bug#47558: 28.0.50; dlopen 'image not found' gccemacs native-lisp macos

[Eli Zaretskii]

> Date: Fri, 2 Apr 2021 17:29:22 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: Bryan O'Brien <bryan.m.obrien@gmail.com>, 47558@debbugs.gnu.org
> 
> It looks to me like the "-D" flag for the install command isn't
> available on macOS. I think the equivalent is "-d", which appears to
> do something different again on GNU/Linux.
> 
> Line 752 of Makefile.in:
> 
> ### Install native compiled Lisp files.
> install-eln:
> ifeq ($(HAVE_NATIVE_COMP),yes)
>       find native-lisp -type f -exec ${INSTALL_DATA} -D "{}" 
> "$(ELN_DESTDIR){}" \;
> endif

We should use mkdir explicitly, I think.