expat: add host-expat support

$(EXPAT_HOOK_POST_INSTALL): $(EXPAT_TARGET_INSTALL_TARGET)

	$(STRIPCMD) $(STRIP_STRIP_UNNEEDED) $(TARGET_DIR)/usr/lib/libexpat.so.*

	touch $@

# expat for the host

EXPAT_HOST_DIR:=$(BUILD_DIR)/expat-$(EXPAT_VERSION)-host

EXPAT_HOST_BINARY:=$(HOST_DIR)/usr/lib/libexpat.a

$(EXPAT_HOST_DIR)/.unpacked: $(DL_DIR)/$(EXPAT_SOURCE)

	mkdir -p $(@D)

	$(INFLATE$(suffix $(EXPAT_SOURCE))) $< | \

		$(TAR) $(TAR_STRIP_COMPONENTS)=1 -C $(@D) $(TAR_OPTIONS) -

	touch $@

$(EXPAT_HOST_DIR)/.configured: $(EXPAT_HOST_DIR)/.unpacked

	(cd $(@D); rm -rf config.cache; \

		$(HOST_CONFIGURE_OPTS) \

		CFLAGS="$(HOST_CFLAGS)" \

		LDFLAGS="$(HOST_LDFLAGS)" \

		$(@D)/configure \

		--prefix=$(HOST_DIR)/usr \

		--sysconfdir=$(HOST_DIR)/etc \

	)

	touch $@

$(EXPAT_HOST_DIR)/.compiled: $(EXPAT_HOST_DIR)/.configured

	$(MAKE) -C $(@D)

	touch $@

$(EXPAT_HOST_BINARY): $(EXPAT_HOST_DIR)/.compiled

	$(MAKE) -C $(<D) installlib

host-expat: $(EXPAT_HOST_BINARY)

host-expat-source: expat-source

host-expat-clean:

	rm -f $(addprefix $(EXPAT_HOST_DIR)/,.unpacked .configured .compiled)

	$(MAKE) -C $(EXPAT_HOST_DIR) uninstall

	$(MAKE) -C $(EXPAT_HOST_DIR) clean

host-expat-dirclean:

	rm -rf $(EXPAT_HOST_DIR)