("LIBRARY_DIR");
1300 for Library_Version use External ("SONAME");
1301 for Library_Kind use Kind;
1302 for Library_Dir use External("BUILD_DIR");
1303 Source_Dir := External ("SOURCE_DIR");
1304 for Source_Dirs use (Source_Dir);
1307 cat >>confpackage.ads <<CF_EOF
1308 package ConfPackage is
1312 cat >>confpackage.adb <<CF_EOF
1314 package body ConfPackage is
1315 procedure conftest is
1317 Text_IO.Put ("Hello World");
1322 if ( $cf_ada_make $ADAFLAGS \
1324 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
1325 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
1326 -XSOURCE_DIR=`pwd` \
1327 -XSONAME=libConfTest.so.1 \
1328 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
1329 cf_gnat_projects=yes
1332 if test -f conftest.lib/confpackage.ali
1334 cf_gnat_libraries=yes
1336 rm -rf conftest* *~conftest*
1341 AC_MSG_RESULT($cf_gnat_projects)
1342 fi # enable_gnat_projects
1344 if test $cf_gnat_projects = yes
1346 AC_MSG_CHECKING(if GNAT supports libraries)
1347 AC_MSG_RESULT($cf_gnat_libraries)
1350 if test "$cf_gnat_projects" = yes
1352 USE_OLD_MAKERULES="#"
1353 USE_GNAT_PROJECTS=""
1355 USE_OLD_MAKERULES=""
1356 USE_GNAT_PROJECTS="#"
1359 if test "$cf_gnat_libraries" = yes
1361 USE_GNAT_LIBRARIES=""
1363 USE_GNAT_LIBRARIES="#"
1366 AC_SUBST(USE_OLD_MAKERULES)
1367 AC_SUBST(USE_GNAT_PROJECTS)
1368 AC_SUBST(USE_GNAT_LIBRARIES)
1370 dnl ---------------------------------------------------------------------------
1371 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
1373 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
1374 dnl is noted that gnat may compile a tasking unit even for configurations which
1375 dnl fail at runtime.
1376 AC_DEFUN([CF_GNAT_SIGINT],[
1377 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
1378 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
1382 pragma Warnings (Off); -- the next pragma exists since 3.11p
1383 pragma Unreserve_All_Interrupts;
1384 pragma Warnings (On);
1386 protected Process is
1388 function Continue return Boolean;
1389 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
1391 Done : Boolean := False;
1395 [package body ConfTest is
1396 protected body Process is
1401 function Continue return Boolean is
1407 [cf_cv_gnat_sigint=yes],
1408 [cf_cv_gnat_sigint=no])])
1410 if test $cf_cv_gnat_sigint = yes ; then
1415 AC_SUBST(USE_GNAT_SIGINT)
1417 dnl ---------------------------------------------------------------------------
1418 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
1419 dnl ----------------
1420 dnl Verify that a test program compiles/links with GNAT.
1421 dnl $cf_ada_make is set to the program that compiles/links
1422 dnl $ADAFLAGS may be set to the GNAT flags.
1424 dnl $1 is the text of the spec
1425 dnl $2 is the text of the body
1426 dnl $3 is the shell command to execute if successful
1427 dnl $4 is the shell command to execute if not successful
1428 AC_DEFUN([CF_GNAT_TRY_LINK],
1430 rm -rf conftest* *~conftest*
1431 cat >>conftest.ads <<CF_EOF
1434 cat >>conftest.adb <<CF_EOF
1437 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1438 ifelse($3,, :,[ $3])
1442 rm -rf conftest* *~conftest*
1444 dnl ---------------------------------------------------------------------------
1445 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
1447 dnl Verify that a test program compiles and runs with GNAT
1448 dnl $cf_ada_make is set to the program that compiles/links
1449 dnl $ADAFLAGS may be set to the GNAT flags.
1451 dnl $1 is the text of the spec
1452 dnl $2 is the text of the body
1453 dnl $3 is the shell command to execute if successful
1454 dnl $4 is the shell command to execute if not successful
1455 AC_DEFUN([CF_GNAT_TRY_RUN],
1457 rm -rf conftest* *~conftest*
1458 cat >>conftest.ads <<CF_EOF
1461 cat >>conftest.adb <<CF_EOF
1464 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
1465 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
1466 ifelse($3,, :,[ $3])
1473 rm -rf conftest* *~conftest*
1475 dnl ---------------------------------------------------------------------------
1476 dnl CF_GNAT_VERSION version: 20 updated: 2015/04/18 08:56:57
1478 dnl Verify version of GNAT.
1479 AC_DEFUN([CF_GNAT_VERSION],
1481 AC_MSG_CHECKING(for gnat version)
1482 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
1483 grep '[[0-9]].[[0-9]][[0-9]]*' |\
1484 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
1485 AC_MSG_RESULT($cf_gnat_version)
1487 case $cf_gnat_version in
1488 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|20[[0-9]][[0-9]])
1489 cf_cv_prog_gnat_correct=yes
1492 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1493 cf_cv_prog_gnat_correct=no
1497 dnl ---------------------------------------------------------------------------
1498 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
1500 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
1501 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
1502 dnl (or misfeature) of glibc2, which breaks portability of many applications,
1503 dnl since it is interwoven with GNU extensions.
1505 dnl Well, yes we could work around it...
1506 AC_DEFUN([CF_GNU_SOURCE],
1508 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
1509 AC_TRY_COMPILE([#include <sys/types.h>],[
1510 #ifndef _XOPEN_SOURCE
1513 [cf_cv_gnu_source=no],
1514 [cf_save="$CPPFLAGS"
1515 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1516 AC_TRY_COMPILE([#include <sys/types.h>],[
1517 #ifdef _XOPEN_SOURCE
1520 [cf_cv_gnu_source=no],
1521 [cf_cv_gnu_source=yes])
1525 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
1527 dnl ---------------------------------------------------------------------------
1528 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
1530 dnl Construct a search-list of directories for a nonstandard header-file
1533 dnl $1 = the variable to return as result
1534 dnl $2 = the package name
1535 AC_DEFUN([CF_HEADER_PATH],
1539 # collect the current set of include-directories from compiler flags
1540 cf_header_path_list=""
1541 if test -n "${CFLAGS}${CPPFLAGS}" ; then
1542 for cf_header_path in $CPPFLAGS $CFLAGS
1544 case $cf_header_path in
1546 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
1547 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
1548 cf_header_path_list="$cf_header_path_list [$]$1"
1554 # add the variations for the package we are looking for
1555 CF_SUBDIR_PATH($1,$2,include)
1557 test "$includedir" != NONE && \
1558 test "$includedir" != "/usr/include" && \
1559 test -d "$includedir" && {
1560 test -d $includedir && $1="[$]$1 $includedir"
1561 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
1564 test "$oldincludedir" != NONE && \
1565 test "$oldincludedir" != "/usr/include" && \
1566 test -d "$oldincludedir" && {
1567 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
1568 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
1571 $1="[$]$1 $cf_header_path_list"
1573 dnl ---------------------------------------------------------------------------
1574 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
1576 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
1577 AC_DEFUN([CF_HELP_MESSAGE],
1578 [AC_DIVERT_HELP([$1])dnl
1580 dnl ---------------------------------------------------------------------------
1581 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
1583 dnl Construct the list of include-options according to whether we're building
1584 dnl in the source directory or using '--srcdir=DIR' option.
1585 AC_DEFUN([CF_INCLUDE_DIRS],
1587 if test "$srcdir" != "."; then
1588 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
1590 CPPFLAGS="-I../include $CPPFLAGS"
1591 if test "$srcdir" != "."; then
1592 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
1594 CPPFLAGS="-I. $CPPFLAGS"
1597 dnl ---------------------------------------------------------------------------
1598 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
1599 dnl -----------------
1600 dnl Check if the given compiler is really the Intel compiler for Linux. It
1601 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
1602 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
1604 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1605 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1606 dnl the wrappers for gcc and g++ warnings.
1608 dnl $1 = GCC (default) or GXX
1609 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
1610 dnl $3 = CFLAGS (default) or CXXFLAGS
1611 AC_DEFUN([CF_INTEL_COMPILER],[
1612 AC_REQUIRE([AC_CANONICAL_HOST])
1613 ifelse([$2],,INTEL_COMPILER,[$2])=no
1615 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1618 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
1619 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1620 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
1622 #ifdef __INTEL_COMPILER
1626 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
1627 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
1629 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1630 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
1635 dnl ---------------------------------------------------------------------------
1636 dnl CF_LARGEFILE version: 9 updated: 2015/04/18 08:56:57
1638 dnl Add checks for large file support.
1639 AC_DEFUN([CF_LARGEFILE],[
1640 ifdef([AC_FUNC_FSEEKO],[
1642 if test "$enable_largefile" != no ; then
1645 # Normally we would collect these definitions in the config.h,
1646 # but (like _XOPEN_SOURCE), some environments rely on having these
1647 # defined before any of the system headers are included. Another
1648 # case comes up with C++, e.g., on AIX the compiler compiles the
1649 # header files by themselves before looking at the body files it is
1650 # told to compile. For ncurses, those header files do not include
1652 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
1653 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
1654 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
1656 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
1658 #include <sys/types.h>
1661 /* if transitional largefile support is setup, this is true */
1662 extern struct dirent64 * readdir(DIR *);
1663 struct dirent64 *x = readdir((DIR *)0);
1664 struct dirent *y = readdir((DIR *)0);
1667 [cf_cv_struct_dirent64=yes],
1668 [cf_cv_struct_dirent64=no])
1670 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
1674 dnl ---------------------------------------------------------------------------
1675 dnl CF_LD_RPATH_OPT version: 6 updated: 2015/04/12 15:39:00
1677 dnl For the given system and compiler, find the compiler flags to pass to the
1678 dnl loader to use the "rpath" feature.
