make watch with inotifywait

Makefile

CPPFLAGS  ::= -std=c++11 -Wall -Werror

tests   ::= $(shell ls tests/*.cpp)
objects ::= $(tests:.cpp=.o)

compile: clean $(objects)

%.o: %.cpp $(corecpp)
	@g++ $(CPPFLAGS) $< -o $@
	@chmod +x $@
	@tests/test_runner.sh $@

clean:
	@rm -f tests/*.o

watch:
	while true; do \
		inotifywait --event MODIFY -q -r *.h tests @*.o; \
		make; \
	done