1 ; Options for the Fortran 95 front end.
2 ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
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
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
97 Warn about calls with implicit interface
101 Warn about called procedures not explicitly declared
105 Warn about truncated source lines
109 Warn on intrinsics not part of the selected standard
117 Warn about \"suspicious\" constructs
121 Permit nonconforming uses of the tab character
125 Warn about underflow of numerical constant expressions
129 Warn if a user-procedure has the same name as an intrinsic
132 Fortran Joined Separate Negative(nocpp)
136 Fortran Negative(cpp)
137 Disable preprocessing
141 ; Documented in common.opt
145 Enable alignment of COMMON blocks
148 Fortran RejectNegative
149 All intrinsics procedures are available regardless of selected standard
151 fallow-leading-underscore
153 ; For internal use only: allow the first character of symbol names to be an underscore
157 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
161 Specify that backslash in string introduces an escape character
165 Produce a backtrace when a runtime error is encountered
168 Fortran RejectNegative Joined UInteger
169 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
171 fcheck-array-temporaries
173 Produce a warning at runtime if a array temporary has been created for a procedure argument
176 Fortran RejectNegative
177 Use big-endian format for unformatted files
179 fconvert=little-endian
180 Fortran RejectNegative
181 Use little-endian format for unformatted files
184 Fortran RejectNegative
185 Use native format for unformatted files
188 Fortran RejectNegative
189 Swap endianness for unformatted files
193 Use the Cray Pointer extension
196 Fortran RejectNegative
197 Ignore 'D' in column one in fixed form
200 Fortran RejectNegative
201 Treat lines with 'D' in column one as comments
205 Set the default double precision kind to an 8 byte wide type
209 Set the default integer kind to an 8 byte wide type
213 Set the default real kind to an 8 byte wide type
217 Allow dollar signs in entity names
221 Dump a core file when a runtime error occurs
225 Display the code tree after parsing
229 Specify that an external BLAS library should be used for matmul calls on large-size arrays
233 Use f2c calling convention
236 Fortran RejectNegative
237 Assume that the source file is fixed form
239 fintrinsic-modules-path
240 Fortran RejectNegative Joined Separate
241 Specify where to find the compiled intrinsic modules
243 ffixed-line-length-none
244 Fortran RejectNegative
245 Allow arbitrary character line width in fixed mode
248 Fortran RejectNegative Joined UInteger
249 -ffixed-line-length-<n> Use n as character line width in fixed mode
252 Fortran RejectNegative JoinedOrMissing
253 -ffpe-trap=[...] Stop on following floating point exceptions
256 Fortran RejectNegative
257 Assume that the source file is free form
259 ffree-line-length-none
260 Fortran RejectNegative
261 Allow arbitrary character line width in free mode
264 Fortran RejectNegative Joined UInteger
265 -ffree-line-length-<n> Use n as character line width in free mode
269 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
272 Fortran RejectNegative Joined UInteger
273 -finit-character=<n> Initialize local character variables to ASCII value n
276 Fortran RejectNegative Joined
277 -finit-integer=<n> Initialize local integer variables to n
281 Initialize local variables to zero (from g77)
284 Fortran RejectNegative Joined
285 -finit-logical=<true|false> Initialize local logical variables
288 Fortran RejectNegative Joined
289 -finit-real=<zero|nan|inf|-inf> Initialize local real variables
291 fmax-array-constructor=
292 Fortran RejectNegative Joined UInteger
293 -fmax-array-constructor=<n> Maximum number of objects in an array constructor
296 Fortran RejectNegative Joined UInteger
297 -fmax-errors=<n> Maximum number of errors to report
299 fmax-identifier-length=
300 Fortran RejectNegative Joined UInteger
301 -fmax-identifier-length=<n> Maximum identifier length
303 fmax-subrecord-length=
304 Fortran RejectNegative Joined UInteger
305 -fmax-subrecord-length=<n> Maximum length for subrecords
308 Fortran RejectNegative Joined UInteger
309 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
313 Set default accessibility of module entities to PRIVATE.
321 Try to lay out derived types as compactly as possible
329 Enable range checking during compilation
332 Fortran RejectNegative
333 Use a 4-byte record marker for unformatted files
336 Fortran RejectNegative
337 Use an 8-byte record marker for unformatted files
341 Allocate local variables on the stack to allow indirect recursion
345 Copy array sections into a contiguous block on procedure entry
348 Fortran RejectNegative JoinedOrMissing
349 -fcheck=[...] Specify which runtime checks are to be performed
353 Append a second underscore if the name already contains an underscore
361 Apply negative sign to zero values
365 Append underscores to externally visible names
369 Compile all program units at once and check all interfaces
376 Fortran Joined Separate
380 Fortran Joined Separate
384 Fortran Joined Separate
388 Fortran Joined Separate
392 Fortran Joined Separate
396 Fortran Joined Separate
404 Fortran Joined Separate
405 ; Documented in common.opt
409 Statically link the GNU Fortran helper library (libgfortran)
413 Conform to the ISO Fortran 2003 standard
417 Conform to the ISO Fortran 2008 standard
421 Conform to the ISO Fortran 95 standard
425 Conform to nothing in particular
429 Accept extensions to support legacy code
439 ; This comment is to ensure we retain the blank line above.