Thanks. This issue is fixed now. In 2.6.31 the directory include/asm-mips is moved as arch/mips/include/asm/. I need to change my Makefile accordingly. On Fri, 16 Oct 2009 16:50 -0700, "David Daney" <ddaney@xxxxxxxxxxxxxxxxxx> wrote: > mips-linux questions will get more attention if you send them to > linux-mips@xxxxxxxxxxxxxxx > > > myuboot@xxxxxxxxxxx wrote: > > I am trying to use buildroot 2009.08 to compile kernel 2.6.31 for mips, > > but it fails to error -" war.h can't be found". I used the same > > buildroot to build kernel version 2.6.29 with no problem. > > > > Please give me some suggestion on how to fix this issue. The file > > ./arch/mips/include/asm/war.h is there with no problem. Thanks a lot. > > > [...] > > CC arch/mips/kernel/asm-offsets.s > > In file included from > > /home/root123/sources/buildroot-2009.08-k/project_build_mips/f1/linux-2.6.31/arch/mips/include/asm/bitops.h:24, > > from include/linux/bitops.h:17, > > from include/linux/kernel.h:15, > > from include/linux/sched.h:52, > > from arch/mips/kernel/asm-offsets.c:13: > > What does your .config look like? > > Also try make V=1 so we can see the exact compiler command line that the > build process is generating. > > David Daney