[project @ 2003-08-16 11:19:07 by igloo]
[ghc-hetmet.git] / configure.in
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
3 dnl  (or some such) to see the outline of this file)
4 dnl
5 #
6 # (c) The AQUA Project, Glasgow University, 1994-1998
7 #
8 # Configure script template for the Glasgow functional programming tools
9 #
10 # Process with 'autoconf' to get a working configure script.
11 #
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
14 #
15
16 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
18
19 dnl * We require autoconf version 2.53 due to the use of AC_SYS_LARGEFILE
20 AC_PREREQ(2.52)
21
22 dnl * Declare subdirectories that have a private configure script
23 dnl
24 dnl After the toplevel configuration is complete, the script will recurse into
25 dnl these subdirectories (the use of cache values makes repeated checks cheap)
26 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
27 AC_CONFIG_SUBDIRS(ghc)
28
29 # -------------------------------------------------------------------------
30 # Prepare to generate the following header files
31 #
32 #
33 AC_CONFIG_HEADER(mk/config.h)
34
35 # No, semi-sadly, we don't do `--srcdir'...
36 if test x"$srcdir" != 'x.' ; then
37     echo "This configuration does not support the \`--srcdir' option.."
38     exit 1
39 fi
40
41 dnl--------------------------------------------------------------------
42 dnl * Choose host(/target/build) platform
43 dnl--------------------------------------------------------------------
44
45 dnl Guess host/target/build platform(s) if necessary.
46 AC_CANONICAL_SYSTEM
47
48 # "$host" defaults to "$target"
49 if test "x$host" = xNONE ; then
50     host=$target
51 fi
52
53 dnl ** canonicalize platform names
54 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
55 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
56 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
57
58 if test x"$TargetPlatform" != x"$HostPlatform" ; then
59     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
60     exit 1
61 fi
62
63 exeext=''
64 #
65 # The following will be more difficult when we *are* cross-compiling.
66 # Suitable names to slam in *_CPP are in platform.h.in.
67 # We also record the architecture, vendor, and operating system (OS)
68 # separately.
69 case $HostPlatform in
70 alpha*-dec-osf[[12]]*)
71         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
72         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
73         BuildPlatform=alpha-dec-osf1  # hack
74         HostPlatform_CPP='alpha_dec_osf1'
75         HostArch_CPP='alpha'
76         HostVendor_CPP='dec'
77         HostOS_CPP='osf1'
78         ;;
79 alpha*-dec-osf[[345]]*)
80         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
81         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
82         BuildPlatform=alpha-dec-osf3  # hack
83         HostPlatform_CPP='alpha_dec_osf3'
84         HostArch_CPP='alpha'
85         HostVendor_CPP='dec'
86         HostOS_CPP='osf3'
87         ;;
88 alpha*-unknown-linux*)
89         HostPlatform=alpha-unknown-linux
90         TargetPlatform=alpha-unknown-linux
91         BuildPlatform=alpha-unknown-linux
92         HostPlatform_CPP='alpha_unknown_linux'
93         HostArch_CPP='alpha'
94         HostVendor_CPP='unknown'
95         HostOS_CPP='linux'
96         ;;
97 alpha*-unknown-freebsd*)
98         HostPlatform=alpha-unknown-freebsd
99         TargetPlatform=alpha-unknown-freebsd
100         BuildPlatform=alpha-unknown-freebsd
101         HostPlatform_CPP='alpha_unknown_freebsd'
102         HostArch_CPP='alpha'
103         HostVendor_CPP='unknown'
104         HostOS_CPP='freebsd'
105         ;;
106 hppa1.1-hp-hpux*)
107         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
108         TargetPlatform=hppa1.1-hp-hpux
109         BuildPlatform=hppa1.1-hp-hpux
110         HostPlatform_CPP='hppa1_1_hp_hpux'
111         HostArch_CPP='hppa1_1'
112         HostVendor_CPP='hp'
113         HostOS_CPP='hpux'
114         ;;
115 i[[3456]]86-*-linuxaout*)
116         HostPlatform=i386-unknown-linuxaout   # hack again
117         TargetPlatform=i386-unknown-linuxaout
118         BuildPlatform=i386-unknown-linuxaout
119         HostPlatform_CPP='i386_unknown_linuxaout'
120         HostArch_CPP='i386'
121         HostVendor_CPP='unknown'
122         HostOS_CPP='linuxaout'
123         ;;
124 i[[3456]]86-*-linux*)
125         HostPlatform=i386-unknown-linux # hack again
126         TargetPlatform=i386-unknown-linux
127         BuildPlatform=i386-unknown-linux
128         HostPlatform_CPP='i386_unknown_linux'
129         HostArch_CPP='i386'
130         HostVendor_CPP='unknown'
131         HostOS_CPP='linux'
132         ;;
133 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
134         HostPlatform=i386-unknown-freebsd # hack again
135         TargetPlatform=i386-unknown-freebsd
136         BuildPlatform=i386-unknown-freebsd
137         HostPlatform_CPP='i386_unknown_freebsd'
138         HostArch_CPP='i386'
139         HostVendor_CPP='unknown'
140         HostOS_CPP='freebsd'
141         ;;
142 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
