Date: Fri, 9 Nov 2012 19:12:36 +0200 From: Konstantin Belousov <kostikbel@gmail.com> To: Steve Kargl <sgk@troutmask.apl.washington.edu> Cc: freebsd-current@freebsd.org Subject: Re: clang and static linking? Message-ID: <20121109171236.GE73505@kib.kiev.ua> In-Reply-To: <20121109164304.GA61011@troutmask.apl.washington.edu> References: <20121108231349.GA79485@troutmask.apl.washington.edu> <20121108234932.GA56820@troutmask.apl.washington.edu> <20121109120012.GB73505@kib.kiev.ua> <20121109164304.GA61011@troutmask.apl.washington.edu>
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--sihESFlf63f/fzF3 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Nov 09, 2012 at 08:43:04AM -0800, Steve Kargl wrote: > On Fri, Nov 09, 2012 at 02:00:12PM +0200, Konstantin Belousov wrote: > > On Thu, Nov 08, 2012 at 03:49:32PM -0800, Steve Kargl wrote: > > >=20 > > > This appears to fix the problem. Don't know if this is > > > th right way to handle it. > > >=20 > > > Index: src/s_isnan.c > > > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D > > > --- src/s_isnan.c (revision 242701) > > > +++ src/s_isnan.c (working copy) > > > @@ -40,7 +40,6 @@ > > > > Is this patch against src/msun ? >=20 > Yes. >=20 > > This is only a workaround, which break ABI and older binaries. >=20 > Which leads to an interest question. With the major upheavel > of switching to clang, are there any ABI breaking changes that > would be desirable to commit? This would entail a major library > version bump. For starters, libc/gen/isnan.c could be removed. No, we do not want or allow for the ABI breakage, regardless of the compiler used or any other reason. ATM, clang breaks ABI on i386, but this was promised to be fixed. --sihESFlf63f/fzF3 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (FreeBSD) iEYEARECAAYFAlCdOYQACgkQC3+MBN1Mb4j8gwCfc/eIxSVNsiXVh5mUw6f146vR ZLQAn1EMd1HJAnsEb2gmotQoDEb/uK8y =/XzJ -----END PGP SIGNATURE----- --sihESFlf63f/fzF3--
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