echo "$as_me:$LINENO: result: $unet_cv_sys_nonblocking_posix" >&5
echo "${ECHO_T}$unet_cv_sys_nonblocking_posix" >&6
if test $unet_cv_sys_nonblocking_posix = yes; then
echo "$as_me:$LINENO: result: $unet_cv_sys_nonblocking_posix" >&5
echo "${ECHO_T}$unet_cv_sys_nonblocking_posix" >&6
if test $unet_cv_sys_nonblocking_posix = yes; then