$ unset WAFCACHE; ./waf distclean; ./waf configure; ./waf --zones=preproc -v
Checking for program g++                : ok /usr/local/bin/g++
Checking for program cpp                : ok /usr/bin/cpp
Checking for program ar                 : ok /usr/bin/ar
Checking for program ranlib             : ok /usr/bin/ranlib
Checking for header QtGui/QFont (cached)  : ok /usr/local/Trolltech/Qt4/include/
Checking for program uic-qt3              : not found
Checking for program uic3                 : ok /usr/local/Trolltech/Qt4/bin/uic3
Checking for program uic-qt4              : not found
Checking for program uic                  : ok /usr/local/Trolltech/Qt4/bin/uic
Checking for uic version                  : ok (version 4.2.0)
Checking for program moc-qt4              : not found
Checking for program moc                  : ok /usr/local/Trolltech/Qt4/bin/moc
Checking for program rcc                  : ok /usr/local/Trolltech/Qt4/bin/rcc
Checking for package Qt3Support_debug (cached)  : ok
Checking for package QtCore_debug (cached)      : ok
Checking for package QtGui_debug (cached)       : ok
Checking for package QtNetwork_debug (cached)   : ok
Checking for package QtOpenGL_debug (cached)    : ok
Checking for package QtSql_debug (cached)       : ok
Checking for package QtSvg_debug (cached)       : ok
Checking for package QtTest_debug (cached)      : not found
Checking for package QtXml_debug (cached)       : ok
Checking for package Qt3Support (cached)        : ok
Checking for package QtCore (cached)            : ok
Checking for package QtGui (cached)             : ok
Checking for package QtNetwork (cached)         : ok
Checking for package QtOpenGL (cached)          : ok
Checking for package QtSql (cached)             : ok
Checking for package QtSvg (cached)             : ok
Checking for package QtTest (cached)            : ok
Checking for package QtXml (cached)             : ok
DEBUG:  == preproc ==  scanning main.cpp (in src)
DEBUG:  == preproc ==  line is include "view/Guitone.h" state is []
DEBUG:  == preproc ==  include found view/Guitone.h    (")
DEBUG:  == preproc ==  line is include <QApplication> state is []
DEBUG:  == preproc ==  include found QApplication    (<)
DEBUG:  == preproc ==  line is include <QLocale> state is []
DEBUG:  == preproc ==  include found QLocale    (<)
DEBUG:  == preproc ==  line is include <QTranslator> state is []
DEBUG:  == preproc ==  include found QTranslator    (<)
DEBUG:  == preproc ==  line is ifdef WAF state is ['u']
DEBUG:  == preproc ==  line is endif state is []
[1/36] * cpp : ../guitone/src/main.cpp -> default/guitone/src/main.o
/usr/local/bin/g++ -Wall -DQT_SHARED -I/usr/local/Trolltech/Qt-4.2.0/include -I/usr/local/Trolltech/Qt-4.2.0/include/QtCore -DQT_SHARED -I/usr/local/Trolltech/Qt-4.2.0/include -I/usr/local/Trolltech/Qt-4.2.0/include/QtGui  -I. -Idefault -Idefault/ -I..  ../guitone/src/main.cpp -c -o default/guitone/src/main.o
DEBUG:  == preproc ==  scanning GetFileProxyModel.cpp (in model)
DEBUG:  == preproc ==  line is include "GetFileProxyModel.h" state is []
DEBUG:  == preproc ==  include found GetFileProxyModel.h    (")
DEBUG:  == preproc ==  line is include "GetFile.h" state is []
DEBUG:  == preproc ==  include found GetFile.h    (")
DEBUG:  == preproc ==  line is ifdef WAF state is ['u']
DEBUG:  == preproc ==  line is endif state is []
[2/36] * cpp : ../guitone/src/model/GetFileProxyModel.cpp -> default/guitone/src/model/GetFileProxyModel.o
/usr/local/bin/g++ -Wall -DQT_SHARED -I/usr/local/Trolltech/Qt-4.2.0/include -I/usr/local/Trolltech/Qt-4.2.0/include/QtCore -DQT_SHARED -I/usr/local/Trolltech/Qt-4.2.0/include -I/usr/local/Trolltech/Qt-4.2.0/include/QtGui  -I. -Idefault -Idefault/ -I..  ../guitone/src/model/GetFileProxyModel.cpp -c -o default/guitone/src/model/GetFileProxyModel.o
DEBUG:  == preproc ==  scanning Tags.cpp (in model)
DEBUG:  == preproc ==  line is include "Tags.h" state is []
DEBUG:  == preproc ==  include found Tags.h    (")
DEBUG:  == preproc ==  line is include "../monotone/Monotone.h" state is []
DEBUG:  == preproc ==  include found ../monotone/Monotone.h    (")
DEBUG:  == preproc ==  line parsing failed >include "../monotone/Monotone.h"<
Traceback (most recent call last):
  File "/home/tkeller/private/guitone/waf", line 334, in ?
    Main()
  File "/home/tkeller/.waf-1.0.2/wafadmin/Scripting.py", line 184, in Main
    ret = bld.compile()
  File "/home/tkeller/.waf-1.0.2/wafadmin/Build.py", line 190, in compile
    ret = executor.start()
  File "/home/tkeller/.waf-1.0.2/wafadmin/Runner.py", line 226, in start
    if not proc.may_start():
  File "/home/tkeller/.waf-1.0.2/wafadmin/Tools/Qt4.py", line 39, in may_start
    ccroot.g_c_scanner.do_scan(node, parn.env, hashparams = self.m_scanner_params)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Tools/ccroot.py", line 37, in do_scan
    (nodes, names) = self.scan(node, env, **hashparams)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Tools/ccroot.py", line 69, in scan
    return self._scan_preprocessor(node, env, path_lst, defines)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Tools/ccroot.py", line 104, in _scan_preprocessor
    gruik.start2(node, env)
  File "/home/tkeller/.waf-1.0.2/wafadmin/preproc.py", line 603, in start2
    self.process_line()
  File "/home/tkeller/.waf-1.0.2/wafadmin/preproc.py", line 690, in process_line
    self.tryfind(body)
  File "/home/tkeller/.waf-1.0.2/wafadmin/preproc.py", line 548, in tryfind
    found = n.search_existing_node_lst(lst)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Node.py", line 272, in search_existing_node_lst
    rescan(node)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Build.py", line 390, in rescan
    lst = self.m_srcnode.difflst(src_dir_node)
  File "/home/tkeller/.waf-1.0.2/wafadmin/Node.py", line 165, in difflst
    lst.append(child.m_name)
AttributeError: 'NoneType' object has no attribute 'm_name'