From 9e4ac84b6eed7cc622d041c396bc460ce7e1bf07 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Mon, 5 Dec 2022 14:03:43 +0100
Subject: force include of taler_util.h, not of taler_crypto_lib.h or
 taler_amount_lib.h

---
 src/include/taler_crypto_lib.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/include/taler_crypto_lib.h')

diff --git a/src/include/taler_crypto_lib.h b/src/include/taler_crypto_lib.h
index 631883f4..4fdda39e 100644
--- a/src/include/taler_crypto_lib.h
+++ b/src/include/taler_crypto_lib.h
@@ -19,6 +19,10 @@
  * @author Sree Harsha Totakura <sreeharsha@totakura.in>
  * @author Christian Grothoff <christian@grothoff.org>
  */
+#if ! defined (__TALER_UTIL_LIB_H_INSIDE__)
+#error "Only <taler_util.h> can be included directly."
+#endif
+
 #ifndef TALER_CRYPTO_LIB_H
 #define TALER_CRYPTO_LIB_H
 
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