1 dnl***************************************************************************
2 dnl Copyright (c) 1998-2010,2011 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 1995-on
31 dnl $Id: aclocal.m4,v 1.574 2011/09/10 20:31:55 tom Exp $
32 dnl Macros used in NCURSES 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 AM_LANGINFO_CODESET version: 3 updated: 2002/10/27 23:21:42
43 dnl -------------------
44 dnl Inserted as requested by gettext 0.10.40
45 dnl File from /usr/share/aclocal
47 dnl ====================
50 dnl From Bruno Haible.
51 AC_DEFUN([AM_LANGINFO_CODESET],
53 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
54 [AC_TRY_LINK([#include <langinfo.h>],
55 [char* cs = nl_langinfo(CODESET);],
56 am_cv_langinfo_codeset=yes,
57 am_cv_langinfo_codeset=no)
59 if test $am_cv_langinfo_codeset = yes; then
60 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
61 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
64 dnl ---------------------------------------------------------------------------
65 dnl CF_ACVERSION_CHECK version: 2 updated: 2011/05/08 11:22:03
66 dnl ------------------
67 dnl Conditionally generate script according to whether we're using a given autoconf.
69 dnl $1 = version to compare against
70 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
71 dnl $3 = code to use if AC_ACVERSION is older than $1.
72 define(CF_ACVERSION_CHECK,
74 ifdef([m4_version_compare],
75 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
76 [CF_ACVERSION_COMPARE(
77 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
78 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
79 dnl ---------------------------------------------------------------------------
80 dnl CF_ACVERSION_COMPARE version: 2 updated: 2011/04/14 20:56:50
81 dnl --------------------
82 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
83 dnl MAJOR2, MINOR2, TERNARY2,
84 dnl PRINTABLE2, not FOUND, FOUND)
85 define(CF_ACVERSION_COMPARE,
86 [ifelse(builtin([eval], [$2 < $5]), 1,
87 [ifelse([$8], , ,[$8])],
88 [ifelse([$9], , ,[$9])])])dnl
89 dnl ---------------------------------------------------------------------------
90 dnl CF_ADA_INCLUDE_DIRS version: 6 updated: 2010/02/26 19:52:07
91 dnl -------------------
92 dnl Construct the list of include-options for the C programs in the Ada95
94 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
96 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
97 if test "$srcdir" != "."; then
98 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
100 if test "$GCC" != yes; then
101 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
102 elif test "$includedir" != "/usr/include"; then
103 if test "$includedir" = '${prefix}/include' ; then
104 if test $prefix != /usr ; then
105 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
108 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
113 dnl ---------------------------------------------------------------------------
114 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
116 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
117 AC_DEFUN([CF_ADD_ADAFLAGS],[
118 ADAFLAGS="$ADAFLAGS $1"
121 dnl ---------------------------------------------------------------------------
122 dnl CF_ADD_CFLAGS version: 10 updated: 2010/05/26 05:38:42
124 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
125 dnl The second parameter if given makes this macro verbose.
127 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
128 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
129 dnl confused by the quotes (which require backslashes to keep them usable).
130 AC_DEFUN([CF_ADD_CFLAGS],
135 cf_new_extra_cppflags=
137 for cf_add_cflags in $1
139 case $cf_fix_cppflags in
141 case $cf_add_cflags in #(vi
142 -undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C) #(vi
143 case $cf_add_cflags in
145 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
147 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
148 && test -z "${cf_tst_cflags}" \
149 && cf_fix_cppflags=yes
151 if test $cf_fix_cppflags = yes ; then
152 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
154 elif test "${cf_tst_cflags}" = "\"'" ; then
155 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
161 *$cf_add_cflags) #(vi
164 case $cf_add_cflags in #(vi
166 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
167 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
170 cf_new_cppflags="$cf_new_cppflags $cf_add_cflags"
175 cf_new_cflags="$cf_new_cflags $cf_add_cflags"
180 cf_new_extra_cppflags="$cf_new_extra_cppflags $cf_add_cflags"
182 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
184 test "${cf_add_cflags}" != "${cf_tst_cflags}" \
185 && test -z "${cf_tst_cflags}" \
186 && cf_fix_cppflags=no
191 if test -n "$cf_new_cflags" ; then
192 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
193 CFLAGS="$CFLAGS $cf_new_cflags"
196 if test -n "$cf_new_cppflags" ; then
197 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
198 CPPFLAGS="$CPPFLAGS $cf_new_cppflags"
201 if test -n "$cf_new_extra_cppflags" ; then
202 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
203 EXTRA_CPPFLAGS="$cf_new_extra_cppflags $EXTRA_CPPFLAGS"
206 AC_SUBST(EXTRA_CPPFLAGS)
209 dnl ---------------------------------------------------------------------------
210 dnl CF_ADD_INCDIR version: 13 updated: 2010/05/26 16:44:57
212 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
213 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
214 dnl but old versions (and some misinstalled ones) need that. To make things
215 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
216 dnl the include-path).
217 AC_DEFUN([CF_ADD_INCDIR],
219 if test -n "$1" ; then
220 for cf_add_incdir in $1
222 while test $cf_add_incdir != /usr/include
224 if test -d $cf_add_incdir
227 if test -n "$CFLAGS$CPPFLAGS" ; then
228 # a loop is needed to ensure we can add subdirs of existing dirs
229 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
230 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
231 cf_have_incdir=yes; break
236 if test "$cf_have_incdir" = no ; then
237 if test "$cf_add_incdir" = /usr/local/include ; then
240 cf_save_CPPFLAGS=$CPPFLAGS
241 CPPFLAGS="$CPPFLAGS -I$cf_add_incdir"
242 AC_TRY_COMPILE([#include <stdio.h>],
245 [cf_have_incdir=yes])
246 CPPFLAGS=$cf_save_CPPFLAGS
251 if test "$cf_have_incdir" = no ; then
252 CF_VERBOSE(adding $cf_add_incdir to include-path)
253 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
255 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
256 test "$cf_top_incdir" = "$cf_add_incdir" && break
257 cf_add_incdir="$cf_top_incdir"
266 dnl ---------------------------------------------------------------------------
267 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
269 dnl Add a library, used to enforce consistency.
271 dnl $1 = library to add, without the "-l"
272 dnl $2 = variable to update (default $LIBS)
273 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
274 dnl ---------------------------------------------------------------------------
275 dnl CF_ADD_LIBDIR version: 9 updated: 2010/05/26 16:44:57
277 dnl Adds to the library-path
279 dnl Some machines have trouble with multiple -L options.
281 dnl $1 is the (list of) directory(s) to add
282 dnl $2 is the optional name of the variable to update (default LDFLAGS)
284 AC_DEFUN([CF_ADD_LIBDIR],
286 if test -n "$1" ; then
287 for cf_add_libdir in $1
289 if test $cf_add_libdir = /usr/lib ; then
291 elif test -d $cf_add_libdir
294 if test -n "$LDFLAGS$LIBS" ; then
295 # a loop is needed to ensure we can add subdirs of existing dirs
296 for cf_test_libdir in $LDFLAGS $LIBS ; do
297 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
298 cf_have_libdir=yes; break
302 if test "$cf_have_libdir" = no ; then
303 CF_VERBOSE(adding $cf_add_libdir to library-path)
304 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
310 dnl ---------------------------------------------------------------------------
311 dnl CF_ADD_LIBS version: 1 updated: 2010/06/02 05:03:05
313 dnl Add one or more libraries, used to enforce consistency.
315 dnl $1 = libraries to add, with the "-l", etc.
316 dnl $2 = variable to update (default $LIBS)
317 AC_DEFUN([CF_ADD_LIBS],[ifelse($2,,LIBS,[$2])="$1 [$]ifelse($2,,LIBS,[$2])"])dnl
318 dnl ---------------------------------------------------------------------------
319 dnl CF_ADD_SUBDIR_PATH version: 3 updated: 2010/07/03 20:58:12
320 dnl ------------------
321 dnl Append to a search-list for a nonstandard header/lib-file
322 dnl $1 = the variable to return as result
323 dnl $2 = the package name
324 dnl $3 = the subdirectory, e.g., bin, include or lib
325 dnl $4 = the directory under which we will test for subdirectories
326 dnl $5 = a directory that we do not want $4 to match
327 AC_DEFUN([CF_ADD_SUBDIR_PATH],
329 test "$4" != "$5" && \
331 ifelse([$5],NONE,,[(test $5 = NONE || test "$4" != "$5") &&]) {
332 test -n "$verbose" && echo " ... testing for $3-directories under $4"
333 test -d $4/$3 && $1="[$]$1 $4/$3"
334 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
335 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
336 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
337 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
340 dnl ---------------------------------------------------------------------------
341 dnl CF_ANSI_CC_CHECK version: 11 updated: 2011/07/01 19:47:45
343 dnl This was originally adapted from the macros 'fp_PROG_CC_STDC' and
344 dnl 'fp_C_PROTOTYPES' in the sharutils 4.2 distribution.
345 AC_DEFUN([CF_ANSI_CC_CHECK],
347 # This should have been defined by AC_PROG_CC
350 # Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
351 # into CC. This will not help with broken scripts that wrap the compiler with
352 # options, but eliminates a more common category of user confusion.
353 AC_MSG_CHECKING(\$CC variable)
356 AC_MSG_RESULT(broken)
357 AC_MSG_WARN(your environment misuses the CC variable to hold CFLAGS/CPPFLAGS options)
359 cf_flags=`echo "$CC" | sed -e 's/^[[^ ]]*[[ ]]//'`
360 CC=`echo "$CC" | sed -e 's/[[ ]].*//'`
361 CF_ADD_CFLAGS($cf_flags)
368 AC_CACHE_CHECK(for ${CC:-cc} option to accept ANSI C, cf_cv_ansi_cc,[
370 cf_save_CFLAGS="$CFLAGS"
371 cf_save_CPPFLAGS="$CPPFLAGS"
372 # Don't try gcc -ansi; that turns off useful extensions and
373 # breaks some systems' header files.
375 # Ultrix and OSF/1 -std1
376 # HP-UX -Aa -D_HPUX_SOURCE
378 # UnixWare 1.2 (cannot use -Xc, since ANSI/POSIX clashes)
379 for cf_arg in "-DCC_HAS_PROTOS" \
384 "-Aa -D_HPUX_SOURCE" \
387 CF_ADD_CFLAGS($cf_arg)
390 #ifndef CC_HAS_PROTOS
391 #if !defined(__STDC__) || (__STDC__ != 1)
396 int test (int i, double x);
397 struct s1 {int (*f) (int a);};
398 struct s2 {int (*f) (double a);};],
399 [cf_cv_ansi_cc="$cf_arg"; break])
401 CFLAGS="$cf_save_CFLAGS"
402 CPPFLAGS="$cf_save_CPPFLAGS"
405 if test "$cf_cv_ansi_cc" != "no"; then
406 if test ".$cf_cv_ansi_cc" != ".-DCC_HAS_PROTOS"; then
407 CF_ADD_CFLAGS($cf_cv_ansi_cc)
409 AC_DEFINE(CC_HAS_PROTOS)
413 dnl ---------------------------------------------------------------------------
414 dnl CF_ANSI_CC_REQD version: 4 updated: 2008/03/23 14:48:54
416 dnl For programs that must use an ANSI compiler, obtain compiler options that
417 dnl will make it recognize prototypes. We'll do preprocessor checks in other
418 dnl macros, since tools such as unproto can fake prototypes, but only part of
419 dnl the preprocessor.
420 AC_DEFUN([CF_ANSI_CC_REQD],
421 [AC_REQUIRE([CF_ANSI_CC_CHECK])
422 if test "$cf_cv_ansi_cc" = "no"; then
424 [Your compiler does not appear to recognize prototypes.
425 You have the following choices:
426 a. adjust your compiler options
427 b. get an up-to-date compiler
428 c. use a wrapper such as unproto])
431 dnl ---------------------------------------------------------------------------
432 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
434 dnl Allow user to disable a normally-on option.
435 AC_DEFUN([CF_ARG_DISABLE],
436 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
437 dnl ---------------------------------------------------------------------------
438 dnl CF_ARG_OPTION version: 4 updated: 2010/05/26 05:38:42
440 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
446 dnl $3 = action to perform if option is not default
447 dnl $4 = action if perform if option is default
448 dnl $5 = default option value (either 'yes' or 'no')
449 AC_DEFUN([CF_ARG_OPTION],
450 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
451 if test "$enableval" != "$5" ; then
453 ,[ $3]) ifelse([$4],,,[
456 fi],[enableval=$5 ifelse([$4],,,[
460 dnl ---------------------------------------------------------------------------
461 dnl CF_AR_FLAGS version: 5 updated: 2010/05/20 20:24:29
463 dnl Check for suitable "ar" (archiver) options for updating an archive.
464 AC_DEFUN([CF_AR_FLAGS],[
465 AC_REQUIRE([CF_PROG_AR])
467 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
468 cf_cv_ar_flags=unknown
469 for cf_ar_flags in -curv curv -crv crv -cqv cqv -rv rv
472 # check if $ARFLAGS already contains this choice
473 if test "x$ARFLAGS" != "x" ; then
474 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
475 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
481 rm -f conftest.$ac_cv_objext
484 cat >conftest.$ac_ext <<EOF
485 #line __oline__ "configure"
486 int testdata[[3]] = { 123, 456, 789 };
488 if AC_TRY_EVAL(ac_compile) ; then
489 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
490 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
491 if test -f conftest.a ; then
492 cf_cv_ar_flags=$cf_ar_flags
496 CF_VERBOSE(cannot compile test-program)
500 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
503 if test -n "$ARFLAGS" ; then
504 if test -n "$cf_cv_ar_flags" ; then
505 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
508 ARFLAGS=$cf_cv_ar_flags
513 dnl ---------------------------------------------------------------------------
514 dnl CF_AWK_BIG_PRINTF version: 3 updated: 2008/12/27 12:30:03
515 dnl -----------------
516 dnl Check if awk can handle big strings using printf. Some older versions of
517 dnl awk choke on large strings passed via "%s".
519 dnl $1 = desired string size
520 dnl $2 = variable to set with result
521 AC_DEFUN([CF_AWK_BIG_PRINTF],
528 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' \
529 | $AWK '{ printf "%d\n", length([$]0); }' | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
537 dnl ---------------------------------------------------------------------------
538 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
540 dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
541 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
542 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
544 dnl Treat the configuration-variable specially here, since we're directly
545 dnl substituting its value (i.e., 1/0).
547 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
548 AC_DEFUN([CF_BOOL_DECL],
550 AC_MSG_CHECKING(if we should include stdbool.h)
552 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
553 AC_TRY_COMPILE([],[bool foo = false],
554 [cf_cv_header_stdbool_h=0],
559 ],[bool foo = false],
560 [cf_cv_header_stdbool_h=1],
561 [cf_cv_header_stdbool_h=0])])])
563 if test "$cf_cv_header_stdbool_h" = 1
564 then AC_MSG_RESULT(yes)
565 else AC_MSG_RESULT(no)
568 AC_MSG_CHECKING([for builtin bool type])
570 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
573 #include <sys/types.h>
575 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
576 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
579 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
580 then AC_MSG_RESULT(yes)
581 else AC_MSG_RESULT(no)
584 dnl ---------------------------------------------------------------------------
585 dnl CF_BOOL_SIZE version: 12 updated: 2006/12/16 12:33:30
587 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
588 dnl Don't bother looking for bool.h, since it's been deprecated.
590 dnl If the current compiler is C rather than C++, we get the bool definition
591 dnl from <stdbool.h>.
592 AC_DEFUN([CF_BOOL_SIZE],
594 AC_MSG_CHECKING([for size of bool])
595 AC_CACHE_VAL(cf_cv_type_of_bool,[
601 #if defined(__cplusplus)
603 #ifdef HAVE_GXX_BUILTIN_H
604 #include <g++/builtin.h>
605 #elif HAVE_GPP_BUILTIN_H
606 #include <gpp/builtin.h>
613 #if $cf_cv_header_stdbool_h
621 FILE *fp = fopen("cf_test.out", "w");
625 fputs("unsigned ", fp);
626 if (sizeof(x) == sizeof(int)) fputs("int", fp);
627 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
628 else if (sizeof(x) == sizeof(short))fputs("short",fp);
629 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
632 ${cf_cv_main_return:-return}(0);
635 [cf_cv_type_of_bool=`cat cf_test.out`
636 if test -z "$cf_cv_type_of_bool"; then
637 cf_cv_type_of_bool=unknown
639 [cf_cv_type_of_bool=unknown],
640 [cf_cv_type_of_bool=unknown])
643 AC_MSG_RESULT($cf_cv_type_of_bool)
644 if test "$cf_cv_type_of_bool" = unknown ; then
645 case .$NCURSES_BOOL in #(vi
646 .auto|.) NCURSES_BOOL=unsigned;;
648 AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
649 cf_cv_type_of_bool=$NCURSES_BOOL
652 dnl ---------------------------------------------------------------------------
653 dnl CF_BUILD_CC version: 6 updated: 2006/10/14 15:23:15
655 dnl If we're cross-compiling, allow the user to override the tools and their
656 dnl options. The configure script is oriented toward identifying the host
657 dnl compiler, etc., but we need a build compiler to generate parts of the
660 dnl $1 = default for $CPPFLAGS
661 dnl $2 = default for $LIBS
662 AC_DEFUN([CF_BUILD_CC],[
663 AC_REQUIRE([CF_PROG_EXT])
664 if test "$cross_compiling" = yes ; then
666 # defaults that we might want to override
667 : ${BUILD_CFLAGS:=''}
668 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
669 : ${BUILD_LDFLAGS:=''}
670 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
671 : ${BUILD_EXEEXT:='$x'}
672 : ${BUILD_OBJEXT:='o'}
674 AC_ARG_WITH(build-cc,
675 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
676 [BUILD_CC="$withval"],
677 [AC_CHECK_PROGS(BUILD_CC, gcc cc cl)])
678 AC_MSG_CHECKING(for native build C compiler)
679 AC_MSG_RESULT($BUILD_CC)
681 AC_MSG_CHECKING(for native build C preprocessor)
682 AC_ARG_WITH(build-cpp,
683 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
684 [BUILD_CPP="$withval"],
685 [BUILD_CPP='${BUILD_CC} -E'])
686 AC_MSG_RESULT($BUILD_CPP)
688 AC_MSG_CHECKING(for native build C flags)
689 AC_ARG_WITH(build-cflags,
690 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
691 [BUILD_CFLAGS="$withval"])
692 AC_MSG_RESULT($BUILD_CFLAGS)
694 AC_MSG_CHECKING(for native build C preprocessor-flags)
695 AC_ARG_WITH(build-cppflags,
696 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
697 [BUILD_CPPFLAGS="$withval"])
698 AC_MSG_RESULT($BUILD_CPPFLAGS)
700 AC_MSG_CHECKING(for native build linker-flags)
701 AC_ARG_WITH(build-ldflags,
702 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
703 [BUILD_LDFLAGS="$withval"])
704 AC_MSG_RESULT($BUILD_LDFLAGS)
706 AC_MSG_CHECKING(for native build linker-libraries)
707 AC_ARG_WITH(build-libs,
708 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
709 [BUILD_LIBS="$withval"])
710 AC_MSG_RESULT($BUILD_LIBS)
712 # this assumes we're on Unix.
716 : ${BUILD_CC:='${CC}'}
718 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
719 AC_MSG_ERROR([Cross-build requires two compilers.
720 Use --with-build-cc to specify the native compiler.])
724 : ${BUILD_CC:='${CC}'}
725 : ${BUILD_CPP:='${CPP}'}
726 : ${BUILD_CFLAGS:='${CFLAGS}'}
727 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
728 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
729 : ${BUILD_LIBS:='${LIBS}'}
730 : ${BUILD_EXEEXT:='$x'}
731 : ${BUILD_OBJEXT:='o'}
736 AC_SUBST(BUILD_CFLAGS)
737 AC_SUBST(BUILD_CPPFLAGS)
738 AC_SUBST(BUILD_LDFLAGS)
740 AC_SUBST(BUILD_EXEEXT)
741 AC_SUBST(BUILD_OBJEXT)
743 dnl ---------------------------------------------------------------------------
744 dnl CF_CFG_DEFAULTS version: 8 updated: 2011/06/04 20:09:13
746 dnl Determine the default configuration into which we'll install ncurses. This
747 dnl can be overridden by the user's command-line options. There's two items to
749 dnl 1. the prefix (e.g., /usr)
750 dnl 2. the header files (e.g., /usr/include/ncurses)
751 dnl We'll look for a previous installation of ncurses and use the same defaults.
753 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
754 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
755 dnl programs from a vendor's.
756 AC_DEFUN([CF_CFG_DEFAULTS],
758 AC_MSG_CHECKING(for prefix)
759 if test "x$prefix" = "xNONE" ; then
760 case "$cf_cv_system_name" in
761 # non-vendor systems don't have a conflict
762 openbsd*|freebsd*|mirbsd*|linux*|cygwin*|k*bsd*-gnu)
765 *) prefix=$ac_default_prefix
769 AC_MSG_RESULT($prefix)
771 if test "x$prefix" = "xNONE" ; then
772 AC_MSG_CHECKING(for default include-directory)
773 test -n "$verbose" && echo 1>&AC_FD_MSG
776 $includedir/ncurses \
778 $prefix/include/ncurses \
780 /usr/local/include/ncurses \
784 cf_dir=`eval echo $cf_symbol`
785 if test -f $cf_dir/curses.h ; then
786 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
787 includedir="$cf_symbol"
788 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
792 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
794 AC_MSG_RESULT($includedir)
797 dnl ---------------------------------------------------------------------------
798 dnl CF_CGETENT version: 4 updated: 2011/08/07 14:54:41
800 dnl Check if the terminal-capability database functions are available. If not,
801 dnl ncurses has a much-reduced version.
802 AC_DEFUN([CF_CGETENT],[
803 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
805 #include <stdlib.h>],[
808 char *db_array = temp;
809 cgetent(&buf, &db_array, "vt100");
810 cgetcap(buf, "tc", '=');
811 cgetmatch(buf, "tc");
817 if test "$cf_cv_cgetent" = yes
819 AC_DEFINE(HAVE_BSD_CGETENT)
820 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
822 #include <stdlib.h>],[
825 #ifndef _NETBSD_SOURCE /* given, since April 2004 in stdlib.h */
826 const char *db_array = temp;
827 cgetent(&buf, &db_array, "vt100");
829 cgetcap(buf, "tc", '=');
830 cgetmatch(buf, "tc");
832 [cf_cv_cgetent_const=yes],
833 [cf_cv_cgetent_const=no])
835 if test "$cf_cv_cgetent_const" = yes
837 AC_DEFINE_UNQUOTED(CGETENT_CONST,const)
841 dnl ---------------------------------------------------------------------------
842 dnl CF_CHECK_CACHE version: 11 updated: 2008/03/23 14:45:59
844 dnl Check if we're accidentally using a cache from a different machine.
845 dnl Derive the system name, as a check for reusing the autoconf cache.
847 dnl If we've packaged config.guess and config.sub, run that (since it does a
848 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
849 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
850 dnl which is useful in cross-compiles.
852 dnl Note: we would use $ac_config_sub, but that is one of the places where
853 dnl autoconf 2.5x broke compatibility with autoconf 2.13
854 AC_DEFUN([CF_CHECK_CACHE],
856 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
857 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
858 system_name="$host_os"
860 system_name="`(uname -s -r) 2>/dev/null`"
861 if test -z "$system_name" ; then
862 system_name="`(hostname) 2>/dev/null`"
865 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name")
866 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
868 test -z "$system_name" && system_name="$cf_cv_system_name"
869 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
871 if test ".$system_name" != ".$cf_cv_system_name" ; then
872 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
873 AC_MSG_ERROR("Please remove config.cache and try again.")
876 dnl ---------------------------------------------------------------------------
877 dnl CF_CHECK_ERRNO version: 11 updated: 2010/05/26 05:38:42
879 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
880 dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it
883 dnl $1 = the name to check
884 dnl $2 = the assumed type
885 AC_DEFUN([CF_CHECK_ERRNO],
887 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
893 #include <sys/types.h>
894 #include <errno.h> ],
895 ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
900 if test "$cf_cv_dcl_$1" = no ; then
901 CF_UPPER(cf_result,decl_$1)
902 AC_DEFINE_UNQUOTED($cf_result)
905 # It's possible (for near-UNIX clones) that the data doesn't exist
906 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
908 dnl ---------------------------------------------------------------------------
909 dnl CF_CHECK_EXTERN_DATA version: 3 updated: 2001/12/30 18:03:23
910 dnl --------------------
911 dnl Check for existence of external data in the current set of libraries. If
912 dnl we can modify it, it's real enough.
913 dnl $1 = the name to check
915 AC_DEFUN([CF_CHECK_EXTERN_DATA],
917 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
927 if test "$cf_cv_have_$1" = yes ; then
928 CF_UPPER(cf_result,have_$1)
929 AC_DEFINE_UNQUOTED($cf_result)
933 dnl ---------------------------------------------------------------------------
934 dnl CF_CHECK_GPM_WGETCH version: 2 updated: 2010/08/14 18:25:37
935 dnl -------------------
936 dnl Check if GPM is already linked with curses. If so - and if the linkage
937 dnl is not "weak" - warn about this because it can create problems linking
938 dnl applications with ncurses.
