afd7622240d1b91622f426182981204932168235
[ghc-hetmet.git] / ghc / docs / users_guide / flags.sgml
1   <sect1 id="flag-reference">
2     <title>Flag reference</title>
3
4     <para>This section is a quick-reference for GHC's command-line
5     flags.  For each flag, we also list its static/dynamic status (see
6     <xref linkend="static-dynamic-flags">), and the flag's opposite
7     (if available).</para>
8
9     <sect2>
10       <title>Help and verbosity options (<xref linkend="options-help">)</title>
11
12       <informaltable>
13         <tgroup cols=3 align=left colsep=1 rowsep=1>
14           <thead>
15             <row>
16               <entry>Flag</entry>
17               <entry>Description</entry>
18               <entry>Static/Dynamic</entry>
19               <entry>Reverse</entry>
20             </row>
21           </thead>
22           <tbody>
23             <row>
24               <entry><option>-?</option></entry>
25               <entry>help</entry>
26               <entry>static</entry>
27               <entry>-</entry>
28             </row>
29             <row>
30               <entry><option>-help</option></entry>
31               <entry>help</entry>
32               <entry>static</entry>
33               <entry>-</entry>
34             </row>
35             <row>
36               <entry><option>-v</option></entry>
37               <entry>verbose mode (equivalent to <option>-v3</option>)</entry>
38               <entry>dynamic</entry>
39               <entry>-</entry>
40             </row>
41             <row>
42               <entry><option>-v</option><replaceable>n</replaceable></entry>
43               <entry>set verbosity level</entry>
44               <entry>dynamic</entry>
45               <entry>-</entry>
46             </row>
47             <row>
48               <entry><option>&ndash;&ndash;version</option></entry>
49               <entry>display GHC version</entry>
50               <entry>static</entry>
51               <entry>-</entry>
52             </row>
53             <row>
54               <entry><option>&ndash;&ndash;numeric-version</option></entry>
55               <entry>display GHC version (numeric only)</entry>
56               <entry>static</entry>
57               <entry>-</entry>
58             </row>
59             <row>
60               <entry><option>&ndash;&ndash;print-libdir</option></entry>
61               <entry>display GHC library directory</entry>
62               <entry>static</entry>
63               <entry>-</entry>
64             </row>
65           </tbody>
66         </tgroup>
67       </informaltable>
68
69     </sect2>
70     <sect2>
71       <title>Which phases to run (<xref linkend="options-order">)</title>
72       
73       <informaltable>
74         <tgroup cols=3 align=left colsep=1 rowsep=1>
75           <thead>
76             <row>
77               <entry>Flag</entry>
78               <entry>Description</entry>
79               <entry>Static/Dynamic</entry>
80               <entry>Reverse</entry>
81             </row>
82           </thead>
83           <tbody>
84             <row>
85               <entry><option>-E</option></entry>
86               <entry>Stop after preprocessing (<literal>.hspp</literal> file)</entry>
87               <entry>static</entry>
88               <entry>-</entry>
89             </row>
90             <row>
91               <entry><option>-C</option></entry>
92               <entry>Stop after generating C (<literal>.hc</literal> file)</entry>
93               <entry>static</entry>
94               <entry>-</entry>
95             </row>
96             <row>
97               <entry><option>-S</option></entry>
98               <entry>Stop after generating assembly (<literal>.s</literal> file)</entry>
99               <entry>static</entry>
100               <entry>-</entry>
101             </row>
102             <row>
103               <entry><option>-c</option></entry>
104               <entry>Stop after compiling to object code (<literal>.o</literal> file)</entry>
105               <entry>static</entry>
106               <entry>-</entry>
107             </row>
108           </tbody>
109         </tgroup>
110       </informaltable>
111     </sect2>
112
113     <sect2>
114       <title>Redirecting output (<xref linkend="options-output">)</title>
115       
116       <informaltable>
117         <tgroup cols=3 align=left colsep=1 rowsep=1>
118           <thead>
119             <row>
120               <entry>Flag</entry>
121               <entry>Description</entry>
122               <entry>Static/Dynamic</entry>
123               <entry>Reverse</entry>
124             </row>
125           </thead>
126           <tbody>
127             <row>
128               <entry><option>-hcsuf</option> <replaceable>suffix</replaceable></entry>
129               <entry>set the suffix to use for intermediate C files</entry>
130               <entry>static</entry>
131               <entry>-</entry>
132             </row>
133             <row>
134               <entry><option>-hidir</option> <replaceable>dir</replaceable></entry>
135               <entry>set directory for interface files</entry>
136               <entry>static</entry>
137               <entry>-</entry>
138             </row>
139             <row>
140               <entry><option>-hisuf</option> <replaceable>suffix</replaceable></entry>
141               <entry>set the suffix to use for interface files</entry>
142               <entry>static</entry>
143               <entry>-</entry>
144             </row>
145             <row>
146               <entry><option>-o</option> <replaceable>filename</replaceable></entry>
147               <entry>set output filename</entry>
148               <entry>static</entry>
149               <entry>-</entry>
150             </row>
151             <row>
152               <entry><option>-odir</option> <replaceable>dir</replaceable></entry>
153               <entry>set output directory</entry>
154               <entry>static</entry>
155               <entry>-</entry>
156             </row>
157             <row>
158               <entry><option>-ohi</option> <replaceable>filename</replaceable></entry>
159               <entry>set the filename in which to put the interface</entry>
160               <entry>static</entry>
161               <entry></entry>
162             </row>
163             <row>
164               <entry><option>-osuf</option> <replaceable>suffix</replaceable></entry>
165               <entry>set the output file suffix</entry>
166               <entry>static</entry>
167               <entry>-</entry>
168             </row>
169           </tbody>
170         </tgroup>
171       </informaltable>
172     </sect2>
173
174     <sect2>
175       <title>Keeping intermediate files (<xref linkend="keeping-intermediates">)</title>
176       
177       <informaltable>
178         <tgroup cols=3 align=left colsep=1 rowsep=1>
179           <thead>
180             <row>
181               <entry>Flag</entry>
182               <entry>Description</entry>
183               <entry>Static/Dynamic</entry>
184               <entry>Reverse</entry>
185             </row>
186           </thead>
187           <tbody>
188             <row>
189               <entry><option>-keep-hc-file</option></entry>
190               <entry>retain intermediate <literal>.hc</literal> files</entry>
191               <entry>static</entry>
192               <entry>-</entry>
193             </row>
194             <row>
195               <entry><option>-keep-s-file</option></entry>
196               <entry>retain intermediate <literal>.s</literal> files</entry>
197               <entry>static</entry>
198               <entry>-</entry>
199             </row>
200             <row>
201               <entry><option>-keep-raw-s-file</option></entry>
202               <entry>retain intermediate <literal>.raw_s</literal> files</entry>
203               <entry>static</entry>
204               <entry>-</entry>
205             </row>
206             <row>
207               <entry><option>-keep-tmp-files</option></entry>
208               <entry>retain all intermediate temporary files</entry>
209               <entry>static</entry>
210               <entry>-</entry>
211             </row>
212           </tbody>
213         </tgroup>
214       </informaltable>
215     </sect2>
216
217     <sect2>
218       <title>Temporary files (<xref linkend="temp-files">)</title>
219       
220       <informaltable>
221         <tgroup cols=3 align=left colsep=1 rowsep=1>
222           <thead>
223             <row>
224               <entry>Flag</entry>
225               <entry>Description</entry>
226               <entry>Static/Dynamic</entry>
227               <entry>Reverse</entry>
