Re: [PATCH]: bump minimum MPFR version, (includes some fortranbits)

[Adrian Bunk <bunk at stusta dot de>]

On Tue, Oct 14, 2008 at 02:37:13PM +0200, Tobias SchlÃter wrote:
> Markus Milleder wrote:
>> Adrian Bunk schrieb am 13.10.2008 17:41:15:
>>> E.g. the next stable release of Debian will likely ship with 2.3.1 .
>>> So in this specific case fulfilling a 2.3.1 requirement would be easy,
>>> while a 2.3.2 requirement would make it much harder to build gcc 4.4 .
>>>
>> Much harder ?
>>
>> I don't think anybody who tries to build GCC from source will have any
>> problem building MPFR first.
>
> They don't even need to do this, as mpfr can be built in-tree.  It then  
> also won't interfere with a system-wide mpfr.
> 
>> I can see how a distribution will probably want to have at least the
>> MPFR version GCC demands, which would force an MPFR upgrade to
>> accompany a GCC 4.4 package.
>>
>>> And upgrading from 2.3.1 to let's say 3.0.0 might be a bad choice if
>>> the new version contains regressions.
>
> This is moot because for the reason given above, these hypothetical  
> regressions are restricted to gcc if the person building gcc is careful.

"careful" = uses an undocumented trick ?

Or where at http://gcc.gnu.org/install/ is this documented?

> Cheers,
> - Tobi

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed