Mark,
Thanks for your reply.
You suggest to the port author to have emacs be the default and
supply a
variant to override the default, say xemacs. But if there is a common
library or file that indicates the presence of either, you could
use the
"lib:" form of dependent specification that would accept either
version of
emacs. It doesn't check for a port but a library of file. The ports
depending on X11 do this so you can either use Apple's X11 or the
one from
MacPorts. Like this:
lib:libX11.6:XFree86
Am I naive to propose that, in the case of something system-supplied
like Emacs, the dependency be omitted?
For Mozart it turns out I can override the default (emacs) by setting
an environment variable (OZEMACS=xemacs). Everyone can do this, so
IMHO the dependency on MacPorts emacs should be dropped.
cheers
peter
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