Dear Satish, Many thanks for your prompt reply. Yes, you are right! I've changed the return type of my function to "PetscErrorCode", it is working now. silly me..... Thanks, Feng
________________________________ From: Satish Balay <[email protected]> Sent: 03 March 2021 18:25 To: feng wang <[email protected]> Cc: PETSc <[email protected]> Subject: Re: [petsc-users] compile error of CHKERRQ when linking to PETSC CHKERRQ() returns error code from the routine. However if the routine is set to return void - use CHKERRABORT() CHKERRABORT(PETSC_COMM_WORLD,ierr) Satish On Wed, 3 Mar 2021, feng wang wrote: > Dear All, > > I am new to PETSC and have exercised on a few simple programs to get myself > familiar with PETSC and the simple codes work properly. So the environment > for PETSC is set up with no problem. Now I am trying to do some work in my > big code which is written in C++. Somehow, I get the compile error for > "CHKERRQ", and the error message is: > > ~/cfd/petsc/include/petscerror.h:464:196: error: return-statement with a > value, in function returning 'void' [-fpermissive] > do {PetscErrorCode ierr__ = (ierr); if (PetscUnlikely(ierr__)) return > PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr__,PETSC_ERROR_REPEAT," > ");} while (0) > > > ^ > domain/cfd/petsc_nk.cpp:23:7: note: in expansion of macro ‘CHKERRQ’ > CHKERRQ(ierr); > > Basically, it complains about "CHKERRQ", if I remove "CHKERRQ", the code > compiles with no problem. Could someone please shine some light on this? > > Many thanks, > Feng >
