Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de> skribis:

> From c4888d11730061d73a7a242099999d35d4ad5c0f Mon Sep 17 00:00:00 2001
> From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
> Date: Mon, 11 May 2015 15:50:34 +0200
> Subject: [PATCH] gnu: icedtea6: Add target-dependent include directory to
>  CPATH.
>
> * gnu/packages/java.scm (gcj-4.8)[arguments]: Add target-dependent GCJ include
>   directory to CPATH environment variable.
> ---
>  gnu/packages/java.scm | 12 ++++++++++--
>  1 file changed, 10 insertions(+), 2 deletions(-)
>
> diff --git a/gnu/packages/java.scm b/gnu/packages/java.scm
> index 2a56769..182ada6 100644
> --- a/gnu/packages/java.scm
> +++ b/gnu/packages/java.scm
> @@ -459,11 +459,19 @@ build process and its dependencies, whereas Make uses Makefile format.")
>            (alist-cons-before
>             'configure 'set-additional-paths
>             (lambda* (#:key inputs #:allow-other-keys)
> +             (use-modules (ice-9 popen))
> +             (use-modules (ice-9 rdelim))

Instead of these ‘use-modules’, could you instead do: