Re: How to tame compiler?

[Michael Heerdegen]

Jean Louis <bugs@gnu.support> writes:

> As I have recently implemented new function that use `eval' to expand
> various variables and these variables are not visibly used in the
> program, I would like to tame the compiler, as I get these warnings:
>
> In rcd-send-email:
> rcd-mailing.el:225:62: Warning: Unused lexical variable `unsubscribe-url'
> rcd-mailing.el:231:21: Warning: Unused lexical variable `hello-name'
> rcd-mailing.el:234:72: Warning: Unused lexical variable `unsubscribe-text'
> rcd-mailing.el:252:11: Warning: Unused lexical variable `body'
>
> What is happening here is that those variables are used but inside of
> `eval' form which is expanded dynamically when program runs. Compiler
> cannot see that.
>
> Is there a way to avoid these warnings?

Independent from the question whether your usage of `eval' is good or
valid - there must be some real problem here: if the compiler tells that
the lexical variables are unused, their values will not be available in
you `eval' call - you would have to create dynamical bindings for that.


Regards,

Michael.