--enable-fading
        add support for darkening colors when aterm is loosing focus.
	that is off by default as far as that would cause aterm to use
	more colors, which is not good for folks with 8bpp.
--enable-background-image
 	add support for XPM background pixmaps,
	and JPEG and PNG background pixmaps if AfterStep was compiled
	with --enable-static-libs=no, and libasimage and libafterstep
	were installed in LD_LIBRARY_PATH.
--enable-next-scroll
	make the scrollbar look like a NeXT scrollbar (Default)
--enable-xterm-scroll
	make the scrollbar look like an Xterm scrollbar
--enable-utmp
	write user and tty to utmp file (used by programs like ``w'') on
	creation of rxvt and delete when rxvt exits.
--enable-wtmp
	write user and tty to wtmp file (used by programs like ``last'') on
	creation of rxvt and write logout when rxvt exits.
--enable-menubar
	add support for our menu bar system
--enable-graphics
	add support for our graphics mode (see src/graphics)
--enable-half-shadow
	make shadows on the scrollbar only half the normal width & height.
	only applicable to non-Xterm scrollbars
--enable-kanji
	add support for Kanji characters (EUC-JP or SJIS)
--enable-big5
	add support for Chinese characters (BIG5)
--enable-greek
	add support for greek keyboard
--enable-ttygid
	change tty device setting to group "tty" - only use this if
        your system uses this type of security
--disable-backspace-key
	disable any handling of the backspace key by us - let the X server
	do it
--disable-delete-key
	disable any handling of the delete key by us - let the X server
	do it
--disable-resources
	remove all resources checking
--enable-xgetdefault
	make resources checking via XGetDefault() instead of our small
	version which only checks ~/.Xdefaults, or if that doesn't exist
	then ~/.Xresources
--disable-memset
	remove support for our possibly faster memset() function and
	use your system's version instead - which may be have hand-crafted
	in assembly.
--disable-swapscreen
	remove support for swap screen
--disable-keepscrolling
	remove support for continual scrolling of the display when you hold
	the mouse button down on a scrollbar arrow
--disable-mousewheel
	remove support for scrolling via mouse wheel or buttons 4 & 5
--enable-old-selection
	revert mouse selection to something similar to v2.20 (and prior) -
	this implies word selection of those versions (i.e. next option)
--enable-old-wordselect
	revert mouse selection of words (double-clicking) to something
	similar to v2.20 (and prior)
--enable-dmalloc
	use Gray Watson's malloc - which is good for debugging
	See  http://www.letters.com/dmalloc/  for details
        If you use either this or the next option, you may need to
	edit src/Makefile after compiling to point DINCLUDE and DLIB to
	the right places.
        You can only use either this option and the following (should
	you use either)
--enable-dlmalloc
	use Doug Lea's malloc - which is good for a production version
	See  http://g.oswego.edu/dl/html/malloc.html  for details
--with-term=NAME
	change the environmental variable for the terminal to NAME
	(default "xterm")
--with-terminfo=PATH
	change the environmental variable for the path to the terminfo
	tree to PATH
--with-x
	use the X Window System (pretty much default, eh?)
--with-xpm-includes=DIR
	look for the XPM includes in DIR
--with-xpm-library=DIR
	look for the XPM library in DIR
--with-jpeg-includes=DIR
	look for the XPM includes in DIR
--with-jpeg-library=DIR
	look for the XPM library in DIR
--with-png-includes=DIR
	look for the XPM includes in DIR
--with-png-library=DIR
	look for the XPM library in DIR