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

[Doug Goldstein <cardoe@xxxxxxxxxx>]

On 1/19/16 2:48 AM, Jan Beulich wrote:
>>>> On 18.01.16 at 18:21, <cardoe@xxxxxxxxxx> wrote:
>> 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).
>>
>> 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.
> 
> Then how about 2.16.1 and 3.80 respectively as the initial line?
> 
> Jan
> 

Sounds great to me. Would you like me to resubmit or do you want to make
that change. I'm ok if you throw away my patch and author it yourself.
Whatever is easiest for you (or whoever commits it).

-- 
Doug Goldstein

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