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

# crosstool-NG genererated config files

# These targets are used from top-level makefile

#-----------------------------------------------------------

# List all config files, wether sourced or generated

# The top-level config file to be used be configurators

KCONFIG_TOP = config/config.in

# Build the list of all source config files

STATIC_CONFIG_FILES = $(patsubst $(CT_LIB_DIR)/%,%,$(shell find $(CT_LIB_DIR)/config -type f \( -name '*.in' -o -name '*.in.2' \) 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))

ARCH_CONFIG_FILES_2   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/arch/*.in.2))

KERNEL_CONFIG_FILES   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in))

KERNEL_CONFIG_FILES_2 = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/kernel/*.in.2))

CC_CONFIG_FILES       = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in))

CC_CONFIG_FILES_2     = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/cc/*.in.2))

LIBC_CONFIG_FILES     = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in))

LIBC_CONFIG_FILES_2   = $(patsubst $(CT_LIB_DIR)/%,%,$(wildcard $(CT_LIB_DIR)/config/libc/*.in.2))

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

# ... and how to access them:

# Generated files depends on the gen_in_frags script because it has the

# functions needed to build the genrated files, and thus they might need

# re-generation if it changes.

# They also depends on config.mk (this file) because it has the dependency

# rules, and thus they might need re-generation if the deps change.

$(GEN_CONFIG_FILES): config.gen                             \

                     $(CT_LIB_DIR)/scripts/gen_in_frags.sh  \

                     $(CT_LIB_DIR)/config/config.mk

# Helper entry for the configurators

PHONY += config_files

config_files: $(STATIC_CONFIG_FILES) $(GEN_CONFIG_FILES)

# Where to access to the source config files from

config:

	@$(ECHO) "  LN    config"

	$(SILENT)ln -s $(CT_LIB_DIR)/config config

# Where to store the generated config files into

config.gen:

	@$(ECHO) "  MKDIR config.gen"

	$(SILENT)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))

#-----------------------------------------------------------

# The rules for the generated config files

# WARNING! If a .in file disapears between two runs, that will NOT be detected!

config.gen/arch.in: $(ARCH_CONFIG_FILES) $(ARCH_CONFIG_FILES_2)

	@$(ECHO) '  IN    $(@)'

	$(SILENT)$(CT_LIB_DIR)/scripts/gen_in_frags.sh choice "$@" "Target Architecture" "ARCH" "config/arch" "Y" $(ARCHS)

config.gen/kernel.in: $(KERNEL_CONFIG_FILES) $(KERNEL_CONFIG_FILES_2)

	@$(ECHO) '  IN    $(@)'

	$(SILENT)$(CT_LIB_DIR)/scripts/gen_in_frags.sh choice "$@" "Target OS" "KERNEL" "config/kernel" "Y" $(KERNELS)

config.gen/cc.in: $(CC_CONFIG_FILES) $(CC_CONFIG_FILES_2)

	@$(ECHO) '  IN    $(@)'

	$(SILENT)$(CT_LIB_DIR)/scripts/gen_in_frags.sh choice "$@" "C compiler" "CC" "config/cc" "N" $(CCS)

config.gen/libc.in: $(LIBC_CONFIG_FILES) $(LIBC_CONFIG_FILES_2)

	@$(ECHO) '  IN    $(@)'

	$(SILENT)$(CT_LIB_DIR)/scripts/gen_in_frags.sh choice "$@" "C library" "LIBC" "config/libc" "Y" $(LIBCS)

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

	@$(ECHO) '  IN    $(@)'

	$(SILENT)$(CT_LIB_DIR)/scripts/gen_in_frags.sh menu "$@" "Debug facilities" "DEBUG" "config/debug" $(DEBUGS)

#-----------------------------------------------------------

# Cleaning up the mess...

clean::

	@$(ECHO) "  CLEAN config"

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

	@$(ECHO) "  CLEAN config.gen"

	$(SILENT)rm -rf config.gen