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# - Try to find Python include dirs and libraries
#
# Usage of this module as follows:
#
# find_package(PythonDev)
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# PYTHON_EXECUTABLE If this is set to a path to a Python interpreter
# then this module attempts to infer the path to
# python-config from it
# PYTHON_CONFIG Set this variable to the location of python-config
# if the module has problems finding the proper
# installation path.
#
# Variables defined by this module:
#
# PYTHONDEV_FOUND System has Python dev headers/libraries
# PYTHON_INCLUDE_DIR The Python include directories.
# PYTHON_LIBRARIES The Python libraries and linker flags.
include(FindPackageHandleStandardArgs)
if ( CMAKE_CROSSCOMPILING )
find_package(PythonLibs)
if (PYTHON_INCLUDE_PATH AND NOT PYTHON_INCLUDE_DIR)
set(PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_PATH}")
endif ()
find_package_handle_standard_args(PythonDev DEFAULT_MSG
PYTHON_INCLUDE_DIR
PYTHON_LIBRARIES
)
return()
endif ()
if (PYTHON_EXECUTABLE)
# Get the real path so that we can reliably find the correct python-config
# (e.g. some systems may have a "python" symlink, but not a "python-config"
# symlink).
get_filename_component(PYTHON_EXECUTABLE "${PYTHON_EXECUTABLE}" REALPATH)
endif ()
if (PYTHON_EXECUTABLE AND EXISTS ${PYTHON_EXECUTABLE}-config)
set(PYTHON_CONFIG ${PYTHON_EXECUTABLE}-config CACHE PATH "" FORCE)
else ()
find_program(PYTHON_CONFIG
NAMES python-config python-config2.7 python-config2.6 python-config2.6
python-config2.4 python-config2.3)
endif ()
# The OpenBSD python packages have python-config's that don't reliably
# report linking flags that will work.
if (PYTHON_CONFIG AND NOT ${CMAKE_SYSTEM_NAME} STREQUAL "OpenBSD")
execute_process(COMMAND "${PYTHON_CONFIG}" --ldflags
OUTPUT_VARIABLE PYTHON_LIBRARIES
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
string(STRIP "${PYTHON_LIBRARIES}" PYTHON_LIBRARIES)
execute_process(COMMAND "${PYTHON_CONFIG}" --includes
OUTPUT_VARIABLE PYTHON_INCLUDE_DIR
OUTPUT_STRIP_TRAILING_WHITESPACE
ERROR_QUIET)
string(REGEX REPLACE "^[-I]" "" PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_DIR}")
string(REGEX REPLACE "[ ]-I" " " PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_DIR}")
separate_arguments(PYTHON_INCLUDE_DIR)
find_package_handle_standard_args(PythonDev DEFAULT_MSG
PYTHON_CONFIG
PYTHON_INCLUDE_DIR
PYTHON_LIBRARIES
)
else ()
find_package(PythonLibs)
if (PYTHON_INCLUDE_PATH AND NOT PYTHON_INCLUDE_DIR)
set(PYTHON_INCLUDE_DIR "${PYTHON_INCLUDE_PATH}")
endif ()
find_package_handle_standard_args(PythonDev DEFAULT_MSG
PYTHON_INCLUDE_DIR
PYTHON_LIBRARIES
)
endif ()
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