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[Launchpad Bug Tracker <1430784@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package unity -
7.3.2+15.04.20150324.1-0ubuntu1

---------------
unity (7.3.2+15.04.20150324.1-0ubuntu1) vivid; urgency=medium

  [ Stephen M. Webb ]
  * Upstream release 7.3.2.
  * fix AP test failure due to new parameter added to key grabbing (LP:
    #1433648)
  * silenced GCC 5 warnings (LP: #1430784)
  * uses the new upstream .desktop file for D-Bus activated Nautilus
    instances (LP: #1428837)

  [ Brandon Schaefer ]
  * When we quit the quicklist it would check if the mouse was over the
    launcher, if it wasn't it would fold the launcher. We don't need to
    check this if we are in keynav as we want all the icons to be
    unfolded. (LP: #1246891)

  [ CI Train Bot ]
  * New rebuild forced.

  [ Chris Townsend ]
  * Use a 2 second delay before showing the first run shortcut hints to
    workaround a race condition on input handling. (LP: #1313597)

  [ Marco Trevisan (Treviño) ]
  * GnomeKeyGrabber: add timestamp support to accelerators (LP:
    #1433648)
 -- CI Train Bot <ci-train-bot@xxxxxxxxxxxxx>   Tue, 24 Mar 2015 16:09:14 +0000

** Changed in: unity (Ubuntu)
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1430784

Title:
  FTBFS using GCC-5

Status in Unity:
  In Progress
Status in unity package in Ubuntu:
  Fix Released

Bug description:
  Unity fails to build from source using GCC 5.0 or later.

  An excerpt from the failing build log follows.

  /build/buildd/unity-7.3.1+15.04.20150126/hud/HudController.cpp:160:96:   required from here
  /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89:30: error: no match for call to '(sigc::bound_mem_functor1<void, unity::hud::Controller, bool>) (std::nullptr_t&)'
       { return functor_(_A_arg1); }
                                ^
  In file included from /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:9:0,
                   from /usr/include/sigc++-2.0/sigc++/functors/slot.h:7,
                   from /usr/include/sigc++-2.0/sigc++/signal_base.h:27,
                   from /usr/include/sigc++-2.0/sigc++/signal.h:8,
                   from /usr/include/Nux-4.0/NuxCore/Object.h:30,
                   from /usr/include/Nux-4.0/NuxCore/NuxCore.h:730,
                   from /usr/include/Nux-4.0/Nux/Nux.h:26,
                   from /build/buildd/unity-7.3.1+15.04.20150126/hud/pch/hud_pch.hh:28:
  /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1855:12: note: candidate: T_return sigc::bound_mem_functor1<T_return, T_obj, T_arg1>::operator()(typename sigc::type_trait<T_arg3>::take) const [with T_return = void; T_obj = unity::hud::Controller; T_arg1 = bool; typename sigc::type_trait<T_arg3>::take = const bool&] <near match>
     T_return operator()(typename type_trait<T_arg1>::take _A_a1) const
              ^
  /usr/include/sigc++-2.0/sigc++/functors/mem_fun.h:1855:12: note:   conversion of argument 1 would be ill-formed:
  In file included from /usr/include/sigc++-2.0/sigc++/functors/slot.h:7:0,
                   from /usr/include/sigc++-2.0/sigc++/signal_base.h:27,
                   from /usr/include/sigc++-2.0/sigc++/signal.h:8,
                   from /usr/include/Nux-4.0/NuxCore/Object.h:30,
                   from /usr/include/Nux-4.0/NuxCore/NuxCore.h:730,
                   from /usr/include/Nux-4.0/Nux/Nux.h:26,
                   from /build/buildd/unity-7.3.1+15.04.20150126/hud/pch/hud_pch.hh:28:
  /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89:30: error: converting to 'bool' from 'std::nullptr_t' requires direct-initialization [-fpermissive]
       { return functor_(_A_arg1); }
                                ^
  /usr/include/sigc++-2.0/sigc++/adaptors/adaptor_trait.h:89:30: error: return-statement with a value, in function returning 'void' [-fpermissive]
  hud/CMakeFiles/hud-lib.dir/build.make:103: recipe for target 'hud/CMakeFiles/hud-lib.dir/HudController.cpp.o' failed

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