In file included from Scintilla.xs:8:0: ../GUI.h:768:22: warning: 'ImageList_Duplicate' redeclared without dllimport att ribute: previous dllimport ignored [-Wattributes] Scintilla.xs: In function 'CallWndProc': Scintilla.xs:199:101: error: 'GWL_USERDATA' undeclared (first use in this functi on) Scintilla.xs:199:101: note: each undeclared identifier is reported only once for each function it appears in dmake: Error code 129, while making 'Scintilla.o' dmake.exe: Error code 255, while making 'subdirs' ROBERTMAY/Win32-GUI/Win32-GUI-1.06.tar.gz C:\strawberry\c\bin\dmake.exe -- NOT OK CPAN: YAML::XS loaded ok (v0.39) Running make test Can't test without successful make Running make install Make had returned bad status, install seems impossible Stopping: 'install' failed for 'Win32::GUI'.