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45 lines
1.4 KiB
CMake
45 lines
1.4 KiB
CMake
# - Get the platform-appropriate flags to add to force inclusion of a file
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#
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# The most common use of this is to use a generated config.h-type file
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# placed out of the source tree in all files.
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#
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# get_force_include_definitions(var forcedincludefiles...) -
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# where var is the name of your desired output variable, and everything
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# else is a source file to forcibly include.
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# a list item to be filtered.
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#
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# Original Author:
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# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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# Iowa State University HCI Graduate Program/VRAC
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#
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# Copyright Iowa State University 2009-2010.
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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if(__get_force_include_definitions)
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return()
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endif()
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set(__get_force_include_definitions YES)
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function(get_force_include_definitions var)
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set(_flagprefix)
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if(CMAKE_COMPILER_IS_GNUCXX)
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set(_flag "-include")
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elseif(MSVC)
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set(_flag "/FI")
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else()
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message(SEND_ERROR "You don't seem to be using MSVC or GCC, but")
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message(SEND_ERROR "the project called get_force_include_definitions.")
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message(SEND_ERROR "Contact this project with the name of your")
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message(FATAL_ERROR "compiler and preferably the flag to force includes")
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endif()
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set(_out)
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foreach(_item ${ARGN})
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list(APPEND _out "${_flag} \"${_item}\"")
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endforeach()
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set(${var} "${_out}" PARENT_SCOPE)
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endfunction()
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