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X-HELO: calimero.vinschen.de
Date: Sun, 27 Oct 2013 10:51:59 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Rebuilding cygwin1.dll - error: "TRANSACTION_ALL_ACCESS" redefined [-Werror]
Message-ID: <20131027095159.GA29907@calimero.vinschen.de>
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On Oct 26 21:27, Christopher Faylor wrote:
> On Sat, Oct 26, 2013 at 11:47:04AM +0200, Corinna Vinschen wrote:
> >On Oct 26 02:25, Christopher Faylor wrote:
> >> On Sat, Oct 26, 2013 at 10:14:01AM +0400, Alexey Pavlov wrote:
> >> >/usr/include/w32api/winnt.h:3541:20: error: previous definition of
> >> >?struct _EXCEPTION_REGISTRATION_RECORD?
> >> >     typedef struct _EXCEPTION_REGISTRATION_RECORD {
> >> >                    ^
> >> >In file included from /work/Cygwin/winsup/cygwin/exception.h:15:0,
> >> >                 from /work/Cygwin/winsup/cygwin/cygtls.cc:20:
> >> >/work/Cygwin/winsup/cygwin/include/exceptions.h:109:17: error: invalid
> >> >type in declaration before ?;? token
> >> > } exception_list;
> >> >                 ^
> >> >/work/Cygwin/winsup/cygwin/../Makefile.common:43: recipe for target
> >> >'cygtls.o' failed
> >> >make[3]: *** [cygtls.o] Error 1
> >>=20
> >> Feel free to provide patches.  Simple compilation issues do not
> >> require copyright assignment.
> >
> >I applied a patch.  The redefinition of _exception_list to
> >_EXCEPTION_REGISTRATION_RECORD for x86_64 was cruft from a very early
> >"just build, goddammit" porting stage.  Later on it turned out that
> >x86_64 doesn't use frame based exception handling anyway so all the
> >code using _exception_list is unused on x86_64 anyway.
> >
> >I also changed the public header <exceptions.h> so that it only
> >applies if !x86_64.
> >
> >That leads to a question:
> >
> >Why on earth do we have a *public* header exposing the exception
> >handling on a certain CPU?  This isn't a standard header, neither POSIX
> >nor Linux nor BSD systems have it.
> >
> >If there isn't a compelling reason to keep the header, I would opt
> >for folding the content into the private Cygwin header exception.h
> >and drop the public header entirely.
>=20
> I think its existence predates me.  I vote to nuke it.

2 pro votes, 0 dissenting votes.  Done.  I just hope the voting period
wasn't too short...


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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