1 files changed, 106 insertions, 53 deletions

diff --git a/gl/m4/locale-fr.m4 b/gl/m4/locale-fr.m4
index 8c41fadf..f504d5b5 100644
--- a/gl/m4/locale-fr.m4
+++ b/gl/m4/locale-fr.m4
@@ -1,13 +1,15 @@
-# locale-fr.m4 serial 20
-dnl Copyright (C) 2003, 2005-2023 Free Software Foundation, Inc.
+# locale-fr.m4
+# serial 24
+dnl Copyright (C) 2003, 2005-2025 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
+dnl This file is offered as-is, without any warranty.
 
 dnl From Bruno Haible.
 
 dnl Determine the name of a french locale with traditional encoding.
-AC_DEFUN([gt_LOCALE_FR],
+AC_DEFUN_ONCE([gt_LOCALE_FR],
 [
   AC_REQUIRE([AC_CANONICAL_HOST])
   AC_REQUIRE([AM_LANGINFO_CODESET])
@@ -70,8 +72,9 @@ int main () {
   if (strftime (buf, sizeof (buf), "%b", &t) < 3 || buf[2] != 'v') return 1;
 # if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
   /* Check whether the decimal separator is a comma.
-     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
-     are nl_langinfo(RADIXCHAR) are both ".".  */
+     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale
+     and on Haiku in the fr_FR.UTF-8 locale,
+     localeconv()->decimal_point are nl_langinfo(RADIXCHAR) are both ".".  */
   if (localeconv () ->decimal_point[0] != ',') return 1;
 # endif
   return 0;
@@ -81,12 +84,13 @@ int main () {
     if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
       case "$host_os" in
         # Handle native Windows specially, because there setlocale() interprets
-        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
+        # "ar" or "ara" as "Arabic" or "Arabic_Saudi Arabia.1256",
+        # "en" or "eng" as "English" or "English_United States.1252",
         # "fr" or "fra" as "French" or "French_France.1252",
         # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
-        # "ja" as "Japanese" or "Japanese_Japan.932",
+        # "ja" or "jpn" as "Japanese" or "Japanese_Japan.932",
         # and similar.
-        mingw*)
+        mingw* | windows*)
           # Test for the native Windows locale name.
           if (LC_ALL=French_France.1252 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
             gt_cv_locale_fr=French_France.1252
@@ -116,7 +120,7 @@ int main () {
                 if (LC_ALL=fr_FR.iso88591 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                   gt_cv_locale_fr=fr_FR.iso88591
                 else
-                  # Test for the Solaris 7 locale name.
+                  # Test for the Solaris 10 locale name.
                   if (LC_ALL=fr LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
                     gt_cv_locale_fr=fr
                   else
@@ -133,15 +137,31 @@ int main () {
     rm -fr conftest*
   ])
   LOCALE_FR=$gt_cv_locale_fr
+  case $LOCALE_FR in #(
+    '' | *[[[:space:]\"\$\'*@<:@]]*)
+      dnl This locale name might cause trouble with sh or make.
+      AC_MSG_WARN([invalid locale "$LOCALE_FR"; assuming "none"])
+      LOCALE_FR=none;;
+  esac
   AC_SUBST([LOCALE_FR])
 ])
 
