C:\> perl -e"package Foo; use base qw! DynaLoader !; bootstrap Foo;" Can't locate loadable object for module Foo in @INC (@INC contains: C:/perl/5.10.1/lib/MSWin32-x86-multi-thread C:/perl/5.10.1/lib C:/perl/site/5.10.1/lib/MSWin32-x86-multi-thread C:/perl/site/5.10.1/lib .) at C:/perl/5.10.1/lib/MSWin32-x86-multi-thread/DynaLoader.pm line 103 DynaLoader::croak('Can\'t locate loadable object for module Foo in @INC (@INC co...') called at C:/perl/5.10.1/lib/MSWin32-x86-multi-thread/DynaLoader.pm line 170 DynaLoader::bootstrap('Foo') called at -e line 1