-- a/ThirdParty/ioss/vtkioss/Ioss_FileInfo.C.orig
++ b/ThirdParty/ioss/vtkioss/Ioss_FileInfo.C
#define S_ISDIR(m) (((m)&_S_IFMT) == _S_IFDIR)
#endif
#else
#include <sys/unistd.h>
#include <unistd.h>
#ifdef SEACAS_HAVE_MPI