From e3bc65fa6d34f343edd70d2804a3912ec160e596 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tor=20Arne=20Vestb=C3=B8?= <torarnv@gmail.com>
Date: Thu, 7 Feb 2013 22:25:18 +0100
Subject: [PATCH] Try to detect if we have GCC 4.2 or higher for enabling
 -march=native

---
 Makefile | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 913767f..5e124d2 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,13 @@
 TARGET = sparsebundlefs
 
 PKG_CONFIG = pkg-config
-CFLAGS = -Wall -O2 -march=native
+CFLAGS = -Wall -O2
+
+GCC_4_2_OR_HIGHER := $(shell expr `$(CXX) -dumpversion | sed 's/\.//g'` \>= 420)
+ifeq "$(GCC_4_2_OR_HIGHER)" "1"
+    CFLAGS += -march=native
+endif
+
 DEFINES = -DFUSE_USE_VERSION=26
 
 ifeq ($(shell uname), Darwin)