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