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;supported-languages</option></entry>
  64               <entry>display the supported language extensions</entry>
  65               <entry>mode</entry>
  66               <entry>-</entry>
  67             </row>
  68             <row>
  69               <entry><option>&ndash;&ndash;info</option></entry>
  70               <entry>display information about the compiler</entry>
  71               <entry>mode</entry>
  72               <entry>-</entry>
  73             </row>
  74             <row>
  75               <entry><option>&ndash;&ndash;version</option></entry>
  76               <entry>display GHC version</entry>
  77               <entry>mode</entry>
  78               <entry>-</entry>
  79             </row>
  80             <row>
  81               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  82               <entry>display GHC version (numeric only)</entry>
  83               <entry>mode</entry>
  84               <entry>-</entry>
  85             </row>
  86             <row>
  87               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  88               <entry>display GHC library directory</entry>
  89               <entry>mode</entry>
  90               <entry>-</entry>
  91             </row>
  92             <row>
  93               <entry><option>-ferror-spans</option></entry>
  94               <entry>output full span in error messages</entry>
  95               <entry>static</entry>
  96               <entry>-</entry>
  97             </row>
  98             <row>
  99               <entry><option>-H</option><replaceable>size</replaceable></entry>
 100               <entry>Set the minimum heap size to <replaceable>size</replaceable></entry>
 101               <entry>static</entry>
 102               <entry>-</entry>
 103             </row>
 104             <row>
 105               <entry><option>-Rghc-timing</option></entry>
 106               <entry>Summarise timing stats for GHC (same as <literal>+RTS -tstderr</literal>)</entry>
 107               <entry>static</entry>
 108               <entry>-</entry>
 109             </row>
 110           </tbody>
 111         </tgroup>
 112       </informaltable>
 113
 114     </sect2>
 115     <sect2>
 116       <title>Which phases to run</title>
 117
 118       <para><xref linkend="options-order"/></para>
 119
 120       <informaltable>
 121         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 122           <thead>
 123             <row>
 124               <entry>Flag</entry>
 125               <entry>Description</entry>
 126               <entry>Static/Dynamic</entry>
 127               <entry>Reverse</entry>
 128             </row>
 129           </thead>
 130           <tbody>
 131             <row>
 132               <entry><option>-E</option></entry>
 133               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 134               <entry>mode</entry>
 135               <entry>-</entry>
 136             </row>
 137             <row>
 138               <entry><option>-C</option></entry>
 139               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 140               <entry>mode</entry>
 141               <entry>-</entry>
 142             </row>
 143             <row>
 144               <entry><option>-S</option></entry>
 145               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 146               <entry>mode</entry>
 147               <entry>-</entry>
 148             </row>
 149             <row>
 150               <entry><option>-c</option></entry>
 151               <entry>Do not link</entry>
 152               <entry>dynamic</entry>
 153               <entry>-</entry>
 154             </row>
 155             <row>
 156               <entry><option>-x</option> <replaceable>suffix</replaceable></entry>
 157               <entry>Override default behaviour for source files</entry>
 158               <entry>static</entry>
 159               <entry>-</entry>
 160             </row>
 161           </tbody>
 162         </tgroup>
 163       </informaltable>
 164     </sect2>
 165
 166      <sect2>
 167       <title>Alternative modes of operation</title>
 168
 169       <para><xref linkend="modes"/></para>
 170
 171       <informaltable>
 172         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 173           <thead>
 174             <row>
 175               <entry>Flag</entry>
 176               <entry>Description</entry>
 177               <entry>Static/Dynamic</entry>
 178               <entry>Reverse</entry>
 179             </row>
 180           </thead>
 181           <tbody>
 182             <row>
 183               <entry><option>--interactive</option></entry>
 184               <entry>Interactive mode - normally used by just running <command>ghci</command>;
 185               see <xref linkend="ghci"/> for details.</entry>
 186               <entry>mode</entry>
 187               <entry>-</entry>
 188             </row>
 189             <row>
 190               <entry><option>--make</option></entry>
 191               <entry>Build a multi-module Haskell program, automatically figuring out dependencies. Likely to be much easier, and faster, than using <command>make</command>;
 192               see <xref linkend="make-mode"/> for details..</entry>
 193               <entry>mode</entry>
 194               <entry>-</entry>
 195             </row>
 196             <row>
 197               <entry><option>-e <replaceable>expr</replaceable></option></entry>
 198               <entry>Evaluate <replaceable>expr</replaceable>;
 199               see <xref linkend="eval-mode"/> for details.</entry>
 200               <entry>mode</entry>
 201               <entry>-</entry>
 202             </row>
 203             <row>
 204               <entry><option>-M</option></entry>
 205               <entry>Generate dependency information suitable for use in a <filename>Makefile</filename>;
 206               see <xref linkend="makefile-dependencies"/> for details.</entry>
 207               <entry>mode</entry>
 208               <entry>-</entry>
 209             </row>
 210           </tbody>
 211         </tgroup>
 212       </informaltable>
 213     </sect2>
 214
 215     <sect2>
 216       <title>Redirecting output</title>
 217
 218       <para><xref linkend="options-output"/></para>
 219
 220       <informaltable>
 221         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 222           <thead>
 223             <row>
 224               <entry>Flag</entry>
 225               <entry>Description</entry>
 226               <entry>Static/Dynamic</entry>
 227               <entry>Reverse</entry>
 228             </row>
 229           </thead>
 230           <tbody>
 231             <row>
 232               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 233               <entry>set the suffix to use for intermediate C files</entry>
 234               <entry>dynamic</entry>
 235               <entry>-</entry>
 236             </row>
 237             <row>
 238               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 239               <entry>set directory for interface files</entry>
 240               <entry>dynamic</entry>
 241               <entry>-</entry>
 242             </row>
 243             <row>
 244               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 245               <entry>set the suffix to use for interface files</entry>
 246               <entry>dynamic</entry>
 247               <entry>-</entry>
 248             </row>
 249             <row>
 250               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 251               <entry>set output filename</entry>
 252               <entry>dynamic</entry>
 253               <entry>-</entry>
 254             </row>
 255             <row>
 256               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 257               <entry>set output directory</entry>
 258               <entry>dynamic</entry>
 259               <entry>-</entry>
 260             </row>
 261             <row>
 262               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 263               <entry>set the filename in which to put the interface</entry>
 264               <entry>dynamic</entry>
 265               <entry></entry>
 266             </row>
 267             <row>
 268               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 269               <entry>set the output file suffix</entry>
 270               <entry>dynamic</entry>
 271               <entry>-</entry>
 272             </row>
 273             <row>
 274               <entry><option>-stubdir</option> <replaceable>dir</replaceable></entry>
 275               <entry>redirect FFi stub files</entry>
 276               <entry>dynamic</entry>
 277               <entry>-</entry>
 278             </row>
 279           </tbody>
 280         </tgroup>
 281       </informaltable>
 282     </sect2>
 283
 284     <sect2>
 285       <title>Keeping intermediate files</title>
 286
 287       <para><xref linkend="keeping-intermediates"/></para>
 288
 289       <informaltable>
 290         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 291           <thead>
 292             <row>
 293               <entry>Flag</entry>
 294               <entry>Description</entry>
 295               <entry>Static/Dynamic</entry>
 296               <entry>Reverse</entry>
 297             </row>
 298           </thead>
 299           <tbody>
 300             <row>
 301               <entry><option>-keep-hc-file</option> or
 302                  <option>-keep-hc-files</option></entry>
 303               <entry>retain intermediate <literal>.hc</literal> files</entry>
 304               <entry>dynamic</entry>
 305               <entry>-</entry>
 306             </row>
 307             <row>
 308               <entry><option>-keep-s-file</option> or
 309                  <option>-keep-s-files</option></entry>
 310               <entry>retain intermediate <literal>.s</literal> files</entry>
 311               <entry>dynamic</entry>
 312               <entry>-</entry>
 313             </row>
 314             <row>
 315               <entry><option>-keep-raw-s-file</option> or
 316                  <option>-keep-raw-s-files</option></entry>
 317               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 318               <entry>dynamic</entry>
 319               <entry>-</entry>
 320             </row>
 321             <row>
 322               <entry><option>-keep-tmp-files</option></entry>
 323               <entry>retain all intermediate temporary files</entry>
 324               <entry>dynamic</entry>
 325               <entry>-</entry>
 326             </row>
 327           </tbody>
 328         </tgroup>
 329       </informaltable>
 330     </sect2>
 331
 332     <sect2>
 333       <title>Temporary files</title>
 334
 335       <para><xref linkend="temp-files"/></para>
 336
 337       <informaltable>
 338         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 339           <thead>
 340             <row>
 341               <entry>Flag</entry>
 342               <entry>Description</entry>
 343               <entry>Static/Dynamic</entry>
 344               <entry>Reverse</entry>
 345             </row>
 346           </thead>
 347           <tbody>
 348             <row>
 349               <entry><option>-tmpdir</option></entry>
 350               <entry>set the directory for temporary files</entry>
 351               <entry>dynamic</entry>
 352               <entry>-</entry>
 353             </row>
 354           </tbody>
 355         </tgroup>
 356       </informaltable>
 357     </sect2>
 358
 359     <sect2>
 360       <title>Finding imports</title>
 361
 362       <para><xref linkend="search-path"/></para>
 363
 364       <informaltable>
 365         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 366           <thead>
 367             <row>
 368               <entry>Flag</entry>
 369
 370               <entry>Description</entry>
 371               <entry>Static/Dynamic</entry>
 372               <entry>Reverse</entry>
 373             </row>
 374           </thead>
 375           <tbody>
 376             <row>
 377               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 378               <entry>add <replaceable>dir</replaceable>,
 379                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 380               <entry>static/<literal>:set</literal></entry>
 381               <entry>-</entry>
 382             </row>
 383             <row>
 384               <entry><option>-i</option></entry>
 385               <entry>Empty the import directory list</entry>
 386               <entry>static/<literal>:set</literal></entry>
 387               <entry>-</entry>
 388             </row>
 389           </tbody>
 390         </tgroup>
 391       </informaltable>
 392     </sect2>
 393
 394     <sect2>
 395       <title>Interface file options</title>
 396
 397       <para><xref linkend="hi-options"/></para>
 398
 399       <informaltable>
 400         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 401           <thead>
 402             <row>
 403               <entry>Flag</entry>
 404
 405               <entry>Description</entry>
 406               <entry>Static/Dynamic</entry>
 407               <entry>Reverse</entry>
 408             </row>
 409           </thead>
 410           <tbody>
 411             <row>
 412               <entry><option>-ddump-hi</option></entry>
 413               <entry>Dump the new interface to stdout</entry>
 414               <entry>dynamic</entry>
 415               <entry>-</entry>
 416             </row>
 417             <row>
 418               <entry><option>-ddump-hi-diffs</option></entry>
 419               <entry>Show the differences vs. the old interface</entry>
 420               <entry>dynamic</entry>
 421               <entry>-</entry>
 422             </row>
 423             <row>
 424               <entry><option>-ddump-minimal-imports</option></entry>
 425               <entry>Dump a minimal set of imports</entry>
 426               <entry>dynamic</entry>
 427               <entry>-</entry>
 428             </row>
 429             <row>
 430               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 431               <entry>See <xref linkend="modes"/>.</entry>
 432             </row>
 433           </tbody>
 434         </tgroup>
 435       </informaltable>
 436     </sect2>
 437
 438     <sect2>
 439       <title>Recompilation checking</title>
 440
 441       <para><xref linkend="recomp"/></para>
 442
 443       <informaltable>
 444         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 445           <thead>
 446             <row>
 447               <entry>Flag</entry>
 448
 449               <entry>Description</entry>
 450               <entry>Static/Dynamic</entry>
 451               <entry>Reverse</entry>
 452             </row>
 453           </thead>
 454           <tbody>
 455             <row>
 456               <entry><option>-fforce-recomp</option></entry>
 457               <entry>Turn off recompilation checking; implied by any
 458               <option>-ddump-X</option> option</entry>
 459               <entry>dynamic</entry>
 460               <entry><option>-fno-force-recomp</option></entry>
 461             </row>
 462           </tbody>
 463         </tgroup>
 464       </informaltable>
 465     </sect2>
 466
 467     <sect2 id="interactive-mode-options">
 468       <title>Interactive-mode options</title>
 469
 470       <para><xref linkend="ghci-dot-files"/></para>
 471
 472       <informaltable>
 473         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 474           <thead>
 475             <row>
 476               <entry>Flag</entry>
 477               <entry>Description</entry>
 478               <entry>Static/Dynamic</entry>
 479               <entry>Reverse</entry>
 480             </row>
 481           </thead>
 482           <tbody>
 483             <row>
 484               <entry><option>-ignore-dot-ghci</option></entry>
 485               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 486               <entry>static</entry>
 487               <entry>-</entry>
 488             </row>
 489             <row>
 490               <entry><option>-read-dot-ghci</option></entry>
 491               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 492               <entry>static</entry>
 493               <entry>-</entry>
 494             </row>
 495             <row>
 496               <entry><option>-fbreak-on-exception</option></entry>
 497               <entry><link linkend="ghci-debugger-exceptions">Break on any exception thrown</link></entry>
 498               <entry>dynamic</entry>
 499               <entry><option>-fno-break-on-exception</option></entry>
 500             </row>
 501             <row>
 502               <entry><option>-fbreak-on-error</option></entry>
 503               <entry><link linkend="ghci-debugger-exceptions">Break on uncaught exceptions and errors</link></entry>
 504               <entry>dynamic</entry>
 505               <entry><option>-fno-break-on-error</option></entry>
 506             </row>
 507             <row>
 508               <entry><option>-fprint-evld-with-show</option></entry>
 509               <entry><link linkend="breakpoints">Enable usage of Show instances in <literal>:print</literal></link></entry>
 510               <entry>dynamic</entry>
 511               <entry><option>-fno-print-evld-with-show</option></entry>
 512             </row>
 513             <row>
 514               <entry><option>-fprint-bind-result</option></entry>
 515               <entry><link linkend="ghci-stmts">Turn on printing of binding results in GHCi</link></entry>
 516               <entry>dynamic</entry>
 517               <entry><option>-fno-print-bind-result</option></entry>
 518             </row>
 519             <row>
 520               <entry><option>-fno-print-bind-contents</option></entry>
 521               <entry><link linkend="breakpoints">Turn off printing of binding contents in GHCi</link></entry>
 522               <entry>dynamic</entry>
 523               <entry>-</entry>
 524             </row>
 525
 526           </tbody>
 527         </tgroup>
 528       </informaltable>
 529     </sect2>
 530
 531     <sect2>
 532       <title>Packages</title>
 533
 534       <para><xref linkend="packages"/></para>
 535
 536       <informaltable>
 537         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 538           <thead>
 539             <row>
 540               <entry>Flag</entry>
 541               <entry>Description</entry>
 542               <entry>Static/Dynamic</entry>
 543               <entry>Reverse</entry>
 544             </row>
 545           </thead>
 546           <tbody>
 547             <row>
 548               <entry><option>-package-name</option> <replaceable>P</replaceable></entry>
 549               <entry>Compile to be part of package <replaceable>P</replaceable></entry>
 550               <entry>dynamic</entry>
 551               <entry>-</entry>
 552             </row>
 553             <row>
 554               <entry><option>-package</option> <replaceable>P</replaceable></entry>
 555               <entry>Expose package <replaceable>P</replaceable></entry>
 556               <entry>static/<literal>:set</literal></entry>
 557               <entry>-</entry>
 558             </row>
 559             <row>
 560               <entry><option>-hide-all-packages</option></entry>
 561               <entry>Hide all packages by default</entry>
 562               <entry>static</entry>
 563               <entry>-</entry>
 564             </row>
 565             <row>
 566               <entry><option>-hide-package</option> <replaceable>name</replaceable></entry>
 567               <entry>Hide package <replaceable>P</replaceable></entry>
 568               <entry>static/<literal>:set</literal></entry>
 569               <entry>-</entry>
 570             </row>
 571             <row>
 572               <entry><option>-ignore-package</option> <replaceable>name</replaceable></entry>
 573               <entry>Ignore package <replaceable>P</replaceable></entry>
 574               <entry>static/<literal>:set</literal></entry>
 575               <entry>-</entry>
 576             </row>
 577             <row>
 578               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 579               <entry>Load more packages from <replaceable>file</replaceable></entry>
 580               <entry>static</entry>
 581               <entry>-</entry>
 582             </row>
 583             <row>
 584               <entry><option>-no-user-package-conf</option></entry>
 585               <entry>Don't load the user's package config file.</entry>
 586               <entry>static</entry>
 587               <entry>-</entry>
 588             </row>
 589           </tbody>
 590         </tgroup>
 591       </informaltable>
 592     </sect2>
 593
 594     <sect2>
 595       <title>Language options</title>
 596
 597       <para><xref linkend="options-language"/></para>
 598
 599       <informaltable>
 600         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 601           <thead>
 602             <row>
 603               <entry>Flag</entry>
 604               <entry>Description</entry>
 605               <entry>Static/Dynamic</entry>
 606               <entry>Reverse</entry>
 607             </row>
 608           </thead>
 609           <tbody>
 610             <row>
 611               <entry><option>-fglasgow-exts</option></entry>
 612               <entry>Enable most language extensions</entry>
 613               <entry>dynamic</entry>
 614               <entry><option>-fno-glasgow-exts</option></entry>
 615             </row>
 616             <row>
 617               <entry><option>-XOverlappingInstances</option></entry>
 618               <entry>Enable <link linkend="instance-overlap">overlapping instances</link></entry>
 619               <entry>dynamic</entry>
 620               <entry><option>-XNoOverlappingInstances</option></entry>
 621             </row>
 622             <row>
 623               <entry><option>-XIncoherentInstances</option></entry>
 624               <entry>Enable <link linkend="instance-overlap">incoherent instances</link>.
 625               Implies <option>-XOverlappingInstances</option> </entry>
 626               <entry>dynamic</entry>
 627               <entry><option>-XNoIncoherentInstances</option></entry>
 628             </row>
 629             <row>
 630               <entry><option>-XUndecidableInstances</option></entry>
 631               <entry>Enable <link linkend="undecidable-instances">undecidable instances</link></entry>
 632               <entry>dynamic</entry>
 633               <entry><option>-XNoUndecidableInstances</option></entry>
 634             </row>
 635             <row>
 636               <entry><option>-fcontext-stack=N</option><replaceable>n</replaceable></entry>
 637               <entry>set the <link linkend="undecidable-instances">limit for context reduction</link>. Default is 20.</entry>
 638               <entry>dynamic</entry>
 639               <entry></entry>
 640             </row>
 641             <row>
 642               <entry><option>-XArrows</option></entry>
 643               <entry>Enable <link linkend="arrow-notation">arrow
 644               notation</link> extension</entry>
 645               <entry>dynamic</entry>
 646               <entry><option>-XNoArrows</option></entry>
 647             </row>
 648             <row>
 649               <entry><option>-fdisambiguate-record-fields</option></entry>
 650               <entry>Enable <link linkend="disambiguate-fields">record
 651               field disambiguation</link></entry>
 652               <entry>dynamic</entry>
 653               <entry><option>-fno-disambiguate-record-fields</option></entry>
 654             </row>
 655             <row>
 656               <entry><option>-XForeignFunctionInterface</option></entry>
 657               <entry>Enable <link linkend="ffi">foreign function interface</link> (implied by
 658               <option>-fglasgow-exts</option>)</entry>
 659               <entry>dynamic</entry>
 660               <entry><option>-XNoForeignFunctionInterface</option></entry>
 661             </row>
 662             <row>
 663               <entry><option>-XGenerics</option></entry>
 664               <entry>Enable <link linkend="generic-classes">generic classes</link></entry>
 665               <entry>dynamic</entry>
 666               <entry><option>-XNoGenerics</option></entry>
 667             </row>
 668             <row>
 669               <entry><option>-XImplicitParams</option></entry>
 670               <entry>Enable <link linkend="implicit-parameters">Implicit Parameters</link>.
