#############################################################
#
# lzma
#
#############################################################
LZMA_VERSION:=4.32.7
LZMA_SOURCE:=lzma-$(LZMA_VERSION).tar.gz
LZMA_SITE:=http://tukaani.org/lzma/
LZMA_INSTALL_STAGING = YES
LZMA_INSTALL_TARGET = YES
LZMA_CONF_OPT = $(if $(BR2_ENABLE_DEBUG),--enable-debug,--disable-debug)

$(eval $(call AUTOTARGETS,package,lzma))

######################################################################
#
# lzma host
#
######################################################################

LZMA_CAT:=$(ZCAT)
LZMA_HOST_DIR:=$(TOOLCHAIN_DIR)/lzma-$(LZMA_VERSION)

# lzma binary for use on the host
LZMA=$(TOOLCHAIN_DIR)/bin/lzma
HOST_LZMA_BINARY=$(shell package/lzma/lzmacheck.sh)
HOST_LZMA_IF_ANY=$(shell toolchain/dependencies/check-host-lzma.sh)

$(DL_DIR)/$(LZMA_SOURCE):
	$(call DOWNLOAD,$(LZMA_SITE),$(LZMA_SOURCE))

$(LZMA_HOST_DIR)/.unpacked: $(DL_DIR)/$(LZMA_SOURCE)
	$(LZMA_CAT) $(DL_DIR)/$(LZMA_SOURCE) | tar -C $(TOOLCHAIN_DIR) $(TAR_OPTIONS) -
	toolchain/patch-kernel.sh $(LZMA_HOST_DIR) package/lzma/ lzma\*.patch
	touch $@

$(LZMA_HOST_DIR)/.configured: $(LZMA_HOST_DIR)/.unpacked
	(cd $(LZMA_HOST_DIR); rm -f config.cache;\
		CC="$(HOSTCC)" \
		CXX="$(HOSTCXX)" \
		./configure $(QUIET) \
		--prefix=/ \
	)
	touch $@

$(LZMA_HOST_DIR)/src/lzma/lzma: $(LZMA_HOST_DIR)/.configured
	$(MAKE) -C $(LZMA_HOST_DIR) all
	touch -c $@

$(STAGING_DIR)/bin/lzma: $(LZMA_HOST_DIR)/src/lzma/lzma
	$(MAKE) DESTDIR=$(STAGING_DIR) -C $(LZMA_HOST_DIR) install
	$(SED) "s,^libdir=.*,libdir=\'$(STAGING_DIR)/lib\',g" \
		$(STAGING_DIR)/lib/liblzmadec.la

.PHONY: lzma-host use-lzma-host-binary
use-lzma-host-binary:
	if [ ! -f "$(TOOLCHAIN_DIR)/bin/lzma" ]; then \
		[ -d $(TOOLCHAIN_DIR)/bin ] || mkdir -p $(TOOLCHAIN_DIR)/bin; \
		ln -sf "$(HOST_LZMA_IF_ANY)" "$(TOOLCHAIN_DIR)/bin/lzma"; \
	fi

build-lzma-host-binary: $(LZMA_HOST_DIR)/src/lzma/lzma
	-rm -f $(TOOLCHAIN_DIR)/bin/lzma
	[ -d $(TOOLCHAIN_DIR)/bin ] || mkdir $(TOOLCHAIN_DIR)/bin
	cp -pf $(LZMA_HOST_DIR)/src/lzma/lzma $(TOOLCHAIN_DIR)/bin/lzma

host-lzma: $(HOST_LZMA_BINARY)

lzma-host: $(STAGING_DIR)/bin/lzma

lzma-host-clean:
	rm -f $(STAGING_DIR)/bin/lzma
	-$(MAKE) -C $(LZMA_HOST_DIR) clean
lzma-host-dirclean:
	rm -rf $(LZMA_HOST_DIR)

lzma-host-install: /usr/local/bin/lzma