1 dnl***************************************************************************
2 dnl Copyright 2018-2019,2020 Thomas E. Dickey *
3 dnl Copyright 1998-2017,2018 Free Software Foundation, Inc. *
5 dnl Permission is hereby granted, free of charge, to any person obtaining a *
6 dnl copy of this software and associated documentation files (the *
7 dnl "Software"), to deal in the Software without restriction, including *
8 dnl without limitation the rights to use, copy, modify, merge, publish, *
9 dnl distribute, distribute with modifications, sublicense, and/or sell *
10 dnl copies of the Software, and to permit persons to whom the Software is *
11 dnl furnished to do so, subject to the following conditions: *
13 dnl The above copyright notice and this permission notice shall be included *
14 dnl in all copies or substantial portions of the Software. *
16 dnl THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
17 dnl OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
18 dnl MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
19 dnl IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
20 dnl DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
21 dnl OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
22 dnl THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
24 dnl Except as contained in this notice, the name(s) of the above copyright *
25 dnl holders shall not be used in advertising or otherwise to promote the *
26 dnl sale, use or other dealings in this Software without prior written *
28 dnl***************************************************************************
30 dnl Author: Thomas E. Dickey 1995-on
32 dnl $Id: aclocal.m4,v 1.938 2020/10/31 19:51:56 tom Exp $
33 dnl Macros used in NCURSES auto-configuration script.
35 dnl These macros are maintained separately from NCURSES. The copyright on
36 dnl this file applies to the aggregation of macros and does not affect use of
37 dnl these macros in other applications.
39 dnl See these pages for additional information:
40 dnl https://invisible-island.net/autoconf/
41 dnl https://invisible-island.net/autoconf/my-autoconf.html
43 dnl ---------------------------------------------------------------------------
44 dnl ---------------------------------------------------------------------------
45 dnl AM_LANGINFO_CODESET version: 5 updated: 2020/03/10 18:53:47
46 dnl -------------------
47 dnl Inserted as requested by gettext 0.10.40
48 dnl File from /usr/share/aclocal
50 dnl ====================
53 dnl From Bruno Haible.
54 AC_DEFUN([AM_LANGINFO_CODESET],
56 AC_CACHE_CHECK([for nl_langinfo and CODESET], am_cv_langinfo_codeset,
57 [AC_TRY_LINK([#include <langinfo.h>],
58 [char* cs = nl_langinfo(CODESET); (void)cs],
59 am_cv_langinfo_codeset=yes,
60 am_cv_langinfo_codeset=no)
62 if test $am_cv_langinfo_codeset = yes; then
63 AC_DEFINE(HAVE_LANGINFO_CODESET, 1,
64 [Define if you have <langinfo.h> and nl_langinfo(CODESET).])
67 dnl ---------------------------------------------------------------------------
68 dnl CF_ABI_DEFAULTS version: 2 updated: 2015/06/06 13:49:58
70 dnl Provide configure-script defaults for different ncurses ABIs.
71 AC_DEFUN([CF_ABI_DEFAULTS],[
72 AC_REQUIRE([CF_NCURSES_WITH_ABI_VERSION])
73 case x$cf_cv_abi_version in
79 cf_dft_ext_spfuncs=yes
80 cf_dft_filter_syms=yes
81 cf_dft_chtype=uint32_t
82 cf_dft_mmask_t=uint32_t
84 cf_dft_tparm_arg=intptr_t
102 dnl ---------------------------------------------------------------------------
103 dnl CF_ACVERSION_CHECK version: 5 updated: 2014/06/04 19:11:49
104 dnl ------------------
105 dnl Conditionally generate script according to whether we're using a given autoconf.
107 dnl $1 = version to compare against
108 dnl $2 = code to use if AC_ACVERSION is at least as high as $1.
109 dnl $3 = code to use if AC_ACVERSION is older than $1.
110 define([CF_ACVERSION_CHECK],
112 ifdef([AC_ACVERSION], ,[ifdef([AC_AUTOCONF_VERSION],[m4_copy([AC_AUTOCONF_VERSION],[AC_ACVERSION])],[m4_copy([m4_PACKAGE_VERSION],[AC_ACVERSION])])])dnl
113 ifdef([m4_version_compare],
114 [m4_if(m4_version_compare(m4_defn([AC_ACVERSION]), [$1]), -1, [$3], [$2])],
115 [CF_ACVERSION_COMPARE(
116 AC_PREREQ_CANON(AC_PREREQ_SPLIT([$1])),
117 AC_PREREQ_CANON(AC_PREREQ_SPLIT(AC_ACVERSION)), AC_ACVERSION, [$2], [$3])])])dnl
118 dnl ---------------------------------------------------------------------------
119 dnl CF_ACVERSION_COMPARE version: 3 updated: 2012/10/03 18:39:53
120 dnl --------------------
121 dnl CF_ACVERSION_COMPARE(MAJOR1, MINOR1, TERNARY1,
122 dnl MAJOR2, MINOR2, TERNARY2,
123 dnl PRINTABLE2, not FOUND, FOUND)
124 define([CF_ACVERSION_COMPARE],
125 [ifelse(builtin([eval], [$2 < $5]), 1,
126 [ifelse([$8], , ,[$8])],
127 [ifelse([$9], , ,[$9])])])dnl
128 dnl ---------------------------------------------------------------------------
129 dnl CF_ADA_INCLUDE_DIRS version: 8 updated: 2013/10/14 04:24:07
130 dnl -------------------
131 dnl Construct the list of include-options for the C programs in the Ada95
133 AC_DEFUN([CF_ADA_INCLUDE_DIRS],
135 ACPPFLAGS="-I. -I../include -I../../include $ACPPFLAGS"
136 if test "$srcdir" != "."; then
137 ACPPFLAGS="-I\${srcdir}/../../include $ACPPFLAGS"
139 if test "$GCC" != yes; then
140 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
141 elif test "$includedir" != "/usr/include"; then
142 if test "$includedir" = '${prefix}/include' ; then
143 if test x$prefix != x/usr ; then
144 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
147 ACPPFLAGS="$ACPPFLAGS -I\${includedir}"
152 dnl ---------------------------------------------------------------------------
153 dnl CF_ADD_ADAFLAGS version: 1 updated: 2010/06/19 15:22:18
155 dnl Add to $ADAFLAGS, which is substituted into makefile and scripts.
156 AC_DEFUN([CF_ADD_ADAFLAGS],[
157 ADAFLAGS="$ADAFLAGS $1"
160 dnl ---------------------------------------------------------------------------
161 dnl CF_ADD_CFLAGS version: 14 updated: 2020/04/04 16:16:13
163 dnl Copy non-preprocessor flags to $CFLAGS, preprocessor flags to $CPPFLAGS
164 dnl $1 = flags to add
165 dnl $2 = if given makes this macro verbose.
167 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
168 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
169 dnl confused by the quotes (which require backslashes to keep them usable).
170 AC_DEFUN([CF_ADD_CFLAGS],
175 cf_new_extra_cppflags=
177 for cf_add_cflags in $1
179 case $cf_fix_cppflags in
181 case $cf_add_cflags in
182 (-undef|-nostdinc*|-I*|-D*|-U*|-E|-P|-C)
183 case $cf_add_cflags in
185 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^-D[[^=]]*='\''\"[[^"]]*//'`
187 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
188 && test -z "${cf_tst_cflags}" \
189 && cf_fix_cppflags=yes
191 if test $cf_fix_cppflags = yes ; then
192 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
194 elif test "${cf_tst_cflags}" = "\"'" ; then
195 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
204 case $cf_add_cflags in
206 cf_tst_cppflags=`echo "x$cf_add_cflags" | sed -e 's/^...//' -e 's/=.*//'`
207 CF_REMOVE_DEFINE(CPPFLAGS,$CPPFLAGS,$cf_tst_cppflags)
210 CF_APPEND_TEXT(cf_new_cppflags,$cf_add_cflags)
215 CF_APPEND_TEXT(cf_new_cflags,$cf_add_cflags)
220 CF_APPEND_TEXT(cf_new_extra_cppflags,$cf_add_cflags)
222 cf_tst_cflags=`echo ${cf_add_cflags} |sed -e 's/^[[^"]]*"'\''//'`
224 test "x${cf_add_cflags}" != "x${cf_tst_cflags}" \
225 && test -z "${cf_tst_cflags}" \
226 && cf_fix_cppflags=no
231 if test -n "$cf_new_cflags" ; then
232 ifelse([$2],,,[CF_VERBOSE(add to \$CFLAGS $cf_new_cflags)])
233 CF_APPEND_TEXT(CFLAGS,$cf_new_cflags)
236 if test -n "$cf_new_cppflags" ; then
237 ifelse([$2],,,[CF_VERBOSE(add to \$CPPFLAGS $cf_new_cppflags)])
238 CF_APPEND_TEXT(CPPFLAGS,$cf_new_cppflags)
241 if test -n "$cf_new_extra_cppflags" ; then
242 ifelse([$2],,,[CF_VERBOSE(add to \$EXTRA_CPPFLAGS $cf_new_extra_cppflags)])
243 CF_APPEND_TEXT(EXTRA_CPPFLAGS,$cf_new_extra_cppflags)
246 AC_SUBST(EXTRA_CPPFLAGS)
249 dnl ---------------------------------------------------------------------------
250 dnl CF_ADD_CXXFLAGS version: 1 updated: 2020/04/04 16:16:13
252 dnl Copy non-preprocessor flags to $CXXFLAGS, preprocessor flags to $CPPFLAGS
253 dnl The second parameter if given makes this macro verbose.
255 dnl Put any preprocessor definitions that use quoted strings in $EXTRA_CPPFLAGS,
256 dnl to simplify use of $CPPFLAGS in compiler checks, etc., that are easily
257 dnl confused by the quotes (which require backslashes to keep them usable).
258 AC_DEFUN([CF_ADD_CXXFLAGS],
260 cf_save_CXXFLAGS="$CFLAGS"
262 CF_ADD_CFLAGS($1 ifelse($2,,,[,$2]))
264 CFLAGS="$cf_save_CXXFLAGS"
266 dnl ---------------------------------------------------------------------------
267 dnl CF_ADD_INCDIR version: 15 updated: 2018/06/20 20:23:13
269 dnl Add an include-directory to $CPPFLAGS. Don't add /usr/include, since it's
270 dnl redundant. We don't normally need to add -I/usr/local/include for gcc,
271 dnl but old versions (and some misinstalled ones) need that. To make things
272 dnl worse, gcc 3.x may give error messages if -I/usr/local/include is added to
273 dnl the include-path).
274 AC_DEFUN([CF_ADD_INCDIR],
276 if test -n "$1" ; then
277 for cf_add_incdir in $1
279 while test $cf_add_incdir != /usr/include
281 if test -d $cf_add_incdir
284 if test -n "$CFLAGS$CPPFLAGS" ; then
285 # a loop is needed to ensure we can add subdirs of existing dirs
286 for cf_test_incdir in $CFLAGS $CPPFLAGS ; do
287 if test ".$cf_test_incdir" = ".-I$cf_add_incdir" ; then
288 cf_have_incdir=yes; break
293 if test "$cf_have_incdir" = no ; then
294 if test "$cf_add_incdir" = /usr/local/include ; then
297 cf_save_CPPFLAGS=$CPPFLAGS
298 CF_APPEND_TEXT(CPPFLAGS,-I$cf_add_incdir)
299 AC_TRY_COMPILE([#include <stdio.h>],
302 [cf_have_incdir=yes])
303 CPPFLAGS=$cf_save_CPPFLAGS
308 if test "$cf_have_incdir" = no ; then
309 CF_VERBOSE(adding $cf_add_incdir to include-path)
310 ifelse([$2],,CPPFLAGS,[$2])="$ifelse([$2],,CPPFLAGS,[$2]) -I$cf_add_incdir"
312 cf_top_incdir=`echo $cf_add_incdir | sed -e 's%/include/.*$%/include%'`
313 test "$cf_top_incdir" = "$cf_add_incdir" && break
314 cf_add_incdir="$cf_top_incdir"
325 dnl ---------------------------------------------------------------------------
326 dnl CF_ADD_LIB version: 2 updated: 2010/06/02 05:03:05
328 dnl Add a library, used to enforce consistency.
330 dnl $1 = library to add, without the "-l"
331 dnl $2 = variable to update (default $LIBS)
332 AC_DEFUN([CF_ADD_LIB],[CF_ADD_LIBS(-l$1,ifelse($2,,LIBS,[$2]))])dnl
333 dnl ---------------------------------------------------------------------------
334 dnl CF_ADD_LIBDIR version: 10 updated: 2015/04/18 08:56:57
336 dnl Adds to the library-path
338 dnl Some machines have trouble with multiple -L options.
340 dnl $1 is the (list of) directory(s) to add
341 dnl $2 is the optional name of the variable to update (default LDFLAGS)
343 AC_DEFUN([CF_ADD_LIBDIR],
345 if test -n "$1" ; then
346 for cf_add_libdir in $1
348 if test $cf_add_libdir = /usr/lib ; then
350 elif test -d $cf_add_libdir
353 if test -n "$LDFLAGS$LIBS" ; then
354 # a loop is needed to ensure we can add subdirs of existing dirs
355 for cf_test_libdir in $LDFLAGS $LIBS ; do
356 if test ".$cf_test_libdir" = ".-L$cf_add_libdir" ; then
357 cf_have_libdir=yes; break
361 if test "$cf_have_libdir" = no ; then
362 CF_VERBOSE(adding $cf_add_libdir to library-path)
363 ifelse([$2],,LDFLAGS,[$2])="-L$cf_add_libdir $ifelse([$2],,LDFLAGS,[$2])"
369 dnl ---------------------------------------------------------------------------
370 dnl CF_ADD_LIBS version: 3 updated: 2019/11/02 16:47:33
372 dnl Add one or more libraries, used to enforce consistency. Libraries are
373 dnl prepended to an existing list, since their dependencies are assumed to
374 dnl already exist in the list.
376 dnl $1 = libraries to add, with the "-l", etc.
377 dnl $2 = variable to update (default $LIBS)
378 AC_DEFUN([CF_ADD_LIBS],[
379 cf_add_libs="[$]ifelse($2,,LIBS,[$2])"
382 for cf_add_1lib in $1; do cf_add_0lib="$cf_add_1lib $cf_add_0lib"; done
384 for cf_add_1lib in $cf_add_0lib; do
385 for cf_add_2lib in $cf_add_libs; do
386 if test "x$cf_add_1lib" = "x$cf_add_2lib"; then
391 test -n "$cf_add_1lib" && cf_add_libs="$cf_add_1lib $cf_add_libs"
393 ifelse($2,,LIBS,[$2])="$cf_add_libs"
395 dnl ---------------------------------------------------------------------------
396 dnl CF_ADD_SUBDIR_PATH version: 4 updated: 2013/10/08 17:47:05
397 dnl ------------------
398 dnl Append to a search-list for a nonstandard header/lib-file
399 dnl $1 = the variable to return as result
400 dnl $2 = the package name
401 dnl $3 = the subdirectory, e.g., bin, include or lib
402 dnl $4 = the directory under which we will test for subdirectories
403 dnl $5 = a directory that we do not want $4 to match
404 AC_DEFUN([CF_ADD_SUBDIR_PATH],
406 test "x$4" != "x$5" && \
408 ifelse([$5],NONE,,[(test -z "$5" || test x$5 = xNONE || test "x$4" != "x$5") &&]) {
409 test -n "$verbose" && echo " ... testing for $3-directories under $4"
410 test -d $4/$3 && $1="[$]$1 $4/$3"
411 test -d $4/$3/$2 && $1="[$]$1 $4/$3/$2"
412 test -d $4/$3/$2/$3 && $1="[$]$1 $4/$3/$2/$3"
413 test -d $4/$2/$3 && $1="[$]$1 $4/$2/$3"
414 test -d $4/$2/$3/$2 && $1="[$]$1 $4/$2/$3/$2"
417 dnl ---------------------------------------------------------------------------
418 dnl CF_APPEND_TEXT version: 1 updated: 2017/02/25 18:58:55
420 dnl use this macro for appending text without introducing an extra blank at
422 define([CF_APPEND_TEXT],
424 test -n "[$]$1" && $1="[$]$1 "
427 dnl ---------------------------------------------------------------------------
428 dnl CF_ARG_DISABLE version: 3 updated: 1999/03/30 17:24:31
430 dnl Allow user to disable a normally-on option.
431 AC_DEFUN([CF_ARG_DISABLE],
432 [CF_ARG_OPTION($1,[$2],[$3],[$4],yes)])dnl
433 dnl ---------------------------------------------------------------------------
434 dnl CF_ARG_ENABLE version: 3 updated: 1999/03/30 17:24:31
436 dnl Allow user to enable a normally-off option.
437 AC_DEFUN([CF_ARG_ENABLE],
438 [CF_ARG_OPTION($1,[$2],[$3],[$4],no)])dnl
439 dnl ---------------------------------------------------------------------------
440 dnl CF_ARG_OPTION version: 5 updated: 2015/05/10 19:52:14
442 dnl Restricted form of AC_ARG_ENABLE that ensures user doesn't give bogus
448 dnl $3 = action to perform if option is not default
449 dnl $4 = action if perform if option is default
450 dnl $5 = default option value (either 'yes' or 'no')
451 AC_DEFUN([CF_ARG_OPTION],
452 [AC_ARG_ENABLE([$1],[$2],[test "$enableval" != ifelse([$5],no,yes,no) && enableval=ifelse([$5],no,no,yes)
453 if test "$enableval" != "$5" ; then
455 ,[ $3]) ifelse([$4],,,[
458 fi],[enableval=$5 ifelse([$4],,,[
462 dnl ---------------------------------------------------------------------------
463 dnl CF_AR_FLAGS version: 7 updated: 2020/04/04 11:37:29
465 dnl Check for suitable "ar" (archiver) options for updating an archive.
467 dnl In particular, handle some obsolete cases where the "-" might be omitted,
468 dnl as well as a workaround for breakage of make's archive rules by the GNU
469 dnl binutils "ar" program.
470 AC_DEFUN([CF_AR_FLAGS],[
471 AC_REQUIRE([CF_PROG_AR])
473 AC_CACHE_CHECK(for options to update archives, cf_cv_ar_flags,[
474 case $cf_cv_system_name in
477 cat >mk_static_lib.sh <<-EOF
482 exec \[$]MSVC_BIN -out:"\[$]out" \[$]@
484 chmod +x mk_static_lib.sh
485 AR=`pwd`/mk_static_lib.sh
488 cf_cv_ar_flags=unknown
489 for cf_ar_flags in -curvU -curv curv -crv crv -cqv cqv -rv rv
492 # check if $ARFLAGS already contains this choice
493 if test "x$ARFLAGS" != "x" ; then
494 cf_check_ar_flags=`echo "x$ARFLAGS" | sed -e "s/$cf_ar_flags\$//" -e "s/$cf_ar_flags / /"`
495 if test "x$ARFLAGS" != "$cf_check_ar_flags" ; then
501 rm -f conftest.$ac_cv_objext
504 cat >conftest.$ac_ext <<EOF
505 #line __oline__ "configure"
506 int testdata[[3]] = { 123, 456, 789 };
508 if AC_TRY_EVAL(ac_compile) ; then
509 echo "$AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext" >&AC_FD_CC
510 $AR $ARFLAGS $cf_ar_flags conftest.a conftest.$ac_cv_objext 2>&AC_FD_CC 1>/dev/null
511 if test -f conftest.a ; then
512 cf_cv_ar_flags=$cf_ar_flags
516 CF_VERBOSE(cannot compile test-program)
520 rm -f conftest.a conftest.$ac_ext conftest.$ac_cv_objext
525 if test -n "$ARFLAGS" ; then
526 if test -n "$cf_cv_ar_flags" ; then
527 ARFLAGS="$ARFLAGS $cf_cv_ar_flags"
530 ARFLAGS=$cf_cv_ar_flags
535 dnl ---------------------------------------------------------------------------
536 dnl CF_AWK_BIG_PRINTF version: 5 updated: 2015/04/17 21:13:04
537 dnl -----------------
538 dnl Check if awk can handle big strings using printf. Some older versions of
539 dnl awk choke on large strings passed via "%s".