 671               Implied by <option>-fglasgow-exts</option>.</entry>
 672               <entry>dynamic</entry>
 673               <entry><option>-XNoImplicitParams</option></entry>
 674             </row>
 675             <row>
 676               <entry><option>-firrefutable-tuples</option></entry>
 677               <entry>Make tuple pattern matching irrefutable</entry>
 678               <entry>dynamic</entry>
 679               <entry><option>-fno-irrefutable-tuples</option></entry>
 680             </row>
 681             <row>
 682               <entry><option>-XNoImplicitPrelude</option></entry>
 683               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 684               <entry>dynamic</entry>
 685               <entry><option>-XImplicitPrelude</option></entry>
 686             </row>
 687             <row>
 688               <entry><option>-XNoMonomorphismRestriction</option></entry>
 689               <entry>Disable the <link linkend="monomorphism">monomorphism restriction</link></entry>
 690               <entry>dynamic</entry>
 691               <entry><option>-XMonomorphismRrestriction</option></entry>
 692             </row>
 693             <row>
 694               <entry><option>-XNoMonoPatBinds</option></entry>
 695               <entry>Make <link linkend="monomorphism">pattern bindings polymorphic</link></entry>
 696               <entry>dynamic</entry>
 697               <entry><option>-XMonoPatBinds</option></entry>
 698             </row>
 699             <row>
 700               <entry><option>-XRelaxedPolyRec</option></entry>
 701               <entry>Relaxed checking for <link linkend="typing-binds">mutually-recursive polymorphic functions</link></entry>
 702               <entry>dynamic</entry>
 703               <entry><option>-XNoRelaxedPolyRec</option></entry>
 704             </row>
 705             <row>
 706               <entry><option>-XExtendedDefaultRules</option></entry>
 707               <entry>Use GHCi's <link linkend="extended-default-rules">extended default rules</link> in a normal module</entry>
 708               <entry>dynamic</entry>
 709               <entry><option>-XNoExtendedDefaultRules</option></entry>
 710             </row>
 711             <row>
 712               <entry><option>-XOverloadedStrings</option></entry>
 713               <entry>Enable <link linkend="overloaded-strings">overloaded string literals</link>.
 714               </entry>
 715               <entry>dynamic</entry>
 716               <entry><option>-XNoOverloadedStrings</option></entry>
 717             </row>
 718             <row>
 719               <entry><option>-XGADTs</option></entry>
 720               <entry>Enable <link linkend="gadt">generalised algebraic data types</link>.
 721               </entry>
 722               <entry>dynamic</entry>
 723               <entry><option>-XNoGADTs</option></entry>
 724             </row>
 725             <row>
 726               <entry><option>-XTypeFamilies</option></entry>
 727               <entry>Enable <link linkend="type-families">type families</link>.</entry>
 728               <entry>dynamic</entry>
 729               <entry><option>-XNoTypeFamilies</option></entry>
 730             </row>
 731             <row>
 732               <entry><option>-XScopedTypeVariables</option></entry>
 733               <entry>Enable <link linkend="scoped-type-variables">lexically-scoped type variables</link>.
 734               Implied by <option>-fglasgow-exts</option>.</entry>
 735               <entry>dynamic</entry>
 736               <entry><option>-XNoScopedTypeVariables</option></entry>
 737             </row>
 738             <row>
 739               <entry><option>-XTemplateHaskell</option></entry>
 740               <entry>Enable <link linkend="template-haskell">Template Haskell</link>.
 741                 No longer implied by <option>-fglasgow-exts</option>.</entry>
 742               <entry>dynamic</entry>
 743               <entry><option>-XNoTemplateHaskell</option></entry>
 744             </row>
 745             <row>
 746               <entry><option>-XBangPatterns</option></entry>
 747               <entry>Enable <link linkend="bang-patterns">bang patterns</link>.</entry>
 748               <entry>dynamic</entry>
 749               <entry><option>-XNoBangPatterns</option></entry>
 750             </row>
 751             <row>
 752               <entry><option>-XCPP</option></entry>
 753               <entry>Enable the <link linkend="c-pre-processor">C preprocessor</link>.</entry>
 754               <entry>dynamic</entry>
 755               <entry><option>-XNoCPP</option></entry>
 756             </row>
 757             <row>
 758               <entry><option>-XPatternGuards</option></entry>
 759               <entry>Enable <link linkend="pattern-guards">pattern guards</link>.</entry>
 760               <entry>dynamic</entry>
 761               <entry><option>-XNoPatternGuards</option></entry>
 762             </row>
 763             <row>
 764               <entry><option>-XViewPatterns</option></entry>
 765               <entry>Enable <link linkend="view-patterns">view patterns</link>.</entry>
 766               <entry>dynamic</entry>
 767               <entry><option>-XNoViewPatterns</option></entry>
 768             </row>
 769             <row>
 770               <entry><option>-XUnicodeSyntax</option></entry>
 771               <entry>Enable unicode syntax.</entry>
 772               <entry>dynamic</entry>
 773               <entry><option>-XNoUnicodeSyntax</option></entry>
 774             </row>
 775             <row>
 776               <entry><option>-XMagicHash</option></entry>
 777               <entry>Enable the &ldquo;magic hash&rdquo;.</entry>
 778               <entry>dynamic</entry>
 779               <entry><option>-XNoMagicHash</option></entry>
 780             </row>
 781             <row>
 782               <entry><option>-XPolymorphicComponents</option></entry>
 783               <entry>Enable <link linkend="universal-quantification">polymorphic components for data constructors</link>.</entry>
 784               <entry>dynamic</entry>
 785               <entry><option>-XNoPolymorphicComponents</option></entry>
 786             </row>
 787             <row>
 788               <entry><option>-XRank2Types</option></entry>
 789               <entry>Enable <link linkend="universal-quantification">rank-2 types</link>.</entry>
 790               <entry>dynamic</entry>
 791               <entry><option>-XNoRank2Types</option></entry>
 792             </row>
 793             <row>
 794               <entry><option>-XRankNTypes</option></entry>
 795               <entry>Enable <link linkend="universal-quantification">rank-N types</link>.</entry>
 796               <entry>dynamic</entry>
 797               <entry><option>-XNoRankNTypes</option></entry>
 798             </row>
 799             <row>
 800               <entry><option>-XImpredicativeTypes</option></entry>
 801               <entry>Enable <link linkend="impredicative-polymorphism">impredicative types</link>.</entry>
 802               <entry>dynamic</entry>
 803               <entry><option>-XNoImpredicativeTypes</option></entry>
 804             </row>
 805             <row>
 806               <entry><option>-XExistentialQuantification</option></entry>
 807               <entry>Enable <link linkend="existential-quantification">existential quantification</link>.</entry>
 808               <entry>dynamic</entry>
 809               <entry><option>-XNoExistentialQuantification</option></entry>
 810             </row>
 811             <row>
 812               <entry><option>-XKindSignatures</option></entry>
 813               <entry>Enable <link linkend="kinding">kind signatures</link>.</entry>
 814               <entry>dynamic</entry>
 815               <entry><option>-XNoKindSignatures</option></entry>
 816             </row>
 817             <row>
 818               <entry><option>-XPatternSignatures</option></entry>
 819               <entry>Enable <link linkend="pattern-type-sigs">pattern type signatures</link>.</entry>
 820               <entry>dynamic</entry>
 821               <entry><option>-XNoPatternSignatures</option></entry>
 822             </row>
 823             <row>
 824               <entry><option>-XEmptyDataDecls</option></entry>
 825               <entry>Enable empty data declarations.</entry>
 826               <entry>dynamic</entry>
 827               <entry><option>-XNoEmptyDataDecls</option></entry>
 828             </row>
 829             <row>
 830               <entry><option>-XParallelListComp</option></entry>
 831               <entry>Enable <link linkend="parallel-list-comprehensions">parallel list comprehensions</link>.</entry>
 832               <entry>dynamic</entry>
 833               <entry><option>-XNoParallelListComp</option></entry>
 834             </row>
 835             <row>
 836               <entry><option>-XTransformListComp</option></entry>
 837               <entry>Enable <link linkend="generalised-list-comprehensions">transform list comprehensions</link>.</entry>
 838               <entry>dynamic</entry>
 839               <entry><option>-XNoTransformListComp</option></entry>
 840             </row>
 841             <row>
 842               <entry><option>-XUnliftedFFITypes</option></entry>
 843               <entry>Enable unlifted FFI types.</entry>
 844               <entry>dynamic</entry>
 845               <entry><option>-XNoUnliftedFFITypes</option></entry>
 846             </row>
 847             <row>
 848               <entry><option>-XLiberalTypeSynonyms</option></entry>
 849               <entry>Enable <link linkend="type-synonyms">liberalised type synonyms</link>.</entry>
 850               <entry>dynamic</entry>
 851               <entry><option>-XNoLiberalTypeSynonyms</option></entry>
 852             </row>
 853             <row>
 854               <entry><option>-XTypeOperators</option></entry>
 855               <entry>Enable type operators.</entry>
 856               <entry>dynamic</entry>
 857               <entry><option>-XNoTypeOperators</option></entry>
 858             </row>
 859             <row>
 860               <entry><option>-XRecursiveDo</option></entry>
 861               <entry>Enable <link linkend="mdo-notation">recursive do (mdo) notation</link>.</entry>
 862               <entry>dynamic</entry>
 863               <entry><option>-XNoRecursiveDo</option></entry>
 864             </row>
 865             <row>
 866               <entry><option>-XPArr</option></entry>
 867               <entry>Enable parallel arrays.</entry>
 868               <entry>dynamic</entry>
 869               <entry><option>-XNoPArr</option></entry>
 870             </row>
 871             <row>
 872               <entry><option>-XRecordWildCards</option></entry>
 873               <entry>Enable <link linkend="record-wildcards">record wildcards</link>.</entry>
