From 3d1a5a3ec74bab3ce2ddce23b51d5e869df94363 Mon Sep 17 00:00:00 2001
From: Adam Faiz <adam.faiz@disroot.org>
Date: Sun, 20 Nov 2022 09:25:31 +0800
Subject: gnu: chipmunk: Fix build.

* gnu/packages/game-development.scm (chipmunk)[source]: Don't include
the <sys/sysctl.h> header. It has been removed in glibc since 2.32.

Signed-off-by: Efraim Flashner <efraim@flashner.co.il>
---
 gnu/packages/game-development.scm | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'gnu/packages/game-development.scm')

diff --git a/gnu/packages/game-development.scm b/gnu/packages/game-development.scm
index 90205a89ab..b319f2fef3 100644
--- a/gnu/packages/game-development.scm
+++ b/gnu/packages/game-development.scm
@@ -2444,7 +2444,14 @@ computer games, 3D authoring tools and simulation tools.")
              (commit (string-append "Chipmunk-" version))))
        (file-name (git-file-name name version))
        (sha256
-        (base32 "1qmkn01g06p3rnhmbyffmjns6wj5vhgf9cscigk3wzxcpwv1hyxb"))))
+        (base32 "1qmkn01g06p3rnhmbyffmjns6wj5vhgf9cscigk3wzxcpwv1hyxb"))
+       (modules '((guix build utils)))
+       (snippet
+        #~(begin
+            ;; This is fixed in the upstream repository but the fix
+            ;; has not been released.
+            (substitute* "src/cpHastySpace.c"
+              (("#include <sys/sysctl.h>") ""))))))
     (build-system cmake-build-system)
     (arguments
      `(#:tests? #f                      ;no test
-- 
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