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</title>
  12
  13       <para><xref linkend="options-help"/></para>
  14
  15       <informaltable>
  16         <tgroup cols="4" align="left" colsep="1" rowsep="1">
  17           <thead>
  18             <row>
  19               <entry>Flag</entry>
  20               <entry>Description</entry>
  21               <entry>Static/Dynamic</entry>
  22               <entry>Reverse</entry>
  23             </row>
  24           </thead>
  25           <tbody>
  26             <row>
  27               <entry><option>-?</option></entry>
  28               <entry>help</entry>
  29               <entry>mode</entry>
  30               <entry>-</entry>
  31             </row>
  32             <row>
  33               <entry><option>-help</option></entry>
  34               <entry>help</entry>
  35               <entry>mode</entry>
  36               <entry>-</entry>
  37             </row>
  38             <row>
  39               <entry><option>-n</option></entry>
  40               <entry>do a dry run</entry>
  41               <entry>dynamic</entry>
  42               <entry>-</entry>
  43             </row>
  44             <row>
  45               <entry><option>-v</option></entry>
  46               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  47               <entry>dynamic</entry>
  48               <entry>-</entry>
  49             </row>
  50             <row>
  51               <entry><option>-v</option><replaceable>n</replaceable></entry>
  52               <entry>set verbosity level</entry>
  53               <entry>dynamic</entry>
  54               <entry>-</entry>
  55             </row>
  56             <row>
  57               <entry><option>-V</option></entry>
  58               <entry>display GHC version</entry>
  59               <entry>mode</entry>
  60               <entry>-</entry>
  61             </row>
  62             <row>
  63               <entry><option>&ndash;&ndash;version</option></entry>
  64               <entry>display GHC version</entry>
  65               <entry>mode</entry>
  66               <entry>-</entry>
  67             </row>
  68             <row>
  69               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  70               <entry>display GHC version (numeric only)</entry>
  71               <entry>mode</entry>
  72               <entry>-</entry>
  73             </row>
  74             <row>
  75               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  76               <entry>display GHC library directory</entry>
  77               <entry>mode</entry>
  78               <entry>-</entry>
  79             </row>
  80             <row>
  81               <entry><option>-ferror-spans</option></entry>
  82               <entry>output full span in error messages</entry>
  83               <entry>static</entry>
  84               <entry>-</entry>
  85             </row>
  86             <row>
  87               <entry><option>-H</option><replaceable>size</replaceable></entry>
  88               <entry>Set the minimum heap size to <replaceable>size</replaceable></entry>
  89               <entry>static</entry>
  90               <entry>-</entry>
  91             </row>
  92             <row>
  93               <entry><option>-Rghc-timing</option></entry>
  94               <entry>Summarise timing stats for GHC (same as <literal>+RTS -tstderr</literal>)</entry>
  95               <entry>static</entry>
  96               <entry>-</entry>
  97             </row>
  98           </tbody>
  99         </tgroup>
 100       </informaltable>
 101
 102     </sect2>
 103     <sect2>
 104       <title>Which phases to run</title>
 105
 106       <para><xref linkend="options-order"/></para>
 107
 108       <informaltable>
 109         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 110           <thead>
 111             <row>
 112               <entry>Flag</entry>
 113               <entry>Description</entry>
 114               <entry>Static/Dynamic</entry>
 115               <entry>Reverse</entry>
 116             </row>
 117           </thead>
 118           <tbody>
 119             <row>
 120               <entry><option>-E</option></entry>
 121               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 122               <entry>mode</entry>
 123               <entry>-</entry>
 124             </row>
 125             <row>
 126               <entry><option>-C</option></entry>
 127               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 128               <entry>mode</entry>
 129               <entry>-</entry>
 130             </row>
 131             <row>
 132               <entry><option>-S</option></entry>
 133               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 134               <entry>mode</entry>
 135               <entry>-</entry>
 136             </row>
 137             <row>
 138               <entry><option>-c</option></entry>
 139               <entry>Do not link</entry>
 140               <entry>dynamic</entry>
 141               <entry>-</entry>
 142             </row>
 143             <row>
 144               <entry><option>-x</option> <replaceable>suffix</replaceable></entry>
 145               <entry>Override default behaviour for source files</entry>
 146               <entry>static</entry>
 147               <entry>-</entry>
 148             </row>
 149           </tbody>
 150         </tgroup>
 151       </informaltable>
 152     </sect2>
 153
 154      <sect2>
 155       <title>Alternative modes of operation</title>
 156
 157       <para><xref linkend="modes"/></para>
 158
 159       <informaltable>
 160         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 161           <thead>
 162             <row>
 163               <entry>Flag</entry>
 164               <entry>Description</entry>
 165               <entry>Static/Dynamic</entry>
 166               <entry>Reverse</entry>
 167             </row>
 168           </thead>
 169           <tbody>
 170             <row>
 171               <entry><option>--interactive</option></entry>
 172               <entry>Interactive mode - normally used by just running <command>ghci</command>;
 173               see <xref linkend="ghci"/> for details.</entry>
 174               <entry>mode</entry>
 175               <entry>-</entry>
 176             </row>
 177             <row>
 178               <entry><option>--make</option></entry>
 179               <entry>Build a multi-module Haskell program, automatically figuring out dependencies. Likely to be much easier, and faster, than using <command>make</command>;
 180               see <xref linkend="make-mode"/> for details..</entry>
 181               <entry>mode</entry>
 182               <entry>-</entry>
 183             </row>
 184             <row>
 185               <entry><option>-e <replaceable>expr</replaceable></option></entry>
 186               <entry>Evaluate <replaceable>expr</replaceable>;
 187               see <xref linkend="eval-mode"/> for details.</entry>
 188               <entry>mode</entry>
 189               <entry>-</entry>
 190             </row>
 191             <row>
 192               <entry><option>-M</option></entry>
 193               <entry>Generate dependency information suitable for use in a <filename>Makefile</filename>;
 194               see <xref linkend="makefile-dependencies"/> for details.</entry>
 195               <entry>mode</entry>
 196               <entry>-</entry>
 197             </row>
 198           </tbody>
 199         </tgroup>
 200       </informaltable>
 201     </sect2>
 202
 203     <sect2>
 204       <title>Redirecting output</title>
 205
 206       <para><xref linkend="options-output"/></para>
 207
 208       <informaltable>
 209         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 210           <thead>
 211             <row>
 212               <entry>Flag</entry>
 213               <entry>Description</entry>
 214               <entry>Static/Dynamic</entry>
 215               <entry>Reverse</entry>
 216             </row>
 217           </thead>
 218           <tbody>
 219             <row>
 220               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 221               <entry>set the suffix to use for intermediate C files</entry>
 222               <entry>dynamic</entry>
 223               <entry>-</entry>
 224             </row>
 225             <row>
 226               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 227               <entry>set directory for interface files</entry>
 228               <entry>dynamic</entry>
 229               <entry>-</entry>
 230             </row>
 231             <row>
 232               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 233               <entry>set the suffix to use for interface files</entry>
 234               <entry>dynamic</entry>
 235               <entry>-</entry>
 236             </row>
 237             <row>
 238               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 239               <entry>set output filename</entry>
 240               <entry>dynamic</entry>
 241               <entry>-</entry>
 242             </row>
 243             <row>
 244               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 245               <entry>set output directory</entry>
 246               <entry>dynamic</entry>
 247               <entry>-</entry>
 248             </row>
 249             <row>
 250               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 251               <entry>set the filename in which to put the interface</entry>
 252               <entry>dynamic</entry>
 253               <entry></entry>
 254             </row>
 255             <row>
 256               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 257               <entry>set the output file suffix</entry>
 258               <entry>dynamic</entry>
 259               <entry>-</entry>
 260             </row>
 261             <row>
 262               <entry><option>-stubdir</option> <replaceable>dir</replaceable></entry>
 263               <entry>redirect FFi stub files</entry>
 264               <entry>dynamic</entry>
 265               <entry>-</entry>
 266             </row>
 267           </tbody>
 268         </tgroup>
 269       </informaltable>
 270     </sect2>
 271
 272     <sect2>
 273       <title>Keeping intermediate files</title>
 274
 275       <para><xref linkend="keeping-intermediates"/></para>
 276
 277       <informaltable>
 278         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 279           <thead>
 280             <row>
 281               <entry>Flag</entry>
 282               <entry>Description</entry>
 283               <entry>Static/Dynamic</entry>
 284               <entry>Reverse</entry>
 285             </row>
 286           </thead>
 287           <tbody>
 288             <row>
 289               <entry><option>-keep-hc-file</option></entry>
 290               <entry>retain intermediate <literal>.hc</literal> files</entry>
 291               <entry>dynamic</entry>
 292               <entry>-</entry>
 293             </row>
