[GRASS-user] wxpython and wxgtk c++ abi mismatch error - how to fix?

[Saulteau Don]

Very cool! So I took the extra step of self-compiling python-wxpython to
4.1.1 and now GRASS runs super smooth again and no warnings in the console!

The key was removing the --use_syswx part of the build.

Thanks for your help and for anyone else, here's some related bug reports
that help explain the issue [1][2][3].

[1] https://github.com/wxWidgets/Phoenix/issues/1911
[2] https://bugs.archlinux.org/task/69393?project=5&string=python-wxpython
[3] https://github.com/OSGeo/grass/issues/1261

On Tue, Aug 3, 2021 at 2:23 AM Maximilian Stahlberg <
maximilian.stahlberg at tu-berlin.de> wrote:

> Hi,
>
> from what you describe I had the same problem and was able to fix it. I
> believe the issue is that wxpython 4.0.7.2 is outdated as the
> maintainer never got a more recent version to build. However, you can
> obtain version 4.1.1 for your current user via pip:
>
> pip install --user --update wxpython
>
> This should allow the GUI to run with no warnings or crashes.
>
> Best,
> Max
>
>
> On Mon, 2021-08-02 at 13:23 -0700, Donovan Cameron wrote:
> > My system info:
> >
> > OS: Arch Linux
> > GRASS: 7.8.5
> > wxgtk3: 3.0.5.1
> > python-wxpython: 1:4.0.7.2
> > To compile GRASS I have python-wxpython set as a dependency and it
> > builds fine but I always get this warning on startup of GRASS:
> >
> > > % grass78 --gui
> > > Starting GRASS GIS...
> > > 12:54:21: Warning: Mismatch between the program and library build
> > > versions detected.
> > > The library used 3.0 (wchar_t,compiler with C++ ABI 1014,wx
> > > containers,compatible with 2.8),
> > > and wxPython used 3.0 (wchar_t,compiler with C++ ABI 1016,wx
> > > containers,compatible with 2.8).
> > >
> >
> > Recently, the GUI started to crash without any error or warning. It
> > launches a location/project and as soon as the two windows load (map
> > and layer windows) they just crash after a few seconds. No output in
> > terminal to indicate the cause. Can still execute command line GRASS
> > no problem though, so it doesn't crash the entire program just the
> > GUI.
> >
> > I've never really understood what causes the warning and now this
> > crash - do I need to re-compile wxgtk3[1] and python-wxpython[2] to
> > fix it? They do take a little bit of time to compile so curious if
> > anyone has encountered this as well and has some insight before I
> > dive in!
> >
> > I'm thinking the error is because the compiler used has some
> > differences to it as seen from C++ ABI 1014 and 1016.
> >
> > The wxgtk package in Arch Linux has a 6 year old patch[3] applied
> > that has that exact warning in it and the comment for the patch in
> > the PKGBUILD is:
> >
> > > # C++ ABI check is too strict and breaks with GCC 5.1
> > > # https://bugzilla.redhat.com/show_bug.cgi?id=1200611
> > >
> >
> >
> >
> >
> > Thanks,
> >
> > Donovan (saultdon)
> >
> >
> > [1]
> >
> https://github.com/archlinux/svntogit-packages/blob/packages/wxgtk/trunk/PKGBUILD
> > [2]
> >
> https://github.com/archlinux/svntogit-community/blob/packages/python-wxpython/trunk/PKGBUILD
> > [3]
> >
> https://github.com/archlinux/svntogit-packages/blob/packages/wxgtk/trunk/make-abicheck-non-fatal.patch
> > _______________________________________________
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> > grass-user at lists.osgeo.org
> > https://lists.osgeo.org/mailman/listinfo/grass-user
>
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