Re: [PATCH 3/6] samples: use uapiprogs support for seccomp

[Masahiro Yamada <yamada.m@jp.panasonic.com>]

Hi Sam,


On Sun, 13 Jul 2014 20:42:51 +0200
Sam Ravnborg <sam@ravnborg.org> wrote:

> Reduce complexity of seccomp Makefile by introducing use of uapiprogs support.
> Build testet with i686 only.

tested ?

(Ditto in 4/6)



> --- a/samples/seccomp/Makefile
> +++ b/samples/seccomp/Makefile
> @@ -1,48 +1,4 @@
> -# kbuild trick to avoid linker error. Can be omitted if a module is built.
> -obj- := dummy.o
> +uapiprogs-$(CONFIG_SECCOMP_FILTER) := bpf-fancy dropper bpf-direct
>  
> -hostprogs-$(CONFIG_SECCOMP_FILTER) := bpf-fancy dropper bpf-direct
> +bpf-fancy-y := bpf-fancy.o bpf-helper.o
>  
> -HOSTCFLAGS_bpf-fancy.o += -I$(objtree)/usr/include
> -HOSTCFLAGS_bpf-fancy.o += -idirafter $(objtree)/include
> -HOSTCFLAGS_bpf-helper.o += -I$(objtree)/usr/include
> -HOSTCFLAGS_bpf-helper.o += -idirafter $(objtree)/include
> -bpf-fancy-objs := bpf-fancy.o bpf-helper.o
> -



I am interested in this series.

Forgive me if I am asking a stupid question..


How can I build hostprogs for the same host as the kernel?
(I mean, how can I override $(HOSTCC) for cross-compiling ?)


Best Regards
Masahiro Yamada