143         HostPlatform=i386-unknown-freebsd2 # hack again
144         TargetPlatform=i386-unknown-freebsd2
145         BuildPlatform=i386-unknown-freebsd2
146         HostPlatform_CPP='i386_unknown_freebsd2'
147         HostArch_CPP='i386'
148         HostVendor_CPP='unknown'
149         HostOS_CPP='freebsd2'
150         ;;
151 i[[3456]]86-*-netbsd*)
152         HostPlatform=i386-unknown-netbsd # hack again
153         TargetPlatform=i386-unknown-netbsd
154         BuildPlatform=i386-unknown-netbsd
155         HostPlatform_CPP='i386_unknown_netbsd'
156         HostArch_CPP='i386'
157         HostVendor_CPP='unknown'
158         HostOS_CPP='netbsd'
159         ;;
160 i[[3456]]86-*-openbsd*)
161         HostPlatform=i386-unknown-openbsd # hack again
162         TargetPlatform=i386-unknown-openbsd
163         BuildPlatform=i386-unknown-openbsd
164         HostPlatform_CPP='i386_unknown_openbsd'
165         HostArch_CPP='i386'
166         HostVendor_CPP='unknown'
167         HostOS_CPP='openbsd'
168         ;;
169 i[[3456]]86-*-solaris2*)
170         HostPlatform=i386-unknown-solaris2 # hack again
171         TargetPlatform=i386-unknown-solaris2
172         BuildPlatform=i386-unknown-solaris2
173         HostPlatform_CPP='i386_unknown_solaris2'
174         HostArch_CPP='i386'
175         HostVendor_CPP='unknown'
176         HostOS_CPP='solaris2'
177         ;;
178 i[[3456]]86-*-cygwin*)
179         HostPlatform=i386-unknown-cygwin32 # hack again
180         TargetPlatform=i386-unknown-cygwin32
181         BuildPlatform=i386-unknown-cygwin32
182         HostPlatform_CPP='i386_unknown_cygwin32'
183         HostArch_CPP='i386'
184         HostVendor_CPP='unknown'
185         HostOS_CPP='cygwin32'
186         exeext='.exe'
187         ;;
188 i[[3456]]86-*-mingw32*)
189         HostPlatform=i386-unknown-mingw32 # hack again
190         TargetPlatform=i386-unknown-mingw32
191         BuildPlatform=i386-unknown-mingw32
192         HostPlatform_CPP='i386_unknown_mingw32'
193         HostArch_CPP='i386'
194         HostVendor_CPP='unknown'
195         HostOS_CPP='mingw32'
196         exeext='.exe'
197         ;;
198 ia64-*-linux*)
199         HostPlatform=ia64-unknown-linux # hack again
200         TargetPlatform=ia64-unknown-linux
201         BuildPlatform=ia64-unknown-linux
202         HostPlatform_CPP='ia64_unknown_linux'
203         HostArch_CPP='ia64'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='linux'
206         ;;
207 m68k-next-nextstep2)
208         HostPlatform_CPP='m68k_next_nextstep2'
209         HostArch_CPP='m68k'
210         HostVendor_CPP='next'
211         HostOS_CPP='nextstep2'
212         ;;
213 m68k-next-nextstep3)
214         HostPlatform_CPP='m68k_next_nextstep3'
215         HostArch_CPP='m68k'
216         HostVendor_CPP='next'
217         HostOS_CPP='nextstep3'
218         ;;
219 i[[3456]]86-next-nextstep3)
220         HostPlatform=i386-next-nextstep3 # hack again
221         TargetPlatform=i386-next-nextstep3
222         BuildPlatform=i386-next-nextstep3
223         HostPlatform_CPP='i386_next_nextstep3'
224         HostArch_CPP='i386'
225         HostVendor_CPP='next'
226         HostOS_CPP='nextstep3'
227         ;;
228 m68k-*-openbsd*)
229         HostPlatform=m68k-unknown-openbsd
230         TargetPlatform=m68k-unknown-openbsd
231         BuildPlatform=m68k-unknown-openbsd
232         HostPlatform_CPP='m68k_unknown_openbsd'
233         HostArch_CPP='m68k'
234         HostVendor_CPP='unknown'
235         HostOS_CPP='openbsd'
236         ;;
237 m68k-apple-netbsd*)
238         HostPlatform=m68k-apple-netbsd
239         TargetPlatform=m68k-apple-netbsd
240         BuildPlatform=m68k-apple-netbsd
241         HostPlatform_CPP='m68k_apple_netbsd'
242         HostArch_CPP='m68k'
243         HostVendor_CPP='apple'
244         HostOS_CPP='netbsd'
245         ;;
246 m68k-sun-sunos4*)
247         HostPlatform=m68k-sun-sunos4
248         TargetPlatform=m68k-sun-sunos4 #hack
249         BuildPlatform=m68k-sun-sunos4 #hack
250         HostPlatform_CPP='m68k_sun_sunos4'
251         HostArch_CPP='m68k'
252         HostVendor_CPP='sun'
253         HostOS_CPP='sunos4'
254         ;;
255 mips-dec-ultrix*)
256         HostPlatform_CPP='mips_dec_ultrix'
257         HostArch_CPP='mipsel'   # NB a little different
258         HostVendor_CPP='dec'
259         HostOS_CPP='ultrix'
260         ;;
261 mips-sgi-irix*)
262         HostPlatform=mips-sgi-irix
263         TargetPlatform=mips-sgi-irix #hack
264         BuildPlatform=mips-sgi-irix #hack
265         HostPlatform_CPP='mips_sgi_irix'
266         HostArch_CPP='mipseb'   # NB a little different
267         HostVendor_CPP='sgi'
268         HostOS_CPP='irix'
269         ;;
270 rs6000-ibm-aix*)
271         HostPlatform=rs6000-ibm-aix
272         TargetPlatform=rs6000-ibm-aix #hack
273         BuildPlatform=rs6000-ibm-aix #hack
274         HostPlatform_CPP='rs6000_ibm_aix'
275         HostArch_CPP='rs6000'
276         HostVendor_CPP='ibm'
277         HostOS_CPP='aix'
278         ;;
279 powerpc-ibm-aix*)
280         HostPlatform=powerpc-ibm-aix
281         TargetPlatform=powerpc-ibm-aix #hack
