nixpkgs/pkgs/development/libraries/liboil/default.nix


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{lib, stdenv, fetchurl, pkg-config }:

stdenv.mkDerivation rec {
  pname = "liboil";
  version = "0.3.17";

  src = fetchurl {
    url = "${meta.homepage}/download/liboil-${version}.tar.gz";
    sha256 = "0sgwic99hxlb1av8cm0albzh8myb7r3lpcwxfm606l0bkc3h4pqh";
  };

  patches = [ ./x86_64-cpuid.patch ];

  outputs = [ "out" "dev" "devdoc" ];
  outputBin = "dev"; # oil-bugreport

  nativeBuildInputs = [ pkg-config ];

  # fix "argb_paint_i386.c:53:Incorrect register `%rax' used with `l' suffix"
  # errors
  configureFlags = lib.optional (stdenv.isDarwin && stdenv.isx86_64) "--build=x86_64";

  # fixes a cast in inline asm: easier than patching
  buildFlags = lib.optional stdenv.isDarwin "CFLAGS=-fheinous-gnu-extensions";

  meta = with lib; {
    description = "A library of simple functions that are optimized for various CPUs";
    homepage    = "https://liboil.freedesktop.org";
    license     = licenses.bsd2;
    maintainers = with maintainers; [ lovek323 ];
    platforms   = platforms.all;
  };
}