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.
 499               Implied by <option>-fglasgow-exts</option>.</entry>
 500               <entry>dynamic</entry>
 501               <entry><option>-fno-implicit-params</option></entry>
 502             </row>
 503             <row>
 504               <entry><option>-firrefutable-tuples</option></entry>
 505               <entry>Make tuple pattern matching irrefutable</entry>
 506               <entry>dynamic</entry>
 507               <entry><option>-fno-irrefutable-tuples</option></entry>
 508             </row>
 509             <row>
 510               <entry><option>-fno-implicit-prelude</option></entry>
 511               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 512               <entry>dynamic</entry>
 513               <entry><option>-fimplicit-prelude</option></entry>
 514             </row>
 515             <row>
 516               <entry><option>-fno-monomorphism-restriction</option></entry>
 517               <entry>Disable the monomorphism restriction</entry>
 518               <entry>dynamic</entry>
 519               <entry><option>-fmonomorphism-restriction</option></entry>
 520             </row>
 521             <row>
 522               <entry><option>-fscoped-type-variables</option></entry>
 523               <entry>Enable lexically-scoped type variables.
 524               Implied by <option>-fglasgow-exts</option>.</entry>
 525               <entry>dynamic</entry>
 526               <entry><option>-fno-scoped-type-variables</option></entry>
 527             </row>
 528             <row>
 529               <entry><option>-fth</option></entry>
 530               <entry>Enable Template Haskell.
 531                 Implied by <option>-fglasgow-exts</option>.</entry>
 532               <entry>dynamic</entry>
 533               <entry><option>-fno-th</option></entry>
 534             </row>
 535           </tbody>
 536         </tgroup>
 537       </informaltable>
 538     </sect2>
 539
 540     <sect2>
 541       <title>Warnings (<xref linkend="options-sanity"/>)</title>
 542
 543     <informaltable>
 544       <tgroup cols="3" align="left" colsep="1" rowsep="1">
 545         <thead>
 546           <row>
 547             <entry>Flag</entry>
 548             <entry>Description</entry>
 549             <entry>Static/Dynamic</entry>
 550             <entry>Reverse</entry>
 551           </row>
 552         </thead>
 553         <tbody>
 554           <row>
 555             <entry><option>-W</option></entry>
 556             <entry>enable normal warnings</entry>
 557             <entry>dynamic</entry>
 558             <entry><option>-w</option></entry>
 559           </row>
 560           <row>
 561             <entry><option>-w</option></entry>
 562             <entry>disable all warnings</entry>
 563             <entry>dynamic</entry>
 564             <entry>-</entry>
 565           </row>
 566           <row>
 567             <entry><option>-Wall</option></entry>
 568             <entry>enable all warnings</entry>
 569             <entry>dynamic</entry>
 570             <entry><option>-w</option></entry>
 571           </row>
 572           <row>
 573             <entry><option>-Werror</option></entry>
 574             <entry>make warnings fatal</entry>
 575             <entry>dynamic</entry>
 576             <entry></entry>
 577           </row>
 578
 579           <row>
 580             <entry><option>-fwarn-deprecations</option></entry>
 581             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 582             <entry>dynamic</entry>
 583             <entry><option>-fno-warn-deprecations</option></entry>
 584           </row>
 585
 586           <row>
 587             <entry><option>-fwarn-duplicate-exports</option></entry>
 588             <entry>warn when an entity is exported multiple times</entry>
 589             <entry>dynamic</entry>
 590             <entry><option>-fno-warn-duplicate-exports</option></entry>
 591           </row>
 592
 593           <row>
 594             <entry><option>-fwarn-hi-shadowing</option></entry>
 595             <entry>warn when a <literal>.hi</literal> file in the
 596             current directory shadows a library</entry>
 597             <entry>dynamic</entry>
 598             <entry><option>-fno-warn-hi-shadowing</option></entry>
 599           </row>
 600
 601           <row>
 602             <entry><option>-fwarn-incomplete-patterns</option></entry>
 603             <entry>warn when a pattern match could fail</entry>
 604             <entry>dynamic</entry>
 605             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 606           </row>
 607
 608           <row>
 609             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 610             <entry>warn when a record update could fail</entry>
 611             <entry>dynamic</entry>
 612             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 613           </row>
 614
 615           <row>
 616             <entry><option>-fwarn-misc</option></entry>
 617             <entry>enable miscellaneous warnings</entry>
 618             <entry>dynamic</entry>
 619             <entry><option>-fno-warn-misc</option></entry>
 620           </row>
 621
 622           <row>
 623             <entry><option>-fwarn-missing-fields</option></entry>
 624             <entry>warn when fields of a record are uninitialised</entry>
 625             <entry>dynamic</entry>
 626             <entry><option>-fno-warn-missing-fields</option></entry>
 627           </row>
 628
 629           <row>
 630             <entry><option>-fwarn-missing-methods</option></entry>
 631             <entry>warn when class methods are undefined</entry>
 632             <entry>dynamic</entry>
 633             <entry><option>-fno-warn-missing-methods</option></entry>
 634           </row>
 635
 636           <row>
 637             <entry><option>-fwarn-missing-signatures</option></entry>
 638             <entry>warn about top-level functions without signatures</entry>
 639             <entry>dynamic</entry>
 640             <entry><option>-fno-warn-missing-signatures</option></entry>
 641           </row>
 642
 643           <row>
 644             <entry><option>-fwarn-name-shadowing</option></entry>
 645             <entry>warn when names are shadowed</entry>
 646             <entry>dynamic</entry>
 647             <entry><option>-fno-warn-name-shadowing</option></entry>
 648           </row>
 649
 650           <row>
 651             <entry><option>-fwarn-oprhans</option></entry>
 652             <entry>warn when the module contains "orphan" instance declarations
 653             or rewrite rules</entry>
 654             <entry>dynamic</entry>
