Hi, When using an ffmpeg.exe built using msys and the msvc toolchain, at run time a warning is displayed [udp @ 00395860] 'circular_buffer_size' option was set but it is not supported on this build (pthread support is required)
So, I wanted to enable pthread I downloaded pthread-win32 Added the include and lib paths to the INCLUDE and PATH environment variables started visual studio 2013 desktop express vsvars.bat and started msys.bat and did ../configure --toolchain=msvc --enable-pthreads --extra-libs=pthreadVC2.lib output of configure now showed "threading support pthreads" instead of "threading support win32threads" and the runtime warning went away :-) but while "make"ing it shows few warnings CC libavdevice/alldevices.o cl : Command line warning D9002 : ignoring unknown option '-pthread' and LD libavutil/avutil-54.dll LINK : warning LNK4044: unrecognized option '/pthread'; ignored As I understand "-pthread" is gcc specific, and I think it should not be used with msvc's cl.exe. But do I need to worry about the macros _REENTRANT or __USE_REENTRANT as mentioned here http://stackoverflow.com/questions/2127797/gcc-significance-of-pthread-flag-when-compiling and http://stackoverflow.com/questions/23250863/difference-between-pthread-and-lpthread-while-compiling ? Thanks Ramprasad _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
