From 2d5bba391a203a23c3dfed7ee793c999bc2acd5d Mon Sep 17 00:00:00 2001
From: ailin-nemui <ailin-nemui@users.noreply.github.com>
Date: Tue, 29 Apr 2025 20:34:42 +0000
Subject: [PATCH] Merge pull request #1560 from ailin-nemui/wchar

add missing include for wcwidth thread test

(cherry picked from commit 4ec9d10904ace699cdda8c768a285246cbe448ab)
---
 src/perl/perl-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/perl/perl-core.c b/src/perl/perl-core.c
index c0130612..5722a26f 100644
--- a/src/perl/perl-core.c
+++ b/src/perl/perl-core.c
@@ -18,6 +18,9 @@
     51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
+#define _GNU_SOURCE
+#include <wchar.h>
+
 #define NEED_PERL_H
 #define PERL_NO_GET_CONTEXT
 #include "module.h"