mk/rte.sdkconfig.mk

   1 #   BSD LICENSE
   2 #
   3 #   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   4 #   All rights reserved.
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   8 #   are met:
   9 #
  10 #     * Redistributions of source code must retain the above copyright
  11 #       notice, this list of conditions and the following disclaimer.
  12 #     * Redistributions in binary form must reproduce the above copyright
  13 #       notice, this list of conditions and the following disclaimer in
  14 #       the documentation and/or other materials provided with the
  15 #       distribution.
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  17 #       contributors may be used to endorse or promote products derived
  18 #       from this software without specific prior written permission.
  19 #
  20 #   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21 #   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22 #   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23 #   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24 #   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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  28 #   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29 #   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30 #   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31
  32 .PHONY: showversion
  33 showversion:
  34         @set -- \
  35                 $$(sed -rne 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
  36                         -e 's,^#define RTE_VER_SUFFIX[[:space:]]+"(.*)",\1,p' \
  37                         $(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h) ;\
  38                 printf '%d.%d.%d' "$$1" "$$2" "$$3"; \
  39                 if [ -z "$$4" ]; then echo; \
  40                 else printf '%s' "$$4"; \
  41                         if [ $$5 -lt 16 ] ; then echo $$5; \
  42                         else echo $$(($$5 - 16)); fi; \
  43                 fi
  44
  45 INSTALL_CONFIGS := $(sort $(filter-out %~,\
  46         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
  47         $(wildcard $(RTE_SRCDIR)/config/defconfig_*))))
  48 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
  49
  50 .PHONY: showconfigs
  51 showconfigs:
  52         @$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)
  53
  54 .PHONY: config
  55 ifeq ($(RTE_CONFIG_TEMPLATE),)
  56 config:
  57         @printf "No template specified. "
  58         @echo "Use T=template among the following list:"
  59         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
  60 else
  61 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  62         $(Q)$(MAKE) depdirs
  63         @echo "Configuration done"
  64 endif
  65
  66 ifdef NODOTCONF
  67 $(RTE_OUTPUT)/.config: ;
  68 else
  69 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE
  70         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  71         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  72                 $(CPP) -undef -P -x assembler-with-cpp \
  73                 -fdirectives-only -ffreestanding \
  74                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  75                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  76                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  77                 fi ; \
  78                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
  79         else \
  80                 echo -n "No template specified. Use T=template " ; \
  81                 echo "among the following list:" ; \
  82                 for t in $(INSTALL_CONFIGS); do \
  83                         echo "  $$t" ; \
  84                 done ; \
  85         fi
  86 endif
  87
  88 # generate a Makefile for this build directory
  89 # use a relative path so it will continue to work even if we move the directory
  90 SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
  91                                 $(abspath $(RTE_OUTPUT)))
  92 OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
  93                                 $(abspath $(RTE_SRCDIR)))
  94 $(RTE_OUTPUT)/Makefile:
  95         @[ -d $(RTE_OUTPUT) ] || mkdir -p $(RTE_OUTPUT)
  96         $(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
  97                 > $(RTE_OUTPUT)/Makefile
  98
  99 # clean installed files, and generate a new config header file
 100 # if NODOTCONF variable is defined, don't try to rebuild .config
 101 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
 102         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
 103                 $(RTE_OUTPUT)/hostapp $(RTE_OUTPUT)/lib \
 104                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
 105         @[ -d $(RTE_OUTPUT)/include ] || mkdir -p $(RTE_OUTPUT)/include
 106         $(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
 107                 > $(RTE_OUTPUT)/include/rte_config.h
 108
 109 # generate the rte_config.h
 110 .PHONY: headerconfig
 111 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 112         @true
 113
 114 # check that .config is present, and if yes, check that rte_config.h
 115 # is up to date
 116 .PHONY: checkconfig
 117 checkconfig:
 118         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 119                 echo "No .config in build directory"; \
 120                 exit 1; \
 121         fi
 122         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 123                 headerconfig NODOTCONF=1
 124         $(Q)$(MAKE) -s depdirs
 125
 126 .PHONY: FORCE
 127 FORCE: