Hi, Doug--
On Jan 18, 2010, at 1:17 PM, Doug Barton wrote:
> However I apparently inherited some build problems on 6-stable that I
> don't understand, and since I don't have a 6-stable system available I
> cannot test fixes for. The problems appear to be boost-related, both
> more or less look like this:
>
> In file included from /usr/local/include/boost/thread/future.hpp:12,
> from /usr/local/include/boost/thread.hpp:24,
> from ../include/libtorrent/storage.hpp:45,
> from ../include/libtorrent/peer_connection.hpp:63,
> from peer_connection.cpp:41:
> /usr/local/include/boost/exception_ptr.hpp:43: error: looser throw
> specifier for `virtual boost::exception_ptr::~exception_ptr()'
> /usr/local/include/boost/exception/detail/exception_ptr_base.hpp:27:
> error: overriding `virtual
> boost::exception_detail::exception_ptr_base::~exception_ptr_base() throw ()'
[ ... ]
Whether this constitutes a legitimate problem or something that the compiler
should figure out seems to be arguable-- evidently this sort of error is highly
dependent upon the compiler version. The following changes seems to allow
net-p2p/rblibtorrent to build successfully under 6-STABLE:
--- /usr/local/include/boost/exception/detail/exception_ptr_base.hpp~
2010-01-18 18:20:52.000000000 -0500
+++ /usr/local/include/boost/exception/detail/exception_ptr_base.hpp
2010-01-18 19:03:46.000000000 -0500
@@ -23,7 +23,7 @@
protected:
virtual
- ~exception_ptr_base() throw()
+ ~exception_ptr_base()
{
}
};
--- libtorrent-0.13/src/storage.cpp~ 2010-01-18 17:11:00.000000000 -0500
+++ libtorrent-0.13/src/storage.cpp 2010-01-18 19:19:05.000000000 -0500
@@ -378,7 +378,7 @@
size_type read_impl(char* buf, int slot, int offset, int size,
bool fill_zero);
- ~storage()
+ ~storage() throw ()
{ m_files.release(this); }
boost::intrusive_ptr<torrent_info const> m_info;
Eww. It's entirely possible that adding a USE_GCC=4.2+ line to Boost or these
ports might provide a cleaner solution. Or consult someone who knows C++
better than I...
Regards,
--
-Chuck
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