C:\perl64\packages\Inline-CPP-0.42>perl -V Summary of my perl5 (revision 5 version 10 subversion 1) configuration: Platform: osname=MSWin32, osvers=5.2, archname=MSWin32-x64-multi-thread ... Characteristics of this binary (from libperl): Compile-time options: MULTIPLICITY PERL_DONT_CREATE_GVSV PERL_IMPLICIT_CONTEXT PERL_IMPLICIT_SYS PERL_MALLOC_WRAP PL_OP_SLAB_ALLOC USE_64_BIT_INT USE_ITHREADS USE_LARGE_FILES USE_PERLIO USE_SITECUSTOMIZE Locally applied patches: ActivePerl Build 1007 [291969] 0abd0d disable non-unicode case insensitive trie matching Built under MSWin32 Compiled at Jan 27 2010 14:12:21 @INC: c:/perl64/site/lib c:/perl64/lib .