dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.1030 2023/02/18 22:45:17 tom Exp $
+dnl $Id: aclocal.m4,v 1.1062 2023/12/04 00:39:37 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ABI_DEFAULTS version: 4 updated: 2023/01/07 16:32:06
+dnl CF_ABI_DEFAULTS version: 5 updated: 2023/10/21 08:54:23
dnl ---------------
dnl Provide configure-script defaults for different ncurses ABIs.
AC_DEFUN([CF_ABI_DEFAULTS],[
cf_dft_ordinate_type=short
cf_dft_signed_char=no
cf_dft_tparm_arg=long
+cf_dft_widec=no
cf_dft_with_lp64=no
-# ABI 6 defaults:
+# ABI 6 default differences from ABI 5:
case x$cf_cv_abi_default in
(x[[6789]])
cf_dft_chtype=uint32_t
cf_dft_filter_syms=yes
cf_dft_interop=yes
cf_dft_mmask_t=uint32_t
+ cf_dft_opaque_curses=yes
cf_dft_tparm_arg=intptr_t
+ cf_dft_widec=yes
cf_dft_with_lp64=yes
;;
esac
-# ABI 7 defaults:
+# ABI 7 default differences from ABI 6:
case x$cf_cv_abi_default in
(x[[789]])
cf_dft_ccharw_max=6
cf_dft_mmask_t=uint64_t
- cf_dft_opaque_curses=yes
cf_dft_ordinate_type=int
cf_dft_signed_char=yes
# also: remove the wgetch-events feature in ABI 7
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_BOOL_DECL version: 8 updated: 2004/01/30 15:51:18
+dnl CF_BOOL_DECL version: 9 updated: 2023/12/03 09:21:34
dnl ------------
dnl Test if 'bool' is a builtin type in the configured C++ compiler. Some
dnl older compilers (e.g., gcc 2.5.8) don't support 'bool' directly; gcc
AC_MSG_CHECKING(if we should include stdbool.h)
AC_CACHE_VAL(cf_cv_header_stdbool_h,[
- AC_TRY_COMPILE([],[bool foo = false],
+ AC_TRY_COMPILE([],[bool foo = false; (void)foo],
[cf_cv_header_stdbool_h=0],
[AC_TRY_COMPILE([
#ifndef __BEOS__
#include <stdbool.h>
#endif
-],[bool foo = false],
+],[bool foo = false; (void)foo],
[cf_cv_header_stdbool_h=1],
[cf_cv_header_stdbool_h=0])])])
AC_TRY_COMPILE([
#include <stdio.h>
#include <sys/types.h>
-],[bool x = false],
+],[bool x = false; (void)x],
[ifelse($1,,cf_cv_builtin_bool,[$1])=1],
[ifelse($1,,cf_cv_builtin_bool,[$1])=0])
])
AC_SUBST(STDC_NORETURN)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
+dnl CF_CC_ENV_FLAGS version: 11 updated: 2023/02/20 11:15:46
dnl ---------------
dnl Check for user's environment-breakage by stuffing CFLAGS/CPPFLAGS content
dnl into CC. This will not help with broken scripts that wrap the compiler
AC_MSG_WARN(your environment uses the CC variable to hold CFLAGS/CPPFLAGS options)
# humor him...
cf_prog=`echo "$CC" | sed -e 's/ / /g' -e 's/[[ ]]* / /g' -e 's/[[ ]]*[[ ]]-[[^ ]].*//'`
- cf_flags=`echo "$CC" | ${AWK:-awk} -v prog="$cf_prog" '{ printf("%s", [substr]([$]0,1+length(prog))); }'`
+ cf_flags=`echo "$CC" | sed -e "s%^$cf_prog%%"`
CC="$cf_prog"
for cf_arg in $cf_flags
do
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_GETENV version: 3 updated: 2023/01/05 17:47:56
+dnl CF_CHECK_GETENV version: 4 updated: 2023/12/03 10:18:09
dnl ---------------
dnl Check if repeated getenv calls return the same pointer, e.g., it does not
dnl discard the previous pointer when returning a new one.
}
}
} while (found);
- sprintf(value, "%lu:%p", (unsigned long) k, &mynames[j]);
+ sprintf(value, "%lu:%p", (unsigned long) k, (void*)&mynames[j]);
set_value(name, value);
mynames[j] = str_alloc(name);
myvalues[j] = str_alloc(value);
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_WCHAR_H version: 4 updated: 2023/02/18 17:41:25
+dnl CF_CHECK_WCHAR_H version: 5 updated: 2023/12/03 09:21:34
dnl ----------------
dnl Check if wchar.h can be used, i.e., without defining _XOPEN_SOURCE_EXTENDED
AC_DEFUN([CF_CHECK_WCHAR_H],[
#endif
],[
wint_t foo = 0;
- int bar = iswpunct(foo)],
+ int bar = iswpunct(foo); (void) bar],
[cf_cv_wchar_h_okay=yes],
[cf_cv_wchar_h_okay=no])])
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_WCWIDTH_GRAPHICS version: 3 updated: 2023/01/05 18:01:30
+dnl CF_CHECK_WCWIDTH_GRAPHICS version: 4 updated: 2023/12/03 10:17:07
dnl -------------------------
dnl Most "modern" terminal emulators are based to some degree on VT100, and
dnl should support line-drawing. Even with Unicode. There is a problem.
main(void)
{
FILE *fp;
- int value;
+ unsigned value;
char buffer[MY_LEN + 1];
char notes[MY_LEN + 1];
int totals = 0;
fprintf(stderr, "\\t%s", buffer);
} else if (sscanf(buffer, "%x %s", &value, notes) == 2) {
++totals;
- if (wcwidth(value) == 1)
+ if (wcwidth((int)value) == 1)
++passed;
- fprintf(stderr, "%d\\t%s", wcwidth(value), buffer);
+ fprintf(stderr, "%d\\t%s", wcwidth((int)value), buffer);
} else {
fprintf(stderr, "?\\t%s", buffer);
}
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_CONST_X_STRING version: 7 updated: 2021/06/07 17:39:17
+dnl CF_CONST_X_STRING version: 8 updated: 2023/12/01 17:22:50
dnl -----------------
dnl The X11R4-X11R6 Xt specification uses an ambiguous String type for most
dnl character-strings.
