quoting myself

Originally Posted By etabeta
your error is clearly due to a bug in the code not the compiler, probably due to Micko's changes to the makefile (it does not happen on my MacOSX). it will get fixed for sure asap.

in other words, it is a bug: tools do not compile at the moment if you set OSD=winui. they compile if you do not set OSD=winui.

I think Micko will fix them soon. it is a makefile problem, probably.