PETSC headers

billy at dem.uminho.pt billy at dem.uminho.pt
Sat Feb 18 18:11:24 CST 2006


Thank you very much for your help. I think it is going work now.

I am going to try and adapt my code to use PETSc. It is an unstructured finite
volume solver.

Billy.

Quoting Satish Balay <balay at mcs.anl.gov>:

> For one you have correctly modify SOURCE_DIR [I didn't know what was
> correct value for you]. And then make sure other things are correctly
> specified - like SOURCE_OBJ etc..
> 
> I don't see any 'debug/main.o' specified in the makefile - not sure
> where its coming from.
> 
> This discusion is better done at petsc-maint at mcs.anl.gov. If you have
> more isues - send us all the relavent files - so that we can reproduce
> problems.
> 
> Satish
> 
> On Sat, 18 Feb 2006, billy at dem.uminho.pt wrote:
> 
> >  --------------------------------------
> > 
> > SOURCE_DIR = ???
> > METIS_INC  = -I$(SOURCE_DIR)/metis/include
> > METIS_LIB  = $(METIS_DIR)/libmetis.a
> > EXECUTABLE = examples/ex
> > SOURCE_OBJ = ex1.o
> >  
> > CFLAGS           = 
> > FFLAGS           =
> > CPPFLAGS         = $(METIS_INC)
> > FPPFLAGS         =
> > CLEANFILES       = $(EXECUTABLE)
> >  
> > include ${PETSC_DIR}/bmake/common/base
> >  
> > all: $(SOURCE_OBJ)  chkopts
> >  	-${CLINKER} -o $(EXECUTABLE) $(SOURCE_OBJ) $(METIS_LIB)  ${PETSC_LIB}
> >  
> >  --------------------------------------
> > 
> > 
> > If I use that is says:
> > 
> > make: *** No rule to make target `debug/main.o', needed by `all'.  Stop.
> > 
> > Billy.
> > 
> > 
> > 
> > Quoting Satish Balay <balay at mcs.anl.gov>:
> > 
> > > PETSc is installed with MPI, LAPACK - and can be installed with
> PARMETIS
> > > [which has metis.a].  So there is no reason to have a non-petsc
> > > makefile.
> > > 
> > > And you can't use a different MPI than what PETSc is installed with.
> > > 
> > > The simplest makefile would be:
> > > 
> > > --------------------------------------
> > > CFLAGS           =
> > > FFLAGS           =
> > > CPPFLAGS         =
> > > FPPFLAGS         =
> > > CLEANFILES       =
> > > 
> > > include ${PETSC_DIR}/bmake/common/base
> > > 
> > > ex1: ex1.o  chkopts
> > > 	-${CLINKER} -o ex1 ex1.o  ${PETSC_LIB}
> > > 	${RM} ex1.o
> > > --------------------------------------
> > > 
> > > Where 
> > > 
> > > CLEANFILES - is additonal files you want to get deleted with 'make
> clean'
> > > CPPFLAGS, FPPFLAGS are additional user required preprocessor flags [for
> eg
> > > -DFOOBAR]
> > > CFLAGS,FFLAGS are additional user required compiler flags [perhaps like
> > > -r8]
> > > 
> > > If you wish to just use PETSc as installed [without parmetis] - and
> > > 'metis' required by your code, use:
> > > 
> > > --------------------------------------
> > > SOURCE_DIR = ???
> > > METIS_INC  = -I$(SOURCE_DIR)/metis/include
> > > METIS_LIB  = $(METIS_DIR)/libmetis.a
> > > EXECUTABLE = examples/ex
> > > SOURCE_OBJ = ex1.o
> > > 
> > > CFLAGS           = 
> > > FFLAGS           =
> > > CPPFLAGS         = $(METIS_INC)
> > > FPPFLAGS         =
> > > CLEANFILES       = $(EXECUTABLE)
> > > 
> > > include ${PETSC_DIR}/bmake/common/base
> > > 
> > > all: $(SOURCE_OBJ)  chkopts
> > > 	-${CLINKER} -o $(EXECUTABLE) $(SOURCE_OBJ) $(METIS_LIB)  ${PETSC_LIB}
> > > 
> > > --------------------------------------
> > > 
> > > 
> > > Satish
> > > 
> > > On Sat, 18 Feb 2006, billy at dem.uminho.pt wrote:
> > > 
> > > > 
> > > > 
> > > > No, the examples are working OK. I compiled
> > > > petsc/src/snes/examples/tutorials/ex10d/ex10.c and there is no
> problem.
> > > > 
> > > > I must be doing something wrong in my makefile.
> > > > 
> > > > # METIS
> > > > METIS_DIR = $(SOURCE_DIR)/metis
> > > > METIS_LIB = $(METIS_DIR)/libmetis.a
> > > > 
> > > > # Multiple processor - MPICH
> > > > ifeq ($(MPI_VERSION), MPICH)
> > > >   MPI_LIB = -L$(HOME)/MPICH/mpich-1.2.7/lib
> > > >   MPI_INC = -I$(HOME)/MPICH/mpich-1.2.7/include
> > > >   CFLAGS = -I$(SOURCE_DIR) -I$(LASPACK_DIR) $(MPI_INC) $(MPI_LIB)
> > > > $(PETSC_INCLUDE) $(PETSC_LIB) -lm
> > > >   CC = $(CLINKER)
> > > > endif
> > > > 
> > > > # Multiple processor - LAM
> > > > ifeq ($(MPI_VERSION), LAM)
> > > >   MPI_LIB = -L$(HOME)/LAMMPI/lam-7.1.1/linux/lib
> > > >   MPI_INC = -I$(HOME)/LAMMPI/lam-7.1.1/linux/include
> > > >   CFLAGS = -I$(SOURCE_DIR) -I$(LASPACK_DIR) $(MPI_INC) $(MPI_LIB)
> > > > $(PETSC_INCLUDE) $(PETSC_LIB) -lm -lmpi
> > > >   CC = $(CLINKER)
> > > > endif
> > > > 
> > > > # PETSC
> > > > include ${PETSC_DIR}/bmake/common/base
> > > > 
> > > > EXECUTABLE = examples/ex
> > > > 
> > > > all: $(SOURCE_OBJ) $(LASPACK_OBJ)
> > > > 
> > > > ifeq ($(MPI_VERSION),LAM)
> > > > 	@echo ""
> > > > 	@echo "***** Building with LAM option *****"
> > > > 	@echo ""
> > > > endif
> > > > 
> > > > ifeq ($(MPI_VERSION),MPICH)
> > > > 	@echo ""
> > > > 	@echo "***** Building with MPICH option *****"
> > > > 	@echo ""
> > > > endif
> > > > 
> > > > 	$(CC) $(SOURCE_OBJ) $(METIS_LIB) $(PETSC_LIB) -o $(EXECUTABLE)
> > > > 
> > > 
> > > 
> > 
> > 
> > 
> 
> 





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