AC_CACHE_CHECK(for X11/Xt const-feature,cf_cv_const_x_string,[
AC_TRY_COMPILE(
[
+#undef _CONST_X_STRING
#define _CONST_X_STRING /* X11R7.8 (perhaps) */
#undef XTSTRINGDEFINES /* X11R5 and later */
#include <stdlib.h>
CF_CHECK_ERRNO(errno)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ETIP_DEFINES version: 6 updated: 2021/01/02 17:09:14
+dnl CF_ETIP_DEFINES version: 7 updated: 2023/10/28 11:59:01
dnl ---------------
dnl Test for conflicting definitions of exception in gcc 2.8.0, etc., between
dnl math.h and builtin.h, only for ncurses
],[])
done
done
-AC_MSG_RESULT($cf_result)
+AC_MSG_RESULT([${cf_result:-(none)}])
CXXFLAGS="$cf_save_CXXFLAGS"
])
dnl ---------------------------------------------------------------------------
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_GETTIME version: 1 updated: 2023/02/18 17:41:25
+dnl CF_FUNC_GETTIME version: 2 updated: 2023/02/25 08:45:56
dnl ---------------
+dnl Check for gettimeofday or clock_gettime. In 2023, the former is still more
+dnl widely supported, but "deprecated" (2008), so we will use the latter if it
+dnl is available, to reduce compiler warnings.
AC_DEFUN([CF_FUNC_GETTIME],[
+AC_CACHE_CHECK(for clock_gettime,cf_cv_func_clock_gettime,[
+ AC_TRY_LINK([#include <time.h>],
+ [struct timespec ts;
+ int rc = clock_gettime(CLOCK_REALTIME, &ts); (void) rc; (void)ts],
+ [cf_cv_func_clock_gettime=yes],
+ [cf_cv_func_clock_gettime=no])
+])
+
+if test "$cf_cv_func_clock_gettime" = yes
+then
+ AC_DEFINE(HAVE_CLOCK_GETTIME,1,[Define to 1 if we have clock_gettime function])
+else
AC_CHECK_FUNC(gettimeofday,
AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function]),[
AC_CHECK_LIB(bsd, gettimeofday,
AC_DEFINE(HAVE_GETTIMEOFDAY,1,[Define to 1 if we have gettimeofday function])
CF_ADD_LIB(bsd))])dnl CLIX: bzero, select, gettimeofday
+fi
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_FUNC_GETTTYNAM version: 2 updated: 2023/01/05 18:06:28
test "$cf_cv_func_nanosleep" = "yes" && AC_DEFINE(HAVE_NANOSLEEP,1,[Define to 1 if we have nanosleep()])
])
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_OPENPTY version: 6 updated: 2021/01/01 13:31:04
+dnl CF_FUNC_OPENPTY version: 7 updated: 2023/12/03 09:21:34
dnl ---------------
dnl Check for openpty() function, along with <pty.h> header. It may need the
dnl "util" library as well.
],[
int x = openpty((int *)0, (int *)0, (char *)0,
(struct termios *)0, (struct winsize *)0);
+ (void)x;
],[
cf_cv_func_openpty=$cf_header
break
test "$cf_cv_have_tcgetattr" = yes && AC_DEFINE(HAVE_TCGETATTR,1,[Define to 1 if we have tcgetattr])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_FUNC_VSSCANF version: 7 updated: 2021/01/01 13:31:04
+dnl CF_FUNC_VSSCANF version: 8 updated: 2023/12/03 19:09:59
dnl ---------------
dnl Check for vsscanf() function, which is in c9x but generally not in earlier
-dnl versions of C. It is in the GNU C library, and can often be simulated by
-dnl other functions.
+dnl versions of C. It can often be simulated by other functions on older
+dnl systems (where FILE is not opaque).
AC_DEFUN([CF_FUNC_VSSCANF],
[
AC_CACHE_CHECK(for vsscanf function or workaround,cf_cv_func_vsscanf,[
AC_TRY_LINK([
#include <stdarg.h>
-#include <stdio.h>],[
+#include <stdio.h>
+
+static void
+myfunc(const char *str, const char *fmt, ...)
+{
va_list ap;
- vsscanf("from", "%d", ap)],[cf_cv_func_vsscanf=vsscanf],[
+ va_start(ap, fmt);
+ vsscanf(str, fmt, ap);
+ va_end(ap);
+}
+],[
+ myfunc("55", "%d");
+],[cf_cv_func_vsscanf=vsscanf],[
AC_TRY_LINK([
#include <stdarg.h>
#include <stdio.h>],[
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GCC_VERSION version: 8 updated: 2019/09/07 13:38:36
+dnl CF_GCC_VERSION version: 9 updated: 2023/03/05 14:30:13
dnl --------------
dnl Find version of gcc, and (because icc/clang pretend to be gcc without being
dnl compatible), attempt to determine if icc/clang is actually used.
