Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1328 insertions, 0 deletions

diff --git a/cmake/modules/FindPython/Support.cmake b/cmake/modules/FindPython/Support.cmake
new file mode 100644
index 000000000..fb362bfe2
--- /dev/null
+++ b/cmake/modules/FindPython/Support.cmake
@@ -0,0 +1,1328 @@
+# Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#
+# This file is a "template" file used by various FindPython modules.
+#
+
+cmake_policy (VERSION 3.5)
+
+#
+# Initial configuration
+#
+if (NOT DEFINED _PYTHON_PREFIX)
+  message (FATAL_ERROR "FindPython: INTERNAL ERROR")
+endif()
+if (NOT DEFINED _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+  message (FATAL_ERROR "FindPython: INTERNAL ERROR")
+endif()
+if (_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR EQUAL 3)
+  set(_${_PYTHON_PREFIX}_VERSIONS 3.10 3.9 3.8 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0)
+elseif (_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR EQUAL 2)
+  set(_${_PYTHON_PREFIX}_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
+else()
+  message (FATAL_ERROR "FindPython: INTERNAL ERROR")
+endif()
+
+get_property(_${_PYTHON_PREFIX}_CMAKE_ROLE GLOBAL PROPERTY CMAKE_ROLE)
+if (NOT DEFINED _${_PYTHON_PREFIX}_CMAKE_ROLE)
+  # CMake 3.14 introduced CMAKE_ROLE
+  set(_${_PYTHON_PREFIX}_CMAKE_ROLE "PROJECT")
+endif()
+
+
+#
+# helper commands
+#
+macro (_PYTHON_DISPLAY_FAILURE _PYTHON_MSG)
+  if (${_PYTHON_PREFIX}_FIND_REQUIRED)
+    message (FATAL_ERROR "${_PYTHON_MSG}")
+  else()
+    if (NOT ${_PYTHON_PREFIX}_FIND_QUIETLY)
+      message(STATUS "${_PYTHON_MSG}")
+    endif ()
+  endif()
+
+  set (${_PYTHON_PREFIX}_FOUND FALSE)
+  string (TOUPPER "${_PYTHON_PREFIX}" _${_PYTHON_PREFIX}_UPPER_PREFIX)
+  set (${_PYTHON_UPPER_PREFIX}_FOUND FALSE)
+  return()
+endmacro()
+
+
+macro (_PYTHON_FIND_FRAMEWORKS)
+  set (${_PYTHON_PREFIX}_FRAMEWORKS)
+  if (APPLE)
+    set (_pff_frameworks ${CMAKE_FRAMEWORK_PATH}
+                    $ENV{CMAKE_FRAMEWORK_PATH}
+                    ~/Library/Frameworks
+                    /usr/local/Frameworks
+                    ${CMAKE_SYSTEM_FRAMEWORK_PATH})
+    list (REMOVE_DUPLICATES _pff_frameworks)
+    foreach (_pff_framework IN LISTS _pff_frameworks)
+      if (EXISTS ${_pff_framework}/Python.framework)
+        list (APPEND ${_PYTHON_PREFIX}_FRAMEWORKS ${_pff_framework}/Python.framework)
+      endif()
+    endforeach()
+    unset (_pff_frameworks)
+    unset (_pff_framework)
+  endif()
+endmacro()
+
+function (_PYTHON_GET_FRAMEWORKS _PYTHON_PGF_FRAMEWORK_PATHS _PYTHON_VERSION)
+  set (_PYTHON_FRAMEWORK_PATHS)
+  foreach (_PYTHON_FRAMEWORK IN LISTS ${_PYTHON_PREFIX}_FRAMEWORKS)
+    list (APPEND _PYTHON_FRAMEWORK_PATHS
+          "${_PYTHON_FRAMEWORK}/Versions/${_PYTHON_VERSION}")
+  endforeach()
+  set (${_PYTHON_PGF_FRAMEWORK_PATHS} ${_PYTHON_FRAMEWORK_PATHS} PARENT_SCOPE)
+endfunction()
+
+
+function (_PYTHON_VALIDATE_INTERPRETER)
+  if (NOT ${_PYTHON_PREFIX}_EXECUTABLE)
+    return()
+  endif()
+
+  if (ARGC EQUAL 1)
+    set (expected_version ${ARGV0})
+  else()
+    unset (expected_version)
+  endif()
+
+  get_filename_component (python_name "${${_PYTHON_PREFIX}_EXECUTABLE}" NAME)
+
+  if (expected_version AND NOT python_name STREQUAL "python${expected_version}${CMAKE_EXECUTABLE_SUFFIX}")
+    # executable found must have a specific version
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                             "import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:2]]))"
+                     RESULT_VARIABLE result
+                     OUTPUT_VARIABLE version
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (result OR NOT version EQUAL expected_version)
+      # interpreter not usable or has wrong major version
+      set (${_PYTHON_PREFIX}_EXECUTABLE ${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND CACHE INTERNAL "" FORCE)
+      return()
+    endif()
+  else()
+    if (NOT python_name STREQUAL "python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}${CMAKE_EXECUTABLE_SUFFIX}")
+      # executable found do not have version in name
+      # ensure major version is OK
+      execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                               "import sys; sys.stdout.write(str(sys.version_info[0]))"
+                       RESULT_VARIABLE result
+                       OUTPUT_VARIABLE version
+                       ERROR_QUIET
+                       OUTPUT_STRIP_TRAILING_WHITESPACE)
+      if (result OR NOT version EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+        # interpreter not usable or has wrong major version
+        set (${_PYTHON_PREFIX}_EXECUTABLE ${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND CACHE INTERNAL "" FORCE)
+        return()
+      endif()
+    endif()
+  endif()
+
+  if (CMAKE_SIZEOF_VOID_P AND "Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
+      AND NOT CMAKE_CROSSCOMPILING)
+    # In this case, interpreter must have same architecture as environment
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                             "import sys, struct; sys.stdout.write(str(struct.calcsize(\"P\")))"
+                     RESULT_VARIABLE result
+                     OUTPUT_VARIABLE size
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (result OR NOT size EQUAL CMAKE_SIZEOF_VOID_P)
+      # interpreter not usable or has wrong architecture
+      set (${_PYTHON_PREFIX}_EXECUTABLE ${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND CACHE INTERNAL "" FORCE)
+      return()
+    endif()
+  endif()
+endfunction()
+
+
+function (_PYTHON_VALIDATE_COMPILER expected_version)
+  if (NOT ${_PYTHON_PREFIX}_COMPILER)
+    return()
+  endif()
+
+  # retrieve python environment version from compiler
+  set (working_dir "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/PythonCompilerVersion.dir")
+  file (WRITE "${working_dir}/version.py" "import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:2]]))\n")
+  execute_process (COMMAND "${${_PYTHON_PREFIX}_COMPILER}" /target:exe /embed "${working_dir}/version.py"
+                   WORKING_DIRECTORY "${working_dir}"
+                   OUTPUT_QUIET
+                   ERROR_QUIET
+                   OUTPUT_STRIP_TRAILING_WHITESPACE)
+  execute_process (COMMAND "${working_dir}/version"
+                   WORKING_DIRECTORY "${working_dir}"
+                   RESULT_VARIABLE result
+                   OUTPUT_VARIABLE version
+                   ERROR_QUIET)
+  file (REMOVE_RECURSE "${_${_PYTHON_PREFIX}_VERSION_DIR}")
+
+  if (result OR NOT version EQUAL expected_version)
+    # Compiler not usable or has wrong major version
+    set (${_PYTHON_PREFIX}_COMPILER ${_PYTHON_PREFIX}_COMPILER-NOTFOUND CACHE INTERNAL "" FORCE)
+  endif()
+endfunction()
+
+
+function (_PYTHON_FIND_RUNTIME_LIBRARY _PYTHON_LIB)
+  string (REPLACE "_RUNTIME" "" _PYTHON_LIB "${_PYTHON_LIB}")
+  # look at runtime part on systems supporting it
+  if (CMAKE_SYSTEM_NAME STREQUAL "Windows" OR
+      (CMAKE_SYSTEM_NAME MATCHES "MSYS|CYGWIN"
+        AND ${_PYTHON_LIB} MATCHES "${CMAKE_IMPORT_LIBRARY_SUFFIX}$"))
+    set (CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_SHARED_LIBRARY_SUFFIX})
+    # MSYS has a special syntax for runtime libraries
+    if (CMAKE_SYSTEM_NAME MATCHES "MSYS")
+      list (APPEND CMAKE_FIND_LIBRARY_PREFIXES "msys-")
+    endif()
+    find_library (${ARGV})
+  endif()
+endfunction()
+
+
+function (_PYTHON_SET_LIBRARY_DIRS _PYTHON_SLD_RESULT)
+  unset (_PYTHON_DIRS)
+  set (_PYTHON_LIBS ${ARGV})
