--- mozilla/js/src/configure.in.orig	2010-05-12 21:05:58.000000000 +0200
+++ mozilla/js/src/configure.in	2010-06-22 16:17:20.000000000 +0200
@@ -1218,7 +1218,7 @@
     CPU_ARCH=sparc
     ;;
 
-x86_64 | ia64)
+amd64 | x86_64 | ia64)
     CPU_ARCH="$OS_TEST"
     ;;
 esac
@@ -2466,10 +2466,6 @@
     ENABLE_JIT=1
     NANOJIT_ARCH=ARM
     ;;
-sparc*-*)
-    ENABLE_JIT=1
-    NANOJIT_ARCH=Sparc
-    ;;
 esac
 
 MOZ_ARG_DISABLE_BOOL(jit,