From 2bc5f86adf5f1c0feb76d83e1a627e5649e6beab Mon Sep 17 00:00:00 2001
From: Karl Williamson <khw@cpan.org>
Date: Thu, 20 Feb 2020 16:51:31 -0700
Subject: Add mutex for accessing ENV

---
 makedef.pl | 1 +
 1 file changed, 1 insertion(+)

(limited to 'makedef.pl')

diff --git a/makedef.pl b/makedef.pl
index 5fbca37752..f0805e9059 100644
--- a/makedef.pl
+++ b/makedef.pl
@@ -399,6 +399,7 @@ unless ($define{'USE_ITHREADS'}) {
 		    PL_regex_pad
 		    PL_regex_padav
 		    PL_dollarzero_mutex
+		    PL_env_mutex
 		    PL_hints_mutex
 		    PL_locale_mutex
 		    PL_lc_numeric_mutex
-- 
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