ghc/docs/users_guide/flags.xml

   1 <?xml version="1.0" encoding="iso-8859-1"?>
   2   <sect1 id="flag-reference">
   3     <title>Flag reference</title>
   4
   5     <para>This section is a quick-reference for GHC's command-line
   6     flags.  For each flag, we also list its static/dynamic status (see
   7     <xref linkend="static-dynamic-flags"/>), and the flag's opposite
   8     (if available).</para>
   9
  10     <sect2>
  11       <title>Help and verbosity options (<xref linkend="options-help"/>)</title>
  12
  13       <informaltable>
  14         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  15           <thead>
  16             <row>
  17               <entry>Flag</entry>
  18               <entry>Description</entry>
  19               <entry>Static/Dynamic</entry>
  20               <entry>Reverse</entry>
  21             </row>
  22           </thead>
  23           <tbody>
  24             <row>
  25               <entry><option>-?</option></entry>
  26               <entry>help</entry>
  27               <entry>static</entry>
  28               <entry>-</entry>
  29             </row>
  30             <row>
  31               <entry><option>-help</option></entry>
  32               <entry>help</entry>
  33               <entry>static</entry>
  34               <entry>-</entry>
  35             </row>
  36             <row>
  37               <entry><option>-v</option></entry>
  38               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
  39               <entry>dynamic</entry>
  40               <entry>-</entry>
  41             </row>
  42             <row>
  43               <entry><option>-v</option><replaceable>n</replaceable></entry>
  44               <entry>set verbosity level</entry>
  45               <entry>dynamic</entry>
  46               <entry>-</entry>
  47             </row>
  48             <row>
  49               <entry><option>-V</option></entry>
  50               <entry>display GHC version</entry>
  51               <entry>static</entry>
  52               <entry>-</entry>
  53             </row>
  54             <row>
  55               <entry><option>&ndash;&ndash;version</option></entry>
  56               <entry>display GHC version</entry>
  57               <entry>static</entry>
  58               <entry>-</entry>
  59             </row>
  60             <row>
  61               <entry><option>&ndash;&ndash;numeric-version</option></entry>
  62               <entry>display GHC version (numeric only)</entry>
  63               <entry>static</entry>
  64               <entry>-</entry>
  65             </row>
  66             <row>
  67               <entry><option>&ndash;&ndash;print-libdir</option></entry>
  68               <entry>display GHC library directory</entry>
  69               <entry>static</entry>
  70               <entry>-</entry>
  71             </row>
  72             <row>
  73               <entry><option>-ferror-spans</option></entry>
  74               <entry>output full span in error messages</entry>
  75               <entry>static</entry>
  76               <entry>-</entry>
  77             </row>
  78           </tbody>
  79         </tgroup>
  80       </informaltable>
  81
  82     </sect2>
  83     <sect2>
  84       <title>Which phases to run (<xref linkend="options-order"/>)</title>
  85
  86       <informaltable>
  87         <tgroup cols="3" align="left" colsep="1" rowsep="1">
  88           <thead>
  89             <row>
  90               <entry>Flag</entry>
  91               <entry>Description</entry>
  92               <entry>Static/Dynamic</entry>
  93               <entry>Reverse</entry>
  94             </row>
  95           </thead>
  96           <tbody>
  97             <row>
  98               <entry><option>-E</option></entry>
  99               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
 100               <entry>static</entry>
 101               <entry>-</entry>
 102             </row>
 103             <row>
 104               <entry><option>-C</option></entry>
 105               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
 106               <entry>static</entry>
 107               <entry>-</entry>
 108             </row>
 109             <row>
 110               <entry><option>-S</option></entry>
 111               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
 112               <entry>static</entry>
 113               <entry>-</entry>
 114             </row>
 115             <row>
 116               <entry><option>-c</option></entry>
 117               <entry>Stop after compiling to object code (<literal>.o</literal> file)</entry>
 118               <entry>static</entry>
 119               <entry>-</entry>
 120             </row>
 121           </tbody>
 122         </tgroup>
 123       </informaltable>
 124     </sect2>
 125
 126      <sect2>
 127       <title>Alternative modes of operation (<xref linkend="modes"/>)</title>
 128
 129       <informaltable>
 130         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 131           <thead>
 132             <row>
 133               <entry>Flag</entry>
 134               <entry>Description</entry>
 135               <entry>Static/Dynamic</entry>
 136               <entry>Reverse</entry>
 137             </row>
 138           </thead>
 139           <tbody>
 140             <row>
 141               <entry><option>--interactive</option></entry>
 142               <entry>Interactive mode - normally used by just running <command>ghci</command></entry>
 143               <entry>static</entry>
 144               <entry>-</entry>
 145             </row>
 146             <row>
 147               <entry><option>--make</option></entry>
 148               <entry>Build a multi-module Haskell program, automatically figuring out dependencies. Likely to be much easier, and faster, than using <command>make</command>.</entry>
 149               <entry>static</entry>
 150               <entry>-</entry>
 151             </row>
 152             <row>
 153               <entry><option>-e <replaceable>expr</replaceable></option></entry>
 154               <entry>Evaluate <replaceable>expr</replaceable></entry>
 155               <entry>static</entry>
 156               <entry>-</entry>
 157             </row>
 158             <row>
 159               <entry><option>-M</option></entry>
 160               <entry>Generate dependency information suitable for use in a <filename>Makefile</filename>.</entry>
 161               <entry>static</entry>
 162               <entry>-</entry>
 163             </row>
 164             <row>
 165               <entry><option>--mk-dll</option></entry>
 166               <entry>DLL-creation mode (Windows only)</entry>
 167               <entry>static</entry>
 168               <entry>-</entry>
 169             </row>
 170           </tbody>
 171         </tgroup>
 172       </informaltable>
 173     </sect2>
 174
 175     <sect2>
 176       <title>Redirecting output (<xref linkend="options-output"/>)</title>
 177
 178       <informaltable>
 179         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 180           <thead>
 181             <row>
 182               <entry>Flag</entry>
 183               <entry>Description</entry>
 184               <entry>Static/Dynamic</entry>
 185               <entry>Reverse</entry>
 186             </row>
 187           </thead>
 188           <tbody>
 189             <row>
 190               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
 191               <entry>set the suffix to use for intermediate C files</entry>
 192               <entry>static</entry>
 193               <entry>-</entry>
 194             </row>
 195             <row>
 196               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
 197               <entry>set directory for interface files</entry>
 198               <entry>static</entry>
 199               <entry>-</entry>
 200             </row>
 201             <row>
 202               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
 203               <entry>set the suffix to use for interface files</entry>
 204               <entry>static</entry>
 205               <entry>-</entry>
 206             </row>
 207             <row>
 208               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
 209               <entry>set output filename</entry>
 210               <entry>static</entry>
 211               <entry>-</entry>
 212             </row>
 213             <row>
 214               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
 215               <entry>set output directory</entry>
 216               <entry>static</entry>
 217               <entry>-</entry>
 218             </row>
 219             <row>
 220               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
 221               <entry>set the filename in which to put the interface</entry>
 222               <entry>static</entry>
 223               <entry></entry>
 224             </row>
 225             <row>
 226               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
 227               <entry>set the output file suffix</entry>
 228               <entry>static</entry>
 229               <entry>-</entry>