 294             <row>
 295               <entry><option>-keep-s-file</option></entry>
 296               <entry>retain intermediate <literal>.s</literal> files</entry>
 297               <entry>dynamic</entry>
 298               <entry>-</entry>
 299             </row>
 300             <row>
 301               <entry><option>-keep-raw-s-file</option></entry>
 302               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 303               <entry>dynamic</entry>
 304               <entry>-</entry>
 305             </row>
 306             <row>
 307               <entry><option>-keep-tmp-files</option></entry>
 308               <entry>retain all intermediate temporary files</entry>
 309               <entry>dynamic</entry>
 310               <entry>-</entry>
 311             </row>
 312           </tbody>
 313         </tgroup>
 314       </informaltable>
 315     </sect2>
 316
 317     <sect2>
 318       <title>Temporary files</title>
 319
 320       <para><xref linkend="temp-files"/></para>
 321
 322       <informaltable>
 323         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 324           <thead>
 325             <row>
 326               <entry>Flag</entry>
 327               <entry>Description</entry>
 328               <entry>Static/Dynamic</entry>
 329               <entry>Reverse</entry>
 330             </row>
 331           </thead>
 332           <tbody>
 333             <row>
 334               <entry><option>-tmpdir</option></entry>
 335               <entry>set the directory for temporary files</entry>
 336               <entry>dynamic</entry>
 337               <entry>-</entry>
 338             </row>
 339           </tbody>
 340         </tgroup>
 341       </informaltable>
 342     </sect2>
 343
 344     <sect2>
 345       <title>Finding imports</title>
 346
 347       <para><xref linkend="search-path"/></para>
 348
 349       <informaltable>
 350         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 351           <thead>
 352             <row>
 353               <entry>Flag</entry>
 354
 355               <entry>Description</entry>
 356               <entry>Static/Dynamic</entry>
 357               <entry>Reverse</entry>
 358             </row>
 359           </thead>
 360           <tbody>
 361             <row>
 362               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 363               <entry>add <replaceable>dir</replaceable>,
 364                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 365               <entry>static/<literal>:set</literal></entry>
 366               <entry>-</entry>
 367             </row>
 368             <row>
 369               <entry><option>-i</option></entry>
 370               <entry>Empty the import directory list</entry>
 371               <entry>static/<literal>:set</literal></entry>
 372               <entry>-</entry>
 373             </row>
 374           </tbody>
 375         </tgroup>
 376       </informaltable>
 377     </sect2>
 378
 379     <sect2>
 380       <title>Interface file options</title>
 381
 382       <para><xref linkend="hi-options"/></para>
 383
 384       <informaltable>
 385         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 386           <thead>
 387             <row>
 388               <entry>Flag</entry>
 389
 390               <entry>Description</entry>
 391               <entry>Static/Dynamic</entry>
 392               <entry>Reverse</entry>
 393             </row>
 394           </thead>
 395           <tbody>
 396             <row>
 397               <entry><option>-ddump-hi</option></entry>
 398               <entry>Dump the new interface to stdout</entry>
 399               <entry>dynamic</entry>
 400               <entry>-</entry>
 401             </row>
 402             <row>
 403               <entry><option>-ddump-hi-diffs</option></entry>
 404               <entry>Show the differences vs. the old interface</entry>
 405               <entry>dynamic</entry>
 406               <entry>-</entry>
 407             </row>
 408             <row>
 409               <entry><option>-ddump-minimal-imports</option></entry>
 410               <entry>Dump a minimal set of imports</entry>
 411               <entry>dynamic</entry>
 412               <entry>-</entry>
 413             </row>
 414             <row>
 415               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 416               <entry>Read the interface in
 417               <replaceable>file</replaceable> and dump it as text to
 418               <literal>stdout</literal>.</entry>
 419               <entry>mode</entry>
 420               <entry>-</entry>
 421             </row>
 422           </tbody>
 423         </tgroup>
 424       </informaltable>
 425     </sect2>
 426
 427     <sect2>
 428       <title>Recompilation checking</title>
 429
 430       <para><xref linkend="recomp"/></para>
 431
 432       <informaltable>
 433         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 434           <thead>
 435             <row>
 436               <entry>Flag</entry>
 437
 438               <entry>Description</entry>
 439               <entry>Static/Dynamic</entry>
 440               <entry>Reverse</entry>
 441             </row>
 442           </thead>
 443           <tbody>
 444             <row>
 445               <entry><option>-fforce-recomp</option></entry>
 446               <entry>Turn off recompilation checking; implied by any
 447               <option>-ddump-X</option> option</entry>
 448               <entry>dynamic</entry>
 449               <entry><option>-fno-force-recomp</option></entry>
 450             </row>
 451           </tbody>
 452         </tgroup>
 453       </informaltable>
 454     </sect2>
 455
 456     <sect2>
 457       <title>Interactive-mode options</title>
 458
 459       <para><xref linkend="ghci-dot-files"/></para>
 460
 461       <informaltable>
 462         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 463           <thead>
 464             <row>
 465               <entry>Flag</entry>
 466               <entry>Description</entry>
 467               <entry>Static/Dynamic</entry>
 468               <entry>Reverse</entry>
 469             </row>
 470           </thead>
 471           <tbody>
 472             <row>
 473               <entry><option>-ignore-dot-ghci</option></entry>
 474               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 475               <entry>static</entry>
 476               <entry>-</entry>
 477             </row>
 478             <row>
 479               <entry><option>-read-dot-ghci</option></entry>
 480               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 481               <entry>static</entry>
 482               <entry>-</entry>
 483             </row>
 484             <row>
 485               <entry><option>-fdebugging</option></entry>
 486               <entry>Generate bytecode enabled for debugging</entry>
 487               <entry>dynamic</entry>
 488               <entry>-</entry>
 489             </row>
 490             <row>
 491               <entry><option>-fno-debugging</option></entry>
 492               <entry>Do not include debugging information in bytecodes</entry>
 493               <entry>dynamic</entry>
 494               <entry>-</entry>
 495             </row>
 496           </tbody>
 497         </tgroup>
 498       </informaltable>
 499     </sect2>
 500
 501     <sect2>
 502       <title>Packages</title>
 503
 504       <para><xref linkend="packages"/></para>
 505
 506       <informaltable>
 507         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 508           <thead>
 509             <row>
 510               <entry>Flag</entry>
 511               <entry>Description</entry>
 512               <entry>Static/Dynamic</entry>
 513               <entry>Reverse</entry>
 514             </row>
 515           </thead>
 516           <tbody>
 517             <row>
 518               <entry><option>-package-name</option> <replaceable>P</replaceable></entry>
 519               <entry>Compile to be part of package <replaceable>P</replaceable></entry>
 520               <entry>dynamic</entry>
 521               <entry>-</entry>
 522             </row>
 523             <row>
 524               <entry><option>-package</option> <replaceable>P</replaceable></entry>
 525               <entry>Expose package <replaceable>P</replaceable></entry>
 526               <entry>static/<literal>:set</literal></entry>
 527               <entry>-</entry>
 528             </row>
 529             <row>
 530               <entry><option>-hide-all-packages</option></entry>
 531               <entry>Hide all packages by default</entry>
 532               <entry>static</entry>
 533               <entry>-</entry>
 534             </row>
 535             <row>
 536               <entry><option>-hide-package</option> <replaceable>name</replaceable></entry>
 537               <entry>Hide package <replaceable>P</replaceable></entry>
 538               <entry>static/<literal>:set</literal></entry>
 539               <entry>-</entry>
 540             </row>
 541             <row>
 542               <entry><option>-ignore-package</option> <replaceable>name</replaceable></entry>
 543               <entry>Ignore package <replaceable>P</replaceable></entry>
 544               <entry>static/<literal>:set</literal></entry>
 545               <entry>-</entry>
 546             </row>
 547             <row>
 548               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 549               <entry>Load more packages from <replaceable>file</replaceable></entry>
 550               <entry>static</entry>
 551               <entry>-</entry>
 552             </row>
 553             <row>
 554               <entry><option>-no-user-package-conf</option></entry>
 555               <entry>Don't load the user's package config file.</entry>
 556               <entry>static</entry>
 557               <entry>-</entry>
 558             </row>
 559           </tbody>
 560         </tgroup>
 561       </informaltable>
 562     </sect2>
 563
 564     <sect2>
 565       <title>Language options</title>
 566
 567       <para><xref linkend="options-language"/></para>
 568
 569       <informaltable>
 570         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 571           <thead>
 572             <row>
 573               <entry>Flag</entry>
 574               <entry>Description</entry>
 575               <entry>Static/Dynamic</entry>
 576               <entry>Reverse</entry>
 577             </row>
 578           </thead>
 579           <tbody>
 580             <row>
 581               <entry><option>-fallow-overlapping-instances</option></entry>
 582               <entry>Enable <link linkend="instance-overlap">overlapping instances</link></entry>
 583               <entry>dynamic</entry>
 584               <entry><option>-fno-allow-overlapping-instances</option></entry>
 585             </row>
 586             <row>
 587               <entry><option>-fallow-incoherent-instances</option></entry>
 588               <entry>Enable <link linkend="instance-overlap">incoherent instances</link>.
