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Re: [RFC] Increase Minimal GNU Make version for Linux Kernel from 3.80 to 3.81

From Michal Marek <mmarek@suse.com>
Newsgroups linux.kernel
Subject Re: [RFC] Increase Minimal GNU Make version for Linux Kernel from 3.80 to 3.81
Date 2017-05-03 15:30 +0200
Message-ID <tD2vU-5V7-7@gated-at.bofh.it> (permalink)
References <tCWgN-1jK-9@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2017-05-03 08:46, Masahiro Yamada wrote:
> Hello Linus and Kbuild developers.
> 
> 
> Documentation/process/changes.rst says the minimal version
> of GNU Make is 3.80, but actually building the kernel
> with this version has been broken for a long time.
> 
> Specifically, it got broken by commit c8589d1e9e01 (i.e. Linux 3.18).
> Sorry, it's me who broke it.
> 
> Here is my excuse:
> - It is almost 3 years since then, but nobody complained about it.
> - GNU Make 3.80 is almost 15 years old.
>   (Even GNU Make 3.81 was released in 2006.)
> - People seldom test their makefiles on such old GNU Make version,
>   so they often use some features that are not supported by version 3.80.

Agreed. It's not just the kbuild change that broke it, but as you say,
new make features tend creep into random Makefiles. So I'm fine
adjusting the documentation to match reality.

Adding Jan Beulich to Cc, who to fix these cases in the past.

Michal

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Thread

[RFC] Increase Minimal GNU Make version for Linux Kernel from 3.80 to 3.81 Masahiro Yamada <yamada.masahiro@socionext.com> - 2017-05-03 08:50 +0200
  Re: [RFC] Increase Minimal GNU Make version for Linux Kernel from  3.80 to 3.81 Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-05-03 14:10 +0200
  Re: [RFC] Increase Minimal GNU Make version for Linux Kernel from  3.80 to 3.81 Michal Marek <mmarek@suse.com> - 2017-05-03 15:30 +0200
    Re: [RFC] Increase Minimal GNU Make version for Linux Kernel  from 3.80 to 3.81 "Jan Beulich" <JBeulich@suse.com> - 2017-05-03 15:50 +0200
  Re: [RFC] Increase Minimal GNU Make version for Linux Kernel from  3.80 to 3.81 Linus Torvalds <torvalds@linux-foundation.org> - 2017-05-03 17:50 +0200

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