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CXX = g++
CXXFLAGS = -Wall -O2
.PHONY: all clean remake
all: graytrace
clean:
rm -f graytrace graytrace.o lodepng.o
remake: clean all
graytrace: lodepng.o graytrace.cpp graytrace.o
$(CXX) $(CXXFLAGS) graytrace.o lodepng.o -o graytrace
lodepng.o: lodepng.cpp lodepng.h
$(CXX) $(CXXFLAGS) -c -o lodepng.o lodepng.cpp
lodepng.cpp:
@if ! test -e lodepng.cpp; then \
/bin/echo -n Downloading lodepng...\ ; \
curl -s 'https://raw.githubusercontent.com/lvandeve/lodepng/master/lodepng.cpp' >lodepng.cpp; \
curl -s 'https://raw.githubusercontent.com/lvandeve/lodepng/master/lodepng.h' >lodepng.h; \
/bin/echo done.; \
fi
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