added checkparalel.hh

dune/alugrid/3d/alu3dinclude.hh

@@ -60,7 +60,7 @@ namespace ALUGrid
 
 } // namespace ALUGrid
 
-//#include <dune/alugrid/common/checkparallel.hh>
+#include <dune/alugrid/common/checkparallel.hh>
 
 // if MPI was found include all headers
 #if ALU3DGRID_PARALLEL

dune/alugrid/common/Makefile.am

 alucommondir = $(includedir)/dune/alugrid/common
 alucommon_HEADERS = backuprestore.hh \
-                    bndprojection.hh \
-                    capabilities.hh \
-                    declaration.hh \
-                    defaultindexsets.hh \
-                    geostorage.hh \
-                    intersectioniteratorwrapper.hh \
-                    interfaces.hh \
-                    memory.hh \
-                    objectfactory.hh \
-                    persistentcontainer.hh \
-                    transformation.hh
+										bndprojection.hh \
+										capabilities.hh \
+										checkparallel.hh \
+										declaration.hh \
+										defaultindexsets.hh \
+										geostorage.hh \
+										intersectioniteratorwrapper.hh \
+										interfaces.hh \
+										memory.hh \
+										objectfactory.hh \
+										persistentcontainer.hh \
+										transformation.hh
 
 include $(top_srcdir)/am/global-rules

dune/alugrid/common/checkparallel.hh

+#ifndef DUNE_ALUGRID_CHECKPARALLEL_HH
+#define DUNE_ALUGRID_CHECKPARALLEL_HH
+
+#if HAVE_MPI
+  // if this variable is defined, 
+  // then parallel version of ALUGrid is compiled
+  #if HAVE_DUNE_ALUGRID_MPI
+    #define ALU3DGRID_PARALLEL 1
+  #else 
+    #warning "The ALUGrid-library wasn't compiled for parallel usage. Reconfigure\
+ using the MPI compiler script or compile Dune without the MPI support!\
+ Defaulting to serial ALUGrid!"
+    #define ALU3DGRID_PARALLEL 0
+  #endif
+#else  // #if HAVE_MPI
+  #define ALU3DGRID_PARALLEL 0
+#endif // #else  // #if HAVE_MPI
+
+#endif // #ifndef DUNE_ALUGRID_CHECKPARALLEL_HH