+  list (REMOVE_AT _PYTHON_LIBS 0)
+  foreach (_PYTHON_LIB IN LISTS _PYTHON_LIBS)
+    if (${_PYTHON_LIB})
+      get_filename_component (_PYTHON_DIR "${${_PYTHON_LIB}}" DIRECTORY)
+      list (APPEND _PYTHON_DIRS "${_PYTHON_DIR}")
+    endif()
+  endforeach()
+  if (_PYTHON_DIRS)
+    list (REMOVE_DUPLICATES _PYTHON_DIRS)
+  endif()
+  set (${_PYTHON_SLD_RESULT} ${_PYTHON_DIRS} PARENT_SCOPE)
+endfunction()
+
+
+# If major version is specified, it must be the same as internal major version
+if (DEFINED ${_PYTHON_PREFIX}_FIND_VERSION_MAJOR
+    AND NOT ${_PYTHON_PREFIX}_FIND_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+  _python_display_failure ("Could NOT find ${_PYTHON_PREFIX}: Wrong major version specified is \"${${_PYTHON_PREFIX}_FIND_VERSION_MAJOR}\", but expected major version is \"${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}\"")
+endif()
+
+
+# handle components
+if (NOT ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+  set (${_PYTHON_PREFIX}_FIND_COMPONENTS Interpreter)
+  set (${_PYTHON_PREFIX}_FIND_REQUIRED_Interpreter TRUE)
+endif()
+if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+  list (APPEND ${_PYTHON_PREFIX}_FIND_COMPONENTS "Interpreter" "Development")
+  list (REMOVE_DUPLICATES ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+endif()
+foreach (_${_PYTHON_PREFIX}_COMPONENT IN LISTS ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+  set (${_PYTHON_PREFIX}_${_${_PYTHON_PREFIX}_COMPONENT}_FOUND FALSE)
+endforeach()
+unset (_${_PYTHON_PREFIX}_FIND_VERSIONS)
+
+# Set versions to search
+## default: search any version
+set (_${_PYTHON_PREFIX}_FIND_VERSIONS ${_${_PYTHON_PREFIX}_VERSIONS})
+
+if (${_PYTHON_PREFIX}_FIND_VERSION_COUNT GREATER 1)
+  if (${_PYTHON_PREFIX}_FIND_VERSION_EXACT)
+    set (_${_PYTHON_PREFIX}_FIND_VERSIONS ${${_PYTHON_PREFIX}_FIND_VERSION_MAJOR}.${${_PYTHON_PREFIX}_FIND_VERSION_MINOR})
+  else()
+    unset (_${_PYTHON_PREFIX}_FIND_VERSIONS)
+    # add all compatible versions
+    foreach (_${_PYTHON_PREFIX}_VERSION IN LISTS _${_PYTHON_PREFIX}_VERSIONS)
+      if (NOT _${_PYTHON_PREFIX}_VERSION VERSION_LESS ${_PYTHON_PREFIX}_FIND_VERSION)
+        list (APPEND _${_PYTHON_PREFIX}_FIND_VERSIONS ${_${_PYTHON_PREFIX}_VERSION})
+      endif()
+    endforeach()
+  endif()
+endif()
+
+# Python and Anaconda distributions: define which architectures can be used
+if (CMAKE_SIZEOF_VOID_P)
+  # In this case, search only for 64bit or 32bit
+  math (EXPR _${_PYTHON_PREFIX}_ARCH "${CMAKE_SIZEOF_VOID_P} * 8")
+  set (_${_PYTHON_PREFIX}_ARCH2 ${_${_PYTHON_PREFIX}_ARCH})
+else()
+  # architecture unknown, search for both 64bit and 32bit
+  set (_${_PYTHON_PREFIX}_ARCH 64)
+  set (_${_PYTHON_PREFIX}_ARCH2 32)
+endif()
+
+# IronPython support
+if (CMAKE_SIZEOF_VOID_P)
+  # In this case, search only for 64bit or 32bit
+  math (EXPR _${_PYTHON_PREFIX}_ARCH "${CMAKE_SIZEOF_VOID_P} * 8")
+  set (_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES ipy${_${_PYTHON_PREFIX}_ARCH} ipy)
+else()
+  # architecture unknown, search for natural interpreter
+  set (_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES ipy)
+endif()
+set (_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES net45 net40)
+
+# Apple frameworks handling
+_python_find_frameworks ()
+
+# Save CMAKE_FIND_APPBUNDLE
+if (DEFINED CMAKE_FIND_APPBUNDLE)
+  set (_${_PYTHON_PREFIX}_CMAKE_FIND_APPBUNDLE ${CMAKE_FIND_APPBUNDLE})
+else()
+  unset (_${_PYTHON_PREFIX}_CMAKE_FIND_APPBUNDLE)
+endif()
+# To avoid app bundle lookup
+set (CMAKE_FIND_APPBUNDLE "NEVER")
+
+# Save CMAKE_FIND_FRAMEWORK
+if (DEFINED CMAKE_FIND_FRAMEWORK)
+  set (_${_PYTHON_PREFIX}_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
+  if (CMAKE_FIND_FRAMEWORK STREQUAL "ONLY")
+    message (AUTHOR_WARNING "Find${_PYTHON_PREFIX}: CMAKE_FIND_FRAMEWORK: 'ONLY' value is not supported. 'FIRST' will be used instead.")
+    set (_${_PYTHON_PREFIX}_FIND_FRAMEWORK "FIRST")
+  else()
+    set (_${_PYTHON_PREFIX}_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK})
+  endif()
+else()
+  unset (_${_PYTHON_PREFIX}_CMAKE_FIND_FRAMEWORK)
+  set (_${_PYTHON_PREFIX}_FIND_FRAMEWORK "FIRST")
+endif()
+# To avoid framework lookup
+set (CMAKE_FIND_FRAMEWORK "NEVER")
+
+# Windows Registry handling
+if (DEFINED ${_PYTHON_PREFIX}_FIND_REGISTRY)
+  if (NOT ${_PYTHON_PREFIX}_FIND_REGISTRY MATCHES "^(FIRST|LAST|NEVER)$")
+    message (AUTHOR_WARNING "Find${_PYTHON_PREFIX}: ${${_PYTHON_PREFIX}_FIND_REGISTRY}: invalid value for '${_PYTHON_PREFIX}_FIND_REGISTRY'. 'FIRST', 'LAST' or 'NEVER' expected.")
+    set (_${_PYTHON_PREFIX}_FIND_REGISTRY "FIRST")
+  else()
+    set (_${_PYTHON_PREFIX}_FIND_REGISTRY ${${_PYTHON_PREFIX}_FIND_REGISTRY})
+  endif()
+else()
+  set (_${_PYTHON_PREFIX}_FIND_REGISTRY "FIRST")
+endif()
+
+
+unset (_${_PYTHON_PREFIX}_REQUIRED_VARS)
+unset (_${_PYTHON_PREFIX}_CACHED_VARS)
+
+
+# first step, search for the interpreter
+if ("Interpreter" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+  list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_EXECUTABLE)
+  if (${_PYTHON_PREFIX}_FIND_REQUIRED_Interpreter)
+    list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_EXECUTABLE)
+  endif()
+
+  set (_${_PYTHON_PREFIX}_HINTS "${${_PYTHON_PREFIX}_ROOT_DIR}" ENV ${_PYTHON_PREFIX}_ROOT_DIR)
+
+  # look-up for various versions and locations
+  foreach (_${_PYTHON_PREFIX}_VERSION IN LISTS _${_PYTHON_PREFIX}_FIND_VERSIONS)
+    string (REPLACE "." "" _${_PYTHON_PREFIX}_VERSION_NO_DOTS ${_${_PYTHON_PREFIX}_VERSION})
+
+    _python_get_frameworks (_${_PYTHON_PREFIX}_FRAMEWORK_PATHS ${_${_PYTHON_PREFIX}_VERSION})
+
+    # Apple frameworks handling
+    if (APPLE AND _${_PYTHON_PREFIX}_FIND_FRAMEWORK STREQUAL "FIRST")
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                    NAMES_PER_DIR
+                    PATHS ${_${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                    PATH_SUFFIXES bin
+                    NO_CMAKE_PATH
+                    NO_CMAKE_ENVIRONMENT_PATH
+                    NO_SYSTEM_ENVIRONMENT_PATH
+                    NO_CMAKE_SYSTEM_PATH)
+    endif()
+
+    # Windows registry
+    if (WIN32 AND _${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "FIRST")
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                          python
+                          ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES}
+                    NAMES_PER_DIR
+                    HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                    PATHS [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\IronPython\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                    PATH_SUFFIXES bin ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                    NO_SYSTEM_ENVIRONMENT_PATH
+                    NO_CMAKE_SYSTEM_PATH)
+    endif()
+
+    # try using HINTS
+    find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                  NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                        python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                        python
+                        ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES}
+                  NAMES_PER_DIR
+                  HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                  PATH_SUFFIXES bin ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                  NO_SYSTEM_ENVIRONMENT_PATH
+                  NO_CMAKE_SYSTEM_PATH)
+    # try using standard paths.
