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What to do with “Fix FTBFS with ld --as-needed” bugs ?

Le Sun, Dec 05, 2010 at 02:57:53PM +0100, Matthias Klose a écrit :
> Package: samtools
> Version: 0.1.12a-1
> Tags: patch
> User: debian-gcc@lists.debian.org
> Usertags: ld-as-needed
> patch at
> http://launchpadlibrarian.net/60144486/samtools_0.1.12a-1_0.1.12a-1ubuntu1.diff.gz

Dear Matthias,

thank you for your patch.

I do not know that to do with it since I have difficulties to understand the
context. It is a patch for Ubuntu but it is usertagged with the Debian GCC's
team email. I have a couple of questions, and since some of them may be of
general interst, I am copying debian-devel.

 - Is there a timeline in which the package in Debian will stop to build from
   source if the patch is not applied ?

 - I do not understand what problem the patch solves when reordering ‘-lm -lz
   -L.. -lbam’ to ’-L.. -lbam -lm -lz’. It seems that it is related to the use
   of --as-needed. Is there a general explanation somewhere, that I can use
   when forwarding the patch upstream ?

 - Does such a change represents some best practice that we should put forward
   for our uptreams to be aware of, for instance in http://wiki.debian.org/UpstreamGuide ?

Have a nice day,

Charles Plessy
Debian Med packaging team,
Tsurumi, Kanagawa, Japan

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