[MPlayer-users] HAVE_PTHREAD_CANCEL / FFmpeg a8d8e86

[Andy Furniss]

Josh wrote:
> http://git.videolan.org/?p=ffmpeg.git;a=commit;h=a8d8e868c6154f63a9229f913434aaa21833e488
>
>
> Don't wanna be a bother again. I've had some free time from work. It
> seems MinGW/Windows (mingw.org) now requires HAVE_PTHREAD_CANCEL to be
> defined from that commit in FFmpeg. I compile with pthreads
> (pthreads-w32 2.9.0--the latest 2.9.1 doesn't work with MPlayer nor
> x264) but it doesn't support pthread_cancel (according to FFmpeg's
> configure).
>
> I set HAVE_PTHREAD_CANCEL 0, but again it could be different for another
> environment/pthreads lib.
>
> CC      libavformat/txd.o
> CC      libavformat/udp.o
> In file included from libavformat/network.h:28:0,
>                   from libavformat/udp.c:36:
> libavformat/os_support.h:41:0: warning: "fstat" redefined [enabled by
> default]
> e:\buildsys\mingw\bin\../lib/gcc/mingw32/4.6.2/../../../../include/sys/stat.h:276:0:
> note: this is the location of the previous definition
> libavformat/udp.c:40:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c:68:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c: In function 'udp_set_multicast_sources':
> libavformat/udp.c:195:5: warning: "HAVE_STRUCT_GROUP_SOURCE_REQ" is not
> defined [-Wundef]
> libavformat/udp.c:223:7: warning: "HAVE_STRUCT_IP_MREQ_SOURCE" is not
> defined [-Wundef]
> libavformat/udp.c: At top level:
> libavformat/udp.c:402:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c: In function 'udp_open':
> libavformat/udp.c:499:18: error: 'HAVE_PTHREAD_CANCEL' undeclared (first
> use in this function)
> libavformat/udp.c:499:18: note: each undeclared identifier is reported
> only once for each function it appears in
> libavformat/udp.c:652:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c:678:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c: In function 'udp_read':
> libavformat/udp.c:699:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c:697:16: warning: unused variable 'nonblock'
> [-Wunused-variable]
> libavformat/udp.c:697:9: warning: unused variable 'avail'
> [-Wunused-variable]
> libavformat/udp.c: In function 'udp_close':
> libavformat/udp.c:779:5: warning: "HAVE_PTHREAD_CANCEL" is not defined
> [-Wundef]
> libavformat/udp.c:774:9: warning: unused variable 'ret' [-Wunused-variable]
> make[1]: *** [libavformat/udp.o] Error 1
> make[1]: Leaving directory `/home/Joshua/mplayer/ffmpeg'
> make: *** [ffmpeg/libavformat/libavformat.a] Error 2
>
> A lot of other stuff is undefined but `if (!HAVE_PTHREADS_CANCEL)`
> bothers the compiler.


I've just hit this one compiling on Linux.

Looks like the `if (!HAVE_PTHREADS_CANCEL)` were added to ffmpeg about 
12 hours ago.