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

{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, libxml2, pcre
, darwin}:

stdenv.mkDerivation rec {
  pname = "opencollada";

  version = "1.6.68";

  src = fetchFromGitHub {
    owner = "KhronosGroup";
    repo = "OpenCOLLADA";
    rev = "v${version}";
    sha256 = "1ym16fxx9qhf952vva71sdzgbm7ifis0h1n5fj1bfdj8zvvkbw5w";
  };

  nativeBuildInputs = [ cmake pkg-config ];
  buildInputs = lib.optionals stdenv.isDarwin (with darwin.apple_sdk.frameworks; [ AGL ]);

  propagatedBuildInputs = [ libxml2 pcre ];

  patchPhase = ''
    patch -p1 < ${./pcre.patch}
  '' + lib.optionalString stdenv.isDarwin ''
    substituteInPlace GeneratedSaxParser/src/GeneratedSaxParserUtils.cpp \
      --replace math.h cmath
  '';

  meta = {
    description = "A library for handling the COLLADA file format";
    homepage = "https://github.com/KhronosGroup/OpenCOLLADA/";
    maintainers = [ lib.maintainers.eelco ];
    platforms = lib.platforms.unix;
    license = lib.licenses.mit;
  };
}