http://gcc.gnu.org/onlinedocs/gfortran/Runtime-Options.html#Runtime-Options
$ gfortran -fconvert=native test.f90 $ gfortran -fconvert=swap test.f90 $ gfortran -fconvert=little_endian test.f90 f951: error: unrecognized command line option "-fconvert=little_endian" $ gfortran -fconvert=big_endian test.f90 f951: error: unrecognized command line option "-fconvert=big_endian" Expected: big_endian and little_endian are supported as well -- Summary: -fconvert only accepts native and swap, but not little_endian or big_endian Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: burnus at gcc dot gnu dot org http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31918