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>&ndash;&ndash;version</option></entry>
  49               <entry>display GHC version</entry>
  50               <entry>static</entry>
  51               <entry>-</entry>
  52             </row>
  53             <row>
  54               <entry><option>&ndash;&ndash;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>&ndash;&ndash;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             <row>
 303               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 304               <entry>Read the interface in
 305               <replaceable>file</replaceable> and dump it as text to
 306               <literal>stdout</literal>.</entry>
 307               <entry>static</entry>
 308               <entry>-</entry>
 309             </row>
 310           </tbody>
 311         </tgroup>
 312       </informaltable>
 313     </sect2>
 314
 315     <sect2>
 316       <title>Recompilation checking (<xref linkend="recomp">)</title>
 317
 318       <informaltable>
 319         <tgroup cols=3 align=left colsep=1 rowsep=1>
 320           <thead>
 321             <row>
 322               <entry>Flag</entry>
 323
 324               <entry>Description</entry>
 325               <entry>Static/Dynamic</entry>
 326               <entry>Reverse</entry>
 327             </row>
 328           </thead>
 329           <tbody>
 330             <row>
 331               <entry><option>-no-recomp</option></entry>
 332               <entry>Turn off recompilation checking</entry>
 333               <entry>static</entry>
 334               <entry><option>-recomp</option></entry>
 335             </row>
 336           </tbody>
 337         </tgroup>
 338       </informaltable>
 339     </sect2>
 340
 341     <sect2>
 342       <title>Interactive-mode options (<xref linkend="ghci-dot-files">)</title>
 343
 344       <informaltable>
 345         <tgroup cols=3 align=left colsep=1 rowsep=1>
 346           <thead>
 347             <row>
 348               <entry>Flag</entry>
 349               <entry>Description</entry>
 350               <entry>Static/Dynamic</entry>
 351               <entry>Reverse</entry>
 352             </row>
 353           </thead>
 354           <tbody>
 355             <row>
 356               <entry><option>-ignore-dot-ghci</option></entry>
 357               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 358               <entry>static</entry>
 359               <entry>-</entry>
 360             </row>
 361             <row>
 362               <entry><option>-read-dot-ghci</option></entry>
 363               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 364               <entry>static</entry>
 365               <entry>-</entry>
 366             </row>
 367           </tbody>
 368         </tgroup>
 369       </informaltable>
 370     </sect2>
 371
 372     <sect2>
 373       <title>Packages (<xref linkend="packages">)</title>
 374       <informaltable>
 375         <tgroup cols=3 align=left colsep=1 rowsep=1>
 376           <thead>
 377             <row>
 378               <entry>Flag</entry>
 379               <entry>Description</entry>
 380               <entry>Static/Dynamic</entry>
 381               <entry>Reverse</entry>
 382             </row>
 383           </thead>
 384           <tbody>
 385             <row>
 386               <entry><option>-package</option> <replaceable>name</replaceable></entry>
 387               <entry>Use package <replaceable>name</replaceable></entry>
 388               <entry>static</entry>
 389               <entry>-</entry>
 390             </row>
 391             <row>
 392               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 393               <entry>Load more packages from <replaceable>file</replaceable></entry>
 394               <entry>static</entry>
 395               <entry>-</entry>
 396             </row>
 397             <row>
 398               <entry><option>-package-name</option> <replaceable>name</replaceable></entry>
 399               <entry>Compile code for package <replaceable>name</replaceable></entry>
 400               <entry>static</entry>
 401               <entry>-</entry>
 402             </row>
 403           </tbody>
 404         </tgroup>
 405       </informaltable>
 406     </sect2>
 407
 408     <sect2>
 409       <title>Language options (<xref linkend="options-language">)</title>
 410
 411       <informaltable>
 412         <tgroup cols=3 align=left colsep=1 rowsep=1>
 413           <thead>
 414             <row>
 415               <entry>Flag</entry>
 416               <entry>Description</entry>
 417               <entry>Static/Dynamic</entry>
 418               <entry>Reverse</entry>
 419             </row>
 420           </thead>
 421           <tbody>
 422             <row>
 423               <entry><option>-fallow-overlapping-instances</option></entry>
 424               <entry></entry>
 425               <entry>dynamic</entry>
 426               <entry><option>-fno-allow-overlapping-instances</option></entry>
 427             </row>
 428             <row>
 429               <entry><option>-fallow-undecidable-instances</option></entry>
 430               <entry>Enable undecidable instances</entry>
 431               <entry>dynamic</entry>
 432               <entry><option>-fno-allow-undecidable-instances</option></entry>
 433             </row>
 434             <row>
 435               <entry><option>-fgenerics</option></entry>
 436               <entry>Enable generics</entry>
 437               <entry>dynamic</entry>
 438               <entry><option>-fno-fgenerics</option></entry>
 439             </row>
 440             <row>
 441               <entry><option>-fglasgow-exts</option></entry>
 442               <entry>Enable most language extensions</entry>
 443               <entry>dynamic</entry>
 444               <entry><option>-fno-glasgow-exts</option></entry>
 445             </row>
 446             <row>
 447               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 448               <entry>Enable foreign function interface (implied by
 449               <option>-fglasgow-exts</option>)</entry>
 450               <entry>dynamic</entry>
 451               <entry><option>-fno-ffi</option></entry>
 452             </row>
 453             <row>
 454               <entry><option>-fwith</option></entry>
 455               <entry>Enable deprecated <literal>with</literal> keyword</entry>
 456               <entry>dynamic</entry>
 457               <entry><option>-fno-with</option></entry>
 458             </row>
 459             <row>
 460               <entry><option>-fignore-asserts</option></entry>
 461               <entry>Ignore assertions</entry>
 462               <entry>dynamic</entry>
 463               <entry><option>-fno-ignore-asserts</option></entry>
 464             </row>
 465             <row>
 466               <entry><option>-fno-implicit-prelude</option></entry>
 467               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 468               <entry>dynamic</entry>
 469               <entry>-</entry>
 470             </row>
 471             <row>
 472               <entry><option>-fno-monomorphism-restriction</option></entry>
 473               <entry>Disable the monomorphism restriction</entry>
 474               <entry>dynamic</entry>
 475               <entry><option>-</option></entry>
 476             </row>
 477             <row>
 478               <entry><option>-firrefutable-tuples</option></entry>
 479               <entry>Make tuple pattern matching irrefutable</entry>
 480               <entry>dynamic</entry>
 481               <entry><option>-fno-irrefutable-tuples</option></entry>
 482             </row>
 483             <row>
 484               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
 485               <entry>set the limit for context reduction</entry>
 486               <entry>dynamic</entry>
 487               <entry><option>-</option></entry>
 488             </row>
 489           </tbody>
 490         </tgroup>
 491       </informaltable>
 492     </sect2>
 493
 494     <sect2>
 495       <title>Warnings (<xref linkend="options-sanity">)</title>
 496
 497     <informaltable>
 498       <tgroup cols=3 align=left colsep=1 rowsep=1>
 499         <thead>
 500           <row>
 501             <entry>Flag</entry>
 502             <entry>Description</entry>
 503             <entry>Static/Dynamic</entry>
 504             <entry>Reverse</entry>
 505           </row>
 506         </thead>
 507         <tbody>
 508           <row>
 509             <entry><option>-W</option></entry>
 510             <entry>enable normal warnings</entry>
 511             <entry>dynamic</entry>
 512             <entry><option>-w</option></entry>
 513           </row>
 514           <row>
 515             <entry><option>-w</option></entry>
 516             <entry>disable all warnings</entry>
 517             <entry>dynamic</entry>
 518             <entry>-</entry>
 519           </row>
 520           <row>
 521             <entry><option>-Wall</option></entry>
 522             <entry>enable all warnings</entry>
 523             <entry>dynamic</entry>
 524             <entry><option>-w</option></entry>
 525           </row>
 526
 527           <row>
 528             <entry><option>-fwarn-deprecations</option></entry>
 529             <entry>warn about uses of functions & types that are deprecated</entry>
 530             <entry>dynamic</entry>
 531             <entry><option>-fno-warn-deprecations</option></entry>
 532           </row>
 533
 534           <row>
 535             <entry><option>-fwarn-duplicate-exports</option></entry>
 536             <entry>warn when an entity is exported multiple times</entry>
 537             <entry>dynamic</entry>
 538             <entry><option>-fno-warn-duplicate-exports</option></entry>
 539           </row>
 540
 541           <row>
 542             <entry><option>-fwarn-hi-shadowing</option></entry>
 543             <entry>warn when a <literal>.hi</literal> file in the
 544             current directory shadows a library</entry>
 545             <entry>dynamic</entry>
 546             <entry><option>-fno-warn-hi-shadowing</option></entry>
 547           </row>
 548
 549           <row>
 550             <entry><option>-fwarn-incomplete-patterns</option></entry>
 551             <entry>warn when a pattern match could fail</entry>
 552             <entry>dynamic</entry>
 553             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 554           </row>
 555
 556           <row>
 557             <entry><option>-fwarn-misc</option></entry>
 558             <entry>enable miscellaneous warnings</entry>
 559             <entry>dynamic</entry>
 560             <entry><option>-fno-warn-misc</option></entry>
 561           </row>
 562
 563           <row>
 564             <entry><option>-fwarn-missing-fields</option></entry>
 565             <entry>warn when fields of a record are uninitialised</entry>
 566             <entry>dynamic</entry>
 567             <entry><option>-fno-warn-missing-fields</option></entry>
 568           </row>
 569
 570           <row>
 571             <entry><option>-fwarn-missing-methods</option></entry>
 572             <entry>warn when class methods are undefined</entry>
 573             <entry>dynamic</entry>
 574             <entry><option>-fno-warn-missing-methods</option></entry>
 575           </row>
 576
 577           <row>
 578             <entry><option>-fwarn-missing-signatures</option></entry>
 579             <entry>warn about top-level functions without signatures</entry>
 580             <entry>dynamic</entry>
 581             <entry><option>-fno-warn-missing-signatures</option></entry>
 582           </row>
 583
 584           <row>
 585             <entry><option>-fwarn-name-shadowing</option></entry>
 586             <entry>warn when names are shadowed</entry>
 587             <entry>dynamic</entry>
 588             <entry><option>-fno-warn-name-shadowing</option></entry>
 589           </row>
 590
 591           <row>
 592             <entry><option>-fwarn-overlapping-patterns</option></entry>
 593             <entry>warn about overlapping patterns</entry>
 594             <entry>dynamic</entry>
 595             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 596           </row>
 597
 598           <row>
 599             <entry><option>-fwarn-simple-patterns</option></entry>
 600             <entry>warn about lambda-patterns that can fail</entry>
 601             <entry>dynamic</entry>
 602             <entry><option>-fno-warn-simple-patterns</option></entry>
 603           </row>
 604
 605           <row>
 606             <entry><option>-fwarn-type-defaults</option></entry>
 607             <entry>warn when defaulting happens</entry>
 608             <entry>dynamic</entry>
 609             <entry><option>-fno-warn-type-defaults</option></entry>
 610           </row>
 611
 612           <row>
 613             <entry><option>-fwarn-unused-binds</option></entry>
 614             <entry>warn about bindings that are unused</entry>
