preproc changed for multi-lib

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77058 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
multi-lib template

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77059 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
multi-lib cocoa project

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@77060 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775