From 79bcb060a531e67e68c86ea8a9f8ab34f368886c Mon Sep 17 00:00:00 2001
From: Dmitry Igrishin <dmitigr@gmail.com>
Date: Sun, 9 Oct 2016 20:34:43 +0300
Subject: [PATCH] Get rid of warning about ffsl().

---
 src/runtime/gc-common.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/runtime/gc-common.c b/src/runtime/gc-common.c
index e7e0bee77..9b4788aec 100644
--- a/src/runtime/gc-common.c
+++ b/src/runtime/gc-common.c
@@ -25,6 +25,8 @@
  *   <ftp://ftp.cs.utexas.edu/pub/garbage/bigsurv.ps>.
  */
 
+#define _GNU_SOURCE /* for ffsl(3) from string.h */
+
 #include <stdio.h>
 #include <signal.h>
 #include <string.h>
-- 
2.11.4.GIT