From e93b1566ef51c9595a8412b6416bf31dce777c53 Mon Sep 17 00:00:00 2001
From: Marcel Holtmann <marcel@holtmann.org>
Date: Tue, 10 Feb 2026 16:43:44 +0100
Subject: [PATCH] eap-aka: Fix build issue with missing _GNU_SOURCE
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  CC       src/eap-aka.o
src/eap-aka.c: In function ‘eap_aka_clear_secrets’:
src/eap-aka.c:114:9: error: implicit declaration of function ‘explicit_bzero’ [-Wimplicit-function-declaration]
  114 |         explicit_bzero(aka->mk, sizeof(aka->mk));
      |         ^~~~~~~~~~~~~~
---
 src/eap-aka.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/eap-aka.c b/src/eap-aka.c
index 9b693875..865f4181 100644
--- a/src/eap-aka.c
+++ b/src/eap-aka.c
@@ -24,9 +24,11 @@
 #include <config.h>
 #endif
 
+#define _GNU_SOURCE
 #include <ctype.h>
 #include <stdio.h>
 #include <errno.h>
+#include <string.h>
 #include <ell/ell.h>
 
 #include "src/missing.h"