228             </row>
229           </thead>
230           <tbody>
231             <row>
232               <entry><option>-tmpdir</option></entry>
233               <entry>set the directory for temporary files</entry>
234               <entry>static</entry>
235               <entry>-</entry>
236             </row>
237           </tbody>
238         </tgroup>
239       </informaltable>
240     </sect2>
241
242     <sect2>
243       <title>Finding imports (<xref linkend="options-finding-imports">)</title>
244
245       <informaltable>
246         <tgroup cols=3 align=left colsep=1 rowsep=1>
247           <thead>
248             <row>
249               <entry>Flag</entry>
250
251               <entry>Description</entry>
252               <entry>Static/Dynamic</entry>
253               <entry>Reverse</entry>
254             </row>
255           </thead>
256           <tbody>
257             <row>
258               <entry><option>-i</option><replaceable>dir1</replaceable>:<replaceable>dir2</replaceable>:...</entry>
259               <entry>add <replaceable>dir</replaceable>,
260                   <replaceable>dir2</replaceable>, etc. to import path</entry>
261               <entry>static</entry>
262               <entry>-</entry>
263             </row>
264             <row>
265               <entry><option>-i</option></entry>
266               <entry>Empty the import directory list</entry>
267               <entry>static</entry>
268               <entry>-</entry>
269             </row>
270           </tbody>
271         </tgroup>
272       </informaltable>
273     </sect2>
274
275     <sect2>
276       <title>Interface file options (<xref linkend="hi-options">)</title>
277
278       <informaltable>
279         <tgroup cols=3 align=left colsep=1 rowsep=1>
280           <thead>
281             <row>
282               <entry>Flag</entry>
283
284               <entry>Description</entry>
285               <entry>Static/Dynamic</entry>
286               <entry>Reverse</entry>
287             </row>
288           </thead>
289           <tbody>
290             <row>
291               <entry><option>-ddump-hi</option></entry>
292               <entry>Dump the new interface to stdout</entry>
293               <entry>dynamic</entry>
294               <entry>-</entry>
295             </row>
296             <row>
297               <entry><option>-ddump-hi-diffs</option></entry>
298               <entry>Show the differences vs. the old interface</entry>
299               <entry>dynamic</entry>
300               <entry>-</entry>
301             </row>
302             <row>
303               <entry><option>-ddump-minimal-imports</option></entry>
304               <entry>Dump a minimal set of imports</entry>
305               <entry>dynamic</entry>
306               <entry>-</entry>
307             </row>
308             <row>
309               <entry><option>--show-iface</option> <replaceable>file</replaceable></entry>
310               <entry>Read the interface in
311               <replaceable>file</replaceable> and dump it as text to
312               <literal>stdout</literal>.</entry>
313               <entry>static</entry>
314               <entry>-</entry>
315             </row>
316           </tbody>
317         </tgroup>
318       </informaltable>
319     </sect2>
320     
321     <sect2>
322       <title>Recompilation checking (<xref linkend="recomp">)</title>
323
324       <informaltable>
325         <tgroup cols=3 align=left colsep=1 rowsep=1>
326           <thead>
327             <row>
328               <entry>Flag</entry>
329
330               <entry>Description</entry>
331               <entry>Static/Dynamic</entry>
332               <entry>Reverse</entry>
333             </row>
334           </thead>
335           <tbody>
336             <row>
337               <entry><option>-no-recomp</option></entry>
338               <entry>Turn off recompilation checking</entry>
339               <entry>static</entry>
340               <entry><option>-recomp</option></entry>
341             </row>
342           </tbody>
343         </tgroup>
344       </informaltable>
345     </sect2>
346
347     <sect2>
348       <title>Interactive-mode options (<xref linkend="ghci-dot-files">)</title>
349       
350       <informaltable>
351         <tgroup cols=3 align=left colsep=1 rowsep=1>
352           <thead>
353             <row>
354               <entry>Flag</entry>
355               <entry>Description</entry>
356               <entry>Static/Dynamic</entry>
357               <entry>Reverse</entry>
358             </row>
359           </thead>
360           <tbody>
361             <row>
362               <entry><option>-ignore-dot-ghci</option></entry>
363               <entry>Disable reading of <filename>.ghci</filename> files</entry>
364               <entry>static</entry>
365               <entry>-</entry>
366             </row>
367             <row>
368               <entry><option>-read-dot-ghci</option></entry>
369               <entry>Enable reading of <filename>.ghci</filename> files</entry>
370               <entry>static</entry>
371               <entry>-</entry>
372             </row>
373           </tbody>
374         </tgroup>
375       </informaltable>
376     </sect2>
377
378     <sect2>
379       <title>Packages (<xref linkend="packages">)</title>
380       <informaltable>
381         <tgroup cols=3 align=left colsep=1 rowsep=1>
382           <thead>
383             <row>
384               <entry>Flag</entry>
385               <entry>Description</entry>
386               <entry>Static/Dynamic</entry>
387               <entry>Reverse</entry>
388             </row>
389           </thead>
390           <tbody>
391             <row>
392               <entry><option>-package</option> <replaceable>name</replaceable></entry>
393               <entry>Use package <replaceable>name</replaceable></entry>
394               <entry>static</entry>
395               <entry>-</entry>
396             </row>
397             <row>
398               <entry><option>-package-conf</option> <replaceable>file</replaceable></entry>
399               <entry>Load more packages from <replaceable>file</replaceable></entry>
400               <entry>static</entry>
401               <entry>-</entry>
402             </row>
403             <row>
404               <entry><option>-package-name</option> <replaceable>name</replaceable></entry>
405               <entry>Compile code for package <replaceable>name</replaceable></entry>
406               <entry>static</entry>
407               <entry>-</entry>
408             </row>
409           </tbody>
410         </tgroup>
411       </informaltable>
412     </sect2>
413
414     <sect2>
415       <title>Language options (<xref linkend="options-language">)</title>
416
417       <informaltable>
418         <tgroup cols=3 align=left colsep=1 rowsep=1>
419           <thead>
420             <row>
421               <entry>Flag</entry>
422               <entry>Description</entry>
423               <entry>Static/Dynamic</entry>
424               <entry>Reverse</entry>
425             </row>
426           </thead>
427           <tbody>
428             <row>
429               <entry><option>-fallow-overlapping-instances</option></entry>
430               <entry></entry>
431               <entry>dynamic</entry>
432               <entry><option>-fno-allow-overlapping-instances</option></entry>
433             </row>
434             <row>
435               <entry><option>-fallow-undecidable-instances</option></entry>
436               <entry>Enable undecidable instances</entry>
437               <entry>dynamic</entry>
438               <entry><option>-fno-allow-undecidable-instances</option></entry>
439             </row>
440             <row>
441               <entry><option>-fgenerics</option></entry>
442               <entry>Enable generics</entry>
443               <entry>dynamic</entry>
444               <entry><option>-fno-fgenerics</option></entry>
445             </row>
446             <row>
447               <entry><option>-fglasgow-exts</option></entry>
448               <entry>Enable most language extensions</entry>
449               <entry>dynamic</entry>
450               <entry><option>-fno-glasgow-exts</option></entry>
451             </row>
452             <row>
453               <entry><option>-ffi</option> or <option>-fffi</option></entry>
454               <entry>Enable foreign function interface (implied by
455               <option>-fglasgow-exts</option>)</entry>
456               <entry>dynamic</entry>
457               <entry><option>-fno-ffi</option></entry>
458             </row>
459             <row>
460               <entry><option>-fwith</option></entry>