+    if (WIN32)
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                          python
+                          ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES}
+                    NAMES_PER_DIR)
+    else()
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                    NAMES_PER_DIR)
+    endif()
+
+    # Apple frameworks handling
+    if (APPLE AND _${_PYTHON_PREFIX}_FIND_FRAMEWORK STREQUAL "LAST")
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                    NAMES_PER_DIR
+                    PATHS ${_${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                    PATH_SUFFIXES bin
+                    NO_DEFAULT_PATH)
+    endif()
+
+    # Windows registry
+    if (WIN32 AND _${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "LAST")
+      find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION}
+                          python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                          python
+                          ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES}
+                    NAMES_PER_DIR
+                    PATHS [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+                          [HKEY_LOCAL_MACHINE\\SOFTWARE\\IronPython\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                    PATH_SUFFIXES bin ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                    NO_DEFAULT_PATH)
+    endif()
+
+    _python_validate_interpreter (${_${_PYTHON_PREFIX}_VERSION})
+    if (${_PYTHON_PREFIX}_EXECUTABLE)
+      break()
+    endif()
+  endforeach()
+
+  if (NOT ${_PYTHON_PREFIX}_EXECUTABLE)
+    # No specific version found. Retry with generic names
+    # try using HINTS
+    find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                  NAMES python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                        python
+                        ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES}
+                  NAMES_PER_DIR
+                  HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                  PATH_SUFFIXES bin ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                  NO_SYSTEM_ENVIRONMENT_PATH
+                  NO_CMAKE_SYSTEM_PATH)
+    # try using standard paths.
+    # NAMES_PER_DIR is not defined on purpose to have a chance to find
+    # expected version.
+    # For example, typical systems have 'python' for version 2.* and 'python3'
+    # for version 3.*. So looking for names per dir will find, potentially,
+    # systematically 'python' (i.e. version 2) even if version 3 is searched.
+    find_program (${_PYTHON_PREFIX}_EXECUTABLE
+                  NAMES python${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}
+                        python
+                        ${_${_PYTHON_PREFIX}_IRON_PYTHON_NAMES})
+
+    _python_validate_interpreter ()
+  endif()
+
+  # retrieve exact version of executable found
+  if (${_PYTHON_PREFIX}_EXECUTABLE)
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                             "import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:3]]))"
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE ${_PYTHON_PREFIX}_VERSION
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+      string (REGEX MATCHALL "[0-9]+" _${_PYTHON_PREFIX}_VERSIONS "${${_PYTHON_PREFIX}_VERSION}")
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 0 ${_PYTHON_PREFIX}_VERSION_MAJOR)
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 1 ${_PYTHON_PREFIX}_VERSION_MINOR)
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 2 ${_PYTHON_PREFIX}_VERSION_PATCH)
+    else()
+      # Interpreter is not usable
+      set (${_PYTHON_PREFIX}_EXECUTABLE ${_PYTHON_PREFIX}_EXECUTABLE-NOTFOUND CACHE INTERNAL "" FORCE)
+      unset (${_PYTHON_PREFIX}_VERSION)
+    endif()
+  endif()
+
+  if (${_PYTHON_PREFIX}_EXECUTABLE
+      AND ${_PYTHON_PREFIX}_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+    set (${_PYTHON_PREFIX}_Interpreter_FOUND TRUE)
+    # Use interpreter version for future searches to ensure consistency
+    set (_${_PYTHON_PREFIX}_FIND_VERSIONS ${${_PYTHON_PREFIX}_VERSION_MAJOR}.${${_PYTHON_PREFIX}_VERSION_MINOR})
+  endif()
+
+  if (${_PYTHON_PREFIX}_Interpreter_FOUND)
+    if (NOT CMAKE_SIZEOF_VOID_P)
+      # determine interpreter architecture
+      execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c "import sys; print(sys.maxsize > 2**32)"
+                       RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                       OUTPUT_VARIABLE ${_PYTHON_PREFIX}_IS64BIT
+                       ERROR_VARIABLE ${_PYTHON_PREFIX}_IS64BIT)
+      if (NOT _${_PYTHON_PREFIX}_RESULT)
+        if (${_PYTHON_PREFIX}_IS64BIT)
+          set (_${_PYTHON_PREFIX}_ARCH 64)
+          set (_${_PYTHON_PREFIX}_ARCH2 64)
+        else()
+          set (_${_PYTHON_PREFIX}_ARCH 32)
+          set (_${_PYTHON_PREFIX}_ARCH2 32)
+        endif()
+      endif()
+    endif()
+
+    # retrieve interpreter identity
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -V
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE ${_PYTHON_PREFIX}_INTERPRETER_ID
+                     ERROR_VARIABLE ${_PYTHON_PREFIX}_INTERPRETER_ID)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+      if (${_PYTHON_PREFIX}_INTERPRETER_ID MATCHES "Anaconda")
+        set (${_PYTHON_PREFIX}_INTERPRETER_ID "Anaconda")
+      elseif (${_PYTHON_PREFIX}_INTERPRETER_ID MATCHES "Enthought")
+        set (${_PYTHON_PREFIX}_INTERPRETER_ID "Canopy")
+      else()
+        string (REGEX REPLACE "^([^ ]+).*" "\\1" ${_PYTHON_PREFIX}_INTERPRETER_ID "${${_PYTHON_PREFIX}_INTERPRETER_ID}")
+        if (${_PYTHON_PREFIX}_INTERPRETER_ID STREQUAL "Python")
+          # try to get a more precise ID
+          execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c "import sys; print(sys.copyright)"
+                           RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                           OUTPUT_VARIABLE ${_PYTHON_PREFIX}_COPYRIGHT
+                           ERROR_QUIET)
+          if (${_PYTHON_PREFIX}_COPYRIGHT MATCHES "ActiveState")
+            set (${_PYTHON_PREFIX}_INTERPRETER_ID "ActivePython")
+          endif()
+        endif()
+      endif()
+    else()
+      set (${_PYTHON_PREFIX}_INTERPRETER_ID Python)
+    endif()
+  else()
+    unset (${_PYTHON_PREFIX}_INTERPRETER_ID)
+  endif()
+
+  # retrieve various package installation directories
+  execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c "import sys; from distutils import sysconfig;sys.stdout.write(';'.join([sysconfig.get_python_lib(plat_specific=False,standard_lib=True),sysconfig.get_python_lib(plat_specific=True,standard_lib=True),sysconfig.get_python_lib(plat_specific=False,standard_lib=False),sysconfig.get_python_lib(plat_specific=True,standard_lib=False)]))"
+
+                   RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                   OUTPUT_VARIABLE _${_PYTHON_PREFIX}_LIBPATHS
+                   ERROR_QUIET)
+  if (NOT _${_PYTHON_PREFIX}_RESULT)
+    list (GET _${_PYTHON_PREFIX}_LIBPATHS 0 ${_PYTHON_PREFIX}_STDLIB)
+    list (GET _${_PYTHON_PREFIX}_LIBPATHS 1 ${_PYTHON_PREFIX}_STDARCH)
+    list (GET _${_PYTHON_PREFIX}_LIBPATHS 2 ${_PYTHON_PREFIX}_SITELIB)
+    list (GET _${_PYTHON_PREFIX}_LIBPATHS 3 ${_PYTHON_PREFIX}_SITEARCH)
+  else()
+    unset (${_PYTHON_PREFIX}_STDLIB)
+    unset (${_PYTHON_PREFIX}_STDARCH)
+    unset (${_PYTHON_PREFIX}_SITELIB)
+    unset (${_PYTHON_PREFIX}_SITEARCH)
+  endif()
+
+  mark_as_advanced (${_PYTHON_PREFIX}_EXECUTABLE)
+endif()
+
+
+# second step, search for compiler (IronPython)
+if ("Compiler" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
+  list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_COMPILER)
+  if (${_PYTHON_PREFIX}_FIND_REQUIRED_Compiler)
+    list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_COMPILER)
+  endif()
+
+  # IronPython specific artifacts
+  # If IronPython interpreter is found, use its path
+  unset (_${_PYTHON_PREFIX}_IRON_ROOT)
