[llvm] r302753 - Add temporary workaround to allow in-tree libc++ builds on Windows

[Eric Fiselier via llvm-commits]

Author: ericwf
Date: Wed May 10 20:44:30 2017
New Revision: 302753

URL: http://llvm.org/viewvc/llvm-project?rev=302753&view=rev
Log:
Add temporary workaround to allow in-tree libc++ builds on Windows

Modified:
    llvm/trunk/projects/CMakeLists.txt

Modified: llvm/trunk/projects/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/projects/CMakeLists.txt?rev=302753&r1=302752&r2=302753&view=diff
==============================================================================
--- llvm/trunk/projects/CMakeLists.txt (original)
+++ llvm/trunk/projects/CMakeLists.txt Wed May 10 20:44:30 2017
@@ -22,7 +22,9 @@ endforeach(entry)
 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)