I've spent about 9 hours fiddling with CPAN and Debian's dependency 'feature' to get 5.8.0 installed from CPAN and totally removed all of Debian's Perl packages and replacing those with dummy ones. It's all worked out so far. Even got Apache+mod_perl recompiled and sort of working. I needed to install Apache::Request and am getting the following errors: 
gcc -c  -I../c -I/usr/local/lib/perl5/site_perl/5.8.0/i586-linux-threa
+d-multi/auto/Apache/include -I/usr/local/lib/perl5/site_perl/5.8.0/i5
+86-linux-thread-multi/auto/Apache/include/modules/perl -I/usr/local/l
+ib/perl5/site_perl/5.8.0/i586-linux-thread-multi/auto/Apache/include/
+include -I/usr/local/lib/perl5/site_perl/5.8.0/i586-linux-thread-mult
+i/auto/Apache/include/regex -I/usr/local/lib/perl5/site_perl/5.8.0/i5
+86-linux-thread-multi/auto/Apache/include/os/unix -march=pentium-mmx 
+-mcpu=pentium-mmx -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -O3   -D
+VERSION=\"1.0\" -DXS_VERSION=\"1.0\" -fpic "-I/usr/local/lib/perl5/5.
+8.0/i586-linux-thread-multi/CORE"   Request.c
In file included from /usr/local/lib/perl5/5.8.0/i586-linux-thread-mul
+ti/CORE/op.h:480,
                 from /usr/local/lib/perl5/5.8.0/i586-linux-thread-mul
+ti/CORE/perl.h:2209,
                 from /usr/local/lib/perl5/site_perl/5.8.0/i586-linux-
+thread-multi/auto/Apache/include/modules/perl/mod_perl.h:83,
                 from Request.xs:40:
/usr/local/lib/perl5/5.8.0/i586-linux-thread-multi/CORE/reentr.h:602: 
+field `_crypt_struct' has incomplete typemake[1]: *** [Request.o] Err
+or 1
make[1]: Leaving directory `/root/.cpan/build/libapreq-1.0/Request'
make: *** [subdirs] Error 2
  /usr/bin/make  -- NOT OK

[download]
Another little problem is with POE::Component::IRC, which prior to the upgrade was working fine. 
Argument ",----- SELECT BITS IN -----\n" isn't numeric in array elemen
+t at /usr/local/lib/perl5/site_perl/5.8.0/POE/Kernel.pm line 1797.
Argument ",----- SELECT BITS IN -----\n" isn't numeric in array elemen
+t at macro substrate_do_timeslice (defined in /usr/local/lib/perl5/si
+te_perl/5.8.0/POE/Kernel/Select.pm at line 211) invoked from /usr/loc
+al/lib/perl5/site_perl/5.8.0/POE/Kernel.pm line 1429.
Argument ",----- SELECT BITS IN -----\n" isn't numeric in array elemen
+t at macro substrate_main_loop (defined in /usr/local/lib/perl5/site_
+perl/5.8.0/POE/Kernel/Select.pm at line 412) invoked from /usr/local/
+lib/perl5/site_perl/5.8.0/POE/Kernel.pm line 1429.

[download]
Thanks.

In reply to 5.8.0 Module Problems by rendler

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.