From 337bc2233cf7c7bfb124cb04b98bc44116188d71 Mon Sep 17 00:00:00 2001
From: Weijia Wang <9713184+wegank@users.noreply.github.com>
Date: Thu, 8 Jun 2023 17:48:23 +0300
Subject: [PATCH] dirdiff: add darwin support

---
 pkgs/tools/text/dirdiff/default.nix | 7 ++++++-
 pkgs/top-level/all-packages.nix     | 5 +----
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/pkgs/tools/text/dirdiff/default.nix b/pkgs/tools/text/dirdiff/default.nix
index 3577242fc0e..437743e66ef 100644
--- a/pkgs/tools/text/dirdiff/default.nix
+++ b/pkgs/tools/text/dirdiff/default.nix
@@ -23,6 +23,11 @@ stdenv.mkDerivation rec {
     done
   '';
 
+  env = {
+    NIX_CFLAGS_COMPILE = "-DUSE_INTERP_RESULT";
+    NIX_LDFLAGS = "-ltcl";
+  };
+
   # If we don't create the directories ourselves, then 'make install' creates
   # files named 'bin' and 'lib'.
   preInstall = ''
@@ -54,6 +59,6 @@ stdenv.mkDerivation rec {
     homepage = "https://www.samba.org/ftp/paulus/";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ khumba ];
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 68f9f4b56ff..c70f157e220 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6944,10 +6944,7 @@ with pkgs;
 
   dsp = callPackage ../tools/audio/dsp { };
 
-  dirdiff = callPackage ../tools/text/dirdiff {
-    tcl = tcl-8_5;
-    tk = tk-8_5;
-  };
+  dirdiff = callPackage ../tools/text/dirdiff { };
 
   dwdiff = callPackage ../applications/misc/dwdiff { };