http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53899
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |DUPLICATE --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> 2012-07-09 14:13:12 UTC --- (In reply to comment #0) > This item may be along the line given in > > Bug 49445 [C++0x] Undefined reference to std::atomic<float> "operator float" It's the same issue, already fixed in 4.7.0 It's not going to be fixed in 4.6, the Boost.lockfree authors will need to change their code to support GCC 4.6 *** This bug has been marked as a duplicate of bug 49445 ***