 874               <entry>dynamic</entry>
 875               <entry><option>-XNoRecordWildCards</option></entry>
 876             </row>
 877             <row>
 878               <entry><option>-XRecordPuns</option></entry>
 879               <entry>Enable <link linkend="record-puns">record puns</link>.</entry>
 880               <entry>dynamic</entry>
 881               <entry><option>-XNoRecordPuns</option></entry>
 882             </row>
 883             <row>
 884               <entry><option>-XDisambiguateRecordFields</option></entry>
 885               <entry>Enable  <link linkend="disambiguate-fields">record field disambiguation</link>. </entry>
 886               <entry>dynamic</entry>
 887               <entry><option>-XNoDisambiguateRecordFields</option></entry>
 888             </row>
 889             <row>
 890               <entry><option>-XUnboxedTuples</option></entry>
 891               <entry>Enable <link linkend="unboxed-tuples">unboxed tuples</link>.</entry>
 892               <entry>dynamic</entry>
 893               <entry><option>-XNoUnboxedTuples</option></entry>
 894             </row>
 895             <row>
 896               <entry><option>-XStandaloneDeriving</option></entry>
 897               <entry>Enable <link linkend="stand-alone-deriving">standalone deriving</link>.</entry>
 898               <entry>dynamic</entry>
 899               <entry><option>-XNoStandaloneDeriving</option></entry>
 900             </row>
 901             <row>
 902               <entry><option>-XDeriveDataTypeable</option></entry>
 903               <entry>Enable <link linkend="deriving-typeable">deriving for the Data and Typeable classes</link>.</entry>
 904               <entry>dynamic</entry>
 905               <entry><option>-XNoDeriveDataTypeable</option></entry>
 906             </row>
 907             <row>
 908               <entry><option>-XGeneralizedNewtypeDeriving</option></entry>
 909               <entry>Enable <link linkend="newtype-deriving">newtype deriving</link>.</entry>
 910               <entry>dynamic</entry>
 911               <entry><option>-XNoGeneralizedNewtypeDeriving</option></entry>
 912             </row>
 913             <row>
 914               <entry><option>-XTypeSynonymInstances</option></entry>
 915               <entry>Enable <link linkend="type-synonyms">type synonyms</link>.</entry>
 916               <entry>dynamic</entry>
 917               <entry><option>-XNoTypeSynonymInstances</option></entry>
 918             </row>
 919             <row>
 920               <entry><option>-XFlexibleContexts</option></entry>
 921               <entry>Enable <link linkend="flexible-contexts">flexible contexts</link>.</entry>
 922               <entry>dynamic</entry>
 923               <entry><option>-XNoFlexibleContexts</option></entry>
 924             </row>
 925             <row>
 926               <entry><option>-XFlexibleInstances</option></entry>
 927               <entry>Enable <link linkend="instance-rules">flexible instances</link>.</entry>
 928               <entry>dynamic</entry>
 929               <entry><option>-XNoFlexibleInstances</option></entry>
 930             </row>
 931             <row>
 932               <entry><option>-XConstrainedClassMethods</option></entry>
 933               <entry>Enable <link linkend="class-method-types">constrained class methods</link>.</entry>
 934               <entry>dynamic</entry>
 935               <entry><option>-XNoConstrainedClassMethods</option></entry>
 936             </row>
 937             <row>
 938               <entry><option>-XMultiParamTypeClasses</option></entry>
 939               <entry>Enable <link linkend="multi-param-type-classes">multi parameter type classes</link>.</entry>
 940               <entry>dynamic</entry>
 941               <entry><option>-XNoMultiParamTypeClasses</option></entry>
 942             </row>
 943             <row>
 944               <entry><option>-XFunctionalDependencies</option></entry>
 945               <entry>Enable <link linkend="functional-dependencies">functional dependencies</link>.</entry>
 946               <entry>dynamic</entry>
 947               <entry><option>-XNoFunctionalDependencies</option></entry>
 948             </row>
 949           </tbody>
 950         </tgroup>
 951       </informaltable>
 952     </sect2>
 953
 954     <sect2>
 955       <title>Warnings</title>
 956
 957       <para><xref linkend="options-sanity"/></para>
 958
 959     <informaltable>
 960       <tgroup cols="4" align="left" colsep="1" rowsep="1">
 961         <thead>
 962           <row>
 963             <entry>Flag</entry>
 964             <entry>Description</entry>
 965             <entry>Static/Dynamic</entry>
 966             <entry>Reverse</entry>
 967           </row>
 968         </thead>
 969         <tbody>
 970           <row>
 971             <entry><option>-W</option></entry>
 972             <entry>enable normal warnings</entry>
 973             <entry>dynamic</entry>
 974             <entry><option>-w</option></entry>
 975           </row>
 976           <row>
 977             <entry><option>-w</option></entry>
 978             <entry>disable all warnings</entry>
 979             <entry>dynamic</entry>
 980             <entry>-</entry>
 981           </row>
 982           <row>
 983             <entry><option>-Wall</option></entry>
 984             <entry>enable almost all warnings (details in <xref linkend="options-sanity"/>)</entry>
 985             <entry>dynamic</entry>
 986             <entry><option>-w</option></entry>
 987           </row>
 988           <row>
 989             <entry><option>-Werror</option></entry>
 990             <entry>make warnings fatal</entry>
 991             <entry>dynamic</entry>
 992             <entry>-Wwarn</entry>
 993           </row>
 994           <row>
 995             <entry><option>-Wwarn</option></entry>
 996             <entry>make warnings non-fatal</entry>
 997             <entry>dynamic</entry>
 998             <entry>-Werror</entry>
 999           </row>
1000
1001           <row>
1002             <entry><option>-fwarn-deprecations</option></entry>
1003             <entry>warn about uses of functions &amp; types that are deprecated</entry>
1004             <entry>dynamic</entry>
1005             <entry><option>-fno-warn-deprecations</option></entry>
1006           </row>
1007
1008           <row>
1009             <entry><option>-fwarn-duplicate-exports</option></entry>
1010             <entry>warn when an entity is exported multiple times</entry>
1011             <entry>dynamic</entry>
1012             <entry><option>-fno-warn-duplicate-exports</option></entry>
1013           </row>
1014
1015           <row>
1016             <entry><option>-fwarn-hi-shadowing</option></entry>
1017             <entry>warn when a <literal>.hi</literal> file in the
1018             current directory shadows a library</entry>
1019             <entry>dynamic</entry>
1020             <entry><option>-fno-warn-hi-shadowing</option></entry>
1021           </row>
1022
1023           <row>
1024             <entry><option>-fwarn-implicit-prelude</option></entry>
1025             <entry>warn when the Prelude is implicitly imported</entry>
1026             <entry>dynamic</entry>
1027             <entry><option>-fno-warn-implicit-prelude</option></entry>
1028           </row>
1029
1030           <row>
1031             <entry><option>-fwarn-incomplete-patterns</option></entry>
1032             <entry>warn when a pattern match could fail</entry>
1033             <entry>dynamic</entry>
1034             <entry><option>-fno-warn-incomplete-patterns</option></entry>
1035           </row>
1036
1037           <row>
1038             <entry><option>-fwarn-incomplete-record-updates</option></entry>
1039             <entry>warn when a record update could fail</entry>
1040             <entry>dynamic</entry>
1041             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
1042           </row>
1043
1044           <row>
1045             <entry><option>-fwarn-missing-fields</option></entry>
1046             <entry>warn when fields of a record are uninitialised</entry>
1047             <entry>dynamic</entry>
1048             <entry><option>-fno-warn-missing-fields</option></entry>
1049           </row>
1050
1051           <row>
1052             <entry><option>-fwarn-missing-methods</option></entry>
1053             <entry>warn when class methods are undefined</entry>
1054             <entry>dynamic</entry>
1055             <entry><option>-fno-warn-missing-methods</option></entry>
1056           </row>
1057
1058           <row>
1059             <entry><option>-fwarn-missing-signatures</option></entry>
1060             <entry>warn about top-level functions without signatures</entry>
1061             <entry>dynamic</entry>
1062             <entry><option>-fno-warn-missing-signatures</option></entry>
1063           </row>
1064
1065           <row>
1066             <entry><option>-fwarn-name-shadowing</option></entry>
1067             <entry>warn when names are shadowed</entry>
1068             <entry>dynamic</entry>
1069             <entry><option>-fno-warn-name-shadowing</option></entry>
1070           </row>
1071
1072           <row>
1073             <entry><option>-fwarn-orphans</option></entry>
1074             <entry>warn when the module contains <link linkend="orphan-modules">orphan instance declarations
1075             or rewrite rules</link></entry>
1076             <entry>dynamic</entry>
1077             <entry><option>-fno-warn-orphans</option></entry>
1078           </row>
1079
1080           <row>
1081             <entry><option>-fwarn-overlapping-patterns</option></entry>
1082             <entry>warn about overlapping patterns</entry>
1083             <entry>dynamic</entry>
1084             <entry><option>-fno-warn-overlapping-patterns</option></entry>
1085           </row>
1086
1087           <row>
1088             <entry><option>-fwarn-simple-patterns</option></entry>
1089             <entry>warn about lambda-patterns that can fail</entry>
1090             <entry>dynamic</entry>
1091             <entry><option>-fno-warn-simple-patterns</option></entry>
1092           </row>
1093
1094           <row>
1095             <entry><option>-fwarn-tabs</option></entry>
1096             <entry>warn if there are tabs in the source file</entry>
1097             <entry>dynamic</entry>
1098             <entry><option>-fno-warn-tabs</option></entry>
1099           </row>
1100
1101           <row>
1102             <entry><option>-fwarn-type-defaults</option></entry>
1103             <entry>warn when defaulting happens</entry>
1104             <entry>dynamic</entry>
1105             <entry><option>-fno-warn-type-defaults</option></entry>
1106           </row>
1107
1108           <row>
1109             <entry><option>-fwarn-monomorphism-restriction</option></entry>
