CPAN: quick help with user-space install needed

isync has asked for the wisdom of the Perl Monks concerning the following question:

I've got a shared-hosting account where I configured my CPAN to do all sorts of installs into a ~/perlmods dir so I can install modules without root rights: Still there seems to be one step which I haven't modified to go into my relative dir... (or is this one hardcoded in the mod?)

Running Build install
Prepending /home/isync/.cpan/build/KinoSearch-0.30_122-jGNB5K/blib/arc
+h /home/isync/.cpan/build/KinoSearch-0.30_122-jGNB5K/blib/lib to PERL
+5LIB for 'install'
Building KinoSearch
Files found in blib/arch: installing files in blib/lib into architectu
+re dependent library tree
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!!
ERROR: Can't create '/usr/local/lib/perl/5.10.0'
mkdir /usr/local/lib/perl: Permission denied at /usr/share/perl/5.10/E
+xtUtils/Install.pm line 479

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!!
 at /home/isync/perlmods/share/perl/5.10/Module/Build/Base.pm line 333
+4
  CREAMYG/KinoSearch-0.30_122.tar.gz
  ./Build install  -- NOT OK
[download]

my CPAN/MyConfig.pm:

$CPAN::Config = {
  'auto_commit' => q[1],
  'build_cache' => q[100],
  'build_dir' => q[/home/isync/.cpan/build],
  'cache_metadata' => q[1],
  'commandnumber_in_prompt' => q[1],
  'cpan_home' => q[/home/isync/.cpan],
  'ftp_passive' => q[1],
  'ftp_proxy' => q[],
  'http_proxy' => q[],
  'inactivity_timeout' => q[0],
  'index_expire' => q[1],
  'inhibit_startup_message' => q[0],
  'keep_source_where' => q[/home/isync/.cpan/sources],
  'make_arg' => q[],
  'make_install_arg' => q[],
  'make_install_make_command' => q[/usr/bin/make],
  'makepl_arg' => q[PREFIX=~/perlmods],
  'mbuild_arg' => q[],
  'mbuild_install_arg' => q[],
  'mbuild_install_build_command' => q[./Build],
  'mbuildpl_arg' => q[PREFIX=~/perlmods],
  'no_proxy' => q[],
  'prerequisites_policy' => q[follow],
  'scan_cache' => q[atstart],
  'show_upload_date' => q[0],
  'term_ornaments' => q[1],
  'urllist' => [q[ftp://cpan.erlbaum.net/CPAN/], q[ftp://cpan.mirrors.
+tds.net/pub/CPAN], q[ftp://ftp.ndlug.nd.edu/pub/perl/]],
  'use_sqlite' => q[0],
};
1;
__END_
[download]

So, which step of CPAN triggers this "ERROR: Can't create '/usr/local/lib/perl/5.10.0'" - so I can tell it to go into ~/perlmods?

As I understand it, I've managed to tell the make process behind CPAN which is triggered by ExtUtils::MakeMaker to use a custom PERL_LIB var, but not that it should also override the PERL_ARCHLIB var, right? How can I do this?

Comment on CPAN: quick help with user-space install needed Select or Download Code

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Re: CPAN: quick help with user-space install needed by moritz (Cardinal) on Oct 11, 2010 at 11:43 UTC
I don't know which magicl knob you have to turn to make it work - it never worked for me when I tried it on my own. But luckily local::lib can do the magical knob turning for you - with it local modulation installation has always worked for me. Perl 6 - links to (nearly) everything that is Perl 6.	[reply]
Re^2: CPAN: quick help with user-space install needed by isync (Hermit) on Oct 11, 2010 at 12:00 UTC
As I see it "local::lib" is what you use when you run a script relying on modules in another location. My problem arises while installing a module in a path differing from the standard locations. (The error here is that CPAN is trying to write a part of the module's files into the standard path, a path I have no rights to write to...)	[reply]
Re^3: CPAN: quick help with user-space install needed by moritz (Cardinal) on Oct 11, 2010 at 12:03 UTC
local::lib does influence the installing process of modules (hey, even the synopsis shows its usage together with CPAN.pm!). And as I said before, it worked for me (both for the installing and using modules).	[reply]
Re^4: CPAN: quick help with user-space install needed by isync (Hermit) on Oct 11, 2010 at 12:33 UTC
Re: CPAN: quick help with user-space install needed by isync (Hermit) on Oct 11, 2010 at 13:11 UTC
Installing with App::cpanminus to /home/isync/perl5 (cpanm's automagic/default dir) did the trick.	[reply]
Re: CPAN: quick help with user-space install needed by FunkyMonk (Bishop) on Oct 11, 2010 at 14:56 UTC
You should find Yes, even you can use CPAN helpful.	[reply]
Re: CPAN: quick help with user-space install needed by locked_user sundialsvc4 (Abbot) on Oct 11, 2010 at 14:36 UTC
I’m quite sure that the information is also on this site (many times over...) but I did a quick Google on `perl non-root` or `CPAN non-root` and there are many descriptions of how this magick is done.
Re: CPAN: quick help with user-space install needed by Anonymous Monk on Oct 11, 2010 at 13:04 UTC
Check the CPAN configuration. There are variables (“such as `PREFIX`,” he said with the suddenly-vague expression of someone who’s had only one cup of coffee...) which influence exactly how and where CPAN tries to put things. I have always used absolute addresses here. In other words, figure out what "~" corresponds to (it doesn’t change...), and specify the directory explicitly. “Okay, that’s it ... time for coffee,” he mumbled...	[reply]
Re^2: CPAN: quick help with user-space install needed by isync (Hermit) on Oct 11, 2010 at 13:13 UTC
To be sure, I already tried abs paths, still no success. But using my current (incomplete?) prefix setup above, I was able to install cpanminus, and it placed the _libarch stuff and everything else clevery beneath the ~/perl5 path.	[reply]