I again did a clean build, with a fresh mauve directory. This time, I didn't use the MAUVEDIR variable for the make invocation, but put a symlink "mauve" in <SRC_DIR>/gcc-4.7.2/libjava/testsuite/libjava.mauve that points to my mauve directory. This yielded the same failures as previous attempts (unrecognized configure option "--with-gcj" and an invalid make target "classes.stamp" (i.e., no rule to make it)). At this point, I have run out of reasonable ideas to try to get the gcj/libgcj testing using mauve to work. While I certainly may be doing something wrong, I'm beginning to wonder if these failures may be due to bitrot of this functionality. If anyone is still using mauve to test gcj/libgcj builds or has any insight, I'd greatly appreciate any feedback. Thanks, Mike