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Writing Makefile for File::Lock

Microsoft (R) Program Maintenance Utility   Version 6.00.8168.0
Copyright (C) Microsoft Corp 1988-1998. All rights reserved.

cp Lock.pm blib\lib\File\Lock.pm
AutoSplitting blib\lib\File\Lock.pm (blib\lib\auto\File\Lock)
	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  Lock.xs > Lock.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv Lock.xsc Lock.c
Please specify prototyping behavior for Lock.xs (see perlxs manual)
	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=\"0.9\"  -DXS_VERSION=\"0.9\"  "-IC:\cpanrun\build\5-10-0\lib\CORE"   Lock.c
Lock.c
Lock.xs(64) : warning C4273: '_errno' : inconsistent dll linkage.  dllexport assumed.
Lock.xs(365) : error C2065: 'EWOULDBLOCK' : undeclared identifier
Lock.c(709) : error C2065: 'na' : undeclared identifier
Lock.xs(752) : error C2065: 'sv_undef' : undeclared identifier
Lock.xs(752) : warning C4133: '=' : incompatible types - from 'int *' to 'struct sv *'
Lock.xs(752) : error C2065: 'sv_yes' : undeclared identifier
Lock.xs(752) : warning C4133: '=' : incompatible types - from 'int *' to 'struct sv *'
Lock.xs(871) : warning C4133: '=' : incompatible types - from 'int *' to 'struct sv *'
Lock.xs(871) : warning C4133: '=' : incompatible types - from 'int *' to 'struct sv *'
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.