dnl
dnl Author: Thomas E. Dickey 1995-on
dnl
-dnl $Id: aclocal.m4,v 1.954 2021/03/20 16:02:03 tom Exp $
+dnl $Id: aclocal.m4,v 1.961 2021/05/19 23:35:25 tom Exp $
dnl Macros used in NCURSES auto-configuration script.
dnl
dnl These macros are maintained separately from NCURSES. The copyright on
AC_SUBST(BUILD_OBJEXT)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_C11_NORETURN version: 1 updated: 2021/03/20 12:00:25
+dnl CF_C11_NORETURN version: 3 updated: 2021/03/28 11:36:23
dnl ---------------
AC_DEFUN([CF_C11_NORETURN],
[
+AC_MSG_CHECKING(if you want to use C11 _Noreturn feature)
+CF_ARG_ENABLE(stdnoreturn,
+ [ --enable-stdnoreturn enable C11 _Noreturn feature for diagnostics],
+ [enable_stdnoreturn=yes],
+ [enable_stdnoreturn=no])
+AC_MSG_RESULT($enable_stdnoreturn)
+
+if test $enable_stdnoreturn = yes; then
AC_CACHE_CHECK([for C11 _Noreturn feature], cf_cv_c11_noreturn,
[AC_TRY_COMPILE([
#include <stdio.h>
#include <stdlib.h>
#include <stdnoreturn.h>
-static void giveup(void) { exit(0); }
+static _Noreturn void giveup(void) { exit(0); }
],
[if (feof(stdin)) giveup()],
cf_cv_c11_noreturn=yes,
cf_cv_c11_noreturn=no)
])
+else
+ cf_cv_c11_noreturn=no,
+fi
if test "$cf_cv_c11_noreturn" = yes; then
- AC_DEFINE(HAVE_STDNORETURN_H, 1)
+ AC_DEFINE(HAVE_STDNORETURN_H, 1,[Define if <stdnoreturn.h> header is available and working])
AC_DEFINE_UNQUOTED(STDC_NORETURN,_Noreturn,[Define if C11 _Noreturn keyword is supported])
HAVE_STDNORETURN_H=1
else
fi
AC_SUBST(HAVE_STDNORETURN_H)
+AC_SUBST(STDC_NORETURN)
])dnl
dnl ---------------------------------------------------------------------------
dnl CF_CC_ENV_FLAGS version: 10 updated: 2020/12/31 18:40:20
fi
])])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_CHECK_LIBTOOL_VERSION version: 1 updated: 2013/04/06 18:03:09
+dnl CF_CHECK_LIBTOOL_VERSION version: 2 updated: 2021/05/01 16:24:34
dnl ------------------------
dnl Show the version of libtool
dnl
dnl Save the version in a cache variable - this is not entirely a good thing,
dnl but the version string from libtool is very ugly, and for bug reports it
dnl might be useful to have the original string.
+dnl
+dnl There is an imitation in OpenBSD, which has no apparent use other than to
+dnl deny that it is GNU libtool. Just ignore it.
AC_DEFUN([CF_CHECK_LIBTOOL_VERSION],[
if test -n "$LIBTOOL" && test "$LIBTOOL" != none
then
AC_MSG_CHECKING(version of $LIBTOOL)
CF_LIBTOOL_VERSION
AC_MSG_RESULT($cf_cv_libtool_version)
- if test -z "$cf_cv_libtool_version" ; then
- AC_MSG_ERROR(This is not GNU libtool)
+ if test -n "$cf_cv_libtool_version"
+ then
+ cf_check_libtool_version=`$LIBTOOL --version 2>&1 | sed -e '/^$/d' -e 's,[[()]],...,g' -e 's,[[ ]],-,g' -e '2,$d'`
+ case "x$cf_check_libtool_version" in
+ (*...GNU-libtool...*)
+ ;;
+ (*)
+ AC_MSG_ERROR(This is not GNU libtool)
+ ;;
+ esac
+ else
+ AC_MSG_ERROR(No version found for $LIBTOOL)
fi
else
AC_MSG_ERROR(GNU libtool has not been found)
AC_MSG_RESULT($enable_gnat_projects)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_DISABLE_LEAKS version: 8 updated: 2021/01/05 20:05:09
+dnl CF_DISABLE_LEAKS version: 9 updated: 2021/04/03 16:41:50
dnl ----------------
dnl Combine no-leak checks with the libraries or tools that are used for the
dnl checks.
