$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/serial $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_BUILD_DIR)/usocket $(1)/usr/bin/
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_BUILD_DIR)/serial $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_BUILD_DIR)/usocket $(1)/usr/bin/