Merge topic 'UseSWIG-add-new-behavior'

8ab4e38373 UseSWIG: Add new behavior for better support files management
438429d6fe UseSWIG: Rework tests

Acked-by: Kitware Robot <kwrobot@kitware.com>
Merge-request: !1891

30 files changed, 435 insertions, 166 deletions

diff --git a/Help/release/dev/UseSWIG-Multiple-Behaviors.rst b/Help/release/dev/UseSWIG-Multiple-Behaviors.rst
new file mode 100644
index 0000000..043ba50
--- /dev/null
+++ b/Help/release/dev/UseSWIG-Multiple-Behaviors.rst
@@ -0,0 +1,6 @@
+UseSWIG-multiple-behaviors
+--------------------------
+
+* The :module:`UseSWIG` module learned to manage multiple behaviors through
+  ``UseSWIG_MODULE_VERSION`` variable to ensure legacy support as well as more
+  robust handling of ``SWIG`` advanced features (like ``%template``).
diff --git a/Modules/UseSWIG.cmake b/Modules/UseSWIG.cmake
index 8e7ca41..5f9afc1 100644
--- a/Modules/UseSWIG.cmake
+++ b/Modules/UseSWIG.cmake
@@ -5,7 +5,10 @@
 UseSWIG
 -------
 
-Defines the following command for use with SWIG:
+This file provides support for ``SWIG``. It is assumed that :module:`FindSWIG`
+module has already been loaded.
+
+Defines the following command for use with ``SWIG``:
 
 .. command:: swig_add_library
 
@@ -20,17 +23,19 @@ Defines the following command for use with SWIG:
                      SOURCES <file>...
                     )
 
-  Targets created with command ``swig_add_library`` have the same capabilities as targets
-  created with command :command:`add_library`, so can be used with any command accepting a target
-  especially command :command:`target_link_libraries`.
+  Targets created with the ``swig_add_library`` command have the same
+  capabilities as targets created with the :command:`add_library` command, so
+  those targets can be used with any command expecting a target (e.g.
+  :command:`target_link_libraries`).
 
   The arguments are:
 
   ``TYPE``
-    ``SHARED``, ``MODULE`` and ``STATIC`` have same semantic as command :command:`add_library`.
-    if ``USE_BUILD_SHARED_LIBS`` is specified, library type will be ``STATIC`` or ``SHARED``
-    based on whether the current value of the variable :variable:`BUILD_SHARED_LIBS` is ``ON``.
-    If none is specified, ``MODULE`` will be used.
+    ``SHARED``, ``MODULE`` and ``STATIC`` have the same semantic as for the
+    :command:`add_library` command. If ``USE_BUILD_SHARED_LIBS`` is specified,
+    the library type will be ``STATIC`` or ``SHARED`` based on whether the
+    current value of the :variable:`BUILD_SHARED_LIBS` variable is ``ON``. If
+    no type is specified, ``MODULE`` will be used.
 
   ``LANGUAGE``
     Specify the target language.
@@ -39,22 +44,40 @@ Defines the following command for use with SWIG:
     Prevent the generation of the wrapper layer (swig ``-noproxy`` option).
 
   ``OUTPUT_DIR``
-    Specify where to write the language specific files (swig ``-outdir`` option).
-    If not specified, variable ``CMAKE_SWIG_OUTDIR`` will be used. If none is specified,
-    :variable:`CMAKE_CURRENT_BINARY_DIR` is used.
+    Specify where to write the language specific files (swig ``-outdir``
+    option). If not given, the ``CMAKE_SWIG_OUTDIR`` variable will be used.
+    If neither is specified, the default depends on the value of the
+    ``UseSWIG_MODULE_VERSION`` variable as follows:
+
+    * If ``UseSWIG_MODULE_VERSION`` is 1 or is undefined, output is written to
+      the :variable:`CMAKE_CURRENT_BINARY_DIR` directory.
+    * If ``UseSWIG_MODULE_VERSION`` is 2, a dedicated directory will be used.
+      The path of this directory can be retrieved from the
+      ``SWIG_SUPPORT_FILES_DIRECTORY`` target property.
 
   ``OUTFILE_DIR``
-    Specify an output directory name where the generated source file will be placed
-    (swig -o option). If not specified, variable ``SWIG_OUTFILE_DIR`` will be used.
-    If none is specified, option ``OUTPUT_DIR`` or variable ``CMAKE_SWIG_OUTDIR`` is used.
+    Specify an output directory name where the generated source file will be
+    placed (swig -o option). If not specified, the ``SWIG_OUTFILE_DIR`` variable
+    will be used. If neither is specified, ``OUTPUT_DIR`` or
+    ``CMAKE_SWIG_OUTDIR`` is used instead.
 
   ``SOURCES``
-    List of sources for the library. Files with extension ``.i`` will be identified as sources
-    for ``SWIG`` tool. Other files will be handled in the standard way.
+    List of sources for the library. Files with extension ``.i`` will be
+    identified as sources for the ``SWIG`` tool. Other files will be handled in
+    the standard way.
+
+.. note::
 
-Source files properties on module files **must** be set before the invocation
-of the ``swig_add_library`` command to specify special behavior of SWIG and ensure
-generated files will receive required settings.
+  If ``UseSWIG_MODULE_VERSION`` is set to 2, it is **strongly** recommended
+  to use a dedicated directory unique to the target when either the
+  ``OUTPUT_DIR`` option or the ``CMAKE_SWIG_OUTDIR`` variable are specified.
+  The output directory contents are erased as part of the target build, so
+  to prevent interference between targets or losing other important files, each
+  target should have its own dedicated output directory.
+
+Source file properties on module files **must** be set before the invocation
+of the ``swig_add_library`` command to specify special behavior of SWIG and
+ensure generated files will receive the required settings.
 
 ``CPLUSPLUS``
   Call SWIG in c++ mode.  For example:
@@ -66,7 +89,8 @@ generated files will receive required settings.
 
 ``INCLUDE_DIRECTORIES``, ``COMPILE_DEFINITIONS`` and ``COMPILE_OPTIONS``
   Add custom flags to SWIG compiler and have same semantic as properties
-  :prop_sf:`INCLUDE_DIRECTORIES`, :prop_sf:`COMPILE_DEFINITIONS` and :prop_sf:`COMPILE_OPTIONS`.
+  :prop_sf:`INCLUDE_DIRECTORIES`, :prop_sf:`COMPILE_DEFINITIONS` and
+  :prop_sf:`COMPILE_OPTIONS`.
 
 ``GENERATED_INCLUDE_DIRECTORIES``, ``GENERATED_COMPILE_DEFINITIONS`` and ``GENERATED_COMPILE_OPTIONS``
   Add custom flags to the C/C++ generated source. They will fill, respectively,
@@ -85,12 +109,13 @@ generated files will receive required settings.
 
     set_property(SOURCE mymod.i PROPERTY SWIG_MODULE_NAME mymod_realname)
 
-Target library properties can be set to apply same configuration to all SWIG input files.
+Target library properties can be set to apply same configuration to all SWIG
+input files.
 
 ``SWIG_INCLUDE_DIRECTORIES``, ``SWIG_COMPILE_DEFINITIONS`` and ``SWIG_COMPILE_OPTIONS``
-  These properties will be applied to all SWIG input files and have same semantic as
-  target properties :prop_tgt:`INCLUDE_DIRECTORIES`, :prop_tgt:`COMPILE_DEFINITIONS` and
-  :prop_tgt:`COMPILE_OPTIONS`.
+  These properties will be applied to all SWIG input files and have same
+  semantic as target properties :prop_tgt:`INCLUDE_DIRECTORIES`,
+  :prop_tgt:`COMPILE_DEFINITIONS` and :prop_tgt:`COMPILE_OPTIONS`.
 
   .. code-block:: cmake
 
@@ -99,12 +124,16 @@ Target library properties can be set to apply same configuration to all SWIG inp
     set_property(TARGET mymod PROPERTY SWIG_COMPILE_OPTIONS -bla -blb)
 
 ``SWIG_GENERATED_INCLUDE_DIRECTORIES``, ``SWIG_GENERATED_COMPILE_DEFINITIONS`` and ``SWIG_GENERATED_COMPILE_OPTIONS``
-  These properties will populate, respectively, properties :prop_sf:`INCLUDE_DIRECTORIES`,
-  :prop_sf:`COMPILE_DEFINITIONS` and :prop_sf:`COMPILE_FLAGS` of all generated C/C++ files.
+  These properties will populate, respectively, properties
+  :prop_sf:`INCLUDE_DIRECTORIES`, :prop_sf:`COMPILE_DEFINITIONS` and
+  :prop_sf:`COMPILE_FLAGS` of all generated C/C++ files.
 
 ``SWIG_DEPENDS``
   Add dependencies to all SWIG input files.
 
+The following target properties are output properties and can be used to get
+information about support files generated by ``SWIG`` interface compilation.
+
 ``SWIG_SUPPORT_FILES``
   This output property list of wrapper files generated during SWIG compilation.
 
@@ -113,7 +142,26 @@ Target library properties can be set to apply same configuration to all SWIG inp
     swig_add_library(mymod LANGUAGE python SOURCES mymod.i)
     get_property(support_files TARGET mymod PROPERTY SWIG_SUPPORT_FILES)
 
-Some variables can be set to specify special behavior of SWIG:
+  .. note::
+
+    Only most principal support files are listed. In case some advanced
+    features of ``SWIG`` are used (for example ``%template``), associated
+    support files may not be listed. Prefer to use the
+    ``SWIG_SUPPORT_FILES_DIRECTORY`` property to handle support files.
+
+``SWIG_SUPPORT_FILES_DIRECTORY``
+  This output property specifies the directory where support files will be
+  generated.
+
+Some variables can be set to customize the behavior of ``swig_add_library``
+as well as ``SWIG``:
+
+``UseSWIG_MODULE_VERSION``
+  Specify different behaviors for ``UseSWIG`` module.
+
+  * Set to 1 or undefined: Legacy behavior is applied.
+  * Set to 2: A new strategy is applied regarding support files: the output
+    directory of support files is erased before ``SWIG`` interface compilation.
 
 ``CMAKE_SWIG_FLAGS``
   Add flags to all swig calls.
@@ -158,7 +206,6 @@ macro(SWIG_MODULE_INITIALIZE name language)
   string(TOUPPER "${language}" SWIG_MODULE_${name}_LANGUAGE)
   string(TOLOWER "${language}" SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG)
 
-  set(SWIG_MODULE_${name}_NAME "${name}")
   set(SWIG_MODULE_${name}_EXTRA_FLAGS)
   if (NOT DEFINED SWIG_MODULE_${name}_NOPROXY)
     set (SWIG_MODULE_${name}_NOPROXY FALSE)
@@ -172,11 +219,6 @@ macro(SWIG_MODULE_INITIALIZE name language)
   endif()
   if(SWIG_MODULE_${name}_LANGUAGE STREQUAL "UNKNOWN")
     message(FATAL_ERROR "SWIG Error: Language \"${language}\" not found")
-  elseif(SWIG_MODULE_${name}_LANGUAGE STREQUAL "PYTHON" AND NOT SWIG_MODULE_${name}_NOPROXY)
-    # swig will produce a module.py containing an 'import _modulename' statement,
-    # which implies having a corresponding _modulename.so (*NIX), _modulename.pyd (Win32),
-    # unless the -noproxy flag is used
-    set(SWIG_MODULE_${name}_NAME "_${name}")
   elseif(SWIG_MODULE_${name}_LANGUAGE STREQUAL "PERL")
     list(APPEND SWIG_MODULE_${name}_EXTRA_FLAGS "-shadow")
   endif()
@@ -332,6 +374,14 @@ function(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
     list (APPEND swig_dependencies ${file_depends})
   endif()
 
