$OpenBSD: patch-src_sysdep_h,v 1.2 2011/10/12 10:14:30 dcoppa Exp $

Fix build with GCC2 where the configure test fails
to pickup stdbool.h. So it creates the lib/stdbool.h
which these definitions would override.

--- src/sysdep.h.orig	Thu Oct  6 09:43:49 2011
+++ src/sysdep.h	Thu Oct  6 09:47:13 2011
@@ -119,7 +119,23 @@ void *alloca (size_t);
 #endif
 
 /* Provided by gnulib on systems that don't have it: */
+#if HAVE_STDBOOL_H
 # include <stdbool.h>
+#else
+# if !(defined(__GNUC__) && __GNUC__ < 3)
+# if ! HAVE__BOOL
+#  ifdef __cplusplus
+typedef bool _Bool;
+#  else
+typedef unsigned char _Bool;
+#  endif
+# endif
+# define bool _Bool
+# define false 0
+# define true 1
+# define __bool_true_false_are_defined 1
+#endif
+#endif
 
 /* Needed for compilation under OS/2 and MSDOS */
 #if defined(__EMX__) || defined(MSDOS)