From dab017a40f54097ba6f5837f087663e0b2009dd2 Mon Sep 17 00:00:00 2001
From: Mario Rodas <marsam@users.noreply.github.com>
Date: Wed, 27 May 2020 20:20:20 -0500
Subject: [PATCH] tudu: enable on darwin

---
 pkgs/applications/office/tudu/default.nix | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/pkgs/applications/office/tudu/default.nix b/pkgs/applications/office/tudu/default.nix
index 9cc622ca9ef..6094e02c5c1 100644
--- a/pkgs/applications/office/tudu/default.nix
+++ b/pkgs/applications/office/tudu/default.nix
@@ -1,6 +1,6 @@
 { stdenv, fetchurl, ncurses }:
-stdenv.mkDerivation rec {
 
+stdenv.mkDerivation rec {
   pname = "tudu";
   version = "0.10.4";
 
@@ -11,10 +11,15 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ ncurses ];
 
-  meta = {
+  preConfigure = stdenv.lib.optionalString stdenv.cc.isClang ''
+    substituteInPlace configure \
+      --replace 'echo "main()' 'echo "int main()'
+  '';
+
+  meta = with stdenv.lib; {
     description = "ncurses-based hierarchical todo list manager with vim-like keybindings";
     homepage = "https://code.meskio.net/tudu/";
-    license = stdenv.lib.licenses.gpl3;
-    platforms = stdenv.lib.platforms.linux;
+    license = licenses.gpl3;
+    platforms = platforms.unix;
   };
 }