diff --git a/makeMesa.example b/makeMesa.example
new file mode 100755
index 0000000000000000000000000000000000000000..ba3d2aff3d2ffd81d4b437f7ae54105121719832
--- /dev/null
+++ b/makeMesa.example
@@ -0,0 +1,12 @@
+#!/bin/sh
+# An example for building mesa with llvm
+
+mesa=mesa-18.3.4
+llvm=llvm-4.0.1
+
+set -x
+./makeMesa \
+    $mesa $llvm
+    "$@"
+
+#------------------------------------------------------------------------------
diff --git a/makeParaView.example b/makeParaView.example
index 61b141b8ae67f6937faaff5b4c202815b3c53a42..48e7e9ca91ade37b210cb79b5a99a1085ef0b091 100755
--- a/makeParaView.example
+++ b/makeParaView.example
@@ -9,11 +9,12 @@
 
 # mesa=mesa-11.2.2
 # mesa=mesa-13.0.3
-mesa=mesa-17.1.1
+# mesa=mesa-17.1.1
+mesa=mesa-18.3.4
 
 set -x
 ./makeParaView \
-    -mpi=0 \
+    -mpi \
     -mesa-prefix $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$mesa \
     -python \
     -suffix mesa-mpi-py \
diff --git a/makeVTK.example b/makeVTK.example
index ab0a542c8eec6f23ea96e31c604f42eac87fce9b..1fbf6e0373d8345563c3f37d0878fb2d6504f639 100755
--- a/makeVTK.example
+++ b/makeVTK.example
@@ -2,10 +2,11 @@
 # An example for building particular combinations of VTK with
 # - mesa (off-screen only)
 
-vtk=VTK-9.0.0
+vtk=VTK-8.2.0
 # mesa=mesa-11.2.2
 # mesa=mesa-13.0.3
-mesa=mesa-17.1.1
+# mesa=mesa-17.1.1
+mesa=mesa-18.3.4
 
 # Module_vtkAcceleratorsVTKm    : Request building vtkAcceleratorsVTKm
 #
@@ -13,11 +14,10 @@ mesa=mesa-17.1.1
 
 set -x
 ./makeVTK \
-    -mpi  \
+    -mpi \
     -osmesa \
     -mesa-prefix $WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/$mesa \
     $vtk "$@" \
     Module_vtkAcceleratorsVTKm=ON
 
-
 #------------------------------------------------------------------------------