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FindPythonInterp: Use consistent version with PythonLibs (#13794)

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If

  find_package(PythonLibs)
  find_package(PythonInterp)

is called, help PythonInterp to get a version of PYTHON_EXECUTABLE
consistent with the library versions found by PythonLibs.
This commit is contained in:
Matt McCormick 2014-03-05 17:01:26 -05:00 committed by Brad King
parent bf28ff1f42
commit a9e6de2acc
1 changed files with 14 additions and 9 deletions
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23
Modules/FindPythonInterp.cmake
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@ -71,18 +71,23 @@ if(PythonInterp_FIND_VERSION)
else()
set(_PYTHON_FIND_OTHER_VERSIONS ${_PYTHON3_VERSIONS} ${_PYTHON2_VERSIONS} ${_PYTHON1_VERSIONS})
endif()
list(APPEND _Python_NAMES python)
# Search for the current active python version first
find_program(PYTHON_EXECUTABLE NAMES ${_Python_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(_Python_VERSIONS
${Python_ADDITIONAL_VERSIONS}
${_PYTHON_FIND_OTHER_VERSIONS}
)
set(_Python_VERSIONS ${Python_ADDITIONAL_VERSIONS})
# If FindPythonInterp has already found the major and minor version,
# insert that version next to get consistent versions of the interpreter and
# library.
if(DEFINED PYTHONLIBS_VERSION_STRING)
string(REPLACE "." ";" _PYTHONLIBS_VERSION "${PYTHONLIBS_VERSION_STRING}")
list(GET _PYTHONLIBS_VERSION 0 _PYTHONLIBS_VERSION_MAJOR)
list(GET _PYTHONLIBS_VERSION 1 _PYTHONLIBS_VERSION_MINOR)
list(APPEND _Python_VERSIONS ${_PYTHONLIBS_VERSION_MAJOR}.${_PYTHONLIBS_VERSION_MINOR})
endif()
# Search for the current active python version first
list(APPEND _Python_VERSIONS ";")
list(APPEND _Python_VERSIONS ${_PYTHON_FIND_OTHER_VERSIONS})
unset(_PYTHON_FIND_OTHER_VERSIONS)
unset(_PYTHON1_VERSIONS)
@ -91,7 +96,7 @@ unset(_PYTHON3_VERSIONS)
# Search for newest python version if python executable isn't found
if(NOT PYTHON_EXECUTABLE)
foreach(_CURRENT_VERSION ${_Python_VERSIONS})
foreach(_CURRENT_VERSION IN LISTS _Python_VERSIONS)
set(_Python_NAMES python${_CURRENT_VERSION})
if(WIN32)
list(APPEND _Python_NAMES python)