 230             </row>
 231           </tbody>
 232         </tgroup>
 233       </informaltable>
 234     </sect2>
 235
 236     <sect2>
 237       <title>Keeping intermediate files (<xref linkend="keeping-intermediates"/>)</title>
 238
 239       <informaltable>
 240         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 241           <thead>
 242             <row>
 243               <entry>Flag</entry>
 244               <entry>Description</entry>
 245               <entry>Static/Dynamic</entry>
 246               <entry>Reverse</entry>
 247             </row>
 248           </thead>
 249           <tbody>
 250             <row>
 251               <entry><option>-keep-hc-file</option></entry>
 252               <entry>retain intermediate <literal>.hc</literal> files</entry>
 253               <entry>static</entry>
 254               <entry>-</entry>
 255             </row>
 256             <row>
 257               <entry><option>-keep-s-file</option></entry>
 258               <entry>retain intermediate <literal>.s</literal> files</entry>
 259               <entry>static</entry>
 260               <entry>-</entry>
 261             </row>
 262             <row>
 263               <entry><option>-keep-raw-s-file</option></entry>
 264               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
 265               <entry>static</entry>
 266               <entry>-</entry>
 267             </row>
 268             <row>
 269               <entry><option>-keep-tmp-files</option></entry>
 270               <entry>retain all intermediate temporary files</entry>
 271               <entry>static</entry>
 272               <entry>-</entry>
 273             </row>
 274           </tbody>
 275         </tgroup>
 276       </informaltable>
 277     </sect2>
 278
 279     <sect2>
 280       <title>Temporary files (<xref linkend="temp-files"/>)</title>
 281
 282       <informaltable>
 283         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 284           <thead>
 285             <row>
 286               <entry>Flag</entry>
 287               <entry>Description</entry>
 288               <entry>Static/Dynamic</entry>
 289               <entry>Reverse</entry>
 290             </row>
 291           </thead>
 292           <tbody>
 293             <row>
 294               <entry><option>-tmpdir</option></entry>
 295               <entry>set the directory for temporary files</entry>
 296               <entry>static</entry>
 297               <entry>-</entry>
 298             </row>
 299           </tbody>
 300         </tgroup>
 301       </informaltable>
 302     </sect2>
 303
 304     <sect2>
 305       <title>Finding imports (<xref linkend="search-path"/>)</title>
 306
 307       <informaltable>
 308         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 309           <thead>
 310             <row>
 311               <entry>Flag</entry>
 312
 313               <entry>Description</entry>
 314               <entry>Static/Dynamic</entry>
 315               <entry>Reverse</entry>
 316             </row>
 317           </thead>
 318           <tbody>
 319             <row>
 320               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
 321               <entry>add <replaceable>dir</replaceable>,
 322                   <replaceable>dir2</replaceable>, etc. to import path</entry>
 323               <entry>static</entry>
 324               <entry>-</entry>
 325             </row>
 326             <row>
 327               <entry><option>-i</option></entry>
 328               <entry>Empty the import directory list</entry>
 329               <entry>static</entry>
 330               <entry>-</entry>
 331             </row>
 332           </tbody>
 333         </tgroup>
 334       </informaltable>
 335     </sect2>
 336
 337     <sect2>
 338       <title>Interface file options (<xref linkend="hi-options"/>)</title>
 339
 340       <informaltable>
 341         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 342           <thead>
 343             <row>
 344               <entry>Flag</entry>
 345
 346               <entry>Description</entry>
 347               <entry>Static/Dynamic</entry>
 348               <entry>Reverse</entry>
 349             </row>
 350           </thead>
 351           <tbody>
 352             <row>
 353               <entry><option>-ddump-hi</option></entry>
 354               <entry>Dump the new interface to stdout</entry>
 355               <entry>dynamic</entry>
 356               <entry>-</entry>
 357             </row>
 358             <row>
 359               <entry><option>-ddump-hi-diffs</option></entry>
 360               <entry>Show the differences vs. the old interface</entry>
 361               <entry>dynamic</entry>
 362               <entry>-</entry>
 363             </row>
 364             <row>
 365               <entry><option>-ddump-minimal-imports</option></entry>
 366               <entry>Dump a minimal set of imports</entry>
 367               <entry>dynamic</entry>
 368               <entry>-</entry>
 369             </row>
 370             <row>
 371               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
 372               <entry>Read the interface in
 373               <replaceable>file</replaceable> and dump it as text to
 374               <literal>stdout</literal>.</entry>
 375               <entry>static</entry>
 376               <entry>-</entry>
 377             </row>
 378           </tbody>
 379         </tgroup>
 380       </informaltable>
 381     </sect2>
 382
 383     <sect2>
 384       <title>Recompilation checking (<xref linkend="recomp"/>)</title>
 385
 386       <informaltable>
 387         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 388           <thead>
 389             <row>
 390               <entry>Flag</entry>
 391
 392               <entry>Description</entry>
 393               <entry>Static/Dynamic</entry>
 394               <entry>Reverse</entry>
 395             </row>
 396           </thead>
 397           <tbody>
 398             <row>
 399               <entry><option>-no-recomp</option></entry>
 400               <entry>Turn off recompilation checking; implied by any
 401               <option>-ddump-X</option> option</entry>
 402               <entry>dynamic</entry>
 403               <entry><option>-recomp</option></entry>
 404             </row>
 405           </tbody>
 406         </tgroup>
 407       </informaltable>
 408     </sect2>
 409
 410     <sect2>
 411       <title>Interactive-mode options (<xref linkend="ghci-dot-files"/>)</title>
 412
 413       <informaltable>
 414         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 415           <thead>
 416             <row>
 417               <entry>Flag</entry>
 418               <entry>Description</entry>
 419               <entry>Static/Dynamic</entry>
 420               <entry>Reverse</entry>
 421             </row>
 422           </thead>
 423           <tbody>
 424             <row>
 425               <entry><option>-ignore-dot-ghci</option></entry>
 426               <entry>Disable reading of <filename>.ghci</filename> files</entry>
 427               <entry>static</entry>
 428               <entry>-</entry>
 429             </row>
 430             <row>
 431               <entry><option>-read-dot-ghci</option></entry>
 432               <entry>Enable reading of <filename>.ghci</filename> files</entry>
 433               <entry>static</entry>
 434               <entry>-</entry>
 435             </row>
 436           </tbody>
 437         </tgroup>
 438       </informaltable>
 439     </sect2>
 440
 441     <sect2>
 442       <title>Packages (<xref linkend="packages"/>)</title>
 443       <informaltable>
 444         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 445           <thead>
 446             <row>
 447               <entry>Flag</entry>
 448               <entry>Description</entry>
 449               <entry>Static/Dynamic</entry>
 450               <entry>Reverse</entry>
 451             </row>
 452           </thead>
 453           <tbody>
 454             <row>
 455               <entry><option>-package</option> <replaceable>P</replaceable></entry>
 456               <entry>Expose package <replaceable>P</replaceable></entry>
 457               <entry>static</entry>
 458               <entry>-</entry>
 459             </row>
 460             <row>
 461               <entry><option>-hide-package</option> <replaceable>name</replaceable></entry>
 462               <entry>Hide package <replaceable>P</replaceable></entry>
 463               <entry>static</entry>
 464               <entry>-</entry>
 465             </row>
 466             <row>
 467               <entry><option>-ignore-package</option> <replaceable>name</replaceable></entry>
 468               <entry>Ignore package <replaceable>P</replaceable></entry>
 469               <entry>static</entry>
 470               <entry>-</entry>
 471             </row>
 472             <row>
 473               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
 474               <entry>Load more packages from <replaceable>file</replaceable></entry>
 475               <entry>static</entry>
 476               <entry>-</entry>
 477             </row>
