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            <b><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Build error."
   href="https://bugs.webkit.org/show_bug.cgi?id=145434#c6">Comment # 6</a>
              on <a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - Build error."
   href="https://bugs.webkit.org/show_bug.cgi?id=145434">bug 145434</a>
              from <span class="vcard"><a class="email" href="mailto:achristensen&#64;apple.com" title="Alex Christensen &lt;achristensen&#64;apple.com&gt;"> <span class="fn">Alex Christensen</span></a>
</span></b>
        <pre>(In reply to <a href="show_bug.cgi?id=145434#c0">comment #0</a>)
<span class="quote">&gt; Revision 184954.
&gt; Files:
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/testapi/testapiPreLink.cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/testapi/testapiLauncherPreLink.
&gt; cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/jsc/jscPreLink.cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/jsc/jscLauncherPreLink.cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/JavaScriptCorePreLink.cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/testRegExp/testRegExpPreLink.cmd
&gt; Source/JavaScriptCore/JavaScriptCore.vcxproj/testRegExp/
&gt; testRegExpLauncherPreLink.cmd
&gt; 
&gt; are empty, so there is such a mistake:</span >
These files are supposed to be empty.

The error was not actually in the messages you posted.  Try this:
Uninstall cygwin.
Follow directions on <a href="http://trac.webkit.org/wiki/WindowsWithoutCygwin">http://trac.webkit.org/wiki/WindowsWithoutCygwin</a>
See if it compiles successfully.</pre>
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