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-rw-r--r--CMakeLists.txt7
1 files changed, 6 insertions, 1 deletions
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)