461               <entry>Enable deprecated <literal>with</literal> keyword</entry>
462               <entry>dynamic</entry>
463               <entry><option>-fno-with</option></entry>
464             </row>
465             <row>
466               <entry><option>-fignore-asserts</option></entry>
467               <entry>Ignore assertions</entry>
468               <entry>dynamic</entry>
469               <entry><option>-fno-ignore-asserts</option></entry>
470             </row>
471             <row>
472               <entry><option>-fno-implicit-prelude</option></entry>
473               <entry>Don't implicitly <literal>import Prelude</literal></entry>
474               <entry>dynamic</entry>
475               <entry>-</entry>
476             </row>
477             <row>
478               <entry><option>-fno-monomorphism-restriction</option></entry>
479               <entry>Disable the monomorphism restriction</entry>
480               <entry>dynamic</entry>
481               <entry><option>-</option></entry>
482             </row>
483             <row>
484               <entry><option>-firrefutable-tuples</option></entry>
485               <entry>Make tuple pattern matching irrefutable</entry>
486               <entry>dynamic</entry>
487               <entry><option>-fno-irrefutable-tuples</option></entry>
488             </row>
489             <row>
490               <entry><option>-fcontext-stack</option><replaceable>n</replaceable></entry>
491               <entry>set the limit for context reduction</entry>
492               <entry>dynamic</entry>
493               <entry><option>-</option></entry>
494             </row>
495           </tbody>
496         </tgroup>
497       </informaltable>
498     </sect2>
499
500     <sect2>
501       <title>Warnings (<xref linkend="options-sanity">)</title>
502       
503     <informaltable>
504       <tgroup cols=3 align=left colsep=1 rowsep=1>
505         <thead>
506           <row>
507             <entry>Flag</entry>
508             <entry>Description</entry>
509             <entry>Static/Dynamic</entry>
510             <entry>Reverse</entry>
511           </row>
512         </thead>
513         <tbody>
514           <row>
515             <entry><option>-W</option></entry>
516             <entry>enable normal warnings</entry>
517             <entry>dynamic</entry>
518             <entry><option>-w</option></entry>
519           </row>
520           <row>
521             <entry><option>-w</option></entry>
522             <entry>disable all warnings</entry>
523             <entry>dynamic</entry>
524             <entry>-</entry>
525           </row>
526           <row>
527             <entry><option>-Wall</option></entry>
528             <entry>enable all warnings</entry>
529             <entry>dynamic</entry>
530             <entry><option>-w</option></entry>
531           </row>
532           <row>
533             <entry><option>-Werror</option></entry>
534             <entry>make warnings fatal</entry>
535             <entry>dynamic</entry>
536             <entry></entry>
537           </row>
538
539           <row>
540             <entry><option>-fwarn-deprecations</option></entry>
541             <entry>warn about uses of functions & types that are deprecated</entry>
542             <entry>dynamic</entry>
543             <entry><option>-fno-warn-deprecations</option></entry>
544           </row>
545
546           <row>
547             <entry><option>-fwarn-duplicate-exports</option></entry>
548             <entry>warn when an entity is exported multiple times</entry>
549             <entry>dynamic</entry>
550             <entry><option>-fno-warn-duplicate-exports</option></entry>
551           </row>
552
553           <row>
554             <entry><option>-fwarn-hi-shadowing</option></entry>
555             <entry>warn when a <literal>.hi</literal> file in the
556             current directory shadows a library</entry>
557             <entry>dynamic</entry>
558             <entry><option>-fno-warn-hi-shadowing</option></entry>
559           </row>
560
561           <row>
562             <entry><option>-fwarn-incomplete-patterns</option></entry>
563             <entry>warn when a pattern match could fail</entry>
564             <entry>dynamic</entry>
565             <entry><option>-fno-warn-incomplete-patterns</option></entry>
566           </row>
567
568           <row>
569             <entry><option>-fwarn-misc</option></entry>
570             <entry>enable miscellaneous warnings</entry>
571             <entry>dynamic</entry>
572             <entry><option>-fno-warn-misc</option></entry>
573           </row>
574
575           <row>
576             <entry><option>-fwarn-missing-fields</option></entry>
577             <entry>warn when fields of a record are uninitialised</entry>
578             <entry>dynamic</entry>
579             <entry><option>-fno-warn-missing-fields</option></entry>
580           </row>
581
582           <row>
583             <entry><option>-fwarn-missing-methods</option></entry>
584             <entry>warn when class methods are undefined</entry>
585             <entry>dynamic</entry>
586             <entry><option>-fno-warn-missing-methods</option></entry>
587           </row>
588
589           <row>
590             <entry><option>-fwarn-missing-signatures</option></entry>
591             <entry>warn about top-level functions without signatures</entry>
592             <entry>dynamic</entry>
593             <entry><option>-fno-warn-missing-signatures</option></entry>
594           </row>
595
596           <row>
597             <entry><option>-fwarn-name-shadowing</option></entry>
598             <entry>warn when names are shadowed</entry>
599             <entry>dynamic</entry>
600             <entry><option>-fno-warn-name-shadowing</option></entry>
601           </row>
602
603           <row>
604             <entry><option>-fwarn-overlapping-patterns</option></entry>
605             <entry>warn about overlapping patterns</entry>
606             <entry>dynamic</entry>
607             <entry><option>-fno-warn-overlapping-patterns</option></entry>
608           </row>
609
610           <row>
611             <entry><option>-fwarn-simple-patterns</option></entry>
612             <entry>warn about lambda-patterns that can fail</entry>
613             <entry>dynamic</entry>
614             <entry><option>-fno-warn-simple-patterns</option></entry>
615           </row>
616
617           <row>
618             <entry><option>-fwarn-type-defaults</option></entry>
619             <entry>warn when defaulting happens</entry>
620             <entry>dynamic</entry>
621             <entry><option>-fno-warn-type-defaults</option></entry>
622           </row>
623
624           <row>
625             <entry><option>-fwarn-unused-binds</option></entry>
626             <entry>warn about bindings that are unused</entry>
627             <entry>dynamic</entry>
628             <entry><option>-fno-warn-unused-binds</option></entry>
629           </row>
630
631           <row>
632             <entry><option>-fwarn-unused-imports</option></entry>
633             <entry>warn about unnecessary imports</entry>
634             <entry>dynamic</entry>
635             <entry><option>-fno-warn-unused-imports</option></entry>
636           </row>
637
638           <row>
639             <entry><option>-fwarn-unused-matches</option></entry>
640             <entry>warn about variables in patterns that aren't used</entry>
641             <entry>dynamic</entry>
642             <entry><option>-fno-warn-unused-matches</option></entry>
643           </row>
644
645           </tbody>
646         </tgroup>
647       </informaltable>
648
649     </sect2>
650     <sect2>
651       <title>Optimisation levels (<xref linkend="options-optimise">)</title>
652
653       <informaltable>
654         <tgroup cols=3 align=left colsep=1 rowsep=1>
655           <thead>
656             <row>
657               <entry>Flag</entry>
658               <entry>Description</entry>
659               <entry>Static/Dynamic</entry>
660               <entry>Reverse</entry>
661             </row>
662           </thead>
663           <tbody>
664             <row>
665               <entry><option>-O</option></entry>
666               <entry>Enable default optimisation (level 1)</entry>
667               <entry>static</entry>
668               <entry><option>-O0</option></entry>
669             </row>
670             <row>
671               <entry><option>-O</option><replaceable>n</replaceable></entry>
672               <entry>Set optimisation level <replaceable>n</replaceable></entry>
673               <entry>static</entry>
674               <entry><option>-O0</option></entry>
675             </row>
676           </tbody>
677         </tgroup>
