gcc/f/lang.opt

   1 ; Options for the Fortran 77 front end.
   2 ; Copyright (C) 2003 Free Software Foundation, Inc.
   3 ;
   4 ; This file is part of GCC.
   5 ;
   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
   9 ; version.
  10 ;
  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
  14 ; for more details.
  15 ;
  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, 59 Temple Place - Suite 330, Boston, MA
  19 ; 02111-1307, USA.
  20
  21 ; See c.opt for a description of this file's format.
  22
  23 ; Please try to keep this file in ASCII collating order.
  24
  25 Language
  26 F77
  27
  28 I
  29 F77 Joined
  30 Add a directory for INCLUDE searching
  31
  32 Wall
  33 F77
  34 ; Documented in C
  35
  36 Wcomment
  37 F77
  38
  39 Wcomments
  40 F77
  41
  42 Wglobals
  43 F77
  44 Enable warnings about inter-procedural problems
  45
  46 Wimplicit
  47 F77
  48
  49 Wimport
  50 F77
  51
  52 Wsurprising
  53 F77
  54 Warn about constructs with surprising meanings
  55
  56 Wtrigraphs
  57 F77
  58
  59 fautomatic
  60 F77
  61 Do not treat local variables and COMMON blocks as if they were named in SAVE statements
  62
  63 fbackslash
  64 F77
  65 Backslashes in character and hollerith constants are special (not C-style)
  66
  67 fbadu77-intrinsics-delete
  68 F77 RejectNegative
  69 Delete libU77 intrinsics with bad interfaces
  70
  71 fbadu77-intrinsics-disable
  72 F77 RejectNegative
  73 Disable libU77 intrinsics with bad interfaces
  74
  75 fbadu77-intrinsics-enable
  76 F77 RejectNegative
  77 Enable libU77 intrinsics with bad interfaces
  78
  79 fbadu77-intrinsics-hide
  80 F77 RejectNegative
  81 Hide libU77 intrinsics with bad interfaces
  82
  83 fcase-initcap
  84 F77 RejectNegative
  85 Program written in strict mixed-case
  86
  87 fcase-lower
  88 F77 RejectNegative
  89 Compile as if program written in lowercase
  90
  91 fcase-preserve
  92 F77 RejectNegative
  93 Preserve case used in program
  94
  95 fcase-strict-lower
  96 F77 RejectNegative
  97 Program written in lowercase
  98
  99 fcase-strict-upper
 100 F77 RejectNegative
 101 Program written in uppercase
 102
 103 fcase-upper
 104 F77 RejectNegative
 105 Compile as if program written in uppercase
 106
 107 fdebug-kludge
 108 F77
 109 Emit special debugging information for COMMON and EQUIVALENCE (disabled)
 110
 111 fdollar-ok
 112 F77
 113 Allow '$' in symbol names
 114
 115 femulate-complex
 116 F77
 117 Have front end emulate COMPLEX arithmetic to avoid bugs
 118
 119 ff2c
 120 F77
 121 f2c-compatible code can be generated
 122
 123 ff2c-intrinsics-delete
 124 F77 RejectNegative
 125 Delete non-FORTRAN-77 intrinsics f2c supports
 126
 127 ff2c-intrinsics-disable
 128 F77 RejectNegative
 129 Disable non-FORTRAN-77 intrinsics f2c supports
 130
 131 ff2c-intrinsics-enable
 132 F77 RejectNegative
 133 Enable non-FORTRAN-77 intrinsics f2c supports
 134
 135 ff2c-intrinsics-hide
 136 F77 RejectNegative
 137 Hide non-FORTRAN-77 intrinsics f2c supports
 138
 139 ff2c-library
 140 F77
 141 Unsupported; generate libf2c-calling code
 142
 143 ff66
 144 F77
 145 Program is written in typical FORTRAN 66 dialect
 146
 147 ff77
 148 F77
 149 Program is written in typical Unix-f77 dialect
 150
 151 ff90
 152 F77
 153 Program is written in Fortran-90-ish dialect
 154
 155 ff90-intrinsics-delete
 156 F77 RejectNegative
 157 Delete non-FORTRAN-77 intrinsics F90 supports
 158
 159 ff90-intrinsics-disable
 160 F77 RejectNegative
 161 Disable non-FORTRAN-77 intrinsics F90 supports
 162
 163 ff90-intrinsics-enable
 164 F77 RejectNegative
 165 Enable non-FORTRAN-77 intrinsics F90 supports
 166
 167 ff90-intrinsics-hide
 168 F77 RejectNegative
 169 Hide non-FORTRAN-77 intrinsics F90 supports
 170
 171 ff90-not-vxt
 172 F77 RejectNegative
 173
 174 ffixed-form
 175 F77
 176
 177 ffixed-line-length-
 178 F77 Joined
 179 ffixed-line-length-<number>     Set the maximum line length to <number>
 180
 181 fflatten-arrays
 182 F77
 183 Unsupported; affects code generation of arrays
 184
 185 ffortran-bounds-check
 186 F77
 187 Generate code to check subscript and substring bounds
 188
 189 ffree-form
 190 F77
 191 Program is written in Fortran-90-ish free form
 192
 193 fglobals
 194 F77
 195 Enable fatal diagnostics about inter-procedural problems
 196
 197 fgnu-intrinsics-delete
 198 F77 RejectNegative
 199 Delete non-FORTRAN-77 intrinsics g77 supports
 200
 201 fgnu-intrinsics-disable
 202 F77 RejectNegative
 203 Disable non-FORTRAN 77 intrinsics F90 supports
