+###############################################################################
+#
+# Check whether it's ok to install some hacks as setuid (e.g., "sonar")
+# This should be safe, but let's give people the option.
+#
+###############################################################################
+
+setuid_hacks_default=no
+setuid_hacks="$setuid_hacks_default"
+AC_ARG_WITH(setuid-hacks,
+[ --with-setuid-hacks Allow some demos to be installed \`setuid root'
+ (which is needed in order to ping other hosts.)
+],
+ [setuid_hacks="$withval"], [setuid_hacks="$setuid_hacks_default"])
+
+HANDLE_X_PATH_ARG(setuid_hacks, --with-setuid-hacks, setuid hacks)
+
+if test "$setuid_hacks" = yes; then
+ true
+elif test "$setuid_hacks" != no; then
+ echo "error: must be yes or no: --with-setuid-hacks=$setuid_hacks"
+ exit 1
+fi
+
+