mirror of https://github.com/rusefi/rusefi.git
30 lines
1023 B
Makefile
30 lines
1023 B
Makefile
# Add the PCH dir to source path
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SRCPATHS += $(PCH_DIR)
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PCHOBJ = $(addprefix $(PCH_DIR)/, $(notdir $(PCHSRC:.h=.h.gch)))/$(PCHSUB)
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# Compile precompiled header file(s) as a cpp file, but output to .h.gch file
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$(PCHOBJ) : $(PCH_DIR)/%.h.gch/$(PCHSUB) : %.h Makefile $(CONFIG_FILES)
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@mkdir -p $<.gch
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ifeq ($(USE_VERBOSE_COMPILE),yes)
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@echo
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$(CPPC) -c $(CPPFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
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else
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@echo Compiling $(<F)
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@$(CPPC) -c $(CPPFLAGS) $(AOPT) -I. $(IINCDIR) $< -o $@
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endif
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# Make all cpp objects explicitly depend on the PCH
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# This is necessary because the ChibiOS makefile builds a .o file and generates
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# the deps for that .o file in the same GCC call, so if the .deps aren't already
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# in the correct state, things can fail to build because Make doesn't know it needs
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# to build the prerequisites (in this case PCHOBJ) for those files ahead of time.
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$(TCPPOBJS): $(PCHOBJ)
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$(ACPPOBJS): $(PCHOBJ)
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$(CPPOBJS): $(PCHOBJ)
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# Delete PCH output on clean
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CLEAN_PCH_HOOK:
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@echo Cleaning PCH
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rm -f $(PCHOBJ)
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