From 63fa1fcb043dc1da18254749672520dbcc8953b5 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Sat, 24 Feb 2018 10:37:54 -0500
Subject: [PATCH] kexectools: Only build on kexecable architectures.

---
 lib/systems/inspect.nix         | 3 +++
 pkgs/top-level/all-packages.nix | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/systems/inspect.nix b/lib/systems/inspect.nix
index 0fce5254dcb4..45c9360cc0f7 100644
--- a/lib/systems/inspect.nix
+++ b/lib/systems/inspect.nix
@@ -35,6 +35,9 @@ rec {
     MinGW        = { kernel = kernels.windows; abi = abis.gnu; };
 
     Musl         = with abis; map (a: { abi = a; }) [ musl musleabi musleabihf ];
+
+    Kexecable    = map (family: { kernel = kernels.linux; cpu.family = family; })
+                     [ "x86" "arm" "aarch64" "mips" ];
   };
 
   matchAnyAttrs = patterns:
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 70fcf54883a2..bc416c4052a6 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3063,7 +3063,9 @@ with pkgs;
 
   keepalived = callPackage ../tools/networking/keepalived { };
 
-  kexectools = callPackage ../os-specific/linux/kexectools { };
+  kexectools = if hostPlatform.isKexecable
+                 then callPackage ../os-specific/linux/kexectools { }
+               else null;
 
   keybase = callPackage ../tools/security/keybase { };