Re: Compiling Linux kernel

On Thu, Dec 17, 2009 at 09:32:59PM -0300, Daniel Bareiro wrote:
Hi all!

I am trying to compile Linux 2.6.32 with the source code of kernel.org.
Kernel that I'm using at the moment is 2.6.26-2-686 of the Debian
GNU/Linux repositories.

In order to generate the configuration, I've copied the file
corresponding to this kernel to the directory of sources,
/usr/src/linux, and I've executed make menuconfig:

---------------------------------------------------------------------
# cd /usr/src/linux-2.6.32
# cp /boot/config-`uname -r` ./.config

# make ARCH=x86_64 menuconfig
---------------------------------------------------------------------

But when I execute 'make', restart config becomes and I'm interrogated
on some details of the configuration:

---------------------------------------------------------------------
antares:/usr/src/linux# make
HOSTLD scripts/kconfig/conf
scripts/kconfig/conf -s arch/x86/Kconfig
*
* Restart config...
*
*
* RCU Subsystem
*
RCU Implementation
1. Tree-based hierarchical RCU (TREE_RCU)
choice[1]: 1
Enable tracing for RCU (RCU_TRACE) [N/y/?] n
Tree-based hierarchical RCU fanout value (RCU_FANOUT) [32] (NEW)
---------------------------------------------------------------------

Something similar happens when compiling using the Debian way.

I have the impression that 'make' is taking like reference the
configuration in /boot/ and the one that is in /usr/src/linux and when
finding differences, it interrogates to me on some things. Is it
possible? Under other circumstances, which can be the problem?

Thanks in advance for your replies.

Well, the kernel build does check what your current config is, and
based on that, asks you some new questions. One way I get around this
is:

cd <kernel-build-directory>
cp /boot/config-$(uname -r) .config
make menuconfig # choose the options you want.
Run make-kpkg to build my kernel deb.

The make menuconfig step refreshes your config, so that you can skip
the "interrogation" step.

HTH.

Kumar
--
martin@xxxxxxxx (no longer valid - where are you now, Martin?)
-- from /usr/src/linux/drivers/cdrom/mcd.c

Attachment: signature.asc
Description: Digital signature

Relevant Pages