Re: [Barry-devel] cant compile barry(git) on gentoo

[Marc R. O'C. <mro...@oe...>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Chris Frey wrote:
> On Wed, Feb 25, 2009 at 11:44:33PM -0600, Nils wrote:
>> 9999 ebuild are live ebuilds, as in they follow whatever source control
>> system you need them too
> 
> Ahh, that makes sense.
> 
> 
>> the ebuild is online at  http://bugs.gentoo.org/show_bug.cgi?id=215399
> 
> I forgot about that... whenever I try to find gentoo stuff, I go rummaging
> around in gentoo-portage.com, and find out of date stuff. :-)
> 
> 
>>>  Applying barry-9999-gcc43.patch ...  ok
>> It adds  various includes to a few files, i just compiled without errors
>> without this patch
> 
> Excellent!
> 
> 
>>>  Applying barry-9999-tarfile-int.patch ...  ok
>>>
>>> If this is the patch I think it is, it is a bug in Gentoo's version of
>>> libtar
>>> and is well documented on this list.  It shouldn't affect your build, but
>>> if you care about Gentoo being accurate, you might want to submit a bug
>>> report.  I'm happy to provide additional details if you need them.
>>
>> This fixes errors in tarfile-opts-nt.cc:
>>    tarfile-ops-nt.cc:108: error: invalid conversion from ?int (*)(int)? to
>> ?int (*)(long int)?
>>    tarfile-ops-nt.cc:108: error: invalid conversion from ?ssize_t (*)(int,
>> void*, size_t)? to ?ssize_t (*)(long int, void*, size_t)?
>>    tarfile-ops-nt.cc:108: error: invalid conversion from ?ssize_t (*)(int,
>> const void*, size_t)? to ?ssize_t (*)(long int, const void*, size_t)?
>>
>> Additional details would be great on this.
> 
> The documentation explanation is under the heading "The Case of the Broken
> Libtar" on this page:
> 
> 	http://www.netdirect.ca/software/packages/barry/dependencies.php
> 
> In summary, there was a patch by someone who tried to fix 64-bit compile
> issues in the libtar example by changing the prototypes of the
> open/read/write functions from int to long, instead of fixing the example
> itself.  This patch escaped the source and infected a few distributions before
> slowly getting fixed.  :-)
> 
> Debian fixes the libtar example with a hack, which is ok, since it's just
> an example:
> 
> 	http://patch-tracking.debian.net/patch/misc/view/libtar/1.2.11-4/libtar/libtar.c
> 
> Barry handles 64bit systems by coding around the problem rather verbosely,
> as you can see in the tarfile* files in the GUI source.
> 
> On 32bit systems, the size of a pointer is the same as an int, but this is
> not the case on 64 bit.  So in order to map a pointer to an integer file
> handle, you have to do some extra coding.  The reason the 'long' patch
> is incorrect, is that it breaks compatibility with POSIX open/read/write
> prototypes.
> 
> So in Gentoo, there is a 64bit patch to the libtar package,
> and then a patch to Barry to make it conform.  Remove both patches
> from both packages, and Barry will just work.  The libtar package's example
> will probably fail, when compiling libtar on Gentoo on 64bit systems,
> so you'll need to hack around it with a patch similar to Debian's.
> 
> 
>>> That equals sign is confusing libtool.
>> Ok, sorry about that, I just removed it. This should not be an issue
>> anymore.
> 
> Thanks Nils!
> 
> - Chris
> 
> 
> ------------------------------------------------------------------------------
> Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
> -OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
> -Strategies to boost innovation and cut costs with open source participation
> -Receive a $600 discount off the registration fee with the source code: SFAD
> http://p.sf.net/sfu/XcvMzF8H
> _______________________________________________
> Barry-devel mailing list
> Bar...@li...
> https://lists.sourceforge.net/lists/listinfo/barry-devel


I have attached the .log for my recent attempt at building from git on
Gentoo. Not sure why it works for others and not me. :(

- --

- --
Marc R. O'Connor
Information Systems
Camden County Board of Social Services
600 Market St.
Camden, NJ 08102
mro...@oe...
856-225-8915 Ofc.
609-206-3458 Blackberry
319D8AF1 BB PIN

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.10 (GNU/Linux)

iEYEARECAAYFAkmoF7UACgkQd+xzezvVnBwlCwCfagoZJNaR4D3g08n2saMPrLb6
ey8AoJPTITMbwvR56v924LK1kZrYHjug
=cwap
-----END PGP SIGNATURE-----