[OE-core] Berkeley DB fails to build

[Iorga, Cristian]

Hi Robert,
What is your OS?
I am unable to reproduce it on my machine following your testcase: Ubuntu 13.10 x86 64bits.
I tried with qemux86 and qemux86-64 machines.
But then again, on my machine there is no /usr/lib/libstdc++.so file.
I assume that you have tried with that touch, see how system behaves and if it not the case of a host contamination.
/Cristian Iorga
YP
Intel


-----Original Message-----
From: openembedded-core-bounces at lists.openembedded.org [mailto:openembedded-core-bounces at lists.openembedded.org] On Behalf Of Robert Yang
Sent: Friday, January 24, 2014 12:19 PM
To: Paul Barker; Philip Balister
Cc: openembedded-core
Subject: Re: [OE-core] Berkeley DB fails to build


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 at 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.
>
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