6758156c09
For developers ease, let's try to find the simulator thru west if the environment variables that tell where the simulator is are not set. Signed-off-by: Alberto Escolar Piedras <alberto.escolar.piedras@nordicsemi.no>
63 lines
2.4 KiB
CMake
63 lines
2.4 KiB
CMake
# Copyright (c) 2023 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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# FindBabbleSim module for locating BabbleSim
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#
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# The module defines the following variables:
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#
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# 'BSIM_COMPONENTS_PATH'
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# Path to the BabbleSim components source folder
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#
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# 'BSIM_OUT_PATH'
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# Path to the BabbleSim build output root path (under which libraries and binaries) are kept
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#
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# We first try to find it via the environment variables BSIM_OUT_PATH and BSIM_COMPONENTS_PATH.
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# If these are not set, as a fallback we attempt to find it through west, in case the user
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# fetched babblesim using the manifest.
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# Note that what we find through the environment variables is meant to have precedence.
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#
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# If BabbleSim cannot be found we error right away with a message trying to guide users
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zephyr_get(BSIM_COMPONENTS_PATH)
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zephyr_get(BSIM_OUT_PATH)
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if ((DEFINED WEST) AND (NOT DEFINED BSIM_COMPONENTS_PATH) AND (NOT DEFINED BSIM_OUT_PATH))
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# Let's ask west for the bsim_project existence and its path
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execute_process(COMMAND ${WEST}
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status babblesim_base
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OUTPUT_QUIET
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ERROR_QUIET
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RESULT_VARIABLE ret_val1)
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execute_process(COMMAND ${WEST}
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list babblesim_base -f {posixpath}
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OUTPUT_VARIABLE BSIM_BASE_PATH
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ERROR_QUIET
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RESULT_VARIABLE ret_val2)
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if (NOT (${ret_val1} OR ${ret_val2}))
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string(STRIP ${BSIM_BASE_PATH} BSIM_COMPONENTS_PATH)
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get_filename_component(BSIM_OUT_PATH ${BSIM_COMPONENTS_PATH}/.. ABSOLUTE)
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endif()
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endif()
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message(STATUS "Using BSIM from BSIM_COMPONENTS_PATH=${BSIM_COMPONENTS_PATH}\
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BSIM_OUT_PATH=${BSIM_OUT_PATH}")
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if ((NOT DEFINED BSIM_COMPONENTS_PATH) OR (NOT DEFINED BSIM_OUT_PATH))
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message(FATAL_ERROR "This board requires the BabbleSim simulator. Please either\n\
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a) Enable the west babblesim group with\n\
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west config manifest.group-filter +babblesim && west update\n\
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and build it with\n\
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cd ${ZEPHYR_BASE}/../tools/bsim\n\
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make everything -j 8\n\
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OR\n\
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b) set the environment variable BSIM_COMPONENTS_PATH to point to your own bsim installation\n\
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`components/` folder, *and* BSIM_OUT_PATH to point to the folder where the simulator\n\
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is compiled to.\n\
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More information can be found in https://babblesim.github.io/folder_structure_and_env.html"
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)
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endif()
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#Many apps cmake files (in and out of tree) expect these environment variables. Lets provide them:
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set(ENV{BSIM_COMPONENTS_PATH} ${BSIM_COMPONENTS_PATH})
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set(ENV{BSIM_OUT_PATH} ${BSIM_OUT_PATH})
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