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

Marton Balint cus at passwd.hu
Sat Feb 9 02:14:39 EET 2019

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.


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