--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/wx/build/waf_extensions.py	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,78 @@
+# Copyright (C) 2009 Kevin Ollivier  All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
+#
+# This module is for code where we override waf's default behavior or extend waf
+
+import os
+import subprocess
+import sys
+
+import Utils
+
+# version of exec_command that handles Windows command lines longer than 32000 chars
+def exec_command(s, **kw):
+    filename = ''
+    if sys.platform.startswith('win') and len(' '.join(s)) > 32000:
+        import tempfile
+        (fd, filename) = tempfile.mkstemp()
+        os.write(fd, ' '.join(s[1:]))
+        os.close(fd)
+        
+        s = [s[0], '@' + filename]
+        
+    if 'log' in kw:
+        kw['stdout'] = kw['stderr'] = kw['log']
+        del(kw['log'])
+    kw['shell'] = isinstance(s, str)
+
+    def cleanup():
+        try:
+            if os.path.exists(filename):
+                os.remove(filename)
+        except:
+            pass
+
+    try:
+        proc = subprocess.Popen(s, **kw)
+        result = proc.wait()
+        cleanup()
+        return result
+        
+    except OSError:
+        cleanup()
+        raise
+        
+Utils.exec_command = exec_command
+
+# Better performing h_file to keep hashing from consuming lots of time
+import stat
+def h_file(filename):
+    st = os.stat(filename)
+    if stat.S_ISDIR(st[stat.ST_MODE]): raise IOError('not a file')
+    m = Utils.md5()
+    m.update(str(st.st_mtime))
+    m.update(str(st.st_size))
+    m.update(filename)
+    return m.digest()
+
+Utils.h_file = h_file