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From: Eli Zaretskii <eliz@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Emacs 28 pretest MS Windows snapshots
Date: Sat, 04 Jul 2020 20:49:15 +0300
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In-Reply-To: <83v9j3tbxe.fsf@gnu.org> (message from Eli Zaretskii on Sat, 04
 Jul 2020 20:41:49 +0300)
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> Date: Sat, 04 Jul 2020 20:41:49 +0300
> From: Eli Zaretskii <eliz@gnu.org>
> Cc: drew.adams@oracle.com, emacs-devel@gnu.org
> 
> > dependency walker mentions libgmp (with a grey box rather than a red
> > one) for Emacs-28, but does not for Emacs-27.
> 
> Can you show the full link command in each case?  To display it, touch
> some object file in src/, then say "make V=1".

Also: did you build both 27 and 28 with the same toolchain, the same
version of GCC and the MinGW runtime?