CC              src/dbus.o
src/dbus.c: In function ‘dbus_emit_signal’:
src/dbus.c:80:8: error: ignoring return value of ‘write’, declared with attribute warn_unused_result [-Werror=unused-result]
   write(dbus_pipe.wr, "s", 1); /* do not wait here - no tvh_write() */
        ^
cc1: all warnings being treated as errors
make[2]: *** [/usr/src/tvheadend/build.linux/src/dbus.o] Error 1
make[2]: Leaving directory `/usr/src/tvheadend'
make[1]: *** [override_dh_auto_build] Error 2
make[1]: Leaving directory `/usr/src/tvheadend'
make: *** [build] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2