On 7 November 2011 21:05, Jonathan Wakely wrote: > On 7 November 2011 20:58, Eric Botcazou wrote: >>> Tested x86_64-linux and committed to trunk. >>> >>> * testsuite/30_threads/async/49668.cc: Add missing dg-require. >>> * testsuite/30_threads/packaged_task/49668.cc: Likewise. >> >> We have a related failure on SPARC/Solaris for some time: >> >> FAIL: 30_threads/call_once/49668.cc (test for excess errors) >> WARNING: 30_threads/call_once/49668.cc compilation failed to produce >> executable >> >> [...] >> /nile.build/botcazou/gcc-head/sparc-sun-solaris2.8/sparc-sun-solaris2.8/libstdc\ >> ++-v3/include/tuple:105:12: error: use of deleted >> function 'moveable::moveable(const moveable&)' >> /nile.build/botcazou/gcc-head/src/libstdc++-v3/testsuite/30_threads/call_once/49668.cc >> >> It can be reproduced with a cross-compiler targetting sparc-sun-solaris2.9 >> and >> the .ii file. I can open a PR if you want. > > I'll look into it - thanks >
Aha, this is a problem with all platforms where _GLIBCXX_HAVE_TLS is not defined, std::call_once uses std:function which assumes a copyable target object. I'm working on it ..
