8c4c180575
When running cmake directly (without west, as twister does) on nix the CMake environment paths are set and thus it does not find the virtualenv'ed python. Fix this by ignoring the cmake environment variables nix sets. Signed-off-by: Tom Burdick <thomas.burdick@intel.com>
47 lines
1.7 KiB
CMake
47 lines
1.7 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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include_guard(GLOBAL)
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# On Windows, instruct Python to output UTF-8 even when not
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# interacting with a terminal. This is required since Python scripts
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# are invoked by CMake code and, on Windows, standard I/O encoding defaults
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# to the current code page if not connected to a terminal, which is often
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# not what we want.
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if (WIN32)
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set(ENV{PYTHONIOENCODING} "utf-8")
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endif()
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set(PYTHON_MINIMUM_REQUIRED 3.8)
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find_package(Deprecated COMPONENTS PYTHON_PREFER)
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if(NOT DEFINED Python3_EXECUTABLE AND DEFINED WEST_PYTHON)
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set(Python3_EXECUTABLE "${WEST_PYTHON}")
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endif()
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if(NOT Python3_EXECUTABLE)
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# We are using foreach here, instead of
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# find_program(PYTHON_EXECUTABLE_SYSTEM_DEFAULT "python" "python3")
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# cause just using find_program directly could result in a python2.7 as python,
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# and not finding a valid python3.
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foreach(candidate "python" "python3")
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find_program(Python3_EXECUTABLE ${candidate} PATHS ENV VIRTUAL_ENV NO_CMAKE_PATH NO_CMAKE_ENVIRONMENT_PATH)
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if(Python3_EXECUTABLE)
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execute_process (COMMAND "${Python3_EXECUTABLE}" -c
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"import sys; sys.stdout.write('.'.join([str(x) for x in sys.version_info[:2]]))"
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RESULT_VARIABLE result
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OUTPUT_VARIABLE version
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(version VERSION_LESS PYTHON_MINIMUM_REQUIRED)
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set(Python3_EXECUTABLE "Python3_EXECUTABLE-NOTFOUND" CACHE INTERNAL "Path to a program")
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endif()
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endif()
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endforeach()
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endif()
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find_package(Python3 ${PYTHON_MINIMUM_REQUIRED} REQUIRED)
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# Zephyr internally used Python variable.
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set(PYTHON_EXECUTABLE ${Python3_EXECUTABLE})
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