 655             <entry><option>-fno-warn-orphans</option></entry>
 656           </row>
 657
 658           <row>
 659             <entry><option>-fwarn-overlapping-patterns</option></entry>
 660             <entry>warn about overlapping patterns</entry>
 661             <entry>dynamic</entry>
 662             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 663           </row>
 664
 665           <row>
 666             <entry><option>-fwarn-simple-patterns</option></entry>
 667             <entry>warn about lambda-patterns that can fail</entry>
 668             <entry>dynamic</entry>
 669             <entry><option>-fno-warn-simple-patterns</option></entry>
 670           </row>
 671
 672           <row>
 673             <entry><option>-fwarn-type-defaults</option></entry>
 674             <entry>warn when defaulting happens</entry>
 675             <entry>dynamic</entry>
 676             <entry><option>-fno-warn-type-defaults</option></entry>
 677           </row>
 678
 679           <row>
 680             <entry><option>-fwarn-unused-binds</option></entry>
 681             <entry>warn about bindings that are unused</entry>
 682             <entry>dynamic</entry>
 683             <entry><option>-fno-warn-unused-binds</option></entry>
 684           </row>
 685
 686           <row>
 687             <entry><option>-fwarn-unused-imports</option></entry>
 688             <entry>warn about unnecessary imports</entry>
 689             <entry>dynamic</entry>
 690             <entry><option>-fno-warn-unused-imports</option></entry>
 691           </row>
 692
 693           <row>
 694             <entry><option>-fwarn-unused-matches</option></entry>
 695             <entry>warn about variables in patterns that aren't used</entry>
 696             <entry>dynamic</entry>
 697             <entry><option>-fno-warn-unused-matches</option></entry>
 698           </row>
 699
 700           </tbody>
 701         </tgroup>
 702       </informaltable>
 703
 704     </sect2>
 705     <sect2>
 706       <title>Optimisation levels (<xref linkend="options-optimise"/>)</title>
 707
 708       <informaltable>
 709         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 710           <thead>
 711             <row>
 712               <entry>Flag</entry>
 713               <entry>Description</entry>
 714               <entry>Static/Dynamic</entry>
 715               <entry>Reverse</entry>
 716             </row>
 717           </thead>
 718           <tbody>
 719             <row>
 720               <entry><option>-O</option></entry>
 721               <entry>Enable default optimisation (level 1)</entry>
 722               <entry>dynamic</entry>
 723               <entry><option>-O0</option></entry>
 724             </row>
 725             <row>
 726               <entry><option>-O</option><replaceable>n</replaceable></entry>
 727               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 728               <entry>dynamic</entry>
 729               <entry><option>-O0</option></entry>
 730             </row>
 731           </tbody>
 732         </tgroup>
 733       </informaltable>
 734
 735     </sect2>
 736     <sect2>
 737       <title>Individual optimisations (<xref linkend="options-f"/>)</title>
 738
 739       <informaltable>
 740         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 741           <thead>
 742             <row>
 743               <entry>Flag</entry>
 744               <entry>Description</entry>
 745               <entry>Static/Dynamic</entry>
 746               <entry>Reverse</entry>
 747             </row>
 748           </thead>
 749           <tbody>
 750             <row>
 751               <entry><option>-fcase-merge</option></entry>
 752               <entry>Enable case-merging</entry>
 753               <entry>dynamic</entry>
 754               <entry><option>-fno-case-merge</option></entry>
 755             </row>
 756
 757             <row>
 758               <entry><option>-fdicts-strict</option></entry>
 759               <entry>Make dictionaries strict</entry>
 760               <entry>static</entry>
 761               <entry><option>-fno-dicts-strict</option></entry>
 762             </row>
 763
 764             <row>
 765               <entry><option>-fdo-eta-reduction</option></entry>
 766               <entry>Enable eta-reduction</entry>
 767               <entry>dynamic</entry>
 768               <entry><option>-fno-do-eta-reduction</option></entry>
 769             </row>
 770
 771             <row>
 772               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 773               <entry>Enable lambda eta-reduction</entry>
 774               <entry>dynamic</entry>
 775               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 776             </row>
 777
 778             <row>
 779               <entry><option>-fexcess-precision</option></entry>
 780               <entry>Enable excess intermediate precision</entry>
 781               <entry>static</entry>
 782               <entry><option>-fno-excess-precision</option></entry>
 783             </row>
 784
 785             <row>
 786               <entry><option>-frules-off</option></entry>
 787               <entry>Switch off all rewrite rules (including rules
 788               generated by automatic specialisation of overloaded functions)</entry>
 789               <entry>static</entry>
 790               <entry><option>-frules-off</option></entry>
 791             </row>
 792
 793             <row>
 794               <entry><option>-fignore-asserts</option></entry>
 795               <entry>Ignore assertions in the source</entry>
 796               <entry>static</entry>
 797               <entry><option>-fno-ignore-asserts</option></entry>
 798             </row>
 799
 800             <row>
 801               <entry><option>-fignore-interface-pragmas</option></entry>
 802               <entry>Ignore pragmas in interface files</entry>
 803               <entry>static</entry>
 804               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 805             </row>
 806
 807             <row>
 808               <entry><option>-fliberate-case-threshold</option></entry>
 809               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 810               <entry>static</entry>
 811               <entry><option>-fno-liberate-case-threshold</option></entry>
 812             </row>
 813
 814             <row>
 815               <entry><option>-fomit-interface-pragmas</option></entry>
 816               <entry>Don't generate interface pragmas</entry>
 817               <entry>dynamic</entry>
 818               <entry><option>-fno-omit-interface-pragmas</option></entry>
 819             </row>
