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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 19.01.16 at 20:24, <cardoe@xxxxxxxxxx> wrote:
> 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?
> 
> 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).

I'd prefer if you re-submitted.

Jan


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