(g77.info) Invoking G77

 
 GNU Fortran Command Options
 ***************************
 
    The `g77' command supports all the options supported by the `gcc'
 command.   GNU CC Command Options (gcc)Invoking GCC, 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,
                         without explanations.
* 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
                              compiled.
* 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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