Using sysroot in testsuite. Trunk version. (issue4248059)

[Mike Stump]

On Mar 7, 2011, at 5:30 PM, Diego Novillo wrote:
> This is the patch I had in mind for trunk.

> OK for 4.7?

Ok.  I'll just note here, that this is necessary for canadian, but not always sufficient.  It is monotonically better however.  I looked at the Make/configure issues, and they look fine to me, though, there are others that specialize in that.  Thanks.