mk/rte.sdkconfig.mk

   1 # SPDX-License-Identifier: BSD-3-Clause
   2 # Copyright(c) 2010-2014 Intel Corporation
   3
   4 .PHONY: showversion
   5 showversion:
   6         @cat $(RTE_SRCDIR)/VERSION
   7
   8 .PHONY: showversionum
   9 showversionum:
  10         @cat $(RTE_SRCDIR)/VERSION | awk -F '.' '{print $$1$$2}'
  11
  12 INSTALL_CONFIGS := $(sort $(filter-out %app-icc,$(filter-out %app-clang,\
  13         $(filter-out %app-gcc,$(filter-out %~,\
  14         $(patsubst $(RTE_SRCDIR)/config/defconfig_%,%,\
  15         $(wildcard $(RTE_SRCDIR)/config/defconfig_*)))))))
  16 INSTALL_TARGETS := $(addsuffix _install,$(INSTALL_CONFIGS))
  17
  18 .PHONY: showconfigs
  19 showconfigs:
  20         @$(foreach CONFIG, $(INSTALL_CONFIGS), echo $(CONFIG);)
  21
  22 .PHONY: notemplate
  23 notemplate:
  24         @printf "No template specified. Use 'make defconfig' or "
  25         @echo "use T=template from the following list:"
  26         @$(MAKE) -rR showconfigs | sed 's,^,  ,'
  27
  28 .PHONY: defconfig
  29 defconfig:
  30         @$(MAKE) config T=$(shell \
  31                 uname -m | awk '{ \
  32                 if ($$0 == "aarch64") { \
  33                         print "arm64-armv8a"} \
  34                 else if ($$0 == "armv7l") { \
  35                         print "arm-armv7a"} \
  36                 else if ($$0 == "ppc64") { \
  37                         print "ppc_64-power8"} \
  38                 else if ($$0 == "amd64") { \
  39                         print "x86_64-native"} \
  40                 else { \
  41                         printf "%s-native", $$0} }' \
  42                 )-$(shell \
  43                 uname | awk '{ \
  44                 if ($$0 == "Linux") { \
  45                         print "linux"} \
  46                 else { \
  47                         print "freebsd"} }' \
  48                 )-$(shell \
  49                 ${CC} --version | grep -o 'cc\|gcc\|icc\|clang' | awk \
  50                 '{ \
  51                 if ($$1 == "cc") { \
  52                         print "gcc" } \
  53                 else { \
  54                         print $$1 } \
  55                 }' \
  56                 )
  57
  58 .PHONY: config
  59 ifeq ($(RTE_CONFIG_TEMPLATE),)
  60 config: notemplate
  61 else
  62 config: $(RTE_OUTPUT)/include/rte_config.h $(RTE_OUTPUT)/Makefile
  63         @echo "Configuration done using" \
  64                 $(patsubst defconfig_%,%,$(notdir $(RTE_CONFIG_TEMPLATE)))
  65 endif
  66
  67 $(RTE_OUTPUT):
  68         $(Q)mkdir -p $@
  69
  70 ifdef NODOTCONF
  71 $(RTE_OUTPUT)/.config: ;
  72 else
  73 # Generate config from template, if there are duplicates keep only the last.
  74 # To do so the temp config is checked for duplicate keys with cut/sort/uniq
  75 # Then for each of those identified duplicates as long as there are more than
  76 # just one left the last match is removed.
  77 $(RTE_OUTPUT)/.config: $(RTE_CONFIG_TEMPLATE) FORCE | $(RTE_OUTPUT)
  78         $(Q)if [ "$(RTE_CONFIG_TEMPLATE)" != "" -a -f "$(RTE_CONFIG_TEMPLATE)" ]; then \
  79                 $(CPP) -undef -P -x assembler-with-cpp \
  80                 -ffreestanding \
  81                 -o $(RTE_OUTPUT)/.config_tmp $(RTE_CONFIG_TEMPLATE) ; \
  82                 config=$$(cat $(RTE_OUTPUT)/.config_tmp) ; \
  83                 echo "$$config" | awk -F '=' 'BEGIN {i=1} \
  84                         /^#/ {pos[i++]=$$0} \
  85                         !/^#/ {if (!s[$$1]) {pos[i]=$$0; s[$$1]=i++} \
  86                                 else {pos[s[$$1]]=$$0}} END \
  87                         {for (j=1; j<i; j++) print pos[j]}' \
  88                         > $(RTE_OUTPUT)/.config_tmp ; \
  89                 if ! cmp -s $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config; then \
  90                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config ; \
  91                         cp $(RTE_OUTPUT)/.config_tmp $(RTE_OUTPUT)/.config.orig ; \
  92                 fi ; \
  93                 rm -f $(RTE_OUTPUT)/.config_tmp ; \
  94         else \
  95                 $(MAKE) -rRf $(RTE_SDK)/mk/rte.sdkconfig.mk notemplate; \
  96         fi
  97 endif
  98
  99 # generate a Makefile for this build directory
 100 # use a relative path so it will continue to work even if we move the directory
 101 SDK_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_SRCDIR)) \
 102                                 $(abspath $(RTE_OUTPUT)))
 103 OUTPUT_RELPATH=$(shell $(RTE_SDK)/buildtools/relpath.sh $(abspath $(RTE_OUTPUT)) \
 104                                 $(abspath $(RTE_SRCDIR)))
 105 $(RTE_OUTPUT)/Makefile: | $(RTE_OUTPUT)
 106         $(Q)$(RTE_SDK)/buildtools/gen-build-mk.sh $(SDK_RELPATH) > $@
 107
 108 # clean installed files, and generate a new config header file
 109 # if NODOTCONF variable is defined, don't try to rebuild .config
 110 $(RTE_OUTPUT)/include/rte_config.h: $(RTE_OUTPUT)/.config
 111         $(Q)rm -rf $(RTE_OUTPUT)/include $(RTE_OUTPUT)/app \
 112                 $(RTE_OUTPUT)/lib \
 113                 $(RTE_OUTPUT)/hostlib $(RTE_OUTPUT)/kmod $(RTE_OUTPUT)/build
 114         $(Q)mkdir -p $(RTE_OUTPUT)/include
 115         $(Q)$(RTE_SDK)/buildtools/gen-config-h.sh $(RTE_OUTPUT)/.config \
 116                 > $(RTE_OUTPUT)/include/rte_config.h
 117
 118 # generate the rte_config.h
 119 .PHONY: headerconfig
 120 headerconfig: $(RTE_OUTPUT)/include/rte_config.h
 121         @true
 122
 123 # check that .config is present, and if yes, check that rte_config.h
 124 # is up to date
 125 .PHONY: checkconfig
 126 checkconfig:
 127         @if [ ! -f $(RTE_OUTPUT)/.config ]; then \
 128                 echo "No .config in build directory"; \
 129                 exit 1; \
 130         fi
 131         $(Q)$(MAKE) -f $(RTE_SDK)/mk/rte.sdkconfig.mk \
 132                 headerconfig NODOTCONF=1
 133
 134 .PHONY: FORCE
 135 FORCE: