From 6e9bd9385da811a79d0b711e14ee2e1ae02ca433 Mon Sep 17 00:00:00 2001
From: arcnmx <arcnmx@users.noreply.github.com>
Date: Sun, 28 Jul 2019 10:08:18 -0700
Subject: [PATCH] duc: optional x11/cairo

Also enable darwin hydra builds.
---
 pkgs/tools/misc/duc/default.nix | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/pkgs/tools/misc/duc/default.nix b/pkgs/tools/misc/duc/default.nix
index f5091ac9720a..82b29bb67f66 100644
--- a/pkgs/tools/misc/duc/default.nix
+++ b/pkgs/tools/misc/duc/default.nix
@@ -1,4 +1,10 @@
-{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig, tokyocabinet, cairo, pango, ncurses }:
+{ stdenv, fetchFromGitHub, autoreconfHook, pkgconfig
+, tokyocabinet, ncurses
+, cairo ? null, pango ? null
+, enableCairo ? stdenv.isLinux
+}:
+
+assert enableCairo -> cairo != null && pango != null;
 
 stdenv.mkDerivation rec {
   name = "duc-${version}";
@@ -12,14 +18,18 @@ stdenv.mkDerivation rec {
   };
 
   nativeBuildInputs = [ autoreconfHook pkgconfig ];
-  buildInputs = [ tokyocabinet cairo pango ncurses ];
+  buildInputs = [ tokyocabinet ncurses ] ++
+    stdenv.lib.optionals enableCairo [ cairo pango ];
+
+  configureFlags =
+    stdenv.lib.optionals (!enableCairo) [ "--disable-x11" "--disable-cairo" ];
 
   meta = with stdenv.lib; {
     homepage = http://duc.zevv.nl/;
     description = "Collection of tools for inspecting and visualizing disk usage";
     license = licenses.gpl2;
 
-    platforms = platforms.linux;
+    platforms = platforms.all;
     maintainers = [ maintainers.lethalman ];
   };
 }