678       </informaltable>
679               
680     </sect2>
681     <sect2>
682       <title>Individual optimisations (<xref linkend="options-f">)</title>
683
684       <informaltable>
685         <tgroup cols=3 align=left colsep=1 rowsep=1>
686           <thead>
687             <row>
688               <entry>Flag</entry>
689               <entry>Description</entry>
690               <entry>Static/Dynamic</entry>
691               <entry>Reverse</entry>
692             </row>
693           </thead>
694           <tbody>
695             <row>
696               <entry><option>-fcase-merge</option></entry>
697               <entry>Enable case-merging</entry>
698               <entry>static</entry>
699               <entry><option>-fno-case-merge</option></entry>
700             </row>
701
702             <row>
703               <entry><option>-fdicts-strict</option></entry>
704               <entry>Make dictionaries strict</entry>
705               <entry>dynamic</entry>
706               <entry><option>-fno-dicts-strict</option></entry>
707             </row>
708
709             <row>
710               <entry><option>-fdo-eta-reduction</option></entry>
711               <entry>Enable eta-reduction</entry>
712               <entry>static</entry>
713               <entry><option>-fno-do-eta-reduction</option></entry>
714             </row>
715
716             <row>
717               <entry><option>-fdo-lambda-eta-expansion</option></entry>
718               <entry>Enable lambda eta-reduction</entry>
719               <entry>static</entry>
720               <entry><option>-fno-do-lambda-eta-expansion</option></entry>
721             </row>
722
723             <row>
724               <entry><option>-fexcess-precision</option></entry>
725               <entry>Enable excess intermediate precision</entry>
726               <entry>static</entry>
727               <entry><option>-fno-excess-precision</option></entry>
728             </row>
729
730             <row>
731               <entry><option>-frules-off</option></entry>
732               <entry>Switch off all rewrite rules</entry>
733               <entry>static</entry>
734               <entry><option>-frules-off</option></entry>
735             </row>
736
737             <row>
738               <entry><option>-fignore-asserts</option></entry>
739               <entry>Ignore assertions in the source</entry>
740               <entry>static</entry>
741               <entry><option>-fno-ignore-asserts</option></entry>
742             </row>
743
744             <row>
745               <entry><option>-fignore-interface-pragmas</option></entry>
746               <entry>Ignore pragmas in interface files</entry>
747               <entry>static</entry>
748               <entry><option>-fno-ignore-interface-pragmas</option></entry>
749             </row>
750
751             <row>
752               <entry><option>-flet-no-escape</option></entry>
753               <entry>Enable let-no-escape optimisation</entry>
754               <entry>static</entry>
755               <entry><option>-fno-let-no-escape</option></entry>
756             </row>
757
758             <row>
759               <entry><option>-fliberate-case-threshold</option></entry>
760               <entry>Tweak the liberate-case optimisation (default: 10)</entry>
761               <entry>static</entry>
762               <entry><option>-fno-liberate-case-threshold</option></entry>
763             </row>
764
765             <row>
766               <entry><option>-fomit-interface-pragmas</option></entry>
767               <entry>Don't generate interface pragmas</entry>
768               <entry>static</entry>
769               <entry><option>-fno-omit-interface-pragmas</option></entry>
770             </row>
771
772             <row>
773               <entry><option>-fmax-worker-args</option></entry>
774               <entry>If a worker has that many arguments, none will be
775                 unpacked anymore (default: 10)</entry>
776               <entry>static</entry>
777               <entry>-</entry>
778             </row>
779
780             <row>
781               <entry><option>-fmax-simplifier-iterations</option></entry>
782               <entry>Set the max iterations for the simplifier</entry>
783               <entry>static</entry>
784               <entry>-</entry>
785             </row>
786
787             <row>
788               <entry><option>-fno-cpr</option></entry>
789               <entry>Turn off CPR analysis</entry>
790               <entry>static</entry>
791               <entry>-</entry>
792             </row>
793
794             <row>
795               <entry><option>-fno-cse</option></entry>
796               <entry>Turn off common sub-expression</entry>
797               <entry>static</entry>
798               <entry>-</entry>
799             </row>
800
801             <row>
802               <entry><option>-fno-pre-inlining</option></entry>
803               <entry>Turn off pre-inlining</entry>
804               <entry>static</entry>
805               <entry>-</entry>
806             </row>
807
808             <row>
809               <entry><option>-fno-strictness</option></entry>
810               <entry>Turn off strictness analysis</entry>
811               <entry>static</entry>
812               <entry>-</entry>
813             </row>
814
815             <row>
816               <entry><option>-fnumbers-strict</option></entry>
817               <entry>Make numbers strict</entry>
818               <entry>dynamic</entry>
819               <entry><option>-fno-numbers-strict</option></entry>
820             </row>
821
822             <row>
823               <entry><option>-funbox-strict-fields</option></entry>
824               <entry>Flatten strict constructor fields</entry>
825               <entry>static</entry>
826               <entry><option>-fno-unbox-strict-fields</option></entry>
827             </row>
828
829             <row>
830               <entry><option>-funfolding-creation-threshold</option></entry>
831               <entry>Tweak unfolding settings</entry>
832               <entry>static</entry>
833               <entry><option>-fno-unfolding-creation-threshold</option></entry>
834             </row>
835
836             <row>
837               <entry><option>-funfolding-fun-discount</option></entry>
838               <entry>Tweak unfolding settings</entry>
839               <entry>static</entry>
840               <entry><option>-fno-unfolding-fun-discount</option></entry>
841             </row>
842
843             <row>
844               <entry><option>-funfolding-keeness-factor</option></entry>
845               <entry>Tweak unfolding settings</entry>
846               <entry>static</entry>
847               <entry><option>-fno-unfolding-keeness-factor</option></entry>
848             </row>
849
850             <row>
851               <entry><option>-funfolding-update-in-place</option></entry>
852               <entry>Tweak unfolding settings</entry>
853               <entry>static</entry>
854               <entry><option>-fno-unfolding-update-in-place</option></entry>
855             </row>
856
857             <row>
858               <entry><option>-funfolding-use-threshold</option></entry>
859               <entry>Tweak unfolding settings</entry>
860               <entry>static</entry>
861               <entry><option>-fno-unfolding-use-threshold</option></entry>
862             </row>
863
864             <row>
865               <entry><option>-fusagesp</option></entry>
866               <entry>Turn on UsageSP analysis</entry>
867               <entry>static</entry>
868               <entry><option>-fno-usagesp</option></entry>
869             </row>
870           </tbody>
871         </tgroup>
872       </informaltable>
873     </sect2>
874
875     <sect2>
876       <title>Profiling options (<xref linkend="profiling">)</title>
877
878       <informaltable>
879         <tgroup cols=3 align=left colsep=1 rowsep=1>
880           <thead>
881             <row>
882               <entry>Flag</entry>
883               <entry>Description</entry>
884               <entry>Static/Dynamic</entry>
885               <entry>Reverse</entry>
886             </row>
887           </thead>
888           <tbody>
889             <row>
890               <entry><option>-auto</option></entry>
891               <entry>Auto-add <literal>_scc_</literal>s to all
892               exported functions</entry>
893               <entry>static</entry>
894               <entry><option>-no-auto</option></entry>
895             </row>
896             <row>
897               <entry><option>-auto-all</option></entry>
898               <entry>Auto-add <literal>_scc_</literal>s to all
