turn of enable_builtin_llvm when cling is not enabled, so builtin-llvm does not show up in the features list.
turn of enable_builtin_llvm when cling is not enabled, so builtin-llvm
does not show up in the features list.


git-svn-id: ecbadac9c76e8cf640a0bca86f6bd796c98521e3@45761 27541ba8-7e3a-0410-8455-c3a389f83636

bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT,bbannier/ROOT