Weird "Symbol's function definition is void: ..."

[Jean-Christophe Helary]

I have installed ivy and imenu-list from the package system and added the 
following in my .emacs.el

(ivy-mode 1)

...

(imenu-list-minor-mode)

When I start emacs, I get the error message that the definitions are void, but 
then I enter .emacs.el and evaluate the two lines and get a proper evaluation 
(both return t)

How can I get the expected behavior of having Emacs evaluate both lines as t 
and proceed with the launch?


Jean-Christophe Helary
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@brandelune http://mac4translators.blogspot.com