ghc/docs/users_guide/flags.xml

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   2   <sect1 id="flag-reference">
   3     <title>Flag reference</title>
   4
   5     <para>This section is a quick-reference for GHC's command-line
   6     flags.  For each flag, we also list its static/dynamic status (see
   7     <xref linkend="static-dynamic-flags"/>), and the flag's opposite
   8     (if available).</para>
   9
  10     <sect2>
  11       <title>Help and verbosity options (<xref linkend="options-help"/>)</title>
  12
  13       <informaltable>
  14         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  15           <thead>
  16             <row>
  17               <entry>Flag</entry>
  18               <entry>Description</entry>
  19               <entry>Static/Dynamic</entry>
  20               <entry>Reverse</entry>
  21             </row>
  22           </thead>
  23           <tbody>
  24             <row>
  25               <entry><option>-?</option></entry>
  26               <entry>help</entry>
  27               <entry>static</entry>
  28               <entry>-</entry>
  29             </row>
  30             <row>
  31               <entry><option>-help</option></entry>
  32               <entry>help</entry>
  33               <entry>static</entry>
  34               <entry>-</entry>
  35             </row>
  36             <row>
  37               <entry><option>-v</option></entry>
  38               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  39               <entry>dynamic</entry>
  40               <entry>-</entry>
  41             </row>
  42             <row>
  43               <entry><option>-v</option><replaceable>n</replaceable></entry>
  44               <entry>set verbosity level</entry>
  45               <entry>dynamic</entry>
  46               <entry>-</entry>
  47             </row>
  48             <row>
  49               <entry><option>-V</option></entry>
  50               <entry>display GHC version</entry>
  51               <entry>static</entry>
  52               <entry>-</entry>
  53             </row>
  54             <row>
  55               <entry><option>&ndash;&ndash;version</option></entry>
  56               <entry>display GHC version</entry>
  57               <entry>static</entry>
  58               <entry>-</entry>
  59             </row>
  60             <row>
  61               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  62               <entry>display GHC version (numeric only)</entry>
  63               <entry>static</entry>
  64               <entry>-</entry>
  65             </row>
  66             <row>
  67               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  68               <entry>display GHC library directory</entry>
  69               <entry>static</entry>
  70               <entry>-</entry>
  71             </row>
  72             <row>
  73               <entry><option>-ferror-spans</option></entry>
  74               <entry>output full span in error messages</entry>
  75               <entry>static</entry>
  76               <entry>-</entry>
  77             </row>
  78           </tbody>
  79         </tgroup>
  80       </informaltable>
  81
  82     </sect2>
  83     <sect2>
  84       <title>Which phases to run (<xref linkend="options-order"/>)</title>
  85
  86       <informaltable>
  87         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  88           <thead>
  89             <row>
  90               <entry>Flag</entry>
  91               <entry>Description</entry>
  92               <entry>Static/Dynamic</entry>
  93               <entry>Reverse</entry>
  94             </row>
  95           </thead>
  96           <tbody>
  97             <row>
  98               <entry><option>-E</option></entry>
  99               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 100               <entry>static</entry>
 101               <entry>-</entry>
 102             </row>
 103             <row>
 104               <entry><option>-C</option></entry>
 105               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 106               <entry>static</entry>
 107               <entry>-</entry>
 108             </row>
 109             <row>
 110               <entry><option>-S</option></entry>
 111               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 112               <entry>static</entry>
 113               <entry>-</entry>
 114             </row>
 115             <row>
 116               <entry><option>-c</option></entry>
 117               <entry>Stop after compiling to object code (<literal>.o</literal> file)</entry>
 118               <entry>static</entry>
 119               <entry>-</entry>
 120             </row>
 121           </tbody>
 122         </tgroup>
 123       </informaltable>
 124     </sect2>
 125
 126     <sect2>
 127       <title>Redirecting output (<xref linkend="options-output"/>)</title>
 128
 129       <informaltable>
 130         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 131           <thead>
 132             <row>
 133               <entry>Flag</entry>
 134               <entry>Description</entry>
 135               <entry>Static/Dynamic</entry>
 136               <entry>Reverse</entry>
 137             </row>
 138           </thead>
 139           <tbody>
 140             <row>
 141               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 142               <entry>set the suffix to use for intermediate C files</entry>
 143               <entry>static</entry>
 144               <entry>-</entry>
 145             </row>
 146             <row>
 147               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 148               <entry>set directory for interface files</entry>
 149               <entry>static</entry>
 150               <entry>-</entry>
 151             </row>
 152             <row>
 153               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 154               <entry>set the suffix to use for interface files</entry>
 155               <entry>static</entry>
 156               <entry>-</entry>
 157             </row>
 158             <row>
 159               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 160               <entry>set output filename</entry>
 161               <entry>static</entry>
 162               <entry>-</entry>
 163             </row>
 164             <row>
 165               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 166               <entry>set output directory</entry>
 167               <entry>static</entry>
 168               <entry>-</entry>
 169             </row>
 170             <row>
 171               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 172               <entry>set the filename in which to put the interface</entry>
 173               <entry>static</entry>
 174               <entry></entry>
 175             </row>
 176             <row>
 177               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 178               <entry>set the output file suffix</entry>
 179               <entry>static</entry>
 180               <entry>-</entry>
 181             </row>
 182           </tbody>
 183         </tgroup>
 184       </informaltable>
 185     </sect2>
 186
 187     <sect2>
 188       <title>Keeping intermediate files (<xref linkend="keeping-intermediates"/>)</title>
 189
 190       <informaltable>
 191         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 192           <thead>
 193             <row>
 194               <entry>Flag</entry>
 195               <entry>Description</entry>
 196               <entry>Static/Dynamic</entry>
 197               <entry>Reverse</entry>
 198             </row>
 199           </thead>
 200           <tbody>
 201             <row>
 202               <entry><option>-keep-hc-file</option></entry>
 203               <entry>retain intermediate <literal>.hc</literal> files</entry>
 204               <entry>static</entry>
 205               <entry>-</entry>
 206             </row>
 207             <row>
 208               <entry><option>-keep-s-file</option></entry>
 209               <entry>retain intermediate <literal>.s</literal> files</entry>
 210               <entry>static</entry>
 211               <entry>-</entry>
 212             </row>
 213             <row>
 214               <entry><option>-keep-raw-s-file</option></entry>
 215               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 216               <entry>static</entry>
 217               <entry>-</entry>
 218             </row>
 219             <row>
 220               <entry><option>-keep-tmp-files</option></entry>
 221               <entry>retain all intermediate temporary files</entry>
 222               <entry>static</entry>
 223               <entry>-</entry>
 224             </row>
 225           </tbody>
 226         </tgroup>
 227       </informaltable>
 228     </sect2>
 229
 230     <sect2>
 231       <title>Temporary files (<xref linkend="temp-files"/>)</title>
 232
 233       <informaltable>
 234         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 235           <thead>
