Mine
public text v1 · immutable/home/james/alsa-driver/include/log2_compat.h:9: warning: return type defaults to int
make[3]: *** [/home/james/alsa-driver/acore/rtctimer.o] Error 1
make[2]: *** [/home/james/alsa-driver/acore] Error 2
make[1]: *** [_module_/home/james/alsa-driver] Error 2
make[1]: Leaving directory `/usr/src/linux-headers-2.6.15-28-686'
make: *** [compile] Error 2