gentoo-overlay/dev-libs/libmowgli/files/libmowgli-2.1.3-cacheline-Ensure-sysconf-var-is-defined-before-use.patch

From 2b8892fe2ca51ef0334b08babad0fa9d689087c0 Mon Sep 17 00:00:00 2001
From: "A. Wilcox" <AWilcox@Wilcox-Tech.com>
Date: Wed, 27 Sep 2017 01:42:33 -0500
Subject: [PATCH] cacheline: Ensure sysconf var is defined before use on Linux

---
 src/libmowgli/platform/cacheline.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libmowgli/platform/cacheline.c b/src/libmowgli/platform/cacheline.c
index 90c803f..7651588 100644
--- a/src/libmowgli/platform/cacheline.c
+++ b/src/libmowgli/platform/cacheline.c
@@ -32,7 +32,7 @@ size_t cacheline_size;
 void
 mowgli_cacheline_bootstrap(void)
 {
-#ifdef MOWGLI_OS_LINUX
+#if defined(MOWGLI_OS_LINUX) && defined(_SC_LEVEL1_DCACHE_LINESIZE)
 	cacheline_size = sysconf(_SC_LEVEL1_DCACHE_LINESIZE);
 #elif defined(MOWGLI_OS_OSX)
 	size_t size = sizeof(size_t);
-- 
2.24.1