diff options
| -rw-r--r-- | CMakeLists.txt | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt index ea01dfab3f..3047c3d895 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -2301,7 +2301,12 @@ endif() # FFmpeg 4.x support # FFmpeg is multimedia library that can be found http://ffmpeg.org/ find_package(FFMPEG COMPONENTS libavcodec libavformat libavutil libswresample) -cmake_dependent_option(FFMPEG "FFmpeg 4.x support" ON "FFMPEG_FOUND;FFMPEG_libavcodec_VERSION VERSION_GREATER_EQUAL 58" OFF) +# On Windows version numbers are not available! +if(FFMPEG_libavcodec_VERSION) + cmake_dependent_option(FFMPEG "FFmpeg 4.x support" ON "FFMPEG_FOUND;FFMPEG_libavcodec_VERSION VERSION_GREATER_EQUAL 58" OFF) +else() + cmake_dependent_option(FFMPEG "FFmpeg 4.x support" ON "FFMPEG_FOUND" OFF) +endif() if(FFMPEG) if(NOT FFMPEG_libavcodec_FOUND) message(FATAL_ERROR "FFmpeg support requires libavcodec and its development headers.") |