PING: [Ada] Run ACATS tests through an expect script

[Matthias Klose]

James A. Morrison writes:
> 
>  PING: http://gcc.gnu.org/ml/gcc-patches/2004-11/msg02484.html
>         PR ada/18302
>         * Make-lang.in (check-gnat): Set EXPECT environment variable.
> 
> testsuite:
>         PR ada/18302
>         * ada/acats/run_all.sh (target_run): Run test through run_test.expect.
>         * ada/acats/run_test.expect: Expect script for ACATS tests.

the output of the ada/acats/run_test.expect scripts is used when
generating the acats support files, so  'spawn -noecho' should be
used.

	Matthias