--- QR-Code-generator-1.5.0/cpp/Makefile	2019-07-15 23:16:50.000000000 +0000
+++ QR-Code-generator-1.5.0/cpp/Makefile	2020-02-04 05:42:53.910203051 +0000
@@ -30,10 +30,6 @@
 
 # Mandatory compiler flags
 CXXFLAGS += -std=c++11
-# Diagnostics. Adding '-fsanitize=address' is helpful for most versions of Clang and newer versions of GCC.
-CXXFLAGS += -Wall -fsanitize=undefined
-# Optimization level
-CXXFLAGS += -O1
 
 
 # ---- Controlling make ----