Build portability: enable or disable warnings

[Dmitry Samersoff]

Andrew,

On 2011-05-16 21:12, Andrew Haley wrote:
> On 05/16/2011 05:50 PM, Dmitry Samersoff wrote:
>> Andrew,
>>
>> I guess we can add to build system something like
>>
>> ALT_COMPILER_FLAGS
>>
>> and turn on all warnings and -Werror by default.
>>
>> Having zero-warning build is good practice and it's not too costly.
>
> It'd drive you mad.  gcc's -Wall is really not suitable to be enabled
> by default; it was never intended for that.

OK.

  But in this case we have no reliable way to deal with "semi-crazy 
distros" as all our attempts to disable all but some important  warnings 
could be blocked by theirs patches.

-Dmitry


-- 
Dmitry Samersoff
Java Hotspot development team, SPB04
* There will come soft rains ...