gdbusauth.c: In function ‘_g_dbus_auth_run_server’: gdbusauth.c:1302:11: error: ‘%s’ directive argument is null [-Werror=format-overflow=] 1302 | debug_print ("SERVER: WaitingForBegin, read '%s'", line); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[6]: *** [Makefile:3633：libgio_2_0_la-gdbusauth.lo] 错误 1 make[6]: *** 正在等待未完成的任务.... gdbusmessage.c: In function ‘parse_value_from_blob’: gdbusmessage.c:1712:29: warning: variable ‘item’ set but not used [-Wunused-but-set-variable] 1712 | GVariant *item; | ^~~~ gdbusmessage.c: In function ‘append_value_to_blob’: gdbusmessage.c:2326:24: warning: unused variable ‘end’ [-Wunused-variable] 2326 | const gchar *end; | ^~~ gdbusmessage.c: In function ‘g_dbus_message_to_blob’: gdbusmessage.c:2702:30: error: ‘%s’ directive argument is null [-Werror=format-overflow=] 2702 | tupled_signature_str = g_strdup_printf ("(%s)", signature_str); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors make[6]: *** [Makefile:3682：libgio_2_0_la-gdbusmessage.lo] 错误 1 make[5]: *** [Makefile:4471：all-recursive] 错误 1
解决方案
1、找到这个文件使用vim打开
2、找到报错的位置，加入如下代码：
if(line != NULL)
和
if(signature_str!= NULL)
即可完美解决。
