docs/users_guide/flags.xml

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   2   <sect1 id="flag-reference">
   3     <title>Flag reference</title>
   4
   5     <para>This section is a quick-reference for GHC's command-line
   6     flags.  For each flag, we also list its static/dynamic status (see
   7     <xref linkend="static-dynamic-flags"/>), and the flag's opposite
   8     (if available).</para>
   9
  10     <sect2>
  11       <title>Help and verbosity options</title>
  12
  13       <para><xref linkend="options-help"/></para>
  14
  15       <informaltable>
  16         <tgroup cols="4" align="left" colsep="1" rowsep="1">
  17           <thead>
  18             <row>
  19               <entry>Flag</entry>
  20               <entry>Description</entry>
  21               <entry>Static/Dynamic</entry>
  22               <entry>Reverse</entry>
  23             </row>
  24           </thead>
  25           <tbody>
  26             <row>
  27               <entry><option>-?</option></entry>
  28               <entry>help</entry>
  29               <entry>mode</entry>
  30               <entry>-</entry>
  31             </row>
  32             <row>
  33               <entry><option>-help</option></entry>
  34               <entry>help</entry>
  35               <entry>mode</entry>
  36               <entry>-</entry>
  37             </row>
  38             <row>
  39               <entry><option>-n</option></entry>
  40               <entry>do a dry run</entry>
  41               <entry>dynamic</entry>
  42               <entry>-</entry>
  43             </row>
  44             <row>
  45               <entry><option>-v</option></entry>
  46               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  47               <entry>dynamic</entry>
  48               <entry>-</entry>
  49             </row>
  50             <row>
  51               <entry><option>-v</option><replaceable>n</replaceable></entry>
  52               <entry>set verbosity level</entry>
  53               <entry>dynamic</entry>
  54               <entry>-</entry>
  55             </row>
  56             <row>
  57               <entry><option>-V</option></entry>
  58               <entry>display GHC version</entry>
  59               <entry>mode</entry>
  60               <entry>-</entry>
  61             </row>
  62             <row>
  63               <entry><option>&ndash;&ndash;version</option></entry>
  64               <entry>display GHC version</entry>
  65               <entry>mode</entry>
  66               <entry>-</entry>
  67             </row>
  68             <row>
  69               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  70               <entry>display GHC version (numeric only)</entry>
  71               <entry>mode</entry>
  72               <entry>-</entry>
  73             </row>
  74             <row>
  75               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  76               <entry>display GHC library directory</entry>
  77               <entry>mode</entry>
  78               <entry>-</entry>
  79             </row>
  80             <row>
  81               <entry><option>-ferror-spans</option></entry>
  82               <entry>output full span in error messages</entry>
  83               <entry>static</entry>
  84               <entry>-</entry>
  85             </row>
  86             <row>
  87               <entry><option>-H</option><replaceable>size</replaceable></entry>
  88               <entry>Set the minimum heap size to <replaceable>size</replaceable></entry>
  89               <entry>static</entry>
  90               <entry>-</entry>
  91             </row>
  92             <row>
  93               <entry><option>-Rghc-timing</option></entry>
  94               <entry>Summarise timing stats for GHC (same as <literal>+RTS -tstderr</literal>)</entry>
  95               <entry>static</entry>
  96               <entry>-</entry>
  97             </row>
  98           </tbody>
  99         </tgroup>
 100       </informaltable>
 101
 102     </sect2>
 103     <sect2>
 104       <title>Which phases to run</title>
 105
 106       <para><xref linkend="options-order"/></para>
 107
 108       <informaltable>
 109         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 110           <thead>
 111             <row>
 112               <entry>Flag</entry>
 113               <entry>Description</entry>
 114               <entry>Static/Dynamic</entry>
 115               <entry>Reverse</entry>
 116             </row>
 117           </thead>
 118           <tbody>
 119             <row>
 120               <entry><option>-E</option></entry>
 121               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 122               <entry>mode</entry>
 123               <entry>-</entry>
 124             </row>
 125             <row>
 126               <entry><option>-C</option></entry>
 127               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 128               <entry>mode</entry>
 129               <entry>-</entry>
 130             </row>
 131             <row>
 132               <entry><option>-S</option></entry>
 133               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 134               <entry>mode</entry>
 135               <entry>-</entry>
 136             </row>
 137             <row>
 138               <entry><option>-c</option></entry>
 139               <entry>Do not link</entry>
 140               <entry>dynamic</entry>
 141               <entry>-</entry>
 142             </row>
 143             <row>
 144               <entry><option>-x</option> <replaceable>suffix</replaceable></entry>
 145               <entry>Override default behaviour for source files</entry>
 146               <entry>static</entry>
 147               <entry>-</entry>
 148             </row>
 149           </tbody>
 150         </tgroup>
 151       </informaltable>
 152     </sect2>
 153
 154      <sect2>
 155       <title>Alternative modes of operation</title>
 156
 157       <para><xref linkend="modes"/></para>
 158
 159       <informaltable>
 160         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 161           <thead>
 162             <row>
 163               <entry>Flag</entry>
 164               <entry>Description</entry>
 165               <entry>Static/Dynamic</entry>
 166               <entry>Reverse</entry>
 167             </row>
 168           </thead>
 169           <tbody>
 170             <row>
 171               <entry><option>--interactive</option></entry>
 172               <entry>Interactive mode - normally used by just running <command>ghci</command></entry>
 173               <entry>mode</entry>
 174               <entry>-</entry>
 175             </row>
 176             <row>
 177               <entry><option>--make</option></entry>
 178               <entry>Build a multi-module Haskell program, automatically figuring out dependencies. Likely to be much easier, and faster, than using <command>make</command>.</entry>
 179               <entry>mode</entry>
 180               <entry>-</entry>
 181             </row>
 182             <row>
 183               <entry><option>-e <replaceable>expr</replaceable></option></entry>
 184               <entry>Evaluate <replaceable>expr</replaceable></entry>
 185               <entry>mode</entry>
 186               <entry>-</entry>
 187             </row>
 188             <row>
 189               <entry><option>-M</option></entry>
 190               <entry>Generate dependency information suitable for use in a <filename>Makefile</filename>.</entry>
 191               <entry>mode</entry>
 192               <entry>-</entry>
 193             </row>
 194           </tbody>
 195         </tgroup>
 196       </informaltable>
 197     </sect2>
 198
 199     <sect2>
 200       <title>Redirecting output</title>
 201
 202       <para><xref linkend="options-output"/></para>
 203
 204       <informaltable>
 205         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 206           <thead>
 207             <row>
 208               <entry>Flag</entry>
 209               <entry>Description</entry>
 210               <entry>Static/Dynamic</entry>
 211               <entry>Reverse</entry>
 212             </row>
 213           </thead>
 214           <tbody>
 215             <row>
 216               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 217               <entry>set the suffix to use for intermediate C files</entry>
 218               <entry>dynamic</entry>
 219               <entry>-</entry>
 220             </row>
 221             <row>
 222               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 223               <entry>set directory for interface files</entry>
 224               <entry>dynamic</entry>
 225               <entry>-</entry>
 226             </row>
 227             <row>
 228               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 229               <entry>set the suffix to use for interface files</entry>
 230               <entry>dynamic</entry>
 231               <entry>-</entry>
 232             </row>
 233             <row>
 234               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 235               <entry>set output filename</entry>
 236               <entry>dynamic</entry>
 237               <entry>-</entry>
 238             </row>
 239             <row>
 240               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 241               <entry>set output directory</entry>
 242               <entry>dynamic</entry>
 243               <entry>-</entry>
 244             </row>
 245             <row>
 246               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 247               <entry>set the filename in which to put the interface</entry>
 248               <entry>dynamic</entry>
 249               <entry></entry>
 250             </row>
 251             <row>
 252               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 253               <entry>set the output file suffix</entry>
 254               <entry>dynamic</entry>
 255               <entry>-</entry>
 256             </row>
 257             <row>
 258               <entry><option>-stubdir</option> <replaceable>dir</replaceable></entry>
 259               <entry>redirect FFi stub files</entry>
 260               <entry>dynamic</entry>
 261               <entry>-</entry>
 262             </row>
 263           </tbody>
 264         </tgroup>
 265       </informaltable>
 266     </sect2>
 267
 268     <sect2>
 269       <title>Keeping intermediate files</title>
 270
 271       <para><xref linkend="keeping-intermediates"/></para>
 272
 273       <informaltable>
 274         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 275           <thead>
 276             <row>
 277               <entry>Flag</entry>
 278               <entry>Description</entry>
 279               <entry>Static/Dynamic</entry>
