On Thu, 13 Oct 2011 08:12:03 +0200, dtk <dtk@gmx.de> wrote:
> in my experience, it tends to cause awkward side effects that are hard to
> debug, the main problem being that it overrides all default paths and is
> hard to target at a single problematic application.

I think it's fairly straightforward to prepend a library path to the ld
library path without overriding all defaults with something like this
(for bash):

LD_LIBRARY_PATH=/new/ld/path:$LD_LIBRARY_PATH

jamie.