[libstdc++] Also set LD_RUN_PATH in testsuite, add comments

[Janis Johnson]

On Mon, Jun 30, 2003 at 01:19:27PM -0400, Phil Edwards wrote:
> The second attachment is just for reference.  It's a one-line change to
> an installation of dejagnu.  The effect is to not delete executables after
> trying to run them, so that a maintainence programmer doesn't have to try
> and recreate the same environment to build them by hand.
> 
> (If a dejagnu expert knows how to make this change outside of system files,
> I'd love to hear it.  dg-test is set up to take arbitrary options, and
> dg-runtest is sort of set up to do the same, /but/ dg-runtest passes the
> flags to dg-test in such a way that only tool-specific flags can be passed,
> i.e., compiler otpions, but not dejagnu options.)

Try setting a variable in ~/.expect.rc, or in a file of that name in
a directory specified by DOTDIR.

I'd like to document tips like this somewhere but am not sure where; we
ought to mention general documentation for expect, tcl, and dejagnu, and
then list some general useful tips.

Janis