[m-rev.] trivial diff: avoid using MR_GNUC in a spot

[Julien Fischer]

Branches: main, 11.07

runtime/mercury_getopt.c:
 	Don't use MR_GNUC here since we don't #include the usual
 	Mercury headers here and it will always be undefined.

Julien.

Index: runtime/mercury_getopt.c
===================================================================
RCS file: /home/mercury/mercury1/repository/mercury/runtime/mercury_getopt.c,v
retrieving revision 1.4
diff -u -r1.4 mercury_getopt.c
--- runtime/mercury_getopt.c	1 Aug 2011 07:06:20 -0000	1.4
+++ runtime/mercury_getopt.c	9 Aug 2011 11:02:46 -0000
@@ -226,7 +226,7 @@

  /* If using GCC, we can safely declare strlen this way.
     If not using GCC, it is ok not to declare it.  */
-#ifdef MR_GNUC
+#ifdef __GNUC__
  /* Note that Motorola Delta 68k R3V7 comes with GCC but not stddef.h.
     That was relevant to code that was here before.  */
  #if !defined (__STDC__) || !__STDC__
@@ -234,7 +234,7 @@
     and has done so at least since version 2.4.5. -- rms.  */
  extern int strlen (const char *);
  #endif /* not __STDC__ */
-#endif /* MR_GNUC */
+#endif /* __GNUC__ */

  #endif /* not __GNU_LIBRARY__ */


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