bug#2614: 20.0.91; coredump if cannot find stuff on startup

[Marshall, Simon]

  > I have built emacs on one Solaris machine under my home directory
and attempted
  > to run it on another.  It dies like this:
  > 
  > Warning: arch-independent data dir
(/usr/local/share/emacs/23.0.91/etc/) does
  > not exist.
  > Error: charsets directory
(/usr/local/share/emacs/23.0.91/etc/charsets) does
  > not exist.
  > Emacs will not function correctly without the character map files.
  > Please check your installation!
  > Fatal error (11)Segmentation fault (core dumped)
  > 
  > I suspect the warning are a bit of a red-herring because they do not
existing
  > on the build machine either. 

> They should be on the build machine, they are in the emacs source
tree,
> in emacs/etc/charsets.

What I meant is that they are not on the build machine _in the
directories_ that Emacs says it expects to find them.  (As I implied, I
do not install pretests, I run them from where I build them.)  Since
Emacs does not crash when run on the build machine, I figure that the
warnings are misleading.

At the very least, Emacs should not coredump.  Emacs 22.3 doesn't
coredump.


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