Checking if your kit is complete... Looks good Writing Makefile for CDB_File cp bun-x.pl blib\lib\bun-x.pl cp CDB_File.pm blib\lib\CDB_File.pm D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lNMAKE : fatal error U1077: 'cl' : return code '0x2' Stop. xtUtils/xsubpp -typemap D:\cpanrun\build\5-6-1\lib\ExtUtils\typemap -typemap typemap CDB_File.xs > CDB_File.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 CDB_File.xsc CDB_File.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=\"0.95\" -DXS_VERSION=\"0.95\" -ID:\cpanrun\build\5-6-1\lib\CORE CDB_File.c CDB_File.c CDB_File.xs(46) : fatal error C1083: Cannot open include file: 'unistd.h': No such file or directory