541 dnl $1 = desired string size
542 dnl $2 = variable to set with result
543 AC_DEFUN([CF_AWK_BIG_PRINTF],
550 if ( ${AWK} 'BEGIN { xx = "x"; while (length(xx) < $1) { xx = xx "x"; }; printf("%s\n", xx); }' 2>/dev/null \
551 | $AWK '{ printf "%d\n", length([$]0); }' 2>/dev/null | $AWK 'BEGIN { eqls=0; recs=0; } { recs++; if ([$]0 == 12000) eqls++; } END { if (recs != 1 || eqls != 1) exit 1; }' 2>/dev/null >/dev/null ) ; then
559 dnl ---------------------------------------------------------------------------
560 dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
562 dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
563 dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
564 dnl 2.6.3 does, in anticipation of the ANSI C++ standard.
566 dnl Treat the configuration-variable specially here, since we're directly
567 dnl substituting its value (i.e., 1/0).
569 dnl $1 is the shell variable to store the result in, if not $cv_cv_builtin_bool
570 AC_DEFUN([CF_BOOL_DECL],
572 AC_MSG_CHECKING(if we should include stdbool.h)
574 AC_CACHE_VAL(cf_cv_header_stdbool_h,[
575 AC_TRY_COMPILE([],[bool foo = false],
576 [cf_cv_header_stdbool_h=0],
581 ],[bool foo = false],
582 [cf_cv_header_stdbool_h=1],
583 [cf_cv_header_stdbool_h=0])])])
585 if test "$cf_cv_header_stdbool_h" = 1
586 then AC_MSG_RESULT(yes)
587 else AC_MSG_RESULT(no)
590 AC_MSG_CHECKING([for builtin bool type])
592 AC_CACHE_VAL(ifelse($1,,cf_cv_builtin_bool,[$1]),[
595 #include <sys/types.h>
597 [ifelse($1,,cf_cv_builtin_bool,[$1])=1],
598 [ifelse($1,,cf_cv_builtin_bool,[$1])=0])
601 if test "$ifelse($1,,cf_cv_builtin_bool,[$1])" = 1
602 then AC_MSG_RESULT(yes)
603 else AC_MSG_RESULT(no)
606 dnl ---------------------------------------------------------------------------
607 dnl CF_BOOL_SIZE version: 17 updated: 2020/10/24 19:48:55
609 dnl Test for the size of 'bool' in the configured C++ compiler (e.g., a type).
610 dnl Don't bother looking for bool.h, since it's been deprecated.
612 dnl If the current compiler is C rather than C++, we get the bool definition
613 dnl from <stdbool.h>.
614 AC_DEFUN([CF_BOOL_SIZE],
616 AC_CHECK_SIZEOF(bool,,[
620 #if defined(__cplusplus)
622 #ifdef HAVE_GXX_BUILTIN_H
623 #include <g++/builtin.h>
624 #elif HAVE_GPP_BUILTIN_H
625 #include <gpp/builtin.h>
632 #if $cf_cv_header_stdbool_h
639 AC_CACHE_CHECK(for type of bool, cf_cv_type_of_bool,[
645 #if defined(__cplusplus)
647 #ifdef HAVE_GXX_BUILTIN_H
648 #include <g++/builtin.h>
649 #elif HAVE_GPP_BUILTIN_H
650 #include <gpp/builtin.h>
657 #if $cf_cv_header_stdbool_h
665 FILE *fp = fopen("cf_test.out", "w");
669 fputs("unsigned ", fp);
670 if (sizeof(x) == sizeof(int)) fputs("int", fp);
671 else if (sizeof(x) == sizeof(char)) fputs("char", fp);
672 else if (sizeof(x) == sizeof(short))fputs("short",fp);
673 else if (sizeof(x) == sizeof(long)) fputs("long", fp);
676 ${cf_cv_main_return:-return}(0);
679 [cf_cv_type_of_bool=`cat cf_test.out`
680 if test -z "$cf_cv_type_of_bool"; then
681 cf_cv_type_of_bool=unknown
683 [cf_cv_type_of_bool=unknown],
685 case x$ac_cv_sizeof_bool in
686 (x1) cf_cv_type_of_bool="unsigned char";;
687 (x2) cf_cv_type_of_bool="unsigned short";;
688 (x4) cf_cv_type_of_bool="unsigned int";;
689 (x8) cf_cv_type_of_bool="unsigned long";;
690 (*) cf_cv_type_of_bool=unknown;;
696 if test "$cf_cv_type_of_bool" = unknown ; then
697 case .$NCURSES_BOOL in
698 (.auto|.) NCURSES_BOOL=unsigned;;
700 AC_MSG_WARN(Assuming $NCURSES_BOOL for type of bool)
701 cf_cv_type_of_bool=$NCURSES_BOOL
704 dnl ---------------------------------------------------------------------------
705 dnl CF_BUILD_CC version: 8 updated: 2018/01/04 20:31:04
707 dnl If we're cross-compiling, allow the user to override the tools and their
708 dnl options. The configure script is oriented toward identifying the host
709 dnl compiler, etc., but we need a build compiler to generate parts of the
712 dnl $1 = default for $CPPFLAGS
713 dnl $2 = default for $LIBS
714 AC_DEFUN([CF_BUILD_CC],[
715 CF_ACVERSION_CHECK(2.52,,
716 [AC_REQUIRE([CF_PROG_EXT])])
717 if test "$cross_compiling" = yes ; then
719 # defaults that we might want to override
720 : ${BUILD_CFLAGS:=''}
721 : ${BUILD_CPPFLAGS:='ifelse([$1],,,[$1])'}
722 : ${BUILD_LDFLAGS:=''}
723 : ${BUILD_LIBS:='ifelse([$2],,,[$2])'}
724 : ${BUILD_EXEEXT:='$x'}
725 : ${BUILD_OBJEXT:='o'}
727 AC_ARG_WITH(build-cc,
728 [ --with-build-cc=XXX the build C compiler ($BUILD_CC)],
729 [BUILD_CC="$withval"],
730 [AC_CHECK_PROGS(BUILD_CC, [gcc clang c99 c89 cc cl],none)])
731 AC_MSG_CHECKING(for native build C compiler)
732 AC_MSG_RESULT($BUILD_CC)
734 AC_MSG_CHECKING(for native build C preprocessor)
735 AC_ARG_WITH(build-cpp,
736 [ --with-build-cpp=XXX the build C preprocessor ($BUILD_CPP)],
737 [BUILD_CPP="$withval"],
738 [BUILD_CPP='${BUILD_CC} -E'])
739 AC_MSG_RESULT($BUILD_CPP)
741 AC_MSG_CHECKING(for native build C flags)
742 AC_ARG_WITH(build-cflags,
743 [ --with-build-cflags=XXX the build C compiler-flags ($BUILD_CFLAGS)],
744 [BUILD_CFLAGS="$withval"])
745 AC_MSG_RESULT($BUILD_CFLAGS)
747 AC_MSG_CHECKING(for native build C preprocessor-flags)
748 AC_ARG_WITH(build-cppflags,
749 [ --with-build-cppflags=XXX the build C preprocessor-flags ($BUILD_CPPFLAGS)],
750 [BUILD_CPPFLAGS="$withval"])
751 AC_MSG_RESULT($BUILD_CPPFLAGS)
753 AC_MSG_CHECKING(for native build linker-flags)
754 AC_ARG_WITH(build-ldflags,
755 [ --with-build-ldflags=XXX the build linker-flags ($BUILD_LDFLAGS)],
756 [BUILD_LDFLAGS="$withval"])
757 AC_MSG_RESULT($BUILD_LDFLAGS)
759 AC_MSG_CHECKING(for native build linker-libraries)
760 AC_ARG_WITH(build-libs,
761 [ --with-build-libs=XXX the build libraries (${BUILD_LIBS})],
762 [BUILD_LIBS="$withval"])
763 AC_MSG_RESULT($BUILD_LIBS)
765 # this assumes we're on Unix.
769 : ${BUILD_CC:='${CC}'}
771 if ( test "$BUILD_CC" = "$CC" || test "$BUILD_CC" = '${CC}' ) ; then
772 AC_MSG_ERROR([Cross-build requires two compilers.
773 Use --with-build-cc to specify the native compiler.])
777 : ${BUILD_CC:='${CC}'}
778 : ${BUILD_CPP:='${CPP}'}
779 : ${BUILD_CFLAGS:='${CFLAGS}'}
780 : ${BUILD_CPPFLAGS:='${CPPFLAGS}'}
781 : ${BUILD_LDFLAGS:='${LDFLAGS}'}
782 : ${BUILD_LIBS:='${LIBS}'}
783 : ${BUILD_EXEEXT:='$x'}
784 : ${BUILD_OBJEXT:='o'}
789 AC_SUBST(BUILD_CFLAGS)
790 AC_SUBST(BUILD_CPPFLAGS)
791 AC_SUBST(BUILD_LDFLAGS)
793 AC_SUBST(BUILD_EXEEXT)
794 AC_SUBST(BUILD_OBJEXT)
796 dnl ---------------------------------------------------------------------------
797 dnl CF_CC_ENV_FLAGS version: 9 updated: 2018/07/29 18:03:26
799 dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
800 dnl into CC. This will not help with broken scripts that wrap the compiler
801 dnl with options, but eliminates a more common category of user confusion.
803 dnl In particular, it addresses the problem of being able to run the C
804 dnl preprocessor in a consistent manner.
806 dnl Caveat: this also disallows blanks in the pathname for the compiler, but
807 dnl the nuisance of having inconsistent settings for compiler and preprocessor
808 dnl outweighs that limitation.
809 AC_DEFUN([CF_CC_ENV_FLAGS],
811 # This should have been defined by AC_PROG_CC
814 AC_MSG_CHECKING(\$CFLAGS variable)
817 AC_MSG_RESULT(broken)
818 AC_MSG_WARN(your environment uses the CFLAGS variable to hold CPPFLAGS options)
821 for cf_arg in $cf_flags
823 CF_ADD_CFLAGS($cf_arg)
831 AC_MSG_CHECKING(\$CC variable)
834 AC_MSG_RESULT(broken)
835 AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
837 cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
838 cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
840 for cf_arg in $cf_flags
844 CF_ADD_CFLAGS($cf_arg)
851 CF_VERBOSE(resulting CC: '$CC')
852 CF_VERBOSE(resulting CFLAGS: '$CFLAGS')
853 CF_VERBOSE(resulting CPPFLAGS: '$CPPFLAGS')
860 dnl ---------------------------------------------------------------------------
861 dnl CF_CFG_DEFAULTS version: 11 updated: 2015/04/17 21:13:04
863 dnl Determine the default configuration into which we'll install ncurses. This
864 dnl can be overridden by the user's command-line options. There's two items to
866 dnl 1. the prefix (e.g., /usr)
867 dnl 2. the header files (e.g., /usr/include/ncurses)
868 dnl We'll look for a previous installation of ncurses and use the same defaults.
870 dnl We don't use AC_PREFIX_DEFAULT, because it gets evaluated too soon, and
871 dnl we don't use AC_PREFIX_PROGRAM, because we cannot distinguish ncurses's
872 dnl programs from a vendor's.
873 AC_DEFUN([CF_CFG_DEFAULTS],
875 AC_MSG_CHECKING(for prefix)
876 if test "x$prefix" = "xNONE" ; then
877 case "$cf_cv_system_name" in
878 # non-vendor systems don't have a conflict
879 (openbsd*|freebsd*|mirbsd*|linux*|cygwin*|msys*|k*bsd*-gnu|mingw*)
882 (*) prefix=$ac_default_prefix
886 AC_MSG_RESULT($prefix)
888 if test "x$prefix" = "xNONE" ; then
889 AC_MSG_CHECKING(for default include-directory)
890 test -n "$verbose" && echo 1>&AC_FD_MSG
893 $includedir/ncurses \
895 $prefix/include/ncurses \
897 /usr/local/include/ncurses \
901 cf_dir=`eval echo $cf_symbol`
902 if test -f $cf_dir/curses.h ; then
903 if ( fgrep NCURSES_VERSION $cf_dir/curses.h 2>&1 >/dev/null ) ; then
904 includedir="$cf_symbol"
905 test -n "$verbose" && echo $ac_n " found " 1>&AC_FD_MSG
909 test -n "$verbose" && echo " tested $cf_dir" 1>&AC_FD_MSG
911 AC_MSG_RESULT($includedir)
914 dnl ---------------------------------------------------------------------------
915 dnl CF_CGETENT version: 6 updated: 2017/01/21 11:06:25
917 dnl Check if the terminal-capability database functions are available. If not,
918 dnl ncurses has a much-reduced version.
919 AC_DEFUN([CF_CGETENT],[
920 AC_CACHE_CHECK(for terminal-capability database functions,cf_cv_cgetent,[
922 #include <stdlib.h>],[
925 char *db_array = temp;
926 cgetent(&buf, &db_array, "vt100");
927 cgetcap(buf, "tc", '=');
928 cgetmatch(buf, "tc");
934 if test "$cf_cv_cgetent" = yes
936 AC_DEFINE(HAVE_BSD_CGETENT,1,[Define to 1 if we have BSD cgetent])
937 AC_CACHE_CHECK(if cgetent uses const parameter,cf_cv_cgetent_const,[
939 #pragma GCC diagnostic error "-Wincompatible-pointer-types-discards-qualifiers"
940 #include <stdlib.h>],[
943 #ifndef _NETBSD_SOURCE /* given, since April 2004 in stdlib.h */
944 const char *db_array = temp;
945 cgetent(&buf, &db_array, "vt100");
947 cgetcap(buf, "tc", '=');
948 cgetmatch(buf, "tc");
950 [cf_cv_cgetent_const=yes],
951 [cf_cv_cgetent_const=no])
953 if test "$cf_cv_cgetent_const" = yes
955 AC_DEFINE_UNQUOTED(CGETENT_CONST,const,[Define to const if needed for some BSD cgetent variations])
959 dnl ---------------------------------------------------------------------------
960 dnl CF_CHECK_CACHE version: 12 updated: 2012/10/02 20:55:03
962 dnl Check if we're accidentally using a cache from a different machine.
963 dnl Derive the system name, as a check for reusing the autoconf cache.
965 dnl If we've packaged config.guess and config.sub, run that (since it does a
966 dnl better job than uname). Normally we'll use AC_CANONICAL_HOST, but allow
967 dnl an extra parameter that we may override, e.g., for AC_CANONICAL_SYSTEM
968 dnl which is useful in cross-compiles.
970 dnl Note: we would use $ac_config_sub, but that is one of the places where
971 dnl autoconf 2.5x broke compatibility with autoconf 2.13
972 AC_DEFUN([CF_CHECK_CACHE],
974 if test -f $srcdir/config.guess || test -f $ac_aux_dir/config.guess ; then
975 ifelse([$1],,[AC_CANONICAL_HOST],[$1])
976 system_name="$host_os"
978 system_name="`(uname -s -r) 2>/dev/null`"
979 if test -z "$system_name" ; then
980 system_name="`(hostname) 2>/dev/null`"
983 test -n "$system_name" && AC_DEFINE_UNQUOTED(SYSTEM_NAME,"$system_name",[Define to the system name.])
984 AC_CACHE_VAL(cf_cv_system_name,[cf_cv_system_name="$system_name"])
986 test -z "$system_name" && system_name="$cf_cv_system_name"
987 test -n "$cf_cv_system_name" && AC_MSG_RESULT(Configuring for $cf_cv_system_name)
989 if test ".$system_name" != ".$cf_cv_system_name" ; then
990 AC_MSG_RESULT(Cached system name ($system_name) does not agree with actual ($cf_cv_system_name))
991 AC_MSG_ERROR("Please remove config.cache and try again.")
994 dnl ---------------------------------------------------------------------------
995 dnl CF_CHECK_ENVIRON version: 3 updated: 2010/05/26 16:44:57
997 dnl Check for data that is usually declared in <unistd.h>, e.g., the 'environ'
998 dnl variable. Define a DECL_xxx symbol if we must declare it ourselves.
1000 dnl $1 = the name to check
1001 dnl $2 = the assumed type
1002 AC_DEFUN([CF_CHECK_ENVIRON],
1004 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
1006 #ifdef HAVE_STDLIB_H
1009 #include <unistd.h> ],
1010 ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1,
1015 if test "$cf_cv_dcl_$1" = no ; then
1016 CF_UPPER(cf_result,decl_$1)
1017 AC_DEFINE_UNQUOTED($cf_result)
1020 # It's possible (for near-UNIX clones) that the data doesn't exist
1021 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
1023 dnl ---------------------------------------------------------------------------
1024 dnl CF_CHECK_ERRNO version: 13 updated: 2020/03/10 18:53:47
1026 dnl Check for data that is usually declared in <stdio.h> or <errno.h>, e.g.,
1027 dnl the 'errno' variable. Define a DECL_xxx symbol if we must declare it
1030 dnl $1 = the name to check
1031 dnl $2 = the assumed type
1032 AC_DEFUN([CF_CHECK_ERRNO],
1034 AC_CACHE_CHECK(if external $1 is declared, cf_cv_dcl_$1,[
1036 #ifdef HAVE_STDLIB_H
1040 #include <sys/types.h>
1041 #include <errno.h> ],
1042 ifelse([$2],,int,[$2]) x = (ifelse([$2],,int,[$2])) $1; (void)x,
1047 if test "$cf_cv_dcl_$1" = no ; then
1048 CF_UPPER(cf_result,decl_$1)
1049 AC_DEFINE_UNQUOTED($cf_result)
1052 # It's possible (for near-UNIX clones) that the data doesn't exist
1053 CF_CHECK_EXTERN_DATA($1,ifelse([$2],,int,[$2]))
1055 dnl ---------------------------------------------------------------------------
1056 dnl CF_CHECK_EXTERN_DATA version: 4 updated: 2015/04/18 08:56:57
1057 dnl --------------------
1058 dnl Check for existence of external data in the current set of libraries. If
1059 dnl we can modify it, it's real enough.
