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# This module provides a function for joining paths
# known from most languages
#
# SPDX-License-Identifier: (MIT OR CC0-1.0)
# Copyright 2020 Jan Tojnar
# https://github.com/jtojnar/cmake-snips
#
# 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 ""))
string(REGEX REPLACE "^${CMAKE_INSTALL_PREFIX}/?" "" new_segment "${current_segment}")
if(NOT ("${new_segment}" STREQUAL ""))
if(NOT IS_ABSOLUTE "${current_segment}" OR NOT "${current_segment}" MATCHES "^${new_segment}$")
set(temp_path "${temp_path}/${new_segment}")
else()
set(temp_path "${current_segment}")
endif()
endif()
endif()
endforeach()
set(${joined_path} "${temp_path}" PARENT_SCOPE)
endfunction()
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