-# locale-zh.m4 serial 3
-dnl Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
+# locale-zh.m4 serial 6
+dnl Copyright (C) 2003, 2005-2010 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.
[
AC_REQUIRE([AC_CANONICAL_HOST])
AC_REQUIRE([AM_LANGINFO_CODESET])
- AC_CACHE_CHECK([for a transitional chinese locale], gt_cv_locale_zh_CN, [
- macosx=
-changequote(,)dnl
- case "$host_os" in
- darwin[56]*) ;;
- darwin*) macosx=yes;;
- esac
-changequote([,])dnl
- if test -n "$macosx"; then
- # On Darwin 7 (MacOS X), the libc supports some locales in non-UTF-8
- # encodings, but the kernel does not support them. The documentation
- # says:
- # "... all code that calls BSD system routines should ensure
- # that the const *char parameters of these routines are in UTF-8
- # encoding. All BSD system functions expect their string
- # parameters to be in UTF-8 encoding and nothing else."
- # See the comments in config.charset. Therefore we bypass the test.
- gt_cv_locale_zh_CN=none
- else
- AC_LANG_CONFTEST([AC_LANG_SOURCE([
+ AC_CACHE_CHECK([for a transitional chinese locale], [gt_cv_locale_zh_CN], [
+ AC_LANG_CONFTEST([AC_LANG_SOURCE([
changequote(,)dnl
#include <locale.h>
#include <stdlib.h>
const char *p;
/* Check whether the given locale name is recognized by the system. */
if (setlocale (LC_ALL, "") == NULL) return 1;
- /* Check whether nl_langinfo(CODESET) is nonempty.
+ /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
- is empty, and the behaviour of Tcl 8.4 in this locale is not useful. */
+ is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
+ On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
+ succeeds but then nl_langinfo(CODESET) is "646". In this situation,
+ some unit tests fail. */
#if HAVE_LANGINFO_CODESET
- if (nl_langinfo (CODESET) [0] == '\0') return 1;
+ {
+ const char *cs = nl_langinfo (CODESET);
+ if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
+ return 1;
+ }
#endif
#ifdef __CYGWIN__
- /* On Cygwin, avoid locale names without encoding suffix, because the
- locale_charset() function relies on the encoding suffix. */
+ /* On Cygwin, avoid locale names without encoding suffix, because the
+ locale_charset() function relies on the encoding suffix. Note that
+ LC_ALL is set on the command line. */
if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
#endif
/* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
return 0;
}
changequote([,])dnl
- ])])
- if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
- # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
- # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
- # configure script would override the LC_ALL setting. Likewise for
- # LC_CTYPE, which is also set at the beginning of the configure script.
- # Test for the locale name without encoding suffix.
- if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
- gt_cv_locale_zh_CN=zh_CN
+ ])])
+ if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
+ # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
+ # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
+ # configure script would override the LC_ALL setting. Likewise for
+ # LC_CTYPE, which is also set at the beginning of the configure script.
+ # Test for the locale name without encoding suffix.
+ if (LC_ALL=zh_CN LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+ gt_cv_locale_zh_CN=zh_CN
+ else
+ # Test for the locale name with explicit encoding suffix.
+ if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+ gt_cv_locale_zh_CN=zh_CN.GB18030
else
- # Test for the locale name with explicit encoding suffix.
- if (LC_ALL=zh_CN.GB18030 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
- gt_cv_locale_zh_CN=zh_CN.GB18030
- else
- # None found.
- gt_cv_locale_zh_CN=none
- fi
+ # None found.
+ gt_cv_locale_zh_CN=none
fi
- else
- # If there was a link error, due to mblen(), the system is so old that
- # it certainly doesn't have a chinese locale.
- gt_cv_locale_zh_CN=none
fi
- rm -fr conftest*
+ else
+ # If there was a link error, due to mblen(), the system is so old that
+ # it certainly doesn't have a chinese locale.
+ gt_cv_locale_zh_CN=none
fi
+ rm -fr conftest*
])
LOCALE_ZH_CN=$gt_cv_locale_zh_CN
AC_SUBST([LOCALE_ZH_CN])
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