Checking if your kit is complete... Looks good Writing Makefile for Mac::CoreMIDI Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp lib/Mac/CoreMIDI/Device.pm blib\lib\Mac\CoreMIDI\Device.pm cp lib/Mac/CoreMIDI/Port.pm blib\lib\Mac\CoreMIDI\Port.pm cp lib/Mac/CoreMIDI/Client.pm blib\lib\Mac\CoreMIDI\Client.pm cp lib/Mac/CoreMIDI/Entity.pm blib\lib\Mac\CoreMIDI\Entity.pm cp lib/Mac/CoreMIDI/Endpoint.pm blib\lib\Mac\CoreMIDI\Endpoint.pm cp lib/Mac/CoreMIDI.pm blib\lib\Mac\CoreMIDI.pm cp lib/Mac/CoreMIDI/Object.pm blib\lib\Mac\CoreMIDI\Object.pm C:\cpanrun\build\5-10-0\bin\perl.exe C:\cpanrun\build\5-10-0\lib\ExtUtils\xsubpp -typemap C:\cpanrun\build\5-10-0\lib\ExtUtils\typemap -typemap typemap CoreMIDI.xs > CoreMIDI.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv CoreMIDI.xsc CoreMIDI.c Please specify prototyping behavior for CoreMIDI.xs (see perlxs manual) cl -c -I. -nologo -GF -W3 -MD -Zi -DNDEBUG -O1 -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DUSE_SITECUSTOMIZE -DPRIVLIB_LAST_IN_INC -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DUSE_PERLIO -DPERL_MSVCRT_READFIX -MD -Zi -DNDEBUG -O1 -DVERSION=\"0.04\" -DXS_VERSION=\"0.04\" "-IC:\cpanrun\build\5-10-0\lib\CORE" CoreMIDI.c CoreMIDI.c helpers.h(15) : fatal error C1083: Cannot open include file: 'CoreMIDI/CoreMIDI.h': No such file or directory NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.