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valgrind-freebsd / README_FREEBSD

So, install ports for autoconf, automake and gmake.
$ sh autogen.sh
$ ./configure --prefix=/where/ever
$ gmake
$ gmake install

Sun Aug 19 20:26:48 UTC 2007 PS_STRINGS
	Valgrind barfs all over the place on setproctitle.

	This also manifests itself in a corrupted environment in
	children of child processes when --trace-children=yes is used.

	To cope correctly Valgrind must install the modified argv/envp
	pointers in the ps-strings area, and mark it as accessible.