[www-scripts] Doxygen Doc Update: ERROR

[LLVM via www-scripts]

UPDATING /opt/doxygen-docs/src/llvm-project
>From https://github.com/llvm/llvm-project
 * branch            master     -> FETCH_HEAD
   ee6255d..e0c479c  master     -> origin/master
First, rewinding head to replay your work on top of it...
Fast-forwarded master to e0c479cd0e03279784925ece209ff53bdbb86cf8.
Cleaning build directory
Generating Makefiles
/opt/tools/doxygen_update.sh: line 55: cmake: command not found