282         BuildPlatform=powerpc-ibm-aix #hack
283         HostPlatform_CPP='powerpc_ibm_aix'
284         HostArch_CPP='powerpc'
285         HostVendor_CPP='ibm'
286         HostOS_CPP='aix'
287         ;;
288 powerpc-apple-darwin*)
289         HostPlatform=powerpc-apple-darwin
290         TargetPlatform=powerpc-apple-darwin #hack
291         BuildPlatform=powerpc-apple-darwin #hack
292         HostPlatform_CPP='powerpc_apple_darwin'
293         HostArch_CPP='powerpc'
294         HostVendor_CPP='apple'
295         HostOS_CPP='darwin'
296         ;;
297 sparc-sun-sunos4*)
298         HostPlatform=sparc-sun-sunos4
299         TargetPlatform=sparc-sun-sunos4 #hack
300         BuildPlatform=sparc-sun-sunos4 #hack
301         HostPlatform_CPP='sparc_sun_sunos4'
302         HostArch_CPP='sparc'
303         HostVendor_CPP='sun'
304         HostOS_CPP='sunos4'
305         ;;
306 sparc-sun-solaris2*)
307         HostPlatform=sparc-sun-solaris2
308         TargetPlatform=sparc-sun-solaris2 #hack
309         BuildPlatform=sparc-sun-solaris2 #hack
310         HostPlatform_CPP='sparc_sun_solaris2'
311         HostArch_CPP='sparc'
312         HostVendor_CPP='sun'
313         HostOS_CPP='solaris2'
314         ;;
315 sparc*-linux*)
316         HostPlatform=sparc-unknown-linux
317         TargetPlatform=sparc-unknown-linux
318         BuildPlatform=sparc-unknown-linux
319         HostPlatform_CPP='sparc_unknown_linux'
320         HostArch_CPP='sparc'
321         HostVendor_CPP='unknown'
322         HostOS_CPP='linux'
323         ;;
324 *)
325         echo "Unrecognised platform: $HostPlatform"
326         exit 1
327         ;;
328 esac
329 echo "Canonicalised to: $HostPlatform"
330 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
331 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
332
333 BuildPlatform_CPP=$HostPlatform_CPP
334 TargetPlatform_CPP=$HostPlatform_CPP
335 BuildArch_CPP=$HostArch_CPP
336 TargetArch_CPP=$HostArch_CPP
337 BuildOS_CPP=$HostOS_CPP
338 HostOS_Full=$host_os
339 TargetOS_CPP=$HostOS_CPP
340 BuildVendor_CPP=$HostVendor_CPP
341 TargetVendor_CPP=$HostVendor_CPP
342
343 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
344 dnl AC_SUBST(BuildPlatform)
345
346 AC_SUBST(HostPlatform)
347 AC_SUBST(TargetPlatform)
348 AC_SUBST(HostPlatform_CPP)
349 dnl AC_SUBST(BuildPlatform_CPP)
350 dnl AC_SUBST(TargetPlatform_CPP)
351
352 AC_SUBST(HostArch_CPP)
353 dnl AC_SUBST(BuildArch_CPP)
354 dnl AC_SUBST(TargetArch_CPP)
355
356 AC_SUBST(HostOS_CPP)
357 AC_SUBST(HostOS_Full)
358 dnl AC_SUBST(BuildOS_CPP)
359 dnl AC_SUBST(TargetOS_CPP)
360
361 AC_SUBST(HostVendor_CPP)
362 dnl AC_SUBST(BuildVendor_CPP)
363 dnl AC_SUBST(TargetVendor_CPP)
364
365 AC_SUBST(exeext)
366
367 dnl --------------------------------------------------------------
368 dnl * Calculate absolute path to build tree
369 dnl --------------------------------------------------------------
370
371 AC_MSG_CHECKING(for path to top of build tree)
372
373 hardtop=`pwd`
374
375 dnl Remove common automounter nonsense
376 dnl
377 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
378
379 dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
380 dnl
381 case $HostPlatform in
382   i386-unknown-mingw32 | i386-unknown-cygwin32)
383         # convert $hardtop to a path that mingw will understand too
384         cyghardtop=${hardtop}
385         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
386         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
387         ;;
388   *)
389         hardtop_plat=${hardtop}
390         ;;
391 esac
392 AC_SUBST(hardtop)
393 AC_SUBST(hardtop_plat)
394
395 AC_MSG_RESULT(${hardtop})
396
397 dnl --------------------------------------------------------------
398 dnl * Project specific configuration options
399 dnl --------------------------------------------------------------
400 dnl What follows is a bunch of options that can either be configured
401 dnl through command line options to the configure script or by
402 dnl supplying defns in the build tree's mk/build.mk. Having the option to
403 dnl use either is considered a Feature.
404
405 dnl ** What command to use to compile compiler sources ?
406 dnl --------------------------------------------------------------
407
408 AC_ARG_WITH(ghc,
409 [  --with-ghc=<haskell compiler>
410         Use a command different from 'ghc' to compile GHC-specific Haskell code
411             (including GHC itself).
412 ],
413 [ WithGhc="$withval" ],
414
415   if test "$GHC" = ""; then
416     AC_PATH_PROG(GHC,ghc)
417   fi
418   WithGhc=$GHC
419 ]
420 )
421 AC_SUBST(WithGhc)
422
423 AC_ARG_WITH(hc,
424 [  --with-hc=<haskell compiler>
425         Use a command different from 'ghc' to compile generic Haskell code.
426 ],
427 [WithHc="$withval"],
428 [WithHc=$WithGhc]
429 )
430 AC_SUBST(WithHc)
431
432 if test "$WithGhc" != ""; then
433   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
434   AC_SUBST(GhcVersion)dnl
435   AC_SUBST(GhcMajVersion)dnl
436   AC_SUBST(GhcMinVersion)dnl
437   AC_SUBST(GhcPatchLevel)dnl
438 fi
439
440 AC_PATH_PROGS(NHC,nhc nhc98)
441 AC_PATH_PROG(HBC,hbc)
442
443 dnl ** Which gcc to use?
