$ type foo.pl
use IO::File; print $_,$/ for %INC, grep /dll/i,%::;

$ pp -vvv -o foo.exe foo.pl
C:\perl\site\5.12.2\bin/pp: Packing foo.pl
C:\perl\site\5.12.2\bin/pp: Writing PAR on ppykUVY.par
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/MSWin32-x86-multi-thread/IO.pm as lib/IO.pm
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/MSWin32-x86-multi-thread/IO/File.pm as lib/IO/File.pm
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/MSWin32-x86-multi-thread/IO/Handle.pm as lib/IO/Handle.pm
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/MSWin32-x86-multi-thread/auto/IO/IO.dll as lib/auto/IO/IO.dll
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/site/5.12.2/lib/auto/Image/Size/autosplit.ix as lib/auto/Image/Size/autosplit.ix
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/unicore/lib/Blk/Inscript.pl as lib/unicore/lib/Blk/Inscript.pl
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/warnings.pm as lib/warnings.pm
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/warnings/register.pm as lib/warnings/register.pm
C:\perl\site\5.12.2\bin/pp: ... adding <string> as MANIFEST
C:\perl\site\5.12.2\bin/pp: ... adding <string> as META.yml
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/Archive/Tar.pm
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/IO/Dir.pm
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/IO/File.pm
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding C:/perl/5.12.2/lib/MSWin32-x86-multi-thread/auto/IO/IO.dll as lib/auto/IO/IO.dll
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/auto/Image/Size/autosplit.ix
*snip*
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/warnings.pm
C:\perl\site\5.12.2\bin/pp: ... adding <string> as lib/warnings/register.pm
C:\perl\site\5.12.2\bin/pp: ... adding <string> as script/foo.pl
C:\perl\site\5.12.2\bin/pp: ... adding <string> as script/main.pl
C:\perl\site\5.12.2\bin/pp: ... updating MANIFEST
C:\perl\site\5.12.2\bin/pp: ... updating META.yml
C:\perl\site\5.12.2\bin/pp: *** ppykUVY.par: 19865098 bytes read, 6812943 compressed, 65% saved.
C:\perl\site\5.12.2\bin/pp: Generating a fresh 'parl'.
C:\perl\site\5.12.2\bin/pp: Running parluZ4c01A.exe -B -Ofoo.exe ppykUVY.par
Packing "AutoLoader.pm"...
Written as "AutoLoader.pm"
Packing "Carp/Heavy.pm"...
Written as "Carp/Heavy.pm"
Packing "Carp.pm"...
Written as "Carp.pm"
Packing "Compress/Zlib.pm"...
Written as "Compress/Zlib.pm"
Packing "Exporter.pm"...
Written as "Exporter.pm"
Packing "Exporter/Heavy.pm"...
Written as "Exporter/Heavy.pm"
Packing "File/Basename.pm"...
Written as "File/Basename.pm"
Packing "File/Copy.pm"...
Written as "File/Copy.pm"
Packing "File/Find.pm"...
Written as "File/Find.pm"
Packing "File/GlobMapper.pm"...
Written as "File/GlobMapper.pm"
Packing "File/Path.pm"...
Written as "File/Path.pm"
Packing "File/Temp.pm"...
Written as "File/Temp.pm"
Packing "FileHandle.pm"...
Written as "FileHandle.pm"
Packing "IO/Compress/Adapter/Deflate.pm"...
Written as "IO/Compress/Adapter/Deflate.pm"
Packing "IO/Compress/Base.pm"...
Written as "IO/Compress/Base.pm"
Packing "IO/Compress/Base/Common.pm"...
Written as "IO/Compress/Base/Common.pm"
Packing "IO/Compress/Gzip.pm"...
Written as "IO/Compress/Gzip.pm"
Packing "IO/Compress/Gzip/Constants.pm"...
Written as "IO/Compress/Gzip/Constants.pm"
Packing "IO/Compress/RawDeflate.pm"...
Written as "IO/Compress/RawDeflate.pm"
Packing "IO/Compress/Zlib/Extra.pm"...
Written as "IO/Compress/Zlib/Extra.pm"
Packing "IO/Uncompress/Adapter/Inflate.pm"...
Written as "IO/Uncompress/Adapter/Inflate.pm"
Packing "IO/Uncompress/Base.pm"...
Written as "IO/Uncompress/Base.pm"
Packing "IO/Uncompress/Gunzip.pm"...
Written as "IO/Uncompress/Gunzip.pm"
Packing "IO/Uncompress/RawInflate.pm"...
Written as "IO/Uncompress/RawInflate.pm"
Packing "Compress/Raw/Zlib.pm"...
Written as "Compress/Raw/Zlib.pm"
Packing "Config.pm"...