+  if (${_PYTHON_PREFIX}_Interpreter_FOUND AND ${_PYTHON_PREFIX}_INTERPRETER_ID STREQUAL "IronPython")
+    get_filename_component (_${_PYTHON_PREFIX}_IRON_ROOT "${${_PYTHON_PREFIX}_EXECUTABLE}" DIRECTORY)
+  endif()
+
+  # try using root dir and registry
+  foreach (_${_PYTHON_PREFIX}_VERSION IN LISTS _${_PYTHON_PREFIX}_FIND_VERSIONS)
+    if (_${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "FIRST")
+      find_program (${_PYTHON_PREFIX}_COMPILER
+                    NAMES ipyc
+                    HINTS ${_${_PYTHON_PREFIX}_IRON_ROOT} ${_${_PYTHON_PREFIX}_HINTS}
+                    PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\IronPython\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                    PATH_SUFFIXES ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                    NO_SYSTEM_ENVIRONMENT_PATH
+                    NO_CMAKE_SYSTEM_PATH)
+    endif()
+
+    find_program (${_PYTHON_PREFIX}_COMPILER
+                  NAMES ipyc
+                  HINTS ${_${_PYTHON_PREFIX}_IRON_ROOT} ${_${_PYTHON_PREFIX}_HINTS}
+                  PATH_SUFFIXES ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                  NO_SYSTEM_ENVIRONMENT_PATH
+                  NO_CMAKE_SYSTEM_PATH)
+
+    if (_${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "LAST")
+      find_program (${_PYTHON_PREFIX}_COMPILER
+                    NAMES ipyc
+                    PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\IronPython\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+                    PATH_SUFFIXES ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES}
+                    NO_DEFAULT_PATH)
+    endif()
+
+    _python_validate_compiler (${_${_PYTHON_PREFIX}_VERSION})
+    if (${_PYTHON_PREFIX}_COMPILER)
+      break()
+    endif()
+  endforeach()
+
+  # no specific version found, re-try in standard paths
+  find_program (${_PYTHON_PREFIX}_COMPILER
+                NAMES ipyc
+                HINTS ${_${_PYTHON_PREFIX}_IRON_ROOT} ${_${_PYTHON_PREFIX}_HINTS}
+                PATH_SUFFIXES ${_${_PYTHON_PREFIX}_IRON_PYTHON_PATH_SUFFIXES})
+
+  if (${_PYTHON_PREFIX}_COMPILER)
+    # retrieve python environment version from compiler
+    set (_${_PYTHON_PREFIX}_VERSION_DIR "${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/PythonCompilerVersion.dir")
+    file (WRITE "${_${_PYTHON_PREFIX}_VERSION_DIR}/version.py" "import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:3]]))\n")
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_COMPILER}" /target:exe /embed "${_${_PYTHON_PREFIX}_VERSION_DIR}/version.py"
+                     WORKING_DIRECTORY "${_${_PYTHON_PREFIX}_VERSION_DIR}"
+                     OUTPUT_QUIET
+                     ERROR_QUIET)
+    execute_process (COMMAND "${_${_PYTHON_PREFIX}_VERSION_DIR}/version"
+                     WORKING_DIRECTORY "${_${_PYTHON_PREFIX}_VERSION_DIR}"
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE _${_PYTHON_PREFIX}_VERSION
+                     ERROR_QUIET)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+      string (REGEX MATCHALL "[0-9]+" _${_PYTHON_PREFIX}_VERSIONS "${_${_PYTHON_PREFIX}_VERSION}")
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 0 _${_PYTHON_PREFIX}_VERSION_MAJOR)
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 1 _${_PYTHON_PREFIX}_VERSION_MINOR)
+      list (GET _${_PYTHON_PREFIX}_VERSIONS 2 _${_PYTHON_PREFIX}_VERSION_PATCH)
+
+      if (NOT ${_PYTHON_PREFIX}_Interpreter_FOUND)
+        # set public version information
+        set (${_PYTHON_PREFIX}_VERSION ${_${_PYTHON_PREFIX}_VERSION})
+        set (${_PYTHON_PREFIX}_VERSION_MAJOR ${_${_PYTHON_PREFIX}_VERSION_MAJOR})
+        set (${_PYTHON_PREFIX}_VERSION_MINOR ${_${_PYTHON_PREFIX}_VERSION_MINOR})
+        set (${_PYTHON_PREFIX}_VERSION_PATCH ${_${_PYTHON_PREFIX}_VERSION_PATCH})
+      endif()
+    else()
+      # compiler not usable
+      set (${_PYTHON_PREFIX}_COMPILER ${_PYTHON_PREFIX}_COMPILER-NOTFOUND CACHE INTERNAL "" FORCE)
+    endif()
+    file (REMOVE_RECURSE "${_${_PYTHON_PREFIX}_VERSION_DIR}")
+  endif()
+
+  if (${_PYTHON_PREFIX}_COMPILER)
+    if (${_PYTHON_PREFIX}_Interpreter_FOUND)
+      # Compiler must be compatible with interpreter
+      if (${_${_PYTHON_PREFIX}_VERSION_MAJOR}.${_${_PYTHON_PREFIX}_VERSION_MINOR} VERSION_EQUAL ${${_PYTHON_PREFIX}_VERSION_MAJOR}.${${_PYTHON_PREFIX}_VERSION_MINOR})
+        set (${_PYTHON_PREFIX}_Compiler_FOUND TRUE)
+      endif()
+    elseif (${_PYTHON_PREFIX}_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+      set (${_PYTHON_PREFIX}_Compiler_FOUND TRUE)
+    # Use compiler version for future searches to ensure consistency
+    set (_${_PYTHON_PREFIX}_FIND_VERSIONS ${${_PYTHON_PREFIX}_VERSION_MAJOR}.${${_PYTHON_PREFIX}_VERSION_MINOR})
+    endif()
+  endif()
+
+  if (${_PYTHON_PREFIX}_Compiler_FOUND)
+    set (${_PYTHON_PREFIX}_COMPILER_ID IronPython)
+  else()
+    unset (${_PYTHON_PREFIX}_COMPILER_ID)
+  endif()
+
+  mark_as_advanced (${_PYTHON_PREFIX}_COMPILER)
+endif()
+
+
+# third step, search for the development artifacts
+## Development environment is not compatible with IronPython interpreter
+if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
+    AND NOT ${_PYTHON_PREFIX}_INTERPRETER_ID STREQUAL "IronPython")
+  list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_LIBRARY
+                                              ${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                                              ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
+                                              ${_PYTHON_PREFIX}_LIBRARY_DEBUG
+                                              ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG
+                                              ${_PYTHON_PREFIX}_INCLUDE_DIR)
+  if (${_PYTHON_PREFIX}_FIND_REQUIRED_Development)
+    list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_LIBRARY
+                                                  ${_PYTHON_PREFIX}_INCLUDE_DIR)
+  endif()
+
+  # Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES
+  unset (_${_PYTHON_PREFIX}_CMAKE_FIND_LIBRARY_SUFFIXES)
+  if (DEFINED ${_PYTHON_PREFIX}_USE_STATIC_LIBS AND NOT WIN32)
+    set(_${_PYTHON_PREFIX}_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
+    if(${_PYTHON_PREFIX}_USE_STATIC_LIBS)
+      set (CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX})
+    else()
+      list (REMOVE_ITEM CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_STATIC_LIBRARY_SUFFIX})
+    endif()
+  else()
+  endif()
+
+  # if python interpreter is found, use its location and version to ensure consistency
+  # between interpreter and development environment
+  unset (_${_PYTHON_PREFIX}_PREFIX)
+  if (${_PYTHON_PREFIX}_Interpreter_FOUND)
+    execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                             "import sys; from distutils import sysconfig; sys.stdout.write(sysconfig.PREFIX)"
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE _${_PYTHON_PREFIX}_PREFIX
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (_${_PYTHON_PREFIX}_RESULT)
+      unset (_${_PYTHON_PREFIX}_PREFIX)
+    endif()
+  endif()
+  set (_${_PYTHON_PREFIX}_HINTS "${_${_PYTHON_PREFIX}_PREFIX}" "${${_PYTHON_PREFIX}_ROOT_DIR}" ENV ${_PYTHON_PREFIX}_ROOT_DIR)
+
+  foreach (_${_PYTHON_PREFIX}_VERSION IN LISTS _${_PYTHON_PREFIX}_FIND_VERSIONS)
+    string (REPLACE "." "" _${_PYTHON_PREFIX}_VERSION_NO_DOTS ${_${_PYTHON_PREFIX}_VERSION})
+
+    # try to use pythonX.Y-config tool
+    set (_${_PYTHON_PREFIX}_CONFIG_NAMES)
+    if (DEFINED CMAKE_LIBRARY_ARCHITECTURE)
+      set (_${_PYTHON_PREFIX}_CONFIG_NAMES "${CMAKE_LIBRARY_ARCHITECTURE}-python${_${_PYTHON_PREFIX}_VERSION}-config")
+    endif()
+    list (APPEND _${_PYTHON_PREFIX}_CONFIG_NAMES "python${_${_PYTHON_PREFIX}_VERSION}-config")
+    find_program (_${_PYTHON_PREFIX}_CONFIG
+                  NAMES ${_${_PYTHON_PREFIX}_CONFIG_NAMES}
+                  NAMES_PER_DIR
+                  HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                  PATH_SUFFIXES bin)
+    unset (_${_PYTHON_PREFIX}_CONFIG_NAMES)
