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-rw-r--r--posix/regex.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/posix/regex.c b/posix/regex.c
index 4c3826238b..7a4f304cdd 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -74,6 +74,12 @@
/* POSIX says that <sys/types.h> must be included (by the caller) before
<regex.h>. */
#include <sys/types.h>
+
+/* On some systems, limits.h sets RE_DUP_MAX to a lower value than
+ GNU regex allows. Include it before <regex.h>, which correctly
+ #undefs RE_DUP_MAX and sets it to the right value. */
+#include <limits.h>
+
#include <regex.h>
#include "regex_internal.h"