[x86_64] Add support for compilation as an x86_64 binary
-rw-r--r-- 17982 COPYING
-rw-r--r-- 908 COPYRIGHTS
-rw-r--r-- 342 LOG
-rw-r--r-- 1650 README
-rw-r--r-- 18 VERSION
drwxr-xr-x - contrib
drwxr-xr-x - src