Re: "Run tests with low max_cmd_len" on MSYS/MSVC

[Ralf Wildenhues]

* Bob Friesenhahn wrote on Thu, Jan 22, 2009 at 02:04:07AM CET:
> On Wed, 21 Jan 2009, Ralf Wildenhues wrote:
>>
>> We may need to think about speeding up func_to_host_path, e.g., by not
>> forking for arguments that don't need conversion, or by converting
>> several paths with a constant amount of forks.  But that can be done
>> separately.
>
> There is also the possibility of building a translation cache which is  
> preserved across libtool invokations.  The only concern is if the mounts 
> get changed after the cache is generated.

Indeed, that seems like a viable possibility, too.

I still think just excluding obviously safe cases will help in the vast
majority of practical cases: e.g.:
- file names without any directory separators,
- relative file names (in those cases where no conversion between
  directory separators is needed).

Cheers,
Ralf