diff --git a/CMakeLists.txt b/CMakeLists.txt
index fc9e94bc..9470393f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -86,6 +86,8 @@ elseif(UNIX)
                         -fno-threadsafe-statics -fslp-vectorize-aggressive -fslp-vectorize \
 		     	-fno-stack-protector -fstrict-enums -fstrict-vtable-pointers \
 			-fno-coverage-mapping -fno-spell-checking -fshort-enums \
+			-finline-hint-functions -fno-unroll-loops -fno-tree-loop-optimize \
+		       	-fwhole-program-vtables")
 
 		set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -ggdb")