--- doc/general.texi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/doc/general.texi b/doc/general.texi index bafa1e2ea2..98e4704d86 100644 --- a/doc/general.texi +++ b/doc/general.texi @@ -51,6 +51,16 @@ For Windows, supported AviSynth variants are For Linux and OS X, the supported AviSynth variant is @url{https://github.com/avxsynth/avxsynth, AvxSynth}. +@float NOTE +Due to the eccentricities of Windows' calling conventions, 32-bit GCC builds +of AviSynth+ are not compatible with typical 32-bit GCC builds of FFmpeg. + +Support for 32-bit GCC builds of AviSynth+ can be enabled by passing +@code{-DAVSC_WIN32_GCC32} to @code{--extra-cflags}. However, doing so will +make the resulting build of FFmpeg incompatible with typical 32-bit MSVC +builds of AviSynth+. +@end float + @float NOTE AviSynth and AvxSynth are loaded dynamically. Distributors can build FFmpeg with @code{--enable-avisynth}, and the binaries will work regardless of the -- 2.19.1
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