From 7c65a465a3ddeb7afb9a7c49d010ae7e5d5b1ad1 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Tue, 18 Jul 2017 20:25:49 -0700
Subject: [PATCH] spi: Define _XOPEN_SOURCE to enable ffs() libc API

musl exposes this issue

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 spi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spi.c b/spi.c
index 894f73f..aeb6518 100644
--- a/spi.c
+++ b/spi.c
@@ -21,7 +21,7 @@
 /*
  * Contains the generic SPI framework
  */
-
+#define _XOPEN_SOURCE
 #include <strings.h>
 #include <string.h>
 #include "flash.h"
-- 
2.13.3