 236             <row>
 237               <entry>Flag</entry>
 238               <entry>Description</entry>
 239               <entry>Static/Dynamic</entry>
 240               <entry>Reverse</entry>
 241             </row>
 242           </thead>
 243           <tbody>
 244             <row>
 245               <entry><option>-tmpdir</option></entry>
 246               <entry>set the directory for temporary files</entry>
 247               <entry>static</entry>
 248               <entry>-</entry>
 249             </row>
 250           </tbody>
 251         </tgroup>
 252       </informaltable>
 253     </sect2>
 254
 255     <sect2>
 256       <title>Finding imports (<xref linkend="search-path"/>)</title>
 257
 258       <informaltable>
 259         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 260           <thead>
 261             <row>
 262               <entry>Flag</entry>
 263
 264               <entry>Description</entry>
 265               <entry>Static/Dynamic</entry>
 266               <entry>Reverse</entry>
 267             </row>
 268           </thead>
 269           <tbody>
 270             <row>
 271               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 272               <entry>add <replaceable>dir</replaceable>,
 273                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 274               <entry>static</entry>
 275               <entry>-</entry>
 276             </row>
 277             <row>
 278               <entry><option>-i</option></entry>
 279               <entry>Empty the import directory list</entry>
 280               <entry>static</entry>
 281               <entry>-</entry>
 282             </row>
 283           </tbody>
 284         </tgroup>
 285       </informaltable>
 286     </sect2>
 287
 288     <sect2>
 289       <title>Interface file options (<xref linkend="hi-options"/>)</title>
 290
 291       <informaltable>
 292         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 293           <thead>
 294             <row>
 295               <entry>Flag</entry>
 296
 297               <entry>Description</entry>
 298               <entry>Static/Dynamic</entry>
 299               <entry>Reverse</entry>
 300             </row>
 301           </thead>
 302           <tbody>
 303             <row>
 304               <entry><option>-ddump-hi</option></entry>
 305               <entry>Dump the new interface to stdout</entry>
 306               <entry>dynamic</entry>
 307               <entry>-</entry>
 308             </row>
 309             <row>
 310               <entry><option>-ddump-hi-diffs</option></entry>
 311               <entry>Show the differences vs. the old interface</entry>
 312               <entry>dynamic</entry>
 313               <entry>-</entry>
 314             </row>
 315             <row>
 316               <entry><option>-ddump-minimal-imports</option></entry>
 317               <entry>Dump a minimal set of imports</entry>
 318               <entry>dynamic</entry>
 319               <entry>-</entry>
 320             </row>
 321             <row>
 322               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 323               <entry>Read the interface in
 324               <replaceable>file</replaceable> and dump it as text to
 325               <literal>stdout</literal>.</entry>
 326               <entry>static</entry>
 327               <entry>-</entry>
 328             </row>
 329           </tbody>
 330         </tgroup>
 331       </informaltable>
 332     </sect2>
 333
 334     <sect2>
 335       <title>Recompilation checking (<xref linkend="recomp"/>)</title>
 336
 337       <informaltable>
 338         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 339           <thead>
 340             <row>
 341               <entry>Flag</entry>
 342
 343               <entry>Description</entry>
 344               <entry>Static/Dynamic</entry>
 345               <entry>Reverse</entry>
 346             </row>
 347           </thead>
 348           <tbody>
 349             <row>
 350               <entry><option>-no-recomp</option></entry>
 351               <entry>Turn off recompilation checking</entry>
 352               <entry>static</entry>
 353               <entry><option>-recomp</option></entry>
 354             </row>
 355           </tbody>
 356         </tgroup>
 357       </informaltable>
 358     </sect2>
 359
 360     <sect2>
 361       <title>Interactive-mode options (<xref linkend="ghci-dot-files"/>)</title>
 362
 363       <informaltable>
 364         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 365           <thead>
 366             <row>
 367               <entry>Flag</entry>
 368               <entry>Description</entry>
 369               <entry>Static/Dynamic</entry>
 370               <entry>Reverse</entry>
 371             </row>
 372           </thead>
 373           <tbody>
 374             <row>
 375               <entry><option>-ignore-dot-ghci</option></entry>
 376               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 377               <entry>static</entry>
 378               <entry>-</entry>
 379             </row>
 380             <row>
 381               <entry><option>-read-dot-ghci</option></entry>
 382               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 383               <entry>static</entry>
 384               <entry>-</entry>
 385             </row>
 386           </tbody>
 387         </tgroup>
 388       </informaltable>
 389     </sect2>
 390
 391     <sect2>
 392       <title>Packages (<xref linkend="packages"/>)</title>
 393       <informaltable>
 394         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 395           <thead>
 396             <row>
 397               <entry>Flag</entry>
 398               <entry>Description</entry>
 399               <entry>Static/Dynamic</entry>
 400               <entry>Reverse</entry>
 401             </row>
 402           </thead>
 403           <tbody>
 404             <row>
 405               <entry><option>-package</option> <replaceable>name</replaceable></entry>
 406               <entry>Use package <replaceable>name</replaceable></entry>
 407               <entry>static</entry>
 408               <entry>-</entry>
 409             </row>
 410             <row>
 411               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 412               <entry>Load more packages from <replaceable>file</replaceable></entry>
 413               <entry>static</entry>
 414               <entry>-</entry>
 415             </row>
 416             <row>
 417               <entry><option>-package-name</option> <replaceable>name</replaceable></entry>
 418               <entry>Compile code for package <replaceable>name</replaceable></entry>
 419               <entry>static</entry>
 420               <entry>-</entry>
 421             </row>
 422           </tbody>
 423         </tgroup>
 424       </informaltable>
 425     </sect2>
 426
 427     <sect2>
 428       <title>Language options (<xref linkend="options-language"/>)</title>
 429
 430       <informaltable>
 431         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 432           <thead>
 433             <row>
 434               <entry>Flag</entry>
 435               <entry>Description</entry>
 436               <entry>Static/Dynamic</entry>
 437               <entry>Reverse</entry>
 438             </row>
 439           </thead>
 440           <tbody>
 441             <row>
 442               <entry><option>-fallow-overlapping-instances</option></entry>
 443               <entry>Enable overlapping instances</entry>
 444               <entry>dynamic</entry>
 445               <entry><option>-fno-allow-overlapping-instances</option></entry>
 446             </row>
 447             <row>
 448               <entry><option>-fallow-undecidable-instances</option></entry>
 449               <entry>Enable undecidable instances</entry>
 450               <entry>dynamic</entry>
 451               <entry><option>-fno-allow-undecidable-instances</option></entry>
 452             </row>
 453             <row>
 454               <entry><option>-fallow-incoherent-instances</option></entry>
 455               <entry>Enable incoherent instances</entry>
 456               <entry>dynamic</entry>
 457               <entry><option>-fno-allow-incoherent-instances</option></entry>
 458             </row>
 459             <row>
 460               <entry><option>-farrows</option></entry>
 461               <entry>Enable arrow notation extension</entry>
 462               <entry>dynamic</entry>
 463               <entry><option>-fno-arrows</option></entry>
 464             </row>
 465             <row>
 466               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
 467               <entry>set the limit for context reduction</entry>
 468               <entry>static</entry>
 469               <entry><option>-</option></entry>
 470             </row>
 471             <row>
 472               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 473               <entry>Enable foreign function interface (implied by
 474               <option>-fglasgow-exts</option>)</entry>