 589               Implies <option>-fallow-overlapping-instances</option> </entry>
 590               <entry>dynamic</entry>
 591               <entry><option>-fno-allow-incoherent-instances</option></entry>
 592             </row>
 593             <row>
 594               <entry><option>-fallow-undecidable-instances</option></entry>
 595               <entry>Enable <link linkend="undecidable-instances">undecidable instances</link></entry>
 596               <entry>dynamic</entry>
 597               <entry><option>-fno-allow-undecidable-instances</option></entry>
 598             </row>
 599             <row>
 600               <entry><option>-fcontext-stack=N</option><replaceable>n</replaceable></entry>
 601               <entry>set the <link linkend="undecidable-instances">limit for context reduction</link></entry>
 602               <entry>dynamic</entry>
 603               <entry><option>20</option></entry>
 604             </row>
 605             <row>
 606               <entry><option>-farrows</option></entry>
 607               <entry>Enable <link linkend="arrow-notation">arrow
 608               notation</link> extension</entry>
 609               <entry>dynamic</entry>
 610               <entry><option>-fno-arrows</option></entry>
 611             </row>
 612             <row>
 613               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 614               <entry>Enable <link linkend="ffi">foreign function interface</link> (implied by
 615               <option>-fglasgow-exts</option>)</entry>
 616               <entry>dynamic</entry>
 617               <entry><option>-fno-ffi</option></entry>
 618             </row>
 619             <row>
 620               <entry><option>-fgenerics</option></entry>
 621               <entry>Enable <link linkend="generic-classes">generic classes</link></entry>
 622               <entry>dynamic</entry>
 623               <entry><option>-fno-fgenerics</option></entry>
 624             </row>
 625             <row>
 626               <entry><option>-fglasgow-exts</option></entry>
 627               <entry>Enable most language extensions</entry>
 628               <entry>dynamic</entry>
 629               <entry><option>-fno-glasgow-exts</option></entry>
 630             </row>
 631             <row>
 632               <entry><option>-fimplicit-params</option></entry>
 633               <entry>Enable <link linkend="implicit-parameters">Implicit Parameters</link>.
 634               Implied by <option>-fglasgow-exts</option>.</entry>
 635               <entry>dynamic</entry>
 636               <entry><option>-fno-implicit-params</option></entry>
 637             </row>
 638             <row>
 639               <entry><option>-firrefutable-tuples</option></entry>
 640               <entry>Make tuple pattern matching irrefutable</entry>
 641               <entry>dynamic</entry>
 642               <entry><option>-fno-irrefutable-tuples</option></entry>
 643             </row>
 644             <row>
 645               <entry><option>-fno-implicit-prelude</option></entry>
 646               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 647               <entry>dynamic</entry>
 648               <entry><option>-fimplicit-prelude</option></entry>
 649             </row>
 650             <row>
 651               <entry><option>-fno-monomorphism-restriction</option></entry>
 652               <entry>Disable the <link linkend="monomorphism">monomorphism restriction</link></entry>
 653               <entry>dynamic</entry>
 654               <entry><option>-fmonomorphism-restriction</option></entry>
 655             </row>
 656             <row>
 657               <entry><option>-fno-mono-pat-binds</option></entry>
 658               <entry>Make <link linkend="monomorphism">pattern bindings polymorphic</link></entry>
 659               <entry>dynamic</entry>
 660               <entry><option>-fmono-pat-binds</option></entry>
 661             </row>
 662             <row>
 663               <entry><option>-fextended-default-rules</option></entry>
 664               <entry>Use GHCi's <link linkend="extended-default-rules">extended default rules</link> in a normal module</entry>
 665               <entry>dynamic</entry>
 666               <entry><option>-fno-extended-default-rules</option></entry>
 667             </row>
 668             <row>
 669               <entry><option>-foverloaded-strings</option></entry>
 670               <entry>Enable <link linkend="overloaded-strings">overloaded string literals</link>.
 671               </entry>
 672               <entry>dynamic</entry>
 673               <entry><option>-fno-overloaded-strings</option></entry>
 674             </row>
 675             <row>
 676               <entry><option>-fscoped-type-variables</option></entry>
 677               <entry>Enable <link linkend="scoped-type-variables">lexically-scoped type variables</link>.
 678               Implied by <option>-fglasgow-exts</option>.</entry>
 679               <entry>dynamic</entry>
 680               <entry><option>-fno-scoped-type-variables</option></entry>
 681             </row>
 682             <row>
 683               <entry><option>-fth</option></entry>
 684               <entry>Enable <link linkend="template-haskell">Template Haskell</link>.
