From trying to compile Linux w/ wx2.6 unicode:
src/sdk/macrosmanager.h is missing #include <wx/filename.h>
src/src/app.cpp is missing #include <pluginmanager.h>
src/plugins/compilergcc/cmdlinegenerator.h is missing #include <compiletargetbase.h> ( for OptionsRelationType )
And now it finally compiled! =)