32 lines
1.0 KiB
CMake
32 lines
1.0 KiB
CMake
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# - Returns whether the current project is on its own or within another project's build
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#
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# get_subproject_status(<resultvar>) - resultvar will be YES if we are
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# included in another project, or NO if we are being built separately
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#
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# Requires CMake 2.6 or newer (uses the 'function' command)
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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_subproject_status)
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return()
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endif()
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set(__get_subproject_status YES)
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function(get_subproject_status _var)
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if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
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# Base source dir is our source dir - we are top-level
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set(${_var} NO PARENT_SCOPE)
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else()
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# Base source dir is not our source dir - we are a subproject
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set(${_var} YES PARENT_SCOPE)
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endif()
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endfunction()
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