Bump cmake version to 3.2

CMakeLists.txt

@@ -12,7 +12,7 @@
 # Benoit Scherrer, 2010 CRL, Harvard Medical School
 # Copyright (c) 2008-2009 Children's Hospital Boston
 #==============================================================================
-cmake_minimum_required (VERSION 2.8.11)
+cmake_minimum_required (VERSION 3.2)
 
 if (NOT DEFINED CMAKE_BUILD_TYPE)
   set (CMAKE_BUILD_TYPE Release CACHE STRING "Build type")
@@ -297,7 +297,7 @@ install ( TARGETS ${nlopt_lib}
           ARCHIVE DESTINATION ${RELATIVE_INSTALL_LIB_DIR}
         )
 
-if (MSVC AND BUILD_SHARED_LIBS AND NOT CMAKE_VERSION VERSION_LESS 3.1)
+if (MSVC AND BUILD_SHARED_LIBS)
   install (FILES $<TARGET_PDB_FILE:${nlopt_lib}> DESTINATION ${RELATIVE_INSTALL_BIN_DIR} CONFIGURATIONS Debug RelWithDebInfo COMPONENT Debug)
 endif ()
 

cmake/NLoptConfig.cmake.in

 
-# defined since 2.8.3
-if (CMAKE_VERSION VERSION_LESS 2.8.3)
-  get_filename_component (CMAKE_CURRENT_LIST_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
-endif ()
-
 # Tell the user project where to find our headers and libraries
 
 set (NLOPT_VERSION "@NLOPT_VERSION_STRING@")
@@ -23,6 +18,3 @@ include ("${CMAKE_CURRENT_LIST_DIR}/NLoptLibraryDepends.cmake")
 # These are IMPORTED targets created by NLOPTLibraryDepends.cmake
 set (NLOPT_LIBRARIES "@NLOPT_LIBRARIES@")
 
-if (CMAKE_VERSION VERSION_LESS 2.8.3)
-  set (CMAKE_CURRENT_LIST_DIR)
-endif ()

cmake/TargetLinkLibrariesWithDynamicLookup.cmake

@@ -58,7 +58,7 @@ extern int bar(void);
 int foo(void) {return bar()+1;}
 ")
 
-    if(APPLE AND ${CMAKE_VERSION} VERSION_GREATER 2.8.11)
+    if(APPLE)
       set( _rpath_arg  "-DCMAKE_MACOSX_RPATH='${CMAKE_MACOSX_RPATH}'" )
     else()
       set( _rpath_arg )