 615             <entry>dynamic</entry>
 616             <entry><option>-fno-warn-unused-binds</option></entry>
 617           </row>
 618
 619           <row>
 620             <entry><option>-fwarn-unused-imports</option></entry>
 621             <entry>warn about unnecessary imports</entry>
 622             <entry>dynamic</entry>
 623             <entry><option>-fno-warn-unused-imports</option></entry>
 624           </row>
 625
 626           <row>
 627             <entry><option>-fwarn-unused-matches</option></entry>
 628             <entry>warn about variables in patterns that aren't used</entry>
 629             <entry>dynamic</entry>
 630             <entry><option>-fno-warn-unused-matches</option></entry>
 631           </row>
 632
 633           </tbody>
 634         </tgroup>
 635       </informaltable>
 636
 637     </sect2>
 638     <sect2>
 639       <title>Optimisation levels (<xref linkend="options-optimise">)</title>
 640
 641       <informaltable>
 642         <tgroup cols=3 align=left colsep=1 rowsep=1>
 643           <thead>
 644             <row>
 645               <entry>Flag</entry>
 646               <entry>Description</entry>
 647               <entry>Static/Dynamic</entry>
 648               <entry>Reverse</entry>
 649             </row>
 650           </thead>
 651           <tbody>
 652             <row>
 653               <entry><option>-O</option></entry>
 654               <entry>Enable default optimisation (level 1)</entry>
 655               <entry>static</entry>
 656               <entry><option>-O0</option></entry>
 657             </row>
 658             <row>
 659               <entry><option>-O</option><replaceable>n</replaceable></entry>
 660               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 661               <entry>static</entry>
 662               <entry><option>-O0</option></entry>
 663             </row>
 664           </tbody>
 665         </tgroup>
 666       </informaltable>
 667
 668     </sect2>
 669     <sect2>
 670       <title>Individual optimisations (<xref linkend="options-f">)</title>
 671
 672       <informaltable>
 673         <tgroup cols=3 align=left colsep=1 rowsep=1>
 674           <thead>
 675             <row>
 676               <entry>Flag</entry>
 677               <entry>Description</entry>
 678               <entry>Static/Dynamic</entry>
 679               <entry>Reverse</entry>
 680             </row>
 681           </thead>
 682           <tbody>
 683             <row>
 684               <entry><option>-fcase-merge</option></entry>
 685               <entry>Enable case-merging</entry>
 686               <entry>static</entry>
 687               <entry><option>-fno-case-merge</option></entry>
 688             </row>
 689
 690             <row>
 691               <entry><option>-fdicts-strict</option></entry>
 692               <entry>Make dictionaries strict</entry>
 693               <entry>dynamic</entry>
 694               <entry><option>-fno-dicts-strict</option></entry>
 695             </row>
 696
 697             <row>
 698               <entry><option>-fdo-eta-reduction</option></entry>
 699               <entry>Enable eta-reduction</entry>
 700               <entry>static</entry>
 701               <entry><option>-fno-do-eta-reduction</option></entry>
 702             </row>
 703
 704             <row>
 705               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 706               <entry>Enable lambda eta-reduction</entry>
 707               <entry>static</entry>
 708               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 709             </row>
 710
 711             <row>
 712               <entry><option>-fexcess-precision</option></entry>
 713               <entry>Enable excess intermediate precision</entry>
 714               <entry>static</entry>
 715               <entry><option>-fno-excess-precision</option></entry>
 716             </row>
 717
 718             <row>
 719               <entry><option>-ffoldr-build-on</option></entry>
 720               <entry>Enable foldr-build optimisation</entry>
 721               <entry>static</entry>
 722               <entry><option>-fno-foldr-build-on</option></entry>
 723             </row>
 724
 725             <row>
 726               <entry><option>-fignore-asserts</option></entry>
 727               <entry>Ignore assertions in the source</entry>
 728               <entry>static</entry>
 729               <entry><option>-fno-ignore-asserts</option></entry>
 730             </row>
 731
 732             <row>
 733               <entry><option>-fignore-interface-pragmas</option></entry>
 734               <entry>Ignore pragmas in interface files</entry>
 735               <entry>static</entry>
 736               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 737             </row>
 738
 739             <row>
 740               <entry><option>-flet-no-escape</option></entry>
 741               <entry>Enable let-no-escape optimisation</entry>
 742               <entry>static</entry>
 743               <entry><option>-fno-let-no-escape</option></entry>
 744             </row>
 745
 746             <row>
 747               <entry><option>-fliberate-case-threshold</option></entry>
 748               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 749               <entry>static</entry>
 750               <entry><option>-fno-liberate-case-threshold</option></entry>
 751             </row>
 752
 753             <row>
 754               <entry><option>-fomit-interface-pragmas</option></entry>
 755               <entry>Don't generate interface pragmas</entry>
 756               <entry>static</entry>
 757               <entry><option>-fno-omit-interface-pragmas</option></entry>
 758             </row>
 759
 760             <row>
 761               <entry><option>-fmax-worker-args</option></entry>
 762               <entry>If a worker has that many arguments, none will be
 763                 unpacked anymore (default: 10)</entry>
 764               <entry>static</entry>
 765               <entry>-</entry>
 766             </row>
 767
 768             <row>
 769               <entry><option>-fmax-simplifier-iterations</option></entry>
 770               <entry>Set the max iterations for the simplifier</entry>
 771               <entry>static</entry>
 772               <entry>-</entry>
 773             </row>
 774
 775             <row>
 776               <entry><option>-fno-cpr</option></entry>
 777               <entry>Turn off CPR analysis</entry>
