yann@1: # ===========================================================================
yann@197: # crosstool-NG configuration targets
yann@1: # These targets are used from top-level makefile
yann@1: 
yann@148: # Derive the project version from, well, the project version:
yann@148: export PROJECTVERSION=$(CT_VERSION)
yann@148: 
yann@926: #-----------------------------------------------------------
yann@926: # Some static /configuration/
yann@926: 
yann@1: KCONFIG_TOP = config/config.in
yann@926: obj = kconfig
yann@925: PHONY += clean help oldconfig menuconfig defoldconfig
yann@1: 
yann@19: # Darwin (MacOS-X) does not have proper libintl support
yann@19: ifeq ($(shell uname -s),Darwin)
yann@19: KBUILD_NO_NLS:=1
yann@19: endif
yann@19: 
yann@18: ifneq ($(KBUILD_NO_NLS),)
yann@18: CFLAGS += -DKBUILD_NO_NLS
yann@18: endif
yann@18: 
yann@926: #-----------------------------------------------------------
yann@926: # List all config files, source and generated
yann@97: 
yann@926: # Build the list of all source config files
yann@926: STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f -name '*.in' 2>/dev/null))
yann@926: # ... and how to access them:
yann@926: $(STATIC_CONFIG_FILES): config
yann@88: 
yann@926: # Build a list of per-component-type source config files
yann@926: ARCH_CONFIG_FILES   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in))
yann@926: KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))
yann@926: CC_CONFIG_FILES     = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))
yann@926: LIBC_CONFIG_FILES   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))
yann@926: DEBUG_CONFIG_FILES  = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in))
yann@926: TOOL_CONFIG_FILES   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/tools/*.in))
yann@182: 
yann@926: # Build the list of generated config files
yann@926: GEN_CONFIG_FILES = config.gen/arch.in     \
yann@926:                    config.gen/kernel.in   \
yann@926:                    config.gen/cc.in       \
yann@926:                    config.gen/libc.in     \
yann@926:                    config.gen/tools.in    \
yann@926:                    config.gen/debug.in
yann@926: # ... and how to access them:
yann@926: # Generated files depends on kconfig.mk (this file) because it has the
yann@926: # functions needed to build the genrated files, and thus they might
yann@926: # need re-generation if kconfig.mk changes
yann@926: $(GEN_CONFIG_FILES): config.gen                         \
yann@861:                      $(CT_LIB_DIR)/kconfig/kconfig.mk
yann@182: 
yann@926: # KCONFIG_TOP should already be in STATIC_CONFIG_FILES, anyway...
yann@926: CONFIG_FILES = $(sort $(KCONFIG_TOP) $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES))
yann@182: 
yann@926: # Where to access to the source config files from
yann@926: config:
yann@926: 	@echo "  LN    config"
yann@926: 	@ln -s $(CT_LIB_DIR)/config config
yann@926: 
yann@926: # Where to store the generated config files into
yann@926: config.gen:
yann@926: 	@echo "  MKDIR config.gen"
yann@926: 	@mkdir -p config.gen
yann@926: 
yann@926: #-----------------------------------------------------------
yann@926: # Build list of per-component-type items to easily build generated files
yann@926: 
yann@926: ARCHS   = $(patsubst config/arch/%.in,%,$(ARCH_CONFIG_FILES))
yann@926: KERNELS = $(patsubst config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
yann@926: CCS     = $(patsubst config/cc/%.in,%,$(CC_CONFIG_FILES))
yann@926: LIBCS   = $(patsubst config/libc/%.in,%,$(LIBC_CONFIG_FILES))
yann@926: DEBUGS  = $(patsubst config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
yann@926: TOOLS   = $(patsubst config/tools/%.in,%,$(TOOL_CONFIG_FILES))
yann@926: 
yann@926: #-----------------------------------------------------------
yann@926: # Helper functions to ease building generated config files
yann@926: 
yann@926: # The function 'build_gen_choice_in' builds a choice-menu of a list of
yann@926: # components in the given list, also adding source-ing of associazted
yann@926: # config files:
yann@912: # $1 : destination file
yann@912: # $2 : name for the entries family (eg. Architecture, kernel...)
yann@912: # $3 : prefix for the choice entries (eg. ARCH, KERNEL...)
yann@912: # $4 : base directory containing config files
yann@912: # $5 : list of config entries (eg. for architectures: "alpha arm ia64"...,
yann@912: #      and for kernels: "bare-metal linux"...)
