From bb9f138f00f4b77218e50ecf905074c238c2b4f2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Mon, 6 Jul 2020 11:00:00 +0200
Subject: [PATCH] mono5: fixup build by using older gnumake

Of course, feel free to find a better fix.  For simplicity,
I switched all mono versions, even though 4 and 6 built fine on Hydra.
---
 pkgs/development/compilers/mono/generic.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/compilers/mono/generic.nix b/pkgs/development/compilers/mono/generic.nix
index e4d99dcec95..c510f372666 100644
--- a/pkgs/development/compilers/mono/generic.nix
+++ b/pkgs/development/compilers/mono/generic.nix
@@ -1,4 +1,5 @@
 { stdenv, fetchurl, bison, pkgconfig, glib, gettext, perl, libgdiplus, libX11, callPackage, ncurses, zlib, withLLVM ? false, cacert, Foundation, libobjc, python, version, sha256, autoconf, libtool, automake, cmake, which
+, gnumake42
 , enableParallelBuilding ? true
 , srcArchiveSuffix ? "tar.bz2"
 , extraPatches ? []
@@ -16,6 +17,7 @@ stdenv.mkDerivation rec {
     url = "https://download.mono-project.com/sources/mono/${pname}-${version}.${srcArchiveSuffix}";
   };
 
+  nativeBuildInputs = [ gnumake42 ];
   buildInputs =
     [ bison pkgconfig glib gettext perl libgdiplus libX11 ncurses zlib python autoconf libtool automake cmake which
     ]