+
+    if (NOT _${_PYTHON_PREFIX}_CONFIG)
+      continue()
+    endif()
+    if (DEFINED CMAKE_LIBRARY_ARCHITECTURE)
+      # check that config tool match library architecture
+      execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --configdir
+                       RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                       OUTPUT_VARIABLE _${_PYTHON_PREFIX}_CONFIGDIR
+                       ERROR_QUIET
+                       OUTPUT_STRIP_TRAILING_WHITESPACE)
+      if (_${_PYTHON_PREFIX}_RESULT)
+        unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
+        continue()
+      endif()
+      string(FIND "${_${_PYTHON_PREFIX}_CONFIGDIR}" "${CMAKE_LIBRARY_ARCHITECTURE}" _${_PYTHON_PREFIX}_RESULT)
+      if (_${_PYTHON_PREFIX}_RESULT EQUAL -1)
+        unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
+        continue()
+      endif()
+    endif()
+
+    # retrieve root install directory
+    execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --prefix
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE _${_PYTHON_PREFIX}_PREFIX
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (_${_PYTHON_PREFIX}_RESULT)
+      # python-config is not usable
+      unset (_${_PYTHON_PREFIX}_CONFIG CACHE)
+      continue()
+    endif()
+    set (_${_PYTHON_PREFIX}_HINTS "${_${_PYTHON_PREFIX}_PREFIX}" "${${_PYTHON_PREFIX}_ROOT_DIR}" ENV ${_PYTHON_PREFIX}_ROOT_DIR)
+
+    # retrieve library
+    execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --ldflags
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE _${_PYTHON_PREFIX}_FLAGS
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+      # retrieve library directory
+      string (REGEX MATCHALL "-L[^ ]+" _${_PYTHON_PREFIX}_LIB_DIRS "${_${_PYTHON_PREFIX}_FLAGS}")
+      string (REPLACE "-L" "" _${_PYTHON_PREFIX}_LIB_DIRS "${_${_PYTHON_PREFIX}_LIB_DIRS}")
+      list (REMOVE_DUPLICATES _${_PYTHON_PREFIX}_LIB_DIRS)
+      # retrieve library name
+      string (REGEX MATCHALL "-lpython[^ ]+" _${_PYTHON_PREFIX}_LIB_NAMES "${_${_PYTHON_PREFIX}_FLAGS}")
+      string (REPLACE "-l" "" _${_PYTHON_PREFIX}_LIB_NAMES "${_${_PYTHON_PREFIX}_LIB_NAMES}")
+      list (REMOVE_DUPLICATES _${_PYTHON_PREFIX}_LIB_NAMES)
+
+      find_library (${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                    NAMES ${_${_PYTHON_PREFIX}_LIB_NAMES}
+                    NAMES_PER_DIR
+                    HINTS ${_${_PYTHON_PREFIX}_HINTS} ${_${_PYTHON_PREFIX}_LIB_DIRS}
+                    PATH_SUFFIXES lib
+                    NO_SYSTEM_ENVIRONMENT_PATH
+                    NO_CMAKE_SYSTEM_PATH)
+      # retrieve runtime library
+      if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
+        get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
+        get_filename_component (_${_PYTHON_PREFIX}_PATH2 "${_${_PYTHON_PREFIX}_PATH}" DIRECTORY)
+        _python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
+                                      NAMES ${_${_PYTHON_PREFIX}_LIB_NAMES}
+                                      NAMES_PER_DIR
+                                      HINTS "${_${_PYTHON_PREFIX}_PATH}" "${_${_PYTHON_PREFIX}_PATH2}" ${_${_PYTHON_PREFIX}_HINTS}
+                                      PATH_SUFFIXES bin
+                                      NO_SYSTEM_ENVIRONMENT_PATH
+                                      NO_CMAKE_SYSTEM_PATH)
+      endif()
+    endif()
+
+    # retrieve include directory
+    execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --includes
+                     RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                     OUTPUT_VARIABLE _${_PYTHON_PREFIX}_FLAGS
+                     ERROR_QUIET
+                     OUTPUT_STRIP_TRAILING_WHITESPACE)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+      # retrieve include directory
+      string (REGEX MATCHALL "-I[^ ]+" _${_PYTHON_PREFIX}_INCLUDE_DIRS "${_${_PYTHON_PREFIX}_FLAGS}")
+      string (REPLACE "-I" "" _${_PYTHON_PREFIX}_INCLUDE_DIRS "${_${_PYTHON_PREFIX}_INCLUDE_DIRS}")
+      list (REMOVE_DUPLICATES _${_PYTHON_PREFIX}_INCLUDE_DIRS)
+
+      find_path (${_PYTHON_PREFIX}_INCLUDE_DIR
+                 NAMES Python.h
+                 HINTS ${_${_PYTHON_PREFIX}_INCLUDE_DIRS}
+                 NO_SYSTEM_ENVIRONMENT_PATH
+                 NO_CMAKE_SYSTEM_PATH)
+    endif()
+
+    if (${_PYTHON_PREFIX}_LIBRARY_RELEASE AND ${_PYTHON_PREFIX}_INCLUDE_DIR)
+      break()
+    endif()
+  endforeach()
+
+  # Rely on HINTS and standard paths if config tool failed to locate artifacts
+  if (NOT (${_PYTHON_PREFIX}_LIBRARY_RELEASE OR ${_PYTHON_PREFIX}_LIBRARY_DEBUG) OR NOT ${_PYTHON_PREFIX}_INCLUDE_DIR)
+    foreach (_${_PYTHON_PREFIX}_VERSION IN LISTS _${_PYTHON_PREFIX}_FIND_VERSIONS)
+      string (REPLACE "." "" _${_PYTHON_PREFIX}_VERSION_NO_DOTS ${_${_PYTHON_PREFIX}_VERSION})
+
+      _python_get_frameworks (_${_PYTHON_PREFIX}_FRAMEWORK_PATHS ${_${_PYTHON_PREFIX}_VERSION})
+
+      set (_${_PYTHON_PREFIX}_REGISTRY_PATHS
+        [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+        [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+        [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+        [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+        [HKEY_CURRENT_USER\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+        [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+        [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath]
+        [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_${_PYTHON_PREFIX}_VERSION}\\InstallPath]
+        [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH}\\InstallPath]
+        [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\ContinuumAnalytics\\Anaconda${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}-${_${_PYTHON_PREFIX}_ARCH2}\\InstallPath])
+
+      if (APPLE AND _${_PYTHON_PREFIX}_FIND_FRAMEWORK STREQUAL "FIRST")
+        find_library (${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                      NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
+                            python${_${_PYTHON_PREFIX}_VERSION}mu
+                            python${_${_PYTHON_PREFIX}_VERSION}m
+                            python${_${_PYTHON_PREFIX}_VERSION}u
+                            python${_${_PYTHON_PREFIX}_VERSION}
+                      NAMES_PER_DIR
+                      PATHS ${_${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                      PATH_SUFFIXES lib/${CMAKE_LIBRARY_ARCHITECTURE} lib libs
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}mu
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}m
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}u
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config
+                      NO_CMAKE_PATH
+                      NO_CMAKE_ENVIRONMENT_PATH
+                      NO_SYSTEM_ENVIRONMENT_PATH
+                      NO_CMAKE_SYSTEM_PATH)
+      endif()
+
+      if (WIN32 AND _${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "FIRST")
+        find_library (${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                      NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
+                            python${_${_PYTHON_PREFIX}_VERSION}mu
+                            python${_${_PYTHON_PREFIX}_VERSION}m
+                            python${_${_PYTHON_PREFIX}_VERSION}u
+                            python${_${_PYTHON_PREFIX}_VERSION}
+                      NAMES_PER_DIR
+                      HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                      PATHS ${_${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                      PATH_SUFFIXES lib/${CMAKE_LIBRARY_ARCHITECTURE} lib libs
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}mu
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}m
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}u
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}
+                                    lib/python${_${_PYTHON_PREFIX}_VERSION}/config
+                      NO_SYSTEM_ENVIRONMENT_PATH
