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205 lines
11 KiB
Makefile
205 lines
11 KiB
Makefile
# ===========================================================================
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# crosstool-NG genererated config files
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# These targets are used from top-level makefile
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#-----------------------------------------------------------
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# List all config files, wether sourced or generated
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# The top-level config file to be used be configurators
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KCONFIG_TOP = config/config.in
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# Build the list of all source config files
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STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f \( -name '*.in' -o -name '*.in.2' \) 2>/dev/null))
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# ... and how to access them:
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$(STATIC_CONFIG_FILES): config
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# Build a list of per-component-type source config files
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ARCH_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in))
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ARCH_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in.2))
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KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))
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KERNEL_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in.2))
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CC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))
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CC_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in.2))
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LIBC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))
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LIBC_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in.2))
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DEBUG_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in))
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# Build the list of generated config files
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GEN_CONFIG_FILES = config.gen/arch.in \
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config.gen/kernel.in \
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config.gen/cc.in \
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config.gen/libc.in \
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config.gen/debug.in
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# ... and how to access them:
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# Generated files depends on config.mk (this file) because it has the
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# functions needed to build the genrated files, and thus they might
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# need re-generation if config.mk changes
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$(GEN_CONFIG_FILES): config.gen \
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$(CT_LIB_DIR)/config/config.mk
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# Helper entry for the configurators
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PHONY += config_files
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config_files: $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
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# Where to access to the source config files from
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config:
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@$(ECHO) " LN config"
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$(SILENT)ln -s $(CT_LIB_DIR)/config config
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# Where to store the generated config files into
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config.gen:
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@$(ECHO) " MKDIR config.gen"
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$(SILENT)mkdir -p config.gen
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#-----------------------------------------------------------
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# Build list of per-component-type items to easily build generated files
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ARCHS = $(patsubst config/arch/%.in,%,$(ARCH_CONFIG_FILES))
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KERNELS = $(patsubst config/kernel/%.in,%,$(KERNEL_CONFIG_FILES))
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CCS = $(patsubst config/cc/%.in,%,$(CC_CONFIG_FILES))
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LIBCS = $(patsubst config/libc/%.in,%,$(LIBC_CONFIG_FILES))
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DEBUGS = $(patsubst config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
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#-----------------------------------------------------------
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# Helper functions to ease building generated config files
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# The function 'build_gen_choice_in' builds a choice-menu of a list of
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# components in the given list, also adding source-ing of associazted
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# config files:
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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 : generate backend conditionals if Y, don't if anything else
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# $6 : 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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# $(call build_gen_choice_in,config.gen/kernel.in,Target OS,KERNEL,config/kernel,$(KERNELS))
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define build_gen_choice_in
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@$(ECHO) ' IN $(1)'
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$(SILENT)(echo "# $(2) menu"; \
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echo "# Generated file, do not edit!!!"; \
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echo ""; \
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echo "choice GEN_CHOICE_$(3)"; \
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echo " bool"; \
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echo " prompt \"$(2)\""; \
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echo ""; \
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for entry in $(6); do \
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file="$(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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echo " prompt \"$${entry}\""; \
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if [ "$(5)" = "Y" ]; then \
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echo " depends on $(3)_$${_entry}_AVAILABLE"; \
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fi; \
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sed -r -e '/^## depends on /!d; s/^## / /;' $${file} 2>/dev/null;\
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sed -r -e '/^## select /!d; s/^## / /;' $${file} 2>/dev/null; \
