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             <row>
 497               <entry><option>-fno-print-bind-result</option></entry>
 498               <entry><link linkend="ghci-stmts">Turn off printing of binding results in GHCi</link></entry>
 499               <entry>dynamic</entry>
 500               <entry>-</entry>
 501             </row>
 502           </tbody>
 503         </tgroup>
 504       </informaltable>
 505     </sect2>
 506
 507     <sect2>
 508       <title>Packages</title>
 509
 510       <para><xref linkend="packages"/></para>
 511
 512       <informaltable>
 513         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 514           <thead>
 515             <row>
 516               <entry>Flag</entry>
 517               <entry>Description</entry>
 518               <entry>Static/Dynamic</entry>
 519               <entry>Reverse</entry>
 520             </row>
 521           </thead>
 522           <tbody>
 523             <row>
 524               <entry><option>-package-name</option> <replaceable>P</replaceable></entry>
 525               <entry>Compile to be part of package <replaceable>P</replaceable></entry>
 526               <entry>dynamic</entry>
 527               <entry>-</entry>
 528             </row>
 529             <row>
 530               <entry><option>-package</option> <replaceable>P</replaceable></entry>
 531               <entry>Expose package <replaceable>P</replaceable></entry>
 532               <entry>static/<literal>:set</literal></entry>
 533               <entry>-</entry>
 534             </row>
 535             <row>
 536               <entry><option>-hide-all-packages</option></entry>
 537               <entry>Hide all packages by default</entry>
 538               <entry>static</entry>
 539               <entry>-</entry>
 540             </row>
 541             <row>
 542               <entry><option>-hide-package</option> <replaceable>name</replaceable></entry>
 543               <entry>Hide package <replaceable>P</replaceable></entry>
 544               <entry>static/<literal>:set</literal></entry>
 545               <entry>-</entry>
 546             </row>
 547             <row>
 548               <entry><option>-ignore-package</option> <replaceable>name</replaceable></entry>
 549               <entry>Ignore package <replaceable>P</replaceable></entry>
 550               <entry>static/<literal>:set</literal></entry>
 551               <entry>-</entry>
 552             </row>
 553             <row>
 554               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 555               <entry>Load more packages from <replaceable>file</replaceable></entry>
 556               <entry>static</entry>
 557               <entry>-</entry>
 558             </row>
 559             <row>
 560               <entry><option>-no-user-package-conf</option></entry>
 561               <entry>Don't load the user's package config file.</entry>
 562               <entry>static</entry>
 563               <entry>-</entry>
 564             </row>
 565           </tbody>
 566         </tgroup>
 567       </informaltable>
 568     </sect2>
 569
 570     <sect2>
 571       <title>Language options</title>
 572
 573       <para><xref linkend="options-language"/></para>
 574
 575       <informaltable>
 576         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 577           <thead>
 578             <row>
 579               <entry>Flag</entry>
 580               <entry>Description</entry>
 581               <entry>Static/Dynamic</entry>
 582               <entry>Reverse</entry>
 583             </row>
 584           </thead>
 585           <tbody>
 586             <row>
 587               <entry><option>-fallow-overlapping-instances</option></entry>
 588               <entry>Enable <link linkend="instance-overlap">overlapping instances</link></entry>
 589               <entry>dynamic</entry>
 590               <entry><option>-fno-allow-overlapping-instances</option></entry>
 591             </row>
 592             <row>
 593               <entry><option>-fallow-incoherent-instances</option></entry>
 594               <entry>Enable <link linkend="instance-overlap">incoherent instances</link>.
 595               Implies <option>-fallow-overlapping-instances</option> </entry>
 596               <entry>dynamic</entry>
 597               <entry><option>-fno-allow-incoherent-instances</option></entry>
 598             </row>
 599             <row>
 600               <entry><option>-fallow-undecidable-instances</option></entry>
 601               <entry>Enable <link linkend="undecidable-instances">undecidable instances</link></entry>
 602               <entry>dynamic</entry>
 603               <entry><option>-fno-allow-undecidable-instances</option></entry>
 604             </row>
 605             <row>
 606               <entry><option>-fcontext-stack=N</option><replaceable>n</replaceable></entry>
 607               <entry>set the <link linkend="undecidable-instances">limit for context reduction</link></entry>
 608               <entry>dynamic</entry>
 609               <entry><option>20</option></entry>
 610             </row>
 611             <row>
 612               <entry><option>-farrows</option></entry>
 613               <entry>Enable <link linkend="arrow-notation">arrow
 614               notation</link> extension</entry>
 615               <entry>dynamic</entry>
 616               <entry><option>-fno-arrows</option></entry>
 617             </row>
 618             <row>
 619               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 620               <entry>Enable <link linkend="ffi">foreign function interface</link> (implied by
 621               <option>-fglasgow-exts</option>)</entry>
 622               <entry>dynamic</entry>
 623               <entry><option>-fno-ffi</option></entry>
 624             </row>
 625             <row>
 626               <entry><option>-fgenerics</option></entry>
 627               <entry>Enable <link linkend="generic-classes">generic classes</link></entry>
 628               <entry>dynamic</entry>
 629               <entry><option>-fno-fgenerics</option></entry>
 630             </row>
 631             <row>
 632               <entry><option>-fglasgow-exts</option></entry>
 633               <entry>Enable most language extensions</entry>
 634               <entry>dynamic</entry>
 635               <entry><option>-fno-glasgow-exts</option></entry>
 636             </row>
 637             <row>
 638               <entry><option>-fimplicit-params</option></entry>
 639               <entry>Enable <link linkend="implicit-parameters">Implicit Parameters</link>.
