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From Rob Weir <robw...@apache.org>
Subject Re: R: ld: gold vs bfd
Date Tue, 10 Jan 2012 13:43:33 GMT
On Fri, Dec 23, 2011 at 9:37 AM, Andre Fischer <af@a-w-f.de> wrote:
> On 12/21/11 8:12 PM, Pedro Giffuni wrote:
>>
>>
>> --- Mer 21/12/11, Andre Fischer<andre@a-w-f.de>  ha scritto:
>> ...
>>>
>>> Hi all,
>>>
>>> I ran into a problem with a Linux build.  On Ubuntu
>>> (both 32bit and 64bit) linking of comphelper failed
>>> with a lot of unresolved references.  With the help of
>>> Herbert I could solve this by using a different linker.
>>> Instead of ld.bfd I used ld.gold and could build comphelper
>>> and the rest of OpenOffice.
>>>
>>> On Fedora this seems to work out of the box.
>>>
>>> I am now working on CoinMP (the lp_solve
>>> replacement).  It builds without problems on Windows
>>> and
>>> Mac but has linker errors on Linux.  Eventually I
>>> found that going back to ld.bfd solved this problem.
>>>
>>> Has anybody else experienced problems with the linker?
>>>
>>> Does anybody on this list have a deeper understanding of
>>> the Linux linkers and can explain
>>> what is going on and how to better solve it?
>>>
>> My understanding is that gold is still experimental: it
>> is the planned replacement for GNU ld but GNU ld is
>> still the default for some good reason.
>>
>> The most common problems I've seen with GNU ld are
>> related to the linking order:
>>
>> http://stackoverflow.com/questions/45135/linker-order-gcc
>
>
> That is the kind of problem that I ran (and still run) into in comphelper.
>  Does anybody else has this problem, or is it just me?
>

I'm seeing link errors now with comphelper.  This is on Ubuntu.  It
worked fine a few weeks ago.

-Rob

>
>>
>> While here, CoinMP has some outdated components.
>> I have a couple of header cleanups here:
>> http://www.freebsd.org/cgi/cvsweb.cgi/ports/math/coinmp/files/
>
>
> Good to know.  A quick glance shows that these patches are against CoinMP
> 1.4,  and I am working with CoinMP 1.6.  But there may be valuable
> information there.  I will look into this after the hollidays.
>
> Regards,
> Andre
>
>> cheers,
>>
>> Pedro.
>
>

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