From 0726bffe7f9a71052b89a4ed2e30e902dcfd1a9b Mon Sep 17 00:00:00 2001
From: wsnipex <wsnipex@a1.net>
Date: Fri, 11 Sep 2015 11:02:49 +0200
Subject: [PATCH] [cmake] ffmpeg: build parallel

---
 tools/depends/target/ffmpeg/CMakeLists.txt | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tools/depends/target/ffmpeg/CMakeLists.txt b/tools/depends/target/ffmpeg/CMakeLists.txt
index c8be721a23ca8..a013f7f4b89b6 100644
--- a/tools/depends/target/ffmpeg/CMakeLists.txt
+++ b/tools/depends/target/ffmpeg/CMakeLists.txt
@@ -17,6 +17,12 @@ if(GNUTLS_FOUND)
   list(APPEND ffmpeg_conf --enable-gnutls)
 endif()
 
+include(ProcessorCount)
+ProcessorCount(N)
+if(NOT N EQUAL 0)
+  set(PARALLEL_FLAGS -j${N})
+endif()
+
 include(ExternalProject)
 externalproject_add(ffmpeg
                     SOURCE_DIR ${CMAKE_SOURCE_DIR}
@@ -53,7 +59,7 @@ externalproject_add(ffmpeg
                       --cc=${CMAKE_C_COMPILER}
                       --prefix=${CMAKE_INSTALL_PREFIX}
                       ${ffmpeg_conf}
-                    BUILD_COMMAND make)
+                    BUILD_COMMAND make ${PARALLEL_FLAGS})
 
 install(CODE "Message(Done)")