From 317734f99cc095c0158e071ccb3052fa91407723 Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Fri, 24 Mar 2017 18:44:45 +0800
Subject: [PATCH] speedcrunch: stick to qt 5.7 as 5.8 is broken

---
 pkgs/applications/science/math/speedcrunch/default.nix | 2 +-
 pkgs/top-level/all-packages.nix                        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/science/math/speedcrunch/default.nix b/pkgs/applications/science/math/speedcrunch/default.nix
index 334423660a03..33de9cd0d975 100644
--- a/pkgs/applications/science/math/speedcrunch/default.nix
+++ b/pkgs/applications/science/math/speedcrunch/default.nix
@@ -31,6 +31,6 @@ stdenv.mkDerivation rec {
     '';
     maintainers = with maintainers; [ gebner ];
     platforms = platforms.all;
+    broken = builtins.compareVersions qtbase.version "5.8.0" >= 0;
   };
-
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 96e4840b35bf..923676aa1545 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -17613,7 +17613,7 @@ with pkgs;
 
   yacas = callPackage ../applications/science/math/yacas { };
 
-  speedcrunch = libsForQt5.callPackage ../applications/science/math/speedcrunch { };
+  speedcrunch = libsForQt57.callPackage ../applications/science/math/speedcrunch { };
 
   ### SCIENCE / MISC