From: Ayoub Zaki <ayoub.zaki@embexus.com>
To: "Burton, Ross" <ross.burton@intel.com>
Cc: "yocto@yoctoproject.org" <yocto@yoctoproject.org>
Subject: Re: Bitwise Operations in BBClass
Date: Tue, 31 Oct 2017 12:38:30 +0100 [thread overview]
Message-ID: <9e1b73a2-b580-cfbe-164e-d98a90ee0d02@embexus.com> (raw)
In-Reply-To: <CAJTo0LaVd8oqRgMp4eQ2e9tF_KUht88BgMQh0Dur=SFYDPohXQ@mail.gmail.com>
Hi,
On 31.10.2017 12:34, Burton, Ross wrote:
> That would be https://bugzilla.yoctoproject.org/show_bug.cgi?id=11314,
> $(( isn't supported by our shell parser. Shouldn't be that difficult
> to fix in bitbake.
Any workarrounds for that problem ?
I tried with expr but it does not recognize bitwise operations like & ~
I'm really stucked ...
>
> Ross
>
> On 31 October 2017 at 11:27, Ayoub Zaki <ayoub.zaki@embexus.com
> <mailto:ayoub.zaki@embexus.com>> wrote:
>
> Hello,
>
> I'm trying to get a bitwise operation working in a bitbake bblcass
> function but no luck so far :
>
> my_function() {
>
> SZ="`wc -c < ${1}`"
>
> ALIGN_SZ=$(((${SZ} + 0x1000 - 1) & ~ (0x1000 - 1)))
>
> .......
>
> }
>
> Bitbake complains with :
>
> ERROR: ExpansionError during parsing
> /opt/Projects/Yocto/meta-somelayer/recipes-kernel/linux/linux-imx_4.1.15.bb
> <http://linux-imx_4.1.15.bb>: Failure expanding variable
> my_function: NotImplementedError: $((
>
>
> Any suggestions how to tackle this problem ?
>
> Thank you !
>
> --
> Ayoub Zaki
> Embedded Systems Consultant
>
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>
> Tel. : +4971415074546 <tel:%2B4971415074546>
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>
> --
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>
--
Ayoub Zaki
Embedded Systems Consultant
Vaihinger Straße 2/1
D-71634 Ludwigsburg
Tel. : +4971415074546
Mobile : +4917662901545
Email : ayoub.zaki@embexus.com
Homepage : https://embexus.com
VAT No. : DE313902634
next prev parent reply other threads:[~2017-10-31 11:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-31 11:27 Bitwise Operations in BBClass Ayoub Zaki
2017-10-31 11:34 ` Burton, Ross
2017-10-31 11:38 ` Ayoub Zaki [this message]
2017-10-31 12:27 ` Burton, Ross
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