939 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
940 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
942 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
943 cf_cv_check_gpm_wgetch=unknown
944 if test "$cross_compiling" != yes ; then
946 cat >conftest.$ac_ext <<CF_EOF
951 ${cf_cv_main_return:-return}(0);
956 # This only works if we can look at the symbol table. If a shared
957 # library is stripped for install, we cannot use that. So we're forced
958 # to rely on the static library, noting that some packagers may not
960 LIBS="-static -lgpm -dynamic $LIBS"
961 if AC_TRY_EVAL(ac_compile) ; then
962 if AC_TRY_EVAL(ac_link) ; then
963 cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
964 test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
965 test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
973 if test "$cf_cv_check_gpm_wgetch" != yes ; then
974 AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
977 dnl ---------------------------------------------------------------------------
978 dnl CF_CPP_PARAM_INIT version: 4 updated: 2001/04/07 22:31:18
979 dnl -----------------
980 dnl Check if the C++ compiler accepts duplicate parameter initialization. This
981 dnl is a late feature for the standard and is not in some recent compilers
983 AC_DEFUN([CF_CPP_PARAM_INIT],
985 if test -n "$CXX"; then
986 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
998 TEST::TEST(int x = 1) // some compilers do not like second initializer
1004 [cf_cv_cpp_param_init=yes],
1005 [cf_cv_cpp_param_init=no],
1006 [cf_cv_cpp_param_init=unknown])
1010 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT)
1012 dnl ---------------------------------------------------------------------------
1013 dnl CF_CPP_STATIC_CAST version: 1 updated: 2005/07/23 16:52:43
1014 dnl ------------------
1015 dnl Check if the C++ compiler accepts static_cast in generics. This appears to
1016 dnl not be supported in g++ before 3.0
1017 AC_DEFUN([CF_CPP_STATIC_CAST],
1019 if test -n "$CXX"; then
1021 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1029 NCursesPanel(int nlines,
1039 template<class T> class NCursesUserPanel : public NCursesPanel
1042 NCursesUserPanel (int nlines,
1046 const T* p_UserData = static_cast<T*>(0))
1047 : NCursesPanel (nlines, ncols, begin_y, begin_x)
1050 NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1054 virtual ~NCursesUserPanel() {};
1057 const char* p_UserData = static_cast<char*>(0)],
1058 [cf_cv_cpp_static_cast=yes],
1059 [cf_cv_cpp_static_cast=no])
1066 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST)
1068 dnl ---------------------------------------------------------------------------
1069 dnl CF_C_INLINE version: 3 updated: 2010/05/01 15:14:41
1071 dnl Check if the C compiler supports "inline".
1072 dnl $1 is the name of a shell variable to set if inline is supported
1073 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1074 AC_DEFUN([CF_C_INLINE],[
1077 if test "$ac_cv_c_inline" != no ; then
1079 if test "$INTEL_COMPILER" = yes
1082 elif test "$GCC" = yes
1084 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1085 cf_save_CFLAGS=$CFLAGS
1086 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1087 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1088 [${cf_cv_main_return:-return} foo()],
1089 [cf_cv_gcc_inline=yes],
1090 [cf_cv_gcc_inline=no])
1091 CFLAGS=$cf_save_CFLAGS
1093 if test "$cf_cv_gcc_inline" = yes ; then
1094 CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1100 dnl ---------------------------------------------------------------------------
1101 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1103 dnl "dirname" is not portable, so we fake it with a shell script.
1104 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1105 dnl ---------------------------------------------------------------------------
1106 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1108 AC_DEFUN([CF_DIRS_TO_MAKE],
1111 for cf_item in $cf_list_models
1113 CF_OBJ_SUBDIR($cf_item,cf_subdir)
1114 for cf_item2 in $DIRS_TO_MAKE
1116 test $cf_item2 = $cf_subdir && break
1118 test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1120 for cf_dir in $DIRS_TO_MAKE
1122 test ! -d $cf_dir && mkdir $cf_dir
1124 AC_SUBST(DIRS_TO_MAKE)
1126 dnl ---------------------------------------------------------------------------
1127 dnl CF_DISABLE_LEAKS version: 6 updated: 2010/07/23 04:14:32
1128 dnl ----------------
1129 dnl Combine no-leak checks with the libraries or tools that are used for the
1131 AC_DEFUN([CF_DISABLE_LEAKS],[
1133 AC_REQUIRE([CF_WITH_DMALLOC])
1134 AC_REQUIRE([CF_WITH_DBMALLOC])
1135 AC_REQUIRE([CF_WITH_VALGRIND])
1137 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1138 AC_ARG_ENABLE(leaks,
1139 [ --disable-leaks test: free permanent memory, analyze leaks],
1140 [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1141 : ${with_no_leaks:=no})
1142 AC_MSG_RESULT($with_no_leaks)
1144 if test "$with_no_leaks" = yes ; then
1146 AC_DEFINE(YY_NO_LEAKS)
1149 dnl ---------------------------------------------------------------------------
1150 dnl CF_DISABLE_LIBTOOL_VERSION version: 1 updated: 2010/05/15 15:45:59
1151 dnl --------------------------
1152 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1153 dnl the older "-version-info" feature. The newer feature allows us to use
1154 dnl version numbering on shared libraries which make them compatible with
1155 dnl various systems.
1156 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1158 AC_MSG_CHECKING(if libtool -version-number should be used)
1159 CF_ARG_DISABLE(libtool-version,
1160 [ --disable-libtool-version enable to use libtool's incompatible naming scheme],
1161 [cf_libtool_version=no],
1162 [cf_libtool_version=yes])
1163 AC_MSG_RESULT($cf_libtool_version)
1165 if test "$cf_libtool_version" = yes ; then
1166 LIBTOOL_VERSION="-version-number"
1168 LIBTOOL_VERSION="-version-info"
1171 AC_SUBST(LIBTOOL_VERSION)
1173 dnl ---------------------------------------------------------------------------
1174 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1175 dnl ---------------------
1176 dnl The rpath-hack makes it simpler to build programs, particularly with the
1177 dnl *BSD ports which may have essential libraries in unusual places. But it
1178 dnl can interfere with building an executable for the base system. Use this
1179 dnl option in that case.
1180 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1182 AC_MSG_CHECKING(if rpath-hack should be disabled)
1183 CF_ARG_DISABLE(rpath-hack,
1184 [ --disable-rpath-hack don't add rpath options for additional libraries],
1185 [cf_disable_rpath_hack=yes],
1186 [cf_disable_rpath_hack=no])
1187 AC_MSG_RESULT($cf_disable_rpath_hack)
1188 if test "$cf_disable_rpath_hack" = no ; then
1192 dnl ---------------------------------------------------------------------------
1193 dnl CF_ENABLE_PC_FILES version: 6 updated: 2011/09/10 16:31:04
1194 dnl ------------------
1195 dnl This is the "--enable-pc-files" option, which is available if there is a
1196 dnl pkg-config configuration on the local machine.
1197 AC_DEFUN([CF_ENABLE_PC_FILES],[
1198 AC_REQUIRE([CF_PKG_CONFIG])
1199 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1201 if test "$PKG_CONFIG" != no ; then
1202 if test -n "$PKG_CONFIG_LIBDIR" && test -d "$PKG_CONFIG_LIBDIR" ; then
1203 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1204 AC_ARG_ENABLE(pc-files,
1205 [ --enable-pc-files generate and install .pc files for pkg-config],
1206 [enable_pc_files=$enableval],
1207 [enable_pc_files=no])
1208 AC_MSG_RESULT($enable_pc_files)
1209 elif test -z "$PKG_CONFIG_LIBDIR" || test "$PKG_CONFIG_LIBDIR" != no; then
1211 AC_MSG_WARN(did not find $PKG_CONFIG library)
1217 dnl ---------------------------------------------------------------------------
1218 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1220 dnl Check if the rpath option should be used, setting cache variable
1221 dnl cf_cv_enable_rpath if so.
1222 AC_DEFUN([CF_ENABLE_RPATH],
1224 AC_MSG_CHECKING(if rpath option should be used)
1225 AC_ARG_ENABLE(rpath,
1226 [ --enable-rpath use rpath option when generating shared libraries],
1227 [cf_cv_enable_rpath=$enableval],
1228 [cf_cv_enable_rpath=no])
1229 AC_MSG_RESULT($cf_cv_enable_rpath)
1231 dnl ---------------------------------------------------------------------------
1232 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
1234 dnl Check if 'errno' is declared in <errno.h>
1235 AC_DEFUN([CF_ERRNO],
1237 CF_CHECK_ERRNO(errno)
1239 dnl ---------------------------------------------------------------------------
1240 dnl CF_ETIP_DEFINES version: 3 updated: 2003/03/22 19:13:43
1242 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
1243 dnl math.h and builtin.h, only for ncurses
1244 AC_DEFUN([CF_ETIP_DEFINES],
1246 AC_MSG_CHECKING(for special defines needed for etip.h)
1247 cf_save_CXXFLAGS="$CXXFLAGS"
1249 for cf_math in "" MATH_H
1251 for cf_excp in "" MATH_EXCEPTION
1253 CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -I${srcdir}/include"
1254 test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
1255 test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
1257 #include <etip.h.in>
1259 test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
1260 test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
1261 cf_result="$cf_math $cf_excp"
1266 AC_MSG_RESULT($cf_result)
1267 CXXFLAGS="$cf_save_CXXFLAGS"
1269 dnl ---------------------------------------------------------------------------
1270 dnl CF_FIND_LINKAGE version: 19 updated: 2010/05/29 16:31:02
1272 dnl Find a library (specifically the linkage used in the code fragment),
1273 dnl searching for it if it is not already in the library path.
1274 dnl See also CF_ADD_SEARCHPATH.
1276 dnl Parameters (4-on are optional):
1277 dnl $1 = headers for library entrypoint
1278 dnl $2 = code fragment for library entrypoint
1279 dnl $3 = the library name without the "-l" option or ".so" suffix.
1280 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
1281 dnl $5 = action to perform if not successful
1282 dnl $6 = module name, if not the same as the library name
1283 dnl $7 = extra libraries
1285 dnl Sets these variables:
1286 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
1287 dnl $cf_cv_header_path_$3 - include-directory if needed
1288 dnl $cf_cv_library_path_$3 - library-directory if needed
1289 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
1290 AC_DEFUN([CF_FIND_LINKAGE],[
1292 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
1293 # will be set on completion of the AC_TRY_LINK below.
1294 cf_cv_header_path_$3=
1295 cf_cv_library_path_$3=
1297 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
1299 cf_save_LIBS="$LIBS"
1301 AC_TRY_LINK([$1],[$2],[
1302 cf_cv_find_linkage_$3=yes
1303 cf_cv_header_path_$3=/usr/include
1304 cf_cv_library_path_$3=/usr/lib
1307 LIBS="-l$3 $7 $cf_save_LIBS"
1309 AC_TRY_LINK([$1],[$2],[
1310 cf_cv_find_linkage_$3=yes
1311 cf_cv_header_path_$3=/usr/include
1312 cf_cv_library_path_$3=/usr/lib
1313 cf_cv_library_file_$3="-l$3"
1315 cf_cv_find_linkage_$3=no
1316 LIBS="$cf_save_LIBS"
1318 CF_VERBOSE(find linkage for $3 library)
1319 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
1321 cf_save_CPPFLAGS="$CPPFLAGS"
1322 cf_test_CPPFLAGS="$CPPFLAGS"
1324 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
1325 for cf_cv_header_path_$3 in $cf_search
1327 if test -d $cf_cv_header_path_$3 ; then
1328 CF_VERBOSE(... testing $cf_cv_header_path_$3)
1329 CPPFLAGS="$cf_save_CPPFLAGS -I$cf_cv_header_path_$3"
1330 AC_TRY_COMPILE([$1],[$2],[
1331 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
1332 cf_cv_find_linkage_$3=maybe
1333 cf_test_CPPFLAGS="$CPPFLAGS"
1335 CPPFLAGS="$cf_save_CPPFLAGS"
1340 if test "$cf_cv_find_linkage_$3" = maybe ; then
1342 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
1344 cf_save_LIBS="$LIBS"
1345 cf_save_LDFLAGS="$LDFLAGS"
1348 CPPFLAGS="$cf_test_CPPFLAGS"
1349 LIBS="-l$3 $7 $cf_save_LIBS"
1350 AC_TRY_LINK([$1],[$2],[
1351 CF_VERBOSE(... found $3 library in system)
1352 cf_cv_find_linkage_$3=yes])
1353 CPPFLAGS="$cf_save_CPPFLAGS"
1354 LIBS="$cf_save_LIBS"
1357 if test "$cf_cv_find_linkage_$3" != yes ; then
1358 CF_LIBRARY_PATH(cf_search,$3)
1359 for cf_cv_library_path_$3 in $cf_search
1361 if test -d $cf_cv_library_path_$3 ; then
1362 CF_VERBOSE(... testing $cf_cv_library_path_$3)
1363 CPPFLAGS="$cf_test_CPPFLAGS"
1364 LIBS="-l$3 $7 $cf_save_LIBS"
1365 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
1366 AC_TRY_LINK([$1],[$2],[
1367 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
1368 cf_cv_find_linkage_$3=yes
1369 cf_cv_library_file_$3="-l$3"
1371 CPPFLAGS="$cf_save_CPPFLAGS"
1372 LIBS="$cf_save_LIBS"
1373 LDFLAGS="$cf_save_LDFLAGS"
1377 CPPFLAGS="$cf_save_CPPFLAGS"
1378 LDFLAGS="$cf_save_LDFLAGS"
1382 cf_cv_find_linkage_$3=no
1387 LIBS="$cf_save_LIBS"
1389 if test "$cf_cv_find_linkage_$3" = yes ; then
1391 CF_ADD_INCDIR($cf_cv_header_path_$3)
1392 CF_ADD_LIBDIR($cf_cv_library_path_$3)
1396 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
1399 dnl ---------------------------------------------------------------------------
1400 dnl CF_FUNC_DLSYM version: 2 updated: 2010/05/29 16:31:02
1402 dnl Test for dlsym() and related functions, as well as libdl.
1407 AC_DEFUN([CF_FUNC_DLSYM],[
1409 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
1412 AC_CHECK_LIB(dl,dlsym,[
1414 cf_have_libdl=yes])])
1416 if test "$cf_have_dlsym" = yes ; then
1417 test "$cf_have_libdl" = yes && CF_ADD_LIB(dl)
1419 AC_MSG_CHECKING(whether able to link to dl*() functions)
1420 AC_TRY_LINK([#include <dlfcn.h>],[
1422 if ((obj = dlopen("filename", 0)) != 0) {
1423 if (dlsym(obj, "symbolname") == 0) {
1427 AC_DEFINE(HAVE_LIBDL)],[
1428 AC_MSG_ERROR(Cannot link test program for libdl)])
1431 AC_MSG_ERROR(Cannot find dlsym function)
1434 dnl ---------------------------------------------------------------------------
1435 dnl CF_FUNC_MEMMOVE version: 7 updated: 2006/12/16 12:33:30
1437 dnl Check for memmove, or a bcopy that can handle overlapping copy. If neither
1438 dnl is found, add our own version of memmove to the list of objects.
1439 AC_DEFUN([CF_FUNC_MEMMOVE],
1441 AC_CHECK_FUNC(memmove,,[
1442 AC_CHECK_FUNC(bcopy,[
1443 AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
1446 static char data[] = "abcdefghijklmnopqrstuwwxyz";
1448 bcopy(data, temp, sizeof(data));
1449 bcopy(temp+10, temp, 15);
1450 bcopy(temp+5, temp+15, 10);
1451 ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
1454 [cf_cv_good_bcopy=yes],
1455 [cf_cv_good_bcopy=no],
1456 [cf_cv_good_bcopy=unknown])
1458 ],[cf_cv_good_bcopy=no])
1459 if test "$cf_cv_good_bcopy" = yes ; then
1460 AC_DEFINE(USE_OK_BCOPY)
1462 AC_DEFINE(USE_MY_MEMMOVE)
1465 dnl ---------------------------------------------------------------------------
1466 dnl CF_FUNC_NANOSLEEP version: 3 updated: 2006/12/16 12:33:30
1467 dnl -----------------
1468 dnl Check for existence of workable nanosleep() function. Some systems, e.g.,
1469 dnl AIX 4.x, provide a non-working version.
1470 AC_DEFUN([CF_FUNC_NANOSLEEP],[
1471 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
1477 #ifdef HAVE_SYS_TIME_H
1478 #include <sys/time.h>
1482 struct timespec ts1, ts2;
1485 ts1.tv_nsec = 750000000;
1489 code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
1490 ${cf_cv_main_return:-return}(code != 0);
1493 [cf_cv_func_nanosleep=yes],
1494 [cf_cv_func_nanosleep=no],
1495 [cf_cv_func_nanosleep=unknown])])
1497 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP)
1499 dnl ---------------------------------------------------------------------------
1500 dnl CF_FUNC_OPENPTY version: 3 updated: 2010/05/29 16:31:02
1502 dnl Check for openpty() function, along with <pty.h> header. It may need the
1503 dnl "util" library as well.
1504 AC_DEFUN([CF_FUNC_OPENPTY],
1506 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
1507 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
1508 cf_save_LIBS="$LIBS"
1509 test $cf_cv_lib_util = yes && CF_ADD_LIB(util)
1510 for cf_header in pty.h libutil.h util.h
1513 #include <$cf_header>
1515 int x = openpty((int *)0, (int *)0, (char *)0,
1516 (struct termios *)0, (struct winsize *)0);
1518 cf_cv_func_openpty=$cf_header
1521 cf_cv_func_openpty=no
1524 LIBS="$cf_save_LIBS"
1527 dnl ---------------------------------------------------------------------------
1528 dnl CF_FUNC_POLL version: 4 updated: 2006/12/16 12:33:30
1530 dnl See if the poll function really works. Some platforms have poll(), but
1531 dnl it does not work for terminals or files.
1532 AC_DEFUN([CF_FUNC_POLL],[
1533 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
1539 #include <sys/poll.h>
1542 struct pollfd myfds;
1546 myfds.events = POLLIN;
1548 ret = poll(&myfds, 1, 100);
1549 ${cf_cv_main_return:-return}(ret != 0);
1551 [cf_cv_working_poll=yes],
1552 [cf_cv_working_poll=no],
1553 [cf_cv_working_poll=unknown])])
1554 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL)
1556 dnl ---------------------------------------------------------------------------
1557 dnl CF_FUNC_TERMIOS version: 2 updated: 2000/07/22 23:37:24
1559 dnl Some old/broken variations define tcgetattr() only as a macro in
1561 AC_DEFUN([CF_FUNC_TERMIOS],[
1562 AC_REQUIRE([CF_STRUCT_TERMIOS])
1563 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
1565 #include <sys/types.h>
1566 #ifdef HAVE_UNISTD_H
1569 #ifdef HAVE_TERMIOS_H
1570 #include <termios.h>
1571 #define TTY struct termios
1573 #ifdef HAVE_TERMIO_H
1575 #define TTY struct termio
1580 tcgetattr(1, &foo);],
1581 [cf_cv_have_tcgetattr=yes],
1582 [cf_cv_have_tcgetattr=no])])
1583 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR)
1585 dnl ---------------------------------------------------------------------------
1586 dnl CF_FUNC_VSSCANF version: 3 updated: 2001/12/19 00:50:10
1588 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
1589 dnl versions of C. It is in the GNU C library, and can often be simulated by
1590 dnl other functions.
1591 AC_DEFUN([CF_FUNC_VSSCANF],
1593 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
1596 #include <stdio.h>],[
1598 vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
1601 #include <stdio.h>],[
1605 strbuf._flag = _IOREAD;
1606 strbuf._ptr = strbuf._base = (unsigned char *) str;
1607 strbuf._cnt = strlen(str);
1608 strbuf._file = _NFILE;
1609 return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
1612 #include <stdio.h>],[
1616 strbuf._flag = _IOREAD;
1617 strbuf._ptr = strbuf._base = (unsigned char *) str;
1618 strbuf._cnt = strlen(str);
1619 strbuf._file = _NFILE;
1620 return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
1621 cf_cv_func_vsscanf=no])])])])
1623 case $cf_cv_func_vsscanf in #(vi
1624 vsscanf) AC_DEFINE(HAVE_VSSCANF);; #(vi
1625 vfscanf) AC_DEFINE(HAVE_VFSCANF);; #(vi
1626 _doscan) AC_DEFINE(HAVE__DOSCAN);;
1630 dnl ---------------------------------------------------------------------------
1631 dnl CF_GCC_ATTRIBUTES version: 14 updated: 2010/10/23 15:52:32
1632 dnl -----------------
1633 dnl Test for availability of useful gcc __attribute__ directives to quiet
1634 dnl compiler warnings. Though useful, not all are supported -- and contrary
1635 dnl to documentation, unrecognized directives cause older compilers to barf.
1636 AC_DEFUN([CF_GCC_ATTRIBUTES],
1638 if test "$GCC" = yes
1640 cat > conftest.i <<EOF
1642 #define GCC_PRINTF 0
1647 #ifndef GCC_NORETURN
1648 #define GCC_NORETURN /* nothing */
1651 #define GCC_UNUSED /* nothing */
1654 if test "$GCC" = yes
1656 AC_CHECKING([for $CC __attribute__ directives])
1657 cat > conftest.$ac_ext <<EOF
1658 #line __oline__ "${as_me:-configure}"
1659 #include "confdefs.h"
1660 #include "conftest.h"
1661 #include "conftest.i"
1663 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1665 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
1668 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1670 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
1672 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
1673 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
1674 extern void foo(void) GCC_NORETURN;
1675 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { return 0; }
1677 cf_printf_attribute=no
1678 cf_scanf_attribute=no
1679 for cf_attribute in scanf printf unused noreturn
1681 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
1682 cf_directive="__attribute__(($cf_attribute))"
1683 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
1685 case $cf_attribute in #(vi
1687 cf_printf_attribute=yes
1688 cat >conftest.h <<EOF
1689 #define GCC_$cf_ATTRIBUTE 1
1693 cf_scanf_attribute=yes
1694 cat >conftest.h <<EOF
1695 #define GCC_$cf_ATTRIBUTE 1
1699 cat >conftest.h <<EOF
1700 #define GCC_$cf_ATTRIBUTE $cf_directive
1705 if AC_TRY_EVAL(ac_compile); then
1706 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
1707 cat conftest.h >>confdefs.h
1708 case $cf_attribute in #(vi
1710 if test "$cf_printf_attribute" = no ; then
1711 cat >>confdefs.h <<EOF
1712 #define GCC_PRINTFLIKE(fmt,var) /* nothing */
1715 cat >>confdefs.h <<EOF
1716 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
1721 if test "$cf_scanf_attribute" = no ; then
1722 cat >>confdefs.h <<EOF
1723 #define GCC_SCANFLIKE(fmt,var) /* nothing */
1726 cat >>confdefs.h <<EOF
1727 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
1735 fgrep define conftest.i >>confdefs.h
1740 dnl ---------------------------------------------------------------------------
1741 dnl CF_GCC_VERSION version: 5 updated: 2010/04/24 11:02:31
1743 dnl Find version of gcc
1744 AC_DEFUN([CF_GCC_VERSION],[
1745 AC_REQUIRE([AC_PROG_CC])
1747 if test "$GCC" = yes ; then
1748 AC_MSG_CHECKING(version of $CC)
1749 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
1750 test -z "$GCC_VERSION" && GCC_VERSION=unknown
1751 AC_MSG_RESULT($GCC_VERSION)
1754 dnl ---------------------------------------------------------------------------
1755 dnl CF_GCC_WARNINGS version: 27 updated: 2010/10/23 15:52:32
1757 dnl Check if the compiler supports useful warning options. There's a few that
1758 dnl we don't use, simply because they're too noisy:
1760 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
1761 dnl -Wredundant-decls (system headers make this too noisy)
1762 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
1763 dnl -Wwrite-strings (too noisy, but should review occasionally). This
1764 dnl is enabled for ncurses using "--enable-const".
1768 dnl $1 is an optional list of gcc warning flags that a particular
1769 dnl application might want to use, e.g., "no-unused" for
1772 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
1774 AC_DEFUN([CF_GCC_WARNINGS],
1776 AC_REQUIRE([CF_GCC_VERSION])
1777 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
1779 cat > conftest.$ac_ext <<EOF
1780 #line __oline__ "${as_me:-configure}"
1781 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
1784 if test "$INTEL_COMPILER" = yes
1786 # The "-wdXXX" options suppress warnings:
1787 # remark #1419: external declaration in primary source file
1788 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
1789 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
1790 # remark #193: zero used for undefined preprocessing identifier
1791 # remark #593: variable "curs_sb_left_arrow" was set but never used
1792 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
1793 # remark #869: parameter "tw" was never referenced
1794 # remark #981: operands are evaluated in unspecified order
1795 # warning #279: controlling expression is constant
1797 AC_CHECKING([for $CC warning options])
1798 cf_save_CFLAGS="$CFLAGS"
1799 EXTRA_CFLAGS="-Wall"
1811 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1812 if AC_TRY_EVAL(ac_compile); then
1813 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1814 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1817 CFLAGS="$cf_save_CFLAGS"
1819 elif test "$GCC" = yes
1821 AC_CHECKING([for $CC warning options])
1822 cf_save_CFLAGS="$CFLAGS"
1825 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
1826 for cf_opt in W Wall \
1827 Wbad-function-cast \
1831 Wmissing-declarations \
1832 Wmissing-prototypes \
1836 Wstrict-prototypes \
1837 Wundef $cf_warn_CONST $1
1839 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
1840 if AC_TRY_EVAL(ac_compile); then
1841 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
1842 case $cf_opt in #(vi
1844 CPPFLAGS="$CPPFLAGS -DXTSTRINGDEFINES"
1847 case $GCC_VERSION in
1849 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
1854 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
1857 CFLAGS="$cf_save_CFLAGS"
1861 AC_SUBST(EXTRA_CFLAGS)
1863 dnl ---------------------------------------------------------------------------
1864 dnl CF_GETOPT_HEADER version: 4 updated: 2009/08/31 20:07:52
1865 dnl ----------------
1866 dnl Check for getopt's variables which are commonly defined in stdlib.h,
1867 dnl unistd.h or (nonstandard) in getopt.h
1868 AC_DEFUN([CF_GETOPT_HEADER],
1870 AC_HAVE_HEADERS(unistd.h getopt.h)
1871 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
1872 cf_cv_getopt_header=none
1873 for cf_header in stdio.h stdlib.h unistd.h getopt.h
1876 #include <$cf_header>],
1877 [int x = optind; char *y = optarg],
1878 [cf_cv_getopt_header=$cf_header
1882 if test $cf_cv_getopt_header != none ; then
1883 AC_DEFINE(HAVE_GETOPT_HEADER)
1886 dnl ---------------------------------------------------------------------------
1887 dnl CF_GNAT_GENERICS version: 2 updated: 2011/03/23 20:24:41
1888 dnl ----------------
1889 AC_DEFUN([CF_GNAT_GENERICS],
1891 AC_REQUIRE([CF_GNAT_VERSION])
1893 AC_MSG_CHECKING(if GNAT supports generics)
1894 case $cf_gnat_version in #(vi
1895 3.[[1-9]]*|[[4-9]].*) #(vi
1896 cf_gnat_generics=yes
1902 AC_MSG_RESULT($cf_gnat_generics)
1904 if test "$cf_gnat_generics" = yes
1906 cf_compile_generics=generics
1907 cf_generic_objects="\${GENOBJS}"
1909 cf_compile_generics=
1913 AC_SUBST(cf_compile_generics)
1914 AC_SUBST(cf_generic_objects)
1916 dnl ---------------------------------------------------------------------------
1917 dnl CF_GNAT_PRAGMA_UNREF version: 1 updated: 2010/06/19 15:22:18
1918 dnl --------------------
1919 dnl Check if the gnat pragma "Unreferenced" works.
