1 ; Options for the Fortran 95 front end.
2 ; Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
4 ; This file is part of GCC.
6 ; GCC is free software; you can redistribute it and/or modify it under
7 ; the terms of the GNU General Public License as published by the Free
8 ; Software Foundation; either version 3, or (at your option) any later
11 ; GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 ; WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 ; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 ; You should have received a copy of the GNU General Public License
17 ; along with GCC; see the file COPYING3. If not see
18 ; <http://www.gnu.org/licenses/>.
20 ; See the GCC internals manual for a description of this file's format.
22 ; Please try to keep this file in ASCII collating order.
29 -I<directory> Add a directory for INCLUDE and MODULE searching
33 -J<directory> Put MODULE files in 'directory'
41 Warn about possible aliasing of dummy arguments
45 Warn about missing ampersand in continued character constants
49 Warn about truncated character expressions
53 Warn about implicit conversion
57 Warn about calls with implicit interface
61 Warn about truncated source lines
65 Warn about usage of non-standard intrinsics
69 Warn about \"suspicious\" constructs
73 Permit nonconforming uses of the tab character
77 Warn about underflow of numerical constant expressions
80 Fortran RejectNegative
81 All intrinsics procedures are available regardless of selected standard
83 fallow-leading-underscore
85 ; For internal use only: allow the first character of symbol names to be an underscore
89 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
93 Specify that backslash in string introduces an escape character
97 Produce a backtrace when a runtime error is encountered
100 Fortran RejectNegative Joined UInteger
101 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
104 Fortran RejectNegative
105 Use big-endian format for unformatted files
107 fconvert=little-endian
108 Fortran RejectNegative
109 Use little-endian format for unformatted files
112 Fortran RejectNegative
113 Use native format for unformatted files
116 Fortran RejectNegative
117 Swap endianness for unformatted files
121 Use the Cray Pointer extension
124 Fortran RejectNegative
125 Ignore 'D' in column one in fixed form
128 Fortran RejectNegative
129 Treat lines with 'D' in column one as comments
133 Set the default double precision kind to an 8 byte wide type
137 Set the default integer kind to an 8 byte wide type
141 Set the default real kind to an 8 byte wide type
145 Allow dollar signs in entity names
149 Dump a core file when a runtime error occurs
153 Display the code tree after parsing
157 Specify that an external BLAS library should be used for matmul calls on large-size arrays
161 Use f2c calling convention
164 Fortran RejectNegative
165 Assume that the source file is fixed form
167 fintrinsic-modules-path
168 Fortran RejectNegative Joined Separate
169 Specify where to find the compiled intrinsic modules
171 ffixed-line-length-none
172 Fortran RejectNegative
173 Allow arbitrary character line width in fixed mode
176 Fortran RejectNegative Joined UInteger
177 -ffixed-line-length-<n> Use n as character line width in fixed mode
180 Fortran RejectNegative JoinedOrMissing
181 -ffpe-trap=[..] Stop on following floating point exceptions
184 Fortran RejectNegative
185 Assume that the source file is free form
187 ffree-line-length-none
188 Fortran RejectNegative
189 Allow arbitrary character line width in free mode
192 Fortran RejectNegative Joined UInteger
193 -ffree-line-length-<n> Use n as character line width in free mode
197 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
200 Fortran RejectNegative Joined UInteger
201 -fmax-errors=<n> Maximum number of errors to report
203 fmax-identifier-length=
204 Fortran RejectNegative Joined UInteger
205 -fmax-identifier-length=<n> Maximum identifier length
207 fmax-subrecord-length=
208 Fortran RejectNegative Joined UInteger
209 -fmax-subrecord-length=<n> Maximum length for subrecords
212 Fortran RejectNegative Joined UInteger
213 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
221 Try to lay out derived types as compactly as possible
225 Treat the input file as preprocessed
229 Enable range checking during compilation
232 Fortran RejectNegative
233 Use a 4-byte record marker for unformatted files
236 Fortran RejectNegative
237 Use an 8-byte record marker for unformatted files
241 Copy array sections into a contiguous block on procedure entry
245 Append a second underscore if the name already contains an underscore
249 Use the narrowest integer type possible for enumeration types
253 Apply negative sign to zero values
257 Append underscores to externally visible names
261 Statically link the GNU Fortran helper library (libgfortran)
265 Conform to the ISO Fortran 2003 standard
269 Conform to the ISO Fortran 95 standard
273 Conform to nothing in particular
277 Accept extensions to support legacy code
279 ; This comment is to ensure we retain the blank line above.