From: Yann E. MORIN <yann.morin.1998@free.fr>
To: buildroot@busybox.net
Subject: [Buildroot] [PATCH 1/1] fftw: fix build failure with old gcc
Date: Sat, 11 Apr 2015 13:32:45 +0200 [thread overview]
Message-ID: <20150411113245.GE4221@free.fr> (raw)
In-Reply-To: <1428748907-3319-1-git-send-email-gwenj@trabucayre.com>
Gwenhael, All,
On 2015-04-11 12:41 +0200, Gwenhael Goavec-Merou spake thusly:
> From: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
>
> -Ofast is not available on gcc <2.6. This option is equivalent to
You probably meant gcc<4.6 ? gcc-2.6 is, well, quite old... The latest
2.6.x was released in 2002... ;-)
> -O3 -ffast-math.
>
> Fixes:
> http://autobuild.buildroot.org/results/207/207a20a3ca5e62029823b1361479d5cd38fefeb0/
> http://autobuild.buildroot.net/results/871/871b29c9bbf94aa05034c442f35c8771f83abe1e/
>
> Signed-off-by: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Otherwise, I did not SoB this patch for real. A post-commit note would
have been quite enough, in fact.
Regards,
Yann E. MORIN.
> ---
> package/fftw/fftw.mk | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/package/fftw/fftw.mk b/package/fftw/fftw.mk
> index 1148909..5045ab6 100644
> --- a/package/fftw/fftw.mk
> +++ b/package/fftw/fftw.mk
> @@ -18,7 +18,7 @@ FFTW_CONF_OPTS += $(if $(BR2_PACKAGE_FFTW_PRECISION_QUAD),--enable,--disable)-qu
>
> FFTW_CFLAGS = $(TARGET_CFLAGS)
> ifeq ($(BR2_PACKAGE_FFTW_FAST),y)
> -FFTW_CFLAGS += -Ofast
> +FFTW_CFLAGS += -O3 -ffast-math
> endif
>
> # x86 optimisations
> --
> 2.0.5
>
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next prev parent reply other threads:[~2015-04-11 11:32 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-11 10:41 [Buildroot] [PATCH 1/1] fftw: fix build failure with old gcc Gwenhael Goavec-Merou
2015-04-11 11:32 ` Yann E. MORIN [this message]
2015-04-11 13:27 ` Thomas Petazzoni
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