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9db3116226
Ancient versions of CMake required else(), endif(), and similar block
termination commands to have arguments matching the command starting the
block. This is no longer the preferred style.
Run the following shell code:
for c in else endif endforeach endfunction endmacro endwhile; do
echo 's/\b'"$c"'\(\s*\)(.\+)/'"$c"'\1()/'
done >convert.sed &&
git ls-files -z -- bootstrap '*.cmake' '*.cmake.in' '*CMakeLists.txt' |
egrep -z -v '^(Utilities/cm|Source/kwsys/)' |
egrep -z -v 'Tests/CMakeTests/While-Endwhile-' |
xargs -0 sed -i -f convert.sed &&
rm convert.sed
142 lines
6.1 KiB
CMake
142 lines
6.1 KiB
CMake
# - Find python interpreter
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# This module finds if Python interpreter is installed and determines where the
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# executables are. This code sets the following variables:
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#
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# PYTHONINTERP_FOUND - Was the Python executable found
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# PYTHON_EXECUTABLE - path to the Python interpreter
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#
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# PYTHON_VERSION_STRING - Python version found e.g. 2.5.2
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# PYTHON_VERSION_MAJOR - Python major version found e.g. 2
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# PYTHON_VERSION_MINOR - Python minor version found e.g. 5
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# PYTHON_VERSION_PATCH - Python patch version found e.g. 2
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#
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# The Python_ADDITIONAL_VERSIONS variable can be used to specify a list of
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# version numbers that should be taken into account when searching for Python.
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# You need to set this variable before calling find_package(PythonInterp).
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#=============================================================================
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# Copyright 2005-2010 Kitware, Inc.
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# Copyright 2011 Bjoern Ricks <bjoern.ricks@gmail.com>
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# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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unset(_Python_NAMES)
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set(_PYTHON1_VERSIONS 1.6 1.5)
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set(_PYTHON2_VERSIONS 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0)
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set(_PYTHON3_VERSIONS 3.3 3.2 3.1 3.0)
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if(PythonInterp_FIND_VERSION)
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if(PythonInterp_FIND_VERSION MATCHES "^[0-9]+\\.[0-9]+(\\.[0-9]+.*)?$")
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string(REGEX REPLACE "^([0-9]+\\.[0-9]+).*" "\\1" _PYTHON_FIND_MAJ_MIN "${PythonInterp_FIND_VERSION}")
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string(REGEX REPLACE "^([0-9]+).*" "\\1" _PYTHON_FIND_MAJ "${_PYTHON_FIND_MAJ_MIN}")
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list(APPEND _Python_NAMES python${_PYTHON_FIND_MAJ_MIN} python${_PYTHON_FIND_MAJ})
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unset(_PYTHON_FIND_OTHER_VERSIONS)
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if(NOT PythonInterp_FIND_VERSION_EXACT)
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foreach(_PYTHON_V ${_PYTHON${_PYTHON_FIND_MAJ}_VERSIONS})
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if(NOT _PYTHON_V VERSION_LESS _PYTHON_FIND_MAJ_MIN)
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list(APPEND _PYTHON_FIND_OTHER_VERSIONS ${_PYTHON_V})
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endif()
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endforeach()
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endif()
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unset(_PYTHON_FIND_MAJ_MIN)
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unset(_PYTHON_FIND_MAJ)
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else()
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list(APPEND _Python_NAMES python${PythonInterp_FIND_VERSION})
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set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON${PythonInterp_FIND_VERSION}_VERSIONS})
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endif()
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else()
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set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS})
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endif()
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list(APPEND _Python_NAMES python)
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# Search for the current active python version first
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find_program(PYTHON_EXECUTABLE NAMES ${_Python_NAMES})
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# Set up the versions we know about, in the order we will search. Always add
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# the user supplied additional versions to the front.
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set(_Python_VERSIONS
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${Python_ADDITIONAL_VERSIONS}
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${_PYTHON_FIND_OTHER_VERSIONS}
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)
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unset(_PYTHON_FIND_OTHER_VERSIONS)
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unset(_PYTHON1_VERSIONS)
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unset(_PYTHON2_VERSIONS)
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unset(_PYTHON3_VERSIONS)
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# Search for newest python version if python executable isn't found
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if(NOT PYTHON_EXECUTABLE)
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foreach(_CURRENT_VERSION ${_Python_VERSIONS})
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set(_Python_NAMES python${_CURRENT_VERSION})
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if(WIN32)
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list(APPEND _Python_NAMES python)
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endif()
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find_program(PYTHON_EXECUTABLE
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NAMES ${_Python_NAMES}
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PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath]
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)
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endforeach()
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endif()
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# determine python version string
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if(PYTHON_EXECUTABLE)
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c
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"import sys; sys.stdout.write(';'.join([str(x) for x in sys.version_info[:3]]))"
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OUTPUT_VARIABLE _VERSION
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RESULT_VARIABLE _PYTHON_VERSION_RESULT
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ERROR_QUIET)
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if(NOT _PYTHON_VERSION_RESULT)
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string(REPLACE ";" "." PYTHON_VERSION_STRING "${_VERSION}")
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list(GET _VERSION 0 PYTHON_VERSION_MAJOR)
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list(GET _VERSION 1 PYTHON_VERSION_MINOR)
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list(GET _VERSION 2 PYTHON_VERSION_PATCH)
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if(PYTHON_VERSION_PATCH EQUAL 0)
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# it's called "Python 2.7", not "2.7.0"
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string(REGEX REPLACE "\\.0$" "" PYTHON_VERSION_STRING "${PYTHON_VERSION_STRING}")
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endif()
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else()
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# sys.version predates sys.version_info, so use that
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execute_process(COMMAND "${PYTHON_EXECUTABLE}" -c "import sys; sys.stdout.write(sys.version)"
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OUTPUT_VARIABLE _VERSION
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RESULT_VARIABLE _PYTHON_VERSION_RESULT
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ERROR_QUIET)
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if(NOT _PYTHON_VERSION_RESULT)
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string(REGEX REPLACE " .*" "" PYTHON_VERSION_STRING "${_VERSION}")
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string(REGEX REPLACE "^([0-9]+)\\.[0-9]+.*" "\\1" PYTHON_VERSION_MAJOR "${PYTHON_VERSION_STRING}")
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string(REGEX REPLACE "^[0-9]+\\.([0-9])+.*" "\\1" PYTHON_VERSION_MINOR "${PYTHON_VERSION_STRING}")
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if(PYTHON_VERSION_STRING MATCHES "^[0-9]+\\.[0-9]+\\.[0-9]+.*")
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string(REGEX REPLACE "^[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" PYTHON_VERSION_PATCH "${PYTHON_VERSION_STRING}")
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else()
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set(PYTHON_VERSION_PATCH "0")
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endif()
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else()
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# sys.version was first documented for Python 1.5, so assume
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# this is older.
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set(PYTHON_VERSION_STRING "1.4")
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set(PYTHON_VERSION_MAJOR "1")
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set(PYTHON_VERSION_MAJOR "4")
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set(PYTHON_VERSION_MAJOR "0")
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endif()
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endif()
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unset(_PYTHON_VERSION_RESULT)
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unset(_VERSION)
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endif()
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# handle the QUIETLY and REQUIRED arguments and set PYTHONINTERP_FOUND to TRUE if
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# all listed variables are TRUE
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(PythonInterp REQUIRED_VARS PYTHON_EXECUTABLE VERSION_VAR PYTHON_VERSION_STRING)
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mark_as_advanced(PYTHON_EXECUTABLE)
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