ghc/docs/users_guide/flags.sgml

   1   <sect1 id="flag-reference">
   2     <title>Flag reference</title>
   3
   4     <para>This section is a quick-reference for GHC's command-line
   5     flags.  For each flag, we also list its static/dynamic status (see
   6     <xref linkend="static-dynamic-flags">), and the flag's opposite
   7     (if available).</para>
   8
   9     <sect2>
  10       <title>Help and verbosity options (<xref linkend="options-help">)</title>
  11
  12       <informaltable>
  13         <tgroup cols=3 align=left colsep=1 rowsep=1>
  14           <thead>
  15             <row>
  16               <entry>Flag</entry>
  17               <entry>Description</entry>
  18               <entry>Static/Dynamic</entry>
  19               <entry>Reverse</entry>
  20             </row>
  21           </thead>
  22           <tbody>
  23             <row>
  24               <entry><option>-?</option></entry>
  25               <entry>help</entry>
  26               <entry>static</entry>
  27               <entry>-</entry>
  28             </row>
  29             <row>
  30               <entry><option>-help</option></entry>
  31               <entry>help</entry>
  32               <entry>static</entry>
  33               <entry>-</entry>
  34             </row>
  35             <row>
  36               <entry><option>-v</option></entry>
  37               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  38               <entry>dynamic</entry>
  39               <entry>-</entry>
  40             </row>
  41             <row>
  42               <entry><option>-v</option><replaceable>n</replaceable></entry>
  43               <entry>set verbosity level</entry>
  44               <entry>dynamic</entry>
  45               <entry>-</entry>
  46             </row>
  47             <row>
  48               <entry><option>--version</option></entry>
  49               <entry>display GHC version</entry>
  50               <entry>static</entry>
  51               <entry>-</entry>
  52             </row>
  53             <row>
  54               <entry><option>--numeric-version</option></entry>
  55               <entry>display GHC version (numeric only)</entry>
  56               <entry>static</entry>
  57               <entry>-</entry>
  58             </row>
  59             <row>
  60               <entry><option>--print-libdir</option></entry>
  61               <entry>display GHC library directory</entry>
  62               <entry>static</entry>
  63               <entry>-</entry>
  64             </row>
  65           </tbody>
  66         </tgroup>
  67       </informaltable>
  68
  69     </sect2>
  70     <sect2>
  71       <title>Which phases to run (<xref linkend="options-order">)</title>
  72
  73       <informaltable>
  74         <tgroup cols=3 align=left colsep=1 rowsep=1>
  75           <thead>
  76             <row>
  77               <entry>Flag</entry>
  78               <entry>Description</entry>
  79               <entry>Static/Dynamic</entry>
  80               <entry>Reverse</entry>
  81             </row>
  82           </thead>
  83           <tbody>
  84             <row>
  85               <entry><option>-E</option></entry>
  86               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
  87               <entry>static</entry>
  88               <entry>-</entry>
  89             </row>
  90             <row>
  91               <entry><option>-C</option></entry>
  92               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
  93               <entry>static</entry>
  94               <entry>-</entry>
  95             </row>
  96             <row>
  97               <entry><option>-S</option></entry>
  98               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
  99               <entry>static</entry>
 100               <entry>-</entry>
 101             </row>
 102             <row>
 103               <entry><option>-c</option></entry>
 104               <entry>Stop after compiling to object code (<literal>.o</literal> file)</entry>
 105               <entry>static</entry>
 106               <entry>-</entry>
 107             </row>
 108           </tbody>
 109         </tgroup>
 110       </informaltable>
 111     </sect2>
 112
 113     <sect2>
 114       <title>Redirecting output (<xref linkend="options-output">)</title>
 115
 116       <informaltable>
 117         <tgroup cols=3 align=left colsep=1 rowsep=1>
 118           <thead>
 119             <row>
 120               <entry>Flag</entry>
 121               <entry>Description</entry>
 122               <entry>Static/Dynamic</entry>
 123               <entry>Reverse</entry>
 124             </row>
 125           </thead>
 126           <tbody>
 127             <row>
 128               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 129               <entry>set the suffix to use for intermediate C files</entry>
 130               <entry>static</entry>
 131               <entry>-</entry>
 132             </row>
 133             <row>
 134               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 135               <entry>set directory for interface files</entry>
 136               <entry>static</entry>
 137               <entry>-</entry>
 138             </row>
 139             <row>
 140               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 141               <entry>set the suffix to use for interface files</entry>
 142               <entry>static</entry>
 143               <entry>-</entry>
 144             </row>
 145             <row>
 146               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 147               <entry>set output filename</entry>
 148               <entry>static</entry>
 149               <entry>-</entry>
 150             </row>
 151             <row>
 152               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 153               <entry>set output directory</entry>
 154               <entry>static</entry>
 155               <entry>-</entry>
 156             </row>
 157             <row>
 158               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 159               <entry>set the filename in which to put the interface</entry>
 160               <entry>static</entry>
 161               <entry></entry>
 162             </row>
 163             <row>
 164               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 165               <entry>set the output file suffix</entry>
 166               <entry>static</entry>
 167               <entry>-</entry>
 168             </row>
 169           </tbody>
 170         </tgroup>
 171       </informaltable>
 172     </sect2>
 173
 174     <sect2>
 175       <title>Keeping intermediate files (<xref linkend="keeping-intermediates">)</title>
 176
 177       <informaltable>
 178         <tgroup cols=3 align=left colsep=1 rowsep=1>
 179           <thead>
 180             <row>
 181               <entry>Flag</entry>
 182               <entry>Description</entry>
 183               <entry>Static/Dynamic</entry>
 184               <entry>Reverse</entry>
 185             </row>
 186           </thead>
 187           <tbody>
 188             <row>
 189               <entry><option>-keep-hc-file</option></entry>
 190               <entry>retain intermediate <literal>.hc</literal> files</entry>
 191               <entry>static</entry>
 192               <entry>-</entry>
 193             </row>
 194             <row>
 195               <entry><option>-keep-s-file</option></entry>
 196               <entry>retain intermediate <literal>.s</literal> files</entry>
 197               <entry>static</entry>
 198               <entry>-</entry>
 199             </row>
 200             <row>
 201               <entry><option>-keep-raw-s-file</option></entry>
 202               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 203               <entry>static</entry>
 204               <entry>-</entry>
 205             </row>
 206             <row>
 207               <entry><option>-keep-tmp-files</option></entry>
 208               <entry>retain all intermediate temporary files</entry>
 209               <entry>static</entry>
 210               <entry>-</entry>
 211             </row>
