Compilation failure with --disable-decoder=vp7 or --disable-decoder=vp8

[jamal]

$ ./configure --disable-decoder=vp7
[...]
$ make libavcodec/vp8.o
CC      libavcodec/vp8.o
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c: In function 'vp7_decode_frame_header':
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:580:5: error: implicit declaration of function 'vp7_get_quants' [-Werror=implicit-function-declaration]
     vp7_get_quants(s);
     ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c: In function 'vp78_decode_init':
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2726:38: error: 'vp7_decode_mb_row_no_filter' undeclared (first use in this function)
         s->decode_mb_row_no_filter = vp7_decode_mb_row_no_filter;
                                      ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2726:38: note: each undeclared identifier is reported only once for each function it appears in
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2727:38: error: 'vp7_filter_mb_row' undeclared (first use in this function)
         s->filter_mb_row           = vp7_filter_mb_row;
                                      ^
cc1.exe: some warnings being treated as errors
make: *** [libavcodec/vp8.o] Error 1

$ ./configure --disable-decoder=vp8
[...]
$ make libavcodec/vp8.o
CC      libavcodec/vp8.o
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c: In function 'vp8_decode_frame_header':
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:705:9: error: implicit declaration of function 'parse_segment_info' [-Werror=implicit-function-declaration]
         parse_segment_info(s);
         ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:715:13: error: implicit declaration of function 'update_lf_deltas' [-Werror=implicit-function-declaration]
             update_lf_deltas(s);
             ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:717:5: error: implicit declaration of function 'setup_partitions' [-Werror=implicit-function-declaration]
     if (setup_partitions(s, buf, buf_size)) {
     ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:728:5: error: implicit declaration of function 'vp8_get_quants' [-Werror=implicit-function-declaration]
     vp8_get_quants(s);
     ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:731:9: error: implicit declaration of function 'update_refs' [-Werror=implicit-function-declaration]
         update_refs(s);
         ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c: In function 'vp78_decode_init':
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2727:38: error: 'vp8_decode_mb_row_no_filter' undeclared (first use in this function)
         s->decode_mb_row_no_filter = vp8_decode_mb_row_no_filter;
                                      ^
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2727:38: note: each undeclared identifier is reported only once for each function it appears in
D:/MinGW/msys/1.0/ffmpeg/src/libavcodec/vp8.c:2728:38: error: 'vp8_filter_mb_row' undeclared (first use in this function)
         s->filter_mb_row           = vp8_filter_mb_row;
                                      ^
cc1.exe: some warnings being treated as errors
make: *** [libavcodec/vp8.o] Error 1

Also ​http://fate.ffmpeg.org/report.cgi?time=20140407034140&slot=x86_64-archlinux-gcc-random

Disabling both or enabling both of course works fine.

[Carl Eugen Hoyos]

Fixed in 836b60ce