1060 dnl $1 = the name to check
1062 AC_DEFUN([CF_CHECK_EXTERN_DATA],
1064 AC_CACHE_CHECK(if external $1 exists, cf_cv_have_$1,[
1070 [cf_cv_have_$1=yes],
1074 if test "$cf_cv_have_$1" = yes ; then
1075 CF_UPPER(cf_result,have_$1)
1076 AC_DEFINE_UNQUOTED($cf_result)
1080 dnl ---------------------------------------------------------------------------
1081 dnl CF_CHECK_FVISIBILITY version: 2 updated: 2020/04/04 16:16:13
1082 dnl --------------------
1083 dnl Check whether the compiler understands -fvisibility=hidden
1086 dnl $2 = compiler-flags variable name
1087 dnl $3 = cache variable to set
1088 AC_DEFUN([CF_CHECK_FVISIBILITY],[
1089 AC_CACHE_CHECK(if $1 -fvisibility=hidden option works,$3,[
1090 cf_save_cflags="[$]$2"
1091 $2="[$]$2 -fvisibility=hidden"
1093 __attribute__ ((visibility("default"))) int somefunc() {return 42;}
1095 if (somefunc()) return 1;
1102 dnl ---------------------------------------------------------------------------
1103 dnl CF_CHECK_GETENV version: 1 updated: 2019/06/23 15:28:15
1105 dnl Check if repeated getenv calls return the same pointer, e.g., it does not
1106 dnl discard the previous pointer when returning a new one.
1107 AC_DEFUN([CF_CHECK_GETENV],
1109 AC_REQUIRE([CF_CHECK_ENVIRON])
1110 AC_CHECK_FUNC( getenv, ,, AC_MSG_ERROR(getenv not found) )
1111 AC_CHECK_FUNCS( putenv setenv strdup )
1112 AC_CACHE_CHECK(if getenv returns consistent values,cf_cv_consistent_getenv,[
1118 #include <sys/types.h>
1120 #if defined(HAVE_ENVIRON) && defined(DECL_ENVIRON) && !defined(environ)
1121 extern char **environ; /* POSIX, but some systems are not... */
1124 #if defined(HAVE_STRDUP)
1125 #define str_alloc(s) strdup(s)
1127 #define str_alloc(s) strcpy(malloc(strlen(s) + 1, s))
1130 static void set_value(const char *name, const char *value)
1132 #if defined(HAVE_SETENV)
1133 setenv(name, value, 1);
1134 #elif defined(HAVE_PUTENV)
1136 sprintf(buffer, "%s=%s", name, value);
1137 putenv(str_alloc(buffer));
1139 #error neither putenv/setenv found
1145 size_t numenv, limit, j;
1150 for (numenv = 0; environ[numenv]; ++numenv) ;
1151 limit = numenv + 10;
1152 mynames = (char **) calloc(limit + 1, sizeof(char *));
1153 myvalues = (char **) calloc(limit + 1, sizeof(char *));
1154 mypointer = (char **) calloc(limit + 1, sizeof(char *));
1155 #if defined(HAVE_ENVIRON)
1156 for (j = 0; environ[j]; ++j) {
1157 mynames[j] = str_alloc(environ[j]);
1158 equals = strchr(mynames[j], '=');
1161 myvalues[j] = str_alloc(equals);
1163 myvalues[j] = str_alloc("");
1167 for (j = numenv; j < limit; ++j) {
1175 sprintf(name, "TERM%lu", (unsigned long) k);
1176 for (jk = 0; jk < j; ++jk) {
1177 if (!strcmp(name, mynames[jk])) {
1184 sprintf(value, "%lu:%p", (unsigned long) k, &mynames[j]);
1185 set_value(name, value);
1186 mynames[j] = str_alloc(name);
1187 myvalues[j] = str_alloc(value);
1189 for (pass = 0; pass < 3; ++pass) {
1190 for (j = 0; j < limit; ++j) {
1191 char *value = getenv(mynames[j]);
1194 fprintf(stderr, "getenv returned null for %s\n", mynames[j]);
1195 ${cf_cv_main_return:-return}(1);
1196 } else if (value != mypointer[j]) {
1197 fprintf(stderr, "getenv returned different pointer for %s\n", mynames[j]);
1198 ${cf_cv_main_return:-return}(1);
1199 } else if (strcmp(value, myvalues[j])) {
1200 fprintf(stderr, "getenv returned different value for %s\n", mynames[j]);
1201 ${cf_cv_main_return:-return}(1);
1205 mypointer[j] = value;
1206 for (k = 0; k < j; ++k) {
1207 if (mypointer[j] == mypointer[k]) {
1208 fprintf(stderr, "getenv returned same pointer for %s and %s\n", mynames[j], mynames[k]);
1209 ${cf_cv_main_return:-return}(1);
1215 ${cf_cv_main_return:-return}(0);
1218 [cf_cv_consistent_getenv=yes],
1219 [cf_cv_consistent_getenv=no],
1220 [cf_cv_consistent_getenv=unknown])
1223 if test "x$cf_cv_consistent_getenv" = xno
1225 AC_DEFINE(HAVE_CONSISTENT_GETENV,1,[Define to 1 if getenv repeatably returns the same value for a given name])
1228 dnl ---------------------------------------------------------------------------
1229 dnl CF_CHECK_GNAT_VERSION version: 3 updated: 2020/05/23 19:39:36
1230 dnl ---------------------
1231 AC_DEFUN([CF_CHECK_GNAT_VERSION],
1233 AC_REQUIRE([CF_GNAT_VERSION])
1234 case $cf_cv_gnat_version in
1235 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
1236 cf_cv_prog_gnat_correct=yes
1239 AC_MSG_WARN(Unsupported GNAT version $cf_cv_gnat_version. We require 3.11 or better. Disabling Ada95 binding.)
1240 cf_cv_prog_gnat_correct=no
1244 dnl ---------------------------------------------------------------------------
1245 dnl CF_CHECK_GPM_WGETCH version: 3 updated: 2017/01/21 11:06:25
1246 dnl -------------------
1247 dnl Check if GPM is already linked with curses. If so - and if the linkage
1248 dnl is not "weak" - warn about this because it can create problems linking
1249 dnl applications with ncurses.
1250 AC_DEFUN([CF_CHECK_GPM_WGETCH],[
1251 AC_CHECK_LIB(gpm,Gpm_Wgetch,[
1253 AC_CACHE_CHECK(if GPM is weakly bound to curses library, cf_cv_check_gpm_wgetch,[
1254 cf_cv_check_gpm_wgetch=unknown
1255 if test "$cross_compiling" != yes ; then
1257 cat >conftest.$ac_ext <<CF_EOF
1262 ${cf_cv_main_return:-return}(0);
1266 cf_save_LIBS="$LIBS"
1267 # This only works if we can look at the symbol table. If a shared
1268 # library is stripped for install, we cannot use that. So we're forced
1269 # to rely on the static library, noting that some packagers may not
1271 LIBS="-static -lgpm -dynamic $LIBS"
1272 if AC_TRY_EVAL(ac_compile) ; then
1273 if AC_TRY_EVAL(ac_link) ; then
1274 cf_cv_check_gpm_wgetch=`nm conftest$ac_exeext | egrep '\<wgetch\>' | egrep '\<[[vVwW]]\>'`
1275 test -n "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=yes
1276 test -z "$cf_cv_check_gpm_wgetch" && cf_cv_check_gpm_wgetch=no
1280 LIBS="$cf_save_LIBS"
1284 if test "$cf_cv_check_gpm_wgetch" != yes ; then
1285 AC_MSG_WARN(GPM library is already linked with curses - read the FAQ)
1288 dnl ---------------------------------------------------------------------------
1289 dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
1290 dnl ------------------------
1291 dnl Show the version of libtool
1293 dnl Save the version in a cache variable - this is not entirely a good thing,
1294 dnl but the version string from libtool is very ugly, and for bug reports it
1295 dnl might be useful to have the original string.
1296 AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
1297 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
1299 AC_MSG_CHECKING(version of $LIBTOOL)
1301 AC_MSG_RESULT($cf_cv_libtool_version)
1302 if test -z "$cf_cv_libtool_version" ; then
1303 AC_MSG_ERROR(This is not GNU libtool)
1306 AC_MSG_ERROR(GNU libtool has not been found)
1309 dnl ---------------------------------------------------------------------------
1310 dnl CF_CHECK_WCHAR_H version: 2 updated: 2017/01/21 11:06:25
1311 dnl ----------------
1312 dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
1313 AC_DEFUN([CF_CHECK_WCHAR_H],[
1318 AC_CACHE_CHECK(if wchar.h can be used as is,cf_cv_wchar_h_okay,[
1325 #ifdef HAVE_WCTYPE_H
1330 int bar = iswpunct(foo)],
1331 [cf_cv_wchar_h_okay=yes],
1332 [cf_cv_wchar_h_okay=no])])
1334 if test $cf_cv_wchar_h_okay = no
1336 CF_PREDEFINE(_XOPEN_SOURCE_EXTENDED)
1339 dnl ---------------------------------------------------------------------------
1340 dnl CF_CHECK_WCWIDTH_GRAPHICS version: 1 updated: 2015/12/19 17:47:56
1341 dnl -------------------------
1342 dnl Most "modern" terminal emulators are based to some degree on VT100, and
1343 dnl should support line-drawing. Even with Unicode. There is a problem.
1345 dnl While most of the VT100 graphics characters were incorporated into Unicode,
1346 dnl all of those were combined into a page of useful graphics characters.
1348 dnl So far, so good.
1350 dnl However, while they are useful, there are other considerations. CJK
1351 dnl is (because of poor device resolution) often rendered as double-width
1352 dnl characters. So... for these generally-useful characters, what should
1353 dnl be the width (to make them consistent with adjacent characters)?
1355 dnl The obvious choice would have been to make this locale-dependent, and use
1356 dnl wcwidth() to tell applications what the actual width is. That was too
1357 dnl obvious. Instead, we have a slew of "ambiguous-width" characters.
1359 dnl http://www.unicode.org/reports/tr11/tr11-29.html
1360 dnl http://www.cl.cam.ac.uk/~mgk25/ucs/scw-proposal.html
1362 dnl The EastAsianWidth-6.2.0.txt file from the Unicode organization lists
1363 dnl more than 22,000 characters, with 1281 of those as ambiguous-width. For
1364 dnl instance, it lists half (44/96) of the Latin-1 characters as
1365 dnl ambiguous-width. Also, all of the box-characters at 0x2500 are ambiguous.
1367 dnl What this means for the implementor is that on some systems wcwidth() can
1368 dnl give bad advice. On Solaris, some of the ambiguous widths are returned as
1369 dnl 1 (the Latin-1 characters), while others are returned as 2 (line-drawing
1370 dnl characters). These do not necessarily match the behavior of the terminal
1371 dnl emulator. xterm, for instance, does an optional startup check to find if
1372 dnl this problem (or similar) exists with the system's locale tables, rejecting
1373 dnl them if they are too unreliable.
1374 AC_DEFUN([CF_CHECK_WCWIDTH_GRAPHICS],[
1375 AC_CACHE_CHECK(if wcwidth agrees graphics are single-width, cf_cv_wcwidth_graphics,[
1376 cat >conftest.in <<CF_EOF
1378 0x250c upper left corner
1379 0x2514 lower left corner
1380 0x2510 upper right corner
1381 0x2518 lower right corner
1382 0x251c tee pointing left
1383 0x2524 tee pointing right
1384 0x2534 tee pointing up
1385 0x252c tee pointing down
1386 0x2500 horizontal line
1387 0x2502 vertical line
1388 0x253c large plus or crossover
1392 0x2592 checker board (stipple)
1393 0x00b0 degree symbol
1396 - Teletype 5410v1 symbols
1397 0x2190 arrow pointing left
1398 0x2192 arrow pointing right
1399 0x2193 arrow pointing down
1400 0x2191 arrow pointing up
1401 0x2592 board of squares
1402 0x2603 lantern symbol
1403 0x25ae solid square block
1404 - these defaults were invented for ncurses
1407 0x2264 less-than-or-equal-to
1408 0x2265 greater-than-or-equal-to
1411 0x00a3 pound-sterling symbol
1412 - thick-line-drawing
1413 0x250f upper left corner
1414 0x2517 lower left corner
1415 0x2513 upper right corner
1416 0x251b lower right corner
1417 0x2523 tee pointing left
1418 0x252b tee pointing right
1419 0x253b tee pointing up
1420 0x2533 tee pointing down
1421 0x2501 horizontal line
1422 0x2503 vertical line
1423 0x254b large plus or crossover
1424 - double-line-drawing
1425 0x2554 upper left corner
1426 0x255a lower left corner
1427 0x2557 upper right corner
1428 0x255d lower right corner
1429 0x2563 tee pointing left
1430 0x2560 tee pointing right
1431 0x2569 tee pointing up
1432 0x2566 tee pointing down
1433 0x2550 horizontal line
1434 0x2551 vertical line
1435 0x256c large plus or crossover
1449 char buffer[MY_LEN + 1];
1450 char notes[MY_LEN + 1];
1454 if (setlocale(LC_ALL, "en_US.UTF8") ||
1455 setlocale(LC_ALL, "en_US.UTF-8") ||
1456 setlocale(LC_ALL, "en_US.utf8") ||
1457 setlocale(LC_ALL, "en_US.utf-8")) {
1458 if ((fp = fopen("conftest.in", "r")) != 0) {
1459 while (fgets(buffer, MY_LEN, fp) != 0) {
1460 if (*buffer == '-') {
1461 fprintf(stderr, "\t%s", buffer);
1462 } else if (sscanf(buffer, "%x %s", &value, notes) == 2) {
1464 if (wcwidth(value) == 1)
1466 fprintf(stderr, "%d\t%s", wcwidth(value), buffer);
1468 fprintf(stderr, "?\t%s", buffer);
1473 fprintf(stderr, "%d/%d passed wcwidth/graphics check\n", passed, totals);
1474 return (totals == passed) ? 0 : 1;
1477 [cf_cv_wcwidth_graphics=yes],
1478 [cf_cv_wcwidth_graphics=no],
1479 [cf_cv_wcwidth_graphics=unknown])
1482 dnl ---------------------------------------------------------------------------
1483 dnl CF_CLANG_COMPILER version: 4 updated: 2020/10/31 15:46:50
1484 dnl -----------------
1485 dnl Check if the given compiler is really clang. clang's C driver defines
1486 dnl __GNUC__ (fooling the configure script into setting $GCC to yes) but does
1487 dnl not ignore some gcc options.
1489 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
1490 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
1491 dnl the wrappers for gcc and g++ warnings.
1493 dnl $1 = GCC (default) or GXX
1494 dnl $2 = CLANG_COMPILER (default)
1495 dnl $3 = CFLAGS (default) or CXXFLAGS
1496 AC_DEFUN([CF_CLANG_COMPILER],[
1497 ifelse([$2],,CLANG_COMPILER,[$2])=no
1499 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
1500 AC_MSG_CHECKING(if this is really Clang ifelse([$1],GXX,C++,C) compiler)
1501 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
1507 ],[ifelse([$2],,CLANG_COMPILER,[$2])=yes
1509 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
1510 AC_MSG_RESULT($ifelse([$2],,CLANG_COMPILER,[$2]))
1513 if test "x$ifelse([$2],,CLANG_COMPILER,[$2])" = "xyes" ; then
1514 for cf_clang_opt in \
1515 -Qunused-arguments \
1516 -Wno-error=implicit-function-declaration
1518 AC_MSG_CHECKING(if option $cf_clang_opt works)
1520 #include <stdio.h>],[
1521 printf("hello!\n");],[
1522 cf_clang_optok=yes],[
1524 AC_MSG_RESULT($cf_clang_optok)
1525 if test $cf_clang_optok = yes; then
1526 CF_VERBOSE(adding option $cf_clang_opt)
1527 CF_APPEND_TEXT(CFLAGS,$cf_clang_opt)
1532 dnl ---------------------------------------------------------------------------
1533 dnl CF_CONST_X_STRING version: 4 updated: 2020/03/10 18:53:47
1534 dnl -----------------
1535 dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
1536 dnl character-strings.
1538 dnl It is ambiguous because the specification accommodated the pre-ANSI
1539 dnl compilers bundled by more than one vendor in lieu of providing a standard C
1540 dnl compiler other than by costly add-ons. Because of this, the specification
1541 dnl did not take into account the use of const for telling the compiler that
1542 dnl string literals would be in readonly memory.
1544 dnl As a workaround, one could (starting with X11R5) define XTSTRINGDEFINES, to
1545 dnl let the compiler decide how to represent Xt's strings which were #define'd.
1546 dnl That does not solve the problem of using the block of Xt's strings which
1547 dnl are compiled into the library (and is less efficient than one might want).
1549 dnl Xt specification 7 introduces the _CONST_X_STRING symbol which is used both
1550 dnl when compiling the library and compiling using the library, to tell the
1551 dnl compiler that String is const.
1552 AC_DEFUN([CF_CONST_X_STRING],
1554 AC_REQUIRE([AC_PATH_XTRA])
1556 CF_SAVE_XTRA_FLAGS([CF_CONST_X_STRING])
1561 #include <X11/Intrinsic.h>
1563 [String foo = malloc(1); (void)foo],[
1565 AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
1568 #define _CONST_X_STRING /* X11R7.8 (perhaps) */
1569 #undef XTSTRINGDEFINES /* X11R5 and later */
1571 #include <X11/Intrinsic.h>
1572 ],[String foo = malloc(1); *foo = 0],[
1573 cf_cv_const_x_string=no
1575 cf_cv_const_x_string=yes
1579 CF_RESTORE_XTRA_FLAGS([CF_CONST_X_STRING])
1581 case $cf_cv_const_x_string in
1583 CF_APPEND_TEXT(CPPFLAGS,-DXTSTRINGDEFINES)
1586 CF_APPEND_TEXT(CPPFLAGS,-D_CONST_X_STRING)
1592 dnl ---------------------------------------------------------------------------
1593 dnl CF_CPP_PARAM_INIT version: 7 updated: 2017/01/21 11:06:25
1594 dnl -----------------
1595 dnl Check if the C++ compiler accepts duplicate parameter initialization. This
1596 dnl is a late feature for the standard and is not in some recent compilers
1598 AC_DEFUN([CF_CPP_PARAM_INIT],
1600 if test -n "$CXX"; then
1601 AC_CACHE_CHECK(if $CXX accepts parameter initialization,cf_cv_cpp_param_init,[
1613 TEST::TEST(int x = 1) // some compilers do not like second initializer
1619 [cf_cv_cpp_param_init=yes],
1620 [cf_cv_cpp_param_init=no],
1621 [cf_cv_cpp_param_init=unknown])
1625 test "$cf_cv_cpp_param_init" = yes && AC_DEFINE(CPP_HAS_PARAM_INIT,1,[Define to 1 if C++ has parameter initialization])
1627 dnl ---------------------------------------------------------------------------
1628 dnl CF_CPP_STATIC_CAST version: 3 updated: 2013/04/13 18:03:21
1629 dnl ------------------
1630 dnl Check if the C++ compiler accepts static_cast in generics. This appears to
1631 dnl not be supported in g++ before 3.0
1632 AC_DEFUN([CF_CPP_STATIC_CAST],
1634 if test -n "$CXX"; then
1636 AC_CACHE_CHECK(if $CXX accepts static_cast,cf_cv_cpp_static_cast,[
1644 NCursesPanel(int nlines,
1654 template<class T> class NCursesUserPanel : public NCursesPanel
1657 NCursesUserPanel (int nlines,
1661 const T* p_UserData = static_cast<T*>(0))
1662 : NCursesPanel (nlines, ncols, begin_y, begin_x)
1665 NCursesUserPanel(const T* p_UserData = static_cast<T*>(0)) : NCursesPanel()
1669 virtual ~NCursesUserPanel() {};
1672 const char* p_UserData = static_cast<char*>(0)],
1673 [cf_cv_cpp_static_cast=yes],
1674 [cf_cv_cpp_static_cast=no])
1681 test "$cf_cv_cpp_static_cast" = yes && AC_DEFINE(CPP_HAS_STATIC_CAST,1,[Define to 1 if C++ has static_cast])
1683 dnl ---------------------------------------------------------------------------
1684 dnl CF_CXX_AR_FLAGS version: 2 updated: 2015/04/17 21:13:04
1686 dnl Setup special archiver flags for given compilers.
