linux_base-c6 (....) on amd64 without x86_64 support

[Tijl Coosemans]

On Mon, 19 Sep 2016 12:50:17 +0200 Matthias Apitz <guru at unixarea.de> wrote:
> I have compiled my ports with poudriere on amd64, based on ports r414411
> at the moment, and learned that the linux*c6 packages does not have
> x86_64 support; I recompiled as test emulators/linux_base-c6 and only if
> I set in /etc/make.conf:
> 
> OVERRIDE_LINUX_BASE_PORT=c6_64
> 
> the package is built as linux_base-c6_64-6.7_1.txz and has 64-bit
> support (and 32-bit too). Why do I have to set this extra variable
> OVERRIDE_LINUX_BASE_PORT?

Because it is new and experimental.  I plan to enable it by default in
January 2017, after FreeBSD 9, 10.1 and 10.2 EoL.