GNU Fortran Command Options
The `g77' command supports all the options supported by the `gcc'
command. Note: GNU CC Command Options, for
information on the non-Fortran-specific aspects of the `gcc' command
(and, therefore, the `g77' command).
All `gcc' and `g77' options are accepted both by `g77' and by `gcc'
(as well as any other drivers built at the same time, such as `g++'),
since adding `g77' to the `gcc' distribution enables acceptance of
`g77'-specific options by all of the relevant drivers.
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.
- * Option Summary
- Brief list of all `g77' options,
- * Overall Options
- Controlling the kind of output:
an executable, object files, assembler files,
or preprocessed source.
- * Shorthand Options
- Options that are shorthand for other options.
- * Fortran Dialect Options
- Controlling the variant of Fortran language
- * Warning Options
- How picky should the compiler be?
- * Debugging Options
- Symbol tables, measurements, and debugging dumps.
- * Optimize Options
- How much optimization?
- * Preprocessor Options
- Controlling header files and macro definitions.
Also, getting dependency information for Make.
- * Directory Options
- Where to find header files and libraries.
Where to find the compiler executable files.
- * Code Gen Options
- Specifying conventions for function calls, data layout
and register usage.
- * Environment Variables
- Env vars that affect GNU Fortran.
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