 685                 No longer implied by <option>-fglasgow-exts</option>.</entry>
 686               <entry>dynamic</entry>
 687               <entry><option>-fno-th</option></entry>
 688             </row>
 689             <row>
 690               <entry><option>-fbang-patterns</option></entry>
 691               <entry>Enable <link linkend="bang-patterns">bang patterns</link>.</entry>
 692               <entry>dynamic</entry>
 693               <entry><option>-fno-bang-patterns</option></entry>
 694             </row>
 695           </tbody>
 696         </tgroup>
 697       </informaltable>
 698     </sect2>
 699
 700     <sect2>
 701       <title>Warnings</title>
 702
 703       <para><xref linkend="options-sanity"/></para>
 704
 705     <informaltable>
 706       <tgroup cols="4" align="left" colsep="1" rowsep="1">
 707         <thead>
 708           <row>
 709             <entry>Flag</entry>
 710             <entry>Description</entry>
 711             <entry>Static/Dynamic</entry>
 712             <entry>Reverse</entry>
 713           </row>
 714         </thead>
 715         <tbody>
 716           <row>
 717             <entry><option>-W</option></entry>
 718             <entry>enable normal warnings</entry>
 719             <entry>dynamic</entry>
 720             <entry><option>-w</option></entry>
 721           </row>
 722           <row>
 723             <entry><option>-w</option></entry>
 724             <entry>disable all warnings</entry>
 725             <entry>dynamic</entry>
 726             <entry>-</entry>
 727           </row>
 728           <row>
 729             <entry><option>-Wall</option></entry>
 730             <entry>enable all warnings</entry>
 731             <entry>dynamic</entry>
 732             <entry><option>-w</option></entry>
 733           </row>
 734           <row>
 735             <entry><option>-Werror</option></entry>
 736             <entry>make warnings fatal</entry>
 737             <entry>dynamic</entry>
 738             <entry></entry>
 739           </row>
 740
 741           <row>
 742             <entry><option>-fwarn-deprecations</option></entry>
 743             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 744             <entry>dynamic</entry>
 745             <entry><option>-fno-warn-deprecations</option></entry>
 746           </row>
 747
 748           <row>
 749             <entry><option>-fwarn-duplicate-exports</option></entry>
 750             <entry>warn when an entity is exported multiple times</entry>
 751             <entry>dynamic</entry>
 752             <entry><option>-fno-warn-duplicate-exports</option></entry>
 753           </row>
 754
 755           <row>
 756             <entry><option>-fwarn-hi-shadowing</option></entry>
 757             <entry>warn when a <literal>.hi</literal> file in the
 758             current directory shadows a library</entry>
 759             <entry>dynamic</entry>
 760             <entry><option>-fno-warn-hi-shadowing</option></entry>
 761           </row>
 762
 763           <row>
 764             <entry><option>-fwarn-incomplete-patterns</option></entry>
 765             <entry>warn when a pattern match could fail</entry>
 766             <entry>dynamic</entry>
 767             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 768           </row>
 769
 770           <row>
 771             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 772             <entry>warn when a record update could fail</entry>
 773             <entry>dynamic</entry>
 774             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 775           </row>
 776
 777           <row>
 778             <entry><option>-fwarn-missing-fields</option></entry>
 779             <entry>warn when fields of a record are uninitialised</entry>
 780             <entry>dynamic</entry>
 781             <entry><option>-fno-warn-missing-fields</option></entry>
 782           </row>
 783
 784           <row>
 785             <entry><option>-fwarn-missing-methods</option></entry>
 786             <entry>warn when class methods are undefined</entry>
 787             <entry>dynamic</entry>
 788             <entry><option>-fno-warn-missing-methods</option></entry>
 789           </row>
 790
 791           <row>
 792             <entry><option>-fwarn-missing-signatures</option></entry>
 793             <entry>warn about top-level functions without signatures</entry>
 794             <entry>dynamic</entry>
 795             <entry><option>-fno-warn-missing-signatures</option></entry>
 796           </row>
 797
 798           <row>
 799             <entry><option>-fwarn-name-shadowing</option></entry>
 800             <entry>warn when names are shadowed</entry>
 801             <entry>dynamic</entry>
 802             <entry><option>-fno-warn-name-shadowing</option></entry>
 803           </row>
 804
 805           <row>
 806             <entry><option>-fwarn-orphans</option></entry>
 807             <entry>warn when the module contains "orphan" instance declarations
 808             or rewrite rules</entry>
 809             <entry>dynamic</entry>
 810             <entry><option>-fno-warn-orphans</option></entry>
 811           </row>
 812
 813           <row>
 814             <entry><option>-fwarn-overlapping-patterns</option></entry>
 815             <entry>warn about overlapping patterns</entry>
 816             <entry>dynamic</entry>
 817             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 818           </row>
 819
 820           <row>
 821             <entry><option>-fwarn-simple-patterns</option></entry>
 822             <entry>warn about lambda-patterns that can fail</entry>
 823             <entry>dynamic</entry>
 824             <entry><option>-fno-warn-simple-patterns</option></entry>
 825           </row>
 826
 827           <row>
 828             <entry><option>-fwarn-tabs</option></entry>
 829             <entry>warn if there are tabs in the source file</entry>
 830             <entry>dynamic</entry>
 831             <entry><option>-fno-warn-tabs</option></entry>
 832           </row>
 833
 834           <row>
 835             <entry><option>-fwarn-type-defaults</option></entry>
 836             <entry>warn when defaulting happens</entry>
 837             <entry>dynamic</entry>
 838             <entry><option>-fno-warn-type-defaults</option></entry>
 839           </row>
 840
 841           <row>
 842             <entry><option>-fwarn-unused-binds</option></entry>
 843             <entry>warn about bindings that are unused</entry>
 844             <entry>dynamic</entry>
 845             <entry><option>-fno-warn-unused-binds</option></entry>
 846           </row>
 847
 848           <row>
 849             <entry><option>-fwarn-unused-imports</option></entry>
 850             <entry>warn about unnecessary imports</entry>
 851             <entry>dynamic</entry>
 852             <entry><option>-fno-warn-unused-imports</option></entry>
 853           </row>
 854
 855           <row>
 856             <entry><option>-fwarn-unused-matches</option></entry>
 857             <entry>warn about variables in patterns that aren't used</entry>
 858             <entry>dynamic</entry>
 859             <entry><option>-fno-warn-unused-matches</option></entry>
 860           </row>
 861
 862           </tbody>
 863         </tgroup>
 864       </informaltable>
 865
 866     </sect2>
 867     <sect2>
 868       <title>Optimisation levels</title>
 869
 870       <para><xref linkend="options-optimise"/></para>
 871
 872       <informaltable>
 873         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 874           <thead>
 875             <row>
 876               <entry>Flag</entry>
 877               <entry>Description</entry>
 878               <entry>Static/Dynamic</entry>
 879               <entry>Reverse</entry>
 880             </row>
 881           </thead>
 882           <tbody>
 883             <row>
 884               <entry><option>-O</option></entry>
 885               <entry>Enable default optimisation (level 1)</entry>
 886               <entry>dynamic</entry>
 887               <entry><option>-O0</option></entry>
 888             </row>
 889             <row>
 890               <entry><option>-O</option><replaceable>n</replaceable></entry>
 891               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 892               <entry>dynamic</entry>
 893               <entry><option>-O0</option></entry>
 894             </row>
 895           </tbody>
 896         </tgroup>
 897       </informaltable>
 898
 899     </sect2>
 900     <sect2>
 901       <title>Individual optimisations</title>
 902
 903       <para><xref linkend="options-f"/></para>
 904
 905       <informaltable>
 906         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 907           <thead>
 908             <row>
 909               <entry>Flag</entry>
 910               <entry>Description</entry>
 911               <entry>Static/Dynamic</entry>
 912               <entry>Reverse</entry>
 913             </row>
 914           </thead>
 915           <tbody>
 916             <row>
 917               <entry><option>-fcase-merge</option></entry>
 918               <entry>Enable case-merging</entry>
 919               <entry>dynamic</entry>
 920               <entry><option>-fno-case-merge</option></entry>
 921             </row>
 922
 923             <row>
 924               <entry><option>-fdicts-strict</option></entry>
 925               <entry>Make dictionaries strict</entry>
 926               <entry>static</entry>
 927               <entry><option>-fno-dicts-strict</option></entry>
 928             </row>
 929
 930             <row>
 931               <entry><option>-fdo-eta-reduction</option></entry>
 932               <entry>Enable eta-reduction</entry>
 933               <entry>dynamic</entry>
 934               <entry><option>-fno-do-eta-reduction</option></entry>
 935             </row>
 936
 937             <row>
 938               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 939               <entry>Enable lambda eta-reduction</entry>
 940               <entry>dynamic</entry>
 941               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 942             </row>
