From 3cbef19a90b2cf82040a9e0c1428cf842044538b Mon Sep 17 00:00:00 2001
From: Efraim Flashner <efraim@flashner.co.il>
Date: Sun, 12 Jun 2022 10:59:45 +0300
Subject: gnu: zig: Limit to 64bit systems.

* gnu/packages/zig.scm (zig)[supported-systems]: New field.
---
 gnu/packages/zig.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/zig.scm b/gnu/packages/zig.scm
index 9e99fdb857..cda93bed2e 100644
--- a/gnu/packages/zig.scm
+++ b/gnu/packages/zig.scm
@@ -2,6 +2,7 @@
 ;;; Copyright © 2021 Liliana Marie Prikler <liliana.prikler@gmail.com>
 ;;; Copyright © 2021 Sarah Morgensen <iskarian@mgsn.dev>
 ;;; Copyright © 2021 Calum Irwin <calumirwin1@gmail.com>
+;;; Copyright © 2022 Efraim Flashner <efraim@flashner.co.il>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -99,4 +100,7 @@ toolchain.  Among other features it provides
 @item concurrency via async functions.
 @end itemize")
     (home-page "https://github.com/ziglang/zig")
+    ;; Currently building zig can take up to 10GB of RAM for linking stage1:
+    ;; https://github.com/ziglang/zig/issues/6485
+    (supported-systems %64bit-supported-systems)
     (license license:expat)))
-- 
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