Updated to latest release. Needs sysutils/desktop-file-utils/desktopdb.mk
Forcing lua51, as lua52 is still throwing errors about -lreadline and such.
Updated patch-SConstruct and PLIST. From Press Release:

The 2.2.2 release fixes a number of emulation bugs and adds many new features, most of which are related to debugging and reverse engineering.

Common

* Properly savestate NSF files
* "Auto-resume old play session" now also works with NSFs

Emulation

* Fixed mappers 178, 28, 53, 154, 43, 253, 19, 2
* Mapper 012 - added hardware dip for language select
* UNIF PEC-586 - fixed render, added 512K cartridges suppport
* Fixed UNIF 8157, UNIF T-262, UNIF DANCE2000
* Palette RAM reading fix for Old PPU
* Bring some improvements to New PPU from BizHawk, fix vtoggle5/6 back to
  vtoggle
* Fixed mmc5 savestates

Lua

* Fix wrong frequency calculation in sound.get() function
* New Lua functions:
  * tobitstring()
  * memory.readword()
  * memory.readwordsigned()
  * debugger.hitbreakpoint()
  * debugger.getcyclescount()
  * debugger.getinstructionscount()
  * debugger.resetcyclescount()
  * debugger.resetinstructionscount()

Win32

* Added "Square pixels" option to Video Config
* "TV Aspect" ratio can be customized, by default it's 4:3
* Changed "Disable hardware acceleration" checkbox to a drop-down list with 3
  options
* Movie recording: remember last Author name when creating a new movie
* Movie recording: added ability to record "Insert coin" command (for VS games)
* When no script is currently running, Shift+L loads the most recent Lua script
* Dynamic link to lua51.dll instead of static linking, because some external libraries might crash without lua51.dll
* Updated 7z.dll to v9.22
* A couple of fixes which deal with "multiple ROMs in a single archive" case
* Auto-disable "Game Genie ROM" feature when no "gg.rom" file is found
* Fixed "Single Instance Mode"

TAS Editor

* Comply with Lua movie.rerecordcounting() setting
* Fixed workflow with "Auto-adjust Input according to Lag" disabled

Debugger

* Smart scrolling up/down by whole instructions - ported from an obscure version
  of FCEUXD 1.1
* Scrolling maintains relative position of the ">" pointer inside the
  Disassembly window
* Highlight PC pointer line when a breakpoint is hit
* debuggerFontSize can be specified in fceux.cfg
* Fixed storing and loading .deb files when working with archived ROMs
* Fixed Cycles counter reset when loading an earlier savestate
* Added Symbolic Debug naming by right-clicking any address or name
* Symbolic names behave the same way as usual addresses
* Newly created Bookmarks inherit existing symbolic name by default
* Added CDL data column to the left from Disassembly, to distinguish executed
  branches of code from not executed
* Added 'T' condition for breakpoints (it checks the bank of the accessed data,
  see docs)

Trace Logger

* The dialog window can be resized
* Do not clear window log when stopping the logging
* Added "Log Cycles count" and "Log Instructions count" options
* Added Symbolic Debug naming by right-clicking any address or name
* Clicking any address select the address
* Double-clicking any address brings Debugger at the address
* Added mouse wheel support
* Only output "from $XXXX" when the subroutine was called by JSR

PPU Viewer

* Added "Mask unused graphics" feature (needs Code/Data Logger running)
* Fixed window layout when using big fonts

Hex Editor

* Added "Highlighting" submenu and "Highlight Activity" feature
* Added Symbolic Debug naming by right-clicking any address
* Specify Data bank condition when adding a Breakpoint by context menu
* Fixed bugs when saving files while working with ROMs in archives
* hexeditorFontSize can be specified in fceux.cfg

RAM Search/RAM Watch

* Added "Hex Editor" button to RAM Search (right-clicking an address works as
  well)
* Fixed RAM Watch bug when contents of old .wch file were mixed with the newly
  saved data

SDL

* "--periodicsaves" command line option
* "--4buttonexit" command line option
* "--loadstate X" and "--savestate X" command line options
* Added Unity desktop support
* Added otion to use system-provided LUA library instead of statically linked
  LUA
* Fix issue where battery backup save was not being saved when using "Quit"
  hotkey
* Fixed bug where FCEUX would take exclusive grab of input in windowed mode
  when resuming from pause