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; then 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 ]) 137