GCC_VERSION=none
if test "$GCC" = yes ; then
AC_MSG_CHECKING(version of $CC)
- GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^.*(GCC[[^)]]*) //' -e 's/^.*(Debian[[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ GCC_VERSION="`${CC} --version 2>/dev/null | sed -e '2,$d' -e 's/^[[^(]]*([[^)]][[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
test -z "$GCC_VERSION" && GCC_VERSION=unknown
AC_MSG_RESULT($GCC_VERSION)
fi
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_GXX_VERSION version: 8 updated: 2017/02/11 14:48:57
+dnl CF_GXX_VERSION version: 9 updated: 2023/03/05 14:30:13
dnl --------------
dnl Check for version of g++
AC_DEFUN([CF_GXX_VERSION],[
GXX_VERSION=none
if test "$GXX" = yes; then
AC_MSG_CHECKING(version of ${CXX:-g++})
- GXX_VERSION="`${CXX:-g++} --version| sed -e '2,$d' -e 's/^.*(GCC) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
+ GXX_VERSION="`${CXX:-g++} --version 2>/dev/null | sed -e '2,$d' -e 's/^[[^(]]*([[^)]][[^)]]*) //' -e 's/^[[^0-9.]]*//' -e 's/[[^0-9.]].*//'`"
if test -z "$GXX_VERSION"
then
GXX_VERSION=unknown
AC_SUBST(CPPFLAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_INSTALL_OPTS version: 2 updated: 2018/08/18 12:19:21
+dnl CF_INSTALL_OPTS version: 3 updated: 2023/06/03 15:17:30
dnl ---------------
dnl prompt for/fill-in useful install-program options
AC_DEFUN([CF_INSTALL_OPTS],
CF_INSTALL_OPT_S
CF_INSTALL_OPT_P
CF_INSTALL_OPT_O
+CF_INSTALL_OPT_STRIP_PROG
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_INSTALL_OPT_O version: 3 updated: 2020/12/31 20:19:42
AC_SUBST(INSTALL_OPT_S)
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_INSTALL_OPT_STRIP_PROG version: 1 updated: 2023/06/03 15:17:30
+dnl -------------------------
+dnl Provide an option for overriding the strip program used in install "-s"
+dnl
+dnl coreutils install provides a --strip-program option
+dnl FreeBSD uses STRIPBIN environment variable, while NetBSD and OpenBSD use
+dnl STRIP environment variable. Other versions of install do not support this.
+AC_DEFUN([CF_INSTALL_OPT_STRIP_PROG],
+[
+AC_REQUIRE([CF_INSTALL_OPT_S])
+if test -n "$INSTALL_OPT_S"
+then
+ AC_MSG_CHECKING(if you want to specify strip-program)
+ AC_ARG_WITH(strip-program,
+ [ --with-strip-program=XX specify program to use when stripping in install],
+ [with_strip_program=$withval],
+ [with_strip_program=no])
+ AC_MSG_RESULT($with_strip_program)
+ if test "$with_strip_program" != no
+ then
+ AC_MSG_CHECKING(if strip-program is supported with this installer)
+ cf_install_program=`echo "$INSTALL" | sed -e 's%[[ ]]*[[ ]]-.%%'`
+ check_install_strip=no
+ if test -f "$cf_install_program"
+ then
+ check_install_version=`"$cf_install_program" --version 2>/dev/null | head -n 1 | grep coreutils`
+ if test -n "$check_install_version"
+ then
+ check_install_strip="option"
+ else
+ for check_strip_variable in STRIPBIN STRIP
+ do
+ if strings "$cf_install_program" | grep "^$check_strip_variable[$]" >/dev/null
+ then
+ check_install_strip="environ"
+ break
+ fi
+ done
+ fi
+ fi
+ AC_MSG_RESULT($check_install_strip)
+ case "$check_install_strip" in
+ (no)
+ AC_MSG_WARN($cf_install_program does not support strip program option)
+ with_strip_program=no
+ ;;
+ (environ)
+ cat >install.tmp <<-CF_EOF
+ #! $SHELL
+ STRIPBIN="$with_strip_program" \\
+ STRIP="$with_strip_program" \\
+ $INSTALL "[$]@"
+ CF_EOF
+ INSTALL="`pwd`/install.tmp"
+ chmod +x "$INSTALL"
+ CF_VERBOSE(created $INSTALL)
+ ;;
+ (option)
+ INSTALL_OPT_S="$INSTALL_OPT_S --strip-program=\"$with_strip_program\""
+ ;;
+ esac
+ fi
+fi
+AC_SUBST(INSTALL_OPT_S)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_INTEL_COMPILER version: 9 updated: 2023/02/18 17:41:25
dnl -----------------
dnl Check if the given compiler is really the Intel compiler for Linux. It
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_ISASCII version: 4 updated: 2012/10/06 17:56:13
+dnl CF_ISASCII version: 5 updated: 2023/12/03 09:21:34
dnl ----------
dnl Check if we have either a function or macro for 'isascii()'.
AC_DEFUN([CF_ISASCII],
[
AC_MSG_CHECKING(for isascii)
AC_CACHE_VAL(cf_cv_have_isascii,[
- AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' ')],
+ AC_TRY_LINK([#include <ctype.h>],[int x = isascii(' '); (void)x],
[cf_cv_have_isascii=yes],
[cf_cv_have_isascii=no])
])dnl
test "$cf_cv_have_isascii" = yes && AC_DEFINE(HAVE_ISASCII,1,[Define to 1 if we have isascii()])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LARGEFILE version: 12 updated: 2020/03/19 20:23:48
+dnl CF_LARGEFILE version: 13 updated: 2023/12/03 19:09:59
dnl ------------
dnl Add checks for large file support.
AC_DEFUN([CF_LARGEFILE],[
#pragma GCC diagnostic error "-Wincompatible-pointer-types"
#include <sys/types.h>
#include <dirent.h>
+
+#ifndef __REDIRECT
+/* if transitional largefile support is setup, this is true */
+extern struct dirent64 * readdir(DIR *);
+#endif
],[
- /* if transitional largefile support is setup, this is true */
- extern struct dirent64 * readdir(DIR *);
- struct dirent64 *x = readdir((DIR *)0);
- struct dirent *y = readdir((DIR *)0);
+ DIR *dp = opendir(".");
+ struct dirent64 *x = readdir(dp);
+ struct dirent *y = readdir(dp);
int z = x - y;
(void)z;
],
AC_SUBST(LIB_PREFIX)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LIB_RULES version: 98 updated: 2023/01/07 16:32:06
+dnl CF_LIB_RULES version: 100 updated: 2023/06/03 15:17:30
dnl ------------
dnl Append definitions and rules for the given models to the subdirectory
dnl Makefiles, and the recursion rule for the top-level Makefile. If the
distclean ::
rm -f config.cache config.log config.status Makefile include/ncurses_cfg.h
rm -f headers.sh headers.sed mk_shared_lib.sh
- rm -f edit_man.* man_alias.*
+ rm -f edit_man.* man_alias.* *.tmp
rm -rf \${DIRS_TO_MAKE}
CF_EOF
-# Special case: tack's manpage lives in its own directory.
