xiashiwendao 发表于 2021-2-13 16:49:58

/lib/libstdc++.so can not find symbol: __mb_cur_max异常

本帖最后由 xiashiwendao 于 2021-2-14 13:00 编辑

在进行ffmpeg移植的时候,发现报错:
# ./ffmpeg -i
Library /lib/libstdc++.so can not find symbol: __mb_cur_max

在IDE通过ELF File Analysis工具查看发现__mb_cur_max一行标红:
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

请问标红代表什么意思,这个问题怎么解决?
谢谢!

xiashiwendao 发表于 2021-2-18 09:32:21

__mb_cur_max是在sylixos的libsylixos下面有声明,但是没有赋值,后来在ffmpeg的main函数上面进行定义,问题解决。
页: [1]
查看完整版本: /lib/libstdc++.so can not find symbol: __mb_cur_max异常