diff --git a/envsetup.sh b/envsetup.sh
index c899c5c..7005ef6 100644
--- a/envsetup.sh
+++ b/envsetup.sh
@@ -99,6 +99,9 @@
     if [ -n $ANDROID_BUILD_PATHS ] ; then
         export PATH=${PATH/$ANDROID_BUILD_PATHS/}
     fi
+    if [ -n $ANDROID_PRE_BUILD_PATHS ] ; then
+        export PATH=${PATH/$ANDROID_PRE_BUILD_PATHS/}
+    fi
 
     # and in with the new
     CODE_REVIEWS=
@@ -109,6 +112,15 @@
     export ANDROID_BUILD_PATHS=:$(get_build_var ANDROID_BUILD_PATHS):$ANDROID_QTOOLS:$ANDROID_TOOLCHAIN:$ANDROID_EABI_TOOLCHAIN$CODE_REVIEWS
     export PATH=$PATH$ANDROID_BUILD_PATHS
 
+    unset ANDROID_JAVA_TOOLCHAIN
+    if [ -n "$JAVA_HOME" ]; then
+        export ANDROID_JAVA_TOOLCHAIN=$JAVA_HOME/bin
+    fi
+    export ANDROID_PRE_BUILD_PATHS=$ANDROID_JAVA_TOOLCHAIN
+    if [ -n "$ANDROID_PRE_BUILD_PATHS" ]; then
+        export PATH=$ANDROID_PRE_BUILD_PATHS:$PATH
+    fi
+
     unset ANDROID_PRODUCT_OUT
     export ANDROID_PRODUCT_OUT=$(get_abs_build_var PRODUCT_OUT)
     export OUT=$ANDROID_PRODUCT_OUT
@@ -134,6 +146,7 @@
 function set_stuff_for_environment()
 {
     settitle
+    set_java_home
     setpaths
     set_sequence_number
 
@@ -1053,19 +1066,21 @@
     cd $T/$pathname
 }
 
-# Force JAVA_HOME to point to java 1.5 if it isn't already set
-if [ "$STAY_OFF_MY_LAWN" = "" ]; then
-    if [ ! "$JAVA_HOME" ]; then
-        case `uname -s` in
-            Darwin)
-                export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.5/Home
-                ;;
-            *)
-                export JAVA_HOME=/usr/lib/jvm/java-1.5.0-sun
-                ;;
-        esac
+# Force JAVA_HOME to point to java 1.6 if it isn't already set
+function set_java_home() {
+    if [ "$STAY_OFF_MY_LAWN" = "" ]; then
+        if [ ! "$JAVA_HOME" ]; then
+            case `uname -s` in
+                Darwin)
+                    export JAVA_HOME=/System/Library/Frameworks/JavaVM.framework/Versions/1.6/Home
+                    ;;
+                *)
+                    export JAVA_HOME=/usr/lib/jvm/java-6-sun
+                    ;;
+            esac
+        fi
     fi
-fi
+}
 
 # determine whether arrays are zero-based (bash) or one-based (zsh)
 _xarray=(a b c)