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24 lines
836 B
CMake
24 lines
836 B
CMake
# Copyright (C)
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#
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# This file is free software; as a special exception the author gives
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# unlimited permission to copy and/or distribute it, with or without
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# modifications, as long as this notice is preserved.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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#
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# Force out-of-source build
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#
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string(COMPARE EQUAL "${CMAKE_SOURCE_DIR}" "${CMAKE_BINARY_DIR}" BUILDING_IN_SOURCE)
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if( BUILDING_IN_SOURCE )
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message(FATAL_ERROR "
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This project requires an out of source build. Remove the file 'CMakeCache.txt'
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found in this directory before continuing, create a separate build directory
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and run 'cmake path_to_project [options]' from there.
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")
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endif()
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