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; Options for the Fortran 95 front end.

; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010

; Free Software Foundation, Inc.

;

; This file is part of GCC.

;

; GCC is free software; you can redistribute it and/or modify it under

; the terms of the GNU General Public License as published by the Free

; Software Foundation; either version 3, or (at your option) any later

; version.

;

; GCC is distributed in the hope that it will be useful, but WITHOUT ANY

; WARRANTY; without even the implied warranty of MERCHANTABILITY or

; FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

; for more details.

;

; You should have received a copy of the GNU General Public License

; along with GCC; see the file COPYING3.  If not see

; .

; See the GCC internals manual for a description of this file's format.

; Please try to keep this file in ASCII collating order.

Language

Fortran

A

Fortran Joined Separate

; Documented in C

C

Fortran

; Documented in C

CC

Fortran

; Documented in C

D

Fortran Joined Separate

; Documented in C

E

Fortran Undocumented

H

Fortran

; Documented in C

I

Fortran Joined Separate

; Documented in C

J

Fortran Joined Separate

-J      Put MODULE files in 'directory'

M

Fortran

; Documented in C

MD

Fortran Separate

; Documented in C

MF

Fortran Joined Separate

; Documented in C

MG

Fortran

; Documented in C

MM

Fortran

; Documented in C

MMD

Fortran Separate

; Documented in C

MP

Fortran

; Documented in C

MT

Fortran Joined Separate

; Documented in C

MQ

Fortran Joined Separate

; Documented in C

P

Fortran

; Documented in C

U

Fortran Joined Separate

; Documented in C

Wall

Fortran

; Documented in C

Waliasing

Fortran Warning

Warn about possible aliasing of dummy arguments

Walign-commons

Fortran Warning

Warn about alignment of COMMON blocks

Wampersand

Fortran Warning

Warn about missing ampersand in continued character constants

Warray-temporaries

Fortran Warning

Warn about creation of array temporaries

Wcharacter-truncation

Fortran Warning

Warn about truncated character expressions

Wconversion

Fortran Warning

; Documented in C

Wimplicit-interface

Fortran Warning

Warn about calls with implicit interface

Wimplicit-procedure

Fortran Warning

Warn about called procedures not explicitly declared

Wline-truncation

Fortran Warning

Warn about truncated source lines

Wintrinsics-std

Fortran Warning

Warn on intrinsics not part of the selected standard

Wreturn-type

Fortran Warning

; Documented in C

Wsurprising

Fortran Warning

Warn about \"suspicious\" constructs

Wtabs

Fortran Warning

Permit nonconforming uses of the tab character

Wunderflow

Fortran Warning

Warn about underflow of numerical constant expressions

Wintrinsic-shadow

Fortran Warning

Warn if a user-procedure has the same name as an intrinsic

cpp

Fortran Joined Separate Negative(nocpp)

Enable preprocessing

nocpp

Fortran Negative(cpp)

Disable preprocessing

d

Fortran Joined

; Documented in common.opt

falign-commons

Fortran

Enable alignment of COMMON blocks

fall-intrinsics

Fortran RejectNegative

All intrinsics procedures are available regardless of selected standard

fallow-leading-underscore

Fortran Undocumented

; For internal use only: allow the first character of symbol names to be an underscore

fautomatic

Fortran

Do not treat local variables and COMMON blocks as if they were named in SAVE statements

fbackslash

Fortran

Specify that backslash in string introduces an escape character

fbacktrace

Fortran

Produce a backtrace when a runtime error is encountered

fblas-matmul-limit=

Fortran RejectNegative Joined UInteger

-fblas-matmul-limit=    Size of the smallest matrix for which matmul will use BLAS

fcheck-array-temporaries

Fortran

Produce a warning at runtime if a array temporary has been created for a procedure argument

fconvert=big-endian

Fortran RejectNegative

Use big-endian format for unformatted files

fconvert=little-endian

Fortran RejectNegative

Use little-endian format for unformatted files

fconvert=native

Fortran RejectNegative

Use native format for unformatted files

fconvert=swap

Fortran RejectNegative

Swap endianness for unformatted files

fcray-pointer

Fortran

Use the Cray Pointer extension

fd-lines-as-code

Fortran RejectNegative

Ignore 'D' in column one in fixed form

fd-lines-as-comments

Fortran RejectNegative

Treat lines with 'D' in column one as comments

fdefault-double-8

Fortran

Set the default double precision kind to an 8 byte wide type

fdefault-integer-8

Fortran

Set the default integer kind to an 8 byte wide type

fdefault-real-8

Fortran

Set the default real kind to an 8 byte wide type

fdollar-ok

Fortran

Allow dollar signs in entity names

fdump-core

Fortran

Dump a core file when a runtime error occurs

fdump-parse-tree

Fortran

Display the code tree after parsing

fexternal-blas

Fortran

Specify that an external BLAS library should be used for matmul calls on large-size arrays

