[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
   6ee22ca..d9da4c3  master     -> origin/master
Auto packing the repository for optimum performance. You may also
run "git gc" manually. See "git help gc" for more information.
warning: unable to access 'clang/clang/.gitattributes': Too many levels of symbolic links
First, rewinding head to replay your work on top of it...
Fast-forwarded master to d9da4c3e73720badfcac5c0dc63c0285bb690770.
Cleaning build directory
Generating Makefiles
/opt/tools/doxygen_update.sh: line 55: cmake: command not found