[MPlayer-users] make: error: 'CONFIG_MSMPEG4DEC' undeclared

[Reimar Döffinger]

> On 15 Aug 2022, at 21:58, max muster <steyding-at-yahoo.de at ffmpeg.org> wrote:
> CC      libavcodec/h263dec.o
> In file included from libavcodec/h263dec.c:42:
> libavcodec/internal.h:36:5: warning: "CONFIG_LCMS2" is not defined, evaluates to 0 [-Wundef]
>    36 | #if CONFIG_LCMS2
>       |     ^~~~~~~~~~~~
> libavcodec/internal.h:162:5: warning: "CONFIG_LCMS2" is not defined, evaluates to 0 [-Wundef]
>   162 | #if CONFIG_LCMS2
>       |     ^~~~~~~~~~~~
> libavcodec/h263dec.c: In function 'ff_h263_decode_frame':
> libavcodec/h263dec.c:505:16: error: 'CONFIG_MSMPEG4DEC' undeclared (first use in this function); did you mean 'CONFIG_MPEG_ER'?
>   505 |     } else if (CONFIG_MSMPEG4DEC && s->msmpeg4_version) {

It's fixed now.
Building against an external FFmpeg is also a possible workaround.
I sometimes forget to look in here for a while as usually there aren't many messages, so it's fine to CC me on such build issues. It's not a guarantee for a faster fix, but it can't hurt :)

Best regards,
Reimar