 280               <entry>Reverse</entry>
 281             </row>
 282           </thead>
 283           <tbody>
 284             <row>
 285               <entry><option>-keep-hc-file</option></entry>
 286               <entry>retain intermediate <literal>.hc</literal> files</entry>
 287               <entry>dynamic</entry>
 288               <entry>-</entry>
 289             </row>
 290             <row>
 291               <entry><option>-keep-s-file</option></entry>
 292               <entry>retain intermediate <literal>.s</literal> files</entry>
 293               <entry>dynamic</entry>
 294               <entry>-</entry>
 295             </row>
 296             <row>
 297               <entry><option>-keep-raw-s-file</option></entry>
 298               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 299               <entry>dynamic</entry>
 300               <entry>-</entry>
 301             </row>
 302             <row>
 303               <entry><option>-keep-tmp-files</option></entry>
 304               <entry>retain all intermediate temporary files</entry>
 305               <entry>dynamic</entry>
 306               <entry>-</entry>
 307             </row>
 308           </tbody>
 309         </tgroup>
 310       </informaltable>
 311     </sect2>
 312
 313     <sect2>
 314       <title>Temporary files</title>
 315
 316       <para><xref linkend="temp-files"/></para>
 317
 318       <informaltable>
 319         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 320           <thead>
 321             <row>
 322               <entry>Flag</entry>
 323               <entry>Description</entry>
 324               <entry>Static/Dynamic</entry>
 325               <entry>Reverse</entry>
 326             </row>
 327           </thead>
 328           <tbody>
 329             <row>
 330               <entry><option>-tmpdir</option></entry>
 331               <entry>set the directory for temporary files</entry>
 332               <entry>dynamic</entry>
 333               <entry>-</entry>
 334             </row>
 335           </tbody>
 336         </tgroup>
 337       </informaltable>
 338     </sect2>
 339
 340     <sect2>
 341       <title>Finding imports</title>
 342
 343       <para><xref linkend="search-path"/></para>
 344
 345       <informaltable>
 346         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 347           <thead>
 348             <row>
 349               <entry>Flag</entry>
 350
 351               <entry>Description</entry>
 352               <entry>Static/Dynamic</entry>
 353               <entry>Reverse</entry>
 354             </row>
 355           </thead>
 356           <tbody>
 357             <row>
 358               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 359               <entry>add <replaceable>dir</replaceable>,
 360                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 361               <entry>dynamic</entry>
 362               <entry>-</entry>
 363             </row>
 364             <row>
 365               <entry><option>-i</option></entry>
 366               <entry>Empty the import directory list</entry>
 367               <entry>dynamic</entry>
 368               <entry>-</entry>
 369             </row>
 370           </tbody>
 371         </tgroup>
 372       </informaltable>
 373     </sect2>
 374
 375     <sect2>
 376       <title>Interface file options</title>
 377
 378       <para><xref linkend="hi-options"/></para>
 379
 380       <informaltable>
 381         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 382           <thead>
 383             <row>
 384               <entry>Flag</entry>
 385
 386               <entry>Description</entry>
 387               <entry>Static/Dynamic</entry>
 388               <entry>Reverse</entry>
 389             </row>
 390           </thead>
 391           <tbody>
 392             <row>
 393               <entry><option>-ddump-hi</option></entry>
 394               <entry>Dump the new interface to stdout</entry>
 395               <entry>dynamic</entry>
 396               <entry>-</entry>
 397             </row>
 398             <row>
 399               <entry><option>-ddump-hi-diffs</option></entry>
 400               <entry>Show the differences vs. the old interface</entry>
 401               <entry>dynamic</entry>
 402               <entry>-</entry>
 403             </row>
 404             <row>
 405               <entry><option>-ddump-minimal-imports</option></entry>
 406               <entry>Dump a minimal set of imports</entry>
 407               <entry>dynamic</entry>
 408               <entry>-</entry>
 409             </row>
 410             <row>
 411               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 412               <entry>Read the interface in
 413               <replaceable>file</replaceable> and dump it as text to
 414               <literal>stdout</literal>.</entry>
 415               <entry>mode</entry>
 416               <entry>-</entry>
 417             </row>
 418           </tbody>
 419         </tgroup>
 420       </informaltable>
 421     </sect2>
 422
 423     <sect2>
 424       <title>Recompilation checking</title>
 425
 426       <para><xref linkend="recomp"/></para>
 427
 428       <informaltable>
 429         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 430           <thead>
 431             <row>
 432               <entry>Flag</entry>
 433
 434               <entry>Description</entry>
 435               <entry>Static/Dynamic</entry>
 436               <entry>Reverse</entry>
 437             </row>
 438           </thead>
 439           <tbody>
 440             <row>
 441               <entry><option>-fforce-recomp</option></entry>
 442               <entry>Turn off recompilation checking; implied by any
 443               <option>-ddump-X</option> option</entry>
 444               <entry>dynamic</entry>
 445               <entry><option>-fno-force-recomp</option></entry>
 446             </row>
 447           </tbody>
 448         </tgroup>
 449       </informaltable>
 450     </sect2>
 451
 452     <sect2>
 453       <title>Interactive-mode options</title>
 454
 455       <para><xref linkend="ghci-dot-files"/></para>
 456
 457       <informaltable>
 458         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 459           <thead>
 460             <row>
 461               <entry>Flag</entry>
 462               <entry>Description</entry>
 463               <entry>Static/Dynamic</entry>
 464               <entry>Reverse</entry>
 465             </row>
 466           </thead>
 467           <tbody>
 468             <row>
 469               <entry><option>-ignore-dot-ghci</option></entry>
 470               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 471               <entry>static</entry>
 472               <entry>-</entry>
 473             </row>
 474             <row>
 475               <entry><option>-read-dot-ghci</option></entry>
 476               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 477               <entry>static</entry>
 478               <entry>-</entry>
 479             </row>
 480           </tbody>
 481         </tgroup>
 482       </informaltable>
 483     </sect2>
 484
 485     <sect2>
 486       <title>Packages</title>
 487
 488       <para><xref linkend="packages"/></para>
 489
 490       <informaltable>
 491         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 492           <thead>
 493             <row>
 494               <entry>Flag</entry>
 495               <entry>Description</entry>
 496               <entry>Static/Dynamic</entry>
 497               <entry>Reverse</entry>
 498             </row>
 499           </thead>
 500           <tbody>
 501             <row>
 502               <entry><option>-package-name</option> <replaceable>P</replaceable></entry>
 503               <entry>Compile to be part of package <replaceable>P</replaceable></entry>
 504               <entry>dynamic</entry>
 505               <entry>-</entry>
 506             </row>
 507             <row>
 508               <entry><option>-package</option> <replaceable>P</replaceable></entry>
 509               <entry>Expose package <replaceable>P</replaceable></entry>
 510               <entry>dynamic</entry>
 511               <entry>-</entry>
 512             </row>
 513             <row>
 514               <entry><option>-hide-all-packages</option></entry>
 515               <entry>Hide all packages by default</entry>
 516               <entry>static</entry>
 517               <entry>-</entry>
 518             </row>
 519             <row>
 520               <entry><option>-hide-package</option> <replaceable>name</replaceable></entry>
 521               <entry>Hide package <replaceable>P</replaceable></entry>
 522               <entry>dynamic</entry>
 523               <entry>-</entry>
 524             </row>
 525             <row>
 526               <entry><option>-ignore-package</option> <replaceable>name</replaceable></entry>
 527               <entry>Ignore package <replaceable>P</replaceable></entry>
 528               <entry>dynamic</entry>
 529               <entry>-</entry>
 530             </row>
 531             <row>
 532               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 533               <entry>Load more packages from <replaceable>file</replaceable></entry>
 534               <entry>dynamic</entry>
 535               <entry>-</entry>
 536             </row>
 537             <row>
 538               <entry><option>-no-user-package-conf</option></entry>
 539               <entry>Don't load the user's package config file.</entry>
 540               <entry>dynamic</entry>
 541               <entry>-</entry>
 542             </row>
 543           </tbody>
 544         </tgroup>
 545       </informaltable>
 546     </sect2>
 547
 548     <sect2>
 549       <title>Language options</title>
 550
 551       <para><xref linkend="options-language"/></para>
 552
 553       <informaltable>
 554         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 555           <thead>
 556             <row>
 557               <entry>Flag</entry>
 558               <entry>Description</entry>
 559               <entry>Static/Dynamic</entry>
 560               <entry>Reverse</entry>
 561             </row>
 562           </thead>
 563           <tbody>
 564             <row>
 565               <entry><option>-fallow-overlapping-instances</option></entry>
 566               <entry>Enable <link linkend="instance-overlap">overlapping instances</link></entry>
 567               <entry>dynamic</entry>
 568               <entry><option>-fno-allow-overlapping-instances</option></entry>
 569             </row>
 570             <row>
 571               <entry><option>-fallow-incoherent-instances</option></entry>
 572               <entry>Enable <link linkend="instance-overlap">incoherent instances</link>.