1920 AC_DEFUN([CF_GNAT_PRAGMA_UNREF],[
1921 AC_CACHE_CHECK(if GNAT pragma Unreferenced works,cf_cv_pragma_unreferenced,[
1922 CF_GNAT_TRY_LINK([procedure conftest;],
1925 procedure conftest is
1927 pragma Unreferenced (test);
1930 Text_IO.Put ("Hello World");
1932 GNAT.OS_Lib.OS_Exit (0);
1934 [cf_cv_pragma_unreferenced=yes],
1935 [cf_cv_pragma_unreferenced=no])])
1937 # if the pragma is supported, use it (needed in the Trace code).
1938 if test $cf_cv_pragma_unreferenced = yes ; then
1943 AC_SUBST(PRAGMA_UNREF)
1945 dnl ---------------------------------------------------------------------------
1946 dnl CF_GNAT_PROJECTS version: 2 updated: 2011/03/23 20:24:41
1947 dnl ----------------
1948 dnl GNAT projects are configured with ".gpr" project files.
1949 dnl GNAT libraries are a further development, using the project feature.
1950 AC_DEFUN([CF_GNAT_PROJECTS],
1952 AC_REQUIRE([CF_GNAT_VERSION])
1954 cf_gnat_libraries=no
1957 AC_MSG_CHECKING(if GNAT supports project files)
1958 case $cf_gnat_version in #(vi
1962 case $cf_cv_system_name in #(vi
1966 mkdir conftest.src conftest.bin conftest.lib
1968 rm -rf conftest* *~conftest*
1969 cat >>library.gpr <<CF_EOF
1971 Kind := External ("LIB_KIND");
1972 for Library_Name use "ConfTest";
1973 for Object_Dir use ".";
1974 for Library_ALI_Dir use External("LIBRARY_DIR");
1975 for Library_Version use External ("SONAME");
1976 for Library_Kind use Kind;
1977 for Library_Dir use External("BUILD_DIR");
1978 Source_Dir := External ("SOURCE_DIR");
1979 for Source_Dirs use (Source_Dir);
1981 for Default_Switches ("Ada") use
1985 "-gnatVa", -- All validity checks
1986 "-gnatwa"); -- Activate all optional errors
1990 cat >>confpackage.ads <<CF_EOF
1991 package ConfPackage is
1995 cat >>confpackage.adb <<CF_EOF
1997 package body ConfPackage is
1998 procedure conftest is
2000 Text_IO.Put ("Hello World");
2005 if ( $cf_ada_make $ADAFLAGS \
2007 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
2008 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
2009 -XSOURCE_DIR=`pwd` \
2010 -XSONAME=libConfTest.so.1 \
2011 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
2012 cf_gnat_projects=yes
2015 if test -f conftest.lib/confpackage.ali
2017 cf_gnat_libraries=yes
2019 rm -rf conftest* *~conftest*
2024 AC_MSG_RESULT($cf_gnat_projects)
2026 if test $cf_gnat_projects = yes
2028 AC_MSG_CHECKING(if GNAT supports libraries)
2029 AC_MSG_RESULT($cf_gnat_libraries)
2032 if test "$cf_gnat_projects" = yes
2034 USE_OLD_MAKERULES="#"
2035 USE_GNAT_PROJECTS=""
2037 USE_OLD_MAKERULES=""
2038 USE_GNAT_PROJECTS="#"
2041 if test "$cf_gnat_libraries" = yes
2043 USE_GNAT_LIBRARIES=""
2045 USE_GNAT_LIBRARIES="#"
2048 AC_SUBST(USE_OLD_MAKERULES)
2049 AC_SUBST(USE_GNAT_PROJECTS)
2050 AC_SUBST(USE_GNAT_LIBRARIES)
2052 dnl ---------------------------------------------------------------------------
2053 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
2055 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
2056 dnl is noted that gnat may compile a tasking unit even for configurations which
2057 dnl fail at runtime.
2058 AC_DEFUN([CF_GNAT_SIGINT],[
2059 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
2060 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
2064 pragma Warnings (Off); -- the next pragma exists since 3.11p
2065 pragma Unreserve_All_Interrupts;
2066 pragma Warnings (On);
2068 protected Process is
2070 function Continue return Boolean;
2071 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
2073 Done : Boolean := False;
2077 [package body ConfTest is
2078 protected body Process is
2083 function Continue return Boolean is
2089 [cf_cv_gnat_sigint=yes],
2090 [cf_cv_gnat_sigint=no])])
2092 if test $cf_cv_gnat_sigint = yes ; then
2097 AC_SUBST(USE_GNAT_SIGINT)
2099 dnl ---------------------------------------------------------------------------
2100 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
2101 dnl ----------------
2102 dnl Verify that a test program compiles/links with GNAT.
2103 dnl $cf_ada_make is set to the program that compiles/links
2104 dnl $ADAFLAGS may be set to the GNAT flags.
2106 dnl $1 is the text of the spec
2107 dnl $2 is the text of the body
2108 dnl $3 is the shell command to execute if successful
2109 dnl $4 is the shell command to execute if not successful
2110 AC_DEFUN([CF_GNAT_TRY_LINK],
2112 rm -rf conftest* *~conftest*
2113 cat >>conftest.ads <<CF_EOF
2116 cat >>conftest.adb <<CF_EOF
2119 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2120 ifelse($3,, :,[ $3])
2124 rm -rf conftest* *~conftest*
2126 dnl ---------------------------------------------------------------------------
2127 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
2129 dnl Verify that a test program compiles and runs with GNAT
2130 dnl $cf_ada_make is set to the program that compiles/links
2131 dnl $ADAFLAGS may be set to the GNAT flags.
2133 dnl $1 is the text of the spec
2134 dnl $2 is the text of the body
2135 dnl $3 is the shell command to execute if successful
2136 dnl $4 is the shell command to execute if not successful
2137 AC_DEFUN([CF_GNAT_TRY_RUN],
2139 rm -rf conftest* *~conftest*
2140 cat >>conftest.ads <<CF_EOF
2143 cat >>conftest.adb <<CF_EOF
2146 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
2147 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
2148 ifelse($3,, :,[ $3])
2155 rm -rf conftest* *~conftest*
2157 dnl ---------------------------------------------------------------------------
2158 dnl CF_GNAT_VERSION version: 17 updated: 2011/03/23 20:24:41
2160 dnl Verify version of GNAT.
2161 AC_DEFUN([CF_GNAT_VERSION],
2163 AC_MSG_CHECKING(for gnat version)
2164 cf_gnat_version=`${cf_ada_make:-gnatmake} -v 2>&1 | \
2165 grep '[[0-9]].[[0-9]][[0-9]]*' |\
2166 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
2167 AC_MSG_RESULT($cf_gnat_version)
2169 case $cf_gnat_version in #(vi
2170 3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*) #(vi
2171 cf_cv_prog_gnat_correct=yes
2174 AC_MSG_WARN(Unsupported GNAT version $cf_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
2175 cf_cv_prog_gnat_correct=no
2179 dnl ---------------------------------------------------------------------------
2180 dnl CF_GNU_SOURCE version: 6 updated: 2005/07/09 13:23:07
2182 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
2183 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
2184 dnl (or misfeature) of glibc2, which breaks portability of many applications,
2185 dnl since it is interwoven with GNU extensions.
2187 dnl Well, yes we could work around it...
2188 AC_DEFUN([CF_GNU_SOURCE],
2190 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
2191 AC_TRY_COMPILE([#include <sys/types.h>],[
2192 #ifndef _XOPEN_SOURCE
2195 [cf_cv_gnu_source=no],
2196 [cf_save="$CPPFLAGS"
2197 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2198 AC_TRY_COMPILE([#include <sys/types.h>],[
2199 #ifdef _XOPEN_SOURCE
2202 [cf_cv_gnu_source=no],
2203 [cf_cv_gnu_source=yes])
2207 test "$cf_cv_gnu_source" = yes && CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
2209 dnl ---------------------------------------------------------------------------
2210 dnl CF_GPP_LIBRARY version: 10 updated: 2010/05/29 16:31:02
2212 dnl If we're trying to use g++, test if libg++ is installed (a rather common
2213 dnl problem :-). If we have the compiler but no library, we'll be able to
2214 dnl configure, but won't be able to build the c++ demo program.
2215 AC_DEFUN([CF_GPP_LIBRARY],
2217 cf_cxx_library=unknown
2218 case $cf_cv_system_name in #(vi
2226 if test "$GXX" = yes; then
2227 AC_MSG_CHECKING([for lib$cf_gpp_libname])
2229 CF_ADD_LIB($cf_gpp_libname)
2231 #include <$cf_gpp_libname/builtin.h>
2233 [two_arg_error_handler_t foo2 = lib_error_handler],
2235 CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2236 if test "$cf_gpp_libname" = cpp ; then
2237 AC_DEFINE(HAVE_GPP_BUILTIN_H)
2239 AC_DEFINE(HAVE_GXX_BUILTIN_H)
2242 #include <builtin.h>
2244 [two_arg_error_handler_t foo2 = lib_error_handler],
2246 CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
2247 AC_DEFINE(HAVE_BUILTIN_H)],
2248 [cf_cxx_library=no])])
2250 AC_MSG_RESULT($cf_cxx_library)
2253 dnl ---------------------------------------------------------------------------
2254 dnl CF_GXX_VERSION version: 6 updated: 2010/10/23 15:44:18
2256 dnl Check for version of g++
2257 AC_DEFUN([CF_GXX_VERSION],[
2258 AC_REQUIRE([AC_PROG_CPP])
2260 if test "$GXX" = yes; then
2261 AC_MSG_CHECKING(version of g++)
2262 GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2263 test -z "$GXX_VERSION" && GXX_VERSION=unknown
2264 AC_MSG_RESULT($GXX_VERSION)
2267 dnl ---------------------------------------------------------------------------
2268 dnl CF_GXX_WARNINGS version: 6 updated: 2010/08/14 18:25:37
2270 dnl Check if the compiler supports useful warning options.
2272 dnl Most of gcc's options apply to g++, except:
2273 dnl -Wbad-function-cast
2274 dnl -Wmissing-declarations
2275 dnl -Wnested-externs
2277 dnl Omit a few (for now):
2281 dnl $1 is an optional list of g++ warning flags that a particular
2282 dnl application might want to use, e.g., "no-unused" for
2285 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
2287 AC_DEFUN([CF_GXX_WARNINGS],
2290 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
2292 AC_REQUIRE([CF_GXX_VERSION])
2297 cat > conftest.$ac_ext <<EOF
2298 #line __oline__ "configure"
2299 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2302 if test "$INTEL_CPLUSPLUS" = yes
2304 # The "-wdXXX" options suppress warnings:
2305 # remark #1419: external declaration in primary source file
2306 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2307 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2308 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2309 # remark #193: zero used for undefined preprocessing identifier
2310 # remark #593: variable "curs_sb_left_arrow" was set but never used
2311 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2312 # remark #869: parameter "tw" was never referenced
2313 # remark #981: operands are evaluated in unspecified order
2314 # warning #269: invalid format string conversion
2316 AC_CHECKING([for $CC warning options])
2317 cf_save_CXXFLAGS="$CXXFLAGS"
2318 EXTRA_CXXFLAGS="-Wall"
2331 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
2332 if AC_TRY_EVAL(ac_compile); then
2333 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2334 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2337 CXXFLAGS="$cf_save_CXXFLAGS"
2339 elif test "$GXX" = yes
2341 AC_CHECKING([for $CXX warning options])
2342 cf_save_CXXFLAGS="$CXXFLAGS"
2343 EXTRA_CXXFLAGS="-W -Wall"
2344 cf_gxx_extra_warnings=""
2345 test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
2346 case "$GCC_VERSION" in
2350 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
2356 Woverloaded-virtual \
2362 Wmissing-prototypes \
2365 Wstrict-prototypes \
2366 Wundef $cf_gxx_extra_warnings $1
2368 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
2369 if AC_TRY_EVAL(ac_compile); then
2370 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2371 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
2373 test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
2376 CXXFLAGS="$cf_save_CXXFLAGS"
2381 AC_SUBST(EXTRA_CXXFLAGS)
2383 dnl ---------------------------------------------------------------------------
2384 dnl CF_HASHED_DB version: 4 updated: 2010/05/29 16:31:02
2386 dnl Look for an instance of the Berkeley hashed database.
2388 dnl $1 = optional parameter, to specify install-prefix for the database.
2389 AC_DEFUN([CF_HASHED_DB],
2396 if test -d "$1" ; then
2397 CF_ADD_INCDIR($1/include)
2398 CF_ADD_LIBDIR($1/lib)
2402 AC_CHECK_HEADER(db.h,[
2403 CF_HASHED_DB_VERSION
2404 if test "$cf_cv_hashed_db_version" = unknown ; then
2405 AC_MSG_ERROR(Cannot determine version of db)
2408 if test "$cf_cv_hashed_db_libs" = unknown ; then
2409 AC_MSG_ERROR(Cannot determine library for db)
2410 elif test "$cf_cv_hashed_db_libs" != default ; then
2411 CF_ADD_LIB($cf_cv_hashed_db_libs)
2415 AC_MSG_ERROR(Cannot find db.h)
2418 dnl ---------------------------------------------------------------------------
2419 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
2420 dnl -----------------
2421 dnl Given that we have the header and version for hashed database, find the
2422 dnl library information.
2423 AC_DEFUN([CF_HASHED_DB_LIBS],
2425 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
2426 cf_cv_hashed_db_libs=unknown
2427 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
2429 cf_save_libs="$LIBS"
2430 if test -n "$cf_db_libs"; then
2431 CF_ADD_LIB($cf_db_libs)
2433 CF_MSG_LOG(checking for library "$cf_db_libs")
2435 $ac_includes_default
2438 char *path = "/tmp/foo";
2439 #ifdef DB_VERSION_MAJOR
2440 #if DB_VERSION_MAJOR >= 4
2442 db_create(&result, NULL, 0);
2443 result->open(result,
2450 #elif DB_VERSION_MAJOR >= 3
2452 db_create(&result, NULL, 0);
2453 result->open(result,
2459 #elif DB_VERSION_MAJOR >= 2
2468 #endif /* DB_VERSION_MAJOR */
2470 DB *result = dbopen(path,
2476 ${cf_cv_main_return:-return}(result != 0)
2478 if test -n "$cf_db_libs" ; then
2479 cf_cv_hashed_db_libs=$cf_db_libs
2481 cf_cv_hashed_db_libs=default
2483 LIBS="$cf_save_libs"
2486 LIBS="$cf_save_libs"
2490 dnl ---------------------------------------------------------------------------
2491 dnl CF_HASHED_DB_VERSION version: 3 updated: 2007/12/01 15:01:37
2492 dnl --------------------
2493 dnl Given that we have the header file for hashed database, find the version
2495 AC_DEFUN([CF_HASHED_DB_VERSION],
2497 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
2498 cf_cv_hashed_db_version=unknown
2500 for cf_db_version in 1 2 3 4 5
2502 CF_MSG_LOG(checking for db version $cf_db_version)
2504 $ac_includes_default
2507 #ifdef DB_VERSION_MAJOR
2508 /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
2509 #if $cf_db_version == DB_VERSION_MAJOR
2515 #if $cf_db_version == 1
2516 /* ok: assuming this is DB 1.8.5 */
2522 cf_cv_hashed_db_version=$cf_db_version
2528 dnl ---------------------------------------------------------------------------
2529 dnl CF_HEADER_PATH version: 12 updated: 2010/05/05 05:22:40
2531 dnl Construct a search-list of directories for a nonstandard header-file
2534 dnl $1 = the variable to return as result
2535 dnl $2 = the package name
2536 AC_DEFUN([CF_HEADER_PATH],
2540 # collect the current set of include-directories from compiler flags
2541 cf_header_path_list=""
2542 if test -n "${CFLAGS}${CPPFLAGS}" ; then
2543 for cf_header_path in $CPPFLAGS $CFLAGS
2545 case $cf_header_path in #(vi
2547 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
2548 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
2549 cf_header_path_list="$cf_header_path_list [$]$1"
2555 # add the variations for the package we are looking for
2556 CF_SUBDIR_PATH($1,$2,include)
2558 test "$includedir" != NONE && \
2559 test "$includedir" != "/usr/include" && \
2560 test -d "$includedir" && {
2561 test -d $includedir && $1="[$]$1 $includedir"
2562 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
2565 test "$oldincludedir" != NONE && \
2566 test "$oldincludedir" != "/usr/include" && \
2567 test -d "$oldincludedir" && {
2568 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
2569 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
2572 $1="[$]$1 $cf_header_path_list"
2574 dnl ---------------------------------------------------------------------------
2575 dnl CF_HELP_MESSAGE version: 3 updated: 1998/01/14 10:56:23
2577 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
2578 AC_DEFUN([CF_HELP_MESSAGE],
2579 [AC_DIVERT_HELP([$1])dnl
2581 dnl ---------------------------------------------------------------------------
2582 dnl CF_INCLUDE_DIRS version: 6 updated: 2009/01/06 19:37:40
2584 dnl Construct the list of include-options according to whether we're building
2585 dnl in the source directory or using '--srcdir=DIR' option. If we're building
2586 dnl with gcc, don't append the includedir if it happens to be /usr/include,
2587 dnl since that usually breaks gcc's shadow-includes.
2588 AC_DEFUN([CF_INCLUDE_DIRS],
2590 CPPFLAGS="$CPPFLAGS -I. -I../include"
2591 if test "$srcdir" != "."; then
2592 CPPFLAGS="$CPPFLAGS -I\${srcdir}/../include"
2594 if test "$GCC" != yes; then
2595 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2596 elif test "$includedir" != "/usr/include"; then
2597 if test "$includedir" = '${prefix}/include' ; then
2598 if test $prefix != /usr ; then
2599 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2602 CPPFLAGS="$CPPFLAGS -I\${includedir}"
2607 dnl ---------------------------------------------------------------------------
2608 dnl CF_INTEL_COMPILER version: 4 updated: 2010/05/26 05:38:42
2609 dnl -----------------
2610 dnl Check if the given compiler is really the Intel compiler for Linux. It
2611 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
2612 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
2614 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
2615 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
2616 dnl the wrappers for gcc and g++ warnings.
2618 dnl $1 = GCC (default) or GXX
2619 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
2620 dnl $3 = CFLAGS (default) or CXXFLAGS
2621 AC_DEFUN([CF_INTEL_COMPILER],[
2622 ifelse([$2],,INTEL_COMPILER,[$2])=no
2624 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
2627 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
2628 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
2629 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
2631 #ifdef __INTEL_COMPILER
2635 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
2636 cf_save_CFLAGS="$cf_save_CFLAGS -we147 -no-gcc"
2638 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
2639 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
2644 dnl ---------------------------------------------------------------------------
2645 dnl CF_ISASCII version: 3 updated: 2000/08/12 23:18:52
2647 dnl Check if we have either a function or macro for 'isascii()'.
2648 AC_DEFUN([CF_ISASCII],
2650 AC_MSG_CHECKING(for isascii)
2651 AC_CACHE_VAL(cf_cv_have_isascii,[
2652 AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
2653 [cf_cv_have_isascii=yes],
2654 [cf_cv_have_isascii=no])
2656 AC_MSG_RESULT($cf_cv_have_isascii)
2657 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII)
2659 dnl ---------------------------------------------------------------------------
2660 dnl CF_LARGEFILE version: 7 updated: 2007/06/02 11:58:50
2662 dnl Add checks for large file support.
2663 AC_DEFUN([CF_LARGEFILE],[
2664 ifdef([AC_FUNC_FSEEKO],[
2666 if test "$enable_largefile" != no ; then
2669 # Normally we would collect these definitions in the config.h,
2670 # but (like _XOPEN_SOURCE), some environments rely on having these
2671 # defined before any of the system headers are included. Another
2672 # case comes up with C++, e.g., on AIX the compiler compiles the
2673 # header files by themselves before looking at the body files it is
2674 # told to compile. For ncurses, those header files do not include
2676 test "$ac_cv_sys_large_files" != no && CPPFLAGS="$CPPFLAGS -D_LARGE_FILES "
2677 test "$ac_cv_sys_largefile_source" != no && CPPFLAGS="$CPPFLAGS -D_LARGEFILE_SOURCE "
2678 test "$ac_cv_sys_file_offset_bits" != no && CPPFLAGS="$CPPFLAGS -D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits "
2680 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
2682 #include <sys/types.h>
2685 /* if transitional largefile support is setup, this is true */
2686 extern struct dirent64 * readdir(DIR *);
2687 struct dirent64 *x = readdir((DIR *)0);
2688 struct dirent *y = readdir((DIR *)0);
2691 [cf_cv_struct_dirent64=yes],
2692 [cf_cv_struct_dirent64=no])
2694 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64)
2698 dnl ---------------------------------------------------------------------------
2699 dnl CF_LDFLAGS_STATIC version: 9 updated: 2011/07/02 15:36:04
2700 dnl -----------------
2701 dnl Check for compiler/linker flags used to temporarily force usage of static
2702 dnl libraries. This depends on the compiler and platform. Use this to help
2703 dnl ensure that the linker picks up a given library based on its position in
2704 dnl the list of linker options and libraries.
2705 AC_DEFUN([CF_LDFLAGS_STATIC],[
2707 if test "$GCC" = yes ; then
2708 case $cf_cv_system_name in #(
2709 OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*) #( vi
2713 *) #( normally, except when broken
2714 LDFLAGS_STATIC=-static
2715 LDFLAGS_SHARED=-dynamic
2719 case $cf_cv_system_name in #(
2720 aix[[4-7]]*) #( from ld manpage
2721 LDFLAGS_STATIC=-bstatic
2722 LDFLAGS_SHARED=-bdynamic
2724 hpux*) #( from ld manpage for hpux10.20, hpux11.11
2725 # We could also use just "archive" and "shared".
2726 LDFLAGS_STATIC=-Wl,-a,archive_shared
2727 LDFLAGS_SHARED=-Wl,-a,shared_archive
2729 irix*) #( from ld manpage IRIX64
2730 LDFLAGS_STATIC=-Bstatic
2731 LDFLAGS_SHARED=-Bdynamic
2733 osf[[45]]*) #( from ld manpage osf4.0d, osf5.1
2734 # alternative "-oldstyle_liblookup" (not in cc manpage)
2735 LDFLAGS_STATIC=-noso
2736 LDFLAGS_SHARED=-so_archive
2739 LDFLAGS_STATIC=-Bstatic
2740 LDFLAGS_SHARED=-Bdynamic
2745 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
2747 AC_MSG_CHECKING(if linker supports switching between static/dynamic)
2750 cat >conftest.$ac_ext <<EOF
2751 #line __oline__ "configure"
2753 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
2755 if AC_TRY_EVAL(ac_compile) ; then
2756 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
2757 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
2761 cf_save_LIBS="$LIBS"
2763 LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
2765 #line __oline__ "configure"
2767 int cf_ldflags_static(FILE *fp);
2769 return cf_ldflags_static(stdin);
2770 ],[cf_ldflags_static=yes],[cf_ldflags_static=no])
2773 LIBS="$cf_save_LIBS"
2775 AC_MSG_RESULT($cf_ldflags_static)
2777 if test $cf_ldflags_static != yes
2787 AC_SUBST(LDFLAGS_STATIC)
2788 AC_SUBST(LDFLAGS_SHARED)
2790 dnl ---------------------------------------------------------------------------
2791 dnl CF_LD_RPATH_OPT version: 5 updated: 2011/07/17 14:48:41
2793 dnl For the given system and compiler, find the compiler flags to pass to the
2794 dnl loader to use the "rpath" feature.
2795 AC_DEFUN([CF_LD_RPATH_OPT],
2797 AC_REQUIRE([CF_CHECK_CACHE])
2800 AC_MSG_CHECKING(for an rpath option)
2801 case $cf_cv_system_name in #(vi
2803 if test "$GCC" = yes; then
2804 LD_RPATH_OPT="-Wl,-rpath,"
2806 LD_RPATH_OPT="-rpath "
2809 linux*|gnu*|k*bsd*-gnu) #(vi
2810 LD_RPATH_OPT="-Wl,-rpath,"
2812 openbsd[[2-9]].*|mirbsd*) #(vi
2813 LD_RPATH_OPT="-Wl,-rpath,"
2815 dragonfly*|freebsd*) #(vi
2816 LD_RPATH_OPT="-rpath "
2819 LD_RPATH_OPT="-Wl,-rpath,"
2822 LD_RPATH_OPT="-rpath "
2830 AC_MSG_RESULT($LD_RPATH_OPT)
2832 case "x$LD_RPATH_OPT" in #(vi
2834 AC_MSG_CHECKING(if we need a space after rpath option)
2835 cf_save_LIBS="$LIBS"
2836 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
2837 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
2838 LIBS="$cf_save_LIBS"
2839 AC_MSG_RESULT($cf_rpath_space)
2840 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
2844 dnl ---------------------------------------------------------------------------
2845 dnl CF_LIBRARY_PATH version: 9 updated: 2010/03/28 12:52:50
2847 dnl Construct a search-list of directories for a nonstandard library-file
2850 dnl $1 = the variable to return as result
2851 dnl $2 = the package name
2852 AC_DEFUN([CF_LIBRARY_PATH],
2855 cf_library_path_list=""
2856 if test -n "${LDFLAGS}${LIBS}" ; then
2857 for cf_library_path in $LDFLAGS $LIBS
2859 case $cf_library_path in #(vi
2861 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
2862 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
2863 cf_library_path_list="$cf_library_path_list [$]$1"
2869 CF_SUBDIR_PATH($1,$2,lib)
2871 $1="$cf_library_path_list [$]$1"
2873 dnl ---------------------------------------------------------------------------
2874 dnl CF_LIB_PREFIX version: 8 updated: 2008/09/13 11:34:16
2876 dnl Compute the library-prefix for the given host system
2877 dnl $1 = variable to set
2878 AC_DEFUN([CF_LIB_PREFIX],
2880 case $cf_cv_system_name in #(vi
2887 ifelse($1,,,[$1=$LIB_PREFIX])
2888 AC_SUBST(LIB_PREFIX)
2890 dnl ---------------------------------------------------------------------------
2891 dnl CF_LIB_RULES version: 61 updated: 2010/10/23 16:10:30
2893 dnl Append definitions and rules for the given models to the subdirectory
2894 dnl Makefiles, and the recursion rule for the top-level Makefile. If the
2895 dnl subdirectory is a library-source directory, modify the LIBS_TO_MAKE list in
2896 dnl the corresponding makefile to list the models that we'll generate.
