1 # locale-ja.m4 serial 15
2 dnl Copyright (C) 2003, 2005-2020 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([[
18 #if HAVE_LANGINFO_CODESET
19 # include <langinfo.h>
27 /* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl
28 imitates locale dependent behaviour by looking at the environment
29 variables, and all locales use the UTF-8 encoding. */
30 #if defined __BEOS__ || defined __HAIKU__
33 /* Check whether the given locale name is recognized by the system. */
34 # if defined _WIN32 && !defined __CYGWIN__
35 /* On native Windows, setlocale(category, "") looks at the system settings,
36 not at the environment variables. Also, when an encoding suffix such
37 as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
38 category of the locale to "C". */
39 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
40 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
43 if (setlocale (LC_ALL, "") == NULL) return 1;
45 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
46 On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
47 is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
48 On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
49 succeeds but then nl_langinfo(CODESET) is "646". In this situation,
51 On MirBSD 10, when an unsupported locale is specified, setlocale()
52 succeeds but then nl_langinfo(CODESET) is "UTF-8". */
53 # if HAVE_LANGINFO_CODESET
55 const char *cs = nl_langinfo (CODESET);
56 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
57 || strcmp (cs, "UTF-8") == 0)
62 /* On Cygwin, avoid locale names without encoding suffix, because the
63 locale_charset() function relies on the encoding suffix. Note that
64 LC_ALL is set on the command line. */
65 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
67 /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales
71 /* Check whether in a month name, no byte in the range 0x80..0x9F occurs.
72 This excludes the UTF-8 encoding (except on MirBSD). */
75 t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
76 if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1;
77 for (p = buf; *p != '\0'; p++)
78 if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0)
85 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
87 # Handle native Windows specially, because there setlocale() interprets
88 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
89 # "fr" or "fra" as "French" or "French_France.1252",
90 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
91 # "ja" as "Japanese" or "Japanese_Japan.932",
94 # Note that on native Windows, the Japanese locale is
95 # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we
100 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
101 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
102 # configure script would override the LC_ALL setting. Likewise for
103 # LC_CTYPE, which is also set at the beginning of the configure script.
104 # Test for the AIX locale name.
105 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
106 gt_cv_locale_ja=ja_JP
108 # Test for the locale name with explicit encoding suffix.
109 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
110 gt_cv_locale_ja=ja_JP.EUC-JP
112 # Test for the HP-UX, OSF/1, NetBSD locale name.
113 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
114 gt_cv_locale_ja=ja_JP.eucJP
116 # Test for the IRIX, FreeBSD locale name.
117 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
118 gt_cv_locale_ja=ja_JP.EUC
120 # Test for the Solaris 7 locale name.
121 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
124 # Special test for NetBSD 1.6.
125 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then
126 gt_cv_locale_ja=ja_JP.eucJP
141 LOCALE_JA=$gt_cv_locale_ja
142 AC_SUBST([LOCALE_JA])