From 49db5c9de6c6f8a79c30b5364edda6040a39521d Mon Sep 17 00:00:00 2001
From: Andrew Brooks <andrewgrantbrooks@gmail.com>
Date: Tue, 11 May 2021 10:17:54 -0500
Subject: [PATCH] tclx: simplify postInstall phase

Co-authored-by: Sandro <sandro.jaeckel@gmail.com>
---
 pkgs/development/libraries/tclx/default.nix | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/pkgs/development/libraries/tclx/default.nix b/pkgs/development/libraries/tclx/default.nix
index 9582aabf654a..27602684c171 100644
--- a/pkgs/development/libraries/tclx/default.nix
+++ b/pkgs/development/libraries/tclx/default.nix
@@ -11,10 +11,9 @@ tcl.mkTclDerivation rec {
   };
 
   # required in order for tclx to properly detect tclx.tcl at runtime
-  postInstall =
-    let tclXPkg = "tclx${version}";
-        tclXLib = "$prefix/lib/${tclXPkg}";
-     in "ln -s ${tclXLib} ${tclXLib}/${tclXPkg}";
+  postInstall = ''
+    ln -s $prefix/lib/${tclXPkg} $prefix/lib/tclx${version}/tclx${version}
+  '';
 
   meta = {
     homepage = "http://tclx.sourceforge.net/";