From 60d7b0c35a9ad56344c7ba986620633d78bdba6c Mon Sep 17 00:00:00 2001
From: Karl Williamson <khw@cpan.org>
Date: Thu, 11 May 2023 06:39:44 -0600
Subject: hints/darwin.sh: Turn off POSIX 2008 locales

This is failing on smokes:
http://nntp.perl.org/group/perl.perl5.porters/266341

What I've noticed in working with changes to the locale handling code
(that isn't ready for v5.38) is that querylocale() has intermittent
failures, that aren't fully solved by using a mutex, and that versions
of Darwin earlier than major 20 have other problems with the POSIX 2008
API.  These may be solved in Darwin 20 after disabling querylocale(),
but the failure rate was so infrequent that I'm unsure if it has been
fixed or just hasn't come up.  So it is safest to just disable POSIX
2008 in Darwin for 5.38.
---
 hints/darwin.sh | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hints/darwin.sh b/hints/darwin.sh
index 97a3ec59a9..72bdfb6a13 100644
--- a/hints/darwin.sh
+++ b/hints/darwin.sh
@@ -357,6 +357,9 @@ EOM
         esac
     fi
 
+    # The OS is buggy with respect to this.
+    ccflags="$ccflags -DNO_POSIX_2008_LOCALE"
+
    lddlflags="${ldflags} -bundle -undefined dynamic_lookup"
    ;;
 esac
-- 
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