 820
 821             <row>
 822               <entry><option>-fmax-worker-args</option></entry>
 823               <entry>If a worker has that many arguments, none will be
 824                 unpacked anymore (default: 10)</entry>
 825               <entry>static</entry>
 826               <entry>-</entry>
 827             </row>
 828
 829             <row>
 830               <entry><option>-fmax-simplifier-iterations</option></entry>
 831               <entry>Set the max iterations for the simplifier</entry>
 832               <entry>dynamic</entry>
 833               <entry>-</entry>
 834             </row>
 835
 836             <row>
 837               <entry><option>-fno-state-hack</option></entry>
 838               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
 839               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
 840               <entry>static</entry>
 841               <entry>-</entry>
 842             </row>
 843
 844             <row>
 845               <entry><option>-fno-cpr</option></entry>
 846               <entry>Turn off CPR analysis</entry>
 847               <entry>static</entry>
 848               <entry>-fcpr</entry>
 849             </row>
 850
 851             <row>
 852               <entry><option>-fno-cse</option></entry>
 853               <entry>Turn off common sub-expression</entry>
 854               <entry>dynamic</entry>
 855               <entry>-</entry>
 856             </row>
 857
 858             <row>
 859               <entry><option>-fno-full-laziness</option></entry>
 860               <entry>Turn off full laziness (floating bindings outwards).  It is on by default.</entry>
 861               <entry>dynamic</entry>
 862               <entry>-ffull-laziness</entry>
 863             </row>
 864
 865             <row>
 866               <entry><option>-fno-pre-inlining</option></entry>
 867               <entry>Turn off pre-inlining</entry>
 868               <entry>static</entry>
 869               <entry>-</entry>
 870             </row>
 871
 872             <row>
 873               <entry><option>-fno-strictness</option></entry>
 874               <entry>Turn off strictness analysis</entry>
 875               <entry>dynamic</entry>
 876               <entry>-</entry>
 877             </row>
 878
 879             <row>
 880               <entry><option>-fnumbers-strict</option></entry>
 881               <entry>Make numbers strict</entry>
 882               <entry>dynamic</entry>
 883               <entry><option>-fno-numbers-strict</option></entry>
 884             </row>
 885
 886             <row>
 887               <entry><option>-funbox-strict-fields</option></entry>
 888               <entry>Flatten strict constructor fields</entry>
 889               <entry>dynamic</entry>
 890               <entry><option>-fno-unbox-strict-fields</option></entry>
 891             </row>
 892
 893             <row>
 894               <entry><option>-funfolding-creation-threshold</option></entry>
 895               <entry>Tweak unfolding settings</entry>
 896               <entry>static</entry>
 897               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 898             </row>
 899
 900             <row>
 901               <entry><option>-funfolding-fun-discount</option></entry>
 902               <entry>Tweak unfolding settings</entry>
 903               <entry>static</entry>
 904               <entry><option>-fno-unfolding-fun-discount</option></entry>
 905             </row>
 906
 907             <row>
 908               <entry><option>-funfolding-keeness-factor</option></entry>
 909               <entry>Tweak unfolding settings</entry>
 910               <entry>static</entry>
 911               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 912             </row>
 913
 914             <row>
 915               <entry><option>-funfolding-update-in-place</option></entry>
 916               <entry>Tweak unfolding settings</entry>
 917               <entry>static</entry>
 918               <entry><option>-fno-unfolding-update-in-place</option></entry>
 919             </row>
 920
 921             <row>
 922               <entry><option>-funfolding-use-threshold</option></entry>
 923               <entry>Tweak unfolding settings</entry>
 924               <entry>static</entry>
 925               <entry><option>-fno-unfolding-use-threshold</option></entry>
 926             </row>
 927           </tbody>
 928         </tgroup>
 929       </informaltable>
 930     </sect2>
 931
 932     <sect2>
 933       <title>Profiling options (<xref linkend="profiling"/>)</title>
 934
 935       <informaltable>
 936         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 937           <thead>
 938             <row>
 939               <entry>Flag</entry>
 940               <entry>Description</entry>
 941               <entry>Static/Dynamic</entry>
 942               <entry>Reverse</entry>
 943             </row>
 944           </thead>
 945           <tbody>
 946             <row>
 947               <entry><option>-auto</option></entry>
 948               <entry>Auto-add <literal>_scc_</literal>s to all
 949               exported functions</entry>
 950               <entry>static</entry>
 951               <entry><option>-no-auto</option></entry>
 952             </row>
 953             <row>
 954               <entry><option>-auto-all</option></entry>
 955               <entry>Auto-add <literal>_scc_</literal>s to all
 956               top-level functions</entry>
 957               <entry>static</entry>
 958               <entry><option>-no-auto-all</option></entry>
 959             </row>
 960             <row>
 961               <entry><option>-auto-dicts</option></entry>
 962               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
 963               <entry>static</entry>
 964               <entry><option>-no-auto-dicts</option></entry>
 965             </row>
 966             <row>
 967               <entry><option>-caf-all</option></entry>
 968               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
 969               <entry>static</entry>
 970               <entry><option>-no-caf-all</option></entry>
 971             </row>
 972             <row>
 973               <entry><option>-prof</option></entry>
 974               <entry>Turn on profiling</entry>
 975               <entry>static</entry>
 976               <entry>-</entry>
 977             </row>
 978             <row>
 979               <entry><option>-ticky</option></entry>
 980               <entry>Turn on ticky-ticky profiling</entry>
 981               <entry>static</entry>
 982               <entry>-</entry>
 983             </row>
