The full list is:
``clang;clang-tools-extra;compiler-rt;cross-project-tests;libc;libclc;libcxx;libcxxabi;libunwind;lld;lldb;openmp;parallel-libs;polly;pstl``
+**LLVM_ENABLE_RUNTIMES**:STRING
+ Build libc++, libc++abi or other projects using that a just-built compiler.
+ This is the correct way to build libc++ when putting together a toolchain.
+ It will build the builtins separately from the other runtimes to preserve
+ correct dependency ordering.
+ Note: the list should not have duplicates with `LLVM_ENABLE_PROJECTS`.
+ The full list is:
+ ``compiler-rt;libc;libcxx;libcxxabi;libunwind;openmp``
+ To enable all of them, use:
+ ``LLVM_ENABLE_RUNTIMES=all``
+
+
**LLVM_ENABLE_RTTI**:BOOL
Build LLVM with run-time type information. Defaults to OFF.