git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302753
91177308-0d34-0410-b5e6-
96231b3b80d8
if(${LLVM_BUILD_RUNTIME})
# MSVC isn't quite working with libc++ yet, disable it until issues are
# fixed.
- if(NOT MSVC)
+ # FIXME: LLVM_FORCE_BUILD_RUNTIME is currently used by libc++ to force
+ # enable the in-tree build when targeting clang-cl.
+ if(NOT MSVC OR LLVM_FORCE_BUILD_RUNTIME)
# Add the projects in reverse order of their dependencies so that the
# dependent projects can see the target names of their dependencies.
add_llvm_external_project(libunwind)