From e20188f181ca51882984daaee237a95f2fc5e7c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <vcunat@gmail.com>
Date: Tue, 19 Feb 2019 18:18:04 +0100
Subject: [PATCH] stp: fixup build by using older bison

I have no idea what's wrong.
---
 pkgs/top-level/all-packages.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0381aa50a05d..7487ff65d696 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -19463,7 +19463,9 @@ in
 
   inherit (ocamlPackages) stog;
 
-  stp = callPackage ../applications/science/logic/stp {};
+  stp = callPackage ../applications/science/logic/stp {
+    bison = bison2;
+  };
 
   stumpish = callPackage ../applications/window-managers/stumpish {};