+                      NO_CMAKE_SYSTEM_PATH)
+      endif()
+
+      # search in HINTS locations
+      find_library (${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
+                          python${_${_PYTHON_PREFIX}_VERSION}mu
+                          python${_${_PYTHON_PREFIX}_VERSION}m
+                          python${_${_PYTHON_PREFIX}_VERSION}u
+                          python${_${_PYTHON_PREFIX}_VERSION}
+                    NAMES_PER_DIR
+                    HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                    PATH_SUFFIXES lib/${CMAKE_LIBRARY_ARCHITECTURE} lib libs
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}mu
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}m
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}u
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config
+                    NO_SYSTEM_ENVIRONMENT_PATH
+                    NO_CMAKE_SYSTEM_PATH)
+
+      if (APPLE AND _${_PYTHON_PREFIX}_FIND_FRAMEWORK STREQUAL "LAST")
+        set (__${_PYTHON_PREFIX}_FRAMEWORK_PATHS ${_${_PYTHON_PREFIX}_FRAMEWORK_PATHS})
+      else()
+        unset (__${_PYTHON_PREFIX}_FRAMEWORK_PATHS)
+      endif()
+
+      if (WIN32 AND _${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "LAST")
+        set (__${_PYTHON_PREFIX}_REGISTRY_PATHS ${_${_PYTHON_PREFIX}_REGISTRY_PATHS})
+      else()
+        unset (__${_PYTHON_PREFIX}_REGISTRY_PATHS)
+      endif()
+
+      # search in all default paths
+      find_library (${_PYTHON_PREFIX}_LIBRARY_RELEASE
+                    NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
+                          python${_${_PYTHON_PREFIX}_VERSION}mu
+                          python${_${_PYTHON_PREFIX}_VERSION}m
+                          python${_${_PYTHON_PREFIX}_VERSION}u
+                          python${_${_PYTHON_PREFIX}_VERSION}
+                    NAMES_PER_DIR
+                    PATHS ${__${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                          ${__${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                    PATH_SUFFIXES lib/${CMAKE_LIBRARY_ARCHITECTURE} lib libs
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}mu
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}m
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}u
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config-${_${_PYTHON_PREFIX}_VERSION}
+                                  lib/python${_${_PYTHON_PREFIX}_VERSION}/config)
+      # retrieve runtime library
+      if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
+        get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
+        get_filename_component (_${_PYTHON_PREFIX}_PATH2 "${_${_PYTHON_PREFIX}_PATH}" DIRECTORY)
+        _python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
+                                      NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}
+                                            python${_${_PYTHON_PREFIX}_VERSION}mu
+                                            python${_${_PYTHON_PREFIX}_VERSION}m
+                                            python${_${_PYTHON_PREFIX}_VERSION}u
+                                            python${_${_PYTHON_PREFIX}_VERSION}
+                                      NAMES_PER_DIR
+                                      HINTS "${_${_PYTHON_PREFIX}_PATH}" "${_${_PYTHON_PREFIX}_PATH2}" ${_${_PYTHON_PREFIX}_HINTS}
+                                      PATH_SUFFIXES bin)
+      endif()
+
+      if (WIN32)
+        # search for debug library
+        if (${_PYTHON_PREFIX}_LIBRARY_RELEASE)
+          # use library location as a hint
+          get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}" DIRECTORY)
+          find_library (${_PYTHON_PREFIX}_LIBRARY_DEBUG
+                        NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}_d
+                        NAMES_PER_DIR
+                        HINTS "${_${_PYTHON_PREFIX}_PATH}" ${_${_PYTHON_PREFIX}_HINTS}
+                        NO_DEFAULT_PATH)
+        else()
+          # search first in known locations
+          if (_${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "FIRST")
+            find_library (${_PYTHON_PREFIX}_LIBRARY_DEBUG
+                          NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}_d
+                          NAMES_PER_DIR
+                          HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                          PATHS ${_${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                          PATH_SUFFIXES lib libs
+                          NO_SYSTEM_ENVIRONMENT_PATH
+                          NO_CMAKE_SYSTEM_PATH)
+          endif()
+          # search in all default paths
+          find_library (${_PYTHON_PREFIX}_LIBRARY_DEBUG
+                        NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}_d
+                        NAMES_PER_DIR
+                        HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                        PATHS ${__${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                        PATH_SUFFIXES lib libs)
+        endif()
+        if (${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+          get_filename_component (_${_PYTHON_PREFIX}_PATH "${${_PYTHON_PREFIX}_LIBRARY_DEBUG}" DIRECTORY)
+          get_filename_component (_${_PYTHON_PREFIX}_PATH2 "${_${_PYTHON_PREFIX}_PATH}" DIRECTORY)
+          _python_find_runtime_library (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG
+                                        NAMES python${_${_PYTHON_PREFIX}_VERSION_NO_DOTS}_d
+                                        NAMES_PER_DIR
+                                        HINTS "${_${_PYTHON_PREFIX}_PATH}" "${_${_PYTHON_PREFIX}_PATH2}" ${_${_PYTHON_PREFIX}_HINTS}
+                                        PATH_SUFFIXES bin)
+        endif()
+      endif()
+
+      # Don't search for include dir until library location is known
+      if (${_PYTHON_PREFIX}_LIBRARY_RELEASE OR ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+        unset (_${_PYTHON_PREFIX}_INCLUDE_HINTS)
+
+        if (${_PYTHON_PREFIX}_EXECUTABLE)
+          # pick up include directory from configuration
+          execute_process (COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+                                   "import sys; import sysconfig; sys.stdout.write(sysconfig.get_path('include'))"
+                           RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                           OUTPUT_VARIABLE _${_PYTHON_PREFIX}_PATH
+                           ERROR_QUIET
+                           OUTPUT_STRIP_TRAILING_WHITESPACE)
+           if (NOT _${_PYTHON_PREFIX}_RESULT)
+             file (TO_CMAKE_PATH "${_${_PYTHON_PREFIX}_PATH}" _${_PYTHON_PREFIX}_PATH)
+             list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${_${_PYTHON_PREFIX}_PATH}")
+           endif()
+        endif()
+
+        foreach (_${_PYTHON_PREFIX}_LIB IN ITEMS ${_PYTHON_PREFIX}_LIBRARY_RELEASE ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+          if (${_${_PYTHON_PREFIX}_LIB})
+            # Use the library's install prefix as a hint
+            if (${_${_PYTHON_PREFIX}_LIB} MATCHES "^(.+/Frameworks/Python.framework/Versions/[0-9.]+)")
+              list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
+            elseif (${_${_PYTHON_PREFIX}_LIB} MATCHES "^(.+)/lib(64|32)?/python[0-9.]+/config")
+              list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
+            elseif (DEFINED CMAKE_LIBRARY_ARCHITECTURE AND ${_${_PYTHON_PREFIX}_LIB} MATCHES "^(.+)/lib/${CMAKE_LIBRARY_ARCHITECTURE}")
+              list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${CMAKE_MATCH_1}")
+            else()
+              # assume library is in a directory under root
+              get_filename_component (_${_PYTHON_PREFIX}_PREFIX "${${_${_PYTHON_PREFIX}_LIB}}" DIRECTORY)
+              get_filename_component (_${_PYTHON_PREFIX}_PREFIX "${_${_PYTHON_PREFIX}_PREFIX}" DIRECTORY)
