These warnings were harmless as they concerned the parameters used inside wxASSERTs only but there were hundreds if not thousands of them in wx/strvararg.h alone so all the rest of build output was completely lost in them. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65046 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775