 573               Implies <option>-fallow-overlapping-instances</option> </entry>
 574               <entry>dynamic</entry>
 575               <entry><option>-fno-allow-incoherent-instances</option></entry>
 576             </row>
 577             <row>
 578               <entry><option>-fallow-undecidable-instances</option></entry>
 579               <entry>Enable <link linkend="undecidable-instances">undecidable instances</link></entry>
 580               <entry>dynamic</entry>
 581               <entry><option>-fno-allow-undecidable-instances</option></entry>
 582             </row>
 583             <row>
 584               <entry><option>-fcontext-stack=N</option><replaceable>n</replaceable></entry>
 585               <entry>set the <link linkend="undecidable-instances">limit for context reduction</link></entry>
 586               <entry>dynamic</entry>
 587               <entry><option>20</option></entry>
 588             </row>
 589             <row>
 590               <entry><option>-farrows</option></entry>
 591               <entry>Enable <link linkend="arrow-notation">arrow
 592               notation</link> extension</entry>
 593               <entry>dynamic</entry>
 594               <entry><option>-fno-arrows</option></entry>
 595             </row>
 596             <row>
 597               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 598               <entry>Enable <link linkend="ffi">foreign function interface</link> (implied by
 599               <option>-fglasgow-exts</option>)</entry>
 600               <entry>dynamic</entry>
 601               <entry><option>-fno-ffi</option></entry>
 602             </row>
 603             <row>
 604               <entry><option>-fgenerics</option></entry>
 605               <entry>Enable <link linkend="generic-classes">generic classes</link></entry>
 606               <entry>dynamic</entry>
 607               <entry><option>-fno-fgenerics</option></entry>
 608             </row>
 609             <row>
 610               <entry><option>-fglasgow-exts</option></entry>
 611               <entry>Enable most language extensions</entry>
 612               <entry>dynamic</entry>
 613               <entry><option>-fno-glasgow-exts</option></entry>
 614             </row>
 615             <row>
 616               <entry><option>-fimplicit-params</option></entry>
 617               <entry>Enable <link linkend="implicit-parameters">Implicit Parameters</link>.
 618               Implied by <option>-fglasgow-exts</option>.</entry>
 619               <entry>dynamic</entry>
 620               <entry><option>-fno-implicit-params</option></entry>
 621             </row>
 622             <row>
 623               <entry><option>-firrefutable-tuples</option></entry>
 624               <entry>Make tuple pattern matching irrefutable</entry>
 625               <entry>dynamic</entry>
 626               <entry><option>-fno-irrefutable-tuples</option></entry>
 627             </row>
 628             <row>
 629               <entry><option>-fno-implicit-prelude</option></entry>
 630               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 631               <entry>dynamic</entry>
 632               <entry><option>-fimplicit-prelude</option></entry>
 633             </row>
 634             <row>
 635               <entry><option>-fno-monomorphism-restriction</option></entry>
 636               <entry>Disable the <link linkend="monomorphism">monomorphism restriction</link></entry>
 637               <entry>dynamic</entry>
 638               <entry><option>-fmonomorphism-restriction</option></entry>
 639             </row>
 640             <row>
 641               <entry><option>-fno-mono-pat-binds</option></entry>
 642               <entry>Make <link linkend="monomorphism">pattern bindings polymorphic</link></entry>
 643               <entry>dynamic</entry>
 644               <entry><option>-fmono-pat-binds</option></entry>
 645             </row>
 646             <row>
 647               <entry><option>-fextended-default-rules</option></entry>
 648               <entry>Use GHCi's <link linkend="extended-default-rules">extended default rules</link> in a normal module</entry>
 649               <entry>dynamic</entry>
 650               <entry><option>-fno-extended-default-rules</option></entry>
 651             </row>
 652             <row>
 653               <entry><option>-fscoped-type-variables</option></entry>
 654               <entry>Enable <link linkend="scoped-type-variables">lexically-scoped type variables</link>.
 655               Implied by <option>-fglasgow-exts</option>.</entry>
 656               <entry>dynamic</entry>
 657               <entry><option>-fno-scoped-type-variables</option></entry>
 658             </row>
 659             <row>
 660               <entry><option>-fth</option></entry>
 661               <entry>Enable <link linkend="template-haskell">Template Haskell</link>.
