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.
  16 #     * Neither the name of Intel Corporation nor the names of its
  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,
  25 #   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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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                 $$(sed -rne 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
  36                         -e 's,^#define RTE_VER_SUFFIX[[:space:]]+"(.*)",\1,p' \
  37                         $(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h) ;\
  38                 printf '%d.%02d.%d' "$$1" "$$2" "$$3"; \
  39                 if [ -z "$$5" ]; then echo; \
  40                 else printf '%s' "$$4"; \
  41                         if [ $$5 -lt 16 ] ; then echo $$5; \
  42                         else echo $$(($$5 - 16)); fi; \
  43                 fi
  44
  45 .PHONY: showversionum
  46 showversionum:
  47         @set -- \
  48                 $$(sed -rne 's,^#define RTE_VER_[A-Z_]*[[:space:]]+([0-9]+).*,\1,p' \
  49                         $(RTE_SRCDIR)/lib/librte_eal/common/include/rte_version.h); \
  50                 printf '%02d%02d\n' "$$1" "$$2"
  51
  52 INSTALL_CONFIGS := $(sort $(filter-out %~,\
  53         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
  54         $(wildcard $(RTE_SRCDIR)/config/defconfig_*))))
  55 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
  56
  57 .PHONY: showconfigs
  58 showconfigs:
  59         @$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)
  60
  61 .PHONY: notemplate
  62 notemplate:
  63         @printf "No template specified. "
  64         @echo "Use T=template among the following list:"
  65         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
  66
  67 .PHONY: config
  68 ifeq ($(RTE_CONFIG_TEMPLATE),)
  69 config: notemplate
  70 else
  71 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  72         @echo "Configuration done"
  73 endif
  74
  75 $(RTE_OUTPUT):
  76         $(Q)mkdir -p $@
  77
  78 ifdef NODOTCONF
  79 $(RTE_OUTPUT)/.config: ;
  80 else
  81 # Generate config from template, if there are duplicates keep only the last.
  82 # To do so the temp config is checked for duplicate keys with cut/sort/uniq
  83 # Then for each of those identified duplicates as long as there are more than
  84 # just one left the last match is removed.
  85 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE | $(RTE_OUTPUT)
  86         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  87                 $(CPP) -undef -P -x assembler-with-cpp \
  88                 -ffreestanding \
  89                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  90                 config=$$(cat $(RTE_OUTPUT)/.config_tmp) ; \
  91                 echo "$$config" | awk -F '=' 'BEGIN {i=1} \
  92                         /^#/ {pos[i++]=$$0} \
  93                         !/^#/ {if (!s[$$1]) {pos[i]=$$0; s[$$1]=i++} \
  94                                 else {pos[s[$$1]]=$$0}} END \
  95                         {for (j=1; j<i; j++) print pos[j]}' \
  96                         > $(RTE_OUTPUT)/.config_tmp ; \
  97                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  98                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  99                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config.orig ; \
 100                 fi ; \
 101                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
 102         else \
 103                 $(MAKE) -rRf $(RTE_SDK)/mk/rte.sdkconfig.mk notemplate; \
 104         fi
 105 endif
 106
 107 # generate a Makefile for this build directory
 108 # use a relative path so it will continue to work even if we move the directory
 109 SDK_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_SRCDIR)) \
 110                                 $(abspath $(RTE_OUTPUT)))
 111 OUTPUT_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_OUTPUT)) \
 112                                 $(abspath $(RTE_SRCDIR)))
 113 $(RTE_OUTPUT)/Makefile: | $(RTE_OUTPUT)
 114         $(Q)$(RTE_SDK)/buildtools/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
 115                 > $(RTE_OUTPUT)/Makefile
 116
 117 # clean installed files, and generate a new config header file
 118 # if NODOTCONF variable is defined, don't try to rebuild .config
 119 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
 120         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
 121                 $(RTE_OUTPUT)/lib \
 122                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
 123         $(Q)mkdir -p $(RTE_OUTPUT)/include
 124         $(Q)$(RTE_SDK)/buildtools/gen-config-h.sh $(RTE_OUTPUT)/.config \
 125                 > $(RTE_OUTPUT)/include/rte_config.h
 126
 127 # generate the rte_config.h
 128 .PHONY: headerconfig
 129 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 130         @true
 131
 132 # check that .config is present, and if yes, check that rte_config.h
 133 # is up to date
 134 .PHONY: checkconfig
 135 checkconfig:
 136         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 137                 echo "No .config in build directory"; \
 138                 exit 1; \
 139         fi
 140         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 141                 headerconfig NODOTCONF=1
 142
 143 .PHONY: FORCE
 144 FORCE: