To use all functionality provided by Kaffe, you need some freely available
libraries installed on your system.

Some of these libraries are absolutely required, in other cases, the
configure script detects whether the library is available and uses it
if so.  If your library is not installed in a standard place where
your compiler and linker finds it, you need to tell configure where to
find it, using the --with-libraries="/my/dir1/lib /my/dir2/lib ..." 
flag.  You may also have to specify the location of C header files,
--with-includes="/my/dir1/include /my/dir2/include ...".

X11/XFree:
    The AWT implementation of the Desktop Edition of Kaffe OpenVM (the
  one that's Free Software) depends on X11.  If this is not enough for
  you, you may need the Custom Edition.  See www.transvirtual.com for
  details.

libungif: 
    You need libungif 4.0 or newer if you want Kaffe's awt to be able
    to decompress gif images.  Note that earlier versions will not work.
    You can get libungif from:
    http://prtr-13.ucsc.edu/~badger/software/libungif.shtml

jpeg:
    Used by Kaffe's awt to decompress jpeg images.  Available at
    http://www.ijg.org/

libpng:
    Ditto for png images.  Available at
    http://www.cdrom.com/pub/png/pngcode.html

libz:
    You need libz to use the functionality in java.util.zip.  It's
    available at http://www.cdrom.com/pub/infozip/zlib/

GNU gmp:
    libgmp is used in the implementation of java.math.BigInteger.
    It is available at ftp://ftp.gnu.org/pub/gmp, or from any GNU mirror.

libmd:
    This library is included with FreeBSD and may be included with
    other operating systems. It supplies implementations of the MD2,
    MD4, and MD5 hashing algorithms. If this library is not found by
    configure, then SHA is the only hashing algorithm that will be
    available. The FreeBSD version of this library is available here:
        http://www.freebsd.org/cgi/cvsweb.cgi/src/lib/libmd/