899               top-level functions</entry>
900               <entry>static</entry>
901               <entry><option>-no-auto-all</option></entry>
902             </row>
903             <row>
904               <entry><option>-auto-dicts</option></entry>
905               <entry>Auto-add <literal>_scc_</literal>s to all dictionaries</entry>
906               <entry>static</entry>
907               <entry><option>-no-auto-dicts</option></entry>
908             </row>
909             <row>
910               <entry><option>-caf-all</option></entry>
911               <entry>Auto-add <literal>_scc_</literal>s to all CAFs</entry>
912               <entry>static</entry>
913               <entry><option>-no-caf-all</option></entry>
914             </row>
915             <row>
916               <entry><option>-prof</option></entry>
917               <entry>Turn on profiling</entry>
918               <entry>static</entry>
919               <entry>-</entry>
920             </row>
921             <row>
922               <entry><option>-ticky</option></entry>
923               <entry>Turn on ticky-ticky profiling</entry>
924               <entry>static</entry>
925               <entry>-</entry>
926             </row>
927           </tbody>
928         </tgroup>
929       </informaltable>
930     </sect2>
931
932     <sect2>
933       <title>Parallelism options (<xref linkend="sec-using-parallel">)</title>
934
935       <informaltable>
936         <tgroup cols=3 align=left colsep=1 rowsep=1>
937           <thead>
938             <row>
939               <entry>Flag</entry>
940               <entry>Description</entry>
941               <entry>Static/Dynamic</entry>
942               <entry>Reverse</entry>
943             </row>
944           </thead>
945           <tbody>
946             <row>
947               <entry><option>-gransim</option></entry>
948               <entry>Enable GRANSIM</entry>
949               <entry>static</entry>
950               <entry>-</entry>
951             </row>
952             <row>
953               <entry><option>-parallel</option></entry>
954               <entry>Enable Parallel Haskell</entry>
955               <entry>static</entry>
956               <entry>-</entry>
957             </row>
958             <row>
959               <entry><option>-smp</option></entry>
960               <entry>Enable SMP support</entry>
961               <entry>static</entry>
962               <entry>-</entry>
963             </row>
964           </tbody>
965         </tgroup>
966       </informaltable>
967     </sect2>
968
969     <sect2>
970       <title>C pre-processor options (<xref linkend="c-pre-processor">)</title>
971
972       <informaltable>
973         <tgroup cols=3 align=left colsep=1 rowsep=1>
974           <thead>
975             <row>
976               <entry>Flag</entry>
977               <entry>Description</entry>
978               <entry>Static/Dynamic</entry>
979               <entry>Reverse</entry>
980             </row>
981           </thead>
982           <tbody>
983             <row>
984               <entry><option>-cpp</option></entry>
985               <entry>Run the C pre-processor on Haskell source files</entry>
986               <entry>dynamic</entry>
987               <entry>-</entry>
988             </row>
989             <row>
990               <entry><option>-D</option><replaceable>symbol</replaceable><optional>=<replaceable>value</replaceable></optional></entry>
991               <entry>Define a symbol in the C pre-processor</entry>
992               <entry>dynamic</entry>
993               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
994             </row>
995             <row>
996               <entry><option>-U</option><replaceable>symbol</replaceable></entry>
997               <entry>Undefine a symbol in the C pre-processor</entry>
998               <entry>dynamic</entry>
999               <entry>-</entry>
1000             </row>
1001             <row>
1002               <entry><option>-I</option><replaceable>dir</replaceable></entry>
1003               <entry>Add <replaceable>dir</replaceable> to the
1004               directory search list for <literal>#include</literal> files</entry>
1005               <entry>static</entry>
1006               <entry>-</entry>
1007             </row>
1008           </tbody>
1009         </tgroup>
1010       </informaltable>
1011     </sect2>
1012
1013     <sect2>
1014       <title>C compiler options (<xref linkend="options-C-compiler">)</title>
1015       <informaltable>
1016         <tgroup cols=3 align=left colsep=1 rowsep=1>
1017           <thead>
1018             <row>
1019               <entry>Flag</entry>
1020               <entry>Description</entry>
1021               <entry>Static/Dynamic</entry>
1022               <entry>Reverse</entry>
1023             </row>
1024           </thead>
1025           <tbody>
1026             <row>
1027               <entry><option>-#include</option> <replaceable>file</replaceable></entry>
1028               <entry>Include <replaceable>file</replaceable> when
1029               compiling the <filename>.hc</filename> file</entry>
1030               <entry>dynamic</entry>
1031               <entry>-</entry>
1032             </row>
1033           </tbody>
1034         </tgroup>
1035       </informaltable>
1036     </sect2>
1037
1038     <sect2>
1039       <title>Code generation options (<xref linkend="options-codegen">)</title>
1040
1041       <informaltable>
1042         <tgroup cols=3 align=left colsep=1 rowsep=1>
1043           <thead>
1044             <row>
1045               <entry>Flag</entry>
1046               <entry>Description</entry>
1047               <entry>Static/Dynamic</entry>
1048               <entry>Reverse</entry>
1049             </row>
1050           </thead>
1051           <tbody>
1052             <row>
1053               <entry><option>-fasm</option></entry>
1054               <entry>Use the native code generator</entry>
1055               <entry>dynamic</entry>
1056               <entry>-fvia-C</entry>
1057             </row>
1058             <row>
1059               <entry><option>-fvia-C</option></entry>
1060               <entry>Compile via C</entry>
1061               <entry>dynamic</entry>
1062               <entry>-fasm</entry>
1063             </row>
1064             <row>
1065               <entry><option>-fno-code</option></entry>
1066               <entry>Omit code generation</entry>
1067               <entry>static</entry>
1068               <entry>-</entry>
1069             </row>
1070           </tbody>
1071         </tgroup>
1072       </informaltable>
1073     </sect2>
1074
1075     <sect2>
1076       <title>Linking options (<xref linkend="options-linker">)</title>
1077
1078       <informaltable>
1079         <tgroup cols=3 align=left colsep=1 rowsep=1>
1080           <thead>
1081             <row>
1082               <entry>Flag</entry>
1083               <entry>Description</entry>
1084               <entry>Static/Dynamic</entry>
1085               <entry>Reverse</entry>
1086             </row>
1087           </thead>
1088           <tbody>
1089             <row>
1090               <entry><option>-dynamic</option></entry>
1091               <entry>Use dynamic Haskell libraries (if available)</entry>
1092               <entry>static</entry>
1093               <entry>-</entry>
1094             </row>
1095             <row>
1096               <entry><option>-l</option><replaceable>lib</replaceable></entry>
1097               <entry>Link in library <replaceable>lib</replaceable></entry>
1098               <entry>static</entry>
1099               <entry>-</entry>
1100             </row>
1101             <row>
1102               <entry><option>-L</option><replaceable>dir</replaceable></entry>
1103               <entry>Add <replaceable>dir</replaceable> to the list of
1104               directories searched for libraries</entry>
1105               <entry>static</entry>
1106               <entry>-</entry>
1107             </row>
1108             <row>
1109               <entry><option>-no-link</option></entry>
1110               <entry>Omit linking</entry>
1111               <entry>static</entry>
1112               <entry>-</entry>
1113             </row>
1114             <row>
1115               <entry><option>-package</option> <replaceable>name</replaceable></entry>
1116               <entry>Link in package <replaceable>name</replaceable></entry>
1117               <entry>static</entry>
1118               <entry>-</entry>
1119             </row>
1120             <row>
1121               <entry><option>-framework</option> <replaceable>name</replaceable></entry>
1122               <entry>On Darwin/MacOS X only, link in the framework <replaceable>name</replaceable>.
