1 ; Options for the Fortran 95 front end.
2 ; Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
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.
32 Fortran Separate Alias(A)
35 Fortran Joined Alias(A)
44 Fortran Separate Alias(D)
47 Fortran Joined Alias(D)
53 Fortran Separate Alias(d)
56 Fortran Joined Alias(d)
62 Fortran Separate Alias(I)
65 Fortran Joined Alias(I)
67 -include-directory-after
68 Fortran Separate Alias(idirafter)
70 -include-directory-after=
71 Fortran Joined Alias(idirafter)
74 Fortran Separate Alias(iprefix)
77 Fortran JoinedOrMissing Alias(iprefix)
83 Fortran Alias(nostdinc)
86 Fortran Separate Alias(o)
89 Fortran Joined Alias(o)
92 Fortran Undocumented Alias(E)
94 -print-missing-file-dependencies
101 Fortran Separate Alias(U)
104 Fortran Joined Alias(U)
113 Fortran NoDriverArg Separate Alias(MD)
115 -write-user-dependencies
116 Fortran NoDriverArg Separate Alias(MMD)
119 Fortran Joined Separate
131 Fortran Joined Separate
142 Fortran Joined Separate
146 Fortran Joined Separate
147 -J<directory> Put MODULE files in 'directory'
154 Fortran Separate NoDriverArg
158 Fortran Joined Separate
170 Fortran Separate NoDriverArg
178 Fortran Joined Separate
182 Fortran Joined Separate
190 Fortran Joined Separate
199 Warn about possible aliasing of dummy arguments
203 Warn about alignment of COMMON blocks
207 Warn about missing ampersand in continued character constants
211 Warn about creation of array temporaries
213 Wcharacter-truncation
215 Warn about truncated character expressions
223 Warn about most implicit conversions
227 Warn about calls with implicit interface
231 Warn about called procedures not explicitly declared
235 Warn about truncated source lines
239 Warn on intrinsics not part of the selected standard
247 Warn about \"suspicious\" constructs
251 Permit nonconforming uses of the tab character
255 Warn about underflow of numerical constant expressions
259 Warn if a user-procedure has the same name as an intrinsic
261 Wunused-dummy-argument
263 Warn about unused dummy arguments.
266 Fortran Negative(nocpp)
270 Fortran Joined Negative(nocpp) Undocumented
271 ; Internal option generated by specs from -cpp.
274 Fortran Negative(cpp)
275 Disable preprocessing
279 ; Documented in common.opt
283 Enable alignment of COMMON blocks
286 Fortran RejectNegative
287 All intrinsics procedures are available regardless of selected standard
289 fallow-leading-underscore
291 ; For internal use only: allow the first character of symbol names to be an underscore
295 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
299 Specify that backslash in string introduces an escape character
303 Produce a backtrace when a runtime error is encountered
306 Fortran RejectNegative Joined UInteger
307 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
309 fcheck-array-temporaries
311 Produce a warning at runtime if a array temporary has been created for a procedure argument
314 Fortran RejectNegative
315 Use big-endian format for unformatted files
317 fconvert=little-endian
318 Fortran RejectNegative
319 Use little-endian format for unformatted files
322 Fortran RejectNegative
323 Use native format for unformatted files
326 Fortran RejectNegative
327 Swap endianness for unformatted files
331 Use the Cray Pointer extension
334 Fortran RejectNegative
335 Ignore 'D' in column one in fixed form
338 Fortran RejectNegative
339 Treat lines with 'D' in column one as comments
343 Set the default double precision kind to an 8 byte wide type
347 Set the default integer kind to an 8 byte wide type
351 Set the default real kind to an 8 byte wide type
355 Allow dollar signs in entity names
359 Dump a core file when a runtime error occurs
363 Display the code tree after parsing
367 Specify that an external BLAS library should be used for matmul calls on large-size arrays
371 Use f2c calling convention
374 Fortran RejectNegative
375 Assume that the source file is fixed form
377 fintrinsic-modules-path
378 Fortran RejectNegative Joined Separate
379 Specify where to find the compiled intrinsic modules
381 ffixed-line-length-none
382 Fortran RejectNegative
383 Allow arbitrary character line width in fixed mode
386 Fortran RejectNegative Joined UInteger
387 -ffixed-line-length-<n> Use n as character line width in fixed mode
390 Fortran RejectNegative JoinedOrMissing
391 -ffpe-trap=[...] Stop on following floating point exceptions
394 Fortran RejectNegative
395 Assume that the source file is free form
397 ffree-line-length-none
398 Fortran RejectNegative
399 Allow arbitrary character line width in free mode
402 Fortran RejectNegative Joined UInteger
403 -ffree-line-length-<n> Use n as character line width in free mode
407 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
410 Fortran RejectNegative Joined UInteger
411 -finit-character=<n> Initialize local character variables to ASCII value n
414 Fortran RejectNegative Joined
415 -finit-integer=<n> Initialize local integer variables to n
419 Initialize local variables to zero (from g77)
422 Fortran RejectNegative Joined
423 -finit-logical=<true|false> Initialize local logical variables
426 Fortran RejectNegative Joined
427 -finit-real=<zero|nan|inf|-inf> Initialize local real variables
429 fmax-array-constructor=
430 Fortran RejectNegative Joined UInteger
431 -fmax-array-constructor=<n> Maximum number of objects in an array constructor
434 Fortran RejectNegative Joined UInteger
435 -fmax-errors=<n> Maximum number of errors to report
437 fmax-identifier-length=
438 Fortran RejectNegative Joined UInteger
439 -fmax-identifier-length=<n> Maximum identifier length
441 fmax-subrecord-length=
442 Fortran RejectNegative Joined UInteger
443 -fmax-subrecord-length=<n> Maximum length for subrecords
446 Fortran RejectNegative Joined UInteger
447 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
451 Set default accessibility of module entities to PRIVATE.
459 Try to lay out derived types as compactly as possible
467 Protect parentheses in expressions
471 Enable range checking during compilation
474 Fortran RejectNegative
475 Use a 4-byte record marker for unformatted files
478 Fortran RejectNegative
479 Use an 8-byte record marker for unformatted files
483 Allocate local variables on the stack to allow indirect recursion
487 Copy array sections into a contiguous block on procedure entry
490 Fortran RejectNegative JoinedOrMissing
491 -fcoarray=[...] Specify which coarray parallelization should be used
494 Fortran RejectNegative JoinedOrMissing
495 -fcheck=[...] Specify which runtime checks are to be performed
499 Append a second underscore if the name already contains an underscore
502 Fortran Var(flag_short_enums) VarExists
507 Apply negative sign to zero values
511 Append underscores to externally visible names
515 Compile all program units at once and check all interfaces
522 Fortran Joined Separate
526 Fortran Joined Separate
530 Fortran Joined Separate
534 Fortran Joined Separate
538 Fortran Joined Separate
542 Fortran Joined Separate
550 Fortran Joined Separate
551 ; Documented in common.opt
555 Statically link the GNU Fortran helper library (libgfortran)
559 Conform to the ISO Fortran 2003 standard
563 Conform to the ISO Fortran 2008 standard
567 Conform to the ISO Fortran 95 standard
571 Conform to nothing in particular
575 Accept extensions to support legacy code
585 ; This comment is to ensure we retain the blank line above.