diff --git a/yocto-poky/oe-init-build-env b/yocto-poky/oe-init-build-env
index 6fee5f7..5fe68d1 100755
--- a/yocto-poky/oe-init-build-env
+++ b/yocto-poky/oe-init-build-env
@@ -19,44 +19,49 @@
 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
 #
-# Normally this is called as '. ./oe-init-build-env builddir'
+# Normally this is called as '. ./oe-init-build-env <builddir>'
 #
-# This works in most shells (not dash), but not all of them pass arg1 when
-# being sourced.   To workaround the shell limitation use "set arg1" prior 
-# to sourcing this script.
+# This works in most shells (not dash), but not all of them pass the arguments
+# when being sourced.  To workaround the shell limitation use "set <builddir>"
+# prior to sourcing this script.
 #
 if [ -n "$BASH_SOURCE" ]; then
-   OEROOT="`dirname $BASH_SOURCE`"
+    THIS_SCRIPT=$BASH_SOURCE
 elif [ -n "$ZSH_NAME" ]; then
-   OEROOT="`dirname $0`"
+    THIS_SCRIPT=$0
 else
-   OEROOT="`pwd`"
+    THIS_SCRIPT="$(pwd)/oe-init-build-env"
 fi
 if [ -n "$BBSERVER" ]; then
-   unset BBSERVER
+    unset BBSERVER
 fi
-THIS_SCRIPT=$OEROOT/oe-init-build-env
 
 if [ -z "$ZSH_NAME" ] && [ "$0" = "$THIS_SCRIPT" ]; then
-   echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'"
-   exit 1
+    echo "Error: This script needs to be sourced. Please run as '. $THIS_SCRIPT'"
+    exit 1
 fi
 
-OEROOT=`readlink -f "$OEROOT"`
-export OEROOT
-. $OEROOT/scripts/oe-buildenv-internal && \
-     $OEROOT/scripts/oe-setup-builddir && \
-     [ -n "$BUILDDIR" ] && cd "$BUILDDIR"
-unset OEROOT
-unset BBPATH
+if [ -z "$OEROOT" ]; then
+    OEROOT=$(dirname "$THIS_SCRIPT")
+    OEROOT=$(readlink -f "$OEROOT")
+fi
 unset THIS_SCRIPT
 
+export OEROOT
+. $OEROOT/scripts/oe-buildenv-internal &&
+    TEMPLATECONF="$TEMPLATECONF" $OEROOT/scripts/oe-setup-builddir || {
+    unset OEROOT
+    return 1
+}
+unset OEROOT
+
+[ -z "$BUILDDIR" ] || cd "$BUILDDIR"
+
 # Shutdown any bitbake server if the BBSERVER variable is not set
-if [ -z "$BBSERVER" ] && [ -f bitbake.lock ] ; then
-    grep ":" bitbake.lock > /dev/null && BBSERVER=`cat bitbake.lock` bitbake --status-only
-    if [ $? = 0 ] ; then
-	echo "Shutting down bitbake memory resident server with bitbake -m"
-	BBSERVER=`cat bitbake.lock` bitbake -m
+if [ -z "$BBSERVER" ] && [ -f bitbake.lock ]; then
+    grep ":" bitbake.lock > /dev/null && BBSERVER=$(cat bitbake.lock) bitbake --status-only
+    if [ $? = 0 ]; then
+        echo "Shutting down bitbake memory resident server with bitbake -m"
+        BBSERVER=$(cat bitbake.lock) bitbake -m
     fi
 fi
-