Enable CMAKE_MSVC_RUNTIME_LIBRARY support via CMP0091 policy #566
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This change enables users to configure the MSVC runtime library using CMAKE_MSVC_RUNTIME_LIBRARY (e.g., MultiThreaded or MultiThreadedDebug) for static linking scenarios. Without this policy set to NEW, CMAKE_MSVC_RUNTIME_LIBRARY is ignored, making it impossible to build with static runtime (/MT, /MTd) via CMake parameters alone. The conditional check ensures backward compatibility with CMake versions prior to 3.15 where CMP0091 doesn't exist.
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Summary
This PR enables users to configure the MSVC runtime library using
CMAKE_MSVC_RUNTIME_LIBRARY(e.g.,MultiThreadedorMultiThreadedDebug) for static linking scenarios on Windows.Problem
Without the
CMP0091policy set toNEW, theCMAKE_MSVC_RUNTIME_LIBRARYCMake variable is ignored. This makes it impossible to build with static runtime (/MT,/MTd) via CMake parameters alone.Solution
Add a conditional policy check that:
CMP0091when available (CMake 3.15+)Example Usage
After this change, users can build with a static runtime: