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(g77-300.info)Option Summary

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Option Summary
==============

   Here is a summary of all the options specific to GNU Fortran, grouped
by type.  Explanations are in the following sections.

_Overall Options_
     Note: Options Controlling the Kind of Output.
          -fversion  -fset-g77-defaults  -fno-silent

_Shorthand Options_
     Note: Shorthand Options.
          -ff66  -fno-f66  -ff77  -fno-f77  -fno-ugly

_Fortran Language Options_
     Note: Options Controlling Fortran Dialect.
          -ffree-form  -fno-fixed-form  -ff90
          -fvxt  -fdollar-ok  -fno-backslash
          -fno-ugly-args  -fno-ugly-assign  -fno-ugly-assumed
          -fugly-comma  -fugly-complex  -fugly-init  -fugly-logint
          -fonetrip  -ftypeless-boz
          -fintrin-case-initcap  -fintrin-case-upper
          -fintrin-case-lower  -fintrin-case-any
          -fmatch-case-initcap  -fmatch-case-upper
          -fmatch-case-lower  -fmatch-case-any
          -fsource-case-upper  -fsource-case-lower
          -fsource-case-preserve
          -fsymbol-case-initcap  -fsymbol-case-upper
          -fsymbol-case-lower  -fsymbol-case-any
          -fcase-strict-upper  -fcase-strict-lower
          -fcase-initcap  -fcase-upper  -fcase-lower  -fcase-preserve
          -ff2c-intrinsics-delete  -ff2c-intrinsics-hide
          -ff2c-intrinsics-disable  -ff2c-intrinsics-enable
          -fbadu77-intrinsics-delete  -fbadu77-intrinsics-hide
          -fbadu77-intrinsics-disable  -fbadu77-intrinsics-enable
          -ff90-intrinsics-delete  -ff90-intrinsics-hide
          -ff90-intrinsics-disable  -ff90-intrinsics-enable
          -fgnu-intrinsics-delete  -fgnu-intrinsics-hide
          -fgnu-intrinsics-disable  -fgnu-intrinsics-enable
          -fmil-intrinsics-delete  -fmil-intrinsics-hide
          -fmil-intrinsics-disable  -fmil-intrinsics-enable
          -funix-intrinsics-delete  -funix-intrinsics-hide
          -funix-intrinsics-disable  -funix-intrinsics-enable
          -fvxt-intrinsics-delete  -fvxt-intrinsics-hide
          -fvxt-intrinsics-disable  -fvxt-intrinsics-enable
          -ffixed-line-length-N  -ffixed-line-length-none

_Warning Options_
     Note: Options to Request or Suppress Warnings.
          -fsyntax-only  -pedantic  -pedantic-errors  -fpedantic
          -w  -Wno-globals  -Wimplicit  -Wunused  -Wuninitialized
          -Wall  -Wsurprising
          -Werror  -W

_Debugging Options_
     Note: Options for Debugging Your Program or GCC.
          -g

_Optimization Options_
     Note: Options that Control Optimization.
          -malign-double
          -ffloat-store  -fforce-mem  -fforce-addr  -fno-inline
          -ffast-math  -fstrength-reduce  -frerun-cse-after-loop
          -fexpensive-optimizations  -fdelayed-branch
          -fschedule-insns  -fschedule-insn2  -fcaller-saves
          -funroll-loops  -funroll-all-loops
          -fno-move-all-movables  -fno-reduce-all-givs
          -fno-rerun-loop-opt

_Directory Options_
     Note: Options for Directory Search.
          -IDIR  -I-

_Code Generation Options_
     Note: Options for Code Generation Conventions.
          -fno-automatic  -finit-local-zero  -fno-f2c
          -ff2c-library  -fno-underscoring  -fno-ident
          -fpcc-struct-return  -freg-struct-return
          -fshort-double  -fno-common  -fpack-struct
          -fzeros  -fno-second-underscore
          -fdebug-kludge  -femulate-complex
          -falias-check  -fargument-alias
          -fargument-noalias  -fno-argument-noalias-global
          -fno-globals  -fflatten-arrays
          -fbounds-check  -ffortran-bounds-check

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.