From 07903b161715f2017ce9fed8c434db4524f7edc9 Mon Sep 17 00:00:00 2001
From: Daniel Fox Franke <dfoxfranke@gmail.com>
Date: Fri, 28 Aug 2015 20:54:45 -0400
Subject: [PATCH] cvs-fast-export: don't link against librt

It's superfluous on Linux, and it breaks the build on Darwin.
---
 pkgs/applications/version-management/cvs-fast-export/default.nix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/pkgs/applications/version-management/cvs-fast-export/default.nix b/pkgs/applications/version-management/cvs-fast-export/default.nix
index 15035a345d4e..62a58ee985c0 100644
--- a/pkgs/applications/version-management/cvs-fast-export/default.nix
+++ b/pkgs/applications/version-management/cvs-fast-export/default.nix
@@ -30,6 +30,7 @@ mkDerivation rec {
   preBuild = ''
     makeFlagsArray=(
       XML_CATALOG_FILES="${docbook_xml_dtd_45}/xml/dtd/docbook/catalog.xml ${docbook_xml_xslt}/xml/xsl/docbook/catalog.xml"
+      LIBS=""
       prefix="$out"
     )
   '';