if (ENABLE_SEQ_PETSC) target_enable_mpi(amdis PUBLIC) target_enable_petsc(amdis PUBLIC) target_compile_definitions(amdis PUBLIC HAVE_SEQ_PETSC=1) target_sources(amdis PRIVATE ${SOURCE_DIR}/solver/PetscSolver.cc ${SOURCE_DIR}/solver/PetscTypes.cc) endif (ENABLE_SEQ_PETSC)