[MacPorts] #44701: boost @1.56.0_1 compile stuck in endless loop

[MacPorts]

#44701: boost @1.56.0_1 compile stuck in endless loop
------------------------+--------------------------------
 Reporter:  easieste@…  |      Owner:  macports-tickets@…
     Type:  defect      |     Status:  new
 Priority:  Normal      |  Milestone:
Component:  ports       |    Version:  2.3.1
 Keywords:              |       Port:  boost
------------------------+--------------------------------
 boost @1.56_01 failing to compile on OS 10.9 getting stuck repeating the
 same text endlessly

 {{{
 In file included from ./boost/algorithm/string/split.hpp:16:
 In file included from ./boost/algorithm/string/iter_find.hpp:17:
 In file included from ./boost/iterator/transform_iterator.hpp:12:
 In file included from ./boost/iterator/iterator_adaptor.hpp:15:
 In file included from ./boost/iterator/iterator_facade.hpp:34:
 In file included from ./boost/mpl/apply.hpp:25:
 In file included from ./boost/mpl/lambda.hpp:18:
 In file included from ./boost/mpl/bind.hpp:26:
 ./boost/mpl/protect.hpp:48:1: warning: empty macro arguments are a C99
 feature [-Wc99-extensions]
 ./boost/mpl/aux_/na_spec.hpp:65:9: note: expanded from macro
 'BOOST_MPL_AUX_NA_SPEC_MAIN'
         BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL(i, typename T, na) \
         ^
 ./boost/mpl/aux_/preprocessor/def_params_tail.hpp:97:5: note: expanded
 from macro 'BOOST_MPL_PP_NESTED_DEF_PARAMS_TAIL'
     BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL(i, param, BOOST_PP_IDENTITY(=value))
 \
     ^
 ./boost/mpl/aux_/preprocessor/def_params_tail.hpp:83:11: note: expanded
 from macro 'BOOST_MPL_PP_DEF_PARAMS_TAIL_IMPL'
         , BOOST_MPL_PP_AUX_TAIL_PARAM_FUNC \
           ^
 note: (skipping 17 expansions in backtrace; use -fmacro-backtrace-limit=0
 to see all)
 ./boost/preprocessor/tuple/elem.hpp:33:53: note: expanded from macro
 'BOOST_PP_TUPLE_ELEM_O_3'
 #    define BOOST_PP_TUPLE_ELEM_O_3(size, n, tuple)
 BOOST_PP_TUPLE_ELEM_O_2(n, tuple)
                                                     ^
 ./boost/preprocessor/tuple/elem.hpp:32:47: note: expanded from macro
 'BOOST_PP_TUPLE_ELEM_O_2'
 #    define BOOST_PP_TUPLE_ELEM_O_2(n, tuple) BOOST_PP_VARIADIC_ELEM(n,
 BOOST_PP_REM tuple)
                                               ^
 ./boost/preprocessor/variadic/elem.hpp:26:101: note: expanded from macro
 'BOOST_PP_VARIADIC_ELEM'
 #        define BOOST_PP_VARIADIC_ELEM(n, ...)
 BOOST_PP_CAT(BOOST_PP_VARIADIC_ELEM_, n)(__VA_ARGS__,)
 ^
 }}}

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Ticket URL: <https://trac.macports.org/ticket/44701>
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