forked from OSchip/llvm-project
69 lines
2.6 KiB
CMake
69 lines
2.6 KiB
CMake
#.rst:
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# FindPythonAndSwig
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# -----------
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#
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# Find the python interpreter and libraries as a whole.
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macro(FindPython3)
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# Use PYTHON_HOME as a hint to find Python 3.
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set(Python3_ROOT_DIR "${PYTHON_HOME}")
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find_package(Python3 COMPONENTS Interpreter Development)
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if(Python3_FOUND AND Python3_Interpreter_FOUND)
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# The install name for the Python 3 framework in Xcode is relative to
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# the framework's location and not the dylib itself.
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#
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# @rpath/Python3.framework/Versions/3.x/Python3
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#
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# This means that we need to compute the path to the Python3.framework
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# and use that as the RPATH instead of the usual dylib's directory.
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#
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# The check below shouldn't match Homebrew's Python framework as it is
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# called Python.framework instead of Python3.framework.
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if (APPLE AND Python3_LIBRARIES MATCHES "Python3.framework")
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string(FIND "${Python3_LIBRARIES}" "Python3.framework" python_framework_pos)
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string(SUBSTRING "${Python3_LIBRARIES}" "0" ${python_framework_pos} Python3_RPATH)
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endif()
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set(PYTHON3_FOUND TRUE)
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mark_as_advanced(
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Python3_LIBRARIES
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Python3_INCLUDE_DIRS
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Python3_EXECUTABLE
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Python3_RPATH
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SWIG_EXECUTABLE)
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endif()
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endmacro()
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if(Python3_LIBRARIES AND Python3_INCLUDE_DIRS AND Python3_EXECUTABLE AND SWIG_EXECUTABLE)
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set(PYTHONANDSWIG_FOUND TRUE)
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else()
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find_package(SWIG 3.0)
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if (SWIG_FOUND)
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FindPython3()
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else()
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message(STATUS "SWIG 3 or later is required for Python support in LLDB but could not be found")
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endif()
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get_property(MULTI_CONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if ("${Python3_VERSION}" VERSION_GREATER_EQUAL "3.7" AND
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"${SWIG_VERSION}" VERSION_LESS "4.0" AND WIN32 AND (
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${MULTI_CONFIG} OR (uppercase_CMAKE_BUILD_TYPE STREQUAL "DEBUG")))
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# Technically this can happen with non-Windows builds too, but we are not
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# able to detect whether Python was built with assertions, and only Windows
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# has the requirement that Debug LLDB must use Debug Python.
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message(WARNING "Debug builds of LLDB are likely to be unusable due to "
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"<https://github.com/swig/swig/issues/1321>. Please use SWIG >= 4.0.")
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(PythonAndSwig
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FOUND_VAR
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PYTHONANDSWIG_FOUND
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REQUIRED_VARS
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Python3_LIBRARIES
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Python3_INCLUDE_DIRS
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Python3_EXECUTABLE
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SWIG_EXECUTABLE)
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endif()
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