2898 dnl For shared libraries, make a list of symbolic links to construct when
2899 dnl generating each library. The convention used for Linux is the simplest
2902 dnl lib<name>.so.<major> ->
2903 dnl lib<name>.so.<maj>.<minor>
2904 AC_DEFUN([CF_LIB_RULES],
2906 CF_LIB_PREFIX(cf_prefix)
2907 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
2909 if test $cf_cv_shlib_version = cygdll ; then
2910 TINFO_NAME=$TINFO_ARG_SUFFIX
2914 if test -n "$TINFO_SUFFIX" ; then
2915 case $TINFO_SUFFIX in
2917 TINFO_NAME="${TINFO_NAME}tw"
2918 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw//'`
2921 TINFO_NAME="${TINFO_NAME}t"
2922 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t//'`
2925 TINFO_NAME="${TINFO_NAME}w"
2926 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w//'`
2931 for cf_dir in $SRC_SUBDIRS
2933 if test ! -d $srcdir/$cf_dir ; then
2935 elif test -f $srcdir/$cf_dir/modules; then
2939 for cf_item in $cf_LIST_MODELS
2941 CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
2942 if test $cf_item = shared ; then
2943 if test "$cf_cv_do_symlinks" = yes ; then
2944 case "$cf_cv_shlib_version" in #(vi
2946 case "$cf_cv_system_name" in #(vi
2948 case .${LIB_SUFFIX} in
2950 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
2951 cf_suffix=tw'.${REL_VERSION}'"$cf_suffix"
2954 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
2955 cf_suffix=t'.${REL_VERSION}'"$cf_suffix"
2958 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
2959 cf_suffix=w'.${REL_VERSION}'"$cf_suffix"
2962 cf_suffix='.${REL_VERSION}'"$cf_suffix"
2966 *) cf_suffix="$cf_suffix"'.${REL_VERSION}' ;;
2970 case "$cf_cv_system_name" in #(vi
2972 case .${LIB_SUFFIX} in
2974 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
2975 cf_suffix=tw'.${ABI_VERSION}'"$cf_suffix"
2978 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
2979 cf_suffix=t'.${ABI_VERSION}'"$cf_suffix"
2982 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
2983 cf_suffix=w'.${ABI_VERSION}'"$cf_suffix"
2986 cf_suffix='.${ABI_VERSION}'"$cf_suffix"
2990 *) cf_suffix="$cf_suffix"'.${ABI_VERSION}' ;;
2995 # cygwin needs import library, and has unique naming convention
2996 # use autodetected ${cf_prefix} for import lib and static lib, but
2997 # use 'cyg' prefix for shared lib.
2998 if test $cf_cv_shlib_version = cygdll ; then
2999 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
3000 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/cyg${cf_dir}${cf_cygsuf}"
3004 LIBS_TO_MAKE="$LIBS_TO_MAKE ../lib/${cf_prefix}${cf_dir}${cf_suffix}"
3007 if test $cf_dir = ncurses ; then
3008 cf_subsets="$LIB_SUBSETS"
3009 cf_r_parts="$cf_subsets"
3010 cf_liblist="$LIBS_TO_MAKE"
3012 while test -n "$cf_r_parts"
3014 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
3015 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
3016 if test "$cf_l_parts" != "$cf_r_parts" ; then
3018 case $cf_l_parts in #(vi
3020 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
3023 cf_item=`echo $cf_liblist |sed -e s%${LIB_NAME}${LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
3029 if test -n "$cf_item"; then
3030 LIBS_TO_MAKE="$cf_item $LIBS_TO_MAKE"
3037 cf_subsets=`echo "$LIB_SUBSETS" | sed -e 's/^termlib.* //'`
3040 sed -e "s%@LIBS_TO_MAKE@%$LIBS_TO_MAKE%" \
3041 -e "s%@SHARED_LIB@%$SHARED_LIB%" \
3042 $cf_dir/Makefile >$cf_dir/Makefile.out
3043 mv $cf_dir/Makefile.out $cf_dir/Makefile
3045 $AWK -f $srcdir/mk-0th.awk \
3046 libname="${cf_dir}${LIB_SUFFIX}" subsets="$LIB_SUBSETS" \
3047 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3049 for cf_subset in $cf_subsets
3052 for cf_item in $cf_LIST_MODELS
3054 echo "Appending rules for ${cf_item} model (${cf_dir}: ${cf_subset})"
3055 CF_UPPER(cf_ITEM,$cf_item)
3056 CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
3057 CF_OBJ_SUBDIR($cf_item,cf_subdir)
3059 # Test for case where we build libtinfo with a different name.
3061 if test $cf_dir = ncurses ; then
3064 cf_libname=${cf_libname}$LIB_SUFFIX
3067 cf_libname=$TINFO_LIB_SUFFIX
3070 cf_libname=$TICS_LIB_SUFFIX
3074 cf_libname=${cf_libname}$LIB_SUFFIX
3076 if test -n "${DFT_ARG_SUFFIX}" ; then
3077 # undo $LIB_SUFFIX add-on in CF_LIB_SUFFIX
3078 cf_suffix=`echo $cf_suffix |sed -e "s%^${LIB_SUFFIX}%%"`
3081 # These dependencies really are for development, not
3082 # builds, but they are useful in porting, too.
3083 cf_depend="../include/ncurses_cfg.h"
3084 if test "$srcdir" = "."; then
3087 cf_reldir="\${srcdir}"
3090 if test -f $srcdir/$cf_dir/$cf_dir.priv.h; then
3091 cf_depend="$cf_depend $cf_reldir/$cf_dir.priv.h"
3092 elif test -f $srcdir/$cf_dir/curses.priv.h; then
3093 cf_depend="$cf_depend $cf_reldir/curses.priv.h"
3097 old_cf_suffix="$cf_suffix"
3098 if test "$cf_cv_shlib_version_infix" = yes ; then
3099 if test -n "$LIB_SUFFIX" ; then
3102 cf_libname=`echo $cf_libname | sed 's/tw$//'`
3103 cf_suffix=`echo $cf_suffix | sed 's/^tw//'`
3107 cf_libname=`echo $cf_libname | sed 's/t$//'`
3108 cf_suffix=`echo $cf_suffix | sed 's/^t//'`
3112 cf_libname=`echo $cf_libname | sed 's/w$//'`
3113 cf_suffix=`echo $cf_suffix | sed 's/^w//'`
3120 $AWK -f $srcdir/mk-1st.awk \
3121 name=${cf_libname}${cf_dir_suffix} \
3122 traces=$LIB_TRACING \
3129 TermlibRoot=$TINFO_NAME \
3130 TermlibSuffix=$TINFO_SUFFIX \
3131 ShlibVer=$cf_cv_shlib_version \
3132 ShlibVerInfix=$cf_cv_shlib_version_infix \
3133 ReLink=${cf_cv_do_relink:-no} \
3134 DoLinks=$cf_cv_do_symlinks \
3135 rmSoLocs=$cf_cv_rm_so_locs \
3136 ldconfig="$LDCONFIG" \
3137 overwrite=$WITH_OVERWRITE \
3138 depend="$cf_depend" \
3140 libtool_version="$LIBTOOL_VERSION" \
3141 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3143 cf_suffix="$old_cf_suffix"
3145 for cf_subdir2 in $cf_subdirs lib
3147 test $cf_subdir = $cf_subdir2 && break
3149 test "${cf_subset}.${cf_subdir2}" != "${cf_subset}.${cf_subdir}" && \
3150 $AWK -f $srcdir/mk-2nd.awk \
3152 traces=$LIB_TRACING \
3158 crenames=$cf_cv_prog_CC_c_o \
3159 cxxrenames=$cf_cv_prog_CXX_c_o \
3160 $srcdir/$cf_dir/modules >>$cf_dir/Makefile
3161 cf_subdirs="$cf_subdirs $cf_subdir"
3166 echo ' cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >>Makefile
3169 for cf_dir in $SRC_SUBDIRS
3171 if test ! -d $srcdir/$cf_dir ; then
3175 if test -f $cf_dir/Makefile ; then
3178 echo 'libs \' >> Makefile
3179 echo 'install.libs \' >> Makefile
3180 echo 'uninstall.libs ::' >> Makefile
3181 echo ' cd '$cf_dir' && ${MAKE} ${CF_MFLAGS} [$]@' >> Makefile
3186 if test -f $srcdir/$cf_dir/modules; then
3188 if test -f $srcdir/$cf_dir/headers; then
3189 cat >> Makefile <<CF_EOF
3191 uninstall.includes \\
3194 if test "$cf_dir" != "c++" ; then
3195 echo 'lint \' >> Makefile
3197 cat >> Makefile <<CF_EOF
3203 uninstall.$cf_dir ::
3204 cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3206 elif test -f $srcdir/$cf_dir/headers; then
3207 cat >> Makefile <<CF_EOF
3213 uninstall.includes ::
3214 cd $cf_dir && \${MAKE} \${CF_MFLAGS} \[$]@
3219 cat >> Makefile <<CF_EOF
3221 install.libs uninstall.libs \\
3222 install.data uninstall.data ::
3223 $MAKE_TERMINFO cd misc && \${MAKE} \${CF_MFLAGS} \[$]@
3226 if test "x$cf_with_manpages" = xyes; then
3227 cat >> Makefile <<CF_EOF
3231 cd man && \${MAKE} \${CF_MFLAGS} \[$]@
3235 cat >> Makefile <<CF_EOF
3238 rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
3239 rm -f headers.sh headers.sed mk_shared_lib.sh
3240 rm -f edit_man.* man_alias.*
3241 rm -rf \${DIRS_TO_MAKE}
3244 # Special case: tack's manpage lives in its own directory.
3245 if test "x$cf_with_manpages" = xyes; then
3246 if test -d tack ; then
3247 if test -f $srcdir/$tack.h; then
3248 cat >> Makefile <<CF_EOF
3252 cd tack && \${MAKE} \${CF_MFLAGS} \[$]@
3258 dnl If we're installing into a subdirectory of /usr/include, etc., we should
3259 dnl prepend the subdirectory's name to the "#include" paths. It won't hurt
3260 dnl anything, and will make it more standardized. It's awkward to decide this
3261 dnl at configuration because of quoting, so we'll simply make all headers
3262 dnl installed via a script that can do the right thing.
3264 rm -f headers.sed headers.sh
3266 dnl ( generating this script makes the makefiles a little tidier :-)
3267 echo creating headers.sh
3268 cat >headers.sh <<CF_EOF
3270 # This shell script is generated by the 'configure' script. It is invoked in a
3271 # subdirectory of the build tree. It generates a sed-script in the parent
3272 # directory that is used to adjust includes for header files that reside in a
3273 # subdirectory of /usr/include, etc.
3275 while test \[$]# != 3
3277 PRG="\$PRG \[$]1"; shift
3282 TMPSRC=\${TMPDIR:-/tmp}/\`basename \$SRC\`\$\$
3283 TMPSED=\${TMPDIR:-/tmp}/headers.sed\$\$
3284 echo installing \$SRC in \$DST
3287 if test $WITH_CURSES_H = yes; then
3288 cat >>headers.sh <<CF_EOF
3291 END=\`basename \$DST\`
3292 for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3294 NAME=\`basename \$i\`
3295 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3305 cat >>headers.sh <<CF_EOF
3308 END=\`basename \$DST\`
3309 for i in \`cat \$REF/../*/headers |fgrep -v "#"\`
3311 NAME=\`basename \$i\`
3312 if test "\$NAME" = "curses.h"
3314 echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3317 echo "s/<\$NAME>/<\$END\/\$NAME>/" >> \$TMPSED
3321 echo "s/<curses.h>/<ncurses.h>/" >> \$TMPSED
3326 cat >>headers.sh <<CF_EOF
3328 sed -f \$TMPSED \$SRC > \$TMPSRC
3329 NAME=\`basename \$SRC\`
3331 if test $WITH_CURSES_H != yes; then
3332 cat >>headers.sh <<CF_EOF
3333 test "\$NAME" = "curses.h" && NAME=ncurses.h
3336 cat >>headers.sh <<CF_EOF
3337 # Just in case someone gzip'd manpages, remove the conflicting copy.
3338 test -f \$DST/\$NAME.gz && rm -f \$DST/\$NAME.gz
3340 eval \$PRG \$TMPSRC \$DST/\$NAME
3341 rm -f \$TMPSRC \$TMPSED
3344 chmod 0755 headers.sh
3346 for cf_dir in $SRC_SUBDIRS
3348 if test ! -d $srcdir/$cf_dir ; then
3352 if test -f $srcdir/$cf_dir/headers; then
3353 $AWK -f $srcdir/mk-hdr.awk \
3354 subset="$LIB_SUBSETS" \
3355 compat="$WITH_CURSES_H" \
3356 $srcdir/$cf_dir/headers >>$cf_dir/Makefile
3359 if test -f $srcdir/$cf_dir/modules; then
3360 if test "$cf_dir" != "c++" ; then
3361 cat >>$cf_dir/Makefile <<"CF_EOF"
3362 depend : ${AUTO_SRC}
3363 makedepend -- ${CPPFLAGS} -- ${C_SRC}
3365 # DO NOT DELETE THIS LINE -- make depend depends on it.
3370 AC_SUBST(LIBS_TO_MAKE)
3372 dnl ---------------------------------------------------------------------------
3373 dnl CF_LIB_SONAME version: 5 updated: 2010/08/14 18:25:37
3375 dnl Find the and soname for the given shared library. Set the cache variable
3376 dnl cf_cv_$3_soname to this, unless it is not found. Then set the cache
3377 dnl variable to "unknown".
3381 dnl $3 = library name
3382 AC_DEFUN([CF_LIB_SONAME],
3384 AC_CACHE_CHECK(for soname of $3 library,cf_cv_$3_soname,[
3386 cf_cv_$3_soname=unknown
3387 if test "$cross_compiling" != yes ; then
3388 cat >conftest.$ac_ext <<CF_EOF
3393 ${cf_cv_main_return:-return}(0);
3396 cf_save_LIBS="$LIBS"
3398 if AC_TRY_EVAL(ac_compile) ; then
3399 if AC_TRY_EVAL(ac_link) ; then
3400 cf_cv_$3_soname=`ldd conftest$ac_exeext 2>/dev/null | sed -e 's,^.*/,,' -e 's, .*$,,' | fgrep lib$3.`
3401 test -z "$cf_cv_$3_soname" && cf_cv_$3_soname=unknown
3405 LIBS="$cf_save_LIBS"
3409 dnl ---------------------------------------------------------------------------
3410 dnl CF_LIB_SUFFIX version: 17 updated: 2011/07/02 15:36:04
3412 dnl Compute the library file-suffix from the given model name
3414 dnl $2 = variable to set (the nominal library suffix)
3415 dnl $3 = dependency variable to set (actual filename)
3416 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3417 AC_DEFUN([CF_LIB_SUFFIX],
3419 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
3438 case $cf_cv_system_name in
3468 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3469 test -n "$LIB_SUFFIX" && $3="${LIB_SUFFIX}[$]{$3}"
3471 dnl ---------------------------------------------------------------------------
3472 dnl CF_LIB_TYPE version: 4 updated: 2000/10/20 22:57:49
3474 dnl Compute the string to append to -library from the given model name
3476 dnl $2 = variable to set
3477 dnl The variable $LIB_SUFFIX, if set, prepends the variable to set.
3478 AC_DEFUN([CF_LIB_TYPE],
3487 test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
3489 dnl ---------------------------------------------------------------------------
3490 dnl CF_LINK_DATAONLY version: 9 updated: 2009/01/01 20:21:38
3491 dnl ----------------
3492 dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
3493 dnl only data (i.e., no functions), for example NeXT. On those systems we'll
3494 dnl have to provide wrappers for global tables to ensure they're linked
3496 AC_DEFUN([CF_LINK_DATAONLY],
3498 AC_MSG_CHECKING([if data-only library module links])
3499 AC_CACHE_VAL(cf_cv_link_dataonly,[
3501 cat >conftest.$ac_ext <<EOF
3502 #line __oline__ "configure"
3503 int testdata[[3]] = { 123, 456, 789 };
3505 if AC_TRY_EVAL(ac_compile) ; then
3506 mv conftest.o data.o && \
3507 ( $AR $ARFLAGS conftest.a data.o ) 2>&AC_FD_CC 1>/dev/null
3509 rm -f conftest.$ac_ext data.o
3510 cat >conftest.$ac_ext <<EOF
3511 #line __oline__ "configure"
3515 ${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
3517 extern int testdata[[3]];
3518 return testdata[[0]] == 123
3519 && testdata[[1]] == 456
3520 && testdata[[2]] == 789;
3524 if AC_TRY_EVAL(ac_compile); then
3525 mv conftest.o func.o && \
3526 ( $AR $ARFLAGS conftest.a func.o ) 2>&AC_FD_CC 1>/dev/null
3528 rm -f conftest.$ac_ext func.o
3529 ( eval $RANLIB conftest.a ) 2>&AC_FD_CC >/dev/null
3531 LIBS="conftest.a $LIBS"
3535 extern int testfunc();
3536 ${cf_cv_main_return:-return} (!testfunc());
3539 [cf_cv_link_dataonly=yes],
3540 [cf_cv_link_dataonly=no],
3541 [cf_cv_link_dataonly=unknown])
3544 AC_MSG_RESULT($cf_cv_link_dataonly)
3546 if test "$cf_cv_link_dataonly" = no ; then
3547 AC_DEFINE(BROKEN_LINKER)
3552 dnl ---------------------------------------------------------------------------
3553 dnl CF_LINK_FUNCS version: 7 updated: 2006/12/16 12:33:30
3555 dnl Most Unix systems have both link and symlink, a few don't have symlink.
3556 dnl A few non-Unix systems implement symlink, but not link.
3557 dnl A few non-systems implement neither (or have nonfunctional versions).
3558 AC_DEFUN([CF_LINK_FUNCS],
3564 if test "$cross_compiling" = yes ; then
3569 AC_CACHE_CHECK(if link/symlink functions work,cf_cv_link_funcs,[
3571 for cf_func in link symlink ; do
3573 #include <sys/types.h>
3574 #include <sys/stat.h>
3575 #ifdef HAVE_UNISTD_H
3581 char *src = "config.log";
3582 char *dst = "conftest.chk";
3587 fail = ($cf_func("config.log", "conftest.chk") < 0)
3588 || (stat(dst, &dst_sb) < 0)
3589 || (dst_sb.st_mtime != src_sb.st_mtime);
3595 ${cf_cv_main_return:-return} (fail);
3598 cf_cv_link_funcs="$cf_cv_link_funcs $cf_func"
3599 eval 'ac_cv_func_'$cf_func'=yes'],[
3600 eval 'ac_cv_func_'$cf_func'=no'],[
3601 eval 'ac_cv_func_'$cf_func'=error'])
3603 test -z "$cf_cv_link_funcs" && cf_cv_link_funcs=no
3605 test "$ac_cv_func_link" = yes && AC_DEFINE(HAVE_LINK)
3606 test "$ac_cv_func_symlink" = yes && AC_DEFINE(HAVE_SYMLINK)
3609 dnl ---------------------------------------------------------------------------
3610 dnl CF_MAIN_RETURN version: 1 updated: 2006/12/10 09:51:54
3612 dnl Check if a return from main to the shell actually returns the same exit
3613 dnl code. This is true for almost any POSIX environment.
3615 dnl Some very old environments did not flush stdout, etc., on an exit. That
3616 dnl would be a useful case to test for also.
3617 AC_DEFUN([CF_MAIN_RETURN],
3619 cf_cv_main_return=return
3621 dnl ---------------------------------------------------------------------------
3622 dnl CF_MAKEFLAGS version: 14 updated: 2011/03/31 19:29:46
3624 dnl Some 'make' programs support ${MAKEFLAGS}, some ${MFLAGS}, to pass 'make'
3625 dnl options to lower-levels. It's very useful for "make -n" -- if we have it.
3626 dnl (GNU 'make' does both, something POSIX 'make', which happens to make the
3627 dnl ${MAKEFLAGS} variable incompatible because it adds the assignments :-)
3628 AC_DEFUN([CF_MAKEFLAGS],
3630 AC_CACHE_CHECK(for makeflags variable, cf_cv_makeflags,[
3632 for cf_option in '-${MAKEFLAGS}' '${MFLAGS}'
3634 cat >cf_makeflags.tmp <<CF_EOF
3637 @ echo '.$cf_option'
3639 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp 2>/dev/null | fgrep -v "ing directory" | sed -e 's,[[ ]]*$,,'`
3640 case "$cf_result" in
3642 cf_result=`${MAKE:-make} -k -f cf_makeflags.tmp CC=cc 2>/dev/null`
3643 case "$cf_result" in
3644 .*CC=*) cf_cv_makeflags=
3646 *) cf_cv_makeflags=$cf_option
3652 *) echo "given option \"$cf_option\", no match \"$cf_result\""
3656 rm -f cf_makeflags.tmp
3659 AC_SUBST(cf_cv_makeflags)
3661 dnl ---------------------------------------------------------------------------
3662 dnl CF_MAKE_TAGS version: 6 updated: 2010/10/23 15:52:32
3664 dnl Generate tags/TAGS targets for makefiles. Do not generate TAGS if we have
3665 dnl a monocase filesystem.
3666 AC_DEFUN([CF_MAKE_TAGS],[
3667 AC_REQUIRE([CF_MIXEDCASE_FILENAMES])
3669 AC_CHECK_PROGS(CTAGS, exctags ctags)
3670 AC_CHECK_PROGS(ETAGS, exetags etags)
3672 AC_CHECK_PROG(MAKE_LOWER_TAGS, ${CTAGS:-ctags}, yes, no)
3674 if test "$cf_cv_mixedcase" = yes ; then
3675 AC_CHECK_PROG(MAKE_UPPER_TAGS, ${ETAGS:-etags}, yes, no)
3680 if test "$MAKE_UPPER_TAGS" = yes ; then
3686 if test "$MAKE_LOWER_TAGS" = yes ; then
3695 AC_SUBST(MAKE_UPPER_TAGS)
3696 AC_SUBST(MAKE_LOWER_TAGS)
3698 dnl ---------------------------------------------------------------------------
3699 dnl CF_MANPAGE_FORMAT version: 9 updated: 2010/10/23 16:10:30
3700 dnl -----------------
3701 dnl Option to allow user to override automatic configuration of manpage format.
3702 dnl There are several special cases:
3704 dnl gzip - man checks for, can display gzip'd files
3705 dnl compress - man checks for, can display compressed files
3706 dnl BSDI - files in the cat-directories are suffixed ".0"
3707 dnl formatted - installer should format (put files in cat-directory)
3708 dnl catonly - installer should only format, e.g., for a turnkey system.
3710 dnl There are other configurations which this macro does not test, e.g., HPUX's
3711 dnl compressed manpages (but uncompressed manpages are fine, and HPUX's naming
3712 dnl convention would not match our use).
3713 AC_DEFUN([CF_MANPAGE_FORMAT],
3715 AC_REQUIRE([CF_PATHSEP])
3716 AC_MSG_CHECKING(format of man-pages)
3718 AC_ARG_WITH(manpage-format,
3719 [ --with-manpage-format specify manpage-format: gzip/compress/BSDI/normal and
3720 optionally formatted/catonly, e.g., gzip,formatted],
3721 [MANPAGE_FORMAT=$withval],
3722 [MANPAGE_FORMAT=unknown])
3724 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=unknown
3725 MANPAGE_FORMAT=`echo "$MANPAGE_FORMAT" | sed -e 's/,/ /g'`
3729 case $MANPAGE_FORMAT in
3731 if test -z "$MANPATH" ; then
3732 MANPATH="/usr/man:/usr/share/man"
3735 # look for the 'date' man-page (it's most likely to be installed!)
3741 IFS="${IFS:- }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}"
3742 for cf_dir in $MANPATH; do
3743 test -z "$cf_dir" && cf_dir=/usr/man
3744 for cf_name in $cf_dir/man*/$cf_example.[[01]]* $cf_dir/cat*/$cf_example.[[01]]* $cf_dir/man*/$cf_example $cf_dir/cat*/$cf_example
3746 cf_test=`echo $cf_name | sed -e 's/*//'`
3747 if test "x$cf_test" = "x$cf_name" ; then
3750 *.gz) MANPAGE_FORMAT="$MANPAGE_FORMAT gzip";;
3751 *.Z) MANPAGE_FORMAT="$MANPAGE_FORMAT compress";;
3752 *.0) MANPAGE_FORMAT="$MANPAGE_FORMAT BSDI";;
3753 *) MANPAGE_FORMAT="$MANPAGE_FORMAT normal";;
3767 # if we found a match in either man* or cat*, stop looking
3768 if test -n "$MANPAGE_FORMAT" ; then
3770 test "$cf_preform" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT formatted"
3771 test "$cf_catonly" = yes && MANPAGE_FORMAT="$MANPAGE_FORMAT catonly"
3777 test $cf_found=yes && break
3780 # only check the first directory in $MANPATH where we find manpages
3781 if test -n "$MANPAGE_FORMAT" ; then
3785 # if we did not find the example, just assume it is normal
3786 test -z "$MANPAGE_FORMAT" && MANPAGE_FORMAT=normal
3790 for cf_option in $MANPAGE_FORMAT; do
3791 case $cf_option in #(vi
3792 gzip|compress|BSDI|normal|formatted|catonly)
3795 cf_unknown="$cf_unknown $cf_option"
3802 AC_MSG_RESULT($MANPAGE_FORMAT)
3803 if test -n "$cf_unknown" ; then
3804 AC_MSG_WARN(Unexpected manpage-format $cf_unknown)
3807 dnl ---------------------------------------------------------------------------
3808 dnl CF_MANPAGE_RENAMES version: 7 updated: 2005/06/18 18:51:57
3809 dnl ------------------
3810 dnl The Debian people have their own naming convention for manpages. This
3811 dnl option lets us override the name of the file containing renaming, or
3812 dnl disable it altogether.
3813 AC_DEFUN([CF_MANPAGE_RENAMES],
3815 AC_MSG_CHECKING(for manpage renaming)
3817 AC_ARG_WITH(manpage-renames,
3818 [ --with-manpage-renames specify manpage-renaming],
3819 [MANPAGE_RENAMES=$withval],
3820 [MANPAGE_RENAMES=yes])
3822 case ".$MANPAGE_RENAMES" in #(vi
3826 # Debian 'man' program?
