$ scons
scons: Reading SConscript files ...
Command-line arguments
        No  command-line arguments given
Command-line targets
        No targets given, using default
Using config file: config/linux2-config.py
Using config file: user-config.py
Linux platform detected:
  checking for FreeAlut... (cached) yes
Building in ../build/linux2/
Configuring library bf_soundsystem
Configuring library bf_string
Configuring library bf_ghost
Configuring library bf_guardedalloc
Configuring library bf_bmfont
Configuring library bf_moto
Configuring library blender_CTR
Configuring library bf_memutil
Configuring library bf_decimation
Configuring library blender_IK
Configuring library blender_bop
Configuring library blender_ONL
Configuring library bf_elbeem
Configuring library blender_BSP
Configuring library extern_qhull
Configuring library extern_solid
Configuring library extern_bullet2linmath
Configuring library extern_bullet2dynamics
Configuring library extern_bullet2collision
Configuring library extern_ftgl
Building on linux2
Configuring library verse
Configuring program verse
Configuring ffmpeg...
: not found9: 
: not found12: 
Trying shell --disable-shared
: not found16: }
: not found17: 
: Permission deniedot create /dev/null
: not found21: 
: Permission deniedot create /dev/null
: not found24: 
configure: 224: Syntax error: word unexpected (expecting "do")
IOError: [Errno 2] No such file or directory: 'extern/ffmpeg/config.mak':
  File "/home/david/blender/blender/SConstruct", line 306:
    SConscript(B.root_build_dir+'/extern/SConscript')
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 583:
    return apply(method, args, kw)
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 520:
    return apply(_SConscript, [self.fs,] + files, subst_kw)
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 245:
    exec _file_ in call_stack[-1].globals
  File "/home/david/blender/blender/extern/SConscript", line 19:
    SConscript(['ffmpeg/SConscript']);
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 583:
    return apply(method, args, kw)
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 520:
    return apply(_SConscript, [self.fs,] + files, subst_kw)
  File "/usr/lib/scons/SCons/Script/SConscript.py", line 245:
    exec _file_ in call_stack[-1].globals
  File "/home/david/blender/blender/extern/ffmpeg/SConscript", line 104:
    vars = getmakevars([root + '/config.mak', root + "/" + lib + '/Makefile'])
  File "/home/david/blender/blender/extern/ffmpeg/SConscript", line 80:
    fp = open(filename)
$