I have a large project at work. We use Visual Studio 2005 with SP 1 and
Boost 1.34.0.
When we use boost::bind in algorithms on collections we very often get
following warning (at level 3):
J:\ThirdParty\boost_1_34_0\boost/bind.hpp(1575) : warning C4180: qualifier
applied to function type has no meaning; ignored
the detailed message is following (just an example extract from compilation
log, sadly I was unable to produce a simple stand-alone example - but if it
is required then I will give some more work into finding one):
J:\ThirdParty\boost_1_34_0\boost/bind.hpp(1575) : warning C4180: qualifier
applied to function type has no meaning; ignored
J:\ThirdParty\boost_1_34_0\boost/bind.hpp(1609) : see reference to
class template instantiation 'boost::_bi::add_cref' being compiled
with
[
Pm=boost::shared_ptrnle::views::ScrollEventListener ,
I=1
]
j:\sources\Common/Helpers/Observable.h(128) : see reference to class
template instantiation 'boost::_bi::dm_result' being compiled
with
[
Pm=boost::shared_ptrnle::views::ScrollEventListener
(__thiscall boost::weak_ptrnle::views::ScrollEventListener::* )(void),
A1=boost::arg<1>
]
j:\sources\Common/Helpers/Observable.h(120) : while compiling class
template member function 'void
common::helpers::Observable<T>::registerListener(const boost::weak_ptr<T> &)
const'
with
[
T=nle::views::ScrollEventListener
]
j:\sources\NLE/Views/ScrollInfo.h(65) : see reference to class
template instantiation 'common::helpers::Observable<T>' being compiled
with
[
T=nle::views::ScrollEventListener
]
One of my colleagues found a "solution" to this problem. If the modifier
"const" is removed in one of typedef's the no warning are generated. However
we would like a better solution since modifying the library doesn't seem a
good one.
What to do?
Adam Badura