Minor CMAC fixes for merge
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 75cdcbc..8ebe438 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -77,6 +77,11 @@
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
#endif
+#if defined(MBEDTLS_CMAC_C) && \
+ !defined(MBEDTLS_AES_C) && !defined(MBEDTLS_CAMELLIA_C) && !defined(MBEDTLS_DES_C)
+#error "MBEDTLS_CMAC_C defined, but not all prerequisites"
+#endif
+
#if defined(MBEDTLS_ECDH_C) && !defined(MBEDTLS_ECP_C)
#error "MBEDTLS_ECDH_C defined, but not all prerequisites"
#endif