On 18 October 2013 20:04, Vicente J. Botet Escriba wrote: Le 18/10/13 20:50, MM a écrit : hello, I am compiling my code with g++4.8.1 under c++11 mode, however the
fedora's system provided boost thread lib has been compiled under c++98. Linking fails because of errors like: mainthread.cpp:(.text+0x2cf): undefined reference to
`boost::thread::start_thread()**'
mainthread.cpp:(.text+0xcc9): undefined reference to
`boost::thread::join()' looking at the provided shared object,
nm -C -D /usr/lib64/libboost_thread-mt.**so.1.53.0 |grep start_thread 000000000000ba80 T boost::thread::start_thread_**noexcept(boost::thread_*
*attributes const&)
000000000000ba00 T boost::thread::start_thread_**noexcept() neither of which is start_thread() I've put an entry here
https://bugzilla.redhat.com/**show_bug.cgi?id=1021009https://bugzilla.redhat.com/show_bug.cgi?id=1021009 Is there a possible workaround? Are you sure your compiling with Boost 1.53? start_thread is defined in boost/thread/detail/thread.h lines 178-184 as void start_thread()
{
if (!start_thread_noexcept())
{
boost::throw_exception(thread_**resource_error());
}
} Indeed, this file (thread.hpp not .h) is there and has the same code at
the same lines.
However /usr/lib64/libboost_thread-mt.so.1.53.0 doesn't have start_thread()
symbol at all.
start_thread_noexcept() is there though. Fedora guys said they compile with g++4.8 but with c++98, not c++11 Please could you check this file and the contexts of this linenes Best,
Vicente
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