Build failure: no viable conversion...

[alphapapa]

System:

• Nheko commit/version: ece20dd
• Operating System: Ubuntu Trusty 14.04
• Qt version: 5.9
• C++ compiler: clang 3.6

[ 65%] Building CXX object CMakeFiles/nheko.dir/src/RoomList.cc.o
/home/me/tmp/src/nheko/src/RoomInfoListItem.cc:61:18: error: no viable conversion from 'typename std::remove_reference<InvitedRoom &>::type' (aka 'mtx::responses::InvitedRoom') to 'std::vector<events::collections::StrippedEvents>'
  , invitedRoom_{std::move(room)}
                 ^~~~~~~~~~~~~~~
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:320:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'const std::vector<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>,
      mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>, mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>,
      mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>, mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>,
      mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>, mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> >,
      std::allocator<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>, mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>,
      mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>, mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>,
      mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>, mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>,
      mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> > > > &' for 1st argument
      vector(const vector& __x)
      ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:337:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'std::vector<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>,
      mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>, mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>,
      mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>, mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>,
      mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>, mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> >,
      std::allocator<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>, mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>,
      mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>, mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>,
      mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>, mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>,
      mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> > > > &&' for 1st argument
      vector(vector&& __x) noexcept
      ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:375:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'initializer_list<value_type>' for 1st argument
      vector(initializer_list<value_type> __l,
      ^
[ 66%] Building CXX object CMakeFiles/nheko.dir/src/RoomMessages.cc.o
[ 66%] Building CXX object CMakeFiles/nheko.dir/src/RoomState.cc.o
1 error generated.
make[2]: *** [CMakeFiles/nheko.dir/src/RoomInfoListItem.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/home/me/tmp/src/nheko/build'
make[1]: *** [CMakeFiles/nheko.dir/all] Error 2
make[1]: Leaving directory `/home/me/tmp/src/nheko/build'
make: *** [all] Error 2
make: Leaving directory `/home/me/tmp/src/nheko/build'

[alphapapa]

Still happens on latest commit:

[ 65%] Building CXX object CMakeFiles/nheko.dir/src/RoomList.cc.o
[ 66%] Building CXX object CMakeFiles/nheko.dir/src/RoomMessages.cc.o
/home/me/tmp/src/nheko/src/RoomInfoListItem.cc:61:18: error: no viable conversion from 'typename std::remove_reference<InvitedRoom &>::type' (aka 'mtx::responses::InvitedRoom') to 'std::vector<events::collections::StrippedEvents>'
  , invitedRoom_{std::move(room)}
                 ^~~~~~~~~~~~~~~
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:320:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'const std::vector<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>,
      mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>, mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>,
      mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>, mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>,
      mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>, mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> >,
      std::allocator<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>, mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>,
      mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>, mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>,
      mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>, mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>,
      mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> > > > &' for 1st argument
      vector(const vector& __x)
      ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:337:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'std::vector<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>,
      mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>, mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>,
      mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>, mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>,
      mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>, mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> >,
      std::allocator<mpark::variant<mtx::events::StrippedEvent<mtx::events::state::Aliases>, mtx::events::StrippedEvent<mtx::events::state::Avatar>, mtx::events::StrippedEvent<mtx::events::state::CanonicalAlias>,
      mtx::events::StrippedEvent<mtx::events::state::Create>, mtx::events::StrippedEvent<mtx::events::state::GuestAccess>, mtx::events::StrippedEvent<mtx::events::state::HistoryVisibility>,
      mtx::events::StrippedEvent<mtx::events::state::JoinRules>, mtx::events::StrippedEvent<mtx::events::state::Member>, mtx::events::StrippedEvent<mtx::events::state::Name>, mtx::events::StrippedEvent<mtx::events::state::PinnedEvents>,
      mtx::events::StrippedEvent<mtx::events::state::PowerLevels>, mtx::events::StrippedEvent<mtx::events::state::Topic> > > > &&' for 1st argument
      vector(vector&& __x) noexcept
      ^
/usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/stl_vector.h:375:7: note: candidate constructor not viable: no known conversion from 'typename std::remove_reference<InvitedRoom &>::type'
      (aka 'mtx::responses::InvitedRoom') to 'initializer_list<value_type>' for 1st argument
      vector(initializer_list<value_type> __l,
      ^
[ 66%] Building CXX object CMakeFiles/nheko.dir/src/RoomState.cc.o
1 error generated.
make[2]: *** [CMakeFiles/nheko.dir/src/RoomInfoListItem.cc.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[2]: Leaving directory `/home/me/tmp/src/nheko/build'
make[1]: *** [CMakeFiles/nheko.dir/all] Error 2
make[1]: Leaving directory `/home/me/tmp/src/nheko/build'
make: *** [all] Error 2
make: Leaving directory `/home/me/tmp/src/nheko/build'

Thanks.

[mujx]

This is most likely an issue with the compiler (newer version is required).

[alphapapa]

I was able to install Clang 3.8 from Ubuntu's repos and it worked. Thanks.