+  if (UseSWIG_MODULE_VERSION VERSION_EQUAL 2)
+    # as part of custom command, start by removing old generated files
+    # to ensure obsolete files do not stay
+    set (swig_cleanup_command COMMAND "${CMAKE_COMMAND}" -E remove_directory "${outdir}")
+  else()
+    unset (swig_cleanup_command)
+  endif()
+
   # IMPLICIT_DEPENDS below can not handle situations where a dependent file is
   # removed. We need an extra step with timestamp and custom target, see #16830
   # As this is needed only for Makefile generator do it conditionally
@@ -352,10 +402,11 @@ function(SWIG_ADD_SOURCE_TO_MODULE name outfiles infile)
   add_custom_command(
     OUTPUT ${swig_custom_output}
     ${swig_custom_products}
+    ${swig_cleanup_command}
     # Let's create the ${outdir} at execution time, in case dir contains $(OutDir)
     COMMAND "${CMAKE_COMMAND}" -E make_directory ${outdir} ${outfiledir}
     ${swig_timestamp_command}
-    COMMAND "${SWIG_EXECUTABLE}"
+    COMMAND "${CMAKE_COMMAND}" -E env "SWIG_LIB=${SWIG_DIR}" "${SWIG_EXECUTABLE}"
     "-${SWIG_MODULE_${name}_SWIG_LANGUAGE_FLAG}"
     "${swig_source_file_flags}"
     -outdir "${outdir}"
@@ -434,6 +485,12 @@ function(SWIG_ADD_LIBRARY name)
     unset(_SAM_TYPE)
   endif()
 
+  if (NOT DEFINED UseSWIG_MODULE_VERSION)
+    set (UseSWIG_MODULE_VERSION 1)
+  elseif (NOT UseSWIG_MODULE_VERSION MATCHES "^(1|2)$")
+    message (FATAL_ERROR "UseSWIG_MODULE_VERSION: ${UseSWIG_MODULE_VERSION}: invalid value. 1 or 2 is expected.")
+  endif()
+
   set (workingdir "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/${name}.dir")
   # set special variable to pass extra information to command SWIG_ADD_SOURCE_TO_MODULE
   # which cannot be changed due to legacy compatibility
@@ -444,7 +501,11 @@ function(SWIG_ADD_LIBRARY name)
     if (CMAKE_SWIG_OUTDIR)
       set (outputdir "${CMAKE_SWIG_OUTDIR}")
     else()
-      set (outputdir "${CMAKE_CURRENT_BINARY_DIR}")
+      if (UseSWIG_MODULE_VERSION VERSION_EQUAL 2)
+        set (outputdir "${workingdir}/${_SAM_LANGUAGE}.files")
+      else()
+        set (outputdir "${CMAKE_CURRENT_BINARY_DIR}")
+      endif()
     endif()
   endif()
 
@@ -470,6 +531,9 @@ function(SWIG_ADD_LIBRARY name)
 
   set(swig_dot_i_sources ${_SAM_SOURCES})
   list(FILTER swig_dot_i_sources INCLUDE REGEX "\\.i$")
+  if (NOT swig_dot_i_sources)
+    message(FATAL_ERROR "SWIG_ADD_LIBRARY: no SWIG interface files specified")
+  endif()
   set(swig_other_sources ${_SAM_SOURCES})
   list(REMOVE_ITEM swig_other_sources ${swig_dot_i_sources})
 
@@ -486,12 +550,14 @@ function(SWIG_ADD_LIBRARY name)
   endforeach()
   set_property (DIRECTORY APPEND PROPERTY
     ADDITIONAL_MAKE_CLEAN_FILES ${swig_generated_sources} ${swig_generated_timestamps})
+  if (UseSWIG_MODULE_VERSION VERSION_EQUAL 2)
+    set_property (DIRECTORY APPEND PROPERTY ADDITIONAL_MAKE_CLEAN_FILES "${outputdir}")
+  endif()
 
