1 ; Options for the Fortran 95 front end.
2 ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008
3 ; Free Software Foundation, Inc.
5 ; This file is part of GCC.
7 ; GCC is free software; you can redistribute it and/or modify it under
8 ; the terms of the GNU General Public License as published by the Free
9 ; Software Foundation; either version 3, or (at your option) any later
12 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 ; You should have received a copy of the GNU General Public License
18 ; along with GCC; see the file COPYING3. If not see
19 ; <http://www.gnu.org/licenses/>.
21 ; See the GCC internals manual for a description of this file's format.
23 ; Please try to keep this file in ASCII collating order.
29 Fortran Joined Separate
30 -I<directory> Add a directory for INCLUDE and MODULE searching
33 Fortran Joined Separate
34 -J<directory> Put MODULE files in 'directory'
42 Warn about possible aliasing of dummy arguments
46 Warn about missing ampersand in continued character constants
50 Warn about truncated character expressions
54 Warn about implicit conversion
58 Warn about calls with implicit interface
62 Warn about truncated source lines
66 Warn about usage of non-standard intrinsics
74 Warn about \"suspicious\" constructs
78 Permit nonconforming uses of the tab character
82 Warn about underflow of numerical constant expressions
85 Fortran RejectNegative
86 All intrinsics procedures are available regardless of selected standard
88 fallow-leading-underscore
90 ; For internal use only: allow the first character of symbol names to be an underscore
94 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
98 Specify that backslash in string introduces an escape character
102 Produce a backtrace when a runtime error is encountered
105 Fortran RejectNegative Joined UInteger
106 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
109 Fortran RejectNegative
110 Use big-endian format for unformatted files
112 fconvert=little-endian
113 Fortran RejectNegative
114 Use little-endian format for unformatted files
117 Fortran RejectNegative
118 Use native format for unformatted files
121 Fortran RejectNegative
122 Swap endianness for unformatted files
126 Use the Cray Pointer extension
129 Fortran RejectNegative
130 Ignore 'D' in column one in fixed form
133 Fortran RejectNegative
134 Treat lines with 'D' in column one as comments
138 Set the default double precision kind to an 8 byte wide type
142 Set the default integer kind to an 8 byte wide type
146 Set the default real kind to an 8 byte wide type
150 Allow dollar signs in entity names
154 Dump a core file when a runtime error occurs
158 Display the code tree after parsing
162 Specify that an external BLAS library should be used for matmul calls on large-size arrays
166 Use f2c calling convention
169 Fortran RejectNegative
170 Assume that the source file is fixed form
172 fintrinsic-modules-path
173 Fortran RejectNegative Joined Separate
174 Specify where to find the compiled intrinsic modules
176 ffixed-line-length-none
177 Fortran RejectNegative
178 Allow arbitrary character line width in fixed mode
181 Fortran RejectNegative Joined UInteger
182 -ffixed-line-length-<n> Use n as character line width in fixed mode
185 Fortran RejectNegative JoinedOrMissing
186 -ffpe-trap=[..] Stop on following floating point exceptions
189 Fortran RejectNegative
190 Assume that the source file is free form
192 ffree-line-length-none
193 Fortran RejectNegative
194 Allow arbitrary character line width in free mode
197 Fortran RejectNegative Joined UInteger
198 -ffree-line-length-<n> Use n as character line width in free mode
202 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
205 Fortran RejectNegative Joined UInteger
206 -finit-character=<n> Initialize local character variables to ASCII value n
209 Fortran RejectNegative Joined
210 -finit-integer=<n> Initialize local integer variables to n
214 Initialize local variables to zero (from g77)
217 Fortran RejectNegative Joined
218 -finit-logical=<true|false> Initialize local logical variables
221 Fortran RejectNegative Joined
222 -finit-real=<zero|nan|inf|-inf> Initialize local real variables
225 Fortran RejectNegative Joined UInteger
226 -fmax-errors=<n> Maximum number of errors to report
228 fmax-identifier-length=
229 Fortran RejectNegative Joined UInteger
230 -fmax-identifier-length=<n> Maximum identifier length
232 fmax-subrecord-length=
233 Fortran RejectNegative Joined UInteger
234 -fmax-subrecord-length=<n> Maximum length for subrecords
237 Fortran RejectNegative Joined UInteger
238 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
242 Set default accessibility of module entities to PRIVATE.
246 Enable OpenMP (also sets frecursive)
250 Try to lay out derived types as compactly as possible
254 Treat the input file as preprocessed
258 Enable range checking during compilation
261 Fortran RejectNegative
262 Use a 4-byte record marker for unformatted files
265 Fortran RejectNegative
266 Use an 8-byte record marker for unformatted files
270 Allocate local variables on the stack to allow indirect recursion
274 Copy array sections into a contiguous block on procedure entry
278 Append a second underscore if the name already contains an underscore
282 Use the narrowest integer type possible for enumeration types
286 Apply negative sign to zero values
290 Append underscores to externally visible names
294 Statically link the GNU Fortran helper library (libgfortran)
298 Conform to the ISO Fortran 2003 standard
302 Conform to the ISO Fortran 2008 standard
306 Conform to the ISO Fortran 95 standard
310 Conform to nothing in particular
314 Accept extensions to support legacy code
316 ; This comment is to ensure we retain the blank line above.