[MPlayer-users] make: *** [Makefile:744: ffmpeg/libavcodec/libavcodec.a] Error 2

[Antonio Olivares]

libavcodec/vp9recon.c: In function 'ff_vp9_intra_recon_16bpp':
libavcodec/vp9recon.c:97:18: note: 'top' was declared here
   97 |         uint8_t *top, *topleft;
      |                  ^~~
./libavutil/intreadwrite.h:594:59: warning: 'topleft' may be used uninitialized [-Wmaybe-uninitialized]
  594 |     (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)
      |                                                           ^~
libavcodec/vp9recon.c:97:24: note: 'topleft' was declared here
   97 |         uint8_t *top, *topleft;
      |                        ^~~~~~~
In function 'check_intra_mode',
    inlined from 'intra_recon' at libavcodec/vp9recon.c:244:20,
    inlined from 'ff_vp9_intra_recon_16bpp' at libavcodec/vp9recon.c:295:5:
libavcodec/vp9recon.c:178:21: warning: 'top' may be used uninitialized [-Wmaybe-uninitialized]
  178 |                     memcpy(&(*a)[4 * bytesperpixel], &top[4 * bytesperpixel], 4 * bytesperpixel);
      |                     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
libavcodec/vp9recon.c: In function 'ff_vp9_intra_recon_16bpp':
libavcodec/vp9recon.c:97:18: note: 'top' was declared here
   97 |         uint8_t *top, *topleft;
      |                  ^~~
./libavutil/intreadwrite.h:594:59: warning: 'topleft' may be used uninitialized [-Wmaybe-uninitialized]
  594 |     (((av_alias##n*)(d))->u##n = ((const av_alias##n*)(s))->u##n)
      |                                                           ^~
libavcodec/vp9recon.c:97:24: note: 'topleft' was declared here
   97 |         uint8_t *top, *topleft;
      |                        ^~~~~~~
make[1]: Leaving directory '/home/olivares/Downloads/mplayer/ffmpeg'
make: *** [Makefile:744: ffmpeg/libavcodec/libavcodec.a] Error 2

[olivares at fedora mplayer]$ sudo make install
make -C ffmpeg libswscale/libswscale.a
make[1]: Entering directory '/home/olivares/Downloads/mplayer/ffmpeg'
CC    libswscale/utils.o
In file included from ./libavutil/intreadwrite.h:25,
                 from libswscale/utils.c:45:
./libavutil/bswap.h:43:7: warning: "ARCH_RISCV" is not defined, evaluates to 0 [-Wundef]
   43 | #elif ARCH_RISCV
      |       ^~~~~~~~~~
In file included from ./libavutil/common.h:88,
                 from ./libavutil/avutil.h:296,
                 from ./libavutil/opt.h:31,
                 from libswscale/utils.c:48:
./libavutil/intmath.h:31:7: warning: "ARCH_RISCV" is not defined, evaluates to 0 [-Wundef]
   31 | #elif ARCH_RISCV
      |       ^~~~~~~~~~
In file included from ./libavutil/internal.h:43,
                 from ./libavutil/common.h:575:
./libavutil/timer.h:60:7: warning: "ARCH_RISCV" is not defined, evaluates to 0 [-Wundef]
   60 | #elif ARCH_RISCV
      |       ^~~~~~~~~~
In file included from ./libavutil/aarch64/cpu.h:23,
                 from libswscale/utils.c:52:
libswscale/utils.c: In function 'initFilter':
./libavutil/cpu_internal.h:27:6: error: 'HAVE_LASX' undeclared (first use in this function); did you mean 'HAVE_YASM'?
   27 |     (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
      |      ^~~~~
./libavutil/cpu_internal.h:43:31: note: in expansion of macro 'CPUEXT_SUFFIX'
   43 | #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
      |                               ^~~~~~~~~~~~~
./libavutil/loongarch/cpu.h:29:26: note: in expansion of macro 'CPUEXT'
   29 | #define have_lasx(flags) CPUEXT(flags, LASX)
      |                          ^~~~~~
libswscale/utils.c:663:9: note: in expansion of macro 'have_lasx'
  663 |     if (have_lasx(cpu_flags)) {
      |         ^~~~~~~~~
./libavutil/cpu_internal.h:27:6: note: each undeclared identifier is reported only once for each function it appears in
   27 |     (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
      |      ^~~~~
./libavutil/cpu_internal.h:43:31: note: in expansion of macro 'CPUEXT_SUFFIX'
   43 | #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
      |                               ^~~~~~~~~~~~~
./libavutil/loongarch/cpu.h:29:26: note: in expansion of macro 'CPUEXT'
   29 | #define have_lasx(flags) CPUEXT(flags, LASX)
      |                          ^~~~~~
libswscale/utils.c:663:9: note: in expansion of macro 'have_lasx'
  663 |     if (have_lasx(cpu_flags)) {
      |         ^~~~~~~~~
libswscale/utils.c: In function 'sws_init_context':
./libavutil/cpu_internal.h:27:6: error: 'HAVE_LASX' undeclared (first use in this function); did you mean 'HAVE_YASM'?
   27 |     (HAVE_ ## cpuext ## suffix && ((flags) & AV_CPU_FLAG_ ## cpuext))
      |      ^~~~~
./libavutil/cpu_internal.h:43:31: note: in expansion of macro 'CPUEXT_SUFFIX'
   43 | #define CPUEXT(flags, cpuext) CPUEXT_SUFFIX(flags, , cpuext)
      |                               ^~~~~~~~~~~~~
./libavutil/loongarch/cpu.h:29:26: note: in expansion of macro 'CPUEXT'
   29 | #define have_lasx(flags) CPUEXT(flags, LASX)
      |                          ^~~~~~
libswscale/utils.c:1858:37: note: in expansion of macro 'have_lasx'
 1858 |                                     have_lasx(cpu_flags)   ? 8 : 1;
      |                                     ^~~~~~~~~
make[1]: *** [ffbuild/common.mak:81: libswscale/utils.o] Error 1
make[1]: Leaving directory '/home/olivares/Downloads/mplayer/ffmpeg'
make: *** [Makefile:744: ffmpeg/libswscale/libswscale.a] Error 2
[olivares at fedora mplayer]$
On Fedora 36



Thanks,

Antonio