 475               <entry>dynamic</entry>
 476               <entry><option>-fno-ffi</option></entry>
 477             </row>
 478             <row>
 479               <entry><option>-fgenerics</option></entry>
 480               <entry>Enable generics</entry>
 481               <entry>dynamic</entry>
 482               <entry><option>-fno-fgenerics</option></entry>
 483             </row>
 484             <row>
 485               <entry><option>-fglasgow-exts</option></entry>
 486               <entry>Enable most language extensions</entry>
 487               <entry>dynamic</entry>
 488               <entry><option>-fno-glasgow-exts</option></entry>
 489             </row>
 490             <row>
 491               <entry><option>-fignore-asserts</option></entry>
 492               <entry>Ignore assertions</entry>
 493               <entry>dynamic</entry>
 494               <entry><option>-fno-ignore-asserts</option></entry>
 495             </row>
 496             <row>
 497               <entry><option>-fimplicit-params</option></entry>
 498               <entry>Enable Implicit Parameters</entry>
 499               <entry>dynamic</entry>
 500               <entry><option>-fno-implicit-params</option></entry>
 501             </row>
 502             <row>
 503               <entry><option>-firrefutable-tuples</option></entry>
 504               <entry>Make tuple pattern matching irrefutable</entry>
 505               <entry>dynamic</entry>
 506               <entry><option>-fno-irrefutable-tuples</option></entry>
 507             </row>
 508             <row>
 509               <entry><option>-fno-implicit-prelude</option></entry>
 510               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 511               <entry>dynamic</entry>
 512               <entry><option>-fimplicit-prelude</option></entry>
 513             </row>
 514             <row>
 515               <entry><option>-fno-monomorphism-restriction</option></entry>
 516               <entry>Disable the monomorphism restriction</entry>
 517               <entry>dynamic</entry>
 518               <entry><option>-fmonomorphism-restriction</option></entry>
 519             </row>
 520             <row>
 521               <entry><option>-fth</option></entry>
 522               <entry>Enable Template Haskell</entry>
 523               <entry>dynamic</entry>
 524               <entry><option>-fno-th</option></entry>
 525             </row>
 526           </tbody>
 527         </tgroup>
 528       </informaltable>
 529     </sect2>
 530
 531     <sect2>
 532       <title>Warnings (<xref linkend="options-sanity"/>)</title>
 533
 534     <informaltable>
 535       <tgroup cols="3" align="left" colsep="1" rowsep="1">
 536         <thead>
 537           <row>
 538             <entry>Flag</entry>
 539             <entry>Description</entry>
 540             <entry>Static/Dynamic</entry>
 541             <entry>Reverse</entry>
 542           </row>
 543         </thead>
 544         <tbody>
 545           <row>
 546             <entry><option>-W</option></entry>
 547             <entry>enable normal warnings</entry>
 548             <entry>dynamic</entry>
 549             <entry><option>-w</option></entry>
 550           </row>
 551           <row>
 552             <entry><option>-w</option></entry>
 553             <entry>disable all warnings</entry>
 554             <entry>dynamic</entry>
 555             <entry>-</entry>
 556           </row>
 557           <row>
 558             <entry><option>-Wall</option></entry>
 559             <entry>enable all warnings</entry>
 560             <entry>dynamic</entry>
 561             <entry><option>-w</option></entry>
 562           </row>
 563           <row>
 564             <entry><option>-Werror</option></entry>
 565             <entry>make warnings fatal</entry>
 566             <entry>dynamic</entry>
 567             <entry></entry>
 568           </row>
 569
 570           <row>
 571             <entry><option>-fwarn-deprecations</option></entry>
 572             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 573             <entry>dynamic</entry>
 574             <entry><option>-fno-warn-deprecations</option></entry>
 575           </row>
 576
 577           <row>
 578             <entry><option>-fwarn-duplicate-exports</option></entry>
 579             <entry>warn when an entity is exported multiple times</entry>
 580             <entry>dynamic</entry>
 581             <entry><option>-fno-warn-duplicate-exports</option></entry>
 582           </row>
 583
 584           <row>
 585             <entry><option>-fwarn-hi-shadowing</option></entry>
 586             <entry>warn when a <literal>.hi</literal> file in the
 587             current directory shadows a library</entry>
 588             <entry>dynamic</entry>
 589             <entry><option>-fno-warn-hi-shadowing</option></entry>
 590           </row>
 591
 592           <row>
 593             <entry><option>-fwarn-incomplete-patterns</option></entry>
 594             <entry>warn when a pattern match could fail</entry>
 595             <entry>dynamic</entry>
 596             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 597           </row>
 598
 599           <row>
 600             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 601             <entry>warn when a record update could fail</entry>
 602             <entry>dynamic</entry>
 603             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 604           </row>
 605
 606           <row>
 607             <entry><option>-fwarn-misc</option></entry>
 608             <entry>enable miscellaneous warnings</entry>
 609             <entry>dynamic</entry>
 610             <entry><option>-fno-warn-misc</option></entry>
 611           </row>
 612
 613           <row>
 614             <entry><option>-fwarn-missing-fields</option></entry>
 615             <entry>warn when fields of a record are uninitialised</entry>
 616             <entry>dynamic</entry>
 617             <entry><option>-fno-warn-missing-fields</option></entry>
 618           </row>
 619
 620           <row>
 621             <entry><option>-fwarn-missing-methods</option></entry>
 622             <entry>warn when class methods are undefined</entry>
 623             <entry>dynamic</entry>
 624             <entry><option>-fno-warn-missing-methods</option></entry>
 625           </row>
 626
 627           <row>
 628             <entry><option>-fwarn-missing-signatures</option></entry>
 629             <entry>warn about top-level functions without signatures</entry>
 630             <entry>dynamic</entry>
 631             <entry><option>-fno-warn-missing-signatures</option></entry>
 632           </row>
 633
 634           <row>
 635             <entry><option>-fwarn-name-shadowing</option></entry>
 636             <entry>warn when names are shadowed</entry>
 637             <entry>dynamic</entry>
 638             <entry><option>-fno-warn-name-shadowing</option></entry>
 639           </row>
 640
 641           <row>
 642             <entry><option>-fwarn-oprhans</option></entry>
 643             <entry>warn when the module contains "orphan" instance declarations
 644             or rewrite rules</entry>
 645             <entry>dynamic</entry>
 646             <entry><option>-fno-warn-orphans</option></entry>
 647           </row>
 648
 649           <row>
 650             <entry><option>-fwarn-overlapping-patterns</option></entry>
 651             <entry>warn about overlapping patterns</entry>
 652             <entry>dynamic</entry>
 653             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 654           </row>
 655
 656           <row>
 657             <entry><option>-fwarn-simple-patterns</option></entry>
 658             <entry>warn about lambda-patterns that can fail</entry>
 659             <entry>dynamic</entry>
 660             <entry><option>-fno-warn-simple-patterns</option></entry>
 661           </row>
 662
 663           <row>
 664             <entry><option>-fwarn-type-defaults</option></entry>
 665             <entry>warn when defaulting happens</entry>
 666             <entry>dynamic</entry>
 667             <entry><option>-fno-warn-type-defaults</option></entry>
 668           </row>
 669
 670           <row>
 671             <entry><option>-fwarn-unused-binds</option></entry>
 672             <entry>warn about bindings that are unused</entry>
 673             <entry>dynamic</entry>
 674             <entry><option>-fno-warn-unused-binds</option></entry>
 675           </row>
 676
 677           <row>
 678             <entry><option>-fwarn-unused-imports</option></entry>
 679             <entry>warn about unnecessary imports</entry>
 680             <entry>dynamic</entry>
 681             <entry><option>-fno-warn-unused-imports</option></entry>
 682           </row>
 683
 684           <row>
 685             <entry><option>-fwarn-unused-matches</option></entry>
 686             <entry>warn about variables in patterns that aren't used</entry>
 687             <entry>dynamic</entry>
 688             <entry><option>-fno-warn-unused-matches</option></entry>
