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 2, 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 COPYING. If not, write to the Free
18 ; Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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.
30 -I<directory> Add a directory for INCLUDE and MODULE searching
34 -J<directory> Put MODULE files in 'directory'
42 Warn about possible aliasing of dummy arguments
46 Warn about missing ampersand in continued character constants
50 Warn about truncated character expressions
54 Warn about implicit conversion
58 Warn about calls with implicit interface
62 Warn about truncated source lines
66 Warn about usage of non-standard intrinsics
70 Warn about \"suspicious\" constructs
74 Permit nonconforming uses of the tab character
78 Warn about underflow of numerical constant expressions
81 Fortran RejectNegative
82 All intrinsics procedures are available regardless of selected standard
84 fallow-leading-underscore
86 ; For internal use only: allow the first character of symbol names to be an underscore
90 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
94 Specify that backslash in string introduces an escape character
98 Produce a backtrace when a runtime error is encountered
101 Fortran RejectNegative Joined UInteger
102 -fblas-matmul-limit=<n> Size of the smallest matrix for which matmul will use BLAS
105 Fortran RejectNegative
106 Use big-endian format for unformatted files
108 fconvert=little-endian
109 Fortran RejectNegative
110 Use little-endian format for unformatted files
113 Fortran RejectNegative
114 Use native format for unformatted files
117 Fortran RejectNegative
118 Swap endianness for unformatted files
122 Use the Cray Pointer extension
125 Fortran RejectNegative
126 Ignore 'D' in column one in fixed form
129 Fortran RejectNegative
130 Treat lines with 'D' in column one as comments
134 Set the default double precision kind to an 8 byte wide type
138 Set the default integer kind to an 8 byte wide type
142 Set the default real kind to an 8 byte wide type
146 Allow dollar signs in entity names
150 Dump a core file when a runtime error occurs
154 Display the code tree after parsing
158 Specify that an external BLAS library should be used for matmul calls on large-size arrays
162 Use f2c calling convention
165 Fortran RejectNegative
166 Assume that the source file is fixed form
168 fintrinsic-modules-path
169 Fortran RejectNegative Joined Separate
170 Specify where to find the compiled intrinsic modules
172 ffixed-line-length-none
173 Fortran RejectNegative
174 Allow arbitrary character line width in fixed mode
177 Fortran RejectNegative Joined UInteger
178 -ffixed-line-length-<n> Use n as character line width in fixed mode
181 Fortran RejectNegative JoinedOrMissing
182 -ffpe-trap=[..] Stop on following floating point exceptions
185 Fortran RejectNegative
186 Assume that the source file is free form
188 ffree-line-length-none
189 Fortran RejectNegative
190 Allow arbitrary character line width in free mode
193 Fortran RejectNegative Joined UInteger
194 -ffree-line-length-<n> Use n as character line width in free mode
198 Specify that no implicit typing is allowed, unless overridden by explicit IMPLICIT statements
201 Fortran RejectNegative Joined UInteger
202 -fmax-errors=<n> Maximum number of errors to report
204 fmax-identifier-length=
205 Fortran RejectNegative Joined UInteger
206 -fmax-identifier-length=<n> Maximum identifier length
208 fmax-subrecord-length=
209 Fortran RejectNegative Joined UInteger
210 -fmax-subrecord-length=<n> Maximum length for subrecords
213 Fortran RejectNegative Joined UInteger
214 -fmax-stack-var-size=<n> Size in bytes of the largest array that will be put on the stack
222 Try to lay out derived types as compactly as possible
226 Treat the input file as preprocessed
230 Enable range checking during compilation
233 Fortran RejectNegative
234 Use a 4-byte record marker for unformatted files
237 Fortran RejectNegative
238 Use an 8-byte record marker for unformatted files
242 Copy array sections into a contiguous block on procedure entry
246 Append a second underscore if the name already contains an underscore
250 Use the narrowest integer type possible for enumeration types
254 Append underscores to externally visible names
258 Conform to the ISO Fortran 2003 standard
262 Conform to the ISO Fortran 95 standard
266 Conform to nothing in particular
270 Accept extensions to support legacy code
272 ; This comment is to ensure we retain the blank line above.