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Date: Fri, 24 Jan 2014 18:18:37 +0800
From: Robert Yang <liezhi.yang@windriver.com>
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To: Paul Barker <paul@paulbarker.me.uk>, Philip Balister <philip@balister.org>
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Cc: openembedded-core <openembedded-core@lists.openembedded.org>
Subject: Re: Berkeley DB fails to build
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Seems that it is caused by the libtool, but I'm not very sure, we can
reproduce it by:

$ sudo touch /usr/lib/libstdc++.so
$ bitbake db

// Robert

On 01/24/2014 03:01 AM, Paul Barker wrote:
> On 23 January 2014 17:54, Philip Balister <philip@balister.org> wrote:
>> On 01/23/2014 06:51 AM, Carlos Rafael Giani wrote:
>>> Hello,
>>>
>>> I noticed that since the C++ bindings for the berkeley DB were included
>>> in commit 23f29027db73d5759889b48fabdea7f6173217a7 , I cannot build db
>>> anymore.
>>> The error is:
>>>
>>>      /usr/lib/libstdc++.so: file not recognized: File format not recognized
>>>
>>> this is the offending part in the log.do_compile file:
>>
>> What distro is your build machine running? I've this from people using
>> Arch Linux.
>>
>
> I've tracked this down to libtool replacing '-lstdc++' with an
> explicit reference to '/usr/lib/libstdc++.so' before it runs ld. So
> it's libtool not ld at fault here. I did look at the recipe for
> Berkeley db and spotted that it overrides do_configure, allowing the
> shipped copies of libtool and related files to be used rather than
> running the autoreconf stuff that replaces them. That's my
> understanding at least.
>
> At that point I ran away and reverted the commit in question locally
> as libtool terrifies me and I don't need the c++ bindings myself!
>
> Sorry I can't be more help but I hope that points someone in the right
> direction.
>