 689           </row>
 690
 691           </tbody>
 692         </tgroup>
 693       </informaltable>
 694
 695     </sect2>
 696     <sect2>
 697       <title>Optimisation levels (<xref linkend="options-optimise"/>)</title>
 698
 699       <informaltable>
 700         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 701           <thead>
 702             <row>
 703               <entry>Flag</entry>
 704               <entry>Description</entry>
 705               <entry>Static/Dynamic</entry>
 706               <entry>Reverse</entry>
 707             </row>
 708           </thead>
 709           <tbody>
 710             <row>
 711               <entry><option>-O</option></entry>
 712               <entry>Enable default optimisation (level 1)</entry>
 713               <entry>dynamic</entry>
 714               <entry><option>-O0</option></entry>
 715             </row>
 716             <row>
 717               <entry><option>-O</option><replaceable>n</replaceable></entry>
 718               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 719               <entry>dynamic</entry>
 720               <entry><option>-O0</option></entry>
 721             </row>
 722           </tbody>
 723         </tgroup>
 724       </informaltable>
 725
 726     </sect2>
 727     <sect2>
 728       <title>Individual optimisations (<xref linkend="options-f"/>)</title>
 729
 730       <informaltable>
 731         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 732           <thead>
 733             <row>
 734               <entry>Flag</entry>
 735               <entry>Description</entry>
 736               <entry>Static/Dynamic</entry>
 737               <entry>Reverse</entry>
 738             </row>
 739           </thead>
 740           <tbody>
 741             <row>
 742               <entry><option>-fcase-merge</option></entry>
 743               <entry>Enable case-merging</entry>
 744               <entry>dynamic</entry>
 745               <entry><option>-fno-case-merge</option></entry>
 746             </row>
 747
 748             <row>
 749               <entry><option>-fdicts-strict</option></entry>
 750               <entry>Make dictionaries strict</entry>
 751               <entry>static</entry>
 752               <entry><option>-fno-dicts-strict</option></entry>
 753             </row>
 754
 755             <row>
 756               <entry><option>-fdo-eta-reduction</option></entry>
 757               <entry>Enable eta-reduction</entry>
 758               <entry>dynamic</entry>
 759               <entry><option>-fno-do-eta-reduction</option></entry>
 760             </row>
 761
 762             <row>
 763               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 764               <entry>Enable lambda eta-reduction</entry>
 765               <entry>dynamic</entry>
 766               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 767             </row>
 768
 769             <row>
 770               <entry><option>-fexcess-precision</option></entry>
 771               <entry>Enable excess intermediate precision</entry>
 772               <entry>static</entry>
 773               <entry><option>-fno-excess-precision</option></entry>
 774             </row>
 775
 776             <row>
 777               <entry><option>-frules-off</option></entry>
 778               <entry>Switch off all rewrite rules (including rules
 779               generated by automatic specialisation of overloaded functions)</entry>
 780               <entry>static</entry>
 781               <entry><option>-frules-off</option></entry>
 782             </row>
 783
 784             <row>
 785               <entry><option>-fignore-asserts</option></entry>
 786               <entry>Ignore assertions in the source</entry>
 787               <entry>static</entry>
 788               <entry><option>-fno-ignore-asserts</option></entry>
 789             </row>
 790
 791             <row>
 792               <entry><option>-fignore-interface-pragmas</option></entry>
 793               <entry>Ignore pragmas in interface files</entry>
 794               <entry>static</entry>
 795               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 796             </row>
 797
 798             <row>
 799               <entry><option>-fliberate-case-threshold</option></entry>
 800               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 801               <entry>static</entry>
 802               <entry><option>-fno-liberate-case-threshold</option></entry>
 803             </row>
 804
 805             <row>
 806               <entry><option>-fomit-interface-pragmas</option></entry>
 807               <entry>Don't generate interface pragmas</entry>
 808               <entry>dynamic</entry>
 809               <entry><option>-fno-omit-interface-pragmas</option></entry>
 810             </row>
 811
 812             <row>
 813               <entry><option>-fmax-worker-args</option></entry>
 814               <entry>If a worker has that many arguments, none will be
 815                 unpacked anymore (default: 10)</entry>
 816               <entry>static</entry>
 817               <entry>-</entry>
 818             </row>
 819
 820             <row>
 821               <entry><option>-fmax-simplifier-iterations</option></entry>
 822               <entry>Set the max iterations for the simplifier</entry>
 823               <entry>dynamic</entry>
 824               <entry>-</entry>
 825             </row>
 826
 827             <row>
 828               <entry><option>-fno-state-hack</option></entry>
 829               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
 830               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
 831               <entry>static</entry>
 832               <entry>-</entry>
 833             </row>
 834
 835             <row>
 836               <entry><option>-fno-cpr</option></entry>
 837               <entry>Turn off CPR analysis</entry>
 838               <entry>static</entry>
 839               <entry>-fcpr</entry>
 840             </row>
 841
 842             <row>
 843               <entry><option>-fno-cse</option></entry>
 844               <entry>Turn off common sub-expression</entry>
 845               <entry>dynamic</entry>
 846               <entry>-</entry>
 847             </row>
 848
 849             <row>
 850               <entry><option>-fno-full-laziness</option></entry>
 851               <entry>Turn off full laziness (floating bindings outwards).  It is on by default.</entry>
 852               <entry>dynamic</entry>
 853               <entry>-ffull-laziness</entry>
 854             </row>
 855
 856             <row>
 857               <entry><option>-fno-pre-inlining</option></entry>
 858               <entry>Turn off pre-inlining</entry>
 859               <entry>static</entry>
 860               <entry>-</entry>
 861             </row>
 862
 863             <row>
 864               <entry><option>-fno-strictness</option></entry>
 865               <entry>Turn off strictness analysis</entry>
 866               <entry>dynamic</entry>
 867               <entry>-</entry>
 868             </row>
 869
 870             <row>
 871               <entry><option>-fnumbers-strict</option></entry>
 872               <entry>Make numbers strict</entry>
 873               <entry>dynamic</entry>
 874               <entry><option>-fno-numbers-strict</option></entry>
 875             </row>
 876
 877             <row>
 878               <entry><option>-funbox-strict-fields</option></entry>
 879               <entry>Flatten strict constructor fields</entry>
 880               <entry>dynamic</entry>
 881               <entry><option>-fno-unbox-strict-fields</option></entry>
 882             </row>
 883
 884             <row>
 885               <entry><option>-funfolding-creation-threshold</option></entry>
 886               <entry>Tweak unfolding settings</entry>
 887               <entry>static</entry>
 888               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 889             </row>
 890
 891             <row>
 892               <entry><option>-funfolding-fun-discount</option></entry>
 893               <entry>Tweak unfolding settings</entry>
 894               <entry>static</entry>
 895               <entry><option>-fno-unfolding-fun-discount</option></entry>
 896             </row>
 897
 898             <row>
 899               <entry><option>-funfolding-keeness-factor</option></entry>
 900               <entry>Tweak unfolding settings</entry>
 901               <entry>static</entry>
 902               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 903             </row>
 904
 905             <row>
 906               <entry><option>-funfolding-update-in-place</option></entry>
 907               <entry>Tweak unfolding settings</entry>
 908               <entry>static</entry>
 909               <entry><option>-fno-unfolding-update-in-place</option></entry>
 910             </row>
 911
 912             <row>
 913               <entry><option>-funfolding-use-threshold</option></entry>
 914               <entry>Tweak unfolding settings</entry>