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if grep -E '^## help' $${file} >/dev/null 2>&1; then \
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echo " help"; \
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sed -r -e '/^## help ?/!d; s/^## help ?/ /;' $${file} 2>/dev/null; \
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fi; \
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echo ""; \
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done; \
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echo "endchoice"; \
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for entry in $(6); do \
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file="$(4)/$${entry}.in"; \
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_entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
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echo ""; \
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if [ "$(5)" = "Y" ]; then \
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echo "config $(3)_$${_entry}_AVAILABLE"; \
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echo " bool"; \
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echo " default n if ! ( BACKEND_$(3) = \"$${entry}\" || BACKEND_$(3) = \"\" || ! BACKEND )"; \
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echo " default y if BACKEND_$(3) = \"$${entry}\" || BACKEND_$(3) = \"\" || ! BACKEND"; \
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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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done; \
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echo ""; \
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for file in $(wildcard $(4)/*.in-common); do \
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echo "source \"$${file}\""; \
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done; \
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) >$(1)
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$(SILENT)(echo "# $(2) second part options"; \
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echo "# Generated file, do not edit!!!"; \
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for entry in $(6); do \
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file="$(4)/$${entry}.in"; \
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_entry=$$(echo "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
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if [ -f "$${file}.2" ]; then \
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echo ""; \
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echo "if $(3)_$${_entry}"; \
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echo "comment \"$${entry} other options\""; \
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echo "source \"$${file}.2\""; \
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echo "endif"; \
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fi; \
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done; \
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) >$(1).2
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endef
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# The function 'build_gen_menu_in' builds a menuconfig for each component in
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# the given list, source-ing the associated files conditionnaly:
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# $1 : destination file
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# $2 : name of entries family (eg. Tools, Debug...)
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# $3 : prefix for the menu entries (eg. DEBUG)
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# $4 : base directory containing config files
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# $5 : list of config entries (eg. for debug: "dmalloc duma gdb"...)
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# Example to build the generated debug config file:
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# $(call build_gen_menu_in,config.gen/debug.in,Debug,DEBUG,config/debug,$(DEBUGS))
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define build_gen_menu_in
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@$(ECHO) ' IN $(1)'
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$(SILENT)(echo "# $(2) facilities 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 "$${entry}" |$(sed) -r -s -e 's/[-.+]/_/g;'); \
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echo "menuconfig $(3)_$${_entry}"; \
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echo " bool"; \
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echo " prompt \"$${entry}\""; \
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sed -r -e '/^## depends on /!d; s/^## / /;' $${file} 2>/dev/null;\
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sed -r -e '/^## select /!d; s/^## / /;' $${file} 2>/dev/null; \
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if grep -E '^## help' $${file} >/dev/null 2>&1; then \
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echo " help"; \
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sed -r -e '/^## help ?/!d; s/^## help ?/ /;' $${file} 2>/dev/null; \
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fi; \
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echo ""; \
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echo "if $(3)_$${_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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#-----------------------------------------------------------
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# The rules for the generated config files
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# WARNING! If a .in file disapears between two runs, that will NOT be detected!
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config.gen/arch.in: $(ARCH_CONFIG_FILES) $(ARCH_CONFIG_FILES_2)
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$(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,Y,$(ARCHS))
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config.gen/kernel.in: $(KERNEL_CONFIG_FILES) $(KERNEL_CONFIG_FILES_2)
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$(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,Y,$(KERNELS))
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config.gen/cc.in: $(CC_CONFIG_FILES) $(CC_CONFIG_FILES_2)
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$(call build_gen_choice_in,$@,C compiler,CC,config/cc,,$(CCS))
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config.gen/libc.in: $(LIBC_CONFIG_FILES) $(LIBC_CONFIG_FILES_2)
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$(call build_gen_choice_in,$@,C library,LIBC,config/libc,Y,$(LIBCS))
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config.gen/debug.in: $(DEBUG_CONFIG_FILES)
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$(call build_gen_menu_in,$@,Debug,DEBUG,config/debug,$(DEBUGS))
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#-----------------------------------------------------------
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# Cleaning up the mess...
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clean::
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@$(ECHO) " CLEAN config"
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$(SILENT)rm -f config 2>/dev/null || true
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@$(ECHO) " CLEAN config.gen"
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$(SILENT)rm -rf config.gen
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