-if test "x$cf_with_manpages" = xyes; then
-if test "x$cf_with_tack" = "xyes"; then
-cat >> Makefile <<CF_EOF
-
-install.man \\
-uninstall.man ::
- ( cd tack && \${MAKE} \${TOP_MFLAGS} \[$]@ )
-CF_EOF
-fi
-fi
-
dnl If we're installing into a subdirectory of /usr/include, etc., we should
dnl prepend the subdirectory's name to the "#include" paths. It won't hurt
dnl anything, and will make it more standardized. It's awkward to decide this
test -n "$LIB_SUFFIX" && $2="${LIB_SUFFIX}[$]{$2}"
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LINK_DATAONLY version: 13 updated: 2020/02/08 15:59:30
+dnl CF_LINK_DATAONLY version: 15 updated: 2023/12/03 10:03:10
dnl ----------------
dnl Some systems have a non-ANSI linker that doesn't pull in modules that have
dnl only data (i.e., no functions), for example NeXT. On those systems we'll
rm -f conftest.$ac_ext data.o
cat >conftest.$ac_ext <<EOF
#line __oline__ "configure"
+extern int testfunc(void);
+#if defined(NeXT)
int testfunc(void)
{
-#if defined(NeXT)
${cf_cv_main_return:-return}(1); /* I'm told this linker is broken */
+}
#else
- extern int testdata[[3]];
+extern int testdata[[3]];
+int testfunc(void)
+{
return testdata[[0]] == 123
&& testdata[[1]] == 456
&& testdata[[2]] == 789;
-#endif
}
+#endif
EOF
if AC_TRY_EVAL(ac_compile); then
mv conftest.o func.o && \
cf_saveLIBS="$LIBS"
LIBS="conftest.a $LIBS"
AC_TRY_RUN([
+ extern int testfunc(void);
int main(void)
{
- extern int testfunc();
${cf_cv_main_return:-return} (!testfunc());
}
],
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LINK_FUNCS version: 12 updated: 2023/01/05 17:51:41
+dnl CF_LINK_FUNCS version: 13 updated: 2023/12/03 09:24:04
dnl -------------
dnl Most Unix systems have both link and symlink, a few don't have symlink.
dnl A few non-Unix systems implement symlink, but not link.
int main(void)
{
int fail = 0;
- char *src = "conftest.tmp";
- char *dst = "conftest.chk";
+ char src[] = "conftest.tmp";
+ char dst[] = "conftest.chk";
struct stat src_sb, dst_sb;
FILE *fp = fopen(src, "w");
if (fp == 0) { fail = 3; } else {
AC_SUBST(MAKE_LOWER_TAGS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MANPAGE_FORMAT version: 17 updated: 2023/01/21 16:49:25
+dnl CF_MANPAGE_FORMAT version: 18 updated: 2023/05/19 18:35:02
dnl -----------------
dnl Option to allow user to override automatic configuration of manpage format.
dnl There are several special cases:
esac
done
+AC_SUBST(cf_manpage_format)
+AC_SUBST(cf_manpage_inboth)
+AC_SUBST(cf_manpage_so_strip)
+AC_SUBST(cf_manpage_compress)
+
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_MANPAGE_RENAMES version: 17 updated: 2022/10/23 07:46:29
AC_MSG_RESULT($MANPAGE_TBL)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MAN_PAGES version: 56 updated: 2023/01/21 16:49:25
+dnl CF_MAN_PAGES version: 58 updated: 2023/07/28 20:13:29
dnl ------------
dnl Try to determine if the man-pages on the system are compressed, and if
dnl so, what format is used. Use this information to construct a script that
NCURSES_OSPEED="$NCURSES_OSPEED"
TERMINFO="$TERMINFO"
+TERMINFO_DIRS="$TERMINFO_DIRS"
INSTALL="$INSTALL"
INSTALL_DATA="$INSTALL_DATA"
cat >>$cf_edit_man <<CF_EOF
suffix=\`basename "\$cf_target" | sed -e 's%^[[^.]]*%%'\`
+ extra_suffix=
+ if test -n "$EXTRA_SUFFIX" ; then
+ case \$cf_target in
+ (*${EXTRA_SUFFIX}\$suffix)
+ extra_suffix="$EXTRA_SUFFIX"
+ ;;
+ esac
+ fi
if test "\$verb" = installing ; then
echo "\$verb \$cf_target"
\$INSTALL_DATA \$TMP "\$cf_target"
if test "\$section" = 1 ; then
cf_alias=\`echo "\$cf_alias" |sed "\${transform}"\`
fi
+ cf_alias="\${cf_alias}\${extra_suffix}"
if test "$MANPAGE_SYMLINKS" = yes ; then
if test -f "\$cf_alias\${suffix}" ; then
if test "\$section" = 1 ; then
cf_alias=\`echo "\$cf_alias" |sed "\${transform}"\`
fi
+ cf_alias="\${cf_alias}\${extra_suffix}"
echo ".. \$verb alias \$cf_alias\${suffix}"
rm -f "\$cf_alias\${suffix}"
test "$cf_cv_mixedcase" = yes && AC_DEFINE(MIXEDCASE_FILENAMES,1,[Define to 1 if filesystem supports mixed-case filenames.])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_MKSTEMP version: 12 updated: 2023/01/05 17:53:11
+dnl CF_MKSTEMP version: 13 updated: 2023/12/01 17:22:50
dnl ----------
dnl Check for a working mkstemp. This creates two files, checks that they are
dnl successfully created and distinct (AmigaOS apparently fails on the last).
int main(void)
{
- char *tmpl = "conftestXXXXXX";
+ static char tmpl[] = "conftestXXXXXX";
char name[2][80];
int n;
int result = 0;
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_NUMBER_SYNTAX version: 2 updated: 2015/04/17 21:13:04
+dnl CF_NUMBER_SYNTAX version: 3 updated: 2023/05/06 16:14:29
dnl ----------------
-dnl Check if the given variable is a number. If not, report an error.