1110             <entry>warn when the Monomorphism Restriction is applied</entry>
1111             <entry>dynamic</entry>
1112             <entry><option>-fno-warn-monomorphism-restriction</option></entry>
1113           </row>
1114
1115           <row>
1116             <entry><option>-fwarn-unused-binds</option></entry>
1117             <entry>warn about bindings that are unused</entry>
1118             <entry>dynamic</entry>
1119             <entry><option>-fno-warn-unused-binds</option></entry>
1120           </row>
1121
1122           <row>
1123             <entry><option>-fwarn-unused-imports</option></entry>
1124             <entry>warn about unnecessary imports</entry>
1125             <entry>dynamic</entry>
1126             <entry><option>-fno-warn-unused-imports</option></entry>
1127           </row>
1128
1129           <row>
1130             <entry><option>-fwarn-unused-matches</option></entry>
1131             <entry>warn about variables in patterns that aren't used</entry>
1132             <entry>dynamic</entry>
1133             <entry><option>-fno-warn-unused-matches</option></entry>
1134           </row>
1135
1136           </tbody>
1137         </tgroup>
1138       </informaltable>
1139
1140     </sect2>
1141     <sect2>
1142       <title>Optimisation levels</title>
1143
1144       <para><xref linkend="options-optimise"/></para>
1145
1146       <informaltable>
1147         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1148           <thead>
1149             <row>
1150               <entry>Flag</entry>
1151               <entry>Description</entry>
1152               <entry>Static/Dynamic</entry>
1153               <entry>Reverse</entry>
1154             </row>
1155           </thead>
1156           <tbody>
1157             <row>
1158               <entry><option>-O</option></entry>
1159               <entry>Enable default optimisation (level 1)</entry>
1160               <entry>dynamic</entry>
1161               <entry><option>-O0</option></entry>
1162             </row>
1163             <row>
1164               <entry><option>-O</option><replaceable>n</replaceable></entry>
1165               <entry>Set optimisation level <replaceable>n</replaceable></entry>
1166               <entry>dynamic</entry>
1167               <entry><option>-O0</option></entry>
1168             </row>
1169           </tbody>
1170         </tgroup>
1171       </informaltable>
1172
1173     </sect2>
1174     <sect2>
1175       <title>Individual optimisations</title>
1176
1177       <para><xref linkend="options-f"/></para>
1178
1179       <informaltable>
1180         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1181           <thead>
1182             <row>
1183               <entry>Flag</entry>
1184               <entry>Description</entry>
1185               <entry>Static/Dynamic</entry>
1186               <entry>Reverse</entry>
1187             </row>
1188           </thead>
1189           <tbody>
1190             <row>
1191               <entry><option>-fcase-merge</option></entry>
1192               <entry>Enable case-merging. Implied by <option>-O</option>.</entry>
1193               <entry>dynamic</entry>
1194               <entry><option>-fno-case-merge</option></entry>
1195             </row>
1196
1197             <row>
1198               <entry><option>-fdicts-strict</option></entry>
1199               <entry>Make dictionaries strict</entry>
1200               <entry>static</entry>
1201               <entry><option>-fno-dicts-strict</option></entry>
1202             </row>
1203
1204             <row>
1205               <entry><option>-fdo-eta-reduction</option></entry>
1206               <entry>Enable eta-reduction. Implied by <option>-O</option>.</entry>
1207               <entry>dynamic</entry>
1208               <entry><option>-fno-do-eta-reduction</option></entry>
1209             </row>
1210
1211             <row>
1212               <entry><option>-fdo-lambda-eta-expansion</option></entry>
1213               <entry>Enable lambda eta-reduction</entry>
1214               <entry>dynamic</entry>
1215               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
1216             </row>
1217
1218             <row>
1219               <entry><option>-fexcess-precision</option></entry>
1220               <entry>Enable excess intermediate precision</entry>
1221               <entry>dynamic</entry>
1222               <entry><option>-fno-excess-precision</option></entry>
1223             </row>
1224
1225             <row>
1226               <entry><option>-fignore-asserts</option></entry>
1227               <entry>Ignore assertions in the source</entry>
1228               <entry>dynamic</entry>
1229               <entry><option>-fno-ignore-asserts</option></entry>
1230             </row>
1231
1232             <row>
1233               <entry><option>-fignore-interface-pragmas</option></entry>
1234               <entry>Ignore pragmas in interface files</entry>
1235               <entry>dynamic</entry>
1236               <entry><option>-fno-ignore-interface-pragmas</option></entry>
1237             </row>
1238
1239             <row>
1240               <entry><option>-fomit-interface-pragmas</option></entry>
1241               <entry>Don't generate interface pragmas</entry>
1242               <entry>dynamic</entry>
1243               <entry><option>-fno-omit-interface-pragmas</option></entry>
1244             </row>
1245
1246             <row>
1247               <entry><option>-fmax-worker-args</option></entry>
1248               <entry>If a worker has that many arguments, none will be
1249                 unpacked anymore (default: 10)</entry>
1250               <entry>static</entry>
1251               <entry>-</entry>
1252             </row>
1253
1254             <row>
1255               <entry><option>-fsimplifier-phases</option></entry>
1256               <entry>Set the number of phases for the simplifier (default 2).
1257               Ignored with <option>-O0</option>.</entry>
1258               <entry>dynamic</entry>
1259               <entry>-</entry>
1260             </row>
1261
1262             <row>
1263               <entry><option>-fmax-simplifier-iterations</option></entry>
1264               <entry>Set the max iterations for the simplifier</entry>
1265               <entry>dynamic</entry>
1266               <entry>-</entry>
1267             </row>
1268
1269             <row>
1270               <entry><option>-fno-state-hack</option></entry>
1271               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
1272               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
1273               <entry>static</entry>
1274               <entry>-</entry>
1275             </row>
1276
1277             <row>
1278               <entry><option>-fcse</option></entry>
1279               <entry>Turn on common sub-expression elimination. Implied by <option>-O</option>.</entry>
1280               <entry>dynamic</entry>
1281               <entry>-fno-cse</entry>
1282             </row>
1283
1284             <row>
1285               <entry><option>-ffull-laziness</option></entry>
1286               <entry>Turn on full laziness (floating bindings outwards). Implied by <option>-O</option>.</entry>
1287               <entry>dynamic</entry>
1288               <entry>-fno-full-laziness</entry>
1289             </row>
1290
1291             <row>
1292               <entry><option>-frewrite-rules</option></entry>
1293               <entry>Switch on all rewrite rules (including rules
1294               generated by automatic specialisation of overloaded functions).
1295               Implied by <option>-O</option>. </entry>
1296               <entry>dynamic</entry>
1297               <entry><option>-fno-rewrite-rules</option></entry>
1298             </row>
1299
1300             <row>
1301               <entry><option>-fstrictness</option></entry>
1302               <entry>Turn on strictness analysis. Implied by <option>-O</option>.</entry>
1303               <entry>dynamic</entry>
1304               <entry>-fno-strictness</entry>
1305             </row>
1306
1307             <row>
1308               <entry><option>-fspec-constr</option></entry>
1309               <entry>Turn on the SpecConstr transformation. Implied by <option>-O2</option>.</entry>
1310               <entry>dynamic</entry>
1311               <entry>-fno-spec-constr</entry>
1312             </row>
1313
1314             <row>
1315               <entry><option>-fspec-constr-threshold</option>=<replaceable>n</replaceable></entry>
1316               <entry>Set the size threshold for the SpecConstr transformation to <replaceable>n</replaceable> (default: 200)</entry>
1317               <entry>static</entry>
1318               <entry><option>-fno-spec-constr-threshold</option></entry>
1319             </row>
1320
1321             <row>
1322               <entry><option>-fliberate-case</option></entry>
1323               <entry>Turn on the liberate-case transformation. Implied by <option>-O2</option>.</entry>
1324               <entry>dynamic</entry>
1325               <entry>-fno-liberate-case</entry>
1326             </row>
1327
1328             <row>
1329               <entry><option>-fliberate-case-threshold</option>=<replaceable>n</replaceable></entry>
1330               <entry>Set the size threshold for the liberate-case transformation to <replaceable>n</replaceable> (default: 200)</entry>
1331               <entry>static</entry>
1332               <entry><option>-fno-liberate-case-threshold</option></entry>
1333             </row>
1334
1335             <row>
1336               <entry><option>-funbox-strict-fields</option></entry>
1337               <entry>Flatten strict constructor fields</entry>
1338               <entry>dynamic</entry>
1339               <entry><option>-fno-unbox-strict-fields</option></entry>
1340             </row>
1341
1342             <row>
1343               <entry><option>-funfolding-creation-threshold</option></entry>
1344               <entry>Tweak unfolding settings</entry>
1345               <entry>static</entry>
1346               <entry><option>-fno-unfolding-creation-threshold</option></entry>
1347             </row>
1348
1349             <row>
1350               <entry><option>-funfolding-fun-discount</option></entry>
1351               <entry>Tweak unfolding settings</entry>
1352               <entry>static</entry>
1353               <entry><option>-fno-unfolding-fun-discount</option></entry>
1354             </row>
1355
1356             <row>
1357               <entry><option>-funfolding-keeness-factor</option></entry>
1358               <entry>Tweak unfolding settings</entry>
1359               <entry>static</entry>
1360               <entry><option>-fno-unfolding-keeness-factor</option></entry>
1361             </row>
1362
1363             <row>
1364               <entry><option>-funfolding-use-threshold</option></entry>