 640               Implied by <option>-fglasgow-exts</option>.</entry>
 641               <entry>dynamic</entry>
 642               <entry><option>-fno-implicit-params</option></entry>
 643             </row>
 644             <row>
 645               <entry><option>-firrefutable-tuples</option></entry>
 646               <entry>Make tuple pattern matching irrefutable</entry>
 647               <entry>dynamic</entry>
 648               <entry><option>-fno-irrefutable-tuples</option></entry>
 649             </row>
 650             <row>
 651               <entry><option>-fno-implicit-prelude</option></entry>
 652               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 653               <entry>dynamic</entry>
 654               <entry><option>-fimplicit-prelude</option></entry>
 655             </row>
 656             <row>
 657               <entry><option>-fno-monomorphism-restriction</option></entry>
 658               <entry>Disable the <link linkend="monomorphism">monomorphism restriction</link></entry>
 659               <entry>dynamic</entry>
 660               <entry><option>-fmonomorphism-restriction</option></entry>
 661             </row>
 662             <row>
 663               <entry><option>-fno-mono-pat-binds</option></entry>
 664               <entry>Make <link linkend="monomorphism">pattern bindings polymorphic</link></entry>
 665               <entry>dynamic</entry>
 666               <entry><option>-fmono-pat-binds</option></entry>
 667             </row>
 668             <row>
 669               <entry><option>-fextended-default-rules</option></entry>
 670               <entry>Use GHCi's <link linkend="extended-default-rules">extended default rules</link> in a normal module</entry>
 671               <entry>dynamic</entry>
 672               <entry><option>-fno-extended-default-rules</option></entry>
 673             </row>
 674             <row>
 675               <entry><option>-foverloaded-strings</option></entry>
 676               <entry>Enable <link linkend="overloaded-strings">overloaded string literals</link>.
 677               </entry>
 678               <entry>dynamic</entry>
 679               <entry><option>-fno-overloaded-strings</option></entry>
 680             </row>
 681             <row>
 682               <entry><option>-fscoped-type-variables</option></entry>
 683               <entry>Enable <link linkend="scoped-type-variables">lexically-scoped type variables</link>.
 684               Implied by <option>-fglasgow-exts</option>.</entry>
 685               <entry>dynamic</entry>
 686               <entry><option>-fno-scoped-type-variables</option></entry>
 687             </row>
 688             <row>
 689               <entry><option>-fth</option></entry>
 690               <entry>Enable <link linkend="template-haskell">Template Haskell</link>.
 691                 No longer implied by <option>-fglasgow-exts</option>.</entry>
 692               <entry>dynamic</entry>
 693               <entry><option>-fno-th</option></entry>
 694             </row>
 695             <row>
 696               <entry><option>-fbang-patterns</option></entry>
 697               <entry>Enable <link linkend="bang-patterns">bang patterns</link>.</entry>
 698               <entry>dynamic</entry>
 699               <entry><option>-fno-bang-patterns</option></entry>
 700             </row>
 701           </tbody>
 702         </tgroup>
 703       </informaltable>
 704     </sect2>
 705
 706     <sect2>
 707       <title>Warnings</title>
 708
 709       <para><xref linkend="options-sanity"/></para>
 710
 711     <informaltable>
 712       <tgroup cols="4" align="left" colsep="1" rowsep="1">
 713         <thead>
 714           <row>
 715             <entry>Flag</entry>
 716             <entry>Description</entry>
 717             <entry>Static/Dynamic</entry>
 718             <entry>Reverse</entry>
 719           </row>
 720         </thead>
 721         <tbody>
 722           <row>
 723             <entry><option>-W</option></entry>
 724             <entry>enable normal warnings</entry>
 725             <entry>dynamic</entry>
 726             <entry><option>-w</option></entry>
 727           </row>
 728           <row>
 729             <entry><option>-w</option></entry>
 730             <entry>disable all warnings</entry>
 731             <entry>dynamic</entry>
 732             <entry>-</entry>
 733           </row>
 734           <row>
 735             <entry><option>-Wall</option></entry>
 736             <entry>enable all warnings</entry>
 737             <entry>dynamic</entry>
 738             <entry><option>-w</option></entry>
 739           </row>
 740           <row>
 741             <entry><option>-Werror</option></entry>
 742             <entry>make warnings fatal</entry>
 743             <entry>dynamic</entry>
 744             <entry></entry>
 745           </row>
 746
 747           <row>
 748             <entry><option>-fwarn-deprecations</option></entry>
 749             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 750             <entry>dynamic</entry>
 751             <entry><option>-fno-warn-deprecations</option></entry>
 752           </row>
 753
 754           <row>
 755             <entry><option>-fwarn-duplicate-exports</option></entry>
 756             <entry>warn when an entity is exported multiple times</entry>
 757             <entry>dynamic</entry>
 758             <entry><option>-fno-warn-duplicate-exports</option></entry>
 759           </row>
 760
 761           <row>
 762             <entry><option>-fwarn-hi-shadowing</option></entry>
 763             <entry>warn when a <literal>.hi</literal> file in the
 764             current directory shadows a library</entry>
 765             <entry>dynamic</entry>
 766             <entry><option>-fno-warn-hi-shadowing</option></entry>
 767           </row>
 768
 769           <row>
 770             <entry><option>-fwarn-incomplete-patterns</option></entry>
 771             <entry>warn when a pattern match could fail</entry>
 772             <entry>dynamic</entry>
 773             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 774           </row>
 775
 776           <row>
 777             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 778             <entry>warn when a record update could fail</entry>
 779             <entry>dynamic</entry>
 780             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 781           </row>
 782
 783           <row>
 784             <entry><option>-fwarn-missing-fields</option></entry>
 785             <entry>warn when fields of a record are uninitialised</entry>
 786             <entry>dynamic</entry>
 787             <entry><option>-fno-warn-missing-fields</option></entry>
 788           </row>
 789
 790           <row>
 791             <entry><option>-fwarn-missing-methods</option></entry>
 792             <entry>warn when class methods are undefined</entry>
 793             <entry>dynamic</entry>
 794             <entry><option>-fno-warn-missing-methods</option></entry>
 795           </row>
 796
 797           <row>
