From 103580e35190db556eb229ed221adf13a8239d34 Mon Sep 17 00:00:00 2001
From: Mina Brown <wcbrow02@gmail.com>
Date: Wed, 26 Aug 2026 21:21:56 -0400
Subject: [PATCH] [libkeke_array.c] Define _GNU_SOURCE macro

GCC will not use non-standard GNU functions unless you define this macro.
---
 libkeke_array.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libkeke_array.c b/libkeke_array.c
index 935633b..371f5cc 100644
--- a/libkeke_array.c
+++ b/libkeke_array.c
@@ -1,6 +1,9 @@
 #ifndef LIBKEKE_ARRAY
 #define LIBKEKE_ARRAY
 
+// Required for qsort_r on Linux
+#define _GNU_SOURCE
+
 #include <stddef.h>
 #include <stdlib.h>
 #include <stdint.h>