Checking if your kit is complete... Looks good Writing Makefile for Device::ParallelPort::drv::linux cp linux.pm blib\lib\Device\ParallelPort\drv\linux.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib D:\cpanrun\build\5-6-1\lib\ExtUtils/xsubpp -typemap D:\cpanrun\build\5-6-1\lib\ExtUtils\typemap linux.xs > linux.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv linux.xsc linux.c cl -c -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=\"1.00\" -DXS_VERSION=\"1.00\" -ID:\cpanrun\build\5-6-1\lib\CORE linux.c linux.c linux.xs(6) : fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory