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# - Combine lists of prefixes and suffixes in all combinations
#
# list_combinations(var PREFIXES listitems... SUFFIXES listitems...) -
# where var is the name of your desired output variable and PREFIXES
# and SUFFIXES are special arguments that indicate the start of your
# list of prefixes or suffixes respectively.
#
# 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(__list_combinations)
return()
endif()
set(__list_combinations YES)
function(list_combinations var)
# Parse arguments
set(_prefixes)
set(_suffixes)
set(_nowhere)
set(_curdest _nowhere)
foreach(_element ${ARGN})
if("${_element}" STREQUAL "PREFIXES")
set(_curdest _prefixes)
elseif("${_element}" STREQUAL "SUFFIXES")
set(_curdest _suffixes)
else()
list(APPEND ${_curdest} "${_element}")
endif()
endforeach()
if(_nowhere)
message(STATUS "_prefixes ${_prefixes}")
message(STATUS "_prefixes ${_suffixes}")
message(STATUS "_prefixes ${_nowhere}")
message(FATAL_ERROR
"Syntax error in use of ${CMAKE_CURRENT_LIST_FILE}")
endif()
foreach(_prefix ${_prefixes})
foreach(_suffix ${_suffixes})
list(APPEND _out "${_prefix}${_suffix}")
endforeach()
endforeach()
set(${var} "${_out}" PARENT_SCOPE)
endfunction()
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