On some compiler versions, this caused an error:
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_DPad_X’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_DPad_Y’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_DPad2_X’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_DPad2_Y’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_Analog_X’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_Analog_Y’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_Trigger_Left’
../../core/linux-dist/evdev_mappings.cpp:57:3: error: uninitialized
const member ‘s_evdev_controller_mapping::Axis_Trigger_Right’