portable compilation flag

shubhamchandak94 · Nov 14, 2020 · 42ab933 · 42ab933
1 parent c6707b9
commit 42ab933
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -22,13 +22,20 @@ if(result)
   set(CMAKE_INTERPROCEDURAL_OPTIMIZATION TRUE)
 endif()
 
+option(spring_optimize_for_native "Build spoa with -march=native" ON)
+option(spring_optimize_for_portability "Build spoa with -msse4.1" OFF)
+
 message(STATUS "Setting compiler flags")
 #set(FLAGS "${FLAGS} -g")
 #set(FLAGS "${FLAGS} -Wextra")
 #set(FLAGS "${FLAGS} -Wpedantic")
 #set(FLAGS "${FLAGS} -Wall")
 set(FLAGS "${FLAGS} -O3")
-set(FLAGS "${FLAGS} -march=native")
+if (spring_optimize_for_portability)
+    set(FLAGS "${FLAGS} -msse4.1")
+elseif (spring_optimize_for_native)
+    set(FLAGS "${FLAGS} -march=native")
+endif ()
 set(FLAGS "${FLAGS} -fomit-frame-pointer")
 set(FLAGS "${FLAGS} -fstrict-aliasing")
 set(FLAGS "${FLAGS} -ffast-math")