From 3b26a5c1f12de48721131218e47011b172647ded Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Wed, 4 Dec 2019 23:30:37 +0100
Subject: [PATCH] Define _FORTIFY_SOURCE only on linux-gnu

---
 configure.ac | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 2d1a7122..8b6a4957 100644
--- a/configure.ac
+++ b/configure.ac
@@ -217,7 +217,7 @@ AC_C_VARARRAYS
 
 AC_CHECK_DEFINE([__wasi__], [WASI="yes"], [])
 
-AX_ADD_FORTIFY_SOURCE
+AS_CASE([$host_os], [linux-gnu], [AX_ADD_FORTIFY_SOURCE], [ ])
 
 AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
   [CFLAGS="$CFLAGS -fvisibility=hidden"])