fix doxygen errors of undefined version macros

This adds the version macros for p4est and Trilinos (always returning 1)
to doxygen. Otherwise doxygen freaks out when parsing header files that
contain them.

diff --git a/doc/doxygen/options.dox.in b/doc/doxygen/options.dox.in
index 03cc91fe9437a69cddf09a36f1a37caab5af29a5..8faf11fedad402ade577156d8790045a1f850578 100644 (file)
--- a/doc/doxygen/options.dox.in
+++ b/doc/doxygen/options.dox.in
@@ -185,8 +185,9 @@ PREDEFINED             = DOXYGEN=1 \
                          DEAL_II_NAMESPACE_OPEN= \
                          DEAL_II_NAMESPACE_CLOSE= \
                          DEAL_II_ENABLE_EXTRA_DIAGNOSTICS= \
-                         DEAL_II_DISABLE_EXTRA_DIAGNOSTICS=
-
+                         DEAL_II_DISABLE_EXTRA_DIAGNOSTICS= \
+                         DEAL_II_P4EST_VERSION_GTE=1 \
+                         DEAL_II_TRILINOS_VERSION_GTE=1
 
 # do not expand exception declarations
 EXPAND_AS_DEFINED      = DeclExceptionMsg \