1 # locale-ja.m4 serial 12
2 dnl Copyright (C) 2003, 2005-2017 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 Windows, 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 specified, 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 Mac OS 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$ac_exeext; then
80 # Handle native Windows specially, because there setlocale() interprets
81 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
82 # "fr" or "fra" as "French" or "French_France.1252",
83 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
84 # "ja" as "Japanese" or "Japanese_Japan.932",
87 # Note that on native Windows, the Japanese locale is
88 # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we
93 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
94 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
95 # configure script would override the LC_ALL setting. Likewise for
96 # LC_CTYPE, which is also set at the beginning of the configure script.
97 # Test for the AIX locale name.
98 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
101 # Test for the locale name with explicit encoding suffix.
102 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
103 gt_cv_locale_ja=ja_JP.EUC-JP
105 # Test for the HP-UX, OSF/1, NetBSD locale name.
106 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
107 gt_cv_locale_ja=ja_JP.eucJP
109 # Test for the IRIX, FreeBSD locale name.
110 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
111 gt_cv_locale_ja=ja_JP.EUC
113 # Test for the Solaris 7 locale name.
114 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
117 # Special test for NetBSD 1.6.
118 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
119 gt_cv_locale_ja=ja_JP.eucJP
134 LOCALE_JA=$gt_cv_locale_ja
135 AC_SUBST([LOCALE_JA])