 212           </tbody>
 213         </tgroup>
 214       </informaltable>
 215     </sect2>
 216
 217     <sect2>
 218       <title>Temporary files (<xref linkend="temp-files">)</title>
 219
 220       <informaltable>
 221         <tgroup cols=3 align=left colsep=1 rowsep=1>
 222           <thead>
 223             <row>
 224               <entry>Flag</entry>
 225               <entry>Description</entry>
 226               <entry>Static/Dynamic</entry>
 227               <entry>Reverse</entry>
 228             </row>
 229           </thead>
 230           <tbody>
 231             <row>
 232               <entry><option>-tmpdir</option></entry>
 233               <entry>set the directory for temporary files</entry>
 234               <entry>static</entry>
 235               <entry>-</entry>
 236             </row>
 237           </tbody>
 238         </tgroup>
 239       </informaltable>
 240     </sect2>
 241
 242     <sect2>
 243       <title>Finding imports (<xref linkend="options-finding-imports">)</title>
 244
 245       <informaltable>
 246         <tgroup cols=3 align=left colsep=1 rowsep=1>
 247           <thead>
 248             <row>
 249               <entry>Flag</entry>
 250
 251               <entry>Description</entry>
 252               <entry>Static/Dynamic</entry>
 253               <entry>Reverse</entry>
 254             </row>
 255           </thead>
 256           <tbody>
 257             <row>
 258               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 259               <entry>add <replaceable>dir</replaceable>,
 260                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 261               <entry>static</entry>
 262               <entry>-</entry>
 263             </row>
 264             <row>
 265               <entry><option>-i</option></entry>
 266               <entry>Empty the import directory list</entry>
 267               <entry>static</entry>
 268               <entry>-</entry>
 269             </row>
 270           </tbody>
 271         </tgroup>
 272       </informaltable>
 273     </sect2>
 274
 275     <sect2>
 276       <title>Interface file options (<xref linkend="hi-options">)</title>
 277
 278       <informaltable>
 279         <tgroup cols=3 align=left colsep=1 rowsep=1>
 280           <thead>
 281             <row>
 282               <entry>Flag</entry>
 283
 284               <entry>Description</entry>
 285               <entry>Static/Dynamic</entry>
 286               <entry>Reverse</entry>
 287             </row>
 288           </thead>
 289           <tbody>
 290             <row>
 291               <entry><option>-ddump-hi</option></entry>
 292               <entry>Dump the new interface to stdout</entry>
 293               <entry>dynamic</entry>
 294               <entry>-</entry>
 295             </row>
 296             <row>
 297               <entry><option>-ddump-hi-diffs</option></entry>
 298               <entry>Show the differences vs. the old interface</entry>
 299               <entry>dynamic</entry>
 300               <entry>-</entry>
 301             </row>
 302           </tbody>
 303         </tgroup>
 304       </informaltable>
 305     </sect2>
 306
 307     <sect2>
 308       <title>Recompilation checking (<xref linkend="recomp">)</title>
 309
 310       <informaltable>
 311         <tgroup cols=3 align=left colsep=1 rowsep=1>
 312           <thead>
 313             <row>
 314               <entry>Flag</entry>
 315
 316               <entry>Description</entry>
 317               <entry>Static/Dynamic</entry>
 318               <entry>Reverse</entry>
 319             </row>
 320           </thead>
 321           <tbody>
 322             <row>
 323               <entry><option>-no-recomp</option></entry>
 324               <entry>Turn off recompilation checking</entry>
 325               <entry>static</entry>
 326               <entry><option>-recomp</option></entry>
 327             </row>
 328           </tbody>
 329         </tgroup>
 330       </informaltable>
 331     </sect2>
 332
 333     <sect2>
 334       <title>Interactive-mode options (<xref linkend="ghci-dot-files">)</title>
 335
 336       <informaltable>
 337         <tgroup cols=3 align=left colsep=1 rowsep=1>
 338           <thead>
 339             <row>
 340               <entry>Flag</entry>
 341               <entry>Description</entry>
 342               <entry>Static/Dynamic</entry>
 343               <entry>Reverse</entry>
 344             </row>
 345           </thead>
 346           <tbody>
 347             <row>
 348               <entry><option>-ignore-dot-ghci</option></entry>
 349               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 350               <entry>static</entry>
 351               <entry>-</entry>
 352             </row>
 353             <row>
 354               <entry><option>-read-dot-ghci</option></entry>
 355               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 356               <entry>static</entry>
 357               <entry>-</entry>
 358             </row>
 359           </tbody>
 360         </tgroup>
 361       </informaltable>
 362     </sect2>
 363
 364     <sect2>
 365       <title>Packages (<xref linkend="packages">)</title>
 366       <informaltable>
 367         <tgroup cols=3 align=left colsep=1 rowsep=1>
 368           <thead>
 369             <row>
 370               <entry>Flag</entry>
 371               <entry>Description</entry>
 372               <entry>Static/Dynamic</entry>
 373               <entry>Reverse</entry>
 374             </row>
 375           </thead>
 376           <tbody>
 377             <row>
 378               <entry><option>-package</option> <replaceable>name</replaceable></entry>
 379               <entry>Use package <replaceable>name</replaceable></entry>
 380               <entry>static</entry>
 381               <entry>-</entry>
 382             </row>
 383             <row>
 384               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 385               <entry>Load more packages from <replaceable>file</replaceable></entry>
 386               <entry>static</entry>
 387               <entry>-</entry>
 388             </row>
 389             <row>
 390               <entry><option>-package-name</option> <replaceable>name</replaceable></entry>
 391               <entry>Compile code for package <replaceable>name</replaceable></entry>
 392               <entry>static</entry>
 393               <entry>-</entry>
 394             </row>
 395           </tbody>
 396         </tgroup>
 397       </informaltable>
 398     </sect2>
 399
 400     <sect2>
 401       <title>Language options (<xref linkend="options-language">)</title>
 402
 403       <informaltable>
 404         <tgroup cols=3 align=left colsep=1 rowsep=1>
 405           <thead>
 406             <row>
 407               <entry>Flag</entry>
 408               <entry>Description</entry>
 409               <entry>Static/Dynamic</entry>
 410               <entry>Reverse</entry>
 411             </row>
 412           </thead>
 413           <tbody>
 414             <row>
 415               <entry><option>-fallow-overlapping-instances</option></entry>
 416               <entry></entry>
 417               <entry>dynamic</entry>
 418               <entry><option>-fno-allow-overlapping-instances</option></entry>
 419             </row>
 420             <row>
 421               <entry><option>-fallow-undecidable-instances</option></entry>
 422               <entry>Enable undecidable instances</entry>
 423               <entry>dynamic</entry>
 424               <entry><option>-fno-allow-undecidable-instances</option></entry>
 425             </row>
 426             <row>
 427               <entry><option>-fgenerics</option></entry>
 428               <entry>Enable generics</entry>
 429               <entry>dynamic</entry>
 430               <entry><option>-fno-fgenerics</option></entry>
 431             </row>
 432             <row>
 433               <entry><option>-fglasgow-exts</option></entry>
 434               <entry>Enable most language extensions</entry>
 435               <entry>dynamic</entry>
 436               <entry><option>-fno-glasgow-exts</option></entry>
 437             </row>
