libjava multilib support

[Mike Stump]

On Mar 25, 2010, at 11:09 AM, Mike Stump wrote:
> libjava on darwin doesn't build because it lacks proper gmp support from configure.  This patch enhances it by adding the proper -I and -L flags for finding the gmp library when building.  This patch is better than that status quo, but like the status quo, lacks proper target != host support.  When the gmp flags aren't given, we just do what was done before.
> 
> Ok?

Ping?

http://gcc.gnu.org/ml/gcc-patches/2010-03/msg01211.html