CXXFLAGS += -O3

GIT_VERSION := $(shell git describe --dirty --always --tags)
COMPILER_VERSION := $(shell ${CXX} --version | head -n1)

all: get_parameters
	${CXX} ${CXXFLAGS} -DGIT_VERSION="\"${GIT_VERSION}\"" -DUSED_FLAGS="\"${USED_FLAGS}\"" -DUSED_COMPILER="\"${COMPILER_VERSION}\"" main.cpp && ./a.out

compile_dummy:
	${CXX} ${CXXFLAGS} -frecord-gcc-switches dummy.cpp

get_parameters: compile_dummy
	$(eval USED_FLAGS := $(shell readelf -p .GCC.command.line a.out | grep -v -e dummy.cpp -e "-frecord-gcc-switches" | grep -e "\[.*\]" | cut -d\] -f2- | tr -d "\n"))

.PHONY: all get_parameters compile_dummy