tree 1f1c12154df794e5c3474b5a1b3b4c1ac954975a
parent 31a41c266fae824b03c6a32dec533c177f7a4da1
author njn <njn@a5019735-40e9-0310-863c-91ae7b9d1cf9> 1123860237 +0000
committer njn <njn@a5019735-40e9-0310-863c-91ae7b9d1cf9> 1123860237 +0000

Give informative failure messages if you try to use Helgrind or
Addrcheck.  As a results, we are now building Addrcheck again, which
required commenting out lots of code.

BACKPORT TO 3_0_X, AND POSSIBLY TO 2_4_X (the Helgrind part, with
    modifications)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4384 a5019735-40e9-0310-863c-91ae7b9d1cf9