diff --git a/CMakeLists.txt b/CMakeLists.txt
index 98ffbbc2..7f4230fb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -74,7 +74,7 @@ include_directories ("${PROJECT_BINARY_DIR}")
 
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_MODULE_PATH "${CMAKE_MODULE_PATH}" "${PROJECT_SOURCE_DIR}/cmake_modules")
-set(ng_install_dir RUNTIME DESTINATION bin LIBRARY DESTINATION lib ARCHIVE DESTINATION lib)
+set(ng_install_dir RUNTIME DESTINATION bin COMPONENT netgen LIBRARY DESTINATION lib COMPONENT netgen_devel ARCHIVE DESTINATION lib COMPONENT netgen_devel)
 
 include (CheckIncludeFiles)
 check_include_files (dlfcn.h HAVE_DLFCN_H)
@@ -148,10 +148,10 @@ if (USE_GUI)
     if(WIN32)
         get_filename_component(MY_LIB_DIR ${TK_LIBRARY} DIRECTORY)
         find_library(LIBTOGL NAMES togl togl17 HINTS ${MY_LIB_DIR} )
-        install( DIRECTORY "${MY_LIB_DIR}/tcl8.5"   DESTINATION lib )
-        install( DIRECTORY "${MY_LIB_DIR}/tk8.5"    DESTINATION lib )
-        install( DIRECTORY "${MY_LIB_DIR}/tix8.4.3" DESTINATION lib )
-        install( DIRECTORY "${MY_LIB_DIR}/../bin" DESTINATION .)
+        install( DIRECTORY "${MY_LIB_DIR}/tcl8.5"   DESTINATION lib COMPONENT netgen )
+        install( DIRECTORY "${MY_LIB_DIR}/tk8.5"    DESTINATION lib COMPONENT netgen )
+        install( DIRECTORY "${MY_LIB_DIR}/tix8.4.3" DESTINATION lib COMPONENT netgen )
+        install( DIRECTORY "${MY_LIB_DIR}/../bin" DESTINATION . COMPONENT netgen )
     else(WIN32)
         set(LIBTOGL togl)
         ADD_DEFINITIONS(-DTOGL_X11)
@@ -203,6 +203,15 @@ if (USE_MPI)
     include_directories(${METIS_INCLUDE_DIR})
 endif (USE_MPI)
 
