mk/rte.sdkconfig.mk

   1 #   BSD LICENSE
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  11 #       notice, this list of conditions and the following disclaimer.
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  18 #       from this software without specific prior written permission.
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  21 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  30 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 .PHONY: showversion
  33 showversion:
  34         @sed -rn 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
  35                 $(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h | \
  36                 tr '\n' '.' | sed -r 's,\.([0-9]+)\.$$,r\1\n,'
  37
  38 INSTALL_CONFIGS := $(filter-out %~,\
  39         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
  40         $(wildcard $(RTE_SRCDIR)/config/defconfig_*)))
  41 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
  42
  43 .PHONY: showconfigs
  44 showconfigs:
  45         @$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)
  46
  47 .PHONY: config
  48 ifeq ($(RTE_CONFIG_TEMPLATE),)
  49 config:
  50         @printf "No template specified. "
  51         @echo "Use T=template among the following list:"
  52         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
  53 else
  54 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  55         $(Q)$(MAKE) depdirs
  56         @echo "Configuration done"
  57 endif
  58
  59 ifdef NODOTCONF
  60 $(RTE_OUTPUT)/.config: ;
  61 else
  62 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE
  63         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  64         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  65                 $(CPP) -undef -P -x assembler-with-cpp \
  66                 -fdirectives-only -ffreestanding \
  67                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  68                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  69                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  70                 fi ; \
  71                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
  72         else \
  73                 echo -n "No template specified. Use T=template " ; \
  74                 echo "among the following list:" ; \
  75                 for t in $(INSTALL_CONFIGS); do \
  76                         echo "  $$t" ; \
  77                 done ; \
  78         fi
  79 endif
  80
  81 # generate a Makefile for this build directory
  82 # use a relative path so it will continue to work even if we move the directory
  83 SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
  84                                 $(abspath $(RTE_OUTPUT)))
  85 OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
  86                                 $(abspath $(RTE_SRCDIR)))
  87 $(RTE_OUTPUT)/Makefile:
  88         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  89         $(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
  90                 > $(RTE_OUTPUT)/Makefile
  91
  92 # clean installed files, and generate a new config header file
  93 # if NODOTCONF variable is defined, don't try to rebuild .config
  94 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
  95         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
  96                 $(RTE_OUTPUT)/hostapp $(RTE_OUTPUT)/lib \
  97                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
  98         @[ -d $(RTE_OUTPUT)/include ] || mkdir -p $(RTE_OUTPUT)/include
  99         $(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
 100                 > $(RTE_OUTPUT)/include/rte_config.h
 101
 102 # generate the rte_config.h
 103 .PHONY: headerconfig
 104 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 105         @true
 106
 107 # check that .config is present, and if yes, check that rte_config.h
 108 # is up to date
 109 .PHONY: checkconfig
 110 checkconfig:
 111         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 112                 echo "No .config in build directory"; \
 113                 exit 1; \
 114         fi
 115         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 116                 headerconfig NODOTCONF=1
 117
 118 .PHONY: FORCE
 119 FORCE: