The g77 command supports all the options supported by the
gcc command.
See section `GNU CC Command Options' in Using and Porting GNU CC,
for information
on the non-Fortran-specific aspects of the gcc command (and,
therefore, the g77 command).
The g77 command supports one option not supported by
the gcc command:
--driver=command
gcc, is to
be invoked by g77 to do its job.
For example, within the gcc build directory after
building GNU Fortran (but without having to install it),
./g77 --driver=./xgcc foo.f -B./.
All other options are supported both by g77 and by gcc as
modified (and reinstalled) by the g77 distribution.
In some cases, options have positive and negative forms;
the negative form of `-ffoo' would be `-fno-foo'.
This manual documents only one of these two forms, whichever
one is not the default.
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