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From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: George Dunlap <george.dunlap@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
	"xen-devel@lists.xen.org" <xen-devel@lists.xen.org>,
	Doug Goldstein <cardoe@cardoe.com>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [PATCH 2/2] tools: detect appropriate debug optimization level
Date: Wed, 6 Apr 2016 15:57:57 +0100	[thread overview]
Message-ID: <22277.9205.201038.354110@mariner.uk.xensource.com> (raw)
In-Reply-To: <CAFLBxZbnKbU68HsCfh-adCeGAVzvs=_DSvkxZgch1G-ON5vuMg@mail.gmail.com>

George Dunlap writes ("Re: [Xen-devel] [PATCH 2/2] tools: detect appropriate debug optimization level"):
> On Wed, Apr 6, 2016 at 3:07 PM, Ian Jackson <Ian.Jackson@eu.citrix.com> wrote:
> > Doug, would you like to, for now, propose a patch that uses -Og if it
> > is available, but otherwise falls back to -O0 ?  NB that if
> > convenient, this can be done simply by always specifying -O0 and
> > putting -Og after it if it is supported.
> I agree that it would be good to include specific bugs that this
> fixes.  Presuming that they are as described (compilation errors for
> reasonable setups), I continue to think that making things compile for
> everyone is more important than making them debuggable via gdb for
> people running compilers that don't support -Og.

I think making debug builds debuggable for people with non-broken
compilers is more important than making debug builds build for people
with broken compilers.

(Under some unstated but I think reasonable, and rebuttable,
assumptions about the sizes of the two sets of people.)

Non-debug builds are, after all, not affected by any of this.


Xen-devel mailing list

  reply	other threads:[~2016-04-06 14:57 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-08  2:23 [PATCH 1/2] libxl: ensure var is inited in libxl__domain_firmware Doug Goldstein
2016-03-08  2:23 ` [PATCH 2/2] tools: detect appropriate debug optimization level Doug Goldstein
2016-03-08 15:38   ` Wei Liu
2016-03-08 16:34     ` Doug Goldstein
2016-03-08 16:50       ` Wei Liu
2016-03-16 19:14         ` Doug Goldstein
2016-03-28 15:01           ` Doug Goldstein
2016-03-29 11:44             ` George Dunlap
2016-03-29 17:21               ` Doug Goldstein
2016-03-30  9:52                 ` George Dunlap
2016-03-30 16:00       ` Ian Jackson
2016-03-30 16:11         ` Ian Jackson
2016-03-30 16:20         ` Doug Goldstein
2016-03-31  8:24         ` George Dunlap
2016-04-06 14:07   ` Ian Jackson
2016-04-06 14:34     ` George Dunlap
2016-04-06 14:57       ` Ian Jackson [this message]
2016-03-08 15:38 ` [PATCH 1/2] libxl: ensure var is inited in libxl__domain_firmware Wei Liu
2016-03-10 15:13   ` Doug Goldstein

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