diff --git a/etc/tools/ParaViewFunctions b/etc/tools/ParaViewFunctions
index f4d3bde7ddc9bf80890dc5983d725e298384bf9e..9232332862303dc83f1424fc979e983942220e4b 100644
--- a/etc/tools/ParaViewFunctions
+++ b/etc/tools/ParaViewFunctions
@@ -36,6 +36,7 @@ unset withMPI     MPI_MAX_PROCS
 unset withQT      QT_VERSION      QMAKE_PATH
 unset withMESA    MESA_INCLUDE    MESA_LIBRARY    withOSMESA
 unset withPYTHON  PYTHON_INCLUDE  PYTHON_LIBRARY
+unset withGL2
 unset OBJ_ADD
 
 BUILD_TYPE=Release  # The cmake build type
@@ -266,9 +267,7 @@ addMesaSupport()
 
     if [ -d "$MESA_INCLUDE" -a -f "$MESA_LIBRARY" ]
     then
-        OBJ_ADD="$OBJ_ADD-mesa"
-
-        addCMakeVariable "VTK_OPENGL_HAS_OSMESA:BOOL=ON"
+        addCMakeVariable "VTK_OPENGL_HAS_OSMESA=ON"
         addCMakeVariable "OSMESA_INCLUDE_DIR=$MESA_INCLUDE"
         addCMakeVariable "OSMESA_LIBRARY=$MESA_LIBRARY"
 
diff --git a/makeParaView b/makeParaView
index 600a46a15c00c77db126259c6ed9435ff6ade2b9..91a64a660f54ed203a56a9195418de6dd81d99a0 100755
--- a/makeParaView
+++ b/makeParaView
@@ -88,31 +88,30 @@ usage() {
 
 usage: $Script [OPTION] [paraview-VERSION] [CMAKE-OPTION]
 options:
+  -gcc              force gcc/g++ instead of the values from \$WM_CC, \$WM_CXX
   -rebuild          for repeated builds (-make -install) *use with caution*
   -gl2              with new rendering backend (if not already enabled)
   -mesa             with mesa (if not already enabled)
+  -mesa-prefix DIR  location of mesa installation (sets -mesa-include, -mesa-lib)
+  -mesa-include DIR location of mesa headers (current value: ${MESA_INCLUDE:-none})
+  -mesa-lib PATH    path to mesa library     (current value: ${MESA_LIBRARY:-none})
   -mpi              with mpi (if not already enabled)
-  -mpi=NPROCS       with mpi and max 'NPROCS' processes. NPROCS=0 for no
-                        upper-limit on processes.
+  -mpi=N            with max 'N' mpi processes. N=0 for no upper-limit.
   -python           with python (if not already enabled)
+  -python-lib PATH  path to python library   (current value: ${PYTHON_LIBRARY:-none})
   -cmake PATH       with cmake from the path given
   -qmake PATH       with the Qt version corresponding to the qmake path given
   -qt               with extra Qt gui support (if not already enabled)
   -qt-VER           with Qt version corresponding to
                         \$WM_THIRD_PARTY_DIR/platforms/$WM_ARCH$WM_COMPILER/qt-VER/bin/qmake
-  -gcc              force gcc/g++ instead of the values from \$WM_CC, \$WM_CXX
   -verbose          verbose output in Makefiles
   -version VER      specify an alternative version (current value: $ParaView_VERSION)
   -major   VER      specify an alternative major version for special builds
   -buildType NAME   specify the build type (default: Release)
-  -mesa-prefix DIR  location of mesa installation (sets -mesa-include, -mesa-lib)
-  -mesa-include DIR location of mesa headers (current value: ${MESA_INCLUDE:-none})
-  -mesa-lib PATH    path to mesa library     (current value: ${MESA_LIBRARY:-none})
-  -python-lib PATH  path to python library   (current value: ${PYTHON_LIBRARY:-none})
   -help
 
 The -no-FEATURE option can be used to forcibly disable these features:
-  mesa mpi python qt
+  -no-gl2 | -no-mesa | -no-mpi | -no-python | -no-qt
 
 CMake options start with a capital letter and contain an '='.
 For example,
@@ -213,8 +212,16 @@ do
     -mesa)
         withMESA=true
         ;;
+    -osmesa)
+        echo
+        echo "The -osmesa option is currently ignored"
+        echo
+        # withMESA=true
+        # withOSMESA=true
+        ;;
     -no-mesa)
         withMESA=false
+        withOSMESA=false
         ;;
     -mesa-prefix)
         [ "$#" -ge 2 ] || die "'$1' option requires an argument"
@@ -225,11 +232,13 @@ do
         ;;
     -mesa-include)
         [ "$#" -ge 2 ] || die "'$1' option requires an argument"
+        withMESA=true
         MESA_INCLUDE="${2%%/}"
         shift
         ;;
     -mesa-lib)
         [ "$#" -ge 2 ] || die "'$1' option requires an argument"
+        withMESA=true
         MESA_LIBRARY="${2%%/}"
         shift
         ;;
@@ -326,6 +335,16 @@ then
     : ${runINSTALL:=true}
 fi
 
+if [ "$withMESA" = true ]
+then
+    : ${withQT:=false}  # No QT unless explicitly requested
+    addCMakeVariable "VTK_USE_X=OFF"
+    # addCMakeVariable "OPENGL_INCLUDE_DIR=IGNORE"
+    # addCMakeVariable "OPENGL_gl_LIBRARY=IGNORE"
+    # addCMakeVariable "OPENGL_xmesa_INCLUDE_DIR=IGNORE"
+    ## seems to be unnecessary => addCMakeVariable "VTK_USE_OFFSCREEN=OFF"
+fi
+
 