 798             <entry><option>-fwarn-missing-signatures</option></entry>
 799             <entry>warn about top-level functions without signatures</entry>
 800             <entry>dynamic</entry>
 801             <entry><option>-fno-warn-missing-signatures</option></entry>
 802           </row>
 803
 804           <row>
 805             <entry><option>-fwarn-name-shadowing</option></entry>
 806             <entry>warn when names are shadowed</entry>
 807             <entry>dynamic</entry>
 808             <entry><option>-fno-warn-name-shadowing</option></entry>
 809           </row>
 810
 811           <row>
 812             <entry><option>-fwarn-orphans</option></entry>
 813             <entry>warn when the module contains "orphan" instance declarations
 814             or rewrite rules</entry>
 815             <entry>dynamic</entry>
 816             <entry><option>-fno-warn-orphans</option></entry>
 817           </row>
 818
 819           <row>
 820             <entry><option>-fwarn-overlapping-patterns</option></entry>
 821             <entry>warn about overlapping patterns</entry>
 822             <entry>dynamic</entry>
 823             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 824           </row>
 825
 826           <row>
 827             <entry><option>-fwarn-simple-patterns</option></entry>
 828             <entry>warn about lambda-patterns that can fail</entry>
 829             <entry>dynamic</entry>
 830             <entry><option>-fno-warn-simple-patterns</option></entry>
 831           </row>
 832
 833           <row>
 834             <entry><option>-fwarn-tabs</option></entry>
 835             <entry>warn if there are tabs in the source file</entry>
 836             <entry>dynamic</entry>
 837             <entry><option>-fno-warn-tabs</option></entry>
 838           </row>
 839
 840           <row>
 841             <entry><option>-fwarn-type-defaults</option></entry>
 842             <entry>warn when defaulting happens</entry>
 843             <entry>dynamic</entry>
 844             <entry><option>-fno-warn-type-defaults</option></entry>
 845           </row>
 846
 847           <row>
 848             <entry><option>-fwarn-monomorphism-restriction</option></entry>
 849             <entry>warn when the Monomorphism Restriction is applied</entry>
 850             <entry>dynamic</entry>
 851             <entry><option>-fno-warn-monomorphism-restriction</option></entry>
 852           </row>
 853
 854           <row>
 855             <entry><option>-fwarn-unused-binds</option></entry>
 856             <entry>warn about bindings that are unused</entry>
 857             <entry>dynamic</entry>
 858             <entry><option>-fno-warn-unused-binds</option></entry>
 859           </row>
 860
 861           <row>
 862             <entry><option>-fwarn-unused-imports</option></entry>
 863             <entry>warn about unnecessary imports</entry>
 864             <entry>dynamic</entry>
 865             <entry><option>-fno-warn-unused-imports</option></entry>
 866           </row>
 867
 868           <row>
 869             <entry><option>-fwarn-unused-matches</option></entry>
 870             <entry>warn about variables in patterns that aren't used</entry>
 871             <entry>dynamic</entry>
 872             <entry><option>-fno-warn-unused-matches</option></entry>
 873           </row>
 874
 875           </tbody>
 876         </tgroup>
 877       </informaltable>
 878
 879     </sect2>
 880     <sect2>
 881       <title>Optimisation levels</title>
 882
 883       <para><xref linkend="options-optimise"/></para>
 884
 885       <informaltable>
 886         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 887           <thead>
 888             <row>
 889               <entry>Flag</entry>
 890               <entry>Description</entry>
 891               <entry>Static/Dynamic</entry>
 892               <entry>Reverse</entry>
 893             </row>
 894           </thead>
 895           <tbody>
 896             <row>
 897               <entry><option>-O</option></entry>
 898               <entry>Enable default optimisation (level 1)</entry>
 899               <entry>dynamic</entry>
 900               <entry><option>-O0</option></entry>
 901             </row>
 902             <row>
 903               <entry><option>-O</option><replaceable>n</replaceable></entry>
 904               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 905               <entry>dynamic</entry>
 906               <entry><option>-O0</option></entry>
 907             </row>
 908           </tbody>
 909         </tgroup>
 910       </informaltable>
 911
 912     </sect2>
 913     <sect2>
 914       <title>Individual optimisations</title>
 915
 916       <para><xref linkend="options-f"/></para>
 917
 918       <informaltable>
 919         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 920           <thead>
 921             <row>
 922               <entry>Flag</entry>
 923               <entry>Description</entry>
 924               <entry>Static/Dynamic</entry>
 925               <entry>Reverse</entry>
 926             </row>
 927           </thead>
 928           <tbody>
 929             <row>
 930               <entry><option>-fcase-merge</option></entry>
 931               <entry>Enable case-merging</entry>
 932               <entry>dynamic</entry>
 933               <entry><option>-fno-case-merge</option></entry>
 934             </row>
 935
 936             <row>
 937               <entry><option>-fdicts-strict</option></entry>
 938               <entry>Make dictionaries strict</entry>
 939               <entry>static</entry>
 940               <entry><option>-fno-dicts-strict</option></entry>
 941             </row>
 942
 943             <row>
 944               <entry><option>-fdo-eta-reduction</option></entry>
 945               <entry>Enable eta-reduction</entry>
 946               <entry>dynamic</entry>
 947               <entry><option>-fno-do-eta-reduction</option></entry>
 948             </row>
 949
 950             <row>
 951               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 952               <entry>Enable lambda eta-reduction</entry>
 953               <entry>dynamic</entry>
 954               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 955             </row>
 956
 957             <row>
 958               <entry><option>-fexcess-precision</option></entry>
 959               <entry>Enable excess intermediate precision</entry>
 960               <entry>dynamic</entry>
 961               <entry><option>-fno-excess-precision</option></entry>
 962             </row>
 963
 964             <row>
 965               <entry><option>-frules-off</option></entry>
 966               <entry>Switch off all rewrite rules (including rules
 967               generated by automatic specialisation of overloaded functions)</entry>
 968               <entry>static</entry>
 969               <entry><option>-frules-off</option></entry>
 970             </row>
 971
 972             <row>
 973               <entry><option>-fignore-asserts</option></entry>
 974               <entry>Ignore assertions in the source</entry>
