--- a/CMakeLists.txt	2017-02-13 11:12:47.866321035 -0200
+++ b/CMakeLists.txt	2017-02-13 11:18:55.769657370 -0200
@@ -533,9 +533,9 @@
     include (VcMacros)
 
     if(Vc_COMPILER_IS_CLANG)
-        set(ADDITIONAL_VC_FLAGS "-Wabi -ffp-contract=fast -fPIC")
+        add_compile_options(-Wabi -ffp-contract=fast -fPIC)
     elseif (NOT MSVC)
-        set(ADDITIONAL_VC_FLAGS "-Wabi -fabi-version=0 -ffp-contract=fast -fPIC")
+        add_compile_options(-Wabi -fabi-version=0 -ffp-contract=fast -fPIC)
     endif()
 
     #Handle Vc master