CXX= clang++-8
CXXFLAGS= --std=c++17 -g -fprofile-instr-generate -fcoverage-mapping

all: tests

tests: bin/tests
	LLVM_PROFILE_FILE="./bin/tests.profraw" ./bin/tests
	@llvm-profdata merge -sparse ./bin/tests.profraw -o ./bin/tests.profdata
	@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp
	@llvm-cov report ./bin/tests -instr-profile=./bin/tests.profdata include/*.hpp | tail -n 1 | tr -s " " | sed -e 's/ /,/g' -- | awk -F "," '{print $$9}' | sed -e 's/^/Untested lines: /g'

bin/tests: tests.cpp $(wildcard tests/*.cpp) $(wildcard include/*.hpp) ./tests/test_scaffold.h
	@mkdir -p $(@D)
	$(CXX) $(CXXFLAGS) -Itests -Iinclude tests.cpp -o $@

clean: ./bin
	@rm -rf $<