ExtUtils::Mksymlists::Mksymlists('lib\Algorithm\SkipList\Node') Generating script 'lib\Algorithm\SkipList\Node.lds' link @"lib\Algorithm\SkipList\Node.lds" -out:"blib\arch\auto\Algorithm\SkipList\ Node\Node.dll" lib\Algorithm\SkipList\Node.obj : warning LNK4042: object specified more than on ce; extras ignored lib\Algorithm\SkipList\Node.obj : warning LNK4042: object specified more than on ce; extras ignored Node.def : error LNK2001: unresolved external symbol boot_Algorithm__SkipList Node.def : error LNK2001: unresolved external symbol boot_Algorithm__SkipList blib\arch\auto\Algorithm\SkipList\Node\Node.lib : fatal error LNK1120: 2 unresol ved externals LINK : fatal error LNK1141: failure during build of exports file