Changed autoconf/m4/lua.m4:
lua_open was replaced by lua_newstate in lua5.1.
All occurrances of lua_open changed to lua_newstate.  I checked for use of changed functions in the rest of the OITG source, and found no cases outside of the configure script testing for Lua.
Changed:
	LUA_CFLAGS=`$LUA_CONFIG --include`
	LUA_LIBS=`$LUA_CONFIG --static`
to
	LUA_CFLAGS=`$LUA_CONFIG --cflags`
	LUA_LIBS=`$LUA_CONFIG --libs`
to make these variables be set properly when LUA_CONFIG is "pkg-config lua5.1".


Changed in src/Makefile.in:
am__objects_22 = MovieTexture.$(OBJEXT) MovieTexture_Null.$(OBJEXT) \
	MovieTexture_FFMpeg.$(OBJEXT)
to
am__objects_22 = MovieTexture.$(OBJEXT) MovieTexture_Null.$(OBJEXT)
#	MovieTexture_FFMpeg.$(OBJEXT)

Lines 758-759:
@HAVE_FFMPEG_FALSE@	$(srcdir)/ffmpeg/lib/libavformat.a \
@HAVE_FFMPEG_FALSE@	$(srcdir)/ffmpeg/lib/libavcodec.a
to
@HAVE_FFMPEG_FALSE@	/usr/lib/libavformat.so.52 \
@HAVE_FFMPEG_FALSE@	/usr/lib/libavcodec.so.52
because the staticly built versions of ffmpeg are 32 bit, and "src/ffmpeg/000 StepMania README.txt" says to install it yourself.

Line 1527:
@HAVE_FFMPEG_FALSE@	$(srcdir)/ffmpeg/lib/libavformat.a $(srcdir)/ffmpeg/lib/libavcodec.a
to
@HAVE_FFMPEG_FALSE@	/usr/lib/libavformat.so.52 /usr/lib/libavcodec.so.52
Same reason as the previous change.