Re: Problem compiling 2.6.12

["Richard B. Johnson" <linux-os@analogic.com>]

On Wed, 22 Jun 2005, George Kasica wrote:

> Tried that here and got not much farther...here's the error:

So how does a kernel compile end up accessing:

> In file included from /usr/include/linux/errno.h:4,
                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^

In /usr/src there used to be a simlink called /usr/src/linux. It
was a link to /usr/src/linux-`uname -r`. This was also sim-linked
to /usr/include/linux.  There is a possibility that if you
renamed your new /usr/src-linux-2.6.12 to /usr/src/linux, it
overwrote the headers that your 'C' library was compiled with.

After that, all bets are off. To fix, remove the link, /usr/include/linux
and link it to where it used to be as:

	ln -sf /usr/src/linux-2.4.31/include/linux /usr/include/linux
	ln -sf /usr/src/linux-2.4.31/include/asm   /usr/include/asm

That should permanently isolate your old 'C' runtime library
include files from new kernel headers.

Then don't use anything called /usr/src/linux. Use the complete
name like /usr/src/linux-2.6.12. That way, these things don't
happen.



> [root@eagle linux]# make bzImage
>   CHK     include/linux/version.h
>   SPLIT   include/linux/autoconf.h -> include/config/*
>   HOSTCC  scripts/mod/sumversion.o
> In file included from /usr/include/linux/errno.h:4,
>                  from /usr/local/include/bits/errno.h:25,
>                  from /usr/local/include/errno.h:36,
>                  from scripts/mod/sumversion.c:8:
> /usr/include/asm/errno.h:4: asm-generic/errno.h: No such file or directory
> make[2]: *** [scripts/mod/sumversion.o] Error 1
> make[1]: *** [scripts/mod] Error 2
> make: *** [scripts] Error 2
>
>
> On Wed, 22 Jun 2005, Jesper Juhl wrote:
>
> > On 6/22/05, George Kasica <georgek@netwrx1.com> wrote:
> > > Hello:
> > >
> > > Trying to compile 2.6.12 here and am getting the following error. I am
> > > currently running 2.4.31 and have upgraded the needed bits per the Change
> > > document before trying the build:
> > >
> > > [root@eagle src]# cd linux
> > > [root@eagle linux]# make mrproper
> > >    CLEAN   .config
> > > [root@eagle linux]# cp ../config-2.4.31 .config
> > > [root@eagle linux]# make oldconfig
> >
> > Don't use a 2.4.x config as the basis for a 2.6.x kernel .
> > Build your first 2.6.x kernel config using "make menuconfig", "make
> > config", make xconfig" or similar, /then/ you can use that config in
> > the future as a base for other 2.6.x kernels with "make oldconfig".
> >
> > --
> > Jesper Juhl <jesper.juhl@gmail.com>
> > Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
> > Plain text mails only, please      http://www.expita.com/nomime.html
> > -
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Cheers,
Dick Johnson
Penguin : Linux version 2.6.12 on an i686 machine (5537.79 BogoMips).
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