netdev - Re: [net-next PATCH V2 1/5] samples/bpf: add back functionality to redefine LLC command

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Message-ID: <20160426172810.GB42777@ast-mbp.thefacebook.com>
Date:	Tue, 26 Apr 2016 10:28:12 -0700
From:	Alexei Starovoitov <alexei.starovoitov@...il.com>
To:	Jesper Dangaard Brouer <brouer@...hat.com>
Cc:	netdev@...r.kernel.org, linux-kbuild@...r.kernel.org,
	bblanco@...mgrid.com, naveen.n.rao@...ux.vnet.ibm.com,
	borkmann@...earbox.net
Subject: Re: [net-next PATCH V2 1/5] samples/bpf: add back functionality to
 redefine LLC command

On Tue, Apr 26, 2016 at 06:27:11PM +0200, Jesper Dangaard Brouer wrote:
> It is practical to be-able-to redefine the location of the LLVM
> command 'llc', because not all distros have a LLVM version with bpf
> target support.  Thus, it is sometimes required to compile LLVM from
> source, and sometimes it is not desired to overwrite the distros
> default LLVM version.
> 
> This feature was removed with 128d1514be35 ("samples/bpf: Use llc in
> PATH, rather than a hardcoded value").
> 
> Add this features back. Note that it is possible to redefine the LLC
> on the make command like:
> 
>  make samples/bpf/ LLC=~/git/llvm/build/bin/llc
> 
> Fixes: 128d1514be35 ("samples/bpf: Use llc in PATH, rather than a hardcoded value")
> Signed-off-by: Jesper Dangaard Brouer <brouer@...hat.com>

Acked-by: Alexei Starovoitov <ast@...nel.org>