ports/173865: devel/boost-all: let Boost to use proper toolset with clang

[edwin at FreeBSD.org]

Synopsis: devel/boost-all: let Boost to use proper toolset with clang

State-Changed-From-To: open->feedback
State-Changed-By: edwin
State-Changed-When: Fri Nov 23 17:27:55 UTC 2012
State-Changed-Why: 
Awaiting maintainers feedback (via the GNATS Auto Assign Tool)

http://www.freebsd.org/cgi/query-pr.cgi?pr=173865