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Re: Installing SubVersion on HP-UX

From: Matthew Sanderson <matthew_at_formtrap.com>
Date: 2005-11-03 07:42:11 CET

On Wed, 2 Nov 2005, Tony Butt wrote:

> wolf wolf wrote:
>
> > I wish to install SubVersion on HP-UX 10.20 and 11.11.
> > I understand a compilation script has beenwritten for this purpose
> > I would appreciate it a lot if this script will be made available,
> > either by sending it to me by E-mail or preferably posting on
> > the Web(with binaries?), Has anyone tried this on HP-UX 10.20?
> > is the script excpected to work for this old version as well.
> >
> > thanx in advance,
> >
> > shalom
>
> I would be surprised if it did build on HP-UX 10.20, unless you bought
> the pthread libraries from HP.
> HP-UX 10.20 comes with NO thread support out of the box, which makes
> many modern application ports a problem.
>
> Tony Butt
> CEA Technologies
>

Yeah, well, I was surprised when it did build on HP-UX 10.20 :-) Some of
the tests failed, but since we now have a snazzy HP-UX 11 box, we don't
care enough about 10.20 any more to investigate why and fix it. It did
successfully check out a couple of medium-size projects a couple of times
before we stopped using it, for what little that's worth. I can see that
with some effort it could probably be fixed.

I just powered up our poor old HP9000/712 HP-UX 10.20 box. It has a port
of GNU pth installed (which is sufficient for some applications' threading
needs btw), but it looks like SVN is using neither that, nor any other
threading libraries, because the command:
# /usr/contrib/bin/odump -sllibload `which svn` | fgrep -i thr
produces no output. I don't see anything on this computer that looks
like a proper libpthread, from HP or anywhere else. And on this box, SVN
was compiled with a single-threaded GCC 4.0.1. So I suppose SVN isn't one
of those modern applications that absolutely require multithreading
support.

Attached are some slightly-ugly (not wholly my fault :P) build scripts for
HPUX 10.20 and 11i v1. There's nothing especially difficult. So far I know
of the following issues:

1. I think HPUX 11i v2 has a kernel random device (11i v1 doesn't), which
OpenSSL should be configured to use. This might mean that you don't need
the "Entropy Gathering Daemon" EGD, in which case the '--with-egd' in the
attached script should be removed. 10.20 also has no /dev/*rand* so
does require EGD and therefore also --with-egd.

2. There's a bug in version 0.24.7 of the Neon library that's bundled with
Subversion, which causes it to fail all DNS name lookups when compiled
64-bit under HPUX 11. I reported this bug on both the Subversion and Neon
mailing lists - see their mailing list archives for the fix. Neon 0.25.3
contains the fix (s/long/inaddr_t/ from memory), but Subversion 1.2.3
still includes neon 0.24.7. So I guess the easiest thing would be to build
and install neon >= 0.25.3 seperately, then configure SVN with
'--with-neon='. Since 10.20 is 32-bit only, this issue doesn't affect it.

3. I'm told that PA 2.0s run 32-bit faster than 64-bit, so if you're
targeting PA 2.0 maybe you should compile SVN 32-bit not 64-bit. I only
did it 64-bit to see if it worked or not :-) If you're using an Itanium
then I have no clue and no advice, sorry. Obviously for the 32-bit-only
HP-UX 10.20 this issue also doesn't arise.

4. The 10.20 script uses the APR/APU libs included with SVN, whereas the
11.11 one looks for existing ones under /usr/local, because our 11.11 box
has an instance of Apache installed. That almost certainly will need to be
changed to suit your local configuration.

HTH,

--matt

Matthew Sanderson
Senior Programmer (UNIX)
TCG Information Systems Pty Ltd
Sydney, Australia
matthew@formtrap.com
http://www.formtrap.com/
+61 (02) 8303 2407

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Received on Thu Nov 3 07:44:24 2005

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