It looks like mga_dga.c (line 32) references MGAStormSync even if XAA is disabled. But Makefile.am does not add mga_storm.c to mga_drv_la_SOURCES in this case.
It looks like mga_dga.c (line 32) references MGAStormSync even if XAA is disabled. But Makefile.am does not add mga_storm.c to mga_drv_la_SOURCES in this case.