 438             <row>
 439               <entry><option>-fignore-asserts</option></entry>
 440               <entry>Ignore assertions</entry>
 441               <entry>dynamic</entry>
 442               <entry><option>-fno-ignore-asserts</option></entry>
 443             </row>
 444             <row>
 445               <entry><option>-fno-implicit-prelude</option></entry>
 446               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 447               <entry>dynamic</entry>
 448               <entry>-</entry>
 449             </row>
 450             <row>
 451               <entry><option>-fno-monomorphism-restriction</option></entry>
 452               <entry>Disable the monomorphism restriction</entry>
 453               <entry>dynamic</entry>
 454               <entry><option>-</option></entry>
 455             </row>
 456             <row>
 457               <entry><option>-firrefutable-tuples</option></entry>
 458               <entry>Make tuple pattern matching irrefutable</entry>
 459               <entry>dynamic</entry>
 460               <entry><option>-fno-irrefutable-tuples</option></entry>
 461             </row>
 462             <row>
 463               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
 464               <entry>set the limit for context reduction</entry>
 465               <entry>dynamic</entry>
 466               <entry><option>-</option></entry>
 467             </row>
 468           </tbody>
 469         </tgroup>
 470       </informaltable>
 471     </sect2>
 472
 473     <sect2>
 474       <title>Warnings (<xref linkend="options-sanity">)</title>
 475
 476     <informaltable>
 477       <tgroup cols=3 align=left colsep=1 rowsep=1>
 478         <thead>
 479           <row>
 480             <entry>Flag</entry>
 481             <entry>Description</entry>
 482             <entry>Static/Dynamic</entry>
 483             <entry>Reverse</entry>
 484           </row>
 485         </thead>
 486         <tbody>
 487           <row>
 488             <entry><option>-W</option></entry>
 489             <entry>enable normal warnings</entry>
 490             <entry>dynamic</entry>
 491             <entry><option>-w</option></entry>
 492           </row>
 493           <row>
 494             <entry><option>-w</option></entry>
 495             <entry>disable all warnings</entry>
 496             <entry>dynamic</entry>
 497             <entry>-</entry>
 498           </row>
 499           <row>
 500             <entry><option>-Wall</option></entry>
 501             <entry>enable all warnings</entry>
 502             <entry>dynamic</entry>
 503             <entry><option>-w</option></entry>
 504           </row>
 505
 506           <row>
 507             <entry><option>-fwarn-deprecations</option></entry>
 508             <entry>warn about uses of functions & types that are deprecated</entry>
 509             <entry>dynamic</entry>
 510             <entry><option>-fno-warn-deprecations</option></entry>
 511           </row>
 512
 513           <row>
 514             <entry><option>-fwarn-duplicate-exports</option></entry>
 515             <entry>warn when an entity is exported multiple times</entry>
 516             <entry>dynamic</entry>
 517             <entry><option>-fno-warn-duplicate-exports</option></entry>
 518           </row>
 519
 520           <row>
 521             <entry><option>-fwarn-hi-shadowing</option></entry>
 522             <entry>warn when a <literal>.hi</literal> file in the
 523             current directory shadows a library</entry>
 524             <entry>dynamic</entry>
 525             <entry><option>-fno-warn-hi-shadowing</option></entry>
 526           </row>
 527
 528           <row>
 529             <entry><option>-fwarn-incomplete-patterns</option></entry>
 530             <entry>warn when a pattern match could fail</entry>
 531             <entry>dynamic</entry>
 532             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 533           </row>
 534
 535           <row>
 536             <entry><option>-fwarn-misc</option></entry>
 537             <entry>enable miscellaneous warnings</entry>
 538             <entry>dynamic</entry>
 539             <entry><option>-fno-warn-misc</option></entry>
 540           </row>
 541
 542           <row>
 543             <entry><option>-fwarn-missing-fields</option></entry>
 544             <entry>warn when fields of a record are uninitialised</entry>
 545             <entry>dynamic</entry>
 546             <entry><option>-fno-warn-missing-fields</option></entry>
 547           </row>
 548
 549           <row>
 550             <entry><option>-fwarn-missing-methods</option></entry>
 551             <entry>warn when class methods are undefined</entry>
 552             <entry>dynamic</entry>
 553             <entry><option>-fno-warn-missing-methods</option></entry>
 554           </row>
 555
 556           <row>
 557             <entry><option>-fwarn-missing-signatures</option></entry>
 558             <entry>warn about top-level functions without signatures</entry>
 559             <entry>dynamic</entry>
 560             <entry><option>-fno-warn-missing-signatures</option></entry>
 561           </row>
 562
 563           <row>
 564             <entry><option>-fwarn-name-shadowing</option></entry>
 565             <entry>warn when names are shadowed</entry>
 566             <entry>dynamic</entry>
 567             <entry><option>-fno-warn-name-shadowing</option></entry>
 568           </row>
 569
 570           <row>
 571             <entry><option>-fwarn-overlapping-patterns</option></entry>
 572             <entry>warn about overlapping patterns</entry>
 573             <entry>dynamic</entry>
 574             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 575           </row>
 576
 577           <row>
 578             <entry><option>-fwarn-simple-patterns</option></entry>
 579             <entry>warn about lambda-patterns that can fail</entry>
 580             <entry>dynamic</entry>
 581             <entry><option>-fno-warn-simple-patterns</option></entry>
 582           </row>
 583
 584           <row>
 585             <entry><option>-fwarn-type-defaults</option></entry>
 586             <entry>warn when defaulting happens</entry>
 587             <entry>dynamic</entry>
 588             <entry><option>-fno-warn-type-defaults</option></entry>
 589           </row>
 590
 591           <row>
 592             <entry><option>-fwarn-unused-binds</option></entry>
 593             <entry>warn about bindings that are unused</entry>
 594             <entry>dynamic</entry>
 595             <entry><option>-fno-warn-unused-binds</option></entry>
 596           </row>
 597
 598           <row>
 599             <entry><option>-fwarn-unused-imports</option></entry>
 600             <entry>warn about unnecessary imports</entry>
 601             <entry>dynamic</entry>
 602             <entry><option>-fno-warn-unused-imports</option></entry>
 603           </row>
 604
 605           <row>
 606             <entry><option>-fwarn-unused-matches</option></entry>
 607             <entry>warn about variables in patterns that aren't used</entry>
 608             <entry>dynamic</entry>
 609             <entry><option>-fno-warn-unused-matches</option></entry>
 610           </row>
 611
 612           </tbody>
 613         </tgroup>
 614       </informaltable>
 615
 616     </sect2>
 617     <sect2>
 618       <title>Optimisation levels (<xref linkend="options-optimise">)</title>
 619
 620       <informaltable>
 621         <tgroup cols=3 align=left colsep=1 rowsep=1>
 622           <thead>
 623             <row>
 624               <entry>Flag</entry>
 625               <entry>Description</entry>
 626               <entry>Static/Dynamic</entry>
 627               <entry>Reverse</entry>
 628             </row>
 629           </thead>
 630           <tbody>
 631             <row>
 632               <entry><option>-O</option></entry>
 633               <entry>Enable default optimisation (level 1)</entry>
 634               <entry>static</entry>
 635               <entry><option>-O0</option></entry>
 636             </row>
 637             <row>
 638               <entry><option>-O</option><replaceable>n</replaceable></entry>