 984           </tbody>
 985         </tgroup>
 986       </informaltable>
 987     </sect2>
 988
 989     <sect2>
 990       <title>Parallelism options (<xref linkend="sec-using-parallel"/>)</title>
 991
 992       <informaltable>
 993         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 994           <thead>
 995             <row>
 996               <entry>Flag</entry>
 997               <entry>Description</entry>
 998               <entry>Static/Dynamic</entry>
 999               <entry>Reverse</entry>
1000             </row>
1001           </thead>
1002           <tbody>
1003             <row>
1004               <entry><option>-gransim</option></entry>
1005               <entry>Enable GRANSIM</entry>
1006               <entry>static</entry>
1007               <entry>-</entry>
1008             </row>
1009             <row>
1010               <entry><option>-parallel</option></entry>
1011               <entry>Enable Parallel Haskell</entry>
1012               <entry>static</entry>
1013               <entry>-</entry>
1014             </row>
1015             <row>
1016               <entry><option>-smp</option></entry>
1017               <entry>Enable SMP support</entry>
1018               <entry>static</entry>
1019               <entry>-</entry>
1020             </row>
1021           </tbody>
1022         </tgroup>
1023       </informaltable>
1024     </sect2>
1025
1026     <sect2>
1027       <title>C pre-processor options (<xref linkend="c-pre-processor"/>)</title>
1028
1029       <informaltable>
1030         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1031           <thead>
1032             <row>
1033               <entry>Flag</entry>
1034               <entry>Description</entry>
1035               <entry>Static/Dynamic</entry>
1036               <entry>Reverse</entry>
1037             </row>
1038           </thead>
1039           <tbody>
1040             <row>
1041               <entry><option>-cpp</option></entry>
1042               <entry>Run the C pre-processor on Haskell source files</entry>
1043               <entry>dynamic</entry>
1044               <entry>-</entry>
1045             </row>
1046             <row>
1047               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1048               <entry>Define a symbol in the C pre-processor</entry>
1049               <entry>dynamic</entry>
1050               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1051             </row>
1052             <row>
1053               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1054               <entry>Undefine a symbol in the C pre-processor</entry>
1055               <entry>dynamic</entry>
1056               <entry>-</entry>
1057             </row>
1058             <row>
1059               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1060               <entry>Add <replaceable>dir</replaceable> to the
1061               directory search list for <literal>#include</literal> files</entry>
1062               <entry>static</entry>
1063               <entry>-</entry>
1064             </row>
1065           </tbody>
1066         </tgroup>
1067       </informaltable>
1068     </sect2>
1069
1070     <sect2>
1071       <title>C compiler options (<xref linkend="options-C-compiler"/>)</title>
1072       <informaltable>
1073         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1074           <thead>
1075             <row>
1076               <entry>Flag</entry>
1077               <entry>Description</entry>
1078               <entry>Static/Dynamic</entry>
1079               <entry>Reverse</entry>
1080             </row>
1081           </thead>
1082           <tbody>
1083             <row>
1084               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1085               <entry>Include <replaceable>file</replaceable> when
1086               compiling the <filename>.hc</filename> file</entry>
1087               <entry>dynamic</entry>
1088               <entry>-</entry>
1089             </row>
1090           </tbody>
1091         </tgroup>
1092       </informaltable>
1093     </sect2>
1094
1095     <sect2>
1096       <title>Code generation options (<xref linkend="options-codegen"/>)</title>
1097
1098       <informaltable>
1099         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1100           <thead>
1101             <row>
1102               <entry>Flag</entry>
1103               <entry>Description</entry>
1104               <entry>Static/Dynamic</entry>
1105               <entry>Reverse</entry>
1106             </row>
1107           </thead>
1108           <tbody>
1109             <row>
1110               <entry><option>-fasm</option></entry>
1111               <entry>Use the native code generator</entry>
1112               <entry>dynamic</entry>
1113               <entry>-fvia-C</entry>
1114             </row>
1115             <row>
1116               <entry><option>-fvia-C</option></entry>
1117               <entry>Compile via C</entry>
1118               <entry>dynamic</entry>
1119               <entry>-fasm</entry>
1120             </row>
1121             <row>
1122               <entry><option>-fno-code</option></entry>
1123               <entry>Omit code generation</entry>
1124               <entry>static</entry>
1125               <entry>-</entry>
1126             </row>
1127           </tbody>
1128         </tgroup>
1129       </informaltable>
1130     </sect2>
1131
1132     <sect2>
1133       <title>Linking options (<xref linkend="options-linker"/>)</title>
1134
1135       <informaltable>
1136         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1137           <thead>
1138             <row>
1139               <entry>Flag</entry>
1140               <entry>Description</entry>
1141               <entry>Static/Dynamic</entry>
1142               <entry>Reverse</entry>
1143             </row>
1144           </thead>
1145           <tbody>
1146             <row>
1147               <entry><option>-dynamic</option></entry>
1148               <entry>Use dynamic Haskell libraries (if available)</entry>
1149               <entry>static</entry>
1150               <entry>-</entry>
1151             </row>
1152             <row>
1153               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1154               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1155                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1156               <entry>static</entry>
1157               <entry>-</entry>
1158             </row>
1159             <row>
1160               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1161               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1162                 directories searched for frameworks.
