ENH: Remove support for wrapping with WRAP_EXPLICIT

The EXPLICIT generation of all symbols for C++ appears to
not be working properly, and is not tested.

Author: hjmjohnson

CMake/ITKConfig.cmake.in

@@ -111,10 +111,8 @@ set(ITK_USE_GPU "@ITK_USE_GPU@")
 
 # Wrapping
 set(ITK_WRAPPING "@ITK_WRAPPING@")
-# ITK_WRAP_SWIGINTERFACE and ITK_WRAP_CASTXML are set
-# to ITK_WRAPPING value.
-# ITK_WRAP_DOC and ITK_WRAP_EXPLICIT are disabled by
-# default.
+# ITK_WRAP_SWIGINTERFACE and ITK_WRAP_CASTXML are set to ITK_WRAPPING value.
+# ITK_WRAP_DOC is disabled by default.
 
 if( NOT DEFINED ITK_WRAP_PYTHON)
   set(ITK_WRAP_PYTHON "@ITK_WRAP_PYTHON@")

CMake/ITKModuleExternal.cmake

@@ -193,14 +193,11 @@ endif()
 if(ITK_WRAPPING)
   CMAKE_DEPENDENT_OPTION(${itk-module}_WRAP_PYTHON "Build Python support." ${ITK_WRAP_PYTHON}
                        "ITK_WRAP_PYTHON" OFF)
-  CMAKE_DEPENDENT_OPTION(${itk-module}_WRAP_EXPLICIT "Build Explicit support." OFF
-                       "ITK_WRAP_EXPLICIT" OFF)
   CMAKE_DEPENDENT_OPTION(${itk-module}_WRAP_DOC "Build Doxygen support." OFF
                        "ITK_WRAP_DOC" OFF)
   set(${itk-module}_WRAP_CASTXML ${ITK_WRAPPING})
   set(${itk-module}_WRAP_SWIGINTERFACE ${ITK_WRAPPING})
   if( (${itk-module}_WRAP_PYTHON OR
-       ${itk-module}_WRAP_EXPLICIT OR
        ${itk-module}_WRAP_DOC
       )
     AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/wrapping/CMakeLists.txt"

Wrapping/Generators/CMakeLists.txt

@@ -24,9 +24,6 @@ endmacro()
 
 macro(itk_wrap_module_all_generators library_name)
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_wrap_module_explicit("${library_name}")
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_wrap_module_castxml("${library_name}")
   endif()
@@ -44,9 +41,6 @@ endmacro()
 
 macro(itk_wrap_submodule_all_generators module)
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_wrap_submodule_explicit("${module}")
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_wrap_submodule_castxml("${module}")
   endif()
@@ -63,9 +57,6 @@ endmacro()
 
 macro(itk_end_wrap_submodule_all_generators module)
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_end_wrap_submodule_explicit("${module}")
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_end_wrap_submodule_castxml("${module}")
   endif()
@@ -105,9 +96,6 @@ endmacro()
 
 macro(itk_wrap_include_all_generators inc)
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_wrap_include_explicit("${inc}")
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_wrap_include_castxml("${inc}")
   endif()
@@ -126,9 +114,6 @@ endmacro()
 
 macro(itk_wrap_one_type_all_generators wrap_method wrap_class swig_name template_params)
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_wrap_one_type_explicit("${wrap_method}" "${wrap_class}" "${swig_name}" "${template_params}")
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_wrap_one_type_castxml("${wrap_method}" "${wrap_class}" "${swig_name}" "${template_params}")
   endif()
@@ -217,7 +202,7 @@ foreach(lang ${generators})
     set(WRAP_ITK_UNUSED_GENERATORS ${WRAP_ITK_UNUSED_GENERATORS} "${lang}")
   endif()
 endforeach()
-mark_as_advanced(${module_prefix}_WRAP_EXPLICIT ${module_prefix}_WRAP_DOC)
+mark_as_advanced(${module_prefix}_WRAP_DOC)
 set(WRAP_ITK_GENERATORS ${WRAP_ITK_GENERATORS} CACHE INTERNAL "Internal generators list.")
 set(WRAP_ITK_UNUSED_GENERATORS ${WRAP_ITK_UNUSED_GENERATORS} CACHE INTERNAL "Internal unused generators list.")
 

Wrapping/Generators/Explicit/CMakeLists.txt

@@ -473,10 +473,6 @@ ${DO_NOT_WAIT_FOR_THREADS_DECLS}
     if(${module_prefix}_WRAP_DOC)
       add_dependencies(${lib} ${WRAPPER_LIBRARY_NAME}Doxygen)
     endif()
-    if(${module_prefix}_WRAP_EXPLICIT AND NOT ${WRAPPER_LIBRARY_NAME} STREQUAL ITKPyBase)
-      target_link_libraries(${lib} LINK_PUBLIC ${WRAPPER_LIBRARY_NAME}Explicit)
-      add_dependencies(${lib} ${WRAPPER_LIBRARY_NAME}Explicit)
-    endif()
     set(_component_module "")
     if(WRAP_ITK_INSTALL_COMPONENT_PER_MODULE)
       if("${WRAPPER_LIBRARY_NAME}" MATCHES "^ITK(PyUtils|PyBase)$")

Wrapping/Generators/Explicit/Explicit.cxx.in

@@ -337,11 +337,6 @@ macro(itk_end_wrap_module_swig_interface)
       set(ENV{ITK_STUB_TEMPLATE_IMPORTS} "$ENV{ITK_STUB_TEMPLATE_IMPORTS}from .${module}Template import *;")
       set(ENV{ITK_STUB_PROXY_IMPORTS} "$ENV{ITK_STUB_PROXY_IMPORTS}from .${module}Proxy import *;")
     endif()
-
-
-    if(${module_prefix}_WRAP_EXPLICIT)
-      list(APPEND opts --include "${WRAPPER_LIBRARY_NAME}Explicit.h")
-    endif()
   endforeach()
 
   # the master idx file (mdx file)

Wrapping/Generators/Explicit/Explicit.h.in

@@ -120,9 +120,6 @@ macro(itk_end_wrap_module)
   endif()
 
   itk_wrap_modules_set_prefix()
-  if(${module_prefix}_WRAP_EXPLICIT)
-    itk_end_wrap_module_explicit()
-  endif()
   if(${module_prefix}_WRAP_CASTXML)
     itk_end_wrap_module_castxml()
   endif()