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