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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   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.
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  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
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  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 "$$5" ]; then echo; \
  40                 else printf '%s' "$$4"; \
  41                         if [ $$5 -lt 16 ] ; then echo $$5; \
  42                         else echo $$(($$5 - 16)); fi; \
  43                 fi
  44
  45 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 $(CONFIG);)
  53
  54 .PHONY: notemplate
  55 notemplate:
  56         @printf "No template specified. "
  57         @echo "Use T=template among the following list:"
  58         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
  59
  60 .PHONY: config
  61 ifeq ($(RTE_CONFIG_TEMPLATE),)
  62 config: notemplate
  63 else
  64 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  65         $(Q)$(MAKE) depdirs
  66         @echo "Configuration done"
  67 endif
  68
  69 $(RTE_OUTPUT):
  70         $(Q)mkdir -p $@
  71
  72 ifdef NODOTCONF
  73 $(RTE_OUTPUT)/.config: ;
  74 else
  75 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE | $(RTE_OUTPUT)
  76         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  77                 $(CPP) -undef -P -x assembler-with-cpp \
  78                 -ffreestanding \
  79                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  80                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  81                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  82                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config.orig ; \
  83                 fi ; \
  84                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
  85         else \
  86                 $(MAKE) -rRf $(RTE_SDK)/mk/rte.sdkconfig.mk notemplate; \
  87         fi
  88 endif
  89
  90 # generate a Makefile for this build directory
  91 # use a relative path so it will continue to work even if we move the directory
  92 SDK_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_SRCDIR)) \
  93                                 $(abspath $(RTE_OUTPUT)))
  94 OUTPUT_RELPATH=$(shell $(RTE_SDK)/scripts/relpath.sh $(abspath $(RTE_OUTPUT)) \
  95                                 $(abspath $(RTE_SRCDIR)))
  96 $(RTE_OUTPUT)/Makefile: | $(RTE_OUTPUT)
  97         $(Q)$(RTE_SDK)/scripts/gen-build-mk.sh $(SDK_RELPATH) $(OUTPUT_RELPATH) \
  98                 > $(RTE_OUTPUT)/Makefile
  99
 100 # clean installed files, and generate a new config header file
 101 # if NODOTCONF variable is defined, don't try to rebuild .config
 102 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
 103         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
 104                 $(RTE_OUTPUT)/hostapp $(RTE_OUTPUT)/lib \
 105                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
 106         $(Q)mkdir -p $(RTE_OUTPUT)/include
 107         $(Q)$(RTE_SDK)/scripts/gen-config-h.sh $(RTE_OUTPUT)/.config \
 108                 > $(RTE_OUTPUT)/include/rte_config.h
 109
 110 # generate the rte_config.h
 111 .PHONY: headerconfig
 112 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 113         @true
 114
 115 # check that .config is present, and if yes, check that rte_config.h
 116 # is up to date
 117 .PHONY: checkconfig
 118 checkconfig:
 119         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 120                 echo "No .config in build directory"; \
 121                 exit 1; \
 122         fi
 123         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 124                 headerconfig NODOTCONF=1
 125         $(Q)$(MAKE) -s depdirs
 126
 127 .PHONY: FORCE
 128 FORCE: