diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index beb869f2a3..56cb5de90b 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -54,7 +54,7 @@ ELSE()
 	MESSAGE(FATAL_ERROR "Unable to find header files, aborting")
 ENDIF()
 
-SET(OCE_LIBRARIES
+SET(OPENCASCADE_LIBRARIES
 	TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO
 	TKFillet TKSTEP TKSTEPBase TKSTEPAttr TKXSBase TKSTEP209 TKIGES TKOffset
 )
@@ -251,7 +251,7 @@ file(GLOB H_FILES ../src/ifcconvert/*.h)
 set(SOURCE_FILES ${CPP_FILES} ${H_FILES})
 ADD_EXECUTABLE(IfcConvert ${SOURCE_FILES})
 
-TARGET_LINK_LIBRARIES(IfcConvert IfcParse IfcGeom ${OCE_LIBRARIES} ${Boost_LIBRARIES} ${OPENCOLLADA_LIBRARIES})
+TARGET_LINK_LIBRARIES(IfcConvert IfcParse IfcGeom ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES} ${OPENCOLLADA_LIBRARIES})
 
 # IfcGeomServer
 file(GLOB CPP_FILES ../src/ifcgeomserver/*.cpp)
@@ -259,7 +259,7 @@ file(GLOB H_FILES ../src/ifcgeomserver/*.h)
 set(SOURCE_FILES ${CPP_FILES} ${H_FILES})
 ADD_EXECUTABLE(IfcGeomServer ${SOURCE_FILES})
 
-TARGET_LINK_LIBRARIES(IfcGeomServer IfcParse IfcGeom ${OCE_LIBRARIES} ${Boost_LIBRARIES})
+TARGET_LINK_LIBRARIES(IfcGeomServer IfcParse IfcGeom ${OPENCASCADE_LIBRARIES} ${Boost_LIBRARIES})
 
 IF(BUILD_IFCPYTHON)
 	ADD_SUBDIRECTORY(../src/ifcwrap ifcwrap)
diff --git a/src/examples/CMakeLists.txt b/src/examples/CMakeLists.txt
index e572379ec1..0f0da6a525 100644
--- a/src/examples/CMakeLists.txt
+++ b/src/examples/CMakeLists.txt
@@ -1,5 +1,24 @@
+################################################################################
+#                                                                              #
+# This file is part of IfcOpenShell.                                           #
+#                                                                              #
+# IfcOpenShell is free software: you can redistribute it and/or modify         #
+# it under the terms of the Lesser GNU General Public License as published by  #
+# the Free Software Foundation, either version 3.0 of the License, or          #
+# (at your option) any later version.                                          #
+#                                                                              #
+# IfcOpenShell is distributed in the hope that it will be useful,              #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 #
+# Lesser GNU General Public License for more details.                          #
+#                                                                              #
+# You should have received a copy of the Lesser GNU General Public License     #
+# along with this program. If not, see <http://www.gnu.org/licenses/>.         #
+#                                                                              #
+################################################################################
+
 ADD_EXECUTABLE(IfcParseExamples IfcParseExamples.cpp)
-TARGET_LINK_LIBRARIES (IfcParseExamples IfcParse)
+TARGET_LINK_LIBRARIES(IfcParseExamples IfcParse)
 
 ADD_EXECUTABLE(IfcOpenHouse IfcOpenHouse.cpp)
-TARGET_LINK_LIBRARIES (IfcOpenHouse IfcParse IfcGeom TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO TKFillet TKOffset)
+TARGET_LINK_LIBRARIES(IfcOpenHouse IfcParse IfcGeom ${OPENCASCADE_LIBRARIES})
diff --git a/src/ifcwrap/CMakeLists.txt b/src/ifcwrap/CMakeLists.txt
index c903d53566..8bbc653dde 100644
--- a/src/ifcwrap/CMakeLists.txt
+++ b/src/ifcwrap/CMakeLists.txt
@@ -50,7 +50,7 @@ ENDIF()
 
 SET_SOURCE_FILES_PROPERTIES(IfcPython.i PROPERTIES CPLUSPLUS ON)
 SWIG_ADD_MODULE(ifcopenshell_wrapper python IfcPython.i)
-SWIG_LINK_LIBRARIES(ifcopenshell_wrapper IfcParse IfcGeom ${PYTHON_LIBRARIES} ${OCE_LIBRARIES} ${ICU_LIBRARIES})
+SWIG_LINK_LIBRARIES(ifcopenshell_wrapper IfcParse IfcGeom ${PYTHON_LIBRARIES} ${OPENCASCADE_LIBRARIES} ${ICU_LIBRARIES})
 
 # To install IfcPython let's get the site-packages dir from python
 EXECUTE_PROCESS(COMMAND
diff --git a/src/qtviewer/CMakeLists.txt b/src/qtviewer/CMakeLists.txt
index f6442fcfa8..994a44ed16 100644
--- a/src/qtviewer/CMakeLists.txt
+++ b/src/qtviewer/CMakeLists.txt
@@ -1,3 +1,21 @@
+################################################################################
+#                                                                              #
+# This file is part of IfcOpenShell.                                           #
+#                                                                              #
+# IfcOpenShell is free software: you can redistribute it and/or modify         #
+# it under the terms of the Lesser GNU General Public License as published by  #
+# the Free Software Foundation, either version 3.0 of the License, or          #
+# (at your option) any later version.                                          #
+#                                                                              #
+# IfcOpenShell is distributed in the hope that it will be useful,              #
+# but WITHOUT ANY WARRANTY; without even the implied warranty of               #
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                 #
+# Lesser GNU General Public License for more details.                          #
+#                                                                              #
+# You should have received a copy of the Lesser GNU General Public License     #
+# along with this program. If not, see <http://www.gnu.org/licenses/>.         #
+#                                                                              #
+################################################################################
 
 OPTION( QT_USE_QTVIEWER "IfcOpenShell QT GUI Viewer, QT environment required" OFF )
 
@@ -40,7 +58,7 @@ QT_WRAP_CPP(QTviewer QTviewer_SRCS ${QTviewer_MOC_SRCS})
 ADD_EXECUTABLE(  QTviewer ${QTviewer_SRCS} ${QTviewer_MOC_SRCS})
 #http://www.qtcentre.org/wiki/index.php?title=Compiling_Qt4_apps_with_CMake
 
-TARGET_LINK_libRARIES (QTviewer IfcParse IfcGeom ${QT_LIBRARIES} TKernel TKMath TKBRep TKGeomBase TKGeomAlgo TKG3d TKG2d TKShHealing TKTopAlgo TKMesh TKPrim TKBool TKBO TKFillet)
+TARGET_LINK_libRARIES (QTviewer IfcParse IfcGeom ${QT_LIBRARIES} ${OPENCASCADE_LIBRARIES})
 
 
 ENDIF (QT_USE_QTVIEWER)