+#######################################################################
+if (USE_OCC)
+    find_package(OpenCasCade REQUIRED)
+    add_definitions(-DOCCGEOMETRY -D_OCC64)
+
+	add_definitions(-DHAVE_IOSTREAM -DHAVE_IOSTREAM_H -DHAVE_LIMITS -DHAVE_LIMITS_H -DHAVE_IOMANIP -DHAVE_IOMANIP_H)
+    include_directories(${OCC_INCLUDE_DIR})
+endif (USE_OCC)
+
 #######################################################################
 if (USE_JPEG)
     find_package(JPEG REQUIRED)
@@ -236,7 +245,9 @@ endif(INSTALL_PROFILES)
 add_subdirectory(libsrc)
 add_subdirectory(ng)
 add_subdirectory(tutorials)
-add_subdirectory(python)
+if (USE_PYTHON)
+  add_subdirectory(python)
+endif (USE_PYTHON)
 add_subdirectory(py_tutorials)
 add_subdirectory(doc)
 add_subdirectory(windows)
diff --git a/cmake_modules/FindOpenCasCade.cmake b/cmake_modules/FindOpenCasCade.cmake
new file mode 100644
index 00000000..6a6106f1
--- /dev/null
+++ b/cmake_modules/FindOpenCasCade.cmake
@@ -0,0 +1,141 @@
+# Try to find OCE / OCC
+# Once done this will define
+#
+# OCC_FOUND          - system has OCC - OpenCASCADE
+# OCC_INCLUDE_DIR    - where the OCC include directory can be found
+# OCC_LIBRARY_DIR    - where the OCC library directory can be found
+# OCC_LIBRARIES      - Link this to use OCC
+# OCC_OCAF_LIBRARIES - Link this to use OCC OCAF framework
+
+# First try to find OpenCASCADE Community Edition
+if(NOT DEFINED OCE_DIR)
+  if(UNIX)
+    set(OCE_DIR "/usr/local/share/cmake/")
+  elseif(WIN32)
+    set(OCE_DIR "c:/OCE-0.4.0/share/cmake")
+  endif()
+endif()
+
+find_package(OCE QUIET)
+if(0 AND OCE_FOUND)
+  message(STATUS "-- OpenCASCADE Community Edition has been found.")
+  # Disable this define. For more details see bug #0001872
+  #add_definitions (-DHAVE_CONFIG_H)
+  set(OCC_INCLUDE_DIR ${OCE_INCLUDE_DIRS})
+  #set(OCC_LIBRARY_DIR ${OCE_LIBRARY_DIR})
+else(0 AND OCE_FOUND) #look for OpenCASCADE
+  if(WIN32)
+    if(CYGWIN OR MINGW)
+    FIND_PATH(OCC_INCLUDE_DIR Standard_Version.hxx
+        /usr/include/oce
+        /usr/include/opencascade
+        /usr/local/include/opencascade
+        /opt/opencascade/include
+        /opt/opencascade/inc
+      )
+      FIND_LIBRARY(OCC_LIBRARY TKernel
+        /usr/lib
+        /usr/local/lib
+        /opt/opencascade/lib
+      )
+    else(CYGWIN OR MINGW)
+    FIND_PATH(OCC_INCLUDE_DIR Standard_Version.hxx
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\SIM\\OCC\\2;Installation Path]/include"
+      )
+      FIND_LIBRARY(OCC_LIBRARY TKernel
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\SIM\\OCC\\2;Installation Path]/lib"
+      )
+    endif(CYGWIN OR MINGW)
+  else(WIN32)
+    FIND_PATH(OCC_INCLUDE_DIR Standard_Version.hxx
+      /usr/include/oce
+      /usr/include/opencascade
+      /usr/local/include/opencascade
+      /opt/opencascade/include
+      /opt/opencascade/inc
+    )
+    FIND_LIBRARY(OCC_LIBRARY TKernel
+      /usr/lib
+      /usr/local/lib
+      /opt/opencascade/lib
+    )
+  endif(WIN32)
+  if(OCC_LIBRARY)
+    GET_FILENAME_COMPONENT(OCC_LIBRARY_DIR ${OCC_LIBRARY} PATH)
+  endif(OCC_LIBRARY)
+endif(0 AND OCE_FOUND)
+
+if(OCC_INCLUDE_DIR)
+  file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAJOR
+    REGEX "#define OCC_VERSION_MAJOR.*"
+  )
+  string(REGEX MATCH "[0-9]+" OCC_MAJOR ${OCC_MAJOR})
+  file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MINOR
+    REGEX "#define OCC_VERSION_MINOR.*"
+  )
+  string(REGEX MATCH "[0-9]+" OCC_MINOR ${OCC_MINOR})
+  file(STRINGS ${OCC_INCLUDE_DIR}/Standard_Version.hxx OCC_MAINT
+    REGEX "#define OCC_VERSION_MAINTENANCE.*"
+  )
+  string(REGEX MATCH "[0-9]+" OCC_MAINT ${OCC_MAINT})
+
+  set(OCC_VERSION_STRING "${OCC_MAJOR}.${OCC_MINOR}.${OCC_MAINT}")
+endif(OCC_INCLUDE_DIR)
+
+# handle the QUIETLY and REQUIRED arguments and set OCC_FOUND to TRUE if
+# all listed variables are TRUE
+include(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(OCC REQUIRED_VARS OCC_INCLUDE_DIR VERSION_VAR OCC_VERSION_STRING)
+
+if(OCC_FOUND)
+  set(OCC_LIBRARIES
+    -L${OCC_LIBRARY_DIR}
+    FWOSPlugin
+    TKFillet
+    TKMesh
+    TKernel
+    TKG2d
+    TKG3d
+    TKMath
+    TKIGES
+    TKSTL
+    TKShHealing
+    TKXSBase
+    TKBool
+    TKBO
+    TKBRep
+    TKTopAlgo
+    TKGeomAlgo
+    TKGeomBase
+    TKOffset
+    TKPrim
+    TKSTEP
+    TKSTEPBase
+    TKSTEPAttr
+    TKHLR
+    TKFeat
+    TKCAF
+    TKXCAF
+    TKLCAF
+    TKXDESTEP
+    TKXDEIGES
+    TKMeshVS
+  )
+  set(OCC_OCAF_LIBRARIES
+    TKCAF
+    TKXCAF
+    TKLCAF
+    TKXDESTEP
+    TKXDEIGES
+    TKMeshVS
+  )
+  if(OCC_VERSION_STRING VERSION_LESS 6.7.3)
+    list(APPEND OCC_OCAF_LIBRARIES TKAdvTools)
+  endif(OCC_VERSION_STRING VERSION_LESS 6.7.3)
+  message(STATUS "-- Found OCE/OpenCASCADE version: ${OCC_VERSION_STRING}")
+  message(STATUS "-- OCE/OpenCASCADE include directory: ${OCC_INCLUDE_DIR}")
+  message(STATUS "-- OCE/OpenCASCADE shared libraries directory: ${OCC_LIBRARY_DIR}")
+  message(STATUS "-- OCE/OpenCASCADE shared libraries :\n ${OCC_LIBRARIES}")
+else(OCC_FOUND)
+  message("Neither OpenCASCADE Community Edition nor OpenCasCade were found: will not build CAD modules!")
+endif(OCC_FOUND)
diff --git a/doc/CMakeLists.txt b/doc/CMakeLists.txt
index 1036c7ff..d7563fdb 100644
--- a/doc/CMakeLists.txt
+++ b/doc/CMakeLists.txt
@@ -1 +1 @@
-INSTALL(FILES ng4.pdf DESTINATION doc)
+INSTALL(FILES ng4.pdf DESTINATION doc COMPONENT netgen_doc)
diff --git a/libsrc/csg/CMakeLists.txt b/libsrc/csg/CMakeLists.txt
index 961f94ea..846ed512 100644
--- a/libsrc/csg/CMakeLists.txt
+++ b/libsrc/csg/CMakeLists.txt
@@ -14,7 +14,7 @@ endif(APPLE)
 if(NOT WIN32)
     target_link_libraries(csg mesh ${PYTHON_LIBS})
     target_link_libraries(csg ${PYTHON_LIBS})
-    install( TARGETS csg DESTINATION lib )
+    install( TARGETS csg DESTINATION lib COMPONENT netgen)
 endif(NOT WIN32)
 
