From be3d3dd29855a1112d9539db9e26d28fc6686058 Mon Sep 17 00:00:00 2001
From: Charles Strahan <charles.c.strahan@gmail.com>
Date: Wed, 15 Apr 2015 19:24:04 -0400
Subject: [PATCH] bundlerEnv: fix charlock_holmes config

---
 .../interpreters/ruby/bundler-env/default-gem-config.nix        | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix b/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
index cadda288764..b7ddfdea80b 100644
--- a/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
+++ b/pkgs/development/interpreters/ruby/bundler-env/default-gem-config.nix
@@ -31,7 +31,7 @@ in
 
 {
   charlock_holmes = attrs: {
-    buildInputs = [ which icu ];
+    buildInputs = [ which icu zlib ];
   };
 
   ffi = attrs: {