1679 AC_DEFUN([CF_LD_RPATH_OPT],
1681 AC_REQUIRE([CF_CHECK_CACHE])
1684 AC_MSG_CHECKING(for an rpath option)
1685 case $cf_cv_system_name in
1687 if test "$GCC" = yes; then
1688 LD_RPATH_OPT="-Wl,-rpath,"
1690 LD_RPATH_OPT="-rpath "
1693 (linux*|gnu*|k*bsd*-gnu)
1694 LD_RPATH_OPT="-Wl,-rpath,"
1696 (openbsd[[2-9]].*|mirbsd*)
1697 LD_RPATH_OPT="-Wl,-rpath,"
1699 (dragonfly*|freebsd*)
1700 LD_RPATH_OPT="-rpath "
1703 LD_RPATH_OPT="-Wl,-rpath,"
1706 LD_RPATH_OPT="-rpath "
1714 AC_MSG_RESULT($LD_RPATH_OPT)
1716 case "x$LD_RPATH_OPT" in
1718 AC_MSG_CHECKING(if we need a space after rpath option)
1719 cf_save_LIBS="$LIBS"
1720 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
1721 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
1722 LIBS="$cf_save_LIBS"
1723 AC_MSG_RESULT($cf_rpath_space)
1724 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
1728 dnl ---------------------------------------------------------------------------
1729 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
1731 dnl Construct a search-list of directories for a nonstandard library-file
1734 dnl $1 = the variable to return as result
1735 dnl $2 = the package name
1736 AC_DEFUN([CF_LIBRARY_PATH],
1739 cf_library_path_list=""
1740 if test -n "${LDFLAGS}${LIBS}" ; then
1741 for cf_library_path in $LDFLAGS $LIBS
1743 case $cf_library_path in
1745 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
1746 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
1747 cf_library_path_list="$cf_library_path_list [$]$1"
1753 CF_SUBDIR_PATH($1,$2,lib)
1755 $1="$cf_library_path_list [$]$1"
1757 dnl ---------------------------------------------------------------------------
1758 dnl CF_LIB_PREFIX version: 11 updated: 2015/04/18 08:56:57
1760 dnl Compute the library-prefix for the given host system
1761 dnl $1 = variable to set
1762 define([CF_LIB_PREFIX],
1764 case $cf_cv_system_name in
1768 (*) LIB_PREFIX='lib'
1771 ifelse($1,,,[$1=$LIB_PREFIX])
1772 AC_SUBST(LIB_PREFIX)
1774 dnl ---------------------------------------------------------------------------
1775 dnl CF_LIB_SUFFIX version: 25 updated: 2015/04/17 21:13:04
1777 dnl Compute the library file-suffix from the given model name
1779 dnl $2 = variable to set (the nominal library suffix)
1780 dnl $3 = dependency variable to set (actual filename)
1781 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1782 AC_DEFUN([CF_LIB_SUFFIX],
1798 case $cf_cv_system_name in
1803 (cygwin*|msys*|mingw*)
1834 if test -n "${LIB_SUFFIX}${EXTRA_SUFFIX}"
1836 $2="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$2}"
1837 $3="${LIB_SUFFIX}${EXTRA_SUFFIX}[$]{$3}"
1840 dnl ---------------------------------------------------------------------------
1841 dnl CF_LIB_TYPE version: 5 updated: 2015/04/17 21:13:04
1843 dnl Compute the string to append to -library from the given model name
1845 dnl $2 = variable to set
1846 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
1847 AC_DEFUN([CF_LIB_TYPE],
1853 (profile) $2='_p' ;;
1856 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
1858 dnl ---------------------------------------------------------------------------
1859 dnl CF_LINK_DATAONLY version: 10 updated: 2012/10/06 17:41:51
1860 dnl ----------------
1861 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
1862 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
1863 dnl have to provide wrappers for global tables to ensure they're linked
1865 AC_DEFUN([CF_LINK_DATAONLY],
1867 AC_MSG_CHECKING([if data-only library module links])
1868 AC_CACHE_VAL(cf_cv_link_dataonly,[
1870 cat >conftest.$ac_ext <<EOF
1871 #line __oline__ "configure"
1872 int testdata[[3]] = { 123, 456, 789 };
1874 if AC_TRY_EVAL(ac_compile) ; then
1875 mv conftest.o data.o && \
1876 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
1878 rm -f conftest.$ac_ext data.o
1879 cat >conftest.$ac_ext <<EOF
1880 #line __oline__ "configure"
1884 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
1886 extern int testdata[[3]];
1887 return testdata[[0]] == 123
1888 && testdata[[1]] == 456
1889 && testdata[[2]] == 789;
1893 if AC_TRY_EVAL(ac_compile); then
1894 mv conftest.o func.o && \
1895 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
1897 rm -f conftest.$ac_ext func.o
1898 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
1900 LIBS="conftest.a $LIBS"
1904 extern int testfunc();
1905 ${cf_cv_main_return:-return} (!testfunc());
1908 [cf_cv_link_dataonly=yes],
1909 [cf_cv_link_dataonly=no],
1910 [cf_cv_link_dataonly=unknown])
1913 AC_MSG_RESULT($cf_cv_link_dataonly)
1915 if test "$cf_cv_link_dataonly" = no ; then
1916 AC_DEFINE(BROKEN_LINKER,1,[if data-only library module does not link])
1921 dnl ---------------------------------------------------------------------------
1922 dnl CF_MAKEFLAGS version: 17 updated: 2015/08/05 20:44:28
1924 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
1925 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
1926 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
1927 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
1928 AC_DEFUN([CF_MAKEFLAGS],
1930 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
1932 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
1934 cat >cf_makeflags.tmp <<CF_EOF
1937 @ echo '.$cf_option'
1939 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
1940 case "$cf_result" in
1942 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
1943 case "$cf_result" in
1944 (.*CC=*) cf_cv_makeflags=
1946 (*) cf_cv_makeflags=$cf_option
1952 (*) echo "given option \"$cf_option\", no match \"$cf_result\""
1956 rm -f cf_makeflags.tmp
1959 AC_SUBST(cf_cv_makeflags)
1961 dnl ---------------------------------------------------------------------------
1962 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
1964 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
1965 dnl a monocase filesystem.
1966 AC_DEFUN([CF_MAKE_TAGS],[
1967 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
1969 AC_CHECK_PROGS(CTAGS, exctags ctags)
1970 AC_CHECK_PROGS(ETAGS, exetags etags)
1972 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
1974 if test "$cf_cv_mixedcase" = yes ; then
1975 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
1980 if test "$MAKE_UPPER_TAGS" = yes ; then
1986 if test "$MAKE_LOWER_TAGS" = yes ; then
1995 AC_SUBST(MAKE_UPPER_TAGS)
1996 AC_SUBST(MAKE_LOWER_TAGS)
1998 dnl ---------------------------------------------------------------------------
1999 dnl CF_MIXEDCASE_FILENAMES version: 7 updated: 2015/04/12 15:39:00
2000 dnl ----------------------
2001 dnl Check if the file-system supports mixed-case filenames. If we're able to
2002 dnl create a lowercase name and see it as uppercase, it doesn't support that.
2003 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
2005 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
2006 if test "$cross_compiling" = yes ; then
2007 case $target_alias in
2008 (*-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-msys*|*-mingw*|*-uwin*)
2016 rm -f conftest CONFTEST
2018 if test -f CONFTEST ; then
2023 rm -f conftest CONFTEST
2026 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
2028 dnl ---------------------------------------------------------------------------
2029 dnl CF_MKSTEMP version: 9 updated: 2012/10/03 04:34:49
2031 dnl Check for a working mkstemp. This creates two files, checks that they are
2032 dnl successfully created and distinct (AmigaOS apparently fails on the last).
2033 AC_DEFUN([CF_MKSTEMP],[
2034 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
2037 #include <sys/types.h>
2041 #include <sys/stat.h>
2044 char *tmpl = "conftestXXXXXX";
2052 for (n = 0; n < 2; ++n) {
2053 strcpy(name[n], tmpl);
2054 if ((fd = mkstemp(name[n])) >= 0) {
2055 if (!strcmp(name[n], tmpl)
2056 || stat(name[n], &sb) != 0
2057 || (sb.st_mode & S_IFMT) != S_IFREG
2058 || (sb.st_mode & 077) != 0) {
2065 && !strcmp(name[0], name[1]))
2067 ${cf_cv_main_return:-return}(result);
2069 ],[cf_cv_func_mkstemp=yes
2070 ],[cf_cv_func_mkstemp=no
2071 ],[cf_cv_func_mkstemp=maybe])
2073 if test "x$cf_cv_func_mkstemp" = xmaybe ; then
2074 AC_CHECK_FUNC(mkstemp)
2076 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
2077 AC_DEFINE(HAVE_MKSTEMP,1,[Define to 1 if mkstemp() is available and working.])
2080 dnl ---------------------------------------------------------------------------
2081 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
2083 dnl Write a debug message to config.log, along with the line number in the
2084 dnl configure script.
2085 AC_DEFUN([CF_MSG_LOG],[
2086 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
2088 dnl ---------------------------------------------------------------------------
2089 dnl CF_NCURSES_ADDON version: 5 updated: 2015/04/26 18:06:58
2090 dnl ----------------
2091 dnl Configure an ncurses add-on, built outside the ncurses tree.