1163                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1164               <entry>static</entry>
1165               <entry>-</entry>
1166             </row>
1167             <row>
1168               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1169               <entry>Link in library <replaceable>lib</replaceable></entry>
1170               <entry>static</entry>
1171               <entry>-</entry>
1172             </row>
1173             <row>
1174               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1175               <entry>Add <replaceable>dir</replaceable> to the list of
1176               directories searched for libraries</entry>
1177               <entry>static</entry>
1178               <entry>-</entry>
1179             </row>
1180             <row>
1181               <entry><option>-main-is</option></entry>
1182               <entry>Set main function</entry>
1183               <entry>static</entry>
1184               <entry>-</entry>
1185             </row>
1186             <row>
1187               <entry><option>-no-hs-main</option></entry>
1188               <entry>Don't assume this program contains <literal>main</literal></entry>
1189               <entry>static</entry>
1190               <entry>-</entry>
1191             </row>
1192             <row>
1193               <entry><option>-no-link</option></entry>
1194               <entry>Omit linking</entry>
1195               <entry>static</entry>
1196               <entry>-</entry>
1197             </row>
1198             <row>
1199               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1200               <entry>Link in package <replaceable>name</replaceable></entry>
1201               <entry>static</entry>
1202               <entry>-</entry>
1203             </row>
1204             <row>
1205               <entry><option>-split-objs</option></entry>
1206               <entry>Split objects (for libraries)</entry>
1207               <entry>static</entry>
1208               <entry>-</entry>
1209             </row>
1210             <row>
1211               <entry><option>-static</option></entry>
1212               <entry>Use static Haskell libraries</entry>
1213               <entry>static</entry>
1214               <entry>-</entry>
1215             </row>
1216             <row>
1217               <entry><option>-threaded</option></entry>
1218               <entry>Use the threaded runtime</entry>
1219               <entry>static</entry>
1220               <entry>-</entry>
1221             </row>
1222             <row>
1223               <entry><option>-debug</option></entry>
1224               <entry>Use the debugging runtime</entry>
1225               <entry>static</entry>
1226               <entry>-</entry>
1227             </row>
1228           </tbody>
1229         </tgroup>
1230       </informaltable>
1231     </sect2>
1232
1233     <sect2>
1234       <title>Replacing phases (<xref linkend="replacing-phases"/>)</title>
1235
1236       <informaltable>
1237         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1238           <thead>
1239             <row>
1240               <entry>Flag</entry>
1241               <entry>Description</entry>
1242               <entry>Static/Dynamic</entry>
1243               <entry>Reverse</entry>
1244             </row>
1245           </thead>
1246           <tbody>
1247             <row>
1248               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1249               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1250               <entry>static</entry>
1251               <entry>-</entry>
1252             </row>
1253             <row>
1254               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1255               <entry>Use <replaceable>cmd</replaceable> as the C
1256               pre-processor (with <option>-cpp</option> only)</entry>
1257               <entry>static</entry> <entry>-</entry>
1258             </row>
1259             <row>
1260               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1261               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1262               <entry>static</entry>
1263               <entry>-</entry>
1264             </row>
1265             <row>
1266               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1267               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1268               <entry>static</entry>
1269               <entry>-</entry>
1270             </row>
1271             <row>
1272               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1273               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1274               <entry>static</entry>
1275               <entry>-</entry>
1276             </row>
1277             <row>
1278               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1279               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1280               <entry>static</entry>
1281               <entry>-</entry>
1282             </row>
1283             <row>
1284               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1285               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1286               <entry>static</entry>
1287               <entry>-</entry>
1288             </row>
1289             <row>
1290               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1291               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1292               (with <option>-F</option> only)</entry>
1293               <entry>static</entry>
1294               <entry>-</entry>
1295             </row>
1296           </tbody>
1297         </tgroup>
1298       </informaltable>
1299       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1300       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1301       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1302       <indexterm><primary><option>-pgma</option></primary></indexterm>
1303       <indexterm><primary><option>-pgml</option></primary></indexterm>
1304       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1305       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1306       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1307
1308     </sect2>
