python - Some problems in compiling cx_Oracle -

i had problem when compile cx_oracle5.1.2 using "python setup.py build". there build errors follows:

callback.c:49: error: ‘udt_variable’ has no member named ‘data’ callback.c:50: error: ‘udt_variable’ has no member named ‘actuallength’ callback.c:51: error: ‘udt_variable’ has no member named ‘returncode’ callback.c:52: error: ‘udt_variable’ has no member named ‘size’ callback.c:52: error: ‘udt_variabletype’ has no member named ‘size’ callback.c:53: error: ‘udt_variable’ has no member named ‘buffersize’ callback.c:53: error: ‘udt_variabletype’ has no member named ‘size’ callback.c:54: error: ‘udt_variabletype’ has no member named ‘isvariablelength’ callback.c:55: error: ‘udt_variable’ has no member named ‘buffersize’ callback.c: @ top level: callback.c:65: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token callback.c:113: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token callback.c:154: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token callback.c:176: error: expected ‘=’, ‘,’, ‘;’, ‘asm’ or ‘__attribute__’ before ‘*’ token 

what should do? thanks.