+2011-03-25 Reuben Thomas <rrt@sc3d.org>
+
+ valgrind: do leak checking, and exit with code 1 on error (not 0)
+ * m4/valgrind-tests.m4: Add `--error-exitcode=1 --leak-check=full'
+ to VALGRIND.
+
2010-11-30 Reuben Thomas <rrt@sc3d.org>
posix-modules: say what it does.