 778               <entry>static</entry>
 779               <entry>-</entry>
 780             </row>
 781
 782             <row>
 783               <entry><option>-fno-cse</option></entry>
 784               <entry>Turn off common sub-expression</entry>
 785               <entry>static</entry>
 786               <entry>-</entry>
 787             </row>
 788
 789             <row>
 790               <entry><option>-fno-pre-inlining</option></entry>
 791               <entry>Turn off pre-inlining</entry>
 792               <entry>static</entry>
 793               <entry>-</entry>
 794             </row>
 795
 796             <row>
 797               <entry><option>-fno-strictness</option></entry>
 798               <entry>Turn off strictness analysis</entry>
 799               <entry>static</entry>
 800               <entry>-</entry>
 801             </row>
 802
 803             <row>
 804               <entry><option>-fnumbers-strict</option></entry>
 805               <entry>Make numbers strict</entry>
 806               <entry>dynamic</entry>
 807               <entry><option>-fno-numbers-strict</option></entry>
 808             </row>
 809
 810             <row>
 811               <entry><option>-funbox-strict-fields</option></entry>
 812               <entry>Flatten strict constructor fields</entry>
 813               <entry>static</entry>
 814               <entry><option>-fno-unbox-strict-fields</option></entry>
 815             </row>
 816
 817             <row>
 818               <entry><option>-funfolding-creation-threshold</option></entry>
 819               <entry>Tweak unfolding settings</entry>
 820               <entry>static</entry>
 821               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 822             </row>
 823
 824             <row>
 825               <entry><option>-funfolding-fun-discount</option></entry>
 826               <entry>Tweak unfolding settings</entry>
 827               <entry>static</entry>
 828               <entry><option>-fno-unfolding-fun-discount</option></entry>
 829             </row>
 830
 831             <row>
 832               <entry><option>-funfolding-keeness-factor</option></entry>
 833               <entry>Tweak unfolding settings</entry>
 834               <entry>static</entry>
 835               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 836             </row>
 837
 838             <row>
 839               <entry><option>-funfolding-update-in-place</option></entry>
 840               <entry>Tweak unfolding settings</entry>
 841               <entry>static</entry>
 842               <entry><option>-fno-unfolding-update-in-place</option></entry>
 843             </row>
 844
 845             <row>
 846               <entry><option>-funfolding-use-threshold</option></entry>
 847               <entry>Tweak unfolding settings</entry>
 848               <entry>static</entry>
 849               <entry><option>-fno-unfolding-use-threshold</option></entry>
 850             </row>
 851
 852             <row>
 853               <entry><option>-fusagesp</option></entry>
 854               <entry>Turn on UsageSP analysis</entry>
 855               <entry>static</entry>
 856               <entry><option>-fno-usagesp</option></entry>
 857             </row>
 858           </tbody>
 859         </tgroup>
 860       </informaltable>
 861     </sect2>
 862
 863     <sect2>
 864       <title>Profiling options (<xref linkend="profiling">)</title>
 865
 866       <informaltable>
 867         <tgroup cols=3 align=left colsep=1 rowsep=1>
 868           <thead>
 869             <row>
 870               <entry>Flag</entry>
 871               <entry>Description</entry>
 872               <entry>Static/Dynamic</entry>
 873               <entry>Reverse</entry>
 874             </row>
 875           </thead>
 876           <tbody>
 877             <row>
 878               <entry><option>-auto</option></entry>
 879               <entry>Auto-add <literal>_scc_</literal>s to all
 880               exported functions</entry>
 881               <entry>static</entry>
 882               <entry><option>-no-auto</option></entry>
 883             </row>
 884             <row>
 885               <entry><option>-auto-all</option></entry>
 886               <entry>Auto-add <literal>_scc_</literal>s to all
 887               top-level functions</entry>
 888               <entry>static</entry>
 889               <entry><option>-no-auto-all</option></entry>
 890             </row>
 891             <row>
 892               <entry><option>-auto-dicts</option></entry>
 893               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
 894               <entry>static</entry>
 895               <entry><option>-no-auto-dicts</option></entry>
 896             </row>
 897             <row>
 898               <entry><option>-caf-all</option></entry>
 899               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
 900               <entry>static</entry>
 901               <entry><option>-no-caf-all</option></entry>
 902             </row>
 903             <row>
 904               <entry><option>-prof</option></entry>
 905               <entry>Turn on profiling</entry>
 906               <entry>static</entry>
 907               <entry>-</entry>
 908             </row>
 909             <row>
 910               <entry><option>-ticky</option></entry>
 911               <entry>Turn on ticky-ticky profiling</entry>
 912               <entry>static</entry>
 913               <entry>-</entry>
 914             </row>
 915           </tbody>
 916         </tgroup>
 917       </informaltable>
 918     </sect2>
 919
 920     <sect2>
 921       <title>Parallelism options (<xref linkend="sec-using-parallel">)</title>
 922
 923       <informaltable>
 924         <tgroup cols=3 align=left colsep=1 rowsep=1>
 925           <thead>
 926             <row>
 927               <entry>Flag</entry>
 928               <entry>Description</entry>
 929               <entry>Static/Dynamic</entry>
 930               <entry>Reverse</entry>
 931             </row>
 932           </thead>
 933           <tbody>
 934             <row>
 935               <entry><option>-gransim</option></entry>
 936               <entry>Enable GRANSIM</entry>
 937               <entry>static</entry>
 938               <entry>-</entry>
 939             </row>
 940             <row>
 941               <entry><option>-parallel</option></entry>
 942               <entry>Enable Parallel Haskell</entry>
 943               <entry>static</entry>
 944               <entry>-</entry>