 204
 205 fgnu-intrinsics-enable
 206 F77 RejectNegative
 207 Enable non-FORTRAN 77 intrinsics F90 supports
 208
 209 fgnu-intrinsics-hide
 210 F77 RejectNegative
 211 Hide non-FORTRAN 77 intrinsics F90 supports
 212
 213 finit-local-zero
 214 F77
 215 Initialize local vars and arrays to zero
 216
 217 fintrin-case-any
 218 F77 RejectNegative
 219 Intrinsics letters in arbitrary cases
 220
 221 fintrin-case-initcap
 222 F77 RejectNegative
 223 Intrinsics spelled as e.g. SqRt
 224
 225 fintrin-case-lower
 226 F77 RejectNegative
 227 Intrinsics in lowercase
 228
 229 fintrin-case-upper
 230 F77 RejectNegative
 231 Intrinsics in uppercase
 232
 233 fmatch-case-any
 234 F77 RejectNegative
 235 Language keyword letters in arbitrary cases
 236
 237 fmatch-case-initcap
 238 F77 RejectNegative
 239 Language keywords spelled as e.g. IOStat
 240
 241 fmatch-case-lower
 242 F77 RejectNegative
 243 Language keywords in lowercase
 244
 245 fmatch-case-upper
 246 F77 RejectNegative
 247 Language keywords in uppercase
 248
 249 fmil-intrinsics-delete
 250 F77 RejectNegative
 251 Delete MIL-STD 1753 intrinsics
 252
 253 fmil-intrinsics-disable
 254 F77 RejectNegative
 255 Disable MIL-STD 1753 intrinsics
 256
 257 fmil-intrinsics-enable
 258 F77 RejectNegative
 259 Enable MIL-STD 1753 intrinsics
 260
 261 fmil-intrinsics-hide
 262 F77 RejectNegative
 263 Hide MIL-STD 1753 intrinsics
 264
 265 fonetrip
 266 F77
 267 Take at least one trip through each iterative DO loop
 268
 269 fpedantic
 270 F77
 271 Warn about use of (only a few for now) Fortran extensions
 272
 273 fpreprocessed
 274 F77
 275
 276 fsecond-underscore
 277 F77
 278 Allow appending a second underscore to externals
 279
 280 fsilent
 281 F77
 282 Do not print names of program units as they are compiled
 283
 284 fsource-case-lower
 285 F77 RejectNegative
 286 Internally convert most source to lowercase
 287
 288 fsource-case-preserve
 289 F77 RejectNegative
 290 Internally preserve source case
 291
 292 fsource-case-upper
 293 F77 RejectNegative
 294 Internally convert most source to uppercase
 295
 296 fsymbol-case-any
 297 F77 RejectNegative
 298
 299 fsymbol-case-initcap
 300 F77 RejectNegative
 301 Symbol names spelled in mixed case
 302
 303 fsymbol-case-lower
 304 F77 RejectNegative
 305 Symbol names in lowercase
 306
 307 fsymbol-case-upper
 308 F77 RejectNegative
 309 Symbol names in uppercase
 310
 311 ftypeless-boz
 312 F77
 313 Make prefix-radix non-decimal constants be typeless
 314
 315 fugly
 316 F77
 317 Allow all ugly features
 318
 319 fugly-args
 320 F77
 321 Hollerith and typeless can be passed as arguments
 322
 323 fugly-assign
 324 F77
 325 Allow ordinary copying of ASSIGN'ed vars
 326
 327 fugly-assumed
 328 F77
 329 Dummy array dimensioned to (1) is assumed-size
 330
 331 fugly-comma
 332 F77
 333 Trailing comma in procedure call denotes null argument
 334
 335 fugly-complex
 336 F77
 337 Allow REAL(Z) and AIMAG(Z) given DOUBLE COMPLEX Z
 338
 339 fugly-init
 340 F77
 341 Initialization via DATA and PARAMETER is not type-compatible
 342
 343 fugly-logint
 344 F77
 345 Allow INTEGER and LOGICAL interchangeability
 346
 347 funderscoring
 348 F77
 349 Append underscores to externals
 350
 351 funix-intrinsics-delete
 352 F77 RejectNegative
 353 Delete libU77 intrinsics
 354
 355 funix-intrinsics-disable
 356 F77 RejectNegative
 357 Disable libU77 intrinsics
 358
 359 funix-intrinsics-enable
 360 F77 RejectNegative
 361 Enable libU77 intrinsics
 362
 363 funix-intrinsics-hide
 364 F77 RejectNegative
 365 Hide libU77 intrinsics
 366
 367 fversion
 368 F77 RejectNegative
 369 Print g77-specific version information and run internal tests
 370
 371 fvxt
 372 F77
 373 Program is written in VXT (Digital-like) FORTRAN
 374
 375 fvxt-intrinsics-delete
 376 F77 RejectNegative
 377 Delete non-FORTRAN-77 intrinsics VXT FORTRAN supports
 378
 379 fvxt-intrinsics-disable
 380 F77 RejectNegative
 381 Disable non-FORTRAN-77 intrinsics VXT FORTRAN supports
 382
 383 fvxt-intrinsics-enable
 384 F77 RejectNegative
 385 Enable non-FORTRAN-77 intrinsics VXT FORTRAN supports
 386
 387 fvxt-intrinsics-hide
 388 F77 RejectNegative
 389 Hide non-FORTRAN-77 intrinsics VXT FORTRAN supports
 390
 391 fvxt-not-f90
 392 F77 RejectNegative
 393
 394 fxyzzy
 395 F77
 396 Print internal debugging-related information
 397
 398 fzeros
 399 F77
 400 Treat initial values of 0 like non-zero values
 401
 402 ; This comment is to ensure we retain the blank line above.