From e5b1706c98962ec402bf046014ef0d30fe9db5cc Mon Sep 17 00:00:00 2001
From: Johannes <johannes.brechtmann@gmail.com>
Date: Sat, 12 Oct 2019 17:57:38 +0200
Subject: [PATCH] Fix build against musl libc

Origin: Void Linux
Upstream-Status: Unknown
[ismael@sourcemage.org: Edited commit message]
Signed-off-by: Ismael Luceno <ismael@sourcemage.org>
---
 src/components/perf_event/tests/perf_event_system_wide.c |    3 +++
 1 file changed, 3 insertions(+)

--- a/src/components/perf_event/tests/perf_event_system_wide.c
+++ b/src/components/perf_event/tests/perf_event_system_wide.c
@@ -15,6 +15,9 @@
 #define __USE_GNU
 #endif
 
+/* For cpu_set_t */
+#define _GNU_SOURCE
+
 /* For sched_setaffinity() */
 #include <sched.h>