ENH: In CMakeLists.txt, explicitly set the CMake Policy to NEW or OLD

CMakeLists.txt

@@ -1,12 +1,34 @@
 CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
 
-FOREACH(policy CMP0003)
+#-----------------------------------------------------------------------------
+# See http://cmake.org/cmake/help/cmake-2-8-docs.html#section_Policies for details
+#
+
+SET(project_policies
+  CMP0001 # NEW: CMAKE_BACKWARDS_COMPATIBILITY should no longer be used.
+  CMP0002 # NEW: Logical target names must be globally unique.
+  CMP0003 # NEW: Libraries linked via full path no longer produce linker search paths.
+  CMP0004 # NEW: Libraries linked may NOT have leading or trailing whitespace.
+  CMP0005 # NEW: Preprocessor definition values are now escaped automatically.
+  CMP0006 # NEW: Installing MACOSX_BUNDLE targets requires a BUNDLE DESTINATION.
+  CMP0007 # NEW: List command no longer ignores empty elements.
+  CMP0008 # NEW: Libraries linked by full-path must have a valid library file name.
+  CMP0009 # NEW: FILE GLOB_RECURSE calls should not follow symlinks by default.
+  CMP0010 # NEW: Bad variable reference syntax is an error.
+  CMP0011 # NEW: Included scripts do automatic cmake_policy PUSH and POP.
+  CMP0012 # NEW: if() recognizes numbers and boolean constants.
+  CMP0013 # NEW: Duplicate binary directories are not allowed.
+  CMP0014 # NEW: Input directories must have CMakeLists.txt
+  )
+FOREACH(policy ${project_policies})
   IF(POLICY ${policy})
     CMAKE_POLICY(SET ${policy} NEW)
   ENDIF()
 ENDFOREACH()
 
+#-----------------------------------------------------------------------------
 PROJECT(CTK)
+#-----------------------------------------------------------------------------
 
 # Default to shared library
 SET(CTK_LIBRARY_MODE "SHARED")