 975               <entry>dynamic</entry>
 976               <entry><option>-fno-ignore-asserts</option></entry>
 977             </row>
 978
 979             <row>
 980               <entry><option>-fignore-interface-pragmas</option></entry>
 981               <entry>Ignore pragmas in interface files</entry>
 982               <entry>dynamic</entry>
 983               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 984             </row>
 985
 986             <row>
 987               <entry><option>-fliberate-case-threshold</option></entry>
 988               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 989               <entry>static</entry>
 990               <entry><option>-fno-liberate-case-threshold</option></entry>
 991             </row>
 992
 993             <row>
 994               <entry><option>-fomit-interface-pragmas</option></entry>
 995               <entry>Don't generate interface pragmas</entry>
 996               <entry>dynamic</entry>
 997               <entry><option>-fno-omit-interface-pragmas</option></entry>
 998             </row>
 999
1000             <row>
1001               <entry><option>-fmax-worker-args</option></entry>
1002               <entry>If a worker has that many arguments, none will be
1003                 unpacked anymore (default: 10)</entry>
1004               <entry>static</entry>
1005               <entry>-</entry>
1006             </row>
1007
1008             <row>
1009               <entry><option>-fmax-simplifier-iterations</option></entry>
1010               <entry>Set the max iterations for the simplifier</entry>
1011               <entry>dynamic</entry>
1012               <entry>-</entry>
1013             </row>
1014
1015             <row>
1016               <entry><option>-fno-state-hack</option></entry>
1017               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
1018               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
1019               <entry>static</entry>
1020               <entry>-</entry>
1021             </row>
1022
1023             <row>
1024               <entry><option>-fno-cse</option></entry>
1025               <entry>Turn off common sub-expression</entry>
1026               <entry>dynamic</entry>
1027               <entry>-</entry>
1028             </row>
1029
1030             <row>
1031               <entry><option>-fno-full-laziness</option></entry>
1032               <entry>Turn off full laziness (floating bindings outwards).</entry>
1033               <entry>dynamic</entry>
1034               <entry>-ffull-laziness</entry>
1035             </row>
1036
1037             <row>
1038               <entry><option>-fno-pre-inlining</option></entry>
1039               <entry>Turn off pre-inlining</entry>
1040               <entry>static</entry>
1041               <entry>-</entry>
1042             </row>
1043
1044             <row>
1045               <entry><option>-fno-strictness</option></entry>
1046               <entry>Turn off strictness analysis</entry>
1047               <entry>dynamic</entry>
1048               <entry>-</entry>
1049             </row>
1050
1051             <row>
1052               <entry><option>-funbox-strict-fields</option></entry>
1053               <entry>Flatten strict constructor fields</entry>
1054               <entry>dynamic</entry>
1055               <entry><option>-fno-unbox-strict-fields</option></entry>
1056             </row>
1057
1058             <row>
1059               <entry><option>-funfolding-creation-threshold</option></entry>
1060               <entry>Tweak unfolding settings</entry>
1061               <entry>static</entry>
1062               <entry><option>-fno-unfolding-creation-threshold</option></entry>
1063             </row>
1064
1065             <row>
1066               <entry><option>-funfolding-fun-discount</option></entry>
1067               <entry>Tweak unfolding settings</entry>
1068               <entry>static</entry>
1069               <entry><option>-fno-unfolding-fun-discount</option></entry>
1070             </row>
1071
1072             <row>
1073               <entry><option>-funfolding-keeness-factor</option></entry>
1074               <entry>Tweak unfolding settings</entry>
1075               <entry>static</entry>
1076               <entry><option>-fno-unfolding-keeness-factor</option></entry>
1077             </row>
1078
1079             <row>
1080               <entry><option>-funfolding-update-in-place</option></entry>
1081               <entry>Tweak unfolding settings</entry>
1082               <entry>static</entry>
1083               <entry><option>-fno-unfolding-update-in-place</option></entry>
1084             </row>
1085
1086             <row>
1087               <entry><option>-funfolding-use-threshold</option></entry>
1088               <entry>Tweak unfolding settings</entry>
1089               <entry>static</entry>
1090               <entry><option>-fno-unfolding-use-threshold</option></entry>
1091             </row>
1092           </tbody>
1093         </tgroup>
1094       </informaltable>
1095     </sect2>
1096
1097     <sect2>
1098       <title>Profiling options</title>
1099
1100       <para><xref linkend="profiling"/></para>
1101
1102       <informaltable>
1103         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1104           <thead>
1105             <row>
1106               <entry>Flag</entry>
1107               <entry>Description</entry>
1108               <entry>Static/Dynamic</entry>
1109               <entry>Reverse</entry>
1110             </row>
1111           </thead>
1112           <tbody>
1113             <row>
1114               <entry><option>-auto</option></entry>
1115               <entry>Auto-add <literal>_scc_</literal>s to all
1116               exported functions</entry>
1117               <entry>static</entry>
1118               <entry><option>-no-auto</option></entry>
1119             </row>
1120             <row>
1121               <entry><option>-auto-all</option></entry>
1122               <entry>Auto-add <literal>_scc_</literal>s to all
1123               top-level functions</entry>
1124               <entry>static</entry>
1125               <entry><option>-no-auto-all</option></entry>
1126             </row>
1127             <row>
1128               <entry><option>-caf-all</option></entry>
1129               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
1130               <entry>static</entry>
1131               <entry><option>-no-caf-all</option></entry>
1132             </row>
1133             <row>
1134               <entry><option>-prof</option></entry>
1135               <entry>Turn on profiling</entry>
1136               <entry>static</entry>
1137               <entry>-</entry>
1138             </row>
1139             <row>
1140               <entry><option>-ticky</option></entry>
1141               <entry>Turn on ticky-ticky profiling</entry>
1142               <entry>static</entry>
1143               <entry>-</entry>
1144             </row>
1145           </tbody>
1146         </tgroup>
1147       </informaltable>
1148     </sect2>
1149
1150     <sect2>