   add_library(${name}
     ${_SAM_TYPE}
     ${swig_generated_sources}
     ${swig_other_sources})
-  set_target_properties(${name} PROPERTIES OUTPUT_NAME "${SWIG_MODULE_${name}_NAME}")
   if(CMAKE_GENERATOR MATCHES "Make")
     # see IMPLICIT_DEPENDS above
     add_custom_target(${name}_swig_compilation DEPENDS ${swig_generated_timestamps})
@@ -524,8 +590,14 @@ function(SWIG_ADD_LIBRARY name)
       set_target_properties(${name} PROPERTIES PREFIX "")
     endif()
   elseif (swig_lowercase_language STREQUAL "python")
-    # this is only needed for the python case where a _modulename.so is generated
-    set_target_properties(${name} PROPERTIES PREFIX "")
+    if (SWIG_MODULE_${name}_NOPROXY)
+      set_target_properties(${name} PROPERTIES PREFIX "")
+    else()
+      # swig will produce a module.py containing an 'import _modulename' statement,
+      # which implies having a corresponding _modulename.so (*NIX), _modulename.pyd (Win32),
+      # unless the -noproxy flag is used
+      set_target_properties(${name} PROPERTIES PREFIX "_")
+    endif()
     # Python extension modules on Windows must have the extension ".pyd"
     # instead of ".dll" as of Python 2.5.  Older python versions do support
     # this suffix.
@@ -560,7 +632,10 @@ function(SWIG_ADD_LIBRARY name)
     # assume empty prefix because we expect the module to be dynamically loaded
     set_target_properties (${name} PROPERTIES PREFIX "")
   endif ()
-  # target property SWIG_SUPPORT_FILES lists proxy support files
+
+  # target property SWIG_SUPPORT_FILES_DIRECTORY specify output directory of support files
+  set_property (TARGET ${name} PROPERTY SWIG_SUPPORT_FILES_DIRECTORY "${outputdir}")
+  # target property SWIG_SUPPORT_FILES lists principal proxy support files
   if (NOT SWIG_MODULE_${name}_NOPROXY)
     string(TOUPPER "${_SAM_LANGUAGE}" swig_uppercase_language)
     set(swig_all_support_files)
@@ -572,7 +647,7 @@ function(SWIG_ADD_LIBRARY name)
     if (swig_all_support_files)
       list(REMOVE_DUPLICATES swig_all_support_files)
     endif()
-    set_property (TARGET ${name} APPEND PROPERTY SWIG_SUPPORT_FILES ${swig_all_support_files})
+    set_property (TARGET ${name} PROPERTY SWIG_SUPPORT_FILES ${swig_all_support_files})
   endif()
 
   # to ensure legacy behavior, export some variables
diff --git a/Tests/CMakeLists.txt b/Tests/CMakeLists.txt
index 1344692..1309c42 100644
--- a/Tests/CMakeLists.txt
+++ b/Tests/CMakeLists.txt
@@ -1431,6 +1431,10 @@ ${CMake_BINARY_DIR}/bin/cmake -DDIR=dev -P ${CMake_SOURCE_DIR}/Utilities/Release
     add_subdirectory(FindPython)
   endif()
 
+  if(CMake_TEST_UseSWIG)
+    add_subdirectory(UseSWIG)
+  endif()
+
   add_subdirectory(FindThreads)
 
   # Matlab module
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index ff4a80e..c0c361e 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -362,11 +362,6 @@ if(CMake_TEST_FindMatlab)
   add_RunCMake_test(FindMatlab)
 endif()
 
