--- Allwmake	2014-02-28 11:15:34.802185767 +0100
+++ Allwmake.corrected	2014-02-28 11:14:43.685268897 +0100
@@ -339,6 +339,7 @@
 # CGAL is optional
 echo ========================================
 echo Build CGAL
+cd $WM_THIRD_PARTY_DIR
 if [ -n "$CGAL_ARCH_PATH" ]
 then
 (