id	summary	reporter	owner	description	type	status	milestone	component	version	severity	resolution	keywords	cc
2707	Spurious GCC warnings	John Maddock	Joel de Guzman	"Boost.Math is getting an annoying warning from Fusion, for example:

#include <boost/math/special_functions/gamma.hpp>

leads to:

In file included from ./boost/math/special_functions/erf.hpp:1078,
                 from ./boost/math/special_functions/gamma.hpp:1472,
                 from ../../trunk/t.cpp:2:
./boost/fusion/container/vector/vector10.hpp: In instantiation of 'boost::fusion
::vector0::vector0(const Sequence&) [with Sequence = boost::fusion::tuple<boost:
:fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_
, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusio
n::void_, boost::fusion::void_, boost::fusion::void_>]':
./boost/fusion/container/vector/vector.hpp:62:   instantiated from 'boost::fusio
n::vector<T0, T1, T2, T3, T4, T5, T6, T7, T8, T9>::vector(const Sequence&) [with
 Sequence = boost::fusion::tuple<boost::fusion::void_, boost::fusion::void_, boo
st::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fusion::vo
id_, boost::fusion::void_, boost::fusion::void_, boost::fusion::void_, boost::fu
sion::void_>, T0 = boost::fusion::void_, T1 = boost::fusion::void_, T2 = boost::
fusion::void_, T3 = boost::fusion::void_, T4 = boost::fusion::void_, T5 = boost:
:fusion::void_, T6 = boost::fusion::void_, T7 = boost::fusion::void_, T8 = boost
::fusion::void_, T9 = boost::fusion::void_]'
./boost/fusion/tuple/tuple.hpp:34:   instantiated from 'boost::fusion::tuple<T0,
 T1, T2, T3, T4, T5, T6, T7, T8, T9>::tuple(const boost::fusion::tuple<T0, T1, T
2, T3, T4, T5, T6, T7, T8, T9>&) [with T0 = boost::fusion::void_, T1 = boost::fu
sion::void_, T2 = boost::fusion::void_, T3 = boost::fusion::void_, T4 = boost::f
usion::void_, T5 = boost::fusion::void_, T6 = boost::fusion::void_, T7 = boost::
fusion::void_, T8 = boost::fusion::void_, T9 = boost::fusion::void_]'
./boost/fusion/tuple/make_tuple.hpp:22:   instantiated from here
./boost/fusion/container/vector/vector10.hpp:54: warning: unused parameter 'seq'

When built with g++ 4.3 and -Wall -Wextra.

Cheers, John."	Bugs	closed	Boost 1.38.0	fusion	Boost 1.37.0	Cosmetic	fixed		manuel.holtgrewe@…