From 9cad2a4f4a2de889d20db1eafdb5c7ac552e707b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bj=C3=B8rn=20Forsman?= <bjorn.forsman@gmail.com>
Date: Mon, 19 Feb 2018 00:41:10 +0100
Subject: [PATCH] openocd: unbreak gcc7 build

---
 pkgs/development/tools/misc/openocd/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/tools/misc/openocd/default.nix b/pkgs/development/tools/misc/openocd/default.nix
index 2ab0dbd1b5f..73c5b762318 100644
--- a/pkgs/development/tools/misc/openocd/default.nix
+++ b/pkgs/development/tools/misc/openocd/default.nix
@@ -25,6 +25,12 @@ stdenv.mkDerivation rec {
     "--enable-remote-bitbang"
   ];
 
+  NIX_CFLAGS_COMPILE = [
+    "-Wno-implicit-fallthrough"
+    "-Wno-format-truncation"
+    "-Wno-format-overflow"
+  ];
+
   postInstall = ''
     mkdir -p "$out/etc/udev/rules.d"
     rules="$out/share/openocd/contrib/60-openocd.rules"