 945             </row>
 946             <row>
 947               <entry><option>-smp</option></entry>
 948               <entry>Enable SMP support</entry>
 949               <entry>static</entry>
 950               <entry>-</entry>
 951             </row>
 952           </tbody>
 953         </tgroup>
 954       </informaltable>
 955     </sect2>
 956
 957     <sect2>
 958       <title>C pre-processor options (<xref linkend="c-pre-processor">)</title>
 959
 960       <informaltable>
 961         <tgroup cols=3 align=left colsep=1 rowsep=1>
 962           <thead>
 963             <row>
 964               <entry>Flag</entry>
 965               <entry>Description</entry>
 966               <entry>Static/Dynamic</entry>
 967               <entry>Reverse</entry>
 968             </row>
 969           </thead>
 970           <tbody>
 971             <row>
 972               <entry><option>-cpp</option></entry>
 973               <entry>Run the C pre-processor on Haskell source files</entry>
 974               <entry>dynamic</entry>
 975               <entry>-</entry>
 976             </row>
 977             <row>
 978               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
 979               <entry>Define a symbol in the C pre-processor</entry>
 980               <entry>dynamic</entry>
 981               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
 982             </row>
 983             <row>
 984               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
 985               <entry>Undefine a symbol in the C pre-processor</entry>
 986               <entry>dynamic</entry>
 987               <entry>-</entry>
 988             </row>
 989             <row>
 990               <entry><option>-I</option><replaceable>dir</replaceable></entry>
 991               <entry>Add <replaceable>dir</replaceable> to the
 992               directory search list for <literal>#include</literal> files</entry>
 993               <entry>static</entry>
 994               <entry>-</entry>
 995             </row>
 996           </tbody>
 997         </tgroup>
 998       </informaltable>
 999     </sect2>
1000
1001     <sect2>
1002       <title>C compiler options (<xref linkend="options-C-compiler">)</title>
1003       <informaltable>
1004         <tgroup cols=3 align=left colsep=1 rowsep=1>
1005           <thead>
1006             <row>
1007               <entry>Flag</entry>
1008               <entry>Description</entry>
1009               <entry>Static/Dynamic</entry>
1010               <entry>Reverse</entry>
1011             </row>
1012           </thead>
1013           <tbody>
1014             <row>
1015               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1016               <entry>Include <replaceable>file</replaceable> when
1017               compiling the <filename>.hc</filename> file</entry>
1018               <entry>dynamic</entry>
1019               <entry>-</entry>
1020             </row>
1021           </tbody>
1022         </tgroup>
1023       </informaltable>
1024     </sect2>
1025
1026     <sect2>
1027       <title>Code generation options (<xref linkend="options-codegen">)</title>
1028
1029       <informaltable>
1030         <tgroup cols=3 align=left colsep=1 rowsep=1>
1031           <thead>
1032             <row>
1033               <entry>Flag</entry>
1034               <entry>Description</entry>
1035               <entry>Static/Dynamic</entry>
1036               <entry>Reverse</entry>
1037             </row>
1038           </thead>
1039           <tbody>
1040             <row>
1041               <entry><option>-fasm</option></entry>
1042               <entry>Use the native code generator</entry>
1043               <entry>dynamic</entry>
1044               <entry>-fvia-C</entry>
1045             </row>
1046             <row>
1047               <entry><option>-fvia-C</option></entry>
1048               <entry>Compile via C</entry>
1049               <entry>dynamic</entry>
1050               <entry>-fasm</entry>
1051             </row>
1052             <row>
1053               <entry><option>-fno-code</option></entry>
1054               <entry>Omit code generation</entry>
1055               <entry>static</entry>
1056               <entry>-</entry>
1057             </row>
1058           </tbody>
1059         </tgroup>
1060       </informaltable>
1061     </sect2>
1062
1063     <sect2>
1064       <title>Linking options (<xref linkend="options-linker">)</title>
1065
1066       <informaltable>
1067         <tgroup cols=3 align=left colsep=1 rowsep=1>
1068           <thead>
1069             <row>
1070               <entry>Flag</entry>
1071               <entry>Description</entry>
1072               <entry>Static/Dynamic</entry>
1073               <entry>Reverse</entry>
1074             </row>
1075           </thead>
1076           <tbody>
1077             <row>
1078               <entry><option>-dynamic</option></entry>
1079               <entry>Use dynamic Haskell libraries (if available)</entry>
1080               <entry>static</entry>
1081               <entry>-</entry>
1082             </row>
1083             <row>
1084               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1085               <entry>Link in library <replaceable>lib</replaceable></entry>
1086               <entry>static</entry>
1087               <entry>-</entry>
1088             </row>
1089             <row>
1090               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1091               <entry>Add <replaceable>dir</replaceable> to the list of
1092               directories searched for libraries</entry>
1093               <entry>static</entry>
1094               <entry>-</entry>
1095             </row>
1096             <row>
1097               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1098               <entry>Link in package <replaceable>name</replaceable></entry>
1099               <entry>static</entry>
1100               <entry>-</entry>
1101             </row>
1102             <row>
1103               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1104               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1105                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1106               <entry>static</entry>
1107               <entry>-</entry>
1108             </row>
1109             <row>
1110               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1111               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1112                 directories searched for frameworks.
