From owner-freebsd-current@freebsd.org  Fri Oct 16 00:31:16 2015
Return-Path: <owner-freebsd-current@freebsd.org>
Delivered-To: freebsd-current@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 3FF19A168FC
 for <freebsd-current@mailman.ysv.freebsd.org>;
 Fri, 16 Oct 2015 00:31:16 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org
 [IPv6:2001:1900:2254:206a::50:5])
 by mx1.freebsd.org (Postfix) with ESMTP id 279831D13
 for <freebsd-current@freebsd.org>; Fri, 16 Oct 2015 00:31:16 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: by mailman.ysv.freebsd.org (Postfix)
 id 26EC7A168FB; Fri, 16 Oct 2015 00:31:16 +0000 (UTC)
Delivered-To: current@mailman.ysv.freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by mailman.ysv.freebsd.org (Postfix) with ESMTP id 25975A168FA
 for <current@mailman.ysv.freebsd.org>; Fri, 16 Oct 2015 00:31:16 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: from wonkity.com (wonkity.com [67.158.26.137])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (Client CN "wonkity.com", Issuer "wonkity.com" (not verified))
 by mx1.freebsd.org (Postfix) with ESMTPS id DD43F1D10;
 Fri, 16 Oct 2015 00:31:15 +0000 (UTC)
 (envelope-from wblock@wonkity.com)
Received: from wonkity.com (localhost [127.0.0.1])
 by wonkity.com (8.15.2/8.15.2) with ESMTPS id t9G0VEjE004452
 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO);
 Thu, 15 Oct 2015 18:31:14 -0600 (MDT)
 (envelope-from wblock@wonkity.com)
Received: from localhost (wblock@localhost)
 by wonkity.com (8.15.2/8.15.2/Submit) with ESMTP id t9G0VEYB004449;
 Thu, 15 Oct 2015 18:31:14 -0600 (MDT)
 (envelope-from wblock@wonkity.com)
Date: Thu, 15 Oct 2015 18:31:14 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Bryan Drewery <bdrewery@FreeBSD.org>
cc: current@FreeBSD.org
Subject: Re: [CFT] Buildworld ccache support
In-Reply-To: <561FC81B.1090309@FreeBSD.org>
Message-ID: <alpine.BSF.2.20.1510151830560.3711@wonkity.com>
References: <561FC81B.1090309@FreeBSD.org>
User-Agent: Alpine 2.20 (BSF 67 2015-01-07)
MIME-Version: 1.0
Content-Type: text/plain; charset=US-ASCII; format=flowed
X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.4.3
 (wonkity.com [127.0.0.1]); Thu, 15 Oct 2015 18:31:14 -0600 (MDT)
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.20
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
 <freebsd-current.freebsd.org>
List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-current>, 
 <mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 16 Oct 2015 00:31:16 -0000

On Thu, 15 Oct 2015, Bryan Drewery wrote:

> Hi,
>
> If you are interested in using ccache in buildworld please consider
> using this patch locally and giving me some feedback.  The current
> advice for ccache+buildworld (the CC:= trick in make.conf) actually
> results in the build thinking you are using a cross-compiler which
> results in unintended side-effects.  It also doesn't work with meta mode
> as it handles CC and toolchain differently.  This patch intends to cover
> all cases.
>
> https://people.freebsd.org/~bdrewery/patches/world-ccache.diff
>
> To use just set WITH_CCACHE_BUILD= in src.conf or make.conf.  I
> purposely matched it to the same as the ports build.

Will this work on -stable?