emacs: only use patchelf on linux

This prevents building Emacs with X on Darwin. Broken by 5af6e9f75e89dab40b2ac9cb9b0fe92cc66f1311 (#54916)
2019-03-28 15:58:45 +09:00 · 2019-03-28 15:58:45 +09:00 · 26e82e684c
commit 26e82e684c
parent b16b1b377b
1 changed files with 1 additions and 1 deletions
--- 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"