Re: [PATCH v1] docs: describe how to quickly build Linux

From: Thorsten Leemhuis
Date: Sat Feb 25 2023 - 08:34:23 EST


On 25.02.23 10:29, Thorsten Leemhuis wrote:
> On 25.02.23 10:17, Pavel Machek wrote:
>
>>> + mkdir ~/linux/ ~/linux/sources ~/linux/build
>>> + git clone https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git \
>>> + ~/linux/sources
>>> + cd ~/linux/sources/
>>> + # hint: if you don't want to build any stable or longterm kernels, skip the
>>> + # next two commands
>>> + git remote add linux-stable \
>>> + https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
>>> + git fetch --all
>>> + # hint: if you want to apply patches, do it at this point (see below for details)
>>> + # hint: at this point it's recommended to tag your build (see below for details)
>>> + yes "" | make O=~/linux/build/ localmodconfig
>>> + # hint: at this point you might want or have to adjust the build configuration
>>> + # (see below for details)
>>> + # note: if you are running a Debian kernel, you'll have to adjust the configuration
>>> + # at this point (see below)
>>> + make -j $(nproc --all) O=~/linux/build/
>>
>> Is the complexity of using O= worth it for one-off kernel builds?
>
> That is a good question. I seemed like the right thing to do when I
> started writing this guide (maybe just because I've been doing it that
> way for ages), but now that you ask I'm unsure myself.
>
> /me wonders how others feel about it

/me should have pondered with the idea for more time before writing aboe
mail, because:

Having thought about this some more, I decided to drop it, the
complexity really is not worth it.

Many thx for the suggestion!

Ciao, Thorsten