text: import subprocess, wget, os, shutil, sys, glob
  
  if not os.path.exists('swig-scilab'):
  	subprocess.call('git clone https://github.com/swig/swig.git -b gsoc2012-scilab swig-scilab', shell = True, stdout = sys.stdout, stderr = sys.stderr)
  else:
  	subprocess.call('git pull', shell = True, cwd = 'swig-scilab', stdout = sys.stdout, stderr = sys.stderr)
  os.chdir('swig-scilab')
  if not glob.glob('pcre-*.tar.gz'):
      for rev in ['8.34','8.35','8.36']:
          try:
              wget.download('ftp://ftp.csx.cam.ac.uk/pub/software/programming/pcre/pcre-'+rev+'.tar.gz'); break
          except:
              pass
  
  prefix = '--prefix=${PWD}/swig-scilab-bin'
  if '--windows' in sys.argv:
      compilers = " CXX=i686-w64-mingw32-g++ CC=i686-w64-mingw32-gcc "
      host = " --host=x86_64-unknown-linux-gnu "
      prefix += ' LDFLAGS="-static-libgcc -static-libstdc++ -static"'
  else:
      compilers = ''
      host = ''
  commons = dict(shell = True, stdout = sys.stdout, stderr = sys.stderr)
  
  subprocess.check_call('Tools/pcre-build.sh'+compilers+host, **commons)
  subprocess.check_call(compilers+'./autogen.sh', **commons)
  subprocess.check_call('./configure --disable-ccache --with-scilab-inc=${SCILAB_HOME}/include --with-scilab=${SCILAB_HOME}/bin/scilab-cli'+' '+prefix+compilers+host, **commons)
  subprocess.check_call(compilers+'make', **commons)
  subprocess.check_call(compilers+'make install', **commons)
  
  if '--windows' in sys.argv:
      subprocess.check_call('cp swig.exe swig3.0.exe', cwd='swig-scilab-bin/bin', **commons)
      subprocess.check_call('cp swig.exe swig2.0.exe', cwd='swig-scilab-bin/bin', **commons)
  else:
      subprocess.check_call('cp swig swig3.0', cwd='swig-scilab-bin/bin', **commons)
      subprocess.check_call('cp swig swig2.0', cwd='swig-scilab-bin/bin', **commons)
  