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% ./configure CFLAGS="-Os" --enable-fixed-point --enable-intrinsics --host=arm-linux
// configure后面的参数是指定优化选项，和编译器
% make
% sudo make install二、可以用git下载源码
% git clone https://git.xiph.org/opus.git
% cd opus% ./autogen.sh
% ./configure CFLAGS="-Os" --enable-fixed-point --enable-intrinsics --host=arm-linux
% make% sudo make install