[PATCH v2] gdb/testsuite: Regenerate the testglue if it is not in path

[Tom Tromey]

>>>>> "Simon" == Simon Marchi <simark@simark.ca> writes:

Simon> I don't know what Tom was referring to when he talked about the cache
Simon> directory.  I see that the testsuite Makefile cleans a cache directory,
Simon> but I have no idea how things can end up there.  Tom, can you clarify?

If you write a gdb_caching_proc, it caches its result in the cache directory.
This can speed up parallel builds by avoiding excess work.

However in this case, I'm inclined to just let the patch in as-is, since
it's a specialty thing not affecting most test runs.

Tom