Allow to override MAX_RECURSE_EVAL_NOCHANGE_DEPTH,

introduced in change 28939 (this should be documented)

p4raw-id: //depot/perl@30293

1 files changed, 2 insertions, 0 deletions

diff --git a/regexp.h b/regexp.h
index c526cf98e5..f6d3c7b53a 100644
--- a/regexp.h
+++ b/regexp.h
@@ -299,7 +299,9 @@ typedef struct {
 
 /* structures for holding and saving the state maintained by regmatch() */
 
+#ifndef MAX_RECURSE_EVAL_NOCHANGE_DEPTH
 #define MAX_RECURSE_EVAL_NOCHANGE_DEPTH 50
+#endif
 
 typedef I32 CHECKPOINT;