+dnl Check if the given variable is a positive integer. Report an error if not.
dnl $1 is the variable
dnl $2 is the message
AC_DEFUN([CF_NUMBER_SYNTAX],[
if test -n "$1" ; then
- case $1 in
- ([[0-9]]*)
+ case `echo "$1" | sed -e 's/^[[0-9]]*$/0/g'` in
+ (0)
;;
(*)
AC_MSG_ERROR($2 is not a number: $1)
esac
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_PKG_CONFIG version: 12 updated: 2021/10/10 20:18:09
+dnl CF_PKG_CONFIG version: 13 updated: 2023/10/28 11:59:01
dnl -------------
dnl Check for the package-config program, unless disabled by command-line.
dnl
[
AC_MSG_CHECKING(if you want to use pkg-config)
AC_ARG_WITH(pkg-config,
- [ --with-pkg-config{=path} enable/disable use of pkg-config],
+ [[ --with-pkg-config[=CMD] enable/disable use of pkg-config and its name CMD]],
[cf_pkg_config=$withval],
[cf_pkg_config=yes])
AC_MSG_RESULT($cf_pkg_config)
done
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SHARED_OPTS version: 107 updated: 2021/09/04 06:47:34
+dnl CF_SHARED_OPTS version: 109 updated: 2023/12/03 09:21:34
dnl --------------
dnl --------------
dnl Attempt to determine the appropriate CC/LD options for creating a shared
cf_ld_rpath_opt=
test "$cf_cv_enable_rpath" = yes && cf_ld_rpath_opt="$LD_RPATH_OPT"
- AC_MSG_CHECKING(if release/abi version should be used for shared libs)
+ AC_MSG_CHECKING(whether to use release or ABI version in shared library file names)
AC_ARG_WITH(shlib-version,
- [ --with-shlib-version=X Specify rel or abi version for shared libs],
+ [[ --with-shlib-version[={rel|abi}] use release or ABI version in shared library file names]],
[test -z "$withval" && withval=auto
case "$withval" in
(yes)
for CC_SHARED_OPTS in -fPIC -fpic ''
do
CFLAGS="$cf_save_CFLAGS $CC_SHARED_OPTS"
- AC_TRY_COMPILE([#include <stdio.h>],[int x = 1],[break],[])
+ AC_TRY_COMPILE([#include <stdio.h>],[int x = 1; (void)x],[break],[])
done
AC_MSG_RESULT($CC_SHARED_OPTS)
CFLAGS="$cf_save_CFLAGS"
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_SRC_MODULES version: 33 updated: 2021/01/01 13:31:04
+dnl CF_SRC_MODULES version: 34 updated: 2023/04/22 11:51:06
dnl --------------
dnl For each parameter, test if the source-directory exists, and if it contains
dnl a 'modules' file. If so, add to the list $cf_cv_src_modules which we'll
do
if test -f "$srcdir/$cf_dir/modules" ; then
- # We may/may not have tack in the distribution, though the
- # makefile is.
- if test "$cf_dir" = tack ; then
- if test "x$cf_with_tack" != "xyes"; then
- continue
- fi
- fi
-
if test -z "$cf_cv_src_modules"; then
cf_cv_src_modules=$cf_dir
else
# well. These are header files that are the same name as their
# directory. Ncurses is the only library that does not follow
# that pattern.
- if test "$cf_dir" = tack ; then
- continue
- elif test -f "$srcdir/${cf_dir}/${cf_dir}.h" ; then
+ if test -f "$srcdir/${cf_dir}/${cf_dir}.h" ; then
CF_UPPER(cf_have_include,$cf_dir)
AC_DEFINE_UNQUOTED(HAVE_${cf_have_include}_H)
AC_DEFINE_UNQUOTED(HAVE_LIB${cf_have_include})
AC_DEFUN([CF_STRIP_G_OPT],
[$1=`echo "${$1}" | CF__SED_TRIMBLANKS(-e 's%-g %%' -e 's%-g$%%')`])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_STRUCT_SIGACTION version: 5 updated: 2012/10/06 17:56:13
+dnl CF_STRUCT_SIGACTION version: 6 updated: 2023/12/03 09:21:34
dnl -------------------
dnl Check if we need _POSIX_SOURCE defined to use struct sigaction. We'll only
dnl do this if we've found the sigaction function.
AC_TRY_COMPILE([
#include <sys/types.h>
#include <signal.h>],
- [struct sigaction act],
+ [struct sigaction act; (void)act],
[sigact_bad=no],
[
AC_TRY_COMPILE([
#define _POSIX_SOURCE
#include <sys/types.h>
#include <signal.h>],
- [struct sigaction act],
+ [struct sigaction act; (void)act],
[sigact_bad=yes
AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE])],
[sigact_bad=unknown])])
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_STRUCT_TERMIOS version: 11 updated: 2020/03/19 20:46:13
+dnl CF_STRUCT_TERMIOS version: 13 updated: 2023/12/03 19:38:54
dnl -----------------
dnl Some machines require _POSIX_SOURCE to completely define struct termios.
