Date: Mon, 30 Aug 2010 12:04:21 -0700 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Alexander Kabaev <kabaev@gmail.com> Cc: Boris Kochergin <spawk@acm.poly.edu>, freebsd-current@freebsd.org Subject: Re: symbol versioning on libgcc? Message-ID: <20100830190421.GA45631@troutmask.apl.washington.edu> In-Reply-To: <20100830145116.6e2cbe3a@kan.dnsalias.net> References: <20100830173206.GA44788@troutmask.apl.washington.edu> <4C7BEC03.7030104@acm.poly.edu> <20100830145116.6e2cbe3a@kan.dnsalias.net>
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On Mon, Aug 30, 2010 at 02:51:16PM -0400, Alexander Kabaev wrote: > On Mon, 30 Aug 2010 13:36:03 -0400 > Boris Kochergin <spawk@acm.poly.edu> wrote: > > > Steve Kargl wrote: > > > I know that several libraries in FreeBSD > > > uses symbol versioning. In looking through > > > src/ I was unable to determine whether > > > symbol versioning is used on libgcc. Any > > > guidance would be appreciated. > > > > > > > > > > I don't think it is. I haven't poked at any sources, but there are no > > FBSD* symbols in /usr/lib/libgcc_s.so, which is what's used in symbol > > versioning in, say, /lib/libc.so.7. > > > > -Boris > > And above is wrong. Just for the record. What FBSD* symbol versions > have to do with the library independently versioned by FSF? > I'm trying to test a gfortran 4.6.0 patch that implements REAL(16), which means that TFmode needs to be supported. The GCC infrastructure currently does not build with TFmode on FreeBSD, and so a patch has been created. The last item that needs attention is symbol versioning. See the thread starting at http://gcc.gnu.org/ml/fortran/2010-08/msg00431.html -- Steve
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