Re: [Ltib] config option use BSP kernel headers with >= linux-2.6.17

[Peter Barada]

On 03/21/2013 02:36 PM, Stuart Hughes wrote:
> Hi Aaron,
>
> From what I recall 'make headers_install' is not sufficient on all
> platforms to provide the required interface.  IIRC the
> PKG_KERNEL_WANT_HEADERS leaves the actual kernel headers unpacked so
> that some packages can reach indirectly and grab what they want.

Stuart,
with the diff I provided (and adding
CNFIG_PKG_WANT_KERNEL_HEADERS_INSTALL=y in your platform .config), it
does install the kernel headers and is able to build kernel modules and
a bunch of the packages that need kernel headers.  Its independed of
whether the kernel source is left unpacked...

>
> Regards, Stuart
>
> On 19/03/13 19:35, Aaron Wegner wrote:
>> Going through the Git log of the Linux kernel it seems like there has been
>> a basic implementation of 'make headers_install' since about 2.6.17.  I
>> was trying to install the headers of a 3.8 kernel and running into some
>> problems.  I seemed to be able to overcome these by editing
>> dist/lfs-5.1/kernel/kernel-common.tmpl and replacing the
>> PKG_KERNEL_WANT_HEADERS section with the following.
>>
>> if [ -n "$PKG_KERNEL_WANT_HEADERS" ]
>> then
>>     make ARCH=$LINTARCH HOSTCC="$BUILDCC"
>> INSTALL_HDR_PATH=$RPM_BUILD_ROOT/%{pfx}/usr/src/linux headers_install
>> fi
>>
>> Maybe this could be a patch?  Not exactly sure how to specify the
>> condition that the kernel version is greater than or equal to one in which
>> the 'make headers_install' is working well, but for recent kernels the
>> current LTIB spec file fails since the includes are reordered from the old
>> way.
>>
>>
>> Thanks,
>>
>> Aaron
>>
>>
>>
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-- 
Peter Barada
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