 # Set configure options
 #~~~~~~~~~~~~~~~~~~~~~~
diff --git a/makeParaView.example b/makeParaView.example
index 5fe489e5a8e0d86aee08e759c02ab8be6d2f456c..aeb60bea53fef658712cc23dbc48585c99bbb4f3 100755
--- a/makeParaView.example
+++ b/makeParaView.example
@@ -1,10 +1,10 @@
 #!/bin/sh
 # An example for building particular combinations of ParaView with
 # - mpi (0 = no upper-limit on processes)
-# - off-screen mesa
+# - mesa
 
-mesa=mesa-11.2.2
-# mesa=mesa-13.0.2
+# mesa=mesa-11.2.2
+mesa=mesa-13.0.3
 
 ./makeParaView \
     -mpi=0 \
diff --git a/makeVTK b/makeVTK
index 92d4ffaf091c2e801a64a9ad5b70149b0f9e491b..ea01f2a454be2596b8aa82caf638a532ee309bf6 100755
--- a/makeVTK
+++ b/makeVTK
@@ -74,25 +74,24 @@ usage() {
 
 usage: $Script [OPTION] [vtk-VERSION] [CMAKE-OPTION]
 options:
+  -gcc              force g++ instead of the value from \$WM_CXX
   -rebuild          for repeated builds (-make -install) *use with caution*
   -gl2              with new rendering backend (if not already enabled)
   -mesa             with mesa (if not already enabled)
+  -mesa-prefix DIR  location of mesa installation
+  -mesa-include DIR location of mesa headers (current value: ${MESA_INCLUDE:-none})
+  -mesa-lib PATH    path to mesa library     (current value: ${MESA_LIBRARY:-none})
   -osmesa           with off-screen mesa only
   -mpi              with mpi (if not already enabled)
-  -mpi=NPROCS       with mpi and max 'NPROCS' processes. NPROCS=0 for no
-                        upper-limit on processes.
+  -mpi=N            with max 'N' mpi processes. N=0 for no upper-limit.
   -cmake PATH       with cmake from the path given
-  -gcc              force g++ instead of the value from \$WM_CXX
   -verbose          verbose output in Makefiles
   -version VER      specify an alternative version (current value: $VTK_VERSION)
   -buildType NAME   specify the build type (default: Release)
-  -mesa-prefix DIR  location of mesa installation
-  -mesa-include DIR location of mesa headers (current value: ${MESA_INCLUDE:-none})
-  -mesa-lib PATH    path to mesa library     (current value: ${MESA_LIBRARY:-none})
   -help
 
 The -no-FEATURE option can be disable these features (if not already disabled):
-  mesa mpi
+  -no-gl2 | -no-mesa | -no-mpi
 
 CMake options start with a capital letter and contain an '='.
 For example,
@@ -100,6 +99,7 @@ For example,
 to add tests and avoid building documentation
 
 For finer control, the build stages can be selected or deselected individually:
+  -patch     -no-patch
   -config    -no-config
   -make      -no-make
   -install   -no-install
@@ -140,6 +140,13 @@ do
         export CC=gcc    # use gcc/g++
         export CXX=g++
         ;;
+    -patch)              # stage 0: patch sources
+        runPATCH=true
+        unset runDEFAULT
+        ;;
+    -no-patch)
+        runPATCH=false
+        ;;
     -config)             # stage 1: config only
         runCONFIG=true
         unset runDEFAULT
@@ -192,11 +199,13 @@ do
         ;;
     -mesa-include)
         [ "$#" -ge 2 ] || die "'$1' option requires an argument"
+        withMESA=true
         MESA_INCLUDE="${2%%/}"
         shift
         ;;
     -mesa-lib)
         [ "$#" -ge 2 ] || die "'$1' option requires an argument"
+        withMESA=true
         MESA_LIBRARY="${2%%/}"
         shift
         ;;
@@ -266,14 +275,14 @@ addMpiSupport       # set MPI-specific options
 addMesaSupport      # set MESA-specific options
 addGL2Support       # new rendering backend
 
-# set off-screen only options
+# Set off-screen options
 if [ "$withOSMESA" = true ]
 then
-    addCMakeVariable "VTK_USE_X:BOOL=OFF"
+    addCMakeVariable "VTK_USE_X=OFF"
     addCMakeVariable "OPENGL_INCLUDE_DIR=$MESA_INCLUDE"
-    addCMakeVariable "OPENGL_xmesa_INCLUDE_DIR=$MESA_INCLUDE"
     addCMakeVariable "OPENGL_gl_LIBRARY=$MESA_LIBRARY"
     addCMakeVariable "OPENGL_glu_LIBRARY=$MESA_LIBRARY"
+    addCMakeVariable "OPENGL_xmesa_INCLUDE_DIR=$MESA_INCLUDE"
 fi
 
 setVtkDirs          # where things are or should be put
diff --git a/makeVTK.example b/makeVTK.example
index a4566d15c784d46bf786e422b5fab2e61aa59105..3cd33d2799671a6baed6528f37cce5ae5f2c4020 100755
--- a/makeVTK.example
+++ b/makeVTK.example
@@ -1,10 +1,10 @@
 #!/bin/sh
 # An example for building particular combinations of VTK with
-# - off-screen mesa
+# - mesa (off-screen only)
 
 vtk=VTK-7.1.0
 # mesa=mesa-11.2.2
-mesa=mesa-13.0.1
+mesa=mesa-13.0.3
 
 ./makeVTK \
     $vtk \