Checking if your kit is complete... Looks good Writing Makefile for fields::aliased Microsoft (R) Program Maintenance Utility Version 6.00.8168.0 Copyright (C) Microsoft Corp 1988-1998. All rights reserved. Math::BigInt: couldn't load specified math lib(s), fallback to Math::BigInt::FastCalc at C:/cpanrun/build/5-10-0/site/lib/Win32API/File.pm line 20 cp lib/fields/aliased.pm blib\lib\fields\aliased.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 aliased.xs > aliased.xsc && C:\cpanrun\build\5-10-0\bin\perl.exe -MExtUtils::Command -e mv aliased.xsc aliased.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=\"1.05\" -DXS_VERSION=\"1.05\" "-IC:\cpanrun\build\5-10-0\lib\CORE" aliased.c aliased.c aliased.xs(146) : error C2143: syntax error : missing ')' before '(' aliased.xs(146) : error C2143: syntax error : missing ')' before '(' aliased.xs(146) : error C2091: function returns function aliased.xs(146) : error C2091: function returns function aliased.xs(146) : error C2061: syntax error : identifier 'Perl_get_context' aliased.xs(146) : error C2059: syntax error : ';' aliased.xs(146) : error C2059: syntax error : ')' aliased.xs(205) : warning C4133: 'function' : incompatible types - from 'struct interpreter *' to 'unsigned long *' aliased.xs(205) : warning C4020: 'Perl_find_runcv' : too many actual parameters NMAKE : fatal error U1077: 'cl' : return code '0x2' Stop.