Checking if your kit is complete... Looks good Writing Makefile for SGI::syssgi cp lib/SGI/syssgi.pm blib\lib\SGI\syssgi.pm AutoSplitting blib\lib\SGI\syssgi.pm (blib\lib\auto\SGI\syssgi) cl -c -nologo -O1 -NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. RYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DPERL_MSVCRT_READFIX -O1 -MD -Zi -DNDEBUG -DVERSION=\"1.002\" -DXS_VERSION=\"1.002\" -ID:\cpanrun\build\5-6-1\lib\CORE syssgi.c syssgi.c syssgi.c(3) : fatal error C1083: Cannot open include file: 'sys/syssgi.h': No such file or directory