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--- configure.in_BACKUP	2010-12-10 09:49:30.204907020 +0100
+++ configure.in	2010-12-10 09:50:59.063128511 +0100
@@ -137,9 +137,18 @@
   [cv_avx="$enable_avx"], [cv_avx="no"])
 
 case "${target_cpu}" in
-  x86_64*) cv_sse=yes cv_sse2=yes;;
-  amd64*)  cv_sse=yes cv_sse2=yes;;
-  *) ;;
+  amd64*|x86_64*)
+    if test "x$cv_sse" = "x"; then
+      AC_MSG_NOTICE([Auto-enabling SSE codes])
+      cv_sse=yes
+    fi
+    if test "x$cv_sse2" = "x"; then
+      AC_MSG_NOTICE([Auto-enabling SSE2 codes])
+      cv_sse2=yes
+    fi
+    ;;
+  *)
+    ;;
 esac
 
 dnl option checks