cp MsgHdr.pm blib\lib\Socket\MsgHdr.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. cpanrun\build\5-6-1\lib\ExtUtils\typemap MsgHdr.xs > MsgHdr.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 MsgHdr.xsc MsgHdr.c cl -c -I. -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=\"0.01\" -DXS_VERSION=\"0.01\" -ID:\cpanrun\build\5-6-1\lib\CORE MsgHdr.c MsgHdr.c MsgHdr.xs(20) : error C2079: 'm' uses undefined struct 'msghdr' MsgHdr.xs(21) : error C2079: 'io' uses undefined struct 'iovec' MsgHdr.xs(38) : error C2224: left of '.msg_iov' must have struct/union type MsgHdr.xs(39) : error C2224: left of '.msg_iovlen' must have struct/union type MsgHdr.xs(42) : error C2224: left of '.msg_name' must have struct/union type MsgHdr.xs(43) : error C2224: left of '.msg_namelen' must have struct/union type MsgHdr.xs(47) : error C2224: left of '.iov_base' must have struct/union type MsgHdr.xs(48) : error C2224: left of '.iov_len' must have struct/union type MsgHdr.xs(52) : error C2224: left of '.msg_control' must have struct/union type MsgHdr.xs(53) : error C2224: left of '.msg_controllen' must have struct/union type MsgHdr.xs(57) : error C2224: left of '.msg_flags' must have struct/union type MsgHdr.xs(85) : error C2037: left of 'cmsg_len' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(86) : error C2037: left of 'cmsg_level' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(87) : error C2037: left of 'cmsg_type' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(98) : error C2079: 'dummy' uses undefined struct 'msghdr' MsgHdr.xs(102) : error C2224: left of '.msg_control' must have struct/union type MsgHdr.xs(103) : error C2224: left of '.msg_controllen' must have struct/union type MsgHdr.xs(108) : warning C4047: '=' : 'struct cmsghdr *' differs in levels of indirection from 'int ' MsgHdr.xs(109) : warning C4047: '=' : 'struct cmsghdr *' differs in levels of indirection from 'int ' MsgHdr.xs(110) : error C2037: left of 'cmsg_level' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(110) : error C2198: 'Perl_newSViv' : too few actual parameters MsgHdr.xs(111) : error C2037: left of 'cmsg_type' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(111) : error C2198: 'Perl_newSViv' : too few actual parameters MsgHdr.xs(113) : warning C4047: 'function' : 'const char *' differs in levels of indirection from 'int ' MsgHdr.xs(113) : warning C4024: 'Perl_newSVpvn' : different types for formal and actual parameter 2 MsgHdr.xs(113) : error C2037: left of 'cmsg_len' specifies undefined struct/union 'cmsghdr' MsgHdr.xs(113) : error C2198: 'Perl_newSVpvn' : too few actual parameters MsgHdr.xs(151) : error C2224: left of '.msg_namelen' must have struct/union type MsgHdr.xs(155) : error C2224: left of '.msg_controllen' must have struct/union type