 
@@ -25,7 +25,7 @@ if(USE_GUI)
         if(APPLE)
             set_target_properties( csgvis PROPERTIES SUFFIX ".so")
         endif(APPLE)
-        install( TARGETS csgvis DESTINATION lib )
+        install( TARGETS csgvis DESTINATION lib COMPONENT netgen)
     endif(NOT WIN32)
 endif(USE_GUI)
 
diff --git a/libsrc/general/CMakeLists.txt b/libsrc/general/CMakeLists.txt
index a8fd34a2..14a47b1b 100644
--- a/libsrc/general/CMakeLists.txt
+++ b/libsrc/general/CMakeLists.txt
@@ -8,5 +8,5 @@ add_library(gen OBJECT
 
 set_target_properties( gen PROPERTIES POSITION_INDEPENDENT_CODE ON )
 
-install( FILES ngexception.hpp DESTINATION include )
+install( FILES ngexception.hpp DESTINATION include COMPONENT netgen_devel )
 
diff --git a/libsrc/geom2d/CMakeLists.txt b/libsrc/geom2d/CMakeLists.txt
index bfdd934a..9de20e44 100644
--- a/libsrc/geom2d/CMakeLists.txt
+++ b/libsrc/geom2d/CMakeLists.txt
@@ -3,14 +3,14 @@ add_library(geom2d ${NG_LIB_TYPE} genmesh2d.cpp geom2dmesh.cpp geometry2d.cpp py
 
 if(NOT WIN32)
     target_link_libraries(geom2d mesh ${PYTHON_LIBS})
-    install( TARGETS geom2d DESTINATION lib )
+    install( TARGETS geom2d DESTINATION lib COMPONENT netgen)
 endif(NOT WIN32)
 
