On 22 May 2013 11:40, Jonathan Wakely wrote: > On 22 May 2013 11:30, Paolo Carlini wrote: >> .. put an abort or something in the dummy implementations, to make sure >> people don't try to run an executable built with headers which have the >> clock available linked at run time to a .so which doesn't, really. >> Suboptimal solution because ideally we would like to fail at build time, but >> this is the best I have got so far. Be very clear in the docs, anyway. > > Based on feedback for <regex> users much prefer to have something > undefined than to have it defined but non-functional or causing an > abort.
Could leave the steady_clock::now() symbol "undesignated", like the __once_call and __once_callable symbols that are only present when _GLIBCXX_HAVE_TLS is defined?
