From 65a2e307f0fb19874ae591c72195b7b301464848 Mon Sep 17 00:00:00 2001
From: Robin Gloster <mail@glob.in>
Date: Mon, 27 Feb 2017 14:38:57 +0100
Subject: [PATCH] varnish: fix i686 build

---
 pkgs/servers/varnish/default.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/servers/varnish/default.nix b/pkgs/servers/varnish/default.nix
index fc5a744ad46..e1376a6c59f 100644
--- a/pkgs/servers/varnish/default.nix
+++ b/pkgs/servers/varnish/default.nix
@@ -18,6 +18,9 @@ stdenv.mkDerivation rec {
 
   buildFlags = "localstatedir=/var/spool";
 
+  # https://github.com/varnishcache/varnish-cache/issues/1875
+  NIX_CFLAGS_COMPILE = stdenv.lib.optionalString stdenv.isi686 "-fexcess-precision=standard";
+
   outputs = [ "out" "dev" "man" ];
 
   meta = with stdenv.lib; {