Merge tag 'upstream/0.9.6'

Upstream version 0.9.6

1 files changed, 99 insertions, 0 deletions

diff --git a/gnulib-m4/locale-ar.m4 b/gnulib-m4/locale-ar.m4
new file mode 100644
index 0000000..fd16338
--- /dev/null
+++ b/gnulib-m4/locale-ar.m4
@@ -0,0 +1,99 @@
+# locale-ar.m4 serial 6
+dnl Copyright (C) 2003, 2005-2015 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 From Ben Pfaff, based on locale-fr.m4 by Bruno Haible.
+
+dnl Determine the name of an Arabic locale with traditional encoding.
+AC_DEFUN([gt_LOCALE_AR],
+[
+  AC_REQUIRE([AC_CANONICAL_HOST])
+  AC_REQUIRE([AM_LANGINFO_CODESET])
+  AC_CACHE_CHECK([for a traditional Arabic locale], [gt_cv_locale_ar], [
+    AC_LANG_CONFTEST([AC_LANG_SOURCE([
+changequote(,)dnl
+#include <locale.h>
+#include <time.h>
+#if HAVE_LANGINFO_CODESET
+# include <langinfo.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+struct tm t;
+char buf[16];
+int main () {
+  /* Check whether the given locale name is recognized by the system.  */
+#if (defined _WIN32 || defined __WIN32__) && !defined __CYGWIN__
+  /* On native Windows, setlocale(category, "") looks at the system settings,
+     not at the environment variables.  Also, when an encoding suffix such
+     as ".65001" or ".54936" is specified, it succeeds but sets the LC_CTYPE
+     category of the locale to "C".  */
+  if (setlocale (LC_ALL, getenv ("LC_ALL")) == NULL
+      || strcmp (setlocale (LC_CTYPE, NULL), "C") == 0)
+    return 1;
+#else
+  if (setlocale (LC_ALL, "") == NULL) return 1;
+#endif
+  /* Check that nl_langinfo(CODESET) is nonempty and not "ASCII" or "646"
+     and ends in "6". */
+#if HAVE_LANGINFO_CODESET
+  {
+    const char *cs = nl_langinfo (CODESET);
+    if (cs[0] == '\0' || strcmp (cs, "ASCII") == 0 || strcmp (cs, "646") == 0
+        || cs[strlen (cs) - 1] != '6')
+      return 1;
+  }
+#endif
+#ifdef __CYGWIN__
+  /* On Cygwin, avoid locale names without encoding suffix, because the
+     locale_charset() function relies on the encoding suffix.  Note that
+     LC_ALL is set on the command line.  */
+  if (strchr (getenv ("LC_ALL"), '.') == NULL) return 1;
+#endif
+  return 0;
+}
+changequote([,])dnl
+      ])])
+    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*)
+          # Note that on native Windows, the Arabic locale is
+          # "Arabic_Saudi Arabia.1256", and CP1256 is very different from
+          # ISO-8859-6, so we cannot use it here.
+          gt_cv_locale_ar=none
+          ;;
+        *)
+          # 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.
+          # Values tested:
+          #   - The usual locale name:                         ar_SA
+          #   - The locale name with explicit encoding suffix: ar_SA.ISO-8859-6
+          #   - The HP-UX locale name:                         ar_SA.iso88596
+          #   - The Solaris 7 locale name:                     ar
+          # Also try ar_EG instead of ar_SA because Egypt is a large country too.
+          for gt_cv_locale_ar in ar_SA ar_SA.ISO-8859-6 ar_SA.iso88596 ar_EG ar_EG.ISO-8859-6 ar_EG.iso88596 ar none; do
+            if test $gt_cv_locale_ar = none; then
+              break
+            fi
+            if (LC_ALL=$gt_cv_locale_ar LC_TIME= LC_CTYPE= ./conftest; exit) 2>/dev/null; then
+              break
+            fi
+          done
+          ;;
+      esac
+    fi
+    rm -fr conftest*
+  ])
+  LOCALE_AR=$gt_cv_locale_ar
+  AC_SUBST([LOCALE_AR])
+])