[build, testsuite, v3] Increase gcc, g++, gfortran and libstdc++-v3 testsuite parallelism

[Benjamin Kosnik]

On Wed, 21 Jul 2010 11:54:17 +0200
Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> wrote:

> There's one partially related change included: even before this
> change, there could be a strange double summary line in
> mail-report.log:
> 
>                 === libstdc++ Summary ===
> 
> # of expected passes            13934
> # of unexpected failures        8
> # of unexpected successes       2
> # of expected failures          118
> # of unsupported tests          732
> 
>                 === libstdc++ Summary ===
> 
> I could trace this to the fact that currently no libstdc++ ABI
> baselines exist for Solaris 2 (being worked on), thus runtest abi.exp
> produces
> 
> [...]
>                 === libstdc++ Summary for unix ===
> 
> Running target unix/-m64
> Running /vol/gcc/src/hg/trunk/local/libstdc++-v3/testsuite/libstdc++-abi/abi.exp ...
> 
>                 === libstdc++ Summary for unix/-m64 ===
> 
> 
>                 === libstdc++ Summary ===
> 
> 
> This situation is likely to occur more often in the future when
> runtest is run with a .exp file that doesn't match any tests on a
> given platform (like i386.exp on SPARC).  The fix is trivial: only
> emit the summary line if any of the test counts is non-zero.

Sounds great to me. Feel free to check this part in as-is.

-benjamin