Hi!
Building boost_1_47_0 I with gcc-4.6 -std=c++0x I encountered the errors
listed below. If I exchange in
libs/signals/src/named_slot_map.cpp
[named_slot_map.cpp:105]
groups.erase(group); [old]
groups.erase( const_group_iterator(group) ); [new]
[named_slot_map.cpp:128]
if (empty(g)) groups.erase(g++); [old]
if (empty(g)) groups.erase( const_group_iterator(g++) );[new]
I am wondering if this is a boost issue or a gcc issue, since the
compiler should actually be able to convert a map::iterator into a
map::const_iterator by default, or am I mistaken here?
Regards
Claas
The compiler error in its full beauty:
libs/signals/src/named_slot_map.cpp: In member function ‘void
boost::signals::detail::named_slot_map::disconnect(const
boost::signals::detail::stored_group&)’:
libs/signals/src/named_slot_map.cpp:105:23: error: call of overloaded
‘erase(boost::signals::detail::named_slot_map::group_iterator&)’ is
ambiguous
libs/signals/src/named_slot_map.cpp:105:23: note: candidates are:
/usr/include/c++/4.6/bits/stl_map.h:613:7: note: std::map<_Key, _Tp,
_Compare, _Alloc>::iterator std::map<_Key, _Tp, _Compare,
_Alloc>::erase(std::map<_Key, _Tp, _Compare, _Alloc>::const_iterator)
[with _Key = boost::signals::detail::stored_group, _Tp =
std::listboost::signals::detail::connection_slot_pair, _Compare =
boost::function2
2011/8/10 rudy b
Hi, I am newb in using boost. And, I am having so much trouble installing and running a simple example. I would REALLY appreciate some help.
I tried to install boost_1_47_0.tar.gz on my unix machine, and I followed the stpes
http://www.boost.org/doc/libs/1_47_0/more/getting_started/unix-variants.html
to first build, and install the libraries.
I had no problem running some the examples (provided on the link above, that was using some of its already built libraries), and they all worked.
The problem is when I try to run an example that is using a boost_filesystem.
I tried uninstalling/installing different boost versions, cause I thought the error may be version dependent, but it wasn't. I also tried to built the entire library using different versions of gcc (3.4.6, 4.3.5, 4.4.0, 4.5.0, 4.5.1, 4.5.2, 4.6.0), and I get the same error messages. I even made sure that when compile, I have the boost_1_4x_0 path in my compile script. I also made sure that I have appended boost_1_4x_0 path to my $path.
I even tried to have -lboost_filesystem in my compile script, but this didn't help either !!!
This is the type of error that I am getting:
/tmp/cczDoDOU.o: In function `__static_initialization_and_destruction_0(int, int)': sync.cpp:(.text+0xe03): undefined reference to `boost::system::generic_category()' sync.cpp:(.text+0xe1e): undefined reference to `boost::system::generic_category()' sync.cpp:(.text+0xe39): undefined reference to `boost::system::system_category()' /tmp/cczDoDOU.o: In function `boost::filesystem3::last_write_time(boost::filesystem3::path const&, long)':
Try to link Boost.System (e.g. -lboost_system) as well.
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-- Claas H. Köhler Deutsches Zentrum für Luft- und Raumfahrt e.V. (DLR) in der Helmholtz-Gemeinschaft Institut für Methodik der Fernerkundung (IMF-AP) Earth Observation Center (EOC) Münchner Str 82234 Weßling Germany Telefon +49 8153 28-1274 Telefax +49 8153 28-1446 E-Mail claas.koehler@dlr.de Internet http://www.dlr.de