From 747ad4befd7ceae21f0620bf3b2ac7dfe57d89c9 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 30 Mar 2017 23:21:17 +0200
Subject: [PATCH] mlt: Remove some -dev paths from the closure

This reduces the closure size of mlt-qt5 from 683 to 278 MiB.
---
 pkgs/development/libraries/mlt/default.nix |  5 +++++
 pkgs/development/libraries/mlt/qt-5.nix    | 12 ++++++++++++
 2 files changed, 17 insertions(+)

diff --git a/pkgs/development/libraries/mlt/default.nix b/pkgs/development/libraries/mlt/default.nix
index 2e51492f142e..a28936fee491 100644
--- a/pkgs/development/libraries/mlt/default.nix
+++ b/pkgs/development/libraries/mlt/default.nix
@@ -32,6 +32,11 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     wrapProgram $out/bin/melt --prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1
+
+    # Remove an unnecessary reference to movit.dev.
+    s=${movit.dev}/include
+    t=$(for ((i = 0; i < ''${#s}; i++)); do echo -n X; done)
+    sed -i $out/lib/mlt/libmltopengl.so -e "s|$s|$t|g"
   '';
 
   meta = with stdenv.lib; {
diff --git a/pkgs/development/libraries/mlt/qt-5.nix b/pkgs/development/libraries/mlt/qt-5.nix
index 5b255bd2d2b0..1d56d58c68d3 100644
--- a/pkgs/development/libraries/mlt/qt-5.nix
+++ b/pkgs/development/libraries/mlt/qt-5.nix
@@ -18,6 +18,8 @@ stdenv.mkDerivation rec {
     ladspa-sdk
   ];
 
+  outputs = [ "out" "dev" ];
+
   # Mostly taken from:
   # http://www.kdenlive.org/user-manual/downloading-and-installing-kdenlive/installing-source/installing-mlt-rendering-engine
   configureFlags = [
@@ -31,6 +33,16 @@ stdenv.mkDerivation rec {
 
   postInstall = ''
     wrapProgram $out/bin/melt --prefix FREI0R_PATH : ${frei0r}/lib/frei0r-1
+
+    # Remove an unnecessary reference to movit.dev.
+    s=${movit.dev}/include
+    t=$(for ((i = 0; i < ''${#s}; i++)); do echo -n X; done)
+    sed -i $out/lib/mlt/libmltopengl.so -e "s|$s|$t|g"
+
+    # Remove an unnecessary reference to movit.dev.
+    s=${qtbase.dev}/include
+    t=$(for ((i = 0; i < ''${#s}; i++)); do echo -n X; done)
+    sed -i $out/lib/mlt/libmltqt.so -e "s|$s|$t|g"
   '';
 
   passthru = {