From: Niklas Fehn <fehn@lnm.mw.tum.de>
Date: Thu, 3 Feb 2022 13:11:47 +0000 (+0100)
Subject: address forward declaration of MappingQCache
X-Git-Tag: v9.4.0-rc1~534^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fpull%2F13330%2Fhead;p=dealii.git

address forward declaration of MappingQCache
---

diff --git a/include/deal.II/fe/mapping_q.h b/include/deal.II/fe/mapping_q.h
index 83f98b803a..447a114eee 100644
--- a/include/deal.II/fe/mapping_q.h
+++ b/include/deal.II/fe/mapping_q.h
@@ -37,9 +37,10 @@
 
 DEAL_II_NAMESPACE_OPEN
 
+#ifndef DOXYGEN
 template <int, int>
 class MappingQCache;
-
+#endif
 
 /*!@addtogroup mapping */
 /*@{*/