Writing POD file Checking if your kit is complete... Looks good Note (probably harmless): No library found for '-lX11' Note (probably harmless): No library found for '-lXtst' Writing Makefile for X11::GUITest::record Microsoft (R) Program Maintenance Utility Version 7.00.8882 Copyright (C) Microsoft Corp 1988-2000. All rights reserved. cp X11-GUITest-record.pod blib\lib\X11\GUITest\X11-GUITest-record.pod cp lib/X11/GUITest/record.pm blib\lib\X11\GUITest\record.pm cl -c -I. -nologo -O1 -MD -Zi -DNDEBUG -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DPERL_MSVCRT_READFIX -O1 -MD -Zi -DNDEBUG -DVERSION=\"0.13\" -DXS_VERSION=\"0.13\" -ID:\cpanrun\build\5-6-1\lib\CORE datastructure.c datastructure.c datastructure.c(31) : fatal error C1083: Cannot open include file: 'X11/Xproto.h': No such file or directory NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.