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list(APPEND CMAKE_FIND_LIBRARY_PREFIXES lib)
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list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES .a)
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set(ENV_PATH "$ENV{PATH}")
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set(CMAKE_FIND_DEBUG_MODE 1)
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set(ENV{PATH} "${CMAKE_CURRENT_SOURCE_DIR}/does_not_exist")
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find_library(PrefixInPATH_LIBRARY NAMES PrefixInPATH)
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set(CMAKE_FIND_DEBUG_MODE 0)
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foreach(path "/does_not_exist" "" "/bin" "/sbin")
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unset(PrefixInPATH_LIBRARY CACHE)
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set(ENV{PATH} "${CMAKE_CURRENT_SOURCE_DIR}${path}")
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find_library(PrefixInPATH_LIBRARY NAMES PrefixInPATH)
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message(STATUS "PrefixInPATH_LIBRARY='${PrefixInPATH_LIBRARY}'")
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endforeach()
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set(ENV{PATH} "${ENV_PATH}")
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