mk/rte.sdkconfig.mk

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  31
  32 INSTALL_CONFIGS := $(filter-out %~,\
  33         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
  34         $(wildcard $(RTE_SRCDIR)/config/defconfig_*)))
  35 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
  36
  37 .PHONY: config
  38 ifeq ($(RTE_CONFIG_TEMPLATE),)
  39 config:
  40         @echo -n "No template specified. Use T=template " ; \
  41         echo "among the following list:" ; \
  42         for t in $(INSTALL_CONFIGS); do \
  43                 echo "  $$t" ; \
  44         done
  45 else
  46 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  47         $(Q)$(MAKE) depdirs
  48         @echo "Configuration done"
  49 endif
  50
  51 ifdef NODOTCONF
  52 $(RTE_OUTPUT)/.config: ;
  53 else
  54 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE
  55         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  56         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  57                 if grep -q '#include' $(RTE_CONFIG_TEMPLATE) ; then \
  58                         $(CPP) -undef -C -P -x assembler-with-cpp -fdirectives-only \
  59                         -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  60                 else \
  61                         cp $(RTE_CONFIG_TEMPLATE) $(RTE_OUTPUT)/.config_tmp ; \
  62                 fi ; \
  63                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  64                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  65                 fi ; \
  66                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
  67         else \
  68                 echo -n "No template specified. Use T=template " ; \
  69                 echo "among the following list:" ; \
  70                 for t in $(INSTALL_CONFIGS); do \
  71                         echo "  $$t" ; \
  72                 done ; \
  73         fi
  74 endif
  75
  76 # generate a Makefile for this build directory
  77 # use a relative path so it will continue to work even if we move the directory
  78 SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
  79                                 $(abspath $(RTE_OUTPUT)))
  80 OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
  81                                 $(abspath $(RTE_SRCDIR)))
  82 $(RTE_OUTPUT)/Makefile:
  83         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  84         $(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
  85                 > $(RTE_OUTPUT)/Makefile
  86
  87 # clean installed files, and generate a new config header file
  88 # if NODOTCONF variable is defined, don't try to rebuild .config
  89 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
  90         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
  91                 $(RTE_OUTPUT)/hostapp $(RTE_OUTPUT)/lib \
  92                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
  93         @[ -d $(RTE_OUTPUT)/include ] || mkdir -p $(RTE_OUTPUT)/include
  94         $(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
  95                 > $(RTE_OUTPUT)/include/rte_config.h
  96
  97 # generate the rte_config.h
  98 .PHONY: headerconfig
  99 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 100         @true
 101
 102 # check that .config is present, and if yes, check that rte_config.h
 103 # is up to date
 104 .PHONY: checkconfig
 105 checkconfig:
 106         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 107                 echo "No .config in build directory"; \
 108                 exit 1; \
 109         fi
 110         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 111                 headerconfig NODOTCONF=1
 112
 113 .PHONY: FORCE
 114 FORCE: