jkp/CMake — comment on commit 5f334a0ba8b81ad93d86c2f476cd4a4a6bce3b09
File: Source/cmNinjaTargetGenerator.h line 99
By pcc:

I don't think this should be a virtual function. Most of the code in cmNinjaTargetGenerator that deals with building source files should really belong in cmNinjaNormalTargetGenerator.