3827 if test -f /etc/debian_version ; then
3828 MANPAGE_RENAMES=`cd $srcdir && pwd`/man/man_db.renames
3835 if test "$MANPAGE_RENAMES" != no ; then
3836 if test -f $srcdir/man/$MANPAGE_RENAMES ; then
3837 MANPAGE_RENAMES=`cd $srcdir/man && pwd`/$MANPAGE_RENAMES
3838 elif test ! -f $MANPAGE_RENAMES ; then
3839 AC_MSG_ERROR(not a filename: $MANPAGE_RENAMES)
3842 test ! -d man && mkdir man
3844 # Construct a sed-script to perform renaming within man-pages
3845 if test -n "$MANPAGE_RENAMES" ; then
3846 test ! -d man && mkdir man
3847 sh $srcdir/man/make_sed.sh $MANPAGE_RENAMES >./edit_man.sed
3851 AC_MSG_RESULT($MANPAGE_RENAMES)
3852 AC_SUBST(MANPAGE_RENAMES)
3854 dnl ---------------------------------------------------------------------------
3855 dnl CF_MANPAGE_SYMLINKS version: 5 updated: 2010/07/24 17:12:40
3856 dnl -------------------
3857 dnl Some people expect each tool to make all aliases for manpages in the
3858 dnl man-directory. This accommodates the older, less-capable implementations
3859 dnl of 'man', and is optional.
3860 AC_DEFUN([CF_MANPAGE_SYMLINKS],
3862 AC_MSG_CHECKING(if manpage aliases will be installed)
3864 AC_ARG_WITH(manpage-aliases,
3865 [ --with-manpage-aliases specify manpage-aliases using .so],
3866 [MANPAGE_ALIASES=$withval],
3867 [MANPAGE_ALIASES=yes])
3869 AC_MSG_RESULT($MANPAGE_ALIASES)
3871 case "x$LN_S" in #(vi
3881 if test "$MANPAGE_ALIASES" = yes ; then
3882 AC_MSG_CHECKING(if manpage symlinks should be used)
3884 AC_ARG_WITH(manpage-symlinks,
3885 [ --with-manpage-symlinks specify manpage-aliases using symlinks],
3886 [MANPAGE_SYMLINKS=$withval],
3887 [MANPAGE_SYMLINKS=$cf_use_symlinks])
3889 if test "$$cf_use_symlinks" = no; then
3890 if test "$MANPAGE_SYMLINKS" = yes ; then
3891 AC_MSG_WARN(cannot make symlinks, will use .so files)
3896 AC_MSG_RESULT($MANPAGE_SYMLINKS)
3900 dnl ---------------------------------------------------------------------------
3901 dnl CF_MANPAGE_TBL version: 3 updated: 2002/01/19 22:51:32
3903 dnl This option causes manpages to be run through tbl(1) to generate tables
3905 AC_DEFUN([CF_MANPAGE_TBL],
3907 AC_MSG_CHECKING(for manpage tbl)
3909 AC_ARG_WITH(manpage-tbl,
3910 [ --with-manpage-tbl specify manpage processing with tbl],
3911 [MANPAGE_TBL=$withval],
3914 AC_MSG_RESULT($MANPAGE_TBL)
3916 dnl ---------------------------------------------------------------------------
3917 dnl CF_MAN_PAGES version: 40 updated: 2011/09/10 16:20:21
3919 dnl Try to determine if the man-pages on the system are compressed, and if
3920 dnl so, what format is used. Use this information to construct a script that
3921 dnl will install man-pages.
3922 AC_DEFUN([CF_MAN_PAGES],
3924 CF_HELP_MESSAGE(Options to Specify How Manpages are Installed:)
3930 if test "$prefix" = "NONE" ; then
3931 cf_prefix="$ac_default_prefix"
3936 case "$MANPAGE_FORMAT" in # (vi
3951 test ! -d man && mkdir man
3955 case "$MANPAGE_FORMAT" in #(vi
3958 cf_compress=compress
3966 cf_edit_man=./edit_man.sh
3967 cf_man_alias=`pwd`/man_alias.sed
3969 cat >$cf_edit_man <<CF_EOF
3971 # this script is generated by the configure-script CF_MAN_PAGES macro.
3976 NCURSES_MAJOR="$NCURSES_MAJOR"
3977 NCURSES_MINOR="$NCURSES_MINOR"
3978 NCURSES_PATCH="$NCURSES_PATCH"
3980 NCURSES_OSPEED="$NCURSES_OSPEED"
3981 TERMINFO="$TERMINFO"
3984 INSTALL_DATA="$INSTALL_DATA"
3986 transform="$program_transform_name"
3988 TMP=\${TMPDIR:=/tmp}/man\$\$
3989 trap "rm -f \$TMP" 0 1 2 5 15
4001 top_srcdir=\[$]srcdir/..
4004 if test "\$form" = normal ; then
4005 if test "$cf_format" = yes ; then
4006 if test "$cf_inboth" = no ; then
4007 sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4011 cf_subdir=\$mandir/man
4012 cf_tables=$MANPAGE_TBL
4014 cf_subdir=\$mandir/cat
4018 # process the list of source-files
4021 *.orig|*.rej) ;; #(vi
4023 section=\`expr "\$i" : '.*\\.\\([[0-9]]\\)[[xm]]*'\`;
4024 if test \$verb = installing ; then
4025 if test ! -d \$cf_subdir\${section} ; then
4026 mkdir -p \$cf_subdir\$section
4030 # replace variables in man page
4031 if test ! -f $cf_man_alias ; then
4032 cat >>$cf_man_alias <<-CF_EOF2
4033 s,@DATADIR@,\$datadir,g
4034 s,@TERMINFO@,\$TERMINFO,g
4035 s,@NCURSES_MAJOR@,\$NCURSES_MAJOR,g
4036 s,@NCURSES_MINOR@,\$NCURSES_MINOR,g
4037 s,@NCURSES_PATCH@,\$NCURSES_PATCH,g
4038 s,@NCURSES_OSPEED@,\$NCURSES_OSPEED,g
4043 cf_NAME=`echo "$cf_name" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
4044 cf_name=`echo $cf_name|sed "$program_transform_name"`
4045 cat >>$cf_edit_man <<-CF_EOF
4046 s,@$cf_NAME@,$cf_name,g
4050 cat >>$cf_edit_man <<CF_EOF
4052 echo "...made $cf_man_alias"
4056 cf_source=\`basename \$i\`
4058 test ! -f \$inalias && inalias="\$srcdir/\$inalias"
4059 if test ! -f \$inalias ; then
4060 echo .. skipped \$cf_source
4065 if test "$MANPAGE_ALIASES" != no ; then
4066 cat >>$cf_edit_man <<CF_EOF
4068 test $with_curses_h = yes && nCurses=ncurses.3x
4069 aliases=\`sed -f \$top_srcdir/man/manlinks.sed \$inalias |sed -f $cf_man_alias | sort -u; test \$inalias = \$nCurses && echo curses\`
4073 if test "$MANPAGE_RENAMES" = no ; then
4074 cat >>$cf_edit_man <<CF_EOF
4075 # perform program transformations for section 1 man pages
4076 if test \$section = 1 ; then
4077 cf_target=\$cf_subdir\${section}/\`echo \$cf_source|sed "\${transform}"\`
4079 cf_target=\$cf_subdir\${section}/\$cf_source
4083 cat >>$cf_edit_man <<CF_EOF
4084 cf_target=\`grep "^\$cf_source" $MANPAGE_RENAMES | $AWK '{print \[$]2}'\`
4085 if test -z "\$cf_target" ; then
4086 echo '? missing rename for '\$cf_source
4087 cf_target="\$cf_source"
4089 cf_target="\$cf_subdir\${section}/\${cf_target}"
4094 cat >>$cf_edit_man <<CF_EOF
4095 sed -f $cf_man_alias \\
4098 if test -f $MANPAGE_RENAMES ; then
4099 cat >>$cf_edit_man <<CF_EOF
4100 < \$i | sed -f `pwd`/edit_man.sed >\$TMP
4103 cat >>$cf_edit_man <<CF_EOF
4108 cat >>$cf_edit_man <<CF_EOF
4109 if test \$cf_tables = yes ; then
4110 tbl \$TMP >\$TMP.out
4115 if test $with_overwrite != yes ; then
4116 cat >>$cf_edit_man <<CF_EOF
4117 sed -e "/\#[ ]*include/s,<curses.h,<ncurses$LIB_SUFFIX/curses.h," < \$TMP >\$TMP.out
4122 if test $with_curses_h != yes ; then
4123 cat >>$cf_edit_man <<CF_EOF
4124 sed -e "/\#[ ]*include/s,curses.h,ncurses.h," < \$TMP >\$TMP.out
4129 cat >>$cf_edit_man <<CF_EOF
4130 if test \$form = format ; then
4131 nroff -man \$TMP >\$TMP.out
4136 if test -n "$cf_compress" ; then
4137 cat >>$cf_edit_man <<CF_EOF
4138 if test \$verb = installing ; then
4139 if ( $cf_compress -f \$TMP )
4141 mv \$TMP.$cf_so_strip \$TMP
4144 cf_target="\$cf_target.$cf_so_strip"
4148 case "$MANPAGE_FORMAT" in #(vi
4150 cat >>$cf_edit_man <<CF_EOF
4151 if test \$form = format ; then
4152 # BSDI installs only .0 suffixes in the cat directories
4153 cf_target="\`echo \$cf_target|sed -e 's/\.[[1-9]]\+[[a-z]]*/.0/'\`"
4159 cat >>$cf_edit_man <<CF_EOF
4160 suffix=\`basename \$cf_target | sed -e 's%^[[^.]]*%%'\`
4161 if test \$verb = installing ; then
4162 echo \$verb \$cf_target
4163 \$INSTALL_DATA \$TMP \$cf_target
4164 test -d \$cf_subdir\${section} &&
4165 test -n "\$aliases" && (
4166 cd \$cf_subdir\${section} && (
4167 cf_source=\`echo \$cf_target |sed -e 's%^.*/\([[^/]][[^/]]*/[[^/]][[^/]]*$\)%\1%'\`
4168 test -n "$cf_so_strip" && cf_source=\`echo \$cf_source |sed -e 's%\.$cf_so_strip\$%%'\`
4169 cf_target=\`basename \$cf_target\`
4170 for cf_alias in \$aliases
4172 if test \$section = 1 ; then
4173 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4176 if test "$MANPAGE_SYMLINKS" = yes ; then
4177 if test -f \$cf_alias\${suffix} ; then
4178 if ( cmp -s \$cf_target \$cf_alias\${suffix} )
4183 echo .. \$verb alias \$cf_alias\${suffix}
4185 case "x$LN_S" in #(vi
4187 cat >>$cf_edit_man <<CF_EOF
4188 $LN_S \$cf_target \$cf_alias\${suffix}
4192 cat >>$cf_edit_man <<CF_EOF
4193 rm -f \$cf_alias\${suffix}
4194 $LN_S \$cf_target \$cf_alias\${suffix}
4198 cat >>$cf_edit_man <<CF_EOF
4199 elif test "\$cf_target" != "\$cf_alias\${suffix}" ; then
4200 echo ".so \$cf_source" >\$TMP
4202 if test -n "$cf_compress" ; then
4203 cat >>$cf_edit_man <<CF_EOF
4204 if test -n "$cf_so_strip" ; then
4205 $cf_compress -f \$TMP
4206 mv \$TMP.$cf_so_strip \$TMP
4210 cat >>$cf_edit_man <<CF_EOF
4211 echo .. \$verb alias \$cf_alias\${suffix}
4212 rm -f \$cf_alias\${suffix}
4213 \$INSTALL_DATA \$TMP \$cf_alias\${suffix}
4218 elif test \$verb = removing ; then
4219 test -f \$cf_target && (
4220 echo \$verb \$cf_target
4223 test -d \$cf_subdir\${section} &&
4224 test -n "\$aliases" && (
4225 cd \$cf_subdir\${section} && (
4226 for cf_alias in \$aliases
4228 if test \$section = 1 ; then
4229 cf_alias=\`echo \$cf_alias|sed "\${transform}"\`
4232 echo .. \$verb alias \$cf_alias\${suffix}
4233 rm -f \$cf_alias\${suffix}
4245 if test $cf_inboth = yes ; then
4246 if test \$form != format ; then
4247 sh \[$]0 format \$verb \$mandir \$srcdir \[$]*
4253 chmod 755 $cf_edit_man
4256 dnl ---------------------------------------------------------------------------
4257 dnl CF_MATH_LIB version: 8 updated: 2010/05/29 16:31:02
4259 dnl Checks for libraries. At least one UNIX system, Apple Macintosh
4260 dnl Rhapsody 5.5, does not have -lm. We cannot use the simpler
4261 dnl AC_CHECK_LIB(m,sin), because that fails for C++.
4262 AC_DEFUN([CF_MATH_LIB],
4264 AC_CACHE_CHECK(if -lm needed for math functions,
4270 [double x = rand(); printf("result = %g\n", ]ifelse([$2],,sin(x),$2)[)],
4271 [cf_cv_need_libm=no],
4272 [cf_cv_need_libm=yes])])
4273 if test "$cf_cv_need_libm" = yes
4280 dnl ---------------------------------------------------------------------------
4281 dnl CF_MIXEDCASE_FILENAMES version: 3 updated: 2003/09/20 17:07:55
4282 dnl ----------------------
4283 dnl Check if the file-system supports mixed-case filenames. If we're able to
4284 dnl create a lowercase name and see it as uppercase, it doesn't support that.
4285 AC_DEFUN([CF_MIXEDCASE_FILENAMES],
4287 AC_CACHE_CHECK(if filesystem supports mixed-case filenames,cf_cv_mixedcase,[
4288 if test "$cross_compiling" = yes ; then
4289 case $target_alias in #(vi
4290 *-os2-emx*|*-msdosdjgpp*|*-cygwin*|*-mingw32*|*-uwin*) #(vi
4298 rm -f conftest CONFTEST
4300 if test -f CONFTEST ; then
4305 rm -f conftest CONFTEST
4308 test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES)
4310 dnl ---------------------------------------------------------------------------
4311 dnl CF_MKSTEMP version: 7 updated: 2010/08/14 18:25:37
4313 dnl Check for a working mkstemp. This creates two files, checks that they are
4314 dnl successfully created and distinct (AmigaOS apparently fails on the last).
4315 AC_DEFUN([CF_MKSTEMP],[
4316 AC_CACHE_CHECK(for working mkstemp, cf_cv_func_mkstemp,[
4319 #include <sys/types.h>
4323 #include <sys/stat.h>
4326 char *tmpl = "conftestXXXXXX";
4334 for (n = 0; n < 2; ++n) {
4335 strcpy(name[n], tmpl);
4336 if ((fd = mkstemp(name[n])) >= 0) {
4337 if (!strcmp(name[n], tmpl)
4338 || stat(name[n], &sb) != 0
4339 || (sb.st_mode & S_IFMT) != S_IFREG
4340 || (sb.st_mode & 077) != 0) {
4347 && !strcmp(name[0], name[1]))
4349 ${cf_cv_main_return:-return}(result);
4351 ],[cf_cv_func_mkstemp=yes
4352 ],[cf_cv_func_mkstemp=no
4353 ],[AC_CHECK_FUNC(mkstemp)
4356 if test "x$cf_cv_func_mkstemp" = xyes || test "x$ac_cv_func_mkstemp" = xyes ; then
4357 AC_DEFINE(HAVE_MKSTEMP)
4360 dnl ---------------------------------------------------------------------------
4361 dnl CF_MSG_LOG version: 5 updated: 2010/10/23 15:52:32
4363 dnl Write a debug message to config.log, along with the line number in the
4364 dnl configure script.
4365 AC_DEFUN([CF_MSG_LOG],[
4366 echo "${as_me:-configure}:__oline__: testing $* ..." 1>&AC_FD_CC
4368 dnl ---------------------------------------------------------------------------
4369 dnl CF_NCURSES_ABI_6 version: 1 updated: 2005/09/17 18:42:49
4370 dnl ----------------
4371 dnl Set ncurses' ABI to 6 unless overridden by explicit configure option, and
4372 dnl warn about this.
4373 AC_DEFUN([CF_NCURSES_ABI_6],[
4374 if test "${with_abi_version+set}" != set; then
4375 case $cf_cv_rel_version in
4377 cf_cv_rel_version=6.0
4379 AC_MSG_WARN(Overriding ABI version to $cf_cv_abi_version)
4384 dnl ---------------------------------------------------------------------------
4385 dnl CF_NO_LEAKS_OPTION version: 4 updated: 2006/12/16 14:24:05
4386 dnl ------------------
4387 dnl see CF_WITH_NO_LEAKS
4388 AC_DEFUN([CF_NO_LEAKS_OPTION],[
4389 AC_MSG_CHECKING(if you want to use $1 for testing)
4392 [AC_DEFINE($3)ifelse([$4],,[
4395 : ${with_cflags:=-g}
4396 : ${with_no_leaks:=yes}
4399 AC_MSG_RESULT(${with_$1:-no})
4401 case .$with_cflags in #(vi
4403 case .$CFLAGS in #(vi
4413 dnl ---------------------------------------------------------------------------
4414 dnl CF_NUMBER_SYNTAX version: 1 updated: 2003/09/20 18:12:49
4415 dnl ----------------
4416 dnl Check if the given variable is a number. If not, report an error.
4417 dnl $1 is the variable
4418 dnl $2 is the message
4419 AC_DEFUN([CF_NUMBER_SYNTAX],[
4420 if test -n "$1" ; then
4425 AC_MSG_ERROR($2 is not a number: $1)
4429 AC_MSG_ERROR($2 value is empty)
4432 dnl ---------------------------------------------------------------------------
4433 dnl CF_OBJ_SUBDIR version: 4 updated: 2002/02/23 20:38:31
4435 dnl Compute the object-directory name from the given model name
4436 AC_DEFUN([CF_OBJ_SUBDIR],
4439 libtool) $2='obj_lo' ;;
4440 normal) $2='objects' ;;
4441 debug) $2='obj_g' ;;
4442 profile) $2='obj_p' ;;
4444 case $cf_cv_system_name in #(vi
4452 dnl ---------------------------------------------------------------------------
4453 dnl CF_PATHSEP version: 5 updated: 2010/05/26 05:38:42
4455 dnl Provide a value for the $PATH and similar separator
4456 AC_DEFUN([CF_PATHSEP],
4458 case $cf_cv_system_name in
4459 os2*) PATH_SEPARATOR=';' ;;
4460 *) PATH_SEPARATOR=':' ;;
4462 ifelse([$1],,,[$1=$PATH_SEPARATOR])
4463 AC_SUBST(PATH_SEPARATOR)
4465 dnl ---------------------------------------------------------------------------
4466 dnl CF_PATH_SYNTAX version: 13 updated: 2010/05/26 05:38:42
4468 dnl Check the argument to see that it looks like a pathname. Rewrite it if it
4469 dnl begins with one of the prefix/exec_prefix variables, and then again if the
4470 dnl result begins with 'NONE'. This is necessary to work around autoconf's
4471 dnl delayed evaluation of those symbols.
4472 AC_DEFUN([CF_PATH_SYNTAX],[
4473 if test "x$prefix" != xNONE; then
4474 cf_path_syntax="$prefix"
4476 cf_path_syntax="$ac_default_prefix"
4479 case ".[$]$1" in #(vi
4480 .\[$]\(*\)*|.\'*\'*) #(vi
4484 .[[a-zA-Z]]:[[\\/]]*) #(vi OS/2 EMX
4486 .\[$]{*prefix}*) #(vi
4488 case ".[$]$1" in #(vi
4490 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4495 $1=`echo [$]$1 | sed -e s%NONE%$cf_path_syntax%`
4498 ifelse([$2],,[AC_MSG_ERROR([expected a pathname, not \"[$]$1\"])],$2)
4502 dnl ---------------------------------------------------------------------------
4503 dnl CF_PKG_CONFIG version: 7 updated: 2011/04/29 04:53:22
4505 dnl Check for the package-config program, unless disabled by command-line.
4506 AC_DEFUN([CF_PKG_CONFIG],
4508 AC_MSG_CHECKING(if you want to use pkg-config)
4509 AC_ARG_WITH(pkg-config,
4510 [ --with-pkg-config{=path} enable/disable use of pkg-config],
4511 [cf_pkg_config=$withval],
4512 [cf_pkg_config=yes])
4513 AC_MSG_RESULT($cf_pkg_config)
4515 case $cf_pkg_config in #(vi
4520 CF_ACVERSION_CHECK(2.52,
4521 [AC_PATH_TOOL(PKG_CONFIG, pkg-config, none)],
4522 [AC_PATH_PROG(PKG_CONFIG, pkg-config, none)])
4529 test -z "$PKG_CONFIG" && PKG_CONFIG=none
4530 if test "$PKG_CONFIG" != none ; then
4531 CF_PATH_SYNTAX(PKG_CONFIG)
4534 AC_SUBST(PKG_CONFIG)
4536 dnl ---------------------------------------------------------------------------
4537 dnl CF_POSIX_C_SOURCE version: 8 updated: 2010/05/26 05:38:42
4538 dnl -----------------
4539 dnl Define _POSIX_C_SOURCE to the given level, and _POSIX_SOURCE if needed.
4541 dnl POSIX.1-1990 _POSIX_SOURCE
4542 dnl POSIX.1-1990 and _POSIX_SOURCE and
4543 dnl POSIX.2-1992 C-Language _POSIX_C_SOURCE=2
4545 dnl POSIX.1b-1993 _POSIX_C_SOURCE=199309L
4546 dnl POSIX.1c-1996 _POSIX_C_SOURCE=199506L
4547 dnl X/Open 2000 _POSIX_C_SOURCE=200112L
4550 dnl $1 is the nominal value for _POSIX_C_SOURCE
4551 AC_DEFUN([CF_POSIX_C_SOURCE],
4553 cf_POSIX_C_SOURCE=ifelse([$1],,199506L,[$1])
4555 cf_save_CFLAGS="$CFLAGS"
4556 cf_save_CPPFLAGS="$CPPFLAGS"
4558 CF_REMOVE_DEFINE(cf_trim_CFLAGS,$cf_save_CFLAGS,_POSIX_C_SOURCE)
4559 CF_REMOVE_DEFINE(cf_trim_CPPFLAGS,$cf_save_CPPFLAGS,_POSIX_C_SOURCE)
4561 AC_CACHE_CHECK(if we should define _POSIX_C_SOURCE,cf_cv_posix_c_source,[
4562 CF_MSG_LOG(if the symbol is already defined go no further)
4563 AC_TRY_COMPILE([#include <sys/types.h>],[
4564 #ifndef _POSIX_C_SOURCE
4567 [cf_cv_posix_c_source=no],
4568 [cf_want_posix_source=no
4569 case .$cf_POSIX_C_SOURCE in #(vi
4571 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4574 cf_cv_posix_c_source="-D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE"
4575 cf_want_posix_source=yes
4578 cf_want_posix_source=yes
4581 if test "$cf_want_posix_source" = yes ; then
4582 AC_TRY_COMPILE([#include <sys/types.h>],[
4583 #ifdef _POSIX_SOURCE
4586 cf_cv_posix_c_source="$cf_cv_posix_c_source -D_POSIX_SOURCE")
4588 CF_MSG_LOG(ifdef from value $cf_POSIX_C_SOURCE)
4589 CFLAGS="$cf_trim_CFLAGS"
4590 CPPFLAGS="$cf_trim_CPPFLAGS $cf_cv_posix_c_source"
4591 CF_MSG_LOG(if the second compile does not leave our definition intact error)
4592 AC_TRY_COMPILE([#include <sys/types.h>],[
4593 #ifndef _POSIX_C_SOURCE
4596 [cf_cv_posix_c_source=no])
4597 CFLAGS="$cf_save_CFLAGS"
4598 CPPFLAGS="$cf_save_CPPFLAGS"
4602 if test "$cf_cv_posix_c_source" != no ; then
4603 CFLAGS="$cf_trim_CFLAGS"
4604 CPPFLAGS="$cf_trim_CPPFLAGS"
4605 CF_ADD_CFLAGS($cf_cv_posix_c_source)
4609 dnl ---------------------------------------------------------------------------
4610 dnl CF_PREDEFINE version: 2 updated: 2010/05/26 16:44:57
4612 dnl Add definitions to CPPFLAGS to ensure they're predefined for all compiles.
4614 dnl $1 = symbol to test
4615 dnl $2 = value (if any) to use for a predefinition
4616 AC_DEFUN([CF_PREDEFINE],
4618 AC_MSG_CHECKING(if we must define $1)
4619 AC_TRY_COMPILE([#include <sys/types.h>
4623 #endif],[cf_result=no],[cf_result=yes])
4624 AC_MSG_RESULT($cf_result)
4626 if test "$cf_result" = yes ; then
4627 CPPFLAGS="$CPPFLAGS ifelse([$2],,-D$1,[-D$1=$2])"
4628 elif test "x$2" != "x" ; then
4629 AC_MSG_CHECKING(checking for compatible value versus $2)
4630 AC_TRY_COMPILE([#include <sys/types.h>
4634 #endif],[cf_result=yes],[cf_result=no])
4635 AC_MSG_RESULT($cf_result)
4636 if test "$cf_result" = no ; then
4637 # perhaps we can override it - try...
4638 CPPFLAGS="$CPPFLAGS -D$1=$2"
4642 dnl ---------------------------------------------------------------------------
4643 dnl CF_PRG_RULES version: 1 updated: 2006/06/03 11:45:08
4645 dnl Append definitions and rules for the given programs to the subdirectory
4646 dnl Makefiles, and the recursion rule for the top-level Makefile.
4649 dnl $1 = script to run
4650 dnl $2 = list of subdirectories
4654 AC_DEFUN([CF_PRG_RULES],
4658 if test ! -d $srcdir/$cf_dir; then
4660 elif test -f $srcdir/$cf_dir/programs; then
4661 $AWK -f $1 $srcdir/$cf_dir/programs >>$cf_dir/Makefile
4666 dnl ---------------------------------------------------------------------------
4667 dnl CF_PROG_AR version: 1 updated: 2009/01/01 20:15:22
4669 dnl Check for archiver "ar".
4670 AC_DEFUN([CF_PROG_AR],[
4671 AC_CHECK_TOOL(AR, ar, ar)
4673 dnl ---------------------------------------------------------------------------
4674 dnl CF_PROG_AWK version: 1 updated: 2006/09/16 11:40:59
4676 dnl Check for awk, ensure that the check found something.
