From 7e1be588bf38ccec937d1ec6dbc0e851cd9180ce Mon Sep 17 00:00:00 2001
From: Thomas Strobel <ts468@cam.ac.uk>
Date: Fri, 3 Jul 2015 22:58:33 +0200
Subject: [PATCH] Leveldb: export helper functions of leveldb

---
 pkgs/development/libraries/leveldb/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/libraries/leveldb/default.nix b/pkgs/development/libraries/leveldb/default.nix
index fd668fbcad95..c32372e841ce 100644
--- a/pkgs/development/libraries/leveldb/default.nix
+++ b/pkgs/development/libraries/leveldb/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ sqlite kyotocabinet ];
 
   buildPhase = ''
-    make all db_bench{,_sqlite3,_tree_db} leveldbutil
+    make all db_bench{,_sqlite3,_tree_db} leveldbutil libmemenv.a
   '';
 
   installPhase = "
@@ -22,6 +22,8 @@ stdenv.mkDerivation rec {
     cp -r include $out
     cp lib* $out/lib
     cp db_bench{,_sqlite3,_tree_db} leveldbutil $out/bin
+    mkdir -p $out/include/leveldb/helpers
+    cp helpers/memenv/memenv.h $out/include/leveldb/helpers
   ";
 
   meta = with stdenv.lib; {