yann@912: # Example to build the kernels generated config file:
yann@920: # $(call build_gen_choice_in,config.gen/kernel.in,Target OS,KERNEL,config/kernel,$(KERNELS))
yann@912: define build_gen_choice_in
yann@926: 	@echo '  IN    $(1)'
yann@920: 	@(echo "# $(2) menu";                                               \
yann@920: 	  echo "# Generated file, do not edit!!!";                          \
yann@920: 	  echo "";                                                          \
yann@920: 	  echo "choice";                                                    \
yann@920: 	  echo "    bool";                                                  \
yann@920: 	  echo "    prompt \"$(2)\"";                                       \
yann@920: 	  echo "";                                                          \
yann@920: 	  for entry in $(5); do                                             \
yann@920: 	    file="$(4)/$${entry}.in";                                       \
yann@920: 	    _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;');       \
yann@920: 	    echo "config $(3)_$${_entry}";                                  \
yann@920: 	    echo "    bool";                                                \
yann@920: 	    printf "    prompt \"$${entry}";                                \
yann@920: 	    if grep -E '^# +EXPERIMENTAL$$' $${file} >/dev/null 2>&1; then  \
yann@920: 	      echo " (EXPERIMENTAL)\"";                                     \
yann@920: 	      echo "    depends on EXPERIMENTAL";                           \
yann@920: 	    else                                                            \
yann@920: 	      echo "\"";                                                    \
yann@920: 	    fi;                                                             \
yann@920: 	  done;                                                             \
yann@920: 	  echo "";                                                          \
yann@920: 	  echo "endchoice";                                                 \
yann@920: 	  for entry in $(5); do                                             \
yann@920: 	    file="$(4)/$${entry}.in";                                       \
yann@920: 	    _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;');       \
yann@920: 	    echo "";                                                        \
yann@920: 	    echo "if $(3)_$${_entry}";                                      \
yann@920: 	    echo "config $(3)";                                             \
yann@920: 	    echo "    default \"$${entry}\" if $(3)_$${_entry}";            \
yann@920: 	    echo "source $${file}";                                         \
yann@920: 	    echo "endif";                                                   \
yann@920: 	  done;                                                             \
yann@912: 	 ) >$(1)
yann@912: endef
yann@628: 
yann@926: # The function 'build_gen_menu_in' builds a menuconfig for each component in
yann@926: # the given list, source-ing the associated files conditionnaly:
yann@916: # $1 : destination file
yann@916: # $2 : name of entries family (eg. Tools, Debug...)
yann@916: # $3 : prefix for the menu entries (eg. TOOL, DEBUG)
yann@916: # $4 : base directory containing config files
yann@916: # $5 : list of config entries (eg. for tools: "libelf sstrip"..., and for
yann@916: #      debug: "dmalloc duma gdb"...)
yann@916: # Example to build the tools generated config file:
yann@916: # $(call build_gen_menu_in,config.gen/tools.in,Tools,TOOL,config/tools,$(TOOLS))
yann@916: define build_gen_menu_in
yann@926: 	@echo '  IN    $(1)'
yann@916: 	@(echo "# $(2) facilities menu";                                    \
yann@916: 	  echo "# Generated file, do not edit!!!";                          \
yann@916: 	  echo "";                                                          \
yann@916: 	  for entry in $(5); do                                             \
yann@916: 	    file="$(4)/$${entry}.in";                                       \
yann@916: 	    _entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;');       \
yann@916: 	    echo "menuconfig $(3)_$${_entry}";                              \
yann@916: 	    echo "    bool";                                                \
yann@916: 	    printf "    prompt \"$${entry}";                                \
yann@916: 	    if grep -E '^# +EXPERIMENTAL$$' $${file} >/dev/null 2>&1; then  \
yann@916: 	      echo " (EXPERIMENTAL)\"";                                     \
yann@916: 	      echo "    depends on EXPERIMENTAL";                           \
