- I modify your dbm2.diff because the module name is "_dbmmodule.c" and
not "dbmmodule.c". 
- Patching success
- new test "configure ... ; make" and make stop with error :
"...
gcc -pthread -shared
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/_ctypes.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/callbacks.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/callproc.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/stgdict.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/cfield.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/malloc_closure.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/libffi/src/prep_cif.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/libffi/src/x86/ffi.o
build/temp.linux-i686-3.0-pydebug/install/python-3.0rc3.diff/Modules/_ctypes/libffi/src/x86/sysv.o
-L/usr/local/lib -L. -lpython3.0 -o
build/lib.linux-i686-3.0-pydebug/_ctypes.so

Failed to build these modules:
_dbm                                                  

running build_scripts
creating build/scripts-3.0
copying and adjusting /install/python-3.0rc3.diff/Tools/scripts/pydoc ->
build/scripts-3.0
copying and adjusting /install/python-3.0rc3.diff/Tools/scripts/idle ->
build/scripts-3.0
copying and adjusting /install/python-3.0rc3.diff/Tools/scripts/2to3 ->
build/scripts-3.0
copying and adjusting /install/python-3.0rc3.diff/Lib/smtpd.py ->
build/scripts-3.0
changing mode of build/scripts-3.0/pydoc from 644 to 755
changing mode of build/scripts-3.0/idle from 644 to 755
changing mode of build/scripts-3.0/2to3 from 644 to 755
changing mode of build/scripts-3.0/smtpd.py from 644 to 755
[88798 refs]"