444 dnl --------------------------------------------------------------
445 AC_ARG_WITH(gcc,
446 [  --with-gcc=<gcc command>
447         Use a different command instead of 'gcc' for the GNU C compiler.
448 ],
449 [WhatGccIsCalled="$withval"
450  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
451     # Canonicalise to <drive>:/path/to/gcc
452     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
453  fi;
454  CC="$withval"],
455 [WhatGccIsCalled="gcc"]
456 )
457 AC_SUBST(WhatGccIsCalled)
458
459 dnl ** Booting from .hc files?
460 dnl --------------------------------------------------------------
461 AC_ARG_ENABLE(hc-boot,
462 [  --enable-hc-boot
463         Boot the Glasgow Haskell Compiler from intermediate .hc files.
464         (This option is mostly of interest to porters.)
465 ],
466 [BootingFromHc=YES],
467 [BootingFromHc=NO]
468 )
469 AC_SUBST(BootingFromHc)
470
471 dnl ** Booting from unregisterised .hc files?
472 dnl --------------------------------------------------------------
473 AC_ARG_ENABLE(hc-boot-unregisterised,
474 [  --enable-hc-boot-unregisterised
475         With --enable-hc-boot, treat the intermediate .hc files as
476         unregisterised rather than registerised code.
477         (This option is mostly of interest to porters.)
478 ],
479 [BootingFromUnregisterisedHc=YES],
480 [BootingFromUnregisterisedHc=NO]
481 )
482 AC_SUBST(BootingFromUnregisterisedHc)
483
484 if test "$BootingFromHc" = "NO"; then
485 if test "$BootingFromUnregisterisedHc" = "YES"; then
486 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
487 fi;
488 fi;
489
490 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
491 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
492 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
493 fi;
494
495 dnl ** Enable multi-thread friendly RTS?
496 dnl --------------------------------------------------------------
497 AC_ARG_ENABLE(threaded-rts,
498 [  --enable-threaded-rts
499         Support better interop with OS threads.
500 ],
501 [ThreadedRts=YES],
502 [ThreadedRts=NO]
503 )
504 AC_SUBST(ThreadedRts)
505
506 dnl ** Enable the construction of Win32 DLLs?
507 dnl --------------------------------------------------------------
508 dnl
509 dnl [ The ability to build the RTS and libraries as separate DLLs used
510 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
511 dnl   and build system would be required to bring it back again.)
512 dnl   Hence, exposing it as an option is false advertisement, so better
513 dnl   disable it to avoid confusion (but leave it commented-out rather
514 dnl   than removed in order to remind ourselves to bring back the 
515 dnl   feature at some stage.) ]
516 dnl
517 dnl AC_ARG_ENABLE(win32-dlls,
518 dnl [  --enable-win32-dlls
519 dnl         If on a Win32 platform running mingw32/cygwin, enable the
520 dnl     construction of DLLs containing ghc-compiled code.
521 dnl ],
522 dnl [
523 dnl case $HostOS_CPP in
524 dnl cygwin32) ;;
525 dnl mingw32)  ;;
526 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
527 dnl       exit 1
528 dnl       ;;
529 dnl esac
530 dnl EnableWin32DLLs=YES
531 dnl ],
532 dnl [EnableWin32DLLs=NO]
533 dnl )
534 dnl AC_SUBST(EnableWin32DLLs)
535 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
536 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
537 dnl fi
538
539 dnl ** Enable the building of the ObjectIO?
540 dnl --------------------------------------------------------------
541 AC_ARG_ENABLE(objectio,
542 [  --enable-objectio
543         Build ObjectIO, a portable GUI library for Haskell.
544 ],
545 [GhcLibsWithObjectIO=YES],
546 [GhcLibsWithObjectIO=NO]
547 )
548 AC_SUBST(GhcLibsWithObjectIO)
549
550 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
551 dnl --------------------------------------------------------------
552 AC_ARG_ENABLE(hopengl,
553 [  --enable-hopengl
554         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
555         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
556         of the "native" libraries.
557 ],
558 [GhcLibsWithHOpenGL=YES],
559 [GhcLibsWithHOpenGL=NO]
560 )
561 UseQuartzOpenGL=NO
562 if test x"$TargetOS_CPP" = x"darwin"; then
563   if test x"$enable_hopengl" != x"x11"; then
564     AC_DEFINE(USE_QUARTZ_OPENGL)
565     UseQuartzOpenGL=YES
566   fi
567 fi
568
569 AC_SUBST(GhcLibsWithHOpenGL)
570
571 dnl ** .NET interop support?
572 dnl --------------------------------------------------------------
573 AC_ARG_ENABLE(dotnet,
574 [  --enable-dotnet
575         Build .NET interop layer.
576 ],
577 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
578 [DotnetSupport=NO]
579 )
580 AC_SUBST(DotnetSupport)
581
582 dnl --------------------------------------------------------------
583 dnl End of configure script option section
584 dnl --------------------------------------------------------------
585
586
587 dnl --------------------------------------------------------------
588 dnl * General configuration checks
589 dnl --------------------------------------------------------------
590
591 dnl ** does #! work?
592 AC_SYS_INTERPRETER()
593
594 dnl ** look for `perl', but only in /bin on Windows
595 case $HostOS_CPP in
596 cygwin32|mingw32)
597       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
598       if test -z "$PerlCmd"; then
599          echo "You must install the version of Perl shipped with GHC"
600          echo "(or a compatible one) in /bin."
601          exit 1
602       fi
603    ;;
604 *)
605    AC_PATH_PROG(PerlCmd,perl)
606    if test -z "$PerlCmd"; then
607       echo "You must install perl before you can continue"
608       echo "Perhaps it is already installed, but not in your PATH?"
