CXX     = clang++
CXXFLAGS = -std=c++11 -W -Wall -O3 -ffast-math -Werror -g
BUILD_DIR=/tmp
IMG=img/lena.ppm

all: rotation.cpp
	$(CXX) $(CXXFLAGS) $< -o $(BUILD_DIR)/rotation

clean:
	@rm -f *~ *.o .*.swp *.ppm cachegrind.out.*

run: all
	$(BUILD_DIR)/rotation $(IMG)

cachegrind: all
	valgrind --tool=cachegrind $(BUILD_DIR)/rotation $(IMG)