gnulib/import/m4/locale-fr.m4

   1 # locale-fr.m4 serial 19
   2 dnl Copyright (C) 2003, 2005-2019 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 french locale with traditional encoding.
  10 AC_DEFUN([gt_LOCALE_FR],
  11 [
  12   AC_REQUIRE([AC_CANONICAL_HOST])
  13   AC_REQUIRE([AM_LANGINFO_CODESET])
  14   AC_CACHE_CHECK([for a traditional french locale], [gt_cv_locale_fr], [
  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   /* 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
  33   /* Check whether the given locale name is recognized by the system.  */
  34 # if defined _WIN32 && !defined __CYGWIN__
  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;
  42 # else
  43   if (setlocale (LC_ALL, "") == NULL) return 1;
  44 # endif
  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".  */
  53 # if HAVE_LANGINFO_CODESET
  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   }
  60 # endif
  61 # ifdef __CYGWIN__
  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;
  66 # endif
  67   /* Check whether in the abbreviation of the second month, the second
  68      character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is only
  69      one byte long. This excludes the UTF-8 encoding.  */
  70   t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
  71   if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1;
  72 # if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
  73   /* Check whether the decimal separator is a comma.
  74      On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
  75      are nl_langinfo(RADIXCHAR) are both ".".  */
  76   if (localeconv () ->decimal_point[0] != ',') return 1;
  77 # endif
  78   return 0;
  79 #endif
  80 }
  81 changequote([,])dnl
  82       ])])
  83     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
  84       case "$host_os" in
  85         # Handle native Windows specially, because there setlocale() interprets
  86         # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
  87         # "fr" or "fra" as "French" or "French_France.1252",
  88         # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
  89         # "ja" as "Japanese" or "Japanese_Japan.932",
  90         # and similar.
  91         mingw*)
  92           # Test for the native Windows locale name.
  93           if (LC_ALL=French_France.1252 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
  94             gt_cv_locale_fr=French_France.1252
  95           else
  96             # None found.
  97             gt_cv_locale_fr=none
  98           fi
  99           ;;
 100         *)
 101           # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
 102           # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
 103           # configure script would override the LC_ALL setting. Likewise for
 104           # LC_CTYPE, which is also set at the beginning of the configure script.
 105           # Test for the usual locale name.
 106           if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 107             gt_cv_locale_fr=fr_FR
 108           else
 109             # Test for the locale name with explicit encoding suffix.
 110             if (LC_ALL=fr_FR.ISO-8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 111               gt_cv_locale_fr=fr_FR.ISO-8859-1
 112             else
 113               # Test for the AIX, OSF/1, FreeBSD, NetBSD, OpenBSD locale name.
 114               if (LC_ALL=fr_FR.ISO8859-1 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 115                 gt_cv_locale_fr=fr_FR.ISO8859-1
 116               else
 117                 # Test for the HP-UX locale name.
 118                 if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 119                   gt_cv_locale_fr=fr_FR.iso88591
 120                 else
 121                   # Test for the Solaris 7 locale name.
 122                   if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 123                     gt_cv_locale_fr=fr
 124                   else
 125                     # None found.
 126                     gt_cv_locale_fr=none
 127                   fi
 128                 fi
 129               fi
 130             fi
 131           fi
 132           ;;
 133       esac
 134     fi
 135     rm -fr conftest*
 136   ])
 137   LOCALE_FR=$gt_cv_locale_fr
 138   AC_SUBST([LOCALE_FR])
 139 ])
 140
 141 dnl Determine the name of a french locale with UTF-8 encoding.
