Up/Downgrade not needed.
Checking if your kit is complete...
Looks good
Writing Makefile for IO::Compress::Zlib
cp lib/IO/Uncompress/RawInflate.pm blib/lib/IO/Uncompress/RawInflate.pm
cp lib/IO/Uncompress/Inflate.pm blib/lib/IO/Uncompress/Inflate.pm
cp lib/IO/Compress/Deflate.pm blib/lib/IO/Compress/Deflate.pm
cp lib/IO/Compress/Adapter/Deflate.pm blib/lib/IO/Compress/Adapter/Deflate.pm
cp lib/IO/Compress/Zip.pm blib/lib/IO/Compress/Zip.pm
cp lib/IO/Uncompress/Adapter/Identity.pm blib/lib/IO/Uncompress/Adapter/Identity.pm
cp lib/IO/Compress/Gzip/Constants.pm blib/lib/IO/Compress/Gzip/Constants.pm
cp lib/IO/Compress/Zlib/Extra.pm blib/lib/IO/Compress/Zlib/Extra.pm
cp lib/IO/Compress/Zip/Constants.pm blib/lib/IO/Compress/Zip/Constants.pm
cp lib/IO/Compress/Zlib/Constants.pm blib/lib/IO/Compress/Zlib/Constants.pm
cp lib/IO/Compress/Adapter/Identity.pm blib/lib/IO/Compress/Adapter/Identity.pm
cp lib/IO/Uncompress/Adapter/Inflate.pm blib/lib/IO/Uncompress/Adapter/Inflate.pm
cp lib/IO/Uncompress/Unzip.pm blib/lib/IO/Uncompress/Unzip.pm
cp lib/IO/Uncompress/Gunzip.pm blib/lib/IO/Uncompress/Gunzip.pm
cp lib/IO/Compress/RawDeflate.pm blib/lib/IO/Compress/RawDeflate.pm
cp lib/IO/Uncompress/AnyInflate.pm blib/lib/IO/Uncompress/AnyInflate.pm
cp lib/IO/Compress/Gzip.pm blib/lib/IO/Compress/Gzip.pm
/bin/perl.exe "-MExtUtils::Command::MM" "-e" "test_harness(0, 'blib/lib', 'blib/arch')" t/*.t
t/000prereq.....................ok
t/001zlib-generic-deflate.......ok
t/001zlib-generic-gzip..........ok
t/001zlib-generic-rawdeflate....ok
t/001zlib-generic-zip...........ok
t/002any-deflate................ok
t/002any-gzip...................ok
t/002any-rawdeflate.............ok
t/002any-transparent............ok
t/002any-zip....................ok
t/004gziphdr....................ok
t/005defhdr.....................ok
t/010examples...................ok
t/020isize......................skipped
        all skipped: Lengthy Tests Disabled
t/050interop-gzip...............ok
t/100generic-deflate............ok
t/100generic-gzip...............ok
t/100generic-rawdeflate.........ok
t/100generic-zip................ok
t/101truncate-deflate...........ok
t/101truncate-gzip..............ok
t/101truncate-rawdeflate........ok
t/101truncate-zip...............ok
t/102tied-deflate...............ok
t/102tied-gzip..................ok
t/102tied-rawdeflate............ok
t/102tied-zip...................ok
t/103newtied-deflate............ok
t/103newtied-gzip...............ok
t/103newtied-rawdeflate.........ok
t/103newtied-zip................ok
t/104destroy-deflate............ok
t/104destroy-gzip...............ok
t/104destroy-rawdeflate.........ok
t/104destroy-zip................ok
t/105oneshot-deflate............ok
t/105oneshot-gzip-only..........ok
t/105oneshot-gzip...............ok
t/105oneshot-rawdeflate.........ok
t/105oneshot-zip-bzip2-only.....ok
t/105oneshot-zip-only...........ok
t/105oneshot-zip................ok
t/106prime-deflate..............ok
t/106prime-gzip.................ok
t/106prime-rawdeflate...........ok
t/106prime-zip..................ok
t/107multi-deflate..............ok
t/107multi-gzip.................ok
t/107multi-rawdeflate...........ok
t/107multi-zip..................ok
t/108anyunc-deflate.............ok
t/108anyunc-gzip................ok
t/108anyunc-rawdeflate..........ok
t/108anyunc-transparent.........ok
t/108anyunc-zip.................ok
t/109merge-deflate..............ok
t/109merge-gzip.................ok
t/109merge-rawdeflate...........ok
t/109merge-zip..................skipped
        all skipped: not implemented yet
t/110encode-deflate.............ok
t/110encode-gzip................ok
t/110encode-rawdeflate..........ok
t/110encode-zip.................ok
t/999pod........................ok
All tests successful, 2 tests skipped.
Files=64, Tests=38788, 167 wallclock secs (57.83 cusr + 71.83 csys = 129.65 CPU)
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Deflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Gzip.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/RawDeflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Zip.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Adapter/Deflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Adapter/Identity.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Gzip/Constants.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Zip/Constants.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Zlib/Constants.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Compress/Zlib/Extra.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/AnyInflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/Gunzip.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/Inflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/RawInflate.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/Unzip.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/Adapter/Identity.pm
Installing /usr/lib/perl5/vendor_perl/5.8/IO/Uncompress/Adapter/Inflate.pm
Writing /usr/lib/perl5/vendor_perl/5.8/msys/auto/IO/Compress/Zlib/.packlist
Appending installation info to /usr/lib/perl5/5.8/msys/perllocal.pod
