title: Git failed when attempting to retrieving qt5 source code for compiling under Windows
body: <p>I am trying to build qt5 on windows. I am following the instructions from "<a href="http://qt-project.org/wiki/Building_Qt_5_from_Git" rel="nofollow">Building Qt 5 from Git</a>".  </p>
  
  <p>However, I am not even able retrieve the soure code successfully.<br>
  The initial command “<code>git clone git://gitorious.org/qt/qt5.git qt5</code>” completed successfully.<br>
  But the next command “perl init-repository” failed with the following error information:</p>
  
  <pre><code> + git submodule init 0 [main] us 0 init_cheap: VirtualAlloc pointer is null, Win32 error 487
   AllocationBase 0×0, BaseAddress 0×68560000, RegionSize 0×170000, State 0×10000
   c:\program files (x86)\git\bin\sh.exe: *** Couldn’t reserve space for cygwin’s h
   eap, Win32 error 0
   git submodule init exited with status 256 at init-repository line 268. Qt::InitRepository::exe(‘Qt::InitRepository=HASH ’, ‘git’, ‘sub
   module’, ‘init’) called at init-repository line 373 Qt::InitRepository::git_submodule_init(‘Qt::Init Repository=HASH’) called at init-repository line 569 Qt::InitRepository::run(‘Qt::InitRepository=HASH ’) called at i
   nit-repository line 590
  </code></pre>
  
  <p>I am using msysgit (Git for Windows) 1.8.1.2, Active Perl 5.16.3 and Python 3.3.0. </p>