Re: [testsuite, ada, build] Allow for further differences in type output in run_acats

[Rainer Orth <ro at CeBiTec dot Uni-Bielefeld dot DE>]

"Joseph S. Myers" <joseph@codesourcery.com> writes:

> On Mon, 13 Dec 2010, Rainer Orth wrote:
>
>> > The only specific thing about ACATS is that it has support files that
>> > need to be generated and some source compiled before compiling and
>> > running any ACATS test. The ACATS test execution output is very regular
>> 
>> Indeed, and I plan to look into doing this once from make instead of
>> several times for each parallel check-acats sub-run.  It seems like a
>> total waste of time to do this more than once per multilib.
>
> Building testsuite support files from make is a bad idea; a key advantage 
> of using DejaGnu is that you can test an installed toolchain by creating a 
> suitable site.exp and using "runtest --tool whatever" without needing a 
> build tree for a particular toolchain component at all, and building 
> support files other than from the .exp files causes problems for that.

Ok, I see.  It still seems quite wasteful to build the support libs once
per parallel testsuite run instead of once per multilib, especially if
building them is expensive, as in libstdc++ and ACATS.  I expect this to
be doable once per multilib instead of the current variant.

	Rainer

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Rainer Orth, Center for Biotechnology, Bielefeld University