enable WITH_GMSH for doxygen

diff --git a/doc/doxygen/options.dox.in b/doc/doxygen/options.dox.in
index c1e54a0fabe1697ff6f94756ec69d419e947eecd..df538191f92eaee5ebfb46bac27dcbfdbb5246eb 100644 (file)
--- a/doc/doxygen/options.dox.in
+++ b/doc/doxygen/options.dox.in
@@ -177,6 +177,7 @@ PREDEFINED             = DOXYGEN=1 \
                          DEAL_II_WITH_CXX17=1 \
                          DEAL_II_WITH_CUDA=1 \
                          DEAL_II_WITH_GSL=1 \
+                         DEAL_II_WITH_GMSH=1 \
                          DEAL_II_WITH_HDF5=1 \
                          DEAL_II_WITH_LAPACK=1 \
                          DEAL_II_WITH_METIS=1 \