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# - 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:
#
# 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
# PYTHON_VERSION - python version string e.g. 2.7.1
# PYTHON_MAJOR_VERSION - python major version number
# PYTHON_MINOR_VERSION - python minor version number
# PYTHON_MICRO_VERSION - python release version number
#
# This code uses the following variables:
# Python_ADDITIONAL_VERSIONS - list of additional Python versions to search for
#=============================================================================
# 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.)
INCLUDE(CMakeFindFrameworks)
# Search for the python framework on Apple.
CMAKE_FIND_FRAMEWORKS(Python)
set(_PythonInterp_VERSION)
if(PYTHONINTERP_FOUND)
set(_PythonInterp_VERSION ${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR})
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} ${_PythonInterp_VERSION}
2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5)
FOREACH(_CURRENT_VERSION ${_Python_VERSIONS})
STRING(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
IF(WIN32)
FIND_LIBRARY(PYTHON_DEBUG_LIBRARY
NAMES python${_CURRENT_VERSION_NO_DOTS}_d python
PATHS
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs/Debug
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs )
ENDIF()
FIND_LIBRARY(PYTHON_LIBRARY
NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
PATHS
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
# Avoid finding the .dll in the PATH. We want the .lib.
NO_SYSTEM_ENVIRONMENT_PATH
)
# Look for the static library in the Python config directory
FIND_LIBRARY(PYTHON_LIBRARY
NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
# Avoid finding the .dll in the PATH. We want the .lib.
NO_SYSTEM_ENVIRONMENT_PATH
# This is where the static library is usually located
PATH_SUFFIXES python${_CURRENT_VERSION}/config
)
# Only look for include directory if library was found, this ensures
# that version will be matched between include dir and library
IF(PYTHON_LIBRARY)
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})
ENDFOREACH()
ENDIF()
# Search frameworks and registry locations first
FIND_PATH(PYTHON_INCLUDE_DIR
NAMES Python.h
PATHS
${PYTHON_FRAMEWORK_INCLUDES}
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include
NO_DEFAULT_PATH
)
# Broaden to default paths as a second step (mainly for UNIX)
FIND_PATH(PYTHON_INCLUDE_DIR
NAMES Python.h
PATH_SUFFIXES
python${_CURRENT_VERSION}
)
ENDIF()
# For backward compatibility, set PYTHON_INCLUDE_PATH
SET(PYTHON_INCLUDE_PATH "${PYTHON_INCLUDE_DIR}")
ENDFOREACH()
MARK_AS_ADVANCED(
PYTHON_DEBUG_LIBRARY
PYTHON_LIBRARY
PYTHON_INCLUDE_DIR
)
# look in PYTHON_INCLUDE_DIR for patchlevel.h, which contains the
# version number macros in all versions of python from 1.5 through
# at least version 3.2, and set these vars: PYTHON_VERSION,
# PYTHON_MAJOR_VERSION, PYTHON_MINOR_VERSION, PYTHON_MICRO_VERSION.
IF(PYTHON_INCLUDE_DIR)
SET(_VERSION_REGEX
"^#define[ \t]+PY([A-Z_]*_VERSION)[ \t]+[\"]*([[0-9A-Za-z\\.]+)[\"]*[ \t]*$")
FILE(STRINGS "${PYTHON_INCLUDE_DIR}/patchlevel.h" _VERSION_STRINGS
LIMIT_COUNT 10 REGEX ${_VERSION_REGEX})
FOREACH(_VERSION_STRING ${_VERSION_STRINGS})
STRING(REGEX REPLACE ${_VERSION_REGEX} "PYTHON\\1"
_VERSION_VARIABLE "${_VERSION_STRING}")
STRING(REGEX REPLACE ${_VERSION_REGEX} "\\2"
_VERSION_NUMBER "${_VERSION_STRING}")
SET(${_VERSION_VARIABLE} ${_VERSION_NUMBER})
ENDFOREACH()
ENDIF()
# We use PYTHON_INCLUDE_DIR, PYTHON_LIBRARY and PYTHON_DEBUG_LIBRARY for the
# cache entries because they are meant to specify the location of a single
# library. We now set the variables listed by the documentation for this
# module.
SET(PYTHON_INCLUDE_DIRS "${PYTHON_INCLUDE_DIR}")
SET(PYTHON_LIBRARIES "${PYTHON_LIBRARY}")
SET(PYTHON_DEBUG_LIBRARIES "${PYTHON_DEBUG_LIBRARY}")
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonLibs DEFAULT_MSG PYTHON_LIBRARIES PYTHON_INCLUDE_DIRS)
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