[FFmpeg-user] Unable to build ffmpeg-4.0 on fedora 20 release

[JD]

On 04/26/2018 06:56 PM, Kieran O Leary wrote:
> On Fri, 27 Apr 2018, 01:29 JD, <jd1008 at gmail.com> wrote:
>
>> I would like to send the make output file to someone
>> who might want to look at all the warnings (deprecated calls), and errors.
>> Would someone please tell me where to upload the file or who to send it to.
>
> Can you not paste it into an email,or perhaps attach it if it is huge and
> maybe copy paste the last few relevant lines into the body of the email?
OK, here are the errors:

libavutil/hwcontext_vaapi.c:1169:5: error: unknown type name ‘VABufferInfo’
      VABufferInfo buffer_info;
      ^
libavutil/hwcontext_vaapi.c: In function ‘vaapi_unmap_to_drm_abh’:
libavutil/hwcontext_vaapi.c:1189:5: error: implicit declaration of 
function ‘vaReleaseBufferHandle’ [-Werror=implicit-function-declaration]
      vas = vaReleaseBufferHandle(hwctx->display, mapping->image.buf);
      ^
libavutil/hwcontext_vaapi.c: In function ‘vaapi_map_to_drm_abh’:
libavutil/hwcontext_vaapi.c:1246:25: error: request for member 
‘mem_type’ in something not a structure or union
      mapping->buffer_info.mem_type =
                          ^
libavutil/hwcontext_vaapi.c:1284:5: error: implicit declaration of 
function ‘vaAcquireBufferHandle’ [-Werror=implicit-function-declaration]
      vas = vaAcquireBufferHandle(hwctx->display, mapping->image.buf,
      ^
libavutil/hwcontext_vaapi.c:1296:32: error: request for member ‘handle’ 
in something not a structure or union
             mapping->buffer_info.handle);
                                 ^
libavutil/hwcontext_vaapi.c:1300:37: error: request for member ‘handle’ 
in something not a structure or union
          .fd   = mapping->buffer_info.handle,
                                      ^
cc1: some warnings being treated as errors
make: *** [libavutil/hwcontext_vaapi.o] Error 1

I know fc20 is unsupported, I do not want to upgrade it.