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ar -x libscy.a
readelf -s -W logger.cpp.o | grep Rotating
306: 0000000000000000 1405 FUNC GLOBAL DEFAULT 181 _ZN3scy19RotatingFileChannel5writeERKNS_9LogStreamE
307: 0000000000000000 3092 FUNC GLOBAL DEFAULT 183 _ZN3scy19RotatingFileChannel6rotateEv
308: 0000000000000000 1221 FUNC GLOBAL DEFAULT 175 _ZN3scy19RotatingFileChannelC1ENSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEES7_NS_5LevelES7_iS7_
309: 0000000000000000 1221 FUNC GLOBAL DEFAULT 175 _ZN3scy19RotatingFileChannelC2ENSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEES7_NS_5LevelES7_iS7_
310: 0000000000000000 40 FUNC GLOBAL DEFAULT 179 _ZN3scy19RotatingFileChannelD0Ev
311: 0000000000000000 367 FUNC GLOBAL DEFAULT 177 _ZN3scy19RotatingFileChannelD1Ev
312: 0000000000000000 367 FUNC GLOBAL DEFAULT 177 _ZN3scy19RotatingFileChannelD2Ev
527: 0000000000000230 24 OBJECT GLOBAL DEFAULT 443 _ZTIN3scy19RotatingFileChannelE
543: 00000000000000a0 28 OBJECT GLOBAL DEFAULT 445 _ZTSN3scy19RotatingFileChannelE
559: 0000000000000148 64 OBJECT GLOBAL DEFAULT 443 _ZTVN3scy19RotatingFileChannelE
c++filt -n _ZN3scy19RotatingFileChannelC1ENSt3__112basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEES7_NS_5LevelES7_iS7_
scy::RotatingFileChannel::RotatingFileChannel(std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, scy::Level, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >, int, std::__1::basic_string<char, std::__1::char_traits<char>, std::__1::allocator<char> >)
1. 编译找不到库的问题
export PKG_CONIFG_PATH=xxxx
root@localhost ~]# pkg-config --cflags --libs libcfg
-I/ext/corosync/include -L/ext/corosync/lib -lcfg
2.连接找不到库的问题
/etc/ld.so.conf.d/janus ---- /opt/janus/lib/third_party
ldconfig ---- 刷新缓存
ldconfig -p | grep ffmpeg ---- 查询是否生效以上是关于text C ++的主要内容，如果未能解决你的问题，请参考以下文章