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{ 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.isAarch ''
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 ];
};
}
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