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Newsgroups: comp.lang.perl.misc
Subject: Re: IO::Socket::INET hostname restrictions?
References: <4edae754$3$fuzhry+tra$mr2ice@news.patriot.net> <dfGdndQWk9hVEULTnZ2dnUVZ7rqdnZ2d@bt.com> <1ua5r8-ac2.ln1@anubis.morrow.me.uk> <4ee02c8d$2$fuzhry+tra$mr2ice@news.patriot.net>
From: Ben Morrow <b...@morrow.me.uk>
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Date: Thu, 8 Dec 2011 21:58:58 +0000
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Quoth Shmuel (Seymour J.) Metz <spamt...@library.lspace.org.invalid>:
> In <1ua5r8-ac2....@anubis.morrow.me.uk>, on 12/07/2011
>    at 11:54 PM, Ben Morrow <b...@morrow.me.uk> said:
> 
> >apply the patch,
> 
> What's the command, and are there any environment variables I should
> set?

Save that message (the whole message or just the patch portion, it
doesn't matter) to a file. Untar IO-1.25.tar.gz, change directory to
IO-1.25, and run 

    patch -p1 < saved-patch-file
    perl Makefile.PL
    make test
    perl -Mblib -MIO::Socket::INET -e"IO::Socket::INET->new(
        PeerAddr => 'whois.nic.mn', PeerPort => 43,
        Timeout => 5) or die $@"

You need whatever environment variables set you need to run perl and
gcc, but nothing else. 'make test' should return quite a lot of output
followed by

    All tests successful.
    Files=17, Tests=180, <some more details>
    Result: PASS

The last command should be all on one line, and should return

    IO::Socket::INET: connect: Connection refused at -e line 1.

rather than the

    IO::Socket::INET: connect: Invalid argument at -e line 1.

you get if you omit the '-Mblib'.

Ben