Was needed and was tested on Ubuntu 14.04.

  Many distributions have a policy to reduce code duplications.
  One means to avoid such duplications is to use shared libraries
  instead of using libs that are ofter shipped for convenience.

  Fedora:
  http://fedoraproject.org/wiki/Packaging:Guidelines#Shared_Libraries

  Debian (Section 10.7.4 of Debian policy):
  http://www.debian.org/doc/debian-policy/ch-files.html

  Depending on the binary name of the agent either NXAgent
  or X2GoAgent is set as WM_Class.

  This is needed for some window managers (like the one shipped with
  Maemo)

  The original WM_CLASS patch has been taken from the FreeNX patch
  series, author unknown.

  The nxagent/x2goagent has been done by the X2Go Project, author
  see below.

Force NX proxy to bind to loopback devices only (loopback option) (220_nxproxy_bind-loopback-only.full+lite.patch).

Set default pack and link options to avoid damage of session (211_nxcomp_set_default_options.full+lite.patch).

  210_nxagent_save_session_state.full.patch
  210_nxcomp_save_session_state.full+lite.patch

  This patch adds a "state" option to NX (agent) which
  allows one to specify a file where nxagent will write
  its session state into.

Fix XFIXES selection handling (copy and paste via middle mouse button) (207_nxagent_fix-xfixes-selection.full.patch).

  When nxagent has the XFIXES extension enabled copy and
  paste from outside applications to applications within the session
  that rely on XFixesSelectSelectionInput (e.g. qt applications like
  konsole) did never receive any notifications because the nxagent did
  not register itself at the real X server to receive them. Fixes X2Go Bug
  #585 (http://bugs.x2go.org/585).

Fix repainting of SolidFill pictures with libcairo > 1.12.x (204_nxagent_repaint-solidpict.full.patch).

  This change enables to launch an nxagent in rootless mode
  that waits forever for Xclients to appear.

  This feature got added when X2Go introduced Published Applications
  support.

  This patch adds Xinerama awareness to NX agent windows.

  The advantage of Xinerama awareness is that an NX session window
  will only maximize to the dimensions of the active physical
  display.

X2Go icon when run with x2goagent flavour (201_nxagent_set-x2go-icon-if-x2goagent-flavour.full.patch).

  Depending on the binary name of the agent either nxagent.xpm
  or x2go.xpm is used as window icon.

  Whether the agent runs in X2Go or NX mode is decide by the
  name of the binary that executes the code.

  Binary name equal to nxagent -> (Free)NX flavour
  Binary name equal to x2goagent -> X2Go flavour

  It is allowed to try and allocate a pixmap which is larger than
  32767 in either dimension. However, all of the framebuffer code
  is buggy and does not reliably draw to such big pixmaps, basically
  because the Region data structure operates with signed shorts
  for the rectangles in it.

  Furthermore, several places in the X server computes the
  size in bytes of the pixmap and tries to store it in an
  integer. This integer can overflow and cause the allocated size
  to be much smaller.

  So, such big pixmaps are rejected here with a BadAlloc

  Originally contributed by FreeNX Team

  Wine close delay.

  Originally contributed by FreeNX team (dimbor).

  Do not send COMPOUND_TEXT to client.

  Originally contributed by FreeNX Team (dimbor).

  Enable UTF-8 clipboard copies.

  Originally contributed by FreeNX Team (dimbor).

Export remote keyboard configuration to session directory (105_nxagent_export-remote-keyboard-config.full.patch)

  Let nxagent write the keyboard configuration to <session_directory>/keyboard
  and make it available within the NX session.

  This patch is needed for Tarball installation and on Distros like
  Debian, not reporting this path addition to upstream.

  Originally contributed by FreeNX Team.

  This patch is needed for Tarball installation mode of NX (redistributed)
  only, not reporting this path change to upstream.

  This patch is needed on Debian only, not reporting this path
  addition to upstream.

  Patch was modified by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

Create Windows and fix drawing issues on Big Endian 64bit systems (057_nx-X11_sanitize-eventmasks.full.patch).

  Multiple endiannes issues were setting incorrect event masks when creating and
  drawing X11 windows.

  This time, a smaller integer has been casted to a bigger one and passed to some
  function actually setting its value.

  This meant, that garbage from stack was attached to the smaller integer value,
  putting unknown memory into the lower bytes of the bigger integer.

  Fix this by creating a big, initialized temporary variable, let the function do
  its magic on that one and pass the value back to the smaller variable--and
  cross your fingers the smaller variable can hold it without overrunning. (The
  last bit is a design issue we can't really fix and has been around even before
  this patch.)

  The below patch fixes more -Werror=format-security errors.
  Interestingly, most of the errors only showed up on our arm builds.  No
  idea why.

Fix FTBFS when compiled with -Werror=format-security (055_nx-X11_imake-Werror-format-security.full.patch).

Avoid building libXcomp.so.1 (which is identical to libXcomp.so.3), (053_nx-X11_no-xcomp1-install-target.full.patch).

 The Mac OS X 10.5 SDK requires the second argument of FD_ISSET to be
 writeable, although it does only access the data. Given that we have a
 const pointer for a const struct, copy and pass that.
 .
 Note that this is merely a workaround for OS X 10.5, as 10.6 and later
 define the second argument of FD_ISSET as const struct const *foo, too.
 .
 It is safe, as data is accessed read-only by FD_ISSET, even on 10.5.

 Restore ability to build things in parallel.
 (${MAKE} must always appear in the rule directly, and not be
 hidden through expansions of other variables to get this to work.)

  Relevant code taken from xtrans 1.2.7 on 2014-06-11.

 026_nxcompext_honour-optflags.full.patch
 026_nxcomp_honour-optflags.full+lite.patch
 026_nxcompshad_honour-optflags.full.patch

  024_fix-make-clean.full.patch
  024_fix-make-clean.full+lite.patch

 From tarball, NX libraries and binaries are installed to
 /usr/local/lib/nx.
 .
 FIXME: The paths in this patch get superceded by current build
 logic in nx-libs.spec and debian/rules. This should be
 merged into the NX build logic finally.