From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: buildroot@busybox.net
Subject: [Buildroot] libgcc erroneously built as armv5 for arm920t(armv4t)
Date: Fri, 27 Sep 2013 09:31:55 +0200 [thread overview]
Message-ID: <20130927093155.57432f09@skate> (raw)
In-Reply-To: <20130926175221.GC3418@free.fr>
Dear Yann E. MORIN,
On Thu, 26 Sep 2013 19:52:21 +0200, Yann E. MORIN wrote:
> In crosstool-Ng, we have this:
> http://crosstool-ng.org/hg/crosstool-ng/annotate/98b7806295cc/patches/gcc/4.4.5/210-arm-unbreak-armv4t.patch#l1
>
> For gcc, if --with-cpu is not specified, then it defaults to
> TARGET_CPU_arm10tdmi which is an armv5 (as far as I understand it).
So even when --with-arch=armv7a, gcc will use --with-cpu=arm10tdmi? I'm
not sure to understand what will be the effect of having
--with-arch=armv7a and --with-cpu=arm10tdmi.
> The patch above downgrades the default CPU to an armv4t. Maybe worth a
> try. That, or passing --with-cpu=... as suggested by Adam.
Ok.
Thomas
--
Thomas Petazzoni, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2013-09-27 7:31 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-26 15:34 [Buildroot] libgcc erroneously built as armv5 for arm920t(armv4t) adam hussein
2013-09-26 15:54 ` Thomas Petazzoni
2013-09-26 17:52 ` Yann E. MORIN
2013-09-27 7:31 ` Thomas Petazzoni [this message]
2013-09-27 11:23 ` adam hussein
2013-09-26 19:00 ` Peter Korsgaard
2013-11-02 15:39 ` Thomas Petazzoni
2013-11-07 19:31 ` Thomas Petazzoni
2013-11-21 14:56 ` adam hussein
2013-11-21 15:22 ` Thomas Petazzoni
2013-11-21 16:07 ` adam hussein
2013-11-21 16:12 ` Thomas Petazzoni
2013-12-26 21:57 ` Yann E. MORIN
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