On Tue, Aug 20, 2013 at 6:50 PM, Randy Dunlap <rdunlap@xxxxxxxxxxxxx> wrote: > On 08/20/13 09:42, Peter Senna Tschudin wrote: >> I do not have cross compile environment but I'm curious how the >> Makefile rule works: >> >> linux-next]$ cat drivers/net/ethernet/arc/Makefile >> >> obj-$(CONFIG_ARC_EMAC) += arc_emac.o >> >> There is no file named arc_emac.h and arc_emac.c at >> drivers/net/ethernet/arc, so what does that line do? > > It uses the rule from the previous line in the Makefile. > Both lines are: > > arc_emac-objs := emac_main.o emac_mdio.o > obj-$(CONFIG_ARC_EMAC) += arc_emac.o > > > Any xyz-objs defines the files to be used to build xyz.o. > > Is that clear yet? Thanks! > > > -- > ~Randy -- Peter _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