 dnl Determine the name of a french locale with UTF-8 encoding.
-AC_DEFUN([gt_LOCALE_FR_UTF8],
+AC_DEFUN_ONCE([gt_LOCALE_FR_UTF8],
 [
+  AC_REQUIRE([AC_CANONICAL_HOST])
   AC_REQUIRE([AM_LANGINFO_CODESET])
   AC_CACHE_CHECK([for a french Unicode locale], [gt_cv_locale_fr_utf8], [
-    AC_LANG_CONFTEST([AC_LANG_SOURCE([[
+    case "$host_os" in
+      *-musl* | midipix*)
+        dnl On musl libc, all kinds of ll_CC.UTF-8 locales exist, even without
+        dnl any locale file on disk. But they are effectively equivalent to the
+        dnl C.UTF-8 locale, except for locale categories (such as LC_MESSSAGES)
+        dnl for which localizations (.mo files) have been installed.
+        gt_cv_locale_fr_utf8=fr_FR.UTF-8
+        ;;
+      *)
+        AC_LANG_CONFTEST([AC_LANG_SOURCE([[
 #include <locale.h>
 #include <time.h>
 #if HAVE_LANGINFO_CODESET
@@ -197,57 +217,90 @@ int main () {
 #endif
 #if !defined __BIONIC__ /* Bionic libc's 'struct lconv' is just a dummy.  */
   /* Check whether the decimal separator is a comma.
-     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale, localeconv()->decimal_point
-     are nl_langinfo(RADIXCHAR) are both ".".  */
+     On NetBSD 3.0 in the fr_FR.ISO8859-1 locale
+     and on Haiku in the fr_FR.UTF-8 locale,
+     localeconv()->decimal_point are nl_langinfo(RADIXCHAR) are both ".".  */
   if (localeconv () ->decimal_point[0] != ',') return 1;
 #endif
   return 0;
 }
-      ]])])
-    if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
-      case "$host_os" in
-        # Handle native Windows specially, because there setlocale() interprets
-        # "ar" as "Arabic" or "Arabic_Saudi Arabia.1256",
-        # "fr" or "fra" as "French" or "French_France.1252",
-        # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
-        # "ja" as "Japanese" or "Japanese_Japan.932",
-        # and similar.
-        mingw*)
-          # Test for the hypothetical native Windows locale name.
-          if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-            gt_cv_locale_fr_utf8=French_France.65001
-          else
-            # None found.
-            gt_cv_locale_fr_utf8=none
-          fi
-          ;;
-        *)
-          # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
-          # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
-          # configure script would override the LC_ALL setting. Likewise for
-          # LC_CTYPE, which is also set at the beginning of the configure script.
-          # Test for the usual locale name.
-          if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-            gt_cv_locale_fr_utf8=fr_FR
-          else
-            # Test for the locale name with explicit encoding suffix.
-            if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-              gt_cv_locale_fr_utf8=fr_FR.UTF-8
-            else
-              # Test for the Solaris 7 locale name.
-              if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
-                gt_cv_locale_fr_utf8=fr.UTF-8
+          ]])])
+        if AC_TRY_EVAL([ac_link]) && test -s conftest$ac_exeext; then
+          case "$host_os" in
+            # Handle native Windows specially, because there setlocale() interprets
+            # "ar" or "ara" as "Arabic" or "Arabic_Saudi Arabia.1256",
+            # "en" or "eng" as "English" or "English_United States.1252",
+            # "fr" or "fra" as "French" or "French_France.1252",
+            # "ge"(!) or "deu"(!) as "German" or "German_Germany.1252",
+            # "ja" or "jpn" as "Japanese" or "Japanese_Japan.932",
+            # and similar.
+            mingw* | windows*)
+              # Test for the hypothetical native Windows locale name.
+              if (LC_ALL=French_France.65001 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+                gt_cv_locale_fr_utf8=French_France.65001
               else
                 # None found.
                 gt_cv_locale_fr_utf8=none
               fi
-            fi
-          fi
-          ;;
-      esac
-    fi
-    rm -fr conftest*
+              ;;
+            *)
+              # Setting LC_ALL is not enough. Need to set LC_TIME to empty, because
+              # otherwise on Mac OS X 10.3.5 the LC_TIME=C from the beginning of the
+              # configure script would override the LC_ALL setting. Likewise for
+              # LC_CTYPE, which is also set at the beginning of the configure script.
+              # Test for the usual locale name.
+              if (LC_ALL=fr_FR LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+                gt_cv_locale_fr_utf8=fr_FR
+              else
+                # Test for the locale name with explicit encoding suffix.
+                if (LC_ALL=fr_FR.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+                  gt_cv_locale_fr_utf8=fr_FR.UTF-8
+                else
+                  # Test for the Solaris 10 locale name.
+                  if (LC_ALL=fr.UTF-8 LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+                    gt_cv_locale_fr_utf8=fr.UTF-8
+                  else
+                    # None found.
+                    gt_cv_locale_fr_utf8=none
+                  fi
+                fi
+              fi
+              ;;
+          esac
+        fi
+        rm -fr conftest*
+        ;;
+    esac
   ])
   LOCALE_FR_UTF8=$gt_cv_locale_fr_utf8
+  case $LOCALE_FR_UTF8 in #(
+    '' | *[[[:space:]\"\$\'*@<:@]]*)
+      dnl This locale name might cause trouble with sh or make.
+      AC_MSG_WARN([invalid locale "$LOCALE_FR_UTF8"; assuming "none"])
+      LOCALE_FR_UTF8=none;;
+  esac
   AC_SUBST([LOCALE_FR_UTF8])
+
+  dnl Users of $LOCALE_FR_UTF8 need to know which of the locale categories they
+  dnl can rely on.
+  case "$host_os" in
+    *-musl* | midipix*)
+      dnl On musl libc, locale categories other than LC_CTYPE and LC_MESSAGES
+      dnl are effectively unimplemented.
+      LC_COLLATE_IMPLEMENTED=false
+      LC_NUMERIC_IMPLEMENTED=false
+      LC_TIME_IMPLEMENTED=false
+      LC_MONETARY_IMPLEMENTED=false
+      ;;
+    *)
+      LC_COLLATE_IMPLEMENTED=true
+      LC_NUMERIC_IMPLEMENTED=true
+      LC_TIME_IMPLEMENTED=true
+      LC_MONETARY_IMPLEMENTED=true
+      ;;
+  esac
+  AC_SUBST([LC_COLLATE_IMPLEMENTED])
+  AC_SUBST([LC_NUMERIC_IMPLEMENTED])
+  AC_SUBST([LC_TIME_IMPLEMENTED])
+  AC_SUBST([LC_MONETARY_IMPLEMENTED])
 ])