From: "Jan Djärv" <jan.h.d@swipnet.se>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: 11935@debbugs.gnu.org
Subject: bug#11935: XINT etc. should be functions
Date: Sun, 9 Jun 2013 11:18:45 +0200 [thread overview]
Message-ID: <D0377770-351F-4CC6-9B2F-4BD4CE9612ED@swipnet.se> (raw)
In-Reply-To: <51B42D69.7040800@cs.ucla.edu>
Hello.
9 jun 2013 kl. 09:23 skrev Paul Eggert <eggert@cs.ucla.edu>:
> On 06/08/2013 11:56 PM, Jan Djärv wrote:
>> most people does not have the latest gcc version.
>
> Most people can use older GCC versions just fine,
> since by default Emacs builds with optimization flags
> that will generate pretty much the same machine code
> regardless of whether the patch is used.
>
> The only problem is with developers who are using older
> GCC versions and who wish to compile without optimization,
> to make Emacs easier to debug. These folks can't use -Og
> (available in GCC 4.8 and later), so they have to make do
> with -O0.
>
That is not the only problem. etc/DEBUG recommends to build with no optimization when reporting errors.
> -Og is better for debugging than -O0 is, and the
> proposed patch caters to -Og. Eventually the -Og
> approach will win out; the only question is when
> and how to start the ball rolling.
If you can make it detect when to use macros and when to use functions so -O0 doesn't suffer, that is starting the ball rolling. Otherwise it is setting up a brick wall for users/developers with older gcc.
Jan D.
next prev parent reply other threads:[~2013-06-09 9:18 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-13 15:07 bug#11935: XINT etc. should be functions Paul Eggert
2012-07-14 2:20 ` bug#11935: [TRUNCATED MESSAGE 2746 87596] " Richard Stallman
2012-07-15 13:41 ` Paul Eggert
2012-07-15 22:06 ` Stefan Monnier
2012-07-16 14:54 ` Paul Eggert
2012-07-16 16:12 ` Eli Zaretskii
2012-07-16 21:40 ` Paul Eggert
2012-07-16 18:19 ` Richard Stallman
2012-07-16 22:46 ` Paul Eggert
2012-07-17 3:04 ` Eli Zaretskii
2012-07-17 3:54 ` Paul Eggert
2012-07-24 2:20 ` Paul Eggert
2012-07-24 9:07 ` Stefan Monnier
2012-07-24 13:45 ` Paul Eggert
2012-07-24 21:57 ` Stefan Monnier
2012-07-25 4:07 ` Paul Eggert
2012-07-15 14:41 ` Chong Yidong
2012-07-15 16:40 ` Paul Eggert
2012-07-16 2:22 ` Chong Yidong
2012-07-16 14:54 ` Paul Eggert
2013-06-06 15:56 ` Paul Eggert
2013-06-06 16:36 ` Andreas Schwab
2013-06-13 16:30 ` Paul Eggert
2013-06-06 16:42 ` Stefan Monnier
2013-06-09 0:52 ` Paul Eggert
2013-06-09 3:04 ` Stefan Monnier
2013-06-09 4:37 ` James Cloos
2013-06-09 6:59 ` Jan Djärv
2013-06-09 7:13 ` Paul Eggert
2013-06-09 15:57 ` Stefan Monnier
2013-06-13 14:45 ` Paul Eggert
2013-06-13 20:08 ` Stefan Monnier
2013-06-15 6:43 ` Paul Eggert
2013-06-15 14:22 ` Stefan Monnier
2013-06-17 6:05 ` Paul Eggert
2013-06-09 6:56 ` Jan Djärv
2013-06-09 7:23 ` Paul Eggert
2013-06-09 9:18 ` Jan Djärv [this message]
2013-06-09 14:25 ` Juanma Barranquero
2013-06-09 16:05 ` Jan Djärv
2013-06-10 13:40 ` Barry OReilly
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