 478             <row>
 479               <entry><option>-no-user-package-conf</option></entry>
 480               <entry>Don't load the user's package config file.</entry>
 481               <entry>static</entry>
 482               <entry>-</entry>
 483             </row>
 484           </tbody>
 485         </tgroup>
 486       </informaltable>
 487     </sect2>
 488
 489     <sect2>
 490       <title>Language options (<xref linkend="options-language"/>)</title>
 491
 492       <informaltable>
 493         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 494           <thead>
 495             <row>
 496               <entry>Flag</entry>
 497               <entry>Description</entry>
 498               <entry>Static/Dynamic</entry>
 499               <entry>Reverse</entry>
 500             </row>
 501           </thead>
 502           <tbody>
 503             <row>
 504               <entry><option>-fallow-overlapping-instances</option></entry>
 505               <entry>Enable overlapping instances</entry>
 506               <entry>dynamic</entry>
 507               <entry><option>-fno-allow-overlapping-instances</option></entry>
 508             </row>
 509             <row>
 510               <entry><option>-fallow-undecidable-instances</option></entry>
 511               <entry>Enable undecidable instances</entry>
 512               <entry>dynamic</entry>
 513               <entry><option>-fno-allow-undecidable-instances</option></entry>
 514             </row>
 515             <row>
 516               <entry><option>-fallow-incoherent-instances</option></entry>
 517               <entry>Enable incoherent instances</entry>
 518               <entry>dynamic</entry>
 519               <entry><option>-fno-allow-incoherent-instances</option></entry>
 520             </row>
 521             <row>
 522               <entry><option>-farrows</option></entry>
 523               <entry>Enable arrow notation extension</entry>
 524               <entry>dynamic</entry>
 525               <entry><option>-fno-arrows</option></entry>
 526             </row>
 527             <row>
 528               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
 529               <entry>set the limit for context reduction</entry>
 530               <entry>static</entry>
 531               <entry><option>-</option></entry>
 532             </row>
 533             <row>
 534               <entry><option>-ffi</option> or <option>-fffi</option></entry>
 535               <entry>Enable foreign function interface (implied by
 536               <option>-fglasgow-exts</option>)</entry>
 537               <entry>dynamic</entry>
 538               <entry><option>-fno-ffi</option></entry>
 539             </row>
 540             <row>
 541               <entry><option>-fgenerics</option></entry>
 542               <entry>Enable generics</entry>
 543               <entry>dynamic</entry>
 544               <entry><option>-fno-fgenerics</option></entry>
 545             </row>
 546             <row>
 547               <entry><option>-fglasgow-exts</option></entry>
 548               <entry>Enable most language extensions</entry>
 549               <entry>dynamic</entry>
 550               <entry><option>-fno-glasgow-exts</option></entry>
 551             </row>
 552             <row>
 553               <entry><option>-fignore-asserts</option></entry>
 554               <entry>Ignore assertions</entry>
 555               <entry>dynamic</entry>
 556               <entry><option>-fno-ignore-asserts</option></entry>
 557             </row>
 558             <row>
 559               <entry><option>-fimplicit-params</option></entry>
 560               <entry>Enable Implicit Parameters.
 561               Implied by <option>-fglasgow-exts</option>.</entry>
 562               <entry>dynamic</entry>
 563               <entry><option>-fno-implicit-params</option></entry>
 564             </row>
 565             <row>
 566               <entry><option>-firrefutable-tuples</option></entry>
 567               <entry>Make tuple pattern matching irrefutable</entry>
 568               <entry>dynamic</entry>
 569               <entry><option>-fno-irrefutable-tuples</option></entry>
 570             </row>
 571             <row>
 572               <entry><option>-fno-implicit-prelude</option></entry>
 573               <entry>Don't implicitly <literal>import Prelude</literal></entry>
 574               <entry>dynamic</entry>
 575               <entry><option>-fimplicit-prelude</option></entry>
 576             </row>
 577             <row>
 578               <entry><option>-fno-monomorphism-restriction</option></entry>
 579               <entry>Disable the monomorphism restriction</entry>
 580               <entry>dynamic</entry>
 581               <entry><option>-fmonomorphism-restriction</option></entry>
 582             </row>
 583             <row>
 584               <entry><option>-fscoped-type-variables</option></entry>
 585               <entry>Enable lexically-scoped type variables.
 586               Implied by <option>-fglasgow-exts</option>.</entry>
 587               <entry>dynamic</entry>
 588               <entry><option>-fno-scoped-type-variables</option></entry>
 589             </row>
 590             <row>
 591               <entry><option>-fth</option></entry>
 592               <entry>Enable Template Haskell.
 593                 Implied by <option>-fglasgow-exts</option>.</entry>
 594               <entry>dynamic</entry>
 595               <entry><option>-fno-th</option></entry>
 596             </row>
 597           </tbody>
 598         </tgroup>
 599       </informaltable>
 600     </sect2>
 601
 602     <sect2>
 603       <title>Warnings (<xref linkend="options-sanity"/>)</title>
 604
 605     <informaltable>
 606       <tgroup cols="3" align="left" colsep="1" rowsep="1">
 607         <thead>
 608           <row>
 609             <entry>Flag</entry>
 610             <entry>Description</entry>
 611             <entry>Static/Dynamic</entry>
 612             <entry>Reverse</entry>
 613           </row>
 614         </thead>
 615         <tbody>
 616           <row>
 617             <entry><option>-W</option></entry>
 618             <entry>enable normal warnings</entry>
 619             <entry>dynamic</entry>
 620             <entry><option>-w</option></entry>
 621           </row>
 622           <row>
 623             <entry><option>-w</option></entry>
 624             <entry>disable all warnings</entry>
 625             <entry>dynamic</entry>
 626             <entry>-</entry>
 627           </row>
 628           <row>
 629             <entry><option>-Wall</option></entry>
 630             <entry>enable all warnings</entry>
 631             <entry>dynamic</entry>
 632             <entry><option>-w</option></entry>
 633           </row>
 634           <row>
 635             <entry><option>-Werror</option></entry>
 636             <entry>make warnings fatal</entry>
 637             <entry>dynamic</entry>
 638             <entry></entry>
 639           </row>
 640
 641           <row>
 642             <entry><option>-fwarn-deprecations</option></entry>
 643             <entry>warn about uses of functions &amp; types that are deprecated</entry>
 644             <entry>dynamic</entry>
 645             <entry><option>-fno-warn-deprecations</option></entry>
 646           </row>
 647
 648           <row>
 649             <entry><option>-fwarn-duplicate-exports</option></entry>
 650             <entry>warn when an entity is exported multiple times</entry>
 651             <entry>dynamic</entry>
 652             <entry><option>-fno-warn-duplicate-exports</option></entry>
 653           </row>
 654
 655           <row>
 656             <entry><option>-fwarn-hi-shadowing</option></entry>
 657             <entry>warn when a <literal>.hi</literal> file in the
 658             current directory shadows a library</entry>
 659             <entry>dynamic</entry>
 660             <entry><option>-fno-warn-hi-shadowing</option></entry>
 661           </row>
 662
 663           <row>
 664             <entry><option>-fwarn-incomplete-patterns</option></entry>
 665             <entry>warn when a pattern match could fail</entry>
 666             <entry>dynamic</entry>
 667             <entry><option>-fno-warn-incomplete-patterns</option></entry>
 668           </row>
 669
 670           <row>
 671             <entry><option>-fwarn-incomplete-record-updates</option></entry>
 672             <entry>warn when a record update could fail</entry>
 673             <entry>dynamic</entry>
 674             <entry><option>-fno-warn-incomplete-record-updates</option></entry>
 675           </row>
 676
 677           <row>
 678             <entry><option>-fwarn-misc</option></entry>
 679             <entry>enable miscellaneous warnings</entry>
 680             <entry>dynamic</entry>
 681             <entry><option>-fno-warn-misc</option></entry>
 682           </row>
 683
 684           <row>
 685             <entry><option>-fwarn-missing-fields</option></entry>
 686             <entry>warn when fields of a record are uninitialised</entry>
 687             <entry>dynamic</entry>
 688             <entry><option>-fno-warn-missing-fields</option></entry>
