Build portability: enable or disable warnings

[Andrew Haley]

On 05/16/2011 07:59 PM, Dmitry Samersoff wrote:
> 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.

No: their patches don't force anything, only changing the default.
The user's choice is honoured.

Andrew.