[yocto] gcc-cross-canadian-arm: found library in wrong location

[Hans Beckérus]

On Thu, Nov 7, 2013 at 3:01 PM, Richard Purdie
<richard.purdie at linuxfoundation.org> wrote:
> On Thu, 2013-11-07 at 12:15 +0100, Hans Beckérus wrote:
>> On Thu, Nov 7, 2013 at 12:00 PM, Paul Eggleton
>> <paul.eggleton at linux.intel.com> wrote:
>> > Hi Hans,
>> >
>> > On Thursday 07 November 2013 10:56:17 Hans Beckérus wrote:
>> >> On Wed, Nov 6, 2013 at 12:32 PM, Hans Beckérus <hans.beckerus at gmail.com>
>> >> wrote:
>> >> > Hi, I am getting the below error when populating the sdk for our Yocto
>> >> > 1.5 based image.
>> >> >
>> >> > WARNING: QA Issue: gcc-cross-canadian-arm: found library in wrong
>> >> > location:
>> >> > /opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gn
>> >> > ueabi/gcc/arm-poky-linux-gnueabi/4.8.1/liblto_plugin.so.0.0.0
>> >> > gcc-cross-canadian-arm: found library in wrong location:
>> >> > /opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnu
>> >> > eabi/gcc/arm-poky-linux-gnueabi/4.8.1/liblto_plugin.so.0
>> >> > gcc-cross-canadian-arm: found library in wrong location:
>> >> > /opt/poky/1.5/sysroots/x86_64-pokysdk-linux/usr/libexec/arm-poky-linux-gnu
>> >> > eabi/gcc/arm-poky-linux-gnueabi/4.8.1/liblto_plugin.so
>> >> >
>> >> > Never got this on Yocto 1.4. I am not even planning of installing
>> >> > anything in /opt so this really came out of nowhere. There is nothing
>> >> > installed in /opt at the moment.
>> >> > Did it actually expect to find something in /opt? And in that case,
>> >> > how can it? It can not know where the toolchain will be installed!?
>> >> > Somebody that can shed some light on this one? Can we safely ignore it?
>> >>
>> >> Ok, I started to look some more into this but unfortunately my
>> >> knowledge about how bitbake is picking up recipes etc. is way too
>> >> limited to explain why this is happening. I searched for
>> >> gcc-cross-canadian in our layers and it can be found here:
>> >>
>> >> meta/recipes-devtools/gcc/gcc-cross-canadian.inc
>> >> meta/recipes-devtools/gcc/gcc-cross-canadian_4.7.bb
>> >> meta/recipes-devtools/gcc/gcc-cross-canadian_4.8.bb
>> >> meta-openembedded/toolchain-layer/recipes-devtools/gcc/gcc-cross-canadian_4.
>> >> 6.bb
>> >>
>> >> So, my question now is: why does it pickup gcc 4.6 from
>> >> meta-openembedded when there are better alternatives in oe-core?
>> >
>> > What makes you think it is picking up the one in toolchain-layer? I don't see
>> > references to 4.6 in the QA error. If you haven't added meta-
>> > openembedded/toolchain-layer to your bblayers.conf specifically it won't be
>> > being seen by bitbake at all.
>> >
>>
>> Hi Paul.
>>
>> True. It was a false statement. The reason behind why I thought it
>> picked up the wrong recipe was due to other reasons.
>> I now see that it seems to pick up the 4.8 version in oe-core.
>>
>> > It's more than likely that this QA error is bogus. The "found library in wrong
>> > location" QA check was broken originally; I "fixed" it but I think it has
>> > always been a little over-zealous since then.
>> >
>> I see. Funny though that this was not seen on Yocto 1.4? But it
>> probably has a good explanation too.
>> The most important thing is that we can now conclude that it is safe
>> to ignore it. I guess it might have something to do with providing
>> references to ${SDKPATH} in EXTRA_OECONF_PATHS. But it is most likely
>> not worth the effort trying to fix it.
>>
>
> There were some changes in the cross-canadian recipes in 1.5 which
> triggered this warning. We do need to figure out why its happening and
> fix it. It does seem to be intermittent though and when I have time to
> debug it, I can't see to reproduce it :/
>
Hi Richard.
If you wish, I can get try to reproduce it again. Only seen it once,
but also only tried it once.
So currently in our setup it is 100% reproducible ;)

> It is relatively harmless but would be good to resolve it.
>
> Cheers,
>
> Richard
>