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If you don't need help getting started reading the portions of this manual that are most important to you, you should skip this portion of the manual.
If you are new to compilers, especially Fortran compilers, or new to how compilers are structured under UNIX and UNIX-like systems, you'll want to see 5. What is GNU Fortran?.
If you are new to GNU compilers, or have used only one GNU
compiler in the past and not had to delve into how it lets
you manage various versions and configurations of
you should see 6. Compile Fortran, C, or Other Programs.
Everyone except experienced
g77 users should
see 7. GNU Fortran Command Options.
If you're acquainted with previous versions of
you should see News About GNU Fortran.
Further, if you've actually used previous versions of
especially if you've written or modified Fortran code to
be compiled by previous versions of
should see 9. User-visible Changes.
If you intend to write or otherwise compile code that is not already strictly conforming ANSI FORTRAN 77--and this is probably everyone--you should see 10. The GNU Fortran Language.
If you don't already have
g77 installed on your
system, you must see 15. Installing GNU Fortran.
If you run into trouble getting Fortran code to compile,
link, run, or work properly, you might find answers
if you see 16. Debugging and Interfacing,
see 17. Collected Fortran Wisdom,
and see 18. Known Causes of Trouble with GNU Fortran.
You might also find that the problems you are encountering
are bugs in
g77---see 20. Reporting Bugs, for information on
reporting them, after reading the other material.
If you need further help with
g77, or with
freely redistributable software in general,
see 21. How To Get Help with GNU Fortran.
If you would like to help the
see 2. Funding GNU Fortran, for information on
helping financially, and see 23. Projects, for information
on helping in other ways.
If you're generally curious about the future of
g77, see 23. Projects.
If you're curious about its past,
see Contributors to GNU Fortran,
and see 2. Funding GNU Fortran.
To see a few of the questions maintainers of
and that you might be able to answer,
see 19. Open Questions.
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