1309
1310     <sect2>
1311       <title>Forcing options to particular phases (<xref linkend="forcing-options-through"/>)</title>
1312
1313       <informaltable>
1314         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1315           <thead>
1316             <row>
1317               <entry>Flag</entry>
1318               <entry>Description</entry>
1319               <entry>Static/Dynamic</entry>
1320               <entry>Reverse</entry>
1321             </row>
1322           </thead>
1323           <tbody>
1324             <row>
1325               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1326               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1327               <entry>dynamic</entry>
1328               <entry>-</entry>
1329             </row>
1330             <row>
1331               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1332               <entry>pass <replaceable>option</replaceable> to cpp (with
1333               <option>-cpp</option> only)</entry>
1334               <entry>dynamic</entry>
1335               <entry>-</entry>
1336             </row>
1337             <row>
1338               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1339               <entry>pass <replaceable>option</replaceable> to the
1340               custom pre-processor</entry>
1341               <entry>dynamic</entry>
1342               <entry>-</entry>
1343             </row>
1344             <row>
1345               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1346               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1347               <entry>dynamic</entry>
1348               <entry>-</entry>
1349             </row>
1350             <row>
1351               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1352               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1353               <entry>dynamic</entry>
1354               <entry>-</entry>
1355             </row>
1356             <row>
1357               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1358               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1359               <entry>static</entry>
1360               <entry>-</entry>
1361             </row>
1362             <row>
1363               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1364               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1365               <entry>static</entry>
1366               <entry>-</entry>
1367             </row>
1368             <row>
1369               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1370               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1371               <entry>static</entry>
1372               <entry>-</entry>
1373             </row>
1374           </tbody>
1375         </tgroup>
1376       </informaltable>
1377     </sect2>
1378
1379     <sect2>
1380       <title>Platform-specific options (<xref linkend="options-platform"/>)</title>
1381
1382       <informaltable>
1383         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1384           <thead>
1385             <row>
1386               <entry>Flag</entry>
1387               <entry>Description</entry>
1388               <entry>Static/Dynamic</entry>
1389               <entry>Reverse</entry>
1390             </row>
1391           </thead>
1392           <tbody>
1393             <row>
1394               <entry><option>-mv8</option></entry>
1395               <entry>(SPARC only) enable version 8 support</entry>
1396               <entry>static</entry>
1397               <entry>-</entry>
1398             </row>
1399             <row>
1400               <entry><option>-monly-[32]-regs</option></entry>
1401               <entry>(x86 only) give some registers back to the C compiler</entry>
1402               <entry>dynamic</entry>
1403               <entry>-</entry>
1404             </row>
1405           </tbody>
1406         </tgroup>
1407       </informaltable>
1408     </sect2>
1409
1410
1411     <sect2>
1412       <title>External core file options (<xref linkend="ext-core"/>)</title>
1413
1414       <informaltable>
1415         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1416           <thead>
1417             <row>
1418               <entry>Flag</entry>
1419               <entry>Description</entry>
1420               <entry>Static/Dynamic</entry>
1421               <entry>Reverse</entry>
1422             </row>
1423           </thead>
1424           <tbody>
1425             <row>
1426               <entry><option>-fext-core</option></entry>
1427               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1428               <entry>static</entry>
1429               <entry>-</entry>
1430             </row>
1431           </tbody>
1432         </tgroup>
1433       </informaltable>
1434     </sect2>
1435
1436
1437     <sect2>
1438       <title>Compiler debugging options (<xref linkend="options-debugging"/>)</title>
1439
1440       <informaltable>
1441         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1442           <thead>
1443             <row>
1444               <entry>Flag</entry>
1445               <entry>Description</entry>
1446               <entry>Static/Dynamic</entry>
1447               <entry>Reverse</entry>
1448             </row>
1449           </thead>
1450           <tbody>
1451             <row>
1452               <entry><option>-dcore-lint</option></entry>
1453               <entry>Turn on internal sanity checking</entry>
1454               <entry>dynamic</entry>
1455               <entry>-</entry>
1456             </row>
1457             <row>
1458               <entry><option>-ddump-absC</option></entry>
1459               <entry>Dump abstract C</entry>
1460               <entry>dynamic</entry>
1461               <entry>-</entry>
1462             </row>
1463             <row>
1464               <entry><option>-ddump-asm</option></entry>
1465               <entry>Dump assembly</entry>
1466               <entry>dynamic</entry>
1467               <entry>-</entry>
1468             </row>
1469             <row>
1470               <entry><option>-ddump-bcos</option></entry>
1471               <entry>Dump interpreter byte code</entry>
1472               <entry>dynamic</entry>
