Date: Tue, 12 Nov 2013 12:19:22 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: Dimitry Andric <dim@FreeBSD.org> Cc: freebsd-current@FreeBSD.org, David Chisnall <theraven@FreeBSD.org> Subject: Re: Are clang++ and libc++ compatible? Message-ID: <20131112201922.GA4330@troutmask.apl.washington.edu> In-Reply-To: <20131112175556.GA3319@troutmask.apl.washington.edu> References: <20131112163219.GA2834@troutmask.apl.washington.edu> <77CB2B92-216A-4C80-B033-7E582B5F0DFC@FreeBSD.org> <20131112165422.GA2939@troutmask.apl.washington.edu> <E0FE40D9-726C-4501-B31A-3622510C1C68@FreeBSD.org> <20131112175556.GA3319@troutmask.apl.washington.edu>
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On Tue, Nov 12, 2013 at 09:55:56AM -0800, Steve Kargl wrote:
> On Tue, Nov 12, 2013 at 06:37:39PM +0100, Dimitry Andric wrote:
> > On 12 Nov 2013, at 17:54, Steve Kargl <sgk@troutmask.apl.washington.edu> wrote:
> > >
> > > struct Entry {
> > > time_t date;
> > > Severity severity;
> > > std::deque<Entry> messages;
> > > std::string message;
> > > bool is_child;
> > > Entry() : is_child(false) { }
> > > };
> >
> > I think the problem is that the code tries to use std::deque<Entry> as a
> > member of struct Entry, before it is completely defined. This is not
> > allowed by the standard, although some libraries (e.g. GNU libstdc++)
> > apparently permit it for some container types.
> >
> > You could try to work around it with -fdelayed-template-parsing, but I
> > am not sure if it will help. Alternatively, compile the code with
> > libstdc++, or rewrite it to conform. :-)
> >
>
> Thanks for the suggestions. -fdelayed-template-parsing did not
> help. (Un)fortunately, I know very little about C++, so rewriting
> the code is not option for me. I guess I'll add a USE_GCC to the
> port's Makefile to if it will build.
>
Sigh. Adding USE_GCC isn't the solution.
% pan
Segmentation fault (core dumped)
% ldd /usr/local/bin/pan | grep ++
libstdc++.so.6 => /usr/local/lib/gcc46/libstdc++.so.6 (0x3c52bf000)
libc++.so.1 => /usr/lib/libc++.so.1 (0x3c81ea000)
This can't be good. And, unfortunately, testing math/octave shows
no better :(
% octave
Segmentation fault (core dumped)
% ldd /usr/local/bin/octave-3.6.4 | grep ++
libstdc++.so.6 => /usr/local/lib/gcc46/libstdc++.so.6 (0x3c92ec000)
libc++.so.1 => /usr/lib/libc++.so.1 (0x3c9801000)
--
Steve
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