Fix for PR libgcj/2874:
	* libjava.mauve/mauve.exp (gcj_run_mauve_tests): New proc.
	(test_mauve): Return 0 on failure.
	* lib/libjava.exp (test_libjava_from_source): Remove generated
	files if test is successful.
	(test_libjava_from_javac): Likewise.
	(gcj_cleanup): New proc.

From-SVN: r43050