--- src/CMakeLists.txt.orig	2017-12-17 21:14:26 UTC
+++ src/CMakeLists.txt
@@ -4,7 +4,7 @@ add_definitions("-std=c++0x -Wall -D_GNU
 IF(CMAKE_BUILD_TYPE MATCHES "[Dd][Ee][Bb][Uu][Gg]")
 	add_definitions("-g")
 else()
-	add_definitions("-O3")
+	add_definitions("")
 endif()
 
 set(SRC_FILES