On Thu, Aug 21, 2025 at 1:19 PM Dima Pasechnik <[email protected]> wrote:
>
> Thanks for the log; one place there looks suspicious, and probably
> results in your errors
>
> [spkg-install] [9/30] Linking static target extern/agg24-svn/libagg.a
> [spkg-install] ar:
> extern/agg24-svn/libagg.a.p/src_agg_bezier_arc.cpp.o: plugin needed to
> handle lto object
>
> So it's probably ar which needs to be replaced by gnu-ar, don't know
> how, though:
> https://gcc.gnu.org/legacy-ml/gcc-help/2016-01/msg00061.html
> If you can manage this, and rebuild, fine. If not,
> can you try merging the branch pull/3/head of
> https://github.com/cxzhong/sage pull/3/head and see if it builds.
> This is an update of matplotlib and its deps, hopefully it will fix this all.

This should be all here now:
https://github.com/sagemath/sage/pull/40633


>
> On Thu, Aug 21, 2025 at 12:22 PM Philippe Delavalade
> <[email protected]> wrote:
> >
> > Hi Dima and thanks for your answer.
> >
> > I noticed that it was always the same kind of error.
> >
> >
> > Le jeudi 21 août à 16:44, Dima Pasechnik a écrit :
> > > Hi,
> > > the errors in your test.log all appear to come from a broken
> > > matplotlib installation.
> > > A typical error message is
> > >
> > > ImportError: 
> > > /home/math/sage-10.7/local/var/lib/sage/venv-python3.12.5/lib/python3.12/site-packages/matplotlib/_path.cpython-312-x86_64-linux-gnu.so:
> > > undefined symbol: _ZN3agg10curve3_div4initEdddddd
> > >
> > > ("undefined symbol" varies, but it's always in
> > > "_path.cpython-312-x86_64-linux-gnu.so")
> > >
> > > Can you post the output of
> > >
> > > ldd 
> > > /home/math/sage-10.7/local/var/lib/sage/venv-python3.12.5/lib/python3.12/site-packages/matplotlib/_path.cpython-312-x86_64-linux-gnu.so
> >
> > Output is
> >         linux-vdso.so.1 (0x00007f7aff601000)
> >         libstdc++.so.6 => /usr/lib64/libstdc++.so.6 (0x00007f7aff200000)
> >         libm.so.6 => /lib64/libm.so.6 (0x00007f7aff444000)
> >         libgcc_s.so.1 => /usr/lib64/libgcc_s.so.1 (0x00007f7aff429000)
> >         libc.so.6 => /lib64/libc.so.6 (0x00007f7aff021000)
> >         /lib64/ld-linux-x86-64.so.2 (0x00007f7aff603000)
> > > It's certain C++ function, curve3_div, as you can see by running the 
> > > demangler:
> > >
> > >      c++filt _ZN3agg10curve3_div4initEdddddd
> > > agg::curve3_div::init(double, double, double, double, double, double)
> > >
> > > Apparently it's from 
> > > https://matplotlib.org/stable/api/backend_agg_api.html
> > >
> > > Can you post the matplotlib install log, in logs/pkgs/matplotlib*.log ?
> >
> > I join it.
> >
> > Cheers.
> >
> > --
> > Philippe
> >
> > >
> > > HTH
> > > Dima
> > >
> > > On August 21, 2025 4:23:42 AM CDT, Philippe Delavalade
> > > <[email protected]> wrote:
> > > >Hi all.
> > > >
> > > >I just installed sage-10.7. Installation seemed to be correct.
> > > >
> > > >When running
> > > >make ptestlong
> > > >I got many errors and failures. I don't understand what is going wrong.
> > > >
> > > >I join config.log, install.log and test.log (this one is very long).
> > > >
> > > >I'm using linux, slint 15.0 (based on slackware 15.0).
> > > >
> > > >Thanks for help.
> > > >
> > >
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