错误：libmpc.so.3: cannot open shared object file解决方法

在使用CMake编译库时候有以下问题：

/opt/ov798/bin/../libexec/gcc/arm-ov798-linux-uclibcgnueabi/4.8.4/cc1: error while loading shared libraries: libmpc.so.3: cannot open shared object file: No such file or directory

解决方法：指定编译链下的库路径

export LD_LIBRARY_PATH=/opt/ov798/lib

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