1# - Returns a list of the parent directories of all files passed 2# 3# get_directory_list(<listvar> <file path> [<additional file paths>...]) 4# 5# Requires CMake 2.6 or newer (uses the 'function' command) 6# 7# Original Author: 8# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net> 9# http://academic.cleardefinition.com 10# Iowa State University HCI Graduate Program/VRAC 11# 12# Copyright Iowa State University 2009-2010. 13# Distributed under the Boost Software License, Version 1.0. 14# (See accompanying file LICENSE_1_0.txt or copy at 15# http://www.boost.org/LICENSE_1_0.txt) 16 17if(__get_directory_list) 18 return() 19endif() 20set(__get_directory_list YES) 21 22function(get_directory_list _var) 23 # combine variable's current value with additional list items 24 set(_in ${ARGN}) 25 26 if(_in) 27 # Initial list cleaning 28 list(REMOVE_DUPLICATES _in) 29 30 # Grab the absolute path of each actual directory 31 set(_out) 32 foreach(_file ${_in}) 33 get_filename_component(_dir "${_file}" PATH) 34 if(IS_DIRECTORY "${_dir}") 35 get_filename_component(_dir "${_dir}" ABSOLUTE) 36 file(TO_CMAKE_PATH "${_dir}" _dir) 37 list(APPEND _out "${_dir}") 38 endif() 39 endforeach() 40 41 if(_out) 42 # Clean up the output list now 43 list(REMOVE_DUPLICATES _out) 44 endif() 45 46 # return _out 47 set(${_var} "${_out}" PARENT_SCOPE) 48 endif() 49endfunction() 50