 639               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 640               <entry>static</entry>
 641               <entry><option>-O0</option></entry>
 642             </row>
 643             <row>
 644               <entry><option>-O2-for-C</option></entry>
 645               <entry>Run <command>gcc</command> with <option>-O2</option></entry>
 646               <entry>static</entry>
 647               <entry>-</entry>
 648             </row>
 649           </tbody>
 650         </tgroup>
 651       </informaltable>
 652
 653     </sect2>
 654     <sect2>
 655       <title>Individual optimisations (<xref linkend="options-f">)</title>
 656
 657       <informaltable>
 658         <tgroup cols=3 align=left colsep=1 rowsep=1>
 659           <thead>
 660             <row>
 661               <entry>Flag</entry>
 662               <entry>Description</entry>
 663               <entry>Static/Dynamic</entry>
 664               <entry>Reverse</entry>
 665             </row>
 666           </thead>
 667           <tbody>
 668             <row>
 669               <entry><option>-fall-strict</option></entry>
 670               <entry>Make everything strict</entry>
 671               <entry>dynamic</entry>
 672               <entry><option>-fno-all-strict</option></entry>
 673             </row>
 674
 675             <row>
 676               <entry><option>-fcase-merge</option></entry>
 677               <entry>Enable case-merging</entry>
 678               <entry>static</entry>
 679               <entry><option>-fno-case-merge</option></entry>
 680             </row>
 681
 682             <row>
 683               <entry><option>-fdicts-strict</option></entry>
 684               <entry>Make dictionaries strict</entry>
 685               <entry>dynamic</entry>
 686               <entry><option>-fno-dicts-strict</option></entry>
 687             </row>
 688
 689             <row>
 690               <entry><option>-fdo-eta-reduction</option></entry>
 691               <entry>Enable eta-reduction</entry>
 692               <entry>static</entry>
 693               <entry><option>-fno-do-eta-reduction</option></entry>
 694             </row>
 695
 696             <row>
 697               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 698               <entry>Enable lambda eta-reduction</entry>
 699               <entry>static</entry>
 700               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 701             </row>
 702
 703             <row>
 704               <entry><option>-fexcess-precision</option></entry>
 705               <entry>Enable excess intermediate precision</entry>
 706               <entry>static</entry>
 707               <entry><option>-fno-excess-precision</option></entry>
 708             </row>
 709
 710             <row>
 711               <entry><option>-ffoldr-build-on</option></entry>
 712               <entry>Enable foldr-build optimisation</entry>
 713               <entry>static</entry>
 714               <entry><option>-fno-foldr-build-on</option></entry>
 715             </row>
 716
 717             <row>
 718               <entry><option>-fignore-asserts</option></entry>
 719               <entry>Ignore assertions in the source</entry>
 720               <entry>static</entry>
 721               <entry><option>-fno-ignore-asserts</option></entry>
 722             </row>
 723
 724             <row>
 725               <entry><option>-fignore-interface-pragmas</option></entry>
 726               <entry>Ignore pragmas in interface files</entry>
 727               <entry>static</entry>
 728               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 729             </row>
 730
 731             <row>
 732               <entry><option>-flet-no-escape</option></entry>
 733               <entry>Enable let-no-escape optimisation</entry>
 734               <entry>static</entry>
 735               <entry><option>-fno-let-no-escape</option></entry>
 736             </row>
 737
 738             <row>
 739               <entry><option>-fliberate-case-threshold</option></entry>
 740               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 741               <entry>static</entry>
 742               <entry><option>-fno-liberate-case-threshold</option></entry>
 743             </row>
 744
 745             <row>
 746               <entry><option>-fomit-interface-pragmas</option></entry>
 747               <entry>Don't generate interface pragmas</entry>
 748               <entry>static</entry>
 749               <entry><option>-fno-omit-interface-pragmas</option></entry>
 750             </row>
 751
 752             <row>
 753               <entry><option>-fmax-worker-args</option></entry>
 754               <entry>If a worker has that many arguments, none will be
 755                 unpacked anymore (default: 10)</entry>
 756               <entry>static</entry>
 757               <entry>-</entry>
 758             </row>
 759
 760             <row>
 761               <entry><option>-fmax-simplifier-iterations</option></entry>
 762               <entry>Set the max iterations for the simplifier</entry>
 763               <entry>static</entry>
 764               <entry>-</entry>
 765             </row>
 766
 767             <row>
 768               <entry><option>-fno-cpr</option></entry>
 769               <entry>Turn off CPR analysis</entry>
 770               <entry>static</entry>
 771               <entry>-</entry>
 772             </row>
 773
 774             <row>
 775               <entry><option>-fno-cse</option></entry>
 776               <entry>Turn off common sub-expression</entry>
 777               <entry>static</entry>
 778               <entry>-</entry>
 779             </row>
 780
 781             <row>
 782               <entry><option>-fno-pre-inlining</option></entry>
 783               <entry>Turn off pre-inlining</entry>
 784               <entry>static</entry>
 785               <entry>-</entry>
 786             </row>
 787
 788             <row>
 789               <entry><option>-fno-strictness</option></entry>
 790               <entry>Turn off strictness analysis</entry>
 791               <entry>static</entry>
 792               <entry>-</entry>
 793             </row>
 794
 795             <row>
 796               <entry><option>-fnumbers-strict</option></entry>
 797               <entry>Make numbers strict</entry>
 798               <entry>dynamic</entry>
 799               <entry><option>-fno-numbers-strict</option></entry>
 800             </row>
 801
 802             <row>
 803               <entry><option>-funbox-strict-fields</option></entry>
 804               <entry>Flatten strict constructor fields</entry>
 805               <entry>static</entry>
 806               <entry><option>-fno-unbox-strict-fields</option></entry>
 807             </row>
 808
 809             <row>
 810               <entry><option>-funfolding-creation-threshold</option></entry>
 811               <entry>Tweak unfolding settings</entry>
 812               <entry>static</entry>
 813               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 814             </row>
 815
 816             <row>
 817               <entry><option>-funfolding-fun-discount</option></entry>
 818               <entry>Tweak unfolding settings</entry>
 819               <entry>static</entry>
 820               <entry><option>-fno-unfolding-fun-discount</option></entry>
 821             </row>
 822
 823             <row>
 824               <entry><option>-funfolding-keeness-factor</option></entry>
 825               <entry>Tweak unfolding settings</entry>
 826               <entry>static</entry>
 827               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 828             </row>
 829
 830             <row>
 831               <entry><option>-funfolding-update-in-place</option></entry>
 832               <entry>Tweak unfolding settings</entry>
 833               <entry>static</entry>
 834               <entry><option>-fno-unfolding-update-in-place</option></entry>
 835             </row>
 836
 837             <row>
 838               <entry><option>-funfolding-use-threshold</option></entry>
 839               <entry>Tweak unfolding settings</entry>
