From e4ea8bc867c5d42b4acf30c09de34821ed8edb04 Mon Sep 17 00:00:00 2001
From: Calvin Rose <calsrose@gmail.com>
Date: Mon, 30 Mar 2020 15:38:03 -0500
Subject: [PATCH] Fix features for bsd.

Don't define XOPEN_SOURCE unless we actually need it.
---
 src/core/features.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/core/features.h b/src/core/features.h
index 94beffbe..7ae18edf 100644
--- a/src/core/features.h
+++ b/src/core/features.h
@@ -29,7 +29,8 @@
 #define _POSIX_C_SOURCE 200112L
 #endif
 
-#ifndef _XOPEN_SOURCE
+/* Needed for realpath on linux */
+#if !defined(_XOPEN_SOURCE) && defined(__linux__)
 #define _XOPEN_SOURCE 500
 #endif