Checking if your kit is complete... Looks good Writing Makefile for File::MMagic::XS Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. cp lib/File/MMagic/magic blib\lib\File\MMagic\magic cp benchmark.pl blib\lib\File\MMagic\benchmark.pl cp lib/File/MMagic/XS.pm blib\lib\File\MMagic\XS.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 MMagic.xs > MMagic.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv MMagic.xsc MMagic.c cl -c -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=\"0.09003\" -DXS_VERSION=\"0.09003\" "-IC:\cpanrun\build\5-10-0\lib\CORE" MMagic.c MMagic.c MMagic.xs(592) : warning C4244: '=' : conversion from '__int64 ' to 'long ', possible loss of data MMagic.xs(618) : warning C4101: 'datasize' : unreferenced local variable MMagic.xs(1363) : error C2065: 'S_IFIFO' : undeclared identifier MMagic.xs(1369) : error C2065: 'S_IFBLK' : undeclared identifier MMagic.xs(1371) : error C2065: 'S_IFLNK' : undeclared identifier MMagic.xs(1376) : error C2065: 'S_IFSOCK' : undeclared identifier MMagic.xs(1395) : warning C4133: 'function' : incompatible types - from 'struct stat *' to 'struct _stati64 *' MMagic.xs(1452) : warning C4013: 'strtok_r' undefined; assuming extern returning int MMagic.xs(1452) : warning C4047: '=' : 'char *' differs in levels of indirection from 'int ' MMagic.xs(1611) : warning C4013: 'rindex' undefined; assuming extern returning int MMagic.xs(1611) : warning C4047: 'initializing' : 'char *' differs in levels of indirection from 'int ' NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.