I was trying to install my own Perl on my shared web host, so I set `PREFIX= ~/usr` when building Perl. However, that process didn't really work very well, so I decided to install Perl using `perlbrew`. I now have Perl 5.16.2 installed, but for some reason the $PREFIX value is still remembered and causes problems. For example, `cpanminus` complains with

Only one of PREFIX or INSTALL_BASE can be given. Not both. MIYAGAWA/App-cpanminus-1.5018.tar.gz /home/punkish/perl5/perlbrew/perls/perl-5.16.2/bin/perl Makefile.PL +PREFIX=~/home/punkish/perl -- NOT OK

How do I unset the PREFIX value forever?

I have tried reconfiguring CPAN itself, but I don't know how to set all instances of PREFIX use to essentially whatever the default may be so cpanminus doesn't croak.



when small people start casting long shadows, it is time to go to bed

In reply to unsetting the PREFIX setting by punkish

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.