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From: "Ozkan Sezer (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com]" <djgpp AT delorie DOT com>
Date: Wed, 25 Jan 2017 18:18:45 +0300
Message-ID: <CAA2C=vBjDbEcwz8Ybe2kc0vN_yadJjhMFxg5k_CHKgj9crBNsQ@mail.gmail.com>
Subject: Re: micropython djgpp build
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On 1/25/17, multisosnooley AT gmail DOT com [via djgpp AT delorie DOT com]
<djgpp AT delorie DOT com> wrote:
> On Wednesday, January 25, 2017 at 3:07:30 PM UTC+3, Ozkan Sezer
> (sezeroz AT gmail DOT com) [via djgpp AT delorie DOT com] wrote:
>> On 1/25/17, multisosnooley AT gmail DOT com [via djgpp AT delorie DOT com]
>> <djgpp AT delorie DOT com> wrote:
>> > Hi!
>> >
>> > We have a problem with building micropython with djgpp with
>> > '--gc-sections'
>> > flag active. It segfaults on linking.
>> > More info:
>> > https://github.com/micropython/micropython/issues/2560
>> > https://github.com/micropython/micropython/pull/2644
>> >
>>
>> Possibly related to this?
>> https://sourceware.org/bugzilla/show_bug.cgi?id=20401
>>
>> Which binutils version are you using?
>
> I don't exactly now which version of binutils was used in previous cases,
> but right now newest available is
> http://www.delorie.com/pub/djgpp/deleted/v2gnu/bnu226sr3.zip and in bug you
> reference fix comes in 2.27, but it is not released yet. Or?
>

There is a djgpp port of 2.27:
http://www.delorie.com/pub/djgpp/current/v2gnu/bnu227s.zip
http://www.delorie.com/pub/djgpp/current/v2gnu/bnu227b.zip
Besides, the fix is (should be) applicable to 2.26 too.

Looking at the links you provided:
https://github.com/micropython/micropython/issues/2560#issuecomment-260157891
mentions binutils 2.20.1.20100303: if that is version giving you the
segfault then I don't know, because but as far as I remember the
--gc-sections support for coff and pe targets began with
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0f088b2a
and that corresponds to either 2.25.1 or 2.26