g77 command supports all the options supported by the
See GCC Command Options, for information
on the non-Fortran-specific aspects of the
gcc command (and,
are accepted both by
g77 and by
(as well as any other drivers built at the same time,
g77 to the
enables acceptance of
by all of the relevant drivers.
In some cases, options have positive and negative forms;
the negative form of
-ffoo would be
This manual documents only one of these two forms, whichever
one is not the default.