On Mon, May 04, 2015 at 02:28:04PM +0200, Jérémy Bobbio wrote:
> Hi!
> 
> Here's an update after rebasing my patches on 5.20.2-4.
> 
> Niko Tyni:
> > - the build system also embeds information about the build host, at
> >   least the kernel version and hostname. Those need to be stripped too.
> >   From 'perl -V':
> > 
> >     osname=linux, osvers=3.16.0-4-amd64, 
> > archname=x86_64-linux-gnu-thread-multi
> >     uname='linux estella 3.16.0-4-amd64 #1 smp debian 3.16.7-ckt2-1 
> > (2014-12-08) x86_64 gnulinux '
> > 
> >   I assume varying uname et al. isn't actively tested yet?
> 
> We do now test it by calling `linux64 --uname-2.6`. It will make the
> version look like 2.6.56-4. And indeed, this is an issue.
> 
> The kernel version shows in Config.pm (`osvers`), Config_heavy.pl
> (`osvers`).
> 
> The full uname is shown in Config_heavy.pl (in a comment, and in
> `myuname`), in CORE/config.h (in a comment, in `OSVERS`), and in the
> binaries.
> 
> I'm not sure what's the best answer here. Always use 2.6.42? As in
> Debian we can't really know which version of the kernel the package is
> going to be used with, it should stay compatible with older kernels as
> much as possible.
> 
> 
> Another issue that surfaced now that we are doing timezone variations is
> that LOCALTIME_MIN and LOCALTIME_MAX gets different values depending on
> the value of the TZ environment variable.
> 
> This shows in CORE/conf.h, in Config_heavy.pl, and in the binaries.
> 
> If I read it right, `sLOCALTIME_min` and `sLOCALTIME_max` can be
> overloaded from `Configure`.
> 
> The minimum I had on my amd64 system is with TZ=UTC-24, -62167305600.
> The maximum is with TZ=UTC and is 67768036191590399.
> 
> It feels like a bug to have something that can be configured through an
> environment variable on a running system affect what gets encoded in the
> binary.

Hello,

Thanks for the update! I noticed that you didn't include your
rebased patches as attachments, however.

We've now uploaded perl 5.22.0~rc2-2 to experimental, and that will
be a good base on which to forward patches upstream, so if you were
able to do one more rebasing that'd be excellent.

Cheers,
Dominic.


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