title: While using scons with c code on cygwin gcc, object has no attribute 'program'
body: <p>From below SContruct file while executing with Scons 2.5, below error is shown:
  $ /cygdrive/c/Python27/Scripts/scons.bat
  scons: Reading SConscript files ...
  Windows
  </p>
  
  <p>scons: warning: No version of Visual Studio compiler found - C/C++ compilers
  t likely not set correctly
  File "C:\cygwin\lib\python2.5\scons-2.5.1\SConstruct", line 18, in 
  AttributeError: 'SConsEnvironment' object has no attribute 'program':
    File "C:\cygwin\lib\python2.5\scons-2.5.1\SConstruct", line 19:
      env.program('mee.c')</p>
  
  <p>SConstruct has:</p>
  
  <pre><code>    `import os
       import platform
       print platform.system()
       DefaultEnvironment(tools = [])
       env = DefaultEnvironment()
       print env
       env = Environment(tools = ['default', 'gcc'])
       env.program('mee.c')
       `
  </code></pre>