There has been some discussion in the past on this. And offcourse
ideally everything would build with SAGE_CHECK=yes but a lot of the
failures are not even due to sage so we are less strict on these then
the sage doctests. I also remember that some people (including me)
wished that a failure SAGE_CHECK=yes didn't cause the build process to
fail since in the current setup we only get info about python failing
and spkgs that are installed later on don't ever get build with the
checks run.

On May 4, 11:07 am, Dima Pasechnik <dimp...@gmail.com> wrote:
> Are we to test with SAGE_CHECK=yes ?
> I have a test failure while building python spkg on a pretty usual
> Debian x64 system (with make -j8, or just make) if I have it on.
>
> namely, the failures are:
>
> test_distutils
> test test_distutils failed -- errors occurred; run in verbose mode for
> details
> (this is not very informative, I know  – how does one turn this on?)
>
> test_zlib
> test test_zlib failed -- Traceback (most recent call last):
>   File "/usr/local/src/sage/sage-4.7.rc1/spkg/build/python-2.6.4.p10/
> src/Lib/test
> /test_zlib.py", line 84, in test_baddecompressobj
>     self.assertRaises(ValueError, zlib.decompressobj, 0)
> AssertionError: ValueError not raised
>
> Best,
> Dima
>
> On May 1, 5:58 pm, Jeroen Demeyer <jdeme...@cage.ugent.be> wrote:
>
>
>
> > Dear Sage lovers,
>
> > We're releasing Sage 4.7.rc1.
>
> > Source archive:
>
> >http://boxen.math.washington.edu/home/release/sage-4.7.rc1/sage-4.7.r...
>
> > Upgrade path:
>
> >http://boxen.math.washington.edu/home/release/sage-4.7.rc1/sage-4.7.rc1/
>
> > Please build, test, and report!  We'd love to hear about your
> > experiences with this release.
>
> > == Known issues ==
>
> >  * SVD matrix decomposition fails on some Mac OS X 10.5 systems, see
> >    #11248.  In this release, we disabled the doctest exposing this bug.
> >  * Some doctests fail on bsd.math (OS X 10.6 i386), when compiling in
> >    64-bit mode due to SAGE64 verbosity.  This is #10303.
> >  * Singular fails to build on Mac OS X 10.4 PPC systems, see #11278.
> >  * Most gcc 4.6.0 issues should be fixed now.  There is one known
> >    problem: sympow builds incorrectly on Itanium systems with gcc 4.6.0,
> >    see #11226.
>
> > == Tickets ==
>
> > * We closed 205 tickets in this release. For details, see
>
> >  http://boxen.math.washington.edu/home/release/sage-4.7.rc1/tickets.html
>
> > Closed tickets:
>
> > #4141: OS X: R pulls in libraries from fink [Reviewed by Karl-Dieter
> > Crisman]
> > #10348: Adam Webb: upgrade optional biopython package to 1.57 [Reviewed
> > by Martin Albrecht, David Kirkby, Marshall Hampton]
> > #11247: Remove the optional GLPK package since Sage has GLPK as a
> > standard package. [Reviewed by Dmitrii Pasechnik]
>
> > Merged in sage-4.7.rc1:
>
> > #11168: David Kirkby, Jeroen Demeyer: rubiks fails doctest with gcc
> > 4.6.0 and -O2 optimisation. [Reviewed by John Palmieri]
> > #11209: William Stein: documentation for symbolic series function is
> > wrong/misleading [Reviewed by Burcin Erocal, Jeroen Demeyer]
> > #11227: Jeroen Demeyer: gcc-4.6.0 optimization bug with
> > cliquer-1.2.p7.spkg [Reviewed by Mariah Lenox]
> > #11243: Jan Groenewald, David Kirkby: python spkg build fails on Ubuntu
> > 11.04 [Reviewed by David Kirkby, Jan Groenewald, Dan Drake]
> > #11277: Jeroen Demeyer: Temporarily disable failing SVD doctest
> > [Reviewed by Rob Beezer]

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