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Diffstat (limited to 'src/ceph/cmake/modules/FindPython3Interp.cmake')
| -rw-r--r-- | src/ceph/cmake/modules/FindPython3Interp.cmake | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/ceph/cmake/modules/FindPython3Interp.cmake b/src/ceph/cmake/modules/FindPython3Interp.cmake new file mode 100644 index 0000000..a1d076f --- /dev/null +++ b/src/ceph/cmake/modules/FindPython3Interp.cmake @@ -0,0 +1,148 @@ +#.rst: +# FindPython3Interp +# ---------------- +# +# Find python interpreter +# +# This module finds if Python interpreter is installed and determines +# where the executables are. This code sets the following variables: +# +# :: +# +# PYTHON3INTERP_FOUND - Was the Python executable found +# PYTHON3_EXECUTABLE - path to the Python interpreter +# +# +# +# :: +# +# PYTHON3_VERSION_STRING - Python version found e.g. 2.5.2 +# PYTHON3_VERSION_MAJOR - Python major version found e.g. 2 +# PYTHON3_VERSION_MINOR - Python minor version found e.g. 5 +# PYTHON3_VERSION_PATCH - Python patch version found e.g. 2 +# +# +# +# The Python3_ADDITIONAL_VERSIONS variable can be used to specify a list +# of version numbers that should be taken into account when searching +# for Python. You need to set this variable before calling +# find_package(Python3Interp). +# +# If calling both ``find_package(Python3Interp)`` and +# ``find_package(Python3Libs)``, call ``find_package(Python3Interp)`` first to +# get the currently active Python version by default with a consistent version +# of PYTHON3_LIBRARIES. + +#============================================================================= +# Copyright 2005-2010 Kitware, Inc. +# Copyright 2011 Bjoern Ricks <bjoern.ricks@gmail.com> +# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de> +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# * Neither the names of Kitware, Inc., the Insight Software Consortium, +# nor the names of their contributors may be used to endorse or promote +# products derived from this software without specific prior written +# permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +#============================================================================= + +unset(_Python3_NAMES) + +set(_PYTHON3_VERSIONS 3.6 3.5 3.4 3.3 3.2 3.1 3.0) + +if(Python3Interp_FIND_VERSION) + if(Python3Interp_FIND_VERSION_COUNT GREATER 1) + set(_PYTHON3_FIND_MAJ_MIN "${Python3Interp_FIND_VERSION_MAJOR}.${Python3Interp_FIND_VERSION_MINOR}") + list(APPEND _Python3_NAMES + python${_PYTHON3_FIND_MAJ_MIN} + python${Python3Interp_FIND_VERSION_MAJOR}) + unset(_PYTHON3_FIND_OTHER_VERSIONS) + if(NOT Python3Interp_FIND_VERSION_EXACT) + foreach(_PYTHON3_V ${_PYTHON${Python3Interp_FIND_VERSION_MAJOR}_VERSIONS}) + if(NOT _PYTHON3_V VERSION_LESS _PYTHON3_FIND_MAJ_MIN) + list(APPEND _PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON3_V}) + endif() + endforeach() + endif() + unset(_PYTHON3_FIND_MAJ_MIN) + else() + list(APPEND _Python3_NAMES python${Python3Interp_FIND_VERSION_MAJOR}) + set(_PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON${Python3Interp_FIND_VERSION_MAJOR}_VERSIONS}) + endif() +else() + set(_PYTHON3_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS}) +endif() +find_program(PYTHON3_EXECUTABLE NAMES ${_Python3_NAMES}) + +# Set up the versions we know about, in the order we will search. Always add +# the user supplied additional versions to the front. +set(_Python3_VERSIONS ${Python3_ADDITIONAL_VERSIONS}) +# If FindPython3Interp has already found the major and minor version, +# insert that version next to get consistent versions of the interpreter and +# library. +if(DEFINED PYTHON3LIBS_VERSION_STRING) + string(REPLACE "." ";" _PYTHON3LIBS_VERSION "${PYTHON3LIBS_VERSION_STRING}") + list(GET _PYTHON3LIBS_VERSION 0 _PYTHON3LIBS_VERSION_MAJOR) + list(GET _PYTHON3LIBS_VERSION 1 _PYTHON3LIBS_VERSION_MINOR) + list(APPEND _Python3_VERSIONS ${_PYTHON3LIBS_VERSION_MAJOR}.${_PYTHON3LIBS_VERSION_MINOR}) +endif() +# Search for the current active python version first +list(APPEND _Python3_VERSIONS ";") +list(APPEND _Python3_VERSIONS ${_PYTHON3_FIND_OTHER_VERSIONS}) + +unset(_PYTHON3_FIND_OTHER_VERSIONS) +unset(_PYTHON3_VERSIONS) + +# Search for newest python version if python executable isn't found +if(NOT PYTHON3_EXECUTABLE) + foreach(_CURRENT_VERSION IN LISTS _Python3_VERSIONS) + set(_Python3_NAMES python${_CURRENT_VERSION}) + if(WIN32) + list(APPEND _Python3_NAMES python) + endif() + find_program(PYTHON3_EXECUTABLE + NAMES ${_Python3_NAMES} + PATHS [HKEY_LOCAL_MACHINE\\SOFTWARE\\Python\\PythonCore\\${_CURRENT_VERSION}\\InstallPath] + ) + endforeach() +endif() + +# determine python version string +if(PYTHON3_EXECUTABLE) + execute_process(COMMAND "${PYTHON3_EXECUTABLE}" -c + "import sys; sys.stdout.write(';'.join([str(x) for x in sys.version_info[:3]]))" + OUTPUT_VARIABLE _VERSION) + string(REPLACE ";" "." PYTHON3_VERSION_STRING "${_VERSION}") + list(GET _VERSION 0 PYTHON3_VERSION_MAJOR) + list(GET _VERSION 1 PYTHON3_VERSION_MINOR) + list(GET _VERSION 2 PYTHON3_VERSION_PATCH) + unset(_VERSION) +endif() + +# handle the QUIETLY and REQUIRED arguments and set PYTHON3INTERP_FOUND to TRUE if +# all listed variables are TRUE +include(FindPackageHandleStandardArgs) +FIND_PACKAGE_HANDLE_STANDARD_ARGS(Python3Interp REQUIRED_VARS PYTHON3_EXECUTABLE VERSION_VAR PYTHON3_VERSION_STRING) + +mark_as_advanced(PYTHON3_EXECUTABLE) |