[Chicago-talk] Re: Stealth Perl Install and then the old swap-a-roo?

[jason gessner]

sweet, that's right, perl is in /usr/ not /usr/local on RH7.2

bye bye symlink, I am make installing.  :)

-jason

On Nov 14, 2003, at 11:10 AM, Ed Summers wrote:

>
>> Want:
>> replace perl 5.6.1 on my redhat 7.2 box with 5.8.2
>>
>> Proposed steps
>> 1)  build 5.8.2 in a local director (/home/jason/perl5.8.2
>> 2)  test it
>> 3)  use that perl to install all of the modules I need
>> 4)  remove all RPMs that rely on perl
>> 5)  move this perl into place on top of the other perl
>
> I'm not sure you can do 3 without having performed 'make install'. It's
> worth a try though. I believe that 5.8.2 by default goes into 
> /usr/local, and
> that rh7.2 comes with Perl in /usr/bin. So you might be able to get 
> away with
> building, installing Perl, and grabbing the CPAN modules you 
> need...and then
> removing the old /usr/bin/perl and symlinking /usr/bin/perl to
> /usr/local/bin/perl.
>
> Alternatively (if Perl is already in /usr/local/bin/perl) you could 
> install
> Perl into a custom directory, /usr/local/perl5.8.2 perhaps, and then 
> create
> symlinks for the executables that come with Perl.
>
> Note: a handy trick for getting all the CPAN modules you need. Using 
> the old
> Perl do this:
>
>     perl -MCPAN -e 'autobundle'
>
> This will create a listing of all your CPAN modules + their version 
> numbers
> in ~/.cpan/Bundle/Snapshot_2003_11_14_00.pm. Or with anotother 
> suitable date.
>
> When you've got your new Perl build you can then:
>
>     perl -MCPAN -e 'install Bundle::Snapshot_2003_11_14_00'
>
> This will go out to CPAN and download all you need, kind of like 
> aptget on
> acid :) I have no idea how to make your RPM database happy afterwards 
> though.
>
> //Ed
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