From 47cd0febe957b698cc2ae28978bdc3bc89e787f9 Mon Sep 17 00:00:00 2001
From: Marius Bakke <mbakke@fastmail.com>
Date: Mon, 30 Mar 2020 15:07:49 +0200
Subject: [PATCH] gnu: rust: Build with Make 4.2.

Fixes <https://bugs.gnu.org/39949>.

* gnu/packages/rust.scm (rust-1.20)[native-inputs]: Add GNU-MAKE-4.2.
---
 gnu/packages/rust.scm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gnu/packages/rust.scm b/gnu/packages/rust.scm
index 6774603db6..5e5748f199 100644
--- a/gnu/packages/rust.scm
+++ b/gnu/packages/rust.scm
@@ -469,6 +469,10 @@ (define-public rust-1.20
                       (delete-file-recursively "src/llvm")
                       #t))
           (patches '())))
+      (native-inputs
+       `(;; The tests fail with newer versions of GNU Make.
+         ("make" ,gnu-make-4.2)
+         ,@(package-native-inputs base-rust)))
       (outputs '("out" "doc" "cargo"))
       ;; Since rust-1.19 is local, it's quite probable that Hydra
       ;; will build rust-1.19 only as a dependency of rust-1.20.