cmake HAVE_PTHREAD_ATTR_CREATE examples

arkdb/inception configure.cmake :444 

CHECK_FUNCTION_EXISTS (pthread_attr_create HAVE_PTHREAD_ATTR_CREATE)

alibaba/AliSQL configure.cmake :549 

CHECK_FUNCTION_EXISTS (pthread_attr_create HAVE_PTHREAD_ATTR_CREATE)

Tokutek/mysql-5.5 configure.cmake :384 

CHECK_FUNCTION_EXISTS (pthread_attr_create HAVE_PTHREAD_ATTR_CREATE)