--- qemu-0.11.0/configure
+++ qemu-0.11.0/configure
@@ -1508,7 +1508,7 @@
   ;;
 esac
 echo "ARCH=$ARCH" >> $config_host_mak
-arch_name=`echo $ARCH | tr '[:lower:]' '[:upper:]'`
+arch_name=`echo $ARCH | LC_ALL=C tr '[:lower:]' '[:upper:]'`
 echo "#define HOST_$arch_name 1" >> $config_host_h
 
 if test "$debug_tcg" = "yes" ; then
@@ -1599,14 +1599,14 @@
   echo "VDE_LIBS=-lvdeplug" >> $config_host_mak
 fi
 for card in $audio_card_list; do
-    def=CONFIG_`echo $card | tr '[:lower:]' '[:upper:]'`
+    def=CONFIG_`echo $card | LC_ALL=C tr '[:lower:]' '[:upper:]'`
     echo "$def=y" >> $config_host_mak
     echo "#define $def 1" >> $config_host_h
 done
 echo "#define AUDIO_DRIVERS \\" >> $config_host_h
 for drv in $audio_drv_list; do
     echo "    &${drv}_audio_driver, \\" >>$config_host_h
-    def=CONFIG_`echo $drv | tr '[:lower:]' '[:upper:]'`
+    def=CONFIG_`echo $drv | LC_ALL=C tr '[:lower:]' '[:upper:]'`
     echo "$def=y" >> $config_host_mak
     if test "$drv" = "fmod"; then
         echo "CONFIG_FMOD_LIB=$fmod_lib" >> $config_host_mak
--- qemu-0.11.0/create_config
+++ qemu-0.11.0/create_config
@@ -17,14 +17,14 @@
     ;;
  TARGET_ARCH=*) # configuration
     target_arch=${line#*=}
-    arch_name=`echo $target_arch | tr '[:lower:]' '[:upper:]'`
+    arch_name=`echo $target_arch | LC_ALL=C tr '[:lower:]' '[:upper:]'`
     echo "#define TARGET_ARCH \"$target_arch\""
     echo "#define TARGET_$arch_name 1"
     ;;
  TARGET_BASE_ARCH=*) # configuration
     target_base_arch=${line#*=}
     if [ "$target_base_arch" != "$target_arch" ]; then
-      base_arch_name=`echo $target_base_arch | tr '[:lower:]' '[:upper:]'`
+      base_arch_name=`echo $target_base_arch | LC_ALL=C tr '[:lower:]' '[:upper:]'`
       echo "#define TARGET_$base_arch_name 1"
     fi
     ;;