define pkg_install_files
    $(foreach install_file,$(1),$(INSTALL_DIR) $(3)/`dirname $(install_file)`; $(INSTALL_DATA) $(2)/$(install_file) $(3)/`dirname $(install_file)`;)
endef

define pkg_install_bin
    $(foreach install_apps,$(1),$(INSTALL_DIR) $(3)/`dirname $(install_file)`; $(INSTALL_BIN) $(2)/$(install_file) $(3)/`dirname $(install_file)`;)
endef