609       exit 1
610    else
611    FPTOOLS_CHECK_PERL_VERSION
612    fi
613    ;;
614 esac
615
616 dnl ** does #! path/to/perl work? (sometimes it's too long...)
617 FPTOOLS_SHEBANG_PERL
618
619 dnl ** check for Python
620 AC_PATH_PROG(PythonCmd,python)
621
622 dnl ** look for GCC and find out which version
623 dnl     Figure out which C compiler to use.  Gcc is preferred.
624 dnl     If gcc, make sure it's at least 2.1
625 dnl
626 AC_PROG_CC
627 FPTOOLS_HAVE_GCC
628 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
629
630 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
631 AC_PROG_CPP
632
633 dnl ** Without optimization some INLINE trickery fails for GHCi
634 SRC_CC_OPTS="-O"
635
636 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
637 if test x"$TargetOS_CPP" = x"mingw32"; then
638   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
639   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
640   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
641 fi
642 AC_SUBST(SRC_CC_OPTS)
643
644 dnl ** figure out how to do context diffs
645 FPTOOLS_PROG_DIFF
646
647 dnl ** Find find command (for Win32's benefit)
648 FPTOOLS_FIND_FIND
649
650 dnl ** look for a decent parser generator (bison preferred)
651 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
652 dnl  on the suitability of the 'yacc' returned.)
653 FPTOOLS_PROG_YACCY
654
655 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
656 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
657 dnl    exists if 'flex' doesn't.
658 AC_PROG_LEX_STRICT
659
660 dnl ** figure out how to do a BSD-ish install
661 AC_PROG_INSTALL
662
663 dnl If you can run configure, you certainly have /bin/sh
664 AC_DEFINE(HAVE_BIN_SH)
665
666 dnl ** how to invoke `ar' and `ranlib'
667 FPTOOLS_PROG_AR_AND_RANLIB
668
669 dnl ** Check to see whether ln -s works
670 AC_PROG_LN_S
671
672
673 dnl ** Find the path to sed
674 AC_PATH_PROG(SedCmd,sed)
675
676
677 dnl ** check for time command
678 AC_PATH_PROG(TimeCmd,time)
679
680 dnl ** check for tar
681 dnl   if GNU tar is named gtar, look for it first.
682 AC_PATH_PROGS(TarCmd,gtar tar,tar)
683
684 dnl ** check for gzip/compress
685 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
686
687 dnl ** check for jade/openjade & determine a working catalog
688 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
689 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
690                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
691 if test -z "$Catalog"; then
692   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
693 fi
694 case $Catalog in
695    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
696         Catalog=
697         ;;
698    glafp*) 
699         case $HostOS_CPP in
700            mingw32)
701               Catalog=`cygpath -w $hardtop/$Catalog`
702               ;;
703            *) Catalog=$hardtop/$Catalog
704               ;;
705         esac
706    ;;
707 esac   
708 AC_SUBST(Catalog)
709
710 compress_nm=`basename $CompressCmd`
711 if test x"$compress_nm" = xgzip; then
712   CompressCmd="$CompressCmd -d"
713   CompressSuffix="gz"
714 else
715   CompressSuffix="Z"
716 fi
717 AC_SUBST(CompressCmd)
718 AC_SUBST(CompressSuffix)
719
720 dnl ** check for ghc-pkg command
721 changequote(, )dnl
722 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
723 changequote([, ])dnl
724 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
725    GhcPkgCmd=$ghc_pkg_guess
726    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
727 else
728    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
729 fi
730
731 AC_ARG_WITH(greencard,
732 [  --with-greencard=<greencard compiler>
733         Use a command different from 'green-card' to compile GreenCard files
734 ],
735 [
736 GreencardCmd=$withval;
737 FPTOOLS_GREENCARD(3.00)
738 ]
739 )
740
741 AC_ARG_ENABLE(src-tree-happy,
742 [  --enable-src-tree-happy
743         Build and use source tree (fptools/happy) version of Happy.
744 ],
745 [UseSrcTreeHappy=YES],
746 [UseSrcTreeHappy=NO]
747 )
748 dnl ** check for installed happy binary + version
749 dnl    (don't do it if we're booting from .hc files though.)
750 if test "$BootingFromHc" = "NO"; then
751 FPTOOLS_HAPPY
752 fi;
753
754 AC_ARG_ENABLE(src-tree-haddock,
755 [  --enable-src-tree-haddock
756         Build and use source tree (fptools/haddock) version of Haddock.
757 ],
758 [UseSrcTreeHaddock=YES],
759 [UseSrcTreeHaddock=NO]
760 )
761 dnl ** check for installed haddock
762 FPTOOLS_HADDOCK
763
764 AC_ARG_ENABLE(src-tree-alex,
765 [  --enable-src-tree-alex
766         Build and use source tree (fptools/alex) version of Alex.
767 ],
768 [UseSrcTreeAlex=YES],
769 [UseSrcTreeAlex=NO]
770 )
771 dnl ** check for installed alex binary + version
772 dnl    (don't do it if we're booting from .hc files though.)
773 if test "$BootingFromHc" = "NO"; then
774 FPTOOLS_ALEX
775 fi;
776
777 dnl --------------------------------------------------
778 dnl ### program checking section ends here ###
779 dnl --------------------------------------------------
780
781 dnl --------------------------------------------------
782 dnl * Platform header file and syscall feature tests
783 dnl ### checking the state of the local header files and syscalls ###
784
785 dnl ** check for full ANSI header (.h) files
786 AC_HEADER_STDC
787
788 dnl ** Enable large file support.  NB. do this before testing the type of
789 dnl    off_t, because it will affect the result of that test.
