[erlang-questions] emacs tool and the -smp erlang option

Tomas Abrahamsson <>
Tue Nov 30 19:27:10 CET 2010


> Ok but the following modification:
> (defvar inferior-erlang-machine-options '("-smp")
> has no impact for me !

Hi, try

    (setq inferior-erlang-machine-options '("-smp"))

instead! The defvar special form sets a variable only
if it is undefined, while setq sets the variable regardless.
Thus, defvar is useful if you want to define a default value
and you can override it using setq in e.g your .emacs.

BRs
Tomas


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