From 9c45e208239d618355d4f8e092dcd626c8b3d263 Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Sun, 15 Jan 2017 19:34:16 +0200
Subject: [PATCH] dtc: Fix build after flex upgrade

http://hydra.nixos.org/build/46059338
---
 pkgs/top-level/all-packages.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 90be53fc3a0..589e8d8085f 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -1487,7 +1487,7 @@ in
 
   dtach = callPackage ../tools/misc/dtach { };
 
-  dtc = callPackage ../development/compilers/dtc { };
+  dtc = callPackage ../development/compilers/dtc { flex = flex_2_6_1; };
 
   dub = callPackage ../development/tools/build-managers/dub { };