From 535ba5f7f7400918211936e81e522ee93925ab54 Mon Sep 17 00:00:00 2001
From: Will Dietz <w@wdtz.org>
Date: Wed, 7 Mar 2018 17:38:15 -0600
Subject: [PATCH] lldb_4: fix w/gcc7

Same fix used in swift4, FWIW.
---
 pkgs/development/compilers/llvm/4/lldb.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/development/compilers/llvm/4/lldb.nix b/pkgs/development/compilers/llvm/4/lldb.nix
index 5ffc346a479..325149fc19b 100644
--- a/pkgs/development/compilers/llvm/4/lldb.nix
+++ b/pkgs/development/compilers/llvm/4/lldb.nix
@@ -41,6 +41,11 @@ stdenv.mkDerivation {
     "-DLLDB_CODESIGN_IDENTITY=" # codesigning makes nondeterministic
   ];
 
+  # Add missing include to fix error when using std::bind
+  prePatch = ''
+    sed -i -e '30i#include <functional>' include/lldb/Utility/TaskPool.h
+  '';
+
   enableParallelBuilding = true;
 
   postInstall = ''