1 files changed, 24 insertions, 14 deletions

diff --git a/intl/cat-compat.c b/intl/cat-compat.c
index 4a9a1d8..867d901 100644
--- a/intl/cat-compat.c
+++ b/intl/cat-compat.c
@@ -1,20 +1,19 @@
 /* Compatibility code for gettext-using-catgets interface.
-   Copyright (C) 1995 Free Software Foundation, Inc.
+   Copyright (C) 1995, 1997 Free Software Foundation, Inc.
 
-The GNU C Library is free software; you can redistribute it and/or
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
 
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-Library General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB.  If
-not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software Foundation,
+   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 
 #ifdef HAVE_CONFIG_H
 # include <config.h>
@@ -40,6 +39,16 @@ char *getenv ();
 
 /* @@ end of prolog @@ */
 
+/* XPG3 defines the result of `setlocale (category, NULL)' as:
+   ``Directs `setlocale()' to query `category' and return the current
+     setting of `local'.''
+   However it does not specify the exact format.  And even worse: POSIX
+   defines this not at all.  So we can use this feature only on selected
+   system (e.g. those using GNU C Library).  */
+#ifdef _LIBC
+# define HAVE_LOCALE_NULL
+#endif
+
 /* The catalog descriptor.  */
 static nl_catd catalog = (nl_catd) -1;
 
@@ -68,7 +77,8 @@ textdomain (domainname)
   size_t new_name_len;
   char *lang;
 
-#if HAVE_SETLOCALE && HAVE_LC_MESSAGES && HAVE_SETLOCALE_NULL
+#if defined HAVE_SETLOCALE && defined HAVE_LC_MESSAGES \
+    && defined HAVE_LOCALE_NULL
   lang = setlocale (LC_MESSAGES, NULL);
 #else
   lang = getenv ("LC_ALL");