diff options
Diffstat (limited to 'Modules/FindPythonInterp.cmake')
| -rw-r--r-- | Modules/FindPythonInterp.cmake | 115 |
1 files changed, 64 insertions, 51 deletions
diff --git a/Modules/FindPythonInterp.cmake b/Modules/FindPythonInterp.cmake index 7fb65b869..64b98a879 100644 --- a/Modules/FindPythonInterp.cmake +++ b/Modules/FindPythonInterp.cmake @@ -1,74 +1,86 @@ -# - Find python interpreter -# This module finds if Python interpreter is installed and determines where the -# executables are. This code sets the following variables: +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindPythonInterp +# ---------------- # -# PYTHONINTERP_FOUND - Was the Python executable found -# PYTHON_EXECUTABLE - path to the Python interpreter +# Find python interpreter # -# PYTHON_VERSION_STRING - Python version found e.g. 2.5.2 -# PYTHON_VERSION_MAJOR - Python major version found e.g. 2 -# PYTHON_VERSION_MINOR - Python minor version found e.g. 5 -# PYTHON_VERSION_PATCH - Python patch version found e.g. 2 +# This module finds if Python interpreter is installed and determines +# where the executables are. This code sets the following variables: # -# The Python_ADDITIONAL_VERSIONS variable can be used to specify a list of -# version numbers that should be taken into account when searching for Python. -# You need to set this variable before calling find_package(PythonInterp). - -#============================================================================= -# Copyright 2005-2010 Kitware, Inc. -# Copyright 2011 Bjoern Ricks <bjoern.ricks@gmail.com> -# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de> +# :: +# +# PYTHONINTERP_FOUND - Was the Python executable found +# PYTHON_EXECUTABLE - path to the Python interpreter +# +# +# +# :: +# +# PYTHON_VERSION_STRING - Python version found e.g. 2.5.2 +# PYTHON_VERSION_MAJOR - Python major version found e.g. 2 +# PYTHON_VERSION_MINOR - Python minor version found e.g. 5 +# PYTHON_VERSION_PATCH - Python patch version found e.g. 2 # -# Distributed under the OSI-approved BSD License (the "License"); -# see accompanying file Copyright.txt for details. # -# This software is distributed WITHOUT ANY WARRANTY; without even the -# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. -# See the License for more information. -#============================================================================= -# (To distribute this file outside of CMake, substitute the full -# License text for the above reference.) +# +# The Python_ADDITIONAL_VERSIONS variable can be used to specify a list +# of version numbers that should be taken into account when searching +# for Python. You need to set this variable before calling +# find_package(PythonInterp). +# +# If calling both ``find_package(PythonInterp)`` and +# ``find_package(PythonLibs)``, call ``find_package(PythonInterp)`` first to +# get the currently active Python version by default with a consistent version +# of PYTHON_LIBRARIES. unset(_Python_NAMES) set(_PYTHON1_VERSIONS 1.6 1.5) set(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0) -set(_PYTHON3_VERSIONS 3.3 3.2 3.1 3.0) +set(_PYTHON3_VERSIONS 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0) if(PythonInterp_FIND_VERSION) - if(PythonInterp_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$") - string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" _PYTHON_FIND_MAJ_MIN "${PythonInterp_FIND_VERSION}") - string(REGEX REPLACE "^([0-9]+).*" "\\1" _PYTHON_FIND_MAJ "${_PYTHON_FIND_MAJ_MIN}") - list(APPEND _Python_NAMES python${_PYTHON_FIND_MAJ_MIN} python${_PYTHON_FIND_MAJ}) + if(PythonInterp_FIND_VERSION_COUNT GREATER 1) + set(_PYTHON_FIND_MAJ_MIN "${PythonInterp_FIND_VERSION_MAJOR}.