2092 AC_DEFUN([CF_NCURSES_ADDON],[
2093 AC_REQUIRE([CF_NCURSES_CONFIG])
2095 AC_PROVIDE([CF_SUBST_NCURSES_VERSION])
2097 AC_MSG_CHECKING(if you want wide-character code)
2098 AC_ARG_ENABLE(widec,
2099 [ --enable-widec compile with wide-char/UTF-8 code],
2100 [with_widec=$enableval],
2102 AC_MSG_RESULT($with_widec)
2103 if test "$with_widec" = yes ; then
2105 CF_NCURSES_CONFIG(ncursesw)
2107 CF_NCURSES_CONFIG(ncurses)
2110 if test "$NCURSES_CONFIG_PKG" != none ; then
2111 cf_version=`$PKG_CONFIG --modversion $NCURSES_CONFIG_PKG 2>/dev/null`
2113 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2114 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2115 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2117 cf_cv_abi_version=`$PKG_CONFIG --variable=abi_version $NCURSES_CONFIG_PKG 2>/dev/null`
2118 if test -z "$cf_cv_abi_version"
2120 cf_cv_abi_version=`$PKG_CONFIG --variable=major_version $NCURSES_CONFIG_PKG 2>/dev/null`
2123 elif test "$NCURSES_CONFIG" != none ; then
2125 cf_version=`$NCURSES_CONFIG --version 2>/dev/null`
2127 NCURSES_MAJOR=`echo "$cf_version" | sed -e 's/\..*//'`
2128 NCURSES_MINOR=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.//' -e 's/\..*//'`
2129 NCURSES_PATCH=`echo "$cf_version" | sed -e 's/^[[0-9]][[0-9]]*\.[[0-9]][[0-9]]*\.//'`
2131 # ABI version is not available from headers
2132 cf_cv_abi_version=`$NCURSES_CONFIG --abi-version 2>/dev/null`
2136 for cf_name in MAJOR MINOR PATCH
2138 cat >conftest.$ac_ext <<CF_EOF
2139 #include <${cf_cv_ncurses_header:-curses.h}>
2140 AUTOCONF_$cf_name NCURSES_VERSION_$cf_name
2142 cf_try="$ac_cpp conftest.$ac_ext 2>&5 | fgrep AUTOCONF_$cf_name >conftest.out"
2144 if test -f conftest.out ; then
2145 cf_result=`cat conftest.out | sed -e "s/^.*AUTOCONF_$cf_name[[ ]][[ ]]*//"`
2146 eval NCURSES_$cf_name=\"$cf_result\"
2147 # cat conftest.$ac_ext
2152 cf_cv_abi_version=${NCURSES_MAJOR}
2156 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
2158 dnl Show the computed version, for logging
2159 cf_cv_timestamp=`date`
2161 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
2163 dnl We need these values in the generated headers
2164 AC_SUBST(NCURSES_MAJOR)
2165 AC_SUBST(NCURSES_MINOR)
2166 AC_SUBST(NCURSES_PATCH)
2168 dnl We need these values in the generated makefiles
2169 AC_SUBST(cf_cv_rel_version)
2170 AC_SUBST(cf_cv_abi_version)
2172 dnl FIXME - not needed for Ada95
2173 AC_SUBST(cf_cv_builtin_bool)
2174 AC_SUBST(cf_cv_header_stdbool_h)
2175 AC_SUBST(cf_cv_type_of_bool)dnl
2178 dnl ---------------------------------------------------------------------------
2179 dnl CF_NCURSES_CC_CHECK version: 4 updated: 2007/07/29 10:39:05
2180 dnl -------------------
2181 dnl Check if we can compile with ncurses' header file
2182 dnl $1 is the cache variable to set
2183 dnl $2 is the header-file to include
2184 dnl $3 is the root name (ncurses or ncursesw)
2185 AC_DEFUN([CF_NCURSES_CC_CHECK],[
2187 ]ifelse($3,ncursesw,[
2188 #define _XOPEN_SOURCE_EXTENDED
2189 #undef HAVE_LIBUTF8_H /* in case we used CF_UTF8_LIB */
2190 #define HAVE_LIBUTF8_H /* to force ncurses' header file to use cchar_t */
2193 #ifdef NCURSES_VERSION
2194 ]ifelse($3,ncursesw,[
2199 printf("%s\n", NCURSES_VERSION);
2211 dnl ---------------------------------------------------------------------------
2212 dnl CF_NCURSES_CONFIG version: 17 updated: 2015/07/07 04:22:07
2213 dnl -----------------
2214 dnl Tie together the configure-script macros for ncurses, preferring these in
2216 dnl a) ".pc" files for pkg-config, using $NCURSES_CONFIG_PKG
2217 dnl b) the "-config" script from ncurses, using $NCURSES_CONFIG
2218 dnl c) just plain libraries
2220 dnl $1 is the root library name (default: "ncurses")
2221 AC_DEFUN([CF_NCURSES_CONFIG],[
2222 AC_REQUIRE([CF_PKG_CONFIG])
2223 cf_ncuconfig_root=ifelse($1,,ncurses,$1)
2224 cf_have_ncuconfig=no
2226 if test "x${PKG_CONFIG:=none}" != xnone; then
2227 AC_MSG_CHECKING(pkg-config for $cf_ncuconfig_root)
2228 if "$PKG_CONFIG" --exists $cf_ncuconfig_root ; then
2231 AC_MSG_CHECKING(if the $cf_ncuconfig_root package files work)
2232 cf_have_ncuconfig=unknown
2234 cf_save_CPPFLAGS="$CPPFLAGS"
2235 cf_save_LIBS="$LIBS"
2237 CPPFLAGS="$CPPFLAGS `$PKG_CONFIG --cflags $cf_ncuconfig_root`"
2238 CF_ADD_LIBS(`$PKG_CONFIG --libs $cf_ncuconfig_root`)
2240 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2241 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2242 [AC_TRY_RUN([#include <${cf_cv_ncurses_header:-curses.h}>
2244 { char *xx = curses_version(); return (xx == 0); }],
2245 [cf_have_ncuconfig=yes],
2246 [cf_have_ncuconfig=no],
2247 [cf_have_ncuconfig=maybe])],
2248 [cf_have_ncuconfig=no])
2249 AC_MSG_RESULT($cf_have_ncuconfig)
2250 test "$cf_have_ncuconfig" = maybe && cf_have_ncuconfig=yes
2251 if test "$cf_have_ncuconfig" != "yes"
2253 CPPFLAGS="$cf_save_CPPFLAGS"
2254 LIBS="$cf_save_LIBS"
2255 NCURSES_CONFIG_PKG=none
2257 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2258 NCURSES_CONFIG_PKG=$cf_ncuconfig_root
2263 NCURSES_CONFIG_PKG=none
2266 NCURSES_CONFIG_PKG=none
2269 if test "x$cf_have_ncuconfig" = "xno"; then
2270 echo "Looking for ${cf_ncuconfig_root}-config"
2272 CF_ACVERSION_CHECK(2.52,
2273 [AC_CHECK_TOOLS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)],
2274 [AC_PATH_PROGS(NCURSES_CONFIG, ${cf_ncuconfig_root}-config ${cf_ncuconfig_root}6-config ${cf_ncuconfig_root}5-config, none)])
2276 if test "$NCURSES_CONFIG" != none ; then
2278 CPPFLAGS="$CPPFLAGS `$NCURSES_CONFIG --cflags`"
2279 CF_ADD_LIBS(`$NCURSES_CONFIG --libs`)
2281 # even with config script, some packages use no-override for curses.h
2282 CF_CURSES_HEADER(ifelse($1,,ncurses,$1))
2284 dnl like CF_NCURSES_CPPFLAGS
2285 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2287 dnl like CF_NCURSES_LIBS
2288 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_ncuconfig_root)
2289 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2291 dnl like CF_NCURSES_VERSION
2292 cf_cv_ncurses_version=`$NCURSES_CONFIG --version`
2296 CF_NCURSES_CPPFLAGS(ifelse($1,,ncurses,$1))
2297 CF_NCURSES_LIBS(ifelse($1,,ncurses,$1))
2304 dnl ---------------------------------------------------------------------------
2305 dnl CF_NCURSES_CPPFLAGS version: 21 updated: 2012/10/06 08:57:51
2306 dnl -------------------
2307 dnl Look for the SVr4 curses clone 'ncurses' in the standard places, adjusting
2308 dnl the CPPFLAGS variable so we can include its header.
2310 dnl The header files may be installed as either curses.h, or ncurses.h (would
2311 dnl be obsolete, except that some packagers prefer this name to distinguish it
2312 dnl from a "native" curses implementation). If not installed for overwrite,
2313 dnl the curses.h file would be in an ncurses subdirectory (e.g.,
2314 dnl /usr/include/ncurses), but someone may have installed overwriting the
2315 dnl vendor's curses. Only very old versions (pre-1.9.2d, the first autoconf'd
2316 dnl version) of ncurses don't define either __NCURSES_H or NCURSES_VERSION in
2319 dnl If the installer has set $CFLAGS or $CPPFLAGS so that the ncurses header
2320 dnl is already in the include-path, don't even bother with this, since we cannot
2321 dnl easily determine which file it is. In this case, it has to be <curses.h>.
2323 dnl The optional parameter gives the root name of the library, in case it is
2324 dnl not installed as the default curses library. That is how the
2325 dnl wide-character version of ncurses is installed.
2326 AC_DEFUN([CF_NCURSES_CPPFLAGS],
2327 [AC_REQUIRE([CF_WITH_CURSES_DIR])
2329 AC_PROVIDE([CF_CURSES_CPPFLAGS])dnl
2330 cf_ncuhdr_root=ifelse($1,,ncurses,$1)
2332 test -n "$cf_cv_curses_dir" && \
2333 test "$cf_cv_curses_dir" != "no" && { \
2334 CF_ADD_INCDIR($cf_cv_curses_dir/include/$cf_ncuhdr_root)
2337 AC_CACHE_CHECK(for $cf_ncuhdr_root header in include-path, cf_cv_ncurses_h,[
2338 cf_header_list="$cf_ncuhdr_root/curses.h $cf_ncuhdr_root/ncurses.h"
2339 ( test "$cf_ncuhdr_root" = ncurses || test "$cf_ncuhdr_root" = ncursesw ) && cf_header_list="$cf_header_list curses.h ncurses.h"
2340 for cf_header in $cf_header_list
2342 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h,$cf_header,$1)
2343 test "$cf_cv_ncurses_h" != no && break
2350 # some applications need this, but should check for NCURSES_VERSION
2351 AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2355 dnl ---------------------------------------------------------------------------
2356 dnl CF_NCURSES_HEADER version: 4 updated: 2015/04/15 19:08:48
2357 dnl -----------------
2358 dnl Find a "curses" header file, e.g,. "curses.h", or one of the more common
2359 dnl variations of ncurses' installs.
