[Buildroot] First rootfile system build using buildroot

Dinesh Guleria din.gulu.er at gmail.com
Wed Sep 2 16:57:01 UTC 2015


>> And choose "Using an in-tree defconfig file", which is the default
option.
Done

>> And type the name of the defconfig (without the trailing _defconfig).
As i need to build for raspberrypi.
And as I have *raspberrypi_deconfig* in my following directory /config of
buildroot.
So i write the name as *raspberrypi *.

But getting following error at the time of make . see the attached image.

Regards,
Katoch

On Wed, Sep 2, 2015 at 8:25 PM, Vicente Olivert Riera <
Vincent.Riera at imgtec.com> wrote:

> Dear Dinesh Guleria,
>
> On 09/02/2015 03:51 PM, Dinesh Guleria wrote:
> >>> one quick question. Which one is your name, "Katoch" or "Dinesh
> Guleira"?
> > Katoch is my nick name real name is as per my mail id Dinesh Guleria ..
> :-)
> >
> >>> it is an existing defconfig file in the kernel tree, not in the
> > Buildroot tree. You can find them in "arch/<your architecture>/configs/".
> > So i need to copy this file from kernel tree to my buildroot tree & point
> > BR2_LINUX_KERNEL_DEFCONFIG variable to it. Right ?
>
> no, you have to go to:
>
> Kernel
> -> Linux Kernel
>   -> Kernel configuration
>
> And choose "Using an in-tree defconfig file", which is the default option.
>
> Now go to:
>
> Kernel
> -> Linux Kernel
>   -> Defconfig name
>
> And type the name of the defconfig (without the trailing _defconfig).
>
> Regards,
>
> Vincent.
>
> > Regards,
> > Katoch
> >
> > On 2 Sep 2015 19:29, "Vicente Olivert Riera" <Vincent.Riera at imgtec.com
> > <mailto:Vincent.Riera at imgtec.com>> wrote:
> >
> >     Dear Katoch,
> >
> >     one quick question. Which one is your name, "Katoch" or "Dinesh
> >     Guleira"?
> >
> >     On 09/02/2015 02:54 PM, Dinesh Guleria wrote:
> >     >>> You need to set
> >     > BR2_LINUX_KERNEL_DEFCONFIG (label: "Defconfig name") to the name
> >     of your
> >     > in-tree defconfig file.
> >     > Is this file an existing file or will be created at runtime ? If
> >     > existing then where does this in-tree deconfig file lies in the
> >     > buildroot directory ?
> >
> >     it is an existing defconfig file in the kernel tree, not in the
> >     Buildroot tree. You can find them in "arch/<your
> >     architecture>/configs/".
> >
> >     If you want to use a custom defconfig file, then place it into the
> >     Buildroot tree, maybe at $(TOPDIR), and use the appropriate option in
> >     the Buildroot menuconfig.
> >
> >     Regards,
> >
> >     Vincent.
> >
> >     > Regards,
> >     > Katoch
> >     >
> >     > Hi Katoch,
> >     >
> >     > On Wed, Sep 02, 2015 at 04:36:51PM +0530, Dinesh Guleria wrote:
> >     >> I have successfully compiled a linux rootfs.Now I am trying to
> >     compile a
> >     >> linux kernel using buildroot.
> >     >> My kernel settings are ;--
> >     >> Kernel version : 4.0.4
> >     >> kernel configuration : use an in-tree deconfig file
> >     >>
> >     >> But i am getting following error, when make :--
> >     >> linux/linux.mk:367 <http://linux.mk:367> <http://linux.mk:367>:
> >     *** No kernel defconfig name
> >     > specified, check your
> >     >> BR2_LINUX_KERNEL_DEFCONFIG setting.  Stop.
> >     >
> >     > This means that BR2_LINUX_KERNEL_DEFCONFIG is empty. You need to
> set
> >     > BR2_LINUX_KERNEL_DEFCONFIG (label: "Defconfig name") to the name
> >     of your
> >     > in-tree defconfig file.
> >     >
> >     > baruch
> >     >
> >     > --
> >     >      http://baruch.siach.name/blog/                  ~. .~   Tk
> >     Open Systems
> >     >
> >
>  =}------------------------------------------------ooO--U--Ooo------------{=
> >     >    - baruch at tkos.co.il <mailto:baruch at tkos.co.il>
> >     <mailto:baruch at tkos.co.il <mailto:baruch at tkos.co.il>> - tel:
> >     > +972.2.679.5364, http://www.tkos.co.il -
> >     >
> >     >
> >     > _______________________________________________
> >     > buildroot mailing list
> >     > buildroot at busybox.net <mailto:buildroot at busybox.net>
> >     > http://lists.busybox.net/mailman/listinfo/buildroot
> >     >
> >
>
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