On Tue, Nov 07, 2017 at 08:06:05PM +0100, Jan Nieuwenhuizen wrote:
> Jan Nieuwenhuizen writes:
> 
> From 2a369f5151e0c7565fc271fb52def543b447477d Mon Sep 17 00:00:00 2001
> From: Jan Nieuwenhuizen <janneke@gnu.org>
> Date: Tue, 7 Nov 2017 20:02:35 +0100
> Subject: [PATCH] gnu: guile-emacs: compile with -g (rather than -O2?)
> 
> ---
>  gnu/packages/emacs.scm | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
> index c133c745c..5c33d0874 100644
> --- a/gnu/packages/emacs.scm
> +++ b/gnu/packages/emacs.scm
> @@ -293,6 +293,9 @@ editor (without an X toolkit)" )
>                                       ,@(package-arguments emacs))
>         ((#:phases phases)
>          `(modify-phases ,phases
> +           (add-before 'configure 'setenv
> +             (lambda _
> +               (setenv "CFLAGS" "-g")))
>             (add-after 'unpack 'autogen
>                        (lambda _
>                          (zero? (system* "sh" "autogen.sh"))))))))))

Couldn't this be a make-flag or a configure-flag?

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Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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