# - MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>) # MACRO_ENSURE_OUT_OF_SOURCE_BUILD(<errorMessage>) # Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org> # # Redistribution and use is allowed according to the terms of the BSD license. # For details see the accompanying COPYING-CMAKE-SCRIPTS file. macro (MACRO_ENSURE_OUT_OF_SOURCE_BUILD _errorMessage) string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" _insource) if (_insource) message(SEND_ERROR "${_errorMessage}") message(FATAL_ERROR "Remove the file CMakeCache.txt in ${CMAKE_SOURCE_DIR} first.") endif (_insource) endmacro (MACRO_ENSURE_OUT_OF_SOURCE_BUILD)