Building world with gcc9 not working

[Warner Losh]

On Mon, Sep 9, 2019 at 11:05 PM Conrad Meyer <cem at freebsd.org> wrote:

> On Mon, Sep 9, 2019 at 8:25 PM Rebecca Cran <rebecca at bsdio.com> wrote:
> >
> > Is building world with gcc still supported? I'm getting an error running
> > the following:
> >
> > make XCC=/usr/local/bin/gcc9 XCXX=/usr/local/bin/g++9 buildworld
>
> Hi Rebecca,
>
> Aspirationally, yes.  I did a successful CROSS_TOOLCHAIN=amd64-gcc
> buildworld earlier this week.  (It doesn't play well with binary pkg's
> built with Clang, so I ended up replacing it with a Clang-built world
> instead, but it compiled.)
>
> Unfortunately, amd64-xtoolchain-gcc is stuck on GCC 6.4.0, while
> you're running the much more recent GCC9.  I think GCC6.4.0 is more or
> less expected to build world today, but I don't think many people are
> building with GCC9.  I would love for amd64-xtoolchain to move to a
> newer version, but I don't know what is blocking that — it seems like
> it should be straightforward.
>

I did a gcc8 build about a year or so ago, though I had to turn off Werror
to complete the build...

Warner