 662                 No longer implied by <option>-fglasgow-exts</option>.</entry>
 663               <entry>dynamic</entry>
 664               <entry><option>-fno-th</option></entry>
 665             </row>
 666             <row>
 667               <entry><option>-fbang-patterns</option></entry>
 668               <entry>Enable <link linkend="sec-bang-patterns">bang patterns</link>.</entry>
 669               <entry>dynamic</entry>
 670               <entry><option>-fno-bang-patterns</option></entry>
 671             </row>
 672           </tbody>
 673         </tgroup>
 674       </informaltable>
 675     </sect2>
 676
 677     <sect2>
 678       <title>Warnings</title>
 679
 680       <para><xref linkend="options-sanity"/></para>
 681
 682     <informaltable>
 683       <tgroup cols="4" align="left" colsep="1" rowsep="1">
 684         <thead>
 685           <row>
 686             <entry>Flag</entry>
 687             <entry>Description</entry>
 688             <entry>Static/Dynamic</entry>
 689             <entry>Reverse</entry>
 690           </row>
 691         </thead>
 692         <tbody>
 693           <row>
 694             <entry><option>-W</option></entry>
 695             <entry>enable normal warnings</entry>
 696             <entry>dynamic</entry>
 697             <entry><option>-w</option></entry>
 698           </row>
 699           <row>
 700             <entry><option>-w</option></entry>
 701             <entry>disable all warnings</entry>
 702             <entry>dynamic</entry>
 703             <entry>-</entry>
 704           </row>
 705           <row>
 706             <entry><option>-Wall</option></entry>
 707             <entry>enable all warnings</entry>
 708             <entry>dynamic</entry>
 709             <entry><option>-w</option></entry>
 710           </row>
 711           <row>
 712             <entry><option>-Werror</option></entry>
 713             <entry>make warnings fatal</entry>
 714             <entry>dynamic</entry>
 715             <entry></entry>
 716           </row>
 717
 718           <row>
 719             <entry><option>-fwarn-deprecations</option></entry>
 720             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 721             <entry>dynamic</entry>
 722             <entry><option>-fno-warn-deprecations</option></entry>
 723           </row>
 724
 725           <row>
 726             <entry><option>-fwarn-duplicate-exports</option></entry>
 727             <entry>warn when an entity is exported multiple times</entry>
 728             <entry>dynamic</entry>
 729             <entry><option>-fno-warn-duplicate-exports</option></entry>
 730           </row>
 731
 732           <row>
 733             <entry><option>-fwarn-hi-shadowing</option></entry>
 734             <entry>warn when a <literal>.hi</literal> file in the
 735             current directory shadows a library</entry>
 736             <entry>dynamic</entry>
 737             <entry><option>-fno-warn-hi-shadowing</option></entry>
 738           </row>
 739
 740           <row>
 741             <entry><option>-fwarn-incomplete-patterns</option></entry>
 742             <entry>warn when a pattern match could fail</entry>
 743             <entry>dynamic</entry>
 744             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 745           </row>
 746
 747           <row>
 748             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 749             <entry>warn when a record update could fail</entry>
 750             <entry>dynamic</entry>
 751             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 752           </row>
 753
 754           <row>
 755             <entry><option>-fwarn-missing-fields</option></entry>
 756             <entry>warn when fields of a record are uninitialised</entry>
 757             <entry>dynamic</entry>
 758             <entry><option>-fno-warn-missing-fields</option></entry>
 759           </row>
 760
 761           <row>
 762             <entry><option>-fwarn-missing-methods</option></entry>
 763             <entry>warn when class methods are undefined</entry>
 764             <entry>dynamic</entry>
 765             <entry><option>-fno-warn-missing-methods</option></entry>
 766           </row>
 767
 768           <row>
 769             <entry><option>-fwarn-missing-signatures</option></entry>
 770             <entry>warn about top-level functions without signatures</entry>
 771             <entry>dynamic</entry>
 772             <entry><option>-fno-warn-missing-signatures</option></entry>
 773           </row>
 774
 775           <row>
 776             <entry><option>-fwarn-name-shadowing</option></entry>
 777             <entry>warn when names are shadowed</entry>
 778             <entry>dynamic</entry>
 779             <entry><option>-fno-warn-name-shadowing</option></entry>
 780           </row>
 781
 782           <row>
 783             <entry><option>-fwarn-orphans</option></entry>
 784             <entry>warn when the module contains "orphan" instance declarations
 785             or rewrite rules</entry>
 786             <entry>dynamic</entry>
 787             <entry><option>-fno-warn-orphans</option></entry>
 788           </row>
 789
 790           <row>
 791             <entry><option>-fwarn-overlapping-patterns</option></entry>
 792             <entry>warn about overlapping patterns</entry>
 793             <entry>dynamic</entry>
 794             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 795           </row>
 796
 797           <row>
 798             <entry><option>-fwarn-simple-patterns</option></entry>
 799             <entry>warn about lambda-patterns that can fail</entry>
 800             <entry>dynamic</entry>
 801             <entry><option>-fno-warn-simple-patterns</option></entry>
 802           </row>
 803
 804           <row>
 805             <entry><option>-fwarn-type-defaults</option></entry>
 806             <entry>warn when defaulting happens</entry>
 807             <entry>dynamic</entry>
 808             <entry><option>-fno-warn-type-defaults</option></entry>
 809           </row>
 810
 811           <row>
 812             <entry><option>-fwarn-unused-binds</option></entry>
 813             <entry>warn about bindings that are unused</entry>
 814             <entry>dynamic</entry>
 815             <entry><option>-fno-warn-unused-binds</option></entry>
 816           </row>
 817
 818           <row>
 819             <entry><option>-fwarn-unused-imports</option></entry>
 820             <entry>warn about unnecessary imports</entry>
 821             <entry>dynamic</entry>
 822             <entry><option>-fno-warn-unused-imports</option></entry>
 823           </row>
 824
 825           <row>
 826             <entry><option>-fwarn-unused-matches</option></entry>
 827             <entry>warn about variables in patterns that aren't used</entry>
 828             <entry>dynamic</entry>
 829             <entry><option>-fno-warn-unused-matches</option></entry>
 830           </row>
 831
 832           </tbody>
 833         </tgroup>
 834       </informaltable>
 835
 836     </sect2>
 837     <sect2>
 838       <title>Optimisation levels</title>
 839
 840       <para><xref linkend="options-optimise"/></para>
 841
 842       <informaltable>
 843         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 844           <thead>
 845             <row>
 846               <entry>Flag</entry>
 847               <entry>Description</entry>
 848               <entry>Static/Dynamic</entry>
 849               <entry>Reverse</entry>
 850             </row>
 851           </thead>
 852           <tbody>
 853             <row>
 854               <entry><option>-O</option></entry>
 855               <entry>Enable default optimisation (level 1)</entry>
 856               <entry>dynamic</entry>
 857               <entry><option>-O0</option></entry>
 858             </row>
 859             <row>
 860               <entry><option>-O</option><replaceable>n</replaceable></entry>
 861               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 862               <entry>dynamic</entry>
 863               <entry><option>-O0</option></entry>
 864             </row>
 865           </tbody>
 866         </tgroup>
 867       </informaltable>
 868
 869     </sect2>
 870     <sect2>
 871       <title>Individual optimisations</title>
 872
 873       <para><xref linkend="options-f"/></para>
 874
 875       <informaltable>
 876         <tgroup cols="4" align="left" colsep="1" rowsep="1">
 877           <thead>
 878             <row>
 879               <entry>Flag</entry>
 880               <entry>Description</entry>
 881               <entry>Static/Dynamic</entry>
 882               <entry>Reverse</entry>
 883             </row>
 884           </thead>
 885           <tbody>
 886             <row>
 887               <entry><option>-fcase-merge</option></entry>
 888               <entry>Enable case-merging</entry>
 889               <entry>dynamic</entry>
 890               <entry><option>-fno-case-merge</option></entry>
 891             </row>
 892
 893             <row>
 894               <entry><option>-fdicts-strict</option></entry>
 895               <entry>Make dictionaries strict</entry>
 896               <entry>static</entry>
 897               <entry><option>-fno-dicts-strict</option></entry>
 898             </row>
 899
 900             <row>
 901               <entry><option>-fdo-eta-reduction</option></entry>
 902               <entry>Enable eta-reduction</entry>
 903               <entry>dynamic</entry>
 904               <entry><option>-fno-do-eta-reduction</option></entry>
 905             </row>
 906
 907             <row>
 908               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 909               <entry>Enable lambda eta-reduction</entry>
 910               <entry>dynamic</entry>
 911               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 912             </row>
 913
 914             <row>
 915               <entry><option>-fexcess-precision</option></entry>