AC_DEFUN([CF_STRUCT_TERMIOS],[
if test "$termios_bad" = maybe ; then
AC_MSG_CHECKING(whether termios.h needs _POSIX_SOURCE)
AC_TRY_COMPILE([#include <termios.h>],
- [struct termios foo; int x = foo.c_iflag = 1; (void)x],
+ [struct termios foo; int x = (int)(foo.c_iflag = 1); (void)x],
termios_bad=no, [
AC_TRY_COMPILE([
#define _POSIX_SOURCE
#include <termios.h>],
- [struct termios foo; int x = foo.c_iflag = 2; (void)x],
+ [struct termios foo; int x = (int)(foo.c_iflag = 2); (void)x],
termios_bad=unknown,
termios_bad=yes AC_DEFINE(_POSIX_SOURCE,1,[Define to 1 if we must define _POSIX_SOURCE]))
])
AC_DEFINE_UNQUOTED(TYPEOF_CHTYPE,$cf_cv_typeof_chtype,[Define to actual type if needed for chtype])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_TYPE_SIGACTION version: 4 updated: 2012/10/06 17:56:13
+dnl CF_TYPE_SIGACTION version: 5 updated: 2023/12/03 09:21:34
dnl -----------------
dnl
AC_DEFUN([CF_TYPE_SIGACTION],
AC_CACHE_VAL(cf_cv_type_sigaction,[
AC_TRY_COMPILE([
#include <signal.h>],
- [sigaction_t x],
+ [sigaction_t x; (void)x],
[cf_cv_type_sigaction=yes],
[cf_cv_type_sigaction=no])])
AC_MSG_RESULT($cf_cv_type_sigaction)
test "$cf_cv_type_sigaction" = yes && AC_DEFINE(HAVE_TYPE_SIGACTION,1,[Define to 1 if we have the sigaction_t type])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_UNSIGNED_LITERALS version: 2 updated: 1998/02/07 22:10:16
+dnl CF_UNSIGNED_LITERALS version: 3 updated: 2023/12/03 10:02:17
dnl --------------------
dnl Test if the compiler supports 'U' and 'L' suffixes. Only old compilers
dnl won't, but they're still there.
[
AC_MSG_CHECKING([if unsigned literals are legal])
AC_CACHE_VAL(cf_cv_unsigned_literals,[
- AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1],
+ AC_TRY_COMPILE([],[long x = 1L + 1UL + 1U + 1; (void)x],
[cf_cv_unsigned_literals=yes],
[cf_cv_unsigned_literals=no])
])
])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WCHAR_TYPE version: 4 updated: 2012/10/06 16:39:58
+dnl CF_WCHAR_TYPE version: 5 updated: 2023/12/03 09:21:34
dnl -------------
dnl Check if type wide-character type $1 is declared, and if so, which header
dnl file is needed. The second parameter is used to set a shell variable when
#ifdef HAVE_LIBUTF8_H
#include <libutf8.h>
#endif],
- [$1 state],
+ [$1 state; (void)state],
[cf_cv_$1=no],
[AC_TRY_COMPILE([
#include <stdlib.h>
#ifdef HAVE_LIBUTF8_H
#include <libutf8.h>
#endif],
- [$1 value],
+ [$1 value; (void) value],
[cf_cv_$1=yes],
[cf_cv_$1=unknown])])])
cf_cv_abi_default=$cf_cv_abi_version
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ADA_COMPILER version: 2 updated: 2010/06/26 17:35:58
+dnl CF_WITH_ADA_COMPILER version: 3 updated: 2023/10/28 11:59:01
dnl --------------------
dnl Command-line option to specify the Ada95 compiler.
AC_DEFUN([CF_WITH_ADA_COMPILER],[
-AC_MSG_CHECKING(for ada-compiler)
+AC_MSG_CHECKING(for Ada95 compiler)
AC_ARG_WITH(ada-compiler,
- [ --with-ada-compiler=CMD specify Ada95 compiler command (default gnatmake)],
+ [[ --with-ada-compiler[=CMD] use CMD as Ada95 compiler (default: gnatmake)]],
[cf_ada_compiler=$withval],
[cf_ada_compiler=gnatmake])
AC_SUBST(cf_ada_compiler)
AC_MSG_RESULT($cf_ada_compiler)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ADA_INCLUDE version: 2 updated: 2010/06/26 17:35:58
+dnl CF_WITH_ADA_INCLUDE version: 3 updated: 2023/10/28 11:59:01
dnl -------------------
dnl Command-line option to specify where Ada includes will install.
AC_DEFUN([CF_WITH_ADA_INCLUDE],[
-AC_MSG_CHECKING(for ada-include)
+AC_MSG_CHECKING(for Ada95 include directory)
CF_WITH_PATH(ada-include,
- [ --with-ada-include=DIR Ada includes are in DIR],
+ [ --with-ada-include=DIR find Ada95 includes in DIR],
ADA_INCLUDE,
PREFIX/share/ada/adainclude,
[$]prefix/share/ada/adainclude)
AC_MSG_RESULT($ADA_INCLUDE)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ADA_LIBNAME version: 1 updated: 2019/09/07 18:59:41
+dnl CF_WITH_ADA_LIBNAME version: 3 updated: 2023/11/22 20:48:30
dnl -------------------
dnl CF_WITH_ADA_LIBNAME
dnl -------------------
dnl Command-line option to specify how to name the resulting Ada library.
dnl $1 = default value
AC_DEFUN([CF_WITH_ADA_LIBNAME],[
-AC_MSG_CHECKING(for ada-libname)
+AC_MSG_CHECKING(for Ada95 curses library name)
AC_ARG_WITH(ada-libname,
- [ --with-ada-libname=XXX override default Ada library-name],
+ [[ --with-ada-libname[=XXX] use XXX as Ada95 library name]],
ADA_LIBNAME=[$]withval,
ADA_LIBNAME=$1)
case "x$ADA_LIBNAME" in
AC_MSG_RESULT($ADA_LIBNAME)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ADA_OBJECTS version: 2 updated: 2010/06/26 17:35:58
+dnl CF_WITH_ADA_OBJECTS version: 3 updated: 2023/10/28 11:59:01
dnl -------------------
dnl Command-line option to specify where Ada objects will install.
AC_DEFUN([CF_WITH_ADA_OBJECTS],[
-AC_MSG_CHECKING(for ada-objects)
+AC_MSG_CHECKING(for Ada95 object directory)
CF_WITH_PATH(ada-objects,
- [ --with-ada-objects=DIR Ada objects are in DIR],
+ [ --with-ada-objects=DIR find Ada95 objects in DIR],
ADA_OBJECTS,
PREFIX/lib/ada/adalib,
[$]prefix/lib/ada/adalib)
AC_MSG_RESULT($ADA_OBJECTS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_ADA_SHAREDLIB version: 5 updated: 2018/07/21 19:10:35
+dnl CF_WITH_ADA_SHAREDLIB version: 6 updated: 2023/10/28 11:59:01
dnl ---------------------
-dnl Command-line option to specify if an Ada95 shared-library should be built,
+dnl Command-line option to specify if an Ada95 shared library should be built,
dnl and optionally what its soname should be.
