{ stdenv, lib, fetchFromGitLab, nasm , enableShared ? !stdenv.hostPlatform.isStatic }: stdenv.mkDerivation rec { pname = "x264"; version = "unstable-2021-06-13"; src = fetchFromGitLab { domain = "code.videolan.org"; owner = "videolan"; repo = pname; rev = "5db6aa6cab1b146e07b60cc1736a01f21da01154"; sha256 = "0swyrkz6nvajivxvrr08py0jrfcsjvpxw78xm1k5gd9xbdrxvknh"; }; # 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=$CC ''; configureFlags = lib.optional enableShared "--enable-shared" ++ lib.optional (!stdenv.isi686) "--enable-pic" ++ lib.optional (stdenv.buildPlatform != stdenv.hostPlatform) "--cross-prefix=${stdenv.cc.targetPrefix}"; nativeBuildInputs = lib.optional stdenv.hostPlatform.isx86 nasm; meta = with lib; { description = "Library for encoding H264/AVC video streams"; homepage = "http://www.videolan.org/developers/x264.html"; license = licenses.gpl2Plus; platforms = platforms.unix; maintainers = with maintainers; [ spwhitt tadeokondrak ]; }; }