Help with C++, gcc4.9 and libstdc++

[Fernando Apesteguía]

El 29 nov. 2016 18:58, "Rainer Hurling" <rhurlin at gwdg.de> escribió:
>
> Hi Fernando,
>
> Am 29.11.2016 um 17:50 schrieb Fernando Apesteguía:
> > I maintain a port written mostly in C++ (cad/openvsp).
> >
> > This port used to compile fine in 11 and 10.x in both i386 and amd64.
> > Since Nov 22nd I'm receiving a pkg-fallout for this port in 10.1. The
> > port fails with this message:
> >
> > undefined reference to `__cxa_throw_bad_array_new_length'
> >
> > I assume the source of the problem is defaulting to gcc 4.9 in the
> > ports and it seems to be related to libstdc++
> >
> > I use USES=compiler:gcc-c++11-lib in the Makefile since some c++11
> > features are required. Any idea of why this could be failing to link?.
> > What puzzles me is that it compiles fine with gcc 4.9 in 10.2.
> >
> > Thanks in advance.
>
> this also happens with a few other ports, and is described in
>
> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=214863
>
> As far, as I understand, a patch with a workaround will be committed in
> the next time.

Thanks for the info!

>
> HTH,
> Rainer