MixReady 0.3.3 builds ffmpeg 9.0.2 from the unmodified release https://ffmpeg.org/releases/ffmpeg-9.0.2.tar.xz (SHA-256 8c3850283eb25fa026482078a04051e0be17347b09ef81a0849bec15a96e002e) with:

  ./configure --disable-everything --disable-autodetect --disable-network --disable-doc --disable-debug --disable-ffplay --disable-ffprobe --disable-avdevice --disable-swscale --enable-static --disable-shared --enable-swresample --enable-protocol=file,pipe --enable-demuxer=mp3,mov,aac,flac,wav,aiff,ogg --enable-parser=mpegaudio,aac,flac,vorbis,opus --enable-decoder=mp3float,aac,alac,flac,vorbis,opus,pcm_s16le,pcm_s16be,pcm_s24le,pcm_s24be,pcm_s32le,pcm_s32be,pcm_f32le,pcm_f32be,pcm_f64le,pcm_f64be,pcm_u8,pcm_s8,pcm_alaw,pcm_mulaw --enable-filter=aresample,aformat,anull,atrim --enable-encoder=pcm_f32le --enable-muxer=wav --enable-pthreads --extra-cflags=-mmacosx-version-min=11.0 --extra-ldflags=-mmacosx-version-min=11.0