ff2c

Fortran

Use f2c calling convention

ffixed-form

Fortran RejectNegative

Assume that the source file is fixed form

fintrinsic-modules-path

Fortran RejectNegative Joined Separate

Specify where to find the compiled intrinsic modules

ffixed-line-length-none

Fortran RejectNegative

Allow arbitrary character line width in fixed mode

ffixed-line-length-

Fortran RejectNegative Joined UInteger

-ffixed-line-length-    Use n as character line width in fixed mode

ffpe-trap=

Fortran RejectNegative JoinedOrMissing

-ffpe-trap=[...]        Stop on following floating point exceptions

ffree-form

Fortran RejectNegative

Assume that the source file is free form

ffree-line-length-none

Fortran RejectNegative

Allow arbitrary character line width in free mode

ffree-line-length-

Fortran RejectNegative Joined UInteger

-ffree-line-length-     Use n as character line width in free mode

fimplicit-none

Fortran

Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements

finit-character=

Fortran RejectNegative Joined UInteger

-finit-character=       Initialize local character variables to ASCII value n

finit-integer=

Fortran RejectNegative Joined

-finit-integer= Initialize local integer variables to n

finit-local-zero

Fortran

Initialize local variables to zero (from g77)

finit-logical=

Fortran RejectNegative Joined

-finit-logical= Initialize local logical variables

finit-real=

Fortran RejectNegative Joined

-finit-real=    Initialize local real variables

fmax-array-constructor=

Fortran RejectNegative Joined UInteger

-fmax-array-constructor=        Maximum number of objects in an array constructor

fmax-errors=

Fortran RejectNegative Joined UInteger

-fmax-errors=   Maximum number of errors to report

fmax-identifier-length=

Fortran RejectNegative Joined UInteger

-fmax-identifier-length=        Maximum identifier length

fmax-subrecord-length=

Fortran RejectNegative Joined UInteger

-fmax-subrecord-length= Maximum length for subrecords

fmax-stack-var-size=

Fortran RejectNegative Joined UInteger

-fmax-stack-var-size=   Size in bytes of the largest array that will be put on the stack

fmodule-private

Fortran

Set default accessibility of module entities to PRIVATE.

fopenmp

Fortran

; Documented in C

fpack-derived

Fortran

Try to lay out derived types as compactly as possible

fpreprocessed

Fortran

; Documented in C

fprotect-parens

Fortran

Protect parentheses in expressions

frange-check

Fortran

Enable range checking during compilation

frecord-marker=4

Fortran RejectNegative

Use a 4-byte record marker for unformatted files

frecord-marker=8

Fortran RejectNegative

Use an 8-byte record marker for unformatted files

frecursive

Fortran

Allocate local variables on the stack to allow indirect recursion

frepack-arrays

Fortran

Copy array sections into a contiguous block on procedure entry

fcheck=

Fortran RejectNegative JoinedOrMissing

-fcheck=[...]   Specify which runtime checks are to be performed

fsecond-underscore

Fortran

Append a second underscore if the name already contains an underscore

fshort-enums

Fortran

; Documented in C

fsign-zero

Fortran

Apply negative sign to zero values

funderscoring

Fortran

Append underscores to externally visible names

fwhole-file

Fortran

Compile all program units at once and check all interfaces

fworking-directory

Fortran

; Documented in C

idirafter

Fortran Joined Separate

; Documented in C

imultilib

Fortran Joined Separate

; Documented in C

iprefix

Fortran Joined Separate

; Documented in C

iquote

Fortran Joined Separate

; Documented in C

isysroot

Fortran Joined Separate

; Documented in C

isystem

Fortran Joined Separate

; Documented in C

nostdinc

Fortran

; Documented in C

o

Fortran Joined Separate

; Documented in common.opt

static-libgfortran

Fortran

Statically link the GNU Fortran helper library (libgfortran)

std=f2003

Fortran

Conform to the ISO Fortran 2003 standard

std=f2008

Fortran

Conform to the ISO Fortran 2008 standard

std=f95

Fortran

Conform to the ISO Fortran 95 standard

std=gnu

Fortran

Conform to nothing in particular

std=legacy

Fortran

Accept extensions to support legacy code

undef

Fortran

; Documented in C

v

Fortran

; Documented in C

; This comment is to ensure we retain the blank line above.