Autodetect gcc in configure
Autodetect X11DIR in configure
Rename PREFIX etc in line with GNU conventions
git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@155 423420c4-83ab-492f-b58f-81f9feb106b5
Moved to OpenSSL big number routines to resolve licensing issues
with current code (although they add more bloat).
git-svn-id: svn://svn.code.sf.net/p/rdesktop/code/trunk/rdesktop@31 423420c4-83ab-492f-b58f-81f9feb106b5