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#
# $Id: FindPYTHON.cmake 30104 2009-09-23 19:40:25Z jmayer $
#
# - 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:
#
# PYTHON_FOUND = have the Python libs been found
# PYTHON_LIBRARIES = path to the python library
# PYTHON_INCLUDE_DIRS = path to where Python.h is found
#
FIND_PROGRAM(CMAKE_PYTHON_CONFIG_EXECUTABLE
NAMES
python-config
DOC
"python-config executable"
PATHS
$ENV{PYTHON}
$ENV{PYTHON}/bin
)
# check wether python-config was found:
IF(CMAKE_PYTHON_CONFIG_EXECUTABLE)
EXEC_PROGRAM(${CMAKE_PYTHON_CONFIG_EXECUTABLE}
ARGS
--includes
OUTPUT_VARIABLE
PYTHON_CONFIG_INCLUDE_DIR
)
EXEC_PROGRAM(${CMAKE_PYTHON_CONFIG_EXECUTABLE}
ARGS
--libs
OUTPUT_VARIABLE
PYTHON_CONFIG_LIBRARIES
)
string(REGEX REPLACE
"^ *-I"
""
PYTHON_CONFIG_INCLUDE_DIR
"${PYTHON_CONFIG_INCLUDE_DIR}"
)
string(REGEX REPLACE
"^ *-l"
""
PYTHON_CONFIG_LIBRARIES
"${PYTHON_CONFIG_LIBRARIES}"
)
string(REGEX REPLACE
" +-I"
";"
PYTHON_INCLUDE_DIR
"${PYTHON_CONFIG_INCLUDE_DIR}"
)
string(REGEX REPLACE
" +-l"
";"
PYTHON_LIBRARY
"${PYTHON_CONFIG_LIBRARIES}"
)
ELSE(CMAKE_PYTHON_CONFIG_EXECUTABLE)
INCLUDE(CMakeFindFrameworks)
# Search for the python framework on Apple.
CMAKE_FIND_FRAMEWORKS(Python)
FOREACH(_CURRENT_VERSION 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5)
STRING(REPLACE "." "" _CURRENT_VERSION_NO_DOTS ${_CURRENT_VERSION})
FIND_LIBRARY(PYTHON_LIBRARY
NAMES python${_CURRENT_VERSION_NO_DOTS} python${_CURRENT_VERSION}
PATHS
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/libs
PATH_SUFFIXES
python${_CURRENT_VERSION}/config
)
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(dir)
ENDIF(Python_FRAMEWORKS AND NOT PYTHON_INCLUDE_DIR)
FIND_PATH(PYTHON_INCLUDE_DIR
NAMES Python.h
PATHS
${PYTHON_FRAMEWORK_INCLUDES}
[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]/include
PATH_SUFFIXES
python${_CURRENT_VERSION}
)
ENDFOREACH(_CURRENT_VERSION)
ENDIF(CMAKE_PYTHON_CONFIG_EXECUTABLE)
# Python Should be built and installed as a Framework on OSX
IF(Python_FRAMEWORKS)
# If a framework has been selected for the include path,
# make sure "-framework" is used to link it.
IF("${PYTHON_INCLUDE_DIR}" MATCHES "Python\\.framework")
SET(PYTHON_LIBRARY "")
ENDIF("${PYTHON_INCLUDE_DIR}" MATCHES "Python\\.framework")
IF(NOT PYTHON_LIBRARY)
SET (PYTHON_LIBRARY "-framework Python" CACHE FILEPATH "Python Framework" FORCE)
ENDIF(NOT PYTHON_LIBRARY)
ENDIF(Python_FRAMEWORKS)
MARK_AS_ADVANCED(
PYTHON_LIBRARIES
PYTHON_INCLUDE_DIRS
)
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PYTHON DEFAULT_MSG PYTHON_LIBRARY PYTHON_INCLUDE_DIR)
IF(PYTHON_FOUND)
SET( PYTHON_LIBRARIES ${PYTHON_LIBRARY} )
SET( PYTHON_INCLUDE_DIRS ${PYTHON_INCLUDE_DIR} )
ELSE(PYTHON_FOUND)
SET( PYTHON_LIBRARIES )
SET( PYTHON_INCLUDE_DIRS )
ENDIF(PYTHON_FOUND)
