From 1c8ff5cfc7046e5eb85e3cd5cb2f40e1073b23a7 Mon Sep 17 00:00:00 2001
From: Robert Scott <code@humanleg.org.uk>
Date: Tue, 17 Aug 2021 22:55:48 +0100
Subject: [PATCH] ffmpeg-full: enable basic tests

(cherry picked from commit 4b658eda801752204f8be29a8f8db343d12572dc)
---
 pkgs/development/libraries/ffmpeg-full/default.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index 2186c154f80..ddcc81f8930 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -443,6 +443,14 @@ stdenv.mkDerivation rec {
   buildFlags = [ "all" ]
     ++ optional qtFaststartProgram "tools/qt-faststart"; # Build qt-faststart executable
 
+  doCheck = true;
+  checkPhase = let
+    ldLibraryPathEnv = if stdenv.isDarwin then "DYLD_LIBRARY_PATH" else "LD_LIBRARY_PATH";
+  in ''
+    ${ldLibraryPathEnv}="libavcodec:libavdevice:libavfilter:libavformat:libavresample:libavutil:libpostproc:libswresample:libswscale:''${${ldLibraryPathEnv}}" \
+      make check -j$NIX_BUILD_CORES
+  '';
+
   # Hacky framework patching technique borrowed from the phantomjs2 package
   postInstall = optionalString qtFaststartProgram ''
     cp -a tools/qt-faststart $out/bin/