CXX=g++ export OPTIONS=-std=c++17 -ggdb -O1 -Wall -Wextra -Winit-self -Wshadow -Wlogical-op -Wcomment -pedantic -Werror -Wfatal-errors -Wctor-dtor-privacy -Wold-style-cast -Wzero-as-null-pointer-constant -Wduplicated-cond -Wunused-const-variable -D_GLIBCXX_DEBUG -fno-diagnostics-show-option CXXFLAGS:=$$OPTIONS main:: Die.h clean: -rm -f main *.o a.out *.gch