1151       <title>Haskell pre-processor options</title>
1152
1153       <para><xref linkend="pre-processor"/></para>
1154
1155       <informaltable>
1156         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1157           <thead>
1158             <row>
1159               <entry>Flag</entry>
1160               <entry>Description</entry>
1161               <entry>Static/Dynamic</entry>
1162               <entry>Reverse</entry>
1163             </row>
1164           </thead>
1165           <tbody>
1166             <row>
1167               <entry><option>-F</option></entry>
1168               <entry>
1169                   Enable the use of a pre-processor
1170                   (set with <option>-pgmF</option>)
1171               </entry>
1172               <entry>dynamic</entry>
1173               <entry>-</entry>
1174             </row>
1175           </tbody>
1176         </tgroup>
1177       </informaltable>
1178     </sect2>
1179
1180     <sect2>
1181       <title>C pre-processor options</title>
1182
1183       <para><xref linkend="c-pre-processor"/></para>
1184
1185       <informaltable>
1186         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1187           <thead>
1188             <row>
1189               <entry>Flag</entry>
1190               <entry>Description</entry>
1191               <entry>Static/Dynamic</entry>
1192               <entry>Reverse</entry>
1193             </row>
1194           </thead>
1195           <tbody>
1196             <row>
1197               <entry><option>-cpp</option></entry>
1198               <entry>Run the C pre-processor on Haskell source files</entry>
1199               <entry>dynamic</entry>
1200               <entry>-</entry>
1201             </row>
1202             <row>
1203               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1204               <entry>Define a symbol in the C pre-processor</entry>
1205               <entry>dynamic</entry>
1206               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1207             </row>
1208             <row>
1209               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1210               <entry>Undefine a symbol in the C pre-processor</entry>
1211               <entry>dynamic</entry>
1212               <entry>-</entry>
1213             </row>
1214             <row>
1215               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1216               <entry>Add <replaceable>dir</replaceable> to the
1217               directory search list for <literal>#include</literal> files</entry>
1218               <entry>dynamic</entry>
1219               <entry>-</entry>
1220             </row>
1221           </tbody>
1222         </tgroup>
1223       </informaltable>
1224     </sect2>
1225
1226     <sect2>
1227       <title>C compiler options</title>
1228
1229       <para><xref linkend="options-C-compiler"/></para>
1230       <informaltable>
1231         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1232           <thead>
1233             <row>
1234               <entry>Flag</entry>
1235               <entry>Description</entry>
1236               <entry>Static/Dynamic</entry>
1237               <entry>Reverse</entry>
1238             </row>
1239           </thead>
1240           <tbody>
1241             <row>
1242               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1243               <entry>Include <replaceable>file</replaceable> when
1244               compiling the <filename>.hc</filename> file</entry>
1245               <entry>dynamic</entry>
1246               <entry>-</entry>
1247             </row>
1248           </tbody>
1249         </tgroup>
1250       </informaltable>
1251     </sect2>
1252
1253     <sect2>
1254       <title>Code generation options</title>
1255
1256       <para><xref linkend="options-codegen"/></para>
1257
1258       <informaltable>
1259         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1260           <thead>
1261             <row>
1262               <entry>Flag</entry>
1263               <entry>Description</entry>
1264               <entry>Static/Dynamic</entry>
1265               <entry>Reverse</entry>
1266             </row>
1267           </thead>
1268           <tbody>
1269             <row>
1270               <entry><option>-fasm</option></entry>
1271               <entry>Use the native code generator</entry>
1272               <entry>dynamic</entry>
1273               <entry>-fvia-C</entry>
1274             </row>
1275             <row>
1276               <entry><option>-fvia-C</option></entry>
1277               <entry>Compile via C</entry>
1278               <entry>dynamic</entry>
1279               <entry>-fasm</entry>
1280             </row>
1281             <row>
1282               <entry><option>-fno-code</option></entry>
1283               <entry>Omit code generation</entry>
1284               <entry>dynamic</entry>
1285               <entry>-</entry>
1286             </row>
1287             <row>
1288               <entry><option>-fbyte-code</option></entry>
1289               <entry>Generate byte-code</entry>
1290               <entry>dynamic</entry>
1291               <entry>-</entry>
1292             </row>
1293             <row>
1294               <entry><option>-fobject-code</option></entry>
1295               <entry>Generate object code</entry>
1296               <entry>dynamic</entry>
1297               <entry>-</entry>
1298             </row>
1299           </tbody>
1300         </tgroup>
1301       </informaltable>
1302     </sect2>
1303
1304     <sect2>
1305       <title>Linking options</title>
1306
1307       <para><xref linkend="options-linker"/></para>
1308
1309       <informaltable>
1310         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1311           <thead>
1312             <row>
1313               <entry>Flag</entry>
1314               <entry>Description</entry>
1315               <entry>Static/Dynamic</entry>
1316               <entry>Reverse</entry>
1317             </row>
1318           </thead>
1319           <tbody>
1320             <row>
1321               <entry><option>-fPIC</option></entry>
1322               <entry>Generate position-independent code (where available)</entry>
1323               <entry>static</entry>
1324               <entry>-</entry>
1325             </row>
1326             <row>
1327               <entry><option>-dynamic</option></entry>
1328               <entry>Use dynamic Haskell libraries (if available)</entry>
1329               <entry>static</entry>
1330               <entry>-</entry>
1331             </row>
1332             <row>
1333               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1334               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1335                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1336               <entry>dynamic</entry>
1337               <entry>-</entry>
1338             </row>
1339             <row>
1340               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1341               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1342                 directories searched for frameworks.