 915               <entry>static</entry>
 916               <entry><option>-fno-unfolding-use-threshold</option></entry>
 917             </row>
 918           </tbody>
 919         </tgroup>
 920       </informaltable>
 921     </sect2>
 922
 923     <sect2>
 924       <title>Profiling options (<xref linkend="profiling"/>)</title>
 925
 926       <informaltable>
 927         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 928           <thead>
 929             <row>
 930               <entry>Flag</entry>
 931               <entry>Description</entry>
 932               <entry>Static/Dynamic</entry>
 933               <entry>Reverse</entry>
 934             </row>
 935           </thead>
 936           <tbody>
 937             <row>
 938               <entry><option>-auto</option></entry>
 939               <entry>Auto-add <literal>_scc_</literal>s to all
 940               exported functions</entry>
 941               <entry>static</entry>
 942               <entry><option>-no-auto</option></entry>
 943             </row>
 944             <row>
 945               <entry><option>-auto-all</option></entry>
 946               <entry>Auto-add <literal>_scc_</literal>s to all
 947               top-level functions</entry>
 948               <entry>static</entry>
 949               <entry><option>-no-auto-all</option></entry>
 950             </row>
 951             <row>
 952               <entry><option>-auto-dicts</option></entry>
 953               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
 954               <entry>static</entry>
 955               <entry><option>-no-auto-dicts</option></entry>
 956             </row>
 957             <row>
 958               <entry><option>-caf-all</option></entry>
 959               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
 960               <entry>static</entry>
 961               <entry><option>-no-caf-all</option></entry>
 962             </row>
 963             <row>
 964               <entry><option>-prof</option></entry>
 965               <entry>Turn on profiling</entry>
 966               <entry>static</entry>
 967               <entry>-</entry>
 968             </row>
 969             <row>
 970               <entry><option>-ticky</option></entry>
 971               <entry>Turn on ticky-ticky profiling</entry>
 972               <entry>static</entry>
 973               <entry>-</entry>
 974             </row>
 975           </tbody>
 976         </tgroup>
 977       </informaltable>
 978     </sect2>
 979
 980     <sect2>
 981       <title>Parallelism options (<xref linkend="sec-using-parallel"/>)</title>
 982
 983       <informaltable>
 984         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 985           <thead>
 986             <row>
 987               <entry>Flag</entry>
 988               <entry>Description</entry>
 989               <entry>Static/Dynamic</entry>
 990               <entry>Reverse</entry>
 991             </row>
 992           </thead>
 993           <tbody>
 994             <row>
 995               <entry><option>-gransim</option></entry>
 996               <entry>Enable GRANSIM</entry>
 997               <entry>static</entry>
 998               <entry>-</entry>
 999             </row>
1000             <row>
1001               <entry><option>-parallel</option></entry>
1002               <entry>Enable Parallel Haskell</entry>
1003               <entry>static</entry>
1004               <entry>-</entry>
1005             </row>
1006             <row>
1007               <entry><option>-smp</option></entry>
1008               <entry>Enable SMP support</entry>
1009               <entry>static</entry>
1010               <entry>-</entry>
1011             </row>
1012           </tbody>
1013         </tgroup>
1014       </informaltable>
1015     </sect2>
1016
1017     <sect2>
1018       <title>C pre-processor options (<xref linkend="c-pre-processor"/>)</title>
1019
1020       <informaltable>
1021         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1022           <thead>
1023             <row>
1024               <entry>Flag</entry>
1025               <entry>Description</entry>
1026               <entry>Static/Dynamic</entry>
1027               <entry>Reverse</entry>
1028             </row>
1029           </thead>
1030           <tbody>
1031             <row>
1032               <entry><option>-cpp</option></entry>
1033               <entry>Run the C pre-processor on Haskell source files</entry>
1034               <entry>dynamic</entry>
1035               <entry>-</entry>
1036             </row>
1037             <row>
1038               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1039               <entry>Define a symbol in the C pre-processor</entry>
1040               <entry>dynamic</entry>
1041               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1042             </row>
1043             <row>
1044               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1045               <entry>Undefine a symbol in the C pre-processor</entry>
1046               <entry>dynamic</entry>
1047               <entry>-</entry>
1048             </row>
1049             <row>
1050               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1051               <entry>Add <replaceable>dir</replaceable> to the
1052               directory search list for <literal>#include</literal> files</entry>
1053               <entry>static</entry>
1054               <entry>-</entry>
1055             </row>
1056           </tbody>
1057         </tgroup>
1058       </informaltable>
1059     </sect2>
1060
1061     <sect2>
1062       <title>C compiler options (<xref linkend="options-C-compiler"/>)</title>
1063       <informaltable>
1064         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1065           <thead>
1066             <row>
1067               <entry>Flag</entry>
1068               <entry>Description</entry>
1069               <entry>Static/Dynamic</entry>
1070               <entry>Reverse</entry>
1071             </row>
1072           </thead>
1073           <tbody>
1074             <row>
1075               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1076               <entry>Include <replaceable>file</replaceable> when
1077               compiling the <filename>.hc</filename> file</entry>
1078               <entry>dynamic</entry>
1079               <entry>-</entry>
1080             </row>
1081           </tbody>
1082         </tgroup>
1083       </informaltable>
1084     </sect2>
1085
1086     <sect2>
1087       <title>Code generation options (<xref linkend="options-codegen"/>)</title>
1088
1089       <informaltable>
1090         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1091           <thead>
1092             <row>
1093               <entry>Flag</entry>
1094               <entry>Description</entry>
1095               <entry>Static/Dynamic</entry>
1096               <entry>Reverse</entry>
1097             </row>
1098           </thead>
1099           <tbody>
1100             <row>
1101               <entry><option>-fasm</option></entry>
1102               <entry>Use the native code generator</entry>
1103               <entry>dynamic</entry>
1104               <entry>-fvia-C</entry>
1105             </row>
1106             <row>
1107               <entry><option>-fvia-C</option></entry>
1108               <entry>Compile via C</entry>
1109               <entry>dynamic</entry>
1110               <entry>-fasm</entry>
1111             </row>
1112             <row>
1113               <entry><option>-fno-code</option></entry>
1114               <entry>Omit code generation</entry>
1115               <entry>static</entry>
1116               <entry>-</entry>
1117             </row>
1118           </tbody>
1119         </tgroup>
1120       </informaltable>
1121     </sect2>
1122
1123     <sect2>
1124       <title>Linking options (<xref linkend="options-linker"/>)</title>
1125
1126       <informaltable>
1127         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1128           <thead>
1129             <row>
1130               <entry>Flag</entry>
1131               <entry>Description</entry>
1132               <entry>Static/Dynamic</entry>
1133               <entry>Reverse</entry>
1134             </row>
1135           </thead>
1136           <tbody>
1137             <row>
1138               <entry><option>-dynamic</option></entry>
1139               <entry>Use dynamic Haskell libraries (if available)</entry>
1140               <entry>static</entry>
1141               <entry>-</entry>
1142             </row>
1143             <row>
1144               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1145               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1146                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1147               <entry>static</entry>
1148               <entry>-</entry>
1149             </row>
1150             <row>
1151               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1152               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1153                 directories searched for frameworks.
