From: Eli Zaretskii <eliz@gnu.org>
To: Kevin Yu <yujie052@gmail.com>
Cc: emacs-devel@gnu.org
Subject: Re: Emacs 24.0.90 Pretest Windows Binaries
Date: Fri, 21 Oct 2011 10:04:47 +0200 [thread overview]
Message-ID: <83botasrc0.fsf@gnu.org> (raw)
In-Reply-To: <CALK2n0CZe9=i8bVYXt2=j7Xw+hkTVoVzaz-kcZAsdM7yvOPDuw@mail.gmail.com>
> Date: Fri, 21 Oct 2011 09:44:23 +0800
> From: Kevin Yu <yujie052@gmail.com>
> Cc: emacs-devel@gnu.org
>
> I wonder if it's a bug of mingw-gcc 4.6.1
This thread:
http://lists.gnu.org/archive/html/qemu-devel/2011-10/msg01697.html
suggests that it probably is. IIUC, there's an issue with setjmp in
the MS runtime not working when -fomit-frame-pointer is used, and the
MinGW GCC 4.6.1 turns on -fomit-frame-pointer by default when
optimizing. Since Emacs uses setjmp/longjmp _a_lot_, and in
particular C-g throws to the top level via this mechanism, it seems
like we have a smoking gun.
Perhaps rebuild Emacs with -fno-omit-frame-pointer, and see if that
helps.
next prev parent reply other threads:[~2011-10-21 8:04 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-19 0:43 Emacs 24.0.90 Pretest Windows Binaries Christoph Scholtes
2011-10-19 7:30 ` Eli Zaretskii
2011-10-19 7:47 ` Drew Adams
2011-10-19 8:52 ` Kevin
2011-10-19 11:08 ` Richard Stallman
2011-10-19 11:53 ` Eli Zaretskii
2011-10-19 13:42 ` Kevin Yu
2011-10-19 15:13 ` Eli Zaretskii
2011-10-20 2:16 ` Kevin Yu
2011-10-20 8:46 ` Eli Zaretskii
2011-10-20 9:11 ` Kevin Yu
2011-10-20 14:03 ` Eli Zaretskii
2011-10-21 1:44 ` Kevin Yu
2011-10-21 8:04 ` Eli Zaretskii [this message]
2011-10-21 8:45 ` Kevin Yu
2011-10-21 10:10 ` Kevin Yu
2011-10-21 12:12 ` Eli Zaretskii
2011-10-21 14:12 ` Kevin Yu
2011-10-21 14:33 ` Eli Zaretskii
2011-10-21 14:55 ` Kevin Yu
2011-10-21 12:31 ` Eli Zaretskii
2011-10-19 12:20 ` Christoph Scholtes
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