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function (CHECK_ERRORS command)
set (errors ${ARGN})
if (errors)
string (LENGTH "${command}" length)
math (EXPR count "${length} + 2")
string (REPEAT " " ${count} shift)
list (TRANSFORM errors PREPEND "${shift}")
list (JOIN errors "\n" msg)
message (FATAL_ERROR "${command}: ${msg}")
endif()
endfunction()