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