configure.in: Define macros that affect features before testing for features.

	* configure.in: Define macros that affect features before
	testing for features.  Don't define _XOPEN_SOURCE.
	* configure: Regenerated.
	* config.in: Regenerated.

From-SVN: r36463

gcc/ChangeLog

+2000-09-16  Geoffrey Keating  <geoffk@cygnus.com>
+
+	* configure.in: Define macros that affect features before
+	testing for features.  Don't define _XOPEN_SOURCE.
+	* configure: Regenerated.
+	* config.in: Regenerated.
+
 Sat Sep 16 19:42:50 EDT 2000  John Wehle  (john@feith.com)
 
 	* rtlanal.c (rtx_varies_p): Volatile asms vary.

gcc/config.in

@@ -328,18 +328,15 @@
    character sets for source code. */
 #undef MULTIBYTE_CHARS
 
+/* Always define this */
+#undef _GNU_SOURCE
+
 /* Define if your compiler understands volatile. */
 #undef HAVE_VOLATILE
 
 /* Define if you can safely include both <string.h> and <strings.h>. */
 #undef STRING_WITH_STRINGS
 
-/* Always define this */
-#undef _XOPEN_SOURCE
-
-/* Always define this */
-#undef _GNU_SOURCE
-
 /* Define if you have a working <inttypes.h> header file. */
 #undef HAVE_INTTYPES_H
 

gcc/configure.in

@@ -395,6 +395,9 @@ else
     AC_MSG_RESULT(no)
 fi
 
+# Define _GNU_SOURCE, since this is a GNU program.
+AC_DEFINE(_GNU_SOURCE, 1, [Always define this])
+
 AC_C_INLINE
 
 # Find some useful tools
@@ -420,13 +423,6 @@ AC_CHECK_HEADERS(limits.h stddef.h string.h strings.h stdlib.h time.h \
 AC_CHECK_HEADER(thread.h, [have_thread_h=yes], [have_thread_h=])
 AC_CHECK_HEADER(pthread.h, [have_pthread_h=yes], [have_pthread_h=])
 
-# Always define _XOPEN_SOURCE.  It doesn't hurt, and it lets us
-# pick up CODESET from langinfo.h, among other things.
-AC_DEFINE(_XOPEN_SOURCE, 1, [Always define this])
-# If we define _XOPEN_SOURCE on a glibc2 system, it hides other
-# interfaces.  Make them visible again with _GNU_SOURCE.
-AC_DEFINE(_GNU_SOURCE, 1, [Always define this])
-
 # See if GNAT has been installed
 AC_CHECK_PROG(gnat, gnatbind, yes, no)