From 89e22a78b7fbeb8b71b44e3ec090c6533510ecf6 Mon Sep 17 00:00:00 2001
From: Robert Helgesson <robert@rycee.net>
Date: Sat, 14 Nov 2015 23:59:20 +0100
Subject: [PATCH] gpsbabel: fix build on i686

---
 pkgs/applications/misc/gpsbabel/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/applications/misc/gpsbabel/default.nix b/pkgs/applications/misc/gpsbabel/default.nix
index 0625219c2762..42c6854b4446 100644
--- a/pkgs/applications/misc/gpsbabel/default.nix
+++ b/pkgs/applications/misc/gpsbabel/default.nix
@@ -20,7 +20,10 @@ stdenv.mkDerivation rec {
     But FOP isn't packaged yet.  */
 
   preConfigure = "cd gpsbabel";
-  configureFlags = [ "--with-zlib=system" ];
+  configureFlags = [ "--with-zlib=system" ]
+    # Floating point behavior on i686 causes test failures. Preventing
+    # extended precision fixes this problem.
+    ++ stdenv.lib.optional stdenv.isi686 "CXXFLAGS=-ffloat-store";
 
   doCheck = true;
   preCheck = ''