 if(USE_GUI)
     add_library(geom2dvis ${NG_LIB_TYPE} geom2dpkg.cpp vsgeom2d.cpp)
     if(NOT WIN32)
         target_link_libraries(geom2dvis geom2d)
-        install( TARGETS geom2dvis DESTINATION lib )
+        install( TARGETS geom2dvis DESTINATION lib COMPONENT netgen)
     endif(NOT WIN32)
 endif(USE_GUI)
 
diff --git a/libsrc/include/CMakeLists.txt b/libsrc/include/CMakeLists.txt
index 68de56a8..9088799b 100644
--- a/libsrc/include/CMakeLists.txt
+++ b/libsrc/include/CMakeLists.txt
@@ -1,2 +1,2 @@
-install(FILES nginterface.h nginterface_v2.hpp DESTINATION include)
+install(FILES nginterface.h nginterface_v2.hpp DESTINATION include COMPONENT netgen_devel)
 
diff --git a/libsrc/interface/CMakeLists.txt b/libsrc/interface/CMakeLists.txt
index 656128c8..326084bb 100644
--- a/libsrc/interface/CMakeLists.txt
+++ b/libsrc/interface/CMakeLists.txt
@@ -14,12 +14,12 @@ add_library(interface ${NG_LIB_TYPE}
         )
 
 # TARGET_LINK_LIBRARIES(interface ${MPI_CXX_LIBRARIES} ${PYTHON_LIBS})
-# TARGET_LINK_LIBRARIES( interface ${LIBPTHREAD} ${OCCLIBS} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} )
+# TARGET_LINK_LIBRARIES( interface ${LIBPTHREAD} ${OCC_LIBRARIES} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} )
 if(NOT WIN32)
-    target_link_libraries(interface mesh csg)
+    target_link_libraries(interface mesh csg geom2d)
     if(USE_GUI)
         target_link_libraries(interface visual)
     endif(USE_GUI)
-    install( TARGETS interface DESTINATION lib )
+    install( TARGETS interface DESTINATION lib COMPONENT netgen )
 endif(NOT WIN32)
 
diff --git a/libsrc/meshing/CMakeLists.txt b/libsrc/meshing/CMakeLists.txt
index a3df32ed..2e3e72bc 100644
--- a/libsrc/meshing/CMakeLists.txt
+++ b/libsrc/meshing/CMakeLists.txt
@@ -30,6 +30,6 @@ endif(APPLE)
 
 if(NOT WIN32)
     target_link_libraries( mesh ${ZLIB_LIBRARIES} ${MPI_CXX_LIBRARIES} ${PYTHON_LIBS} ${METIS_LIBRARY})
-    install( TARGETS mesh DESTINATION lib )
+    install( TARGETS mesh DESTINATION lib COMPONENT netgen )
 endif(NOT WIN32)
 
diff --git a/libsrc/occ/CMakeLists.txt b/libsrc/occ/CMakeLists.txt
index 019e0542..4f563090 100644
--- a/libsrc/occ/CMakeLists.txt
+++ b/libsrc/occ/CMakeLists.txt
@@ -7,8 +7,8 @@ add_library(occ ${NG_LIB_TYPE}
 add_library(occvis ${NG_LIB_TYPE} occpkg.cpp vsocc.cpp)
 
 if(NOT WIN32)
-    target_link_libraries( occ ${OCCLIBS} ${PYTHON_LIBS})
+    target_link_libraries( occ ${OCC_LIBRARIES} ${PYTHON_LIBS})
     target_link_libraries( occvis occ )
-    install( TARGETS occ occvis DESTINATION lib )
+    install( TARGETS occ occvis DESTINATION lib COMPONENT netgen )
 endif(NOT WIN32)
 
diff --git a/libsrc/stlgeom/CMakeLists.txt b/libsrc/stlgeom/CMakeLists.txt
index b6542977..c4083a7d 100644
--- a/libsrc/stlgeom/CMakeLists.txt
+++ b/libsrc/stlgeom/CMakeLists.txt
@@ -6,7 +6,7 @@ add_library(stl ${NG_LIB_TYPE}
 if(NOT WIN32)
     target_link_libraries( stl mesh  ${PYTHON_LIBS})
     target_link_libraries( stl ${PYTHON_LIBS})
-    install( TARGETS stl DESTINATION lib )
+    install( TARGETS stl DESTINATION lib COMPONENT netgen )
 endif(NOT WIN32)
 