2361 dnl See also CF_CURSES_HEADER, which sets the same cache variable.
2362 AC_DEFUN([CF_NCURSES_HEADER],[
2364 if test "$cf_cv_ncurses_h" != no ; then
2365 cf_cv_ncurses_header=$cf_cv_ncurses_h
2368 AC_CACHE_CHECK(for $cf_ncuhdr_root include-path, cf_cv_ncurses_h2,[
2369 test -n "$verbose" && echo
2370 CF_HEADER_PATH(cf_search,$cf_ncuhdr_root)
2371 test -n "$verbose" && echo search path $cf_search
2372 cf_save2_CPPFLAGS="$CPPFLAGS"
2373 for cf_incdir in $cf_search
2375 CF_ADD_INCDIR($cf_incdir)
2380 CF_NCURSES_CC_CHECK(cf_cv_ncurses_h2,$cf_header,$1)
2381 if test "$cf_cv_ncurses_h2" != no ; then
2382 cf_cv_ncurses_h2=$cf_incdir/$cf_header
2383 test -n "$verbose" && echo $ac_n " ... found $ac_c" 1>&AC_FD_MSG
2386 test -n "$verbose" && echo " ... tested $cf_incdir/$cf_header" 1>&AC_FD_MSG
2388 CPPFLAGS="$cf_save2_CPPFLAGS"
2389 test "$cf_cv_ncurses_h2" != no && break
2391 test "$cf_cv_ncurses_h2" = no && AC_MSG_ERROR(not found)
2394 CF_DIRNAME(cf_1st_incdir,$cf_cv_ncurses_h2)
2395 cf_cv_ncurses_header=`basename $cf_cv_ncurses_h2`
2396 if test `basename $cf_1st_incdir` = $cf_ncuhdr_root ; then
2397 cf_cv_ncurses_header=$cf_ncuhdr_root/$cf_cv_ncurses_header
2399 CF_ADD_INCDIR($cf_1st_incdir)
2403 # Set definitions to allow ifdef'ing for ncurses.h
2405 case $cf_cv_ncurses_header in
2407 AC_DEFINE(HAVE_NCURSES_H,1,[Define to 1 if we have ncurses.h])
2411 case $cf_cv_ncurses_header in
2412 (ncurses/curses.h|ncurses/ncurses.h)
2413 AC_DEFINE(HAVE_NCURSES_NCURSES_H,1,[Define to 1 if we have ncurses/ncurses.h])
2415 (ncursesw/curses.h|ncursesw/ncurses.h)
2416 AC_DEFINE(HAVE_NCURSESW_NCURSES_H,1,[Define to 1 if we have ncursesw/ncurses.h])
2421 dnl ---------------------------------------------------------------------------
2422 dnl CF_NCURSES_LIBS version: 17 updated: 2015/04/15 19:08:48
2424 dnl Look for the ncurses library. This is a little complicated on Linux,
2425 dnl because it may be linked with the gpm (general purpose mouse) library.
2426 dnl Some distributions have gpm linked with (bsd) curses, which makes it
2427 dnl unusable with ncurses. However, we don't want to link with gpm unless
2428 dnl ncurses has a dependency, since gpm is normally set up as a shared library,
2429 dnl and the linker will record a dependency.
2431 dnl The optional parameter gives the root name of the library, in case it is
2432 dnl not installed as the default curses library. That is how the
2433 dnl wide-character version of ncurses is installed.
2434 AC_DEFUN([CF_NCURSES_LIBS],
2435 [AC_REQUIRE([CF_NCURSES_CPPFLAGS])
2437 cf_nculib_root=ifelse($1,,ncurses,$1)
2438 # This works, except for the special case where we find gpm, but
2439 # ncurses is in a nonstandard location via $LIBS, and we really want
2442 cf_ncurses_SAVE="$LIBS"
2443 AC_CHECK_LIB(gpm,Gpm_Open,
2444 [AC_CHECK_LIB(gpm,initscr,
2445 [LIBS="$cf_ncurses_SAVE"],
2446 [cf_ncurses_LIBS="-lgpm"])])
2450 # This is only necessary if you are linking against an obsolete
2451 # version of ncurses (but it should do no harm, since it's static).
2452 if test "$cf_nculib_root" = ncurses ; then
2453 AC_CHECK_LIB(mytinfo,tgoto,[cf_ncurses_LIBS="-lmytinfo $cf_ncurses_LIBS"])
2458 CF_ADD_LIBS($cf_ncurses_LIBS)
2460 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
2462 CF_ADD_LIBS(-l$cf_nculib_root)
2464 CF_FIND_LIBRARY($cf_nculib_root,$cf_nculib_root,
2465 [#include <${cf_cv_ncurses_header:-curses.h}>],
2470 if test -n "$cf_ncurses_LIBS" ; then
2471 AC_MSG_CHECKING(if we can link $cf_nculib_root without $cf_ncurses_LIBS)
2472 cf_ncurses_SAVE="$LIBS"
2473 for p in $cf_ncurses_LIBS ; do
2474 q=`echo $LIBS | sed -e "s%$p %%" -e "s%$p$%%"`
2475 if test "$q" != "$LIBS" ; then
2479 AC_TRY_LINK([#include <${cf_cv_ncurses_header:-curses.h}>],
2480 [initscr(); mousemask(0,0); tgoto((char *)0, 0, 0);],
2481 [AC_MSG_RESULT(yes)],
2483 LIBS="$cf_ncurses_SAVE"])
2486 CF_UPPER(cf_nculib_ROOT,HAVE_LIB$cf_nculib_root)
2487 AC_DEFINE_UNQUOTED($cf_nculib_ROOT)
2489 dnl ---------------------------------------------------------------------------
2490 dnl CF_NCURSES_VERSION version: 14 updated: 2012/10/06 08:57:51
2491 dnl ------------------
2492 dnl Check for the version of ncurses, to aid in reporting bugs, etc.
2493 dnl Call CF_CURSES_CPPFLAGS first, or CF_NCURSES_CPPFLAGS. We don't use
2494 dnl AC_REQUIRE since that does not work with the shell's if/then/else/fi.
2495 AC_DEFUN([CF_NCURSES_VERSION],
2497 AC_REQUIRE([CF_CURSES_CPPFLAGS])dnl
2498 AC_CACHE_CHECK(for ncurses version, cf_cv_ncurses_version,[
2499 cf_cv_ncurses_version=no
2503 #include <${cf_cv_ncurses_header:-curses.h}>
2507 FILE *fp = fopen("$cf_tempfile", "w");
2508 #ifdef NCURSES_VERSION
2509 # ifdef NCURSES_VERSION_PATCH
2510 fprintf(fp, "%s.%d\n", NCURSES_VERSION, NCURSES_VERSION_PATCH);
2512 fprintf(fp, "%s\n", NCURSES_VERSION);
2516 fprintf(fp, "old\n");
2521 ${cf_cv_main_return:-return}(0);
2523 cf_cv_ncurses_version=`cat $cf_tempfile`],,[
2525 # This will not work if the preprocessor splits the line after the
2526 # Autoconf token. The 'unproto' program does that.
2527 cat > conftest.$ac_ext <<EOF
2528 #include <${cf_cv_ncurses_header:-curses.h}>
2530 #ifdef NCURSES_VERSION
2531 Autoconf NCURSES_VERSION
2539 cf_try="$ac_cpp conftest.$ac_ext 2>&AC_FD_CC | grep '^Autoconf ' >conftest.out"
2541 if test -f conftest.out ; then
2542 cf_out=`cat conftest.out | sed -e 's%^Autoconf %%' -e 's%^[[^"]]*"%%' -e 's%".*%%'`
2543 test -n "$cf_out" && cf_cv_ncurses_version="$cf_out"
2549 test "$cf_cv_ncurses_version" = no || AC_DEFINE(NCURSES,1,[Define to 1 if we are using ncurses headers/libraries])
2551 dnl ---------------------------------------------------------------------------
2552 dnl CF_OBJ_SUBDIR version: 7 updated: 2015/04/17 21:13:04
2554 dnl Compute the object-directory name from the given model name
2555 AC_DEFUN([CF_OBJ_SUBDIR],
2558 (libtool) $2='obj_lo' ;;
2559 (normal) $2='objects' ;;
2560 (debug) $2='obj_g' ;;
2561 (profile) $2='obj_p' ;;
2563 case $cf_cv_system_name in
2571 dnl ---------------------------------------------------------------------------
2572 dnl CF_PATHSEP version: 7 updated: 2015/04/12 15:39:00
2574 dnl Provide a value for the $PATH and similar separator (or amend the value
2575 dnl as provided in autoconf 2.5x).
2576 AC_DEFUN([CF_PATHSEP],
2578 AC_MSG_CHECKING(for PATH separator)
2579 case $cf_cv_system_name in
2580 (os2*) PATH_SEPARATOR=';' ;;
2581 (*) ${PATH_SEPARATOR:=':'} ;;
2583 ifelse([$1],,,[$1=$PATH_SEPARATOR])
2584 AC_SUBST(PATH_SEPARATOR)
2585 AC_MSG_RESULT($PATH_SEPARATOR)
2587 dnl ---------------------------------------------------------------------------
2588 dnl CF_PATH_SYNTAX version: 16 updated: 2015/04/18 08:56:57
2590 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
2591 dnl begins with one of the prefix/exec_prefix variables, and then again if the
2592 dnl result begins with 'NONE'. This is necessary to work around autoconf's
2593 dnl delayed evaluation of those symbols.
