[oe] [meta-oe][for-denzil][PATCH 1/8] kernel: save $kerndir/tools and $kerndir/lib from pruning

[Koen Kooi]

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One day I will figure out how to write a cover letter :)

The matching OE-core patchset is in denzil-next for testing and will
hopefully get merged soon (provided it passes the testsuite).

My main objective is to support on-target builds of external kernel-modules
and initial reports are that it is working as expected.

Since there's a bitbake.conf change needed the matching oe-core set needs to
go in first and ideally this goes in right after that (provided this passes
the testsuite as well).

As you can imagine, this kind of inter-layer dependency sucks, but I don't
see a way around it in this case with the bitbake.conf change.

Op 06-09-12 13:23, Koen Kooi schreef:
> From: Bruce Ashfield <bruce.ashfield at windriver.com>
> 
> The kernel source tree in the sysroot has all unecessary source code
> removed. The existing use case is to support module building out of the
> sysroot, but as more toolsa are moved into the kernel tree itself there
> are new use cases for the kernel sysroot source.
> 
> To avoid putting dependencies on the kernel, and to be able to 
> individually build and package these tools out of the source tree, we can
> save $kerndir/tools and $kernddir/lib from being removed. This enables
> tools like perf to be built our of the kernel source in the sysroot,
> without significantly increasing the amount of source in the sysroot.
> 
> Signed-off-by: Bruce Ashfield <bruce.ashfield at windriver.com> 
> Signed-off-by: Richard Purdie <richard.purdie at linuxfoundation.org> 
> Signed-off-by: Martin Jansa <Martin.Jansa at gmail.com> Signed-off-by: Koen
> Kooi <koen at dominion.thruhere.net> --- meta-oe/classes/kernel.bbclass |
> 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/meta-oe/classes/kernel.bbclass
> b/meta-oe/classes/kernel.bbclass index ce82351..c44a2f5 100644 ---
> a/meta-oe/classes/kernel.bbclass +++ b/meta-oe/classes/kernel.bbclass @@
> -178,7 +178,7 @@ kernel_do_install() { # oe_runmake -C $kerneldir
> CC="${KERNEL_CC}" LD="${KERNEL_LD}" clean make -C $kerneldir
> _mrproper_scripts -	find $kerneldir -path $kerneldir/scripts -prune -o
> -name "*.[csS]" -exec rm '{}' \; +	find $kerneldir -path $kerneldir/lib
> -prune -o -path $kerneldir/tools -prune -o -path $kerneldir/scripts
> -prune -o -name "*.[csS]" -exec rm '{}' \; find $kerneldir/Documentation
> -name "*.txt" -exec rm '{}' \;
> 
> # As of Linux kernel version 3.0.1, the clean target removes
> 

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