+
+# Check whether --with-optimization or --without-optimization was given.
+if test "${with_optimization+set}" = set; then
+ withval="$with_optimization"
+ unet_cv_optimization=$withval
+else
+ unet_cv_optimization='-O3'
+fi;
+echo "$as_me:$LINENO: checking optimization level" >&5
+echo $ECHO_N "checking optimization level... $ECHO_C" >&6
+if test "${unet_cv_optimization+set}" = set; then
+ echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+ unet_cv_optimization='-O3'
+fi
+echo "$as_me:$LINENO: result: $unet_cv_optimization" >&5
+echo "${ECHO_T}$unet_cv_optimization" >&6
+if test "x$unet_cv_optimization" = "xno" ; then
+ unet_cv_optimization=""
+fi