-# UseSWIG related tests
-if(CMake_TEST_UseSWIG)
-  add_RunCMake_test(UseSWIG)
-endif()
-
 add_executable(pseudo_emulator pseudo_emulator.c)
 add_executable(pseudo_emulator_custom_command pseudo_emulator_custom_command.c)
 add_RunCMake_test(CrosscompilingEmulator
diff --git a/Tests/RunCMake/UseSWIG/BasicPython.cmake b/Tests/RunCMake/UseSWIG/BasicPython.cmake
deleted file mode 100644
index 873dbe9..0000000
--- a/Tests/RunCMake/UseSWIG/BasicPython.cmake
+++ /dev/null
@@ -1,9 +0,0 @@
-
-set(language "python")
-
-include (BasicConfiguration.cmake)
-
-add_custom_target (RunTest
-  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:example>"
-  "${Python_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/runme.py"
-  DEPENDS example)
diff --git a/Tests/RunCMake/UseSWIG/CMakeLists.txt b/Tests/RunCMake/UseSWIG/CMakeLists.txt
deleted file mode 100644
index 2d75985..0000000
--- a/Tests/RunCMake/UseSWIG/CMakeLists.txt
+++ /dev/null
@@ -1,3 +0,0 @@
-cmake_minimum_required(VERSION 3.1)
-project(${RunCMake_TEST} CXX)
-include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/UseSWIG/LegacyPython.cmake b/Tests/RunCMake/UseSWIG/LegacyPython.cmake
deleted file mode 100644
index 8b47aa2..0000000
--- a/Tests/RunCMake/UseSWIG/LegacyPython.cmake
+++ /dev/null
@@ -1,9 +0,0 @@
-
-set(language "python")
-
-include (LegacyConfiguration.cmake)
-
-add_custom_target (RunTest
-  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:${SWIG_MODULE_example_REAL_NAME}>"
-  "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/runme.py"
-  DEPENDS ${SWIG_MODULE_example_REAL_NAME})
diff --git a/Tests/RunCMake/UseSWIG/MultipleModules.cmake b/Tests/RunCMake/UseSWIG/MultipleModules.cmake
deleted file mode 100644
index e3d579f..0000000
--- a/Tests/RunCMake/UseSWIG/MultipleModules.cmake
+++ /dev/null
@@ -1,30 +0,0 @@
-
-find_package(SWIG REQUIRED)
-include(${SWIG_USE_FILE})
-
-find_package(PythonLibs REQUIRED)
-find_package(PerlLibs REQUIRED)
-
-unset(CMAKE_SWIG_FLAGS)
-
-set (CMAKE_INCLUDE_CURRENT_DIR ON)
-
-set_property(SOURCE example.i PROPERTY CPLUSPLUS ON)
-set_property(SOURCE example.i PROPERTY COMPILE_OPTIONS -includeall)
-
-set_property(SOURCE example.i PROPERTY GENERATED_INCLUDE_DIRECTORIES ${PYTHON_INCLUDE_PATH})
-
-swig_add_library(example1
-                 LANGUAGE python
-                 SOURCES example.i example.cxx)
-target_link_libraries(example1 PRIVATE ${PYTHON_LIBRARIES})
-
-# re-use sample interface file for another plugin
-set_property(SOURCE example.i PROPERTY GENERATED_INCLUDE_DIRECTORIES ${PERL_INCLUDE_PATH})
-separate_arguments(c_flags UNIX_COMMAND "${PERL_EXTRA_C_FLAGS}")
-set_property(SOURCE example.i PROPERTY GENERATED_COMPILE_OPTIONS ${c_flags})
-
-swig_add_library(example2
-                 LANGUAGE perl
-                 SOURCES example.i example.cxx)
-target_link_libraries(example2 PRIVATE ${PERL_LIBRARY})
diff --git a/Tests/RunCMake/UseSWIG/MultiplePython.cmake b/Tests/RunCMake/UseSWIG/MultiplePython.cmake
deleted file mode 100644
index 3804bdd..0000000
--- a/Tests/RunCMake/UseSWIG/MultiplePython.cmake
+++ /dev/null
@@ -1,26 +0,0 @@
-
-find_package(SWIG REQUIRED)
-include(${SWIG_USE_FILE})
-
-find_package(Python2 REQUIRED COMPONENTS Development)
-find_package(Python3 REQUIRED COMPONENTS Development)
-
-unset(CMAKE_SWIG_FLAGS)
-
-set (CMAKE_INCLUDE_CURRENT_DIR ON)
-
-set_property(SOURCE example.i PROPERTY CPLUSPLUS ON)
-set_property(SOURCE example.i PROPERTY COMPILE_OPTIONS -includeall)
-
-swig_add_library(example1
-                 LANGUAGE python
-                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Python2"
-                 SOURCES example.i example.cxx)
-target_link_libraries(example1 PRIVATE Python2::Python)
-
-# re-use sample interface file for another plugin
-swig_add_library(example2
-                 LANGUAGE python
-                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Python3"
-                 SOURCES example.i example.cxx)
-target_link_libraries(example2 PRIVATE Python3::Python)
diff --git a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake b/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
deleted file mode 100644
index cded22f..0000000
--- a/Tests/RunCMake/UseSWIG/RunCMakeTest.cmake
+++ /dev/null
@@ -1,27 +0,0 @@
-include(RunCMake)
-
-function(run_SWIG test)
-  cmake_parse_arguments(_SWIG_TEST "" "TARGET" "" ${ARGN})
-  if (_SWIG_TEST_TARGET)
-    list (INSERT _SWIG_TEST_TARGET 0 --target)
-  endif()
-
-  set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${test}-build)
-  set(RunCMake_TEST_NO_CLEAN 1)
-  file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
-  file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
-  if (NOT RunCMake_GENERATOR_IS_MULTI_CONFIG)
-    set (RunCMake_TEST_OPTIONS -DCMAKE_BUILD_TYPE=Release)
-  endif()
-  run_cmake(${test})
-  run_cmake_command(${test}-test ${CMAKE_COMMAND} --build ${RunCMake_TEST_BINARY_DIR} --config Release ${_SWIG_TEST_TARGET})
-endfunction()
-
-run_SWIG(LegacyPython TARGET RunTest)
-run_SWIG(LegacyPerl TARGET RunTest)
-
-run_SWIG(BasicPython TARGET RunTest)
-run_SWIG(BasicPerl TARGET RunTest)
-
-run_SWIG(MultipleModules)
-run_SWIG(MultiplePython)
diff --git a/Tests/RunCMake/UseSWIG/BasicConfiguration.cmake b/Tests/UseSWIG/BasicConfiguration.cmake
index 2f46d63..73298567 100644
--- a/Tests/RunCMake/UseSWIG/BasicConfiguration.cmake
+++ b/Tests/UseSWIG/BasicConfiguration.cmake
@@ -52,16 +52,21 @@ unset(CMAKE_SWIG_FLAGS)
 
 set (CMAKE_INCLUDE_CURRENT_DIR ON)
 
-set_property(SOURCE example.i PROPERTY CPLUSPLUS ON)
-set_property(SOURCE example.i PROPERTY COMPILE_OPTIONS -includeall)
+set_property(SOURCE "${CMAKE_CURRENT_LIST_DIR}/example.i" PROPERTY CPLUSPLUS ON)
+set_property(SOURCE "${CMAKE_CURRENT_LIST_DIR}/example.i" PROPERTY COMPILE_OPTIONS -includeall)
 
-set_property(SOURCE example.i PROPERTY GENERATED_INCLUDE_DIRECTORIES ${SWIG_LANG_INCLUDE_DIRECTORIES})
-set_property(SOURCE example.i PROPERTY GENERATED_COMPILE_DEFINITIONS ${SWIG_LANG_DEFINITIONS})
-set_property(SOURCE example.i PROPERTY GENERATED_COMPILE_OPTIONS ${SWIG_LANG_OPTIONS})
+set_property(SOURCE "${CMAKE_CURRENT_LIST_DIR}/example.i"
+  PROPERTY GENERATED_INCLUDE_DIRECTORIES ${SWIG_LANG_INCLUDE_DIRECTORIES}
+                                         "${CMAKE_CURRENT_LIST_DIR}")
+set_property(SOURCE "${CMAKE_CURRENT_LIST_DIR}/example.i"
+  PROPERTY GENERATED_COMPILE_DEFINITIONS ${SWIG_LANG_DEFINITIONS})
+set_property(SOURCE "${CMAKE_CURRENT_LIST_DIR}/example.i"
+  PROPERTY GENERATED_COMPILE_OPTIONS ${SWIG_LANG_OPTIONS})
 
