I want to add freebsd_get_cpuarch() to freebsd.eclass. This will give us
a platform-independent way of generating MACHINE_CPUARCH, which will
make building FreeBSD components on other platforms (i.e. Linux and
Prefix) easier.

--- freebsd.eclass.old  2012-07-01 19:15:56.157277000 -0400
+++ freebsd.eclass      2012-07-01 19:44:08.093698000 -0400
@@ -58,6 +58,24 @@ freebsd_get_bmake() {
        echo "${bmake}"
 }

+freebsd_get_cpuarch() {
+       local arch=$(uname -m)
+       case $(uname -m) in
+               x86_64)
+                       return 'amd64';;
+               arm*)
+                       return 'arm';;
+               i?86)
+                       return 'i386';;
+               ppc*)
+                       return 'powerpc';;
+               mips*)
+                       return 'mips';;
+               sparc*)
+                       return 'sparc';;
+               *)
+                       return arch;
+       esac
+}
+
 freebsd_do_patches() {
        if [[ ${#PATCHES[@]} -gt 1 ]] ; then
                for x in "${PATCHES[@]}"; do

Does anyone have any objections?