cmake HAVE_PTHREAD_ATTR_GETSTACKSIZE examples

arkdb/inception configure.cmake :445 

CHECK_FUNCTION_EXISTS (pthread_attr_getstacksize HAVE_PTHREAD_ATTR_GETSTACKSIZE)

alibaba/AliSQL configure.cmake :551 

CHECK_FUNCTION_EXISTS (pthread_attr_getstacksize HAVE_PTHREAD_ATTR_GETSTACKSIZE)

Tokutek/mysql-5.5 configure.cmake :385 

CHECK_FUNCTION_EXISTS (pthread_attr_getstacksize HAVE_PTHREAD_ATTR_GETSTACKSIZE)