* tsystem.h: Define HAVE_DECL_GETOPT.

From-SVN: r38623

gcc/ChangeLog

+2001-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+	* tsystem.h: Define HAVE_DECL_GETOPT.
+
 2001-01-02  Philip Blundell  <pb@futuretv.com>
 
 	* config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber 

gcc/tsystem.h

 /* Get common system includes and various definitions and declarations
    based on target macros.
-   Copyright (C) 2000 Free Software Foundation, Inc.
+   Copyright (C) 2000, 2001 Free Software Foundation, Inc.
 
 This file is part of GNU CC.
 
@@ -22,6 +22,17 @@ Boston, MA 02111-1307, USA.  */
 #ifndef __GCC_TSYSTEM_H__
 #define __GCC_TSYSTEM_H__
 
+/* System headers (e.g. stdio.h, stdlib.h, unistd.h) sometimes
+   indirectly include getopt.h.  Our -I flags will cause gcc's gnu
+   getopt.h to be included, not the platform's copy.  In the default
+   case, gnu getopt.h will provide us with a no-argument prototype
+   which will generate -Wstrict-prototypes warnings.  None of the
+   target files actually use getopt, so it is safe to tell gnu
+   getopt.h we never need this prototype.  */
+#ifndef HAVE_DECL_GETOPT
+#define HAVE_DECL_GETOPT 1
+#endif
+
 /* GCC supplies this header. */
 #include <stddef.h>