[Chicago-talk] Getting compile options from old perl install
& other admin questions
Scott T. Hildreth
shild at sbcglobal.net
Sat Oct 16 22:23:57 CDT 2004
Yes, and I have /usr/local/bin/perl point to /usr/local/perl/bin/perl
as well, since I've had everyone put '#!/usr/local/bin/perl' in their
code (prior to the new schema). We leave /usr/bin/perl as is, since
this is the vendor perl.
On Sat, 2004-10-16 at 15:31, Jay Strauss wrote:
> So then you stick /usr/local/perl/bin in your PATH?
> Scott T. Hildreth wrote:
> > The auto-config is pretty good now. I like to put a new version
> > of Perl in a dir, '/usr/local/perl-5.8.5', then I have a script
> > which configs CPAN and installs all the modules that I need/want.
> > I run some tests, if the new Perl install is working okay, I have
> > a symlink /usr/local/perl which points to the version I want to use.
> > If something is wrong I can always point /usr/local/perl back to the
> > older install. This works really well, for me at least, at work. I
> > can have the other developers test production code in without affecting
> > production. As far as compiling, I let Perl config,
> > sh Configure -de -Dprefix=/usr/local/perl-5.8.x
> > ..not that you care how I install Perl, just thought I would share. :-)
> > On Sat, 2004-10-16 at 09:15, Jay Strauss wrote:
> >>I want to install 5.8.5 on my system.
> >>- How do I extract the compile options from my system version, to use
> >>when I build from source? I don't know if perl -V tells me everything
> >>- How do I make it so that after this install, then when I have to
> >>install the next version, I don't have to reinstall every module from
> >>CPAN? Since the perl path is, after installing 5.8.5 is:
> >> > /usr/local/lib/perl5/5.8.5/i686-linux
> >> > /usr/local/lib/perl5/5.8.5
> >> > /usr/local/lib/perl5/site_perl/5.8.5/i686-linux
> >> > /usr/local/lib/perl5/site_perl/5.8.5
> >> > /usr/local/lib/perl5/site_perl
> > I'm pretty sure that perl will include other 5.* in the
> > /usr/local/lib/perl5/site/ dir.
> >>ie everything has 5.8.5 in the path, when I install 5.8.x it will not
> >>find all the packages I've download from CPAN
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