790 AC_SYS_LARGEFILE
791
792 dnl ** check for specific header (.h) files that we are interested in
793 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
794 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
795
796 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
797 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
798
799 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
800   HaveReadlineHeaders=YES
801   AC_DEFINE(HAVE_READLINE_HEADERS,1)
802 else
803   HaveReadlineHeaders=NO
804   AC_DEFINE(HAVE_READLINE_HEADERS,0)
805 fi
806 AC_SUBST(HaveReadlineHeaders)
807
808 dnl ** check for DOS include files
809 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
810
811 dnl ** check for Windows include files
812 AC_CHECK_HEADERS(windows.h)
813
814 dnl ** check for OpenGL include files
815 if test $UseQuartzOpenGL = YES ; then
816   AC_CHECK_HEADERS(OpenGL/gl.h)
817 else
818   AC_CHECK_HEADERS(GL/gl.h)
819 fi
820
821 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
822 AC_HEADER_TIME
823
824 dnl dynamic loading include files
825 AC_CHECK_HEADERS(dlfcn.h dl.h) 
826
827 dnl ** check for farcalloc (in bcc)
828 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
829
830 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
831 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
832
833 dnl ** check for POSIX regex
834 HavePosixRegex=NO
835 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
836 AC_SUBST(HavePosixRegex)
837
838 dnl ** how do we get a timezone name, and UTC offset ?
839 AC_STRUCT_TIMEZONE
840
841 dnl ** what's the type of timezone?
842 FPTOOLS_HAVE_TIMEZONE
843 FPTOOLS_TYPE_TIMEZONE
844
845 dnl ** do we have altzone?
846 FPTOOLS_ALTZONE
847
848 dnl ** does struct stat contain st_blksize?
849 AC_STRUCT_ST_BLKSIZE
850
851 dnl ** do we have long longs?
852 FPTOOLS_C_LONG_LONG
853
854 dnl ** check what fields struct msghdr contains
855 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
856 FPTOOLS_MSGHDR_MSG_CONTROL
857
858 dnl ** what are the sizes of various types
859 dnl    (these must come before GHC_CHECK_ALIGNMENT)
860 AC_CHECK_SIZEOF(char,               1)
861 AC_CHECK_SIZEOF(double,             8)
862 AC_CHECK_SIZEOF(float,              4)
863 AC_CHECK_SIZEOF(int,                4)
864 AC_CHECK_SIZEOF(long,               4)
865 if test "$fptools_cv_have_long_long" = yes; then
866 AC_CHECK_SIZEOF(long long,          8)
867 fi
868 AC_CHECK_SIZEOF(short,              2)
869 AC_CHECK_SIZEOF(unsigned char,      1)
870 AC_CHECK_SIZEOF(unsigned int,       4)
871 AC_CHECK_SIZEOF(unsigned long,      4)
872 if test "$fptools_cv_have_long_long" = yes; then
873 AC_CHECK_SIZEOF(unsigned long long, 8)
874 fi
875 AC_CHECK_SIZEOF(unsigned short,     2)
876 AC_CHECK_SIZEOF(void *,             4)
877
878 dnl ** what are alignment constraints on various types
879 FPTOOLS_CHECK_ALIGNMENT(char)
880 FPTOOLS_CHECK_ALIGNMENT(double)
881 FPTOOLS_CHECK_ALIGNMENT(float)
882 FPTOOLS_CHECK_ALIGNMENT(int)
883 FPTOOLS_CHECK_ALIGNMENT(long)
884 if test "$fptools_cv_have_long_long" = yes; then
885 FPTOOLS_CHECK_ALIGNMENT(long long)
886 fi
887 FPTOOLS_CHECK_ALIGNMENT(short)
888 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
889 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
890 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
891 if test "$fptools_cv_have_long_long" = yes; then
892 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
893 fi
894 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
895 FPTOOLS_CHECK_ALIGNMENT(void *)
896
897 dnl ** map standard C types and ISO types to Haskell types
898 FPTOOLS_CHECK_HTYPE(char)
899 FPTOOLS_CHECK_HTYPE(signed char)
900 FPTOOLS_CHECK_HTYPE(unsigned char)
901 FPTOOLS_CHECK_HTYPE(short)
902 FPTOOLS_CHECK_HTYPE(unsigned short)
903 FPTOOLS_CHECK_HTYPE(int)
904 FPTOOLS_CHECK_HTYPE(unsigned int)
905 FPTOOLS_CHECK_HTYPE(long)
906 FPTOOLS_CHECK_HTYPE(unsigned long)
907 if test "$fptools_cv_have_long_long" = yes; then
908 FPTOOLS_CHECK_HTYPE(long long)
909 FPTOOLS_CHECK_HTYPE(unsigned long long)
910 fi
911 FPTOOLS_CHECK_HTYPE(float)
912 FPTOOLS_CHECK_HTYPE(double)
913 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
914 FPTOOLS_CHECK_HTYPE(size_t)
915 FPTOOLS_CHECK_HTYPE(wchar_t)
916 dnl Int32 is a HACK for non-ISO C compilers
917 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
918 FPTOOLS_CHECK_HTYPE(clock_t)
919 FPTOOLS_CHECK_HTYPE(time_t)
920 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
921 FPTOOLS_CHECK_HTYPE(ino_t)
922 FPTOOLS_CHECK_HTYPE(mode_t)
923 FPTOOLS_CHECK_HTYPE(off_t)
924 FPTOOLS_CHECK_HTYPE(pid_t)
925 FPTOOLS_CHECK_HTYPE(gid_t)
926 FPTOOLS_CHECK_HTYPE(uid_t)
927 FPTOOLS_CHECK_HTYPE(cc_t)
928 FPTOOLS_CHECK_HTYPE(speed_t)
929 FPTOOLS_CHECK_HTYPE(tcflag_t)
930 FPTOOLS_CHECK_HTYPE(blkcnt_t)
931 FPTOOLS_CHECK_HTYPE(nlink_t)
932 FPTOOLS_CHECK_HTYPE(ssize_t)
933 FPTOOLS_CHECK_HTYPE(rlim_t)
934
935 dnl ** Map OpenGL data types to Haskell types
936 if test $GhcLibsWithHOpenGL = YES ; then
937 FPTOOLS_CHECK_HTYPE(GLboolean)
938 FPTOOLS_CHECK_HTYPE(GLbyte)
939 FPTOOLS_CHECK_HTYPE(GLubyte)
940 FPTOOLS_CHECK_HTYPE(GLshort)
941 FPTOOLS_CHECK_HTYPE(GLushort)
942 FPTOOLS_CHECK_HTYPE(GLint)
943 FPTOOLS_CHECK_HTYPE(GLuint)
944 FPTOOLS_CHECK_HTYPE(GLsizei)
945 FPTOOLS_CHECK_HTYPE(GLenum)
946 FPTOOLS_CHECK_HTYPE(GLbitfield)
947 FPTOOLS_CHECK_HTYPE(GLfloat)
948 FPTOOLS_CHECK_HTYPE(GLclampf)
949 FPTOOLS_CHECK_HTYPE(GLdouble)
950 FPTOOLS_CHECK_HTYPE(GLclampd)
951 fi
952
953 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
954
955 dnl ** can we open files in binary mode?
