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Re: [MinGW-dvlpr] Re: gcc 3.1 [-mno-cygwin and __main ]
- From: Danny Smith <danny_r_smith_2001 at yahoo dot co dot nz>
- To: cygwin at cygwin dot com
- Cc: MinGW-Dvlpr at lists dot sourceforge dot net
- Date: Wed, 15 May 2002 14:28:58 +1000 (EST)
- Subject: Re: [MinGW-dvlpr] Re: gcc 3.1 [-mno-cygwin and __main ]
--- Christopher Faylor <cgf@redhat.com> wrote: > On Wed, May 15, 2002 at
11:15:48AM +1000, Danny Smith wrote:
> >>Perhaps it's time to drop the -mno-cygwin support and just supply a
> >>cygwin hosted mingw32 targeted cross compiler?
> >
> >That is a key question.
>
> I assume that you're talking about the cygwin gcc and not mingw. If so,
> the answer to the question is: No. We can't do this. -mno-cygwin is
> needed.
>
> Please don't make me explain why one more time.
>
> cgf
>
Ok, I understand that. Cygwin and mingw have slightly different ways of
handling global ctors. The question for mingw developers is more accurately:
How do we handle that difference if we add dwarf2 EH registration to startup
code. Should we try, with marginal (maintenance and runtime) cost, to maintain
status quo?
I don't know how (when/if) cygwin will implement dwarf2 EH. Richard
Henderson's patch was spot on, except for wrong use of -1 rather than 0 as
sentinel for end of eh_frame table.
My preference is to try to keep the differences between mingw and cygwin in gcc
code as small as possible.
Danny
Danny
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