# PYTHON_ADD_MODULE(<name> src1 src2 ... srcN) is used to build modules for python.
# PYTHON_WRITE_MODULES_HEADER(<filename>) writes a header file you can include
# in your sources to initialize the static python modules
GET_PROPERTY(_TARGET_SUPPORTS_SHARED_LIBS
GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS)
FUNCTION(PYTHON_ADD_MODULE _NAME )
OPTION(PYTHON_ENABLE_MODULE_${_NAME} "Add module ${_NAME}" TRUE)
OPTION(PYTHON_MODULE_${_NAME}_BUILD_SHARED "Add module ${_NAME} shared" ${_TARGET_SUPPORTS_SHARED_LIBS})
IF(PYTHON_ENABLE_MODULE_${_NAME})
IF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
SET(PY_MODULE_TYPE MODULE)
ELSE(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
SET(PY_MODULE_TYPE STATIC)
SET_PROPERTY(GLOBAL APPEND PROPERTY PY_STATIC_MODULES_LIST ${_NAME})
ENDIF(PYTHON_MODULE_${_NAME}_BUILD_SHARED)
SET_PROPERTY(GLOBAL APPEND PROPERTY PY_MODULES_LIST ${_NAME})
ADD_LIBRARY(${_NAME} ${PY_MODULE_TYPE} ${ARGN})
# TARGET_LINK_LIBRARIES(${_NAME} ${PYTHON_LIBRARIES})
ENDIF(PYTHON_ENABLE_MODULE_${_NAME})
ENDFUNCTION(PYTHON_ADD_MODULE)
FUNCTION(PYTHON_WRITE_MODULES_HEADER _filename)
GET_PROPERTY(PY_STATIC_MODULES_LIST GLOBAL PROPERTY PY_STATIC_MODULES_LIST)
GET_FILENAME_COMPONENT(_name "${_filename}" NAME)
STRING(REPLACE "." "_" _name "${_name}")
STRING(TOUPPER ${_name} _name)
SET(_filenameTmp "${_filename}.in")
FILE(WRITE ${_filenameTmp} "/*Created by cmake, do not edit, changes will be lost*/\n")
FILE(APPEND ${_filenameTmp}
"#ifndef ${_name}
#define ${_name}
#include <Python.h>
#ifdef __cplusplus
extern \"C\" {
#endif /* __cplusplus */
")
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp} "extern void init${PYTHON_MODULE_PREFIX}${_currentModule}(void);\n\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp}
"#ifdef __cplusplus
}
#endif /* __cplusplus */
")
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp} "int CMakeLoadPythonModule_${_currentModule}(void) \n{\n static char name[]=\"${PYTHON_MODULE_PREFIX}${_currentModule}\"; return PyImport_AppendInittab(name, init${PYTHON_MODULE_PREFIX}${_currentModule});\n}\n\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp} "#ifndef EXCLUDE_LOAD_ALL_FUNCTION\nvoid CMakeLoadAllPythonModules(void)\n{\n")
FOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp} " CMakeLoadPythonModule_${_currentModule}();\n")
ENDFOREACH(_currentModule ${PY_STATIC_MODULES_LIST})
FILE(APPEND ${_filenameTmp} "}\n#endif\n\n#endif\n")
# with CONFIGURE_FILE() cmake complains that you may not use a file created using FILE(WRITE) as input file for CONFIGURE_FILE()
EXECUTE_PROCESS(COMMAND ${CMAKE_COMMAND} -E copy_if_different "${_filenameTmp}" "${_filename}" OUTPUT_QUIET ERROR_QUIET)
ENDFUNCTION(PYTHON_WRITE_MODULES_HEADER)
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