From 523d6846a77f14960d9541b88c24f31920c36f8a Mon Sep 17 00:00:00 2001
From: Evan Danaher <git@edanaher.net>
Date: Wed, 2 Dec 2015 23:58:00 -0500
Subject: [PATCH] fvwm: add gestures option to use libstroke

---
 pkgs/applications/window-managers/fvwm/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/window-managers/fvwm/default.nix b/pkgs/applications/window-managers/fvwm/default.nix
index 6830e3a1c01..aded77a466d 100644
--- a/pkgs/applications/window-managers/fvwm/default.nix
+++ b/pkgs/applications/window-managers/fvwm/default.nix
@@ -1,8 +1,12 @@
-{ stdenv, fetchurl, pkgconfig
+{ gestures ? false
+, stdenv, fetchurl, pkgconfig
 , cairo, fontconfig, freetype, libXft, libXcursor, libXinerama
 , libXpm, librsvg, libpng, fribidi, perl
+, libstroke ? null
 }:
 
+assert gestures -> libstroke != null;
+
 stdenv.mkDerivation rec {
   name = "fvwm-2.6.5";
 
@@ -15,7 +19,7 @@ stdenv.mkDerivation rec {
     pkgconfig cairo fontconfig freetype
     libXft libXcursor libXinerama libXpm
     librsvg libpng fribidi perl
-  ];
+  ] ++ stdenv.lib.optional gestures libstroke;
 
   meta = {
     homepage = "http://fvwm.org";