1# locale-ja.m4 serial 14 2dnl Copyright (C) 2003, 2005-2020 Free Software Foundation, Inc. 3dnl This file is free software; the Free Software Foundation 4dnl gives unlimited permission to copy and/or distribute it, 5dnl with or without modifications, as long as this notice is preserved. 6 7dnl From Bruno Haible. 8 9dnl Determine the name of a japanese locale with EUC-JP encoding. 10AC_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([ 16changequote(,)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> 24struct tm t; 25char buf[16]; 26int main () 27{ 28 /* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl 29 imitates locale dependent behaviour by looking at the environment 30 variables, and all locales use the UTF-8 encoding. */ 31#if defined __BEOS__ || defined __HAIKU__ 32 return 1; 33#else 34 /* Check whether the given locale name is recognized by the system. */ 35# if defined _WIN32 && !defined __CYGWIN__ 36 /* On native Windows, setlocale(category, "") looks at the system settings, 37 not at the environment variables. Also, when an encoding suffix such 38 as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE 39 category of the locale to "C". */ 40 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL 41 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) 42 return 1; 43# else 44 if (setlocale (LC_ALL, "") == NULL) return 1; 45# endif 46 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". 47 On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET) 48 is empty, and the behaviour of Tcl 8.4 in this locale is not useful. 49 On OpenBSD 4.0, when an unsupported locale is specified, setlocale() 50 succeeds but then nl_langinfo(CODESET) is "646". In this situation, 51 some unit tests fail. 52 On MirBSD 10, when an unsupported locale is specified, setlocale() 53 succeeds but then nl_langinfo(CODESET) is "UTF-8". */ 54# if HAVE_LANGINFO_CODESET 55 { 56 const char *cs = nl_langinfo (CODESET); 57 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0 58 || strcmp (cs, "UTF-8") == 0) 59 return 1; 60 } 61# endif 62# ifdef __CYGWIN__ 63 /* On Cygwin, avoid locale names without encoding suffix, because the 64 locale_charset() function relies on the encoding suffix. Note that 65 LC_ALL is set on the command line. */ 66 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; 67# endif 68 /* Check whether MB_CUR_MAX is > 1. This excludes the dysfunctional locales 69 on Cygwin 1.5.x. */ 70 if (MB_CUR_MAX == 1) 71 return 1; 72 /* Check whether in a month name, no byte in the range 0x80..0x9F occurs. 73 This excludes the UTF-8 encoding (except on MirBSD). */ 74 { 75 const char *p; 76 t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4; 77 if (strftime (buf, sizeof (buf), "%B", &t) < 2) return 1; 78 for (p = buf; *p != '\0'; p++) 79 if ((unsigned char) *p >= 0x80 && (unsigned char) *p < 0xa0) 80 return 1; 81 } 82 return 0; 83#endif 84} 85changequote([,])dnl 86 ])]) 87 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then 88 case "$host_os" in 89 # Handle native Windows specially, because there setlocale() interprets 90 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", 91 # "fr" or "fra" as "French" or "French_France.1252", 92 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", 93 # "ja" as "Japanese" or "Japanese_Japan.932", 94 # and similar. 95 mingw*) 96 # Note that on native Windows, the Japanese locale is 97 # Japanese_Japan.932, and CP932 is very different from EUC-JP, so we 98 # cannot use it here. 99 gt_cv_locale_ja=none 100 ;; 101 *) 102 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because 103 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the 104 # configure script would override the LC_ALL setting. Likewise for 105 # LC_CTYPE, which is also set at the beginning of the configure script. 106 # Test for the AIX locale name. 107 if (LC_ALL=ja_JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 108 gt_cv_locale_ja=ja_JP 109 else 110 # Test for the locale name with explicit encoding suffix. 111 if (LC_ALL=ja_JP.EUC-JP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 112 gt_cv_locale_ja=ja_JP.EUC-JP 113 else 114 # Test for the HP-UX, OSF/1, NetBSD locale name. 115 if (LC_ALL=ja_JP.eucJP LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 116 gt_cv_locale_ja=ja_JP.eucJP 117 else 118 # Test for the IRIX, FreeBSD locale name. 119 if (LC_ALL=ja_JP.EUC LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 120 gt_cv_locale_ja=ja_JP.EUC 121 else 122 # Test for the Solaris 7 locale name. 123 if (LC_ALL=ja LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 124 gt_cv_locale_ja=ja 125 else 126 # Special test for NetBSD 1.6. 127 if test -f /usr/share/locale/ja_JP.eucJP/LC_CTYPE; then 128 gt_cv_locale_ja=ja_JP.eucJP 129 else 130 # None found. 131 gt_cv_locale_ja=none 132 fi 133 fi 134 fi 135 fi 136 fi 137 fi 138 ;; 139 esac 140 fi 141 rm -fr conftest* 142 ]) 143 LOCALE_JA=$gt_cv_locale_ja 144 AC_SUBST([LOCALE_JA]) 145]) 146