{ stdenv, fetchurl, libX11, libXext, gettext, libICE, libXtst, libXi, libSM, xorgserver
, autoconf, automake, cvs, libtool, nasm, utilmacros, pixman, xkbcomp, xkeyboard_config
, fontDirectories, fontutil, libgcrypt, gnutls, pam, flex, bison
, fixesproto, damageproto, xcmiscproto, bigreqsproto, randrproto, renderproto
, fontsproto, videoproto, compositeproto, scrnsaverproto, resourceproto
, libxkbfile, libXfont, libpciaccess, cmake, libjpeg_turbo, libXft, fltk, libXinerama
, xineramaproto, libXcursor, fetchsvn, libxcrypt
}:

with stdenv.lib;

stdenv.mkDerivation rec {
  # Release version = "1.2.0";
  revision = 5005;
  version = "r${toString revision}";
  name = "tigervnc-${version}";
  
  src = fetchsvn {
    # Release url = "mirror://sourceforge/tigervnc/${version}/${name}.tar.gz";
    url = "https://tigervnc.svn.sourceforge.net/svnroot/tigervnc/trunk";
    rev = revision;
    sha256 = "2401e0ede9a2d50a37caeb094e5e832d24878749239578f44ae2acd42de01b43";
  };

  inherit fontDirectories;

  patchPhase = ''
    sed -i -e 's,$(includedir)/pixman-1,${if stdenv ? cross then pixman.hostDrv else pixman}/include/pixman-1,' unix/xserver/hw/vnc/Makefile.am
    sed -i -e '/^$pidFile/a$ENV{XKB_BINDIR}="${if stdenv ? cross then xkbcomp.hostDrv else xkbcomp}/bin";' unix/vncserver 
    sed -i -e '/^\$cmd \.= " -pn";/a$cmd .= " -xkbdir ${if stdenv ? cross then xkeyboard_config.hostDrv else xkeyboard_config}/etc/X11/xkb";' unix/vncserver 

    fontPath=
    for i in $fontDirectories; do
      for j in $(find $i -name fonts.dir); do
        addToSearchPathWithCustomDelimiter "," fontPath $(dirname $j)
      done
    done
    
    sed -i -e '/^\$cmd \.= " -pn";/a$cmd .= " -fp '"$fontPath"'";' unix/vncserver 
  '';

  # I don't know why I can't use in the script
  # this:  ${concatStringsSep " " (map (f: "${f}") xorgserver.patches)}
  xorgPatches = xorgserver.patches;

  dontUseCmakeBuildDir = "yes";

  postBuild = ''
    export NIX_CFLAGS_COMPILE="$NIX_CFLAGS_COMPILE -fpermissive -Wno-error=int-to-pointer-cast"

    # Build Xvnc
    tar xf ${xorgserver.src}
    cp -R xorg*/* unix/xserver
    pushd unix/xserver
    for a in $xorgPatches
    do
      patch -p1 < $a
    done
    patch -p1 < ../xserver113.patch
    autoreconf -vfi
    ./configure $configureFlags --disable-xinerama --disable-xvfb --disable-xnest --disable-xorg --disable-dmx --disable-dri --disable-dri2 --disable-glx --prefix="$out"
    make TIGERVNC_SRCDIR=`pwd`/../..
    popd
  '';

  postInstall = ''
    pushd unix/xserver
    make TIGERVNC_SRCDIR=`pwd`/../.. install
  '';

  crossAttrs = {
    buildInputs = (map (x : x.hostDrv) (buildInputs ++ [
      fixesproto damageproto xcmiscproto bigreqsproto randrproto renderproto
      fontsproto videoproto compositeproto scrnsaverproto resourceproto
      libxkbfile libXfont libpciaccess xineramaproto
    ]));
  };

  buildInputs =
    [ libX11 libXext gettext libICE libXtst libXi libSM libXft
      nasm libgcrypt gnutls pam pixman libjpeg_turbo fltk xineramaproto
      libXinerama libXcursor libxcrypt
    ];
  
  buildNativeInputs = 
    [ autoconf automake cvs utilmacros fontutil libtool flex bison 
      cmake
    ] 
      ++ xorgserver.buildNativeInputs;

  propagatedBuildNativeInputs = xorgserver.propagatedBuildNativeInputs;

  meta = {
    homepage = http://www.tigervnc.org/;
    license = "GPLv2+";
    description = "Fork of tightVNC, made in cooperation with VirtualGL";
    maintainers = with stdenv.lib.maintainers; [viric];
    platforms = with stdenv.lib.platforms; linux;
  };

}