[FFmpeg-devel] [PATCH] configure: warn about disabled explicitly enabled components

[Marton Balint]

On Sun, 10 Feb 2019, Marton Balint wrote:

>
>
> On Sat, 9 Feb 2019, Marton Balint wrote:
>
>>
>>
>> On Sat, 9 Feb 2019, Carl Eugen Hoyos wrote:
>>
>>> 2019-02-05 22:14 GMT+01:00, Marton Balint <cus at passwd.hu>:
>>>> If we enable a component but a dependant library is disabled, then the
>>>> enabled
>>>> component gets silently disabled. Warning about disabled explicitly 
>> enabled
>>>> components
>>>> allows configure to show the missing dependencies and if --fatal-warnings 
>> is
>>>> used it can also fail if the user wants it so.
>>>>
>>>> For example if libdav1d is not availble ./configure
>>>> --enable-decoder=libdav1d
>>>> succeeds but the libdav1d decoder is not be enabled. After the patch
>>>> configure
>>>> will warn about this:
>>>>
>>>> WARNING: Disabled libdav1d_decoder because not all dependencies are
>>>> satisfied: libdav1d
>>>
>>> The patch produces many warnings for:
>>> $ ./configure --disable-everything --enable-decoder=mp*
>>> Is this intended?
>>
>> It reports only disabled decoders which start with mp, so it works as it 
>> should the way I see it.
>>
>
> Will push this soon.

Applied.

Regards,
Marton