Error running cmake . hedgewars

~/Desktop/hedgewars-src-0.9.19.3> cmake .
-- Building 0.9.19-r9144 (d8a0a7e42b73)
-- Performing Test HAVE_NOEXECSTACK
-- Performing Test HAVE_NOEXECSTACK - Success
-- Performing Test HAVE_WINASLRDEP
-- Performing Test HAVE_WINASLRDEP - Failed
-- Using RELEASE configuration
-- LUA will be provided by the bundled sources
-- PhysFS will be provided by the bundled sources
-- Performing Test PHYSFS_IS_GCC4
-- Performing Test PHYSFS_IS_GCC4 - Failed
-- Found PkgConfig: /bin/pkg-config (found version "0.27.1")
-- checking for module 'libavcodec'
--   found libavcodec, version 53.61.100
-- checking for module 'libavformat'
--   found libavformat, version 53.32.100
-- checking for module 'libavutil'
--   found libavutil, version 51.35.100
-- Could NOT find FFMPEG (missing:  LIBAVCODEC_LIBRARY LIBAVFORMAT_LIBRARY LIBAVUTIL_LIBRARY)
CMake Error at cmake_modules/utils.cmake:14 (message):
  Missing FFMPEG! Rerun cmake with -DNOVIDEOREC=1 to build without it.
Call Stack (most recent call first):
  cmake_modules/utils.cmake:20 (find_package_or_disable)
  CMakeLists.txt:352 (find_package_or_disable_msg)


-- Looking for include file pthread.h
-- Looking for include file pthread.h - found
-- Looking for pthread_create
-- Looking for pthread_create - found
-- Found Threads: TRUE
CMake Error at /boot/system/data/cmake/Modules/FindPackageHandleStandardArgs.cmake:108 (message):
  Could NOT find SDL (missing: SDL_LIBRARY) (found version "1.2.15")
Call Stack (most recent call first):
  /boot/system/data/cmake/Modules/FindPackageHandleStandardArgs.cmake:315 (_FPHSA_FAILURE_MESSAGE)
  /boot/system/data/cmake/Modules/FindSDL.cmake:176 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  misc/libphyslayer/CMakeLists.txt:2 (find_package)


-- Configuring incomplete, errors occurred!
cmake/Modules/FindPackageHandleStandardArgs.cmake:315 (_FPHSA_FAILURE_MESSAGE)
  /boot/system/data/cmake/Modules/FindSDL.cmake:176 (FIND_PACKAGE_HANDLE_STANDARD_ARGS)
  misc/libphyslayer/CMakeLists.txt:2 (find_package)


-- Configuring incomplete, errors occurred!
data source