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 around in gentoo-portage.com, and find out of date stuff.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
>
>
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Let's see went to compile this AM and it did not stop on the libtool
location. But it did fail else where but i was running to work and I
didnt capture the issue to send up. I redo it tonight. Thanks for the help.
--
--
Marc R. O'Connor
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