Re: [PATCH 0/3] build linux-next without perl
From: Andrew Morton
Date: Wed Feb 27 2013 - 16:52:01 EST
On Tue, 26 Feb 2013 21:57:52 -0800 (PST)
Rob Landley <rob@xxxxxxxxxxx> wrote:
> Before 2.6.25 building Linux never required perl. This patch series removes
> the requirement from basic kernel builds (tested on i686, x86_64, arm, mips,
> powerpc, sparc, sh4, and m68k). Now updated to 3.8-rc1.
> Note, this removes perl from the _build_ environment, not from the _development_
> environment. This is approximately the same logic behind "make menuconfig"
> requiring curses but "make oldconfig" not requiring curses. Including
> zconf.lex.c_shipped in kconfig and then requiring perl makes no sense.
> Mostly people just copy the patches into their local projects (ala
> https://github.com/rofl0r/sabotage/tree/master/KEEP ) but I'm reposting
> them to linux-kernel after Gentoo considered using these patches, but didn't
> because they weren't upstream:
Sitting here scratching head wondering why you-need-perl is a problem
That gentoo bug report provides some explanation: "perl was removed
from @system". But I expect other people have different reasons.
IOW, please better describe the motivation for this patchset.
It'll need to be reasonably good motivation, too. Because not only do
we need to patch the kernel, we also need to *maintain* its
perl-freeness and fix up perlisms as they later get added by others.
(Perhaps one way of doing this would be to disable perl in regular
builds, so even if a developer has perl installed on his machine, his
build will still fail when he invokes it. Add "PERL=/dev/null" to some
build targets in some manner.)
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