1343                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1344               <entry>dynamic</entry>
1345               <entry>-</entry>
1346             </row>
1347             <row>
1348               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1349               <entry>Link in library <replaceable>lib</replaceable></entry>
1350               <entry>dynamic</entry>
1351               <entry>-</entry>
1352             </row>
1353             <row>
1354               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1355               <entry>Add <replaceable>dir</replaceable> to the list of
1356               directories searched for libraries</entry>
1357               <entry>dynamic</entry>
1358               <entry>-</entry>
1359             </row>
1360             <row>
1361               <entry><option>-main-is</option></entry>
1362               <entry>Set main module and function</entry>
1363               <entry>dynamic</entry>
1364               <entry>-</entry>
1365             </row>
1366             <row>
1367               <entry><option>--mk-dll</option></entry>
1368               <entry>DLL-creation mode (Windows only)</entry>
1369               <entry>dynamic</entry>
1370               <entry>-</entry>
1371             </row>
1372             <row>
1373               <entry><option>-no-hs-main</option></entry>
1374               <entry>Don't assume this program contains <literal>main</literal></entry>
1375               <entry>dynamic</entry>
1376               <entry>-</entry>
1377             </row>
1378             <row>
1379               <entry><option>-no-link</option></entry>
1380               <entry>Omit linking</entry>
1381               <entry>dynamic</entry>
1382               <entry>-</entry>
1383             </row>
1384             <row>
1385               <entry><option>-split-objs</option></entry>
1386               <entry>Split objects (for libraries)</entry>
1387               <entry>dynamic</entry>
1388               <entry>-</entry>
1389             </row>
1390             <row>
1391               <entry><option>-static</option></entry>
1392               <entry>Use static Haskell libraries</entry>
1393               <entry>static</entry>
1394               <entry>-</entry>
1395             </row>
1396             <row>
1397               <entry><option>-threaded</option></entry>
1398               <entry>Use the threaded runtime</entry>
1399               <entry>static</entry>
1400               <entry>-</entry>
1401             </row>
1402             <row>
1403               <entry><option>-debug</option></entry>
1404               <entry>Use the debugging runtime</entry>
1405               <entry>static</entry>
1406               <entry>-</entry>
1407             </row>
1408           </tbody>
1409         </tgroup>
1410       </informaltable>
1411     </sect2>
1412
1413     <sect2>
1414       <title>Replacing phases</title>
1415
1416       <para><xref linkend="replacing-phases"/></para>
1417
1418       <informaltable>
1419         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1420           <thead>
1421             <row>
1422               <entry>Flag</entry>
1423               <entry>Description</entry>
1424               <entry>Static/Dynamic</entry>
1425               <entry>Reverse</entry>
1426             </row>
1427           </thead>
1428           <tbody>
1429             <row>
1430               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1431               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1432               <entry>dynamic</entry>
1433               <entry>-</entry>
1434             </row>
1435             <row>
1436               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1437               <entry>Use <replaceable>cmd</replaceable> as the C
1438               pre-processor (with <option>-cpp</option> only)</entry>
1439               <entry>dynamic</entry>
1440               <entry>-</entry>
1441             </row>
1442             <row>
1443               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1444               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1445               <entry>dynamic</entry>
1446               <entry>-</entry>
1447             </row>
1448             <row>
1449               <entry><option>-pgmm</option> <replaceable>cmd</replaceable></entry>
1450               <entry>Use <replaceable>cmd</replaceable> as the mangler</entry>
1451               <entry>dynamic</entry>
1452               <entry>-</entry>
1453             </row>
1454             <row>
1455               <entry><option>-pgms</option> <replaceable>cmd</replaceable></entry>
1456               <entry>Use <replaceable>cmd</replaceable> as the splitter</entry>
1457               <entry>dynamic</entry>
1458               <entry>-</entry>
1459             </row>
1460             <row>
1461               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1462               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1463               <entry>dynamic</entry>
1464               <entry>-</entry>
1465             </row>
1466             <row>
1467               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1468               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1469               <entry>dynamic</entry>
1470               <entry>-</entry>
1471             </row>
1472             <row>
1473               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1474               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1475               <entry>dynamic</entry>
1476               <entry>-</entry>
1477             </row>
1478             <row>
1479               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1480               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1481               (with <option>-F</option> only)</entry>
1482               <entry>dynamic</entry>
1483               <entry>-</entry>
1484             </row>
1485           </tbody>
1486         </tgroup>
1487       </informaltable>
1488       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1489       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1490       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1491       <indexterm><primary><option>-pgma</option></primary></indexterm>
1492       <indexterm><primary><option>-pgml</option></primary></indexterm>
1493       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1494       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1495
1496     </sect2>
1497
1498     <sect2>
1499       <title>Forcing options to particular phases</title>
1500
1501       <para><xref linkend="forcing-options-through"/></para>
1502
1503       <informaltable>
1504         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1505           <thead>
1506             <row>
1507               <entry>Flag</entry>
1508               <entry>Description</entry>
1509               <entry>Static/Dynamic</entry>
1510               <entry>Reverse</entry>
1511             </row>
1512           </thead>
1513           <tbody>
1514             <row>
1515               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1516               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1517               <entry>dynamic</entry>
1518               <entry>-</entry>
1519             </row>
1520             <row>
1521               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1522               <entry>pass <replaceable>option</replaceable> to cpp (with
1523               <option>-cpp</option> only)</entry>
1524               <entry>dynamic</entry>
1525               <entry>-</entry>
1526             </row>
1527             <row>
1528               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1529               <entry>pass <replaceable>option</replaceable> to the
1530               custom pre-processor</entry>
1531               <entry>dynamic</entry>
1532               <entry>-</entry>
1533             </row>
1534             <row>
1535               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1536               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1537               <entry>dynamic</entry>
1538               <entry>-</entry>
1539             </row>
1540             <row>
1541               <entry><option>-optm</option> <replaceable>option</replaceable></entry>
1542               <entry>pass <replaceable>option</replaceable> to the mangler</entry>
