Re: how to configure/build a kernel in a separate directory?

[Richard B. Johnson]

On Mon, 7 Jun 2004, Robert P. J. Day wrote:

>
>   (i originally posted this to the "make" mailing list, but i figured
> someone here *must* have done this before.)
>
>   is there an easy way to configure/build one or both of a 2.4 and 2.6
> kernel in a totally separate directory from the source directory itself?
>
>   i'd like to have a totally pristine ("make mrproper"ed) source tree,
> write-protected, readable by all, so that several developers can
> independently configure and build their own kernels without stepping on
> each other.  currently, they all check out their own copy of the source
> via CVS, which starts to take up a lot of space.
>
>   obviously, it would be great if they could all set up some kind of build
> structure where they could do their own configuration and build in their
> personal work directories, so that *all* generated results (header files,
> object files, etc.) are placed in their work directory -- nothing should
> be generated in the kernel source tree itself.
>
>   i'm suspecting that, if there are solutions, they will be different from
> 2.4 to 2.6, so i'll take whatever solutions i can get.  others have
> suggested using gnu make in combination with "VPATH", but i'm not sure
> that's going to work, as VPATH deals strictly with pre-requisites in other
> directories, not executable programs like scripts.
>
> rday


I would make a script that creates a symbolic-link of all the
source-files and headers. To get it right, put the source on
a r/o file-system as a start. It's a lot of work.

`find . -name "*.[chS]"` should get all the sources, but there
are some scripts you will have to hunt for.


Cheers,
Dick Johnson
Penguin : Linux version 2.4.26 on an i686 machine (5570.56 BogoMips).
            Note 96.31% of all statistics are fiction.


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