+# Check whether --with-config-suffix or --without-config-suffix was given.
+if test "${with_config_suffix+set}" = set; then
+ withval="$with_config_suffix"
+ case "x$withval" in
+ (xyes|xno)
+ { echo "$as_me:3511: WARNING: expected a value for config-suffix option" >&5
+echo "$as_me: WARNING: expected a value for config-suffix option" >&2;}
+ ;;
+ (*) cf_config_suffix="$withval"
+ ;;
+ esac
+fi;
+
+# If we find pkg-config, check if we should install the ".pc" files.
+
+echo "$as_me:3521: checking if you want to use pkg-config" >&5