--- old/common/autoconf/platform.m4	2014-06-03 14:46:33.581402769 -0700
+++ new/common/autoconf/platform.m4	2014-06-03 14:46:33.505403724 -0700
@@ -90,6 +90,12 @@
       VAR_CPU_BITS=64
       VAR_CPU_ENDIAN=big
       ;;
+    sparc64)
+      VAR_CPU=sparcv9
+      VAR_CPU_ARCH=sparc
+      VAR_CPU_BITS=64
+      VAR_CPU_ENDIAN=big
+      ;;
     *)
       AC_MSG_ERROR([unsupported cpu $1])
       ;;