1365               <entry>Tweak unfolding settings</entry>
1366               <entry>static</entry>
1367               <entry><option>-fno-unfolding-use-threshold</option></entry>
1368             </row>
1369
1370             <row>
1371               <entry><option>-fno-pre-inlining</option></entry>
1372               <entry>Turn off pre-inlining</entry>
1373               <entry>static</entry>
1374               <entry>-</entry>
1375             </row>
1376           </tbody>
1377         </tgroup>
1378       </informaltable>
1379     </sect2>
1380
1381     <sect2>
1382       <title>Profiling options</title>
1383
1384       <para><xref linkend="profiling"/></para>
1385
1386       <informaltable>
1387         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1388           <thead>
1389             <row>
1390               <entry>Flag</entry>
1391               <entry>Description</entry>
1392               <entry>Static/Dynamic</entry>
1393               <entry>Reverse</entry>
1394             </row>
1395           </thead>
1396           <tbody>
1397             <row>
1398               <entry><option>-auto</option></entry>
1399               <entry>Auto-add <literal>_scc_</literal>s to all
1400               exported functions</entry>
1401               <entry>static</entry>
1402               <entry><option>-no-auto</option></entry>
1403             </row>
1404             <row>
1405               <entry><option>-auto-all</option></entry>
1406               <entry>Auto-add <literal>_scc_</literal>s to all
1407               top-level functions</entry>
1408               <entry>static</entry>
1409               <entry><option>-no-auto-all</option></entry>
1410             </row>
1411             <row>
1412               <entry><option>-caf-all</option></entry>
1413               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
1414               <entry>static</entry>
1415               <entry><option>-no-caf-all</option></entry>
1416             </row>
1417             <row>
1418               <entry><option>-prof</option></entry>
1419               <entry>Turn on profiling</entry>
1420               <entry>static</entry>
1421               <entry>-</entry>
1422             </row>
1423             <row>
1424               <entry><option>-ticky</option></entry>
1425               <entry>Turn on ticky-ticky profiling</entry>
1426               <entry>static</entry>
1427               <entry>-</entry>
1428             </row>
1429           </tbody>
1430         </tgroup>
1431       </informaltable>
1432     </sect2>
1433
1434     <sect2>
1435       <title>Program coverage options</title>
1436
1437       <para><xref linkend="hpc"/></para>
1438
1439       <informaltable>
1440         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1441           <thead>
1442             <row>
1443               <entry>Flag</entry>
1444               <entry>Description</entry>
1445               <entry>Static/Dynamic</entry>
1446               <entry>Reverse</entry>
1447             </row>
1448           </thead>
1449           <tbody>
1450             <row>
1451               <entry><option>-fhpc</option></entry>
1452               <entry>Turn on Haskell program coverage instrumentation</entry>
1453               <entry>static</entry>
1454               <entry><option>-</option></entry>
1455             </row>
1456             <row>
1457               <entry><option>-hpcdir dir</option></entry>
1458               <entry>Directory to deposit .mix files during compilation (default is .hpc)</entry>
1459               <entry>dynamic</entry>
1460               <entry><option>-</option></entry>
1461             </row>
1462           </tbody>
1463         </tgroup>
1464       </informaltable>
1465     </sect2>
1466
1467     <sect2>
1468       <title>Haskell pre-processor options</title>
1469
1470       <para><xref linkend="pre-processor"/></para>
1471
1472       <informaltable>
1473         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1474           <thead>
1475             <row>
1476               <entry>Flag</entry>
1477               <entry>Description</entry>
1478               <entry>Static/Dynamic</entry>
1479               <entry>Reverse</entry>
1480             </row>
1481           </thead>
1482           <tbody>
1483             <row>
1484               <entry><option>-F</option></entry>
1485               <entry>
1486                   Enable the use of a pre-processor
1487                   (set with <option>-pgmF</option>)
1488               </entry>
1489               <entry>dynamic</entry>
1490               <entry>-</entry>
1491             </row>
1492           </tbody>
1493         </tgroup>
1494       </informaltable>
1495     </sect2>
1496
1497     <sect2>
1498       <title>C pre-processor options</title>
1499
1500       <para><xref linkend="c-pre-processor"/></para>
1501
1502       <informaltable>
1503         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1504           <thead>
1505             <row>
1506               <entry>Flag</entry>
1507               <entry>Description</entry>
1508               <entry>Static/Dynamic</entry>
1509               <entry>Reverse</entry>
1510             </row>
1511           </thead>
1512           <tbody>
1513             <row>
1514               <entry><option>-cpp</option></entry>
1515               <entry>Run the C pre-processor on Haskell source files</entry>
1516               <entry>dynamic</entry>
1517               <entry>-</entry>
1518             </row>
1519             <row>
1520               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1521               <entry>Define a symbol in the C pre-processor</entry>
1522               <entry>dynamic</entry>
1523               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1524             </row>
1525             <row>
1526               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1527               <entry>Undefine a symbol in the C pre-processor</entry>
1528               <entry>dynamic</entry>
1529               <entry>-</entry>
1530             </row>
1531             <row>
1532               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1533               <entry>Add <replaceable>dir</replaceable> to the
1534               directory search list for <literal>#include</literal> files</entry>
1535               <entry>dynamic</entry>
1536               <entry>-</entry>
1537             </row>
1538           </tbody>
1539         </tgroup>
1540       </informaltable>
1541     </sect2>
1542
1543     <sect2>
1544       <title>C compiler options</title>
1545
1546       <para><xref linkend="options-C-compiler"/></para>
1547       <informaltable>
1548         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1549           <thead>
1550             <row>
1551               <entry>Flag</entry>
1552               <entry>Description</entry>
1553               <entry>Static/Dynamic</entry>
1554               <entry>Reverse</entry>
1555             </row>
1556           </thead>
1557           <tbody>
1558             <row>
1559               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1560               <entry>Include <replaceable>file</replaceable> when
1561               compiling the <filename>.hc</filename> file</entry>
1562               <entry>dynamic</entry>
1563               <entry>-</entry>
1564             </row>
1565           </tbody>
1566         </tgroup>
1567       </informaltable>
1568     </sect2>
1569
1570     <sect2>
1571       <title>Code generation options</title>
1572
1573       <para><xref linkend="options-codegen"/></para>
1574
1575       <informaltable>
1576         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1577           <thead>
1578             <row>
1579               <entry>Flag</entry>
1580               <entry>Description</entry>
1581               <entry>Static/Dynamic</entry>
1582               <entry>Reverse</entry>
1583             </row>
1584           </thead>
1585           <tbody>
1586             <row>
1587               <entry><option>-fasm</option></entry>
1588               <entry>Use the native code generator</entry>
1589               <entry>dynamic</entry>
1590               <entry>-fvia-C</entry>
1591             </row>
1592             <row>
1593               <entry><option>-fvia-C</option></entry>
1594               <entry>Compile via C</entry>
1595               <entry>dynamic</entry>
1596               <entry>-fasm</entry>
1597             </row>
1598             <row>
1599               <entry><option>-fno-code</option></entry>
1600               <entry>Omit code generation</entry>
1601               <entry>dynamic</entry>
1602               <entry>-</entry>
1603             </row>
1604             <row>
1605               <entry><option>-fbyte-code</option></entry>
1606               <entry>Generate byte-code</entry>
1607               <entry>dynamic</entry>
1608               <entry>-</entry>
1609             </row>
1610             <row>
1611               <entry><option>-fobject-code</option></entry>
1612               <entry>Generate object code</entry>
1613               <entry>dynamic</entry>
1614               <entry>-</entry>
1615             </row>
1616           </tbody>
1617         </tgroup>
1618       </informaltable>
1619     </sect2>
1620
1621     <sect2>
1622       <title>Linking options</title>
1623
1624       <para><xref linkend="options-linker"/></para>
1625
1626       <informaltable>
1627         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1628           <thead>
1629             <row>
1630               <entry>Flag</entry>
1631               <entry>Description</entry>
1632               <entry>Static/Dynamic</entry>
1633               <entry>Reverse</entry>
1634             </row>
1635           </thead>
1636           <tbody>
1637             <row>
1638               <entry><option>-fPIC</option></entry>
1639               <entry>Generate position-independent code (where available)</entry>
1640               <entry>static</entry>
1641               <entry>-</entry>
1642             </row>
1643             <row>
1644               <entry><option>-dynamic</option></entry>
1645               <entry>Use dynamic Haskell libraries (if available)</entry>
1646               <entry>static</entry>
1647               <entry>-</entry>
1648             </row>
1649             <row>
1650               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1651               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1652                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1653               <entry>dynamic</entry>
1654               <entry>-</entry>
1655             </row>
1656             <row>
1657               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1658               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1659                 directories searched for frameworks.