1687 AC_DEFUN([CF_CXX_AR_FLAGS],[
1689 CXX_ARFLAGS='$(ARFLAGS)'
1690 case $cf_cv_system_name in
1692 if test "$GXX" != yes ; then
1694 CXX_ARFLAGS='-ar -o'
1698 CXXLDFLAGS="-u main"
1701 if test "$GXX" != yes ; then
1703 CXX_ARFLAGS='-xar -o'
1707 AC_SUBST(CXXLDFLAGS)
1709 AC_SUBST(CXX_ARFLAGS)
1711 dnl ---------------------------------------------------------------------------
1712 dnl CF_CXX_IOSTREAM_NAMESPACE version: 2 updated: 2012/10/06 17:56:13
1713 dnl -------------------------
1714 dnl For c++, check if iostream uses "std::" namespace.
1715 AC_DEFUN([CF_CXX_IOSTREAM_NAMESPACE],[
1716 AC_CHECK_HEADERS(iostream)
1717 if test x"$ac_cv_header_iostream" = xyes ; then
1718 AC_MSG_CHECKING(if iostream uses std-namespace)
1723 cerr << "testing" << endl;
1724 ],[cf_iostream_namespace=yes],[cf_iostream_namespace=no])
1725 AC_MSG_RESULT($cf_iostream_namespace)
1726 if test "$cf_iostream_namespace" = yes ; then
1727 AC_DEFINE(IOSTREAM_NAMESPACE,1,[Define to 1 if C++ has namespace iostream])
1731 dnl ---------------------------------------------------------------------------
1732 dnl CF_C_INLINE version: 6 updated: 2019/09/07 13:38:36
1734 dnl Check if the C compiler supports "inline".
1735 dnl $1 is the name of a shell variable to set if inline is supported
1736 dnl $2 is the threshold for gcc 4.x's option controlling maximum inline size
1737 AC_DEFUN([CF_C_INLINE],[
1738 AC_REQUIRE([CF_GCC_VERSION])
1741 if test "$ac_cv_c_inline" != no ; then
1743 if test "$INTEL_COMPILER" = yes
1746 elif test "$CLANG_COMPILER" = yes
1749 elif test "$GCC" = yes
1751 AC_CACHE_CHECK(if $CC supports options to tune inlining,cf_cv_gcc_inline,[
1752 cf_save_CFLAGS=$CFLAGS
1753 CFLAGS="$CFLAGS --param max-inline-insns-single=$2"
1754 AC_TRY_COMPILE([inline int foo(void) { return 1; }],
1755 [${cf_cv_main_return:-return} foo()],
1756 [cf_cv_gcc_inline=yes],
1757 [cf_cv_gcc_inline=no])
1758 CFLAGS=$cf_save_CFLAGS
1760 if test "$cf_cv_gcc_inline" = yes ; then
1761 CF_ADD_CFLAGS([--param max-inline-insns-single=$2])
1767 dnl ---------------------------------------------------------------------------
1768 dnl CF_DIRNAME version: 4 updated: 2002/12/21 19:25:52
1770 dnl "dirname" is not portable, so we fake it with a shell script.
1771 AC_DEFUN([CF_DIRNAME],[$1=`echo $2 | sed -e 's%/[[^/]]*$%%'`])dnl
1772 dnl ---------------------------------------------------------------------------
1773 dnl CF_DIRS_TO_MAKE version: 3 updated: 2002/02/23 20:38:31
1775 AC_DEFUN([CF_DIRS_TO_MAKE],
1778 for cf_item in $cf_list_models
1780 CF_OBJ_SUBDIR($cf_item,cf_subdir)
1781 for cf_item2 in $DIRS_TO_MAKE
1783 test $cf_item2 = $cf_subdir && break
1785 test ".$cf_item2" != ".$cf_subdir" && DIRS_TO_MAKE="$DIRS_TO_MAKE $cf_subdir"
1787 for cf_dir in $DIRS_TO_MAKE
1789 test ! -d $cf_dir && mkdir $cf_dir
1791 AC_SUBST(DIRS_TO_MAKE)
1793 dnl ---------------------------------------------------------------------------
1794 dnl CF_DISABLE_ECHO version: 13 updated: 2015/04/18 08:56:57
1796 dnl You can always use "make -n" to see the actual options, but it's hard to
1797 dnl pick out/analyze warning messages when the compile-line is long.
1800 dnl ECHO_LT - symbol to control if libtool is verbose
1801 dnl ECHO_LD - symbol to prefix "cc -o" lines
1802 dnl RULE_CC - symbol to put before implicit "cc -c" lines (e.g., .c.o)
1803 dnl SHOW_CC - symbol to put before explicit "cc -c" lines
1804 dnl ECHO_CC - symbol to put before any "cc" line
1806 AC_DEFUN([CF_DISABLE_ECHO],[
1807 AC_MSG_CHECKING(if you want to see long compiling messages)
1808 CF_ARG_DISABLE(echo,
1809 [ --disable-echo do not display "compiling" commands],
1812 ECHO_LD='@echo linking [$]@;'
1813 RULE_CC='@echo compiling [$]<'
1814 SHOW_CC='@echo compiling [$]@'
1823 AC_MSG_RESULT($enableval)
1830 dnl ---------------------------------------------------------------------------
1831 dnl CF_DISABLE_GNAT_PROJECTS version: 1 updated: 2014/06/01 11:34:00
1832 dnl ------------------------
1833 AC_DEFUN([CF_DISABLE_GNAT_PROJECTS],[
1834 AC_MSG_CHECKING(if we want to use GNAT projects)
1835 CF_ARG_DISABLE(gnat-projects,
1836 [ --disable-gnat-projects test: disable GNAT projects even if usable],
1837 [enable_gnat_projects=no],
1838 [enable_gnat_projects=yes])
1839 AC_MSG_RESULT($enable_gnat_projects)
1841 dnl ---------------------------------------------------------------------------
1842 dnl CF_DISABLE_LEAKS version: 7 updated: 2012/10/02 20:55:03
1843 dnl ----------------
1844 dnl Combine no-leak checks with the libraries or tools that are used for the
1846 AC_DEFUN([CF_DISABLE_LEAKS],[
1848 AC_REQUIRE([CF_WITH_DMALLOC])
1849 AC_REQUIRE([CF_WITH_DBMALLOC])
1850 AC_REQUIRE([CF_WITH_VALGRIND])
1852 AC_MSG_CHECKING(if you want to perform memory-leak testing)
1853 AC_ARG_ENABLE(leaks,
1854 [ --disable-leaks test: free permanent memory, analyze leaks],
1855 [if test "x$enableval" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi],
1856 : ${with_no_leaks:=no})
1857 AC_MSG_RESULT($with_no_leaks)
1859 if test "$with_no_leaks" = yes ; then
1860 AC_DEFINE(NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1861 AC_DEFINE(YY_NO_LEAKS,1,[Define to 1 if you want to perform memory-leak testing.])
1864 dnl ---------------------------------------------------------------------------
1865 dnl CF_DISABLE_LIBTOOL_VERSION version: 3 updated: 2015/04/17 21:13:04
1866 dnl --------------------------
1867 dnl Check if we should use the libtool 1.5 feature "-version-number" instead of
1868 dnl the older "-version-info" feature. The newer feature allows us to use
1869 dnl version numbering on shared libraries which make them compatible with
1870 dnl various systems.
1871 AC_DEFUN([CF_DISABLE_LIBTOOL_VERSION],
1873 AC_MSG_CHECKING(if libtool -version-number should be used)
1874 CF_ARG_DISABLE(libtool-version,
1875 [ --disable-libtool-version enable to use libtool's incompatible naming scheme],
1876 [cf_libtool_version=no],
1877 [cf_libtool_version=yes])
1878 AC_MSG_RESULT($cf_libtool_version)
1880 if test "$cf_libtool_version" = yes ; then
1881 LIBTOOL_VERSION="-version-number"
1883 LIBTOOL_VERSION="-version-info"
1886 AC_MSG_WARN(VERSION was not set)
1889 ABI_VERSION="$VERSION"
1890 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1893 ABI_VERSION=`echo "$VERSION" | sed -e 's/:/./g'`
1894 CF_VERBOSE(ABI_VERSION: $ABI_VERSION)
1897 AC_MSG_WARN(unexpected VERSION value: $VERSION)
1902 AC_SUBST(ABI_VERSION)
1903 AC_SUBST(LIBTOOL_VERSION)
1905 dnl ---------------------------------------------------------------------------
1906 dnl CF_DISABLE_RPATH_HACK version: 2 updated: 2011/02/13 13:31:33
1907 dnl ---------------------
1908 dnl The rpath-hack makes it simpler to build programs, particularly with the
1909 dnl *BSD ports which may have essential libraries in unusual places. But it
1910 dnl can interfere with building an executable for the base system. Use this
1911 dnl option in that case.
1912 AC_DEFUN([CF_DISABLE_RPATH_HACK],
1914 AC_MSG_CHECKING(if rpath-hack should be disabled)
1915 CF_ARG_DISABLE(rpath-hack,
1916 [ --disable-rpath-hack don't add rpath options for additional libraries],
1917 [cf_disable_rpath_hack=yes],
1918 [cf_disable_rpath_hack=no])
1919 AC_MSG_RESULT($cf_disable_rpath_hack)
1920 if test "$cf_disable_rpath_hack" = no ; then
1924 dnl ---------------------------------------------------------------------------
1925 dnl CF_ENABLE_BROKEN_LINKER version: 1 updated: 2020/02/08 15:59:30
1926 dnl -----------------------
1927 dnl Some linkers cannot reference a data-only object. Cygwin used to be one.
1928 dnl This usually follows CF_LINK_DATAONLY, but is not required in case we need
1929 dnl an unconditional feature.
1930 AC_DEFUN([CF_ENABLE_BROKEN_LINKER],[
1932 AC_MSG_CHECKING(if you want broken-linker support code)
1933 AC_ARG_ENABLE(broken_linker,
1934 [ --enable-broken_linker compile with broken-linker support code],
1935 [with_broken_linker=$enableval],
1936 [with_broken_linker=no])
1937 AC_MSG_RESULT($with_broken_linker)
1939 : ${BROKEN_LINKER:=0}
1940 if test "x$with_broken_linker" = xyes ; then
1941 AC_DEFINE(BROKEN_LINKER,1,[Define to 1 to work around linkers which cannot link data-only modules])
1944 AC_SUBST(BROKEN_LINKER)
1946 dnl ---------------------------------------------------------------------------
1947 dnl CF_ENABLE_PC_FILES version: 13 updated: 2015/11/01 05:27:39
1948 dnl ------------------
1949 dnl This is the "--enable-pc-files" option, which is available if there is a
1950 dnl pkg-config configuration on the local machine.
1951 AC_DEFUN([CF_ENABLE_PC_FILES],[
1952 AC_REQUIRE([CF_PKG_CONFIG])
1953 AC_REQUIRE([CF_WITH_PKG_CONFIG_LIBDIR])
1955 if test "x$PKG_CONFIG" != xnone
1957 AC_MSG_CHECKING(if we should install .pc files for $PKG_CONFIG)
1959 AC_MSG_CHECKING(if we should install .pc files)
1962 AC_ARG_ENABLE(pc-files,
1963 [ --enable-pc-files generate and install .pc files for pkg-config],
1964 [enable_pc_files=$enableval],
1965 [enable_pc_files=no])
1966 AC_MSG_RESULT($enable_pc_files)
1968 if test "x$enable_pc_files" != xno
1971 case "x$PKG_CONFIG_LIBDIR" in
1973 AC_MSG_WARN(no PKG_CONFIG_LIBDIR was found)
1976 CF_PATH_SYNTAX(PKG_CONFIG_LIBDIR)
1982 AC_SUBST(MAKE_PC_FILES)
1984 dnl ---------------------------------------------------------------------------
1985 dnl CF_ENABLE_RPATH version: 2 updated: 2010/03/27 18:39:42
1987 dnl Check if the rpath option should be used, setting cache variable
1988 dnl cf_cv_enable_rpath if so.
1989 AC_DEFUN([CF_ENABLE_RPATH],
1991 AC_MSG_CHECKING(if rpath option should be used)
1992 AC_ARG_ENABLE(rpath,
1993 [ --enable-rpath use rpath option when generating shared libraries],
1994 [cf_cv_enable_rpath=$enableval],
1995 [cf_cv_enable_rpath=no])
1996 AC_MSG_RESULT($cf_cv_enable_rpath)
1998 dnl ---------------------------------------------------------------------------
1999 dnl CF_ENABLE_STRING_HACKS version: 5 updated: 2016/10/08 17:34:11
2000 dnl ----------------------
2001 dnl On a few platforms, the compiler and/or loader nags with untruthful
2002 dnl comments stating that "most" uses of strcat/strcpy/sprintf are incorrect,
2003 dnl and implying that most uses of the recommended alternatives are correct.
2005 dnl Factually speaking, no one has actually counted the number of uses of these
2006 dnl functions versus the total of incorrect uses. Samples of a few thousand
2007 dnl instances are meaningless compared to the hundreds of millions of lines of
2008 dnl existing C code.
2010 dnl strlcat/strlcpy are (as of 2012) non-standard, and are available on some
2011 dnl platforms, in implementations of varying quality. Likewise, snprintf is
2012 dnl standard - but evolved through phases, and older implementations are likely
2013 dnl to yield surprising results, as documented in manpages on various systems.
2014 AC_DEFUN([CF_ENABLE_STRING_HACKS],
2016 AC_MSG_CHECKING(if you want to work around bogus compiler/loader warnings)
2017 AC_ARG_ENABLE(string-hacks,
2018 [ --enable-string-hacks work around bogus compiler/loader warnings],
2019 [with_string_hacks=$enableval],
2020 [with_string_hacks=no])
2021 AC_MSG_RESULT($with_string_hacks)
2023 if test "x$with_string_hacks" = "xyes"; then
2024 AC_DEFINE(USE_STRING_HACKS,1,[Define to 1 to work around bogus compiler/loader warnings])
2025 AC_MSG_WARN(enabling string-hacks to work around bogus compiler/loader warnings)
2026 AC_CHECK_FUNC(strlcat,[
2027 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
2029 AC_CHECK_LIB(bsd,strlcat,[
2031 AC_CHECK_HEADERS(bsd/string.h)
2032 AC_DEFINE(HAVE_STRLCAT,1,[Define to 1 if we have strlcat function])
2035 AC_CHECK_FUNCS( strlcpy snprintf )
2038 dnl ---------------------------------------------------------------------------
2039 dnl CF_ENABLE_WARNINGS version: 7 updated: 2020/08/29 09:05:21
2040 dnl ------------------
2041 dnl Configure-option to enable gcc warnings
2043 dnl $1 = extra options to add, if supported
2044 dnl $2 = option for checking attributes. By default, this is done when
2045 dnl warnings are enabled. For other values:
2046 dnl yes: always do this, e.g., to use in generated library-headers
2047 dnl no: never do this
2048 AC_DEFUN([CF_ENABLE_WARNINGS],[
2049 if ( test "$GCC" = yes || test "$GXX" = yes )
2051 CF_FIX_WARNINGS(CFLAGS)
2052 CF_FIX_WARNINGS(CPPFLAGS)
2053 CF_FIX_WARNINGS(LDFLAGS)
2054 AC_MSG_CHECKING(if you want to turn on gcc warnings)
2055 CF_ARG_ENABLE(warnings,
2056 [ --enable-warnings test: turn on gcc compiler warnings],
2057 [with_warnings=yes],
2059 AC_MSG_RESULT($with_warnings)
2060 if test "$with_warnings" = "yes"
2062 ifelse($2,,[CF_GCC_ATTRIBUTES])
2065 ifelse($2,yes,[CF_GCC_ATTRIBUTES])
2068 dnl ---------------------------------------------------------------------------
2069 dnl CF_ERRNO version: 5 updated: 1997/11/30 12:44:39
2071 dnl Check if 'errno' is declared in <errno.h>
2072 AC_DEFUN([CF_ERRNO],
2074 CF_CHECK_ERRNO(errno)
2076 dnl ---------------------------------------------------------------------------
2077 dnl CF_ETIP_DEFINES version: 5 updated: 2012/02/18 17:51:07
2079 dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
2080 dnl math.h and builtin.h, only for ncurses
2081 AC_DEFUN([CF_ETIP_DEFINES],
2083 AC_MSG_CHECKING(for special defines needed for etip.h)
2084 cf_save_CXXFLAGS="$CXXFLAGS"
2087 # etip.h includes ncurses.h which includes ncurses_dll.h
2088 # But ncurses_dll.h is generated - fix here.
2089 test -d include || mkdir include
2090 test -f include/ncurses_dll.h || sed -e 's/@NCURSES_WRAP_PREFIX@/'$NCURSES_WRAP_PREFIX'/g' ${srcdir}/include/ncurses_dll.h.in >include/ncurses_dll.h
2092 for cf_math in "" MATH_H
2094 for cf_excp in "" MATH_EXCEPTION
2096 CXXFLAGS="$cf_save_CXXFLAGS -I${srcdir}/c++ -I${srcdir}/menu -Iinclude -I${srcdir}/include"
2097 test -n "$cf_math" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_math}"
2098 test -n "$cf_excp" && CXXFLAGS="$CXXFLAGS -DETIP_NEEDS_${cf_excp}"
2100 #include <etip.h.in>
2102 test -n "$cf_math" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_math})
2103 test -n "$cf_excp" && AC_DEFINE_UNQUOTED(ETIP_NEEDS_${cf_excp})
2104 cf_result="$cf_math $cf_excp"
2109 AC_MSG_RESULT($cf_result)
2110 CXXFLAGS="$cf_save_CXXFLAGS"
2112 dnl ---------------------------------------------------------------------------
2113 dnl CF_FIND_LINKAGE version: 21 updated: 2018/06/20 20:23:13
2115 dnl Find a library (specifically the linkage used in the code fragment),
2116 dnl searching for it if it is not already in the library path.
2117 dnl See also CF_ADD_SEARCHPATH.
2119 dnl Parameters (4-on are optional):
2120 dnl $1 = headers for library entrypoint
2121 dnl $2 = code fragment for library entrypoint
2122 dnl $3 = the library name without the "-l" option or ".so" suffix.
