building m4 in poudriere cross-build

[Vick Khera]

On Wed, Dec 14, 2016 at 9:55 AM, Mikaël Urankar
<mikael.urankar at gmail.com> wrote:
>
> There are issues with the latest version of qemu-user-static (PR
> #214944 #215071), try to use an older version.


Brilliant! Replacing the current qemu-user-static with the one from
http://pkg.freebsd.org/FreeBSD:11:amd64/quarterly/All/qemu-user-static-2.6.90.g20160728.txz
allowed the build of m4 to complete in about 1.5 minutes, and the
remaining ports I needed built quickly after that.

Thanks for the tip!