Surrealdb can't compile

[callmeitachi]

I'm not good at English,and i have the following problem,what shuold i do?
error: failed to run custom build command for librocksdb-sys v0.11.0+8.1.1

Caused by:
process didn't exit successfully: /home/hadoop/surreall/target/debug/build/librocksdb-sys-ef8862c7918bff55/build-script-build (exit status: 101)
--- stderr
thread 'main' panicked at /root/.cargo/registry/src/rsproxy.cn-8f6827c7555bfaf8/bindgen-0.65.1/lib.rs:603:31:
Unable to find libclang: "couldn't find any valid shared libraries matching: ['libclang.so', 'libclang-.so', 'libclang.so.', 'libclang-.so.'], set the LIBCLANG_PATH environment variable to a path where one of these files can be found (invalid: [])"
note: run with RUST_BACKTRACE=1 environment variable to display a backtrace