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$ac_exeext; then
80 # Handle native Windows specially, because there setlocale() interprets
81 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
82 # "fr" or "fra" as "French" or "French_France.1252",
83 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
84 # "ja" as "Japanese" or "Japanese_Japan.932",
87 # Note that on native Win32, the Japanese locale is Japanese_Japan.932,
88 # and CP932 is very different from EUC-JP, so we cannot use it here.
92 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
93 # otherwise on MacOS X 10.3.5 the LC_TIME=C from the beginning of the
94 # configure script would override the LC_ALL setting. Likewise for
95 # LC_CTYPE, which is also set at the beginning of the configure script.
96 # Test for the AIX locale name.
97 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
100 # Test for the locale name with explicit encoding suffix.
101 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
102 gt_cv_locale_ja=ja_JP.EUC-JP
104 # Test for the HP-UX, OSF/1, NetBSD locale name.
105 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
106 gt_cv_locale_ja=ja_JP.eucJP
108 # Test for the IRIX, FreeBSD locale name.
109 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
110 gt_cv_locale_ja=ja_JP.EUC
112 # Test for the Solaris 7 locale name.
113 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
116 # Special test for NetBSD 1.6.
117 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
118 gt_cv_locale_ja=ja_JP.eucJP
133 LOCALE_JA=$gt_cv_locale_ja
134 AC_SUBST([LOCALE_JA])