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[184.66.238.184]) by smtp.gmail.com with ESMTPSA id m1sm9346223pfk.54.2017.10.23.11.07.39 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 23 Oct 2017 11:07:40 -0700 (PDT) Message-ID: <1508782059.4636.99.camel@gmail.com> From: Marlon Smith To: Khem Raj Date: Mon, 23 Oct 2017 11:07:39 -0700 In-Reply-To: References: <1508364829.4636.30.camel@gmail.com> <1508441896.4636.70.camel@gmail.com> X-Mailer: Evolution 3.18.5.2-0ubuntu3.2 Mime-Version: 1.0 Cc: "yocto@yoctoproject.org" Subject: Re: Building kernel backports for ARM with Yocto X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Oct 2017 18:07:43 -0000 Content-Type: multipart/alternative; boundary="=-VO0HdjfOFExKZRM8CroR" --=-VO0HdjfOFExKZRM8CroR Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit Khem, with a couple of modifications I was able to get this script working perfectly and installing the modules into the system automatically.  Thanks a lot! If you or anyone else would like a copy of the modified bitbake file I'd be happy to share it. On Thu, 2017-10-19 at 14:18 -0700, Khem Raj wrote: > On Thu, Oct 19, 2017 at 12:38 PM, Marlon Smith > com> wrote: > > > > On Wed, 2017-10-18 at 22:50 -0700, Khem Raj wrote: > > > > > > On Wed, Oct 18, 2017 at 3:13 PM, Marlon Smith > > > il.c > > > om> wrote: > > > > > > > > > > > > Hi everyone, > > > > > > > > I'm trying to build the Linux backports project to get updated > > > > wifi > > > > drivers > > > > on an older kernel.  The problem is that when building > > > > backports, > > > > it first > > > > builds several tools that need to be run natively before cross- > > > > compiling the > > > > rest of the project. > > > > > > > > I know how to write a bitbake recipe to compile natively, and > > > > how > > > > to write > > > > one to build for the target, but I can't figure out how to > > > > combine > > > > the two. > > > > The backports project has steps for LTIB: > > > > > > > >  %Build > > > >  export PATH=$UNSPOOF_PATH > > > > > > > >  make menuconfig prefix=%{_prefix} \ > > > >    CROSS_COMPILE=${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX} \ > > > >    ARCH=$LINTARCH KLIB=${TOP}/rootfs/lib/modules/%{kversion} \ > > > >    KLIB_BUILD=${TOP}/rpm/BUILD/linux > > > > > > > >  export PATH=$SPOOF_PATH > > > > > > > >  make prefix=%{_prefix} \ > > > >    CROSS_COMPILE=${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX} \ > > > >    ARCH=$LINTARCH KLIB=${TOP}/rootfs/lib/modules/%{kversion} \ > > > >    KLIB_BUILD=${TOP}/rpm/BUILD/linux > > > > > > > > > > > > I believe what I need is an equivalent to the line export > > > > PATH=$UNSPOOF_PATH > > > > but I can't find anything in the Yocto documentation or mailing > > > > lists that > > > > would be equivalent to that. > > > > > > > > > > > > Any help would be much appreciated! > > > You might try this out > > > > > > https://github.com/kraj/meta-himvis/blob/master/recipes-kernel/li > > > nux- > > > backports/linux-backports_4.14-rc4.bb > > > > > > it does not work out of box but with few fixes here and there it > > > should work > > It looks like that recipe inherits backports_module and kernel- > > backports_module-split.. do I need those files as well? > > > backports_module is merged into recipe itsellf. Other one can be > replaced with inehrtiting > module bbclasss > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Thanks > > > > > > > > > > > > Marlon > > > > > > > > > > > > -- > > > > _______________________________________________ > > > > yocto mailing list > > > > yocto@yoctoproject.org > > > > https://lists.yoctoproject.org/listinfo/yocto > > > > --=-VO0HdjfOFExKZRM8CroR Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: 7bit
Khem, with a couple of modifications I was able to get this script working perfectly and installing the modules into the system automatically.  Thanks a lot!

If you or anyone else would like a copy of the modified bitbake file I'd be happy to share it.

On Thu, 2017-10-19 at 14:18 -0700, Khem Raj wrote:
On Thu, Oct 19, 2017 at 12:38 PM, Marlon Smith <marlon.smith10@gmail.com> wrote:


On Wed, 2017-10-18 at 22:50 -0700, Khem Raj wrote:


On Wed, Oct 18, 2017 at 3:13 PM, Marlon Smith <marlon.smith10@gmail.c
om> wrote:



Hi everyone,

I'm trying to build the Linux backports project to get updated wifi
drivers
on an older kernel.  The problem is that when building backports,
it first
builds several tools that need to be run natively before cross-
compiling the
rest of the project.

I know how to write a bitbake recipe to compile natively, and how
to write
one to build for the target, but I can't figure out how to combine
the two.
The backports project has steps for LTIB:

 %Build
 export PATH=$UNSPOOF_PATH

 make menuconfig prefix=%{_prefix} \
   CROSS_COMPILE=${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX} \
   ARCH=$LINTARCH KLIB=${TOP}/rootfs/lib/modules/%{kversion} \
   KLIB_BUILD=${TOP}/rpm/BUILD/linux

 export PATH=$SPOOF_PATH

 make prefix=%{_prefix} \
   CROSS_COMPILE=${TOOLCHAIN_PATH}/bin/${TOOLCHAIN_PREFIX} \
   ARCH=$LINTARCH KLIB=${TOP}/rootfs/lib/modules/%{kversion} \
   KLIB_BUILD=${TOP}/rpm/BUILD/linux


I believe what I need is an equivalent to the line export
PATH=$UNSPOOF_PATH
but I can't find anything in the Yocto documentation or mailing
lists that
would be equivalent to that.


Any help would be much appreciated!


You might try this out

https://github.com/kraj/meta-himvis/blob/master/recipes-kernel/linux-
backports/linux-backports_4.14-rc4.bb

it does not work out of box but with few fixes here and there it
should work



It looks like that recipe inherits backports_module and kernel-
backports_module-split.. do I need those files as well?




backports_module is merged into recipe itsellf. Other one can be
replaced with inehrtiting
module bbclasss











Thanks


Marlon


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