From fe666125a65366b610d623b93f780ad6138ab39f Mon Sep 17 00:00:00 2001
From: Cray Elliott <MP2E@archlinux.us>
Date: Sat, 6 May 2017 23:34:03 -0700
Subject: [PATCH] ffmpeg-full: add enableLto option

disabled by default, allows the user to specify if they would like a
link-time optimized build or not
---
 pkgs/development/libraries/ffmpeg-full/default.nix | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/pkgs/development/libraries/ffmpeg-full/default.nix b/pkgs/development/libraries/ffmpeg-full/default.nix
index 1839f4d0ef3..bdd3b5cea50 100644
--- a/pkgs/development/libraries/ffmpeg-full/default.nix
+++ b/pkgs/development/libraries/ffmpeg-full/default.nix
@@ -17,6 +17,7 @@
 , multithreadBuild ? true # Multithreading via pthreads/win32 threads
 , networkBuild ? true # Network support
 , pixelutilsBuild ? true # Pixel utils in libavutil
+, enableLto ? false # build with link-time optimization
 /*
  *  Program options
  */
@@ -257,6 +258,7 @@ stdenv.mkDerivation rec {
     (if stdenv.cc.isClang then "--cc=clang" else null)
     (enableFeature smallBuild "small")
     (enableFeature runtimeCpuDetectBuild "runtime-cpudetect")
+    (enableFeature enableLto "lto")
     (enableFeature grayBuild "gray")
     (enableFeature swscaleAlphaBuild "swscale-alpha")
     (enableFeature hardcodedTablesBuild "hardcoded-tables")