toplev.c: Don't declare environ (it's not used anywhere).

	* toplev.c: Don't declare environ (it's not used anywhere).
	* configure.in: Don't check for declaration of environ.
	* config/i386/xm-mingw32.h: Don't #define environ.
	* config.in, configure: Regenerate.

From-SVN: r48758

gcc/ChangeLog

 2002-01-10  Zack Weinberg  <zack@codesourcery.com>
 
+	* toplev.c: Don't declare environ (it's not used anywhere).
+	* configure.in: Don't check for declaration of environ.
+	* config/i386/xm-mingw32.h: Don't #define environ.
+	* config.in, configure: Regenerate.
+
+2002-01-10  Zack Weinberg  <zack@codesourcery.com>
+
 	* configure.in: Set stage1_cflags for powerpc-*-darwin*.
 	* configure: Regenerate.
 

gcc/config.in

@@ -421,9 +421,6 @@
 #undef HAVE_DECL_STRSTR
 
 /* Define to 1 if we found this declaration otherwise define to 0. */
-#undef HAVE_DECL_ENVIRON
-
-/* Define to 1 if we found this declaration otherwise define to 0. */
 #undef HAVE_DECL_ERRNO
 
 /* Define to 1 if we found this declaration otherwise define to 0. */

gcc/config/i386/xm-mingw32.h

@@ -19,8 +19,6 @@ along with GNU CC; see the file COPYING.  If not, write to
 the Free Software Foundation, 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-#define environ _environ
-
 /* Even though we support "/", allow "\" since everybody tests both.  */
 #define DIR_SEPARATOR '\\'
 #define DIR_SEPARATOR_2 '/'

gcc/configure.in

@@ -637,7 +637,7 @@ saved_CFLAGS="$CFLAGS"
 CFLAGS="$CFLAGS -I${srcdir} -I${srcdir}/../include"
 gcc_AC_CHECK_DECLS(getenv atol sbrk abort atof getcwd getwd \
 	strsignal putc_unlocked fputs_unlocked fwrite_unlocked \
-        fprintf_unlocked strstr environ errno \
+        fprintf_unlocked strstr errno \
 	malloc realloc calloc free basename getopt clock, , ,[
 #include "ansidecl.h"
 #include "system.h"])

gcc/toplev.c

@@ -115,10 +115,6 @@ vms_fopen (fname, type)
 #define fopen vms_fopen
 #endif	/* VMS  */
 
-#if defined (HAVE_DECL_ENVIRON) && !HAVE_DECL_ENVIRON
-extern char **environ;
-#endif
-
 /* Carry information from ASM_DECLARE_OBJECT_NAME
    to ASM_FINISH_DECLARE_OBJECT.  */