AC_DEFUN([CF_WITH_ADA_SHAREDLIB],[
AC_REQUIRE([CF_GNAT_PROJECTS])
-AC_MSG_CHECKING(if an Ada95 shared-library should be built)
+AC_MSG_CHECKING(whether to build an Ada95 shared library)
AC_ARG_WITH(ada-sharedlib,
- [ --with-ada-sharedlib=soname build shared-library (requires GNAT projects)],
+ [ --with-ada-sharedlib build Ada95 shared library; requires GNAT project support],
[with_ada_sharedlib=$withval],
[with_ada_sharedlib=no])
-AC_MSG_RESULT($with_ada_sharedlib)
+cf_ada_sharedlib_warn=no
if test "x$with_ada_sharedlib" != xno
then
if test "x$cf_gnat_projects" != xyes
then
- AC_MSG_WARN(disabling shared-library since GNAT projects are not supported)
with_ada_sharedlib=no
+ cf_ada_sharedlib_warn=yes
fi
fi
+AC_MSG_RESULT($with_ada_sharedlib)
+if test "x$cf_ada_sharedlib_warn" != xno
+then
+ AC_MSG_WARN(disabling Ada95 shared library since GNAT projects are not supported)
+fi
+
ADA_SHAREDLIB='lib$(LIB_NAME).so.1'
MAKE_ADA_SHAREDLIB="#"
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_EXPORT_SYMS version: 3 updated: 2014/12/20 19:16:08
+dnl CF_WITH_EXPORT_SYMS version: 5 updated: 2023/11/22 20:48:30
dnl -------------------
dnl Use this with libtool to specify the list of symbols that may be exported.
dnl The input file contains one symbol per line; comments work with "#".
[
AC_MSG_CHECKING(if exported-symbols file should be used)
AC_ARG_WITH(export-syms,
- [ --with-export-syms=XXX limit exported symbols using libtool],
+ [[ --with-export-syms[=SYM-FILE] limit symbols exported by libtool to those listed in SYM-FILE]],
[with_export_syms=$withval],
[with_export_syms=no])
if test "x$with_export_syms" = xyes
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_LIBTOOL_OPTS version: 4 updated: 2015/04/17 21:13:04
+dnl CF_WITH_LIBTOOL_OPTS version: 6 updated: 2023/11/22 20:48:30
dnl --------------------
dnl Allow user to pass additional libtool options into the library creation
dnl and link steps. The main use for this is to do something like
AC_DEFUN([CF_WITH_LIBTOOL_OPTS],[
AC_MSG_CHECKING(for additional libtool options)
AC_ARG_WITH(libtool-opts,
- [ --with-libtool-opts=XXX specify additional libtool options],
+ [[ --with-libtool-opts[=XXX] give libtool additional options XXX]],
[with_libtool_opts=$withval],
[with_libtool_opts=no])
AC_MSG_RESULT($with_libtool_opts)
AC_SUBST(LIBTOOL_OPTS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_LIB_BASENAME version: 1 updated: 2020/03/07 20:05:14
+dnl CF_WITH_LIB_BASENAME version: 2 updated: 2023/11/22 20:48:30
dnl --------------------
dnl Allow for overriding the basename of a library, i.e., the part to which
dnl prefixes/suffixes are attached.
[
AC_MSG_CHECKING(for desired basename for $2 library)
AC_ARG_WITH($2-libname,
- [ --with-$2-libname=XXX override ifelse($3,,$2,$3) basename of library],
+ [[ --with-$2-libname[=XXX] override ifelse($3,,$2,$3) basename of library]],
[with_lib_basename=$withval],
[with_lib_basename=ifelse($3,,$2,$3)])
$1="$with_lib_basename"
fi
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_PKG_CONFIG_LIBDIR version: 21 updated: 2023/01/22 13:37:42
+dnl CF_WITH_PKG_CONFIG_LIBDIR version: 23 updated: 2023/11/22 20:48:30
dnl -------------------------
dnl Allow the choice of the pkg-config library directory to be overridden.
