COMMON_CXXFLAGS = -Wall -Wextra -Wpedantic -std=c++20 \
	-Wformat -Wformat=2 -Wconversion -Wimplicit-fallthrough \
	-U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=3 \
	-D_GLIBCXX_ASSERTIONS \
	-fstrict-flex-arrays=3 \
	-fstack-clash-protection -fstack-protector-strong \
	-Wl,-z,nodlopen -Wl,-z,noexecstack \
	-Wl,-z,relro -Wl,-z,now
ifdef DEBUG
	CXXFLAGS = -Og -g ${COMMON_CXXFLAGS}
else
	CXXFLAGS = -O2 ${COMMON_CXXFLAGS}
endif

OBJDIR = objects

SOURCES = src/main.cpp

OBJECTS = $(addprefix ${OBJDIR}/,$(patsubst %.cpp,%.cpp.o,${SOURCES}))

all: KoreanNumbers

KoreanNumbers: ${OBJECTS}
	$(CXX) $(CXXFLAGS) -fPIE -pie -o KoreanNumbers $^

${OBJDIR}/%.cpp.o: %.cpp
	@mkdir -p $(dir $@)
	$(CXX) $(CXXFLAGS) -c -o $@ $<

.PHONY:

clean:
	rm -f KoreanNumbers
	rm -rf ${OBJDIR}