${PythonInterp_FIND_VERSION_MINOR}") + list(APPEND _Python_NAMES + python${_PYTHON_FIND_MAJ_MIN} + python${PythonInterp_FIND_VERSION_MAJOR}) unset(_PYTHON_FIND_OTHER_VERSIONS) if(NOT PythonInterp_FIND_VERSION_EXACT) - foreach(_PYTHON_V ${_PYTHON${_PYTHON_FIND_MAJ}_VERSIONS}) + foreach(_PYTHON_V ${_PYTHON${PythonInterp_FIND_VERSION_MAJOR}_VERSIONS}) if(NOT _PYTHON_V VERSION_LESS _PYTHON_FIND_MAJ_MIN) list(APPEND _PYTHON_FIND_OTHER_VERSIONS ${_PYTHON_V}) endif() endforeach() endif() unset(_PYTHON_FIND_MAJ_MIN) - unset(_PYTHON_FIND_MAJ) else() - list(APPEND _Python_NAMES python${PythonInterp_FIND_VERSION}) - set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonInterp_FIND_VERSION}_VERSIONS}) + list(APPEND _Python_NAMES python${PythonInterp_FIND_VERSION_MAJOR}) + set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonInterp_FIND_VERSION_MAJOR}_VERSIONS}) endif() else() set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS}) endif() - -list(APPEND _Python_NAMES python) - -# Search for the current active python version first find_program(PYTHON_EXECUTABLE NAMES ${_Python_NAMES}) # Set up the versions we know about, in the order we will search. Always add # the user supplied additional versions to the front. -set(_Python_VERSIONS - ${Python_ADDITIONAL_VERSIONS} - ${_PYTHON_FIND_OTHER_VERSIONS} - ) +set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS}) +# If FindPythonInterp has already found the major and minor version, +# insert that version next to get consistent versions of the interpreter and +# library. +if(DEFINED PYTHONLIBS_VERSION_STRING) + string(REPLACE "." ";" _PYTHONLIBS_VERSION "${PYTHONLIBS_VERSION_STRING}") + list(GET _PYTHONLIBS_VERSION 0 _PYTHONLIBS_VERSION_MAJOR) + list(GET _PYTHONLIBS_VERSION 1 _PYTHONLIBS_VERSION_MINOR) + list(APPEND _Python_VERSIONS ${_PYTHONLIBS_VERSION_MAJOR}.${_PYTHONLIBS_VERSION_MINOR}) +endif() +# Search for the current active python version first +list(APPEND _Python_VERSIONS ";") +list(APPEND _Python_VERSIONS ${_PYTHON_FIND_OTHER_VERSIONS}) unset(_PYTHON_FIND_OTHER_VERSIONS) unset(_PYTHON1_VERSIONS) @@ -77,14 +89,17 @@ unset(_PYTHON3_VERSIONS) # Search for newest python version if python executable isn't found if(NOT PYTHON_EXECUTABLE) - foreach(_CURRENT_VERSION ${_Python_VERSIONS}) + foreach(_CURRENT_VERSION IN LISTS _Python_VERSIONS) set(_Python_NAMES python${_CURRENT_VERSION}) - if(WIN32) + if(CMAKE_HOST_WIN32) list(APPEND _Python_NAMES python) endif() find_program(PYTHON_EXECUTABLE NAMES ${_Python_NAMES} - PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath] + PATHS + [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath] + [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-32\\InstallPath] + [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}-64\\InstallPath] ) endforeach() endif() @@ -115,8 +130,8 @@ if(PYTHON_EXECUTABLE) string(REGEX REPLACE " .*" "" PYTHON_VERSION_STRING "${_VERSION}") string(REGEX REPLACE "^([0-9]+)\\.[0-9]+.*" "\\1" PYTHON_VERSION_MAJOR "${PYTHON_VERSION_STRING}") string(REGEX REPLACE "^[0-9]+\\.([0-9])+.*" "\\1" PYTHON_VERSION_MINOR "${PYTHON_VERSION_STRING}") - if(PYTHON_VERSION_STRING MATCHES "^[0-9]+\\.[0-9]+\\.[0-9]+.*") - string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" PYTHON_VERSION_PATCH "${PYTHON_VERSION_STRING}") + if(PYTHON_VERSION_STRING MATCHES "^[0-9]+\\.[0-9]+\\.([0-9]+)") + set(PYTHON_VERSION_PATCH "${CMAKE_MATCH_1}") else() set(PYTHON_VERSION_PATCH "0") endif() @@ -125,16 +140,14 @@ if(PYTHON_EXECUTABLE) # this is older. set(PYTHON_VERSION_STRING "1.4") set(PYTHON_VERSION_MAJOR "1") - set(PYTHON_VERSION_MAJOR "4") - set(PYTHON_VERSION_MAJOR "0") + set(PYTHON_VERSION_MINOR "4") + set(PYTHON_VERSION_PATCH "0") endif() endif() unset(_PYTHON_VERSION_RESULT) unset(_VERSION) endif() -# handle the QUIETLY and REQUIRED arguments and set PYTHONINTERP_FOUND to TRUE if -# all listed variables are TRUE include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonInterp REQUIRED_VARS PYTHON_EXECUTABLE VERSION_VAR PYTHON_VERSION_STRING) |