1123                 This option corresponds to the <option>-framework</option> option for Apple's Linker.</entry>
1124               <entry>static</entry>
1125               <entry>-</entry>
1126             </row>
1127             <row>
1128               <entry><option>-framework-path</option> <replaceable>name</replaceable></entry>
1129               <entry>On Darwin/MacOS X only, add <replaceable>dir</replaceable> to the list of
1130                 directories searched for frameworks.
1131                 This option corresponds to the <option>-F</option> option for Apple's Linker.</entry>
1132               <entry>static</entry>
1133               <entry>-</entry>
1134             </row>
1135             <row>
1136               <entry><option>-split-objs</option></entry>
1137               <entry>Split objects (for libraries)</entry>
1138               <entry>static</entry>
1139               <entry>-</entry>
1140             </row>
1141             <row>
1142               <entry><option>-static</option></entry>
1143               <entry>Use static Haskell libraries</entry>
1144               <entry>static</entry>
1145               <entry>-</entry>
1146             </row>
1147             <row>
1148               <entry><option>-no-hs-main</option></entry>
1149               <entry>Don't asssume this program contains <literal>main</literal></entry>
1150               <entry>static</entry>
1151               <entry>-</entry>
1152             </row>
1153           </tbody>
1154         </tgroup>
1155       </informaltable>
1156     </sect2>
1157
1158     <sect2>
1159       <title>Replacing phases (<xref linkend="replacing-phases">)</title>
1160
1161       <informaltable>
1162         <tgroup cols=3 align=left colsep=1 rowsep=1>
1163           <thead>
1164             <row>
1165               <entry>Flag</entry>
1166               <entry>Description</entry>
1167               <entry>Static/Dynamic</entry>
1168               <entry>Reverse</entry>
1169             </row>
1170           </thead>
1171           <tbody>
1172             <row>
1173               <entry><option>-pgmL</option> <replaceable>cmd</replaceable></entry>
1174               <entry>Use <replaceable>cmd</replaceable> as the literate pre-processor</entry>
1175               <entry>static</entry>
1176               <entry>-</entry>
1177             </row>
1178             <row>
1179               <entry><option>-pgmP</option> <replaceable>cmd</replaceable></entry>
1180               <entry>Use <replaceable>cmd</replaceable> as the C
1181               pre-processor (with <option>-cpp</option> only)</entry>
1182               <entry>static</entry> <entry>-</entry>
1183             </row>
1184             <row>
1185               <entry><option>-pgmc</option> <replaceable>cmd</replaceable></entry>
1186               <entry>Use <replaceable>cmd</replaceable> as the C compiler</entry>
1187               <entry>static</entry>
1188               <entry>-</entry>
1189             </row>
1190             <row>
1191               <entry><option>-pgma</option> <replaceable>cmd</replaceable></entry>
1192               <entry>Use <replaceable>cmd</replaceable> as the assembler</entry>
1193               <entry>static</entry>
1194               <entry>-</entry>
1195             </row>
1196             <row>
1197               <entry><option>-pgml</option> <replaceable>cmd</replaceable></entry>
1198               <entry>Use <replaceable>cmd</replaceable> as the linker</entry>
1199               <entry>static</entry>
1200               <entry>-</entry>
1201             </row>
1202             <row>
1203               <entry><option>-pgmdll</option> <replaceable>cmd</replaceable></entry>
1204               <entry>Use <replaceable>cmd</replaceable> as the DLL generator</entry>
1205               <entry>static</entry>
1206               <entry>-</entry>
1207             </row>
1208             <row>
1209               <entry><option>-pgmdep</option> <replaceable>cmd</replaceable></entry>
1210               <entry>Use <replaceable>cmd</replaceable> as the dependency generator</entry>
1211               <entry>static</entry>
1212               <entry>-</entry>
1213             </row>
1214             <row>
1215               <entry><option>-pgmF</option> <replaceable>cmd</replaceable></entry>
1216               <entry>Use <replaceable>cmd</replaceable> as the pre-processor
1217               (with <option>-F</option> only)</entry>
1218               <entry>static</entry>
1219               <entry>-</entry>
1220             </row>
1221           </tbody>
1222         </tgroup>
1223       </informaltable>
1224       <indexterm><primary><option>-pgmL</option></primary></indexterm>
1225       <indexterm><primary><option>-pgmP</option></primary></indexterm>
1226       <indexterm><primary><option>-pgmc</option></primary></indexterm>
1227       <indexterm><primary><option>-pgma</option></primary></indexterm>
1228       <indexterm><primary><option>-pgml</option></primary></indexterm>
1229       <indexterm><primary><option>-pgmdll</option></primary></indexterm>
1230       <indexterm><primary><option>-pgmdep</option></primary></indexterm>
1231       <indexterm><primary><option>-pgmF</option></primary></indexterm>
1232
1233     </sect2>
1234
1235     <sect2>
1236       <title>Forcing options to particular phases (<xref linkend="forcing-options-through">)</title>
1237
1238       <informaltable>
1239         <tgroup cols=3 align=left colsep=1 rowsep=1>
1240           <thead>
1241             <row>
1242               <entry>Flag</entry>
1243               <entry>Description</entry>
1244               <entry>Static/Dynamic</entry>
1245               <entry>Reverse</entry>
1246             </row>
1247           </thead>
1248           <tbody>
1249             <row>
1250               <entry><option>-optL</option> <replaceable>option</replaceable></entry>
1251               <entry>pass <replaceable>option</replaceable> to the literate pre-processor</entry>
1252               <entry>dynamic</entry>
1253               <entry>-</entry>
1254             </row>
1255             <row>
1256               <entry><option>-optP</option> <replaceable>option</replaceable></entry>
1257               <entry>pass <replaceable>option</replaceable> to cpp (with
1258               <option>-cpp</option> only)</entry>
1259               <entry>dynamic</entry>
1260               <entry>-</entry>
1261             </row>
1262             <row>
1263               <entry><option>-optc</option> <replaceable>option</replaceable></entry>
1264               <entry>pass <replaceable>option</replaceable> to the C compiler</entry>
1265               <entry>dynamic</entry>
1266               <entry>-</entry>
1267             </row>
1268             <row>
1269               <entry><option>-opta</option> <replaceable>option</replaceable></entry>
1270               <entry>pass <replaceable>option</replaceable> to the assembler</entry>
1271               <entry>dynamic</entry>
1272               <entry>-</entry>
1273             </row>
1274             <row>
1275               <entry><option>-optl</option> <replaceable>option</replaceable></entry>
1276               <entry>pass <replaceable>option</replaceable> to the linker</entry>
1277               <entry>static</entry>
1278               <entry>-</entry>
1279             </row>
1280             <row>
1281               <entry><option>-optdll</option> <replaceable>option</replaceable></entry>
1282               <entry>pass <replaceable>option</replaceable> to the DLL generator</entry>
1283               <entry>static</entry>
1284               <entry>-</entry>
1285             </row>
1286             <row>
1287               <entry><option>-optdep</option> <replaceable>option</replaceable></entry>
1288               <entry>pass <replaceable>option</replaceable> to the dependency generator</entry>
1289               <entry>static</entry>
1290               <entry>-</entry>
1291             </row>
1292           </tbody>
1293         </tgroup>
1294       </informaltable>
1295     </sect2>
1296
1297     <sect2>
1298       <title>Platform-specific options (<xref linkend="options-platform">)</title>
1299       
1300       <informaltable>
