From e8a0029dbf13f73ce4ae887c2bca3652885ed9fb Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sun, 3 Nov 2019 13:28:02 +0100
Subject: [PATCH] getxbook: fix build with gcc9

---
 pkgs/applications/misc/getxbook/default.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/misc/getxbook/default.nix b/pkgs/applications/misc/getxbook/default.nix
index b2a992b850e..56f1ec747ca 100644
--- a/pkgs/applications/misc/getxbook/default.nix
+++ b/pkgs/applications/misc/getxbook/default.nix
@@ -9,7 +9,11 @@ stdenv.mkDerivation rec {
     sha256 = "0ihwrx4gspj8l7fc8vxch6dpjrw1lvv9z3c19f0wxnmnxhv1cjvs";
   };
 
-  NIX_CFLAGS_COMPILE = [ "-Wno-error=format-truncation" "-Wno-error=deprecated-declarations" ];
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-error=format-truncation"
+    "-Wno-error=deprecated-declarations"
+    "-Wno-error=stringop-overflow"
+  ];
 
   buildInputs = [ openssl ];