2594 AC_DEFUN([CF_PATH_SYNTAX],[
2595 if test "x$prefix" != xNONE; then
2596 cf_path_syntax="$prefix"
2598 cf_path_syntax="$ac_default_prefix"
2602 (.\[$]\(*\)*|.\'*\'*)
2606 (.[[a-zA-Z]]:[[\\/]]*) # OS/2 EMX
2608 (.\[$]{*prefix}*|.\[$]{*dir}*)
2612 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2617 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
2620 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
2624 dnl ---------------------------------------------------------------------------
2625 dnl CF_PKG_CONFIG version: 10 updated: 2015/04/26 18:06:58
2627 dnl Check for the package-config program, unless disabled by command-line.
2628 AC_DEFUN([CF_PKG_CONFIG],
2630 AC_MSG_CHECKING(if you want to use pkg-config)
2631 AC_ARG_WITH(pkg-config,
2632 [ --with-pkg-config{=path} enable/disable use of pkg-config],
2633 [cf_pkg_config=$withval],
2634 [cf_pkg_config=yes])
2635 AC_MSG_RESULT($cf_pkg_config)
2637 case $cf_pkg_config in
2642 CF_ACVERSION_CHECK(2.52,
2643 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
2644 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
2651 test -z "$PKG_CONFIG" && PKG_CONFIG=none
2652 if test "$PKG_CONFIG" != none ; then
2653 CF_PATH_SYNTAX(PKG_CONFIG)
2654 elif test "x$cf_pkg_config" != xno ; then
2655 AC_MSG_WARN(pkg-config is not installed)
2658 AC_SUBST(PKG_CONFIG)
2660 dnl ---------------------------------------------------------------------------
2661 dnl CF_POSIX_C_SOURCE version: 9 updated: 2015/04/12 15:39:00
2662 dnl -----------------
2663 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
2665 dnl POSIX.1-1990 _POSIX_SOURCE
2666 dnl POSIX.1-1990 and _POSIX_SOURCE and
2667 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
2669 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
2670 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
2671 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
2674 dnl $1 is the nominal value for _POSIX_C_SOURCE
2675 AC_DEFUN([CF_POSIX_C_SOURCE],
2677 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
2679 cf_save_CFLAGS="$CFLAGS"
2680 cf_save_CPPFLAGS="$CPPFLAGS"
2682 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
2683 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
2685 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
2686 CF_MSG_LOG(if the symbol is already defined go no further)
2687 AC_TRY_COMPILE([#include <sys/types.h>],[
2688 #ifndef _POSIX_C_SOURCE
2691 [cf_cv_posix_c_source=no],
2692 [cf_want_posix_source=no
2693 case .$cf_POSIX_C_SOURCE in
2695 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2698 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
2699 cf_want_posix_source=yes
2702 cf_want_posix_source=yes
2705 if test "$cf_want_posix_source" = yes ; then
2706 AC_TRY_COMPILE([#include <sys/types.h>],[
2707 #ifdef _POSIX_SOURCE
2710 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
2712 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
2713 CFLAGS="$cf_trim_CFLAGS"
2714 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
2715 CF_MSG_LOG(if the second compile does not leave our definition intact error)
2716 AC_TRY_COMPILE([#include <sys/types.h>],[
2717 #ifndef _POSIX_C_SOURCE
2720 [cf_cv_posix_c_source=no])
2721 CFLAGS="$cf_save_CFLAGS"
2722 CPPFLAGS="$cf_save_CPPFLAGS"
2726 if test "$cf_cv_posix_c_source" != no ; then
2727 CFLAGS="$cf_trim_CFLAGS"
2728 CPPFLAGS="$cf_trim_CPPFLAGS"
2729 CF_ADD_CFLAGS($cf_cv_posix_c_source)
2733 dnl ---------------------------------------------------------------------------
2734 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
2736 dnl Check for archiver "ar".
2737 AC_DEFUN([CF_PROG_AR],[
2738 AC_CHECK_TOOL(AR, ar, ar)
2740 dnl ---------------------------------------------------------------------------
2741 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
2743 dnl Check for awk, ensure that the check found something.
2744 AC_DEFUN([CF_PROG_AWK],
2747 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
2749 dnl ---------------------------------------------------------------------------
2750 dnl CF_PROG_CC version: 4 updated: 2014/07/12 18:57:58
2752 dnl standard check for CC, plus followup sanity checks
2753 dnl $1 = optional parameter to pass to AC_PROG_CC to specify compiler name
2754 AC_DEFUN([CF_PROG_CC],[
2755 ifelse($1,,[AC_PROG_CC],[AC_PROG_CC($1)])
2757 CF_ACVERSION_CHECK(2.52,
2762 dnl ---------------------------------------------------------------------------
2763 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
2765 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
2766 dnl the output file can be renamed, and allows for a shell variable that can
2767 dnl be used later. The parameter is either CC or CXX. The result is the
2769 dnl $cf_cv_prog_CC_c_o
2770 dnl $cf_cv_prog_CXX_c_o
2771 AC_DEFUN([CF_PROG_CC_C_O],
2772 [AC_REQUIRE([AC_PROG_CC])dnl
2773 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
2774 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
2776 cat > conftest.$ac_ext <<CF_EOF
2780 ${cf_cv_main_return:-return}(0);
2783 # We do the test twice because some compilers refuse to overwrite an
2784 # existing .o file with -o, though they will create one.
2785 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
2786 if AC_TRY_EVAL(ac_try) &&
2787 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
2789 eval cf_cv_prog_$1_c_o=yes
2791 eval cf_cv_prog_$1_c_o=no
2795 if test $cf_cv_prog_$1_c_o = yes; then
2796 AC_MSG_RESULT([yes])
2801 dnl ---------------------------------------------------------------------------
2802 dnl CF_PROG_EGREP version: 2 updated: 2015/04/18 08:56:57
2804 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
2805 dnl This macro adds a check to ensure the script found something.
2806 AC_DEFUN([CF_PROG_EGREP],
2807 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
2808 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
2809 then ac_cv_prog_egrep='grep -E'
2810 else ac_cv_prog_egrep='egrep'
2812 EGREP=$ac_cv_prog_egrep
2814 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
2816 dnl ---------------------------------------------------------------------------
2817 dnl CF_PROG_EXT version: 13 updated: 2015/04/18 09:03:58
2819 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
2820 AC_DEFUN([CF_PROG_EXT],
2822 AC_REQUIRE([CF_CHECK_CACHE])
2823 case $cf_cv_system_name in
2825 CFLAGS="$CFLAGS -Zmt"
2826 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
2827 CXXFLAGS="$CXXFLAGS -Zmt"
2828 # autoconf's macro sets -Zexe and suffix both, which conflict:w
2829 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
2839 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT",[Define to the program extension (normally blank)])
2841 dnl ---------------------------------------------------------------------------
2842 dnl CF_PROG_GNAT version: 3 updated: 2015/04/18 08:56:57
2844 dnl Check for gnatmake, ensure that it is complete.
2845 AC_DEFUN([CF_PROG_GNAT],[
2846 cf_ada_make=gnatmake
2847 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
2848 if test "$ac_cv_prog_gnat_exists" = no; then
2850 cf_cv_prog_gnat_correct=no
2853 AC_CHECK_PROG(M4_exists, m4, yes, no)
2854 if test "$ac_cv_prog_M4_exists" = no; then
2855 cf_cv_prog_gnat_correct=no
2856 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
2858 if test "$cf_cv_prog_gnat_correct" = yes; then
2859 AC_MSG_CHECKING(if GNAT works)
2860 CF_GNAT_TRY_RUN([procedure conftest;],
2863 procedure conftest is
2865 Text_IO.Put ("Hello World");
2867 GNAT.OS_Lib.OS_Exit (0);
2868 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
2869 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
2873 AC_SUBST(cf_ada_make)
2875 dnl ---------------------------------------------------------------------------
2876 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
2878 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
2879 dnl option if it is supported.
2880 AC_DEFUN([CF_PROG_LN_S],[
2882 AC_MSG_CHECKING(if $LN_S -f options work)
2884 rm -f conf$$.src conf$$dst
2886 echo first >conf$$.src
2887 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
2892 rm -f conf$$.dst conf$$src
2893 AC_MSG_RESULT($cf_prog_ln_sf)
2895 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
2897 dnl ---------------------------------------------------------------------------
2898 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
2899 dnl ----------------
2900 dnl Remove all -U and -D options that refer to the given symbol from a list
2901 dnl of C compiler options. This works around the problem that not all
2902 dnl compilers process -U and -D options from left-to-right, so a -U option
2903 dnl cannot be used to cancel the effect of a preceding -D option.
2905 dnl $1 = target (which could be the same as the source variable)
2906 dnl $2 = source (including '$')
2907 dnl $3 = symbol to remove
2908 define([CF_REMOVE_DEFINE],
2911 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
2912 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
2914 dnl ---------------------------------------------------------------------------
2915 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
2917 dnl Remove the given library from the symbol
2919 dnl $1 = target (which could be the same as the source variable)
2920 dnl $2 = source (including '$')
2921 dnl $3 = library to remove
2922 define([CF_REMOVE_LIB],
2924 # remove $3 library from $2
2925 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
2927 dnl ---------------------------------------------------------------------------
2928 dnl CF_SHARED_OPTS version: 89 updated: 2015/08/15 18:38:59
2931 dnl Attempt to determine the appropriate CC/LD options for creating a shared
2935 dnl a) ${LOCAL_LDFLAGS} is used to link executables that will run within
2936 dnl the build-tree, i.e., by making use of the libraries that are compiled in
2937 dnl $rel_builddir/lib We avoid compiling-in a $rel_builddir/lib path for the
2938 dnl shared library since that can lead to unexpected results at runtime.
