mirror of https://github.com/opencv/opencv.git
Open Source Computer Vision Library
https://opencv.org/
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113 lines
5.3 KiB
113 lines
5.3 KiB
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 ${Python_ADDITIONAL_VERSIONS} 2.7 "${MIN_VER_PYTHON}") |
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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 2.7) |
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if(NOT PYTHONINTERP_FOUND) |
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find_host_package(PythonInterp "${MIN_VER_PYTHON}") |
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endif() |
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unset(HAVE_SPHINX CACHE) |
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if(PYTHONINTERP_FOUND) |
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set(PYTHON_VERSION_MAJOR_MINOR "${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}") |
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if(NOT ANDROID AND NOT IOS) |
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ocv_check_environment_variables(PYTHON_LIBRARY PYTHON_INCLUDE_DIR) |
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# not using PYTHON_VERSION_STRING here, because it might not conform to the CMake version format |
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find_host_package(PythonLibs "${PYTHON_VERSION_MAJOR_MINOR}.${PYTHON_VERSION_PATCH}" EXACT) |
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endif() |
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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 "${_PYTHON_PACKAGES_PATH}" CACHE PATH "Where to install the python packages.") |
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if(NOT PYTHON_NUMPY_INCLUDE_DIRS) |
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if(CMAKE_CROSSCOMPILING) |
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message(STATUS "Cannot probe for Python/Numpy support (because we are cross-compiling OpenCV)") |
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message(STATUS "If you want to enable Python/Numpy support, set the following variables:") |
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message(STATUS " PYTHON_INCLUDE_PATH") |
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message(STATUS " PYTHON_LIBRARIES") |
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message(STATUS " PYTHON_NUMPY_INCLUDE_DIRS") |
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else() |
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# Attempt to discover the NumPy include directory. If this succeeds, then build python API with NumPy |
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "import os; os.environ['DISTUTILS_USE_SDK']='1'; import numpy.distutils; print(os.pathsep.join(numpy.distutils.misc_util.get_numpy_include_dirs()))" |
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RESULT_VARIABLE PYTHON_NUMPY_PROCESS |
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OUTPUT_VARIABLE PYTHON_NUMPY_INCLUDE_DIRS |
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OUTPUT_STRIP_TRAILING_WHITESPACE) |
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if(NOT PYTHON_NUMPY_PROCESS EQUAL 0) |
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unset(PYTHON_NUMPY_INCLUDE_DIRS) |
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endif() |
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endif() |
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endif() |
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if(PYTHON_NUMPY_INCLUDE_DIRS) |
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file(TO_CMAKE_PATH "${PYTHON_NUMPY_INCLUDE_DIRS}" _PYTHON_NUMPY_INCLUDE_DIRS) |
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set(PYTHON_NUMPY_INCLUDE_DIRS ${_PYTHON_NUMPY_INCLUDE_DIRS} CACHE PATH "Path to numpy headers") |
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if(CMAKE_CROSSCOMPILING) |
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if(NOT PYTHON_NUMPY_VERSION) |
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set(PYTHON_NUMPY_VERSION "undefined - cannot be probed because of the cross-compilation") |
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endif() |
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else() |
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execute_process(COMMAND "${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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endif() |
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if(BUILD_DOCS) |
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find_host_program(SPHINX_BUILD sphinx-build) |
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find_host_program(PLANTUML plantuml) |
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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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