From c3bf521f188f2b71b0d74b6722ecf922b65033c9 Mon Sep 17 00:00:00 2001
From: Ben Gamari <ben@smart-cactus.org>
Date: Sun, 29 Oct 2017 13:50:33 -0400
Subject: [PATCH] procps: Enable cross-compilation

---
 pkgs/os-specific/linux/procps-ng/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/os-specific/linux/procps-ng/default.nix b/pkgs/os-specific/linux/procps-ng/default.nix
index 4023ea5c69f9..cc5e3dd5190c 100644
--- a/pkgs/os-specific/linux/procps-ng/default.nix
+++ b/pkgs/os-specific/linux/procps-ng/default.nix
@@ -16,7 +16,10 @@ stdenv.mkDerivation rec {
   enableParallelBuilding = true;
 
   # Too red
-  configureFlags = [ "--disable-modern-top" ];
+  configureFlags = [ "--disable-modern-top" ]
+    ++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform)
+    [ "ac_cv_func_malloc_0_nonnull=yes"
+      "ac_cv_func_realloc_0_nonnull=yes" ];
 
   meta = {
     homepage = https://sourceforge.net/projects/procps-ng/;