From owner-svn-src-head@FreeBSD.ORG  Fri Sep  6 20:11:45 2013
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits))
 (No client certificate requested)
 by hub.freebsd.org (Postfix) with ESMTP id 226B25CA;
 Fri,  6 Sep 2013 20:11:45 +0000 (UTC)
 (envelope-from nwhitehorn@freebsd.org)
Received: from anacreon.physics.wisc.edu (unknown
 [IPv6:2607:f388:101c:0:216:cbff:fe39:3fae])
 (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
 (No client certificate requested)
 by mx1.freebsd.org (Postfix) with ESMTPS id DFCB52167;
 Fri,  6 Sep 2013 20:11:44 +0000 (UTC)
Received: from anacreon.physics.wisc.edu (localhost [IPv6:::1])
 by anacreon.physics.wisc.edu (8.14.7/8.14.7) with ESMTP id r86KBhDm003871;
 Fri, 6 Sep 2013 15:11:43 -0500 (CDT)
 (envelope-from nwhitehorn@freebsd.org)
Message-ID: <522A36FF.6050209@freebsd.org>
Date: Fri, 06 Sep 2013 15:11:43 -0500
From: Nathan Whitehorn <nwhitehorn@freebsd.org>
User-Agent: Mozilla/5.0 (X11; FreeBSD powerpc;
 rv:17.0) Gecko/20130402 Thunderbird/17.0.4
MIME-Version: 1.0
To: David Chisnall <theraven@FreeBSD.org>
Subject: Re: svn commit: r255321 - in head: contrib/llvm/tools/clang/lib/Driver
 gnu/lib gnu/usr.bin/cc share/mk sys/sys tools/build/options
References: <201309062008.r86K836C048843@svn.freebsd.org>
In-Reply-To: <201309062008.r86K836C048843@svn.freebsd.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
 src-committers@freebsd.org
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
 <svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
 <mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 06 Sep 2013 20:11:45 -0000

On 09/06/13 15:08, David Chisnall wrote:
> Author: theraven
> Date: Fri Sep  6 20:08:03 2013
> New Revision: 255321
> URL: http://svnweb.freebsd.org/changeset/base/255321
>
> Log:
>   On platforms where clang is the default compiler, don't build gcc or libstdc++.
>   To enable them, set WITH_GCC and WITH_GNUCXX in src.conf.
>   Make clang default to using libc++ on FreeBSD 10.
>   Bumped __FreeBSD_version for the change.
>  . 

>
> Modified: head/share/mk/bsd.own.mk
> ==============================================================================
> --- head/share/mk/bsd.own.mk	Fri Sep  6 18:41:57 2013	(r255320)
> +++ head/share/mk/bsd.own.mk	Fri Sep  6 20:08:03 2013	(r255321)
> @@ -284,7 +284,6 @@ __DEFAULT_YES_OPTIONS = \
>      FP_LIBC \
>      FREEBSD_UPDATE \
>      GAMES \
> -    GCC \
>      GCOV \
>      GDB \
>      GNU \
> @@ -400,6 +399,11 @@ __T=${TARGET_ARCH}
>  .else
>  __T=${MACHINE_ARCH}
>  .endif
> +.if defined(TARGET)
> +__TT=${TARGET}
> +.else
> +__TT=${MACHINE_ARCH}
> +.endif

Don't you mean MACHINE here? Otherwise native builds on pc98 will fail
due to:

> +# The pc98 bootloader requires gcc to build and so we must leave gcc enabled
> +# for pc98 for now.
> +.if ${__TT} == "pc98"
> +__DEFAULT_NO_OPTIONS+=GNUCXX
> +__DEFAULT_YES_OPTIONS+=GCC
> +.else
> +__DEFAULT_NO_OPTIONS+=GCC GNUCXX
> +.endif
>
 this section, where __TT will be "i386" when built natively on pc98
systems.
-Nathan