1# locale-de.m4 serial 1 2dnl Copyright (C) 2003, 2005-2018 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 german locale with UTF-8 encoding. 10AC_DEFUN([gt_LOCALE_DE_UTF8], 11[ 12 AC_REQUIRE([AM_LANGINFO_CODESET]) 13 AC_CACHE_CHECK([for a german Unicode locale], [gt_cv_locale_de_utf8], [ 14 AC_LANG_CONFTEST([AC_LANG_SOURCE([ 15changequote(,)dnl 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> 23struct tm t; 24char buf[16]; 25int main () { 26 /* On BeOS and Haiku, locales are not implemented in libc. Rather, libintl 27 imitates locale dependent behaviour by looking at the environment 28 variables, and all locales use the UTF-8 encoding. */ 29#if !(defined __BEOS__ || defined __HAIKU__) 30 /* Check whether the given locale name is recognized by the system. */ 31# if defined _WIN32 && !defined __CYGWIN__ 32 /* On native Windows, setlocale(category, "") looks at the system settings, 33 not at the environment variables. Also, when an encoding suffix such 34 as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE 35 category of the locale to "C". */ 36 if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL 37 || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0) 38 return 1; 39# else 40 if (setlocale (LC_ALL, "") == NULL) return 1; 41# endif 42 /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646". 43 On Mac OS X 10.3.5 (Darwin 7.5) in the de_DE locale, nl_langinfo(CODESET) 44 is empty, and the behaviour of Tcl 8.4 in this locale is not useful. 45 On OpenBSD 4.0, when an unsupported locale is specified, setlocale() 46 succeeds but then nl_langinfo(CODESET) is "646". In this situation, 47 some unit tests fail. */ 48# if HAVE_LANGINFO_CODESET 49 { 50 const char *cs = nl_langinfo (CODESET); 51 if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0) 52 return 1; 53 } 54# endif 55# ifdef __CYGWIN__ 56 /* On Cygwin, avoid locale names without encoding suffix, because the 57 locale_charset() function relies on the encoding suffix. Note that 58 LC_ALL is set on the command line. */ 59 if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1; 60# endif 61 /* Check whether in the name of the third month, the second character 62 (should be U+00E4: LATIN SMALL LETTER A WITH DIAERESIS) is two bytes 63 long, with UTF-8 encoding. */ 64 t.tm_year = 1965 - 1900; t.tm_mon = 3 - 1; t.tm_mday = 29; 65 if (strftime (buf, sizeof (buf), "%B", &t) < 5 66 || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa4) 67 return 1; 68#endif 69#if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy. */ 70 /* Check whether the decimal separator is a comma. 71 On NetBSD 3.0 in the de_DE.ISO8859-1 locale, localeconv()->decimal_point 72 are nl_langinfo(RADIXCHAR) are both ".". */ 73 if (localeconv () ->decimal_point[0] != ',') return 1; 74#endif 75 return 0; 76} 77changequote([,])dnl 78 ])]) 79 if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then 80 case "$host_os" in 81 # Handle native Windows specially, because there setlocale() interprets 82 # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256", 83 # "fr" or "fra" as "French" or "French_France.1252", 84 # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252", 85 # "ja" as "Japanese" or "Japanese_Japan.932", 86 # and similar. 87 mingw*) 88 # Test for the hypothetical native Windows locale name. 89 if (LC_ALL=German_Germany.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 90 gt_cv_locale_de_utf8=German_Germany.65001 91 else 92 # None found. 93 gt_cv_locale_de_utf8=none 94 fi 95 ;; 96 *) 97 # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because 98 # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the 99 # configure script would override the LC_ALL setting. Likewise for 100 # LC_CTYPE, which is also set at the beginning of the configure script. 101 # Test for the usual locale name. 102 if (LC_ALL=de_DE LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 103 gt_cv_locale_de_utf8=de_DE 104 else 105 # Test for the locale name with explicit encoding suffix. 106 if (LC_ALL=de_DE.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 107 gt_cv_locale_de_utf8=de_DE.UTF-8 108 else 109 # Test for the Solaris 7 locale name. 110 if (LC_ALL=de.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then 111 gt_cv_locale_de_utf8=de.UTF-8 112 else 113 # None found. 114 gt_cv_locale_de_utf8=none 115 fi 116 fi 117 fi 118 ;; 119 esac 120 fi 121 rm -fr conftest* 122 ]) 123 LOCALE_DE_UTF8=$gt_cv_locale_de_utf8 124 AC_SUBST([LOCALE_DE_UTF8]) 125]) 126