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9c9d63b1 PM |
1 | # locale-ja.m4 serial 15 |
2 | dnl Copyright (C) 2003, 2005-2021 Free Software Foundation, Inc. | |
8690e634 JK |
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. | |
6 | ||
7 | dnl From Bruno Haible. | |
8 | ||
9 | dnl Determine the name of a japanese locale with EUC-JP encoding. | |
10 | AC_DEFUN([gt_LOCALE_JA], | |
11 | [ | |
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], [ | |
9c9d63b1 | 15 | AC_LANG_CONFTEST([AC_LANG_SOURCE([[ |
8690e634 JK |
16 | #include <locale.h> |
17 | #include <time.h> | |
18 | #if HAVE_LANGINFO_CODESET | |
19 | # include <langinfo.h> | |
20 | #endif | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | struct tm t; | |
24 | char buf[16]; | |
25 | int main () | |
26 | { | |
c0c3707f CB |
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__ | |
31 | return 1; | |
32 | #else | |
8690e634 | 33 | /* Check whether the given locale name is recognized by the system. */ |
c0c3707f | 34 | # if defined _WIN32 && !defined __CYGWIN__ |
8690e634 JK |
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) | |
41 | return 1; | |
c0c3707f | 42 | # else |
8690e634 | 43 | if (setlocale (LC_ALL, "") == NULL) return 1; |
c0c3707f | 44 | # endif |
8690e634 JK |
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, | |
50 | some unit tests fail. | |
51 | On MirBSD 10, when an unsupported locale is specified, setlocale() | |
52 | succeeds but then nl_langinfo(CODESET) is "UTF-8". */ | |
c0c3707f | 53 | # if HAVE_LANGINFO_CODESET |
8690e634 JK |
54 | { |
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) | |
58 | return 1; | |
59 | } | |
c0c3707f CB |
60 | # endif |
61 | # ifdef __CYGWIN__ | |
8690e634 JK |
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; | |
c0c3707f | 66 | # endif |
8690e634 JK |
67 | /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales |
68 | on Cygwin 1.5.x. */ | |
69 | if (MB_CUR_MAX == 1) | |
70 | return 1; | |
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). */ | |
c0c3707f CB |
73 | { |
74 | const char *p; | |
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) | |
79 | return 1; | |
80 | } | |
8690e634 | 81 | return 0; |
c0c3707f | 82 | #endif |
8690e634 | 83 | } |
9c9d63b1 | 84 | ]])]) |
8690e634 JK |
85 | if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then |
86 | case "$host_os" in | |
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", | |
92 | # and similar. | |
93 | mingw*) | |
94 | # Note that on native Windows, the Japanese locale is | |
95 | # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we | |
96 | # cannot use it here. | |
97 | gt_cv_locale_ja=none | |
98 | ;; | |
99 | *) | |
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 | |
107 | else | |
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 | |
111 | else | |
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 | |
115 | else | |
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 | |
119 | else | |
120 | # Test for the Solaris 7 locale name. | |
121 | if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then | |
122 | gt_cv_locale_ja=ja | |
123 | else | |
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 | |
127 | else | |
128 | # None found. | |
129 | gt_cv_locale_ja=none | |
130 | fi | |
131 | fi | |
132 | fi | |
133 | fi | |
134 | fi | |
135 | fi | |
136 | ;; | |
137 | esac | |
138 | fi | |
139 | rm -fr conftest* | |
140 | ]) | |
141 | LOCALE_JA=$gt_cv_locale_ja | |
142 | AC_SUBST([LOCALE_JA]) | |
143 | ]) |