CPPFLAGS=$(shell sdl2-config --cflags) $(shell $(PKG_CONFIG) SDL2_image --cflags) $(EXTRA_CPPFLAGS) LDLIBS=$(shell sdl2-config --libs) $(shell $(PKG_CONFIG) SDL2_image --libs) -lGLEW $(EXTRA_LDLIBS) EXTRA_LDLIBS?=-lGL PKG_CONFIG?=pkg-config all: post-processing clean: rm -f *.o post-processing post-processing: ../common-sdl2/shader_utils.o .PHONY: all clean