Currently, Linux x86 (i386, i486, i586, i686), x86 64-bit, PowerPC 32/64,
S390, S390x, ARM, Alpha, ia64 and Sparcv9 32/64 are supported. Tested on
-Linux, FreeBSD 8.2/8.3/9.0/9.1/10.0, and Cygwin. Should also work on:
-Android, NetBSD 5, OpenBSD, Darwin (more testing needed before claiming
-support for these OS).
+Linux, FreeBSD 8.2/8.3/9.0/9.1/10.0 i386/amd64, and Cygwin. Should also
+work on: Android, NetBSD 5, OpenBSD, Darwin (more testing needed before
+claiming support for these OS).
Linux ARM depends on running a Linux kernel 2.6.15 or better, GCC 4.4 or
better.