4677 AC_DEFUN([CF_PROG_AWK],
4680 test -z "$AWK" && AC_MSG_ERROR(No awk program found)
4682 dnl ---------------------------------------------------------------------------
4683 dnl CF_PROG_CC_C_O version: 3 updated: 2010/08/14 18:25:37
4685 dnl Analogous to AC_PROG_CC_C_O, but more useful: tests only $CC, ensures that
4686 dnl the output file can be renamed, and allows for a shell variable that can
4687 dnl be used later. The parameter is either CC or CXX. The result is the
4689 dnl $cf_cv_prog_CC_c_o
4690 dnl $cf_cv_prog_CXX_c_o
4691 AC_DEFUN([CF_PROG_CC_C_O],
4692 [AC_REQUIRE([AC_PROG_CC])dnl
4693 AC_MSG_CHECKING([whether [$]$1 understands -c and -o together])
4694 AC_CACHE_VAL(cf_cv_prog_$1_c_o,
4696 cat > conftest.$ac_ext <<CF_EOF
4700 ${cf_cv_main_return:-return}(0);
4703 # We do the test twice because some compilers refuse to overwrite an
4704 # existing .o file with -o, though they will create one.
4705 ac_try='[$]$1 -c conftest.$ac_ext -o conftest2.$ac_objext >&AC_FD_CC'
4706 if AC_TRY_EVAL(ac_try) &&
4707 test -f conftest2.$ac_objext && AC_TRY_EVAL(ac_try);
4709 eval cf_cv_prog_$1_c_o=yes
4711 eval cf_cv_prog_$1_c_o=no
4715 if test $cf_cv_prog_$1_c_o = yes; then
4716 AC_MSG_RESULT([yes])
4721 dnl ---------------------------------------------------------------------------
4722 dnl CF_PROG_CC_U_D version: 1 updated: 2005/07/14 16:59:30
4724 dnl Check if C (preprocessor) -U and -D options are processed in the order
4725 dnl given rather than by type of option. Some compilers insist on apply all
4726 dnl of the -U options after all of the -D options. Others allow mixing them,
4727 dnl and may predefine symbols that conflict with those we define.
4728 AC_DEFUN([CF_PROG_CC_U_D],
4730 AC_CACHE_CHECK(if $CC -U and -D options work together,cf_cv_cc_u_d_options,[
4731 cf_save_CPPFLAGS="$CPPFLAGS"
4732 CPPFLAGS="-UU_D_OPTIONS -DU_D_OPTIONS -DD_U_OPTIONS -UD_U_OPTIONS"
4735 make an undefined-error
4738 make a defined-error
4741 cf_cv_cc_u_d_options=yes],[
4742 cf_cv_cc_u_d_options=no])
4743 CPPFLAGS="$cf_save_CPPFLAGS"
4746 dnl ---------------------------------------------------------------------------
4747 dnl CF_PROG_EGREP version: 1 updated: 2006/09/16 11:40:59
4749 dnl AC_PROG_EGREP was introduced in autoconf 2.53.
4750 dnl This macro adds a check to ensure the script found something.
4751 AC_DEFUN([CF_PROG_EGREP],
4752 [AC_CACHE_CHECK([for egrep], [ac_cv_prog_egrep],
4753 [if echo a | (grep -E '(a|b)') >/dev/null 2>&1
4754 then ac_cv_prog_egrep='grep -E'
4755 else ac_cv_prog_egrep='egrep'
4757 EGREP=$ac_cv_prog_egrep
4759 test -z "$EGREP" && AC_MSG_ERROR(No egrep program found)
4761 dnl ---------------------------------------------------------------------------
4762 dnl CF_PROG_EXT version: 10 updated: 2004/01/03 19:28:18
4764 dnl Compute $PROG_EXT, used for non-Unix ports, such as OS/2 EMX.
4765 AC_DEFUN([CF_PROG_EXT],
4767 AC_REQUIRE([CF_CHECK_CACHE])
4768 case $cf_cv_system_name in
4770 CFLAGS="$CFLAGS -Zmt"
4771 CPPFLAGS="$CPPFLAGS -D__ST_MT_ERRNO__"
4772 CXXFLAGS="$CXXFLAGS -Zmt"
4773 # autoconf's macro sets -Zexe and suffix both, which conflict:w
4774 LDFLAGS="$LDFLAGS -Zmt -Zcrtdll"
4784 test -n "$PROG_EXT" && AC_DEFINE_UNQUOTED(PROG_EXT,"$PROG_EXT")
4786 dnl ---------------------------------------------------------------------------
4787 dnl CF_PROG_GNAT version: 1 updated: 2010/06/19 15:22:18
4789 dnl Check for gnatmake, ensure that it is complete.
4790 AC_DEFUN([CF_PROG_GNAT],[
4791 cf_ada_make=gnatmake
4792 AC_CHECK_PROG(gnat_exists, $cf_ada_make, yes, no)
4793 if test "$ac_cv_prog_gnat_exists" = no; then
4797 AC_CHECK_PROG(M4_exists, m4, yes, no)
4798 if test "$ac_cv_prog_M4_exists" = no; then
4799 cf_cv_prog_gnat_correct=no
4800 echo Ada95 binding required program m4 not found. Ada95 binding disabled.
4802 if test "$cf_cv_prog_gnat_correct" = yes; then
4803 AC_MSG_CHECKING(if GNAT works)
4804 CF_GNAT_TRY_RUN([procedure conftest;],
4807 procedure conftest is
4809 Text_IO.Put ("Hello World");
4811 GNAT.OS_Lib.OS_Exit (0);
4812 end conftest;],[cf_cv_prog_gnat_correct=yes],[cf_cv_prog_gnat_correct=no])
4813 AC_MSG_RESULT($cf_cv_prog_gnat_correct)
4817 AC_SUBST(cf_ada_make)
4819 dnl ---------------------------------------------------------------------------
4820 dnl CF_PROG_INSTALL version: 5 updated: 2002/12/21 22:46:07
4822 dnl Force $INSTALL to be an absolute-path. Otherwise, edit_man.sh and the
4823 dnl misc/tabset install won't work properly. Usually this happens only when
4824 dnl using the fallback mkinstalldirs script
4825 AC_DEFUN([CF_PROG_INSTALL],
4831 CF_DIRNAME(cf_dir,$INSTALL)
4832 test -z "$cf_dir" && cf_dir=.
4833 INSTALL=`cd $cf_dir && pwd`/`echo $INSTALL | sed -e 's%^.*/%%'`
4837 dnl ---------------------------------------------------------------------------
4838 dnl CF_PROG_LDCONFIG version: 3 updated: 2011/06/04 20:09:13
4839 dnl ----------------
4840 dnl Check for ldconfig, needed to fixup shared libraries that would be built
4841 dnl and then used in the install.
4842 AC_DEFUN([CF_PROG_LDCONFIG],[
4843 if test "$cross_compiling" = yes ; then
4846 case "$cf_cv_system_name" in #(vi
4847 dragonfly*|mirbsd*|freebsd*) #(vi
4848 test -z "$LDCONFIG" && LDCONFIG="/sbin/ldconfig -R"
4850 *) LDPATH=$PATH:/sbin:/usr/sbin
4851 AC_PATH_PROG(LDCONFIG,ldconfig,,$LDPATH)
4857 dnl ---------------------------------------------------------------------------
4858 dnl CF_PROG_LINT version: 2 updated: 2009/08/12 04:43:14
4860 AC_DEFUN([CF_PROG_LINT],
4862 AC_CHECK_PROGS(LINT, tdlint lint alint splint lclint)
4865 dnl ---------------------------------------------------------------------------
4866 dnl CF_PROG_LN_S version: 2 updated: 2010/08/14 18:25:37
4868 dnl Combine checks for "ln -s" and "ln -sf", updating $LN_S to include "-f"
4869 dnl option if it is supported.
4870 AC_DEFUN([CF_PROG_LN_S],[
4872 AC_MSG_CHECKING(if $LN_S -f options work)
4874 rm -f conf$$.src conf$$dst
4876 echo first >conf$$.src
4877 if $LN_S -f conf$$.src conf$$.dst 2>/dev/null; then
4882 rm -f conf$$.dst conf$$src
4883 AC_MSG_RESULT($cf_prog_ln_sf)
4885 test "$cf_prog_ln_sf" = yes && LN_S="$LN_S -f"
4887 dnl ---------------------------------------------------------------------------
4888 dnl CF_REGEX version: 8 updated: 2010/08/07 14:09:44
4890 dnl Attempt to determine if we've got one of the flavors of regular-expression
4891 dnl code that we can support.
4892 AC_DEFUN([CF_REGEX],
4897 cf_regex_libs="regex re"
4898 case $host_os in #(vi
4900 cf_regex_libs="regex.dll $cf_regex_libs"
4904 AC_CHECK_FUNC(regcomp,[cf_regex_func=regcomp],[
4905 for cf_regex_lib in $cf_regex_libs
4907 AC_CHECK_LIB($cf_regex_lib,regcomp,[
4908 CF_ADD_LIB($cf_regex_lib)
4909 cf_regex_func=regcomp
4914 if test "$cf_regex_func" = no ; then
4915 AC_CHECK_FUNC(compile,[cf_regex_func=compile],[
4916 AC_CHECK_LIB(gen,compile,[
4918 cf_regex_func=compile])])
4921 if test "$cf_regex_func" = no ; then
4922 AC_MSG_WARN(cannot find regular expression library)
4925 AC_CACHE_CHECK(for regular-expression headers,cf_cv_regex_hdrs,[
4928 case $cf_regex_func in #(vi
4930 for cf_regex_hdr in regexp.h regexpr.h
4932 AC_TRY_LINK([#include <$cf_regex_hdr>],[
4933 char *p = compile("", "", "", 0);
4934 int x = step("", "");
4936 cf_cv_regex_hdrs=$cf_regex_hdr
4942 for cf_regex_hdr in regex.h
4944 AC_TRY_LINK([#include <sys/types.h>
4945 #include <$cf_regex_hdr>],[
4947 int x = regcomp(p, "", 0);
4948 int y = regexec(p, "", 0, 0, 0);
4951 cf_cv_regex_hdrs=$cf_regex_hdr
4960 case $cf_cv_regex_hdrs in #(vi
4961 no) AC_MSG_WARN(no regular expression header found) ;; #(vi
4962 regex.h) AC_DEFINE(HAVE_REGEX_H_FUNCS) ;; #(vi
4963 regexp.h) AC_DEFINE(HAVE_REGEXP_H_FUNCS) ;; #(vi
4964 regexpr.h) AC_DEFINE(HAVE_REGEXPR_H_FUNCS) ;;
4967 dnl ---------------------------------------------------------------------------
4968 dnl CF_REMOVE_DEFINE version: 3 updated: 2010/01/09 11:05:50
4969 dnl ----------------
4970 dnl Remove all -U and -D options that refer to the given symbol from a list
4971 dnl of C compiler options. This works around the problem that not all
4972 dnl compilers process -U and -D options from left-to-right, so a -U option
4973 dnl cannot be used to cancel the effect of a preceding -D option.
4975 dnl $1 = target (which could be the same as the source variable)
4976 dnl $2 = source (including '$')
4977 dnl $3 = symbol to remove
4978 define([CF_REMOVE_DEFINE],
4981 sed -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[[ ]]/ /g' \
4982 -e 's/-[[UD]]'"$3"'\(=[[^ ]]*\)\?[$]//g'`
4984 dnl ---------------------------------------------------------------------------
4985 dnl CF_REMOVE_LIB version: 1 updated: 2007/02/17 14:11:52
4987 dnl Remove the given library from the symbol
4989 dnl $1 = target (which could be the same as the source variable)
4990 dnl $2 = source (including '$')
4991 dnl $3 = library to remove
4992 define([CF_REMOVE_LIB],
4994 # remove $3 library from $2
4995 $1=`echo "$2" | sed -e 's/-l$3[[ ]]//g' -e 's/-l$3[$]//'`
4997 dnl ---------------------------------------------------------------------------
4998 dnl CF_RPATH_HACK version: 9 updated: 2011/02/13 13:31:33
5000 AC_DEFUN([CF_RPATH_HACK],
5002 AC_REQUIRE([CF_LD_RPATH_OPT])
5003 AC_MSG_CHECKING(for updated LDFLAGS)
5004 if test -n "$LD_RPATH_OPT" ; then
5005 AC_MSG_RESULT(maybe)
5007 AC_CHECK_PROGS(cf_ldd_prog,ldd,no)
5008 cf_rpath_list="/usr/lib /lib"
5009 if test "$cf_ldd_prog" != no
5013 AC_TRY_LINK([#include <stdio.h>],
5015 [cf_rpath_oops=`$cf_ldd_prog conftest$ac_exeext | fgrep ' not found' | sed -e 's% =>.*$%%' |sort -u`
5016 cf_rpath_list=`$cf_ldd_prog conftest$ac_exeext | fgrep / | sed -e 's%^.*[[ ]]/%/%' -e 's%/[[^/]][[^/]]*$%%' |sort -u`])
5018 # If we passed the link-test, but get a "not found" on a given library,
5019 # this could be due to inept reconfiguration of gcc to make it only
5020 # partly honor /usr/local/lib (or whatever). Sometimes this behavior
5021 # is intentional, e.g., installing gcc in /usr/bin and suppressing the
5022 # /usr/local libraries.
5023 if test -n "$cf_rpath_oops"
5025 for cf_rpath_src in $cf_rpath_oops
5027 for cf_rpath_dir in \
5032 if test -f $cf_rpath_dir/lib/$cf_rpath_src
5034 CF_VERBOSE(...adding -L$cf_rpath_dir/lib to LDFLAGS for $cf_rpath_src)
5035 LDFLAGS="$LDFLAGS -L$cf_rpath_dir/lib"
5043 CF_VERBOSE(...checking EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5045 CF_RPATH_HACK_2(LDFLAGS)
5046 CF_RPATH_HACK_2(LIBS)
5048 CF_VERBOSE(...checked EXTRA_LDFLAGS $EXTRA_LDFLAGS)
5050 AC_SUBST(EXTRA_LDFLAGS)
5052 dnl ---------------------------------------------------------------------------
5053 dnl CF_RPATH_HACK_2 version: 6 updated: 2010/04/17 16:31:24
5055 dnl Do one set of substitutions for CF_RPATH_HACK, adding an rpath option to
5056 dnl EXTRA_LDFLAGS for each -L option found.
5058 dnl $cf_rpath_list contains a list of directories to ignore.
5060 dnl $1 = variable name to update. The LDFLAGS variable should be the only one,
5061 dnl but LIBS often has misplaced -L options.
5062 AC_DEFUN([CF_RPATH_HACK_2],
5064 CF_VERBOSE(...checking $1 [$]$1)
5067 for cf_rpath_src in [$]$1
5069 case $cf_rpath_src in #(vi
5072 # check if this refers to a directory which we will ignore
5074 if test -n "$cf_rpath_list"
5076 for cf_rpath_item in $cf_rpath_list
5078 if test "x$cf_rpath_src" = "x-L$cf_rpath_item"
5086 if test "$cf_rpath_skip" = no
5088 # transform the option
5089 if test "$LD_RPATH_OPT" = "-R " ; then
5090 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%-R %"`
5092 cf_rpath_tmp=`echo "$cf_rpath_src" |sed -e "s%-L%$LD_RPATH_OPT%"`
5095 # if we have not already added this, add it now
5096 cf_rpath_tst=`echo "$EXTRA_LDFLAGS" | sed -e "s%$cf_rpath_tmp %%"`
5097 if test "x$cf_rpath_tst" = "x$EXTRA_LDFLAGS"
5099 CF_VERBOSE(...Filter $cf_rpath_src ->$cf_rpath_tmp)
5100 EXTRA_LDFLAGS="$cf_rpath_tmp $EXTRA_LDFLAGS"
5105 cf_rpath_dst="$cf_rpath_dst $cf_rpath_src"
5109 CF_VERBOSE(...checked $1 [$]$1)
5110 AC_SUBST(EXTRA_LDFLAGS)
5112 dnl ---------------------------------------------------------------------------
5113 dnl CF_SHARED_OPTS version: 69 updated: 2011/07/30 19:31:39
5116 dnl Attempt to determine the appropriate CC/LD options for creating a shared
5119 dnl Note: ${LOCAL_LDFLAGS} is used to link executables that will run within the
5120 dnl build-tree, i.e., by making use of the libraries that are compiled in ../lib
5121 dnl We avoid compiling-in a ../lib path for the shared library since that can
5122 dnl lead to unexpected results at runtime.
5123 dnl ${LOCAL_LDFLAGS2} has the same intention but assumes that the shared libraries
5124 dnl are compiled in ../../lib
5126 dnl The variable 'cf_cv_do_symlinks' is used to control whether we configure
5127 dnl to install symbolic links to the rel/abi versions of shared libraries.
5129 dnl The variable 'cf_cv_shlib_version' controls whether we use the rel or abi
5130 dnl version when making symbolic links.
5132 dnl The variable 'cf_cv_shlib_version_infix' controls whether shared library
5133 dnl version numbers are infix (ex: libncurses.<ver>.dylib) or postfix
5134 dnl (ex: libncurses.so.<ver>).
5136 dnl Some loaders leave 'so_locations' lying around. It's nice to clean up.
5137 AC_DEFUN([CF_SHARED_OPTS],
5139 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
5140 AC_REQUIRE([CF_LD_RPATH_OPT])
5144 INSTALL_LIB="-m 644"
5146 cf_cv_do_symlinks=no
5148 test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
5150 AC_MSG_CHECKING(if release/abi version should be used for shared libs)
5151 AC_ARG_WITH(shlib-version,
5152 [ --with-shlib-version=X Specify rel or abi version for shared libs],
5153 [test -z "$withval" && withval=auto
5154 case $withval in #(vi
5156 cf_cv_shlib_version=auto
5158 rel|abi|auto|no) #(vi
5159 cf_cv_shlib_version=$withval
5162 AC_MSG_ERROR([option value must be one of: rel, abi, auto or no])
5165 ],[cf_cv_shlib_version=auto])
5166 AC_MSG_RESULT($cf_cv_shlib_version)
5170 # Some less-capable ports of gcc support only -fpic
5172 if test "$GCC" = yes
5174 AC_MSG_CHECKING(which $CC option to use)
5175 cf_save_CFLAGS="$CFLAGS"
5176 for CC_SHARED_OPTS in -fPIC -fpic ''
5178 CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
5179 AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
5181 AC_MSG_RESULT($CC_SHARED_OPTS)
5182 CFLAGS="$cf_save_CFLAGS"
5185 cf_cv_shlib_version_infix=no
5187 case $cf_cv_system_name in #(vi
5188 aix4.[3-9]*|aix[[5-7]]*) #(vi
5189 if test "$GCC" = yes; then
5191 MK_SHARED_LIB='${CC} -shared -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5193 # CC_SHARED_OPTS='-qpic=large -G'
5194 # perhaps "-bM:SRE -bnoentry -bexpall"
5195 MK_SHARED_LIB='${CC} -G -Wl,-brtl -Wl,-blibpath:${RPATH_LIST}:/usr/lib -o [$]@'
5199 MK_SHARED_LIB='${CC} ${CFLAGS} -o $[@] -Xlinker -soname=`basename $[@]` -nostart -e 0'
5203 MK_SHARED_LIB='sh ../mk_shared_lib.sh [$]@ [$]{CC} [$]{CFLAGS}'
5204 cf_cv_shlib_version=cygdll
5205 cf_cv_shlib_version_infix=cygdll
5206 cat >mk_shared_lib.sh <<-CF_EOF
5209 IMPORT_LIB=\`echo "\[$]1" | sed -e 's/cyg/lib/' -e 's/[[0-9]]*\.dll[$]/.dll.a/'\`
5212 Linking shared library
5213 ** SHARED_LIB \[$]SHARED_LIB
5214 ** IMPORT_LIB \[$]IMPORT_LIB
5216 exec \[$]* -shared -Wl,--out-implib=../lib/\[$]{IMPORT_LIB} -Wl,--export-all-symbols -o ../lib/\[$]{SHARED_LIB}
5218 chmod +x mk_shared_lib.sh
5221 EXTRA_CFLAGS="-no-cpp-precomp"
5222 CC_SHARED_OPTS="-dynamic"
5223 MK_SHARED_LIB='${CC} ${CFLAGS} -dynamiclib -install_name ${libdir}/`basename $[@]` -compatibility_version ${ABI_VERSION} -current_version ${ABI_VERSION} -o $[@]'
5224 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=abi
5225 cf_cv_shlib_version_infix=yes
5226 AC_CACHE_CHECK([if ld -search_paths_first works], cf_cv_ldflags_search_paths_first, [
5227 cf_save_LDFLAGS=$LDFLAGS
5228 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5229 AC_TRY_LINK(, [int i;], cf_cv_ldflags_search_paths_first=yes, cf_cv_ldflags_search_paths_first=no)
5230 LDFLAGS=$cf_save_LDFLAGS])
5231 if test $cf_cv_ldflags_search_paths_first = yes; then
5232 LDFLAGS="$LDFLAGS -Wl,-search_paths_first"
5236 # (tested with gcc 2.7.2 -- I don't have c89)
5237 if test "$GCC" = yes; then
5238 LD_SHARED_OPTS='-Xlinker +b -Xlinker ${libdir}'
5241 LD_SHARED_OPTS='-Wl,+b,${libdir}'
5243 MK_SHARED_LIB='${LD} +b ${libdir} -b -o $[@]'
5244 # HP-UX shared libraries must be executable, and should be
5245 # readonly to exploit a quirk in the memory manager.
5246 INSTALL_LIB="-m 555"
5249 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5250 if test "$cf_cv_shlib_version" = rel; then
5251 cf_shared_soname='`basename $@ .${REL_VERSION}`.${ABI_VERSION}'
5253 cf_shared_soname='`basename $@`'
5256 MK_SHARED_LIB='${CC} -shared -Wl,-rpath,${RPATH_LIST} -Wl,-h,'$cf_shared_soname' -o $@'
5259 if test "$cf_cv_enable_rpath" = yes ; then
5260 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5262 # tested with IRIX 5.2 and 'cc'.
5263 if test "$GCC" != yes; then
5264 CC_SHARED_OPTS='-KPIC'
5265 MK_SHARED_LIB='${CC} -shared -rdata_shared -soname `basename $[@]` -o $[@]'
5267 MK_SHARED_LIB='${CC} -shared -Wl,-soname,`basename $[@]` -o $[@]'
5269 cf_cv_rm_so_locs=yes
5271 linux*|gnu*|k*bsd*-gnu) #(vi
5272 if test "$DFT_LWR_MODEL" = "shared" ; then
5273 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5274 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5276 if test "$cf_cv_enable_rpath" = yes ; then
5277 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5280 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5282 openbsd[[2-9]].*|mirbsd*) #(vi
5283 if test "$DFT_LWR_MODEL" = "shared" ; then
5284 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5285 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5287 if test "$cf_cv_enable_rpath" = yes ; then
5288 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5290 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5292 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-Bshareable,-soname,'$cf_cv_shared_soname',-stats,-lc -o $[@]'
5294 nto-qnx*|openbsd*|freebsd[[12]].*) #(vi
5295 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5296 MK_SHARED_LIB='${LD} -Bshareable -o $[@]'
5297 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5299 dragonfly*|freebsd*) #(vi
5300 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5301 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5302 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5303 LOCAL_LDFLAGS2="${cf_ld_rpath_opt}\${RPATH_LIST} $LOCAL_LDFLAGS"
5304 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5307 MK_SHARED_LIB='${LD} -shared -Bshareable -soname=`basename $[@]` -o $[@]'
5310 CC_SHARED_OPTS="$CC_SHARED_OPTS -DPIC"
5311 if test "$DFT_LWR_MODEL" = "shared" && test "$cf_cv_enable_rpath" = yes ; then
5312 LOCAL_LDFLAGS="${cf_ld_rpath_opt}\$(LOCAL_LIBDIR)"
5313 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5314 EXTRA_LDFLAGS="${cf_ld_rpath_opt}\${RPATH_LIST} $EXTRA_LDFLAGS"
5315 if test "$cf_cv_shlib_version" = auto; then
5316 if test -f /usr/libexec/ld.elf_so; then
5317 cf_cv_shlib_version=abi
5319 cf_cv_shlib_version=rel
5323 MK_SHARED_LIB='${CC} ${CFLAGS} -shared -Wl,-soname,'$cf_cv_shared_soname' -o $[@]'
5325 MK_SHARED_LIB='${LD} -shared -Bshareable -o $[@]'
5329 # tested with OSF/1 V3.2 and 'cc'
5330 # tested with OSF/1 V3.2 and gcc 2.6.3 (but the c++ demo didn't
5331 # link with shared libs).
5332 MK_SHARED_LIB='${LD} -set_version ${REL_VERSION}:${ABI_VERSION} -expect_unresolved "*" -shared -soname `basename $[@]`'
5333 case $host_os in #(vi
5335 MK_SHARED_LIB="${MK_SHARED_LIB} -msym"
5338 MK_SHARED_LIB="${MK_SHARED_LIB}"' -o $[@]'
5339 if test "$DFT_LWR_MODEL" = "shared" ; then
5340 LOCAL_LDFLAGS="${LD_RPATH_OPT}\$(LOCAL_LIBDIR)"
5341 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5343 cf_cv_rm_so_locs=yes
5345 sco3.2v5*) # (also uw2* and UW7: hops 13-Apr-98
5346 # tested with osr5.0.5
5347 if test "$GCC" != yes; then
5348 CC_SHARED_OPTS='-belf -KPIC'
5350 MK_SHARED_LIB='${LD} -dy -G -h `basename $[@] .${REL_VERSION}`.${ABI_VERSION} -o [$]@'
5351 if test "$cf_cv_enable_rpath" = yes ; then
5352 # only way is to set LD_RUN_PATH but no switch for it
5355 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5356 LINK_PROGS='LD_RUN_PATH=${libdir}'
5357 LINK_TESTS='Pwd=`pwd`;LD_RUN_PATH=`dirname $${Pwd}`/lib'
5360 # tested with SunOS 4.1.1 and gcc 2.7.0
5361 if test "$GCC" != yes; then
5362 CC_SHARED_OPTS='-KPIC'
5364 MK_SHARED_LIB='${LD} -assert pure-text -o $[@]'
5365 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=rel
5368 # tested with SunOS 5.5.1 (solaris 2.5.1) and gcc 2.7.2
5369 # tested with SunOS 5.10 (solaris 10) and gcc 3.4.3
5370 if test "$DFT_LWR_MODEL" = "shared" ; then
5371 LOCAL_LDFLAGS="-R \$(LOCAL_LIBDIR):\${libdir}"
5372 LOCAL_LDFLAGS2="$LOCAL_LDFLAGS"
5374 if test "$cf_cv_enable_rpath" = yes ; then
5375 EXTRA_LDFLAGS="-R \${libdir} $EXTRA_LDFLAGS"
5378 if test "$GCC" != yes; then
5379 cf_save_CFLAGS="$CFLAGS"
5380 for cf_shared_opts in -xcode=pic32 -xcode=pic13 -KPIC -Kpic -O
5382 CFLAGS="$cf_shared_opts $cf_save_CFLAGS"
5383 AC_TRY_COMPILE([#include <stdio.h>],[printf("Hello\n");],[break])
5385 CFLAGS="$cf_save_CFLAGS"
5386 CC_SHARED_OPTS=$cf_shared_opts
5387 MK_SHARED_LIB='${CC} -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5389 MK_SHARED_LIB='${CC} -shared -dy -G -h '$cf_cv_shared_soname' -o $[@]'
5392 sysv5uw7*|unix_sv*) #(vi
5393 # tested with UnixWare 7.1.0 (gcc 2.95.2 and cc)
5394 if test "$GCC" != yes; then
5395 CC_SHARED_OPTS='-KPIC'
5397 MK_SHARED_LIB='${LD} -d y -G -o [$]@'
5400 CC_SHARED_OPTS='unknown'
5401 MK_SHARED_LIB='echo unknown'
5405 # This works if the last tokens in $MK_SHARED_LIB are the -o target.
