From owner-svn-src-all@FreeBSD.ORG  Fri Apr 19 17:43:53 2013
Return-Path: <owner-svn-src-all@FreeBSD.ORG>
Delivered-To: svn-src-all@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org
 [IPv6:2001:1900:2254:206a::19:1])
 by hub.freebsd.org (Postfix) with ESMTP id 79593ECB;
 Fri, 19 Apr 2013 17:43:53 +0000 (UTC) (envelope-from dim@freebsd.org)
Received: from tensor.andric.com (tensor.andric.com
 [IPv6:2001:7b8:3a7:1:2d0:b7ff:fea0:8c26])
 by mx1.freebsd.org (Postfix) with ESMTP id 235305EB;
 Fri, 19 Apr 2013 15:57:37 +0000 (UTC)
Received: from [IPv6:2001:7b8:3a7::a412:6300:63d9:cff8] (unknown
 [IPv6:2001:7b8:3a7:0:a412:6300:63d9:cff8])
 (using TLSv1 with cipher AES128-SHA (128/128 bits))
 (No client certificate requested)
 by tensor.andric.com (Postfix) with ESMTPSA id A48015C44;
 Fri, 19 Apr 2013 17:57:34 +0200 (CEST)
Content-Type: text/plain; charset=iso-8859-1
Mime-Version: 1.0 (Mac OS X Mail 6.3 \(1503\))
Subject: Re: svn commit: r249484 - head/lib
From: Dimitry Andric <dim@freebsd.org>
In-Reply-To: <647B67E8-152A-47A8-89E4-E15075D20992@freebsd.org>
Date: Fri, 19 Apr 2013 17:57:11 +0200
Content-Transfer-Encoding: quoted-printable
Message-Id: <E1348EF7-D478-4E39-B180-7C6982F8BDF9@freebsd.org>
References: <201304141913.r3EJDqPI095965@svn.freebsd.org>
 <516D54F5.4010501@FreeBSD.org>
 <2A0FC59F-E043-4B4E-BABE-E16C6A1FBF5C@freebsd.org>
 <CACVs6=9QA_wiittSR2HGcOFaDj4VASgLHOimEGWyEcSt8UdBjA@mail.gmail.com>
 <475555FA-DF6A-42FA-990D-4224ECAEAE52@FreeBSD.org>
 <516E900B.9090300@FreeBSD.org>
 <BE32E940-D519-4B0B-B33F-8A8F33388EA9@freebsd.org>
 <1FEABB1B-ADDE-412A-9D40-F9FB2822B654@freebsd.org>
 <647B67E8-152A-47A8-89E4-E15075D20992@freebsd.org>
To: Tim Kientzle <kientzle@freebsd.org>
X-Mailer: Apple Mail (2.1503)
Cc: Ed Schouten <ed@80386.nl>, src-committers@freebsd.org,
 Juli Mallett <jmallett@freebsd.org>, svn-src-all@freebsd.org,
 Brooks Davis <brooks@freebsd.org>, svn-src-head@freebsd.org,
 Tijl Coosemans <tijl@freebsd.org>
X-BeenThere: svn-src-all@freebsd.org
X-Mailman-Version: 2.1.14
Precedence: list
List-Id: "SVN commit messages for the entire src tree \(except for &quot;
 user&quot; and &quot; projects&quot; \)" <svn-src-all.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/options/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-all>
List-Post: <mailto:svn-src-all@freebsd.org>
List-Help: <mailto:svn-src-all-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-all>,
 <mailto:svn-src-all-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 19 Apr 2013 17:43:53 -0000

On Apr 19, 2013, at 06:50, Tim Kientzle <kientzle@freebsd.org> wrote:
> On Apr 17, 2013, at 10:33 AM, Dimitry Andric wrote:
>=20
>> In any case, the layout has been like this since the initial clangbsd
>> import, and I never saw any reason to change it.  Maybe Ed can tell a
>> bit more, since he seems to have done the initial infrastructure =
setup.
>=20
> FreeBSD/ARM just switched from GCC to Clang, which is
> why this just got noticed.  U-Boot is used quite heavily for
> FreeBSD/ARM (and MIPS and PowerPC as well, I believe).
>=20
> Here are the options I see for getting
>   cc -print-file-name=3Dinclude
> to work again:
>=20
>  * Hack clang to handle -print-file-name=3Dinclude specially.
>    I did this for GCC already, but I'm not thrilled about it.
>=20
>  * Configure clang differently so that this option works.
>=20
>  * Symlink /usr/include to appear somewhere that clang expects.
>=20
>  * Rearrange our directory layout slightly to match clang's =
expectations.

You seem to have left out the most obvious one:

* Fixing U-Boot's configuration script(s) so they don't depend on =
undocumented compiler options.

I don't understand why we would want to go through all this trouble, =
just for telling U-Boot where a bunch of headers are located?  What =
happened to configure scripts with options, they did not disappear =
overnight, I hope?