diff --git a/Extras/GIMPACTUtils/Jamfile b/Extras/GIMPACTUtils/Jamfile
new file mode 100644
index 000000000..f55d4e144
--- /dev/null
+++ b/Extras/GIMPACTUtils/Jamfile
@@ -0,0 +1,13 @@
+SubDir TOP Extras GIMPACTUtils ;
+
+#IncludeDir Extras/GIMPACT/include ;
+
+Library GIMPACTUtils : [ Wildcard .  : */.h *.cpp ] : noinstall ;
+CFlags GIMPACTUtils : [ FIncludes $(TOP)/Extras/GIMPACT/include ] [ FIncludes $(TOP)/Extras/GIMPACTUtils ] [ FIncludes $(TOP)/Extras/ConvexDecomposition ] ;
+LibDepends GIMPACTUtils : GIMPACT ;
+LibDepends GIMPACTUtils : convexdecomposition ;
+
+   MsvcIncDirs GIMPACTUtils : 
+	"../../Extras/GIMPACT/include" "../../Extras/GIMPACTUtils" ;
+
+InstallHeader [ Wildcard *.h ] : GIMPACTUtils ;
diff --git a/Extras/Jamfile b/Extras/Jamfile
index 4ba732adc..f1af1c116 100644
--- a/Extras/Jamfile
+++ b/Extras/Jamfile
@@ -3,12 +3,12 @@ SubDir TOP Extras ;
 SubInclude TOP Extras ConvexDecomposition ;
 SubInclude TOP Extras COLLADA_DOM ;
 SubInclude TOP Extras LibXML ;
-#SubInclude TOP Extras BulletMultiThreaded ;
+SubInclude TOP Extras BulletMultiThreaded ;
 #SubInclude TOP Extras EPA ;
 #SubInclude TOP Extras ExtraSolid35 ;
 SubInclude TOP Extras quickstep ;
 SubInclude TOP Extras AlternativeCollisionAlgorithms ;
 SubInclude TOP Extras GIMPACT ;
-
+SubInclude TOP Extras GIMPACTUtils ;
 #GPUphysics needs 'make', not jam compatible build yet:
-#SubInclude TOP Extras GPUphysics ;
+SubInclude TOP Extras GPUphysics ;