dnl
# if the option is used, let that override. otherwise default to "libdir"
AC_ARG_WITH(pkg-config-libdir,
- [ --with-pkg-config-libdir=XXX use given directory for installing pc-files],
+ [[ --with-pkg-config-libdir[=XXX] use given directory for installing pc-files]],
[cf_search_path=$withval],
[test "x$PKG_CONFIG" != xnone && test -z "$cf_search_path" && cf_search_path=libdir])
fi
])
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_REL_VERSION version: 1 updated: 2003/09/20 18:12:49
+dnl CF_WITH_REL_VERSION version: 2 updated: 2023/05/06 18:18:18
dnl -------------------
dnl Allow library's release-version to be overridden. Generally this happens when a
dnl packager has incremented the release-version past that used in the original package,
],[
$1_MAJOR=`echo "$cf_cv_rel_version" | sed -e 's/\..*//'`
$1_MINOR=`echo "$cf_cv_rel_version" | sed -e 's/^[[^.]]*//' -e 's/^\.//' -e 's/\..*//'`
+ test -n "$1_MINOR" || $1_MINOR=0
CF_NUMBER_SYNTAX([$]$1_MAJOR,Release major-version)
CF_NUMBER_SYNTAX([$]$1_MINOR,Release minor-version)
])
])
])dnl
dnl ---------------------------------------------------------------------------
+dnl CF_WITH_TYPE version: 2 updated: 2023/11/25 16:11:47
+dnl ------------
+dnl Accept a TYPE for substitution:
+dnl $1 = name of type
+dnl $2 = help/usage message
+dnl $3 = symbol to set
+dnl $4 = default value
+AC_DEFUN([CF_WITH_TYPE],[
+AC_MSG_CHECKING(for type of $1)
+AC_ARG_WITH([$1], [$2],
+ [$3="$withval"],
+ [$3=$4])
+AC_MSG_RESULT([$]$3)
+case x[$]$3 in
+(x|xyes|xno)
+ AC_MSG_ERROR(expected a type name for $1)
+ ;;
+esac
+AC_SUBST($3)
+])dnl
+dnl ---------------------------------------------------------------------------
dnl CF_WITH_VALGRIND version: 1 updated: 2006/12/14 18:00:21
dnl ----------------
AC_DEFUN([CF_WITH_VALGRIND],[
[USE_VALGRIND])
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_VERSIONED_SYMS version: 10 updated: 2021/01/04 18:48:01
+dnl CF_WITH_VERSIONED_SYMS version: 13 updated: 2023/12/03 09:24:04
dnl ----------------------
dnl Use this when building shared library with ELF, to markup symbols with the
dnl version identifier from the given input file. Generally that identifier is
AC_MSG_CHECKING(if versioned-symbols file should be used)
AC_ARG_WITH(versioned-syms,
- [ --with-versioned-syms=X markup versioned symbols using ld],
+ [[ --with-versioned-syms[=MAP-FILE] version ELF shared library symbols per MAP-FILE]],
[with_versioned_syms=$withval],
[with_versioned_syms=no])
case "x$with_versioned_syms" in
EOF
cat >conftest.$ac_ext <<EOF
#line __oline__ "configure"
-int _ismissing(void) { return 1; }
-int _localf1(void) { return 1; }
-int _localf2(void) { return 2; }
-int globalf1(void) { return 1; }
-int globalf2(void) { return 2; }
-int _sublocalf1(void) { return 1; }
-int _sublocalf2(void) { return 2; }
-int subglobalf1(void) { return 1; }
-int subglobalf2(void) { return 2; }
+extern int _ismissing(void); int _ismissing(void) { return 1; }
+extern int _localf1(void); int _localf1(void) { return 1; }
+extern int _localf2(void); int _localf2(void) { return 2; }
+extern int globalf1(void); int globalf1(void) { return 1; }
+extern int globalf2(void); int globalf2(void) { return 2; }
+extern int _sublocalf1(void); int _sublocalf1(void) { return 1; }
+extern int _sublocalf2(void); int _sublocalf2(void) { return 2; }
+extern int subglobalf1(void); int subglobalf1(void) { return 1; }
+extern int subglobalf2(void); int subglobalf2(void) { return 2; }
EOF
cat >conftest.mk <<EOF
CC=${CC}
AC_SUBST(WILDCARD_SYMS)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_WITH_X11_RGB version: 2 updated: 2019/12/31 08:53:54
+dnl CF_WITH_X11_RGB version: 3 updated: 2023/10/28 11:59:01
dnl ---------------
dnl Handle configure option "--with-x11-rgb", setting these shell
dnl variables:
AC_DEFUN([CF_WITH_X11_RGB],[
AC_MSG_CHECKING(for X11 rgb file)
AC_ARG_WITH(x11-rgb,
- [ --with-x11-rgb=FILE file containing X11 rgb information (EPREFIX/lib/X11/rgb.txt)],
+ [ --with-x11-rgb=FILE obtain X11 color definitions from FILE (default: EPREFIX/lib/X11/rgb.txt)],
[RGB_PATH=$withval],
[RGB_PATH=auto])
AC_SUBST(no_x11_rgb)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 64 updated: 2023/02/18 17:41:25
+dnl CF_XOPEN_SOURCE version: 67 updated: 2023/09/06 18:55:27
dnl ---------------
dnl Try to get _XOPEN_SOURCE defined properly that we can use POSIX functions,
dnl or adapt to the vendor's definitions to get equivalent functionality,
dnl Parameters:
dnl $1 is the nominal value for _XOPEN_SOURCE
dnl $2 is the nominal value for _POSIX_C_SOURCE
+dnl
+dnl The default case prefers _XOPEN_SOURCE over _POSIX_C_SOURCE if the
+dnl implementation predefines it, because X/Open and most implementations agree
+dnl that the latter is a legacy or "aligned" value.
+dnl
+dnl Because _XOPEN_SOURCE is preferred, if defining _POSIX_C_SOURCE turns
+dnl that off, then refrain from setting _POSIX_C_SOURCE explicitly.
+dnl
+dnl References:
+dnl https://pubs.opengroup.org/onlinepubs/007904975/functions/xsh_chap02_02.html
+dnl https://docs.oracle.com/cd/E19253-01/816-5175/standards-5/index.html
+dnl https://www.gnu.org/software/libc/manual/html_node/Feature-Test-Macros.html
AC_DEFUN([CF_XOPEN_SOURCE],[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([CF_POSIX_VISIBLE])
cf_xopen_source="-D_SGI_SOURCE"
cf_XOPEN_SOURCE=
;;
-(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys)
+(linux*gnu|linux*gnuabi64|linux*gnuabin32|linux*gnueabi|linux*gnueabihf|linux*gnux32|uclinux*|gnu*|mint*|k*bsd*-gnu|cygwin|msys|mingw*|linux*uclibc)
CF_GNU_SOURCE($cf_XOPEN_SOURCE)
;;
(minix*)
cf_save_xopen_cppflags="$CPPFLAGS"
CF_POSIX_C_SOURCE($cf_POSIX_C_SOURCE)
# Some of these niche implementations use copy/paste, double-check...
- if test "$cf_cv_xopen_source" != no ; then
- CF_VERBOSE(checking if _POSIX_C_SOURCE inteferes)
+ if test "$cf_cv_xopen_source" = no ; then
+ CF_VERBOSE(checking if _POSIX_C_SOURCE interferes with _XOPEN_SOURCE)
AC_TRY_COMPILE(CF__XOPEN_SOURCE_HEAD,CF__XOPEN_SOURCE_BODY,,[
AC_MSG_WARN(_POSIX_C_SOURCE definition is not usable)
CPPFLAGS="$cf_save_xopen_cppflags"])