2019-02-05 1:13 GMT+01:00, Hendrik Leppkes <h.lepp...@gmail.com>: > On Tue, Feb 5, 2019 at 1:01 AM Carl Eugen Hoyos <ceffm...@gmail.com> wrote: >> >> 2019-02-05 0:53 GMT+01:00, Marton Balint <c...@passwd.hu>: >> > >> > >> > On Tue, 5 Feb 2019, Carl Eugen Hoyos wrote: >> > >> >> 2019-02-03 16:24 GMT+01:00, Marton Balint <c...@passwd.hu>: >> >>> >> >>> >> >>> On Sun, 3 Feb 2019, Carl Eugen Hoyos wrote: >> >>> >> >>>> 2019-01-28 2:00 GMT+01:00, Marton Balint <c...@passwd.hu>: >> >>>>> If we enable a component but a dependant library is disabled, then >> >>>>> the >> >>>>> enabled >> >>>>> component get silently disabled. Requesting all explicitly enabled >> >>>>> components >> >>>>> allows configure to fail and show the missing dependencies instead >> >>>>> of >> >>>>> ignoring >> >>>>> our request. >> >>>>> >> >>>>> For example if libdav1d is not availble ./configure >> >>>>> --enable-decoder=libdav1d >> >>>>> succeeds but the libdav1d decoder will not be enabled. After the >> >>>>> patch >> >>>>> the >> >>>>> configure line will fail with the following message: >> >>>>> ERROR: libdav1d_decoder requested, but not all dependencies are >> >>>>> satisfied: >> >>>>> libdav1d >> >>>>> >> >>>>> Signed-off-by: Marton Balint <c...@passwd.hu> >> >>>>> --- >> >>>>> configure | 1 + >> >>>>> 1 file changed, 1 insertion(+) >> >>>>> >> >>>>> diff --git a/configure b/configure >> >>>>> index e1412352fa..1f6c6a7311 100755 >> >>>>> --- a/configure >> >>>>> +++ b/configure >> >>>>> @@ -3881,6 +3881,7 @@ for opt do >> >>>>> list=$(filter "$name" $list) >> >>>>> [ "$list" = "" ] && warn "Option $opt did not match >> >>>>> anything" >> >>>>> $action $list >> >>>> >> >>>>> + test $action = enable && request $list >> >>>> >> >>>> I strongly suspect that this will break regression tests. >> >>> >> >>> You mean fate with different configure options? >> >> >> >> No, I believe this would break regression tests with >> >> --disable-everything (and an enable for a feature that >> >> was added in the meantime and is needed to reproduce >> >> the issue). >> > >> > Could you give a more concrete example? I am not sure I >> > understand what you mean. >> >> $ ./configure --disable-everything --enable-bsf=prores_metadata >> currently does not fail for current FFmpeg and 936d18fb, this >> would change for future new features with your patch. >> > > What sort of testing would involve trying to enable a certain > component, and then *succeeding* when the component does not exist?
Several regression tests have needed that in the past, I find it strange that you seem to imply this will not happen in the future. Or is that not what you were saying? Carl Eugen _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel