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# - Contains a function to sensibly and easily enable the "USE_FOLDERS" global property
# without burning people using old MSVC Express Editions.
#
# use_folders([option_name]) - Creates an option (default name if you don't pass
# one: BUILD_WITH_PROJECT_FOLDERS) that controls the USE_FOLDERS global property.
# It has intelligently-set defaults that err on the side of caution (disabling)
# on old MSVC versions, since solutions generated with USE_FOLDERS set to ON
# cannot be used in some older MSVC Express Editions, so it's explicit opt-in there.
#
# Original Author:
# 2015 Ryan Pavlik <ryan@sensics.com> <abiryan@ryand.net>
# http://academic.cleardefinition.com
#
# Copyright Sensics, Inc. 2015.
# 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)
function(use_folders)
set(_option_name BUILD_WITH_PROJECT_FOLDERS)
if(ARGV0)
set(_option_name ${ARGV0})
endif()
# Nitpicky TODO: This unnecessarily defaults to project folders off when using
# an older toolset in a newer IDE...
if(MSVC_IDE AND MSVC_VERSION LESS 1600)
# VS 2012 Express and newer has folder support...
option(${_option_name} "Enable project folders in the IDE. May only work in non-Express Editions!" OFF)
else()
option(${_option_name} "Enable project folders in the IDE." ON)
endif()
set_property(GLOBAL PROPERTY
USE_FOLDERS ${${_option_name}})
endfunction()
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