1113                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1114               <entry>static</entry>
1115               <entry>-</entry>
1116             </row>
1117             <row>
1118               <entry><option>-split-objs</option></entry>
1119               <entry>Split objects (for libraries)</entry>
1120               <entry>static</entry>
1121               <entry>-</entry>
1122             </row>
1123             <row>
1124               <entry><option>-static</option></entry>
1125               <entry>Use static Haskell libraries</entry>
1126               <entry>static</entry>
1127               <entry>-</entry>
1128             </row>
1129             <row>
1130               <entry><option>-no-hs-main</option></entry>
1131               <entry>Don't asssume this program contains <literal>main</literal></entry>
1132               <entry>static</entry>
1133               <entry>-</entry>
1134             </row>
1135           </tbody>
1136         </tgroup>
1137       </informaltable>
1138     </sect2>
1139
1140     <sect2>
1141       <title>Replacing phases (<xref linkend="replacing-phases">)</title>
1142
1143       <informaltable>
1144         <tgroup cols=3 align=left colsep=1 rowsep=1>
1145           <thead>
1146             <row>
1147               <entry>Flag</entry>
1148               <entry>Description</entry>
1149               <entry>Static/Dynamic</entry>
1150               <entry>Reverse</entry>
1151             </row>
1152           </thead>
1153           <tbody>
1154             <row>
1155               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1156               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1157               <entry>static</entry>
1158               <entry>-</entry>
1159             </row>
1160             <row>
1161               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1162               <entry>Use <replaceable>cmd</replaceable> as the C
1163               pre-processor (with <option>-cpp</option> only)</entry>
1164               <entry>static</entry> <entry>-</entry>
1165             </row>
1166             <row>
1167               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1168               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1169               <entry>static</entry>
1170               <entry>-</entry>
1171             </row>
1172             <row>
1173               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1174               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1175               <entry>static</entry>
1176               <entry>-</entry>
1177             </row>
1178             <row>
1179               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1180               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1181               <entry>static</entry>
1182               <entry>-</entry>
1183             </row>
1184             <row>
1185               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1186               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1187               <entry>static</entry>
1188               <entry>-</entry>
1189             </row>
1190             <row>
1191               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1192               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1193               <entry>static</entry>
1194               <entry>-</entry>
1195             </row>
1196             <row>
1197               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1198               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1199               (with <option>-F</option> only)</entry>
1200               <entry>static</entry>
1201               <entry>-</entry>
1202             </row>
1203           </tbody>
1204         </tgroup>
1205       </informaltable>
1206       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1207       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1208       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1209       <indexterm><primary><option>-pgma</option></primary></indexterm>
1210       <indexterm><primary><option>-pgml</option></primary></indexterm>
1211       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1212       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1213       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1214
1215     </sect2>
1216
1217     <sect2>
1218       <title>Forcing options to particular phases (<xref linkend="forcing-options-through">)</title>
1219
1220       <informaltable>
1221         <tgroup cols=3 align=left colsep=1 rowsep=1>
1222           <thead>
1223             <row>
1224               <entry>Flag</entry>
1225               <entry>Description</entry>
1226               <entry>Static/Dynamic</entry>
1227               <entry>Reverse</entry>
1228             </row>
1229           </thead>
1230           <tbody>
1231             <row>
1232               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1233               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1234               <entry>dynamic</entry>
1235               <entry>-</entry>
1236             </row>
1237             <row>
1238               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1239               <entry>pass <replaceable>option</replaceable> to cpp (with
1240               <option>-cpp</option> only)</entry>
1241               <entry>dynamic</entry>
1242               <entry>-</entry>
1243             </row>
1244             <row>
1245               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1246               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1247               <entry>dynamic</entry>
1248               <entry>-</entry>
1249             </row>
1250             <row>
1251               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1252               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1253               <entry>dynamic</entry>
1254               <entry>-</entry>
1255             </row>
1256             <row>
1257               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1258               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1259               <entry>static</entry>
1260               <entry>-</entry>
1261             </row>
1262             <row>
1263               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1264               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1265               <entry>static</entry>
1266               <entry>-</entry>
1267             </row>
1268             <row>
1269               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1270               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1271               <entry>static</entry>
1272               <entry>-</entry>
1273             </row>
1274           </tbody>
1275         </tgroup>
1276       </informaltable>
1277     </sect2>
1278
1279     <sect2>
1280       <title>Platform-specific options (<xref linkend="options-platform">)</title>
1281
1282       <informaltable>
1283         <tgroup cols=3 align=left colsep=1 rowsep=1>
1284           <thead>
1285             <row>
1286               <entry>Flag</entry>
1287               <entry>Description</entry>
1288               <entry>Static/Dynamic</entry>
1289               <entry>Reverse</entry>
1290             </row>
1291           </thead>
1292           <tbody>
1293             <row>
1294               <entry><option>-mv8</option></entry>
1295               <entry>(SPARC only) enable version 8 support</entry>
1296               <entry>static</entry>
1297               <entry>-</entry>
1298             </row>
1299             <row>