AC_MSG_CHECKING(if you want to perform memory-leak testing)
AC_ARG_ENABLE(leaks,
[ --disable-leaks test: free permanent memory, analyze leaks],
- [enable_leaks=no],
+ [enable_leaks=$enableval],
[enable_leaks=yes])
-dnl TODO - drop with_no_leaks
+dnl with_no_leaks is more readable...
if test "x$enable_leaks" = xno; then with_no_leaks=yes; else with_no_leaks=no; fi
AC_MSG_RESULT($with_no_leaks)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_LINK_FUNCS version: 9 updated: 2017/01/21 11:11:02
+dnl CF_LINK_FUNCS version: 11 updated: 2021/04/18 14:08:47
dnl -------------
dnl Most Unix systems have both link and symlink, a few don't have symlink.
dnl A few non-Unix systems implement symlink, but not link.
dnl A few non-systems implement neither (or have nonfunctional versions).
+dnl
+dnl This allows for a 2-second difference in modification times to allow for
+dnl some marginal NFS implementations.
AC_DEFUN([CF_LINK_FUNCS],
[
AC_CHECK_HEADERS( \
cf_cv_link_funcs=
for cf_func in link symlink ; do
AC_TRY_RUN([
+#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
int main(void)
{
int fail = 0;
- char *src = "config.log";
+ char *src = "conftest.tmp";
char *dst = "conftest.chk";
- struct stat src_sb;
- struct stat dst_sb;
-
- stat(src, &src_sb);
- fail = ($cf_func("config.log", "conftest.chk") < 0)
- || (stat(dst, &dst_sb) < 0)
- || (dst_sb.st_mtime != src_sb.st_mtime);
+ struct stat src_sb, dst_sb;
+ FILE *fp = fopen(src, "w");
+ if (fp == 0) { fail = 3; } else {
+ fclose(fp); stat(src, &src_sb);
+ if ($cf_func(src, dst) < 0) {
+ fail = 1;
+ } else if (stat(dst, &dst_sb) < 0) {
+ fail = 2;
+ } else {
+ long diff = (dst_sb.st_mtime - src_sb.st_mtime);
+ if (diff < 0) diff = -diff;
+ if (diff > 2) fail = 3;
+ }
+ }
#ifdef HAVE_UNLINK
- unlink(dst);
+ unlink(dst); unlink(src);
#else
- remove(dst);
+ remove(dst); remove(src);
#endif
${cf_cv_main_return:-return} (fail);
}
$1=`echo "$2" | sed y%abcdefghijklmnopqrstuvwxyz./-%ABCDEFGHIJKLMNOPQRSTUVWXYZ___%`
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_UTF8_LIB version: 8 updated: 2012/10/06 08:57:51
+dnl CF_UTF8_LIB version: 9 updated: 2021/05/19 19:35:25
dnl -----------
dnl Check for multibyte support, and if not found, utf8 compatibility library
AC_DEFUN([CF_UTF8_LIB],
[
+AC_HAVE_HEADERS(wchar.h)
AC_CACHE_CHECK(for multibyte character support,cf_cv_utf8_lib,[
cf_save_LIBS="$LIBS"
AC_TRY_LINK([
-#include <stdlib.h>],[putwc(0,0);],
+#include <stdlib.h>
+#include <stdio.h>
+#ifdef HAVE_WCHAR_H
+#include <wchar.h>
+#endif
+],[putwc(0,0);],
[cf_cv_utf8_lib=yes],
[CF_FIND_LINKAGE([
#include <libutf8.h>],[putwc(0,0);],utf8,
AC_SUBST(no_x11_rgb)
])dnl
dnl ---------------------------------------------------------------------------
-dnl CF_XOPEN_SOURCE version: 57 updated: 2021/01/01 16:53:59
+dnl CF_XOPEN_SOURCE version: 58 updated: 2021/05/01 17:49:36
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,
(netbsd*)
cf_xopen_source="-D_NETBSD_SOURCE" # setting _XOPEN_SOURCE breaks IPv6 for lynx on NetBSD 1.6, breaks xterm, is not needed for ncursesw
;;
-(openbsd[[4-9]]*)
+(openbsd[[6-9]]*)
+ # OpenBSD 6.x has broken locale support, both compile-time and runtime.
+ # see https://www.mail-archive.com/bugs@openbsd.org/msg13200.html
+ # Abusing the conformance level is a workaround.
+ AC_MSG_WARN(this system does not provide usable locale support)
+ cf_xopen_source="-D_BSD_SOURCE"
+ cf_XOPEN_SOURCE=700
+ ;;
+(openbsd[[4-5]]*)
# setting _XOPEN_SOURCE lower than 500 breaks g++ compile with wchar.h, needed for ncursesw
cf_xopen_source="-D_BSD_SOURCE"
cf_XOPEN_SOURCE=600
projects / ncurses.git / blobdiff