From aeda45821da6f63ec17533194c1503d83e626874 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Josef=20Kemetm=C3=BCller?= <josef.kemetmueller@gmail.com>
Date: Thu, 7 Jun 2018 00:00:42 +0200
Subject: [PATCH] rPackages.mgcv: fix darwin build

This fixes the error:
    ld: library not found for -liconv
---
 pkgs/development/r-modules/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/development/r-modules/default.nix b/pkgs/development/r-modules/default.nix
index 00a84bf0e0a4..35822fa78bd4 100644
--- a/pkgs/development/r-modules/default.nix
+++ b/pkgs/development/r-modules/default.nix
@@ -437,6 +437,7 @@ let
     KernSmooth = [ pkgs.libiconv ];
     nlme = [ pkgs.libiconv ];
     Matrix = [ pkgs.libiconv ];
+    mgcv = [ pkgs.libiconv ];
   };
 
   packagesRequireingX = [