 if(USE_GUI)
@@ -15,7 +15,7 @@ if(USE_GUI)
             )
     if(NOT WIN32)
         target_link_libraries( stlvis stl )
-        install( TARGETS stlvis DESTINATION lib )
+        install( TARGETS stlvis DESTINATION lib COMPONENT netgen )
     endif(NOT WIN32)
 endif(USE_GUI)
 
diff --git a/libsrc/visualization/CMakeLists.txt b/libsrc/visualization/CMakeLists.txt
index f3ce3db0..c9b9afc8 100644
--- a/libsrc/visualization/CMakeLists.txt
+++ b/libsrc/visualization/CMakeLists.txt
@@ -1,5 +1,5 @@
 add_definitions(-DNGINTERFACE_EXPORTS)
-install(FILES soldata.hpp DESTINATION include)
+install(FILES soldata.hpp DESTINATION include COMPONENT netgen_devel )
 
 # AM_CPPFLAGS =  $(MPI_INCLUDES) -I$(top_srcdir)/libsrc/include  -DOPENGL -D$(TOGL_WINDOWINGSYSTEM) $(OCCFLAGS) $(TCL_INCLUDES)
 
@@ -10,7 +10,7 @@ if(USE_GUI)
             )
     if(NOT WIN32)
         target_link_libraries( visual ${PYTHON_LIBS} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TCL_LIBRARY} )
-        install( TARGETS visual DESTINATION lib )
+        install( TARGETS visual DESTINATION lib COMPONENT netgen )
     endif(NOT WIN32)
 endif(USE_GUI)
 
diff --git a/ng/CMakeLists.txt b/ng/CMakeLists.txt
index 8d6c4347..338d3589 100644
--- a/ng/CMakeLists.txt
+++ b/ng/CMakeLists.txt
@@ -32,10 +32,10 @@ if(USE_GUI)
     if(WIN32)
         set_target_properties( netgenlib PROPERTIES OUTPUT_NAME interface ) 
     else(WIN32)
-        target_link_libraries( netgenlib visual csgvis csg interface mesh togl)
+        target_link_libraries( netgenlib visual csgvis csg interface mesh occ occvis togl)
     endif(WIN32)
 
-    target_link_libraries( netgenlib ${LIBPTHREAD} ${OCCLIBS} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} ${PYTHON_LIBS} ${FFMPEG_LIBRARIES})
+    target_link_libraries( netgenlib ${LIBPTHREAD} ${OCC_LIBRARIES} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} ${PYTHON_LIBS} ${FFMPEG_LIBRARIES})
     target_link_libraries( netgen netgenlib )
 
     install(TARGETS netgenlib ${ng_install_dir})
@@ -60,7 +60,7 @@ install(FILES
     ngvisual.tcl sockets.tcl drawing.tcl nghelp.tcl ngshell.tcl	  
     ngtesting.tcl parameters.tcl variables.tcl csgeom.tcl stlgeom.tcl 
     occgeom.tcl acisgeom.tcl netgen.ocf
-    DESTINATION bin)
+    DESTINATION bin COMPONENT netgen)
 
 if(USE_GUI AND NOT WIN32)
     add_subdirectory(Togl-1.7)
diff --git a/ng/ngpkg.cpp b/ng/ngpkg.cpp
index f22add78..c74e62c6 100644
--- a/ng/ngpkg.cpp
+++ b/ng/ngpkg.cpp
@@ -2324,7 +2324,7 @@ namespace netgen
     static int gopsize = DEFAULT_GOP_SIZE;
     static int bframes = DEFAULT_B_FRAMES;
     static int MPGbufsize = DEFAULT_MPG_BUFSIZE;
-    static CodecID codec_id = CODEC_ID_MPEG1VIDEO;
+    static AVCodecID codec_id = CODEC_ID_MPEG1VIDEO;
     static FILE *MPGfile;
     static buffer_t buff;
     static struct SwsContext *img_convert_ctx;
diff --git a/nglib/CMakeLists.txt b/nglib/CMakeLists.txt
index 4dd6aaa8..afcba472 100644
--- a/nglib/CMakeLists.txt
+++ b/nglib/CMakeLists.txt
@@ -2,7 +2,7 @@
 
