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zeux/Makefile

Created February 9, 2014 21:29
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Create folders for output files using things you can learn from 'man make'
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Makefile
# Before
$(BUILD)/%.o: %
@mkdir -p $(dir $@)
$(CXX) $< $(CXXFLAGS) -MMD -MP -o $@
-include $(OBJECTS:.o=.d)
# After
.SECONDEXPANSION:
%/.sentinel:
mkdir -p $(dir $@)
@touch $@
$(OBJECTS): $(BUILD)/%.o: % $$(dir $$@).sentinel
$(CXX) $< $(CXXFLAGS) -MMD -MP -o $@
-include $(OBJECTS:.o=.d)
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