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Re: [Xen-devel] [PATCH] build: specify minimum versions of make and binutils

On 1/18/16 11:03 AM, Jan Beulich wrote:
>>>> On 18.01.16 at 17:53, <cardoe@xxxxxxxxxx> wrote:
>> To help people avoid having to figure out what versions of make and
>> binutils need to be supported document them explicitly. The version of
>> binutils that had to be supported was mentioned in
>> http://lists.xenproject.org/archives/html/xen-devel/2016-01/msg00609.html 
>> as 2.17. Knowing that Jan got these versions from SLES10 I looked up the
>> version of GNU make from the same vintage (mid-2006) and landed on 3.81.
> I'm afraid that same SLE10 has been using binutils 2.16.9<n>.<something>
> and make 3.80. While (still building Xen there once in a while) I'd probably
> not be in big trouble if we decided we don't want to support that old an
> environment anymore, I don't think we can just go and document higher
> versions than we so far allowed. We'd first need to settle on where to
> draw the line nowadays (which then likely would mean a gcc minimal
> version bum too).
> Jan

Not a problem. I was just trying to take the situation from a guessing
game to be explicitly called out. I was documenting what my logic was
behind the version numbers I selected. I wasn't able to compare dates
with binutils because their repo goes from 2003 to 2011 [1]. So I went
back to SLES10's release date [2] and the GCC 4.1.0 release date [3] to
compare it with GNU make [4].

Honestly I'd be happy if we just drew a line in the sand so that its
clear what I need to test against when I submit patches. I don't really
care where the line is.

[1] https://ftp.gnu.org/gnu/binutils/
[3] https://gcc.gnu.org/releases.html
[4] https://ftp.gnu.org/gnu/make/

Doug Goldstein

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