1 # locale-ja.m4 serial 9
2 dnl Copyright (C) 2003, 2005-2011 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], [
15 AC_LANG_CONFTEST([AC_LANG_SOURCE([
19 #if HAVE_LANGINFO_CODESET
20 # include <langinfo.h>
29 /* Check whether the given locale name is recognized by the system. */
30 #if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
31 /* On native Win32, setlocale(category, "") looks at the system settings,
32 not at the environment variables. Also, when an encoding suffix such
33 as ".65001" or ".54936" is speficied, it succeeds but sets the LC_CTYPE
34 category of the locale to "C". */
35 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
36 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
39 if (setlocale (LC_ALL, "") == NULL) return 1;
41 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
42 On MacOS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
43 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
44 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
45 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
47 On MirBSD 10, when an unsupported locale is specified, setlocale()
48 succeeds but then nl_langinfo(CODESET) is "UTF-8". */
49 #if HAVE_LANGINFO_CODESET
51 const char *cs = nl_langinfo (CODESET);
52 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
53 || strcmp (cs, "UTF-8") == 0)
58 /* On Cygwin, avoid locale names without encoding suffix, because the
59 locale_charset() function relies on the encoding suffix. Note that
60 LC_ALL is set on the command line. */
61 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
63 /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales
67 /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
68 This excludes the UTF-8 encoding (except on MirBSD). */
69 t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
70 if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
71 for (p = buf; *p != '\0'; p++)
72 if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
78 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
79 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
80 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
81 # configure script would override the LC_ALL setting. Likewise for
82 # LC_CTYPE, which is also set at the beginning of the configure script.
83 # Test for the AIX locale name.
84 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
87 # Test for the locale name with explicit encoding suffix.
88 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
89 gt_cv_locale_ja=ja_JP.EUC-JP
91 # Test for the HP-UX, OSF/1, NetBSD locale name.
92 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
93 gt_cv_locale_ja=ja_JP.eucJP
95 # Test for the IRIX, FreeBSD locale name.
96 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
97 gt_cv_locale_ja=ja_JP.EUC
99 # Test for the Solaris 7 locale name.
100 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
103 # Special test for NetBSD 1.6.
104 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
105 gt_cv_locale_ja=ja_JP.eucJP
118 LOCALE_JA=$gt_cv_locale_ja
119 AC_SUBST([LOCALE_JA])