CC = gcc # Flag for implicit rules
CFLAGS = -g # Flag for implicit rules. Turn on debug info

# Implicit rule #1: blah is built via the C linker implicit rule
# Implicit rule #2:  blah.o is built via the C++ compilation implicit rule, because blah.cpp exists
blah: blah.o

blah.c:
	echo "int main() { return 0; }" > blah.c

clean:
	rm -f blah*