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64 lines
2.6 KiB
64 lines
2.6 KiB
2 years ago
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# @HEADER
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# ************************************************************************
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#
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# TriBITS: Tribal Build, Integrate, and Test System
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# Copyright 2013 Sandia Corporation
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#
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# Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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# the U.S. Government retains certain rights in this software.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the Corporation nor the names of the
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# ************************************************************************
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# @HEADER
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# @FUNCTION: set_cache_on_off_empty()
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#
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# Usage::
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#
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# set_cache_on_off_empty(<varName> <initialVal> "<docString>" [FORCE])
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#
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# Sets a special string cache variable with possible values "", "ON", or
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# "OFF". This results in a nice drop-down box in the CMake cache manipulation
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# GUIs.
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#
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function(set_cache_on_off_empty VAR INITIAL_VALUE DOCSTR)
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set(FORCE_ARG)
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foreach(ARG ${ARGN})
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if (ARG STREQUAL FORCE)
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set(FORCE_ARG FORCE)
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else()
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message(FATAL_ERROR "set_cache_on_off_empty(...): Error, last arg '${ARG}' is"
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"invalid! Must be 'FORCE' or nothing." )
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endif()
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endforeach()
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set( ${VAR} "${INITIAL_VALUE}" CACHE STRING "${DOCSTR}" ${FORCE_ARG})
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set_property(CACHE ${VAR} PROPERTY STRINGS "" "ON" "OFF")
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endfunction()
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