TARGET_TOOLCHAIN_PREFIX=$(TARGET_TOOLCHAIN_STAGING_DIR)/usr
TARGET_TOOLCHAIN_DEVEL_SYSROOT=$(TARGET_TOOLCHAIN_DIR)/$(UCLIBC_DEVEL_SUBDIR)/

TARGET_TOOLCHAIN_PREFIX-gcc-final-phase=$(TARGET_TOOLCHAIN_STAGING_DIR)
# NB: in order the toolchain to be relocatable this must be a subdir of TARGET_TOOLCHAIN_PREFIX-gcc-final-phase
# TODO: modify gcc, so that we don't need this hack
TARGET_TOOLCHAIN_SYSROOT=$(TARGET_TOOLCHAIN_PREFIX-gcc-final-phase)/usr/

include $(TOOLCHAIN_DIR)/make/target/binutils/binutils.mk
include $(TOOLCHAIN_DIR)/make/target/gcc/gcc.mk
include $(TOOLCHAIN_DIR)/make/target/uclibc/uclibc.mk
include $(TOOLCHAIN_DIR)/make/target/ccache/ccache.mk
include $(TOOLCHAIN_DIR)/make/target/libtool-host/libtool-host.mk

TARGET_TOOLCHAIN := binutils gcc $(STDCXXLIB)

ifeq ($(strip $(FREETZ_TARGET_CCACHE)),y)
	TARGET_TOOLCHAIN += ccache
endif

ifeq ($(strip $(FREETZ_TARGET_TOOLCHAIN)),y)
	TARGET_TOOLCHAIN += binutils_target gcc_target uclibc_target
endif

TARGET_TOOLCHAIN += libtool-host $(if $(FREETZ_PACKAGE_GDB_HOST),gdbhost)

$(TARGET_TOOLCHAIN_DIR):
	@mkdir -p $@

$(TARGET_TOOLCHAIN_STAGING_DIR):
	@mkdir -p $@ $@/bin $@/lib
	@ln -snf . $@/usr
	@mkdir -p $@/usr/$(REAL_GNU_TARGET_NAME)
	@ln -snf ../lib $@/usr/$(REAL_GNU_TARGET_NAME)/lib
	@ln -snf ../include $@/usr/$(REAL_GNU_TARGET_NAME)/include
	@mkdir -p $@/usr/lib/pkgconfig
	@mkdir -p $@/target-utils

target-toolchain: $(TARGET_TOOLCHAIN_DIR) $(TARGET_TOOLCHAIN_STAGING_DIR) \
			$(TARGET_TOOLCHAIN_SYMLINK_DOT_FILE) \
			$(TARGET_CXX_CROSS_COMPILER_SYMLINK_TIMESTAMP) \
			kernel-configured uclibc-configured target-toolchain-kernel-headers \
			$(TARGET_TOOLCHAIN)

target-toolchain-source: $(TARGET_TOOLCHAIN_DIR) \
	$(UCLIBC_DIR)/.unpacked \
	$(BINUTILS_DIR)/.unpacked \
	$(GCC_DIR)/.unpacked \
	$(CCACHE_DIR)/.unpacked

target-toolchain-clean:
	$(RM) $(UCLIBC_DIR)/.config
	$(RM) $(TARGET_TOOLCHAIN_STAGING_DIR)/bin/$(REAL_GNU_TARGET_NAME)*
	$(RM) -r $(TARGET_UTILS_DIR)/*
	-$(MAKE) -C $(UCLIBC_DIR) clean
	-$(MAKE) -C $(BINUTILS_DIR) clean
	$(RM) -r $(GCC_BUILD_DIR1)
	$(RM) -r $(GCC_BUILD_DIR2)
	$(RM) -r $(GCC_BUILD_DIR3)
ifeq ($(strip $(FREETZ_TARGET_CCACHE)),y)
	$(RM) $(TARGET_TOOLCHAIN_STAGING_DIR)/bin-ccache/$(REAL_GNU_TARGET_NAME)*
	-$(MAKE) -C $(CCACHE_DIR) clean
endif

target-toolchain-dirclean:
	$(RM) -r $(TARGET_TOOLCHAIN_DIR)