On Wed, Apr 19, 2017 at 8:25 PM, Walter Dnes <waltdnes@waltdnes.org> wrote:

> > It is stable. Even there are open bugs, arches started stabilizing it.
>
>   Is gcc-5.4.0 built "--with-default-libstdcxx-abi=gcc4-compatible"?
> On the Pale Moon linux sub-forum, there were crashing issues with the
> contributed Ubuntu build when Ubuntu switched to gcc 5.  The maintainer
> of the Ubuntu Pale Moon build had to drop back to gcc 4.9 to fix the
> crashes.
>
>   At home, for personal use, I build Pale Moon with a manually built
> version of gcc 5.4.0.  Pale Moon has been rock solid for me on Gentoo
> and on a refurbished Lenovo T400 running Puppy Linux.  The option
> "--with-default-libstdcxx-abi=gcc4-compatible" may be the reason it
> works for me.
>
>   This may be valid for other applications, too.  I think the problem is
> that you need the entire system to be one of...
>
> "--with-default-libstdcxx-abi=new" or
>
> "--with-default-libstdcxx-abi=gcc4-compatible"
>
>   Mixing together does not seem to work.
>
> --
> Walter Dnes <waltdnes@waltdnes.org>
> I don't run "desktop environments"; I run useful applications
>
>
The default is new:
https://www.gentoo.org/support/news-items/2015-10-22-gcc-5-new-c++11-abi.html