When I try to build with MSVC 2015 after: https://cgit.freedesktop.org/libreoffice/core/commit/?id=b862cbdd345ec57c2595629ded6a3969e1e65d56 I'm getting the following build error: Build started 2/18/2017 1:11:26 PM. Project "D:\core\workdir\UnpackedTarball\lcms2\Projects\VC2013\lcms2_DLL\lcms2_DLL.vcxproj" on node 1 (default targets). C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Platforms\Win32\PlatformToolsets\v140\Toolset.targets(34,5): error MSB8036: The Windows SDK version 10.0.10240.0 was not found. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solution". [D:\core\workdir\UnpackedTarball\lcms2\Projects\VC2013\lcms2_DLL\lcms2_DLL.vcxproj] Done Building Project "D:\core\workdir\UnpackedTarball\lcms2\Projects\VC2013\lcms2_DLL\lcms2_DLL.vcxproj" (default targets) -- FAILED. Build FAILED. "D:\core\workdir\UnpackedTarball\lcms2\Projects\VC2013\lcms2_DLL\lcms2_DLL.vcxproj" (default target) (1) -> (Desktop_PlatformPrepareForBuild target) -> C:\Program Files (x86)\MSBuild\Microsoft.Cpp\v4.0\V140\Platforms\Win32\PlatformToolsets\v140\Toolset.targets(34,5): error MSB8036: The Windows SDK version 10.0.10240.0 was not found. Install the required version of Windows SDK or change the SDK version in the project property pages or by right-clicking the solution and selecting "Retarget solution". [D:\core\workdir\UnpackedTarball\lcms2\Projects\VC2013\lcms2_DLL\lcms2_DLL.vcxproj] 0 Warning(s) 1 Error(s) Time Elapsed 00:00:00.44 make[1]: *** [D:/core/external/lcms2/ExternalProject_lcms2.mk:19: D:/core/workdir/ExternalProject/lcms2/build] Error 1 make[1]: *** Waiting for unfinished jobs.... make: *** [Makefile:259: build] Error 2 Have Windows SDK requirements changed for 2015 or is this a bug?