2939 dnl b) ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared
2940 dnl libraries are compiled in ../../lib
2942 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
2943 dnl to install symbolic links to the rel/abi versions of shared libraries.
2945 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
2946 dnl version when making symbolic links.
2948 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
2949 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
2950 dnl (ex: libncurses.so.<ver>).
2952 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
2953 AC_DEFUN([CF_SHARED_OPTS],
2955 AC_REQUIRE([CF_LD_RPATH_OPT])
2960 INSTALL_LIB="-m 644"
2961 : ${rel_builddir:=.}
2969 cf_cv_do_symlinks=no
2971 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
2973 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
2974 AC_ARG_WITH(shlib-version,
2975 [ --with-shlib-version=X Specify rel or abi version for shared libs],
2976 [test -z "$withval" && withval=auto
2979 cf_cv_shlib_version=auto
2982 cf_cv_shlib_version=$withval
2985 AC_MSG_RESULT($withval)
2986 AC_MSG_ERROR([option value must be one of: rel, abi, or auto])
2989 ],[cf_cv_shlib_version=auto])
2990 AC_MSG_RESULT($cf_cv_shlib_version)
2995 # Some less-capable ports of gcc support only -fpic
2997 if test "$GCC" = yes
2999 AC_MSG_CHECKING(which $CC option to use)
3000 cf_save_CFLAGS="$CFLAGS"
3001 for CC_SHARED_OPTS in -fPIC -fpic ''
3003 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
3004 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
3006 AC_MSG_RESULT($CC_SHARED_OPTS)
3007 CFLAGS="$cf_save_CFLAGS"
3010 cf_cv_shlib_version_infix=no
3012 case $cf_cv_system_name in
3013 (aix4.[3-9]*|aix[[5-7]]*)
3014 if test "$GCC" = yes; then
3015 CC_SHARED_OPTS='-Wl,-brtl'
3016 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3018 CC_SHARED_OPTS='-brtl'
3019 # as well as '-qpic=large -G' or perhaps "-bM:SRE -bnoentry -bexpall"
3020 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
3024 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
3028 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3029 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3030 cf_cv_shlib_version=cygdll
3031 cf_cv_shlib_version_infix=cygdll
3034 cat >mk_shared_lib.sh <<-CF_EOF
3037 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3040 Linking shared library
3041 ** SHARED_LIB \[$]SHARED_LIB
3042 ** IMPORT_LIB \[$]IMPORT_LIB
3044 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3046 chmod +x mk_shared_lib.sh
3050 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3051 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3052 cf_cv_shlib_version=msysdll
3053 cf_cv_shlib_version_infix=msysdll
3056 cat >mk_shared_lib.sh <<-CF_EOF
3059 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/msys-/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3062 Linking shared library
3063 ** SHARED_LIB \[$]SHARED_LIB
3064 ** IMPORT_LIB \[$]IMPORT_LIB
3066 exec \[$]* -shared -Wl,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3068 chmod +x mk_shared_lib.sh
3071 cf_try_cflags="no-cpp-precomp"
3072 CC_SHARED_OPTS="-dynamic"
3073 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
3074 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
3075 cf_cv_shlib_version_infix=yes
3076 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
3077 cf_save_LDFLAGS=$LDFLAGS
3078 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3079 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
3080 LDFLAGS=$cf_save_LDFLAGS])
3081 if test $cf_cv_ldflags_search_paths_first = yes; then
3082 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
3086 # HP-UX 8.07 ld lacks "+b" option used for libdir search-list
3087 if test "$GCC" != yes; then
3090 MK_SHARED_LIB='${LD} -b -o $[@]'
3091 INSTALL_LIB="-m 555"
3094 # (tested with gcc 2.7.2 -- I don't have c89)
3095 if test "$GCC" = yes; then
3096 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
3099 LD_SHARED_OPTS='-Wl,+b,${libdir}'
3101 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
3102 # HP-UX shared libraries must be executable, and should be
3103 # readonly to exploit a quirk in the memory manager.
3104 INSTALL_LIB="-m 555"
3107 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3108 if test "$cf_cv_shlib_version" = rel; then
3109 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
3111 cf_shared_soname='`basename $@`'
3114 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
3117 if test "$cf_cv_enable_rpath" = yes ; then
3118 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3120 # tested with IRIX 5.2 and 'cc'.
3121 if test "$GCC" != yes; then
3122 CC_SHARED_OPTS='-KPIC'
3123 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
3125 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
3127 cf_cv_rm_so_locs=yes
3129 (linux*|gnu*|k*bsd*-gnu)
3130 if test "$DFT_LWR_MODEL" = "shared" ; then
3131 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3132 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3134 if test "$cf_cv_enable_rpath" = yes ; then
3135 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3138 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3141 cf_cv_shlib_version=mingw
3142 cf_cv_shlib_version_infix=mingw
3145 if test "$DFT_LWR_MODEL" = "shared" ; then
3146 LOCAL_LDFLAGS="-Wl,--enable-auto-import"
3147 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3148 EXTRA_LDFLAGS="-Wl,--enable-auto-import $EXTRA_LDFLAGS"
3151 MK_SHARED_LIB=$SHELL' '$rel_builddir'/mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
3152 RM_SHARED_OPTS="$RM_SHARED_OPTS $rel_builddir/mk_shared_lib.sh *.dll.a"
3153 cat >mk_shared_lib.sh <<-CF_EOF
3156 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
3159 Linking shared library
3160 ** SHARED_LIB \[$]SHARED_LIB
3161 ** IMPORT_LIB \[$]IMPORT_LIB
3163 exec \[$]* -shared -Wl,--enable-auto-import,--out-implib=\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o \[$]{SHARED_LIB}
3165 chmod +x mk_shared_lib.sh
3167 (openbsd[[2-9]].*|mirbsd*)
3168 if test "$DFT_LWR_MODEL" = "shared" ; then
3169 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3170 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3172 if test "$cf_cv_enable_rpath" = yes ; then
3173 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3175 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3177 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3179 (nto-qnx*|openbsd*|freebsd[[12]].*)
3180 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3181 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
3182 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3184 (dragonfly*|freebsd*)
3185 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3186 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3187 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3188 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
3189 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3192 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
3195 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
3196 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
3197 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
3198 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3199 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
3200 if test "$cf_cv_shlib_version" = auto; then
3201 if test -f /usr/libexec/ld.elf_so; then
3202 cf_cv_shlib_version=abi
3204 cf_cv_shlib_version=rel
3208 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
3210 MK_SHARED_LIB='${CC} -Wl,-shared -Wl,-Bshareable -o $[@]'
3214 # tested with OSF/1 V3.2 and 'cc'
3215 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
3216 # link with shared libs).
3217 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
3220 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
3223 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
3224 if test "$DFT_LWR_MODEL" = "shared" ; then
3225 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
3226 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3228 cf_cv_rm_so_locs=yes
3230 (sco3.2v5*) # also uw2* and UW7: hops 13-Apr-98
3231 # tested with osr5.0.5
3232 if test "$GCC" != yes; then
3233 CC_SHARED_OPTS='-belf -KPIC'
3235 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
3236 if test "$cf_cv_enable_rpath" = yes ; then
3237 # only way is to set LD_RUN_PATH but no switch for it
3240 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3241 LINK_PROGS='LD_RUN_PATH=${libdir}'
3242 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
3245 # tested with SunOS 4.1.1 and gcc 2.7.0
3246 if test "$GCC" != yes; then
3247 CC_SHARED_OPTS='-KPIC'
3249 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
3250 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
3253 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
3254 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
3255 if test "$DFT_LWR_MODEL" = "shared" ; then
3256 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
3257 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
3259 if test "$cf_cv_enable_rpath" = yes ; then
3260 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
3263 if test "$GCC" != yes; then
3264 cf_save_CFLAGS="$CFLAGS"
3265 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
3267 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
3268 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
3270 CFLAGS="$cf_save_CFLAGS"
3271 CC_SHARED_OPTS=$cf_shared_opts
3272 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3274 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
3277 (sysv5uw7*|unix_sv*)
3278 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
3279 if test "$GCC" != yes; then
3280 CC_SHARED_OPTS='-KPIC'
3282 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
3285 CC_SHARED_OPTS='unknown'
3286 MK_SHARED_LIB='echo unknown'
3290 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
3291 case "$cf_cv_shlib_version" in
3293 case "$MK_SHARED_LIB" in
3295 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
3298 AC_MSG_WARN(ignored --with-shlib-version)
3304 if test -n "$cf_try_cflags"
3306 cat > conftest.$ac_ext <<EOF
3307 #line __oline__ "${as_me:-configure}"
3309 int main(int argc, char *argv[[]])
3312 return (argv[[argc-1]] == 0) ;
3315 cf_save_CFLAGS="$CFLAGS"
3316 for cf_opt in $cf_try_cflags
3318 CFLAGS="$cf_save_CFLAGS -$cf_opt"
3319 AC_MSG_CHECKING(if CFLAGS option -$cf_opt works)
3320 if AC_TRY_EVAL(ac_compile); then
3322 cf_save_CFLAGS="$CFLAGS"
3327 CFLAGS="$cf_save_CFLAGS"
3331 # RPATH_LIST is a colon-separated list of directories
3332 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
3333 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
3335 test $cf_cv_rm_so_locs = yes && RM_SHARED_OPTS="$RM_SHARED_OPTS so_locations"
3337 CF_VERBOSE(CC_SHARED_OPTS: $CC_SHARED_OPTS)
3338 CF_VERBOSE(MK_SHARED_LIB: $MK_SHARED_LIB)
3340 AC_SUBST(CC_SHARED_OPTS)
3341 AC_SUBST(LD_RPATH_OPT)
3342 AC_SUBST(LD_SHARED_OPTS)
3343 AC_SUBST(MK_SHARED_LIB)
3344 AC_SUBST(RM_SHARED_OPTS)
3346 AC_SUBST(LINK_PROGS)
3347 AC_SUBST(LINK_TESTS)
3349 AC_SUBST(EXTRA_LDFLAGS)
3350 AC_SUBST(LOCAL_LDFLAGS)
3351 AC_SUBST(LOCAL_LDFLAGS2)
3353 AC_SUBST(INSTALL_LIB)
3354 AC_SUBST(RPATH_LIST)
3356 dnl ---------------------------------------------------------------------------
3357 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
3358 dnl ----------------
3359 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
3360 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
3363 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
3364 dnl If missing, use "rel".
3365 define([CF_SHARED_SONAME],
3367 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
3368 if test "$cf_cv_shlib_version" = rel; then
3369 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
3371 cf_cv_shared_soname='`basename $[@]`'
3374 dnl ---------------------------------------------------------------------------
3375 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
3377 dnl Remove "-g" option from the compiler options
3378 AC_DEFUN([CF_STRIP_G_OPT],
3379 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
3380 dnl ---------------------------------------------------------------------------
3381 dnl CF_SUBDIR_PATH version: 7 updated: 2014/12/04 04:33:06
3383 dnl Construct a search-list for a nonstandard header/lib-file
3384 dnl $1 = the variable to return as result
3385 dnl $2 = the package name
3386 dnl $3 = the subdirectory, e.g., bin, include or lib
3387 AC_DEFUN([CF_SUBDIR_PATH],
3391 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
3393 for cf_subdir_prefix in \
3401 CF_ADD_SUBDIR_PATH($1,$2,$3,$cf_subdir_prefix,$prefix)
3404 dnl ---------------------------------------------------------------------------
3405 dnl CF_TERM_HEADER version: 4 updated: 2015/04/15 19:08:48
3407 dnl Look for term.h, which is part of X/Open curses. It defines the interface
3408 dnl to terminfo database. Usually it is in the same include-path as curses.h,
3409 dnl but some packagers change this, breaking various applications.
3410 AC_DEFUN([CF_TERM_HEADER],[
3411 AC_CACHE_CHECK(for terminfo header, cf_cv_term_header,[
3412 case ${cf_cv_ncurses_header} in
3413 (*/ncurses.h|*/ncursesw.h)
3414 cf_term_header=`echo "$cf_cv_ncurses_header" | sed -e 's%ncurses[[^.]]*\.h$%term.h%'`
3417 cf_term_header=term.h
3421 for cf_test in $cf_term_header "ncurses/term.h" "ncursesw/term.h"
3423 AC_TRY_COMPILE([#include <stdio.h>
3424 #include <${cf_cv_ncurses_header:-curses.h}>
3426 ],[int x = auto_left_margin],[
3427 cf_cv_term_header="$cf_test"],[
3428 cf_cv_term_header=unknown
3430 test "$cf_cv_term_header" != unknown && break
3434 # Set definitions to allow ifdef'ing to accommodate subdirectories
3436 case $cf_cv_term_header in
3438 AC_DEFINE(HAVE_TERM_H,1,[Define to 1 if we have term.h])
3442 case $cf_cv_term_header in
3444 AC_DEFINE(HAVE_NCURSES_TERM_H,1,[Define to 1 if we have ncurses/term.h])
3447 AC_DEFINE(HAVE_NCURSESW_TERM_H,1,[Define to 1 if we have ncursesw/term.h])
3451 dnl ---------------------------------------------------------------------------
3452 dnl CF_TOP_BUILDDIR version: 2 updated: 2013/07/27 17:38:32
3454 dnl Define a top_builddir symbol, for applications that need an absolute path.
3455 AC_DEFUN([CF_TOP_BUILDDIR],
3457 top_builddir=ifelse($1,,`pwd`,$1)
3458 AC_SUBST(top_builddir)
3460 dnl ---------------------------------------------------------------------------
3461 dnl CF_TRY_XOPEN_SOURCE version: 1 updated: 2011/10/30 17:09:50
3462 dnl -------------------
3463 dnl If _XOPEN_SOURCE is not defined in the compile environment, check if we
3464 dnl can define it successfully.
3465 AC_DEFUN([CF_TRY_XOPEN_SOURCE],[
3466 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
3470 #include <sys/types.h>
3472 #ifndef _XOPEN_SOURCE
3475 [cf_cv_xopen_source=no],
3476 [cf_save="$CPPFLAGS"
3477 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3481 #include <sys/types.h>
3483 #ifdef _XOPEN_SOURCE
3486 [cf_cv_xopen_source=no],
3487 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
3492 if test "$cf_cv_xopen_source" != no ; then
3493 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
3494 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
3495 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
3496 CF_ADD_CFLAGS($cf_temp_xopen_source)
3499 dnl ---------------------------------------------------------------------------
3500 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
3502 dnl Make an uppercase version of a variable
3503 dnl $1=uppercase($2)
3504 AC_DEFUN([CF_UPPER],
3506 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
3508 dnl ---------------------------------------------------------------------------
3509 dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
3511 dnl Check for multibyte support, and if not found, utf8 compatibility library
3512 AC_DEFUN([CF_UTF8_LIB],
3514 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
3515 cf_save_LIBS="$LIBS"
3517 #include <stdlib.h>],[putwc(0,0);],
3518 [cf_cv_utf8_lib=yes],
3520 #include <libutf8.h>],[putwc(0,0);],utf8,
3521 [cf_cv_utf8_lib=add-on],
3522 [cf_cv_utf8_lib=no])
3525 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
3527 if test "$cf_cv_utf8_lib" = "add-on" ; then
3528 AC_DEFINE(HAVE_LIBUTF8_H,1,[Define to 1 if we should include libutf8.h])
3529 CF_ADD_INCDIR($cf_cv_header_path_utf8)
3530 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
3531 CF_ADD_LIBS($cf_cv_library_file_utf8)
3534 dnl ---------------------------------------------------------------------------
3535 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
3537 dnl Use AC_VERBOSE w/o the warnings
3538 AC_DEFUN([CF_VERBOSE],
3539 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
3542 dnl ---------------------------------------------------------------------------
3543 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
3545 dnl Check for compiler-support for weak symbols.
3546 dnl This works with "recent" gcc.
3547 AC_DEFUN([CF_WEAK_SYMBOLS],[
3548 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
3551 #include <stdio.h>],
3553 #if defined(__GNUC__)
3554 # if defined __USE_ISOC99
3555 # define _cat_pragma(exp) _Pragma(#exp)
3556 # define _weak_pragma(exp) _cat_pragma(weak name)
3558 # define _weak_pragma(exp)
3560 # define _declare(name) __extension__ extern __typeof__(name) name
3561 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
3565 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
3568 dnl ---------------------------------------------------------------------------
3569 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
3570 dnl --------------------
3571 dnl Command-line option to specify the Ada95 compiler.
3572 AC_DEFUN([CF_WITH_ADA_COMPILER],[
3573 AC_MSG_CHECKING(for ada-compiler)
3574 AC_ARG_WITH(ada-compiler,
3575 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
3576 [cf_ada_compiler=$withval],
3577 [cf_ada_compiler=gnatmake])
3578 AC_SUBST(cf_ada_compiler)
3579 AC_MSG_RESULT($cf_ada_compiler)
3581 dnl ---------------------------------------------------------------------------
3582 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
3583 dnl -------------------
3584 dnl Command-line option to specify where Ada includes will install.
3585 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
3586 AC_MSG_CHECKING(for ada-include)
3587 CF_WITH_PATH(ada-include,
3588 [ --with-ada-include=DIR Ada includes are in DIR],
3590 PREFIX/share/ada/adainclude,
3591 [$]prefix/share/ada/adainclude)
3592 AC_SUBST(ADA_INCLUDE)
3593 AC_MSG_RESULT($ADA_INCLUDE)
3595 dnl ---------------------------------------------------------------------------
3596 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
3597 dnl -------------------
3598 dnl Command-line option to specify where Ada objects will install.
3599 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
3600 AC_MSG_CHECKING(for ada-objects)
3601 CF_WITH_PATH(ada-objects,
3602 [ --with-ada-objects=DIR Ada objects are in DIR],
3604 PREFIX/lib/ada/adalib,
3605 [$]prefix/lib/ada/adalib)
3606 AC_SUBST(ADA_OBJECTS)
3607 AC_MSG_RESULT($ADA_OBJECTS)
3609 dnl ---------------------------------------------------------------------------
3610 dnl CF_WITH_ADA_SHAREDLIB version: 4 updated: 2014/05/31 21:08:37
3611 dnl ---------------------
3612 dnl Command-line option to specify if an Ada95 shared-library should be built,
3613 dnl and optionally what its soname should be.
