diff --git a/sysdeps/x86_64/configure b/sysdeps/x86_64/configure
new file mode 100644
index 0000000000..bd699bbccb
--- /dev/null
+++ b/sysdeps/x86_64/configure
@@ -0,0 +1,3 @@
+# The i386 fragment also works for x86_64.
+
+. $srcdir/sysdeps/i386/configure