 689           </row>
 690
 691           <row>
 692             <entry><option>-fwarn-missing-methods</option></entry>
 693             <entry>warn when class methods are undefined</entry>
 694             <entry>dynamic</entry>
 695             <entry><option>-fno-warn-missing-methods</option></entry>
 696           </row>
 697
 698           <row>
 699             <entry><option>-fwarn-missing-signatures</option></entry>
 700             <entry>warn about top-level functions without signatures</entry>
 701             <entry>dynamic</entry>
 702             <entry><option>-fno-warn-missing-signatures</option></entry>
 703           </row>
 704
 705           <row>
 706             <entry><option>-fwarn-name-shadowing</option></entry>
 707             <entry>warn when names are shadowed</entry>
 708             <entry>dynamic</entry>
 709             <entry><option>-fno-warn-name-shadowing</option></entry>
 710           </row>
 711
 712           <row>
 713             <entry><option>-fwarn-oprhans</option></entry>
 714             <entry>warn when the module contains "orphan" instance declarations
 715             or rewrite rules</entry>
 716             <entry>dynamic</entry>
 717             <entry><option>-fno-warn-orphans</option></entry>
 718           </row>
 719
 720           <row>
 721             <entry><option>-fwarn-overlapping-patterns</option></entry>
 722             <entry>warn about overlapping patterns</entry>
 723             <entry>dynamic</entry>
 724             <entry><option>-fno-warn-overlapping-patterns</option></entry>
 725           </row>
 726
 727           <row>
 728             <entry><option>-fwarn-simple-patterns</option></entry>
 729             <entry>warn about lambda-patterns that can fail</entry>
 730             <entry>dynamic</entry>
 731             <entry><option>-fno-warn-simple-patterns</option></entry>
 732           </row>
 733
 734           <row>
 735             <entry><option>-fwarn-type-defaults</option></entry>
 736             <entry>warn when defaulting happens</entry>
 737             <entry>dynamic</entry>
 738             <entry><option>-fno-warn-type-defaults</option></entry>
 739           </row>
 740
 741           <row>
 742             <entry><option>-fwarn-unused-binds</option></entry>
 743             <entry>warn about bindings that are unused</entry>
 744             <entry>dynamic</entry>
 745             <entry><option>-fno-warn-unused-binds</option></entry>
 746           </row>
 747
 748           <row>
 749             <entry><option>-fwarn-unused-imports</option></entry>
 750             <entry>warn about unnecessary imports</entry>
 751             <entry>dynamic</entry>
 752             <entry><option>-fno-warn-unused-imports</option></entry>
 753           </row>
 754
 755           <row>
 756             <entry><option>-fwarn-unused-matches</option></entry>
 757             <entry>warn about variables in patterns that aren't used</entry>
 758             <entry>dynamic</entry>
 759             <entry><option>-fno-warn-unused-matches</option></entry>
 760           </row>
 761
 762           </tbody>
 763         </tgroup>
 764       </informaltable>
 765
 766     </sect2>
 767     <sect2>
 768       <title>Optimisation levels (<xref linkend="options-optimise"/>)</title>
 769
 770       <informaltable>
 771         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 772           <thead>
 773             <row>
 774               <entry>Flag</entry>
 775               <entry>Description</entry>
 776               <entry>Static/Dynamic</entry>
 777               <entry>Reverse</entry>
 778             </row>
 779           </thead>
 780           <tbody>
 781             <row>
 782               <entry><option>-O</option></entry>
 783               <entry>Enable default optimisation (level 1)</entry>
 784               <entry>dynamic</entry>
 785               <entry><option>-O0</option></entry>
 786             </row>
 787             <row>
 788               <entry><option>-O</option><replaceable>n</replaceable></entry>
 789               <entry>Set optimisation level <replaceable>n</replaceable></entry>
 790               <entry>dynamic</entry>
 791               <entry><option>-O0</option></entry>
 792             </row>
 793           </tbody>
 794         </tgroup>
 795       </informaltable>
 796
 797     </sect2>
 798     <sect2>
 799       <title>Individual optimisations (<xref linkend="options-f"/>)</title>
 800
 801       <informaltable>
 802         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 803           <thead>
 804             <row>
 805               <entry>Flag</entry>
 806               <entry>Description</entry>
 807               <entry>Static/Dynamic</entry>
 808               <entry>Reverse</entry>
 809             </row>
 810           </thead>
 811           <tbody>
 812             <row>
 813               <entry><option>-fcase-merge</option></entry>
 814               <entry>Enable case-merging</entry>
 815               <entry>dynamic</entry>
 816               <entry><option>-fno-case-merge</option></entry>
 817             </row>
 818
 819             <row>
 820               <entry><option>-fdicts-strict</option></entry>
 821               <entry>Make dictionaries strict</entry>
 822               <entry>static</entry>
 823               <entry><option>-fno-dicts-strict</option></entry>
 824             </row>
 825
 826             <row>
 827               <entry><option>-fdo-eta-reduction</option></entry>
 828               <entry>Enable eta-reduction</entry>
 829               <entry>dynamic</entry>
 830               <entry><option>-fno-do-eta-reduction</option></entry>
 831             </row>
 832
 833             <row>
 834               <entry><option>-fdo-lambda-eta-expansion</option></entry>
 835               <entry>Enable lambda eta-reduction</entry>
 836               <entry>dynamic</entry>
 837               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
 838             </row>
 839
 840             <row>
 841               <entry><option>-fexcess-precision</option></entry>
 842               <entry>Enable excess intermediate precision</entry>
 843               <entry>static</entry>
 844               <entry><option>-fno-excess-precision</option></entry>
 845             </row>
 846
 847             <row>
 848               <entry><option>-frules-off</option></entry>
 849               <entry>Switch off all rewrite rules (including rules
 850               generated by automatic specialisation of overloaded functions)</entry>
 851               <entry>static</entry>
 852               <entry><option>-frules-off</option></entry>
 853             </row>
 854
 855             <row>
 856               <entry><option>-fignore-asserts</option></entry>
 857               <entry>Ignore assertions in the source</entry>
 858               <entry>static</entry>
 859               <entry><option>-fno-ignore-asserts</option></entry>
 860             </row>
 861
 862             <row>
 863               <entry><option>-fignore-interface-pragmas</option></entry>
 864               <entry>Ignore pragmas in interface files</entry>
 865               <entry>static</entry>
 866               <entry><option>-fno-ignore-interface-pragmas</option></entry>
 867             </row>
 868
 869             <row>
 870               <entry><option>-fliberate-case-threshold</option></entry>
 871               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
 872               <entry>static</entry>
 873               <entry><option>-fno-liberate-case-threshold</option></entry>
 874             </row>
 875
 876             <row>
 877               <entry><option>-fomit-interface-pragmas</option></entry>
 878               <entry>Don't generate interface pragmas</entry>
 879               <entry>dynamic</entry>
 880               <entry><option>-fno-omit-interface-pragmas</option></entry>
 881             </row>
 882
 883             <row>
 884               <entry><option>-fmax-worker-args</option></entry>
 885               <entry>If a worker has that many arguments, none will be
 886                 unpacked anymore (default: 10)</entry>
 887               <entry>static</entry>
 888               <entry>-</entry>
 889             </row>
 890
 891             <row>
 892               <entry><option>-fmax-simplifier-iterations</option></entry>
 893               <entry>Set the max iterations for the simplifier</entry>
 894               <entry>dynamic</entry>
 895               <entry>-</entry>
 896             </row>
 897
 898             <row>
 899               <entry><option>-fno-state-hack</option></entry>
 900               <entry>Turn off the "state hack" whereby any lambda with a real-world state token
 901               as argument is considered to be single-entry.  Hence OK to inline things inside it.</entry>
 902               <entry>static</entry>
 903               <entry>-</entry>
 904             </row>
 905
 906             <row>
 907               <entry><option>-fno-cpr</option></entry>
 908               <entry>Turn off CPR analysis</entry>
 909               <entry>static</entry>
 910               <entry>-fcpr</entry>
 911             </row>
