9ca3f61947
The `WEST_PYTHON` reported by west (python) may use a different path
style (casing and separator) than the path style in CMake
find_package(Python3).
This may result in following additional error text when west version is
not meeting the minimum required version:
The Python version used by west is: c:\python37\python.exe
The Python version used by CMake is: C:/Python37/python.exe
This might be correct, but please verify your installation.
Using `get_filename_component` will return the path in same style as
CMake find_package(Python3).
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
62 lines
2.0 KiB
CMake
62 lines
2.0 KiB
CMake
# SPDX-License-Identifier: Apache-2.0
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# west is an optional dependency
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find_program(
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WEST
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west
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)
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if(${WEST} STREQUAL WEST-NOTFOUND)
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unset(WEST)
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else()
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# If west is found, make sure its version matches the minimum
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# required one.
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set(MIN_WEST_VERSION 0.7.1)
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execute_process(
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COMMAND
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${PYTHON_EXECUTABLE}
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-c
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"import west.version; print(west.version.__version__, end='')"
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OUTPUT_VARIABLE west_version
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RESULT_VARIABLE west_version_output_result
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)
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if(WEST_PYTHON)
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get_filename_component(WEST_PYTHON ${WEST_PYTHON} ABSOLUTE)
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if(NOT (${WEST_PYTHON} STREQUAL ${PYTHON_EXECUTABLE}))
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set(PYTHON_EXECUTABLE_OUT_OF_SYNC "\nNote:\n\
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The Python version used by west is: ${WEST_PYTHON}\n\
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The Python version used by CMake is: ${PYTHON_EXECUTABLE}\n\
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This might be correct, but please verify your installation.")
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endif()
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endif()
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if(west_version_output_result)
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message(FATAL_ERROR "Unable to import west.version from '${PYTHON_EXECUTABLE}'\n\
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Please install with:\n\
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${PYTHON_EXECUTABLE} -m pip install west\
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${PYTHON_EXECUTABLE_OUT_OF_SYNC}")
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endif()
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if(${west_version} VERSION_LESS ${MIN_WEST_VERSION})
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message(FATAL_ERROR "The detected west version is unsupported.\n\
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The version was found to be ${west_version}:\n\
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${item}\n\
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But the minimum supported version is ${MIN_WEST_VERSION}\n\
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Please upgrade with:\n\
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${PYTHON_EXECUTABLE} -m pip install --upgrade west\
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${PYTHON_EXECUTABLE_OUT_OF_SYNC}\n")
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endif()
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# Just output information for a single version. This will still work
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# even after output is one line.
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message(STATUS "Found west: ${WEST} (found suitable version \"${west_version}\", minimum required is \"${MIN_WEST_VERSION}\")")
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execute_process(
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COMMAND ${PYTHON_EXECUTABLE} -c
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"import pathlib; from west.util import west_topdir; print(pathlib.Path(west_topdir()).as_posix())"
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OUTPUT_VARIABLE WEST_TOPDIR
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OUTPUT_STRIP_TRAILING_WHITESPACE
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WORKING_DIRECTORY ${ZEPHYR_BASE}
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)
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endif()
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