+              list (APPEND _${_PYTHON_PREFIX}_INCLUDE_HINTS "${_${_PYTHON_PREFIX}_PREFIX}")
+            endif()
+          endif()
+        endforeach()
+        list (REMOVE_DUPLICATES _${_PYTHON_PREFIX}_INCLUDE_HINTS)
+
+        if (APPLE AND _${_PYTHON_PREFIX}_FIND_FRAMEWORK STREQUAL "FIRST")
+          find_path (${_PYTHON_PREFIX}_INCLUDE_DIR
+                     NAMES Python.h
+                     HINTS ${_${_PYTHON_PREFIX}_HINTS}
+                     PATHS ${_${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                     PATH_SUFFIXES include/python${_${_PYTHON_PREFIX}_VERSION}mu
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}m
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}u
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}
+                                   include
+                     NO_CMAKE_PATH
+                     NO_CMAKE_ENVIRONMENT_PATH
+                     NO_SYSTEM_ENVIRONMENT_PATH
+                     NO_CMAKE_SYSTEM_PATH)
+        endif()
+
+        if (WIN32 AND _${_PYTHON_PREFIX}_FIND_REGISTRY STREQUAL "FIRST")
+          find_path (${_PYTHON_PREFIX}_INCLUDE_DIR
+                     NAMES Python.h
+                     HINTS ${_${_PYTHON_PREFIX}_INCLUDE_HINTS} ${_${_PYTHON_PREFIX}_HINTS}
+                     PATHS ${_${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                     PATH_SUFFIXES include/python${_${_PYTHON_PREFIX}_VERSION}mu
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}m
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}u
+                                   include/python${_${_PYTHON_PREFIX}_VERSION}
+                                   include
+                     NO_SYSTEM_ENVIRONMENT_PATH
+                     NO_CMAKE_SYSTEM_PATH)
+        endif()
+
+        find_path (${_PYTHON_PREFIX}_INCLUDE_DIR
+                   NAMES Python.h
+                   HINTS ${_${_PYTHON_PREFIX}_INCLUDE_HINTS} ${_${_PYTHON_PREFIX}_HINTS}
+                   PATHS ${__${_PYTHON_PREFIX}_FRAMEWORK_PATHS}
+                         ${__${_PYTHON_PREFIX}_REGISTRY_PATHS}
+                   PATH_SUFFIXES include/python${_${_PYTHON_PREFIX}_VERSION}mu
+                                 include/python${_${_PYTHON_PREFIX}_VERSION}m
+                                 include/python${_${_PYTHON_PREFIX}_VERSION}u
+                                 include/python${_${_PYTHON_PREFIX}_VERSION}
+                                 include
+                   NO_SYSTEM_ENVIRONMENT_PATH
+                   NO_CMAKE_SYSTEM_PATH)
+      endif()
+
+      if ((${_PYTHON_PREFIX}_LIBRARY_RELEASE OR ${_PYTHON_PREFIX}_LIBRARY_DEBUG) AND ${_PYTHON_PREFIX}_INCLUDE_DIR)
+        break()
+      endif()
+    endforeach()
+
+    # search header file in standard locations
+    find_path (${_PYTHON_PREFIX}_INCLUDE_DIR
+               NAMES Python.h)
+  endif()
+
+  if (${_PYTHON_PREFIX}_INCLUDE_DIR)
+    # retrieve version from header file
+    file (STRINGS "${${_PYTHON_PREFIX}_INCLUDE_DIR}/patchlevel.h" _${_PYTHON_PREFIX}_VERSION
+          REGEX "^#define[ \t]+PY_VERSION[ \t]+\"[^\"]+\"")
+    string (REGEX REPLACE "^#define[ \t]+PY_VERSION[ \t]+\"([^\"]+)\".*" "\\1"
+                          _${_PYTHON_PREFIX}_VERSION "${_${_PYTHON_PREFIX}_VERSION}")
+    string (REGEX MATCHALL "[0-9]+" _${_PYTHON_PREFIX}_VERSIONS "${_${_PYTHON_PREFIX}_VERSION}")
+    list (GET _${_PYTHON_PREFIX}_VERSIONS 0 _${_PYTHON_PREFIX}_VERSION_MAJOR)
+    list (GET _${_PYTHON_PREFIX}_VERSIONS 1 _${_PYTHON_PREFIX}_VERSION_MINOR)
+    list (GET _${_PYTHON_PREFIX}_VERSIONS 2 _${_PYTHON_PREFIX}_VERSION_PATCH)
+
+    if (NOT ${_PYTHON_PREFIX}_Interpreter_FOUND AND NOT ${_PYTHON_PREFIX}_Compiler_FOUND)
+      # set public version information
+      set (${_PYTHON_PREFIX}_VERSION ${_${_PYTHON_PREFIX}_VERSION})
+      set (${_PYTHON_PREFIX}_VERSION_MAJOR ${_${_PYTHON_PREFIX}_VERSION_MAJOR})
+      set (${_PYTHON_PREFIX}_VERSION_MINOR ${_${_PYTHON_PREFIX}_VERSION_MINOR})
+      set (${_PYTHON_PREFIX}_VERSION_PATCH ${_${_PYTHON_PREFIX}_VERSION_PATCH})
+    endif()
+  endif()
+
+  # define public variables
+  include (SelectLibraryConfigurations)
+  select_library_configurations (${_PYTHON_PREFIX})
+  if (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE)
+    set (${_PYTHON_PREFIX}_RUNTIME_LIBRARY "${${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE}")
+  elseif (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG)
+    set (${_PYTHON_PREFIX}_RUNTIME_LIBRARY "${${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG}")
+  else()
+    set (${_PYTHON_PREFIX}_RUNTIME_LIBRARY "$${_PYTHON_PREFIX}_RUNTIME_LIBRARY-NOTFOUND")
+  endif()
+
+  _python_set_library_dirs (${_PYTHON_PREFIX}_LIBRARY_DIRS
+                            ${_PYTHON_PREFIX}_LIBRARY_RELEASE ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+  if (UNIX)
+    if (${_PYTHON_PREFIX}_LIBRARY_RELEASE MATCHES "${CMAKE_SHARED_LIBRARY_SUFFIX}$"
+        OR ${_PYTHON_PREFIX}_LIBRARY_RELEASE MATCHES "${CMAKE_SHARED_LIBRARY_SUFFIX}$")
+      set (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DIRS ${${_PYTHON_PREFIX}_LIBRARY_DIRS})
+    endif()
+  else()
+      _python_set_library_dirs (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DIRS
+                                ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG)
+  endif()
+
+  set (${_PYTHON_PREFIX}_INCLUDE_DIRS "${${_PYTHON_PREFIX}_INCLUDE_DIR}")
+
+  mark_as_advanced (${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
+                    ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG
+                    ${_PYTHON_PREFIX}_INCLUDE_DIR)
+
+  if ((${_PYTHON_PREFIX}_LIBRARY_RELEASE OR ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+      AND ${_PYTHON_PREFIX}_INCLUDE_DIR)
+    if (${_PYTHON_PREFIX}_Interpreter_FOUND OR ${_PYTHON_PREFIX}_Compiler_FOUND)
+      # development environment must be compatible with interpreter/compiler
+      if (${_${_PYTHON_PREFIX}_VERSION_MAJOR}.${_${_PYTHON_PREFIX}_VERSION_MINOR} VERSION_EQUAL ${${_PYTHON_PREFIX}_VERSION_MAJOR}.${${_PYTHON_PREFIX}_VERSION_MINOR})
+        set (${_PYTHON_PREFIX}_Development_FOUND TRUE)
+      endif()
+    elseif (${_PYTHON_PREFIX}_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+      set (${_PYTHON_PREFIX}_Development_FOUND TRUE)
+    endif()
+  endif()
+
+  # Restore the original find library ordering
+  if (DEFINED _${_PYTHON_PREFIX}_CMAKE_FIND_LIBRARY_SUFFIXES)
+    set (CMAKE_FIND_LIBRARY_SUFFIXES ${_${_PYTHON_PREFIX}_CMAKE_FIND_LIBRARY_SUFFIXES})
+  endif()
+endif()
+
+if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS AND ${_PYTHON_PREFIX}_Interpreter_FOUND)
+  list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
+  if (${_PYTHON_PREFIX}_FIND_REQUIRED_NumPy)
+    list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
+  endif()
+  execute_process(
+      COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+              "from __future__ import print_function\ntry: import numpy; print(numpy.get_include(), end='')\nexcept:pass\n"
+      RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+      OUTPUT_VARIABLE _${_PYTHON_PREFIX}_NumPy_PATH
+      ERROR_QUIET
+      OUTPUT_STRIP_TRAILING_WHITESPACE)
+  if (NOT _${_PYTHON_PREFIX}_RESULT)
+    find_path(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR
+              NAMES "numpy/arrayobject.h" "numpy/numpyconfig.h"
+              HINTS "${_${_PYTHON_PREFIX}_NumPy_PATH}"
+              NO_DEFAULT_PATH)
+  endif()
+  if(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR)
+    set(${_PYTHON_PREFIX}_NumPy_INCLUDE_DIRS "${${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
+    set(${_PYTHON_PREFIX}_NumPy_FOUND TRUE)
+  endif()
+  if(${_PYTHON_PREFIX}_NumPy_FOUND)
+    execute_process(
+            COMMAND "${${_PYTHON_PREFIX}_EXECUTABLE}" -c
+            "from __future__ import print_function\ntry: import numpy; print(numpy.__version__, end='')\nexcept:pass\n"
+            RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+            OUTPUT_VARIABLE _${_PYTHON_PREFIX}_NumPy_VERSION)
+    if (NOT _${_PYTHON_PREFIX}_RESULT)
+       set(${_PYTHON_PREFIX}_NumPy_VERSION "${_${_PYTHON_PREFIX}_NumPy_VERSION}")