 840               <entry>static</entry>
 841               <entry><option>-fno-unfolding-use-threshold</option></entry>
 842             </row>
 843
 844             <row>
 845               <entry><option>-fusagesp</option></entry>
 846               <entry>Turn on UsageSP analysis</entry>
 847               <entry>static</entry>
 848               <entry><option>-fno-usagesp</option></entry>
 849             </row>
 850           </tbody>
 851         </tgroup>
 852       </informaltable>
 853     </sect2>
 854
 855     <sect2>
 856       <title>Profiling options (<xref linkend="profiling">)</title>
 857
 858       <informaltable>
 859         <tgroup cols=3 align=left colsep=1 rowsep=1>
 860           <thead>
 861             <row>
 862               <entry>Flag</entry>
 863               <entry>Description</entry>
 864               <entry>Static/Dynamic</entry>
 865               <entry>Reverse</entry>
 866             </row>
 867           </thead>
 868           <tbody>
 869             <row>
 870               <entry><option>-auto</option></entry>
 871               <entry>Auto-add <literal>_scc_</literal>s to all
 872               exported functions</entry>
 873               <entry>static</entry>
 874               <entry><option>-no-auto</option></entry>
 875             </row>
 876             <row>
 877               <entry><option>-auto-all</option></entry>
 878               <entry>Auto-add <literal>_scc_</literal>s to all
 879               top-level functions</entry>
 880               <entry>static</entry>
 881               <entry><option>-no-auto-all</option></entry>
 882             </row>
 883             <row>
 884               <entry><option>-auto-dicts</option></entry>
 885               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
 886               <entry>static</entry>
 887               <entry><option>-no-auto-dicts</option></entry>
 888             </row>
 889             <row>
 890               <entry><option>-caf-all</option></entry>
 891               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
 892               <entry>static</entry>
 893               <entry><option>-no-caf-all</option></entry>
 894             </row>
 895             <row>
 896               <entry><option>-prof</option></entry>
 897               <entry>Turn on profiling</entry>
 898               <entry>static</entry>
 899               <entry>-</entry>
 900             </row>
 901             <row>
 902               <entry><option>-ticky</option></entry>
 903               <entry>Turn on ticky-ticky profiling</entry>
 904               <entry>static</entry>
 905               <entry>-</entry>
 906             </row>
 907           </tbody>
 908         </tgroup>
 909       </informaltable>
 910     </sect2>
 911
 912     <sect2>
 913       <title>Parallelism options (<xref linkend="sec-using-parallel">)</title>
 914
 915       <informaltable>
 916         <tgroup cols=3 align=left colsep=1 rowsep=1>
 917           <thead>
 918             <row>
 919               <entry>Flag</entry>
 920               <entry>Description</entry>
 921               <entry>Static/Dynamic</entry>
 922               <entry>Reverse</entry>
 923             </row>
 924           </thead>
 925           <tbody>
 926             <row>
 927               <entry><option>-gransim</option></entry>
 928               <entry>Enable GRANSIM</entry>
 929               <entry>static</entry>
 930               <entry>-</entry>
 931             </row>
 932             <row>
 933               <entry><option>-parallel</option></entry>
 934               <entry>Enable Parallel Haskell</entry>
 935               <entry>static</entry>
 936               <entry>-</entry>
 937             </row>
 938             <row>
 939               <entry><option>-smp</option></entry>
 940               <entry>Enable SMP support</entry>
 941               <entry>static</entry>
 942               <entry>-</entry>
 943             </row>
 944           </tbody>
 945         </tgroup>
 946       </informaltable>
 947     </sect2>
 948
 949     <sect2>
 950       <title>C pre-processor options (<xref linkend="c-pre-processor">)</title>
 951
 952       <informaltable>
 953         <tgroup cols=3 align=left colsep=1 rowsep=1>
 954           <thead>
 955             <row>
 956               <entry>Flag</entry>
 957               <entry>Description</entry>
 958               <entry>Static/Dynamic</entry>
 959               <entry>Reverse</entry>
 960             </row>
 961           </thead>
 962           <tbody>
 963             <row>
 964               <entry><option>-cpp</option></entry>
 965               <entry>Run the C pre-processor on Haskell source files</entry>
 966               <entry>dynamic</entry>
 967               <entry>-</entry>
 968             </row>
 969             <row>
 970               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
 971               <entry>Define a symbol in the C pre-processor</entry>
 972               <entry>dynamic</entry>
 973               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
 974             </row>
 975             <row>
 976               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
 977               <entry>Undefine a symbol in the C pre-processor</entry>
 978               <entry>dynamic</entry>
 979               <entry>-</entry>
 980             </row>
 981             <row>
 982               <entry><option>-I</option><replaceable>dir</replaceable></entry>
 983               <entry>Add <replaceable>dir</replaceable> to the
 984               directory search list for <literal>#include</literal> files</entry>
 985               <entry>static</entry>
 986               <entry>-</entry>
 987             </row>
 988           </tbody>
 989         </tgroup>
 990       </informaltable>
 991     </sect2>
 992
 993     <sect2>
 994       <title>C compiler options (<xref linkend="options-C-compiler">)</title>
 995       <informaltable>
 996         <tgroup cols=3 align=left colsep=1 rowsep=1>
 997           <thead>
 998             <row>
 999               <entry>Flag</entry>
1000               <entry>Description</entry>
1001               <entry>Static/Dynamic</entry>
1002               <entry>Reverse</entry>
1003             </row>
1004           </thead>
1005           <tbody>
1006             <row>
1007               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1008               <entry>Include <replaceable>file</replaceable> when
1009               compiling the <filename>.hc</filename> file</entry>
1010               <entry>dynamic</entry>
1011               <entry>-</entry>
1012             </row>
1013           </tbody>
1014         </tgroup>
1015       </informaltable>
1016     </sect2>
1017
1018     <sect2>
1019       <title>Code generation options (<xref linkend="options-codegen">)</title>
1020
1021       <informaltable>
1022         <tgroup cols=3 align=left colsep=1 rowsep=1>
1023           <thead>
1024             <row>
1025               <entry>Flag</entry>
1026               <entry>Description</entry>
1027               <entry>Static/Dynamic</entry>
1028               <entry>Reverse</entry>
1029             </row>
1030           </thead>
1031           <tbody>
1032             <row>
1033               <entry><option>-fasm</option></entry>
1034               <entry>Use the native code generator</entry>
1035               <entry>dynamic</entry>
1036               <entry>-fvia-C</entry>
1037             </row>
1038             <row>
1039               <entry><option>-fvia-C</option></entry>
1040               <entry>Compile via C</entry>
1041               <entry>dynamic</entry>
1042               <entry>-fasm</entry>
1043             </row>
1044             <row>
1045               <entry><option>-fno-code</option></entry>
1046               <entry>Omit code generation</entry>
1047               <entry>static</entry>
1048               <entry>-</entry>
1049             </row>
1050           </tbody>
1051         </tgroup>
1052       </informaltable>
1053     </sect2>
1054
1055     <sect2>
1056       <title>Linking options (<xref linkend="options-linker">)</title>
1057
1058       <informaltable>
