ports/173197: [patch] add port for atf-0.16

[Roman Naumann]

>Number:         173197
>Category:       ports
>Synopsis:       [patch] add port for atf-0.16
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          change-request
>Submitter-Id:   current-users
>Arrival-Date:   Mon Oct 29 19:10:00 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     Roman Naumann
>Release:        9.0
>Organization:
>Environment:
>Description:
See also ports/146754, the pkg-descr was copied from there too. It looks like an older version of ATF was in ports for a while from the comments in this PR, but it's gone.

ATF-0.16 was merged into 10-CURRENT in on September 4, which makes use of ATF for FreeBSD related programs attractive. The pkgng team considers using it too (talked with bapt@ and bdrewery@ about this on IRC). However, no port exists at the moment to use ATF on older/stable versions of FreeBSD, which is necessary for adoption. So here it is.

Tested compiling on 9.0 with gcc/g++ and clang/clang++.

>How-To-Repeat:

>Fix:


>Release-Note:
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