 
 SWIG_ADD_LIBRARY(example
                  LANGUAGE "${language}"
                  ${SWIG_LANG_TYPE}
-                 SOURCES example.i example.cxx)
+                 SOURCES "${CMAKE_CURRENT_LIST_DIR}/example.i"
+                         "${CMAKE_CURRENT_LIST_DIR}/example.cxx")
 TARGET_LINK_LIBRARIES(example PRIVATE ${SWIG_LANG_LIBRARIES})
diff --git a/Tests/RunCMake/UseSWIG/BasicPerl.cmake b/Tests/UseSWIG/BasicPerl/CMakeLists.txt
index 67ad6bc..10c1cd8 100644
--- a/Tests/RunCMake/UseSWIG/BasicPerl.cmake
+++ b/Tests/UseSWIG/BasicPerl/CMakeLists.txt
@@ -1,7 +1,12 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestBasicPerl CXX)
+
+include(CTest)
 
 set(language "perl")
 
-include (BasicConfiguration.cmake)
+include (../BasicConfiguration.cmake)
 
 if (WIN32)
   file (TO_CMAKE_PATH "$ENV{PATH}" perl_path)
@@ -11,8 +16,7 @@ else()
   set (perl_env "LD_LIBRARY_PATH=$<TARGET_FILE_DIR:example>")
 endif()
 
-add_custom_target (RunTest
+add_test (NAME BasicPerl
   COMMAND "${CMAKE_COMMAND}" -E env "${perl_env}"
   "${PERL_EXECUTABLE}" "-I$<TARGET_FILE_DIR:example>"
-  "${CMAKE_CURRENT_SOURCE_DIR}/runme.pl"
-  DEPENDS example)
+  "${CMAKE_CURRENT_SOURCE_DIR}/../runme.pl")
diff --git a/Tests/UseSWIG/BasicPython/CMakeLists.txt b/Tests/UseSWIG/BasicPython/CMakeLists.txt
new file mode 100644
index 0000000..1ca4e25
--- /dev/null
+++ b/Tests/UseSWIG/BasicPython/CMakeLists.txt
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestBasicPython CXX)
+
+include(CTest)
+
+set(language "python")
+
+include (../BasicConfiguration.cmake)
+
+add_test (NAME BasicPython
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:example>"
+  "${Python_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
diff --git a/Tests/UseSWIG/CMakeLists.txt b/Tests/UseSWIG/CMakeLists.txt
new file mode 100644
index 0000000..0c4ec8a
--- /dev/null
+++ b/Tests/UseSWIG/CMakeLists.txt
@@ -0,0 +1,76 @@
+add_test(NAME UseSWIG.LegacyPython COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/LegacyPython"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/LegacyPython"
+  ${build_generator_args}
+  --build-project TestLegacyPython
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME UseSWIG.LegacyPerl COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/LegacyPerl"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/LegacyPerl"
+  ${build_generator_args}
+  --build-project TestLegacyPerl
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+
+add_test(NAME UseSWIG.BasicPython COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/BasicPython"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/BasicPython"
+  ${build_generator_args}
+  --build-project TestBasicPython
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME UseSWIG.BasicPerl COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/BasicPerl"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/BasicPerl"
+  ${build_generator_args}
+  --build-project TestBasicPerl
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+
+add_test(NAME UseSWIG.MultipleModules COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/MultipleModules"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/MultipleModules"
+  ${build_generator_args}
+  --build-project TestMultipleModules
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+add_test(NAME UseSWIG.MultiplePython COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/MultiplePython"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/MultiplePython"
+  ${build_generator_args}
+  --build-project TestMultiplePython
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
+
+
+add_test(NAME UseSWIG.ModuleVersion2 COMMAND
+  ${CMAKE_CTEST_COMMAND} -C $<CONFIGURATION>
+  --build-and-test
+  "${CMake_SOURCE_DIR}/Tests/UseSWIG/ModuleVersion2"
+  "${CMake_BINARY_DIR}/Tests/UseSWIG/ModuleVersion2"
+  ${build_generator_args}
+  --build-project TestModuleVersion2
+  --build-options ${build_options}
+  --test-command ${CMAKE_CTEST_COMMAND} -V -C $<CONFIGURATION>
+  )
diff --git a/Tests/RunCMake/UseSWIG/LegacyConfiguration.cmake b/Tests/UseSWIG/LegacyConfiguration.cmake
index 3ce0790..640c713 100644
--- a/Tests/RunCMake/UseSWIG/LegacyConfiguration.cmake
+++ b/Tests/UseSWIG/LegacyConfiguration.cmake
@@ -51,10 +51,11 @@ unset(CMAKE_SWIG_FLAGS)
 
 include_directories(${CMAKE_CURRENT_LIST_DIR})
 
-set_source_files_properties(example.i PROPERTIES CPLUSPLUS ON)
-set_source_files_properties(example.i PROPERTIES SWIG_FLAGS "-includeall")
+set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/example.i" PROPERTIES CPLUSPLUS ON)
+set_source_files_properties("${CMAKE_CURRENT_LIST_DIR}/example.i" PROPERTIES SWIG_FLAGS "-includeall")
 SWIG_ADD_LIBRARY(example
                  LANGUAGE "${language}"
                  ${SWIG_LANG_TYPE}
-                 SOURCES example.i example.cxx)
+                 SOURCES "${CMAKE_CURRENT_LIST_DIR}/example.i"
+                         "${CMAKE_CURRENT_LIST_DIR}/example.cxx")
 SWIG_LINK_LIBRARIES(example ${SWIG_LANG_LIBRARIES})
diff --git a/Tests/RunCMake/UseSWIG/LegacyPerl.cmake b/Tests/UseSWIG/LegacyPerl/CMakeLists.txt
index 3428c46..0def5f5 100644
--- a/Tests/RunCMake/UseSWIG/LegacyPerl.cmake
+++ b/Tests/UseSWIG/LegacyPerl/CMakeLists.txt
@@ -1,7 +1,12 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestLegacyPerl CXX)
+
+include(CTest)
 
 set(language "perl")
 
