diff --git a/config.h.in b/config.h.in
new file mode 100644
index 0000000..70b98c9
--- /dev/null
+++ b/config.h.in
@@ -0,0 +1 @@
+#cmakedefine BMCWEB_HTTP_REQ_BODY_LIMIT_MB @BMCWEB_HTTP_REQ_BODY_LIMIT_MB@