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-rw-r--r--include/regex.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/regex.h b/include/regex.h
index b9c2d97cc..8eb97c155 100644
--- a/include/regex.h
+++ b/include/regex.h
@@ -532,7 +532,9 @@ extern int re_exec _RE_ARGS ((const char *));
/* 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. */
+#ifndef __restrict_arr
#define __restrict_arr
+#endif
/* POSIX compatibility. */
extern int regcomp _RE_ARGS ((regex_t *__restrict __preg,