 912
 913             <row>
 914               <entry><option>-fno-cse</option></entry>
 915               <entry>Turn off common sub-expression</entry>
 916               <entry>dynamic</entry>
 917               <entry>-</entry>
 918             </row>
 919
 920             <row>
 921               <entry><option>-fno-full-laziness</option></entry>
 922               <entry>Turn off full laziness (floating bindings outwards).  It is on by default.</entry>
 923               <entry>dynamic</entry>
 924               <entry>-ffull-laziness</entry>
 925             </row>
 926
 927             <row>
 928               <entry><option>-fno-pre-inlining</option></entry>
 929               <entry>Turn off pre-inlining</entry>
 930               <entry>static</entry>
 931               <entry>-</entry>
 932             </row>
 933
 934             <row>
 935               <entry><option>-fno-strictness</option></entry>
 936               <entry>Turn off strictness analysis</entry>
 937               <entry>dynamic</entry>
 938               <entry>-</entry>
 939             </row>
 940
 941             <row>
 942               <entry><option>-fnumbers-strict</option></entry>
 943               <entry>Make numbers strict</entry>
 944               <entry>dynamic</entry>
 945               <entry><option>-fno-numbers-strict</option></entry>
 946             </row>
 947
 948             <row>
 949               <entry><option>-funbox-strict-fields</option></entry>
 950               <entry>Flatten strict constructor fields</entry>
 951               <entry>dynamic</entry>
 952               <entry><option>-fno-unbox-strict-fields</option></entry>
 953             </row>
 954
 955             <row>
 956               <entry><option>-funfolding-creation-threshold</option></entry>
 957               <entry>Tweak unfolding settings</entry>
 958               <entry>static</entry>
 959               <entry><option>-fno-unfolding-creation-threshold</option></entry>
 960             </row>
 961
 962             <row>
 963               <entry><option>-funfolding-fun-discount</option></entry>
 964               <entry>Tweak unfolding settings</entry>
 965               <entry>static</entry>
 966               <entry><option>-fno-unfolding-fun-discount</option></entry>
 967             </row>
 968
 969             <row>
 970               <entry><option>-funfolding-keeness-factor</option></entry>
 971               <entry>Tweak unfolding settings</entry>
 972               <entry>static</entry>
 973               <entry><option>-fno-unfolding-keeness-factor</option></entry>
 974             </row>
 975
 976             <row>
 977               <entry><option>-funfolding-update-in-place</option></entry>
 978               <entry>Tweak unfolding settings</entry>
 979               <entry>static</entry>
 980               <entry><option>-fno-unfolding-update-in-place</option></entry>
 981             </row>
 982
 983             <row>
 984               <entry><option>-funfolding-use-threshold</option></entry>
 985               <entry>Tweak unfolding settings</entry>
 986               <entry>static</entry>
 987               <entry><option>-fno-unfolding-use-threshold</option></entry>
 988             </row>
 989           </tbody>
 990         </tgroup>
 991       </informaltable>
 992     </sect2>
 993
 994     <sect2>
 995       <title>Profiling options (<xref linkend="profiling"/>)</title>
 996
 997       <informaltable>
 998         <tgroup cols="3" align="left" colsep="1" rowsep="1">
 999           <thead>
1000             <row>
1001               <entry>Flag</entry>
1002               <entry>Description</entry>
1003               <entry>Static/Dynamic</entry>
1004               <entry>Reverse</entry>
1005             </row>
1006           </thead>
1007           <tbody>
1008             <row>
1009               <entry><option>-auto</option></entry>
1010               <entry>Auto-add <literal>_scc_</literal>s to all
1011               exported functions</entry>
1012               <entry>static</entry>
1013               <entry><option>-no-auto</option></entry>
1014             </row>
1015             <row>
1016               <entry><option>-auto-all</option></entry>
1017               <entry>Auto-add <literal>_scc_</literal>s to all
1018               top-level functions</entry>
1019               <entry>static</entry>
1020               <entry><option>-no-auto-all</option></entry>
1021             </row>
1022             <row>
1023               <entry><option>-auto-dicts</option></entry>
1024               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
1025               <entry>static</entry>
1026               <entry><option>-no-auto-dicts</option></entry>
1027             </row>
1028             <row>
1029               <entry><option>-caf-all</option></entry>
1030               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
1031               <entry>static</entry>
1032               <entry><option>-no-caf-all</option></entry>
1033             </row>
1034             <row>
1035               <entry><option>-prof</option></entry>
1036               <entry>Turn on profiling</entry>
1037               <entry>static</entry>
1038               <entry>-</entry>
1039             </row>
1040             <row>
1041               <entry><option>-ticky</option></entry>
1042               <entry>Turn on ticky-ticky profiling</entry>
1043               <entry>static</entry>
1044               <entry>-</entry>
1045             </row>
1046           </tbody>
1047         </tgroup>
1048       </informaltable>
1049     </sect2>
1050
1051     <sect2>
1052       <title>Parallelism options (<xref linkend="sec-using-parallel"/>)</title>
1053
1054       <informaltable>
1055         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1056           <thead>
1057             <row>
1058               <entry>Flag</entry>
1059               <entry>Description</entry>
1060               <entry>Static/Dynamic</entry>
1061               <entry>Reverse</entry>
1062             </row>
1063           </thead>
1064           <tbody>
1065             <row>
1066               <entry><option>-gransim</option></entry>
1067               <entry>Enable GRANSIM</entry>
1068               <entry>static</entry>
1069               <entry>-</entry>
1070             </row>
1071             <row>
1072               <entry><option>-parallel</option></entry>
1073               <entry>Enable Parallel Haskell</entry>
1074               <entry>static</entry>
1075               <entry>-</entry>
1076             </row>
1077             <row>
1078               <entry><option>-smp</option></entry>
1079               <entry>Enable SMP support</entry>
1080               <entry>static</entry>
1081               <entry>-</entry>
1082             </row>
1083           </tbody>
1084         </tgroup>
1085       </informaltable>
1086     </sect2>
1087
1088     <sect2>
1089       <title>C pre-processor options (<xref linkend="c-pre-processor"/>)</title>
1090
1091       <informaltable>
1092         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1093           <thead>
1094             <row>
1095               <entry>Flag</entry>
1096               <entry>Description</entry>
1097               <entry>Static/Dynamic</entry>
1098               <entry>Reverse</entry>
1099             </row>
1100           </thead>
1101           <tbody>
1102             <row>
1103               <entry><option>-cpp</option></entry>
1104               <entry>Run the C pre-processor on Haskell source files</entry>
1105               <entry>dynamic</entry>
1106               <entry>-</entry>
1107             </row>
1108             <row>
1109               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
1110               <entry>Define a symbol in the C pre-processor</entry>
1111               <entry>dynamic</entry>
1112               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1113             </row>
1114             <row>
1115               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
1116               <entry>Undefine a symbol in the C pre-processor</entry>
1117               <entry>dynamic</entry>
1118               <entry>-</entry>
1119             </row>
1120             <row>
1121               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1122               <entry>Add <replaceable>dir</replaceable> to the
1123               directory search list for <literal>#include</literal> files</entry>
1124               <entry>static</entry>
1125               <entry>-</entry>
1126             </row>
1127           </tbody>
1128         </tgroup>
1129       </informaltable>
1130     </sect2>
1131
1132     <sect2>
1133       <title>C compiler options (<xref linkend="options-C-compiler"/>)</title>
1134       <informaltable>
1135         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1136           <thead>
1137             <row>
1138               <entry>Flag</entry>
1139               <entry>Description</entry>
1140               <entry>Static/Dynamic</entry>
1141               <entry>Reverse</entry>
1142             </row>
1143           </thead>
1144           <tbody>
1145             <row>
