Update belize system config for MPI version update

src/Makefile

@@ -57,6 +57,9 @@ NSIntegrator.o: NSIntegrator.cpp NSIntegrator_impl.cc
 tests/test%.o: tests/test%.cpp
 	$(MPICXX) $(CFLAGS) -o $@ -c $<
 
+tests/test%_x: tests/test%.o tests/test%.src.o TArray.o Parformer.o T_util.o  ESolver.o Timestep.o NSIntegrator.o BaseCase.o Science.o Splits.o Par_util.o Split_reader.o gmres.o gmres_1d_solver.o gmres_2d_solver.o grad.o multigrid.o Options.o
+	$(LD) $(LDFLAGS) -o $@ $^ $(LDLIBS) 
+
 cases/%.o: cases/%.cpp NSIntegrator_impl.cc NSIntegrator.hpp
 	$(MPICXX) $(CFLAGS) -o $@ -c  $<
 
@@ -72,6 +75,11 @@ cases/%.x: cases/%.o cases/%.src.o TArray.o T_util.o Parformer.o ESolver.o Times
 cases/%_x: cases/%.o cases/%.src.o TArray.o T_util.o Parformer.o ESolver.o Timestep.o NSIntegrator.o BaseCase.o Science.o Splits.o Par_util.o Split_reader.o gmres.o gmres_1d_solver.o gmres_2d_solver.o grad.o multigrid.o Options.o
 	$(LD) $(LDFLAGS) -o $@ $^ $(LDLIBS)
 
+tests/test%.src.c: tests/test%.cpp CaseFileSource.c
+	echo "const char casefilesource[] = {`xxd -i < $<`, 0x00};" > $@
+	echo "const char casefilename[] = \"$<\";" >> $@
+	cat CaseFileSource.c >> $@
+
 cases/%.src.c: cases/%.cpp CaseFileSource.c
 	echo "const char casefilesource[] = {`xxd -i < $<`, 0x00};" > $@
 	echo "const char casefilename[] = \"$<\";" >> $@

systems/belize.sh

@@ -4,7 +4,7 @@
 
 CC=gcc
 CXX=g++
-LD=mpicc
+LD=mpic++
 
 # System-specific compiler flags
 SYSTEM_CFLAGS=