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