Subject: [bug#36477] [PATCH 26/31] gnu: tcsh: Fix cross-compilation.

From: Marius Bakke <[email-masked]>
Date: Mon, 08 Jul 2019 20:26:43 +0200

Mathieu Othacehe <[email-masked]> writes:

> * gnu/packages/shells.scm (tcsh)[arguments]: Replace "cc" by "gcc" as
> native gethost compiler when cross-compiling.
> ---
>  gnu/packages/shells.scm | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/gnu/packages/shells.scm b/gnu/packages/shells.scm
> index f8c0fdf71f..6eed89396e 100644
> --- a/gnu/packages/shells.scm
> +++ b/gnu/packages/shells.scm
> @@ -11,6 +11,7 @@
>  ;;; Copyright © 2017 Arun Isaac <[email-masked]>
>  ;;; Copyright © 2019 Meiyo Peng <[email-masked]>
>  ;;; Copyright © 2019 Timothy Sample <[email-masked]>
> +;;; Copyright © 2019 Mathieu Othacehe <[email-masked]>
>  ;;;
>  ;;; This file is part of GNU Guix.
>  ;;;
> @@ -356,6 +357,14 @@ written by Paul Haahr and Byron Rakitzis.")
>      (arguments
>       `(#:phases
>          (modify-phases %standard-phases
> +          ,@(if (%current-target-system)
> +                '((add-before 'configure 'set-cross-cc
> +                     (lambda _
> +                       (substitute* "configure"
> +                         (("CC_FOR_GETHOST=\"cc\"")
> +                          "CC_FOR_GETHOST=\"gcc\""))
> +                       #t)))
> +                '())

Actually, can we pass this in #:configure-flags instead?  Maybe even
also for the native build?