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From: Marcel Holtmann <marcel@holtmann.org>
To: Anderson Lizardo <anderson.lizardo@openbossa.org>
Cc: linux-bluetooth@vger.kernel.org
Subject: Re: [PATCH BlueZ 1/2] build: Fix --disable-optimization configure option
Date: Thu, 10 Jan 2013 16:31:24 -0800	[thread overview]
Message-ID: <1357864284.1806.80.camel@aeonflux> (raw)
In-Reply-To: <1357659987-4219-1-git-send-email-anderson.lizardo@openbossa.org>

Hi Anderson,

> On commit cc9e4e7cae0379864ea06038d92bf7ecc192bba7, this flag was
> mistakenly replaced with the behavior of the old --enable-fortify
> option.
> 
> This patch restores the "-O0" flag when --disable-optimization is used.
> 
> Unfortunately, this is not enough to disable build optimization. By
> default, autoconf adds -O2 to CFLAGS if the compiler is GCC. AM_CFLAGS
> (where -O0 is added with --disable-optimization) is passed as argument
> to GCC before autoconf CFLAGS, so it is not possible to override the
> default -O2. One solution is to use:
> 
> CFLAGS= ./configure --disable-optimization
> 
> i.e. remove -O2 from CFLAGS, and let autoconf add -O0.
> ---
>  acinclude.m4 |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

patch has been applied.

Regards

Marcel



      parent reply	other threads:[~2013-01-11  0:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-08 15:46 [PATCH BlueZ 1/2] build: Fix --disable-optimization configure option Anderson Lizardo
2013-01-08 15:46 ` [PATCH BlueZ 2/2] attrib: Fix compilation errors when compiled without optimization Anderson Lizardo
2013-01-11  0:06   ` Marcel Holtmann
2013-01-11  0:31 ` Marcel Holtmann [this message]

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