1301         <tgroup cols=3 align=left colsep=1 rowsep=1>
1302           <thead>
1303             <row>
1304               <entry>Flag</entry>
1305               <entry>Description</entry>
1306               <entry>Static/Dynamic</entry>
1307               <entry>Reverse</entry>
1308             </row>
1309           </thead>
1310           <tbody>
1311             <row>
1312               <entry><option>-mv8</option></entry>
1313               <entry>(SPARC only) enable version 8 support</entry>
1314               <entry>static</entry>
1315               <entry>-</entry>
1316             </row>
1317             <row>
1318               <entry><option>-monly-[32]-regs</option></entry>
1319               <entry>(x86 only) give some registers back to the C compiler</entry>
1320               <entry>dynamic</entry>
1321               <entry>-</entry>
1322             </row>
1323           </tbody>
1324         </tgroup>
1325       </informaltable>
1326     </sect2>
1327
1328          
1329     <sect2>
1330       <title>External core file options (<xref linkend="ext-core">)</title>
1331
1332       <informaltable>
1333         <tgroup cols=3 align=left colsep=1 rowsep=1>
1334           <thead>
1335             <row>
1336               <entry>Flag</entry>
1337               <entry>Description</entry>
1338               <entry>Static/Dynamic</entry>
1339               <entry>Reverse</entry>
1340             </row>
1341           </thead>
1342           <tbody>
1343             <row>
1344               <entry><option>-fext-core</option></entry>
1345               <entry>Generate <filename>.hcr</filename> external Core files</entry>
1346               <entry>static</entry>
1347               <entry>-</entry>
1348             </row>
1349           </tbody>
1350         </tgroup>
1351       </informaltable>
1352     </sect2>
1353         
1354
1355     <sect2>
1356       <title>Compiler debugging options (<xref linkend="options-debugging">)</title>
1357
1358       <informaltable>
1359         <tgroup cols=3 align=left colsep=1 rowsep=1>
1360           <thead>
1361             <row>
1362               <entry>Flag</entry>
1363               <entry>Description</entry>
1364               <entry>Static/Dynamic</entry>
1365               <entry>Reverse</entry>
1366             </row>
1367           </thead>
1368           <tbody>
1369             <row>
1370               <entry><option>-dcore-lint</option></entry>
1371               <entry>Turn on internal sanity checking</entry>
1372               <entry>dynamic</entry>
1373               <entry>-</entry>
1374             </row>
1375             <row>
1376               <entry><option>-ddump-absC</option></entry>
1377               <entry>Dump abstract C</entry>
1378               <entry>dynamic</entry>
1379               <entry>-</entry>
1380             </row>
1381             <row>
1382               <entry><option>-ddump-asm</option></entry>
1383               <entry>Dump assembly</entry>
1384               <entry>dynamic</entry>
1385               <entry>-</entry>
1386             </row>
1387             <row>
1388               <entry><option>-ddump-bcos</option></entry>
1389               <entry>Dump interpreter byte code</entry>
1390               <entry>dynamic</entry>
1391               <entry>-</entry>
1392             </row>
1393             <row>
1394               <entry><option>-ddump-cpranal</option></entry>
1395               <entry>Dump output from CPR analysis</entry>
1396               <entry>dynamic</entry>
1397               <entry>-</entry>
1398             </row>
1399             <row>
1400               <entry><option>-ddump-cse</option></entry>
1401               <entry>Dump CSE output</entry>
1402               <entry>dynamic</entry>
1403               <entry>-</entry>
1404             </row>
1405             <row>
1406               <entry><option>-ddump-deriv</option></entry>
1407               <entry>Dump deriving output</entry>
1408               <entry>dynamic</entry>
1409               <entry>-</entry>
1410             </row>
1411             <row>
1412               <entry><option>-ddump-ds</option></entry>
1413               <entry>Dump desugarer output</entry>
1414               <entry>dynamic</entry>
1415               <entry>-</entry>
1416             </row>
1417             <row>
1418               <entry><option>-ddump-flatC</option></entry>
1419               <entry>Dump &ldquo;flat&rdquo; C</entry>
1420               <entry>dynamic</entry>
1421               <entry>-</entry>
1422             </row>
1423             <row>
1424               <entry><option>-ddump-foreign</option></entry>
1425               <entry>Dump <literal>foreign export</literal> stubs</entry>
1426               <entry>dynamic</entry>
1427               <entry>-</entry>
1428             </row>
1429             <row>
1430               <entry><option>-ddump-inlinings</option></entry>
1431               <entry>Dump inlining info</entry>
1432               <entry>dynamic</entry>
1433               <entry>-</entry>
1434             </row>
1435             <row>
1436               <entry><option>-ddump-occur-anal</option></entry>
1437               <entry>Dump occurrence analysis output</entry>
1438               <entry>dynamic</entry>
1439               <entry>-</entry>
1440             </row>
1441             <row>
1442               <entry><option>-ddump-parsed</option></entry>
1443               <entry>Dump parse tree</entry>
1444               <entry>dynamic</entry>
1445               <entry>-</entry>
1446             </row>
1447             <row>
1448               <entry><option>-ddump-realC</option></entry>
1449               <entry>Dump &ldquo;real&rdquo; C</entry>
1450               <entry>dynamic</entry>
1451               <entry>-</entry>
1452             </row>
1453             <row>
1454               <entry><option>-ddump-rn</option></entry>
1455               <entry>Dump renamer output</entry>
1456               <entry>dynamic</entry>
1457               <entry>-</entry>
1458             </row>
1459             <row>
1460               <entry><option>-ddump-rules</option></entry>
1461               <entry>Dump rules</entry>
1462               <entry>dynamic</entry>
1463               <entry>-</entry>
1464             </row>
1465             <row>
1466               <entry><option>-ddump-sat</option></entry>
1467               <entry>Dump saturated output</entry>
1468               <entry>dynamic</entry>
1469               <entry>-</entry>
1470             </row>
1471             <row>
1472               <entry><option>-ddump-simpl</option></entry>
1473               <entry>Dump final simplifier output</entry>
1474               <entry>dynamic</entry>
1475               <entry>-</entry>
1476             </row>
1477             <row>
1478               <entry><option>-ddump-simpl-iterations</option></entry>
1479               <entry>Dump output from each simplifier iteration</entry>
1480               <entry>dynamic</entry>
1481               <entry>-</entry>
1482             </row>
1483             <row>
1484               <entry><option>-ddump-spec</option></entry>
1485               <entry>Dump specialiser output</entry>
1486               <entry>dynamic</entry>
1487               <entry>-</entry>
1488             </row>
1489             <row>
1490               <entry><option>-ddump-stg</option></entry>
1491               <entry>Dump final STG</entry>
1492               <entry>dynamic</entry>
1493               <entry>-</entry>
1494             </row>
1495             <row>
1496               <entry><option>-ddump-stranal</option></entry>
1497               <entry>Dump strictness analyser output</entry>
1498               <entry>dynamic</entry>
1499               <entry>-</entry>
1500             </row>
1501             <row>
1502               <entry><option>-ddump-tc</option></entry>
1503               <entry>Dump typechecker output</entry>
1504               <entry>dynamic</entry>
1505               <entry>-</entry>
1506             </row>
1507             <row>
1508               <entry><option>-ddump-types</option></entry>
1509               <entry>Dump type signatures</entry>
1510               <entry>dynamic</entry>