yann@916: 	    else                                                            \
yann@916: 	      echo "\"";                                                    \
yann@916: 	    fi;                                                             \
yann@916: 	    echo "if $(3)_$${_entry}";                                      \
yann@916: 	    echo "source $${file}";                                         \
yann@916: 	    echo "endif";                                                   \
yann@916: 	    echo "";                                                        \
yann@916: 	  done;                                                             \
yann@916: 	 ) >$(1)
yann@916: endef
yann@916: 
yann@926: #-----------------------------------------------------------
yann@926: # The rules for the generated config files
yann@916: 
yann@926: config.gen/arch.in: $(ARCH_CONFIG_FILES)
yann@926: 	$(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,$(ARCHS))
yann@861: 
yann@926: config.gen/kernel.in: $(KERNEL_CONFIG_FILES)
yann@926: 	$(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,$(KERNELS))
yann@182: 
yann@926: config.gen/cc.in: $(CC_CONFIG_FILES)
yann@926: 	$(call build_gen_choice_in,$@,C compiler,CC,config/cc,$(CCS))
yann@926: 
yann@926: config.gen/libc.in: $(LIBC_CONFIG_FILES)
yann@926: 	$(call build_gen_choice_in,$@,C library,LIBC,config/libc,$(LIBCS))
yann@926: 
yann@926: config.gen/tools.in: $(TOOL_CONFIG_FILES)
yann@926: 	$(call build_gen_menu_in,$@,Tools,TOOL,config/tools,$(TOOLS))
yann@926: 
yann@926: config.gen/debug.in: $(DEBUG_CONFIG_FILES)
yann@926: 	$(call build_gen_menu_in,$@,Debug,DEBUG,config/debug,$(DEBUGS))
yann@926: 
yann@926: #-----------------------------------------------------------
yann@926: # The configurators rules
yann@182: 
yann@861: menuconfig: $(CONFIG_FILES) $(obj)/mconf
yann@861: 	@$(obj)/mconf $(KCONFIG_TOP)
yann@1: 
yann@861: oldconfig: $(CONFIG_FILES) $(obj)/conf
yann@861: 	@$(obj)/conf -s $(KCONFIG_TOP)
yann@1: 
yann@861: defoldconfig: $(CONFIG_FILES) $(obj)/conf
yann@861: 	@yes "" |$(obj)/conf -s $(KCONFIG_TOP)
yann@159: 
yann@926: #-----------------------------------------------------------
yann@1: # Help text used by make help
yann@926: 
yann@176: help-config::
yann@333: 	@echo  '  menuconfig         - Update current config using a menu based program'
yann@333: 	@echo  '  oldconfig          - Update current config using a provided .config as base'
yann@333: 	@echo  '                       build log piped into stdin'
yann@1: 
yann@926: #-----------------------------------------------------------
yann@926: # Not-so-cheesy build, needs rework...
yann@1: 
yann@285: SHIPPED := $(CT_LIB_DIR)/kconfig/zconf.tab.c $(CT_LIB_DIR)/kconfig/lex.zconf.c $(CT_LIB_DIR)/kconfig/zconf.hash.c
yann@1: 
yann@861: $(obj)/conf $(obj)/mconf: $(obj)
yann@182: 
yann@182: $(obj):
yann@182: 	@mkdir -p $(obj)
yann@182: 
yann@816: HEADERS = $(CT_LIB_DIR)/kconfig/expr.h      \
yann@816:           $(CT_LIB_DIR)/kconfig/lkc.h       \
yann@816:           $(CT_LIB_DIR)/kconfig/lkc_proto.h
yann@816: 
yann@816: FILES = $(CT_LIB_DIR)/kconfig/confdata.c    \
yann@816:         $(CT_LIB_DIR)/kconfig/expr.c        \
yann@816:         $(CT_LIB_DIR)/kconfig/menu.c        \
yann@816:         $(CT_LIB_DIR)/kconfig/symbol.c      \
yann@816:         $(CT_LIB_DIR)/kconfig/util.c
yann@816: 
yann@861: $(obj)/mconf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c  \
yann@861:               $(HEADERS) $(FILES)                       \
yann@861:               $(CT_LIB_DIR)/kconfig/kconfig.mk
yann@926: 	@echo '  LD    $@'
yann@182: 	@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{mconf.c,zconf.tab.c,lxdialog/*.c} \
yann@375: 	     $(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ccflags)              \
yann@375: 	     $(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ldflags $(HOST_CC))
yann@1: 
yann@861: $(obj)/conf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/conf.c    \
yann@861:              $(HEADERS) $(FILES)                        \
yann@861:              $(CT_LIB_DIR)/kconfig/kconfig.mk
yann@926: 	@echo '  LD    $@'
yann@182: 	@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{conf.c,zconf.tab.c}
yann@1: 
yann@926: #-----------------------------------------------------------
yann@926: # Cleaning up the mess...
yann@926: 
yann@1: clean::
yann@926: 	@echo "  CLEAN kconfig"
yann@926: 	@rm -f kconfig/{,m}conf
yann@926: 	@rmdir --ignore-fail-on-non-empty kconfig 2>/dev/null || true
yann@926: 	@echo "  CLEAN config"
yann@926: 	@rm -f config 2>/dev/null || true
yann@926: 	@echo "  CLEAN config.gen"
yann@926: 	@rm -rf config.gen