Re: About DLLs needed by Emacs (W64)

[Fabrice Popineau <fabrice.popineau-LuT7N8upsGq9tw52UnRK6UZa+K1vlBrA@public.gmane.org>]

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2017-11-20 16:04 GMT+01:00 Óscar Fuentes <ofv-39ZsbGIQGT7e5aOfsHch1g@public.gmane.org>:

> Fabrice Popineau
> <fabrice.popineau-LuT7N8upsGq9tw52UnRK6UZa+K1vlBrA@public.gmane.org>
> writes:
>
> >>> Just out of curiosity, given the Emacs executable, is there a way to
> know
> >>> the MSYS2/MinGW64 DLLs it needs? On MSYS2 I tried:
> >>>
> >>> ldd Emacs/bin/emacs-27.0.50.exe
> >>> but it prints only Windows DLLs not all the others which come from
> >>> MSYS2/MinGW64...
> >>>
> >>
> >> Hi. Use ntldd (installable via pacman) or Dependency Walker.
> >
> >
> > Will it find the libraries that loaded at runtime ? And their
> dependencies ?
>
> Dunno about ntldd, but if you execute Emacs from Dependency Walker it
> will report dlls loaded at runtime.
>

Yes, if you _execute_ emacs from DependencyWalker and if you request that
the dll be loaded.
Until then, you don't know.
I have built a list of dlls that maybe requested by emacs using pacman.
I used pacman to know which package holds some dll like gnutls, and then I
listed all
its dependencies, and filtered the dlls in the dependencies.

Unfortunately, knowing the dlls is not enough. For example, gnutls also
need to have an accessible
ca-bundle for certificates. ImageMagick needs all its helpers to handle
various file formats, etc.

Fabrice

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