etc/cmake/functions.cmake

#
#  Copyright (c) 2019, The OpenThread Authors.
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# Get a list of the available platforms and output as a list to the 'arg_platforms' argument
function(ot_get_platforms arg_platforms)
    list(APPEND result "NO" "posix" "external")
    set(platforms_dir "${PROJECT_SOURCE_DIR}/examples/platforms")
    file(GLOB platforms RELATIVE "${platforms_dir}" "${platforms_dir}/*")
    foreach(platform IN LISTS platforms)
        if(IS_DIRECTORY "${platforms_dir}/${platform}")
            list(APPEND result "${platform}")
        endif()
    endforeach()

    list(REMOVE_ITEM result utils)
    list(SORT result)
    set(${arg_platforms} "${result}" PARENT_SCOPE)
endfunction()

function(ot_git_version git_version)
    execute_process(
        COMMAND git describe --dirty --always
        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
        OUTPUT_VARIABLE GIT_REV OUTPUT_STRIP_TRAILING_WHITESPACE
        ERROR_QUIET
    )
    set(${git_version} "${GIT_REV}" PARENT_SCOPE)
endfunction()