1 # locale-ja.m4 serial 6
2 dnl Copyright (C) 2003, 2005-2009 Free Software Foundation, Inc.
3 dnl This file is free software; the Free Software Foundation
4 dnl gives unlimited permission to copy and/or distribute it,
5 dnl with or without modifications, as long as this notice is preserved.
9 dnl Determine the name of a japanese locale with EUC-JP encoding.
10 AC_DEFUN([gt_LOCALE_JA],
12 AC_REQUIRE([AC_CANONICAL_HOST])
13 AC_REQUIRE([AM_LANGINFO_CODESET])
14 AC_CACHE_CHECK([for a traditional japanese locale], [gt_cv_locale_ja], [
22 if test -n "$macosx"; then
23 # On Darwin 7 (MacOS X), the libc supports some locales in non-UTF-8
24 # encodings, but the kernel does not support them. The documentation
26 # "... all code that calls BSD system routines should ensure
27 # that the const *char parameters of these routines are in UTF-8
28 # encoding. All BSD system functions expect their string
29 # parameters to be in UTF-8 encoding and nothing else."
30 # See the comments in config.charset. Therefore we bypass the test.
33 AC_LANG_CONFTEST([AC_LANG_SOURCE([
37 #if HAVE_LANGINFO_CODESET
38 # include <langinfo.h>
47 /* Check whether the given locale name is recognized by the system. */
48 if (setlocale (LC_ALL, "") == NULL) return 1;
49 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
50 On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
51 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
52 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
53 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
54 some unit tests fail. */
55 #if HAVE_LANGINFO_CODESET
57 const char *cs = nl_langinfo (CODESET);
58 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
63 /* On Cygwin, avoid locale names without encoding suffix, because the
64 locale_charset() function relies on the encoding suffix. Note that
65 LC_ALL is set on the command line. */
66 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
68 /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales
72 /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
73 This excludes the UTF-8 encoding. */
74 t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
75 if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
76 for (p = buf; *p != '\0'; p++)
77 if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
83 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
84 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
85 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
86 # configure script would override the LC_ALL setting. Likewise for
87 # LC_CTYPE, which is also set at the beginning of the configure script.
88 # Test for the AIX locale name.
89 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
92 # Test for the locale name with explicit encoding suffix.
93 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
94 gt_cv_locale_ja=ja_JP.EUC-JP
96 # Test for the HP-UX, OSF/1, NetBSD locale name.
97 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
98 gt_cv_locale_ja=ja_JP.eucJP
100 # Test for the IRIX, FreeBSD locale name.
101 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
102 gt_cv_locale_ja=ja_JP.EUC
104 # Test for the Solaris 7 locale name.
105 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
108 # Special test for NetBSD 1.6.
109 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
110 gt_cv_locale_ja=ja_JP.eucJP
124 LOCALE_JA=$gt_cv_locale_ja
125 AC_SUBST([LOCALE_JA])