blob: cdd3daecd2b665293fd8f7c36056b7f22a0f9a7d (
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PRECOMPILE_HEADERS ?= 0
print-var-help += \
echo " PRECOMPILE_HEADERS ($(PRECOMPILE_HEADERS)): Whether to use precompiled headers to speed up the build";
GCH = $(buildprefix)precompiled-headers.h.gch
$(GCH): precompiled-headers.h
@rm -f $@
@mkdir -p "$(dir $@)"
$(trace-gen) $(CXX) -x c++-header -o $@ $< $(GLOBAL_CXXFLAGS) $(GCH_CXXFLAGS)
clean-files += $(GCH)
ifeq ($(PRECOMPILE_HEADERS), 1)
GLOBAL_CXXFLAGS_PCH += -include $(buildprefix)precompiled-headers.h -Winvalid-pch
GLOBAL_ORDER_AFTER += $(GCH)
endif
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