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| 1 # locale-ja.m4 serial 12 |
| 2 dnl Copyright (C) 2003, 2005-2012 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. |
| 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], [ |
| 15 AC_LANG_CONFTEST([AC_LANG_SOURCE([ |
| 16 changequote(,)dnl |
| 17 #include <locale.h> |
| 18 #include <time.h> |
| 19 #if HAVE_LANGINFO_CODESET |
| 20 # include <langinfo.h> |
| 21 #endif |
| 22 #include <stdlib.h> |
| 23 #include <string.h> |
| 24 struct tm t; |
| 25 char buf[16]; |
| 26 int main () |
| 27 { |
| 28 const char *p; |
| 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) |
| 37 return 1; |
| 38 #else |
| 39 if (setlocale (LC_ALL, "") == NULL) return 1; |
| 40 #endif |
| 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, |
| 46 some unit tests fail. |
| 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 |
| 50 { |
| 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) |
| 54 return 1; |
| 55 } |
| 56 #endif |
| 57 #ifdef __CYGWIN__ |
| 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; |
| 62 #endif |
| 63 /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales |
| 64 on Cygwin 1.5.x. */ |
| 65 if (MB_CUR_MAX == 1) |
| 66 return 1; |
| 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) |
| 73 return 1; |
| 74 return 0; |
| 75 } |
| 76 changequote([,])dnl |
| 77 ])]) |
| 78 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then |
| 79 case "$host_os" in |
| 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", |
| 85 # and similar. |
| 86 mingw*) |
| 87 # Note that on native Windows, the Japanese locale is |
| 88 # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we |
| 89 # cannot use it here. |
| 90 gt_cv_locale_ja=none |
| 91 ;; |
| 92 *) |
| 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; the
n |
| 99 gt_cv_locale_ja=ja_JP |
| 100 else |
| 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 |
| 104 else |
| 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 |
| 108 else |
| 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 |
| 112 else |
| 113 # Test for the Solaris 7 locale name. |
| 114 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null
; then |
| 115 gt_cv_locale_ja=ja |
| 116 else |
| 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 |
| 120 else |
| 121 # None found. |
| 122 gt_cv_locale_ja=none |
| 123 fi |
| 124 fi |
| 125 fi |
| 126 fi |
| 127 fi |
| 128 fi |
| 129 ;; |
| 130 esac |
| 131 fi |
| 132 rm -fr conftest* |
| 133 ]) |
| 134 LOCALE_JA=$gt_cv_locale_ja |
| 135 AC_SUBST([LOCALE_JA]) |
| 136 ]) |
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