LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Sam Ravnborg <sam@ravnborg.org>
To: LKML <linux-kernel@vger.kernel.org>,
	Oleg Verych <olecom@flower.upol.cz>, Andi Kleen <ak@suse.de>,
	Andrew Morton <akpm@osdl.org>, Jan Beulich <jbeulich@novell.com>,
	jpdenheijer@gmail.com, dsd@gentoo.org, draconx@gmail.com,
	kernel@gentoo.org
Subject: Re: [PATCH -mm] replacement for broken kbuild-dont-put-temp-files-in-the-source-tree.patch
Date: Sun, 29 Oct 2006 23:52:34 +0100	[thread overview]
Message-ID: <20061029225234.GA31648@uranus.ravnborg.org> (raw)
In-Reply-To: <slrnek9qv0.2vm.olecom@flower.upol.cz>

On Sun, Oct 29, 2006 at 05:58:56PM +0000, Oleg Verych wrote:
> 
> On 2006-10-29, Andi Kleen wrote:
> >> Why not use -o /dev/null, as Daniel Drake already suggested in [1]? In
> >> both as-instr and ld-option, the tmp file is being deleted
> >> unconditionally right after its creation anyways.
> >
> > Because then when the compilation runs as root some as versions
> > will delete /dev/null on a error. This has happened in the past.
> 
> OK, but let users, who still build kernels as root, alone.
This needs to work - there are too much people that continue to do so.
And gentoo books recommended this last time I looked.

> 
> In `19-rc3/include/Kbuild.include', just below `as-instr' i see:
> ,--
> |cc-option = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
> |             > /dev/null 2>&1; then echo "$(1)"; else echo "$(2)"; fi ;)
> |
> |# cc-option-yn
> |# Usage: flag := $(call cc-option-yn, -march=winchip-c6)
> |cc-option-yn = $(shell if $(CC) $(CFLAGS) $(1) -S -o /dev/null -xc /dev/null \
> |                 > /dev/null 2>&1; then echo "y"; else echo "n"; fi;)
> `--
> so, change to `-o /dev/null' in `as-instr' will just follow this.

gcc does not delete files specified with -o - but binutils does.
So using /dev/null in this case is not an option.

	Sam

  reply	other threads:[~2006-10-29 22:52 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-28 23:07 Horst Schirmeier
2006-10-29  2:07 ` Andi Kleen
2006-10-29 12:08   ` Horst Schirmeier
2006-10-29 16:16     ` Andi Kleen
2006-10-29 17:52       ` Oleg Verych
2006-10-29 22:52         ` Sam Ravnborg [this message]
2006-10-30  8:16           ` Jan Beulich
2006-10-30 13:16             ` Oleg Verych
     [not found]               ` <45460E6C.76E4.0078.0@novell.com>
2006-10-30 14:42                 ` Oleg Verych
2006-10-30 15:22                   ` Valdis.Kletnieks
2006-10-30 16:06                     ` Oleg Verych
2006-10-30 22:12                       ` Oleg Verych
2006-10-31  0:12                         ` Horst Schirmeier
2006-10-31  0:19                           ` Andi Kleen
2006-10-31  1:14                             ` Horst Schirmeier
2006-10-31 13:51                               ` Oleg Verych
2006-11-02 12:46                                 ` Jan Peter den Heijer
2006-11-17  5:17                                 ` kbuild: O= with M= (Re: [PATCH -mm] replacement for broken kbuild-dont-put-temp-files-in-the-source-tree.patch) Oleg Verych
2007-01-23  7:36                                   ` [fix, rfc] " Oleg Verych
2007-01-24  8:54                                 ` [patch] kbuild: improving option checking " Oleg Verych
2007-01-24 16:06                                   ` Randy Dunlap
2007-01-24 19:28                                     ` [patch] spell 4 kbuild: improving option checking Oleg Verych
2006-10-31  0:27                         ` [PATCH -mm] replacement for broken kbuild-dont-put-temp-files-in-the-source-tree.patch Horst Schirmeier
2006-10-31 13:32                           ` Oleg Verych
2006-11-15 14:17                           ` kbuild-mm: $(objtree)/knull vs mktemp (was Re: [PATCH -mm] replacement for broken kbuild-dont-put-temp-files-in-the-source-tree.patch) Oleg Verych

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20061029225234.GA31648@uranus.ravnborg.org \
    --to=sam@ravnborg.org \
    --cc=ak@suse.de \
    --cc=akpm@osdl.org \
    --cc=draconx@gmail.com \
    --cc=dsd@gentoo.org \
    --cc=jbeulich@novell.com \
    --cc=jpdenheijer@gmail.com \
    --cc=kernel@gentoo.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=olecom@flower.upol.cz \
    --subject='Re: [PATCH -mm] replacement for broken kbuild-dont-put-temp-files-in-the-source-tree.patch' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).