ENH: build examples as part of CI testing

Author: dzenanz

.github/workflows/build-test-package.yml

@@ -108,6 +108,7 @@ jobs:
         endif()
         set(dashboard_cache "
         ITK_DIR:PATH=\${CTEST_DASHBOARD_ROOT}/ITK-b
+        Module_MorphologicalContourInterpolation_BUILD_EXAMPLES:BOOL=ON
         BUILD_TESTING:BOOL=ON
         ")
         string(TIMESTAMP build_date "%Y-%m-%d")

CMakeLists.txt

@@ -1,11 +1,27 @@
 cmake_minimum_required(VERSION 3.10.2)
+
+if(CMAKE_CXX_STANDARD EQUAL "98" )
+   message(FATAL_ERROR "CMAKE_CXX_STANDARD:STRING=98 is not supported in ITK version 5 and greater.")
+endif()
+
+if(NOT CMAKE_CXX_STANDARD)
+  set(CMAKE_CXX_STANDARD 11) # Supported values are ``11``, ``14``, and ``17``.
+endif()
+if(NOT CMAKE_CXX_STANDARD_REQUIRED)
+  set(CMAKE_CXX_STANDARD_REQUIRED ON)
+endif()
+if(NOT CMAKE_CXX_EXTENSIONS)
+  set(CMAKE_CXX_EXTENSIONS OFF)
+endif()
+
 project(MorphologicalContourInterpolation)
 
 if(NOT ITK_SOURCE_DIR)
   find_package(ITK 4.9 REQUIRED)
   list(APPEND CMAKE_MODULE_PATH ${ITK_CMAKE_DIR})
   include(ITKModuleExternal)
 else()
+  set(ITK_DIR ${CMAKE_BINARY_DIR})
   itk_module_impl()
 endif()