cmake HAVE_PTHREAD_CONDATTR_CREATE examples

arkdb/inception configure.cmake :448 

CHECK_FUNCTION_EXISTS (pthread_condattr_create HAVE_PTHREAD_CONDATTR_CREATE)

alibaba/AliSQL configure.cmake :554 

CHECK_FUNCTION_EXISTS (pthread_condattr_create HAVE_PTHREAD_CONDATTR_CREATE)

Tokutek/mysql-5.5 configure.cmake :388 

CHECK_FUNCTION_EXISTS (pthread_condattr_create HAVE_PTHREAD_CONDATTR_CREATE)