# Also add in libc++ and compiler-rt trees if present (and we have
# a sufficiently recent version of CMake where required).
if(${LLVM_BUILD_RUNTIME})
- add_llvm_external_project(libcxx)
+ # MSVC isn't quite working with libc++ yet, disable it until issues are
+ # fixed.
+ if(NOT MSVC)
+ add_llvm_external_project(libcxx)
+ endif()
if(${CMAKE_VERSION} VERSION_GREATER 2.8.7)
add_llvm_external_project(compiler-rt)
else()