 916               <entry>Enable excess intermediate precision</entry>
 917               <entry>dynamic</entry>
 918               <entry><option>-fno-excess-precision</option></entry>
 919             </row>
 920
 921             <row>
 922               <entry><option>-frules-off</option></entry>
 923               <entry>Switch off all rewrite rules (including rules
 924               generated by automatic specialisation of overloaded functions)</entry>
 925               <entry>static</entry>
 926               <entry><option>-frules-off</option></entry>
 927             </row>
 928
 929             <row>
 930               <entry><option>-fignore-asserts</option></entry>
 931               <entry>Ignore assertions in the source</entry>
 932               <entry>dynamic</entry>
 933               <entry><option>-fno-ignore-asserts</option></entry>
 934             </row>
 935
 936             <row>
 937               <entry><option>-fignore-interface-pragmas</option></entry>
 938               <entry>Ignore pragmas in interface files</entry>
 939               <entry>dynamic</entry>
 940               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 941             </row>
 942
 943             <row>
 944               <entry><option>-fliberate-case-threshold</option></entry>
 945               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 946               <entry>static</entry>
 947               <entry><option>-fno-liberate-case-threshold</option></entry>
 948             </row>
 949
 950             <row>
 951               <entry><option>-fomit-interface-pragmas</option></entry>
 952               <entry>Don't generate interface pragmas</entry>
 953               <entry>dynamic</entry>
 954               <entry><option>-fno-omit-interface-pragmas</option></entry>
 955             </row>
 956
 957             <row>
 958               <entry><option>-fmax-worker-args</option></entry>
 959               <entry>If a worker has that many arguments, none will be
 960                 unpacked anymore (default: 10)</entry>
 961               <entry>static</entry>
 962               <entry>-</entry>
 963             </row>
 964
 965             <row>
 966               <entry><option>-fmax-simplifier-iterations</option></entry>
 967               <entry>Set the max iterations for the simplifier</entry>
 968               <entry>dynamic</entry>
 969               <entry>-</entry>
 970             </row>
 971
 972             <row>
 973               <entry><option>-fno-state-hack</option></entry>
 974               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
 975               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
 976               <entry>static</entry>
 977               <entry>-</entry>
 978             </row>
 979
 980             <row>
 981               <entry><option>-fno-cse</option></entry>
 982               <entry>Turn off common sub-expression</entry>
 983               <entry>dynamic</entry>
 984               <entry>-</entry>
 985             </row>
 986
 987             <row>
 988               <entry><option>-fno-full-laziness</option></entry>
 989               <entry>Turn off full laziness (floating bindings outwards).</entry>
 990               <entry>dynamic</entry>
 991               <entry>-ffull-laziness</entry>
 992             </row>
 993
 994             <row>
 995               <entry><option>-fno-pre-inlining</option></entry>
 996               <entry>Turn off pre-inlining</entry>
 997               <entry>static</entry>
 998               <entry>-</entry>
 999             </row>
1000
1001             <row>
1002               <entry><option>-fno-strictness</option></entry>
1003               <entry>Turn off strictness analysis</entry>
1004               <entry>dynamic</entry>
1005               <entry>-</entry>
1006             </row>
1007
1008             <row>
1009               <entry><option>-funbox-strict-fields</option></entry>
1010               <entry>Flatten strict constructor fields</entry>
1011               <entry>dynamic</entry>
1012               <entry><option>-fno-unbox-strict-fields</option></entry>
1013             </row>
1014
1015             <row>
1016               <entry><option>-funfolding-creation-threshold</option></entry>
1017               <entry>Tweak unfolding settings</entry>
1018               <entry>static</entry>
1019               <entry><option>-fno-unfolding-creation-threshold</option></entry>
1020             </row>
1021
1022             <row>
1023               <entry><option>-funfolding-fun-discount</option></entry>
1024               <entry>Tweak unfolding settings</entry>
1025               <entry>static</entry>
1026               <entry><option>-fno-unfolding-fun-discount</option></entry>
1027             </row>
1028
1029             <row>
1030               <entry><option>-funfolding-keeness-factor</option></entry>
1031               <entry>Tweak unfolding settings</entry>
1032               <entry>static</entry>
1033               <entry><option>-fno-unfolding-keeness-factor</option></entry>
1034             </row>
1035
1036             <row>
1037               <entry><option>-funfolding-update-in-place</option></entry>
1038               <entry>Tweak unfolding settings</entry>
1039               <entry>static</entry>
1040               <entry><option>-fno-unfolding-update-in-place</option></entry>
1041             </row>
1042
1043             <row>
1044               <entry><option>-funfolding-use-threshold</option></entry>
1045               <entry>Tweak unfolding settings</entry>
1046               <entry>static</entry>
1047               <entry><option>-fno-unfolding-use-threshold</option></entry>
1048             </row>
1049           </tbody>
1050         </tgroup>
1051       </informaltable>
1052     </sect2>
1053
1054     <sect2>
1055       <title>Profiling options</title>
1056
1057       <para><xref linkend="profiling"/></para>
1058
1059       <informaltable>
1060         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1061           <thead>
1062             <row>
1063               <entry>Flag</entry>
1064               <entry>Description</entry>
1065               <entry>Static/Dynamic</entry>
1066               <entry>Reverse</entry>
1067             </row>
1068           </thead>
1069           <tbody>
1070             <row>
1071               <entry><option>-auto</option></entry>
1072               <entry>Auto-add <literal>_scc_</literal>s to all
1073               exported functions</entry>
1074               <entry>static</entry>
1075               <entry><option>-no-auto</option></entry>
1076             </row>
1077             <row>
1078               <entry><option>-auto-all</option></entry>
1079               <entry>Auto-add <literal>_scc_</literal>s to all
1080               top-level functions</entry>
1081               <entry>static</entry>
1082               <entry><option>-no-auto-all</option></entry>
1083             </row>
1084             <row>
1085               <entry><option>-caf-all</option></entry>
1086               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
1087               <entry>static</entry>
1088               <entry><option>-no-caf-all</option></entry>
1089             </row>
1090             <row>
1091               <entry><option>-prof</option></entry>
1092               <entry>Turn on profiling</entry>
1093               <entry>static</entry>
1094               <entry>-</entry>
1095             </row>
1096             <row>
1097               <entry><option>-ticky</option></entry>
1098               <entry>Turn on ticky-ticky profiling</entry>
1099               <entry>static</entry>
1100               <entry>-</entry>
1101             </row>
1102           </tbody>
1103         </tgroup>
1104       </informaltable>
1105     </sect2>
1106
1107     <sect2>
1108       <title>Haskell pre-processor options</title>
1109
1110       <para><xref linkend="pre-processor"/></para>
1111
1112       <informaltable>
1113         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1114           <thead>
1115             <row>
1116               <entry>Flag</entry>
1117               <entry>Description</entry>
1118               <entry>Static/Dynamic</entry>
1119               <entry>Reverse</entry>
1120             </row>
1121           </thead>
1122           <tbody>
1123             <row>
1124               <entry><option>-F</option></entry>
1125               <entry>
1126                   Enable the use of a pre-processor
1127                   (set with <option>-pgmF</option>)
1128               </entry>
1129               <entry>dynamic</entry>
1130               <entry>-</entry>
1131             </row>
1132           </tbody>
1133         </tgroup>
1134       </informaltable>
1135     </sect2>
1136
1137     <sect2>
1138       <title>C pre-processor options</title>
1139
1140       <para><xref linkend="c-pre-processor"/></para>
1141
1142       <informaltable>
1143         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1144           <thead>
1145             <row>
1146               <entry>Flag</entry>
1147               <entry>Description</entry>
1148               <entry>Static/Dynamic</entry>
1149               <entry>Reverse</entry>
1150             </row>
1151           </thead>
1152           <tbody>
1153             <row>
1154               <entry><option>-cpp</option></entry>
1155               <entry>Run the C pre-processor on Haskell source files</entry>
1156               <entry>dynamic</entry>
1157               <entry>-</entry>
1158             </row>
1159             <row>
1160               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1161               <entry>Define a symbol in the C pre-processor</entry>
1162               <entry>dynamic</entry>
1163               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1164             </row>
1165             <row>
1166               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1167               <entry>Undefine a symbol in the C pre-processor</entry>
