#if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
if ( mkdir(wxFNCONV(dirname), perm) != 0 )
#else // MSW and OS/2
#if (!(defined(__WXMSW__) || defined(__WXPM__))) || (defined(__GNUWIN32__) && !defined(__MINGW32__)) || defined(__WXWINE__)
if ( mkdir(wxFNCONV(dirname), perm) != 0 )
#else // MSW and OS/2