mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-21 05:43:09 +00:00
Rework the kconfig stuff
- better handle config file generation dependencies - get rid of CT_TOP_DIR where useless - rearrange code to be cleaner, and add adequate '#----' comments to split the different parts - a few eye-candy here and there /trunk/kconfig/kconfig.mk | 158 99 59 0 +++++++++++++++++++++++++++++++++-------------------- 1 file changed, 99 insertions(+), 59 deletions(-)
This commit is contained in:
Yann E. MORIN"
parent
ab048ad81d
commit
4b27b41f41
@ -5,8 +5,11 @@
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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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#-----------------------------------------------------------
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# Some static /configuration/
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KCONFIG_TOP = config/config.in
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obj = $(CT_TOP_DIR)/kconfig
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obj = kconfig
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PHONY += clean help oldconfig menuconfig defoldconfig
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# Darwin (MacOS-X) does not have proper libintl support
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@ -18,39 +21,65 @@ ifneq ($(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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CC_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/cc/*.in)
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LIBC_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/libc/*.in)
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DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)
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TOOL_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)
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#-----------------------------------------------------------
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# List all config files, source and generated
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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/cc.in \
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$(CT_TOP_DIR)/config.gen/libc.in \
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$(CT_TOP_DIR)/config.gen/tools.in \
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$(CT_TOP_DIR)/config.gen/debug.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 $(CT_LIB_DIR)/config -type f -name '*.in' 2>/dev/null))
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# ... and how to access them:
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$(STATIC_CONFIG_FILES): config
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CONFIG_FILES=$(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)
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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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KERNEL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))
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CC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))
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LIBC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))
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DEBUG_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/debug/*.in))
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TOOL_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/tools/*.in))
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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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CCS = $(patsubst $(CT_LIB_DIR)/config/cc/%.in,%,$(CC_CONFIG_FILES))
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LIBCS = $(patsubst $(CT_LIB_DIR)/config/libc/%.in,%,$(LIBC_CONFIG_FILES))
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DEBUGS = $(patsubst $(CT_LIB_DIR)/config/debug/%.in,%,$(DEBUG_CONFIG_FILES))
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TOOLS = $(patsubst $(CT_LIB_DIR)/config/tools/%.in,%,$(TOOL_CONFIG_FILES))
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$(GEN_CONFIG_FILES): $(CT_TOP_DIR)/config.gen \
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# Build the list of generated config files
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GEN_CONFIG_FILES = config.gen/arch.in \
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config.gen/kernel.in \
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config.gen/cc.in \
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config.gen/libc.in \
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config.gen/tools.in \
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config.gen/debug.in
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# ... and how to access them:
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# Generated files depends on kconfig.mk (this file) because it has the
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# functions needed to build the genrated files, and thus they might
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# need re-generation if kconfig.mk changes
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$(GEN_CONFIG_FILES): 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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# KCONFIG_TOP should already be in STATIC_CONFIG_FILES, anyway...
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CONFIG_FILES = $(sort $(KCONFIG_TOP) $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES))
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# Function build_gen_choice_in:
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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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@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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@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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TOOLS = $(patsubst config/tools/%.in,%,$(TOOL_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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# $3 : prefix for the choice entries (eg. ARCH, KERNEL...)
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@ -96,19 +125,8 @@ define build_gen_choice_in
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) >$(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 $(CT_TOP_DIR)/%,%,$@),Target 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 $(CT_TOP_DIR)/%,%,$@),Target OS,KERNEL,config/kernel,$(KERNELS))
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$(CT_TOP_DIR)/config.gen/cc.in: $(CC_CONFIG_FILES)
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$(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),C compiler,CC,config/cc,$(CCS))
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$(CT_TOP_DIR)/config.gen/libc.in: $(LIBC_CONFIG_FILES)
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$(call build_gen_choice_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),C library,LIBC,config/libc,$(LIBCS))
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# Function build_gen_menu_in:
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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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# $3 : prefix for the menu entries (eg. TOOL, DEBUG)
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@ -142,16 +160,29 @@ define build_gen_menu_in
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) >$(1)
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endef
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$(CT_TOP_DIR)/config.gen/tools.in: $(TOOL_CONFIG_FILES)
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$(call build_gen_menu_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Tools,TOOL,config/tools,$(TOOLS))
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#-----------------------------------------------------------
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# The rules for the generated config files
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$(CT_TOP_DIR)/config.gen/debug.in: $(DEBUG_CONFIG_FILES)
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$(call build_gen_menu_in,$(patsubst $(CT_TOP_DIR)/%,%,$@),Debug,DEBUG,config/debug,$(DEBUGS))
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config.gen/arch.in: $(ARCH_CONFIG_FILES)
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$(call build_gen_choice_in,$@,Target Architecture,ARCH,config/arch,$(ARCHS))
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menuconfig oldconfig defoldconfig: $(KCONFIG_TOP)
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config.gen/kernel.in: $(KERNEL_CONFIG_FILES)
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$(call build_gen_choice_in,$@,Target OS,KERNEL,config/kernel,$(KERNELS))
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$(KCONFIG_TOP):
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@ln -sf $(CT_LIB_DIR)/config config
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config.gen/cc.in: $(CC_CONFIG_FILES)
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$(call build_gen_choice_in,$@,C compiler,CC,config/cc,$(CCS))
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config.gen/libc.in: $(LIBC_CONFIG_FILES)
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$(call build_gen_choice_in,$@,C library,LIBC,config/libc,$(LIBCS))
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config.gen/tools.in: $(TOOL_CONFIG_FILES)
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$(call build_gen_menu_in,$@,Tools,TOOL,config/tools,$(TOOLS))
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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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# The configurators rules
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menuconfig: $(CONFIG_FILES) $(obj)/mconf
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@$(obj)/mconf $(KCONFIG_TOP)
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@ -162,13 +193,16 @@ oldconfig: $(CONFIG_FILES) $(obj)/conf
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defoldconfig: $(CONFIG_FILES) $(obj)/conf
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@yes "" |$(obj)/conf -s $(KCONFIG_TOP)
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#-----------------------------------------------------------
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# Help text used by make help
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help-config::
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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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#-----------------------------------------------------------
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# Not-so-cheesy build, needs rework...
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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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@ -190,7 +224,7 @@ FILES = $(CT_LIB_DIR)/kconfig/confdata.c \
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$(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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@echo ' LD $@'
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@$(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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@ -198,11 +232,17 @@ $(obj)/mconf: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c \
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$(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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@echo ' LD $@'
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@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{conf.c,zconf.tab.c}
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#-----------------------------------------------------------
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# Cleaning up the mess...
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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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@echo " CLEAN kconfig"
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@rm -f kconfig/{,m}conf
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@rmdir --ignore-fail-on-non-empty kconfig 2>/dev/null || true
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@echo " CLEAN config"
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@rm -f config 2>/dev/null || true
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@echo " CLEAN config.gen"
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@rm -rf config.gen
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