{ stdenv, fetchurl, fetchpatch, pkgconfig, bison, flex, unixODBC, gnome3
, openssl, openldap, cyrus_sasl, kerberos, expat, SDL, libdv, libv4l, alsaLib }:

stdenv.mkDerivation rec {
  pname = "ptlib";
  version = "2.10.11";

  src = fetchurl {
    url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
    sha256 = "1jf27mjz8vqnclhrhrpn7niz4c177kcjbd1hc7vn65ihcqfz05rs";
  };

  NIX_CFLAGS_COMPILE = "-std=gnu++98";

  nativeBuildInputs = [ pkgconfig ];
  buildInputs = [ bison flex unixODBC openssl openldap
                  cyrus_sasl kerberos expat SDL libdv libv4l alsaLib ];

  enableParallelBuilding = true;

  patches = [
    (fetchpatch { url = http://sources.debian.net/data/main/p/ptlib/2.10.11~dfsg-2.1/debian/patches/bison-fix;
      sha256 = "0vzv9kyn9s628z8wy2gva380gi1rmhxilwlg5pikl5a0wn8p46nw";
    })
    (fetchpatch { url = http://sources.debian.net/data/main/p/ptlib/2.10.11~dfsg-2.1/debian/patches/no-sslv3;
      sha256 = "172s1dnnrl54p9sf1nl7s475sm78rpw3p8jxi0pdx6izzl8hcdr0";
    })
    (fetchpatch {
      name = "openssl-1.1.patch";
      url = "https://git.archlinux.org/svntogit/packages.git/plain/trunk/openssl-1.1.0.patch?h=packages/ptlib&id=1dfa9f55e7e030d261228fca27dda82979ca7f30";
      sha256 = "11hdgyyibycg0wf5ls0wk9hksa4jd434i86xqiccbyg17n4l6lc1";
    })
    ./ptlib-2.10.11-glibc-2.26.patch
  ];

  # fix typedef clashes with unixODBC>=2.3.5
  postPatch = ''
    substituteInPlace include/ptlib/unix/ptlib/contain.h \
      --replace "typedef uintptr_t    UINT" "typedef unsigned int    UINT" \
      --replace "typedef wchar_t                 WCHAR" "typedef unsigned short          WCHAR"
  '';

  meta = with stdenv.lib; {
    description = "Portable Tools from OPAL VoIP";
    maintainers = [ maintainers.raskin ];
    homepage = "http://www.opalvoip.org/";
    platforms = platforms.linux;
    license = with licenses; [ beerware bsdOriginal mpl10 ];
  };

  passthru = {
    updateInfo = {
      downloadPage = "http://ftp.gnome.org/sources/ptlib/";
    };
    updateScript = gnome3.updateScript {
      packageName = pname;
    };
  };
}