[FFmpeg-devel] Can't compile

[Matt Oliver]

On 10 May 2014 16:49, Masaru Nomiya <nomiya at galaxy.dti.ne.jp> wrote:

> Hello,
>
> I got the very latest git of ffmpeg, but can't compile;
>
> [...]
> In file included from /opt/AMDAPP/include/CL/cl.h:30:0,
>                  from libavutil/opencl.h:37,
>                  from libavutil/opencl.c:24:
> /opt/AMDAPP/include/CL/cl_platform.h:101:11: warning: "_WIN32" is not
> defined [-Wundef]
> CC      libavutil/opencl_internal.o
> In file included from /opt/AMDAPP/include/CL/cl.h:30:0,
>                  from libavutil/opencl.h:37,
>                  from libavutil/opencl_internal.h:23,
>                  from libavutil/opencl_internal.c:23:
> /opt/AMDAPP/include/CL/cl_platform.h:101:11: warning: "_WIN32" is not
> defined [-Wundef]
> CC      libavutil/opt.o
> libavutil/opencl.c:329:12: error: no previous prototype for
> 'init_opencl_mtx' [-Werror=missing-prototypes]
> libavutil/opencl.c: In function 'init_opencl_mtx':
> libavutil/opencl.c:341:9: warning: passing argument 1 of
> 'atomic_ptr_cas_gcc' from incompatible pointer type [enabled by default]
> In file included from libavutil/atomic.h:29:0,
>                  from libavutil/opencl.c:38:
> libavutil/atomic_gcc.h:49:21: note: expected 'void * volatile*' but
> argument is of type 'union pthread_mutex_t **'
> libavutil/opencl.c: At top level:
> libavutil/opencl.c:341:36: warning: 'atomic_opencl_lock' is static but
> used in inline function 'init_opencl_mtx' which is not static [enabled by
> default]
> libavutil/opencl.c:341:13: warning: 'atomic_ptr_cas_gcc' is static but
> used in inline function 'init_opencl_mtx' which is not static [enabled by
> default]
> libavutil/opencl.c:332:10: warning: 'atomic_opencl_lock' is static but
> used in inline function 'init_opencl_mtx' which is not static [enabled by
> default]
> cc1: some warnings being treated as errors
> make: *** [libavutil/opencl.o] Error 1
> make: *** Waiting for unfinished jobs....
> CC      libavutil/parseutils.o
> libavutil/opt.c: In function 'av_find_opt':
> libavutil/opt.c:49:5: warning: 'av_next_option' is deprecated (declared at
> libavutil/opt.h:437) [-Wdeprecated-declarations]
> libavutil/opt.c: In function 'av_opt_set_defaults':
> libavutil/opt.c:1148:5: warning: 'av_opt_set_defaults2' is deprecated
> (declared at libavutil/opt.h:460) [-Wdeprecated-declarations]
>
> Thanks,
>

What configure command line options are you using? Also what
environment/compiler did you use? From the complaints about _WIN32 and
atomic_ptr_cas_gcc im going to assume its a MinGW compiler but youll need
to identify which version.