1154                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1155               <entry>static</entry>
1156               <entry>-</entry>
1157             </row>
1158             <row>
1159               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1160               <entry>Link in library <replaceable>lib</replaceable></entry>
1161               <entry>static</entry>
1162               <entry>-</entry>
1163             </row>
1164             <row>
1165               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1166               <entry>Add <replaceable>dir</replaceable> to the list of
1167               directories searched for libraries</entry>
1168               <entry>static</entry>
1169               <entry>-</entry>
1170             </row>
1171             <row>
1172               <entry><option>-main-is</option></entry>
1173               <entry>Set main function</entry>
1174               <entry>static</entry>
1175               <entry>-</entry>
1176             </row>
1177             <row>
1178               <entry><option>-no-hs-main</option></entry>
1179               <entry>Don't assume this program contains <literal>main</literal></entry>
1180               <entry>static</entry>
1181               <entry>-</entry>
1182             </row>
1183             <row>
1184               <entry><option>-no-link</option></entry>
1185               <entry>Omit linking</entry>
1186               <entry>static</entry>
1187               <entry>-</entry>
1188             </row>
1189             <row>
1190               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1191               <entry>Link in package <replaceable>name</replaceable></entry>
1192               <entry>static</entry>
1193               <entry>-</entry>
1194             </row>
1195             <row>
1196               <entry><option>-split-objs</option></entry>
1197               <entry>Split objects (for libraries)</entry>
1198               <entry>static</entry>
1199               <entry>-</entry>
1200             </row>
1201             <row>
1202               <entry><option>-static</option></entry>
1203               <entry>Use static Haskell libraries</entry>
1204               <entry>static</entry>
1205               <entry>-</entry>
1206             </row>
1207             <row>
1208               <entry><option>-threaded</option></entry>
1209               <entry>Use the threaded runtime</entry>
1210               <entry>static</entry>
1211               <entry>-</entry>
1212             </row>
1213             <row>
1214               <entry><option>-debug</option></entry>
1215               <entry>Use the debugging runtime</entry>
1216               <entry>static</entry>
1217               <entry>-</entry>
1218             </row>
1219           </tbody>
1220         </tgroup>
1221       </informaltable>
1222     </sect2>
1223
1224     <sect2>
1225       <title>Replacing phases (<xref linkend="replacing-phases"/>)</title>
1226
1227       <informaltable>
1228         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1229           <thead>
1230             <row>
1231               <entry>Flag</entry>
1232               <entry>Description</entry>
1233               <entry>Static/Dynamic</entry>
1234               <entry>Reverse</entry>
1235             </row>
1236           </thead>
1237           <tbody>
1238             <row>
1239               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1240               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1241               <entry>static</entry>
1242               <entry>-</entry>
1243             </row>
1244             <row>
1245               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1246               <entry>Use <replaceable>cmd</replaceable> as the C
1247               pre-processor (with <option>-cpp</option> only)</entry>
1248               <entry>static</entry> <entry>-</entry>
1249             </row>
1250             <row>
1251               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1252               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1253               <entry>static</entry>
1254               <entry>-</entry>
1255             </row>
1256             <row>
1257               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1258               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1259               <entry>static</entry>
1260               <entry>-</entry>
1261             </row>
1262             <row>
1263               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1264               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1265               <entry>static</entry>
1266               <entry>-</entry>
1267             </row>
1268             <row>
1269               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1270               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1271               <entry>static</entry>
1272               <entry>-</entry>
1273             </row>
1274             <row>
1275               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1276               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1277               <entry>static</entry>
1278               <entry>-</entry>
1279             </row>
1280             <row>
1281               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1282               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1283               (with <option>-F</option> only)</entry>
1284               <entry>static</entry>
1285               <entry>-</entry>
1286             </row>
1287           </tbody>
1288         </tgroup>
1289       </informaltable>
1290       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1291       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1292       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1293       <indexterm><primary><option>-pgma</option></primary></indexterm>
1294       <indexterm><primary><option>-pgml</option></primary></indexterm>
1295       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1296       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1297       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1298
1299     </sect2>
1300
1301     <sect2>
1302       <title>Forcing options to particular phases (<xref linkend="forcing-options-through"/>)</title>
1303
1304       <informaltable>
1305         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1306           <thead>
1307             <row>
1308               <entry>Flag</entry>
1309               <entry>Description</entry>
1310               <entry>Static/Dynamic</entry>
1311               <entry>Reverse</entry>
1312             </row>
1313           </thead>
1314           <tbody>
1315             <row>
1316               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1317               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1318               <entry>dynamic</entry>
1319               <entry>-</entry>
1320             </row>
1321             <row>
1322               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1323               <entry>pass <replaceable>option</replaceable> to cpp (with
1324               <option>-cpp</option> only)</entry>
1325               <entry>dynamic</entry>
1326               <entry>-</entry>
1327             </row>
1328             <row>
1329               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1330               <entry>pass <replaceable>option</replaceable> to the
1331               custom pre-processor</entry>
1332               <entry>dynamic</entry>
1333               <entry>-</entry>
1334             </row>
1335             <row>
1336               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1337               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1338               <entry>dynamic</entry>
1339               <entry>-</entry>
1340             </row>
1341             <row>
1342               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1343               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1344               <entry>dynamic</entry>
1345               <entry>-</entry>
1346             </row>
1347             <row>
