[FFmpeg-devel] [RFC FIX] Build error with ffmpeg 3.1.3 (and current git) on cygwin

[Michael Fritscher]

Hi,

I try to build ffmpeg 3.1.3 on cygwin64 on Windows.



Output:
CC      cmdutils.o
cmdutils.c: In Funktion »init_dynload«:

      SetDllDirectory("");

My quick fix was to add

#if HAVE_SETDLLDIRECTORY
#include <windows.h>
#endif



In current git I found
#ifdef _WIN32
#include <windows.h>
#endif,



Best regards,
Michael Fritscher
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Configstring: ./configure --prefix=/usr/local --enable-ffplay --enable-ffmpeg --enable-ffserver --enable-gpl --enable-version3 --enable-nonfree --enable-shared --enable-libfreetype --enable-libgsm --enable-libmp3lame --enable-libopencv --enable-libtheora --enable-libvorbis --enable-libx264 --enable-libxvid --enable-ffplay --enable-outdev=sdl --enable-outdev=xv --enable-indev=dshow --enable-pthreads --enable-ffplay --enable-ffmpeg --enable-ffserver --enable-demuxer=mpegvideo --enable-parser=mpegvideo --enable-muxer=mpjpeg --enable-muxer=mjpeg --enable-demuxer=mjpeg --enable-parser=mjpeg cmdutils.c:115:5: Fehler: Implizite Deklaration der Funktion »SetDllDirectory« [-Werror=implicit-function-declaration] on line 64. Is this the right way to cope with this? At least it compiles, links and works ;-) which does not work under cygwin. Apparently _WIN32 is not defined in this environment.

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