Re: RFC: Fix ever-growing LD_LIBRARY_PATH

[Mark Mitchell <mark at codesourcery dot com>]

Richard Sandiford wrote:

> g++_link_flags says:
>
> 	global env;
> 	if { [info exists env(LD_LIBRARY_PATH)] 
> 	     && $env(LD_LIBRARY_PATH) != "" } {
> 		append ld_library_path ":$env(LD_LIBRARY_PATH)";
> 	}
> 	setenv  LD_LIBRARY_PATH     $ld_library_path
>
> ...which has the effect of adding $ld_library_path to LD_LIBRARY_PATH
> every time g++_init is called.  That happens quite often during check-g++,
> especially when testing more than one multilib.  On IRIX, I found it
> was eventually growing so big that it hit the system limit.
>
> The patch below fixes this and the copy in gfortran.exp.  Tested on
> mips-sgi-irix6.5.  OK to install?
I think you should split the existing value by colons; otherwise, you 
could think you have a match when the desired LD_LIBRARY_PATH is a 
substring of something in the existing value.  OK with that change, and 
appropriate testing.

--
Mark Mitchell
CodeSourcery, LLC
(916) 791-8304
mark@codesourcery.com