1300               <entry><option>-monly-[32]-regs</option></entry>
1301               <entry>(x86 only) give some registers back to the C compiler</entry>
1302               <entry>dynamic</entry>
1303               <entry>-</entry>
1304             </row>
1305           </tbody>
1306         </tgroup>
1307       </informaltable>
1308     </sect2>
1309
1310
1311     <sect2>
1312       <title>External core file options (<xref linkend="ext-core">)</title>
1313
1314       <informaltable>
1315         <tgroup cols=3 align=left colsep=1 rowsep=1>
1316           <thead>
1317             <row>
1318               <entry>Flag</entry>
1319               <entry>Description</entry>
1320               <entry>Static/Dynamic</entry>
1321               <entry>Reverse</entry>
1322             </row>
1323           </thead>
1324           <tbody>
1325             <row>
1326               <entry><option>-fext-core</option></entry>
1327               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1328               <entry>static</entry>
1329               <entry>-</entry>
1330             </row>
1331           </tbody>
1332         </tgroup>
1333       </informaltable>
1334     </sect2>
1335
1336
1337     <sect2>
1338       <title>Compiler debugging options (<xref linkend="options-debugging">)</title>
1339
1340       <informaltable>
1341         <tgroup cols=3 align=left colsep=1 rowsep=1>
1342           <thead>
1343             <row>
1344               <entry>Flag</entry>
1345               <entry>Description</entry>
1346               <entry>Static/Dynamic</entry>
1347               <entry>Reverse</entry>
1348             </row>
1349           </thead>
1350           <tbody>
1351             <row>
1352               <entry><option>-dcore-lint</option></entry>
1353               <entry>Turn on internal sanity checking</entry>
1354               <entry>dynamic</entry>
1355               <entry>-</entry>
1356             </row>
1357             <row>
1358               <entry><option>-ddump-absC</option></entry>
1359               <entry>Dump abstract C</entry>
1360               <entry>dynamic</entry>
1361               <entry>-</entry>
1362             </row>
1363             <row>
1364               <entry><option>-ddump-asm</option></entry>
1365               <entry>Dump assembly</entry>
1366               <entry>dynamic</entry>
1367               <entry>-</entry>
1368             </row>
1369             <row>
1370               <entry><option>-ddump-bcos</option></entry>
1371               <entry>Dump interpreter byte code</entry>
1372               <entry>dynamic</entry>
1373               <entry>-</entry>
1374             </row>
1375             <row>
1376               <entry><option>-ddump-cpranal</option></entry>
1377               <entry>Dump output from CPR analysis</entry>
1378               <entry>dynamic</entry>
1379               <entry>-</entry>
1380             </row>
1381             <row>
1382               <entry><option>-ddump-cse</option></entry>
1383               <entry>Dump CSE output</entry>
1384               <entry>dynamic</entry>
1385               <entry>-</entry>
1386             </row>
1387             <row>
1388               <entry><option>-ddump-deriv</option></entry>
1389               <entry>Dump deriving output</entry>
1390               <entry>dynamic</entry>
1391               <entry>-</entry>
1392             </row>
1393             <row>
1394               <entry><option>-ddump-ds</option></entry>
1395               <entry>Dump desugarer output</entry>
1396               <entry>dynamic</entry>
1397               <entry>-</entry>
1398             </row>
1399             <row>
1400               <entry><option>-ddump-flatC</option></entry>
1401               <entry>Dump &ldquo;flat&rdquo; C</entry>
1402               <entry>dynamic</entry>
1403               <entry>-</entry>
1404             </row>
1405             <row>
1406               <entry><option>-ddump-foreign</option></entry>
1407               <entry>Dump <literal>foreign export</literal> stubs</entry>
1408               <entry>dynamic</entry>
1409               <entry>-</entry>
1410             </row>
1411             <row>
1412               <entry><option>-ddump-inlinings</option></entry>
1413               <entry>Dump inlining info</entry>
1414               <entry>dynamic</entry>
1415               <entry>-</entry>
1416             </row>
1417             <row>
1418               <entry><option>-ddump-occur-anal</option></entry>
1419               <entry>Dump occurrence analysis output</entry>
1420               <entry>dynamic</entry>
1421               <entry>-</entry>
1422             </row>
1423             <row>
1424               <entry><option>-ddump-parsed</option></entry>
1425               <entry>Dump parse tree</entry>
1426               <entry>dynamic</entry>
1427               <entry>-</entry>
1428             </row>
1429             <row>
1430               <entry><option>-ddump-realC</option></entry>
1431               <entry>Dump &ldquo;real&rdquo; C</entry>
1432               <entry>dynamic</entry>
1433               <entry>-</entry>
1434             </row>
1435             <row>
1436               <entry><option>-ddump-rn</option></entry>
1437               <entry>Dump renamer output</entry>
1438               <entry>dynamic</entry>
1439               <entry>-</entry>
1440             </row>
1441             <row>
1442               <entry><option>-ddump-rules</option></entry>
1443               <entry>Dump rules</entry>
1444               <entry>dynamic</entry>
1445               <entry>-</entry>
1446             </row>
1447             <row>
1448               <entry><option>-ddump-sat</option></entry>
1449               <entry>Dump saturated output</entry>
1450               <entry>dynamic</entry>
1451               <entry>-</entry>
1452             </row>
1453             <row>
1454               <entry><option>-ddump-simpl</option></entry>
1455               <entry>Dump final simplifier output</entry>
1456               <entry>dynamic</entry>
1457               <entry>-</entry>
1458             </row>
1459             <row>
1460               <entry><option>-ddump-simpl-iterations</option></entry>
1461               <entry>Dump output from each simplifier iteration</entry>
1462               <entry>dynamic</entry>
1463               <entry>-</entry>
1464             </row>
1465             <row>
1466               <entry><option>-ddump-spec</option></entry>
1467               <entry>Dump specialiser output</entry>
1468               <entry>dynamic</entry>
1469               <entry>-</entry>
1470             </row>
1471             <row>
1472               <entry><option>-ddump-stg</option></entry>
1473               <entry>Dump final STG</entry>
1474               <entry>dynamic</entry>
1475               <entry>-</entry>
1476             </row>
1477             <row>
1478               <entry><option>-ddump-stranal</option></entry>
1479               <entry>Dump strictness analyser output</entry>
1480               <entry>dynamic</entry>
1481               <entry>-</entry>
1482             </row>
1483             <row>
1484               <entry><option>-ddump-tc</option></entry>
1485               <entry>Dump typechecker output</entry>
1486               <entry>dynamic</entry>
1487               <entry>-</entry>
1488             </row>
1489             <row>
1490               <entry><option>-ddump-types</option></entry>
1491               <entry>Dump type signatures</entry>
1492               <entry>dynamic</entry>
1493               <entry>-</entry>
1494             </row>
1495             <row>
1496               <entry><option>-ddump-usagesp</option></entry>
1497               <entry>Dump UsageSP analysis output</entry>
