Checking if your kit is complete... Looks good Writing Makefile for Sys::Load cp Load.pm blib\lib\Sys\Load.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib D:\NMAKE : fatal error U1077: 'link' : return code '0x460' Stop. ld\5-6-1\lib\ExtUtils\typemap Load.xs > Load.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 Load.xsc Load.c cl -c -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=\"0.2\" -DXS_VERSION=\"0.2\" -ID:\cpanrun\build\5-6-1\lib\CORE Load.c Load.c "Running Mkbootstrap for Sys::Load ()" 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 chmod 644 Load.bs D:\cpanrun\build\5-6-1\bin\perl.exe "-Id:\cpanrun\build\5-6-1\lib" "-Id:\cpanrun\build\5-6-1\lib" -MExtUtils::Mksymlists -e "Mksymlists('NAME' => 'Sys::Load', 'DLBASE' => 'Load', 'DL_FUNCS' => { }, 'FUNCLIST' => [], 'IMPORTS' => { }, 'DL_VARS' => []);" link -out:blib\arch\auto\Sys\Load\Load.dll -dll -nologo -nodefaultlib -debug -opt:ref,icf -libpath:"d:\cpanrun\build\5-6-1\lib\CORE" -machine:x86 Load.obj D:\cpanrun\build\5-6-1\lib\CORE\perl56.lib oldnames.lib kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib netapi32.lib uuid.lib wsock32.lib mpr.lib winmm.lib version.lib odbc32.lib odbccp32.lib msvcrt.lib -def:Load.def Creating library blib\arch\auto\Sys\Load\Load.lib and object blib\arch\auto\Sys\Load\Load.exp Load.obj : error LNK2001: unresolved external symbol _getloadavg blib\arch\auto\Sys\Load\Load.dll : fatal error LNK1120: 1 unresolved externals