From 9c669e92179c227301d9bfcb4ae20bc848c4b687 Mon Sep 17 00:00:00 2001
From: Tycho <work.tycho+git@gmail.com>
Date: Mon, 13 Jan 2014 10:13:09 -0800
Subject: Added -march=native to linux targets

---
 CMakeLists.txt | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 416290df1..768b334ab 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -46,12 +46,17 @@ else()
 	add_flags_cxx("-pthread")
 endif()
 
-# Allow for a forced 32-bit build under 32-bit OS:
+# Allow for a forced 32-bit build under 64-bit OS:
 if (FORCE_32)
 	add_flags_cxx("-m32")
 	add_flags_lnk("-m32")
 endif()
 
+#have the compiler generate code spercificly targeted at the current machine on Linux
+if(LINUX AND NOT CROSSCOMPILE)
+	add_flags_cxx("-march=native")
+endif()
+
 # Set lower warnings-level for the libraries:
 if (MSVC)
 	# Remove /W3 from command line -- cannot just cancel it later with /w like in unix, MSVC produces a D9025 warning (option1 overriden by option2)
-- 
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