# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
# This module provides function for joining paths
# known from most languages
#
# Copyright The Mbed TLS Contributors
#
# This script originates from:
#   - https://github.com/jtojnar/cmake-snips
# Jan has provided re-licensing under Apache 2.0 and GPL 2.0+ and
# allowed for the change of Copyright.
#
# Modelled after Python’s os.path.join
# https://docs.python.org/3.7/library/os.path.html#os.path.join
# Windows not supported
function(join_paths joined_path first_path_segment)
    set(temp_path "${first_path_segment}")
    foreach(current_segment IN LISTS ARGN)
        if(NOT ("${current_segment}" STREQUAL ""))
            if(IS_ABSOLUTE "${current_segment}")
                set(temp_path "${current_segment}")
            else()
                set(temp_path "${temp_path}/${current_segment}")
            endif()
        endif()
    endforeach()
    set(${joined_path} "${temp_path}" PARENT_SCOPE)
endfunction()