[FFmpeg-devel] ERROR: avisynth/avisynth_c.h not found

[Ricardo Constantino]

On Tue, 7 Apr 2020 at 09:42, Ricardo Constantino <wiiaboo at gmail.com> wrote:

>
>
> On Mon, 6 Apr 2020 at 23:42, Helmut K. C. Tessarek <tessarek at evermeet.cx>
> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA512
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>>
>> On 2020-04-05 20:02, Marton Balint wrote:
>> > The headers got removed because the ffmpeg source tree is no place for
>> > third party library headers.
>>
>> I get that and it makes sense.
>>
>> > Yes, avisynth was an exception, not anymore.
>>
>> I also get that, but the commit message should have mentioned that.
>>
>> > Actually with the change it got documented that you need to install the
>> > headers.
>> >
>> > https://www.ffmpeg.org/general.html#AviSynth
>>
>> Thanks for the info. Yet again, I would have expected something in the
>> commit message.
>> I ususally don't care, but this commit broke the build process.
>>
>> > Sometimes you have to follow up on your compile scripts to be able to
>> > build the newest ffmpeg. Considering that how easy avisynth upstream
>> made
>> > it to install the headers, I am sure this is only a small nuisance.
>>
>> I can't tell you how often I had to change the script to compile ffmpeg.
>>
>> It's not a problem, but when I run into a compile issue, I check what the
>> problem was. "header missing" pointed me to commit 0c75acb4ce
>> (compat/avisynth: remove avisynth headers), yet there was nothing in the
>> commit message.
>>
>
> It was eventually documented, in a later commit:
>
> http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=7b0f7a7f3b6bf09c076c23d0701bf42a2c997ca2;hp=bef3c14dd1a9a38d996497da7ea416aa372283bf
>
>

And also in an earlier commit, close to when the headers were removed:
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=6e959ad680288e34eccb4ee2dd205e4ffa495f95;hp=6d8cddd1c67758636843f6a08295b3896c2e9ef8


>
>> Cheers,
>>   K. C.
>>
>> - --
>> regards Helmut K. C. Tessarek              KeyID 0x172380A011EF4944
>> Key fingerprint = 8A55 70C1 BD85 D34E ADBC 386C 1723 80A0 11EF 4944
>>
>> /*
>>    Thou shalt not follow the NULL pointer for chaos and madness
>>    await thee at its end.
>> */
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