1511               <entry>-</entry>
1512             </row>
1513             <row>
1514               <entry><option>-ddump-usagesp</option></entry>
1515               <entry>Dump UsageSP analysis output</entry>
1516               <entry>dynamic</entry>
1517               <entry>-</entry>
1518             </row>
1519             <row>
1520               <entry><option>-ddump-worker-wrapper</option></entry>
1521               <entry>Dump worker-wrapper output</entry>
1522               <entry>dynamic</entry>
1523               <entry>-</entry>
1524             </row>
1525             <row>
1526               <entry><option>-ddump-rn-trace</option></entry>
1527               <entry>Trace renamer</entry>
1528               <entry>dynamic</entry>
1529               <entry>-</entry>
1530             </row>
1531             <row>
1532               <entry><option>-ddump-rn-stats</option></entry>
1533               <entry>Renamer stats</entry>
1534               <entry>dynamic</entry>
1535               <entry>-</entry>
1536             </row>
1537             <row>
1538               <entry><option>-ddump-stix</option></entry>
1539               <entry>Native code generator intermediate form</entry>
1540               <entry>dynamic</entry>
1541               <entry>-</entry>
1542             </row>
1543             <row>
1544               <entry><option>-ddump-simpl-stats</option></entry>
1545               <entry>Dump simplifier stats</entry>
1546               <entry>dynamic</entry>
1547               <entry>-</entry>
1548             </row>
1549             <row>
1550               <entry><option>-dppr-debug</option></entry>
1551               <entry>Turn on debug printing (more verbose)</entry>
1552               <entry>static</entry>
1553               <entry>-</entry>
1554             </row>
1555             <row>
1556               <entry><option>-dppr-noprags</option></entry>
1557               <entry>Don't output pragma info in dumps</entry>
1558               <entry>static</entry>
1559               <entry>-</entry>
1560             </row>
1561             <row>
1562               <entry><option>-dppr-user-length</option></entry>
1563               <entry>Set the depth for printing expressions in error msgs</entry>
1564               <entry>static</entry>
1565               <entry>-</entry>
1566             </row>
1567             <row>
1568               <entry><option>-dsource-stats</option></entry>
1569               <entry>Dump haskell source stats</entry>
1570               <entry>dynamic</entry>
1571               <entry>-</entry>
1572             </row>
1573             <row>
1574               <entry><option>-dstg-lint</option></entry>
1575               <entry>STG pass sanity checking</entry>
1576               <entry>dynamic</entry>
1577               <entry>-</entry>
1578             </row>
1579             <row>
1580               <entry><option>-dstg-stats</option></entry>
1581               <entry>Dump STG stats</entry>
1582               <entry>dynamic</entry>
1583               <entry>-</entry>
1584             </row>
1585             <row>
1586               <entry><option>-dusagesp-lint</option></entry>
1587               <entry>UsageSP sanity checker</entry>
1588               <entry>dynamic</entry>
1589               <entry>-</entry>
1590             </row>
1591             <row>
1592               <entry><option>-dverbose-core2core</option></entry>
1593               <entry>Show output from each core-to-core pass</entry>
1594               <entry>dynamic</entry>
1595               <entry>-</entry>
1596             </row>
1597             <row>
1598               <entry><option>-dverbose-stg2stg</option></entry>
1599               <entry>Show output from each STG-to-STG pass</entry>
1600               <entry>dynamic</entry>
1601               <entry>-</entry>
1602             </row>
1603             <row>
1604               <entry><option>-unreg</option></entry>
1605               <entry>Enable unregisterised compilation</entry>
1606               <entry>static</entry>
1607               <entry>-</entry>
1608             </row>
1609           </tbody>
1610         </tgroup>
1611       </informaltable>
1612     </sect2>
1613       
1614     <sect2>
1615       <title>Misc compiler options</title>
1616
1617       <informaltable>
1618         <tgroup cols=3 align=left colsep=1 rowsep=1>
1619           <thead>
1620             <row>
1621               <entry>Flag</entry>
1622               <entry>Description</entry>
1623               <entry>Static/Dynamic</entry>
1624               <entry>Reverse</entry>
1625             </row>
1626           </thead>
1627           <tbody>
1628             <row>
1629               <entry><option>-funfold-casms-in-hi-file</option></entry>
1630               <entry>Allow casms in unfoldings</entry>
1631               <entry>static</entry>
1632               <entry>-</entry>
1633             </row>
1634             <row>
1635               <entry><option>-femit-extern-decls</option></entry>
1636               <entry>???</entry>
1637               <entry>static</entry>
1638               <entry>-</entry>
1639             </row>
1640             <row>
1641               <entry><option>-fglobalise-toplev-names</option></entry>
1642               <entry>Make all top-level names global (for <option>-split-objs</option>)</entry>
1643               <entry>static</entry>
1644               <entry>-</entry>
1645             </row>
1646             <row>
1647               <entry><option>-fno-hi-version-check</option></entry>
1648               <entry>Don't complain about <literal>.hi</literal> file mismatches</entry>
1649               <entry>static</entry>
1650               <entry>-</entry>
1651             </row>
1652             <row>
1653               <entry><option>-dno-black-holing</option></entry>
1654               <entry>Turn off black holing (probably doesn't work)</entry>
1655               <entry>static</entry>
1656               <entry>-</entry>
1657             </row>
1658             <row>
1659               <entry><option>-fno-method-sharing</option></entry>
1660               <entry>Don't share specialisations of overloaded functions</entry>
1661               <entry>static</entry>
1662               <entry>-</entry>
1663             </row>
1664             <row>
1665               <entry><option>-fno-prune-decls</option></entry>
1666               <entry>Renamer: don't prune declarations</entry>
1667               <entry>static</entry>
1668               <entry>-</entry>
1669             </row>
1670             <row>
1671               <entry><option>-fno-prune-tydecls</option></entry>
1672               <entry>Renamer: don't prune type declarations</entry>
1673               <entry>static</entry>
1674               <entry>-</entry>
1675             </row>
1676             <row>
1677               <entry><option>-fhistory-size</option></entry>
1678               <entry>Set simplification history size</entry>
1679               <entry>static</entry>
1680               <entry>-</entry>
1681             </row>
1682             <row>
1683               <entry><option>-funregisterised</option></entry>
1684               <entry>Unregisterised compilation (use <option>-unreg</option> instead)</entry>
1685               <entry>static</entry>
1686               <entry>-</entry>
1687             </row>
1688             <row>
1689               <entry><option>-fno-asm-mangling</option></entry>
1690               <entry>Turn off assembly mangling (use <option>-unreg</option> instead)</entry>
1691               <entry>static</entry>
1692               <entry>-</entry>
1693             </row>
1694           </tbody>
1695         </tgroup>
1696       </informaltable>
1697     </sect2>
1698   </sect1>
1699
1700
1701 <!--
1702 Still to document:
1703
1704 Misc:
1705   ,  ( "H"                 , HasArg (setHeapSize . fromIntegral . decodeSize) )
1706   ,  ( "Rghc-timing"       , NoArg  (enableTimingStats) )
1707
1708   -Bdir
1709 -->
1710
1711 <!-- Emacs stuff:
1712      ;;; Local Variables: ***
1713      ;;; mode: sgml ***
1714      ;;; sgml-parent-document: ("users_guide.sgml" "book" "chapter") ***
1715      ;;; End: ***
1716  -->