[yocto] Problems building different versions of perl
Gary Thomas
gary at mlbassoc.com
Mon Jul 22 05:58:41 PDT 2013
On 2013-07-22 05:33, Gary Thomas wrote:
> In an effort to understand my problem (code built using Poky/Yocto doesn't
> run but the same code built natively on a BeagleBoneBlack running Angstrom does),
> I want to try a previous version of perl. I picked up the recipes from the
> Poky/Yocto tree rev 51cbb5ae7 (5.14.2-r12) and put them in one of my local layers.
> I also set local.conf to have PREFERRED_VERSION_perl = "5.14.2"
>
> Now I'm getting these errors:
>
> NOTE: Resolving any missing task queue dependencies
> NOTE: preferred version 5.14.2 of perl not available (for item perl-module-strict)
> NOTE: versions of perl available: 5.14.3
> NOTE: preferred version 5.14.2 of perl not available (for item perl-module-vars)
> NOTE: versions of perl available: 5.14.3
> NOTE: preferred version 5.14.2 of perl not available (for item perl-module-config)
> NOTE: versions of perl available: 5.14.3
> NOTE: preferred version 5.14.2 of perl not available (for item perl-module-warnings)
> NOTE: versions of perl available: 5.14.3
> NOTE: Preparing runqueue
> ERROR: Multiple .bb files are due to be built which each provide perl (/home/local/poky-multi/meta-amltd/recipes-devtools/perl/perl_5.14.2.bb
> /home/local/poky-multi/meta/recipes-devtools/perl/perl_5.14.3.bb).
> This usually means one provides something the other doesn't and should.
> ERROR: Multiple .bb files are due to be built which each provide libmodule-build-perl (/home/local/poky-multi/meta-amltd/recipes-devtools/perl/perl_5.14.2.bb
> /home/local/poky-multi/meta/recipes-devtools/perl/perl_5.14.3.bb).
> This usually means one provides something the other doesn't and should.
>
> I don't see how I can be told on one line that 5.14.2 isn't available
> but on the next that it will also be built :-(
>
> The odd thing is that this process worked ONCE. I was able to build using
> 5.14.2 with no errors. I tried some stuff on my board and then needed to
> see how 5.14.3 behaved. Now when I want to go back to 5.14.2, I'm stuck
> with these errors and bitbake insists on using 5.14.3. I'm trying to go
> back to 5.14.2-r12 because that's the version that's on the BBB,
>
> How can I move forward?
>
> Thanks
>
> Note: my original problem is described in https://lists.yoctoproject.org/pipermail/yocto/2013-July/017297.html
> but there hasn't been any discussion or replies...
Interestingly, a build using the exact same meta-data does not yield these
warnings/errors and builds perl 5.14.2-r12 as I expected. I've tried various
combinations of 'cleansstate', etc, to no avail.
--
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Gary Thomas | Consulting for the
MLB Associates | Embedded world
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