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
281 faggressive-function-elimination
283 Eliminate multiple function invokations also for impure functions
287 Enable alignment of COMMON blocks
290 Fortran RejectNegative
291 All intrinsics procedures are available regardless of selected standard
293 fallow-leading-underscore
295 ; For internal use only: allow the first character of symbol names to be an underscore
299 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
303 Specify that backslash in string introduces an escape character
307 Produce a backtrace when a runtime error is encountered
310 Fortran RejectNegative Joined UInteger
311 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
313 fcheck-array-temporaries
315 Produce a warning at runtime if a array temporary has been created for a procedure argument
318 Fortran RejectNegative
319 Use big-endian format for unformatted files
321 fconvert=little-endian
322 Fortran RejectNegative
323 Use little-endian format for unformatted files
326 Fortran RejectNegative
327 Use native format for unformatted files
330 Fortran RejectNegative
331 Swap endianness for unformatted files
335 Use the Cray Pointer extension
338 Fortran RejectNegative
339 Ignore 'D' in column one in fixed form
342 Fortran RejectNegative
343 Treat lines with 'D' in column one as comments
347 Set the default double precision kind to an 8 byte wide type
351 Set the default integer kind to an 8 byte wide type
355 Set the default real kind to an 8 byte wide type
359 Allow dollar signs in entity names
363 Dump a core file when a runtime error occurs
365 fdump-fortran-original
367 Display the code tree after parsing
369 fdump-fortran-optimized
371 Display the code tree after front end optimization
375 Display the code tree after parsing; deprecated option
379 Specify that an external BLAS library should be used for matmul calls on large-size arrays
383 Use f2c calling convention
386 Fortran RejectNegative
387 Assume that the source file is fixed form
389 fintrinsic-modules-path
390 Fortran RejectNegative Joined Separate
391 Specify where to find the compiled intrinsic modules
393 ffixed-line-length-none
394 Fortran RejectNegative
395 Allow arbitrary character line width in fixed mode
398 Fortran RejectNegative Joined UInteger
399 -ffixed-line-length-<n> Use n as character line width in fixed mode
402 Fortran RejectNegative JoinedOrMissing
403 -ffpe-trap=[...] Stop on following floating point exceptions
406 Fortran RejectNegative
407 Assume that the source file is free form
409 ffree-line-length-none
410 Fortran RejectNegative
411 Allow arbitrary character line width in free mode
414 Fortran RejectNegative Joined UInteger
415 -ffree-line-length-<n> Use n as character line width in free mode
419 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
422 Fortran RejectNegative Joined UInteger
423 -finit-character=<n> Initialize local character variables to ASCII value n
426 Fortran RejectNegative Joined
427 -finit-integer=<n> Initialize local integer variables to n
431 Initialize local variables to zero (from g77)
434 Fortran RejectNegative Joined
435 -finit-logical=<true|false> Initialize local logical variables
438 Fortran RejectNegative Joined
439 -finit-real=<zero|nan|inf|-inf> Initialize local real variables
441 fmax-array-constructor=
442 Fortran RejectNegative Joined UInteger
443 -fmax-array-constructor=<n> Maximum number of objects in an array constructor
445 fmax-identifier-length=
446 Fortran RejectNegative Joined UInteger
447 -fmax-identifier-length=<n> Maximum identifier length
449 fmax-subrecord-length=
450 Fortran RejectNegative Joined UInteger
451 -fmax-subrecord-length=<n> Maximum length for subrecords
454 Fortran RejectNegative Joined UInteger
455 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
459 Set default accessibility of module entities to PRIVATE.
467 Try to lay out derived types as compactly as possible
475 Protect parentheses in expressions
479 Enable range checking during compilation
483 Reallocate the LHS in assignments
486 Fortran RejectNegative
487 Use a 4-byte record marker for unformatted files
490 Fortran RejectNegative
491 Use an 8-byte record marker for unformatted files
495 Allocate local variables on the stack to allow indirect recursion
499 Copy array sections into a contiguous block on procedure entry
502 Fortran RejectNegative JoinedOrMissing
503 -fcoarray=[...] Specify which coarray parallelization should be used
506 Fortran RejectNegative JoinedOrMissing
507 -fcheck=[...] Specify which runtime checks are to be performed
511 Append a second underscore if the name already contains an underscore
514 Fortran Var(flag_short_enums)
519 Apply negative sign to zero values
523 Append underscores to externally visible names
527 Compile all program units at once and check all interfaces
534 Fortran Joined Separate
538 Fortran Joined Separate
542 Fortran Joined Separate
546 Fortran Joined Separate
550 Fortran Joined Separate
554 Fortran Joined Separate
562 Fortran Joined Separate
563 ; Documented in common.opt
567 Statically link the GNU Fortran helper library (libgfortran)
571 Conform to the ISO Fortran 2003 standard
575 Conform to the ISO Fortran 2008 standard
579 Conform to the ISO Fortran 95 standard
583 Conform to nothing in particular
587 Accept extensions to support legacy code
597 ; This comment is to ensure we retain the blank line above.