synapse@darkside:~/Desktop/OSVR-Vive/build$ make
Scanning dependencies of target ViveLoaderLib
[ 4%] Building CXX object CMakeFiles/ViveLoaderLib.dir/ChaperoneData.cpp.o
[ 8%] Building CXX object CMakeFiles/ViveLoaderLib.dir/DriverContext.cpp.o
[ 13%] Building CXX object CMakeFiles/ViveLoaderLib.dir/DriverLoader.cpp.o
[ 17%] Building CXX object CMakeFiles/ViveLoaderLib.dir/DriverLog.cpp.o
[ 21%] Building CXX object CMakeFiles/ViveLoaderLib.dir/DriverManager.cpp.o
[ 26%] Building CXX object CMakeFiles/ViveLoaderLib.dir/FindDriver.cpp.o
[ 30%] Building CXX object CMakeFiles/ViveLoaderLib.dir/Properties.cpp.o
In file included from /usr/include/c++/5/bits/hashtable.h:35:0,
from /usr/include/c++/5/unordered_map:47,
from /home/synapse/Desktop/OSVR-Vive/vendor/util-headers/util/KVDataStore.h:38,
from /home/synapse/Desktop/OSVR-Vive/Properties.h:30,
from /home/synapse/Desktop/OSVR-Vive/Properties.cpp:26:
/usr/include/c++/5/bits/hashtable_policy.h: In instantiation of ‘struct std::detail::is_noexcept_hash<vr::ETrackedDeviceProperty, std::hash<vr::ETrackedDeviceProperty> >’:
/usr/include/c++/5/typetraits:137:12: required from ‘struct std::__and<std::__is_fast_hash<std::hash<vr::ETrackedDeviceProperty> >, std::detail::is_noexcept_hash<vr::ETrackedDeviceProperty, std::hash<vr::ETrackedDeviceProperty> > >’
/usr/include/c++/5/typetraits:148:38: required from ‘struct std::__not<std::__and_<std::__is_fast_hash<std::hash<vr::ETrackedDeviceProperty> >, std::detail::is_noexcept_hash<vr::ETrackedDeviceProperty, std::hash<vr::ETrackedDeviceProperty> > > >’
/usr/include/c++/5/bits/unordered_map.h:100:66: required from ‘class std::unordered_map<vr::ETrackedDeviceProperty, boost::variant<bool, float, int, long unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, vr::HmdMatrix34_t, vr::HmdVector2_t>, std::hash<vr::ETrackedDeviceProperty>, std::equal_to<vr::ETrackedDeviceProperty>, std::allocator<std::pair<const vr::ETrackedDeviceProperty, boost::variant<bool, float, int, long unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, vr::HmdMatrix34_t, vr::HmdVector2_t> > > >’
/home/synapse/Desktop/OSVR-Vive/vendor/util-headers/util/KVDataStore.h:47:63: required from ‘class osvr::util::KVDataStore<vr::ETrackedDeviceProperty, boost::variant<bool, float, int, long unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, vr::HmdMatrix34_t, vr::HmdVector2_t> >’
/home/synapse/Desktop/OSVR-Vive/Properties.cpp:100:15: required from here
/usr/include/c++/5/bits/hashtable_policy.h:85:34: error: no match for call to ‘(const std::hash<vr::ETrackedDeviceProperty>) (const vr::ETrackedDeviceProperty&)’
noexcept(declval<const _Hash&>()(declval<const _Key&>()))>
^
In file included from /usr/include/c++/5/bits/move.h:57:0,
from /usr/include/c++/5/bits/stl_pair.h:59,
from /usr/include/c++/5/bits/stl_algobase.h:64,
from /usr/include/c++/5/memory:62,
from /home/synapse/Desktop/OSVR-Core/inc/osvr/Util/SharedPtr.h:63,
from /home/synapse/Desktop/OSVR-Core/inc/osvr/Util/Log.h:32,
from /home/synapse/Desktop/OSVR-Core/inc/osvr/Util/Logger.h:33,
from /home/synapse/Desktop/OSVR-Vive/Properties.h:29,
from /home/synapse/Desktop/OSVR-Vive/Properties.cpp:26:
/usr/include/c++/5/typetraits: In instantiation of ‘struct std::__not<std::__and_<std::__is_fast_hash<std::hash<vr::ETrackedDeviceProperty> >, std::detail::is_noexcept_hash<vr::ETrackedDeviceProperty, std::hash<vr::ETrackedDeviceProperty> > > >’:
/usr/include/c++/5/bits/unordered_map.h:100:66: required from ‘class std::unordered_map<vr::ETrackedDeviceProperty, boost::variant<bool, float, int, long unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, vr::HmdMatrix34_t, vr::HmdVector2_t>, std::hash<
