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