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diff -uNr glibc-2.2.5.orig/posix/regex.h glibc-2.2.5/posix/regex.h
--- glibc-2.2.5.orig/posix/regex.h 2001-07-06 14:55:38.000000000 +1000
+++ glibc-2.2.5/posix/regex.h 2002-08-09 20:06:19.000000000 +1000
@@ -529,10 +529,14 @@
# endif
# endif
#endif
-/* For now unconditionally define __restrict_arr to expand to nothing.
- Ideally we would have a test for the compiler which allows defining
- it to restrict. */
-#define __restrict_arr
+/* gcc 3.1 and up support the [restrict] syntax. */
+#ifndef __restrict_arr
+# if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1)
+# define __restrict_arr __restrict
+# else
+# define __restrict_arr
+# endif
+#endif
/* POSIX compatibility. */
extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,
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