 943
 944             <row>
 945               <entry><option>-fexcess-precision</option></entry>
 946               <entry>Enable excess intermediate precision</entry>
 947               <entry>dynamic</entry>
 948               <entry><option>-fno-excess-precision</option></entry>
 949             </row>
 950
 951             <row>
 952               <entry><option>-frules-off</option></entry>
 953               <entry>Switch off all rewrite rules (including rules
 954               generated by automatic specialisation of overloaded functions)</entry>
 955               <entry>static</entry>
 956               <entry><option>-frules-off</option></entry>
 957             </row>
 958
 959             <row>
 960               <entry><option>-fignore-asserts</option></entry>
 961               <entry>Ignore assertions in the source</entry>
 962               <entry>dynamic</entry>
 963               <entry><option>-fno-ignore-asserts</option></entry>
 964             </row>
 965
 966             <row>
 967               <entry><option>-fignore-interface-pragmas</option></entry>
 968               <entry>Ignore pragmas in interface files</entry>
 969               <entry>dynamic</entry>
 970               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 971             </row>
 972
 973             <row>
 974               <entry><option>-fliberate-case-threshold</option></entry>
 975               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 976               <entry>static</entry>
 977               <entry><option>-fno-liberate-case-threshold</option></entry>
 978             </row>
 979
 980             <row>
 981               <entry><option>-fomit-interface-pragmas</option></entry>
 982               <entry>Don't generate interface pragmas</entry>
 983               <entry>dynamic</entry>
 984               <entry><option>-fno-omit-interface-pragmas</option></entry>
 985             </row>
 986
 987             <row>
 988               <entry><option>-fmax-worker-args</option></entry>
 989               <entry>If a worker has that many arguments, none will be
 990                 unpacked anymore (default: 10)</entry>
 991               <entry>static</entry>
 992               <entry>-</entry>
 993             </row>
 994
 995             <row>
 996               <entry><option>-fmax-simplifier-iterations</option></entry>
 997               <entry>Set the max iterations for the simplifier</entry>
 998               <entry>dynamic</entry>
 999               <entry>-</entry>
1000             </row>
1001
1002             <row>
1003               <entry><option>-fno-state-hack</option></entry>
1004               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
1005               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
1006               <entry>static</entry>
1007               <entry>-</entry>
1008             </row>
1009
1010             <row>
1011               <entry><option>-fno-cse</option></entry>
1012               <entry>Turn off common sub-expression</entry>
1013               <entry>dynamic</entry>
1014               <entry>-</entry>
1015             </row>
1016
1017             <row>
1018               <entry><option>-fno-full-laziness</option></entry>
1019               <entry>Turn off full laziness (floating bindings outwards).</entry>
1020               <entry>dynamic</entry>
1021               <entry>-ffull-laziness</entry>
1022             </row>
1023
1024             <row>
1025               <entry><option>-fno-pre-inlining</option></entry>
1026               <entry>Turn off pre-inlining</entry>
1027               <entry>static</entry>
1028               <entry>-</entry>
1029             </row>
1030
1031             <row>
1032               <entry><option>-fno-strictness</option></entry>
1033               <entry>Turn off strictness analysis</entry>
1034               <entry>dynamic</entry>
1035               <entry>-</entry>
1036             </row>
1037
1038             <row>
1039               <entry><option>-funbox-strict-fields</option></entry>
1040               <entry>Flatten strict constructor fields</entry>
1041               <entry>dynamic</entry>
1042               <entry><option>-fno-unbox-strict-fields</option></entry>
1043             </row>
1044
1045             <row>
1046               <entry><option>-funfolding-creation-threshold</option></entry>
1047               <entry>Tweak unfolding settings</entry>
1048               <entry>static</entry>
1049               <entry><option>-fno-unfolding-creation-threshold</option></entry>
1050             </row>
1051
1052             <row>
1053               <entry><option>-funfolding-fun-discount</option></entry>
1054               <entry>Tweak unfolding settings</entry>
1055               <entry>static</entry>
1056               <entry><option>-fno-unfolding-fun-discount</option></entry>
1057             </row>
1058
1059             <row>
1060               <entry><option>-funfolding-keeness-factor</option></entry>
1061               <entry>Tweak unfolding settings</entry>
1062               <entry>static</entry>
1063               <entry><option>-fno-unfolding-keeness-factor</option></entry>
1064             </row>
1065
1066             <row>
1067               <entry><option>-funfolding-update-in-place</option></entry>
1068               <entry>Tweak unfolding settings</entry>
1069               <entry>static</entry>
1070               <entry><option>-fno-unfolding-update-in-place</option></entry>
1071             </row>
1072
1073             <row>
1074               <entry><option>-funfolding-use-threshold</option></entry>
1075               <entry>Tweak unfolding settings</entry>
1076               <entry>static</entry>
1077               <entry><option>-fno-unfolding-use-threshold</option></entry>
1078             </row>
1079           </tbody>
1080         </tgroup>
1081       </informaltable>
1082     </sect2>
1083
1084     <sect2>
1085       <title>Profiling options</title>
1086
1087       <para><xref linkend="profiling"/></para>
1088
1089       <informaltable>
1090         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1091           <thead>
1092             <row>
1093               <entry>Flag</entry>
1094               <entry>Description</entry>
1095               <entry>Static/Dynamic</entry>
1096               <entry>Reverse</entry>
1097             </row>
1098           </thead>
1099           <tbody>
1100             <row>
1101               <entry><option>-auto</option></entry>
1102               <entry>Auto-add <literal>_scc_</literal>s to all
1103               exported functions</entry>
1104               <entry>static</entry>
1105               <entry><option>-no-auto</option></entry>
1106             </row>
1107             <row>
1108               <entry><option>-auto-all</option></entry>
1109               <entry>Auto-add <literal>_scc_</literal>s to all
1110               top-level functions</entry>
1111               <entry>static</entry>
1112               <entry><option>-no-auto-all</option></entry>
1113             </row>
1114             <row>
1115               <entry><option>-caf-all</option></entry>
1116               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
1117               <entry>static</entry>
1118               <entry><option>-no-caf-all</option></entry>
1119             </row>
1120             <row>
1121               <entry><option>-prof</option></entry>
1122               <entry>Turn on profiling</entry>
1123               <entry>static</entry>
1124               <entry>-</entry>
1125             </row>
1126             <row>
1127               <entry><option>-ticky</option></entry>
1128               <entry>Turn on ticky-ticky profiling</entry>
1129               <entry>static</entry>
1130               <entry>-</entry>
1131             </row>
1132           </tbody>
1133         </tgroup>
1134       </informaltable>
1135     </sect2>
1136
1137     <sect2>
1138       <title>Haskell pre-processor options</title>
1139
1140       <para><xref linkend="pre-processor"/></para>
1141
1142       <informaltable>
1143         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1144           <thead>
1145             <row>
1146               <entry>Flag</entry>
1147               <entry>Description</entry>
1148               <entry>Static/Dynamic</entry>
1149               <entry>Reverse</entry>
1150             </row>
1151           </thead>
1152           <tbody>
1153             <row>
1154               <entry><option>-F</option></entry>
1155               <entry>
1156                   Enable the use of a pre-processor
1157                   (set with <option>-pgmF</option>)
1158               </entry>
1159               <entry>dynamic</entry>
1160               <entry>-</entry>
1161             </row>
1162           </tbody>
1163         </tgroup>
1164       </informaltable>
1165     </sect2>
1166
1167     <sect2>
1168       <title>C pre-processor options</title>
1169
1170       <para><xref linkend="c-pre-processor"/></para>
1171
1172       <informaltable>
1173         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1174           <thead>
1175             <row>
1176               <entry>Flag</entry>
1177               <entry>Description</entry>
1178               <entry>Static/Dynamic</entry>
1179               <entry>Reverse</entry>
1180             </row>
1181           </thead>
1182           <tbody>
1183             <row>
1184               <entry><option>-cpp</option></entry>
1185               <entry>Run the C pre-processor on Haskell source files</entry>
1186               <entry>dynamic</entry>
1187               <entry>-</entry>
1188             </row>
1189             <row>
1190               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1191               <entry>Define a symbol in the C pre-processor</entry>
1192               <entry>dynamic</entry>
1193               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1194             </row>
1195             <row>
1196               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1197               <entry>Undefine a symbol in the C pre-processor</entry>
