[PATCH] D150688: [cmake] Set CMP0091 to fix Windows builds after the cmake_minimum_required bump

[Hans Wennborg via Phabricator via llvm-commits]

hans created this revision.
hans added reviewers: Mordante, rnk.
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The build uses other mechanism to select the runtime.

Fixes #62719


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D150688

Files:
  cmake/Modules/CMakePolicy.cmake


Index: cmake/Modules/CMakePolicy.cmake
===================================================================
--- cmake/Modules/CMakePolicy.cmake
+++ cmake/Modules/CMakePolicy.cmake
@@ -10,3 +10,8 @@
 if(POLICY CMP0116)
   cmake_policy(SET CMP0116 OLD)
 endif()
+# CMP0091: MSVC runtime library flags are selected by an abstraction.
+# New in CMake 3.15. https://cmake.org/cmake/help/latest/policy/CMP0091.html
+if(POLICY CMP0091)
+  cmake_policy(SET CMP0091 OLD)
+endif()


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