2123 dnl $4 = action to perform if successful (default: update CPPFLAGS, etc)
2124 dnl $5 = action to perform if not successful
2125 dnl $6 = module name, if not the same as the library name
2126 dnl $7 = extra libraries
2128 dnl Sets these variables:
2129 dnl $cf_cv_find_linkage_$3 - yes/no according to whether linkage is found
2130 dnl $cf_cv_header_path_$3 - include-directory if needed
2131 dnl $cf_cv_library_path_$3 - library-directory if needed
2132 dnl $cf_cv_library_file_$3 - library-file if needed, e.g., -l$3
2133 AC_DEFUN([CF_FIND_LINKAGE],[
2135 # If the linkage is not already in the $CPPFLAGS/$LDFLAGS configuration, these
2136 # will be set on completion of the AC_TRY_LINK below.
2137 cf_cv_header_path_$3=
2138 cf_cv_library_path_$3=
2140 CF_MSG_LOG([Starting [FIND_LINKAGE]($3,$6)])
2142 cf_save_LIBS="$LIBS"
2144 AC_TRY_LINK([$1],[$2],[
2145 cf_cv_find_linkage_$3=yes
2146 cf_cv_header_path_$3=/usr/include
2147 cf_cv_library_path_$3=/usr/lib
2150 LIBS="-l$3 $7 $cf_save_LIBS"
2152 AC_TRY_LINK([$1],[$2],[
2153 cf_cv_find_linkage_$3=yes
2154 cf_cv_header_path_$3=/usr/include
2155 cf_cv_library_path_$3=/usr/lib
2156 cf_cv_library_file_$3="-l$3"
2158 cf_cv_find_linkage_$3=no
2159 LIBS="$cf_save_LIBS"
2161 CF_VERBOSE(find linkage for $3 library)
2162 CF_MSG_LOG([Searching for headers in [FIND_LINKAGE]($3,$6)])
2164 cf_save_CPPFLAGS="$CPPFLAGS"
2165 cf_test_CPPFLAGS="$CPPFLAGS"
2167 CF_HEADER_PATH(cf_search,ifelse([$6],,[$3],[$6]))
2168 for cf_cv_header_path_$3 in $cf_search
2170 if test -d $cf_cv_header_path_$3 ; then
2171 CF_VERBOSE(... testing $cf_cv_header_path_$3)
2172 CPPFLAGS="$cf_save_CPPFLAGS"
2173 CF_APPEND_TEXT(CPPFLAGS,-I$cf_cv_header_path_$3)
2174 AC_TRY_COMPILE([$1],[$2],[
2175 CF_VERBOSE(... found $3 headers in $cf_cv_header_path_$3)
2176 cf_cv_find_linkage_$3=maybe
2177 cf_test_CPPFLAGS="$CPPFLAGS"
2179 CPPFLAGS="$cf_save_CPPFLAGS"
2184 if test "$cf_cv_find_linkage_$3" = maybe ; then
2186 CF_MSG_LOG([Searching for $3 library in [FIND_LINKAGE]($3,$6)])
2188 cf_save_LIBS="$LIBS"
2189 cf_save_LDFLAGS="$LDFLAGS"
2192 CPPFLAGS="$cf_test_CPPFLAGS"
2193 LIBS="-l$3 $7 $cf_save_LIBS"
2194 AC_TRY_LINK([$1],[$2],[
2195 CF_VERBOSE(... found $3 library in system)
2196 cf_cv_find_linkage_$3=yes])
2197 CPPFLAGS="$cf_save_CPPFLAGS"
2198 LIBS="$cf_save_LIBS"
2201 if test "$cf_cv_find_linkage_$3" != yes ; then
2202 CF_LIBRARY_PATH(cf_search,$3)
2203 for cf_cv_library_path_$3 in $cf_search
2205 if test -d $cf_cv_library_path_$3 ; then
2206 CF_VERBOSE(... testing $cf_cv_library_path_$3)
2207 CPPFLAGS="$cf_test_CPPFLAGS"
2208 LIBS="-l$3 $7 $cf_save_LIBS"
2209 LDFLAGS="$cf_save_LDFLAGS -L$cf_cv_library_path_$3"
2210 AC_TRY_LINK([$1],[$2],[
2211 CF_VERBOSE(... found $3 library in $cf_cv_library_path_$3)
2212 cf_cv_find_linkage_$3=yes
2213 cf_cv_library_file_$3="-l$3"
2215 CPPFLAGS="$cf_save_CPPFLAGS"
2216 LIBS="$cf_save_LIBS"
2217 LDFLAGS="$cf_save_LDFLAGS"
2221 CPPFLAGS="$cf_save_CPPFLAGS"
2222 LDFLAGS="$cf_save_LDFLAGS"
2226 cf_cv_find_linkage_$3=no
2231 LIBS="$cf_save_LIBS"
2233 if test "$cf_cv_find_linkage_$3" = yes ; then
2235 CF_ADD_INCDIR($cf_cv_header_path_$3)
2236 CF_ADD_LIBDIR($cf_cv_library_path_$3)
2240 ifelse([$5],,AC_MSG_WARN(Cannot find $3 library),[$5])
2243 dnl ---------------------------------------------------------------------------
2244 dnl CF_FIND_SUB_INCDIR version: 2 updated: 2015/04/17 21:13:04
2245 dnl ------------------
2246 dnl Find an include-directory with the given leaf-name. This is useful for
2247 dnl example with FreeBSD ports, which use this convention to distinguish
2248 dnl different versions of the same port.
2249 AC_DEFUN([CF_FIND_SUB_INCDIR],[
2250 CF_SUBDIR_PATH(cf_search,$1,include)
2251 for cf_item in $cf_search
2255 CF_ADD_INCDIR($cf_item)
2260 dnl ---------------------------------------------------------------------------
2261 dnl CF_FIND_SUB_LIBDIR version: 2 updated: 2015/04/17 21:13:04
2262 dnl ------------------
2263 dnl Find a library-directory with the given leaf-name. This is useful for
2264 dnl example with FreeBSD ports, which use this convention to distinguish
2265 dnl different versions of the same port.
2266 AC_DEFUN([CF_FIND_SUB_LIBDIR],[
2267 CF_SUBDIR_PATH(cf_search,$1,lib)
2268 for cf_item in $cf_search
2272 CF_ADD_LIBDIR($cf_item)
2277 dnl ---------------------------------------------------------------------------
2278 dnl CF_FIXUP_ADAFLAGS version: 2 updated: 2015/04/17 21:13:04
2279 dnl -----------------
2280 dnl make ADAFLAGS consistent with CFLAGS
2281 AC_DEFUN([CF_FIXUP_ADAFLAGS],[
2282 AC_MSG_CHECKING(optimization options for ADAFLAGS)
2290 cf_O_flag=`echo "$CFLAGS" |sed -e 's/^.*-O/-O/' -e 's/[[ ]].*//'`
2291 CF_ADD_ADAFLAGS($cf_O_flag)
2294 AC_MSG_RESULT($ADAFLAGS)
2296 dnl ---------------------------------------------------------------------------
2297 dnl CF_FIX_WARNINGS version: 2 updated: 2020/08/28 15:08:28
2299 dnl Warning flags do not belong in CFLAGS, CPPFLAGS, etc. Any of gcc's
2300 dnl "-Werror" flags can interfere with configure-checks. Those go into
2303 dnl $1 = variable name to repair
2304 define([CF_FIX_WARNINGS],[
2305 if ( test "$GCC" = yes || test "$GXX" = yes )
2309 CF_VERBOSE(repairing $1: [$]$1)
2311 for cf_temp_scan in [$]$1
2313 case "x$cf_temp_scan" in
2315 CF_APPEND_TEXT(EXTRA_CFLAGS,"$cf_temp_scan")
2318 CF_APPEND_TEXT(cf_temp_flags,"$cf_temp_scan")
2323 CF_VERBOSE(... fixed [$]$1)
2324 CF_VERBOSE(... extra $EXTRA_CFLAGS)
2328 AC_SUBST(EXTRA_CFLAGS)
2330 dnl ---------------------------------------------------------------------------
2331 dnl CF_FOPEN_BIN_R version: 2 updated: 2019/12/31 08:53:54
2333 dnl Check if fopen works when the "b" (binary) flag is added to the mode
2334 dnl parameter. POSIX ignores the "b", which c89 specified. Some very old
2335 dnl systems do not accept it.
2336 AC_DEFUN([CF_FOPEN_BIN_R],[
2337 AC_CACHE_CHECK(if fopen accepts explicit binary mode,cf_cv_fopen_bin_r,[
2341 FILE *fp = fopen("conftest.tmp", "wb");
2345 for (p = 0; p < 256; ++p) {
2349 fp = fopen("conftest.tmp", "rb");
2351 for (p = 0; p < 256; ++p) {
2364 ${cf_cv_main_return:-return} (rc);
2367 [cf_cv_fopen_bin_r=yes],
2368 [cf_cv_fopen_bin_r=no],
2369 [cf_cv_fopen_bin_r=unknown])
2371 test "x$cf_cv_fopen_bin_r" != xno && AC_DEFINE(USE_FOPEN_BIN_R,1,[Define to 1 if fopen accepts explicit binary mode])
2373 dnl ---------------------------------------------------------------------------
2374 dnl CF_FORGET_TOOL version: 1 updated: 2013/04/06 18:03:09
2376 dnl Forget that we saw the given tool.
2377 AC_DEFUN([CF_FORGET_TOOL],[
2378 unset ac_cv_prog_ac_ct_$1
2382 dnl ---------------------------------------------------------------------------
2383 dnl CF_FUNC_DLSYM version: 4 updated: 2015/09/12 14:46:44
2385 dnl Test for dlsym() and related functions, as well as libdl.
2390 AC_DEFUN([CF_FUNC_DLSYM],[
2392 AC_CHECK_FUNC(dlsym,cf_have_dlsym=yes,[
2395 AC_CHECK_LIB(dl,dlsym,[
2397 cf_have_libdl=yes])])
2399 if test "$cf_have_dlsym" = yes ; then
2400 test "$cf_have_libdl" = yes && { CF_ADD_LIB(dl) }
2402 AC_MSG_CHECKING(whether able to link to dl*() functions)
2403 AC_TRY_LINK([#include <dlfcn.h>],[
2405 if ((obj = dlopen("filename", 0)) != 0) {
2406 if (dlsym(obj, "symbolname") == 0) {
2410 AC_DEFINE(HAVE_LIBDL,1,[Define to 1 if we have dl library])],[
2411 AC_MSG_ERROR(Cannot link test program for libdl)])
2414 AC_MSG_ERROR(Cannot find dlsym function)
2417 dnl ---------------------------------------------------------------------------
2418 dnl CF_FUNC_MEMMOVE version: 9 updated: 2017/01/21 11:06:25
2420 dnl Check for memmove, or a bcopy that can handle overlapping copy. If neither
2421 dnl is found, add our own version of memmove to the list of objects.
2422 AC_DEFUN([CF_FUNC_MEMMOVE],
2424 AC_CHECK_FUNC(memmove,,[
2425 AC_CHECK_FUNC(bcopy,[
2426 AC_CACHE_CHECK(if bcopy does overlapping moves,cf_cv_good_bcopy,[
2429 static char data[] = "abcdefghijklmnopqrstuwwxyz";
2431 bcopy(data, temp, sizeof(data));
2432 bcopy(temp+10, temp, 15);
2433 bcopy(temp+5, temp+15, 10);
2434 ${cf_cv_main_return:-return} (strcmp(temp, "klmnopqrstuwwxypqrstuwwxyz"));
2437 [cf_cv_good_bcopy=yes],
2438 [cf_cv_good_bcopy=no],
2439 [cf_cv_good_bcopy=unknown])
2441 ],[cf_cv_good_bcopy=no])
2442 if test "$cf_cv_good_bcopy" = yes ; then
2443 AC_DEFINE(USE_OK_BCOPY,1,[Define to 1 to use bcopy when memmove is unavailable])
2445 AC_DEFINE(USE_MY_MEMMOVE,1,[Define to 1 to use replacement function when memmove is unavailable])
2448 dnl ---------------------------------------------------------------------------
2449 dnl CF_FUNC_NANOSLEEP version: 5 updated: 2017/01/21 11:06:25
2450 dnl -----------------
2451 dnl Check for existence of workable nanosleep() function. Some systems, e.g.,
2452 dnl AIX 4.x, provide a non-working version.
2453 AC_DEFUN([CF_FUNC_NANOSLEEP],[
2454 AC_CACHE_CHECK(if nanosleep really works,cf_cv_func_nanosleep,[
2460 #ifdef HAVE_SYS_TIME_H
2461 #include <sys/time.h>
2465 struct timespec ts1, ts2;
2468 ts1.tv_nsec = 750000000;
2472 code = nanosleep(&ts1, &ts2); /* on failure errno is ENOSYS. */
2473 ${cf_cv_main_return:-return}(code != 0);
2476 [cf_cv_func_nanosleep=yes],
2477 [cf_cv_func_nanosleep=no],
2478 [cf_cv_func_nanosleep=unknown])])
2480 test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
2482 dnl ---------------------------------------------------------------------------
2483 dnl CF_FUNC_OPENPTY version: 5 updated: 2015/09/12 14:46:50
2485 dnl Check for openpty() function, along with <pty.h> header. It may need the
2486 dnl "util" library as well.
2487 AC_DEFUN([CF_FUNC_OPENPTY],
2489 AC_CHECK_LIB(util,openpty,cf_cv_lib_util=yes,cf_cv_lib_util=no)
2490 AC_CACHE_CHECK(for openpty header,cf_cv_func_openpty,[
2491 cf_save_LIBS="$LIBS"
2492 test $cf_cv_lib_util = yes && { CF_ADD_LIB(util) }
2493 for cf_header in pty.h libutil.h util.h
2496 #include <$cf_header>
2498 int x = openpty((int *)0, (int *)0, (char *)0,
2499 (struct termios *)0, (struct winsize *)0);
2501 cf_cv_func_openpty=$cf_header
2504 cf_cv_func_openpty=no
2507 LIBS="$cf_save_LIBS"
2510 dnl ---------------------------------------------------------------------------
2511 dnl CF_FUNC_POLL version: 9 updated: 2015/10/10 13:27:32
2513 dnl See if the poll function really works. Some platforms have poll(), but
2514 dnl it does not work for terminals or files.
2515 AC_DEFUN([CF_FUNC_POLL],[
2516 tty 2>&1 >/dev/null || { AC_CHECK_FUNCS(posix_openpt) }
2517 AC_CACHE_CHECK(if poll really works,cf_cv_working_poll,[
2526 #include <sys/poll.h>
2529 struct pollfd myfds;
2532 /* check for Darwin bug with respect to "devices" */
2533 myfds.fd = open("/dev/null", 1); /* O_WRONLY */
2536 myfds.events = POLLIN;
2539 ret = poll(&myfds, 1, 100);
2541 if (ret < 0 || (myfds.revents & POLLNVAL)) {
2546 fd = open("/dev/tty", 2); /* O_RDWR */
2548 #ifdef HAVE_POSIX_OPENPT
2550 fd = posix_openpt(O_RDWR);
2555 /* also check with standard input */
2557 myfds.events = POLLIN;
2559 ret = poll(&myfds, 1, 100);
2564 ${cf_cv_main_return:-return}(ret < 0);
2566 [cf_cv_working_poll=yes],
2567 [cf_cv_working_poll=no],
2568 [cf_cv_working_poll=unknown])])
2569 test "$cf_cv_working_poll" = "yes" && AC_DEFINE(HAVE_WORKING_POLL,1,[Define to 1 if the poll function seems to work])
2571 dnl ---------------------------------------------------------------------------
2572 dnl CF_FUNC_TERMIOS version: 3 updated: 2012/10/06 17:56:13
2574 dnl Some old/broken variations define tcgetattr() only as a macro in
2576 AC_DEFUN([CF_FUNC_TERMIOS],[
2577 AC_REQUIRE([CF_STRUCT_TERMIOS])
2578 AC_CACHE_CHECK(for tcgetattr, cf_cv_have_tcgetattr,[
2580 #include <sys/types.h>
2581 #ifdef HAVE_UNISTD_H
2584 #ifdef HAVE_TERMIOS_H
2585 #include <termios.h>
2586 #define TTY struct termios
2588 #ifdef HAVE_TERMIO_H
2590 #define TTY struct termio
2595 tcgetattr(1, &foo);],
2596 [cf_cv_have_tcgetattr=yes],
2597 [cf_cv_have_tcgetattr=no])])
2598 test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
2600 dnl ---------------------------------------------------------------------------
2601 dnl CF_FUNC_VSSCANF version: 6 updated: 2015/04/18 08:56:57
2603 dnl Check for vsscanf() function, which is in c9x but generally not in earlier
2604 dnl versions of C. It is in the GNU C library, and can often be simulated by
2605 dnl other functions.
2606 AC_DEFUN([CF_FUNC_VSSCANF],
2608 AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
2611 #include <stdio.h>],[
2613 vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
2616 #include <stdio.h>],[
2620 strbuf._flag = _IOREAD;
2621 strbuf._ptr = strbuf._base = (unsigned char *) str;
2622 strbuf._cnt = strlen(str);
2623 strbuf._file = _NFILE;
2624 return (vfscanf(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=vfscanf],[
2627 #include <stdio.h>],[
2631 strbuf._flag = _IOREAD;
2632 strbuf._ptr = strbuf._base = (unsigned char *) str;
2633 strbuf._cnt = strlen(str);
2634 strbuf._file = _NFILE;
2635 return (_doscan(&strbuf, "%d", ap))],[cf_cv_func_vsscanf=_doscan],[
2636 cf_cv_func_vsscanf=no])])])])
2638 case $cf_cv_func_vsscanf in
2639 (vsscanf) AC_DEFINE(HAVE_VSSCANF,1,[Define to 1 if we have vsscanf]);;
2640 (vfscanf) AC_DEFINE(HAVE_VFSCANF,1,[Define to 1 if we have vfscanf]);;
2641 (_doscan) AC_DEFINE(HAVE__DOSCAN,1,[Define to 1 if we have _doscan]);;
2645 dnl ---------------------------------------------------------------------------
2646 dnl CF_GCC_ATTRIBUTES version: 19 updated: 2020/08/29 09:05:21
2647 dnl -----------------
2648 dnl Test for availability of useful gcc __attribute__ directives to quiet
2649 dnl compiler warnings. Though useful, not all are supported -- and contrary
2650 dnl to documentation, unrecognized directives cause older compilers to barf.
