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{ stdenv, lib, fetchurl, nasm }:
stdenv.mkDerivation rec {
pname = "x264";
version = "20191217-2245";
src = fetchurl {
url = "https://download.videolan.org/x264/snapshots/x264-snapshot-${version}-stable.tar.bz2";
sha256 = "0q214q4rhbhigyx3dfhp6d5v5gzln01cxccl153ps5ih567mqjdj";
};
# Upstream ./configure greps for (-mcpu|-march|-mfpu) in CFLAGS, which in nix
# is put in the cc wrapper anyway.
patches = [ ./disable-arm-neon-default.patch ];
postPatch = ''
patchShebangs .
'';
enableParallelBuilding = true;
outputs = [ "out" "lib" "dev" ];
preConfigure = lib.optionalString (stdenv.buildPlatform.isx86_64 || stdenv.hostPlatform.isi686) ''
# `AS' is set to the binutils assembler, but we need nasm
unset AS
'' + lib.optionalString (stdenv.hostPlatform.isAarch64 || stdenv.hostPlatform.isAarch32) ''
export AS=$CC
'';
configureFlags = [ "--enable-shared" ]
++ stdenv.lib.optional (!stdenv.isi686) "--enable-pic"
++ stdenv.lib.optional (stdenv.buildPlatform != stdenv.hostPlatform) "--cross-prefix=${stdenv.cc.targetPrefix}";
nativeBuildInputs = lib.optional (stdenv.hostPlatform.isx86_64 || stdenv.hostPlatform.isi686) nasm;
meta = with stdenv.lib; {
description = "Library for encoding H264/AVC video streams";
homepage = "http://www.videolan.org/developers/x264.html";
license = licenses.gpl2;
platforms = platforms.unix;
maintainers = with maintainers; [ spwhitt tadeokondrak ];
};
}
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