1059         <tgroup cols=3 align=left colsep=1 rowsep=1>
1060           <thead>
1061             <row>
1062               <entry>Flag</entry>
1063               <entry>Description</entry>
1064               <entry>Static/Dynamic</entry>
1065               <entry>Reverse</entry>
1066             </row>
1067           </thead>
1068           <tbody>
1069             <row>
1070               <entry><option>-dynamic</option></entry>
1071               <entry>Use dynamic Haskell libraries (if available)</entry>
1072               <entry>static</entry>
1073               <entry>-</entry>
1074             </row>
1075             <row>
1076               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1077               <entry>Link in library <replaceable>lib</replaceable></entry>
1078               <entry>static</entry>
1079               <entry>-</entry>
1080             </row>
1081             <row>
1082               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1083               <entry>Add <replaceable>dir</replaceable> to the list of
1084               directories searched for libraries</entry>
1085               <entry>static</entry>
1086               <entry>-</entry>
1087             </row>
1088             <row>
1089               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1090               <entry>Link in package <replaceable>name</replaceable></entry>
1091               <entry>static</entry>
1092               <entry>-</entry>
1093             </row>
1094             <row>
1095               <entry><option>-split-objs</option></entry>
1096               <entry>Split objects (for libraries)</entry>
1097               <entry>static</entry>
1098               <entry>-</entry>
1099             </row>
1100             <row>
1101               <entry><option>-static</option></entry>
1102               <entry>Use static Haskell libraries</entry>
1103               <entry>static</entry>
1104               <entry>-</entry>
1105             </row>
1106             <row>
1107               <entry><option>-no-hs-main</option></entry>
1108               <entry>Don't asssume this program contains <literal>main</literal></entry>
1109               <entry>static</entry>
1110               <entry>-</entry>
1111             </row>
1112           </tbody>
1113         </tgroup>
1114       </informaltable>
1115     </sect2>
1116
1117     <sect2>
1118       <title>Replacing phases (<xref linkend="replacing-phases">)</title>
1119
1120       <informaltable>
1121         <tgroup cols=3 align=left colsep=1 rowsep=1>
1122           <thead>
1123             <row>
1124               <entry>Flag</entry>
1125               <entry>Description</entry>
1126               <entry>Static/Dynamic</entry>
1127               <entry>Reverse</entry>
1128             </row>
1129           </thead>
1130           <tbody>
1131             <row>
1132               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1133               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1134               <entry>static</entry>
1135               <entry>-</entry>
1136             </row>
1137             <row>
1138               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1139               <entry>Use <replaceable>cmd</replaceable> as the C
1140               pre-processor (with <option>-cpp</option> only)</entry>
1141               <entry>static</entry> <entry>-</entry>
1142             </row>
1143             <row>
1144               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1145               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1146               <entry>static</entry>
1147               <entry>-</entry>
1148             </row>
1149             <row>
1150               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1151               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1152               <entry>static</entry>
1153               <entry>-</entry>
1154             </row>
1155             <row>
1156               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1157               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1158               <entry>static</entry>
1159               <entry>-</entry>
1160             </row>
1161             <row>
1162               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1163               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1164               <entry>static</entry>
1165               <entry>-</entry>
1166             </row>
1167             <row>
1168               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1169               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1170               <entry>static</entry>
1171               <entry>-</entry>
1172             </row>
1173             <row>
1174               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1175               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1176               (with <option>-F</option> only)</entry>
1177               <entry>static</entry>
1178               <entry>-</entry>
1179             </row>
1180           </tbody>
1181         </tgroup>
1182       </informaltable>
1183       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1184       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1185       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1186       <indexterm><primary><option>-pgma</option></primary></indexterm>
1187       <indexterm><primary><option>-pgml</option></primary></indexterm>
1188       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1189       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1190       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1191
1192     </sect2>
1193
1194     <sect2>
1195       <title>Forcing options to particular phases (<xref linkend="forcing-options-through">)</title>
1196
1197       <informaltable>
1198         <tgroup cols=3 align=left colsep=1 rowsep=1>
1199           <thead>
1200             <row>
1201               <entry>Flag</entry>
1202               <entry>Description</entry>
1203               <entry>Static/Dynamic</entry>
1204               <entry>Reverse</entry>
1205             </row>
1206           </thead>
1207           <tbody>
1208             <row>
1209               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1210               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1211               <entry>dynamic</entry>
1212               <entry>-</entry>
1213             </row>
1214             <row>
1215               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1216               <entry>pass <replaceable>option</replaceable> to cpp (with
1217               <option>-cpp</option> only)</entry>
1218               <entry>dynamic</entry>
1219               <entry>-</entry>
1220             </row>
1221             <row>
1222               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1223               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1224               <entry>dynamic</entry>
1225               <entry>-</entry>
1226             </row>
1227             <row>
1228               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1229               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1230               <entry>dynamic</entry>
1231               <entry>-</entry>
1232             </row>
1233             <row>
1234               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1235               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1236               <entry>static</entry>
1237               <entry>-</entry>
1238             </row>
1239             <row>
1240               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1241               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1242               <entry>static</entry>
1243               <entry>-</entry>
1244             </row>
1245             <row>
1246               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1247               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1248               <entry>static</entry>
1249               <entry>-</entry>
1250             </row>
1251           </tbody>
1252         </tgroup>
