~/emacs-26.3/src$ ldd -r /usr/lib/gcc/x86_64-linux-gnu/6/../../../x86_64-linux-gnu/libSM.so
        linux-vdso.so.1 (0x00007ffe99596000)
        libICE.so.6 => /usr/lib/x86_64-linux-gnu/libICE.so.6 (0x00007f6f61103000)
        libuuid.so.1 => /lib/x86_64-linux-gnu/libuuid.so.1 (0x00007f6f60efe000)
        libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f6f60b5f000)
        libbsd.so.0 => /lib/x86_64-linux-gnu/libbsd.so.0 (0x00007f6f60949000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f6f61528000)
        librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f6f60741000)
        libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f6f60524000)