Written as "Config.pm"
Packing "Config_git.pl"...
Written as "Config_git.pl"
Packing "Config_heavy.pl"...
Written as "Config_heavy.pl"
Packing "Cwd.pm"...
Written as "Cwd.pm"
Packing "DynaLoader.pm"...
Written as "DynaLoader.pm"
Packing "Errno.pm"...
Written as "Errno.pm"
Packing "Fcntl.pm"...
Written as "Fcntl.pm"
Packing "File/Glob.pm"...
Written as "File/Glob.pm"
Packing "File/Spec.pm"...
Written as "File/Spec.pm"
Packing "File/Spec/Unix.pm"...
Written as "File/Spec/Unix.pm"
Packing "File/Spec/Win32.pm"...
Written as "File/Spec/Win32.pm"
Packing "IO.pm"...
Written as "IO.pm"
Packing "IO/File.pm"...
Written as "IO/File.pm"
Packing "IO/Handle.pm"...
Written as "IO/Handle.pm"
Packing "IO/Seekable.pm"...
Written as "IO/Seekable.pm"
Packing "List/Util.pm"...
Written as "List/Util.pm"
Packing "PerlIO/scalar.pm"...
Written as "PerlIO/scalar.pm"
Packing "Scalar/Util.pm"...
Written as "Scalar/Util.pm"
Packing "attributes.pm"...
Written as "attributes.pm"
Packing "auto/Compress/Raw/Zlib/autosplit.ix"...
Written as "auto/Compress/Raw/Zlib/autosplit.ix"
Packing "auto/DynaLoader/dl_findfile.al"...
Written as "auto/DynaLoader/dl_findfile.al"
Packing "lib.pm"...
Written as "lib.pm"
Packing "PerlIO.pm"...
Written as "PerlIO.pm"
Packing "SelectSaver.pm"...
Written as "SelectSaver.pm"
Packing "Symbol.pm"...
Written as "Symbol.pm"
Packing "Tie/Hash/NamedCapture.pm"...
Written as "Tie/Hash/NamedCapture.pm"
Packing "Time/Local.pm"...
Written as "Time/Local.pm"
Packing "UNIVERSAL.pm"...
Written as "UNIVERSAL.pm"
Packing "base.pm"...
Written as "base.pm"
Packing "bytes.pm"...
Written as "bytes.pm"
Packing "constant.pm"...
Written as "constant.pm"
Packing "integer.pm"...
Written as "integer.pm"
Packing "overload.pm"...
Written as "overload.pm"
Packing "strict.pm"...
Written as "strict.pm"
Packing "utf8.pm"...
Written as "utf8.pm"
Packing "vars.pm"...
Written as "vars.pm"
Packing "warnings.pm"...
Written as "warnings.pm"
Packing "warnings/register.pm"...
Written as "warnings/register.pm"
Packing "Archive/Zip.pm"...
Written as "Archive/Zip.pm"
Packing "Archive/Zip/Archive.pm"...
Written as "Archive/Zip/Archive.pm"
Packing "Archive/Zip/DirectoryMember.pm"...
Written as "Archive/Zip/DirectoryMember.pm"
Packing "Archive/Zip/FileMember.pm"...
Written as "Archive/Zip/FileMember.pm"
Packing "Archive/Zip/Member.pm"...
Written as "Archive/Zip/Member.pm"
Packing "Archive/Zip/NewFileMember.pm"...
Written as "Archive/Zip/NewFileMember.pm"
Packing "Archive/Zip/StringMember.pm"...
Written as "Archive/Zip/StringMember.pm"
Packing "Archive/Zip/ZipFileMember.pm"...
Written as "Archive/Zip/ZipFileMember.pm"
Packing "Win32.pm"...
Written as "Win32.pm"
Packing "XSLoader.pm"...
Written as "XSLoader.pm"
Packing "PAR.pm"...
Written as "PAR.pm"
Packing "PAR/Dist.pm"...
Written as "PAR/Dist.pm"
Packing "PAR/Filter.pm"...
Written as "PAR/Filter.pm"
Packing "PAR/Heavy.pm"...
Written as "PAR/Heavy.pm"
Packing "PAR/SetupProgname.pm"...
Written as "PAR/SetupProgname.pm"
Packing "PAR/SetupTemp.pm"...
Written as "PAR/SetupTemp.pm"
Packing "PAR/Filter/PatchContent.pm"...
Written as "PAR/Filter/PatchContent.pm"
Packing "PAR/Filter/PodStrip.pm"...
Written as "PAR/Filter/PodStrip.pm"
Packing "*snip*\Temp\par-username\cache-ac5ff4582ea80995787b53023c62051fd999cd35/99f05ebc.dll"...
Written as "auto/Win32/Win32.dll"