From 26e82e684c7d6c450dd29916d842ef5bd0112969 Mon Sep 17 00:00:00 2001
From: Andrew Childs <lorne@cons.org.nz>
Date: Thu, 28 Mar 2019 15:58:45 +0900
Subject: [PATCH] emacs: only use patchelf on linux

This prevents building Emacs with X on Darwin.

Broken by 5af6e9f75e89dab40b2ac9cb9b0fe92cc66f1311 (#54916)
---
 pkgs/applications/editors/emacs/default.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/applications/editors/emacs/default.nix b/pkgs/applications/editors/emacs/default.nix
index 2f7a4233656..12d4c24ea4b 100644
--- a/pkgs/applications/editors/emacs/default.nix
+++ b/pkgs/applications/editors/emacs/default.nix
@@ -123,7 +123,7 @@ stdenv.mkDerivation rec {
     let libPath = lib.makeLibraryPath [
       libXcursor
     ];
-    in lib.optionalString (withX && toolkit == "lucid") ''
+    in lib.optionalString (stdenv.isLinux && withX && toolkit == "lucid") ''
       patchelf --set-rpath \
         "$(patchelf --print-rpath "$out/bin/emacs"):${libPath}" \
         "$out/bin/emacs"