1348               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1349               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1350               <entry>static</entry>
1351               <entry>-</entry>
1352             </row>
1353             <row>
1354               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1355               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1356               <entry>static</entry>
1357               <entry>-</entry>
1358             </row>
1359             <row>
1360               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1361               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1362               <entry>static</entry>
1363               <entry>-</entry>
1364             </row>
1365           </tbody>
1366         </tgroup>
1367       </informaltable>
1368     </sect2>
1369
1370     <sect2>
1371       <title>Platform-specific options (<xref linkend="options-platform"/>)</title>
1372
1373       <informaltable>
1374         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1375           <thead>
1376             <row>
1377               <entry>Flag</entry>
1378               <entry>Description</entry>
1379               <entry>Static/Dynamic</entry>
1380               <entry>Reverse</entry>
1381             </row>
1382           </thead>
1383           <tbody>
1384             <row>
1385               <entry><option>-mv8</option></entry>
1386               <entry>(SPARC only) enable version 8 support</entry>
1387               <entry>static</entry>
1388               <entry>-</entry>
1389             </row>
1390             <row>
1391               <entry><option>-monly-[32]-regs</option></entry>
1392               <entry>(x86 only) give some registers back to the C compiler</entry>
1393               <entry>dynamic</entry>
1394               <entry>-</entry>
1395             </row>
1396           </tbody>
1397         </tgroup>
1398       </informaltable>
1399     </sect2>
1400
1401
1402     <sect2>
1403       <title>External core file options (<xref linkend="ext-core"/>)</title>
1404
1405       <informaltable>
1406         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1407           <thead>
1408             <row>
1409               <entry>Flag</entry>
1410               <entry>Description</entry>
1411               <entry>Static/Dynamic</entry>
1412               <entry>Reverse</entry>
1413             </row>
1414           </thead>
1415           <tbody>
1416             <row>
1417               <entry><option>-fext-core</option></entry>
1418               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1419               <entry>static</entry>
1420               <entry>-</entry>
1421             </row>
1422           </tbody>
1423         </tgroup>
1424       </informaltable>
1425     </sect2>
1426
1427
1428     <sect2>
1429       <title>Compiler debugging options (<xref linkend="options-debugging"/>)</title>
1430
1431       <informaltable>
1432         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1433           <thead>
1434             <row>
1435               <entry>Flag</entry>
1436               <entry>Description</entry>
1437               <entry>Static/Dynamic</entry>
1438               <entry>Reverse</entry>
1439             </row>
1440           </thead>
1441           <tbody>
1442             <row>
1443               <entry><option>-dcore-lint</option></entry>
1444               <entry>Turn on internal sanity checking</entry>
1445               <entry>dynamic</entry>
1446               <entry>-</entry>
1447             </row>
1448             <row>
1449               <entry><option>-ddump-absC</option></entry>
1450               <entry>Dump abstract C</entry>
1451               <entry>dynamic</entry>
1452               <entry>-</entry>
1453             </row>
1454             <row>
1455               <entry><option>-ddump-asm</option></entry>
1456               <entry>Dump assembly</entry>
1457               <entry>dynamic</entry>
1458               <entry>-</entry>
1459             </row>
1460             <row>
1461               <entry><option>-ddump-bcos</option></entry>
1462               <entry>Dump interpreter byte code</entry>
1463               <entry>dynamic</entry>
1464               <entry>-</entry>
1465             </row>
1466             <row>
1467               <entry><option>-ddump-cpranal</option></entry>
1468               <entry>Dump output from CPR analysis</entry>
1469               <entry>dynamic</entry>
1470               <entry>-</entry>
1471             </row>
1472             <row>
1473               <entry><option>-ddump-cse</option></entry>
1474               <entry>Dump CSE output</entry>
1475               <entry>dynamic</entry>
1476               <entry>-</entry>
1477             </row>
1478             <row>
1479               <entry><option>-ddump-deriv</option></entry>
1480               <entry>Dump deriving output</entry>
1481               <entry>dynamic</entry>
1482               <entry>-</entry>
1483             </row>
1484             <row>
1485               <entry><option>-ddump-ds</option></entry>
1486               <entry>Dump desugarer output</entry>
1487               <entry>dynamic</entry>
1488               <entry>-</entry>
1489             </row>
1490             <row>
1491               <entry><option>-ddump-flatC</option></entry>
1492               <entry>Dump &ldquo;flat&rdquo; C</entry>
1493               <entry>dynamic</entry>
1494               <entry>-</entry>
1495             </row>
1496             <row>
1497               <entry><option>-ddump-foreign</option></entry>
1498               <entry>Dump <literal>foreign export</literal> stubs</entry>
1499               <entry>dynamic</entry>
1500               <entry>-</entry>
1501             </row>
1502             <row>
1503               <entry><option>-ddump-inlinings</option></entry>
1504               <entry>Dump inlining info</entry>
1505               <entry>dynamic</entry>
1506               <entry>-</entry>
1507             </row>
1508             <row>
1509               <entry><option>-ddump-occur-anal</option></entry>
1510               <entry>Dump occurrence analysis output</entry>
1511               <entry>dynamic</entry>
1512               <entry>-</entry>
1513             </row>
1514             <row>
1515               <entry><option>-ddump-parsed</option></entry>
1516               <entry>Dump parse tree</entry>
1517               <entry>dynamic</entry>
1518               <entry>-</entry>
1519             </row>
1520             <row>
1521               <entry><option>-ddump-realC</option></entry>
1522               <entry>Dump &ldquo;real&rdquo; C</entry>
1523               <entry>dynamic</entry>
1524               <entry>-</entry>
1525             </row>
1526             <row>
1527               <entry><option>-ddump-rn</option></entry>
1528               <entry>Dump renamer output</entry>
1529               <entry>dynamic</entry>
1530               <entry>-</entry>
1531             </row>
1532             <row>
1533               <entry><option>-ddump-rules</option></entry>
1534               <entry>Dump rules</entry>
1535               <entry>dynamic</entry>
1536               <entry>-</entry>
1537             </row>
1538             <row>
1539               <entry><option>-ddump-sat</option></entry>
1540               <entry>Dump saturated output</entry>
1541               <entry>dynamic</entry>
1542               <entry>-</entry>
1543             </row>
1544             <row>
1545               <entry><option>-ddump-simpl</option></entry>
1546               <entry>Dump final simplifier output</entry>
1547               <entry>dynamic</entry>
1548               <entry>-</entry>
1549             </row>
1550             <row>
1551               <entry><option>-ddump-simpl-iterations</option></entry>
1552               <entry>Dump output from each simplifier iteration</entry>
1553               <entry>dynamic</entry>
1554               <entry>-</entry>
1555             </row>
1556             <row>
1557               <entry><option>-ddump-spec</option></entry>
1558               <entry>Dump specialiser output</entry>
1559               <entry>dynamic</entry>
1560               <entry>-</entry>
1561             </row>
1562             <row>
