px4_list_make_absolute.cmake

############################################################################
#
# Copyright (c) 2020 PX4 Development Team. All rights reserved.
#
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# 1. Redistributions of source code must retain the above copyright
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############################################################################

# cmake include guard
if(px4_list_make_absolute_included)
	return()
endif(px4_list_make_absolute_included)
set(px4_list_make_absolute_included true)

#=============================================================================
#
#	px4_list_make_absolute
#
#	prepend a prefix to each element in a list, if the element is not an abolute
#	path
#
function(px4_list_make_absolute var prefix)
	set(list_var "")
	foreach(f ${ARGN})
		if(IS_ABSOLUTE ${f})
			list(APPEND list_var "${f}")
		else()
			list(APPEND list_var "${prefix}/${f}")
		endif()
	endforeach(f)
	set(${var} "${list_var}" PARENT_SCOPE)
endfunction()