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# - MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>)
# MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>)
MACRO (MACRO_ENSURE_OUT_OF_SOURCE_BUILD _errorMessage)
STRING(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" insource)
IF(insource)
MESSAGE(FATAL_ERROR "${_errorMessage}")
ENDIF(insource)
ENDMACRO (MACRO_ENSURE_OUT_OF_SOURCE_BUILD)
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