1563               <entry><option>-ddump-stg</option></entry>
1564               <entry>Dump final STG</entry>
1565               <entry>dynamic</entry>
1566               <entry>-</entry>
1567             </row>
1568             <row>
1569               <entry><option>-ddump-stranal</option></entry>
1570               <entry>Dump strictness analyser output</entry>
1571               <entry>dynamic</entry>
1572               <entry>-</entry>
1573             </row>
1574             <row>
1575               <entry><option>-ddump-tc</option></entry>
1576               <entry>Dump typechecker output</entry>
1577               <entry>dynamic</entry>
1578               <entry>-</entry>
1579             </row>
1580             <row>
1581               <entry><option>-ddump-types</option></entry>
1582               <entry>Dump type signatures</entry>
1583               <entry>dynamic</entry>
1584               <entry>-</entry>
1585             </row>
1586             <row>
1587               <entry><option>-ddump-usagesp</option></entry>
1588               <entry>Dump UsageSP analysis output</entry>
1589               <entry>dynamic</entry>
1590               <entry>-</entry>
1591             </row>
1592             <row>
1593               <entry><option>-ddump-worker-wrapper</option></entry>
1594               <entry>Dump worker-wrapper output</entry>
1595               <entry>dynamic</entry>
1596               <entry>-</entry>
1597             </row>
1598             <row>
1599               <entry><option>-ddump-rn-trace</option></entry>
1600               <entry>Trace renamer</entry>
1601               <entry>dynamic</entry>
1602               <entry>-</entry>
1603             </row>
1604             <row>
1605               <entry><option>-ddump-rn-stats</option></entry>
1606               <entry>Renamer stats</entry>
1607               <entry>dynamic</entry>
1608               <entry>-</entry>
1609             </row>
1610             <row>
1611               <entry><option>-ddump-stix</option></entry>
1612               <entry>Native code generator intermediate form</entry>
1613               <entry>dynamic</entry>
1614               <entry>-</entry>
1615             </row>
1616             <row>
1617               <entry><option>-ddump-simpl-stats</option></entry>
1618               <entry>Dump simplifier stats</entry>
1619               <entry>dynamic</entry>
1620               <entry>-</entry>
1621             </row>
1622             <row>
1623               <entry><option>-dppr-debug</option></entry>
1624               <entry>Turn on debug printing (more verbose)</entry>
1625               <entry>static</entry>
1626               <entry>-</entry>
1627             </row>
1628             <row>
1629               <entry><option>-dppr-noprags</option></entry>
1630               <entry>Don't output pragma info in dumps</entry>
1631               <entry>static</entry>
1632               <entry>-</entry>
1633             </row>
1634             <row>
1635               <entry><option>-dppr-user-length</option></entry>
1636               <entry>Set the depth for printing expressions in error msgs</entry>
1637               <entry>static</entry>
1638               <entry>-</entry>
1639             </row>
1640             <row>
1641               <entry><option>-dsource-stats</option></entry>
1642               <entry>Dump haskell source stats</entry>
1643               <entry>dynamic</entry>
1644               <entry>-</entry>
1645             </row>
1646             <row>
1647               <entry><option>-dstg-lint</option></entry>
1648               <entry>STG pass sanity checking</entry>
1649               <entry>dynamic</entry>
1650               <entry>-</entry>
1651             </row>
1652             <row>
1653               <entry><option>-dstg-stats</option></entry>
1654               <entry>Dump STG stats</entry>
1655               <entry>dynamic</entry>
1656               <entry>-</entry>
1657             </row>
1658             <row>
1659               <entry><option>-dusagesp-lint</option></entry>
1660               <entry>UsageSP sanity checker</entry>
1661               <entry>dynamic</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-dverbose-core2core</option></entry>
1666               <entry>Show output from each core-to-core pass</entry>
1667               <entry>dynamic</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-dverbose-stg2stg</option></entry>
1672               <entry>Show output from each STG-to-STG pass</entry>
1673               <entry>dynamic</entry>
1674               <entry>-</entry>
1675             </row>
1676             <row>
1677               <entry><option>-unreg</option></entry>
1678               <entry>Enable unregisterised compilation</entry>
1679               <entry>static</entry>
1680               <entry>-</entry>
1681             </row>
1682           </tbody>
1683         </tgroup>
1684       </informaltable>
1685     </sect2>
1686
1687     <sect2>
1688       <title>Misc compiler options</title>
1689
1690       <informaltable>
1691         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1692           <thead>
1693             <row>
1694               <entry>Flag</entry>
1695               <entry>Description</entry>
1696               <entry>Static/Dynamic</entry>
1697               <entry>Reverse</entry>
1698             </row>
1699           </thead>
1700           <tbody>
1701             <row>
1702               <entry><option>-femit-extern-decls</option></entry>
1703               <entry>???</entry>
1704               <entry>static</entry>
1705               <entry>-</entry>
1706             </row>
1707             <row>
1708               <entry><option>-fglobalise-toplev-names</option></entry>
1709               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1710               <entry>static</entry>
1711               <entry>-</entry>
1712             </row>
1713             <row>
1714               <entry><option>-fno-hi-version-check</option></entry>
1715               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1716               <entry>static</entry>
1717               <entry>-</entry>
1718             </row>
1719             <row>
1720               <entry><option>-dno-black-holing</option></entry>
1721               <entry>Turn off black holing (probably doesn't work)</entry>
1722               <entry>static</entry>
1723               <entry>-</entry>
1724             </row>
1725             <row>
1726               <entry><option>-fno-method-sharing</option></entry>
1727               <entry>Don't share specialisations of overloaded functions</entry>
1728               <entry>static</entry>
1729               <entry>-</entry>
1730             </row>
1731             <row>
1732               <entry><option>-fno-prune-decls</option></entry>
1733               <entry>Renamer: don't prune declarations</entry>
1734               <entry>static</entry>
1735               <entry>-</entry>
1736             </row>
1737             <row>
1738               <entry><option>-fhistory-size</option></entry>
1739               <entry>Set simplification history size</entry>
1740               <entry>static</entry>
1741               <entry>-</entry>
1742             </row>
1743             <row>
1744               <entry><option>-funregisterised</option></entry>
1745               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1746               <entry>static</entry>
1747               <entry>-</entry>
1748             </row>
1749             <row>
1750               <entry><option>-fno-asm-mangling</option></entry>
1751               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1752               <entry>static</entry>
1753               <entry>-</entry>
1754             </row>
1755           </tbody>
1756         </tgroup>
1757       </informaltable>
1758     </sect2>
1759   </sect1>
1760
1761
1762 <!--
1763 Still to document:
1764
1765 Misc:
1766   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1767   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1768
1769   -Bdir
1770 -->
1771
1772 <!-- Emacs stuff:
1773      ;;; Local Variables: ***
1774      ;;; mode: xml ***
1775      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1776      ;;; End: ***
1777  -->