numam-dpdk/mk/rte.sdkconfig.mk

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.PHONY: showversion
showversion:
	@sed -rn 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
		$(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h | \
		tr '\n' '.' | sed -r 's,\.([0-9]+)\.$$,r\1\n,'

INSTALL_CONFIGS := $(filter-out %~,\
	$(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
	$(wildcard $(RTE_SRCDIR)/config/defconfig_*)))
INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))

.PHONY: showconfigs
showconfigs:
	@$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)

.PHONY: config
ifeq ($(RTE_CONFIG_TEMPLATE),)
config:
	@printf "No template specified. "
	@echo "Use T=template among the following list:"
	@$(MAKE) -rR showconfigs | sed 's,^,  ,'
else
config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
	$(Q)$(MAKE) depdirs
	@echo "Configuration done"
endif

ifdef NODOTCONF
$(RTE_OUTPUT)/.config: ;
else
$(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE
	@[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
	$(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
		$(CPP) -undef -P -x assembler-with-cpp \
		-fdirectives-only -ffreestanding \
		-o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
		if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
			cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
		fi ; \
		rm -f $(RTE_OUTPUT)/.config_tmp ; \
	else \
		echo -n "No template specified. Use T=template " ; \
		echo "among the following list:" ; \
		for t in $(INSTALL_CONFIGS); do \
			echo "  $$t" ; \
		done ; \
	fi
endif

# generate a Makefile for this build directory
# use a relative path so it will continue to work even if we move the directory
SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
				$(abspath $(RTE_OUTPUT)))
OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
				$(abspath $(RTE_SRCDIR)))
$(RTE_OUTPUT)/Makefile:
	@[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
	$(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
		> $(RTE_OUTPUT)/Makefile

# clean installed files, and generate a new config header file
# if NODOTCONF variable is defined, don't try to rebuild .config
$(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
	$(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
		$(RTE_OUTPUT)/hostapp $(RTE_OUTPUT)/lib \
		$(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
	@[ -d $(RTE_OUTPUT)/include ] || mkdir -p $(RTE_OUTPUT)/include
	$(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
		> $(RTE_OUTPUT)/include/rte_config.h

# generate the rte_config.h
.PHONY: headerconfig
headerconfig: $(RTE_OUTPUT)/include/rte_config.h
	@true

# check that .config is present, and if yes, check that rte_config.h
# is up to date
.PHONY: checkconfig
checkconfig:
	@if [ ! -f $(RTE_OUTPUT)/.config ]; then \
		echo "No .config in build directory"; \
		exit 1; \
	fi
	$(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
		headerconfig NODOTCONF=1
	$(Q)$(MAKE) -s depdirs

.PHONY: FORCE
FORCE: