Bug#844227: FTBFS on mips*, ./.libs/libmutter-cogl.so: undefined reference to `eglQueryString'

[Andreas Boll]

On Mon, Nov 14, 2016 at 06:47:00PM +0100, Michael Biebl wrote:
> Am 13.11.2016 um 19:43 schrieb Michael Biebl:
> > Am 13.11.2016 um 18:37 schrieb Sven Joachim:
> >> The toolchain has also changed quite a bit in the past four weeks, with
> >> gcc having pie enabled by default and binutils at a bleeding edge
> >> snapshot.  Maybe one of those has triggered the build failure.
> > 
> > That might well be it. Currently mutter still builds fine in stretch.
> > The new binutils should migrate to testing soon.
> > I can then retry the build on a mips porter machine with
> > 2.27.51.20161108-1
> 
> binutils 2.27.51.20161108-1 just migrated to stretch. mutter still
> builds fine in stretch with this version. So I'd say we can cross off
> binutils from the list of suspects.

As Sven already mentioned these symbols are still available otherwise
Mesa would FTBFS as we strictly check those symbols in the build with

    override_dh_makeshlibs:
        dh_makeshlibs -a -- -c4

Furthermore I've manually checked libegl1-mesa_12.0.4-2_mips.deb [1]
with nm that those symbols are still exported.

Mesa could be still affected by a broken binutils. To cross out
binutils or other toolchain bugs we would need to rebuild Mesa
12.0.3-3 (= version in testing) with the current toolchain and build
mutter against this rebuild of Mesa.
Michael, could you check this on a mips porter machine?

If it works with Mesa 12.0.3-3 we need to bisect Mesa. Otherwise it's
not a regression introduced with Mesa 12.0.4.


Thanks,
Andreas

[1] https://packages.debian.org/sid/mips/libegl1-mesa/download
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