1146               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1147               <entry>Include <replaceable>file</replaceable> when
1148               compiling the <filename>.hc</filename> file</entry>
1149               <entry>dynamic</entry>
1150               <entry>-</entry>
1151             </row>
1152           </tbody>
1153         </tgroup>
1154       </informaltable>
1155     </sect2>
1156
1157     <sect2>
1158       <title>Code generation options (<xref linkend="options-codegen"/>)</title>
1159
1160       <informaltable>
1161         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1162           <thead>
1163             <row>
1164               <entry>Flag</entry>
1165               <entry>Description</entry>
1166               <entry>Static/Dynamic</entry>
1167               <entry>Reverse</entry>
1168             </row>
1169           </thead>
1170           <tbody>
1171             <row>
1172               <entry><option>-fasm</option></entry>
1173               <entry>Use the native code generator</entry>
1174               <entry>dynamic</entry>
1175               <entry>-fvia-C</entry>
1176             </row>
1177             <row>
1178               <entry><option>-fvia-C</option></entry>
1179               <entry>Compile via C</entry>
1180               <entry>dynamic</entry>
1181               <entry>-fasm</entry>
1182             </row>
1183             <row>
1184               <entry><option>-fno-code</option></entry>
1185               <entry>Omit code generation</entry>
1186               <entry>static</entry>
1187               <entry>-</entry>
1188             </row>
1189           </tbody>
1190         </tgroup>
1191       </informaltable>
1192     </sect2>
1193
1194     <sect2>
1195       <title>Linking options (<xref linkend="options-linker"/>)</title>
1196
1197       <informaltable>
1198         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1199           <thead>
1200             <row>
1201               <entry>Flag</entry>
1202               <entry>Description</entry>
1203               <entry>Static/Dynamic</entry>
1204               <entry>Reverse</entry>
1205             </row>
1206           </thead>
1207           <tbody>
1208             <row>
1209               <entry><option>-dynamic</option></entry>
1210               <entry>Use dynamic Haskell libraries (if available)</entry>
1211               <entry>static</entry>
1212               <entry>-</entry>
1213             </row>
1214             <row>
1215               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1216               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1217                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1218               <entry>static</entry>
1219               <entry>-</entry>
1220             </row>
1221             <row>
1222               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1223               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1224                 directories searched for frameworks.
1225                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1226               <entry>static</entry>
1227               <entry>-</entry>
1228             </row>
1229             <row>
1230               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1231               <entry>Link in library <replaceable>lib</replaceable></entry>
1232               <entry>static</entry>
1233               <entry>-</entry>
1234             </row>
1235             <row>
1236               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1237               <entry>Add <replaceable>dir</replaceable> to the list of
1238               directories searched for libraries</entry>
1239               <entry>static</entry>
1240               <entry>-</entry>
1241             </row>
1242             <row>
1243               <entry><option>-main-is</option></entry>
1244               <entry>Set main function</entry>
1245               <entry>static</entry>
1246               <entry>-</entry>
1247             </row>
1248             <row>
1249               <entry><option>-no-hs-main</option></entry>
1250               <entry>Don't assume this program contains <literal>main</literal></entry>
1251               <entry>static</entry>
1252               <entry>-</entry>
1253             </row>
1254             <row>
1255               <entry><option>-no-link</option></entry>
1256               <entry>Omit linking</entry>
1257               <entry>static</entry>
1258               <entry>-</entry>
1259             </row>
1260             <row>
1261               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1262               <entry>Link in package <replaceable>name</replaceable></entry>
1263               <entry>static</entry>
1264               <entry>-</entry>
1265             </row>
1266             <row>
1267               <entry><option>-split-objs</option></entry>
1268               <entry>Split objects (for libraries)</entry>
1269               <entry>static</entry>
1270               <entry>-</entry>
1271             </row>
1272             <row>
1273               <entry><option>-static</option></entry>
1274               <entry>Use static Haskell libraries</entry>
1275               <entry>static</entry>
1276               <entry>-</entry>
1277             </row>
1278             <row>
1279               <entry><option>-threaded</option></entry>
1280               <entry>Use the threaded runtime</entry>
1281               <entry>static</entry>
1282               <entry>-</entry>
1283             </row>
1284             <row>
1285               <entry><option>-debug</option></entry>
1286               <entry>Use the debugging runtime</entry>
1287               <entry>static</entry>
1288               <entry>-</entry>
1289             </row>
1290           </tbody>
1291         </tgroup>
1292       </informaltable>
1293     </sect2>
1294
1295     <sect2>
1296       <title>Replacing phases (<xref linkend="replacing-phases"/>)</title>
1297
1298       <informaltable>
1299         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1300           <thead>
1301             <row>
1302               <entry>Flag</entry>
1303               <entry>Description</entry>
1304               <entry>Static/Dynamic</entry>
1305               <entry>Reverse</entry>
1306             </row>
1307           </thead>
1308           <tbody>
1309             <row>
1310               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1311               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1312               <entry>static</entry>
1313               <entry>-</entry>
1314             </row>
1315             <row>
1316               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1317               <entry>Use <replaceable>cmd</replaceable> as the C
1318               pre-processor (with <option>-cpp</option> only)</entry>
1319               <entry>static</entry> <entry>-</entry>
1320             </row>
1321             <row>
1322               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1323               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1324               <entry>static</entry>
1325               <entry>-</entry>
1326             </row>
1327             <row>
1328               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1329               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1330               <entry>static</entry>
1331               <entry>-</entry>
1332             </row>
1333             <row>
1334               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1335               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1336               <entry>static</entry>
1337               <entry>-</entry>
1338             </row>
1339             <row>
1340               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1341               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1342               <entry>static</entry>
1343               <entry>-</entry>
1344             </row>
1345             <row>
1346               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1347               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1348               <entry>static</entry>
1349               <entry>-</entry>
1350             </row>
1351             <row>
1352               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1353               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1354               (with <option>-F</option> only)</entry>
1355               <entry>static</entry>
1356               <entry>-</entry>
1357             </row>
1358           </tbody>
1359         </tgroup>
1360       </informaltable>
1361       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1362       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1363       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1364       <indexterm><primary><option>-pgma</option></primary></indexterm>
1365       <indexterm><primary><option>-pgml</option></primary></indexterm>
1366       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1367       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1368       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1369