2651 AC_DEFUN([CF_GCC_ATTRIBUTES],
2653 if ( test "$GCC" = yes || test "$GXX" = yes )
2655 cat > conftest.i <<EOF
2657 #define GCC_PRINTF 0
2662 #ifndef GCC_NORETURN
2663 #define GCC_NORETURN /* nothing */
2666 #define GCC_UNUSED /* nothing */
2669 if test "$GCC" = yes
2671 AC_CHECKING([for $CC __attribute__ directives])
2672 cat > conftest.$ac_ext <<EOF
2673 #line __oline__ "${as_me:-configure}"
2674 #include "confdefs.h"
2675 #include "conftest.h"
2676 #include "conftest.i"
2678 #define GCC_PRINTFLIKE(fmt,var) __attribute__((format(printf,fmt,var)))
2680 #define GCC_PRINTFLIKE(fmt,var) /*nothing*/
2683 #define GCC_SCANFLIKE(fmt,var) __attribute__((format(scanf,fmt,var)))
2685 #define GCC_SCANFLIKE(fmt,var) /*nothing*/
2687 extern void wow(char *,...) GCC_SCANFLIKE(1,2);
2688 extern void oops(char *,...) GCC_PRINTFLIKE(1,2) GCC_NORETURN;
2689 extern void foo(void) GCC_NORETURN;
2690 int main(int argc GCC_UNUSED, char *argv[[]] GCC_UNUSED) { (void)argc; (void)argv; return 0; }
2692 cf_printf_attribute=no
2693 cf_scanf_attribute=no
2694 for cf_attribute in scanf printf unused noreturn
2696 CF_UPPER(cf_ATTRIBUTE,$cf_attribute)
2697 cf_directive="__attribute__(($cf_attribute))"
2698 echo "checking for $CC $cf_directive" 1>&AC_FD_CC
2700 case $cf_attribute in
2702 cf_printf_attribute=yes
2703 cat >conftest.h <<EOF
2704 #define GCC_$cf_ATTRIBUTE 1
2708 cf_scanf_attribute=yes
2709 cat >conftest.h <<EOF
2710 #define GCC_$cf_ATTRIBUTE 1
2714 cat >conftest.h <<EOF
2715 #define GCC_$cf_ATTRIBUTE $cf_directive
2720 if AC_TRY_EVAL(ac_compile); then
2721 test -n "$verbose" && AC_MSG_RESULT(... $cf_attribute)
2722 cat conftest.h >>confdefs.h
2723 case $cf_attribute in
2725 AC_DEFINE_UNQUOTED(GCC_NORETURN,$cf_directive,[Define to noreturn-attribute for gcc])
2728 cf_value='/* nothing */'
2729 if test "$cf_printf_attribute" != no ; then
2730 cf_value='__attribute__((format(printf,fmt,var)))'
2731 AC_DEFINE(GCC_PRINTF,1,[Define to 1 if the compiler supports gcc-like printf attribute.])
2733 AC_DEFINE_UNQUOTED(GCC_PRINTFLIKE(fmt,var),$cf_value,[Define to printf-attribute for gcc])
2736 cf_value='/* nothing */'
2737 if test "$cf_scanf_attribute" != no ; then
2738 cf_value='__attribute__((format(scanf,fmt,var)))'
2739 AC_DEFINE(GCC_SCANF,1,[Define to 1 if the compiler supports gcc-like scanf attribute.])
2741 AC_DEFINE_UNQUOTED(GCC_SCANFLIKE(fmt,var),$cf_value,[Define to sscanf-attribute for gcc])
2744 AC_DEFINE_UNQUOTED(GCC_UNUSED,$cf_directive,[Define to unused-attribute for gcc])
2750 fgrep define conftest.i >>confdefs.h
2755 dnl ---------------------------------------------------------------------------
2756 dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
2758 dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
2759 dnl compatible), attempt to determine if icc/clang is actually used.
2760 AC_DEFUN([CF_GCC_VERSION],[
2761 AC_REQUIRE([AC_PROG_CC])
2763 if test "$GCC" = yes ; then
2764 AC_MSG_CHECKING(version of $CC)
2765 GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
2766 test -z "$GCC_VERSION" && GCC_VERSION=unknown
2767 AC_MSG_RESULT($GCC_VERSION)
2769 CF_INTEL_COMPILER(GCC,INTEL_COMPILER,CFLAGS)
2770 CF_CLANG_COMPILER(GCC,CLANG_COMPILER,CFLAGS)
2772 dnl ---------------------------------------------------------------------------
2773 dnl CF_GCC_WARNINGS version: 38 updated: 2020/08/28 15:08:28
2775 dnl Check if the compiler supports useful warning options. There's a few that
2776 dnl we don't use, simply because they're too noisy:
2778 dnl -Wconversion (useful in older versions of gcc, but not in gcc 2.7.x)
2779 dnl -Winline (usually not worthwhile)
2780 dnl -Wredundant-decls (system headers make this too noisy)
2781 dnl -Wtraditional (combines too many unrelated messages, only a few useful)
2782 dnl -Wwrite-strings (too noisy, but should review occasionally). This
2783 dnl is enabled for ncurses using "--enable-const".
2787 dnl $1 is an optional list of gcc warning flags that a particular
2788 dnl application might want to use, e.g., "no-unused" for
2791 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
2793 AC_DEFUN([CF_GCC_WARNINGS],
2795 AC_REQUIRE([CF_GCC_VERSION])
2796 if test "x$have_x" = xyes; then CF_CONST_X_STRING fi
2797 cat > conftest.$ac_ext <<EOF
2798 #line __oline__ "${as_me:-configure}"
2799 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
2801 if test "$INTEL_COMPILER" = yes
2803 # The "-wdXXX" options suppress warnings:
2804 # remark #1419: external declaration in primary source file
2805 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
2806 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
2807 # remark #193: zero used for undefined preprocessing identifier
2808 # remark #593: variable "curs_sb_left_arrow" was set but never used
2809 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
2810 # remark #869: parameter "tw" was never referenced
2811 # remark #981: operands are evaluated in unspecified order
2812 # warning #279: controlling expression is constant
2814 AC_CHECKING([for $CC warning options])
2815 cf_save_CFLAGS="$CFLAGS"
2816 EXTRA_CFLAGS="$EXTRA_CFLAGS -Wall"
2828 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2829 if AC_TRY_EVAL(ac_compile); then
2830 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2831 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2834 CFLAGS="$cf_save_CFLAGS"
2835 elif test "$GCC" = yes && test "$GCC_VERSION" != "unknown"
2837 AC_CHECKING([for $CC warning options])
2838 cf_save_CFLAGS="$CFLAGS"
2840 test "$with_ext_const" = yes && cf_warn_CONST="Wwrite-strings"
2841 cf_gcc_warnings="Wignored-qualifiers Wlogical-op Wvarargs"
2842 test "x$CLANG_COMPILER" = xyes && cf_gcc_warnings=
2843 for cf_opt in W Wall \
2844 Wbad-function-cast \
2847 Wdeclaration-after-statement \
2850 Wmissing-declarations \
2851 Wmissing-prototypes \
2855 Wstrict-prototypes \
2856 Wundef Wno-inline $cf_gcc_warnings $cf_warn_CONST $1
2858 CFLAGS="$cf_save_CFLAGS $EXTRA_CFLAGS -$cf_opt"
2859 if AC_TRY_EVAL(ac_compile); then
2860 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
2863 case $GCC_VERSION in
2865 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2870 case $GCC_VERSION in
2872 CF_VERBOSE(feature is broken in gcc $GCC_VERSION)
2877 EXTRA_CFLAGS="$EXTRA_CFLAGS -$cf_opt"
2880 CFLAGS="$cf_save_CFLAGS"
2884 AC_SUBST(EXTRA_CFLAGS)
2886 dnl ---------------------------------------------------------------------------
2887 dnl CF_GETOPT_HEADER version: 6 updated: 2014/07/22 14:45:54
2888 dnl ----------------
2889 dnl Check for getopt's variables which are commonly defined in stdlib.h,
2890 dnl unistd.h or (nonstandard) in getopt.h
2891 AC_DEFUN([CF_GETOPT_HEADER],
2893 AC_HAVE_HEADERS(unistd.h getopt.h)
2894 AC_CACHE_CHECK(for header declaring getopt variables,cf_cv_getopt_header,[
2895 cf_cv_getopt_header=none
2896 for cf_header in stdio.h stdlib.h unistd.h getopt.h
2899 #include <$cf_header>],
2900 [int x = optind; char *y = optarg],
2901 [cf_cv_getopt_header=$cf_header
2905 if test $cf_cv_getopt_header != none ; then
2906 AC_DEFINE(HAVE_GETOPT_HEADER,1,[Define to 1 if getopt variables are declared in header])
2908 if test $cf_cv_getopt_header = getopt.h ; then
2909 AC_DEFINE(NEED_GETOPT_H,1,[Define to 1 if we must include getopt.h])
2912 dnl ---------------------------------------------------------------------------
2913 dnl CF_GNATPREP_OPT_T version: 1 updated: 2014/08/02 18:37:25
2914 dnl -----------------
2915 AC_DEFUN([CF_GNATPREP_OPT_T],[
2916 AC_CACHE_CHECK(if GNATPREP supports -T option,cf_cv_gnatprep_opt_t,[
2917 cf_cv_gnatprep_opt_t=no
2918 gnatprep -T 2>/dev/null >/dev/null && cf_cv_gnatprep_opt_t=yes
2920 test "$cf_cv_gnatprep_opt_t" = yes && GNATPREP_OPTS="-T $GNATPREP_OPTS"
2921 AC_SUBST(GNATPREP_OPTS)
2923 dnl ---------------------------------------------------------------------------
2924 dnl CF_GNAT_GENERICS version: 6 updated: 2020/07/04 19:30:27
2925 dnl ----------------
2926 AC_DEFUN([CF_GNAT_GENERICS],
2928 AC_REQUIRE([CF_GNAT_VERSION])
2930 AC_MSG_CHECKING(if GNAT supports generics)
2931 case $cf_cv_gnat_version in
2932 (3.1[[1-9]]*|3.[[2-9]]*|[[4-9]].*|[[1-9]][[0-9]].[[0-9]]*|20[[0-9]][[0-9]])
2933 cf_gnat_generics=yes
2939 AC_MSG_RESULT($cf_gnat_generics)
2941 if test "$cf_gnat_generics" = yes
2943 cf_compile_generics=generics
2944 cf_generic_objects="\${GENOBJS}"
2946 cf_compile_generics=
2950 AC_SUBST(cf_compile_generics)
2951 AC_SUBST(cf_generic_objects)
2953 dnl ---------------------------------------------------------------------------
2954 dnl CF_GNAT_PROJECTS version: 10 updated: 2019/12/31 08:53:54
2955 dnl ----------------
2956 dnl GNAT projects are configured with ".gpr" project files.
2957 dnl GNAT libraries are a further development, using the project feature.
2958 AC_DEFUN([CF_GNAT_PROJECTS],
2960 AC_REQUIRE([CF_GNAT_VERSION])
2961 AC_REQUIRE([CF_DISABLE_GNAT_PROJECTS])
2963 cf_gnat_libraries=no
2966 if test "$enable_gnat_projects" != no ; then
2967 AC_MSG_CHECKING(if GNAT supports project files)
2968 case $cf_cv_gnat_version in
2972 case $cf_cv_system_name in
2976 rm -rf conftest* *~conftest*
2977 if mkdir conftest.src conftest.bin conftest.lib
2980 rm -rf conftest* *~conftest*
2981 cat >>library.gpr <<CF_EOF
2983 Kind := External ("LIB_KIND");
2984 for Library_Name use "ConfTest";
2985 for Object_Dir use ".";
2986 for Library_ALI_Dir use External("LIBRARY_DIR");
2987 for Library_Version use External ("SONAME");
2988 for Library_Kind use Kind;
2989 for Library_Dir use External("BUILD_DIR");
2990 Source_Dir := External ("SOURCE_DIR");
2991 for Source_Dirs use (Source_Dir);
2994 cat >>confpackage.ads <<CF_EOF
2995 package ConfPackage is
2999 cat >>confpackage.adb <<CF_EOF
3001 package body ConfPackage is
3002 procedure conftest is
3004 Text_IO.Put ("Hello World");
3009 if ( $cf_ada_make $ADAFLAGS \
3011 -XBUILD_DIR=`cd ../conftest.bin;pwd` \
3012 -XLIBRARY_DIR=`cd ../conftest.lib;pwd` \
3013 -XSOURCE_DIR=`pwd` \
3014 -XSONAME=libConfTest.so.1 \
3015 -XLIB_KIND=static 1>&AC_FD_CC 2>&1 ) ; then
3016 cf_gnat_projects=yes
3020 if test -f conftest.lib/confpackage.ali
3022 cf_gnat_libraries=yes
3024 rm -rf conftest* *~conftest*
3029 AC_MSG_RESULT($cf_gnat_projects)
3030 fi # enable_gnat_projects
3032 if test $cf_gnat_projects = yes
3034 AC_MSG_CHECKING(if GNAT supports libraries)
3035 AC_MSG_RESULT($cf_gnat_libraries)
3038 if test "$cf_gnat_projects" = yes
3040 USE_OLD_MAKERULES="#"
3041 USE_GNAT_PROJECTS=""
3043 USE_OLD_MAKERULES=""
3044 USE_GNAT_PROJECTS="#"
3047 if test "$cf_gnat_libraries" = yes
3049 USE_GNAT_LIBRARIES=""
3051 USE_GNAT_LIBRARIES="#"
3054 AC_SUBST(USE_OLD_MAKERULES)
3055 AC_SUBST(USE_GNAT_PROJECTS)
3056 AC_SUBST(USE_GNAT_LIBRARIES)
3058 dnl ---------------------------------------------------------------------------
3059 dnl CF_GNAT_SIGINT version: 1 updated: 2011/03/27 20:07:59
3061 dnl Check if gnat supports SIGINT, and presumably tasking. For the latter, it
3062 dnl is noted that gnat may compile a tasking unit even for configurations which
3063 dnl fail at runtime.
3064 AC_DEFUN([CF_GNAT_SIGINT],[
3065 AC_CACHE_CHECK(if GNAT supports SIGINT,cf_cv_gnat_sigint,[
3066 CF_GNAT_TRY_LINK([with Ada.Interrupts.Names;
3070 pragma Warnings (Off); -- the next pragma exists since 3.11p
3071 pragma Unreserve_All_Interrupts;
3072 pragma Warnings (On);
3074 protected Process is
3076 function Continue return Boolean;
3077 pragma Attach_Handler (Stop, Ada.Interrupts.Names.SIGINT);
3079 Done : Boolean := False;
3083 [package body ConfTest is
3084 protected body Process is
3089 function Continue return Boolean is
3095 [cf_cv_gnat_sigint=yes],
3096 [cf_cv_gnat_sigint=no])])
3098 if test $cf_cv_gnat_sigint = yes ; then
3103 AC_SUBST(USE_GNAT_SIGINT)
3105 dnl ---------------------------------------------------------------------------
3106 dnl CF_GNAT_TRY_LINK version: 3 updated: 2011/03/19 14:47:45
3107 dnl ----------------
3108 dnl Verify that a test program compiles/links with GNAT.
3109 dnl $cf_ada_make is set to the program that compiles/links
3110 dnl $ADAFLAGS may be set to the GNAT flags.
3112 dnl $1 is the text of the spec
3113 dnl $2 is the text of the body
3114 dnl $3 is the shell command to execute if successful
3115 dnl $4 is the shell command to execute if not successful
3116 AC_DEFUN([CF_GNAT_TRY_LINK],
3118 rm -rf conftest* *~conftest*
3119 cat >>conftest.ads <<CF_EOF
3122 cat >>conftest.adb <<CF_EOF
3125 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
3126 ifelse($3,, :,[ $3])
3130 rm -rf conftest* *~conftest*
3132 dnl ---------------------------------------------------------------------------
3133 dnl CF_GNAT_TRY_RUN version: 5 updated: 2011/03/19 14:47:45
3135 dnl Verify that a test program compiles and runs with GNAT
3136 dnl $cf_ada_make is set to the program that compiles/links
3137 dnl $ADAFLAGS may be set to the GNAT flags.
3139 dnl $1 is the text of the spec
3140 dnl $2 is the text of the body
3141 dnl $3 is the shell command to execute if successful
3142 dnl $4 is the shell command to execute if not successful
3143 AC_DEFUN([CF_GNAT_TRY_RUN],
3145 rm -rf conftest* *~conftest*
3146 cat >>conftest.ads <<CF_EOF
3149 cat >>conftest.adb <<CF_EOF
3152 if ( $cf_ada_make $ADAFLAGS conftest 1>&AC_FD_CC 2>&1 ) ; then
3153 if ( ./conftest 1>&AC_FD_CC 2>&1 ) ; then
3154 ifelse($3,, :,[ $3])
3161 rm -rf conftest* *~conftest*
3163 dnl ---------------------------------------------------------------------------
3164 dnl CF_GNAT_VERSION version: 22 updated: 2019/12/31 08:53:54
3166 dnl $1 = cache variable to update
3167 dnl $2 = program name
3168 dnl Verify version of GNAT or related tool
3169 AC_DEFUN([CF_GNAT_VERSION],
3171 AC_CACHE_CHECK(for ifelse($2,,gnat,$2) version, cf_cv_gnat_version,[
3172 cf_cv_gnat_version=`ifelse($2,,${cf_ada_make:-gnatmake},$2) --version 2>&1 | \
3173 grep '[[0-9]].[[0-9]][[0-9]]*' |\
3174 sed -e '2,$d' -e 's/[[^0-9 \.]]//g' -e 's/^[[ ]]*//' -e 's/ .*//'`
3176 test -z "$cf_cv_gnat_version" && cf_cv_gnat_version=no
3177 ifelse($1,,,[eval $1=$cf_cv_gnat_version; unset cf_cv_gnat_version])
3179 dnl ---------------------------------------------------------------------------
3180 dnl CF_GNU_SOURCE version: 10 updated: 2018/12/10 20:09:41
3182 dnl Check if we must define _GNU_SOURCE to get a reasonable value for
3183 dnl _XOPEN_SOURCE, upon which many POSIX definitions depend. This is a defect
3184 dnl (or misfeature) of glibc2, which breaks portability of many applications,
3185 dnl since it is interwoven with GNU extensions.
3187 dnl Well, yes we could work around it...