1168               <entry>dynamic</entry>
1169               <entry>-</entry>
1170             </row>
1171             <row>
1172               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1173               <entry>Add <replaceable>dir</replaceable> to the
1174               directory search list for <literal>#include</literal> files</entry>
1175               <entry>dynamic</entry>
1176               <entry>-</entry>
1177             </row>
1178           </tbody>
1179         </tgroup>
1180       </informaltable>
1181     </sect2>
1182
1183     <sect2>
1184       <title>C compiler options</title>
1185
1186       <para><xref linkend="options-C-compiler"/></para>
1187       <informaltable>
1188         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1189           <thead>
1190             <row>
1191               <entry>Flag</entry>
1192               <entry>Description</entry>
1193               <entry>Static/Dynamic</entry>
1194               <entry>Reverse</entry>
1195             </row>
1196           </thead>
1197           <tbody>
1198             <row>
1199               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1200               <entry>Include <replaceable>file</replaceable> when
1201               compiling the <filename>.hc</filename> file</entry>
1202               <entry>dynamic</entry>
1203               <entry>-</entry>
1204             </row>
1205           </tbody>
1206         </tgroup>
1207       </informaltable>
1208     </sect2>
1209
1210     <sect2>
1211       <title>Code generation options</title>
1212
1213       <para><xref linkend="options-codegen"/></para>
1214
1215       <informaltable>
1216         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1217           <thead>
1218             <row>
1219               <entry>Flag</entry>
1220               <entry>Description</entry>
1221               <entry>Static/Dynamic</entry>
1222               <entry>Reverse</entry>
1223             </row>
1224           </thead>
1225           <tbody>
1226             <row>
1227               <entry><option>-fasm</option></entry>
1228               <entry>Use the native code generator</entry>
1229               <entry>dynamic</entry>
1230               <entry>-fvia-C</entry>
1231             </row>
1232             <row>
1233               <entry><option>-fvia-C</option></entry>
1234               <entry>Compile via C</entry>
1235               <entry>dynamic</entry>
1236               <entry>-fasm</entry>
1237             </row>
1238             <row>
1239               <entry><option>-fno-code</option></entry>
1240               <entry>Omit code generation</entry>
1241               <entry>mode</entry>
1242               <entry>-</entry>
1243             </row>
1244           </tbody>
1245         </tgroup>
1246       </informaltable>
1247     </sect2>
1248
1249     <sect2>
1250       <title>Linking options</title>
1251
1252       <para><xref linkend="options-linker"/></para>
1253
1254       <informaltable>
1255         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1256           <thead>
1257             <row>
1258               <entry>Flag</entry>
1259               <entry>Description</entry>
1260               <entry>Static/Dynamic</entry>
1261               <entry>Reverse</entry>
1262             </row>
1263           </thead>
1264           <tbody>
1265             <row>
1266               <entry><option>-fPIC</option></entry>
1267               <entry>Generate position-independent code (where available)</entry>
1268               <entry>static</entry>
1269               <entry>-</entry>
1270             </row>
1271             <row>
1272               <entry><option>-dynamic</option></entry>
1273               <entry>Use dynamic Haskell libraries (if available)</entry>
1274               <entry>static</entry>
1275               <entry>-</entry>
1276             </row>
1277             <row>
1278               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1279               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1280                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1281               <entry>dynamic</entry>
1282               <entry>-</entry>
1283             </row>
1284             <row>
1285               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1286               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1287                 directories searched for frameworks.
1288                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1289               <entry>dynamic</entry>
1290               <entry>-</entry>
1291             </row>
1292             <row>
1293               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1294               <entry>Link in library <replaceable>lib</replaceable></entry>
1295               <entry>dynamic</entry>
1296               <entry>-</entry>
1297             </row>
1298             <row>
1299               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1300               <entry>Add <replaceable>dir</replaceable> to the list of
1301               directories searched for libraries</entry>
1302               <entry>dynamic</entry>
1303               <entry>-</entry>
1304             </row>
1305             <row>
1306               <entry><option>-main-is</option></entry>
1307               <entry>Set main function</entry>
1308               <entry>dynamic</entry>
1309               <entry>-</entry>
1310             </row>
1311             <row>
1312               <entry><option>--mk-dll</option></entry>
1313               <entry>DLL-creation mode (Windows only)</entry>
1314               <entry>dynamic</entry>
1315               <entry>-</entry>
1316             </row>
1317             <row>
1318               <entry><option>-no-hs-main</option></entry>
1319               <entry>Don't assume this program contains <literal>main</literal></entry>
1320               <entry>dynamic</entry>
1321               <entry>-</entry>
1322             </row>
1323             <row>
1324               <entry><option>-no-link</option></entry>
1325               <entry>Omit linking</entry>
1326               <entry>dynamic</entry>
1327               <entry>-</entry>
1328             </row>
1329             <row>
1330               <entry><option>-split-objs</option></entry>
1331               <entry>Split objects (for libraries)</entry>
1332               <entry>dynamic</entry>
1333               <entry>-</entry>
1334             </row>
1335             <row>
1336               <entry><option>-static</option></entry>
1337               <entry>Use static Haskell libraries</entry>
1338               <entry>static</entry>
1339               <entry>-</entry>
1340             </row>
1341             <row>
1342               <entry><option>-threaded</option></entry>
1343               <entry>Use the threaded runtime</entry>
1344               <entry>static</entry>
1345               <entry>-</entry>
1346             </row>
1347             <row>
1348               <entry><option>-debug</option></entry>
1349               <entry>Use the debugging runtime</entry>
1350               <entry>static</entry>
1351               <entry>-</entry>
1352             </row>
1353           </tbody>
1354         </tgroup>
1355       </informaltable>
1356     </sect2>
1357
1358     <sect2>
1359       <title>Replacing phases</title>
1360
1361       <para><xref linkend="replacing-phases"/></para>
1362
1363       <informaltable>
1364         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1365           <thead>
1366             <row>
1367               <entry>Flag</entry>
1368               <entry>Description</entry>
1369               <entry>Static/Dynamic</entry>
1370               <entry>Reverse</entry>
1371             </row>
1372           </thead>
1373           <tbody>
1374             <row>
1375               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1376               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1377               <entry>dynamic</entry>
1378               <entry>-</entry>
1379             </row>
1380             <row>
1381               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1382               <entry>Use <replaceable>cmd</replaceable> as the C
1383               pre-processor (with <option>-cpp</option> only)</entry>
1384               <entry>dynamic</entry>
1385               <entry>-</entry>
1386             </row>
1387             <row>
1388               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1389               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1390               <entry>dynamic</entry>
1391               <entry>-</entry>
1392             </row>
1393             <row>
1394               <entry><option>-pgmm</option> <replaceable>cmd</replaceable></entry>
1395               <entry>Use <replaceable>cmd</replaceable> as the mangler</entry>
1396               <entry>dynamic</entry>
1397               <entry>-</entry>
1398             </row>
1399             <row>
1400               <entry><option>-pgms</option> <replaceable>cmd</replaceable></entry>
1401               <entry>Use <replaceable>cmd</replaceable> as the splitter</entry>
1402               <entry>dynamic</entry>
1403               <entry>-</entry>
1404             </row>
1405             <row>
1406               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1407               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1408               <entry>dynamic</entry>
1409               <entry>-</entry>
1410             </row>
1411             <row>
1412               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1413               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1414               <entry>dynamic</entry>
1415               <entry>-</entry>
1416             </row>
1417             <row>
1418               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1419               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1420               <entry>dynamic</entry>