1370     </sect2>
1371
1372     <sect2>
1373       <title>Forcing options to particular phases (<xref linkend="forcing-options-through"/>)</title>
1374
1375       <informaltable>
1376         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1377           <thead>
1378             <row>
1379               <entry>Flag</entry>
1380               <entry>Description</entry>
1381               <entry>Static/Dynamic</entry>
1382               <entry>Reverse</entry>
1383             </row>
1384           </thead>
1385           <tbody>
1386             <row>
1387               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1388               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1389               <entry>dynamic</entry>
1390               <entry>-</entry>
1391             </row>
1392             <row>
1393               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1394               <entry>pass <replaceable>option</replaceable> to cpp (with
1395               <option>-cpp</option> only)</entry>
1396               <entry>dynamic</entry>
1397               <entry>-</entry>
1398             </row>
1399             <row>
1400               <entry><option>-optF</option> <replaceable>option</replaceable></entry>
1401               <entry>pass <replaceable>option</replaceable> to the
1402               custom pre-processor</entry>
1403               <entry>dynamic</entry>
1404               <entry>-</entry>
1405             </row>
1406             <row>
1407               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1408               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1409               <entry>dynamic</entry>
1410               <entry>-</entry>
1411             </row>
1412             <row>
1413               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1414               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1415               <entry>dynamic</entry>
1416               <entry>-</entry>
1417             </row>
1418             <row>
1419               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1420               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1421               <entry>static</entry>
1422               <entry>-</entry>
1423             </row>
1424             <row>
1425               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1426               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1427               <entry>static</entry>
1428               <entry>-</entry>
1429             </row>
1430             <row>
1431               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1432               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1433               <entry>static</entry>
1434               <entry>-</entry>
1435             </row>
1436           </tbody>
1437         </tgroup>
1438       </informaltable>
1439     </sect2>
1440
1441     <sect2>
1442       <title>Platform-specific options (<xref linkend="options-platform"/>)</title>
1443
1444       <informaltable>
1445         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1446           <thead>
1447             <row>
1448               <entry>Flag</entry>
1449               <entry>Description</entry>
1450               <entry>Static/Dynamic</entry>
1451               <entry>Reverse</entry>
1452             </row>
1453           </thead>
1454           <tbody>
1455             <row>
1456               <entry><option>-mv8</option></entry>
1457               <entry>(SPARC only) enable version 8 support</entry>
1458               <entry>static</entry>
1459               <entry>-</entry>
1460             </row>
1461             <row>
1462               <entry><option>-monly-[32]-regs</option></entry>
1463               <entry>(x86 only) give some registers back to the C compiler</entry>
1464               <entry>dynamic</entry>
1465               <entry>-</entry>
1466             </row>
1467           </tbody>
1468         </tgroup>
1469       </informaltable>
1470     </sect2>
1471
1472
1473     <sect2>
1474       <title>External core file options (<xref linkend="ext-core"/>)</title>
1475
1476       <informaltable>
1477         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1478           <thead>
1479             <row>
1480               <entry>Flag</entry>
1481               <entry>Description</entry>
1482               <entry>Static/Dynamic</entry>
1483               <entry>Reverse</entry>
1484             </row>
1485           </thead>
1486           <tbody>
1487             <row>
1488               <entry><option>-fext-core</option></entry>
1489               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1490               <entry>static</entry>
1491               <entry>-</entry>
1492             </row>
1493           </tbody>
1494         </tgroup>
1495       </informaltable>
1496     </sect2>
1497
1498
1499     <sect2>
1500       <title>Compiler debugging options (<xref linkend="options-debugging"/>)</title>
1501
1502       <informaltable>
1503         <tgroup cols="3" 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>-dcore-lint</option></entry>
1515               <entry>Turn on internal sanity checking</entry>
1516               <entry>dynamic</entry>
1517               <entry>-</entry>
1518             </row>
1519             <row>
1520               <entry><option>-ddump-absC</option></entry>
1521               <entry>Dump abstract C</entry>
1522               <entry>dynamic</entry>
1523               <entry>-</entry>
1524             </row>
1525             <row>
1526               <entry><option>-ddump-asm</option></entry>
1527               <entry>Dump assembly</entry>
1528               <entry>dynamic</entry>
1529               <entry>-</entry>
1530             </row>
1531             <row>
1532               <entry><option>-ddump-bcos</option></entry>
1533               <entry>Dump interpreter byte code</entry>
1534               <entry>dynamic</entry>
1535               <entry>-</entry>
1536             </row>
1537             <row>
1538               <entry><option>-ddump-cpranal</option></entry>
1539               <entry>Dump output from CPR analysis</entry>
1540               <entry>dynamic</entry>
1541               <entry>-</entry>
1542             </row>
1543             <row>
1544               <entry><option>-ddump-cse</option></entry>
1545               <entry>Dump CSE output</entry>
1546               <entry>dynamic</entry>
1547               <entry>-</entry>
1548             </row>
1549             <row>
1550               <entry><option>-ddump-deriv</option></entry>
1551               <entry>Dump deriving output</entry>
1552               <entry>dynamic</entry>
1553               <entry>-</entry>
1554             </row>
1555             <row>
1556               <entry><option>-ddump-ds</option></entry>
1557               <entry>Dump desugarer output</entry>
1558               <entry>dynamic</entry>
1559               <entry>-</entry>
1560             </row>
1561             <row>
1562               <entry><option>-ddump-flatC</option></entry>
1563               <entry>Dump &ldquo;flat&rdquo; C</entry>
1564               <entry>dynamic</entry>
1565               <entry>-</entry>
1566             </row>
1567             <row>
1568               <entry><option>-ddump-foreign</option></entry>
1569               <entry>Dump <literal>foreign export</literal> stubs</entry>
1570               <entry>dynamic</entry>
1571               <entry>-</entry>
1572             </row>
1573             <row>
1574               <entry><option>-ddump-inlinings</option></entry>
1575               <entry>Dump inlining info</entry>
1576               <entry>dynamic</entry>
1577               <entry>-</entry>
1578             </row>
1579             <row>
1580               <entry><option>-ddump-occur-anal</option></entry>
1581               <entry>Dump occurrence analysis output</entry>
1582               <entry>dynamic</entry>
1583               <entry>-</entry>
1584             </row>
1585             <row>
1586               <entry><option>-ddump-parsed</option></entry>
1587               <entry>Dump parse tree</entry>
1588               <entry>dynamic</entry>
1589               <entry>-</entry>
1590             </row>
1591             <row>
1592               <entry><option>-ddump-realC</option></entry>
1593               <entry>Dump &ldquo;real&rdquo; C</entry>
1594               <entry>dynamic</entry>
1595               <entry>-</entry>
1596             </row>
1597             <row>
1598               <entry><option>-ddump-rn</option></entry>
1599               <entry>Dump renamer output</entry>
1600               <entry>dynamic</entry>
1601               <entry>-</entry>
1602             </row>
1603             <row>
1604               <entry><option>-ddump-rules</option></entry>
1605               <entry>Dump rules</entry>
1606               <entry>dynamic</entry>
1607               <entry>-</entry>
1608             </row>
1609             <row>
1610               <entry><option>-ddump-sat</option></entry>
1611               <entry>Dump saturated output</entry>
1612               <entry>dynamic</entry>
1613               <entry>-</entry>
1614             </row>