-include (LegacyConfiguration.cmake)
+include (../LegacyConfiguration.cmake)
 
 if (WIN32)
   file (TO_CMAKE_PATH "$ENV{PATH}" perl_path)
@@ -11,8 +16,7 @@ else()
   set (perl_env "LD_LIBRARY_PATH=$<TARGET_FILE_DIR:${SWIG_MODULE_example_REAL_NAME}>")
 endif()
 
-add_custom_target (RunTest
+add_test (NAME LegacyPerl
   COMMAND "${CMAKE_COMMAND}" -E env "${perl_env}"
   "${PERL_EXECUTABLE}" "-I$<TARGET_FILE_DIR:${SWIG_MODULE_example_REAL_NAME}>"
-  "${CMAKE_CURRENT_SOURCE_DIR}/runme.pl"
-  DEPENDS ${SWIG_MODULE_example_REAL_NAME})
+  "${CMAKE_CURRENT_SOURCE_DIR}/../runme.pl")
diff --git a/Tests/UseSWIG/LegacyPython/CMakeLists.txt b/Tests/UseSWIG/LegacyPython/CMakeLists.txt
new file mode 100644
index 0000000..11a0d28
--- /dev/null
+++ b/Tests/UseSWIG/LegacyPython/CMakeLists.txt
@@ -0,0 +1,13 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestLegacyPython CXX)
+
+include(CTest)
+
+set(language "python")
+
+include (../LegacyConfiguration.cmake)
+
+add_test (NAME LegacyPython
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:${SWIG_MODULE_example_REAL_NAME}>"
+  "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
diff --git a/Tests/UseSWIG/ModuleVersion2/CMakeLists.txt b/Tests/UseSWIG/ModuleVersion2/CMakeLists.txt
new file mode 100644
index 0000000..92cbcd3
--- /dev/null
+++ b/Tests/UseSWIG/ModuleVersion2/CMakeLists.txt
@@ -0,0 +1,56 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestModuleVersion2 CXX)
+
+include(CTest)
+
+find_package(SWIG REQUIRED)
+include(${SWIG_USE_FILE})
+
+find_package(Python2 REQUIRED COMPONENTS Interpreter Development)
+find_package(Python3 REQUIRED COMPONENTS Interpreter Development)
+
+set (UseSWIG_MODULE_VERSION 2)
+unset(CMAKE_SWIG_FLAGS)
+
+set_property(SOURCE "../example.i" PROPERTY CPLUSPLUS ON)
+set_property(SOURCE "../example.i" PROPERTY COMPILE_OPTIONS -includeall)
+
+set_property(SOURCE "../example.i"
+  PROPERTY GENERATED_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/..")
+
+swig_add_library(example1
+                 LANGUAGE python
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example1 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2")
+target_link_libraries(example1 PRIVATE Python2::Python)
+
+# re-use sample interface file for another plugin
+swig_add_library(example2
+                 LANGUAGE python
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example2 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3")
+target_link_libraries(example2 PRIVATE Python3::Python)
+
+
+if (WIN32)
+  set (PS $<SEMICOLON>)
+else()
+  set (PS ":")
+endif()
+
+add_test (NAME ModuleVersion2.example1
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_PROPERTY:example1,SWIG_SUPPORT_FILES_DIRECTORY>${PS}$<TARGET_FILE_DIR:example1>"
+  "${Python2_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
+
+add_test (NAME ModuleVersion2.example2
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_PROPERTY:example2,SWIG_SUPPORT_FILES_DIRECTORY>${PS}$<TARGET_FILE_DIR:example2>"
+  "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
diff --git a/Tests/UseSWIG/MultipleModules/CMakeLists.txt b/Tests/UseSWIG/MultipleModules/CMakeLists.txt
new file mode 100644
index 0000000..d495007
--- /dev/null
+++ b/Tests/UseSWIG/MultipleModules/CMakeLists.txt
@@ -0,0 +1,69 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestMultipleModules CXX)
+
+include(CTest)
+
+find_package(SWIG REQUIRED)
+include(${SWIG_USE_FILE})
+
+find_package(Python REQUIRED COMPONENTS Interpreter Development)
+
+find_package(Perl REQUIRED)
+find_package(PerlLibs REQUIRED)
+
+unset(CMAKE_SWIG_FLAGS)
+
+set_property(SOURCE "../example.i" PROPERTY CPLUSPLUS ON)
+set_property(SOURCE "../example.i" PROPERTY COMPILE_OPTIONS -includeall)
+
+set_property(SOURCE "../example.i"
+  PROPERTY GENERATED_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/..")
+
+swig_add_library(example1
+                 LANGUAGE python
+                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Python"
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example1 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python")
+target_link_libraries(example1 PRIVATE Python::Python)
+
+# re-use sample interface file for another plugin
+set_property(SOURCE "../example.i" APPEND PROPERTY
+  GENERATED_INCLUDE_DIRECTORIES ${PERL_INCLUDE_PATH})
+separate_arguments(c_flags UNIX_COMMAND "${PERL_EXTRA_C_FLAGS}")
+set_property(SOURCE "../example.i" PROPERTY GENERATED_COMPILE_OPTIONS ${c_flags})
+
+swig_add_library(example2
+                 LANGUAGE perl
+                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Perl"
