[Rivet] GSL headers in non-standard location

[Frank Siegert]

Hi Holger,

Holger Schulz, Thursday 23 July 2009:
> is it possible to tell the rivet installer where to find the gsl
> headers?

Do you mean your path to the GSL headers is different from what it picks 
up automatically when you specify the --with-gsl=<DIR> switch?

Frank