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Re: libstdc++ compatibility
- To: law at cygnus dot com
- Subject: Re: libstdc++ compatibility
- From: Joe Buck <jbuck at synopsys dot com>
- Date: Sat, 17 Oct 98 15:49:01 PDT
- Cc: doko at cs dot tu-berlin dot de, egcs at cygnus dot com
> In message <13863.33627.732767.717335@gargleblaster>you write:
> > As far as I undestand, the C++ compiler interface changed from
> > egcs-1.0.x to egcs-1.1. Is still possible to compile a libstdc++2.8
> > (not 2.9) with egcs-1.1 that is binary compatible with a libstdc++2.8
> > compiled with egcs-1.0.x ?
> Unlikely due to the changes necessary to support thread safe exception
> handling. There may be other issues, but that's the one that comes up
> the most often.
Evidently this point is an issue for Red Hat: they don't want to ship
egcs-1.1 because it breaks binary compatibility with egcs-1.0.x, for
this reason.
I suppose Red Hat could patch 1.1 to generate thread-unsafe exceptions
in a way that gives compatibility with 1.0.x.