2008-01-30  Anthony Green  <green@localhost.localdomain>

	* testsuite/lib/wrapper.exp: Copied from gcc tree to allow for 
	execution outside of gcc tree.
	* testsuite/lib/target-libpath.exp: Ditto.

	* testsuite/lib/libffi-dg.exp: Many changes to allow for execution
	outside of gcc tree.