 142 AC_DEFUN([gt_LOCALE_FR_UTF8],
 143 [
 144   AC_REQUIRE([AM_LANGINFO_CODESET])
 145   AC_CACHE_CHECK([for a french Unicode locale], [gt_cv_locale_fr_utf8], [
 146     AC_LANG_CONFTEST([AC_LANG_SOURCE([
 147 changequote(,)dnl
 148 #include <locale.h>
 149 #include <time.h>
 150 #if HAVE_LANGINFO_CODESET
 151 # include <langinfo.h>
 152 #endif
 153 #include <stdlib.h>
 154 #include <string.h>
 155 struct tm t;
 156 char buf[16];
 157 int main () {
 158   /* On BeOS and Haiku, locales are not implemented in libc.  Rather, libintl
 159      imitates locale dependent behaviour by looking at the environment
 160      variables, and all locales use the UTF-8 encoding.  */
 161 #if !(defined __BEOS__ || defined __HAIKU__)
 162   /* Check whether the given locale name is recognized by the system.  */
 163 # if defined _WIN32 && !defined __CYGWIN__
 164   /* On native Windows, setlocale(category, "") looks at the system settings,
 165      not at the environment variables.  Also, when an encoding suffix such
 166      as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
 167      category of the locale to "C".  */
 168   if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
 169       || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
 170     return 1;
 171 # else
 172   if (setlocale (LC_ALL, "") == NULL) return 1;
 173 # endif
 174   /* Check whether nl_langinfo(CODESET) is nonempty and not "ASCII" or "646".
 175      On Mac OS X 10.3.5 (Darwin 7.5) in the fr_FR locale, nl_langinfo(CODESET)
 176      is empty, and the behaviour of Tcl 8.4 in this locale is not useful.
 177      On OpenBSD 4.0, when an unsupported locale is specified, setlocale()
 178      succeeds but then nl_langinfo(CODESET) is "646". In this situation,
 179      some unit tests fail.  */
 180 # if HAVE_LANGINFO_CODESET
 181   {
 182     const char *cs = nl_langinfo (CODESET);
 183     if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0)
 184       return 1;
 185   }
 186 # endif
 187 # ifdef __CYGWIN__
 188   /* On Cygwin, avoid locale names without encoding suffix, because the
 189      locale_charset() function relies on the encoding suffix.  Note that
 190      LC_ALL is set on the command line.  */
 191   if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
 192 # endif
 193   /* Check whether in the abbreviation of the second month, the second
 194      character (should be U+00E9: LATIN SMALL LETTER E WITH ACUTE) is
 195      two bytes long, with UTF-8 encoding.  */
 196   t.tm_year = 1975 - 1900; t.tm_mon = 2 - 1; t.tm_mday = 4;
 197   if (strftime (buf, sizeof (buf), "%b", &t) < 4
 198       || buf[1] != (char) 0xc3 || buf[2] != (char) 0xa9 || buf[3] != 'v')
 199     return 1;
 200 #endif
 201 #if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
 202   /* Check whether the decimal separator is a comma.
 203      On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
 204      are nl_langinfo(RADIXCHAR) are both ".".  */
 205   if (localeconv () ->decimal_point[0] != ',') return 1;
 206 #endif
 207   return 0;
 208 }
 209 changequote([,])dnl
 210       ])])
 211     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
 212       case "$host_os" in
 213         # Handle native Windows specially, because there setlocale() interprets
 214         # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
 215         # "fr" or "fra" as "French" or "French_France.1252",
 216         # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
 217         # "ja" as "Japanese" or "Japanese_Japan.932",
 218         # and similar.
 219         mingw*)
 220           # Test for the hypothetical native Windows locale name.
 221           if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 222             gt_cv_locale_fr_utf8=French_France.65001
 223           else
 224             # None found.
 225             gt_cv_locale_fr_utf8=none
 226           fi
 227           ;;
 228         *)
 229           # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
 230           # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
 231           # configure script would override the LC_ALL setting. Likewise for
 232           # LC_CTYPE, which is also set at the beginning of the configure script.
 233           # Test for the usual locale name.
 234           if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 235             gt_cv_locale_fr_utf8=fr_FR
 236           else
 237             # Test for the locale name with explicit encoding suffix.
 238             if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 239               gt_cv_locale_fr_utf8=fr_FR.UTF-8
 240             else
 241               # Test for the Solaris 7 locale name.
 242               if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
 243                 gt_cv_locale_fr_utf8=fr.UTF-8
 244               else
 245                 # None found.
 246                 gt_cv_locale_fr_utf8=none
 247               fi
 248             fi
 249           fi
 250           ;;
 251       esac
 252     fi
 253     rm -fr conftest*
 254   ])
 255   LOCALE_FR_UTF8=$gt_cv_locale_fr_utf8
 256   AC_SUBST([LOCALE_FR_UTF8])
 257 ])