PPSSPP on Ubuntu

[Diclonius]

I can't get the sdl built to work, am i doing somthing wrong?

Code:

Computer:~/ppsspp$ ./b.sh
CMake Warning at CMakeLists.txt:1228 (message):
  FFMPEG_BUILDDIR variable or manual path definition is required to enable
  FFmpeg.  Disabling it.


-- Up-to-date: /home/user/ppsspp/build/assets/ui_atlas.zim
-- Installing: /home/user/ppsspp/build/assets/ppge_atlas.zim
-- Configuring done
-- Generating done
-- Build files have been written to: /home/user/ppsspp/build
[  0%] Built target cityhash
[  6%] Built target GPU
[  7%] Built target glew
[ 17%] Built target Common
[ 17%] Built target sha1
[ 18%] [ 18%] Built target snappy
Built target stb_image
[ 24%] [ 25%] Built target zlib
Built target stb_vorbis
[ 25%] Built target rg_etc1
[ 27%] [ 27%] Built target kirk
Built target xbrz
[ 27%] Generating something_that_never_exists
-- Found Git: /usr/bin/git (found version "1.8.1.2")
[ 51%] Built target native
CMake Warning at /home/user/ppsspp/git-version.cmake:40 (message):
  UPDATE: /home/user/ppsspp/git-version.cpp


[ 51%] Built target GitVersion
[ 52%] [ 53%] [ 53%] Building CXX object CMakeFiles/Core.dir/Core/HLE/sceDeflt.cpp.o
Building CXX object CMakeFiles/Core.dir/Core/HLE/sceAtrac.cpp.o
Building CXX object CMakeFiles/Core.dir/Core/HLE/sceDisplay.cpp.o
/home/user/ppsspp/Core/HLE/sceAtrac.cpp:75:34: fatal error: libavformat/avformat.h: No such file or directory
compilation terminated.
make[2]: *** [CMakeFiles/Core.dir/Core/HLE/sceAtrac.cpp.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [CMakeFiles/Core.dir/all] Error 2
make: *** [all] Error 2
Computer:~/ppsspp$ cd build
Computer:~/ppsspp/build$ ./PPSSPPSDL
bash: ./PPSSPPSDL: No such file or directory