From e8847fd2e7ad0985cf7899ddf9d0651f401fd1ea Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= <ludo@gnu.org>
Date: Sun, 25 Jan 2009 11:50:29 +0000
Subject: [PATCH] Cairo: Arrange so that Freetype `-I' flags are propagated.

svn path=/nixpkgs/trunk/; revision=13843
---
 pkgs/development/libraries/cairo/default.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/libraries/cairo/default.nix b/pkgs/development/libraries/cairo/default.nix
index 4d0283586c29..aef5ed1d4f57 100644
--- a/pkgs/development/libraries/cairo/default.nix
+++ b/pkgs/development/libraries/cairo/default.nix
@@ -28,6 +28,13 @@ stdenv.mkDerivation rec {
   configureFlags =
     (if pdfSupport then ["--enable-pdf"] else []);
 
+  preConfigure = ''
+    # Work around broken `Requires.private' that prevents Freetype
+    # `-I' flags to be propagated.
+    sed -i "src/cairo.pc.in" \
+        -es'|^Cflags:\(.*\)$|Cflags: \1 -I${freetype}/include/freetype2 -I${freetype}/include|g'
+  '';
+
   meta = {
     description = "A 2D graphics library with support for multiple output devices";