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# ===========================================================================
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# crosstool-NG configuration targets
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# These targets are used from top-level makefile
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# Derive the project version from, well, the project version:
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export PROJECTVERSION=$(CT_VERSION)
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KCONFIG_TOP = config/config.in
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obj = $(CT_TOP_DIR)/kconfig
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PHONY += clean help oldconfig menuconfig config defoldconfig
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# Darwin (MacOS-X) does not have proper libintl support
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ifeq ($(shell uname -s),Darwin)
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KBUILD_NO_NLS:=1
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endif
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ifneq ($(KBUILD_NO_NLS),)
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CFLAGS += -DKBUILD_NO_NLS
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endif
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# Build a list of all config files
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ARCH_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/arch/*.in)
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KERNEL_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/kernel/*.in)
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DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)
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TOOLS_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)
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STATIC_CONFIG_FILES = $(shell find $(CT_LIB_DIR)/config -type f -name '*.in')
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GEN_CONFIG_FILES=$(CT_TOP_DIR)/config.gen/arch.in \
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$(CT_TOP_DIR)/config.gen/kernel.in \
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$(CT_TOP_DIR)/config.gen/debug.in \
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$(CT_TOP_DIR)/config.gen/tools.in
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CONFIG_FILES=$(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
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# Build list of items
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ARCHS = $(patsubst $(CT_LIB_DIR)/config/arch/%.in,%,$(ARCH_CONFIG_FILES))
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KERNELS = $(patsubst $(CT_LIB_DIR)/config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
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$(GEN_CONFIG_FILES): $(CT_TOP_DIR)/config.gen \
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$(CT_LIB_DIR)/kconfig/kconfig.mk
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$(CT_TOP_DIR)/config.gen: $(KCONFIG_TOP)
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@mkdir -p $(CT_TOP_DIR)/config.gen
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# Function build_gen_choice_in:
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# $1 : destination file
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# $2 : name for the entries family (eg. Architecture, kernel...)
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# $3 : prefix for the choice entries (eg. ARCH, KERNEL...)
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# $4 : base directory containing config files
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# $5 : list of config entries (eg. for architectures: "alpha arm ia64"...,
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# and for kernels: "bare-metal linux"...)
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# Example to build the kernels generated config file:
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# $(call build_gen_choice_in,config.gen/kernel.in,Kernel,KERNEL,config/kernel,$(KERNELS))
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define build_gen_choice_in
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@echo ' IN $(1)'
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@(echo "# $(2) menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo ""; \
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for entry in $(5); do \
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file="$(4)/$${entry}.in"; \
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_entry=$$(echo "$${entry}" |sed -r -s -e 's/[-.+]/_/g;'); \
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echo "config $(3)_$${_entry}"; \
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echo " bool"; \
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printf " prompt \"$${entry}"; \
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if grep -E '^# +EXPERIMENTAL$$' $${file} >/dev/null 2>&1; then \
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echo " (EXPERIMENTAL)\""; \
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echo " depends on EXPERIMENTAL"; \
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else \
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echo "\""; \
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fi; \
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echo "if $(3)_$${_entry}"; \
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echo "config $(3)"; \
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echo " default \"$${entry}\" if $(3)_$${_entry}"; \
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echo "source $${file}"; \
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echo "endif"; \
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echo ""; \
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done; \
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) >$(1)
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endef
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$(CT_TOP_DIR)/config.gen/arch.in: $(ARCH_CONFIG_FILES)
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$(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Architecture,ARCH,config/arch,$(ARCHS))
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$(CT_TOP_DIR)/config.gen/kernel.in: $(KERNEL_CONFIG_FILES)
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$(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Kernel,KERNEL,config/kernel,$(KERNELS))
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$(CT_TOP_DIR)/config.gen/debug.in: $(DEBUG_CONFIG_FILES)
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@echo ' IN config.gen/debug.in'
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@(echo "# Debug facilities menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo "menu \"Debug facilities\""; \
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for f in $(patsubst $(CT_LIB_DIR)/%,%,$(DEBUG_CONFIG_FILES)); do \
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echo "source $${f}"; \
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done; \
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echo "endmenu"; \
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) >$@
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$(CT_TOP_DIR)/config.gen/tools.in: $(TOOLS_CONFIG_FILES)
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@echo ' IN config.gen/tools.in'
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@(echo "# Tools facilities menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo "menu \"Tools facilities\""; \
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for f in $(patsubst $(CT_LIB_DIR)/%,%,$(TOOLS_CONFIG_FILES)); do \
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echo "source $${f}"; \
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done; \
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echo "endmenu"; \
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) >$@
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config menuconfig oldconfig defoldconfig: $(KCONFIG_TOP)
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$(KCONFIG_TOP):
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@ln -sf $(CT_LIB_DIR)/config config
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menuconfig: $(CONFIG_FILES) $(obj)/mconf
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@$(obj)/mconf $(KCONFIG_TOP)
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config: $(CONFIG_FILES) $(obj)/conf
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@$(obj)/conf $(KCONFIG_TOP)
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oldconfig: $(CONFIG_FILES) $(obj)/conf
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@$(obj)/conf -s $(KCONFIG_TOP)
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defoldconfig: $(CONFIG_FILES) $(obj)/conf
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@yes "" |$(obj)/conf -s $(KCONFIG_TOP)
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# Help text used by make help
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help-config::
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@echo ' config - Update current config using a line-oriented program'
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@echo ' menuconfig - Update current config using a menu based program'
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@echo ' oldconfig - Update current config using a provided .config as base'
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@echo ' build log piped into stdin'
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# Cheesy build
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SHIPPED := $(CT_LIB_DIR)/kconfig/zconf.tab.c $(CT_LIB_DIR)/kconfig/lex.zconf.c $(CT_LIB_DIR)/kconfig/zconf.hash.c
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$(obj)/conf $(obj)/mconf: $(obj)
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$(obj):
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@mkdir -p $(obj)
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HEADERS = $(CT_LIB_DIR)/kconfig/expr.h \
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$(CT_LIB_DIR)/kconfig/lkc.h \
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$(CT_LIB_DIR)/kconfig/lkc_proto.h
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FILES = $(CT_LIB_DIR)/kconfig/confdata.c \
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$(CT_LIB_DIR)/kconfig/expr.c \
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$(CT_LIB_DIR)/kconfig/menu.c \
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$(CT_LIB_DIR)/kconfig/symbol.c \
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$(CT_LIB_DIR)/kconfig/util.c
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$(obj)/mconf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c \
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$(HEADERS) $(FILES) \
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$(CT_LIB_DIR)/kconfig/kconfig.mk
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@echo ' LD kconfig/mconf'
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@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{mconf.c,zconf.tab.c,lxdialog/*.c} \
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$(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ccflags) \
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$(shell $(CT_LIB_DIR)/kconfig/lxdialog/check-lxdialog.sh -ldflags $(HOST_CC))
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$(obj)/conf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/conf.c \
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$(HEADERS) $(FILES) \
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$(CT_LIB_DIR)/kconfig/kconfig.mk
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@echo ' LD kconfig/conf'
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@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{conf.c,zconf.tab.c}
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clean::
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@rm -f $(CT_TOP_DIR)/kconfig/{,m}conf
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@rmdir --ignore-fail-on-non-empty $(CT_TOP_DIR)/kconfig 2>/dev/null || true
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@rm -f $(CT_TOP_DIR)/config 2>/dev/null || true
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@rm -rf $(CT_TOP_DIR)/config.gen
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