1660                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1661               <entry>dynamic</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1666               <entry>Link in library <replaceable>lib</replaceable></entry>
1667               <entry>dynamic</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1672               <entry>Add <replaceable>dir</replaceable> to the list of
1673               directories searched for libraries</entry>
1674               <entry>dynamic</entry>
1675               <entry>-</entry>
1676             </row>
1677             <row>
1678               <entry><option>-main-is</option></entry>
1679               <entry>Set main module and function</entry>
1680               <entry>dynamic</entry>
1681               <entry>-</entry>
1682             </row>
1683             <row>
1684               <entry><option>--mk-dll</option></entry>
1685               <entry>DLL-creation mode (Windows only)</entry>
1686               <entry>dynamic</entry>
1687               <entry>-</entry>
1688             </row>
1689             <row>
1690               <entry><option>-no-hs-main</option></entry>
1691               <entry>Don't assume this program contains <literal>main</literal></entry>
1692               <entry>dynamic</entry>
1693               <entry>-</entry>
1694             </row>
1695             <row>
1696               <entry><option>-no-link</option></entry>
1697               <entry>Omit linking</entry>
1698               <entry>dynamic</entry>
1699               <entry>-</entry>
1700             </row>
1701             <row>
1702               <entry><option>-split-objs</option></entry>
1703               <entry>Split objects (for libraries)</entry>
1704               <entry>dynamic</entry>
1705               <entry>-</entry>
1706             </row>
1707             <row>
1708               <entry><option>-static</option></entry>
1709               <entry>Use static Haskell libraries</entry>
1710               <entry>static</entry>
1711               <entry>-</entry>
1712             </row>
1713             <row>
1714               <entry><option>-threaded</option></entry>
1715               <entry>Use the threaded runtime</entry>
1716               <entry>static</entry>
1717               <entry>-</entry>
1718             </row>
1719             <row>
1720               <entry><option>-debug</option></entry>
1721               <entry>Use the debugging runtime</entry>
1722               <entry>static</entry>
1723               <entry>-</entry>
1724             </row>
1725             <row>
1726               <entry><option>-fno-gen-manifest</option></entry>
1727               <entry>Do not generate a manifest file (Windows only)</entry>
1728               <entry>dynamic</entry>
1729               <entry>-</entry>
1730             </row>
1731             <row>
1732               <entry><option>-fno-embed-manifest</option></entry>
1733               <entry>Do not embed the manifest in the executable (Windows only)</entry>
1734               <entry>dynamic</entry>
1735               <entry>-</entry>
1736             </row>
1737           </tbody>
1738         </tgroup>
1739       </informaltable>
1740     </sect2>
1741
1742     <sect2>
1743       <title>Replacing phases</title>
1744
1745       <para><xref linkend="replacing-phases"/></para>
1746
1747       <informaltable>
1748         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1749           <thead>
1750             <row>
1751               <entry>Flag</entry>
1752               <entry>Description</entry>
1753               <entry>Static/Dynamic</entry>
1754               <entry>Reverse</entry>
1755             </row>
1756           </thead>
1757           <tbody>
1758             <row>
1759               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1760               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1761               <entry>dynamic</entry>
1762               <entry>-</entry>
1763             </row>
1764             <row>
1765               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1766               <entry>Use <replaceable>cmd</replaceable> as the C
1767               pre-processor (with <option>-cpp</option> only)</entry>
1768               <entry>dynamic</entry>
1769               <entry>-</entry>
1770             </row>
1771             <row>
1772               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1773               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1774               <entry>dynamic</entry>
1775               <entry>-</entry>
1776             </row>
1777             <row>
1778               <entry><option>-pgmm</option> <replaceable>cmd</replaceable></entry>
1779               <entry>Use <replaceable>cmd</replaceable> as the mangler</entry>
1780               <entry>dynamic</entry>
1781               <entry>-</entry>
1782             </row>
1783             <row>
1784               <entry><option>-pgms</option> <replaceable>cmd</replaceable></entry>
1785               <entry>Use <replaceable>cmd</replaceable> as the splitter</entry>
1786               <entry>dynamic</entry>
1787               <entry>-</entry>
1788             </row>
1789             <row>
1790               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1791               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1792               <entry>dynamic</entry>
1793               <entry>-</entry>
1794             </row>
1795             <row>
1796               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1797               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1798               <entry>dynamic</entry>
1799               <entry>-</entry>
1800             </row>
1801             <row>
1802               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1803               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1804               <entry>dynamic</entry>
1805               <entry>-</entry>
1806             </row>
1807             <row>
1808               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1809               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1810               (with <option>-F</option> only)</entry>
1811               <entry>dynamic</entry>
1812               <entry>-</entry>
1813             </row>
1814             <row>
1815               <entry><option>-pgmwindres</option> <replaceable>cmd</replaceable></entry>
1816               <entry>Use <replaceable>cmd</replaceable> as the program for
1817                 embedding manifests on Windows.</entry>
1818               <entry>dynamic</entry>
1819               <entry>-</entry>
1820             </row>
1821           </tbody>
1822         </tgroup>
1823       </informaltable>
1824       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1825       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1826       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1827       <indexterm><primary><option>-pgma</option></primary></indexterm>
1828       <indexterm><primary><option>-pgml</option></primary></indexterm>
1829       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1830       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1831
1832     </sect2>
1833
1834     <sect2>
1835       <title>Forcing options to particular phases</title>
1836
1837       <para><xref linkend="forcing-options-through"/></para>
1838
1839       <informaltable>
1840         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1841           <thead>
1842             <row>
1843               <entry>Flag</entry>
1844               <entry>Description</entry>
1845               <entry>Static/Dynamic</entry>
1846               <entry>Reverse</entry>
1847             </row>
1848           </thead>
1849           <tbody>
1850             <row>
1851               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1852               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1853               <entry>dynamic</entry>
1854               <entry>-</entry>
1855             </row>
1856             <row>
1857               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1858               <entry>pass <replaceable>option</replaceable> to cpp (with
1859               <option>-cpp</option> only)</entry>
1860               <entry>dynamic</entry>
1861               <entry>-</entry>
1862             </row>
1863             <row>
1864               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1865               <entry>pass <replaceable>option</replaceable> to the
1866               custom pre-processor</entry>
1867               <entry>dynamic</entry>
1868               <entry>-</entry>
1869             </row>
1870             <row>
1871               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1872               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1873               <entry>dynamic</entry>
1874               <entry>-</entry>
1875             </row>
1876             <row>
1877               <entry><option>-optm</option> <replaceable>option</replaceable></entry>
1878               <entry>pass <replaceable>option</replaceable> to the mangler</entry>
1879               <entry>dynamic</entry>
1880               <entry>-</entry>
1881             </row>
1882             <row>
1883               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1884               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1885               <entry>dynamic</entry>
1886               <entry>-</entry>
1887             </row>
1888             <row>
1889               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1890               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1891               <entry>dynamic</entry>
1892               <entry>-</entry>
1893             </row>
1894             <row>
1895               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1896               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1897               <entry>dynamic</entry>
1898               <entry>-</entry>
1899             </row>
1900             <row>
1901               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1902               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1903               <entry>dynamic</entry>
1904               <entry>-</entry>
1905             </row>
1906             <row>
1907               <entry><option>-optwindres</option> <replaceable>option</replaceable></entry>
1908               <entry>pass <replaceable>option</replaceable> to <literal>windres</literal>.</entry>
1909               <entry>dynamic</entry>
1910               <entry>-</entry>
1911             </row>
1912           </tbody>
1913         </tgroup>
1914       </informaltable>
1915     </sect2>
1916
1917     <sect2>
1918       <title>Platform-specific options</title>
1919
1920       <para><xref linkend="options-platform"/></para>
1921
1922       <informaltable>
1923         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1924           <thead>
1925             <row>
1926               <entry>Flag</entry>
1927               <entry>Description</entry>
1928               <entry>Static/Dynamic</entry>
1929               <entry>Reverse</entry>
1930             </row>
1931           </thead>
1932           <tbody>
1933             <row>
1934               <entry><option>-monly-[432]-regs</option></entry>
1935               <entry>(x86 only) give some registers back to the C compiler</entry>
1936               <entry>dynamic</entry>
1937               <entry>-</entry>
1938             </row>
1939           </tbody>
1940         </tgroup>
1941       </informaltable>
1942     </sect2>
1943
1944
1945     <sect2>
1946       <title>External core file options</title>
1947
1948       <para><xref linkend="ext-core"/></para>
1949
1950       <informaltable>
1951         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1952           <thead>
1953             <row>
1954               <entry>Flag</entry>
1955               <entry>Description</entry>
1956               <entry>Static/Dynamic</entry>
1957               <entry>Reverse</entry>
1958             </row>
1959           </thead>
1960           <tbody>
1961             <row>
1962               <entry><option>-fext-core</option></entry>
1963               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1964               <entry>static</entry>
1965               <entry>-</entry>
1966             </row>
1967           </tbody>
1968         </tgroup>
1969       </informaltable>
1970     </sect2>
1971
1972
1973     <sect2>
1974       <title>Compiler debugging options</title>
1975
1976       <para><xref linkend="options-debugging"/></para>
1977
1978       <informaltable>
1979         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1980           <thead>
1981             <row>
1982               <entry>Flag</entry>
1983               <entry>Description</entry>
1984               <entry>Static/Dynamic</entry>
1985               <entry>Reverse</entry>
1986             </row>
1987           </thead>
1988           <tbody>
1989             <row>
1990               <entry><option>-dcore-lint</option></entry>
1991               <entry>Turn on internal sanity checking</entry>
1992               <entry>dynamic</entry>
1993               <entry>-</entry>
1994             </row>
1995             <row>
