# ===========================================================================

# 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)

KCONFIG_TOP = config/config.in

obj = $(CT_TOP_DIR)/kconfig

PHONY += clean help oldconfig menuconfig config defoldconfig extractconfig

# 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

# Build a list of all config files

ARCHS              = $(patsubst $(CT_LIB_DIR)/arch/%,%,$(wildcard $(CT_LIB_DIR)/arch/*))

ARCH_CONFIG_FILE   = $(wildcard $(CT_LIB_DIR)/arch/*/*.in)

DEBUG_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/debug/*.in)

TOOLS_CONFIG_FILES = $(wildcard $(CT_LIB_DIR)/config/tools/*.in)

STATIC_CONFIG_FILES = $(shell find $(CT_LIB_DIR)/config -type f -name '*.in')

GEN_CONFIG_FILES=$(CT_TOP_DIR)/config.gen/arch.in	\

				 $(CT_TOP_DIR)/config.gen/debug.in	\

				 $(CT_TOP_DIR)/config.gen/tools.in

CONFIG_FILES=$(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)

$(GEN_CONFIG_FILES):: $(CT_TOP_DIR)/config.gen

$(CT_TOP_DIR)/config.gen:

	@mkdir -p $(CT_TOP_DIR)/config.gen

$(CT_TOP_DIR)/config.gen/arch.in:: $(ARCH_CONFIG_FILES)

	@(echo "# Architectures menu";                                              \

	  echo "# Generated file, do not edit!!!";                                  \

	  echo "";                                                                  \

	  for arch in $(ARCHS); do                                                  \

	    echo "config ARCH_$${arch}";                                            \

	    echo "    bool";                                                        \

	    printf "    prompt \"$${arch}";                                         \

	    if [ -f $(CT_LIB_DIR)/arch/$${arch}/experimental ]; then                \

	      echo " (EXPERIMENTAL)\"";                                             \

	      echo "    depends on EXPERIMENTAL";                                   \

	    else                                                                    \

	      echo "\"";                                                            \

	    fi;                                                                     \

	    echo "if ARCH_$${arch}";                                                \

	    echo "config ARCH";                                                     \

	    echo "    default \"$${arch}\" if ARCH_$${arch}";                       \

	    echo "source config/arch/$${arch}/config.in";                           \

	    echo "endif";                                                           \

	    echo "";                                                                \

	  done;                                                                     \

	) >$@

$(CT_TOP_DIR)/config.gen/debug.in:: $(DEBUG_CONFIG_FILES)

	@echo "# Debug facilities menu" >$@

	@echo "# Generated file, do not edit!!!" >>$@

	@echo "menu \"Debug facilities\"" >>$@

	@for f in $(patsubst $(CT_TOP_DIR)/%,%,$(wildcard $(CT_TOP_DIR)/config/debug/*.in)); do \

	     echo "source $${f}";                                                               \

	 done >>$@

	@echo "endmenu" >>$@

$(CT_TOP_DIR)/config.gen/tools.in:: $(TOOLS_CONFIG_FILES)

	@echo "# Tools facilities menu" >$@

	@echo "# Generated file, do not edit!!!" >>$@

	@echo "menu \"Tools facilities\"" >>$@

	@for f in $(patsubst $(CT_TOP_DIR)/%,%,$(wildcard $(CT_TOP_DIR)/config/tools/*.in)); do \

	     echo "source $${f}";                                                               \

	 done >>$@

	@echo "endmenu" >>$@

config menuconfig oldconfig defoldconfig extractconfig:: $(KCONFIG_TOP)

$(KCONFIG_TOP):

	@ln -sf $(CT_LIB_DIR)/config config

menuconfig:: $(obj)/mconf $(CONFIG_FILES)

	@$< $(KCONFIG_TOP)

config:: $(obj)/conf $(CONFIG_FILES)

	@$< $(KCONFIG_TOP)

oldconfig:: $(obj)/conf $(CONFIG_FILES)

	@$< -s $(KCONFIG_TOP)

defoldconfig:: $(obj)/conf $(CONFIG_FILES)

	@yes "" |$< -s $(KCONFIG_TOP) >/dev/null

extractconfig:: $(obj)/conf $(CONFIG_FILES)

	@$(CT_LIB_DIR)/tools/extract-config.sh >.config

	@$< -s $(KCONFIG_TOP)

# Help text used by make help

help-config::

	@echo  '  config             - Update current config using a line-oriented program'

	@echo  '  menuconfig         - Update current config using a menu based program'

	@echo  '  oldconfig          - Update current config using a provided .config as base'

	@echo  '  extractconfig      - Create a new config using options extracted from a'

	@echo  '                       build log piped into stdin'

# Cheesy build

SHIPPED := $(CT_LIB_DIR)/kconfig/zconf.tab.c $(CT_LIB_DIR)/kconfig/lex.zconf.c $(CT_LIB_DIR)/kconfig/zconf.hash.c

%.c: %.c_shipped

	@ln -s $(notdir $<) $@

$(obj)/conf $(obj)/mconf:: $(obj)

$(obj):

	@mkdir -p $(obj)

$(obj)/mconf:: $(SHIPPED) $(CT_LIB_DIR)/kconfig/mconf.c

	@$(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

	@$(HOST_CC) $(CFLAGS) -o $@ $(CT_LIB_DIR)/kconfig/{conf.c,zconf.tab.c}

clean::

	@rm -f $(CT_TOP_DIR)/kconfig/{,m}conf

	@rm -f $(SHIPPED)

	@rmdir --ignore-fail-on-non-empty $(CT_TOP_DIR)/kconfig 2>/dev/null || true

	@rm -f $(CT_TOP_DIR)/config 2>/dev/null || true

	@rm -rf $(CT_TOP_DIR)/config.gen