Re: set env affects host?

[Paul Koning <pkoning at equallogic dot com>]

>>>>> "Graeme" == Graeme Peterson <gp@qnx.com> writes:

 Graeme> Well, I think I have answered my own question by checking in
 Graeme> the source.  I found a comment in solib.c for solib_open that
 Graeme> says that solib symbols are found in the inferior's
 Graeme> LD_LIBRARY_PATH, and never in the host's.  So I guess that is
 Graeme> that.  :-)

 Graeme> Search order: * If path is absolute, look in
 Graeme> SOLIB_ABSOLUTE_PREFIX.  * If path is absolute or relative,
 Graeme> look for it literally (unmodified).  * Look in
 Graeme> SOLIB_SEARCH_PATH.  * Look in inferior's $PATH.  * Look in
 Graeme> inferior's $LD_LIBRARY_PATH.

 Graeme> Anyone care to comment on the rationale behind the behavior?
 Graeme> Clearly it seemed reasonable to me to find the solibs for
 Graeme> symbols in the host's LD_LIBRARY_PATH, but that is wrong.

Looking in the host LD_LIBRARY_PATH, or for that matter using absolute
names literally, is likely to be wrong for cross-debugging.
Fortunately the literal lookup is not the first thing tried, but as
far as I'm concerned it might as well go away entirely if host !=
target. 

	paul