From 27cd31e6a5f3cdc30741c837eb751707ff249d77 Mon Sep 17 00:00:00 2001
From: Ricardo Wurmus <rekado@elephly.net>
Date: Tue, 26 Mar 2019 20:21:40 +0100
Subject: [PATCH] gnu: open-adventure: Use INVOKE.

* gnu/packages/games.scm (open-adventure)[arguments]: Use INVOKE.
---
 gnu/packages/games.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 3a80ba72c6..3466748c6e 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -4816,7 +4816,7 @@ (define-public open-adventure
                (substitute* "Makefile"
                  ((".adoc.6:" line)
                   (string-append line " advent.adoc")))
-               (zero? (system* "make" ".adoc.6"))))
+               (invoke "make" ".adoc.6")))
            ;; There is no install target
            (replace 'install
              (lambda* (#:key outputs #:allow-other-keys)