1 files changed, 4 insertions, 0 deletions
diff --git a/custom.h b/custom.h
index 66e755de..b21cf384 100644
--- a/custom.h
+++ b/custom.h
@@ -44,6 +44,10 @@
 #include <fp.h>
 /* isnan () macro is broken */
 #undef isnan
+/* VMS has POSIX confirming limits.h */
+#ifndef _REGEX_INCLUDE_LIMITS_H
+#define _REGEX_INCLUDE_LIMITS_H 1
+#endif
 #ifndef _GNU_SOURCE
 #define _GNU_SOURCE 1
 #endif /* _GNU_SOURCE */