From c1e53166ade2f84649e48366e3a21922a5291960 Mon Sep 17 00:00:00 2001
From: Jan Tojnar <jtojnar@gmail.com>
Date: Thu, 26 Apr 2018 23:00:36 +0200
Subject: [PATCH] Revert "sympow: don't use placeholder"

This reverts commit bae15c811f182132c77f3c20b6785c9297e8498f.
---
 pkgs/development/libraries/science/math/sympow/default.nix | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/science/math/sympow/default.nix b/pkgs/development/libraries/science/math/sympow/default.nix
index c34701e3f91..f421755b618 100644
--- a/pkgs/development/libraries/science/math/sympow/default.nix
+++ b/pkgs/development/libraries/science/math/sympow/default.nix
@@ -34,13 +34,11 @@ stdenv.mkDerivation rec {
     makeWrapper "$out/share/sympow/sympow" "$out/bin/sympow" \
       --run 'export SYMPOW_LOCAL="$HOME/.local/share/sympow"' \
       --run 'if [ ! -d "$SYMPOW_LOCAL" ]; then
-        mkdir -p "$SYMPOW_LOCAL"
-        cp -r @out@/share/sympow/* "$SYMPOW_LOCAL"
+        mkdir -p "$SYMPOW_LOCAL" 
+        cp -r ${placeholder "out"}/share/sympow/* "$SYMPOW_LOCAL"
         chmod -R +xw "$SYMPOW_LOCAL"
     fi' \
       --run 'cd "$SYMPOW_LOCAL"'
-    substituteInPlace $out/bin/sympow --subst-var out
-
     runHook postInstall
   '';