These options affect the runtime behavior of programs compiled with GNU Fortran.
-fconvert=
conversion
native
’, the default; ‘swap
’, swap between big- and little-endian; ‘big-endian
’, use big-endian representation for unformatted files; ‘little-endian
’, use little-endian representation for unformatted files. This option has an effect only when used in the main program. The CONVERT
specifier and the GFORTRAN_CONVERT_UNIT environment variable override the default specified by -fconvert
.
-frecord-marker=
length
gfortran
, which specified a default record marker length of 8 on most systems. If you want to read or write files compatible with earlier versions of gfortran
, use -frecord-marker=8
. -fmax-subrecord-length=
length
-fsign-zero
SIGN
intrinsic. -fno-sign-zero
does not print the negative sign of zero values (or values rounded to zero for I/O) and regards zero as positive number in the SIGN
intrinsic for compatibility with Fortran 77. The default is -fsign-zero
.
© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gfortran/Runtime-Options.html