Update to latest release. Add speex PKG_OPTION. GlideHQ plugin is
disabled for now, because it doesn't build on NetBSD (see TODO).

From Release Notes:

Mupen64Plus v2.0 - July 4, 2013
All Modules

    New: MS Visual Studio 2012 project files
    Makefiles: support for ARM, PPC, and MINGW architectures
    Makefiles: support for cross-compiling (MXE win32 builds under Unix)
    Support (building from source) for new SDL 2.0 library

Audio-SDL Plugin

    Add support for resampling with speexdsp library
    Add more resampling quality options
    Bugfix: Don't assume OSS is installed in all linux systems.
    Make SDL volume handling the default, since OSS is no longer included in the kernel.
    Minor refactoring of volume handling code.

Console-UI Front End Application

    Only build system changes

Core Emulator Library

    Fixes for various games (DK64, Zelda, Blast Corps)
    Add Ari64's dynamic recompiler for x86 (32-bit) and ARM
    Improved PJ64 savestate loading
    Support video window resizing (with help from video plugin and front-end application)
    Auto-detect savestate type (Mupen64Plus or PJ64) when loading from a slot
    Many various code cleanups in core from casualjames
    Debugger code cleanup

Input-SDL Plugin

    Re-write auto-configuration logic to be more user friendly. Add new 'mode' parameter.
    Support for 6 new joysticks
    Work-around for buggy xboxdrv which results in no rumble
    Bugfix: crash when rumble used with controller #4

Video-Glide64mk2 Plugin

    Brand new video plugin which has been ported to Mupen64Plus

Video-Rice Plugin

    Support for resizable video window
    Add support to build and run with OpenGL ES 2.0
    Improve hi-resolution texture loading support
    Fix texture CRC calculation for non-x86 (or NO_ASM) platforms

RSP-HLE Plugin

    Add support for MusyX ucode detection
    Support JPEG decoding used in Pokemon Stadium Japan
    Lots of refactoring to clean up code