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# - Returns whether the current project is on its own or within another project's build
#
# get_subproject_status(<resultvar>) - resultvar will be YES if we are
# included in another project, or NO if we are being built separately
#
# Requires CMake 2.6 or newer (uses the 'function' command)
#
# Original Author:
# 2009-2010 Rylie Pavlik <rylie@ryliepavlik.com>
# https://ryliepavlik.com/
# Iowa State University HCI Graduate Program/VRAC
#
# Copyright 2009-2010, Iowa State University
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt)
#
# SPDX-License-Identifier: BSL-1.0
if(__get_subproject_status)
return()
endif()
set(__get_subproject_status YES)
function(get_subproject_status _var)
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
# Base source dir is our source dir - we are top-level
set(${_var} NO PARENT_SCOPE)
else()
# Base source dir is not our source dir - we are a subproject
set(${_var} YES PARENT_SCOPE)
endif()
endfunction()
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