guix:~/.vim/plugged/YouCompleteMe/third_party/ycmd/third_party/clang/lib$ ldd libclang.so.9
        linux-vdso.so.1 (0x00007fffb054c000)
        libdl.so.2 => /gnu/store/jdfs3xvlnj272475yja6bjrprfsgnkdd-glibc-2.29/lib/libdl.so.2 (0x00007f5edeb0e000)
        libpthread.so.0 => /gnu/store/jdfs3xvlnj272475yja6bjrprfsgnkdd-glibc-2.29/lib/libpthread.so.0 (0x00007f5edeaed000)
        libstdc++.so.6 => not found
        libm.so.6 => /gnu/store/jdfs3xvlnj272475yja6bjrprfsgnkdd-glibc-2.29/lib/libm.so.6 (0x00007f5ede9ad000)
        libgcc_s.so.1 => not found
        libc.so.6 => /gnu/store/jdfs3xvlnj272475yja6bjrprfsgnkdd-glibc-2.29/lib/libc.so.6 (0x00007f5ede7f3000)
        /gnu/store/jdfs3xvlnj272475yja6bjrprfsgnkdd-glibc-2.29/lib/ld-linux-x86-64.so.2 (0x00007f5ee3c9e000)