[Buildroot] First rootfile system build using buildroot

Vicente Olivert Riera Vincent.Riera at imgtec.com
Wed Sep 2 14:55:49 UTC 2015


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 -
>     >
>     >
>     > _______________________________________________
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>     > buildroot at busybox.net <mailto:buildroot at busybox.net>
>     > http://lists.busybox.net/mailman/listinfo/buildroot
>     >
> 



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