1615             <row>
1616               <entry><option>-ddump-simpl</option></entry>
1617               <entry>Dump final simplifier output</entry>
1618               <entry>dynamic</entry>
1619               <entry>-</entry>
1620             </row>
1621             <row>
1622               <entry><option>-ddump-simpl-iterations</option></entry>
1623               <entry>Dump output from each simplifier iteration</entry>
1624               <entry>dynamic</entry>
1625               <entry>-</entry>
1626             </row>
1627             <row>
1628               <entry><option>-ddump-spec</option></entry>
1629               <entry>Dump specialiser output</entry>
1630               <entry>dynamic</entry>
1631               <entry>-</entry>
1632             </row>
1633             <row>
1634               <entry><option>-ddump-stg</option></entry>
1635               <entry>Dump final STG</entry>
1636               <entry>dynamic</entry>
1637               <entry>-</entry>
1638             </row>
1639             <row>
1640               <entry><option>-ddump-stranal</option></entry>
1641               <entry>Dump strictness analyser output</entry>
1642               <entry>dynamic</entry>
1643               <entry>-</entry>
1644             </row>
1645             <row>
1646               <entry><option>-ddump-tc</option></entry>
1647               <entry>Dump typechecker output</entry>
1648               <entry>dynamic</entry>
1649               <entry>-</entry>
1650             </row>
1651             <row>
1652               <entry><option>-ddump-types</option></entry>
1653               <entry>Dump type signatures</entry>
1654               <entry>dynamic</entry>
1655               <entry>-</entry>
1656             </row>
1657             <row>
1658               <entry><option>-ddump-usagesp</option></entry>
1659               <entry>Dump UsageSP analysis output</entry>
1660               <entry>dynamic</entry>
1661               <entry>-</entry>
1662             </row>
1663             <row>
1664               <entry><option>-ddump-worker-wrapper</option></entry>
1665               <entry>Dump worker-wrapper output</entry>
1666               <entry>dynamic</entry>
1667               <entry>-</entry>
1668             </row>
1669             <row>
1670               <entry><option>-ddump-rn-trace</option></entry>
1671               <entry>Trace renamer</entry>
1672               <entry>dynamic</entry>
1673               <entry>-</entry>
1674             </row>
1675             <row>
1676               <entry><option>-ddump-rn-stats</option></entry>
1677               <entry>Renamer stats</entry>
1678               <entry>dynamic</entry>
1679               <entry>-</entry>
1680             </row>
1681             <row>
1682               <entry><option>-ddump-stix</option></entry>
1683               <entry>Native code generator intermediate form</entry>
1684               <entry>dynamic</entry>
1685               <entry>-</entry>
1686             </row>
1687             <row>
1688               <entry><option>-ddump-simpl-stats</option></entry>
1689               <entry>Dump simplifier stats</entry>
1690               <entry>dynamic</entry>
1691               <entry>-</entry>
1692             </row>
1693             <row>
1694               <entry><option>-dppr-debug</option></entry>
1695               <entry>Turn on debug printing (more verbose)</entry>
1696               <entry>static</entry>
1697               <entry>-</entry>
1698             </row>
1699             <row>
1700               <entry><option>-dppr-noprags</option></entry>
1701               <entry>Don't output pragma info in dumps</entry>
1702               <entry>static</entry>
1703               <entry>-</entry>
1704             </row>
1705             <row>
1706               <entry><option>-dppr-user-length</option></entry>
1707               <entry>Set the depth for printing expressions in error msgs</entry>
1708               <entry>static</entry>
1709               <entry>-</entry>
1710             </row>
1711             <row>
1712               <entry><option>-dsource-stats</option></entry>
1713               <entry>Dump haskell source stats</entry>
1714               <entry>dynamic</entry>
1715               <entry>-</entry>
1716             </row>
1717             <row>
1718               <entry><option>-dstg-lint</option></entry>
1719               <entry>STG pass sanity checking</entry>
1720               <entry>dynamic</entry>
1721               <entry>-</entry>
1722             </row>
1723             <row>
1724               <entry><option>-dstg-stats</option></entry>
1725               <entry>Dump STG stats</entry>
1726               <entry>dynamic</entry>
1727               <entry>-</entry>
1728             </row>
1729             <row>
1730               <entry><option>-dusagesp-lint</option></entry>
1731               <entry>UsageSP sanity checker</entry>
1732               <entry>dynamic</entry>
1733               <entry>-</entry>
1734             </row>
1735             <row>
1736               <entry><option>-dverbose-core2core</option></entry>
1737               <entry>Show output from each core-to-core pass</entry>
1738               <entry>dynamic</entry>
1739               <entry>-</entry>
1740             </row>
1741             <row>
1742               <entry><option>-dverbose-stg2stg</option></entry>
1743               <entry>Show output from each STG-to-STG pass</entry>
1744               <entry>dynamic</entry>
1745               <entry>-</entry>
1746             </row>
1747             <row>
1748               <entry><option>-unreg</option></entry>
1749               <entry>Enable unregisterised compilation</entry>
1750               <entry>static</entry>
1751               <entry>-</entry>
1752             </row>
1753           </tbody>
1754         </tgroup>
1755       </informaltable>
1756     </sect2>
1757
1758     <sect2>
1759       <title>Misc compiler options</title>
1760
1761       <informaltable>
1762         <tgroup cols="3" align="left" colsep="1" rowsep="1">
1763           <thead>
1764             <row>
1765               <entry>Flag</entry>
1766               <entry>Description</entry>
1767               <entry>Static/Dynamic</entry>
1768               <entry>Reverse</entry>
1769             </row>
1770           </thead>
1771           <tbody>
1772             <row>
1773               <entry><option>-femit-extern-decls</option></entry>
1774               <entry>???</entry>
1775               <entry>static</entry>
1776               <entry>-</entry>
1777             </row>
1778             <row>
1779               <entry><option>-fglobalise-toplev-names</option></entry>
1780               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1781               <entry>static</entry>
1782               <entry>-</entry>
1783             </row>
1784             <row>
1785               <entry><option>-fno-hi-version-check</option></entry>
1786               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1787               <entry>static</entry>
1788               <entry>-</entry>
1789             </row>
1790             <row>
1791               <entry><option>-dno-black-holing</option></entry>
1792               <entry>Turn off black holing (probably doesn't work)</entry>
1793               <entry>static</entry>
1794               <entry>-</entry>
1795             </row>
1796             <row>
1797               <entry><option>-fno-method-sharing</option></entry>
1798               <entry>Don't share specialisations of overloaded functions</entry>
1799               <entry>static</entry>
1800               <entry>-</entry>
1801             </row>
1802             <row>
1803               <entry><option>-fno-prune-decls</option></entry>
1804               <entry>Renamer: don't prune declarations</entry>
1805               <entry>static</entry>
1806               <entry>-</entry>
1807             </row>
1808             <row>
1809               <entry><option>-fhistory-size</option></entry>
1810               <entry>Set simplification history size</entry>
1811               <entry>static</entry>
1812               <entry>-</entry>
1813             </row>
1814             <row>
1815               <entry><option>-funregisterised</option></entry>
1816               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1817               <entry>static</entry>
1818               <entry>-</entry>
1819             </row>
1820             <row>
1821               <entry><option>-fno-asm-mangling</option></entry>
1822               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1823               <entry>static</entry>
1824               <entry>-</entry>
1825             </row>
1826           </tbody>
1827         </tgroup>
1828       </informaltable>
1829     </sect2>
1830   </sect1>
1831
1832
1833 <!--
1834 Still to document:
1835
1836 Misc:
1837   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1838   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1839
1840   -Bdir
1841 -->
1842
1843 <!-- Emacs stuff:
1844      ;;; Local Variables: ***
1845      ;;; mode: xml ***
1846      ;;; sgml-parent-document: ("users_guide.xml" "book" "chapter") ***
1847      ;;; End: ***
1848  -->