Arch Linux

My custom PKGBUILD for libav

depends=('alsa-lib' 'libfdk-aac' 'libvorbis-aotuv' 'lame')
makedepends=('yasm')
provides=('ffmpeg')
conflicts=('ffmpeg')
source=(http://libav.org/releases/$pkgname-$pkgver.tar.xz)

build() {
cd "$srcdir/$pkgname-$pkgver"
./configure --prefix=/usr \
--disable-static --enable-shared \
--disable-debug \
--enable-gpl \
--enable-version3 \
--enable-nonfree \
--disable-avplay \
--disable-avprobe \
--disable-avserver \
--disable-doc \
--disable-protocols \
--enable-protocol=file \
--enable-protocol=mmsh \
--enable-protocol=mmst \
--enable-protocol=rtp \
--enable-protocol=http \
--disable-avdevice \
--disable-devices \
--enable-libvorbis \
--enable-libmp3lame \
--enable-libfdk_aac \
--disable-encoders \
--enable-encoder=rawvideo \
--enable-encoder=flac \
--enable-encoder=pcm_s8 \
--enable-encoder=pcm_s16le \
--enable-encoder=pcm_s24le \
--enable-encoder=pcm_s32le \
--enable-encoder=pcm_f32le \
--enable-encoder=libvorbis \
--enable-encoder=libmp3lame \
--enable-encoder=libfdk_aac
make
}

package() {
cd "$srcdir/$pkgname-$pkgver"
make DESTDIR="$pkgdir/" install
rm -rf "$pkgdir/share"
}

Add avxsynth-git and vapoursynth to optdepends for avisynth script