 add_definitions(-DNGLIB_EXPORTS)
 # ADD_LIBRARY(nglib SHARED nglib.cpp)
-# TARGET_LINK_LIBRARIES( nglib interface geom2d csg stl occ mesh ${OCCLIBS} ${MPI_CXX_LIBRARIES} )
+# TARGET_LINK_LIBRARIES( nglib interface geom2d csg stl occ mesh ${OCC_LIBRARIES} ${MPI_CXX_LIBRARIES} )
 set(nglib_sources nglib.cpp)
 
 if(WIN32)
@@ -27,22 +27,22 @@ endif(WIN32)
 
 add_library(nglib SHARED ${nglib_sources} ${nglib_objects})
 
-target_link_libraries( nglib ${LIBPTHREAD} ${OCCLIBS} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} )
+target_link_libraries( nglib ${LIBPTHREAD} ${OCC_LIBRARIES} ${LIBTOGL} ${MPI_CXX_LIBRARIES} ${OPENGL_LIBRARIES} ${TK_LIBRARY} ${TCL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT} ${X11_Xmu_LIB} ${JPEG_LIBRARIES} ${MKL_LIBRARIES} ${ZLIB_LIBRARIES} )
 
 if(USE_PYTHON)
     target_link_libraries(nglib ${PYTHON_LIBS})
 endif(USE_PYTHON)
 
-if(NOT WIN32)
-    add_executable(ng_vol ng_vol.cpp ${nglib_objects})
-    target_link_libraries( ng_vol nglib ${OCCLIBS} ${MPI_CXX_LIBRARIES} )
-    target_link_libraries( ng_vol nglib interface geom2d csg stl occ mesh )
-
-    add_executable(ng_stl ng_stl.cpp ${nglib_objects})
-    target_link_libraries( ng_stl nglib ${OCCLIBS} ${MPI_CXX_LIBRARIES} )
-    target_link_libraries( ng_stl nglib interface geom2d csg stl occ mesh )
-
-    install(TARGETS nglib ng_vol ng_stl ${ng_install_dir})
-endif(NOT WIN32)
+# if(NOT WIN32)
+#     add_executable(ng_vol ng_vol.cpp ${nglib_objects})
+#     target_link_libraries( ng_vol nglib ${OCC_LIBRARIES} ${MPI_CXX_LIBRARIES} )
+#     target_link_libraries( ng_vol nglib interface geom2d csg stl occ mesh )
+# 
+#     add_executable(ng_stl ng_stl.cpp ${nglib_objects})
+#     target_link_libraries( ng_stl nglib ${OCC_LIBRARIES} ${OCC_OCAF_LIBRARIES} ${MPI_CXX_LIBRARIES} )
+#     target_link_libraries( ng_stl nglib interface geom2d csg stl occ mesh )
+# 
+#     install(TARGETS nglib ng_vol ng_stl ${ng_install_dir})
+# endif(NOT WIN32)
 
 install(TARGETS nglib ${ng_install_dir})
diff --git a/py_tutorials/CMakeLists.txt b/py_tutorials/CMakeLists.txt
index b2be5c4d..895911a4 100644
--- a/py_tutorials/CMakeLists.txt
+++ b/py_tutorials/CMakeLists.txt
@@ -1,4 +1,5 @@
 install( FILES 
         shaft.geo mesh.py exportNeutral.py
         DESTINATION share/netgen/py_tutorials
+        COMPONENT netgen_tutorial
        )
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 040d6a4a..da1ccaa7 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -1,5 +1,5 @@
-install(FILES
-        __init__.py meshing.py csg.py
+install(FILES __init__.py meshing.py csg.py
         DESTINATION ${PYTHON_PACKAGES_INSTALL_DIR}/netgen
-       )
+        COMPONENT netgen
+        )
 
diff --git a/tutorials/CMakeLists.txt b/tutorials/CMakeLists.txt
index bc621bc0..0fea9d39 100644
--- a/tutorials/CMakeLists.txt
+++ b/tutorials/CMakeLists.txt
@@ -8,4 +8,5 @@ install( FILES
         hinge.stl  part1.stl frame.step  screw.step					   
         squarehole.in2d squarecircle.in2d square.in2d
         DESTINATION share/netgen
+        COMPONENT netgen_tutorial
        )