137 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
		
			6.2 KiB
		
	
	
	
		
			CMake
		
	
	
	
	
	
| if(WIN32 AND NOT PYTHON_EXECUTABLE)
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|   # search for executable with the same bitness as resulting binaries
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|   # standard FindPythonInterp always prefers executable from system path
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|   # this is really important because we are using the interpreter for numpy search and for choosing the install location
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|   foreach(_CURRENT_VERSION ${Python_ADDITIONAL_VERSIONS} 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
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|     find_host_program(PYTHON_EXECUTABLE
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|       NAMES python${_CURRENT_VERSION} python
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|       PATHS
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|         [HKEY_LOCAL_MACHINE\\\\SOFTWARE\\\\Python\\\\PythonCore\\\\${_CURRENT_VERSION}\\\\InstallPath]
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|         [HKEY_CURRENT_USER\\\\SOFTWARE\\\\Python\\\\PythonCore\\\\${_CURRENT_VERSION}\\\\InstallPath]
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|       NO_SYSTEM_ENVIRONMENT_PATH
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|     )
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|   endforeach()
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| endif()
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| find_host_package(PythonInterp 2.0)
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| 
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| unset(PYTHON_USE_NUMPY CACHE)
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| unset(HAVE_SPHINX CACHE)
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| if(PYTHON_EXECUTABLE)
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|   if(PYTHON_VERSION_STRING)
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|     set(PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
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|     set(PYTHON_VERSION_FULL "${PYTHON_VERSION_STRING}")
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|   else()
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|     execute_process(COMMAND ${PYTHON_EXECUTABLE} --version
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|       ERROR_VARIABLE PYTHON_VERSION_FULL
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|       ERROR_STRIP_TRAILING_WHITESPACE)
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| 
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|     string(REGEX MATCH "[0-9]+.[0-9]+" PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_FULL}")
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|   endif()
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| 
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|   if("${PYTHON_VERSION_FULL}" MATCHES "[0-9]+.[0-9]+.[0-9]+")
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|     set(PYTHON_VERSION_FULL "${CMAKE_MATCH_0}")
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|   elseif("${PYTHON_VERSION_FULL}" MATCHES "[0-9]+.[0-9]+")
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|     set(PYTHON_VERSION_FULL "${CMAKE_MATCH_0}")
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|   else()
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|     unset(PYTHON_VERSION_FULL)
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|   endif()
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| 
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|   if(NOT ANDROID AND NOT IOS)
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|     ocv_check_environment_variables(PYTHON_LIBRARY PYTHON_INCLUDE_DIR)
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|     if(CMAKE_CROSSCOMPILING)
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|       find_package(PythonLibs ${PYTHON_VERSION_MAJOR_MINOR})
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|     elseif(CMAKE_VERSION VERSION_GREATER 2.8.8 AND PYTHON_VERSION_FULL)
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|       find_package(PythonLibs ${PYTHON_VERSION_FULL} EXACT)
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|     else()
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|       find_package(PythonLibs ${PYTHON_VERSION_FULL})
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|     endif()
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|     # cmake 2.4 (at least on Ubuntu 8.04 (hardy)) don't define PYTHONLIBS_FOUND
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|     if(NOT PYTHONLIBS_FOUND AND PYTHON_INCLUDE_PATH)
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|       set(PYTHONLIBS_FOUND ON)
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|     endif()
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|   endif()
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| 
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|   if(NOT ANDROID AND NOT IOS)
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|     if(CMAKE_HOST_UNIX)
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|       execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "from distutils.sysconfig import *; print get_python_lib()"
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|                       RESULT_VARIABLE PYTHON_CVPY_PROCESS
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|                       OUTPUT_VARIABLE PYTHON_STD_PACKAGES_PATH
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|                       OUTPUT_STRIP_TRAILING_WHITESPACE)
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|       if("${PYTHON_STD_PACKAGES_PATH}" MATCHES "site-packages")
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|         set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/site-packages")
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|       else() #debian based assumed, install to the dist-packages.
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|         set(_PYTHON_PACKAGES_PATH "python${PYTHON_VERSION_MAJOR_MINOR}/dist-packages")
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|       endif()
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|       if(EXISTS "${CMAKE_INSTALL_PREFIX}/lib${LIB_SUFFIX}/${PYTHON_PACKAGES_PATH}")
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|         set(_PYTHON_PACKAGES_PATH "lib${LIB_SUFFIX}/${_PYTHON_PACKAGES_PATH}")
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|       else()
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|         set(_PYTHON_PACKAGES_PATH "lib/${_PYTHON_PACKAGES_PATH}")
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|       endif()
