forked from OSchip/llvm-project
20 lines
878 B
CMake
20 lines
878 B
CMake
# Extend the path in `base_path` with the path in `current_segment`, returning
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# the result in `joined_path`. If `current_segment` is an absolute path then
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# just return it, in effect overriding `base_path`, and issue a warning.
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#
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# Note that the code returns a relative path (avoiding introducing leading
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# slashes) if `base_path` is empty.
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function(extend_path joined_path base_path current_segment)
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if("${current_segment}" STREQUAL "")
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set(temp_path "${base_path}")
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elseif("${base_path}" STREQUAL "")
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set(temp_path "${current_segment}")
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elseif(IS_ABSOLUTE "${current_segment}")
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message(WARNING "Since \"${current_segment}\" is absolute, it overrides base path: \"${base_path}\".")
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set(temp_path "${current_segment}")
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else()
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set(temp_path "${base_path}/${current_segment}")
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endif()
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set(${joined_path} "${temp_path}" PARENT_SCOPE)
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endfunction()
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