libclangAST.so.6 Cannot Be Found During TiKV Compilation

Symptom

During TiKV compilation, the libclangAST.so.6 dynamic library cannot be found. The error message "the `libclang` shared library at /usr/lib64/clang-private/libclang.so.6.0 could not be opened: libclangAST.so.6: cannot open shared object file: No such file or directory" is displayed.

Key Process and Cause Analysis

1. Check whether the libclang.so.6.0 library exists.

   1	ll /usr/lib64/clang-private/libclang.so.6.0

   The command output shows that the library is found.

   

2. Check whether libclangAST.so.6 exists.

   1	find / -name libclangAST.so.6

   The command output shows that libclangAST.so and libclang.so are in the same directory.

   

3. Check whether libclang.so depends on libclangAST.so.

   1	ldd /usr/lib64/clang-private/libclang.so.6.0

   It is found that the dependency relationship exists, but libclangAST.so cannot be located.

   

Conclusion and Solution

1. Add the path of libclangAST.so to the environment variables.

   export LD_LIBRARY_PATH=/usr/lib64/clang-private/:$LD_LIBRARY_PATH

2. Compile TiKV again.