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
41 Fortran Joined Separate
52 Fortran Joined Separate
53 -I<directory> Add a directory for INCLUDE and MODULE searching
56 Fortran Joined Separate
57 -J<directory> Put MODULE files in 'directory'
64 Fortran Joined Separate
73 Warn about possible aliasing of dummy arguments
77 Warn about missing ampersand in continued character constants
81 Warn about creation of array temporaries
85 Warn about truncated character expressions
89 Warn about implicit conversion
93 Warn about calls with implicit interface
97 Warn about truncated source lines
101 Warn on intrinsics not part of the selected standard
109 Warn about \"suspicious\" constructs
113 Permit nonconforming uses of the tab character
117 Warn about underflow of numerical constant expressions
121 Warn if a user-procedure has the same name as an intrinsic
124 Fortran Joined Separate Negative(nocpp)
128 Fortran Negative(cpp)
129 Disable preprocessing
133 -d[DIMNU] Dump details about macro names and definitions during preprocessing
136 Fortran RejectNegative
137 All intrinsics procedures are available regardless of selected standard
139 fallow-leading-underscore
141 ; For internal use only: allow the first character of symbol names to be an underscore
145 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
149 Specify that backslash in string introduces an escape character
153 Produce a backtrace when a runtime error is encountered
156 Fortran RejectNegative Joined UInteger
157 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
159 fcheck-array-temporaries
161 Produce a warning at runtime if a array temporary has been created for a procedure argument
164 Fortran RejectNegative
165 Use big-endian format for unformatted files
167 fconvert=little-endian
168 Fortran RejectNegative
169 Use little-endian format for unformatted files
172 Fortran RejectNegative
173 Use native format for unformatted files
176 Fortran RejectNegative
177 Swap endianness for unformatted files
181 Use the Cray Pointer extension
184 Fortran RejectNegative
185 Ignore 'D' in column one in fixed form
188 Fortran RejectNegative
189 Treat lines with 'D' in column one as comments
193 Set the default double precision kind to an 8 byte wide type
197 Set the default integer kind to an 8 byte wide type
201 Set the default real kind to an 8 byte wide type
205 Allow dollar signs in entity names
209 Dump a core file when a runtime error occurs
213 Display the code tree after parsing
217 Specify that an external BLAS library should be used for matmul calls on large-size arrays
221 Use f2c calling convention
224 Fortran RejectNegative
225 Assume that the source file is fixed form
227 fintrinsic-modules-path
228 Fortran RejectNegative Joined Separate
229 Specify where to find the compiled intrinsic modules
231 ffixed-line-length-none
232 Fortran RejectNegative
233 Allow arbitrary character line width in fixed mode
236 Fortran RejectNegative Joined UInteger
237 -ffixed-line-length-<n> Use n as character line width in fixed mode
240 Fortran RejectNegative JoinedOrMissing
241 -ffpe-trap=[..] Stop on following floating point exceptions
244 Fortran RejectNegative
245 Assume that the source file is free form
247 ffree-line-length-none
248 Fortran RejectNegative
249 Allow arbitrary character line width in free mode
252 Fortran RejectNegative Joined UInteger
253 -ffree-line-length-<n> Use n as character line width in free mode
257 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
260 Fortran RejectNegative Joined UInteger
261 -finit-character=<n> Initialize local character variables to ASCII value n
264 Fortran RejectNegative Joined
265 -finit-integer=<n> Initialize local integer variables to n
269 Initialize local variables to zero (from g77)
272 Fortran RejectNegative Joined
273 -finit-logical=<true|false> Initialize local logical variables
276 Fortran RejectNegative Joined
277 -finit-real=<zero|nan|inf|-inf> Initialize local real variables
280 Fortran RejectNegative Joined UInteger
281 -fmax-errors=<n> Maximum number of errors to report
283 fmax-identifier-length=
284 Fortran RejectNegative Joined UInteger
285 -fmax-identifier-length=<n> Maximum identifier length
287 fmax-subrecord-length=
288 Fortran RejectNegative Joined UInteger
289 -fmax-subrecord-length=<n> Maximum length for subrecords
292 Fortran RejectNegative Joined UInteger
293 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
297 Set default accessibility of module entities to PRIVATE.
301 Enable OpenMP (also sets frecursive)
305 Try to lay out derived types as compactly as possible
309 Treat the input file as preprocessed
313 Enable range checking during compilation
316 Fortran RejectNegative
317 Use a 4-byte record marker for unformatted files
320 Fortran RejectNegative
321 Use an 8-byte record marker for unformatted files
325 Allocate local variables on the stack to allow indirect recursion
329 Copy array sections into a contiguous block on procedure entry
333 Append a second underscore if the name already contains an underscore
337 Use the narrowest integer type possible for enumeration types
341 Apply negative sign to zero values
345 Append underscores to externally visible names
352 Fortran Joined Separate
356 Fortran Joined Separate
360 Fortran Joined Separate
364 Fortran Joined Separate
368 Fortran Joined Separate
376 Fortran Joined Separate
377 ; Documented in common.opt
381 Statically link the GNU Fortran helper library (libgfortran)
385 Conform to the ISO Fortran 2003 standard
389 Conform to the ISO Fortran 2008 standard
393 Conform to the ISO Fortran 95 standard
397 Conform to nothing in particular
401 Accept extensions to support legacy code
411 ; This comment is to ensure we retain the blank line above.