**System Information**
Ubuntu 16.04
**Blender Version**
Current master
**Short description of error**
During the blender generation there is linking error with the library generated through "make deps". The linking errors are due to sndio library called from SDL and ffmpeg static libs.
With patch blender run like a charm in Ubuntu 16.04 using "make deps" generated libs.
```
--- build_files/build_environment/cmake/ffmpeg.cmake
+++ build_files/build_environment/cmake/ffmpeg.cmake
@@ -43,6 +43,7 @@ else()
--enable-static
--disable-shared
--enable-libopenjpeg
+ --disable-sndio
)
endif()
@@ -112,6 +113,7 @@ ExternalProject_Add(external_ffmpeg
--disable-indev=alsa
--disable-outdev=alsa
--disable-crystalhd
+ --disable-sndio
BUILD_COMMAND ${CONFIGURE_ENV_NO_PERL} && cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ && make -j${MAKE_THREADS}
INSTALL_COMMAND ${CONFIGURE_ENV_NO_PERL} && cd ${BUILD_DIR}/ffmpeg/src/external_ffmpeg/ && make install
CMAKE_ARGS -DCMAKE_INSTALL_PREFIX=${LIBDIR}/ffmpeg ${DEFAULT_CMAKE_FLAGS}
--- build_files/build_environment/cmake/sdl.cmake
+++ build_files/build_environment/cmake/sdl.cmake
@@ -25,6 +25,7 @@ else()
-DSDL_STATIC=ON
-DSDL_SHARED=OFF
-DSDL_VIDEO=OFF
+ -DSNDIO=OFF
)
endif()
```