From 0d9068b13119cfed14fff399f4cc0609e179ac8d Mon Sep 17 00:00:00 2001
From: Tuomas Tynkkynen <tuomas@tuxera.com>
Date: Thu, 20 Oct 2016 16:38:02 +0300
Subject: [PATCH] opencv: Fix pkgconfig file after multiple outputs

It used to contain:
````
includedir_old=${prefix}/include/opencv
includedir_new=${prefix}/include
Cflags: -I${includedir_old} -I${includedir_new}
````

Should fix build of 'seeks' and some others.
---
 pkgs/development/libraries/opencv/default.nix | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkgs/development/libraries/opencv/default.nix b/pkgs/development/libraries/opencv/default.nix
index fd66d5bd41ea..7ea32745ba08 100644
--- a/pkgs/development/libraries/opencv/default.nix
+++ b/pkgs/development/libraries/opencv/default.nix
@@ -68,6 +68,12 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "bindnow" "relro" ];
 
+  # Fix pkgconfig file that gets broken with multiple outputs
+  postFixup = ''
+    sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_old=.*|includedir_old=$dev/include/opencv|"
+    sed -i $dev/lib/pkgconfig/opencv.pc -e "s|includedir_new=.*|includedir_new=$dev/include|"
+  '';
+
   passthru = lib.optionalAttrs enablePython { pythonPath = []; };
 
   meta = {