Date: Mon, 25 Nov 2013 08:36:54 -0500 From: Glen Barber <gjb@FreeBSD.org> To: Dimitry Andric <dim@FreeBSD.org> Cc: Matthew Fleming <mdf@FreeBSD.org>, Brooks Davis <brooks@FreeBSD.org>, freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: Building with gcc? Message-ID: <20131125133654.GE2310@glenbarber.us> In-Reply-To: <65EE6ADD-78CB-4990-ABED-CCFCC4446C34@FreeBSD.org> References: <CAMBSHm-k%2B6md05aEJXLnGbbyg-WScseqLfjrpRutC4TFk7ir5Q@mail.gmail.com> <20131125013122.GE1627@glenbarber.us> <65EE6ADD-78CB-4990-ABED-CCFCC4446C34@FreeBSD.org>
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--RpqchZ26BWispMcB Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 25, 2013 at 01:59:03PM +0100, Dimitry Andric wrote: > On 25 Nov 2013, at 02:31, Glen Barber <gjb@freebsd.org> wrote: > > On Sun, Nov 24, 2013 at 05:28:05PM -0800, Matthew Fleming wrote: > >> I'm trying to test a change to gcc, and I'd like to do a full > >> buildworld/buildkernel using the gcc compiler. So I added this to my > >> /etc/src.conf (and make.conf, since I can't remember under which scena= rios > >> they're different): > >>=20 > >> WITHOUT_CLANG=3DYES > >> WITH_GCC=3DYES > >> WITH_GNUCXX=3DYES > >>=20 > >> and I started a buildworld. It's currently building clang. > >>=20 > >> Why is it building clang? > >>=20 > >=20 > > You also want WITHOUT_CLANG_IS_CC=3DYES. I have no reasonable explanat= ion > > for why it is different. >=20 > WITHOUT_CLANG and WITHOUT_CLANG_IS_CC were decoupled in r256915 by brooks: >=20 > "Stop conflating WITHOUT_CLANG with WITHOUT_CLANG_IS_CC. This allows > bootstrapping a copy of clang without building clang for the base system > which is useful for nanobsd and similar setups. It's still probably > wrong to conflate what is installed as /usr/bin/cc with the selection > of a bootstrap compiler under WITH*_CLANG_IS_CC, but that's for another > day." >=20 > I would still say that WITHOUT_CLANG implies that you cannot have clang > as cc, so maybe it would be better to error out in this case? >=20 Yes, that is what I meant by not having a reasonable explanation why. If WITHOUT_CLANG is set, WITHOUT_CLANG_IS_CC should (as it was before) be implied. Glen --RpqchZ26BWispMcB Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBCAAGBQJSk1J2AAoJELls3eqvi17Qi2UP/36esaOAq1yflWTcR6vndMCk nJkJBZMFuw6kPEfYVJ919JfBhy3jWa2LhNlck46sjsa1CZzGMiSENvs2F3nj2Qyq XtAOPS/HLhwJV6YjtaZ0J8jLR2X1QP73Q9ddN5UqBu+UB6oHy5RBWB0fYs/j1RRq GLn/c+u5MlCmhjPGaOaub6UuQ8bV1p3xBECOkPPO+ydbJ6aK9O04V7dhkaH7NvRN eulVacT4N8jj8H9G8Fx1jz4WG5tZ4fFvFZET+/HfPRo/D4I0FCMABaaTbliMuIQ1 LK2+hD2nMBNtQPQKWbl4YWs88hQst+ry+M/WyHHqZHwk8/mXJUcIRKlG4/ahLeiD PVXsIBRUIWl0NNVBnw4yRgw20mHX60xnZVIvIdG+9xKQ6XE7svqvTEe+pfbtvWft ET3ZAfntCosFrXTJvzngyh5qToT3zosXlh7aCvxv1Zl4ChDT3SCngmYjOEapmyBX 7RpftYbOzyXDJPXFgbSxCjQaOB7BOXTYHx4ng2qBLtcXEaAkaN6P7WhKLt5EKhjm nZcSBFd3/5zMrEcTgV98ORkMAH9WQUKwTxx1ZIjofktNgqOXtL6XeHn5vrKaOyTY YuLkb3BMT3grt46qvrlLVv0sctCDHOFvzgIDHk2eYgEsA1W4BG3J3+XPI/dmTjU8 Sa95OhHEiIKmDfd95vbq =weGh -----END PGP SIGNATURE----- --RpqchZ26BWispMcB--
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