libd happily builds without libpng.
and this beta does allow from libpng to come from the system.
On Fri, May 31, 2019 at 1:50 PM E. Madison Bray <erik.m.b...@gmail.com> wrote:
>
> On Fri, May 31, 2019 at 2:47 PM E. Madison Bray <erik.m.b...@gmail.com> wrote:
> >
> > On Fri, May 31, 2019 at 2:22 PM Dima Pasechnik <dimp...@gmail.com> wrote:
> > >
> > > On Fri, May 31, 2019 at 12:54 PM E. Madison Bray <erik.m.b...@gmail.com>
> > > wrote:
> > > >
> > > > On Wed, May 29, 2019 at 2:12 AM Colby Kelln <cke...@umich.edu> wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > I'm receiving a similar error message. What exactly did you do to fix
> > > > > the problem?
> > > > >
> > > > > Thanks
> > > >
> > > > FWIW I also experienced this problem upon updating to 8.8.beta7 on
> > > > Cygwin. Possibly for unrelated reasons. Will investigate though.
> > >
> > > the underlying reason for this error is that $(SAGERUNTIME) (in all
> > > the cases I saw it was broken sagelib), which is a dependency of
> > > sagenb,
> > > is broken at the time sagenb is building.
> > >
> > > SAGERUNTIME should depend on sage-starts
> > > (and this probably is not hard to fix in the main Makefile)
> >
> > Yes, I suppose. But that's less interesting: The problem is why is
> > Sage failing to start? In my case it's because the DLL for
> > sage.matrix.matrix_mod2_dense cannot be loaded, either due to a
> > missing dependency or some DLL incompatibility hell. It's hard to be
> > certain why I'm just getting this *now* though upon upgrading from
> > 8.8.beta6 (which worked, I think) to 8.8.beta7. I don't see that much
> > changed. maxima was upgraded as was gmpy2. That shouldn't have
> > broken loading of this DLL.
>
> Now, looking at Colby's sage crash log, it was also a problem loading
> the same module (except on MacOS, so it's maybe not purely a Cygwin
> problem). In her case she got: _gdImageCreateFromPng
>
> Unfortunately Cygwin won't tell me why the DLL load failed exactly but
> it could also be the same missing symbol. I'll have to check. Why
> would there be a missing _gdImageCreateFromPng? I thought we didn't
> change anything about libgd (yet, unless I'm missing something), and I
> have the Sage SPKG for it installed currently.
>
>
> > > > > On Sunday, April 21, 2019 at 10:30:49 AM UTC-4, vdelecroix wrote:
> > > > >>
> > > > >> Indeed, sage did not start... After fixing it, sagenb installs.
> > > > >>
> > > > >> The error message is really confusing.
> > > > >>
> > > > >> Le 21/04/2019 à 16:25, Dima Pasechnik a écrit :
> > > > >> > this error is an indication of an earlier build error. Try
> > > > >> > starting sage.
> > > > >> >
> > > > >> > On Sun, 21 Apr 2019 15:13 Vincent Delecroix, <20100.d...@gmail.com>
> > > > >> > wrote:
> > > > >> >
> > > > >> >> Ignore the second e-mail: the error occurred again compiling
> > > > >> >> from scratch.
> > > > >> >>
> > > > >> >> Le 21/04/2019 à 14:24, Vincent Delecroix a écrit :
> > > > >> >>> It appears to be a problem with my setup.
> > > > >> >>>
> > > > >> >>> I had some Python libraries in my $HOME/.sage/local
> > > > >> >>> that made interference with the sage installation.
> > > > >> >>>
> > > > >> >>> Vincent
> > > > >> >>>
> > > > >> >>> Le 21/04/2019 à 13:22, Vincent Delecroix a écrit :
> > > > >> >>>> Dear all,
> > > > >> >>>>
> > > > >> >>>> Starting from scratch, I failed to build sagenb. More precisely,
> > > > >> >>>> it failed building its documentation with
> > > > >> >>>>
> > > > >> >>>> Running Sphinx v1.8.5
> > > > >> >>>> making output directory...
> > > > >> >>>> building [mo]: targets for 0 po files that are out of date
> > > > >> >>>> building [html]: targets for 19 source files that are out of
> > > > >> >>>> date
> > > > >> >>>> updating environment: 19 added, 0 changed, 0 removed
> > > > >> >>>> reading sources... [ 5%] index
> > > > >> >>>> reading sources... [ 10%] misc/introspect
> > > > >> >>>> reading sources... [ 15%] misc/misc
> > > > >> >>>>
> > > > >> >>>> Exception occurred:
> > > > >> >>>> File "sage/misc/lazy_import.pyx", line 218, in
> > > > >> >>>> sage.misc.lazy_import.LazyImport._get_object
> > > > >> >>>> (build/cythonized/sage/misc/lazy_import.c:2495)
> > > > >> >>>> raise RuntimeError(f"resolving lazy import {self._name}
> > > > >> >>>> during
> > > > >> >>>> startup")
> > > > >> >>>> RuntimeError: resolving lazy import dumps during startup
> > > > >> >>>>
> > > > >> >>>> See also the more complete log in attachment.
> > > > >> >>>>
> > > > >> >>>> Vincent
> > > > >> >>
> > > > >> >> --
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