5406 case "$cf_cv_shlib_version" in #(vi
5408 case "$MK_SHARED_LIB" in #(vi
5410 test "$cf_cv_do_symlinks" = no && cf_cv_do_symlinks=yes
5413 AC_MSG_WARN(ignored --with-shlib-version)
5419 # RPATH_LIST is a colon-separated list of directories
5420 test -n "$cf_ld_rpath_opt" && MK_SHARED_LIB="$MK_SHARED_LIB $cf_ld_rpath_opt\${RPATH_LIST}"
5421 test -z "$RPATH_LIST" && RPATH_LIST="\${libdir}"
5423 AC_SUBST(CC_SHARED_OPTS)
5424 AC_SUBST(LD_RPATH_OPT)
5425 AC_SUBST(LD_SHARED_OPTS)
5426 AC_SUBST(MK_SHARED_LIB)
5427 AC_SUBST(LINK_PROGS)
5428 AC_SUBST(LINK_TESTS)
5429 AC_SUBST(EXTRA_LDFLAGS)
5430 AC_SUBST(LOCAL_LDFLAGS)
5431 AC_SUBST(LOCAL_LDFLAGS2)
5432 AC_SUBST(INSTALL_LIB)
5433 AC_SUBST(RPATH_LIST)
5435 dnl ---------------------------------------------------------------------------
5436 dnl CF_SHARED_SONAME version: 3 updated: 2008/09/08 18:34:43
5437 dnl ----------------
5438 dnl utility macro for CF_SHARED_OPTS, constructs "$cf_cv_shared_soname" for
5439 dnl substitution into MK_SHARED_LIB string for the "-soname" (or similar)
5442 dnl $1 is the default that should be used for "$cf_cv_shlib_version".
5443 dnl If missing, use "rel".
5444 define([CF_SHARED_SONAME],
5446 test "$cf_cv_shlib_version" = auto && cf_cv_shlib_version=ifelse($1,,rel,$1)
5447 if test "$cf_cv_shlib_version" = rel; then
5448 cf_cv_shared_soname='`basename $[@] .${REL_VERSION}`.${ABI_VERSION}'
5450 cf_cv_shared_soname='`basename $[@]`'
5453 dnl ---------------------------------------------------------------------------
5454 dnl CF_SIGWINCH version: 1 updated: 2006/04/02 16:41:09
5456 dnl Use this macro after CF_XOPEN_SOURCE, but do not require it (not all
5457 dnl programs need this test).
5459 dnl This is really a MacOS X 10.4.3 workaround. Defining _POSIX_C_SOURCE
5460 dnl forces SIGWINCH to be undefined (breaks xterm, ncurses). Oddly, the struct
5461 dnl winsize declaration is left alone - we may revisit this if Apple choose to
5462 dnl break that part of the interface as well.
5463 AC_DEFUN([CF_SIGWINCH],
5465 AC_CACHE_CHECK(if SIGWINCH is defined,cf_cv_define_sigwinch,[
5467 #include <sys/types.h>
5468 #include <sys/signal.h>
5469 ],[int x = SIGWINCH],
5470 [cf_cv_define_sigwinch=yes],
5472 #undef _XOPEN_SOURCE
5473 #undef _POSIX_SOURCE
5474 #undef _POSIX_C_SOURCE
5475 #include <sys/types.h>
5476 #include <sys/signal.h>
5477 ],[int x = SIGWINCH],
5478 [cf_cv_define_sigwinch=maybe],
5479 [cf_cv_define_sigwinch=no])
5483 if test "$cf_cv_define_sigwinch" = maybe ; then
5484 AC_CACHE_CHECK(for actual SIGWINCH definition,cf_cv_fixup_sigwinch,[
5485 cf_cv_fixup_sigwinch=unknown
5487 while test $cf_sigwinch != 1
5490 #undef _XOPEN_SOURCE
5491 #undef _POSIX_SOURCE
5492 #undef _POSIX_C_SOURCE
5493 #include <sys/types.h>
5494 #include <sys/signal.h>
5496 #if SIGWINCH != $cf_sigwinch
5500 [cf_cv_fixup_sigwinch=$cf_sigwinch
5503 cf_sigwinch=`expr $cf_sigwinch - 1`
5507 if test "$cf_cv_fixup_sigwinch" != unknown ; then
5508 CPPFLAGS="$CPPFLAGS -DSIGWINCH=$cf_cv_fixup_sigwinch"
5512 dnl ---------------------------------------------------------------------------
5513 dnl CF_SIG_ATOMIC_T version: 2 updated: 2005/09/18 17:27:12
5515 dnl signal handler, but there are some gcc depedencies in that recommendation.
5517 AC_DEFUN([CF_SIG_ATOMIC_T],
5519 AC_MSG_CHECKING(for signal global datatype)
5520 AC_CACHE_VAL(cf_cv_sig_atomic_t,[
5522 "volatile sig_atomic_t" \
5527 #include <sys/types.h>
5533 static void handler(int sig)
5537 [signal(SIGINT, handler);
5539 [cf_cv_sig_atomic_t=$cf_type],
5540 [cf_cv_sig_atomic_t=no])
5541 test "$cf_cv_sig_atomic_t" != no && break
5544 AC_MSG_RESULT($cf_cv_sig_atomic_t)
5545 test "$cf_cv_sig_atomic_t" != no && AC_DEFINE_UNQUOTED(SIG_ATOMIC_T, $cf_cv_sig_atomic_t)
5547 dnl ---------------------------------------------------------------------------
5548 dnl CF_SIZECHANGE version: 8 updated: 2000/11/04 12:22:16
5550 dnl Check for definitions & structures needed for window size-changing
5551 dnl FIXME: check that this works with "snake" (HP-UX 10.x)
5552 AC_DEFUN([CF_SIZECHANGE],
5554 AC_REQUIRE([CF_STRUCT_TERMIOS])
5555 AC_CACHE_CHECK(declaration of size-change, cf_cv_sizechange,[
5556 cf_cv_sizechange=unknown
5557 cf_save_CPPFLAGS="$CPPFLAGS"
5559 for cf_opts in "" "NEED_PTEM_H"
5562 CPPFLAGS="$cf_save_CPPFLAGS"
5563 test -n "$cf_opts" && CPPFLAGS="$CPPFLAGS -D$cf_opts"
5564 AC_TRY_COMPILE([#include <sys/types.h>
5565 #ifdef HAVE_TERMIOS_H
5566 #include <termios.h>
5568 #ifdef HAVE_TERMIO_H
5573 /* This is a workaround for SCO: they neglected to define struct winsize in
5574 * termios.h -- it's only in termio.h and ptem.h
5576 #include <sys/stream.h>
5577 #include <sys/ptem.h>
5579 #if !defined(sun) || !defined(HAVE_TERMIOS_H)
5580 #include <sys/ioctl.h>
5584 struct ttysize win; /* FIXME: what system is this? */
5585 int y = win.ts_lines;
5586 int x = win.ts_cols;
5593 no TIOCGSIZE or TIOCGWINSZ
5594 #endif /* TIOCGWINSZ */
5595 #endif /* TIOCGSIZE */
5597 [cf_cv_sizechange=yes],
5598 [cf_cv_sizechange=no])
5600 CPPFLAGS="$cf_save_CPPFLAGS"
5601 if test "$cf_cv_sizechange" = yes ; then
5602 echo "size-change succeeded ($cf_opts)" >&AC_FD_CC
5603 test -n "$cf_opts" && cf_cv_sizechange="$cf_opts"
5608 if test "$cf_cv_sizechange" != no ; then
5609 AC_DEFINE(HAVE_SIZECHANGE)
5610 case $cf_cv_sizechange in #(vi
5612 AC_DEFINE_UNQUOTED($cf_cv_sizechange )
5617 dnl ---------------------------------------------------------------------------
5618 dnl CF_SRC_MODULES version: 21 updated: 2010/09/04 17:37:40
5620 dnl For each parameter, test if the source-directory exists, and if it contains
5621 dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll
5622 dnl use in CF_LIB_RULES.
5624 dnl This uses the configured value to make the lists SRC_SUBDIRS and
5625 dnl SUB_MAKEFILES which are used in the makefile-generation scheme.
5626 AC_DEFUN([CF_SRC_MODULES],
5628 AC_MSG_CHECKING(for src modules)
5630 # dependencies and linker-arguments for test-programs
5631 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEPS"
5632 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${LIB_NAME}${DFT_DEP_SUFFIX} $TEST_DEP2"
5633 if test "$DFT_LWR_MODEL" = "libtool"; then
5634 TEST_ARGS="${TEST_DEPS}"
5635 TEST_ARG2="${TEST_DEP2}"
5637 TEST_ARGS="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARGS"
5638 TEST_ARG2="-l${LIB_NAME}${DFT_ARG_SUFFIX} $TEST_ARG2"
5644 if test -f $srcdir/$cf_dir/modules; then
5646 # We may/may not have tack in the distribution, though the
5648 if test $cf_dir = tack ; then
5649 if test ! -f $srcdir/${cf_dir}/${cf_dir}.h; then
5654 if test -z "$cf_cv_src_modules"; then
5655 cf_cv_src_modules=$cf_dir
5657 cf_cv_src_modules="$cf_cv_src_modules $cf_dir"
5660 # Make the ncurses_cfg.h file record the library interface files as
5661 # well. These are header files that are the same name as their
5662 # directory. Ncurses is the only library that does not follow
5664 if test $cf_dir = tack ; then
5666 elif test -f $srcdir/${cf_dir}/${cf_dir}.h; then
5667 CF_UPPER(cf_have_include,$cf_dir)
5668 AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
5669 AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
5670 TEST_DEPS="${LIB_DIR}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEPS"
5671 TEST_DEP2="${LIB_2ND}/${LIB_PREFIX}${cf_dir}${DFT_DEP_SUFFIX} $TEST_DEP2"
5672 if test "$DFT_LWR_MODEL" = "libtool"; then
5673 TEST_ARGS="${TEST_DEPS}"
5674 TEST_ARG2="${TEST_DEP2}"
5676 TEST_ARGS="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARGS"
5677 TEST_ARG2="-l${cf_dir}${DFT_ARG_SUFFIX} $TEST_ARG2"
5682 AC_MSG_RESULT($cf_cv_src_modules)
5684 TEST_ARGS="-L${LIB_DIR} $TEST_ARGS"
5685 TEST_ARG2="-L${LIB_2ND} $TEST_ARG2"
5694 if test "x$cf_with_manpages" != xno ; then
5695 SRC_SUBDIRS="$SRC_SUBDIRS man"
5697 SRC_SUBDIRS="$SRC_SUBDIRS include"
5698 for cf_dir in $cf_cv_src_modules
5700 SRC_SUBDIRS="$SRC_SUBDIRS $cf_dir"
5702 if test "x$cf_with_tests" != "xno" ; then
5703 SRC_SUBDIRS="$SRC_SUBDIRS test"
5705 test -z "$MAKE_TERMINFO" && SRC_SUBDIRS="$SRC_SUBDIRS misc"
5706 test "$cf_with_cxx_binding" != no && SRC_SUBDIRS="$SRC_SUBDIRS c++"
5709 if test "$cf_cv_prog_gnat_correct" = yes && test -f $srcdir/Ada95/Makefile.in; then
5710 SRC_SUBDIRS="$SRC_SUBDIRS Ada95"
5711 ADA_SUBDIRS="gen src"
5712 if test "x$cf_with_tests" != "xno" ; then
5713 ADA_SUBDIRS="$ADA_SUBDIRS samples"
5718 for cf_dir in $SRC_SUBDIRS
5720 SUB_MAKEFILES="$SUB_MAKEFILES $cf_dir/Makefile"
5723 if test -n "$ADA_SUBDIRS"; then
5724 for cf_dir in $ADA_SUBDIRS
5726 SUB_MAKEFILES="$SUB_MAKEFILES Ada95/$cf_dir/Makefile"
5728 AC_SUBST(ADA_SUBDIRS)
5731 dnl ---------------------------------------------------------------------------
5732 dnl CF_STDCPP_LIBRARY version: 7 updated: 2010/05/29 16:31:02
5733 dnl -----------------
5734 dnl Check for -lstdc++, which is GNU's standard C++ library.
5735 AC_DEFUN([CF_STDCPP_LIBRARY],
5737 if test -n "$GXX" ; then
5738 case $cf_cv_system_name in #(vi
5740 cf_stdcpp_libname=stdcpp
5743 cf_stdcpp_libname=stdc++
5746 AC_CACHE_CHECK(for library $cf_stdcpp_libname,cf_cv_libstdcpp,[
5748 CF_ADD_LIB($cf_stdcpp_libname)
5750 #include <strstream.h>],[
5752 strstreambuf foo(buf, sizeof(buf))
5754 [cf_cv_libstdcpp=yes],
5755 [cf_cv_libstdcpp=no])
5758 test "$cf_cv_libstdcpp" = yes && CF_ADD_LIB($cf_stdcpp_libname,CXXLIBS)
5761 dnl ---------------------------------------------------------------------------
5762 dnl CF_STRIP_G_OPT version: 3 updated: 2002/12/21 19:25:52
5764 dnl Remove "-g" option from the compiler options
5765 AC_DEFUN([CF_STRIP_G_OPT],
5766 [$1=`echo ${$1} | sed -e 's%-g %%' -e 's%-g$%%'`])dnl
5767 dnl ---------------------------------------------------------------------------
5768 dnl CF_STRUCT_SIGACTION version: 4 updated: 2011/04/16 11:52:53
5769 dnl -------------------
5770 dnl Check if we need _POSIX_SOURCE defined to use struct sigaction. We'll only
5771 dnl do this if we've found the sigaction function.
5772 AC_DEFUN([CF_STRUCT_SIGACTION],[
5773 AC_REQUIRE([CF_XOPEN_SOURCE])
5775 if test "$ac_cv_func_sigaction" = yes; then
5776 AC_MSG_CHECKING(whether sigaction needs _POSIX_SOURCE)
5778 #include <sys/types.h>
5779 #include <signal.h>],
5780 [struct sigaction act],
5784 #define _POSIX_SOURCE
5785 #include <sys/types.h>
5786 #include <signal.h>],
5787 [struct sigaction act],
5789 AC_DEFINE(_POSIX_SOURCE)],
5790 [sigact_bad=unknown])])
5791 AC_MSG_RESULT($sigact_bad)
5794 dnl ---------------------------------------------------------------------------
5795 dnl CF_STRUCT_TERMIOS version: 6 updated: 2011/04/16 11:52:53
5796 dnl -----------------
5797 dnl Some machines require _POSIX_SOURCE to completely define struct termios.
5798 AC_DEFUN([CF_STRUCT_TERMIOS],[
5799 AC_REQUIRE([CF_XOPEN_SOURCE])
5807 if test "$ISC" = yes ; then
5808 AC_CHECK_HEADERS( sys/termio.h )
5810 if test "$ac_cv_header_termios_h" = yes ; then
5811 case "$CFLAGS $CPPFLAGS" in
5813 termios_bad=dunno ;;
5814 *) termios_bad=maybe ;;
5816 if test "$termios_bad" = maybe ; then
5817 AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
5818 AC_TRY_COMPILE([#include <termios.h>],
5819 [struct termios foo; int x = foo.c_iflag],
5822 #define _POSIX_SOURCE
5823 #include <termios.h>],
5824 [struct termios foo; int x = foo.c_iflag],
5825 termios_bad=unknown,
5826 termios_bad=yes AC_DEFINE(_POSIX_SOURCE))
5828 AC_MSG_RESULT($termios_bad)
5832 dnl ---------------------------------------------------------------------------
5833 dnl CF_SUBDIR_PATH version: 6 updated: 2010/04/21 06:20:50
5835 dnl Construct a search-list for a nonstandard header/lib-file
5836 dnl $1 = the variable to return as result
5837 dnl $2 = the package name
5838 dnl $3 = the subdirectory, e.g., bin, include or lib
5839 AC_DEFUN([CF_SUBDIR_PATH],
5843 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr,$prefix)
5844 CF_ADD_SUBDIR_PATH($1,$2,$3,$prefix,NONE)
5845 CF_ADD_SUBDIR_PATH($1,$2,$3,/usr/local,$prefix)
5846 CF_ADD_SUBDIR_PATH($1,$2,$3,/opt,$prefix)
5847 CF_ADD_SUBDIR_PATH($1,$2,$3,[$]HOME,$prefix)
5849 dnl ---------------------------------------------------------------------------
5850 dnl CF_SUBST version: 4 updated: 2006/06/17 12:33:03
5852 dnl Shorthand macro for substituting things that the user may override
5853 dnl with an environment variable.
5855 dnl $1 = long/descriptive name
5856 dnl $2 = environment variable
5857 dnl $3 = default value
5858 AC_DEFUN([CF_SUBST],
5859 [AC_CACHE_VAL(cf_cv_subst_$2,[
5860 AC_MSG_CHECKING(for $1 (symbol $2))
5861 CF_SUBST_IF([-z "[$]$2"], [$2], [$3])
5862 cf_cv_subst_$2=[$]$2
5863 AC_MSG_RESULT([$]$2)
5866 dnl ---------------------------------------------------------------------------
5867 dnl CF_SUBST_IF version: 2 updated: 2006/06/17 12:33:03
5869 dnl Shorthand macro for substituting things that the user may override
5870 dnl with an environment variable.
5872 dnl $1 = condition to pass to "test"
5873 dnl $2 = environment variable
5874 dnl $3 = value if the test succeeds
5875 dnl $4 = value if the test fails
5876 AC_DEFUN([CF_SUBST_IF],
5885 dnl ---------------------------------------------------------------------------
5886 dnl CF_SUBST_NCURSES_VERSION version: 8 updated: 2006/09/16 11:40:59
5887 dnl ------------------------
5888 dnl Get the version-number for use in shared-library naming, etc.
5889 AC_DEFUN([CF_SUBST_NCURSES_VERSION],
5891 AC_REQUIRE([CF_PROG_EGREP])
5892 NCURSES_MAJOR="`$ac_cv_prog_egrep '^NCURSES_MAJOR[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5893 NCURSES_MINOR="`$ac_cv_prog_egrep '^NCURSES_MINOR[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5894 NCURSES_PATCH="`$ac_cv_prog_egrep '^NCURSES_PATCH[[ ]]*=' $srcdir/dist.mk | sed -e 's/^[[^0-9]]*//'`"
5895 cf_cv_abi_version=${NCURSES_MAJOR}
5896 cf_cv_rel_version=${NCURSES_MAJOR}.${NCURSES_MINOR}
5897 dnl Show the computed version, for logging
5898 cf_cv_timestamp=`date`
5899 AC_MSG_RESULT(Configuring NCURSES $cf_cv_rel_version ABI $cf_cv_abi_version ($cf_cv_timestamp))
5900 dnl We need these values in the generated headers
5901 AC_SUBST(NCURSES_MAJOR)
5902 AC_SUBST(NCURSES_MINOR)
5903 AC_SUBST(NCURSES_PATCH)
5904 dnl We need these values in the generated makefiles
5905 AC_SUBST(cf_cv_rel_version)
5906 AC_SUBST(cf_cv_abi_version)
5907 AC_SUBST(cf_cv_builtin_bool)
5908 AC_SUBST(cf_cv_header_stdbool_h)
5909 AC_SUBST(cf_cv_type_of_bool)dnl
5911 dnl ---------------------------------------------------------------------------
5912 dnl CF_SYS_TIME_SELECT version: 4 updated: 2000/10/04 09:18:40
5913 dnl ------------------
5914 dnl Check if we can include <sys/time.h> with <sys/select.h>; this breaks on
5915 dnl older SCO configurations.
5916 AC_DEFUN([CF_SYS_TIME_SELECT],
5918 AC_MSG_CHECKING(if sys/time.h works with sys/select.h)
5919 AC_CACHE_VAL(cf_cv_sys_time_select,[
5921 #include <sys/types.h>
5922 #ifdef HAVE_SYS_TIME_H
5923 #include <sys/time.h>
5925 #ifdef HAVE_SYS_SELECT_H
5926 #include <sys/select.h>
5928 ],[],[cf_cv_sys_time_select=yes],
5929 [cf_cv_sys_time_select=no])
5931 AC_MSG_RESULT($cf_cv_sys_time_select)
5932 test "$cf_cv_sys_time_select" = yes && AC_DEFINE(HAVE_SYS_TIME_SELECT)
5934 dnl ---------------------------------------------------------------------------
5935 dnl CF_TOP_BUILDDIR version: 1 updated: 2006/10/15 16:33:23
5937 dnl Define a top_builddir symbol, for applications that need an absolute path.
5938 AC_DEFUN([CF_TOP_BUILDDIR],
5941 AC_SUBST(top_builddir)
5943 dnl ---------------------------------------------------------------------------
5944 dnl CF_TYPEOF_CHTYPE version: 8 updated: 2006/12/16 12:33:30
5945 dnl ----------------
5946 dnl Determine the type we should use for chtype (and attr_t, which is treated
5947 dnl as the same thing). We want around 32 bits, so on most machines want a
5948 dnl long, but on newer 64-bit machines, probably want an int. If we're using
5949 dnl wide characters, we have to have a type compatible with that, as well.
5950 AC_DEFUN([CF_TYPEOF_CHTYPE],
5952 AC_MSG_CHECKING([for type of chtype])
5953 AC_CACHE_VAL(cf_cv_typeof_chtype,[
5955 #define WANT_BITS 31
5959 FILE *fp = fopen("cf_test.out", "w");
5961 char *result = "long";
5962 if (sizeof(unsigned long) > sizeof(unsigned int)) {
5965 for (n = 0; n < WANT_BITS; n++) {
5968 if (y != 1 || x == 0) {
5974 * If x is nonzero, an int is big enough for the bits
5977 result = (x != 0) ? "int" : "long";
5982 ${cf_cv_main_return:-return}(0);
5985 [cf_cv_typeof_chtype=`cat cf_test.out`],
5986 [cf_cv_typeof_chtype=long],
5987 [cf_cv_typeof_chtype=long])
5990 AC_MSG_RESULT($cf_cv_typeof_chtype)
5992 AC_SUBST(cf_cv_typeof_chtype)
5993 AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype)
5995 dnl ---------------------------------------------------------------------------
5996 dnl CF_TYPE_SIGACTION version: 3 updated: 2000/08/12 23:18:52
5997 dnl -----------------
5999 AC_DEFUN([CF_TYPE_SIGACTION],
6001 AC_MSG_CHECKING([for type sigaction_t])
6002 AC_CACHE_VAL(cf_cv_type_sigaction,[
6004 #include <signal.h>],
6006 [cf_cv_type_sigaction=yes],
6007 [cf_cv_type_sigaction=no])])
6008 AC_MSG_RESULT($cf_cv_type_sigaction)
6009 test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION)
6011 dnl ---------------------------------------------------------------------------
6012 dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
6013 dnl --------------------
6014 dnl Test if the compiler supports 'U' and 'L' suffixes. Only old compilers
6015 dnl won't, but they're still there.
6016 AC_DEFUN([CF_UNSIGNED_LITERALS],
6018 AC_MSG_CHECKING([if unsigned literals are legal])
6019 AC_CACHE_VAL(cf_cv_unsigned_literals,[
6020 AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
6021 [cf_cv_unsigned_literals=yes],
6022 [cf_cv_unsigned_literals=no])
6024 AC_MSG_RESULT($cf_cv_unsigned_literals)
6026 dnl ---------------------------------------------------------------------------
6027 dnl CF_UPPER version: 5 updated: 2001/01/29 23:40:59
6029 dnl Make an uppercase version of a variable
6030 dnl $1=uppercase($2)
6031 AC_DEFUN([CF_UPPER],
6033 $1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
6035 dnl ---------------------------------------------------------------------------
6036 dnl CF_UTF8_LIB version: 7 updated: 2010/06/20 09:24:28
6038 dnl Check for multibyte support, and if not found, utf8 compatibility library
6039 AC_DEFUN([CF_UTF8_LIB],
6041 AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
6042 cf_save_LIBS="$LIBS"
6044 #include <stdlib.h>],[putwc(0,0);],
6045 [cf_cv_utf8_lib=yes],
6047 #include <libutf8.h>],[putwc(0,0);],utf8,
6048 [cf_cv_utf8_lib=add-on],
6049 [cf_cv_utf8_lib=no])
6052 # HAVE_LIBUTF8_H is used by ncurses if curses.h is shared between
6054 if test "$cf_cv_utf8_lib" = "add-on" ; then
6055 AC_DEFINE(HAVE_LIBUTF8_H)
6056 CF_ADD_INCDIR($cf_cv_header_path_utf8)
6057 CF_ADD_LIBDIR($cf_cv_library_path_utf8)
6058 CF_ADD_LIBS($cf_cv_library_file_utf8)
6061 dnl ---------------------------------------------------------------------------
6062 dnl CF_VA_COPY version: 2 updated: 2010/03/04 05:37:29
6064 dnl check for va_copy, part of stdarg.h
6065 dnl Also, workaround for glibc's __va_copy, by checking for both.
