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Date: Thu, 17 Jul 2014 12:40:46 +0900 From: Masahiro Yamada <yamada.m@...panasonic.com> To: Sam Ravnborg <sam@...nborg.org> Cc: Michal Marek <mmarek@...e.cz>, linux-kbuild <linux-kbuild@...r.kernel.org>, lkml <linux-kernel@...r.kernel.org>, Thierry Reding <thierry.reding@...il.com>, Stephen Rothwell <sfr@...b.auug.org.au>, David Herrmann <dh.herrmann@...glemail.com>, Jiri Kosina <jkosina@...e.cz> Subject: Re: [PATCH 3/6] samples: use uapiprogs support for seccomp On Wed, 16 Jul 2014 12:31:21 +0200 Sam Ravnborg <sam@...nborg.org> wrote: > > How can I build hostprogs for the same host as the kernel? > > (I mean, how can I override $(HOSTCC) for cross-compiling ?) > > One way to do this: > > make ARCH=sparc CROSS_COMPILE=sparc-leon-linux-gnu- HOSTCC=sparc-leon-linux-gnu-gcc > > Notice that I override HOSTCC as part of the make comand line. > This allows me to override the "=" assignment in the top-level Makefile. > > But then my build breaks as fixdep do not run on my host. > > If you in general want to build a binary for the target then uapiprogs come in handy. > Only caveat here is that you will be using the exported kernel headers. > Thanks for explaining this. It is clearer to me now. At first I thought this patch was a clean-up, but it is indeed a big improvement. Thanks! Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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