1253       </informaltable>
1254     </sect2>
1255
1256     <sect2>
1257       <title>Platform-specific options (<xref linkend="options-platform">)</title>
1258
1259       <informaltable>
1260         <tgroup cols=3 align=left colsep=1 rowsep=1>
1261           <thead>
1262             <row>
1263               <entry>Flag</entry>
1264               <entry>Description</entry>
1265               <entry>Static/Dynamic</entry>
1266               <entry>Reverse</entry>
1267             </row>
1268           </thead>
1269           <tbody>
1270             <row>
1271               <entry><option>-mv8</option></entry>
1272               <entry>(SPARC only) enable version 8 support</entry>
1273               <entry>static</entry>
1274               <entry>-</entry>
1275             </row>
1276             <row>
1277               <entry><option>-monly-[32]-regs</option></entry>
1278               <entry>(x86 only) give some registers back to the C compiler</entry>
1279               <entry>dynamic</entry>
1280               <entry>-</entry>
1281             </row>
1282           </tbody>
1283         </tgroup>
1284       </informaltable>
1285     </sect2>
1286
1287
1288     <sect2>
1289       <title>External core file options (<xref linkend="ext-core">)</title>
1290
1291       <informaltable>
1292         <tgroup cols=3 align=left colsep=1 rowsep=1>
1293           <thead>
1294             <row>
1295               <entry>Flag</entry>
1296               <entry>Description</entry>
1297               <entry>Static/Dynamic</entry>
1298               <entry>Reverse</entry>
1299             </row>
1300           </thead>
1301           <tbody>
1302             <row>
1303               <entry><option>-fext-core</option></entry>
1304               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1305               <entry>static</entry>
1306               <entry>-</entry>
1307             </row>
1308           </tbody>
1309         </tgroup>
1310       </informaltable>
1311     </sect2>
1312
1313
1314     <sect2>
1315       <title>Compiler debugging options (<xref linkend="options-debugging">)</title>
1316
1317       <informaltable>
1318         <tgroup cols=3 align=left colsep=1 rowsep=1>
1319           <thead>
1320             <row>
1321               <entry>Flag</entry>
1322               <entry>Description</entry>
1323               <entry>Static/Dynamic</entry>
1324               <entry>Reverse</entry>
1325             </row>
1326           </thead>
1327           <tbody>
1328             <row>
1329               <entry><option>-dcore-lint</option></entry>
1330               <entry>Turn on internal sanity checking</entry>
1331               <entry>dynamic</entry>
1332               <entry>-</entry>
1333             </row>
1334             <row>
1335               <entry><option>-ddump-absC</option></entry>
1336               <entry>Dump abstract C</entry>
1337               <entry>dynamic</entry>
1338               <entry>-</entry>
1339             </row>
1340             <row>
1341               <entry><option>-ddump-asm</option></entry>
1342               <entry>Dump assembly</entry>
1343               <entry>dynamic</entry>
1344               <entry>-</entry>
1345             </row>
1346             <row>
1347               <entry><option>-ddump-bcos</option></entry>
1348               <entry>Dump interpreter byte code</entry>
1349               <entry>dynamic</entry>
1350               <entry>-</entry>
1351             </row>
1352             <row>
1353               <entry><option>-ddump-cpranal</option></entry>
1354               <entry>Dump output from CPR analysis</entry>
1355               <entry>dynamic</entry>
1356               <entry>-</entry>
1357             </row>
1358             <row>
1359               <entry><option>-ddump-cse</option></entry>
1360               <entry>Dump CSE output</entry>
1361               <entry>dynamic</entry>
1362               <entry>-</entry>
1363             </row>
1364             <row>
1365               <entry><option>-ddump-deriv</option></entry>
1366               <entry>Dump deriving output</entry>
1367               <entry>dynamic</entry>
1368               <entry>-</entry>
1369             </row>
1370             <row>
1371               <entry><option>-ddump-ds</option></entry>
1372               <entry>Dump desugarer output</entry>
1373               <entry>dynamic</entry>
1374               <entry>-</entry>
1375             </row>
1376             <row>
1377               <entry><option>-ddump-flatC</option></entry>
1378               <entry>Dump &ldquo;flat&rdquo; C</entry>
1379               <entry>dynamic</entry>
1380               <entry>-</entry>
1381             </row>
1382             <row>
1383               <entry><option>-ddump-foreign</option></entry>
1384               <entry>Dump <literal>foreign export</literal> stubs</entry>
1385               <entry>dynamic</entry>
1386               <entry>-</entry>
1387             </row>
1388             <row>
1389               <entry><option>-ddump-inlinings</option></entry>
1390               <entry>Dump inlining info</entry>
1391               <entry>dynamic</entry>
1392               <entry>-</entry>
1393             </row>
1394             <row>
1395               <entry><option>-ddump-occur-anal</option></entry>
1396               <entry>Dump occurrence analysis output</entry>
1397               <entry>dynamic</entry>
1398               <entry>-</entry>
1399             </row>
1400             <row>
1401               <entry><option>-ddump-parsed</option></entry>
1402               <entry>Dump parse tree</entry>
1403               <entry>dynamic</entry>
1404               <entry>-</entry>
1405             </row>
1406             <row>
1407               <entry><option>-ddump-realC</option></entry>
1408               <entry>Dump &ldquo;real&rdquo; C</entry>
1409               <entry>dynamic</entry>
1410               <entry>-</entry>
1411             </row>
1412             <row>
1413               <entry><option>-ddump-rn</option></entry>
1414               <entry>Dump renamer output</entry>
1415               <entry>dynamic</entry>
1416               <entry>-</entry>
1417             </row>
1418             <row>
1419               <entry><option>-ddump-rules</option></entry>
1420               <entry>Dump rules</entry>
1421               <entry>dynamic</entry>
1422               <entry>-</entry>
1423             </row>
1424             <row>
1425               <entry><option>-ddump-sat</option></entry>
1426               <entry>Dump saturated output</entry>
1427               <entry>dynamic</entry>
1428               <entry>-</entry>
1429             </row>
1430             <row>
1431               <entry><option>-ddump-simpl</option></entry>
1432               <entry>Dump final simplifier output</entry>
1433               <entry>dynamic</entry>
1434               <entry>-</entry>
1435             </row>
1436             <row>
1437               <entry><option>-ddump-simpl-iterations</option></entry>
1438               <entry>Dump output from each simplifier iteration</entry>
1439               <entry>dynamic</entry>
1440               <entry>-</entry>
1441             </row>
1442             <row>
1443               <entry><option>-ddump-spec</option></entry>
1444               <entry>Dump specialiser output</entry>
1445               <entry>dynamic</entry>
1446               <entry>-</entry>
1447             </row>
1448             <row>
1449               <entry><option>-ddump-stg</option></entry>
1450               <entry>Dump final STG</entry>
1451               <entry>dynamic</entry>
1452               <entry>-</entry>
1453             </row>
1454             <row>
1455               <entry><option>-ddump-stranal</option></entry>
1456               <entry>Dump strictness analyser output</entry>
1457               <entry>dynamic</entry>
1458               <entry>-</entry>
1459             </row>
1460             <row>
1461               <entry><option>-ddump-tc</option></entry>
1462               <entry>Dump typechecker output</entry>
1463               <entry>dynamic</entry>
1464               <entry>-</entry>
1465             </row>
1466             <row>