1498               <entry>dynamic</entry>
1499               <entry>-</entry>
1500             </row>
1501             <row>
1502               <entry><option>-ddump-worker-wrapper</option></entry>
1503               <entry>Dump worker-wrapper output</entry>
1504               <entry>dynamic</entry>
1505               <entry>-</entry>
1506             </row>
1507             <row>
1508               <entry><option>-ddump-rn-trace</option></entry>
1509               <entry>Trace renamer</entry>
1510               <entry>dynamic</entry>
1511               <entry>-</entry>
1512             </row>
1513             <row>
1514               <entry><option>-ddump-rn-stats</option></entry>
1515               <entry>Renamer stats</entry>
1516               <entry>dynamic</entry>
1517               <entry>-</entry>
1518             </row>
1519             <row>
1520               <entry><option>-ddump-stix</option></entry>
1521               <entry>Native code generator intermediate form</entry>
1522               <entry>dynamic</entry>
1523               <entry>-</entry>
1524             </row>
1525             <row>
1526               <entry><option>-ddump-simpl-stats</option></entry>
1527               <entry>Dump simplifier stats</entry>
1528               <entry>dynamic</entry>
1529               <entry>-</entry>
1530             </row>
1531             <row>
1532               <entry><option>-dppr-debug</option></entry>
1533               <entry>Turn on debug printing (more verbose)</entry>
1534               <entry>static</entry>
1535               <entry>-</entry>
1536             </row>
1537             <row>
1538               <entry><option>-dppr-noprags</option></entry>
1539               <entry>Don't output pragma info in dumps</entry>
1540               <entry>static</entry>
1541               <entry>-</entry>
1542             </row>
1543             <row>
1544               <entry><option>-dppr-user-length</option></entry>
1545               <entry>Set the depth for printing expressions in error msgs</entry>
1546               <entry>static</entry>
1547               <entry>-</entry>
1548             </row>
1549             <row>
1550               <entry><option>-dsource-stats</option></entry>
1551               <entry>Dump haskell source stats</entry>
1552               <entry>dynamic</entry>
1553               <entry>-</entry>
1554             </row>
1555             <row>
1556               <entry><option>-dstg-lint</option></entry>
1557               <entry>STG pass sanity checking</entry>
1558               <entry>dynamic</entry>
1559               <entry>-</entry>
1560             </row>
1561             <row>
1562               <entry><option>-dstg-stats</option></entry>
1563               <entry>Dump STG stats</entry>
1564               <entry>dynamic</entry>
1565               <entry>-</entry>
1566             </row>
1567             <row>
1568               <entry><option>-dusagesp-lint</option></entry>
1569               <entry>UsageSP sanity checker</entry>
1570               <entry>dynamic</entry>
1571               <entry>-</entry>
1572             </row>
1573             <row>
1574               <entry><option>-dverbose-core2core</option></entry>
1575               <entry>Show output from each core-to-core pass</entry>
1576               <entry>dynamic</entry>
1577               <entry>-</entry>
1578             </row>
1579             <row>
1580               <entry><option>-dverbose-stg2stg</option></entry>
1581               <entry>Show output from each STG-to-STG pass</entry>
1582               <entry>dynamic</entry>
1583               <entry>-</entry>
1584             </row>
1585             <row>
1586               <entry><option>-unreg</option></entry>
1587               <entry>Enable unregisterised compilation</entry>
1588               <entry>static</entry>
1589               <entry>-</entry>
1590             </row>
1591           </tbody>
1592         </tgroup>
1593       </informaltable>
1594     </sect2>
1595
1596     <sect2>
1597       <title>Misc compiler options</title>
1598
1599       <informaltable>
1600         <tgroup cols=3 align=left colsep=1 rowsep=1>
1601           <thead>
1602             <row>
1603               <entry>Flag</entry>
1604               <entry>Description</entry>
1605               <entry>Static/Dynamic</entry>
1606               <entry>Reverse</entry>
1607             </row>
1608           </thead>
1609           <tbody>
1610             <row>
1611               <entry><option>-funfold-casms-in-hi-file</option></entry>
1612               <entry>Allow casms in unfoldings</entry>
1613               <entry>static</entry>
1614               <entry>-</entry>
1615             </row>
1616             <row>
1617               <entry><option>-femit-extern-decls</option></entry>
1618               <entry>???</entry>
1619               <entry>static</entry>
1620               <entry>-</entry>
1621             </row>
1622             <row>
1623               <entry><option>-fglobalise-toplev-names</option></entry>
1624               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1625               <entry>static</entry>
1626               <entry>-</entry>
1627             </row>
1628             <row>
1629               <entry><option>-fno-hi-version-check</option></entry>
1630               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1631               <entry>static</entry>
1632               <entry>-</entry>
1633             </row>
1634             <row>
1635               <entry><option>-dno-black-holing</option></entry>
1636               <entry>Turn off black holing (probably doesn't work)</entry>
1637               <entry>static</entry>
1638               <entry>-</entry>
1639             </row>
1640             <row>
1641               <entry><option>-fno-method-sharing</option></entry>
1642               <entry>Don't share specialisations of overloaded functions</entry>
1643               <entry>static</entry>
1644               <entry>-</entry>
1645             </row>
1646             <row>
1647               <entry><option>-fno-prune-decls</option></entry>
1648               <entry>Renamer: don't prune declarations</entry>
1649               <entry>static</entry>
1650               <entry>-</entry>
1651             </row>
1652             <row>
1653               <entry><option>-fno-prune-tydecls</option></entry>
1654               <entry>Renamer: don't prune type declarations</entry>
1655               <entry>static</entry>
1656               <entry>-</entry>
1657             </row>
1658             <row>
1659               <entry><option>-fhistory-size</option></entry>
1660               <entry>Set simplification history size</entry>
1661               <entry>static</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-funregisterised</option></entry>
1666               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1667               <entry>static</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-fno-asm-mangling</option></entry>
1672               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1673               <entry>static</entry>
1674               <entry>-</entry>
1675             </row>
1676           </tbody>
1677         </tgroup>
1678       </informaltable>
1679     </sect2>
1680   </sect1>
1681
1682
1683 <!--
1684 Still to document:
1685
1686 Misc:
1687   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1688   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1689
1690   -Bdir
1691 -->
1692
1693 <!-- Emacs stuff:
1694      ;;; Local Variables: ***
1695      ;;; mode: sgml ***
1696      ;;; sgml-parent-document: ("users_guide.sgml" "book" "chapter") ***
1697      ;;; End: ***
1698  -->