1543               <entry>dynamic</entry>
1544               <entry>-</entry>
1545             </row>
1546             <row>
1547               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1548               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1549               <entry>dynamic</entry>
1550               <entry>-</entry>
1551             </row>
1552             <row>
1553               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1554               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1555               <entry>dynamic</entry>
1556               <entry>-</entry>
1557             </row>
1558             <row>
1559               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1560               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1561               <entry>dynamic</entry>
1562               <entry>-</entry>
1563             </row>
1564             <row>
1565               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1566               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1567               <entry>dynamic</entry>
1568               <entry>-</entry>
1569             </row>
1570           </tbody>
1571         </tgroup>
1572       </informaltable>
1573     </sect2>
1574
1575     <sect2>
1576       <title>Platform-specific options</title>
1577
1578       <para><xref linkend="options-platform"/></para>
1579
1580       <informaltable>
1581         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1582           <thead>
1583             <row>
1584               <entry>Flag</entry>
1585               <entry>Description</entry>
1586               <entry>Static/Dynamic</entry>
1587               <entry>Reverse</entry>
1588             </row>
1589           </thead>
1590           <tbody>
1591             <row>
1592               <entry><option>-monly-[432]-regs</option></entry>
1593               <entry>(x86 only) give some registers back to the C compiler</entry>
1594               <entry>dynamic</entry>
1595               <entry>-</entry>
1596             </row>
1597           </tbody>
1598         </tgroup>
1599       </informaltable>
1600     </sect2>
1601
1602
1603     <sect2>
1604       <title>External core file options</title>
1605
1606       <para><xref linkend="ext-core"/></para>
1607
1608       <informaltable>
1609         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1610           <thead>
1611             <row>
1612               <entry>Flag</entry>
1613               <entry>Description</entry>
1614               <entry>Static/Dynamic</entry>
1615               <entry>Reverse</entry>
1616             </row>
1617           </thead>
1618           <tbody>
1619             <row>
1620               <entry><option>-fext-core</option></entry>
1621               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1622               <entry>static</entry>
1623               <entry>-</entry>
1624             </row>
1625           </tbody>
1626         </tgroup>
1627       </informaltable>
1628     </sect2>
1629
1630
1631     <sect2>
1632       <title>Compiler debugging options</title>
1633
1634       <para><xref linkend="options-debugging"/></para>
1635
1636       <informaltable>
1637         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1638           <thead>
1639             <row>
1640               <entry>Flag</entry>
1641               <entry>Description</entry>
1642               <entry>Static/Dynamic</entry>
1643               <entry>Reverse</entry>
1644             </row>
1645           </thead>
1646           <tbody>
1647             <row>
1648               <entry><option>-dcore-lint</option></entry>
1649               <entry>Turn on internal sanity checking</entry>
1650               <entry>dynamic</entry>
1651               <entry>-</entry>
1652             </row>
1653             <row>
1654               <entry><option>-ddump-asm</option></entry>
1655               <entry>Dump assembly</entry>
1656               <entry>dynamic</entry>
1657               <entry>-</entry>
1658             </row>
1659             <row>
1660               <entry><option>-ddump-bcos</option></entry>
1661               <entry>Dump interpreter byte code</entry>
1662               <entry>dynamic</entry>
1663               <entry>-</entry>
1664             </row>
1665             <row>
1666               <entry><option>-ddump-cmm</option></entry>
1667               <entry>Dump C-- output</entry>
1668               <entry>dynamic</entry>
1669               <entry>-</entry>
1670             </row>
1671             <row>
1672               <entry><option>-ddump-cpranal</option></entry>
1673               <entry>Dump output from CPR analysis</entry>
1674               <entry>dynamic</entry>
1675               <entry>-</entry>
1676             </row>
1677             <row>
1678               <entry><option>-ddump-cse</option></entry>
1679               <entry>Dump CSE output</entry>
1680               <entry>dynamic</entry>
1681               <entry>-</entry>
1682             </row>
1683             <row>
1684               <entry><option>-ddump-deriv</option></entry>
1685               <entry>Dump deriving output</entry>
1686               <entry>dynamic</entry>
1687               <entry>-</entry>
1688             </row>
1689             <row>
1690               <entry><option>-ddump-ds</option></entry>
1691               <entry>Dump desugarer output</entry>
1692               <entry>dynamic</entry>
1693               <entry>-</entry>
1694             </row>
1695             <row>
1696               <entry><option>-ddump-flatC</option></entry>
1697               <entry>Dump &ldquo;flat&rdquo; C</entry>
1698               <entry>dynamic</entry>
1699               <entry>-</entry>
1700             </row>
1701             <row>
1702               <entry><option>-ddump-foreign</option></entry>
1703               <entry>Dump <literal>foreign export</literal> stubs</entry>
1704               <entry>dynamic</entry>
1705               <entry>-</entry>
1706             </row>
1707             <row>
1708               <entry><option>-ddump-inlinings</option></entry>
1709               <entry>Dump inlining info</entry>
1710               <entry>dynamic</entry>
1711               <entry>-</entry>
1712             </row>
1713             <row>
1714               <entry><option>-ddump-occur-anal</option></entry>
1715               <entry>Dump occurrence analysis output</entry>
1716               <entry>dynamic</entry>
1717               <entry>-</entry>
1718             </row>
1719             <row>
1720               <entry><option>-ddump-opt-cmm</option></entry>
1721               <entry>Dump the results of C-- to C-- optimising passes</entry>
1722               <entry>dynamic</entry>
1723               <entry>-</entry>
1724             </row>
1725             <row>
1726               <entry><option>-ddump-parsed</option></entry>
1727               <entry>Dump parse tree</entry>
1728               <entry>dynamic</entry>
1729               <entry>-</entry>
1730             </row>
1731             <row>
1732               <entry><option>-ddump-prep</option></entry>
1733               <entry>Dump prepared core</entry>
1734               <entry>dynamic</entry>
1735               <entry>-</entry>
1736             </row>
1737             <row>
1738               <entry><option>-ddump-rn</option></entry>
1739               <entry>Dump renamer output</entry>
1740               <entry>dynamic</entry>
1741               <entry>-</entry>
1742             </row>
1743             <row>
1744               <entry><option>-ddump-rules</option></entry>
1745               <entry>Dump rules</entry>
1746               <entry>dynamic</entry>
1747               <entry>-</entry>
1748             </row>
1749             <row>
1750               <entry><option>-ddump-simpl</option></entry>
1751               <entry>Dump final simplifier output</entry>
1752               <entry>dynamic</entry>
1753               <entry>-</entry>
1754             </row>
1755             <row>
1756               <entry><option>-ddump-simpl-iterations</option></entry>
1757               <entry>Dump output from each simplifier iteration</entry>
1758               <entry>dynamic</entry>
1759               <entry>-</entry>
1760             </row>
1761             <row>
1762               <entry><option>-ddump-spec</option></entry>
1763               <entry>Dump specialiser output</entry>
1764               <entry>dynamic</entry>
