[RFA] testsuite cleanups (part 2)

[Michael Snyder]

Elena Zannoni wrote:

>Here, I am observing a peculiar situation. If you run the testsuite in
>a directory that is not the build directory, i.e. the gdb.blah object
>dirs are recreated outside of the build tree, you will see that all
>the tests which use pthreads.c will not compile. This is because
>pthreads.c includes "config.h" which gets created in the build
>gdb/testsuite directory at configure time. Config.h was used to
>determine if there is posix thread support or not, but now we use the
>method of trying to compile with various -lblah so we don't really
>need this anymore.  
>
>It took me a while to notice this failure because I have the bad habit
>of looking just at the unexpected failures, glossing over the
>unsupported results.
>
>OK?
>
>elena
>
>[PS. I assume I used the correct autoconf, but I am nost sure: I used the
>autoconf-000227 snapshot].
>

In view of the large diffs in configure, I suspect this is indeed the wrong
version of autoconf. The rest of the change is approved. If you don't
easily solve the autoconf issue, you might consider leaving configure
alone -- it's just an extra test...