Fix default VS generator selection for Microsoft Build Tools (!165) · Merge requests · CMake / CMake

Some versions of the VS tools do not install the registry entry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\$v;InstallDir

but all appear to set

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\$v\Setup\VC;ProductDir

Update our search to consider both entries.

Fix default VS generator selection for Microsoft Build Tools