1765               <entry>-</entry>
1766             </row>
1767             <row>
1768               <entry><option>-ddump-splices</option></entry>
1769               <entry>Dump TH splided expressions, and what they evaluate to</entry>
1770               <entry>dynamic</entry>
1771               <entry>-</entry>
1772             </row>
1773             <row>
1774               <entry><option>-ddump-stg</option></entry>
1775               <entry>Dump final STG</entry>
1776               <entry>dynamic</entry>
1777               <entry>-</entry>
1778             </row>
1779             <row>
1780               <entry><option>-ddump-stranal</option></entry>
1781               <entry>Dump strictness analyser output</entry>
1782               <entry>dynamic</entry>
1783               <entry>-</entry>
1784             </row>
1785             <row>
1786               <entry><option>-ddump-tc</option></entry>
1787               <entry>Dump typechecker output</entry>
1788               <entry>dynamic</entry>
1789               <entry>-</entry>
1790             </row>
1791             <row>
1792               <entry><option>-ddump-types</option></entry>
1793               <entry>Dump type signatures</entry>
1794               <entry>dynamic</entry>
1795               <entry>-</entry>
1796             </row>
1797             <row>
1798               <entry><option>-ddump-worker-wrapper</option></entry>
1799               <entry>Dump worker-wrapper output</entry>
1800               <entry>dynamic</entry>
1801               <entry>-</entry>
1802             </row>
1803             <row>
1804               <entry><option>-ddump-if-trace</option></entry>
1805               <entry>Trace interface files</entry>
1806               <entry>dynamic</entry>
1807               <entry>-</entry>
1808             </row>
1809             <row>
1810               <entry><option>-ddump-tc-trace</option></entry>
1811               <entry>Trace typechecker</entry>
1812               <entry>dynamic</entry>
1813               <entry>-</entry>
1814             </row>
1815             <row>
1816               <entry><option>-ddump-rn-trace</option></entry>
1817               <entry>Trace renamer</entry>
1818               <entry>dynamic</entry>
1819               <entry>-</entry>
1820             </row>
1821             <row>
1822               <entry><option>-ddump-rn-stats</option></entry>
1823               <entry>Renamer stats</entry>
1824               <entry>dynamic</entry>
1825               <entry>-</entry>
1826             </row>
1827             <row>
1828               <entry><option>-ddump-simpl-stats</option></entry>
1829               <entry>Dump simplifier stats</entry>
1830               <entry>dynamic</entry>
1831               <entry>-</entry>
1832             </row>
1833             <row>
1834               <entry><option>-dppr-debug</option></entry>
1835               <entry>Turn on debug printing (more verbose)</entry>
1836               <entry>static</entry>
1837               <entry>-</entry>
1838             </row>
1839             <row>
1840               <entry><option>-dppr-noprags</option></entry>
1841               <entry>Don't output pragma info in dumps</entry>
1842               <entry>static</entry>
1843               <entry>-</entry>
1844             </row>
1845             <row>
1846               <entry><option>-dppr-user-length</option></entry>
1847               <entry>Set the depth for printing expressions in error msgs</entry>
1848               <entry>static</entry>
1849               <entry>-</entry>
1850             </row>
1851             <row>
1852               <entry><option>-dsource-stats</option></entry>
1853               <entry>Dump haskell source stats</entry>
1854               <entry>dynamic</entry>
1855               <entry>-</entry>
1856             </row>
1857             <row>
1858               <entry><option>-dcmm-lint</option></entry>
1859               <entry>C-- pass sanity checking</entry>
1860               <entry>dynamic</entry>
1861               <entry>-</entry>
1862             </row>
1863             <row>
1864               <entry><option>-dstg-lint</option></entry>
1865               <entry>STG pass sanity checking</entry>
1866               <entry>dynamic</entry>
1867               <entry>-</entry>
1868             </row>
1869             <row>
1870               <entry><option>-dstg-stats</option></entry>
1871               <entry>Dump STG stats</entry>
1872               <entry>dynamic</entry>
1873               <entry>-</entry>
1874             </row>
1875             <row>
1876               <entry><option>-dverbose-core2core</option></entry>
1877               <entry>Show output from each core-to-core pass</entry>
1878               <entry>dynamic</entry>
1879               <entry>-</entry>
1880             </row>
1881             <row>
1882               <entry><option>-dverbose-stg2stg</option></entry>
1883               <entry>Show output from each STG-to-STG pass</entry>
1884               <entry>dynamic</entry>
1885               <entry>-</entry>
1886             </row>
1887             <row>
1888               <entry><option>-dshow-passes</option></entry>
1889               <entry>Print out each pass name as it happens</entry>
1890               <entry>dynamic</entry>
1891               <entry>-</entry>
1892             </row>
1893             <row>
1894               <entry><option>-dfaststring-stats</option></entry>
1895               <entry>Show statistics for fast string usage when finished</entry>
1896               <entry>dynamic</entry>
1897               <entry>-</entry>
1898             </row>
1899             <row>
1900               <entry><option>-unreg</option></entry>
1901               <entry>Enable unregisterised compilation</entry>
1902               <entry>static</entry>
1903               <entry>-</entry>
1904             </row>
1905           </tbody>
1906         </tgroup>
1907       </informaltable>
1908     </sect2>
1909
1910     <sect2>
1911       <title>Misc compiler options</title>
1912
1913       <informaltable>
1914         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1915           <thead>
1916             <row>
1917               <entry>Flag</entry>
1918               <entry>Description</entry>
1919               <entry>Static/Dynamic</entry>
1920               <entry>Reverse</entry>
1921             </row>
1922           </thead>
1923           <tbody>
1924             <row>
1925               <entry><option>-fno-hi-version-check</option></entry>
1926               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1927               <entry>static</entry>
1928               <entry>-</entry>
1929             </row>
1930             <row>
1931               <entry><option>-dno-black-holing</option></entry>
1932               <entry>Turn off black holing (probably doesn't work)</entry>
1933               <entry>static</entry>
1934               <entry>-</entry>
1935             </row>
1936             <row>
1937               <entry><option>-fno-method-sharing</option></entry>
1938               <entry>Don't share specialisations of overloaded functions</entry>
1939               <entry>static</entry>
1940               <entry>-</entry>
1941             </row>
1942             <row>
1943               <entry><option>-fhistory-size</option></entry>
1944               <entry>Set simplification history size</entry>
1945               <entry>static</entry>
1946               <entry>-</entry>
1947             </row>
1948             <row>
1949               <entry><option>-funregisterised</option></entry>
1950               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1951               <entry>static</entry>
1952               <entry>-</entry>
1953             </row>
1954             <row>
1955               <entry><option>-fno-asm-mangling</option></entry>
1956               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1957               <entry>dynamic</entry>
1958               <entry>-</entry>
1959             </row>
1960           </tbody>
1961         </tgroup>
1962       </informaltable>
1963     </sect2>
1964   </sect1>
1965
1966
1967 <!--
1968 Still to document:
1969
1970 Misc:
1971   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1972
1973   -Bdir
1974 -->
1975
1976 <!-- Emacs stuff:
1977      ;;; Local Variables: ***
1978      ;;; mode: xml ***
1979      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1980      ;;; End: ***
1981  -->