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Re: List of FTBFS in Ubuntu

On 03.12.2010 08:43, Lucas Nussbaum wrote:

From time to time, I do archive rebuilds for Ubuntu too, and I thought
that the results would be interesting for DDs as well, since a FTBFS in
Ubuntu might indicate that the package will FTBFS in the future in
Debian, due to toolchain changes for example.

Below is a dd-list of the failures.

The full list and the logs can be found on

thanks for doing this. The tendency of these reports is correct, although there are some which are neither reproducible on the Ubuntu buildds nor with local builds (e.g. apport).

This report was taken at the beginning of the natty release cycle, just the first alpha was released, so the number of the build failures is somehow expected.

At this stage, toolchain changes are somewhat expected. I hope the majority of these changes are reported in Debian, and in fact a large percentage is already addressed in Debian, either in unstable or experimental.

 - GCC-4.5: Natty started to use GCC-4.5.  Issues are reported in Debian
   as [1], these are reproducible by installing gcc/g++ and gcc-4.5/g++-4.5
   from experimental).
 - Build failures with the Gold linker, or with ld --no-add-needed.
   Reported as [2], reproducible by installing gcc/g++ and gcc-4.5/g++-4.5
   from experimental or by installing binutils-gold from experimental.
 - Build failures with ld --as-needed. Issues found at [3].
 - Build failures with glibc-2.12, currently not tracked with user tags,
   although I cannot remember more than a few issues.
 - Build failures with more recent kernel headers, currently not tracked
   with user tags.

The linking changes were proposed on debian-gcc and debian-ports, a wiki page with more detailed information can be found at [4].

Some if these issues will be certainly needed for wheezy, some may be needed on a package per package basis.


[1] http://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=ftbfs-gcc-4.5;users=debian-gcc@lists.debian.org [2] http://bugs.debian.org/cgi-bin/pkgreport.cgi?tag=no-add-needed;users=peter.fritzsche@gmx.de
[4] http://wiki.debian.org/ToolChain/DSOLinking

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