Looks like the offending change was:
gcc-4.9 (4.9.1-14ubuntu2) utopic; urgency=medium
* Merge with Debian; remaining changes:
- Build from upstream sources.
gcc-4.9 (4.9.1-14) unstable; urgency=medium
* Update to SVN 20140912 (r215228) from the gcc-4_9-branch.
* Update the Linaro support to the 4.9-2014.09 release.
* Fix installation of the libstdc++ documentation. Closes: #760872.
-- Matthias Klose <d...@ubuntu.com> Fri, 12 Sep 2014 15:20:06 +0200
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https://bugs.launchpad.net/bugs/1369389
Title:
Suddenly, Mir FTBFS on utopic: auto_unblock_thread.h:44:46: error: no
matching function for call to ‘std::thread::thread(<brace-enclosed
initializer list>)’
Status in Mir:
In Progress
Status in Mir 0.7 series:
In Progress
Status in “mir” package in Ubuntu:
Triaged
Bug description:
Since updating my utopic build machine today, Mir no longer builds:
In file included from
/home/dan/bzr/mir/dev/tests/unit-tests/compositor/test_buffer_queue.cpp:26:0:
/home/dan/bzr/mir/dev/tests/include/mir_test/auto_unblock_thread.h: In
instantiation of ‘mir::test::AutoUnblockThread::AutoUnblockThread(const
std::function<void()>&, Callable&&, Args&& ...) [with Callable = void
(&)(mir::compositor::BufferQueue&, std::atomic<bool>&); Args =
{std::reference_wrapper<mir::compositor::BufferQueue>,
std::reference_wrapper<std::atomic<bool> >}]’:
/home/dan/bzr/mir/dev/tests/unit-tests/compositor/test_buffer_queue.cpp:426:59:
required from here
/home/dan/bzr/mir/dev/tests/include/mir_test/auto_unblock_thread.h:44:46:
error: no matching function for call to ‘std::thread::thread(<brace-enclosed
initializer list>)’
: unblock{unblock}, thread{f, args...}
^
/home/dan/bzr/mir/dev/tests/include/mir_test/auto_unblock_thread.h:44:46:
note: candidates are:
In file included from
/home/dan/bzr/mir/dev/tests/include/mir_test/auto_unblock_thread.h:29:0,
from
/home/dan/bzr/mir/dev/tests/unit-tests/compositor/test_buffer_queue.cpp:26:
/usr/include/c++/4.9/thread:133:7: note: std::thread::thread(_Callable&&,
_Args&& ...) [with _Callable = void (&)(mir::compositor::BufferQueue&,
std::atomic<bool>&); _Args =
{std::reference_wrapper<mir::compositor::BufferQueue>&&&,
std::reference_wrapper<std::atomic<bool> >&&&}]
thread(_Callable&& __f, _Args&&... __args)
^
/usr/include/c++/4.9/thread:133:7: note: no known conversion for argument 2
from ‘std::reference_wrapper<mir::compositor::BufferQueue>&&’ to
‘std::reference_wrapper<mir::compositor::BufferQueue>&&&’
/usr/include/c++/4.9/thread:128:5: note: std::thread::thread(std::thread&&)
thread(thread&& __t) noexcept
^
/usr/include/c++/4.9/thread:128:5: note: candidate expects 1 argument, 3
provided
/usr/include/c++/4.9/thread:122:5: note: std::thread::thread()
thread() noexcept = default;
^
....
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