Checking-out the r5382 and searching in all the .cpp and .h files for the "wxWidgets 2." string, I find several comments about wxWidgets, including this one in "configmanager-revision.cpp" :
wxString ConfigManager::GetRevisionString()
{
// Code::Blocks needs wxWidgets 2.8
CompileTimeAssertion<wxMinimumVersion<2,8>::eval>::Assert();
return autorevision::svnRevision;
}
The compiler is indicated in the cbp project file :
<Option compiler="gcc" />
and in this same cbp file, you can read too :
<Add library="wxmsw28$(WX_SUFFIX)" />