From 10267bfc9073174871772a34ebafd4c946a9f09f Mon Sep 17 00:00:00 2001
From: Daiderd Jordan <daiderd@gmail.com>
Date: Wed, 25 Apr 2018 21:35:28 +0200
Subject: [PATCH] harfbuzz: avoid rebuilds

---
 pkgs/development/libraries/harfbuzz/default.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/harfbuzz/default.nix b/pkgs/development/libraries/harfbuzz/default.nix
index ff60afc1f2b..383f7f60f9b 100644
--- a/pkgs/development/libraries/harfbuzz/default.nix
+++ b/pkgs/development/libraries/harfbuzz/default.nix
@@ -30,10 +30,10 @@ stdenv.mkDerivation {
 
   configureFlags = [
     # not auto-detected by default
-    "--with-coretext=${if withCoreText then "yes" else "no"}"
     "--with-graphite2=${if withGraphite2 then "yes" else "no"}"
     "--with-icu=${if withIcu then "yes" else "no"}"
-  ];
+  ]
+    ++ stdenv.lib.optional withCoreText "--with-coretext=yes";
 
   nativeBuildInputs = [ pkgconfig libintl ];