Windows: Improve link-time error messages when rc or mt fail
Detect and report error to user if rc.exe is not found when running cmake -E vs_link_exe or vs_link_dll.
Topic-rename: rc-missing-better-error
Edited by Brad King
Detect and report error to user if rc.exe is not found when running cmake -E vs_link_exe or vs_link_dll.
Topic-rename: rc-missing-better-error