1473               <entry>-</entry>
1474             </row>
1475             <row>
1476               <entry><option>-ddump-cpranal</option></entry>
1477               <entry>Dump output from CPR analysis</entry>
1478               <entry>dynamic</entry>
1479               <entry>-</entry>
1480             </row>
1481             <row>
1482               <entry><option>-ddump-cse</option></entry>
1483               <entry>Dump CSE output</entry>
1484               <entry>dynamic</entry>
1485               <entry>-</entry>
1486             </row>
1487             <row>
1488               <entry><option>-ddump-deriv</option></entry>
1489               <entry>Dump deriving output</entry>
1490               <entry>dynamic</entry>
1491               <entry>-</entry>
1492             </row>
1493             <row>
1494               <entry><option>-ddump-ds</option></entry>
1495               <entry>Dump desugarer output</entry>
1496               <entry>dynamic</entry>
1497               <entry>-</entry>
1498             </row>
1499             <row>
1500               <entry><option>-ddump-flatC</option></entry>
1501               <entry>Dump &ldquo;flat&rdquo; C</entry>
1502               <entry>dynamic</entry>
1503               <entry>-</entry>
1504             </row>
1505             <row>
1506               <entry><option>-ddump-foreign</option></entry>
1507               <entry>Dump <literal>foreign export</literal> stubs</entry>
1508               <entry>dynamic</entry>
1509               <entry>-</entry>
1510             </row>
1511             <row>
1512               <entry><option>-ddump-inlinings</option></entry>
1513               <entry>Dump inlining info</entry>
1514               <entry>dynamic</entry>
1515               <entry>-</entry>
1516             </row>
1517             <row>
1518               <entry><option>-ddump-occur-anal</option></entry>
1519               <entry>Dump occurrence analysis output</entry>
1520               <entry>dynamic</entry>
1521               <entry>-</entry>
1522             </row>
1523             <row>
1524               <entry><option>-ddump-parsed</option></entry>
1525               <entry>Dump parse tree</entry>
1526               <entry>dynamic</entry>
1527               <entry>-</entry>
1528             </row>
1529             <row>
1530               <entry><option>-ddump-realC</option></entry>
1531               <entry>Dump &ldquo;real&rdquo; C</entry>
1532               <entry>dynamic</entry>
1533               <entry>-</entry>
1534             </row>
1535             <row>
1536               <entry><option>-ddump-rn</option></entry>
1537               <entry>Dump renamer output</entry>
1538               <entry>dynamic</entry>
1539               <entry>-</entry>
1540             </row>
1541             <row>
1542               <entry><option>-ddump-rules</option></entry>
1543               <entry>Dump rules</entry>
1544               <entry>dynamic</entry>
1545               <entry>-</entry>
1546             </row>
1547             <row>
1548               <entry><option>-ddump-sat</option></entry>
1549               <entry>Dump saturated output</entry>
1550               <entry>dynamic</entry>
1551               <entry>-</entry>
1552             </row>
1553             <row>
1554               <entry><option>-ddump-simpl</option></entry>
1555               <entry>Dump final simplifier output</entry>
1556               <entry>dynamic</entry>
1557               <entry>-</entry>
1558             </row>
1559             <row>
1560               <entry><option>-ddump-simpl-iterations</option></entry>
1561               <entry>Dump output from each simplifier iteration</entry>
1562               <entry>dynamic</entry>
1563               <entry>-</entry>
1564             </row>
1565             <row>
1566               <entry><option>-ddump-spec</option></entry>
1567               <entry>Dump specialiser output</entry>
1568               <entry>dynamic</entry>
1569               <entry>-</entry>
1570             </row>
1571             <row>
1572               <entry><option>-ddump-stg</option></entry>
1573               <entry>Dump final STG</entry>
1574               <entry>dynamic</entry>
1575               <entry>-</entry>
1576             </row>
1577             <row>
1578               <entry><option>-ddump-stranal</option></entry>
1579               <entry>Dump strictness analyser output</entry>
1580               <entry>dynamic</entry>
1581               <entry>-</entry>
1582             </row>
1583             <row>
1584               <entry><option>-ddump-tc</option></entry>
1585               <entry>Dump typechecker output</entry>
1586               <entry>dynamic</entry>
1587               <entry>-</entry>
1588             </row>
1589             <row>
1590               <entry><option>-ddump-types</option></entry>
1591               <entry>Dump type signatures</entry>
1592               <entry>dynamic</entry>
1593               <entry>-</entry>
1594             </row>
1595             <row>
1596               <entry><option>-ddump-usagesp</option></entry>
1597               <entry>Dump UsageSP analysis output</entry>
1598               <entry>dynamic</entry>
1599               <entry>-</entry>
1600             </row>
1601             <row>
1602               <entry><option>-ddump-worker-wrapper</option></entry>
1603               <entry>Dump worker-wrapper output</entry>
1604               <entry>dynamic</entry>
1605               <entry>-</entry>
1606             </row>
1607             <row>
1608               <entry><option>-ddump-rn-trace</option></entry>
1609               <entry>Trace renamer</entry>
1610               <entry>dynamic</entry>
1611               <entry>-</entry>
1612             </row>
1613             <row>
1614               <entry><option>-ddump-rn-stats</option></entry>
1615               <entry>Renamer stats</entry>
1616               <entry>dynamic</entry>
1617               <entry>-</entry>
1618             </row>
1619             <row>
1620               <entry><option>-ddump-stix</option></entry>
1621               <entry>Native code generator intermediate form</entry>
1622               <entry>dynamic</entry>
1623               <entry>-</entry>
