Compare the output of configure run on working and non working versions. Usually this is very helpful. See if its enabling or disabling something new. On Mar 10, 2016 10:55 PM, "Jens Rehsack" <rehs...@gmail.com> wrote:
> > > Am 10.03.2016 um 06:13 schrieb Gary Thomas <g...@mlbassoc.com>: > > > > I'm working on a package (amanda - the Advanced Maryland Archiving > > system) that is written heavily in perl with swig interfaces to C. > > This code ran great until the update to perl 5.22; it now dies a > > horrible death on almost every activity. These failures seem to > > always be in the swig generated wrappers, but that may just be > > where most of the work gets done. > > > > I've narrowed this down to exactly the change to perl 5.22 from > > 5.20. Using bisect as well as experimentation (e.g. trying all > > the compiler combinations that have occurred since a last good > > version) and I can go from working to failing by only the change > > in perl. > > > > The interesting (scary) thing is that I've built amanda for my > > target natively on my board running debian, including perl 5.22. > > This means I can't say definitively that perl 5.22 is the culprit > > as on debian it runs fine. So, it's got something to do with the > > OE environment/porting/packaging of perl and not just the revision. > > > > I've also tested this on multiple architectures (ARM, PowerPC) with > > the same results - with perl 5.20 amanda works, with perl 5.22 it fails. > > > > I've compared the actual 5.22.1 sources used by OE-core and debian > > and they are subtly different, although I can't pinpoint any change > > that might be responsible. > > > > For the moment, I can just fall back to perl 5.20 for my target > > that needs to run amanda, but this isn't a real solution (e.g. > > in this state I can't propose my recipe to any layer as it's > > totally broken with the current OE-core). I'd like to see this > > fixed but the amanda code (swig wrappers) are horribly complex > > which makes debugging quite the challenge, not to mention they > > may be about the only way to uncover the bug, whether it's in > > amanda or perl. > > > > Any suggestions on how to move forward? > > Since I have no clue what's wrong and how it fails (backtrace > would point in some directions), several ideas might work: > > How clean is your build location (we realize that often between > updates some files remain in our target images until we wipe > tmp/ - cleansstate for image doesn't help ...)? > > Did you prove the library path's of your *.so's? Perl does > almost everything within libperl.so - build against wrong version > causes in weird crashes (scan DBI mailing list for admin's > build issues of DBI on AIX/HP-UX ...). > > Maybe share your recipe can help to reproduce the problem > elsewhere and debug locally. > > Cheers > -- > Jens Rehsack - rehs...@gmail.com > > > -- > _______________________________________________ > Openembedded-core mailing list > Openembedded-core@lists.openembedded.org > http://lists.openembedded.org/mailman/listinfo/openembedded-core > >
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