+    endif()
+  endif()
+  # final step: set NumPy founded only if Development component is founded as well
+  if (NOT ${_PYTHON_PREFIX}_Development_FOUND)
+    set(${_PYTHON_PREFIX}_NumPy_FOUND FALSE)
+  endif()
+endif()
+
+# final validation
+if (${_PYTHON_PREFIX}_VERSION_MAJOR AND
+    NOT ${_PYTHON_PREFIX}_VERSION_MAJOR VERSION_EQUAL _${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR)
+  _python_display_failure ("Could NOT find ${_PYTHON_PREFIX}: Found unsuitable major version \"${${_PYTHON_PREFIX}_VERSION_MAJOR}\", but required major version is exact version \"${_${_PYTHON_PREFIX}_REQUIRED_VERSION_MAJOR}\"")
+endif()
+
+include (FindPackageHandleStandardArgs)
+find_package_handle_standard_args (${_PYTHON_PREFIX}
+                                   REQUIRED_VARS ${_${_PYTHON_PREFIX}_REQUIRED_VARS}
+                                   VERSION_VAR ${_PYTHON_PREFIX}_VERSION
+                                   HANDLE_COMPONENTS)
+
+# Create imported targets and helper functions
+if(_${_PYTHON_PREFIX}_CMAKE_ROLE STREQUAL "PROJECT")
+  if ("Interpreter" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
+      AND ${_PYTHON_PREFIX}_Interpreter_FOUND
+      AND NOT TARGET ${_PYTHON_PREFIX}::Interpreter)
+    add_executable (${_PYTHON_PREFIX}::Interpreter IMPORTED)
+    set_property (TARGET ${_PYTHON_PREFIX}::Interpreter
+                  PROPERTY IMPORTED_LOCATION "${${_PYTHON_PREFIX}_EXECUTABLE}")
+  endif()
+
+  if ("Compiler" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
+      AND ${_PYTHON_PREFIX}_Compiler_FOUND
+      AND NOT TARGET ${_PYTHON_PREFIX}::Compiler)
+    add_executable (${_PYTHON_PREFIX}::Compiler IMPORTED)
+    set_property (TARGET ${_PYTHON_PREFIX}::Compiler
+                  PROPERTY IMPORTED_LOCATION "${${_PYTHON_PREFIX}_COMPILER}")
+  endif()
+
+  if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
+      AND ${_PYTHON_PREFIX}_Development_FOUND AND NOT TARGET ${_PYTHON_PREFIX}::Python)
+
+    if (${_PYTHON_PREFIX}_LIBRARY_RELEASE MATCHES "${CMAKE_SHARED_LIBRARY_SUFFIX}$"
+        OR ${_PYTHON_PREFIX}_LIBRARY_DEBUG MATCHES "${CMAKE_SHARED_LIBRARY_SUFFIX}$"
+        OR ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE OR ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG)
+      set (_${_PYTHON_PREFIX}_LIBRARY_TYPE SHARED)
+    else()
+      set (_${_PYTHON_PREFIX}_LIBRARY_TYPE STATIC)
+    endif()
+
+    add_library (${_PYTHON_PREFIX}::Python ${_${_PYTHON_PREFIX}_LIBRARY_TYPE} IMPORTED)
+
+    set_property (TARGET ${_PYTHON_PREFIX}::Python
+                  PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${_PYTHON_PREFIX}_INCLUDE_DIR}")
+
+    if ((${_PYTHON_PREFIX}_LIBRARY_RELEASE AND ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE)
+        OR (${_PYTHON_PREFIX}_LIBRARY_DEBUG AND ${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG))
+      # System manage shared libraries in two parts: import and runtime
+      if (${_PYTHON_PREFIX}_LIBRARY_RELEASE AND ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+        set_property (TARGET ${_PYTHON_PREFIX}::Python PROPERTY IMPORTED_CONFIGURATIONS RELEASE DEBUG)
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
+                                          IMPORTED_IMPLIB_RELEASE "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}"
+                                          IMPORTED_LOCATION_RELEASE "${${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE}")
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
+                                          IMPORTED_IMPLIB_DEBUG "${${_PYTHON_PREFIX}_LIBRARY_DEBUG}"
+                                          IMPORTED_LOCATION_DEBUG "${${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG}")
+      else()
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                                          IMPORTED_IMPLIB "${${_PYTHON_PREFIX}_LIBRARY}"
+                                          IMPORTED_LOCATION "${${_PYTHON_PREFIX}_RUNTIME_LIBRARY}")
+      endif()
+    else()
+      if (${_PYTHON_PREFIX}_LIBRARY_RELEASE AND ${_PYTHON_PREFIX}_LIBRARY_DEBUG)
+        set_property (TARGET ${_PYTHON_PREFIX}::Python PROPERTY IMPORTED_CONFIGURATIONS RELEASE DEBUG)
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "C"
+                                          IMPORTED_LOCATION_RELEASE "${${_PYTHON_PREFIX}_LIBRARY_RELEASE}")
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "C"
+                                          IMPORTED_LOCATION_DEBUG "${${_PYTHON_PREFIX}_LIBRARY_DEBUG}")
+      else()
+        set_target_properties (${_PYTHON_PREFIX}::Python
+                               PROPERTIES IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+                                          IMPORTED_LOCATION "${${_PYTHON_PREFIX}_LIBRARY}")
+      endif()
+    endif()
+
+    if (_${_PYTHON_PREFIX}_CONFIG AND _${_PYTHON_PREFIX}_LIBRARY_TYPE STREQUAL "STATIC")
+      # extend link information with dependent libraries
+      execute_process (COMMAND "${_${_PYTHON_PREFIX}_CONFIG}" --ldflags
+                       RESULT_VARIABLE _${_PYTHON_PREFIX}_RESULT
+                       OUTPUT_VARIABLE _${_PYTHON_PREFIX}_FLAGS
+                       ERROR_QUIET
+                       OUTPUT_STRIP_TRAILING_WHITESPACE)
+      if (NOT _${_PYTHON_PREFIX}_RESULT)
+        string (REGEX MATCHALL "-[Ll][^ ]+" _${_PYTHON_PREFIX}_LINK_LIBRARIES "${_${_PYTHON_PREFIX}_FLAGS}")
+        # remove elements relative to python library itself
+        list (FILTER _${_PYTHON_PREFIX}_LINK_LIBRARIES EXCLUDE REGEX "-lpython")
+        foreach (_${_PYTHON_PREFIX}_DIR IN LISTS ${_PYTHON_PREFIX}_LIBRARY_DIRS)
+          list (FILTER _${_PYTHON_PREFIX}_LINK_LIBRARIES EXCLUDE REGEX "-L${${_PYTHON_PREFIX}_DIR}")
+        endforeach()
+        set_property (TARGET ${_PYTHON_PREFIX}::Python
+                      PROPERTY INTERFACE_LINK_LIBRARIES ${_${_PYTHON_PREFIX}_LINK_LIBRARIES})
+      endif()
+    endif()
+
+    #
+    # PYTHON_ADD_LIBRARY (<name> [STATIC|SHARED|MODULE] src1 src2 ... srcN)
+    # It is used to build modules for python.
+    #
+    function (__${_PYTHON_PREFIX}_ADD_LIBRARY prefix name)
+      cmake_parse_arguments (PARSE_ARGV 2 PYTHON_ADD_LIBRARY
+                             "STATIC;SHARED;MODULE" "" "")
+
+      unset (type)
+      if (NOT (PYTHON_ADD_LIBRARY_STATIC
+            OR PYTHON_ADD_LIBRARY_SHARED
+            OR PYTHON_ADD_LIBRARY_MODULE))
+        set (type MODULE)
+      endif()
+      add_library (${name} ${type} ${ARGN})
+      target_link_libraries (${name} PRIVATE ${prefix}::Python)
+
+      # customize library name to follow module name rules
+      get_property (type TARGET ${name} PROPERTY TYPE)
+      if (type STREQUAL "MODULE_LIBRARY")
+        set_property (TARGET ${name} PROPERTY PREFIX "")
+        if(CMAKE_SYSTEM_NAME STREQUAL "Windows")
+          set_property (TARGET ${name} PROPERTY SUFFIX ".pyd")
+        endif()
+      endif()
+    endfunction()
+  endif()
+
+  if ("NumPy" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS AND ${_PYTHON_PREFIX}_NumPy_FOUND
+      AND NOT TARGET ${_PYTHON_PREFIX}::NumPy AND TARGET ${_PYTHON_PREFIX}::Python)
+    add_library (${_PYTHON_PREFIX}::NumPy INTERFACE IMPORTED)
+    set_property (TARGET ${_PYTHON_PREFIX}::NumPy
+                  PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${${_PYTHON_PREFIX}_NumPy_INCLUDE_DIR}")
+    target_link_libraries (${_PYTHON_PREFIX}::NumPy INTERFACE ${_PYTHON_PREFIX}::Python)
+  endif()
+endif()
+
+# final clean-up
+
+# Restore CMAKE_FIND_APPBUNDLE
+if (DEFINED _${_PYTHON_PREFIX}_CMAKE_FIND_APPBUNDLE)
+  set (CMAKE_FIND_APPBUNDLE ${_${_PYTHON_PREFIX}_CMAKE_FIND_APPBUNDLE})
+  unset (_${_PYTHON_PREFIX}_CMAKE_FIND_APPBUNDLE)
+else()
+  unset (CMAKE_FIND_APPBUNDLE)
+endif()
+# Restore CMAKE_FIND_FRAMEWORK
+if (DEFINED _${_PYTHON_PREFIX}_CMAKE_FIND_FRAMEWORK)
+  set (CMAKE_FIND_FRAMEWORK ${_${_PYTHON_PREFIX}_CMAKE_FIND_FRAMEWORK})
+  unset (_${_PYTHON_PREFIX}_CMAKE_FIND_FRAMEWORK)
+else()
+  unset (CMAKE_FIND_FRAMEWORK)
+endif()
+
+unset (_${_PYTHON_PREFIX}_CONFIG CACHE)