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example2 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Perl"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Perl"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Perl")
+target_link_libraries(example2 PRIVATE ${PERL_LIBRARY})
+
+
+
+add_test (NAME MultipleModules.Python
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:example1>"
+  "${Python_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
+
+
+if (WIN32)
+  file (TO_CMAKE_PATH "$ENV{PATH}" perl_path)
+  string (REPLACE ";" "$<SEMICOLON>" perl_path "${perl_path}")
+  set (perl_env "PATH=$<TARGET_FILE_DIR:example2>$<SEMICOLON>${perl_path}")
+else()
+  set (perl_env "LD_LIBRARY_PATH=$<TARGET_FILE_DIR:example2>")
+endif()
+
+add_test (NAME MultipleModules.Perl
+  COMMAND "${CMAKE_COMMAND}" -E env "${perl_env}"
+  "${PERL_EXECUTABLE}" "-I$<TARGET_FILE_DIR:example2>"
+  "${CMAKE_CURRENT_SOURCE_DIR}/../runme.pl")
diff --git a/Tests/UseSWIG/MultiplePython/CMakeLists.txt b/Tests/UseSWIG/MultiplePython/CMakeLists.txt
new file mode 100644
index 0000000..260a382
--- /dev/null
+++ b/Tests/UseSWIG/MultiplePython/CMakeLists.txt
@@ -0,0 +1,52 @@
+cmake_minimum_required(VERSION 3.1)
+
+project(TestMultiplePython CXX)
+
+include(CTest)
+
+find_package(SWIG REQUIRED)
+include(${SWIG_USE_FILE})
+
+find_package(Python2 REQUIRED COMPONENTS Interpreter Development)
+find_package(Python3 REQUIRED COMPONENTS Interpreter Development)
+
+unset(CMAKE_SWIG_FLAGS)
+
+set_property(SOURCE "../example.i" PROPERTY CPLUSPLUS ON)
+set_property(SOURCE "../example.i" PROPERTY COMPILE_OPTIONS -includeall)
+
+set_property(SOURCE "../example.i"
+  PROPERTY GENERATED_INCLUDE_DIRECTORIES "${CMAKE_CURRENT_SOURCE_DIR}/..")
+
+swig_add_library(example1
+                 LANGUAGE python
+                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Python2"
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example1 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python2")
+target_link_libraries(example1 PRIVATE Python2::Python)
+
+# re-use sample interface file for another plugin
+swig_add_library(example2
+                 LANGUAGE python
+                 OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/Python3"
+                 SOURCES ../example.i ../example.cxx)
+set_target_properties (example2 PROPERTIES
+  OUTPUT_NAME example
+  LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3"
+  ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3"
+  RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/Python3")
+target_link_libraries(example2 PRIVATE Python3::Python)
+
+
+
+add_test (NAME MultiplePython.example1
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:example1>"
+  "${Python2_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
+
+add_test (NAME MultiplePython.example2
+  COMMAND "${CMAKE_COMMAND}" -E env "PYTHONPATH=$<TARGET_FILE_DIR:example2>"
+  "${Python3_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/../runme.py")
diff --git a/Tests/RunCMake/UseSWIG/example.cxx b/Tests/UseSWIG/example.cxx
index 961d6dd..961d6dd 100644
--- a/Tests/RunCMake/UseSWIG/example.cxx
+++ b/Tests/UseSWIG/example.cxx
diff --git a/Tests/RunCMake/UseSWIG/example.h b/Tests/UseSWIG/example.h
index 366deb0..366deb0 100644
--- a/Tests/RunCMake/UseSWIG/example.h
+++ b/Tests/UseSWIG/example.h
diff --git a/Tests/RunCMake/UseSWIG/example.i b/Tests/UseSWIG/example.i
index fbdf724..fbdf724 100644
--- a/Tests/RunCMake/UseSWIG/example.i
+++ b/Tests/UseSWIG/example.i
diff --git a/Tests/RunCMake/UseSWIG/runme.php4 b/Tests/UseSWIG/runme.php4
index 653ced2..653ced2 100644
--- a/Tests/RunCMake/UseSWIG/runme.php4
+++ b/Tests/UseSWIG/runme.php4
diff --git a/Tests/RunCMake/UseSWIG/runme.pike b/Tests/UseSWIG/runme.pike
index ec28dd7..ec28dd7 100644
--- a/Tests/RunCMake/UseSWIG/runme.pike
+++ b/Tests/UseSWIG/runme.pike
diff --git a/Tests/RunCMake/UseSWIG/runme.pl b/Tests/UseSWIG/runme.pl
index 965e063..965e063 100644
--- a/Tests/RunCMake/UseSWIG/runme.pl
+++ b/Tests/UseSWIG/runme.pl
diff --git a/Tests/RunCMake/UseSWIG/runme.py b/Tests/UseSWIG/runme.py
index af5e07d..af5e07d 100644
--- a/Tests/RunCMake/UseSWIG/runme.py
+++ b/Tests/UseSWIG/runme.py
diff --git a/Tests/RunCMake/UseSWIG/runme.rb b/Tests/UseSWIG/runme.rb
index de73bcd..de73bcd 100644
--- a/Tests/RunCMake/UseSWIG/runme.rb
+++ b/Tests/UseSWIG/runme.rb
diff --git a/Tests/RunCMake/UseSWIG/runme.tcl b/Tests/UseSWIG/runme.tcl
index 6055cf6..6055cf6 100644
--- a/Tests/RunCMake/UseSWIG/runme.tcl
+++ b/Tests/UseSWIG/runme.tcl
diff --git a/Tests/RunCMake/UseSWIG/runme2.tcl b/Tests/UseSWIG/runme2.tcl
index d0b5c21..d0b5c21 100644
--- a/Tests/RunCMake/UseSWIG/runme2.tcl
+++ b/Tests/UseSWIG/runme2.tcl