3614 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
3615 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
3616 AC_ARG_WITH(ada-sharedlib,
3617 [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
3618 [with_ada_sharedlib=$withval],
3619 [with_ada_sharedlib=no])
3620 AC_MSG_RESULT($with_ada_sharedlib)
3622 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
3623 MAKE_ADA_SHAREDLIB="#"
3625 if test "x$with_ada_sharedlib" != xno
3628 if test "x$with_ada_sharedlib" != xyes
3630 ADA_SHAREDLIB="$with_ada_sharedlib"
3634 AC_SUBST(ADA_SHAREDLIB)
3635 AC_SUBST(MAKE_ADA_SHAREDLIB)
3637 dnl ---------------------------------------------------------------------------
3638 dnl CF_WITH_CURSES_DIR version: 3 updated: 2010/11/20 17:02:38
3639 dnl ------------------
3640 dnl Wrapper for AC_ARG_WITH to specify directory under which to look for curses
3642 AC_DEFUN([CF_WITH_CURSES_DIR],[
3644 AC_MSG_CHECKING(for specific curses-directory)
3645 AC_ARG_WITH(curses-dir,
3646 [ --with-curses-dir=DIR directory in which (n)curses is installed],
3647 [cf_cv_curses_dir=$withval],
3648 [cf_cv_curses_dir=no])
3649 AC_MSG_RESULT($cf_cv_curses_dir)
3651 if ( test -n "$cf_cv_curses_dir" && test "$cf_cv_curses_dir" != "no" )
3653 CF_PATH_SYNTAX(withval)
3654 if test -d "$cf_cv_curses_dir"
3656 CF_ADD_INCDIR($cf_cv_curses_dir/include)
3657 CF_ADD_LIBDIR($cf_cv_curses_dir/lib)
3661 dnl ---------------------------------------------------------------------------
3662 dnl CF_WITH_LIB_PREFIX version: 1 updated: 2012/01/21 19:28:10
3663 dnl ------------------
3664 dnl Allow the library-prefix to be overridden. OS/2 EMX originally had no
3665 dnl "lib" prefix, e.g., because it used the dll naming convention.
3667 dnl $1 = variable to set
3668 AC_DEFUN([CF_WITH_LIB_PREFIX],
3670 AC_MSG_CHECKING(if you want to have a library-prefix)
3671 AC_ARG_WITH(lib-prefix,
3672 [ --with-lib-prefix override library-prefix],
3673 [with_lib_prefix=$withval],
3674 [with_lib_prefix=auto])
3675 AC_MSG_RESULT($with_lib_prefix)
3677 if test $with_lib_prefix = auto
3680 elif test $with_lib_prefix = no
3684 LIB_PREFIX=$with_lib_prefix
3687 dnl ---------------------------------------------------------------------------
3688 dnl CF_WITH_PATH version: 11 updated: 2012/09/29 15:04:19
3690 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
3691 dnl defaulting to yes/no.
3693 dnl $1 = option name
3695 dnl $3 = environment variable to set
3696 dnl $4 = default value, shown in the help-message, must be a constant
3697 dnl $5 = default value, if it's an expression & cannot be in the help-message
3699 AC_DEFUN([CF_WITH_PATH],
3700 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
3701 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
3702 if ifelse([$5],,true,[test -n "$5"]) ; then
3703 CF_PATH_SYNTAX(withval)
3708 dnl ---------------------------------------------------------------------------
3709 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 10 updated: 2015/08/22 17:10:56
3710 dnl -------------------------
3711 dnl Allow the choice of the pkg-config library directory to be overridden.
3712 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
3716 AC_MSG_CHECKING(for pkg-config library directory)
3719 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
3723 PKG_CONFIG_LIBDIR=no
3724 AC_ARG_WITH(pkg-config-libdir,
3725 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
3726 [PKG_CONFIG_LIBDIR=$withval],
3727 [test "x$PKG_CONFIG" != xnone && PKG_CONFIG_LIBDIR=yes])
3729 case x$PKG_CONFIG_LIBDIR in
3733 # Look for the library directory using the same prefix as the executable
3734 if test "x$PKG_CONFIG" = xnone
3738 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
3741 # If you don't like using the default architecture, you have to specify the
3742 # intended library directory and corresponding compiler/linker options.
3744 # This case allows for Debian's 2014-flavor of multiarch, along with the
3745 # most common variations before that point. Some other variants spell the
3746 # directory differently, e.g., "pkg-config", and put it in unusual places.
3747 # pkg-config has always been poorly standardized, which is ironic...
3748 case x`(arch) 2>/dev/null` in
3751 $cf_path/lib/*64-linux-gnu \
3759 $cf_path/lib/*-linux-gnu \
3768 for cf_config in $cf_search_path
3770 CF_VERBOSE(checking $cf_config/pkgconfig)
3771 if test -d $cf_config/pkgconfig
3773 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
3774 AC_MSG_CHECKING(done)
3783 if test "x$PKG_CONFIG_LIBDIR" != xno ; then
3784 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
3787 AC_SUBST(PKG_CONFIG_LIBDIR)
3789 dnl ---------------------------------------------------------------------------
3790 dnl CF_WITH_PTHREAD version: 7 updated: 2015/04/18 08:56:57
3792 dnl Check for POSIX thread library.
3793 AC_DEFUN([CF_WITH_PTHREAD],
3795 AC_MSG_CHECKING(if you want to link with the pthread library)
3796 AC_ARG_WITH(pthread,
3797 [ --with-pthread use POSIX thread library],
3798 [with_pthread=$withval],
3800 AC_MSG_RESULT($with_pthread)
3802 if test "$with_pthread" != no ; then
3803 AC_CHECK_HEADER(pthread.h,[
3804 AC_DEFINE(HAVE_PTHREADS_H,1,[Define to 1 if we have pthreads.h header])
3806 for cf_lib_pthread in pthread c_r
3808 AC_MSG_CHECKING(if we can link with the $cf_lib_pthread library)
3809 cf_save_LIBS="$LIBS"
3810 CF_ADD_LIB($cf_lib_pthread)
3812 #include <pthread.h>
3814 int rc = pthread_create(0,0,0,0);
3815 int r2 = pthread_mutexattr_settype(0, 0);
3816 ],[with_pthread=yes],[with_pthread=no])
3817 LIBS="$cf_save_LIBS"
3818 AC_MSG_RESULT($with_pthread)
3819 test "$with_pthread" = yes && break
3822 if test "$with_pthread" = yes ; then
3823 CF_ADD_LIB($cf_lib_pthread)
3824 AC_DEFINE(HAVE_LIBPTHREADS,1,[Define to 1 if we have pthreads library])
3826 AC_MSG_ERROR(Cannot link with pthread library)
3831 dnl ---------------------------------------------------------------------------
3832 dnl CF_WITH_SYSTYPE version: 1 updated: 2013/01/26 16:26:12
3834 dnl For testing, override the derived host system-type which is used to decide
3835 dnl things such as the linker commands used to build shared libraries. This is
3836 dnl normally chosen automatically based on the type of system which you are
3837 dnl building on. We use it for testing the configure script.
3839 dnl This is different from the --host option: it is used only for testing parts
3840 dnl of the configure script which would not be reachable with --host since that
3841 dnl relies on the build environment being real, rather than mocked up.
3842 AC_DEFUN([CF_WITH_SYSTYPE],[
3843 CF_CHECK_CACHE([AC_CANONICAL_SYSTEM])
3844 AC_ARG_WITH(system-type,
3845 [ --with-system-type=XXX test: override derived host system-type],
3846 [AC_MSG_WARN(overriding system type to $withval)
3847 cf_cv_system_name=$withval
3851 dnl ---------------------------------------------------------------------------
3852 dnl CF_XOPEN_SOURCE version: 49 updated: 2015/04/12 15:39:00
3854 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
3855 dnl or adapt to the vendor's definitions to get equivalent functionality,
3856 dnl without losing the common non-POSIX features.
3859 dnl $1 is the nominal value for _XOPEN_SOURCE
3860 dnl $2 is the nominal value for _POSIX_C_SOURCE
3861 AC_DEFUN([CF_XOPEN_SOURCE],[
3862 AC_REQUIRE([AC_CANONICAL_HOST])
3864 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
3865 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
3870 cf_xopen_source="-D_ALL_SOURCE"
3876 cf_xopen_source="-D_APPLE_C_SOURCE"
3879 cf_xopen_source="-D_DARWIN_C_SOURCE"
3882 (freebsd*|dragonfly*)
3883 # 5.x headers associate
3884 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
3885 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
3886 cf_POSIX_C_SOURCE=200112L
3888 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
3891 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
3894 cf_xopen_source="-D_HPUX_SOURCE"
3897 cf_xopen_source="-D_SGI_SOURCE"
3900 (linux*|gnu*|mint*|k*bsd*-gnu)
3904 cf_xopen_source="-D_NETBSD_SOURCE" # POSIX.1-2001 features are ifdef'd with this...
3907 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <sys/select.h> and other headers which use u_int / u_short types
3909 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3912 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
3915 # setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
3916 cf_xopen_source="-D_BSD_SOURCE"
3920 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
3923 cf_xopen_source="-D_OSF_SOURCE"
3926 cf_xopen_source="-D_QNX_SOURCE"
3929 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
3932 cf_xopen_source="-D__EXTENSIONS__"
3933 cf_cv_xopen_source=broken
3935 (sysv4.2uw2.*) # Novell/SCO UnixWare 2.x (tested on 2.1.2)
3941 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
3945 if test -n "$cf_xopen_source" ; then
3946 CF_ADD_CFLAGS($cf_xopen_source,true)
3949 dnl In anything but the default case, we may have system-specific setting
3950 dnl which is still not guaranteed to provide all of the entrypoints that
3951 dnl _XOPEN_SOURCE would yield.
3952 if test -n "$cf_XOPEN_SOURCE" && test -z "$cf_cv_xopen_source" ; then
3953 AC_MSG_CHECKING(if _XOPEN_SOURCE really is set)
3954 AC_TRY_COMPILE([#include <stdlib.h>],[
3955 #ifndef _XOPEN_SOURCE
3958 [cf_XOPEN_SOURCE_set=yes],
3959 [cf_XOPEN_SOURCE_set=no])
3960 AC_MSG_RESULT($cf_XOPEN_SOURCE_set)
3961 if test $cf_XOPEN_SOURCE_set = yes
3963 AC_TRY_COMPILE([#include <stdlib.h>],[
3964 #if (_XOPEN_SOURCE - 0) < $cf_XOPEN_SOURCE
3967 [cf_XOPEN_SOURCE_set_ok=yes],
3968 [cf_XOPEN_SOURCE_set_ok=no])
3969 if test $cf_XOPEN_SOURCE_set_ok = no
3971 AC_MSG_WARN(_XOPEN_SOURCE is lower than requested)