1467               <entry><option>-ddump-types</option></entry>
1468               <entry>Dump type signatures</entry>
1469               <entry>dynamic</entry>
1470               <entry>-</entry>
1471             </row>
1472             <row>
1473               <entry><option>-ddump-usagesp</option></entry>
1474               <entry>Dump UsageSP analysis output</entry>
1475               <entry>dynamic</entry>
1476               <entry>-</entry>
1477             </row>
1478             <row>
1479               <entry><option>-ddump-worker-wrapper</option></entry>
1480               <entry>Dump worker-wrapper output</entry>
1481               <entry>dynamic</entry>
1482               <entry>-</entry>
1483             </row>
1484             <row>
1485               <entry><option>-ddump-rn-trace</option></entry>
1486               <entry>Trace renamer</entry>
1487               <entry>dynamic</entry>
1488               <entry>-</entry>
1489             </row>
1490             <row>
1491               <entry><option>-ddump-rn-stats</option></entry>
1492               <entry>Renamer stats</entry>
1493               <entry>dynamic</entry>
1494               <entry>-</entry>
1495             </row>
1496             <row>
1497               <entry><option>-ddump-stix</option></entry>
1498               <entry>Native code generator intermediate form</entry>
1499               <entry>dynamic</entry>
1500               <entry>-</entry>
1501             </row>
1502             <row>
1503               <entry><option>-ddump-simpl-stats</option></entry>
1504               <entry>Dump simplifier stats</entry>
1505               <entry>dynamic</entry>
1506               <entry>-</entry>
1507             </row>
1508             <row>
1509               <entry><option>-dppr-debug</option></entry>
1510               <entry>Turn on debug printing (more verbose)</entry>
1511               <entry>static</entry>
1512               <entry>-</entry>
1513             </row>
1514             <row>
1515               <entry><option>-dppr-noprags</option></entry>
1516               <entry>Don't output pragma info in dumps</entry>
1517               <entry>static</entry>
1518               <entry>-</entry>
1519             </row>
1520             <row>
1521               <entry><option>-dppr-user-length</option></entry>
1522               <entry>Set the depth for printing expressions in error msgs</entry>
1523               <entry>static</entry>
1524               <entry>-</entry>
1525             </row>
1526             <row>
1527               <entry><option>-dsource-stats</option></entry>
1528               <entry>Dump haskell source stats</entry>
1529               <entry>dynamic</entry>
1530               <entry>-</entry>
1531             </row>
1532             <row>
1533               <entry><option>-dstg-lint</option></entry>
1534               <entry>STG pass sanity checking</entry>
1535               <entry>dynamic</entry>
1536               <entry>-</entry>
1537             </row>
1538             <row>
1539               <entry><option>-dstg-stats</option></entry>
1540               <entry>Dump STG stats</entry>
1541               <entry>dynamic</entry>
1542               <entry>-</entry>
1543             </row>
1544             <row>
1545               <entry><option>-dusagesp-lint</option></entry>
1546               <entry>UsageSP sanity checker</entry>
1547               <entry>dynamic</entry>
1548               <entry>-</entry>
1549             </row>
1550             <row>
1551               <entry><option>-dverbose-core2core</option></entry>
1552               <entry>Show output from each core-to-core pass</entry>
1553               <entry>dynamic</entry>
1554               <entry>-</entry>
1555             </row>
1556             <row>
1557               <entry><option>-dverbose-stg2stg</option></entry>
1558               <entry>Show output from each STG-to-STG pass</entry>
1559               <entry>dynamic</entry>
1560               <entry>-</entry>
1561             </row>
1562             <row>
1563               <entry><option>-unreg</option></entry>
1564               <entry>Enable unregisterised compilation</entry>
1565               <entry>static</entry>
1566               <entry>-</entry>
1567             </row>
1568           </tbody>
1569         </tgroup>
1570       </informaltable>
1571     </sect2>
1572
1573     <sect2>
1574       <title>Misc compiler options</title>
1575
1576       <informaltable>
1577         <tgroup cols=3 align=left colsep=1 rowsep=1>
1578           <thead>
1579             <row>
1580               <entry>Flag</entry>
1581               <entry>Description</entry>
1582               <entry>Static/Dynamic</entry>
1583               <entry>Reverse</entry>
1584             </row>
1585           </thead>
1586           <tbody>
1587             <row>
1588               <entry><option>-funfold-casms-in-hi-file</option></entry>
1589               <entry>Allow casms in unfoldings</entry>
1590               <entry>static</entry>
1591               <entry>-</entry>
1592             </row>
1593             <row>
1594               <entry><option>-femit-extern-decls</option></entry>
1595               <entry>???</entry>
1596               <entry>static</entry>
1597               <entry>-</entry>
1598             </row>
1599             <row>
1600               <entry><option>-fglobalise-toplev-names</option></entry>
1601               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1602               <entry>static</entry>
1603               <entry>-</entry>
1604             </row>
1605             <row>
1606               <entry><option>-fno-hi-version-check</option></entry>
1607               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1608               <entry>static</entry>
1609               <entry>-</entry>
1610             </row>
1611             <row>
1612               <entry><option>-dno-black-holing</option></entry>
1613               <entry>Turn off black holing (probably doesn't work)</entry>
1614               <entry>static</entry>
1615               <entry>-</entry>
1616             </row>
1617             <row>
1618               <entry><option>-fno-method-sharing</option></entry>
1619               <entry>Don't share specialisations of overloaded functions</entry>
1620               <entry>static</entry>
1621               <entry>-</entry>
1622             </row>
1623             <row>
1624               <entry><option>-fno-prune-decls</option></entry>
1625               <entry>Renamer: don't prune declarations</entry>
1626               <entry>static</entry>
1627               <entry>-</entry>
1628             </row>
1629             <row>
1630               <entry><option>-fno-prune-tydecls</option></entry>
1631               <entry>Renamer: don't prune type declarations</entry>
1632               <entry>static</entry>
1633               <entry>-</entry>
1634             </row>
1635             <row>
1636               <entry><option>-fhistory-size</option></entry>
1637               <entry>Set simplification history size</entry>
1638               <entry>static</entry>
1639               <entry>-</entry>
1640             </row>
1641             <row>
1642               <entry><option>-funregisterised</option></entry>
1643               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1644               <entry>static</entry>
1645               <entry>-</entry>
1646             </row>
1647             <row>
1648               <entry><option>-fno-asm-mangling</option></entry>
1649               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1650               <entry>static</entry>
1651               <entry>-</entry>
1652             </row>
1653           </tbody>
1654         </tgroup>
1655       </informaltable>
1656     </sect2>
1657   </sect1>
1658
1659
1660 <!--
1661 Still to document:
1662
1663 Misc:
1664   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1665   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1666
1667   -Bdir
1668 -->
1669
1670 <!-- Emacs stuff:
1671      ;;; Local Variables: ***
1672      ;;; mode: sgml ***
1673      ;;; sgml-parent-document: ("users_guide.sgml" "book" "chapter") ***
1674      ;;; End: ***
1675  -->