1198               <entry>dynamic</entry>
1199               <entry>-</entry>
1200             </row>
1201             <row>
1202               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1203               <entry>Add <replaceable>dir</replaceable> to the
1204               directory search list for <literal>#include</literal> files</entry>
1205               <entry>dynamic</entry>
1206               <entry>-</entry>
1207             </row>
1208           </tbody>
1209         </tgroup>
1210       </informaltable>
1211     </sect2>
1212
1213     <sect2>
1214       <title>C compiler options</title>
1215
1216       <para><xref linkend="options-C-compiler"/></para>
1217       <informaltable>
1218         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1219           <thead>
1220             <row>
1221               <entry>Flag</entry>
1222               <entry>Description</entry>
1223               <entry>Static/Dynamic</entry>
1224               <entry>Reverse</entry>
1225             </row>
1226           </thead>
1227           <tbody>
1228             <row>
1229               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1230               <entry>Include <replaceable>file</replaceable> when
1231               compiling the <filename>.hc</filename> file</entry>
1232               <entry>dynamic</entry>
1233               <entry>-</entry>
1234             </row>
1235           </tbody>
1236         </tgroup>
1237       </informaltable>
1238     </sect2>
1239
1240     <sect2>
1241       <title>Code generation options</title>
1242
1243       <para><xref linkend="options-codegen"/></para>
1244
1245       <informaltable>
1246         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1247           <thead>
1248             <row>
1249               <entry>Flag</entry>
1250               <entry>Description</entry>
1251               <entry>Static/Dynamic</entry>
1252               <entry>Reverse</entry>
1253             </row>
1254           </thead>
1255           <tbody>
1256             <row>
1257               <entry><option>-fasm</option></entry>
1258               <entry>Use the native code generator</entry>
1259               <entry>dynamic</entry>
1260               <entry>-fvia-C</entry>
1261             </row>
1262             <row>
1263               <entry><option>-fvia-C</option></entry>
1264               <entry>Compile via C</entry>
1265               <entry>dynamic</entry>
1266               <entry>-fasm</entry>
1267             </row>
1268             <row>
1269               <entry><option>-fno-code</option></entry>
1270               <entry>Omit code generation</entry>
1271               <entry>dynamic</entry>
1272               <entry>-</entry>
1273             </row>
1274             <row>
1275               <entry><option>-fbyte-code</option></entry>
1276               <entry>Generate byte-code</entry>
1277               <entry>dynamic</entry>
1278               <entry>-</entry>
1279             </row>
1280             <row>
1281               <entry><option>-fobject-code</option></entry>
1282               <entry>Generate object code</entry>
1283               <entry>dynamic</entry>
1284               <entry>-</entry>
1285             </row>
1286           </tbody>
1287         </tgroup>
1288       </informaltable>
1289     </sect2>
1290
1291     <sect2>
1292       <title>Linking options</title>
1293
1294       <para><xref linkend="options-linker"/></para>
1295
1296       <informaltable>
1297         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1298           <thead>
1299             <row>
1300               <entry>Flag</entry>
1301               <entry>Description</entry>
1302               <entry>Static/Dynamic</entry>
1303               <entry>Reverse</entry>
1304             </row>
1305           </thead>
1306           <tbody>
1307             <row>
1308               <entry><option>-fPIC</option></entry>
1309               <entry>Generate position-independent code (where available)</entry>
1310               <entry>static</entry>
1311               <entry>-</entry>
1312             </row>
1313             <row>
1314               <entry><option>-dynamic</option></entry>
1315               <entry>Use dynamic Haskell libraries (if available)</entry>
1316               <entry>static</entry>
1317               <entry>-</entry>
1318             </row>
1319             <row>
1320               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1321               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1322                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1323               <entry>dynamic</entry>
1324               <entry>-</entry>
1325             </row>
1326             <row>
1327               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1328               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1329                 directories searched for frameworks.
1330                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1331               <entry>dynamic</entry>
1332               <entry>-</entry>
1333             </row>
1334             <row>
1335               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1336               <entry>Link in library <replaceable>lib</replaceable></entry>
1337               <entry>dynamic</entry>
1338               <entry>-</entry>
1339             </row>
1340             <row>
1341               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1342               <entry>Add <replaceable>dir</replaceable> to the list of
1343               directories searched for libraries</entry>
1344               <entry>dynamic</entry>
1345               <entry>-</entry>
1346             </row>
1347             <row>
1348               <entry><option>-main-is</option></entry>
1349               <entry>Set main module and function</entry>
1350               <entry>dynamic</entry>
1351               <entry>-</entry>
1352             </row>
1353             <row>
1354               <entry><option>--mk-dll</option></entry>
1355               <entry>DLL-creation mode (Windows only)</entry>
1356               <entry>dynamic</entry>
1357               <entry>-</entry>
1358             </row>
1359             <row>
1360               <entry><option>-no-hs-main</option></entry>
1361               <entry>Don't assume this program contains <literal>main</literal></entry>
1362               <entry>dynamic</entry>
1363               <entry>-</entry>
1364             </row>
1365             <row>
1366               <entry><option>-no-link</option></entry>
1367               <entry>Omit linking</entry>
1368               <entry>dynamic</entry>
1369               <entry>-</entry>
1370             </row>
1371             <row>
1372               <entry><option>-split-objs</option></entry>
1373               <entry>Split objects (for libraries)</entry>
1374               <entry>dynamic</entry>
1375               <entry>-</entry>
1376             </row>
1377             <row>
1378               <entry><option>-static</option></entry>
1379               <entry>Use static Haskell libraries</entry>
1380               <entry>static</entry>
1381               <entry>-</entry>
1382             </row>
1383             <row>
1384               <entry><option>-threaded</option></entry>
1385               <entry>Use the threaded runtime</entry>
1386               <entry>static</entry>
1387               <entry>-</entry>
1388             </row>
1389             <row>
1390               <entry><option>-debug</option></entry>
1391               <entry>Use the debugging runtime</entry>
1392               <entry>static</entry>
1393               <entry>-</entry>
1394             </row>
1395           </tbody>
1396         </tgroup>
1397       </informaltable>
1398     </sect2>
1399
1400     <sect2>
1401       <title>Replacing phases</title>
1402
1403       <para><xref linkend="replacing-phases"/></para>
1404
1405       <informaltable>
1406         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1407           <thead>
1408             <row>
1409               <entry>Flag</entry>
1410               <entry>Description</entry>
1411               <entry>Static/Dynamic</entry>
1412               <entry>Reverse</entry>
1413             </row>
1414           </thead>
1415           <tbody>
1416             <row>
1417               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1418               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1419               <entry>dynamic</entry>
1420               <entry>-</entry>
1421             </row>
1422             <row>
1423               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1424               <entry>Use <replaceable>cmd</replaceable> as the C
1425               pre-processor (with <option>-cpp</option> only)</entry>
1426               <entry>dynamic</entry>
1427               <entry>-</entry>
1428             </row>
1429             <row>
1430               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1431               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1432               <entry>dynamic</entry>
1433               <entry>-</entry>
1434             </row>
1435             <row>
1436               <entry><option>-pgmm</option> <replaceable>cmd</replaceable></entry>
1437               <entry>Use <replaceable>cmd</replaceable> as the mangler</entry>
1438               <entry>dynamic</entry>
1439               <entry>-</entry>
1440             </row>
1441             <row>
1442               <entry><option>-pgms</option> <replaceable>cmd</replaceable></entry>
1443               <entry>Use <replaceable>cmd</replaceable> as the splitter</entry>
1444               <entry>dynamic</entry>
1445               <entry>-</entry>
1446             </row>
1447             <row>
1448               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1449               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1450               <entry>dynamic</entry>
1451               <entry>-</entry>
1452             </row>
1453             <row>
1454               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1455               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1456               <entry>dynamic</entry>
1457               <entry>-</entry>
1458             </row>
1459             <row>
1460               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1461               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1462               <entry>dynamic</entry>
1463               <entry>-</entry>
1464             </row>
1465             <row>
1466               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1467               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1468               (with <option>-F</option> only)</entry>
1469               <entry>dynamic</entry>
1470               <entry>-</entry>
1471             </row>
1472           </tbody>
1473         </tgroup>
1474       </informaltable>
1475       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1476       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1477       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1478       <indexterm><primary><option>-pgma</option></primary></indexterm>
1479       <indexterm><primary><option>-pgml</option></primary></indexterm>
1480       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1481       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1482
1483     </sect2>
1484
1485     <sect2>
1486       <title>Forcing options to particular phases</title>
1487
1488       <para><xref linkend="forcing-options-through"/></para>
1489
1490       <informaltable>
1491         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1492           <thead>
1493             <row>
1494               <entry>Flag</entry>
1495               <entry>Description</entry>
1496               <entry>Static/Dynamic</entry>
1497               <entry>Reverse</entry>
1498             </row>
1499           </thead>
1500           <tbody>
1501             <row>
1502               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1503               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1504               <entry>dynamic</entry>
1505               <entry>-</entry>
1506             </row>
1507             <row>
1508               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1509               <entry>pass <replaceable>option</replaceable> to cpp (with
1510               <option>-cpp</option> only)</entry>
1511               <entry>dynamic</entry>
1512               <entry>-</entry>
1513             </row>
1514             <row>
1515               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1516               <entry>pass <replaceable>option</replaceable> to the
1517               custom pre-processor</entry>
1518               <entry>dynamic</entry>
1519               <entry>-</entry>
1520             </row>
1521             <row>
1522               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1523               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1524               <entry>dynamic</entry>
1525               <entry>-</entry>
1526             </row>
1527             <row>
1528               <entry><option>-optm</option> <replaceable>option</replaceable></entry>
1529               <entry>pass <replaceable>option</replaceable> to the mangler</entry>
1530               <entry>dynamic</entry>
1531               <entry>-</entry>
1532             </row>
1533             <row>
1534               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1535               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1536               <entry>dynamic</entry>
1537               <entry>-</entry>
1538             </row>
1539             <row>
1540               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1541               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1542               <entry>dynamic</entry>
1543               <entry>-</entry>
1544             </row>
1545             <row>
1546               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1547               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1548               <entry>dynamic</entry>
1549               <entry>-</entry>
1550             </row>
1551             <row>
1552               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1553               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1554               <entry>dynamic</entry>
1555               <entry>-</entry>
1556             </row>
1557           </tbody>
1558         </tgroup>
1559       </informaltable>
1560     </sect2>
1561
1562     <sect2>
1563       <title>Platform-specific options</title>
1564
1565       <para><xref linkend="options-platform"/></para>
1566
1567       <informaltable>
1568         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1569           <thead>
1570             <row>
1571               <entry>Flag</entry>
1572               <entry>Description</entry>
1573               <entry>Static/Dynamic</entry>
1574               <entry>Reverse</entry>
1575             </row>
1576           </thead>
1577           <tbody>
1578             <row>
1579               <entry><option>-monly-[432]-regs</option></entry>
1580               <entry>(x86 only) give some registers back to the C compiler</entry>
1581               <entry>dynamic</entry>
1582               <entry>-</entry>
1583             </row>
1584           </tbody>
1585         </tgroup>
1586       </informaltable>
1587     </sect2>
1588
1589
1590     <sect2>
1591       <title>External core file options</title>
1592
1593       <para><xref linkend="ext-core"/></para>
1594
1595       <informaltable>
1596         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1597           <thead>
1598             <row>
1599               <entry>Flag</entry>
1600               <entry>Description</entry>
1601               <entry>Static/Dynamic</entry>
1602               <entry>Reverse</entry>
1603             </row>
1604           </thead>
1605           <tbody>
1606             <row>
1607               <entry><option>-fext-core</option></entry>
1608               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1609               <entry>static</entry>
1610               <entry>-</entry>
1611             </row>
1612           </tbody>
1613         </tgroup>
1614       </informaltable>
1615     </sect2>
1616
1617
1618     <sect2>
1619       <title>Compiler debugging options</title>
1620
1621       <para><xref linkend="options-debugging"/></para>
1622
1623       <informaltable>
1624         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1625           <thead>
1626             <row>
1627               <entry>Flag</entry>
1628               <entry>Description</entry>
1629               <entry>Static/Dynamic</entry>
1630               <entry>Reverse</entry>
1631             </row>
1632           </thead>
1633           <tbody>
1634             <row>
1635               <entry><option>-dcore-lint</option></entry>
1636               <entry>Turn on internal sanity checking</entry>
1637               <entry>dynamic</entry>
1638               <entry>-</entry>
1639             </row>
1640             <row>
1641               <entry><option>-ddump-asm</option></entry>
1642               <entry>Dump assembly</entry>
1643               <entry>dynamic</entry>
1644               <entry>-</entry>
1645             </row>
1646             <row>
1647               <entry><option>-ddump-bcos</option></entry>
1648               <entry>Dump interpreter byte code</entry>
1649               <entry>dynamic</entry>
1650               <entry>-</entry>
1651             </row>
1652             <row>
1653               <entry><option>-ddump-cmm</option></entry>
1654               <entry>Dump C-- output</entry>
1655               <entry>dynamic</entry>
1656               <entry>-</entry>
1657             </row>
1658             <row>
1659               <entry><option>-ddump-cpranal</option></entry>
1660               <entry>Dump output from CPR analysis</entry>
1661               <entry>dynamic</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-ddump-cse</option></entry>
1666               <entry>Dump CSE output</entry>
1667               <entry>dynamic</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-ddump-deriv</option></entry>
1672               <entry>Dump deriving output</entry>
1673               <entry>dynamic</entry>
1674               <entry>-</entry>
1675             </row>
1676             <row>
1677               <entry><option>-ddump-ds</option></entry>
1678               <entry>Dump desugarer output</entry>
1679               <entry>dynamic</entry>
1680               <entry>-</entry>
1681             </row>
1682             <row>
1683               <entry><option>-ddump-flatC</option></entry>
1684               <entry>Dump &ldquo;flat&rdquo; C</entry>
1685               <entry>dynamic</entry>
1686               <entry>-</entry>
1687             </row>
1688             <row>
1689               <entry><option>-ddump-foreign</option></entry>
1690               <entry>Dump <literal>foreign export</literal> stubs</entry>
1691               <entry>dynamic</entry>
1692               <entry>-</entry>
1693             </row>
1694             <row>
1695               <entry><option>-ddump-inlinings</option></entry>
1696               <entry>Dump inlining info</entry>
1697               <entry>dynamic</entry>
1698               <entry>-</entry>
1699             </row>
1700             <row>
1701               <entry><option>-ddump-occur-anal</option></entry>
1702               <entry>Dump occurrence analysis output</entry>
1703               <entry>dynamic</entry>
1704               <entry>-</entry>
1705             </row>
1706             <row>
1707               <entry><option>-ddump-opt-cmm</option></entry>
1708               <entry>Dump the results of C-- to C-- optimising passes</entry>
1709               <entry>dynamic</entry>
1710               <entry>-</entry>
1711             </row>
1712             <row>
1713               <entry><option>-ddump-parsed</option></entry>
1714               <entry>Dump parse tree</entry>
1715               <entry>dynamic</entry>
1716               <entry>-</entry>
1717             </row>
1718             <row>
