gwc0111: 博主你好，我在macOS系统下，用Qt Creator开发环境，遇到了相似的问题，我是引用第三方库时报错的，报了大量的“referenced from:”的错误，目前还没找到解决办法 Undefined symbols for architecture x86_64: "_pj_crc32_final", referenced from: _pjsua_acc_add in libpjsua-x86_64-apple-darwin19.2.0.a(pjsua_acc.o) _pjsua_acc_modify in libpjsua-x86_64-apple-darwin19.2.0.a(pjsua_acc.o) "_pj_crc32_init", referenced from: _pjsua_acc_add in libpjsua-x86_64-apple-darwin19.2.0.a(pjsua_acc.o) _pjsua_acc_modify in libpjsua-x86_64-apple-darwin19.2.0.a(pjsua_acc.o) ……