I tried to add code to DMPlexts.c and am getting this error: https://gitlab.com/petsc/petsc/-/jobs/636828148
dmplexts.c:(.text+0x1a0f): undefined reference to `DMPlexLandFormLandau_Internal' 1648 <https://gitlab.com/petsc/petsc/-/jobs/636828148#L1648> with this code: PETSC_INTERN PetscErrorCode DMPlexLandFormLandau_Internal(Vec a_X, Mat JacP, const PetscInt dim, void *a_ctx); /*@ DMPlexLandIFunction @*/ PetscErrorCode DMPlexLandIFunction(TS ts,PetscReal time_dummy,Vec X,Vec X_t,Vec F,void *actx) { ..... ierr = DMPlexLandFormLandau_Internal(X,ctx->J,dim,(void*)ctx);CHKERRQ(ierr); I tried with EXTERN also. Any ideas? Thanks, Mark
