CMake: Fix link interface for p4est

git-svn-id: https://svn.dealii.org/trunk@29970 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/cmake/modules/FindP4EST.cmake b/deal.II/cmake/modules/FindP4EST.cmake
index e2c0727dc8bddb5493acd215e34c911292636552..93cf297f70216af3ba034055af4d5ca5127dfaf0 100644 (file)
--- a/deal.II/cmake/modules/FindP4EST.cmake
+++ b/deal.II/cmake/modules/FindP4EST.cmake
@@ -92,6 +92,7 @@ IF(P4EST_FOUND)
   SET(P4EST_LIBRARIES
     ${P4EST_LIBRARY}
     ${SC_LIBRARY}
+    ${MPI_CXX_LIBRARIES} # for good measure
     )
   SET(P4EST_INCLUDE_DIRS
     ${P4EST_INCLUDE_DIR}