[Clfs-dev] clfs-embedded: mistake in target triplet for softfp?

[William Harrington]

On Jan 2, 2014, at 7:08 AM, Andrew Bradford wrote:

> On 12/31/2013 01:31 PM, Christian Wiese wrote:
>> Hi,
>>
>> while looking at target triplet table (Table 4.2. Target Triplets) at
>>
>> http://cross-lfs.org/view/clfs-embedded/arm/cross-tools/ 
>> variables.html
>>
>> it seems to me that there is a mistake.
>>
>> As far as I understand there are 2 ABIs soft float and hard float,
>> whereas the soft float ABI has 2 variants "soft" and "softfp".
>> Thus the target triplet for "softfp" should not be
>> "arm-linux-musleabihf" but the same as for "soft"
>> which is "arm-linux-musleabi".
>>
>> See also:
>>
>> http://wiki.musl-libc.org/wiki/ 
>> Getting_started#Notes_on_ARM_Float_Mode
>>
>> What is your opinion on that?
>
> You're probably right.  Patch below if someone would apply this to
> master for me, I have another patch set that's not ready but this
> shouldn't be delayed.
>
> Thanks,
> Andrew
>
>
>
> From 58437cd82f2b68946194eed6bc6a9bdf70f8192f Mon Sep 17 00:00:00 2001
> From: Andrew Bradford <andrew at bradfordembedded.com>
> Date: Thu, 2 Jan 2014 08:06:04 -0500
> Subject: [PATCH] arm cross-tools: Only triple *hf for hard float
>
> The softfp target shouldn't use the triple ending in hf.
> ---
> BOOK/cross-tools/arm/variables.xml |    4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/BOOK/cross-tools/arm/variables.xml
> b/BOOK/cross-tools/arm/variables.xml
> index ded15ee..2ecdf65 100644
> --- a/BOOK/cross-tools/arm/variables.xml
> +++ b/BOOK/cross-tools/arm/variables.xml
> @@ -110,11 +110,11 @@
>
>       <tbody>
>         <row>
> -          <entry>soft</entry>
> +          <entry>soft or softfp</entry>
>           <entry>arm-linux-musleabi</entry>
>         </row>
>         <row>
> -          <entry>hard or softfp</entry>
> +          <entry>hard</entry>
>           <entry>arm-linux-musleabihf</entry>
>         </row>
>       </tbody>
> -- 
> 1.7.10.4

Committed.

ALso, I built CLFS-GIT standard for the beaglebone board. Just need to  
configure the build and boot to it.

Sincerely,

WIlliam Harrington