[ewg] Re: ANNOUNCE: ofed kernel build updates

Ira Weiny weiny2 at llnl.gov
Wed Jul 25 21:04:51 PDT 2007


Michael,

I only got a chance to try the ofed_makedist.sh and compile (not actually run).
However the build worked very well!  So initial feedback is this works much
better.

Thanks,
Ira

On Wed, 25 Jul 2007 17:11:41 +0300
"Michael S. Tsirkin" <mst at dev.mellanox.co.il> wrote:

> Hi!
> I'd like to announce a couple of updates that were recently made
> to the build scripts on the ofed_kernel branch.
> This is an attempt to answer repeated requests, aired at Sonoma,
> to simplify access to kernel sources.
> 
> The idea is that a user of a supported kernel will just be able
> to download an appropriate tarball and run with it without need for patching.
> 
> These changes are available from ofed_kernel git tree maintained by Vlad:
> git://git.openfabrics.org/~vlad/ofed_kernel.git ofed_kernel
> 
> The code is mine, but the ideas mostly come from criticism
> and code sent by Ira Weiny. Thanks, Ira!
> 
> Note that the changes were made in a backwards-compatible way,
> so that existing scripts using configure/make will continue working.
> 
> What's new:
> 
> 1. New script ofed_scripts/ofed_patch.sh
>    This will apply fixes and backport patches for a specific
>    kernel to the current tree.
>    Usage:
>    ./ofed_scripts/ofed_patch.sh --with-backport=VERSION
> 
>    This makes it possible for distro vendors to generate
>    a tarball pre-patched for a specific kernel.
> 
> 2. New script ofed_scripts/ofed_makedist.sh
>    This script repeatedly clones the current repository,
>    runs ofed_scripts/ofed_patch.sh,
>    and then builds tarballs of ofed kernel source pre-patched
>    for supported kernel versions.
> 
>    I plan to work with Vlad to run this script as part of
>    nightly builds, so that prepatched tarballs will become
>    available for download.
> 
> 3. configure script made re-entrant
>    configure script does not apply patches anymore:
>    all it does is create configure.mk.kernel and autoconf.h files.
> 
>    This finally makes it possible to change
>    configuration parameters just by re-running configure.
> 
>    For backwards-compatibility, if configure detects
>    that ofed_scripts/ofed_patch.sh was not run yet,
>    it prints a warning and runs it automatically.
> 
> Feedback wellcome.
> 
> -- 
> MST



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