From 7b00a6ef15583258a4d9e2d9f87f8f921044209d Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Mon, 11 Sep 2017 23:40:46 +0200
Subject: [PATCH] html2text: fix clang build

---
 pkgs/tools/text/html2text/default.nix | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pkgs/tools/text/html2text/default.nix b/pkgs/tools/text/html2text/default.nix
index 586b34621a9..19448475548 100644
--- a/pkgs/tools/text/html2text/default.nix
+++ b/pkgs/tools/text/html2text/default.nix
@@ -9,7 +9,9 @@ stdenv.mkDerivation {
   };
 
   preConfigure = ''
-    sed -i s,/bin/echo,echo, configure
+    substituteInPlace configure \
+        --replace /bin/echo echo \
+        --replace CXX=unknown ':'
   '';
 
   # the --prefix has no effect