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|     elseif(CMAKE_HOST_WIN32)
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|       get_filename_component(PYTHON_PATH "${PYTHON_EXECUTABLE}" PATH)
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|       file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
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|       if(NOT EXISTS "${PYTHON_PATH}/Lib/site-packages")
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|         unset(PYTHON_PATH)
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|         get_filename_component(PYTHON_PATH "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${PYTHON_VERSION_MAJOR_MINOR}\\InstallPath]" ABSOLUTE)
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|         if(NOT PYTHON_PATH)
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|            get_filename_component(PYTHON_PATH "[HKEY_CURRENT_USER\\SOFTWARE\\Python\\PythonCore\\${PYTHON_VERSION_MAJOR_MINOR}\\InstallPath]" ABSOLUTE)
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|         endif()
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|         file(TO_CMAKE_PATH "${PYTHON_PATH}" PYTHON_PATH)
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|       endif()
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|       set(_PYTHON_PACKAGES_PATH "${PYTHON_PATH}/Lib/site-packages")
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|     endif()
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|     SET(PYTHON_PACKAGES_PATH "${_PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.")
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| 
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|     if(NOT PYTHON_NUMPY_INCLUDE_DIR)
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|       if(CMAKE_CROSSCOMPILING)
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|         message(STATUS "Cannot probe for Python/Numpy support (because we are cross-compiling OpenCV)")
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|         message(STATUS "If you want to enable Python/Numpy support, set the following variables:")
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|         message(STATUS "  PYTHON_INCLUDE_PATH")
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|         message(STATUS "  PYTHON_LIBRARIES")
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|         message(STATUS "  PYTHON_NUMPY_INCLUDE_DIR")
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|       else()
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|         # Attempt to discover the NumPy include directory. If this succeeds, then build python API with NumPy
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|         execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import os; os.environ['DISTUTILS_USE_SDK']='1'; import numpy.distutils; print numpy.distutils.misc_util.get_numpy_include_dirs()[0]"
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|                         RESULT_VARIABLE PYTHON_NUMPY_PROCESS
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|                         OUTPUT_VARIABLE PYTHON_NUMPY_INCLUDE_DIR
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|                         OUTPUT_STRIP_TRAILING_WHITESPACE)
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| 
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|         if(NOT PYTHON_NUMPY_PROCESS EQUAL 0)
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|           unset(PYTHON_NUMPY_INCLUDE_DIR)
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|         endif()
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|       endif()
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|     endif()
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| 
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|     if(PYTHON_NUMPY_INCLUDE_DIR)
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|       file(TO_CMAKE_PATH "${PYTHON_NUMPY_INCLUDE_DIR}" _PYTHON_NUMPY_INCLUDE_DIR)
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|       set(PYTHON_NUMPY_INCLUDE_DIR ${_PYTHON_NUMPY_INCLUDE_DIR} CACHE PATH "Path to numpy headers")
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|       set(PYTHON_USE_NUMPY TRUE)
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|       if(CMAKE_CROSSCOMPILING)
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|         if(NOT PYTHON_NUMPY_VERSION)
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|           set(PYTHON_NUMPY_VERSION "undefined - cannot be probed because of the cross-compilation")
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|         endif()
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|       else()
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|         execute_process(COMMAND ${PYTHON_EXECUTABLE} -c "import numpy; print numpy.version.version"
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|                         RESULT_VARIABLE PYTHON_NUMPY_PROCESS
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|                         OUTPUT_VARIABLE PYTHON_NUMPY_VERSION
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|                         OUTPUT_STRIP_TRAILING_WHITESPACE)
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|       endif()
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|     endif()
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|   endif(NOT ANDROID AND NOT IOS)
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| 
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|   if(BUILD_DOCS)
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|     find_host_program(SPHINX_BUILD sphinx-build)
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|     if(SPHINX_BUILD)
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|         execute_process(COMMAND "${SPHINX_BUILD}"
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|                         OUTPUT_QUIET
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|                         ERROR_VARIABLE SPHINX_OUTPUT
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|                         OUTPUT_STRIP_TRAILING_WHITESPACE)
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|         if(SPHINX_OUTPUT MATCHES "Sphinx v([0-9][^ \n]*)")
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|           set(SPHINX_VERSION "${CMAKE_MATCH_1}")
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|           set(HAVE_SPHINX 1)
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|           message(STATUS "Found Sphinx ${SPHINX_VERSION}: ${SPHINX_BUILD}")
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|         endif()
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|     endif()
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|   endif(BUILD_DOCS)
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| endif(PYTHON_EXECUTABLE)
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