From d1795002956f8da746077fffb1c2aa0262063db2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Bj=C3=B6rn=20Ricks?= Date: Fri, 5 Aug 2011 09:53:39 +0200 Subject: [PATCH] Update documentation of FindPythonInterp.cmake Document new variables and update also comments in cmake code to explain the current behaviour of FindPythonInterp.cmake module --- Modules/FindPythonInterp.cmake | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/Modules/FindPythonInterp.cmake b/Modules/FindPythonInterp.cmake index 934602d4f..7acf7be7e 100644 --- a/Modules/FindPythonInterp.cmake +++ b/Modules/FindPythonInterp.cmake @@ -4,11 +4,17 @@ # # PYTHONINTERP_FOUND - Was the Python executable found # PYTHON_EXECUTABLE - path to the Python interpreter -# Python_ADDITIONAL_VERSIONS - list of additional Python versions to search for # +# PYTHON_VERSION_STRING - Python version found e.g. 2.5.2 +# PYTHON_VERSION_MAJOR - Python major version found e.g. 2 +# PYTHON_VERSION_MINOR - Python minor version found e.g. 5 +# PYTHON_VERSION_PATCH - Python patch version found e.g. 2 +# +# Python_ADDITIONAL_VERSIONS - list of additional Python versions to search for #============================================================================= # Copyright 2005-2010 Kitware, Inc. +# Copyright 2011 Bjoern Ricks # # Distributed under the OSI-approved BSD License (the "License"); # see accompanying file Copyright.txt for details. @@ -20,6 +26,7 @@ # (To distribute this file outside of CMake, substitute the full # License text for the above reference.) +# Search for the current active python version first find_program(PYTHON_EXECUTABLE NAMES python) # Set up the versions we know about, in the order we will search. Always add @@ -28,8 +35,7 @@ set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS} 2.7 2.6 2.5 2.4 2.3 2.2 2.1 2.0 1.6 1.5) -# Run first with the Python version in the executable - +# Search for newest python version if python executable isn't found if(NOT PYTHON_EXECUTABLE) foreach(_CURRENT_VERSION ${_Python_VERSIONS}) set(_Python_NAMES python${_CURRENT_VERSION}) @@ -43,6 +49,7 @@ if(NOT PYTHON_EXECUTABLE) endforeach() endif() +# determine python version string if(PYTHON_EXECUTABLE) execute_process(COMMAND "${PYTHON_EXECUTABLE}" --version ERROR_VARIABLE _VERSION OUTPUT_QUIET ERROR_STRIP_TRAILING_WHITESPACE) string(REPLACE "Python " "" PYTHON_VERSION_STRING "${_VERSION}")