1624             </row>
1625             <row>
1626               <entry><option>-ddump-simpl-stats</option></entry>
1627               <entry>Dump simplifier stats</entry>
1628               <entry>dynamic</entry>
1629               <entry>-</entry>
1630             </row>
1631             <row>
1632               <entry><option>-dppr-debug</option></entry>
1633               <entry>Turn on debug printing (more verbose)</entry>
1634               <entry>static</entry>
1635               <entry>-</entry>
1636             </row>
1637             <row>
1638               <entry><option>-dppr-noprags</option></entry>
1639               <entry>Don't output pragma info in dumps</entry>
1640               <entry>static</entry>
1641               <entry>-</entry>
1642             </row>
1643             <row>
1644               <entry><option>-dppr-user-length</option></entry>
1645               <entry>Set the depth for printing expressions in error msgs</entry>
1646               <entry>static</entry>
1647               <entry>-</entry>
1648             </row>
1649             <row>
1650               <entry><option>-dsource-stats</option></entry>
1651               <entry>Dump haskell source stats</entry>
1652               <entry>dynamic</entry>
1653               <entry>-</entry>
1654             </row>
1655             <row>
1656               <entry><option>-dstg-lint</option></entry>
1657               <entry>STG pass sanity checking</entry>
1658               <entry>dynamic</entry>
1659               <entry>-</entry>
1660             </row>
1661             <row>
1662               <entry><option>-dstg-stats</option></entry>
1663               <entry>Dump STG stats</entry>
1664               <entry>dynamic</entry>
1665               <entry>-</entry>
1666             </row>
1667             <row>
1668               <entry><option>-dusagesp-lint</option></entry>
1669               <entry>UsageSP sanity checker</entry>
1670               <entry>dynamic</entry>
1671               <entry>-</entry>
1672             </row>
1673             <row>
1674               <entry><option>-dverbose-core2core</option></entry>
1675               <entry>Show output from each core-to-core pass</entry>
1676               <entry>dynamic</entry>
1677               <entry>-</entry>
1678             </row>
1679             <row>
1680               <entry><option>-dverbose-stg2stg</option></entry>
1681               <entry>Show output from each STG-to-STG pass</entry>
1682               <entry>dynamic</entry>
1683               <entry>-</entry>
1684             </row>
1685             <row>
1686               <entry><option>-unreg</option></entry>
1687               <entry>Enable unregisterised compilation</entry>
1688               <entry>static</entry>
1689               <entry>-</entry>
1690             </row>
1691           </tbody>
1692         </tgroup>
1693       </informaltable>
1694     </sect2>
1695
1696     <sect2>
1697       <title>Misc compiler options</title>
1698
1699       <informaltable>
1700         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1701           <thead>
1702             <row>
1703               <entry>Flag</entry>
1704               <entry>Description</entry>
1705               <entry>Static/Dynamic</entry>
1706               <entry>Reverse</entry>
1707             </row>
1708           </thead>
1709           <tbody>
1710             <row>
1711               <entry><option>-femit-extern-decls</option></entry>
1712               <entry>???</entry>
1713               <entry>static</entry>
1714               <entry>-</entry>
1715             </row>
1716             <row>
1717               <entry><option>-fglobalise-toplev-names</option></entry>
1718               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1719               <entry>static</entry>
1720               <entry>-</entry>
1721             </row>
1722             <row>
1723               <entry><option>-fno-hi-version-check</option></entry>
1724               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1725               <entry>static</entry>
1726               <entry>-</entry>
1727             </row>
1728             <row>
1729               <entry><option>-dno-black-holing</option></entry>
1730               <entry>Turn off black holing (probably doesn't work)</entry>
1731               <entry>static</entry>
1732               <entry>-</entry>
1733             </row>
1734             <row>
1735               <entry><option>-fno-method-sharing</option></entry>
1736               <entry>Don't share specialisations of overloaded functions</entry>
1737               <entry>static</entry>
1738               <entry>-</entry>
1739             </row>
1740             <row>
1741               <entry><option>-fno-prune-decls</option></entry>
1742               <entry>Renamer: don't prune declarations</entry>
1743               <entry>static</entry>
1744               <entry>-</entry>
1745             </row>
1746             <row>
1747               <entry><option>-fhistory-size</option></entry>
1748               <entry>Set simplification history size</entry>
1749               <entry>static</entry>
1750               <entry>-</entry>
1751             </row>
1752             <row>
1753               <entry><option>-funregisterised</option></entry>
1754               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1755               <entry>static</entry>
1756               <entry>-</entry>
1757             </row>
1758             <row>
1759               <entry><option>-fno-asm-mangling</option></entry>
1760               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1761               <entry>static</entry>
1762               <entry>-</entry>
1763             </row>
1764           </tbody>
1765         </tgroup>
1766       </informaltable>
1767     </sect2>
1768   </sect1>
1769
1770
1771 <!--
1772 Still to document:
1773
1774 Misc:
1775   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1776   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1777
1778   -Bdir
1779 -->
1780
1781 <!-- Emacs stuff:
1782      ;;; Local Variables: ***
1783      ;;; mode: xml ***
1784      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1785      ;;; End: ***
1786  -->