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diff --git a/configure b/configure
index d9626dc..f7cb928 100755
--- a/configure
+++ b/configure
@@ -1,3 +1,9 @@
 #!/bin/sh
+
+if test "$#" -gt 0; then
+    echo "Usage: configure" 1>&2
+    exit 1
+fi
+
 cd config &&
 exec ./configure "$@"