sysjoystick fix
Disable MMX
Check SDL_NOKBD environment variable
Do not propagate lpthread
Fix build_joystick_freebsd

src/joystick/bsd/SDL_sysjoystick.c makes the invalid assumption that
__FreeBSD_kernel__ implies presence of ucr_data struct member.  This
breaks recent versions of FreeBSD 10-CURRENT, FreeBSD 9-STABLE and
Debian GNU/kFreeBSD 'wheezy/sid.'
Fix joystick misc axes
Fix mouse clicking
X11 keyounicode
sdl-config tweak

Only output -L -rpath cruft if using a non-standard install location.
AIX
Grab Not Viewable
Resizing tweak