956 FPTOOLS_O_BINARY
957
958 dnl ** check for GetModuleFileName and WinExec (windows only)
959 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
960 dnl Doesn't work because the linker can't see the functions if
961 dnl you omit the #include <windows.h>.  (I've no idea why not...)
962
963 FPTOOLS_TRY_LINK_NOWARN(,[
964 #if HAVE_WINDOWS_H
965 #include <windows.h>
966 #endif
967 main() { 
968   WinExec("",0);
969   exit(0);
970 }
971 ],
972 [have_winexec=1],
973 [have_winexec=0])
974 if test "$have_winexec" = "1"; then
975 AC_DEFINE(HAVE_WINEXEC)
976 fi
977
978 FPTOOLS_TRY_LINK_NOWARN(,[
979 #if HAVE_WINDOWS_H
980 #include <windows.h>
981 #endif
982 main() { 
983   char* dir;
984   GetModuleFileName((HMODULE)0,dir,0);
985   exit(0);
986 }
987 ],
988 [have_getmodulefilename=1],
989 [have_getmodulefilename=0])
990 if test "$have_getmodulefilename" = "1"; then
991 AC_DEFINE(HAVE_GETMODULEFILENAME)
992 fi
993
994 dnl ** check return type of signal handlers
995 dnl Foo: assumes we can use prototypes.
996 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
997 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
998 dnl [AC_TRY_COMPILE([#include <sys/types.h>
999 dnl #include <signal.h>
1000 dnl #ifdef signal
1001 dnl #undef signal
1002 dnl #endif
1003 dnl void (*signal (int, void (*)(int)))(int);
1004 dnl ],
1005 dnl [int i;], 
1006 dnl ac_cv_type_signal_handler=void_int,
1007 dnl ac_cv_type_signal_handler=int_void)])
1008 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1009 dnl AC_DEFINE(VOID_INT_SIGNALS)
1010 dnl fi
1011
1012 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1013 AC_TYPE_SIGNAL
1014 if test "$ac_cv_type_signal" = void; then
1015 AC_DEFINE(VOID_INT_SIGNALS)
1016 fi
1017
1018 dnl ** check for more functions
1019 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1020 AC_CHECK_FUNCS(strcmp)
1021 AC_CHECK_FUNCS(realpath _fullpath)  
1022 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1023 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1024 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1025 AC_CHECK_FUNCS(snprintf  _snprintf )  
1026 AC_CHECK_FUNCS(popen     _popen )  
1027 AC_CHECK_FUNCS(pclose    _pclose )  
1028 AC_CHECK_FUNCS(setenv unsetenv)
1029
1030
1031 dnl ** check for specific library functions that we are interested in
1032 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1033
1034 dnl ** Solaris2 needs additionl flag for getpw*_r()
1035 case "$TargetPlatform" in
1036   *-solaris2*)
1037     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1038     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1039   ;;
1040 esac
1041
1042 dnl ** check whether this machine has gmp3 installed
1043 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1044   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1045     HaveLibGmp=NO; LibGmp=not-installed))
1046 AC_SUBST(HaveLibGmp)
1047 AC_SUBST(LibGmp)
1048
1049 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1050 HaveFrameworkHaskellSupport=NO
1051 if test $HostPlatform = "powerpc-apple-darwin"; then
1052  AC_MSG_CHECKING([for HaskellSupport.framework])
1053  save_libs="$LIBS"
1054  LIBS="-framework HaskellSupport"
1055  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1056  if test $HaveFrameworkHaskellSupport = YES; then
1057   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1058  fi;
1059  LIBS="$save_libs"
1060  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1061 fi;
1062 AC_SUBST(HaveFrameworkHaskellSupport)
1063
1064 dnl ** check for mingwex library
1065 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1066 AC_SUBST(HaveLibMingwEx)
1067
1068 if test $HaveLibMingwEx = YES ; then
1069   AC_DEFINE(HAVE_MINGWEX)
1070 fi
1071
1072 if test "$HaveLibGmp" = "NO"; then
1073 if test "$HostArch_CPP" = "ia64"; then
1074 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1075 fi;
1076 fi;
1077
1078 dnl ** check whether this machine has GNU regex in libc.