1996               <entry><option>-ddump-asm</option></entry>
1997               <entry>Dump assembly</entry>
1998               <entry>dynamic</entry>
1999               <entry>-</entry>
2000             </row>
2001             <row>
2002               <entry><option>-ddump-bcos</option></entry>
2003               <entry>Dump interpreter byte code</entry>
2004               <entry>dynamic</entry>
2005               <entry>-</entry>
2006             </row>
2007             <row>
2008               <entry><option>-ddump-cmm</option></entry>
2009               <entry>Dump C-- output</entry>
2010               <entry>dynamic</entry>
2011               <entry>-</entry>
2012             </row>
2013             <row>
2014               <entry><option>-ddump-cpranal</option></entry>
2015               <entry>Dump output from CPR analysis</entry>
2016               <entry>dynamic</entry>
2017               <entry>-</entry>
2018             </row>
2019             <row>
2020               <entry><option>-ddump-cse</option></entry>
2021               <entry>Dump CSE output</entry>
2022               <entry>dynamic</entry>
2023               <entry>-</entry>
2024             </row>
2025             <row>
2026               <entry><option>-ddump-deriv</option></entry>
2027               <entry>Dump deriving output</entry>
2028               <entry>dynamic</entry>
2029               <entry>-</entry>
2030             </row>
2031             <row>
2032               <entry><option>-ddump-ds</option></entry>
2033               <entry>Dump desugarer output</entry>
2034               <entry>dynamic</entry>
2035               <entry>-</entry>
2036             </row>
2037             <row>
2038               <entry><option>-ddump-flatC</option></entry>
2039               <entry>Dump &ldquo;flat&rdquo; C</entry>
2040               <entry>dynamic</entry>
2041               <entry>-</entry>
2042             </row>
2043             <row>
2044               <entry><option>-ddump-foreign</option></entry>
2045               <entry>Dump <literal>foreign export</literal> stubs</entry>
2046               <entry>dynamic</entry>
2047               <entry>-</entry>
2048             </row>
2049             <row>
2050               <entry><option>-ddump-hpc</option></entry>
2051               <entry>Dump after instrumentation for program coverage</entry>
2052               <entry>dynamic</entry>
2053               <entry>-</entry>
2054             </row>
2055             <row>
2056               <entry><option>-ddump-inlinings</option></entry>
2057               <entry>Dump inlining info</entry>
2058               <entry>dynamic</entry>
2059               <entry>-</entry>
2060             </row>
2061             <row>
2062               <entry><option>-ddump-occur-anal</option></entry>
2063               <entry>Dump occurrence analysis output</entry>
2064               <entry>dynamic</entry>
2065               <entry>-</entry>
2066             </row>
2067             <row>
2068               <entry><option>-ddump-opt-cmm</option></entry>
2069               <entry>Dump the results of C-- to C-- optimising passes</entry>
2070               <entry>dynamic</entry>
2071               <entry>-</entry>
2072             </row>
2073             <row>
2074               <entry><option>-ddump-parsed</option></entry>
2075               <entry>Dump parse tree</entry>
2076               <entry>dynamic</entry>
2077               <entry>-</entry>
2078             </row>
2079             <row>
2080               <entry><option>-ddump-prep</option></entry>
2081               <entry>Dump prepared core</entry>
2082               <entry>dynamic</entry>
2083               <entry>-</entry>
2084             </row>
2085             <row>
2086               <entry><option>-ddump-rn</option></entry>
2087               <entry>Dump renamer output</entry>
2088               <entry>dynamic</entry>
2089               <entry>-</entry>
2090             </row>
2091             <row>
2092               <entry><option>-ddump-rules</option></entry>
2093               <entry>Dump rules</entry>
2094               <entry>dynamic</entry>
2095               <entry>-</entry>
2096             </row>
2097             <row>
2098               <entry><option>-ddump-simpl</option></entry>
2099               <entry>Dump final simplifier output</entry>
2100               <entry>dynamic</entry>
2101               <entry>-</entry>
2102             </row>
2103             <row>
2104               <entry><option>-ddump-simpl-phases</option></entry>
2105               <entry>Dump output from each simplifier phase</entry>
2106               <entry>dynamic</entry>
2107               <entry>-</entry>
2108             </row>
2109             <row>
2110               <entry><option>-ddump-simpl-iterations</option></entry>
2111               <entry>Dump output from each simplifier iteration</entry>
2112               <entry>dynamic</entry>
2113               <entry>-</entry>
2114             </row>
2115             <row>
2116               <entry><option>-ddump-spec</option></entry>
2117               <entry>Dump specialiser output</entry>
2118               <entry>dynamic</entry>
2119               <entry>-</entry>
2120             </row>
2121             <row>
2122               <entry><option>-ddump-splices</option></entry>
2123               <entry>Dump TH spliced expressions, and what they evaluate to</entry>
2124               <entry>dynamic</entry>
2125               <entry>-</entry>
2126             </row>
2127             <row>
2128               <entry><option>-ddump-stg</option></entry>
2129               <entry>Dump final STG</entry>
2130               <entry>dynamic</entry>
2131               <entry>-</entry>
2132             </row>
2133             <row>
2134               <entry><option>-ddump-stranal</option></entry>
2135               <entry>Dump strictness analyser output</entry>
2136               <entry>dynamic</entry>
2137               <entry>-</entry>
2138             </row>
2139             <row>
2140               <entry><option>-ddump-tc</option></entry>
2141               <entry>Dump typechecker output</entry>
2142               <entry>dynamic</entry>
2143               <entry>-</entry>
2144             </row>
2145             <row>
2146               <entry><option>-ddump-types</option></entry>
2147               <entry>Dump type signatures</entry>
2148               <entry>dynamic</entry>
2149               <entry>-</entry>
2150             </row>
2151             <row>
2152               <entry><option>-ddump-worker-wrapper</option></entry>
2153               <entry>Dump worker-wrapper output</entry>
2154               <entry>dynamic</entry>
2155               <entry>-</entry>
2156             </row>
2157             <row>
2158               <entry><option>-ddump-if-trace</option></entry>
2159               <entry>Trace interface files</entry>
2160               <entry>dynamic</entry>
2161               <entry>-</entry>
2162             </row>
2163             <row>
2164               <entry><option>-ddump-tc-trace</option></entry>
2165               <entry>Trace typechecker</entry>
2166               <entry>dynamic</entry>
2167               <entry>-</entry>
2168             </row>
2169             <row>
2170               <entry><option>-ddump-rn-trace</option></entry>
2171               <entry>Trace renamer</entry>
2172               <entry>dynamic</entry>
2173               <entry>-</entry>
2174             </row>
2175             <row>
2176               <entry><option>-ddump-rn-stats</option></entry>
2177               <entry>Renamer stats</entry>
2178               <entry>dynamic</entry>
2179               <entry>-</entry>
2180             </row>
2181             <row>
2182               <entry><option>-ddump-simpl-stats</option></entry>
2183               <entry>Dump simplifier stats</entry>
2184               <entry>dynamic</entry>
2185               <entry>-</entry>
2186             </row>
2187             <row>
2188               <entry><option>-dppr-debug</option></entry>
2189               <entry>Turn on debug printing (more verbose)</entry>
2190               <entry>static</entry>
2191               <entry>-</entry>
2192             </row>
2193             <row>
2194               <entry><option>-dppr-noprags</option></entry>
2195               <entry>Don't output pragma info in dumps</entry>
2196               <entry>static</entry>
2197               <entry>-</entry>
2198             </row>
2199             <row>
2200               <entry><option>-dppr-user-length</option></entry>
2201               <entry>Set the depth for printing expressions in error msgs</entry>
2202               <entry>static</entry>
2203               <entry>-</entry>
2204             </row>
2205             <row>
2206               <entry><option>-dsource-stats</option></entry>
2207               <entry>Dump haskell source stats</entry>
2208               <entry>dynamic</entry>
2209               <entry>-</entry>
2210             </row>
2211             <row>
2212               <entry><option>-dcmm-lint</option></entry>
2213               <entry>C-- pass sanity checking</entry>
2214               <entry>dynamic</entry>
2215               <entry>-</entry>
2216             </row>
2217             <row>
2218               <entry><option>-dstg-lint</option></entry>
2219               <entry>STG pass sanity checking</entry>
2220               <entry>dynamic</entry>
2221               <entry>-</entry>
2222             </row>
2223             <row>
2224               <entry><option>-dstg-stats</option></entry>
2225               <entry>Dump STG stats</entry>
2226               <entry>dynamic</entry>
2227               <entry>-</entry>
2228             </row>
2229             <row>
2230               <entry><option>-dverbose-core2core</option></entry>
2231               <entry>Show output from each core-to-core pass</entry>
2232               <entry>dynamic</entry>
2233               <entry>-</entry>
2234             </row>
2235             <row>
2236               <entry><option>-dverbose-stg2stg</option></entry>
2237               <entry>Show output from each STG-to-STG pass</entry>
2238               <entry>dynamic</entry>
2239               <entry>-</entry>
2240             </row>
2241             <row>
2242               <entry><option>-dshow-passes</option></entry>
2243               <entry>Print out each pass name as it happens</entry>
2244               <entry>dynamic</entry>
2245               <entry>-</entry>
2246             </row>
2247             <row>
2248               <entry><option>-dfaststring-stats</option></entry>
2249               <entry>Show statistics for fast string usage when finished</entry>
2250               <entry>dynamic</entry>
2251               <entry>-</entry>
2252             </row>
2253           </tbody>
2254         </tgroup>
2255       </informaltable>
2256     </sect2>
2257
2258     <sect2>
2259       <title>Misc compiler options</title>
2260
2261       <informaltable>
2262         <tgroup cols="4" align="left" colsep="1" rowsep="1">
2263           <thead>
2264             <row>
2265               <entry>Flag</entry>
2266               <entry>Description</entry>
2267               <entry>Static/Dynamic</entry>
2268               <entry>Reverse</entry>
2269             </row>
2270           </thead>
2271           <tbody>
2272             <row>
2273               <entry><option>-fno-hi-version-check</option></entry>
2274               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
2275               <entry>static</entry>
2276               <entry>-</entry>
2277             </row>
2278             <row>
2279               <entry><option>-dno-black-holing</option></entry>
2280               <entry>Turn off black holing (probably doesn't work)</entry>
2281               <entry>static</entry>
2282               <entry>-</entry>
2283             </row>
2284             <row>
2285               <entry><option>-fno-method-sharing</option></entry>
2286               <entry>Don't share specialisations of overloaded functions</entry>
2287               <entry>static</entry>
2288               <entry>-</entry>
2289             </row>
2290             <row>
2291               <entry><option>-fhistory-size</option></entry>
2292               <entry>Set simplification history size</entry>
2293               <entry>static</entry>
2294               <entry>-</entry>
2295             </row>
2296             <row>
2297               <entry><option>-funregisterised</option></entry>
2298               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
2299               <entry>static</entry>
2300               <entry>-</entry>
2301             </row>
2302             <row>
2303               <entry><option>-fno-asm-mangling</option></entry>
2304               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
2305               <entry>dynamic</entry>
2306               <entry>-</entry>
2307             </row>
2308           </tbody>
2309         </tgroup>
2310       </informaltable>
2311     </sect2>
2312   </sect1>
2313
2314
2315 <!--
2316 Still to document:
2317
2318 Misc:
2319   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
2320
2321   -Bdir
2322 -->
2323
2324 <!-- Emacs stuff:
2325      ;;; Local Variables: ***
2326      ;;; mode: xml ***
2327      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
2328      ;;; End: ***
2329  -->