1421               <entry>-</entry>
1422             </row>
1423             <row>
1424               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1425               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1426               (with <option>-F</option> only)</entry>
1427               <entry>dynamic</entry>
1428               <entry>-</entry>
1429             </row>
1430           </tbody>
1431         </tgroup>
1432       </informaltable>
1433       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1434       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1435       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1436       <indexterm><primary><option>-pgma</option></primary></indexterm>
1437       <indexterm><primary><option>-pgml</option></primary></indexterm>
1438       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1439       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1440
1441     </sect2>
1442
1443     <sect2>
1444       <title>Forcing options to particular phases</title>
1445
1446       <para><xref linkend="forcing-options-through"/></para>
1447
1448       <informaltable>
1449         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1450           <thead>
1451             <row>
1452               <entry>Flag</entry>
1453               <entry>Description</entry>
1454               <entry>Static/Dynamic</entry>
1455               <entry>Reverse</entry>
1456             </row>
1457           </thead>
1458           <tbody>
1459             <row>
1460               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1461               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1462               <entry>dynamic</entry>
1463               <entry>-</entry>
1464             </row>
1465             <row>
1466               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1467               <entry>pass <replaceable>option</replaceable> to cpp (with
1468               <option>-cpp</option> only)</entry>
1469               <entry>dynamic</entry>
1470               <entry>-</entry>
1471             </row>
1472             <row>
1473               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1474               <entry>pass <replaceable>option</replaceable> to the
1475               custom pre-processor</entry>
1476               <entry>dynamic</entry>
1477               <entry>-</entry>
1478             </row>
1479             <row>
1480               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1481               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1482               <entry>dynamic</entry>
1483               <entry>-</entry>
1484             </row>
1485             <row>
1486               <entry><option>-optm</option> <replaceable>option</replaceable></entry>
1487               <entry>pass <replaceable>option</replaceable> to the mangler</entry>
1488               <entry>dynamic</entry>
1489               <entry>-</entry>
1490             </row>
1491             <row>
1492               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1493               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1494               <entry>dynamic</entry>
1495               <entry>-</entry>
1496             </row>
1497             <row>
1498               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1499               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1500               <entry>dynamic</entry>
1501               <entry>-</entry>
1502             </row>
1503             <row>
1504               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1505               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1506               <entry>dynamic</entry>
1507               <entry>-</entry>
1508             </row>
1509             <row>
1510               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1511               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1512               <entry>dynamic</entry>
1513               <entry>-</entry>
1514             </row>
1515           </tbody>
1516         </tgroup>
1517       </informaltable>
1518     </sect2>
1519
1520     <sect2>
1521       <title>Platform-specific options</title>
1522
1523       <para><xref linkend="options-platform"/></para>
1524
1525       <informaltable>
1526         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1527           <thead>
1528             <row>
1529               <entry>Flag</entry>
1530               <entry>Description</entry>
1531               <entry>Static/Dynamic</entry>
1532               <entry>Reverse</entry>
1533             </row>
1534           </thead>
1535           <tbody>
1536             <row>
1537               <entry><option>-monly-[432]-regs</option></entry>
1538               <entry>(x86 only) give some registers back to the C compiler</entry>
1539               <entry>dynamic</entry>
1540               <entry>-</entry>
1541             </row>
1542           </tbody>
1543         </tgroup>
1544       </informaltable>
1545     </sect2>
1546
1547
1548     <sect2>
1549       <title>External core file options</title>
1550
1551       <para><xref linkend="ext-core"/></para>
1552
1553       <informaltable>
1554         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1555           <thead>
1556             <row>
1557               <entry>Flag</entry>
1558               <entry>Description</entry>
1559               <entry>Static/Dynamic</entry>
1560               <entry>Reverse</entry>
1561             </row>
1562           </thead>
1563           <tbody>
1564             <row>
1565               <entry><option>-fext-core</option></entry>
1566               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1567               <entry>static</entry>
1568               <entry>-</entry>
1569             </row>
1570           </tbody>
1571         </tgroup>
1572       </informaltable>
1573     </sect2>
1574
1575
1576     <sect2>
1577       <title>Compiler debugging options</title>
1578
1579       <para><xref linkend="options-debugging"/></para>
1580
1581       <informaltable>
1582         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1583           <thead>
1584             <row>
1585               <entry>Flag</entry>
1586               <entry>Description</entry>
1587               <entry>Static/Dynamic</entry>
1588               <entry>Reverse</entry>
1589             </row>
1590           </thead>
1591           <tbody>
1592             <row>
1593               <entry><option>-dcore-lint</option></entry>
1594               <entry>Turn on internal sanity checking</entry>
1595               <entry>dynamic</entry>
1596               <entry>-</entry>
1597             </row>
1598             <row>
1599               <entry><option>-ddump-asm</option></entry>
1600               <entry>Dump assembly</entry>
1601               <entry>dynamic</entry>
1602               <entry>-</entry>
1603             </row>
1604             <row>
1605               <entry><option>-ddump-bcos</option></entry>
1606               <entry>Dump interpreter byte code</entry>
1607               <entry>dynamic</entry>
1608               <entry>-</entry>
1609             </row>
1610             <row>
1611               <entry><option>-ddump-cmm</option></entry>
1612               <entry>Dump C-- output</entry>
1613               <entry>dynamic</entry>
1614               <entry>-</entry>
1615             </row>
1616             <row>
1617               <entry><option>-ddump-cpranal</option></entry>
1618               <entry>Dump output from CPR analysis</entry>
1619               <entry>dynamic</entry>
1620               <entry>-</entry>
1621             </row>
1622             <row>
1623               <entry><option>-ddump-cse</option></entry>
1624               <entry>Dump CSE output</entry>
1625               <entry>dynamic</entry>
1626               <entry>-</entry>
1627             </row>
1628             <row>
1629               <entry><option>-ddump-deriv</option></entry>
1630               <entry>Dump deriving output</entry>
1631               <entry>dynamic</entry>
1632               <entry>-</entry>
1633             </row>
1634             <row>
1635               <entry><option>-ddump-ds</option></entry>
1636               <entry>Dump desugarer output</entry>
1637               <entry>dynamic</entry>
1638               <entry>-</entry>
1639             </row>
1640             <row>
1641               <entry><option>-ddump-flatC</option></entry>
1642               <entry>Dump &ldquo;flat&rdquo; C</entry>
1643               <entry>dynamic</entry>
1644               <entry>-</entry>
1645             </row>
1646             <row>
1647               <entry><option>-ddump-foreign</option></entry>
1648               <entry>Dump <literal>foreign export</literal> stubs</entry>
1649               <entry>dynamic</entry>
1650               <entry>-</entry>
1651             </row>
1652             <row>
1653               <entry><option>-ddump-inlinings</option></entry>
1654               <entry>Dump inlining info</entry>
1655               <entry>dynamic</entry>
1656               <entry>-</entry>
1657             </row>
1658             <row>
1659               <entry><option>-ddump-occur-anal</option></entry>
1660               <entry>Dump occurrence analysis output</entry>
1661               <entry>dynamic</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-ddump-opt-cmm</option></entry>
1666               <entry>Dump the results of C-- to C-- optimising passes</entry>
1667               <entry>dynamic</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-ddump-parsed</option></entry>
1672               <entry>Dump parse tree</entry>
1673               <entry>dynamic</entry>
1674               <entry>-</entry>
1675             </row>
1676             <row>
1677               <entry><option>-ddump-prep</option></entry>
1678               <entry>Dump prepared core</entry>
1679               <entry>dynamic</entry>
