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FindPython: Add capability to specify Python implementations

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Through hint Python_FIND_IMPLEMENTATIONS it is possble to specify, as an
ordered list, which implementations must be searched for.
Currently possible values are:
* CPython
* IronPython
This commit is contained in:
Marc Chevrier
2020-04-22 15:01:21 +02:00
parent 265fb71c91
commit d2c47c822b
9 changed files with 699 additions and 495 deletions
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37
Tests/FindPython/Implementation/CMakeLists.txt Normal file
View File

@@ -0,0 +1,37 @@
cmake_minimum_required(VERSION 3.1)
project(TestImplementation${Python_REQUESTED_IMPLEMENTATION} C)
set (Python${Python_REQUESTED_VERSION}_FIND_IMPLEMENTATIONS ${Python_REQUESTED_IMPLEMENTATION})
find_package(Python${Python_REQUESTED_VERSION} COMPONENTS Interpreter)
if (NOT Python${Python_REQUESTED_VERSION}_FOUND OR NOT Python${Python_REQUESTED_VERSION}_Interpreter_FOUND)
message (FATAL_ERROR "Fail to found Python${Python_REQUESTED_VERSION}")
endif()
if (Python_REQUESTED_IMPLEMENTATION STREQUAL "IronPython"
AND NOT Python${Python_REQUESTED_VERSION}_INTERPRETER_ID STREQUAL "IronPython")
message (FATAL_ERROR "Erroneous interpreter ID (${Python${Python_REQUESTED_VERSION}_INTERPRETER_ID})")
endif()
if (Python_REQUESTED_IMPLEMENTATION STREQUAL "CPython"
AND Python${Python_REQUESTED_VERSION}_INTERPRETER_ID STREQUAL "IronPython")
message (FATAL_ERROR "Erroneous interpreter ID (${Python${Python_REQUESTED_VERSION}_INTERPRETER_ID})")
endif()
set (Python_FIND_IMPLEMENTATIONS ${Python_REQUESTED_IMPLEMENTATION})
find_package(Python ${Python_REQUESTED_VERSION} REQUIRED COMPONENTS Interpreter)
if (NOT Python_FOUND OR NOT Python_Interpreter_FOUND)
message (FATAL_ERROR "Fail to found Python ${Python_REQUESTED_VERSION}")
endif()
if (Python_REQUESTED_IMPLEMENTATION STREQUAL "IronPython"
AND NOT Python_INTERPRETER_ID STREQUAL "IronPython")
message (FATAL_ERROR "Erroneous interpreter ID (${Python_INTERPRETER_ID})")
endif()
if (Python_REQUESTED_IMPLEMENTATION STREQUAL "CPython"
AND Python_INTERPRETER_ID STREQUAL "IronPython")
message (FATAL_ERROR "Erroneous interpreter ID (${Python_INTERPRETER_ID})")
endif()