[Buildroot] git binary diffs are not supported

[Jörg Krause]

On 07/16/2014 07:36 PM, Mike Zick wrote:
> On Wed, 16 Jul 2014 15:25:04 +0200
> Thomas Petazzoni <thomas.petazzoni at free-electrons.com> wrote:
>
>> Dear Jörg Krause,
>>
>> On Wed, 16 Jul 2014 13:44:49 +0200, Jörg Krause wrote:
>>
>>> I am trying to apply a git binary patch to add a firmware binary
>>> blob to the linux kernel firmware directory. I am using git
>>> format-patch --binary -M -n -s to create the patch and copy it to
>>> the global patch directory. Trying to build linux fails while
>>> patching with the following error message:
>>>
>>>      git binary diffs are not supported.
>>>
>>> Do I missed something? I would be glad for any advice!
>> We don't use git to apply patches when building packages in Buildroot,
>> we use the plain old patch, which indeed doesn't support binary diffs.
>>
> The bsdiff / bspatch pair of utilities is probably still the preferred
> tools for patching binaries.
>
> With that thought in mind, it should still be possible to find an
> alternative to patching binaries in a build system.
>
> Those utilities where intended for use in post-build situations.
>
> Mike

But how can I tell buildroot to apply the patch with bsdiff/bspatch?

>
>> Not sure how to solve this situation. Does your firmware really needs
>> to be part of the kernel build process? Can't it be loaded from the
>> filesystem at boot time, as is done for all the firmwares in the
>> linux-firmware package? If that was possible, then you would simply
>> have to create a simple Buildroot package that installs your firmware
>> into /lib/firmware/.
>>
>> Best regards,
>>
>> Thomas
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