From ac07356b08595f288c5d01eff4bd7d342c8d7ff7 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Wed, 23 Oct 2019 13:49:56 +0200
Subject: flake.nix: Support multiple platforms

---
 flake.lock |  6 +++---
 flake.nix  | 45 +++++++++++++++++++++++++++------------------
 2 files changed, 30 insertions(+), 21 deletions(-)

diff --git a/flake.lock b/flake.lock
index 70a433b..00639c7 100644
--- a/flake.lock
+++ b/flake.lock
@@ -2,9 +2,9 @@
     "inputs": {
         "nixpkgs": {
             "inputs": {},
-            "narHash": "sha256-HGlE2VNbdEjCP76hWAS72kHBlMWhpvqWo58Obg1Vy6s=",
-            "originalUri": "nixpkgs",
-            "uri": "github:edolstra/nixpkgs/13e1bce51f4aebdf3db58ce8c4a93e904a272bff"
+            "narHash": "sha256-yfhWbT0TL6NiCc5lCXauGsImnpDFNHV7ngjyUYrm6CY=",
+            "originalUrl": "nixpkgs",
+            "url": "github:edolstra/nixpkgs/d4a07f018e707b31a0eb7aff3f2838d01d53a0df"
         }
     },
     "version": 3
diff --git a/flake.nix b/flake.nix
index e69412a..bc24bf4 100644
--- a/flake.nix
+++ b/flake.nix
@@ -3,30 +3,39 @@
 
   description = "A tool for modifying ELF executables and libraries";
 
-  outputs = { self, nixpkgs }: rec {
+  outputs = { self, nixpkgs }:
 
-    overlay = final: prev: {
+    let
+      supportedSystems = [ "x86_64-linux" "i686-linux" "aarch64-linux" ];
+      forAllSystems = f: nixpkgs.lib.genAttrs supportedSystems (system: f system);
+    in
 
-      patchelf-new = final.stdenv.mkDerivation {
-        name = "patchelf-${hydraJobs.tarball.version}";
-        src = "${hydraJobs.tarball}/tarballs/*.tar.bz2";
-      };
+    rec {
 
-    };
+      overlay = final: prev: {
 
-    hydraJobs = import ./release.nix {
-      patchelfSrc = self;
-      nixpkgs = nixpkgs;
-    };
+        patchelf-new = final.stdenv.mkDerivation {
+          name = "patchelf-${hydraJobs.tarball.version}";
+          src = "${hydraJobs.tarball}/tarballs/*.tar.bz2";
+        };
 
-    checks.build = hydraJobs.build.x86_64-linux;
+      };
 
-    packages.patchelf = (import nixpkgs {
-      system = "x86_64-linux";
-      overlays = [ self.overlay ];
-    }).patchelf-new;
+      hydraJobs = import ./release.nix {
+        patchelfSrc = self;
+        nixpkgs = nixpkgs;
+      };
+
+      checks = forAllSystems (system: {
+        build = hydraJobs.build.${system};
+      });
 
-    defaultPackage = packages.patchelf;
+      defaultPackage = forAllSystems (system:
+        (import nixpkgs {
+          inherit system;
+          overlays = [ self.overlay ];
+        }).patchelf-new
+      );
 
-  };
+    };
 }
-- 
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