COMP: allow building default configuration in ITK 4.13

Author: dzenanz

CMakeLists.txt

@@ -47,6 +47,7 @@ include_directories(${CMAKE_BINARY_DIR})
 if(NOT ITK_SOURCE_DIR)
   include(ITKModuleExternal)
 else()
+  set(ITK_DIR ${CMAKE_BINARY_DIR})
   itk_module_impl()
 endif()
 add_subdirectory(examples)

src/CMakeLists.txt

@@ -1,5 +1,10 @@
 # An option to allow building against ITK before 2018-02-20 when itkBuildInformation.h was not available
-option(ITK_HAS_INFORMATION_H "If itk::BuildInformation::GetInstance is available (after 2018-02-20)" ON)
+if (ITK_VERSION_MAJOR LESS 5)
+  set(HAS_INFO OFF)
+else()
+  set(HAS_INFO ON)
+endif()
+option(ITK_HAS_INFORMATION_H "If itk::BuildInformation::GetInstance is available (after 2018-02-20)" ${HAS_INFO})
 
 include(${CMAKE_CURRENT_LIST_DIR}/../CMake/GetGitRevisionDescription.cmake)
 get_git_head_revision(GIT_CONFIG_REFSPEC GIT_CONFIG_SHA1)