73 lines
2.6 KiB
CMake
73 lines
2.6 KiB
CMake
# - A smarter replacement for list(REMOVE_DUPLICATES) for library lists
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#
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# Note that, in the case of cyclic link dependencies, you _do_ actually need
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# a library in a list multiple times. So, only use this function when you know
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# that the dependency graph is acyclic.
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#
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# clean_library_list(<listvar> [<additional list items>...]) - where
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# listvar is the name of a destination variable, and also possibly a source, and
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# it is followed by any number (including 0) of additional libraries to append
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# to the list before processing.
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#
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# Removes duplicates from the list, leaving only the last instance, while
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# preserving the meaning of the "optimized", "debug", and "general" labeling.
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# (Libraries listed as general are listed in the result instead as optimized and
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# debug)
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#
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# Requires CMake 2.6 or newer (uses the 'function' command)
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#
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# Original Author:
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# 2009-2010 Ryan Pavlik <rpavlik@iastate.edu> <abiryan@ryand.net>
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# http://academic.cleardefinition.com
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# Iowa State University HCI Graduate Program/VRAC
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#
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# Copyright Iowa State University 2009-2010.
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# Distributed under the Boost Software License, Version 1.0.
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# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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if(__clean_library_list)
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return()
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endif()
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set(__clean_library_list YES)
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function(clean_library_list _var)
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# combine variable's current value with additional list items
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set(_work ${${_var}} ${ARGN})
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if(_work)
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# Turn each of optimized, debug, and general into flags
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# prefixed on their respective library (combining list items)
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string(REGEX REPLACE "optimized;" "1CLL%O%" _work "${_work}")
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string(REGEX REPLACE "debug;" "1CLL%D%" _work "${_work}")
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string(REGEX REPLACE "general;" "1CLL%G%" _work "${_work}")
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# Any library that doesn't have a prefix is general, and a general
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# library is both debug and optimized so stdize it
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set(_std)
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foreach(_lib ${_work})
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if(NOT "${_lib}" MATCHES "^1CLL%.%")
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list(APPEND _std "1CLL%D%${_lib}" "1CLL%O%${_lib}")
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elseif("${_lib}" MATCHES "^1CLL%G%")
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string(REPLACE "1CLL%G%" "" _justlib "${_lib}")
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list(APPEND _std "1CLL%D%${_justlib}" "1CLL%O%${_justlib}")
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else()
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list(APPEND _std "${_lib}")
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endif()
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endforeach()
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# REMOVE_DUPLICATES leaves the first - so we reverse before and after
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# to keep the last, instead
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list(REVERSE _std)
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list(REMOVE_DUPLICATES _std)
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list(REVERSE _std)
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# Split list items back out again: turn prefixes into the
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# library type flags.
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string(REGEX REPLACE "1CLL%D%" "debug;" _std "${_std}")
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string(REGEX REPLACE "1CLL%O%" "optimized;" _std "${_std}")
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# Return _std
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set(${_var} ${_std} PARENT_SCOPE)
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endif()
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endfunction()
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