mk/rte.sdkconfig.mk

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