Re: dir-locals.el process-environment

[edgar@openmail.cc]

> Message: 1
> Date: Mon, 26 Feb 2018 21:15:13 +0200
> From: Eli Zaretskii <eliz@gnu.org>
> To: help-gnu-emacs@gnu.org
> Subject: Re: dir-locals.el process-environment
> Message-ID: <83k1uz1s1q.fsf@gnu.org>
> 
>> However, if I printf "$CC" I get nothing. How can I achieve this?
> 
> What exactly do you do to 'printf "$CC"'?

Thanks for your reply, Eli! I'm sorry that I was not clear. This is how
I do it:

┌──── emacs-lisp
│ (
│  ("src"                   ;https://stackoverflow.com/a/19521152
│   . ((c++-mode            
;https://www.gnu.org/software/emacs/manual/html_node/emacs/Directory-Variables.html
│       .
│       ((eval              ;https://emacs.stackexchange.com/a/35965
│         . (progn
│             (make-local-variable 'process-environment)
│             (setq process-environment
│                   (copy-sequence process-environment))
│             (setenv "CC" "mpicc")))
│        (compile-command . "printf x$CC"))))))
└────

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