6066 AC_DEFUN([CF_VA_COPY],[
6067 AC_CACHE_CHECK(for va_copy, cf_cv_have_va_copy,[
6074 cf_cv_have_va_copy=yes,
6075 cf_cv_have_va_copy=no)])
6077 test "$cf_cv_have_va_copy" = yes && AC_DEFINE(HAVE_VA_COPY)
6079 AC_CACHE_CHECK(for __va_copy, cf_cv_have___va_copy,[
6085 __va_copy(dst, src)],
6086 cf_cv_have___va_copy=yes,
6087 cf_cv_have___va_copy=no)])
6089 test "$cf_cv_have___va_copy" = yes && AC_DEFINE(HAVE___VA_COPY)
6091 dnl ---------------------------------------------------------------------------
6092 dnl CF_VERBOSE version: 3 updated: 2007/07/29 09:55:12
6094 dnl Use AC_VERBOSE w/o the warnings
6095 AC_DEFUN([CF_VERBOSE],
6096 [test -n "$verbose" && echo " $1" 1>&AC_FD_MSG
6099 dnl ---------------------------------------------------------------------------
6100 dnl CF_WCHAR_TYPE version: 3 updated: 2010/05/26 16:44:57
6102 dnl Check if type wide-character type $1 is declared, and if so, which header
6103 dnl file is needed. The second parameter is used to set a shell variable when
6104 dnl the type is not found. The first parameter sets a shell variable for the
6106 AC_DEFUN([CF_WCHAR_TYPE],
6108 # This is needed on Tru64 5.0 to declare $1
6109 AC_CACHE_CHECK(if we must include wchar.h to declare $1,cf_cv_$1,[
6114 #ifdef HAVE_LIBUTF8_H
6115 #include <libutf8.h>
6124 #ifdef HAVE_LIBUTF8_H
6125 #include <libutf8.h>
6129 [cf_cv_$1=unknown])])])
6131 if test "$cf_cv_$1" = yes ; then
6132 AC_DEFINE(NEED_WCHAR_H)
6137 # if we do not find $1 in either place, use substitution to provide a fallback.
6138 if test "$cf_cv_$1" = unknown ; then
6143 # if we find $1 in either place, use substitution to provide a fallback.
6144 if test "$cf_cv_$1" != unknown ; then
6149 dnl ---------------------------------------------------------------------------
6150 dnl CF_WEAK_SYMBOLS version: 1 updated: 2008/08/16 19:18:06
6152 dnl Check for compiler-support for weak symbols.
6153 dnl This works with "recent" gcc.
6154 AC_DEFUN([CF_WEAK_SYMBOLS],[
6155 AC_CACHE_CHECK(if $CC supports weak symbols,cf_cv_weak_symbols,[
6158 #include <stdio.h>],
6160 #if defined(__GNUC__)
6161 # if defined __USE_ISOC99
6162 # define _cat_pragma(exp) _Pragma(#exp)
6163 # define _weak_pragma(exp) _cat_pragma(weak name)
6165 # define _weak_pragma(exp)
6167 # define _declare(name) __extension__ extern __typeof__(name) name
6168 # define weak_symbol(name) _weak_pragma(name) _declare(name) __attribute__((weak))
6172 ],[cf_cv_weak_symbols=yes],[cf_cv_weak_symbols=no])
6175 dnl ---------------------------------------------------------------------------
6176 dnl CF_WITH_ABI_VERSION version: 1 updated: 2003/09/20 18:12:49
6177 dnl -------------------
6178 dnl Allow library's ABI to be overridden. Generally this happens when a
6179 dnl packager has incremented the ABI past that used in the original package,
6180 dnl and wishes to keep doing this.
6182 dnl $1 is the package name, if any, to derive a corresponding {package}_ABI
6184 AC_DEFUN([CF_WITH_ABI_VERSION],[
6185 test -z "$cf_cv_abi_version" && cf_cv_abi_version=0
6186 AC_ARG_WITH(abi-version,
6187 [ --with-abi-version=XXX override derived ABI version],
6188 [AC_MSG_WARN(overriding ABI version $cf_cv_abi_version to $withval)
6189 cf_cv_abi_version=$withval])
6190 CF_NUMBER_SYNTAX($cf_cv_abi_version,ABI version)
6192 $1_ABI=$cf_cv_abi_version
6195 dnl ---------------------------------------------------------------------------
6196 dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
6197 dnl --------------------
6198 dnl Command-line option to specify the Ada95 compiler.
6199 AC_DEFUN([CF_WITH_ADA_COMPILER],[
6200 AC_MSG_CHECKING(for ada-compiler)
6201 AC_ARG_WITH(ada-compiler,
6202 [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
6203 [cf_ada_compiler=$withval],
6204 [cf_ada_compiler=gnatmake])
6205 AC_SUBST(cf_ada_compiler)
6206 AC_MSG_RESULT($cf_ada_compiler)
6208 dnl ---------------------------------------------------------------------------
6209 dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
6210 dnl -------------------
6211 dnl Command-line option to specify where Ada includes will install.
6212 AC_DEFUN([CF_WITH_ADA_INCLUDE],[
6213 AC_MSG_CHECKING(for ada-include)
6214 CF_WITH_PATH(ada-include,
6215 [ --with-ada-include=DIR Ada includes are in DIR],
6217 PREFIX/share/ada/adainclude,
6218 [$]prefix/share/ada/adainclude)
6219 AC_SUBST(ADA_INCLUDE)
6220 AC_MSG_RESULT($ADA_INCLUDE)
6222 dnl ---------------------------------------------------------------------------
6223 dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
6224 dnl -------------------
6225 dnl Command-line option to specify where Ada objects will install.
6226 AC_DEFUN([CF_WITH_ADA_OBJECTS],[
6227 AC_MSG_CHECKING(for ada-objects)
6228 CF_WITH_PATH(ada-objects,
6229 [ --with-ada-objects=DIR Ada objects are in DIR],
6231 PREFIX/lib/ada/adalib,
6232 [$]prefix/lib/ada/adalib)
6233 AC_SUBST(ADA_OBJECTS)
6234 AC_MSG_RESULT($ADA_OBJECTS)
6236 dnl ---------------------------------------------------------------------------
6237 dnl CF_WITH_ADA_SHAREDLIB version: 2 updated: 2010/06/26 17:35:58
6238 dnl ---------------------
6239 dnl Command-line option to specify if an Ada95 shared-library should be built,
6240 dnl and optionally what its soname should be.
6241 AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
6242 AC_MSG_CHECKING(if an Ada95 shared-library should be built)
6243 AC_ARG_WITH(ada-sharedlib,
6244 [ --with-ada-sharedlib=XX build Ada95 shared-library],
6245 [with_ada_sharedlib=$withval],
6246 [with_ada_sharedlib=no])
6247 AC_MSG_RESULT($with_ada_sharedlib)
6249 ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
6250 MAKE_ADA_SHAREDLIB="#"
6252 if test "x$with_ada_sharedlib" != xno
6255 if test "x$with_ada_sharedlib" != xyes
6257 ADA_SHAREDLIB="$with_ada_sharedlib"
6261 AC_SUBST(ADA_SHAREDLIB)
6262 AC_SUBST(MAKE_ADA_SHAREDLIB)
6264 dnl ---------------------------------------------------------------------------
6265 dnl CF_WITH_DBMALLOC version: 7 updated: 2010/06/21 17:26:47
6266 dnl ----------------
6267 dnl Configure-option for dbmalloc. The optional parameter is used to override
6268 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6269 AC_DEFUN([CF_WITH_DBMALLOC],[
6270 CF_NO_LEAKS_OPTION(dbmalloc,
6271 [ --with-dbmalloc test: use Conor Cahill's dbmalloc library],
6274 if test "$with_dbmalloc" = yes ; then
6275 AC_CHECK_HEADER(dbmalloc.h,
6276 [AC_CHECK_LIB(dbmalloc,[debug_malloc]ifelse([$1],,[],[,$1]))])
6279 dnl ---------------------------------------------------------------------------
6280 dnl CF_WITH_DMALLOC version: 7 updated: 2010/06/21 17:26:47
6282 dnl Configure-option for dmalloc. The optional parameter is used to override
6283 dnl the updating of $LIBS, e.g., to avoid conflict with subsequent tests.
6284 AC_DEFUN([CF_WITH_DMALLOC],[
6285 CF_NO_LEAKS_OPTION(dmalloc,
6286 [ --with-dmalloc test: use Gray Watson's dmalloc library],
6289 if test "$with_dmalloc" = yes ; then
6290 AC_CHECK_HEADER(dmalloc.h,
6291 [AC_CHECK_LIB(dmalloc,[dmalloc_debug]ifelse([$1],,[],[,$1]))])
6294 dnl ---------------------------------------------------------------------------
6295 dnl CF_WITH_GPM version: 7 updated: 2008/03/23 14:48:54
6298 dnl The option parameter (if neither yes/no) is assumed to be the name of
6299 dnl the gpm library, e.g., for dynamic loading.
6300 AC_DEFUN([CF_WITH_GPM],
6302 AC_MSG_CHECKING(if you want to link with the GPM mouse library)
6304 [ --with-gpm use Alessandro Rubini's GPM library],
6305 [with_gpm=$withval],
6307 AC_MSG_RESULT($with_gpm)
6309 if test "$with_gpm" != no ; then
6310 AC_CHECK_HEADER(gpm.h,[
6311 AC_DEFINE(HAVE_GPM_H)
6312 if test "$with_gpm" != yes && test "$with_gpm" != maybe ; then
6313 CF_VERBOSE(assuming we really have GPM library)
6314 AC_DEFINE(HAVE_LIBGPM)
6316 AC_CHECK_LIB(gpm,Gpm_Open,[:],[
6317 AC_MSG_ERROR(Cannot link with GPM library)
6322 test "$with_gpm" != maybe && AC_MSG_WARN(Cannot find GPM header)
6327 dnl ---------------------------------------------------------------------------
6328 dnl CF_WITH_LIBTOOL version: 28 updated: 2011/07/02 15:40:32
6330 dnl Provide a configure option to incorporate libtool. Define several useful
6331 dnl symbols for the makefile rules.
6333 dnl The reference to AC_PROG_LIBTOOL does not normally work, since it uses
6334 dnl macros from libtool.m4 which is in the aclocal directory of automake.
6335 dnl Following is a simple script which turns on the AC_PROG_LIBTOOL macro.
6336 dnl But that still does not work properly since the macro is expanded outside
6337 dnl the CF_WITH_LIBTOOL macro:
6340 dnl ACLOCAL=`aclocal --print-ac-dir`
6341 dnl if test -z "$ACLOCAL" ; then
6342 dnl echo cannot find aclocal directory
6344 dnl elif test ! -f $ACLOCAL/libtool.m4 ; then
6345 dnl echo cannot find libtool.m4 file
6349 dnl LOCAL=aclocal.m4
6350 dnl ORIG=aclocal.m4.orig
6352 dnl trap "mv $ORIG $LOCAL" 0 1 2 5 15
6356 dnl # sed the LIBTOOL= assignment to omit the current directory?
6357 dnl sed -e 's/^LIBTOOL=.*/LIBTOOL=${LIBTOOL:-libtool}/' $ACLOCAL/libtool.m4 >>$LOCAL
6358 dnl cat $ORIG >>$LOCAL
6362 AC_DEFUN([CF_WITH_LIBTOOL],
6364 AC_REQUIRE([CF_DISABLE_LIBTOOL_VERSION])
6365 ifdef([AC_PROG_LIBTOOL],,[
6368 # common library maintenance symbols that are convenient for libtool scripts:
6369 LIB_CREATE='${AR} -cr'
6370 LIB_OBJECT='${OBJECTS}'
6374 # symbols used to prop libtool up to enable it to determine what it should be
6382 AC_MSG_CHECKING(if you want to build libraries with libtool)
6383 AC_ARG_WITH(libtool,
6384 [ --with-libtool generate libraries with libtool],
6385 [with_libtool=$withval],
6387 AC_MSG_RESULT($with_libtool)
6388 if test "$with_libtool" != "no"; then
6389 ifdef([AC_PROG_LIBTOOL],[
6390 # missing_content_AC_PROG_LIBTOOL{{
6392 # missing_content_AC_PROG_LIBTOOL}}
6394 if test "$with_libtool" != "yes" ; then
6395 CF_PATH_SYNTAX(with_libtool)
6396 LIBTOOL=$with_libtool
6398 AC_PATH_PROG(LIBTOOL,libtool)
6400 if test -z "$LIBTOOL" ; then
6401 AC_MSG_ERROR(Cannot find libtool)
6404 LIB_CREATE='${LIBTOOL} --mode=link ${CC} -rpath ${DESTDIR}${libdir} ${LIBTOOL_VERSION} `cut -f1 ${srcdir}/VERSION` ${LIBTOOL_OPTS} ${LT_UNDEF} $(LIBS) -o'
6405 LIB_OBJECT='${OBJECTS:.o=.lo}'
6407 LIB_CLEAN='${LIBTOOL} --mode=clean'
6408 LIB_COMPILE='${LIBTOOL} --mode=compile'
6409 LIB_LINK='${LIBTOOL} --mode=link ${CC} ${LIBTOOL_OPTS}'
6410 LIB_INSTALL='${LIBTOOL} --mode=install'
6411 LIB_UNINSTALL='${LIBTOOL} --mode=uninstall'
6414 # Show the version of libtool
6415 AC_MSG_CHECKING(version of libtool)
6417 # Save the version in a cache variable - this is not entirely a good
6418 # thing, but the version string from libtool is very ugly, and for
6419 # bug reports it might be useful to have the original string. "("
6420 cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
6421 AC_MSG_RESULT($cf_cv_libtool_version)
6422 if test -z "$cf_cv_libtool_version" ; then
6423 AC_MSG_ERROR(This is not GNU libtool)
6426 # special hack to add -no-undefined (which libtool should do for itself)
6428 case "$cf_cv_system_name" in #(vi
6429 cygwin*|mingw32*|uwin*|aix[[4-7]]) #(vi
6430 LT_UNDEF=-no-undefined
6433 AC_SUBST([LT_UNDEF])
6435 # special hack to add --tag option for C++ compiler
6436 case $cf_cv_libtool_version in #(vi
6437 1.[[5-9]]*|[[2-9]].[[0-9.a-z]]*) #(vi
6438 LIBTOOL_CXX="$LIBTOOL --tag=CXX"
6439 LIBTOOL="$LIBTOOL --tag=CC"
6442 LIBTOOL_CXX="$LIBTOOL"
6450 test -z "$LIBTOOL" && ECHO_LT=
6453 AC_SUBST(LIBTOOL_CXX)
6454 AC_SUBST(LIBTOOL_OPTS)
6456 AC_SUBST(LIB_CREATE)
6457 AC_SUBST(LIB_OBJECT)
6458 AC_SUBST(LIB_SUFFIX)
6462 AC_SUBST(LIB_COMPILE)
6464 AC_SUBST(LIB_INSTALL)
6465 AC_SUBST(LIB_UNINSTALL)
6468 dnl ---------------------------------------------------------------------------
6469 dnl CF_WITH_PATH version: 10 updated: 2010/10/23 15:44:18
6471 dnl Wrapper for AC_ARG_WITH to ensure that user supplies a pathname, not just
6472 dnl defaulting to yes/no.
6474 dnl $1 = option name
6476 dnl $3 = environment variable to set
6477 dnl $4 = default value, shown in the help-message, must be a constant
6478 dnl $5 = default value, if it's an expression & cannot be in the help-message
6480 AC_DEFUN([CF_WITH_PATH],
6481 [AC_ARG_WITH($1,[$2 ](default: ifelse([$4],,empty,[$4])),,
6482 ifelse([$4],,[withval="${$3}"],[withval="${$3:-ifelse([$5],,[$4],[$5])}"]))dnl
6483 if ifelse([$5],,true,[test -n "$5"]) ; then
6484 CF_PATH_SYNTAX(withval)
6489 dnl ---------------------------------------------------------------------------
6490 dnl CF_WITH_PATHLIST version: 7 updated: 2010/10/23 16:10:30
6491 dnl ----------------
6492 dnl Process an option specifying a list of colon-separated paths.
6494 dnl $1 = option name
6496 dnl $3 = environment variable to set
6497 dnl $4 = default value, shown in the help-message, must be a constant
6498 dnl $5 = default value, if it's an expression & cannot be in the help-message
6499 dnl $6 = flag to tell if we want to define or substitute
6501 AC_DEFUN([CF_WITH_PATHLIST],[
6502 AC_REQUIRE([CF_PATHSEP])
6503 AC_ARG_WITH($1,[$2 ](default: ifelse($4,,empty,$4)),,
6504 ifelse($4,,[withval=${$3}],[withval=${$3:-ifelse($5,,$4,$5)}]))dnl
6506 IFS="${IFS:- }"; ac_save_ifs="$IFS"; IFS="${PATH_SEPARATOR}"
6508 for cf_src_path in $withval
6510 CF_PATH_SYNTAX(cf_src_path)
6511 test -n "$cf_dst_path" && cf_dst_path="${cf_dst_path}:"
6512 cf_dst_path="${cf_dst_path}${cf_src_path}"
6517 # Strip single quotes from the value, e.g., when it was supplied as a literal
6519 case $cf_dst_path in #(vi
6521 cf_dst_path=`echo $cf_dst_path |sed -e s/\'// -e s/\'\$//`
6524 cf_dst_path=`echo "$cf_dst_path" | sed -e 's/\\\\/\\\\\\\\/g'`
6527 eval '$3="$cf_dst_path"'
6531 dnl ---------------------------------------------------------------------------
6532 dnl CF_WITH_PKG_CONFIG_LIBDIR version: 1 updated: 2011/09/10 16:20:21
6533 dnl -------------------------
6534 dnl Allow the choice of the pkg-config library directory to be overridden.
6535 AC_DEFUN([CF_WITH_PKG_CONFIG_LIBDIR],[
6536 if test "$PKG_CONFIG" != no ; then
6537 AC_MSG_CHECKING(for $PKG_CONFIG library directory)
6538 AC_ARG_WITH(pkg-config-libdir,
6539 [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
6540 [PKG_CONFIG_LIBDIR=$withval],
6541 [PKG_CONFIG_LIBDIR=yes])
6543 case x$PKG_CONFIG_LIBDIR in #(vi
6547 # look for the library directory using the same prefix as the executable
6548 cf_path=`echo "$PKG_CONFIG" | sed -e 's,/[[^/]]*/[[^/]]*$,,'`
6549 case x`(arch) 2>/dev/null` in #(vi
6551 for cf_config in $cf_path/share $cf_path/lib64 $cf_path/lib32 $cf_path/lib
6553 if test -d $cf_config/pkgconfig
6555 PKG_CONFIG_LIBDIR=$cf_config/pkgconfig
6561 PKG_CONFIG_LIBDIR=$cf_path/lib/pkgconfig
6569 AC_MSG_RESULT($PKG_CONFIG_LIBDIR)
6572 AC_SUBST(PKG_CONFIG_LIBDIR)
6574 dnl ---------------------------------------------------------------------------
6575 dnl CF_WITH_PTHREAD version: 3 updated: 2010/05/29 16:31:02
6577 dnl Check for POSIX thread library.
6578 AC_DEFUN([CF_WITH_PTHREAD],
6580 AC_MSG_CHECKING(if you want to link with the pthread library)
6581 AC_ARG_WITH(pthread,
6582 [ --with-pthread use POSIX thread library],
6583 [with_pthread=$withval],
6585 AC_MSG_RESULT($with_pthread)
6587 if test "$with_pthread" != no ; then
6588 AC_CHECK_HEADER(pthread.h,[
6589 AC_DEFINE(HAVE_PTHREADS_H)
6591 AC_MSG_CHECKING(if we can link with the pthread library)
6592 cf_save_LIBS="$LIBS"
6595 #include <pthread.h>
6597 int rc = pthread_create(0,0,0,0);
6598 ],[with_pthread=yes],[with_pthread=no])
6599 LIBS="$cf_save_LIBS"
6600 AC_MSG_RESULT($with_pthread)
6602 if test "$with_pthread" = yes ; then
6604 AC_DEFINE(HAVE_LIBPTHREADS)
6606 AC_MSG_ERROR(Cannot link with pthread library)
6611 dnl ---------------------------------------------------------------------------
6612 dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
6613 dnl -------------------
6614 dnl Allow library's release-version to be overridden. Generally this happens when a
6615 dnl packager has incremented the release-version past that used in the original package,
6616 dnl and wishes to keep doing this.
6618 dnl $1 is the package name, if any, to derive corresponding {package}_MAJOR
6619 dnl and {package}_MINOR symbols
6621 AC_DEFUN([CF_WITH_REL_VERSION],[
6622 test -z "$cf_cv_rel_version" && cf_cv_rel_version=0.0
6623 AC_ARG_WITH(rel-version,
6624 [ --with-rel-version=XXX override derived release version],
6625 [AC_MSG_WARN(overriding release version $cf_cv_rel_version to $withval)
6626 cf_cv_rel_version=$withval])
6628 CF_NUMBER_SYNTAX($cf_cv_rel_version,Release version)
6630 $1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
6631 $1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
6632 CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
6633 CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
6636 dnl ---------------------------------------------------------------------------
6637 dnl CF_WITH_SYSMOUSE version: 2 updated: 2003/03/22 19:13:43
6638 dnl ----------------
6639 dnl If we can compile with sysmouse, make it available unless it is not wanted.
6640 AC_DEFUN([CF_WITH_SYSMOUSE],[
6641 # not everyone has "test -c"
6642 if test -c /dev/sysmouse 2>/dev/null ; then
6643 AC_MSG_CHECKING(if you want to use sysmouse)
6644 AC_ARG_WITH(sysmouse,
6645 [ --with-sysmouse use sysmouse (FreeBSD console)],
6646 [cf_with_sysmouse=$withval],
6647 [cf_with_sysmouse=maybe])
6648 if test "$cf_with_sysmouse" != no ; then
6650 #include <osreldate.h>
6651 #if (__FreeBSD_version >= 400017)
6652 #include <sys/consio.h>
6653 #include <sys/fbio.h>
6655 #include <machine/console.h>
6658 struct mouse_info the_mouse;
6659 ioctl(0, CONS_MOUSECTL, &the_mouse);
6660 ],[cf_with_sysmouse=yes],[cf_with_sysmouse=no])
6662 AC_MSG_RESULT($cf_with_sysmouse)
6663 test "$cf_with_sysmouse" = yes && AC_DEFINE(USE_SYSMOUSE)
6666 dnl ---------------------------------------------------------------------------
6667 dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
6668 dnl ----------------
6669 AC_DEFUN([CF_WITH_VALGRIND],[
6670 CF_NO_LEAKS_OPTION(valgrind,
6671 [ --with-valgrind test: use valgrind],
6674 dnl ---------------------------------------------------------------------------
6675 dnl CF_XOPEN_SOURCE version: 37 updated: 2011/08/06 20:32:05
6677 dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
6678 dnl or adapt to the vendor's definitions to get equivalent functionality,
6679 dnl without losing the common non-POSIX features.
6682 dnl $1 is the nominal value for _XOPEN_SOURCE
6683 dnl $2 is the nominal value for _POSIX_C_SOURCE
6684 AC_DEFUN([CF_XOPEN_SOURCE],[
6686 cf_XOPEN_SOURCE=ifelse([$1],,500,[$1])
6687 cf_POSIX_C_SOURCE=ifelse([$2],,199506L,[$2])
6690 case $host_os in #(vi
6692 cf_xopen_source="-D_ALL_SOURCE"
6697 darwin[[0-8]].*) #(vi
6698 cf_xopen_source="-D_APPLE_C_SOURCE"
6701 cf_xopen_source="-D_DARWIN_C_SOURCE"
6703 freebsd*|dragonfly*) #(vi
6704 # 5.x headers associate
6705 # _XOPEN_SOURCE=600 with _POSIX_C_SOURCE=200112L
6706 # _XOPEN_SOURCE=500 with _POSIX_C_SOURCE=199506L
6707 cf_POSIX_C_SOURCE=200112L
6709 cf_xopen_source="-D_BSD_TYPES -D__BSD_VISIBLE -D_POSIX_C_SOURCE=$cf_POSIX_C_SOURCE -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6712 cf_xopen_source="-D_HPUX_SOURCE -D_XOPEN_SOURCE=500"
6715 cf_xopen_source="-D_HPUX_SOURCE"
6718 cf_xopen_source="-D_SGI_SOURCE"
6720 linux*|gnu*|mint*|k*bsd*-gnu) #(vi
6724 # setting _XOPEN_SOURCE or _POSIX_SOURCE breaks <arpa/inet.h>
6727 cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
6730 # setting _XOPEN_SOURCE breaks xterm on OpenBSD 2.8, is not needed for ncursesw
6733 cf_xopen_source="-D_OSF_SOURCE"
6736 cf_xopen_source="-D_QNX_SOURCE"
6739 # setting _XOPEN_SOURCE breaks Lynx on SCO Unix / OpenServer
6741 solaris2.1[[0-9]]) #(vi
6742 cf_xopen_source="-D__EXTENSIONS__ -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6744 solaris2.[[1-9]]) #(vi
6745 cf_xopen_source="-D__EXTENSIONS__"
6748 AC_CACHE_CHECK(if we should define _XOPEN_SOURCE,cf_cv_xopen_source,[
6749 AC_TRY_COMPILE([#include <sys/types.h>],[
6750 #ifndef _XOPEN_SOURCE
6753 [cf_cv_xopen_source=no],
6754 [cf_save="$CPPFLAGS"
6755 CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE=$cf_XOPEN_SOURCE"
6756 AC_TRY_COMPILE([#include <sys/types.h>],[
6757 #ifdef _XOPEN_SOURCE
6760 [cf_cv_xopen_source=no],
6761 [cf_cv_xopen_source=$cf_XOPEN_SOURCE])
6765 if test "$cf_cv_xopen_source" != no ; then
6766 CF_REMOVE_DEFINE(CFLAGS,$CFLAGS,_XOPEN_SOURCE)
6767 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,_XOPEN_SOURCE)
6768 cf_temp_xopen_source="-D_XOPEN_SOURCE=$cf_cv_xopen_source"
6769 CF_ADD_CFLAGS($cf_temp_xopen_source)
6771 CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
6775 if test -n "$cf_xopen_source" ; then
6776 CF_ADD_CFLAGS($cf_xopen_source)