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Question

Can't install Crypt::OpenPGP through Perl CPAN

Answer 1

+3 A:

It's a bug in Crypt::RIPEMD160, which doesn't work properly on 64-bit systems, as detailed in RT#53323 and RT#19138. You can install the distroprefs file linked from RT#19138 and then use CPAN to reinstall Crypt::RIPEMD160, and Crypt::OpenPGP should install and work without problems.

hobbs 2010-08-03 23:39:12

Ah ok, thanks. How do I install a distroprefs file? Sorry, I've never used CPAN before...

Valorin 2010-08-03 23:55:03

Download it and put it into your `prefs_dir` (usually ~/.cpan/prefs, but you can make sure by writing `o conf prefs_dir` at the CPAN shell)

hobbs 2010-08-03 23:58:09

Sorry to be really annoying, but I can't work out how to actually make this work. When I type "o conf prefs_dir" I get UNDEFINED, and I've tried "o conf prefs_dir /root/.cpan/prefs", but it doesn't appear to do anything. Also, how do I reinstall Crypt::RIPEMD160, I can't find a remove/reinstall option...

Valorin 2010-08-04 00:21:57

distroprefs need a newer version of CPAN.pm than was in 5.8.8; you could upgrade it or see my answer

ysth 2010-08-04 00:47:47

Count on RedHat to be 5 years out of date when it comes to Perl bits ;)

hobbs 2010-08-04 08:18:09

Answer 2

+2 A:

To fix Crypt::RIPEMD160 by doing what the distroprefs file someone else suggested would have done:

cpan
look Crypt::RIPEMD160
curl -sL http://search.cpan.org/CPAN/authors/id/A/AN/ANDK/patches/Crypt-RIPEMD160-0.04-Andrew_Ruthven-01.patch.gz | zcat | patch -p0
perl Makefile.PL
make all test install

ysth 2010-08-04 00:51:29

Thanks for that, although I've still got failing tests. Crypt::OpenPGP fails the same as above, and Crypt::RIPEMD160 has a couple of "not ok" tests. I'll post output above. Any other ideas?

Valorin 2010-08-04 01:08:50

@Valorin: I think from your posted output that CPAN is blowing away the directory with the patched source and starting fresh, something that newer CPANs don't do (even when you want them too, grr). Try doing the look command, applying the patch, and (still in the look shell) doing `make all test`?

ysth 2010-08-04 01:28:45

@Valorin: or it might be easier to update CPAN and use the distroprefs.

ysth 2010-08-04 01:29:23

Bingo, the 'make all test' thing produces a full list of 'ok' results.

Valorin 2010-08-04 01:41:43

@Valorin: I should have mentioned make install, too, but maybe you figured that out :)

ysth 2010-08-04 02:47:39

I was about to try and guess it :) It all appears to be working now, with no problems in the tests. Thank you!

Valorin 2010-08-04 02:54:40

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Can't install Crypt::OpenPGP through Perl CPAN

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