1680               <entry>-</entry>
1681             </row>
1682             <row>
1683               <entry><option>-ddump-rn</option></entry>
1684               <entry>Dump renamer output</entry>
1685               <entry>dynamic</entry>
1686               <entry>-</entry>
1687             </row>
1688             <row>
1689               <entry><option>-ddump-rules</option></entry>
1690               <entry>Dump rules</entry>
1691               <entry>dynamic</entry>
1692               <entry>-</entry>
1693             </row>
1694             <row>
1695               <entry><option>-ddump-simpl</option></entry>
1696               <entry>Dump final simplifier output</entry>
1697               <entry>dynamic</entry>
1698               <entry>-</entry>
1699             </row>
1700             <row>
1701               <entry><option>-ddump-simpl-iterations</option></entry>
1702               <entry>Dump output from each simplifier iteration</entry>
1703               <entry>dynamic</entry>
1704               <entry>-</entry>
1705             </row>
1706             <row>
1707               <entry><option>-ddump-spec</option></entry>
1708               <entry>Dump specialiser output</entry>
1709               <entry>dynamic</entry>
1710               <entry>-</entry>
1711             </row>
1712             <row>
1713               <entry><option>-ddump-splices</option></entry>
1714               <entry>Dump TH splided expressions, and what they evaluate to</entry>
1715               <entry>dynamic</entry>
1716               <entry>-</entry>
1717             </row>
1718             <row>
1719               <entry><option>-ddump-stg</option></entry>
1720               <entry>Dump final STG</entry>
1721               <entry>dynamic</entry>
1722               <entry>-</entry>
1723             </row>
1724             <row>
1725               <entry><option>-ddump-stranal</option></entry>
1726               <entry>Dump strictness analyser output</entry>
1727               <entry>dynamic</entry>
1728               <entry>-</entry>
1729             </row>
1730             <row>
1731               <entry><option>-ddump-tc</option></entry>
1732               <entry>Dump typechecker output</entry>
1733               <entry>dynamic</entry>
1734               <entry>-</entry>
1735             </row>
1736             <row>
1737               <entry><option>-ddump-types</option></entry>
1738               <entry>Dump type signatures</entry>
1739               <entry>dynamic</entry>
1740               <entry>-</entry>
1741             </row>
1742             <row>
1743               <entry><option>-ddump-worker-wrapper</option></entry>
1744               <entry>Dump worker-wrapper output</entry>
1745               <entry>dynamic</entry>
1746               <entry>-</entry>
1747             </row>
1748             <row>
1749               <entry><option>-ddump-if-trace</option></entry>
1750               <entry>Trace interface files</entry>
1751               <entry>dynamic</entry>
1752               <entry>-</entry>
1753             </row>
1754             <row>
1755               <entry><option>-ddump-tc-trace</option></entry>
1756               <entry>Trace typechecker</entry>
1757               <entry>dynamic</entry>
1758               <entry>-</entry>
1759             </row>
1760             <row>
1761               <entry><option>-ddump-rn-trace</option></entry>
1762               <entry>Trace renamer</entry>
1763               <entry>dynamic</entry>
1764               <entry>-</entry>
1765             </row>
1766             <row>
1767               <entry><option>-ddump-rn-stats</option></entry>
1768               <entry>Renamer stats</entry>
1769               <entry>dynamic</entry>
1770               <entry>-</entry>
1771             </row>
1772             <row>
1773               <entry><option>-ddump-simpl-stats</option></entry>
1774               <entry>Dump simplifier stats</entry>
1775               <entry>dynamic</entry>
1776               <entry>-</entry>
1777             </row>
1778             <row>
1779               <entry><option>-dppr-debug</option></entry>
1780               <entry>Turn on debug printing (more verbose)</entry>
1781               <entry>static</entry>
1782               <entry>-</entry>
1783             </row>
1784             <row>
1785               <entry><option>-dppr-noprags</option></entry>
1786               <entry>Don't output pragma info in dumps</entry>
1787               <entry>static</entry>
1788               <entry>-</entry>
1789             </row>
1790             <row>
1791               <entry><option>-dppr-user-length</option></entry>
1792               <entry>Set the depth for printing expressions in error msgs</entry>
1793               <entry>static</entry>
1794               <entry>-</entry>
1795             </row>
1796             <row>
1797               <entry><option>-dsource-stats</option></entry>
1798               <entry>Dump haskell source stats</entry>
1799               <entry>dynamic</entry>
1800               <entry>-</entry>
1801             </row>
1802             <row>
1803               <entry><option>-dcmm-lint</option></entry>
1804               <entry>C-- pass sanity checking</entry>
1805               <entry>dynamic</entry>
1806               <entry>-</entry>
1807             </row>
1808             <row>
1809               <entry><option>-dstg-lint</option></entry>
1810               <entry>STG pass sanity checking</entry>
1811               <entry>dynamic</entry>
1812               <entry>-</entry>
1813             </row>
1814             <row>
1815               <entry><option>-dstg-stats</option></entry>
1816               <entry>Dump STG stats</entry>
1817               <entry>dynamic</entry>
1818               <entry>-</entry>
1819             </row>
1820             <row>
1821               <entry><option>-dverbose-core2core</option></entry>
1822               <entry>Show output from each core-to-core pass</entry>
1823               <entry>dynamic</entry>
1824               <entry>-</entry>
1825             </row>
1826             <row>
1827               <entry><option>-dverbose-stg2stg</option></entry>
1828               <entry>Show output from each STG-to-STG pass</entry>
1829               <entry>dynamic</entry>
1830               <entry>-</entry>
1831             </row>
1832             <row>
1833               <entry><option>-dshow-passes</option></entry>
1834               <entry>Print out each pass name as it happens</entry>
1835               <entry>dynamic</entry>
1836               <entry>-</entry>
1837             </row>
1838             <row>
1839               <entry><option>-dfaststring-stats</option></entry>
1840               <entry>Show statistics for fast string usage when finished</entry>
1841               <entry>dynamic</entry>
1842               <entry>-</entry>
1843             </row>
1844             <row>
1845               <entry><option>-unreg</option></entry>
1846               <entry>Enable unregisterised compilation</entry>
1847               <entry>static</entry>
1848               <entry>-</entry>
1849             </row>
1850           </tbody>
1851         </tgroup>
1852       </informaltable>
1853     </sect2>
1854
1855     <sect2>
1856       <title>Misc compiler options</title>
1857
1858       <informaltable>
1859         <tgroup cols="4" align="left" colsep="1" rowsep="1">
1860           <thead>
1861             <row>
1862               <entry>Flag</entry>
1863               <entry>Description</entry>
1864               <entry>Static/Dynamic</entry>
1865               <entry>Reverse</entry>
1866             </row>
1867           </thead>
1868           <tbody>
1869             <row>
1870               <entry><option>-fno-hi-version-check</option></entry>
1871               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1872               <entry>static</entry>
1873               <entry>-</entry>
1874             </row>
1875             <row>
1876               <entry><option>-dno-black-holing</option></entry>
1877               <entry>Turn off black holing (probably doesn't work)</entry>
1878               <entry>static</entry>
1879               <entry>-</entry>
1880             </row>
1881             <row>
1882               <entry><option>-fno-method-sharing</option></entry>
1883               <entry>Don't share specialisations of overloaded functions</entry>
1884               <entry>static</entry>
1885               <entry>-</entry>
1886             </row>
1887             <row>
1888               <entry><option>-fhistory-size</option></entry>
1889               <entry>Set simplification history size</entry>
1890               <entry>static</entry>
1891               <entry>-</entry>
1892             </row>
1893             <row>
1894               <entry><option>-funregisterised</option></entry>
1895               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1896               <entry>static</entry>
1897               <entry>-</entry>
1898             </row>
1899             <row>
1900               <entry><option>-fno-asm-mangling</option></entry>
1901               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1902               <entry>dynamic</entry>
1903               <entry>-</entry>
1904             </row>
1905             <row>
1906               <entry><option>-fno-print-bind-result</option></entry>
1907               <entry><link id="ghci-stmts">Turn off printing of binding results in GHCi</link></entry>
1908               <entry>dynamic</entry>
1909               <entry>-</entry>
1910             </row>
1911           </tbody>
1912         </tgroup>
1913       </informaltable>
1914     </sect2>
1915   </sect1>
1916
1917
1918 <!--
1919 Still to document:
1920
1921 Misc:
1922   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1923
1924   -Bdir
1925 -->
1926
1927 <!-- Emacs stuff:
1928      ;;; Local Variables: ***
1929      ;;; mode: xml ***
1930      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1931      ;;; End: ***
1932  -->