From: Ken Brown <kbrown@cornell.edu>
To: Stefan Monnier <monnier@IRO.UMontreal.CA>
Cc: Eli Zaretskii <eliz@gnu.org>, emacs-devel@gnu.org
Subject: Re: New emacs maintainer for cygwin
Date: Wed, 20 May 2009 13:37:16 -0400 [thread overview]
Message-ID: <4A143FCC.1030004@cornell.edu> (raw)
In-Reply-To: <jwvzld7er9b.fsf-monnier+emacs@gnu.org>
On 5/20/2009 11:22 AM, Stefan Monnier wrote:
>> Could you elaborate on this? I don't know anything about USE_LSB_TAG. All
>
> grep for USE_LSB_TAG in src/lisp.h. It's quite likely that Cygwin uses
> it already (ideally, all systems should use it).
That does seem to be the case, if I understand src/lisp.h correctly.
I'm using gcc, so __GNUC__ is defined, and src/config.h contains #define
GNU_MALLOC 1. This should guarantee that USE_LSB_TAG is being used. Right?
I therefore propose the following patch to src/s/cygwin.h, which is a
slightly modified version of the one I sent yesterday:
--- cygwin.h.orig 2009-05-20 13:30:27.062500000 -0400
+++ cygwin.h 2009-05-20 13:31:17.140625000 -0400
@@ -105,11 +105,7 @@
#define SYSV_SYSTEM_DIR 1
#define UNEXEC unexcw.o
#define POSIX_SIGNALS 1
-/* force the emacs image to start high in memory, so dll relocation
- can put things in low memory without causing all sorts of grief for
- emacs lisp pointers */
-#define DATA_SEG_BITS 0x20000000
-#define LINKER $(CC) -Wl,--image-base,DATA_SEG_BITS
+#define LINKER $(CC)
/* Use terminfo instead of termcap. Fewer environment variables to
go wrong, more terminal types. */
I realize that this patch does not fix a regression from emacs 22.3, so
maybe it should wait until after 23.1 is released. But it affect only
the cygwin build, and it would simplify my task of patching etc/PROBLEMS
if it could be applied soon.
Ken
next prev parent reply other threads:[~2009-05-20 17:37 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-15 13:41 New emacs maintainer for cygwin Ken Brown
2009-05-15 14:16 ` Eli Zaretskii
2009-05-15 14:35 ` Ken Brown
2009-05-15 14:42 ` Lennart Borgman
2009-05-15 14:55 ` Chong Yidong
2009-05-17 4:01 ` Stefan Monnier
2009-05-20 0:21 ` Ken Brown
2009-05-20 2:14 ` Stefan Monnier
2009-05-20 2:39 ` Ken Brown
2009-05-20 15:22 ` Stefan Monnier
2009-05-20 17:37 ` Ken Brown [this message]
-- strict thread matches above, loose matches on Subject: below --
2009-05-20 8:05 Angelo Graziosi
2009-05-20 12:30 ` Ken Brown
2009-05-20 12:46 ` Angelo Graziosi
2009-05-20 22:19 Angelo Graziosi
2009-05-20 22:39 ` Ken Brown
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