surfaceflinger_screeninfo.cpp: In constructor '{anonymous}::SurfaceFlingerScreenInfoAndroidSource::SurfaceFlingerScreenInfoAndroidSource(size_t)':
surfaceflinger_screeninfo.cpp:135:30: error: aggregate '{anonymous}::SurfaceFlingerScreenInfoAndroidSource::SurfaceFlingerScreenInfoAndroidSource(size_t)::SfDisplayInfo display_info' has incomplete type and cannot be defined
         struct SfDisplayInfo display_info;
                              ^
surfaceflinger_screeninfo.cpp:136:58: error: 'sf_get_display_info' was not declared in this scope
         if (sf_get_display_info(display_id, &display_info) == 0) {
                                                          ^