[OE-core] [PATCH 2/6] gmp: Bring back version 4.2.1 (LGPL 2.1+)

[Khem Raj]

> On Aug 31, 2015, at 8:21 AM, Martin Jansa <martin.jansa at gmail.com> wrote:
> 
> On Mon, Aug 31, 2015 at 10:22:31AM -0300, Otavio Salvador wrote:
>> On Sat, Aug 29, 2015 at 7:18 AM, Richard Purdie
>> <richard.purdie at linuxfoundation.org> wrote:
>>> On Sat, 2015-08-29 at 10:43 +0200, Martin Jansa wrote:
>>>> Did you enable thumb in that qemuarm build?
>>>> 
>>>> 
>>>> It's disabled by default and multiple components are broken when you
>>>> enable it, see:
>>>> https://bugzilla.yoctoproject.org/show_bug.cgi?id=7717
>>> 
>>> I'm going to draw a line here. People are asking that the old version of
>>> gmp be brought back due license issues, fine. It doesn't mean that all
>>> the bugs in said old release should be fixed.
>>> 
>>> If thumb on arm with old gmp is an issue for people, I'd suggest that
>>> those people figure out which patches are needed and send the patches.
>>> Asking Jussi to deal with this isn't right/fair though.
>> 
>> I disagree. If it will be merged it ought to support what we are
>> testing nowadays otherwise the backlog will be kept growing forever...
> 
> FWIW: I don't mind getting it merged as is.
> 
> It improves situation for non-GPLv3 builds and if there is issue with
> thumb, then it was there before as well, so returning it doesn't make
> things worse.
> 
> My previous reply was just to show that building default qemuarm doesn't
> show anything, because thumb isn't enabled and gmp even isn't one of the
> recipes which are failing with thumb-1, maybe Khem meant some issues in
> runtime I don't know about.

It has issues working with thumb2 as well. Another problem it creates is building on-device toolchain
since gcc also depends on gmp and when you pin to older version of GMP, it starts to fail
Thats why I suggested to use mini-gmp ( same but reduced gmp ) can clear of this situation since it
will be a mini-gmp recipe and won’t interfere with toolchain.

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