1719               <entry><option>-ddump-prep</option></entry>
1720               <entry>Dump prepared core</entry>
1721               <entry>dynamic</entry>
1722               <entry>-</entry>
1723             </row>
1724             <row>
1725               <entry><option>-ddump-rn</option></entry>
1726               <entry>Dump renamer output</entry>
1727               <entry>dynamic</entry>
1728               <entry>-</entry>
1729             </row>
1730             <row>
1731               <entry><option>-ddump-rules</option></entry>
1732               <entry>Dump rules</entry>
1733               <entry>dynamic</entry>
1734               <entry>-</entry>
1735             </row>
1736             <row>
1737               <entry><option>-ddump-simpl</option></entry>
1738               <entry>Dump final simplifier output</entry>
1739               <entry>dynamic</entry>
1740               <entry>-</entry>
1741             </row>
1742             <row>
1743               <entry><option>-ddump-simpl-iterations</option></entry>
1744               <entry>Dump output from each simplifier iteration</entry>
1745               <entry>dynamic</entry>
1746               <entry>-</entry>
1747             </row>
1748             <row>
1749               <entry><option>-ddump-spec</option></entry>
1750               <entry>Dump specialiser output</entry>
1751               <entry>dynamic</entry>
1752               <entry>-</entry>
1753             </row>
1754             <row>
1755               <entry><option>-ddump-splices</option></entry>
1756               <entry>Dump TH splided expressions, and what they evaluate to</entry>
1757               <entry>dynamic</entry>
1758               <entry>-</entry>
1759             </row>
1760             <row>
1761               <entry><option>-ddump-stg</option></entry>
1762               <entry>Dump final STG</entry>
1763               <entry>dynamic</entry>
1764               <entry>-</entry>
1765             </row>
1766             <row>
1767               <entry><option>-ddump-stranal</option></entry>
1768               <entry>Dump strictness analyser output</entry>
1769               <entry>dynamic</entry>
1770               <entry>-</entry>
1771             </row>
1772             <row>
1773               <entry><option>-ddump-tc</option></entry>
1774               <entry>Dump typechecker output</entry>
1775               <entry>dynamic</entry>
1776               <entry>-</entry>
1777             </row>
1778             <row>
1779               <entry><option>-ddump-types</option></entry>
1780               <entry>Dump type signatures</entry>
1781               <entry>dynamic</entry>
1782               <entry>-</entry>
1783             </row>
1784             <row>
1785               <entry><option>-ddump-worker-wrapper</option></entry>
1786               <entry>Dump worker-wrapper output</entry>
1787               <entry>dynamic</entry>
1788               <entry>-</entry>
1789             </row>
1790             <row>
1791               <entry><option>-ddump-if-trace</option></entry>
1792               <entry>Trace interface files</entry>
1793               <entry>dynamic</entry>
1794               <entry>-</entry>
1795             </row>
1796             <row>
1797               <entry><option>-ddump-tc-trace</option></entry>
1798               <entry>Trace typechecker</entry>
1799               <entry>dynamic</entry>
1800               <entry>-</entry>
1801             </row>
1802             <row>
1803               <entry><option>-ddump-rn-trace</option></entry>
1804               <entry>Trace renamer</entry>
1805               <entry>dynamic</entry>
1806               <entry>-</entry>
1807             </row>
1808             <row>
1809               <entry><option>-ddump-rn-stats</option></entry>
1810               <entry>Renamer stats</entry>
1811               <entry>dynamic</entry>
1812               <entry>-</entry>
1813             </row>
1814             <row>
1815               <entry><option>-ddump-simpl-stats</option></entry>
1816               <entry>Dump simplifier stats</entry>
1817               <entry>dynamic</entry>
1818               <entry>-</entry>
1819             </row>
1820             <row>
1821               <entry><option>-dppr-debug</option></entry>
1822               <entry>Turn on debug printing (more verbose)</entry>
1823               <entry>static</entry>
1824               <entry>-</entry>
1825             </row>
1826             <row>
1827               <entry><option>-dppr-noprags</option></entry>
1828               <entry>Don't output pragma info in dumps</entry>
1829               <entry>static</entry>
1830               <entry>-</entry>
1831             </row>
1832             <row>
1833               <entry><option>-dppr-user-length</option></entry>
1834               <entry>Set the depth for printing expressions in error msgs</entry>
1835               <entry>static</entry>
1836               <entry>-</entry>
1837             </row>
1838             <row>
1839               <entry><option>-dsource-stats</option></entry>
1840               <entry>Dump haskell source stats</entry>
1841               <entry>dynamic</entry>
1842               <entry>-</entry>
1843             </row>
1844             <row>
1845               <entry><option>-dcmm-lint</option></entry>
1846               <entry>C-- pass sanity checking</entry>
1847               <entry>dynamic</entry>
1848               <entry>-</entry>
1849             </row>
1850             <row>
1851               <entry><option>-dstg-lint</option></entry>
1852               <entry>STG pass sanity checking</entry>
1853               <entry>dynamic</entry>
1854               <entry>-</entry>
1855             </row>
1856             <row>
1857               <entry><option>-dstg-stats</option></entry>
1858               <entry>Dump STG stats</entry>
1859               <entry>dynamic</entry>
1860               <entry>-</entry>
1861             </row>
1862             <row>
1863               <entry><option>-dverbose-core2core</option></entry>
1864               <entry>Show output from each core-to-core pass</entry>
1865               <entry>dynamic</entry>
1866               <entry>-</entry>
1867             </row>
1868             <row>
1869               <entry><option>-dverbose-stg2stg</option></entry>
1870               <entry>Show output from each STG-to-STG pass</entry>
1871               <entry>dynamic</entry>
1872               <entry>-</entry>
1873             </row>
1874             <row>
1875               <entry><option>-dshow-passes</option></entry>
1876               <entry>Print out each pass name as it happens</entry>
1877               <entry>dynamic</entry>
1878               <entry>-</entry>
1879             </row>
1880             <row>
1881               <entry><option>-dfaststring-stats</option></entry>
1882               <entry>Show statistics for fast string usage when finished</entry>
1883               <entry>dynamic</entry>
1884               <entry>-</entry>
1885             </row>
1886             <row>
1887               <entry><option>-unreg</option></entry>
1888               <entry>Enable unregisterised compilation</entry>
1889               <entry>static</entry>
1890               <entry>-</entry>
1891             </row>
1892           </tbody>
1893         </tgroup>
1894       </informaltable>
1895     </sect2>
1896
1897     <sect2>
1898       <title>Misc compiler options</title>
1899
1900       <informaltable>
1901         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1902           <thead>
1903             <row>
1904               <entry>Flag</entry>
1905               <entry>Description</entry>
1906               <entry>Static/Dynamic</entry>
1907               <entry>Reverse</entry>
1908             </row>
1909           </thead>
1910           <tbody>
1911             <row>
1912               <entry><option>-fno-hi-version-check</option></entry>
1913               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1914               <entry>static</entry>
1915               <entry>-</entry>
1916             </row>
1917             <row>
1918               <entry><option>-dno-black-holing</option></entry>
1919               <entry>Turn off black holing (probably doesn't work)</entry>
1920               <entry>static</entry>
1921               <entry>-</entry>
1922             </row>
1923             <row>
1924               <entry><option>-fno-method-sharing</option></entry>
1925               <entry>Don't share specialisations of overloaded functions</entry>
1926               <entry>static</entry>
1927               <entry>-</entry>
1928             </row>
1929             <row>
1930               <entry><option>-fhistory-size</option></entry>
1931               <entry>Set simplification history size</entry>
1932               <entry>static</entry>
1933               <entry>-</entry>
1934             </row>
1935             <row>
1936               <entry><option>-funregisterised</option></entry>
1937               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1938               <entry>static</entry>
1939               <entry>-</entry>
1940             </row>
1941             <row>
1942               <entry><option>-fno-asm-mangling</option></entry>
1943               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1944               <entry>dynamic</entry>
1945               <entry>-</entry>
1946             </row>
1947             <row>
1948               <entry><option>-fno-print-bind-result</option></entry>
1949               <entry><link linkend="ghci-stmts">Turn off printing of binding results in GHCi</link></entry>
1950               <entry>dynamic</entry>
1951               <entry>-</entry>
1952             </row>
1953           </tbody>
1954         </tgroup>
1955       </informaltable>
1956     </sect2>
1957   </sect1>
1958
1959
1960 <!--
1961 Still to document:
1962
1963 Misc:
1964   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1965
1966   -Bdir
1967 -->
1968
1969 <!-- Emacs stuff:
1970      ;;; Local Variables: ***
1971      ;;; mode: xml ***
1972      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1973      ;;; End: ***
1974  -->