3190 dnl $1 is the nominal value for _XOPEN_SOURCE
3191 AC_DEFUN([CF_GNU_SOURCE],
3193 cf_gnu_xopen_source=ifelse($1,,500,$1)
3195 AC_CACHE_CHECK(if this is the GNU C library,cf_cv_gnu_library,[
3196 AC_TRY_COMPILE([#include <sys/types.h>],[
3197 #if __GLIBC__ > 0 && __GLIBC_MINOR__ >= 0
3199 #elif __NEWLIB__ > 0 && __NEWLIB_MINOR__ >= 0
3202 # error not GNU C library
3204 [cf_cv_gnu_library=yes],
3205 [cf_cv_gnu_library=no])
3208 if test x$cf_cv_gnu_library = xyes; then
3210 # With glibc 2.19 (13 years after this check was begun), _DEFAULT_SOURCE
3211 # was changed to help a little. newlib incorporated the change about 4
3213 AC_CACHE_CHECK(if _DEFAULT_SOURCE can be used as a basis,cf_cv_gnu_library_219,[
3215 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
3216 AC_TRY_COMPILE([#include <sys/types.h>],[
3217 #if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 19) || (__GLIBC__ > 2)
3219 #elif (__NEWLIB__ == 2 && __NEWLIB_MINOR__ >= 4) || (__GLIBC__ > 3)
3222 # error GNU C library __GLIBC__.__GLIBC_MINOR__ is too old
3224 [cf_cv_gnu_library_219=yes],
3225 [cf_cv_gnu_library_219=no])
3229 if test "x$cf_cv_gnu_library_219" = xyes; then
3231 AC_CACHE_CHECK(if _XOPEN_SOURCE=$cf_gnu_xopen_source works with _DEFAULT_SOURCE,cf_cv_gnu_dftsrc_219,[
3232 CF_ADD_CFLAGS(-D_DEFAULT_SOURCE -D_XOPEN_SOURCE=$cf_gnu_xopen_source)
3235 #include <sys/types.h>
3237 #if (_XOPEN_SOURCE >= $cf_gnu_xopen_source) && (MB_LEN_MAX > 1)
3240 # error GNU C library is too old
3242 [cf_cv_gnu_dftsrc_219=yes],
3243 [cf_cv_gnu_dftsrc_219=no])
3245 test "x$cf_cv_gnu_dftsrc_219" = "xyes" || CPPFLAGS="$cf_save"
3247 cf_cv_gnu_dftsrc_219=maybe
3250 if test "x$cf_cv_gnu_dftsrc_219" != xyes; then
3252 AC_CACHE_CHECK(if we must define _GNU_SOURCE,cf_cv_gnu_source,[
3253 AC_TRY_COMPILE([#include <sys/types.h>],[
3254 #ifndef _XOPEN_SOURCE
3255 #error expected _XOPEN_SOURCE to be defined
3257 [cf_cv_gnu_source=no],
3258 [cf_save="$CPPFLAGS"
3259 CF_ADD_CFLAGS(-D_GNU_SOURCE)
3260 AC_TRY_COMPILE([#include <sys/types.h>],[
3261 #ifdef _XOPEN_SOURCE
3262 #error expected _XOPEN_SOURCE to be undefined
3264 [cf_cv_gnu_source=no],
3265 [cf_cv_gnu_source=yes])
3270 if test "$cf_cv_gnu_source" = yes
3272 AC_CACHE_CHECK(if we should also define _DEFAULT_SOURCE,cf_cv_default_source,[
3273 CF_APPEND_TEXT(CPPFLAGS,-D_GNU_SOURCE)
3274 AC_TRY_COMPILE([#include <sys/types.h>],[
3275 #ifdef _DEFAULT_SOURCE
3276 #error expected _DEFAULT_SOURCE to be undefined
3278 [cf_cv_default_source=no],
3279 [cf_cv_default_source=yes])
3281 if test "$cf_cv_default_source" = yes
3283 CF_APPEND_TEXT(CPPFLAGS,-D_DEFAULT_SOURCE)
3290 dnl ---------------------------------------------------------------------------
3291 dnl CF_GPP_LIBRARY version: 12 updated: 2015/04/17 21:13:04
3293 dnl If we're trying to use g++, test if libg++ is installed (a rather common
3294 dnl problem :-). If we have the compiler but no library, we'll be able to
3295 dnl configure, but won't be able to build the c++ demo program.
3296 AC_DEFUN([CF_GPP_LIBRARY],
3298 cf_cxx_library=unknown
3299 case $cf_cv_system_name in
3307 if test "$GXX" = yes; then
3308 AC_MSG_CHECKING([for lib$cf_gpp_libname])
3310 CF_ADD_LIB($cf_gpp_libname)
3312 #include <$cf_gpp_libname/builtin.h>
3314 [two_arg_error_handler_t foo2 = lib_error_handler],
3316 CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
3317 if test "$cf_gpp_libname" = cpp ; then
3318 AC_DEFINE(HAVE_GPP_BUILTIN_H,1,[Define to 1 if we have gpp builtin.h])
3320 AC_DEFINE(HAVE_GXX_BUILTIN_H,1,[Define to 1 if we have g++ builtin.h])
3323 #include <builtin.h>
3325 [two_arg_error_handler_t foo2 = lib_error_handler],
3327 CF_ADD_LIB($cf_gpp_libname,CXXLIBS)
3328 AC_DEFINE(HAVE_BUILTIN_H,1,[Define to 1 if we have builtin.h])],
3329 [cf_cxx_library=no])])
3331 AC_MSG_RESULT($cf_cxx_library)
3334 dnl ---------------------------------------------------------------------------
3335 dnl CF_GXX_VERSION version: 8 updated: 2017/02/11 14:48:57
3337 dnl Check for version of g++
3338 AC_DEFUN([CF_GXX_VERSION],[
3339 AC_REQUIRE([AC_PROG_CPP])
3341 if test "$GXX" = yes; then
3342 AC_MSG_CHECKING(version of ${CXX:-g++})
3343 GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
3344 if test -z "$GXX_VERSION"
3349 AC_MSG_RESULT($GXX_VERSION)
3352 dnl ---------------------------------------------------------------------------
3353 dnl CF_GXX_WARNINGS version: 9 updated: 2015/04/17 21:13:04
3355 dnl Check if the compiler supports useful warning options.
3357 dnl Most of gcc's options apply to g++, except:
3358 dnl -Wbad-function-cast
3359 dnl -Wmissing-declarations
3360 dnl -Wnested-externs
3362 dnl Omit a few (for now):
3366 dnl $1 is an optional list of g++ warning flags that a particular
3367 dnl application might want to use, e.g., "no-unused" for
3370 dnl If $with_ext_const is "yes", add a check for -Wwrite-strings
3372 AC_DEFUN([CF_GXX_WARNINGS],
3375 CF_INTEL_COMPILER(GXX,INTEL_CPLUSPLUS,CXXFLAGS)
3376 CF_CLANG_COMPILER(GXX,CLANG_CPLUSPLUS,CXXFLAGS)
3378 AC_REQUIRE([CF_GXX_VERSION])
3383 cat > conftest.$ac_ext <<EOF
3384 #line __oline__ "configure"
3385 int main(int argc, char *argv[[]]) { return (argv[[argc-1]] == 0) ; }
3388 if test "$INTEL_CPLUSPLUS" = yes
3390 # The "-wdXXX" options suppress warnings:
3391 # remark #1419: external declaration in primary source file
3392 # remark #1682: implicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
3393 # remark #1683: explicit conversion of a 64-bit integral type to a smaller integral type (potential portability problem)
3394 # remark #1684: conversion from pointer to same-sized integral type (potential portability problem)
3395 # remark #193: zero used for undefined preprocessing identifier
3396 # remark #593: variable "curs_sb_left_arrow" was set but never used
3397 # remark #810: conversion from "int" to "Dimension={unsigned short}" may lose significant bits
3398 # remark #869: parameter "tw" was never referenced
3399 # remark #981: operands are evaluated in unspecified order
3400 # warning #269: invalid format string conversion
3402 AC_CHECKING([for $CC warning options])
3403 cf_save_CXXFLAGS="$CXXFLAGS"
3404 EXTRA_CXXFLAGS="-Wall"
3417 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -$cf_opt"
3418 if AC_TRY_EVAL(ac_compile); then
3419 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
3420 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
3423 CXXFLAGS="$cf_save_CXXFLAGS"
3425 elif test "$GXX" = yes
3427 AC_CHECKING([for $CXX warning options])
3428 cf_save_CXXFLAGS="$CXXFLAGS"
3429 EXTRA_CXXFLAGS="-W -Wall"
3430 cf_gxx_extra_warnings=""
3431 test "$with_ext_const" = yes && cf_gxx_extra_warnings="Wwrite-strings"
3432 case "$GCC_VERSION" in
3436 cf_gxx_extra_warnings="$cf_gxx_extra_warnings Weffc++"
3443 Wignored-qualifiers \
3445 Woverloaded-virtual \
3453 Wundef $cf_gxx_extra_warnings $1
3455 CXXFLAGS="$cf_save_CXXFLAGS $EXTRA_CXXFLAGS -Werror -$cf_opt"
3456 if AC_TRY_EVAL(ac_compile); then
3457 test -n "$verbose" && AC_MSG_RESULT(... -$cf_opt)
3458 EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -$cf_opt"
3460 test -n "$verbose" && AC_MSG_RESULT(... no -$cf_opt)
3463 CXXFLAGS="$cf_save_CXXFLAGS"
3468 AC_SUBST(EXTRA_CXXFLAGS)
3470 dnl ---------------------------------------------------------------------------
3471 dnl CF_HASHED_DB version: 7 updated: 2015/04/18 08:56:57
3473 dnl Look for an instance of the Berkeley hashed database.
3475 dnl $1 = optional parameter, to specify install-prefix for the database.
3476 AC_DEFUN([CF_HASHED_DB],
3483 if test -d "$1" ; then
3484 CF_ADD_INCDIR($1/include)
3485 CF_ADD_LIBDIR($1/lib)
3489 AC_MSG_WARN(no such directory $1)
3492 CF_FIND_SUB_INCDIR($1)
3493 CF_FIND_SUB_LIBDIR($1)
3499 AC_CHECK_HEADER(db.h,[
3500 CF_HASHED_DB_VERSION
3501 if test "$cf_cv_hashed_db_version" = unknown ; then
3502 AC_MSG_ERROR(Cannot determine version of db)
3505 if test "$cf_cv_hashed_db_libs" = unknown ; then
3506 AC_MSG_ERROR(Cannot determine library for db)
3507 elif test "$cf_cv_hashed_db_libs" != default ; then
3508 CF_ADD_LIB($cf_cv_hashed_db_libs)
3512 AC_MSG_ERROR(Cannot find db.h)
3515 dnl ---------------------------------------------------------------------------
3516 dnl CF_HASHED_DB_LIBS version: 9 updated: 2010/05/29 16:31:02
3517 dnl -----------------
3518 dnl Given that we have the header and version for hashed database, find the
3519 dnl library information.
3520 AC_DEFUN([CF_HASHED_DB_LIBS],
3522 AC_CACHE_CHECK(for db libraries, cf_cv_hashed_db_libs,[
3523 cf_cv_hashed_db_libs=unknown
3524 for cf_db_libs in "" db$cf_cv_hashed_db_version db-$cf_cv_hashed_db_version db ''
3526 cf_save_libs="$LIBS"
3527 if test -n "$cf_db_libs"; then
3528 CF_ADD_LIB($cf_db_libs)
3530 CF_MSG_LOG(checking for library "$cf_db_libs")
3532 $ac_includes_default
3535 char *path = "/tmp/foo";
3536 #ifdef DB_VERSION_MAJOR
3537 #if DB_VERSION_MAJOR >= 4
3539 db_create(&result, NULL, 0);
3540 result->open(result,
3547 #elif DB_VERSION_MAJOR >= 3
3549 db_create(&result, NULL, 0);
3550 result->open(result,
3556 #elif DB_VERSION_MAJOR >= 2
3565 #endif /* DB_VERSION_MAJOR */
3567 DB *result = dbopen(path,
3573 ${cf_cv_main_return:-return}(result != 0)
3575 if test -n "$cf_db_libs" ; then
3576 cf_cv_hashed_db_libs=$cf_db_libs
3578 cf_cv_hashed_db_libs=default
3580 LIBS="$cf_save_libs"
3583 LIBS="$cf_save_libs"
3587 dnl ---------------------------------------------------------------------------
3588 dnl CF_HASHED_DB_VERSION version: 4 updated: 2014/04/12 16:47:01
3589 dnl --------------------
3590 dnl Given that we have the header file for hashed database, find the version
3592 AC_DEFUN([CF_HASHED_DB_VERSION],
3594 AC_CACHE_CHECK(for version of db, cf_cv_hashed_db_version,[
3595 cf_cv_hashed_db_version=unknown
3597 for cf_db_version in 1 2 3 4 5 6
3599 CF_MSG_LOG(checking for db version $cf_db_version)
3601 $ac_includes_default
3604 #ifdef DB_VERSION_MAJOR
3605 /* db2 (DB_VERSION_MAJOR=2) has also DB_VERSION_MINOR, tested with 7 */
3606 #if $cf_db_version == DB_VERSION_MAJOR
3612 #if $cf_db_version == 1
3613 /* ok: assuming this is DB 1.8.5 */
3619 cf_cv_hashed_db_version=$cf_db_version
3625 dnl ---------------------------------------------------------------------------
3626 dnl CF_HEADER_PATH version: 13 updated: 2015/04/15 19:08:48
3628 dnl Construct a search-list of directories for a nonstandard header-file
3631 dnl $1 = the variable to return as result
3632 dnl $2 = the package name
3633 AC_DEFUN([CF_HEADER_PATH],
3637 # collect the current set of include-directories from compiler flags
3638 cf_header_path_list=""
3639 if test -n "${CFLAGS}${CPPFLAGS}" ; then
3640 for cf_header_path in $CPPFLAGS $CFLAGS
3642 case $cf_header_path in
3644 cf_header_path=`echo ".$cf_header_path" |sed -e 's/^...//' -e 's,/include$,,'`
3645 CF_ADD_SUBDIR_PATH($1,$2,include,$cf_header_path,NONE)
3646 cf_header_path_list="$cf_header_path_list [$]$1"
3652 # add the variations for the package we are looking for
3653 CF_SUBDIR_PATH($1,$2,include)
3655 test "$includedir" != NONE && \
3656 test "$includedir" != "/usr/include" && \
3657 test -d "$includedir" && {
3658 test -d $includedir && $1="[$]$1 $includedir"
3659 test -d $includedir/$2 && $1="[$]$1 $includedir/$2"
3662 test "$oldincludedir" != NONE && \
3663 test "$oldincludedir" != "/usr/include" && \
3664 test -d "$oldincludedir" && {
3665 test -d $oldincludedir && $1="[$]$1 $oldincludedir"
3666 test -d $oldincludedir/$2 && $1="[$]$1 $oldincludedir/$2"
3669 $1="[$]$1 $cf_header_path_list"
3671 dnl ---------------------------------------------------------------------------
3672 dnl CF_HELP_MESSAGE version: 4 updated: 2019/12/31 08:53:54
3674 dnl Insert text into the help-message, for readability, from AC_ARG_WITH.
3675 AC_DEFUN([CF_HELP_MESSAGE],
3676 [CF_ACVERSION_CHECK(2.53,[],[
3677 AC_DIVERT_HELP($1)])dnl
3679 dnl ---------------------------------------------------------------------------
3680 dnl CF_INCLUDE_DIRS version: 10 updated: 2014/09/19 20:58:42
3682 dnl Construct the list of include-options according to whether we're building
3683 dnl in the source directory or using '--srcdir=DIR' option.
3684 AC_DEFUN([CF_INCLUDE_DIRS],
3686 if test "$srcdir" != "."; then
3687 CPPFLAGS="-I\${srcdir}/../include $CPPFLAGS"
3689 CPPFLAGS="-I../include $CPPFLAGS"
3690 if test "$srcdir" != "."; then
3691 CPPFLAGS="-I\${srcdir} $CPPFLAGS"
3693 CPPFLAGS="-I. $CPPFLAGS"
3696 dnl ---------------------------------------------------------------------------
3697 dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
3699 dnl prompt for/fill-in useful install-program options
3700 AC_DEFUN([CF_INSTALL_OPTS],
3706 dnl ---------------------------------------------------------------------------
3707 dnl CF_INSTALL_OPT_O version: 2 updated: 2015/05/15 19:45:35
3708 dnl ----------------
3709 dnl Almost all "install" programs default to the current user's ownership.
3710 dnl Almost - MINIX is an exception.
3711 AC_DEFUN([CF_INSTALL_OPT_O],
3713 AC_MSG_CHECKING(if install needs to be told about ownership)
3714 case `$ac_config_guess` in
3723 AC_MSG_RESULT($with_install_o)
3724 if test "x$with_install_o" = xyes
3726 INSTALL_OPT_O=`id root|sed -e 's/uid=[[0-9]]*(/ -o /' -e 's/gid=[[0-9]]*(/ -g /' -e 's/ [[^=[:space:]]][[^=[:space:]]]*=.*/ /' -e 's/)//g'`
3731 AC_SUBST(INSTALL_OPT_O)
3733 dnl ---------------------------------------------------------------------------
3734 dnl CF_INSTALL_OPT_P version: 1 updated: 2018/08/18 12:19:21
3735 dnl ----------------
3736 dnl Some install-programs accept a "-p" option to preserve file modification
3737 dnl timestamps. That can be useful as an install option, as well as a way to
3738 dnl avoid the need for ranlib after copying a static archive.
3739 AC_DEFUN([CF_INSTALL_OPT_P],
3741 : ${INSTALL:=install}
3742 AC_CACHE_CHECK(if install accepts -p option, cf_cv_install_p,[
3747 if $INSTALL -p conftest.in conftest.out 2>/dev/null
3749 if test -f conftest.out/conftest.in
3751 test conftest.in -nt conftest.out/conftest.in 2>conftest.err && \
3752 test conftest.out/conftest.in -nt conftest.in 2>conftest.err
3753 if test -s conftest.err
3768 dnl ---------------------------------------------------------------------------
3769 dnl CF_INSTALL_OPT_S version: 2 updated: 2018/08/18 12:19:21
3770 dnl ----------------
3771 dnl By default, we should strip executables which are installed, but leave the
3772 dnl ability to suppress that for unit-testing.
3773 AC_DEFUN([CF_INSTALL_OPT_S],
3775 AC_MSG_CHECKING(if you want to install stripped executables)
3776 CF_ARG_DISABLE(stripping,
3777 [ --disable-stripping do not strip (debug info) installed executables],
3778 [with_stripping=no],
3779 [with_stripping=yes])
3780 AC_MSG_RESULT($with_stripping)
3782 if test "$with_stripping" = yes
3788 AC_SUBST(INSTALL_OPT_S)
3790 dnl ---------------------------------------------------------------------------
3791 dnl CF_INTEL_COMPILER version: 7 updated: 2015/04/12 15:39:00
3792 dnl -----------------
3793 dnl Check if the given compiler is really the Intel compiler for Linux. It
3794 dnl tries to imitate gcc, but does not return an error when it finds a mismatch
3795 dnl between prototypes, e.g., as exercised by CF_MISSING_CHECK.
3797 dnl This macro should be run "soon" after AC_PROG_CC or AC_PROG_CPLUSPLUS, to
3798 dnl ensure that it is not mistaken for gcc/g++. It is normally invoked from
3799 dnl the wrappers for gcc and g++ warnings.
3801 dnl $1 = GCC (default) or GXX
3802 dnl $2 = INTEL_COMPILER (default) or INTEL_CPLUSPLUS
3803 dnl $3 = CFLAGS (default) or CXXFLAGS
3804 AC_DEFUN([CF_INTEL_COMPILER],[
3805 AC_REQUIRE([AC_CANONICAL_HOST])
3806 ifelse([$2],,INTEL_COMPILER,[$2])=no
3808 if test "$ifelse([$1],,[$1],GCC)" = yes ; then
3811 AC_MSG_CHECKING(if this is really Intel ifelse([$1],GXX,C++,C) compiler)
3812 cf_save_CFLAGS="$ifelse([$3],,CFLAGS,[$3])"
3813 ifelse([$3],,CFLAGS,[$3])="$ifelse([$3],,CFLAGS,[$3]) -no-gcc"
3815 #ifdef __INTEL_COMPILER
3819 ],[ifelse([$2],,INTEL_COMPILER,[$2])=yes
3820 cf_save_CFLAGS="$cf_save_CFLAGS -we147"
3822 ifelse([$3],,CFLAGS,[$3])="$cf_save_CFLAGS"
3823 AC_MSG_RESULT($ifelse([$2],,INTEL_COMPILER,[$2]))
3828 dnl ---------------------------------------------------------------------------
3829 dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
3831 dnl Check if we have either a function or macro for 'isascii()'.
