All of lore.kernel.org
 help / color / mirror / Atom feed
From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH] libaio: Fix library creation for ARC with -Os
Date: Tue, 18 Sep 2018 11:26:57 +0200	[thread overview]
Message-ID: <20180918112657.7d1b9d28@windsurf> (raw)
In-Reply-To: <aae1bc5da723d9dd98ddd4dcc7868e4dacb4b6f8.camel@synopsys.com>

Hello,

On Tue, 18 Sep 2018 09:17:20 +0000, Alexey Brodkin wrote:

> > Thank you, I do understand that passing LDFLAGS=-lgcc will add -lgcc to
> > the link command line :-)
> > 
> > The question is: why does libaio needs to be told explicitly to link
> > against libgcc, and not any other package.
> > 
> > And I believe the reason is because -nostdlib -nostartfiles are used.
> > Why is libaio using those flags? Is there a good reason ?  
> 
> I tried removing those 2 as the first thing but it made no difference
> until I added "-lgcc" explicitly.

Then there is another toolchain bug, because linking against libgcc
should be done automatically as soon as a libgcc feature gets used by
the thing being compiled/linked.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2018-09-18  9:26 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-17 20:43 [Buildroot] [PATCH] libaio: Fix library creation for ARC with -Os Alexey Brodkin
2018-09-18  7:36 ` Thomas Petazzoni
2018-09-18  8:03   ` Alexey Brodkin
2018-09-18  9:15     ` Thomas Petazzoni
2018-09-18  9:17       ` Alexey Brodkin
2018-09-18  9:26         ` Thomas Petazzoni [this message]
2018-09-18  9:30           ` Alexey Brodkin
     [not found]             ` <098ECE41A0A6114BB2A07F1EC238DE89667FD144@de02wembxa.internal.synopsys.com>
2018-09-18 12:44               ` Alexey Brodkin
2018-09-18 13:58                 ` Thomas Petazzoni
2018-09-28 13:36                   ` Alexey Brodkin
2018-09-18  9:20       ` Thomas Petazzoni

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=20180918112657.7d1b9d28@windsurf \
    --to=thomas.petazzoni@bootlin.com \
    --cc=buildroot@busybox.net \
    /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
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.