Dne 30.6.2013 11:09, 张忠山 napsal(a): > When add a obj with dir to obj-y, like this > > obj-y += dir/file.o > > The $(obj)/dir not created, this patch fix this. > > When try to add a file(which in a subdir) to my board's obj-y, the build > progress crashed. > > For example, I use at91rm9200ek board, and in kernel dir run: > > mkdir objtree > make O=objtree at91rm9200_defconfig > mkdir arch/arm/mach-at91/dir > touch arch/arm/mach-at91/dir/file.c > > and edit arch/arm/mach-at91/dir/file.c to add some code. > then edit arch/arm/mach-at91/Makefile, change the following line: > > obj-$(CONFIG_MACH_AT91RM9200EK) += board-rm9200ek.o > > to: > > obj-$(CONFIG_MACH_AT91RM9200EK) += board-rm9200ek.o dir/file.o > > Now build it: > > make O=objtree > > Then the error appears: > ... > CC arch/arm/mach-at91/board-rm9200dk.o > CC arch/arm/mach-at91/board-rm9200ek.o > CC arch/arm/mach-at91/dir/file.o > linux-2.6/arch/arm/mach-at91/dir/file.c:5: > fatal error: opening dependency file > arch/arm/mach-at91/dir/.file.o.d: No such file or directory > > Check the objtree: > LANG=en ls objtree/arch/arm/mach-at91/dir > ls: cannot access objtree/arch/arm/mach-at91/dir: No such file or directory > > It's apparently that the target dir not created for file.o > > Check kbuild source code. It seems that kbuild create dirs for that in > $(obj-dirs). But if the dir need not to create a built-in.o, It should > never in $(obj-dirs). > > So I make this patch to make sure It in $(obj-dirs) > > this bug caused by commit > f5fb976520a53f45f8bbf2e851f16b3b5558d485 > --- You forgot to sign off this patch, can I add Signed-off-by: 张忠山 <zzs0213@xxxxxxxxx> like you did in the previous versions? Otherwise, the patch looks OK. Michal -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
