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FindPython: enhance multiple major versions lookup

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This commit is contained in:
Marc Chevrier
2018-04-02 17:16:36 +02:00
parent e3ce4d7a28
commit b1fd2bbe75
2 changed files with 17 additions and 7 deletions
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15
Modules/FindPython.cmake
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@@ -144,18 +144,19 @@ else()
set (Python_FIND_QUIETLY TRUE)
set (Python_FIND_REQUIRED FALSE)
foreach (_Python_REQUIRED_VERSION_MAJOR IN ITEMS 3 2)
set (_Python_REQUIRED_VERSIONS 3 2)
set (_Python_REQUIRED_VERSION_LAST 2)
foreach (_Python_REQUIRED_VERSION_MAJOR IN LISTS _Python_REQUIRED_VERSIONS)
set (Python_FIND_VERSION ${_Python_REQUIRED_VERSION_MAJOR})
include (${CMAKE_CURRENT_LIST_DIR}/FindPython/Support.cmake)
if (Python_FOUND)
if (Python_FOUND OR
_Python_REQUIRED_VERSION_MAJOR EQUAL _Python_REQUIRED_VERSION_LAST)
break()
endif()
# clean-up some CACHE variables to ensure look-up restart from scratch
foreach (_Python_ITEM IN ITEMS EXECUTABLE COMPILER
LIBRARY_RELEASE RUNTIME_LIBRARY_RELEASE
LIBRARY_DEBUG RUNTIME_LIBRARY_DEBUG
INCLUDE_DIR)
unset (Python_${_Python_ITEM} CACHE)
foreach (_Python_ITEM IN LISTS _Python_CACHED_VARS)
unset (${_Python_ITEM} CACHE)
endforeach()
endforeach()

9
Modules/FindPython/Support.cmake
View File

@@ -162,12 +162,14 @@ unset (${_PYTHON_PREFIX}_VERSION_MINOR)
unset (${_PYTHON_PREFIX}_VERSION_PATCH)
unset (_${_PYTHON_PREFIX}_REQUIRED_VARS)
unset (_${_PYTHON_PREFIX}_CACHED_VARS)
# first step, search for the interpreter
if ("Interpreter" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
if (${_PYTHON_PREFIX}_FIND_REQUIRED_Interpreter)
list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_EXECUTABLE)
list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_EXECUTABLE)
endif()
set (_${_PYTHON_PREFIX}_HINTS "${${_PYTHON_PREFIX}_ROOT_DIR}" ENV ${_PYTHON_PREFIX}_ROOT_DIR)
@@ -305,6 +307,7 @@ endif()
if ("Compiler" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS)
if (${_PYTHON_PREFIX}_FIND_REQUIRED_Compiler)
list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_COMPILER)
list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_COMPILER)
endif()
# IronPython specific artifacts
@@ -393,6 +396,12 @@ if ("Development" IN_LIST ${_PYTHON_PREFIX}_FIND_COMPONENTS
if (${_PYTHON_PREFIX}_FIND_REQUIRED_Development)
list (APPEND _${_PYTHON_PREFIX}_REQUIRED_VARS ${_PYTHON_PREFIX}_LIBRARY
${_PYTHON_PREFIX}_INCLUDE_DIR)
list (APPEND _${_PYTHON_PREFIX}_CACHED_VARS ${_PYTHON_PREFIX}_LIBRARY
${_PYTHON_PREFIX}_LIBRARY_RELEASE
${_PYTHON_PREFIX}_RUNTIME_LIBRARY_RELEASE
${_PYTHON_PREFIX}_LIBRARY_DEBUG
${_PYTHON_PREFIX}_RUNTIME_LIBRARY_DEBUG
${_PYTHON_PREFIX}_INCLUDE_DIR)
endif()
# Support preference of static libs by adjusting CMAKE_FIND_LIBRARY_SUFFIXES