diff options
Diffstat (limited to 'Modules/FindPythonLibs.cmake')
| -rw-r--r-- | Modules/FindPythonLibs.cmake | 212 |
1 files changed, 144 insertions, 68 deletions
diff --git a/Modules/FindPythonLibs.cmake b/Modules/FindPythonLibs.cmake index bffa9fb4f..63ec9a84e 100644 --- a/Modules/FindPythonLibs.cmake +++ b/Modules/FindPythonLibs.cmake @@ -1,49 +1,84 @@ -# - Find python libraries +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#.rst: +# FindPythonLibs +# -------------- +# +# Find python libraries +# # This module finds if Python is installed and determines where the -# include files and libraries are. It also determines what the name of -# the library is. This code sets the following variables: +# include files and libraries are. It also determines what the name of +# the library is. This code sets the following variables: # -# PYTHONLIBS_FOUND - have the Python libs been found -# PYTHON_LIBRARIES - path to the python library -# PYTHON_INCLUDE_PATH - path to where Python.h is found (deprecated) -# PYTHON_INCLUDE_DIRS - path to where Python.h is found -# PYTHON_DEBUG_LIBRARIES - path to the debug library (deprecated) -# PYTHONLIBS_VERSION_STRING - version of the Python libs found (since CMake 2.8.8) +# :: # -# 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(PythonLibs). +# PYTHONLIBS_FOUND - have the Python libs been found +# PYTHON_LIBRARIES - path to the python library +# PYTHON_INCLUDE_PATH - path to where Python.h is found (deprecated) +# PYTHON_INCLUDE_DIRS - path to where Python.h is found +# PYTHON_DEBUG_LIBRARIES - path to the debug library (deprecated) +# PYTHONLIBS_VERSION_STRING - version of the Python libs found (since CMake 2.8.8) # -# If you'd like to specify the installation of Python to use, you should modify -# the following cache variables: -# PYTHON_LIBRARY - path to the python library -# PYTHON_INCLUDE_DIR - path to where Python.h is found - -#============================================================================= -# Copyright 2001-2009 Kitware, Inc. # -# 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(PythonLibs). +# +# If you'd like to specify the installation of Python to use, you should +# modify the following cache variables: +# +# :: +# +# PYTHON_LIBRARY - path to the python library +# PYTHON_INCLUDE_DIR - path to where Python.h is found +# +# 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. + +# Use the executable's path as a hint +set(_Python_LIBRARY_PATH_HINT) +if(IS_ABSOLUTE "${PYTHON_EXECUTABLE}") + if(WIN32) + get_filename_component(_Python_PREFIX "${PYTHON_EXECUTABLE}" PATH) + if(_Python_PREFIX) + set(_Python_LIBRARY_PATH_HINT ${_Python_PREFIX}/libs) + endif() + unset(_Python_PREFIX) + else() + get_filename_component(_Python_PREFIX "${PYTHON_EXECUTABLE}" PATH) + get_filename_component(_Python_PREFIX "${_Python_PREFIX}" PATH) + if(_Python_PREFIX) + set(_Python_LIBRARY_PATH_HINT ${_Python_PREFIX}/lib) + endif() + unset(_Python_PREFIX) + endif() +endif() include(${CMAKE_CURRENT_LIST_DIR}/CMakeFindFrameworks.cmake) # Search for the python framework on Apple. CMAKE_FIND_FRAMEWORKS(Python) +# Save CMAKE_FIND_FRAMEWORK +if(DEFINED CMAKE_FIND_FRAMEWORK) + set(_PythonLibs_CMAKE_FIND_FRAMEWORK ${CMAKE_FIND_FRAMEWORK}) +else() + unset(_PythonLibs_CMAKE_FIND_FRAMEWORK) +endif() +# To avoid picking up the system Python.h pre-maturely. +set(CMAKE_FIND_FRAMEWORK LAST) + set(_PYTHON1_VERSIONS 1.6 1.5) set(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0) -set(_PYTHON3_VERSIONS 3.3 3.2 3.1 3.0) +set(_PYTHON3_VERSIONS 3.7 3.6 3.5 3.4 3.3 3.2 3.1 3.0) if(PythonLibs_FIND_VERSION) - if(PythonLibs_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$") - string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" _PYTHON_FIND_MAJ_MIN "${PythonLibs_FIND_VERSION}") - string(REGEX REPLACE "^([0-9]+).*" "\\1" _PYTHON_FIND_MAJ "${_PYTHON_FIND_MAJ_MIN}") + if(PythonLibs_FIND_VERSION_COUNT GREATER 1) + set(_PYTHON_FIND_MAJ_MIN "${PythonLibs_FIND_VERSION_MAJOR}.${PythonLibs_FIND_VERSION_MINOR}") unset(_PYTHON_FIND_OTHER_VERSIONS) if(PythonLibs_FIND_VERSION_EXACT) if(_PYTHON_FIND_MAJ_MIN STREQUAL PythonLibs_FIND_VERSION) @@ -52,16 +87,15 @@ if(PythonLibs_FIND_VERSION) set(_PYTHON_FIND_OTHER_VERSIONS "${PythonLibs_FIND_VERSION}" "${_PYTHON_FIND_MAJ_MIN}") endif() else() - foreach(_PYTHON_V ${_PYTHON${_PYTHON_FIND_MAJ}_VERSIONS}) + foreach(_PYTHON_V ${_PYTHON${PythonLibs_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() - set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonLibs_FIND_VERSION}_VERSIONS}) + set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonLibs_FIND_VERSION_MAJOR}_VERSIONS}) endif() else() set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS}) @@ -69,10 +103,14 @@ endif() # 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} - ) +# If FindPythonInterp has already found the major and minor version, +# insert that version between the user supplied versions and the stock +# version list. +set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS}) +if(DEFINED PYTHON_VERSION_MAJOR AND DEFINED PYTHON_VERSION_MINOR) + list(APPEND _Python_VERSIONS ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}) +endif() +list(APPEND _Python_VERSIONS ${_PYTHON_FIND_OTHER_VERSIONS}) unset(_PYTHON_FIND_OTHER_VERSIONS) unset(_PYTHON1_VERSIONS) @@ -84,6 +122,7 @@ foreach(_CURRENT_VERSION ${_Python_VERSIONS}) if(WIN32) find_library(PYTHON_DEBUG_LIBRARY NAMES python${_CURRENT_VERSION_NO_DOTS}_d python + HINTS ${_Python_LIBRARY_PATH_HINT} PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug @@ -92,14 +131,24 @@ foreach(_CURRENT_VERSION ${_Python_VERSIONS}) ) endif() + set(PYTHON_FRAMEWORK_LIBRARIES) + if(Python_FRAMEWORKS AND NOT PYTHON_LIBRARY) + foreach(dir ${Python_FRAMEWORKS}) + list(APPEND PYTHON_FRAMEWORK_LIBRARIES + ${dir}/Versions/${_CURRENT_VERSION}/lib) + endforeach() + endif() find_library(PYTHON_LIBRARY NAMES - python${_CURRENT_VERSION_NO_DOTS} - python${_CURRENT_VERSION}mu - python${_CURRENT_VERSION}m - python${_CURRENT_VERSION}u - python${_CURRENT_VERSION} + python${_CURRENT_VERSION_NO_DOTS} + python${_CURRENT_VERSION}mu + python${_CURRENT_VERSION}m + python${_CURRENT_VERSION}u + python${_CURRENT_VERSION} + HINTS + ${_Python_LIBRARY_PATH_HINT} PATHS + ${PYTHON_FRAMEWORK_LIBRARIES} [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs # Avoid finding the .dll in the PATH. We want the .lib. @@ -114,33 +163,49 @@ foreach(_CURRENT_VERSION ${_Python_VERSIONS}) PATH_SUFFIXES python${_CURRENT_VERSION}/config ) - # For backward compatibility, honour value of PYTHON_INCLUDE_PATH, if - # PYTHON_INCLUDE_DIR is not set. - if(DEFINED PYTHON_INCLUDE_PATH AND NOT DEFINED PYTHON_INCLUDE_DIR) - set(PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_PATH}" CACHE PATH - "Path to where Python.h is found" FORCE) - endif() - - set(PYTHON_FRAMEWORK_INCLUDES) - if(Python_FRAMEWORKS AND NOT PYTHON_INCLUDE_DIR) - foreach(dir ${Python_FRAMEWORKS}) - set(PYTHON_FRAMEWORK_INCLUDES ${PYTHON_FRAMEWORK_INCLUDES} - ${dir}/Versions/${_CURRENT_VERSION}/include/python${_CURRENT_VERSION}) + # Don't search for include dir until library location is known + if(PYTHON_LIBRARY) + + # Use the library's install prefix as a hint + set(_Python_INCLUDE_PATH_HINT) + # PYTHON_LIBRARY may contain a list because of SelectLibraryConfigurations + # which may have been run previously. If it is the case, the list can be: + # optimized;<FILEPATH_TO_RELEASE_LIBRARY>;debug;<FILEPATH_TO_DEBUG_LIBRARY> + foreach(lib ${PYTHON_LIBRARY} ${PYTHON_DEBUG_LIBRARY}) + if(IS_ABSOLUTE "${lib}") + get_filename_component(_Python_PREFIX "${lib}" PATH) + get_filename_component(_Python_PREFIX "${_Python_PREFIX}" PATH) + if(_Python_PREFIX) + list(APPEND _Python_INCLUDE_PATH_HINT ${_Python_PREFIX}/include) + endif() + unset(_Python_PREFIX) + endif() endforeach() - endif() - find_path(PYTHON_INCLUDE_DIR - NAMES Python.h - PATHS - ${PYTHON_FRAMEWORK_INCLUDES} - [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include - [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include - PATH_SUFFIXES - python${_CURRENT_VERSION}mu - python${_CURRENT_VERSION}m - python${_CURRENT_VERSION}u - python${_CURRENT_VERSION} - ) + # Add framework directories to the search paths + set(PYTHON_FRAMEWORK_INCLUDES) + if(Python_FRAMEWORKS AND NOT PYTHON_INCLUDE_DIR) + foreach(dir ${Python_FRAMEWORKS}) + list(APPEND PYTHON_FRAMEWORK_INCLUDES + ${dir}/Versions/${_CURRENT_VERSION}/include) + endforeach() + endif() + + find_path(PYTHON_INCLUDE_DIR + NAMES Python.h + HINTS + ${_Python_INCLUDE_PATH_HINT} + PATHS + ${PYTHON_FRAMEWORK_INCLUDES} + [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include + [HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include + PATH_SUFFIXES + python${_CURRENT_VERSION}mu + python${_CURRENT_VERSION}m + python${_CURRENT_VERSION}u + python${_CURRENT_VERSION} + ) + endif() # For backward compatibility, set PYTHON_INCLUDE_PATH. set(PYTHON_INCLUDE_PATH "${PYTHON_INCLUDE_DIR}") @@ -158,6 +223,9 @@ foreach(_CURRENT_VERSION ${_Python_VERSIONS}) endif() endforeach() +unset(_Python_INCLUDE_PATH_HINT) +unset(_Python_LIBRARY_PATH_HINT) + mark_as_advanced( PYTHON_DEBUG_LIBRARY PYTHON_LIBRARY @@ -182,6 +250,14 @@ SELECT_LIBRARY_CONFIGURATIONS(PYTHON) # for historical reasons. unset(PYTHON_FOUND) +# Restore CMAKE_FIND_FRAMEWORK +if(DEFINED _PythonLibs_CMAKE_FIND_FRAMEWORK) + set(CMAKE_FIND_FRAMEWORK ${_PythonLibs_CMAKE_FIND_FRAMEWORK}) + unset(_PythonLibs_CMAKE_FIND_FRAMEWORK) +else() + unset(CMAKE_FIND_FRAMEWORK) +endif() + include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonLibs REQUIRED_VARS PYTHON_LIBRARIES PYTHON_INCLUDE_DIRS |