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#[=======================================================================[.rst
FindPython
----------
FindModule for Python import libraries and header on Windows
.. versionchanged:: 3.0
Updated FindModule to CMake standards
Imported Targets
^^^^^^^^^^^^^^^^
.. versionadded:: 2.0
This module defines the :prop_tgt:`IMPORTED` target ``Python::Python``.
Result Variables
^^^^^^^^^^^^^^^^
This module sets the following variables:
``Python_FOUND``
True, if all required components and the core library were found.
``Python_VERSION``
Detected version of found Python libraries.
``Python_INCLUDE_DIRS``
Include directories needed for Python.
``Python_LIBRARIES``
Libraries needed to link to Python.
Cache variables
^^^^^^^^^^^^^^^
The following cache variables may also be set:
``Python_LIBRARY``
Path to the library component of Python.
``Python_INCLUDE_DIR``
Directory containing ``python.h``.
#]=======================================================================]
# cmake-format: off
# cmake-lint: disable=C0103
# cmake-lint: disable=C0301
# cmake-format: on
include(FindPackageHandleStandardArgs)
find_path(
Python_INCLUDE_DIR
NAMES Python.h
PATH_SUFFIXES include include/python
DOC "Python include directory")
find_library(
Python_LIBRARY
NAMES python3
PATHS lib
DOC "Python location")
if(EXISTS "${Python_INCLUDE_DIR}/patchlevel.h")
file(STRINGS "${Python_INCLUDE_DIR}/patchlevel.h" _VERSION_STRING REGEX "^.*PY_VERSION[ \t]+\"[0-9\\.]+\"[ \t]*$")
string(REGEX REPLACE ".*PY_VERSION[ \t]+\"([0-9\\.]+)\".*" "\\1" Python_VERSION "${_VERSION_STRING}")
else()
if(NOT Python_FIND_QUIETLY)
message(AUTHOR_WARNING "Failed to find Python version.")
endif()
set(Python_VERSION 0.0.0)
endif()
find_package_handle_standard_args(
Python
REQUIRED_VARS Python_LIBRARY Python_INCLUDE_DIR
VERSION_VAR Python_VERSION HANDLE_VERSION_RANGE REASON_FAILURE_MESSAGE
"Ensure that obs-deps is provided as part of CMAKE_PREFIX_PATH.")
mark_as_advanced(Python_INCLUDE_DIR Python_LIBRARY)
if(Python_FOUND)
set(Python_INCLUDE_DIRS ${Python_INCLUDE_DIR})
set(Python_LIBRARIES ${Python_LIBRARY})
set(Python_DEFINITIONS ${PC_Python_CFLAGS_OTHER})
if(NOT TARGET Python::Python)
if(IS_ABSOLUTE "${Python_LIBRARY}")
add_library(Python::Python UNKNOWN IMPORTED)
set_property(TARGET Python::Python PROPERTY IMPORTED_LOCATION "${Python_LIBRARY}")
else()
add_library(Python::Python INTERFACE IMPORTED)
set_property(TARGET Python::Python PROPERTY IMPORTED_LIBNAME "${Python_LIBRARY}")
endif()
set_target_properties(Python::Python PROPERTIES INTERFACE_INCLUDE_DIRECTORIES "${Python_INCLUDE_DIR}"
VERSION ${Python_VERSION})
endif()
endif()
include(FeatureSummary)
set_package_properties(
Python PROPERTIES
URL "https://www.python.org"
DESCRIPTION
"Python is a programming language that lets you work more quickly and integrate your systems more effectively.")
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