ndbm.h", inc_dirs, []) is not None:                             print "building dbm using gdbm"                             dbmext = Extension(                                 'dbm', ['dbmmodule.c'],                                 define_macros=[                                     ('HAVE_GDBM_NDBM_H', None),                                     ],                                 libraries = gdbm_libs)                             break                         