3832 AC_DEFUN([CF_ISASCII],
3834 AC_MSG_CHECKING(for isascii)
3835 AC_CACHE_VAL(cf_cv_have_isascii,[
3836 AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
3837 [cf_cv_have_isascii=yes],
3838 [cf_cv_have_isascii=no])
3840 AC_MSG_RESULT($cf_cv_have_isascii)
3841 test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
3843 dnl ---------------------------------------------------------------------------
3844 dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
3846 dnl Add checks for large file support.
3847 AC_DEFUN([CF_LARGEFILE],[
3848 ifdef([AC_FUNC_FSEEKO],[
3850 if test "$enable_largefile" != no ; then
3853 # Normally we would collect these definitions in the config.h,
3854 # but (like _XOPEN_SOURCE), some environments rely on having these
3855 # defined before any of the system headers are included. Another
3856 # case comes up with C++, e.g., on AIX the compiler compiles the
3857 # header files by themselves before looking at the body files it is
3858 # told to compile. For ncurses, those header files do not include
3860 if test "$ac_cv_sys_large_files" != no
3862 CF_APPEND_TEXT(CPPFLAGS,-D_LARGE_FILES)
3864 if test "$ac_cv_sys_largefile_source" != no
3866 CF_APPEND_TEXT(CPPFLAGS,-D_LARGEFILE_SOURCE)
3868 if test "$ac_cv_sys_file_offset_bits" != no
3870 CF_APPEND_TEXT(CPPFLAGS,-D_FILE_OFFSET_BITS=$ac_cv_sys_file_offset_bits)
3873 AC_CACHE_CHECK(whether to use struct dirent64, cf_cv_struct_dirent64,[
3875 #pragma GCC diagnostic error "-Wincompatible-pointer-types"
3876 #include <sys/types.h>
3879 /* if transitional largefile support is setup, this is true */
3880 extern struct dirent64 * readdir(DIR *);
3881 struct dirent64 *x = readdir((DIR *)0);
3882 struct dirent *y = readdir((DIR *)0);
3886 [cf_cv_struct_dirent64=yes],
3887 [cf_cv_struct_dirent64=no])
3889 test "$cf_cv_struct_dirent64" = yes && AC_DEFINE(HAVE_STRUCT_DIRENT64,1,[Define to 1 if we have struct dirent64])
3893 dnl ---------------------------------------------------------------------------
3894 dnl CF_LDFLAGS_STATIC version: 12 updated: 2015/04/18 08:56:57
3895 dnl -----------------
3896 dnl Check for compiler/linker flags used to temporarily force usage of static
3897 dnl libraries. This depends on the compiler and platform. Use this to help
3898 dnl ensure that the linker picks up a given library based on its position in
3899 dnl the list of linker options and libraries.
3900 AC_DEFUN([CF_LDFLAGS_STATIC],[
3902 if test "$GCC" = yes ; then
3903 case $cf_cv_system_name in
3904 (OS/2*|os2*|aix[[4]]*|solaris2.1[[0-9]]|darwin*)
3908 (*) # normally, except when broken
3909 LDFLAGS_STATIC=-static
3910 LDFLAGS_SHARED=-dynamic
3914 case $cf_cv_system_name in
3915 (aix[[4-7]]*) # from ld manpage
3916 LDFLAGS_STATIC=-bstatic
3917 LDFLAGS_SHARED=-bdynamic
3919 (hpux*) # from ld manpage for hpux10.20, hpux11.11
3920 # We could also use just "archive" and "shared".
3921 LDFLAGS_STATIC=-Wl,-a,archive_shared
3922 LDFLAGS_SHARED=-Wl,-a,shared_archive
3924 (irix*) # from ld manpage IRIX64
3925 LDFLAGS_STATIC=-Bstatic
3926 LDFLAGS_SHARED=-Bdynamic
3928 (osf[[45]]*) # from ld manpage osf4.0d, osf5.1
3929 # alternative "-oldstyle_liblookup" (not in cc manpage)
3930 LDFLAGS_STATIC=-noso
3931 LDFLAGS_SHARED=-so_archive
3934 LDFLAGS_STATIC=-Bstatic
3935 LDFLAGS_SHARED=-Bdynamic
3940 if test -n "$LDFLAGS_STATIC" && test -n "$LDFLAGS_SHARED"
3942 AC_MSG_CHECKING(if linker supports switching between static/dynamic)
3945 cat >conftest.$ac_ext <<EOF
3946 #line __oline__ "configure"
3948 int cf_ldflags_static(FILE *fp) { return fflush(fp); }
3950 if AC_TRY_EVAL(ac_compile) ; then
3951 ( $AR $ARFLAGS libconftest.a conftest.o ) 2>&AC_FD_CC 1>/dev/null
3952 ( eval $RANLIB libconftest.a ) 2>&AC_FD_CC >/dev/null
3956 cf_save_LIBS="$LIBS"
3958 LIBS="$LDFLAGS_STATIC -L`pwd` -lconftest $LDFLAGS_DYNAMIC $LIBS"
3960 #line __oline__ "configure"
3962 int cf_ldflags_static(FILE *fp);
3964 return cf_ldflags_static(stdin);
3966 # some linkers simply ignore the -dynamic
3967 case x`file conftest$ac_exeext 2>/dev/null` in
3969 cf_ldflags_static=no
3972 cf_ldflags_static=yes
3975 ],[cf_ldflags_static=no])
3978 LIBS="$cf_save_LIBS"
3980 AC_MSG_RESULT($cf_ldflags_static)
3982 if test $cf_ldflags_static != yes
3992 AC_SUBST(LDFLAGS_STATIC)
3993 AC_SUBST(LDFLAGS_SHARED)
3995 dnl ---------------------------------------------------------------------------
3996 dnl CF_LD_RPATH_OPT version: 8 updated: 2018/08/18 16:36:35
3998 dnl For the given system and compiler, find the compiler flags to pass to the
3999 dnl loader to use the "rpath" feature.
4000 AC_DEFUN([CF_LD_RPATH_OPT],
4002 AC_REQUIRE([CF_CHECK_CACHE])
4005 if test "x$cf_cv_enable_rpath" != xno
4007 AC_MSG_CHECKING(for an rpath option)
4008 case $cf_cv_system_name in
4010 if test "$GCC" = yes; then
4011 LD_RPATH_OPT="-Wl,-rpath,"
4013 LD_RPATH_OPT="-rpath "
4016 (linux*|gnu*|k*bsd*-gnu|freebsd*)
4017 LD_RPATH_OPT="-Wl,-rpath,"
4019 (openbsd[[2-9]].*|mirbsd*)
4020 LD_RPATH_OPT="-Wl,-rpath,"
4023 LD_RPATH_OPT="-rpath "
4026 LD_RPATH_OPT="-Wl,-rpath,"
4029 LD_RPATH_OPT="-rpath "
4037 AC_MSG_RESULT($LD_RPATH_OPT)
4039 case "x$LD_RPATH_OPT" in
4041 AC_MSG_CHECKING(if we need a space after rpath option)
4042 cf_save_LIBS="$LIBS"
4043 CF_ADD_LIBS(${LD_RPATH_OPT}$libdir)
4044 AC_TRY_LINK(, , cf_rpath_space=no, cf_rpath_space=yes)
4045 LIBS="$cf_save_LIBS"
4046 AC_MSG_RESULT($cf_rpath_space)
4047 test "$cf_rpath_space" = yes && LD_RPATH_OPT="$LD_RPATH_OPT "
4052 dnl ---------------------------------------------------------------------------
4053 dnl CF_LD_SEARCHPATH version: 2 updated: 2019/09/26 20:34:14
4054 dnl ----------------
4055 dnl Try to obtain the linker's search-path, for use in scripts.
4057 dnl Ignore LD_LIBRARY_PATH, etc.
4058 AC_DEFUN([CF_LD_SEARCHPATH],[
4059 AC_CACHE_CHECK(for linker search path,cf_cv_ld_searchpath,[
4061 if test "$cross_compiling" != yes ; then
4063 # GNU binutils' ld does not involve permissions which may stop ldconfig.
4064 cf_pathlist=`ld --verbose 2>/dev/null | grep SEARCH_DIR | sed -e 's,SEARCH_DIR[[("=]][[("=]]*,,g' -e 's/"[[)]];//gp' | sort -u`
4066 # The -NX options tell newer versions of Linux ldconfig to not attempt to
4067 # update the cache, which makes it run faster.
4068 test -z "$cf_pathlist" && \
4069 cf_pathlist=`ldconfig -NX -v 2>/dev/null | sed -e '/^[[ ]]/d' -e 's/:$//' | sort -u`
4071 test -z "$cf_pathlist" &&
4072 cf_pathlist=`ldconfig -v 2>/dev/null | sed -n -e '/^[[ ]]/d' -e 's/:$//p' | sort -u`
4074 # This works with OpenBSD 6.5, which lists only filenames
4075 test -z "$cf_pathlist" &&
4076 cf_pathlist=`ldconfig -v 2>/dev/null | sed -n -e 's,^Adding \(.*\)/.*[$],\1,p' | sort -u`
4078 if test -z "$cf_pathlist"
4080 # dyld default path with MacOS
4081 if test -f /usr/bin/otool && test "x`uname -s`" = xDarwin
4083 # do this to bypass check
4084 cf_cv_ld_searchpath='$HOME/lib'
4085 cf_pathlist="/usr/local/lib /lib /usr/lib"
4089 if test -z "$cf_pathlist"
4091 # Solaris is hardcoded
4092 if test -d /opt/SUNWspro/lib
4094 cf_pathlist="/opt/SUNWspro/lib /usr/ccs/lib /usr/lib"
4095 elif test -d /usr/ccs/lib
4097 cf_pathlist="/usr/ccs/lib /usr/lib"
4103 # If nothing else, assume it is conventional
4104 test -z "$cf_pathlist" && cf_pathlist="/usr/lib /lib"
4106 # Finally, check that this is only directories
4107 for cf_path in [$]0 $cf_pathlist
4109 if test -d "$cf_path"; then
4110 test -n "$cf_cv_ld_searchpath" && cf_cv_ld_searchpath="${cf_cv_ld_searchpath} "
4111 cf_cv_ld_searchpath="${cf_cv_ld_searchpath}${cf_path}"
4115 # Ensure that it is nonempty
4116 test -z "$cf_cv_ld_searchpath" && cf_cv_ld_searchpath=/usr/lib
4119 LD_SEARCHPATH=`echo "$cf_cv_ld_searchpath"|sed -e 's/ /|/g'`
4120 AC_SUBST(LD_SEARCHPATH)
4122 dnl ---------------------------------------------------------------------------
4123 dnl CF_LIBRARY_PATH version: 10 updated: 2015/04/15 19:08:48
4125 dnl Construct a search-list of directories for a nonstandard library-file
4128 dnl $1 = the variable to return as result
4129 dnl $2 = the package name
4130 AC_DEFUN([CF_LIBRARY_PATH],
4133 cf_library_path_list=""
4134 if test -n "${LDFLAGS}${LIBS}" ; then
4135 for cf_library_path in $LDFLAGS $LIBS
4137 case $cf_library_path in
4139 cf_library_path=`echo ".$cf_library_path" |sed -e 's/^...//' -e 's,/lib$,,'`
4140 CF_ADD_SUBDIR_PATH($1,$2,lib,$cf_library_path,NONE)
4141 cf_library_path_list="$cf_library_path_list [$]$1"
4147 CF_SUBDIR_PATH($1,$2,lib)
4149 $1="$cf_library_path_list [$]$1"
4151 dnl ---------------------------------------------------------------------------
4152 dnl CF_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
4153 dnl ------------------
4154 AC_DEFUN([CF_LIBTOOL_VERSION],[
4155 if test -n "$LIBTOOL" && test "$LIBTOOL" != none
4157 cf_cv_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' |sed -e '2,$d' -e 's/([[^)]]*)//g' -e 's/^[[^1-9]]*//' -e 's/[[^0-9.]].*//'`
4159 cf_cv_libtool_version=
4161 test -z "$cf_cv_libtool_version" && unset cf_cv_libtool_version
4163 dnl ---------------------------------------------------------------------------
4164 dnl CF_LIB_PREFIX version: 13 updated: 2020/04/04 10:11:47
4166 dnl Compute the library-prefix for the given host system
4167 dnl $1 = variable to set
4168 define([CF_LIB_PREFIX],
4170 case $cf_cv_system_name in
4172 if test "$DFT_LWR_MODEL" = libtool; then
4181 (*) LIB_PREFIX='lib'
4184 ifelse($1,,,[$1=$LIB_PREFIX])
4185 AC_SUBST(LIB_PREFIX)
4187 dnl ---------------------------------------------------------------------------
4188 dnl CF_LIB_RULES version: 90 updated: 2020/04/04 10:11:47
4190 dnl Append definitions and rules for the given models to the subdirectory
4191 dnl Makefiles, and the recursion rule for the top-level Makefile. If the
4192 dnl subdirectory is a library-source directory, modify the Libs_To_Make list in
4193 dnl the corresponding makefile to list the models that we'll generate.
4195 dnl For shared libraries, make a list of symbolic links to construct when
4196 dnl generating each library. The convention used for Linux is the simplest
4199 dnl lib<name>.so.<major> ->
4200 dnl lib<name>.so.<maj>.<minor>
4202 dnl Note: Libs_To_Make is mixed case, since it is not a pure autoconf variable.
4203 AC_DEFUN([CF_LIB_RULES],
4205 cf_prefix=$LIB_PREFIX
4206 AC_REQUIRE([CF_SUBST_NCURSES_VERSION])
4208 case $cf_cv_shlib_version in
4209 (cygdll|msysdll|mingw|msvcdll)
4210 TINFO_NAME=$TINFO_ARG_SUFFIX
4215 if test -n "$TINFO_SUFFIX" ; then
4216 case $TINFO_SUFFIX in
4218 TINFO_NAME="${TINFO_NAME}tw${EXTRA_SUFFIX}"
4219 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^tw'$EXTRA_SUFFIX'//'`
4222 TINFO_NAME="${TINFO_NAME}t${EXTRA_SUFFIX}"
4223 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^t'$EXTRA_SUFFIX'//'`
4226 TINFO_NAME="${TINFO_NAME}w${EXTRA_SUFFIX}"
4227 TINFO_SUFFIX=`echo $TINFO_SUFFIX | sed 's/^w'$EXTRA_SUFFIX'//'`
4232 for cf_dir in $SRC_SUBDIRS
4234 if test ! -d $srcdir/$cf_dir ; then
4236 elif test -f $srcdir/$cf_dir/modules; then
4241 if test -n "${cf_cv_abi_version}" && test "x${cf_cv_abi_version}" != "x5"
4243 cf_awk_program="$cf_awk_program\
4244 /deprecated in ABI${cf_cv_abi_version}/ { next; }\
4245 { sub(\"NCURSES([[WT]]+)?\", \"&${cf_cv_abi_version}\"); }\
4249 if test "x$WILDCARD_SYMS" = xno
4251 cf_awk_program="$cf_awk_program\
4252 /[[ ]]_\\*;/ { skip=1; next; }\
4256 if test "x$cf_awk_program" != "x"
4258 cat >>$cf_dir/Makefile <<CF_EOF
4260 # Generated by CF_LIB_RULES
4261 resulting.map: $UNALTERED_SYMS
4262 $AWK 'BEGIN { skip = 1; last=""; } \
4264 { if ( last != "" && ( skip == 0 || \[$]\[$]0 !~ /}/ ) ) { print last; }\
4265 skip = 0; last = \[$]\[$]0; } \
4266 END { print last; }' < $UNALTERED_SYMS >\[$]@
4273 for cf_item in $cf_LIST_MODELS
4275 CF_LIB_SUFFIX($cf_item,cf_suffix,cf_depsuf)
4276 if test "$cf_dir" = "c++"
4278 CF_MAP_LIB_BASENAME(cf_libname,cxx)
4280 CF_MAP_LIB_BASENAME(cf_libname,$cf_dir)
4282 test -z "$cf_libname" && cf_libname="$cf_dir"
4283 if test $cf_item = shared ; then
4284 if test -n "${LIB_SUFFIX}"
4286 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
4288 cf_shared_suffix="$cf_suffix"
4290 if test "$cf_cv_do_symlinks" = yes ; then
4293 case "$cf_cv_shlib_version" in
4295 cf_version_name=REL_VERSION
4298 cf_version_name=ABI_VERSION
4302 if test -n "$cf_version_name"
4304 case "$cf_cv_system_name" in
4307 cf_suffix="${USE_LIB_SUFFIX}"'.${'$cf_version_name'}'"$cf_shared_suffix"
4310 cf_suffix="$cf_suffix"'.${'$cf_version_name'}'
4314 if test -n "${USE_LIB_SUFFIX}"
4316 cf_shared_suffix=`echo "$cf_suffix" | sed 's/^'"${USE_LIB_SUFFIX}"'//'`
4318 cf_shared_suffix="$cf_suffix"
4321 # cygwin needs import library, and has unique naming convention
4322 # use autodetected ${cf_prefix} for import lib and static lib, but
4323 # use 'cyg' prefix for shared lib.
4324 case $cf_cv_shlib_version in
4326 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
4327 cf_add_lib="../lib/cyg${cf_libname}${cf_cygsuf}"
4330 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
4331 cf_add_lib="../lib/msys-${cf_libname}${cf_cygsuf}"
4334 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
4335 cf_add_lib="../lib/lib${cf_libname}${cf_cygsuf}"
4338 cf_cygsuf=`echo "$cf_suffix" | sed -e 's/\.dll/\${ABI_VERSION}.dll/'`
4339 cf_add_lib="../lib/${cf_libname}${cf_cygsuf}"
4345 if test -n "$cf_add_lib"
4347 Libs_To_Make="$Libs_To_Make $cf_add_lib"
4351 cf_add_lib="../lib/${cf_prefix}${cf_libname}${cf_suffix}"
4352 Libs_To_Make="$Libs_To_Make $cf_add_lib"
4355 if test $cf_dir = ncurses ; then
4356 cf_subsets="$LIB_SUBSETS"
4357 cf_r_parts="$cf_subsets"
4358 cf_liblist="$Libs_To_Make"
4360 while test -n "$cf_r_parts"
4362 cf_l_parts=`echo "$cf_r_parts" |sed -e 's/ .*$//'`
4363 cf_r_parts=`echo "$cf_r_parts" |sed -e 's/^[[^ ]]* //'`
4364 if test "$cf_l_parts" != "$cf_r_parts" ; then
4368 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TINFO_LIB_SUFFIX}%g`
4371 cf_add_lib=`echo $cf_liblist |sed -e s%${LIB_NAME}${USE_LIB_SUFFIX}%${TICS_LIB_SUFFIX}%g`
4377 if test -n "$cf_add_lib"; then