1079 FPTOOLS_REGEX_IN_LIBC
1080
1081 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1082 dnl    the order of these tests matters: bfd needs liberty
1083 AC_CHECK_LIB(iberty, xmalloc)
1084 AC_CHECK_LIB(bfd,    bfd_init)
1085
1086 dnl ** check for readline, for Hugs and hslibs' Readline
1087 dnl ncurses supersedes termcap and curses, but for compatibility,
1088 dnl we have to check for all...
1089 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1090   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1091     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1092       HaveLibTermcap=NO; LibTermcap=not-installed)))
1093
1094 if test $HaveLibTermcap = YES ; then
1095   LIBS="-l$LibTermcap $LIBS"
1096   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1097 fi
1098
1099 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1100   AC_DEFINE(HAVE_READLINE_LIBS,1)
1101   LibsReadline="readline $LibTermcap"
1102 else
1103   AC_DEFINE(HAVE_READLINE_LIBS,0)
1104   LibsReadline=
1105 fi
1106 AC_SUBST(LibsReadline)
1107
1108 if test "$HaveLibReadline"; then
1109   AC_CHECK_LIB(readline, rl_erase_empty_line,
1110     [AC_DEFINE(HAVE_READLINE_4, 1)],
1111     [AC_DEFINE(HAVE_READLINE_4, 0)])
1112   AC_CHECK_LIB(readline, rl_free_undo_list,
1113     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1114     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1115 else
1116   AC_DEFINE(HAVE_READLINE_4, 0)
1117   AC_DEFINE(HAVE_READLINE_4_2, 0)
1118 fi
1119
1120 dnl ** check for math library
1121 FPTOOLS_CHECK_LIBM()
1122 AC_SUBST(LIBM)
1123
1124 dnl ** check for X Window System
1125 AC_PATH_XTRA()
1126
1127 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1128 if test $GhcLibsWithHOpenGL = YES ; then
1129   if test $UseQuartzOpenGL = YES ; then
1130     dnl Take a shortcut for Mac OS X native OpenGL:
1131     dnl It's in a non-standard location, but it's always there
1132     GL_CFLAGS=
1133         GL_LIBS=
1134         GLUT_LIBS=
1135         AC_SUBST(GL_CFLAGS)
1136         AC_SUBST(GL_LIBS)
1137         AC_SUBST(GLUT_LIBS)
1138   else
1139     FPTOOLS_HAVE_OPENGL
1140   fi
1141 fi
1142
1143 dnl ################################################################
1144 dnl Check for libraries
1145 dnl ################################################################
1146
1147 dnl ** check for libdl & RTLD_NEXT
1148
1149 dnl (Mac OS X only) ... but don't check if we already have the
1150 dnl HaskellSupport.framework
1151
1152 if test $HaveFrameworkHaskellSupport = YES; then
1153     HaveLibDL=NO
1154     HaveRtldNext=NO
1155     HaveRtldLocal=YES
1156     AC_DEFINE(HAVE_RTLDLOCAL)
1157     HaveRtldGlobal=YES
1158     AC_DEFINE(HAVE_RTLDGLOBAL)
1159     HaveRtldNow=YES
1160     AC_DEFINE(HAVE_RTLDNOW)
1161     AC_SUBST(HaveLibDL)
1162     AC_SUBST(HaveRtldNext)
1163     AC_SUBST(HaveRtldLocal)
1164     AC_SUBST(HaveRtldGlobal)
1165     AC_SUBST(HaveRtldNow)
1166 else
1167     AC_CHECK_LIB(dl, dlopen, 
1168         [HaveLibDL=YES
1169          AC_DEFINE(HAVE_LIBDL)
1170          LIBS="$LIBS -ldl"], 
1171         [HaveLibDL=NO])
1172     AC_CHECK_FUNCS(dlopen)
1173     AC_SUBST(HaveLibDL)
1174
1175     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1176     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1177     AC_EGREP_CPP(yes,
1178     [
1179      #include <dlfcn.h>
1180      #ifdef RTLD_NEXT
1181             yes
1182      #endif
1183     ], [
1184       AC_MSG_RESULT(yes)
1185       AC_DEFINE(HAVE_RTLDNEXT)
1186       HaveRtldNext=YES
1187     ], [
1188       AC_MSG_RESULT(no)
1189       HaveRtldNext=NO
1190       ])    
1191     AC_SUBST(HaveRtldNext)
1192
1193     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1194     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1195     AC_EGREP_CPP(yes,
1196     [
1197      #include <dlfcn.h>
1198      #ifdef RTLD_LOCAL
1199             yes
1200      #endif
1201     ], [
1202       AC_MSG_RESULT(yes)
1203       AC_DEFINE(HAVE_RTLDLOCAL)
1204       HaveRtldLocal=YES
1205     ], [
1206       AC_MSG_RESULT(no)
1207       HaveRtldLocal=NO
1208       ])    
1209     AC_SUBST(HaveRtldLocal)
1210
1211     dnl ** RTLD_GLOBAL isn't available on openbsd
1212     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1213     AC_EGREP_CPP(yes,
1214     [
1215      #include <dlfcn.h>
1216      #ifdef RTLD_GLOBAL
1217             yes
1218      #endif
1219     ], [
1220       AC_MSG_RESULT(yes)
1221       AC_DEFINE(HAVE_RTLDGLOBAL)
1222       HaveRtldGlobal=YES
1223     ], [
1224       AC_MSG_RESULT(no)
1225       HaveRtldGlobal=NO
1226       ])    
1227     AC_SUBST(HaveRtldGlobal)
1228
1229     dnl ** RTLD_NOW isn't available on openbsd
1230     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1231     AC_EGREP_CPP(yes,
1232     [
1233      #include <dlfcn.h>
1234      #ifdef RTLD_NOW
1235             yes
1236      #endif
1237     ], [
1238       AC_MSG_RESULT(yes)
1239       AC_DEFINE(HAVE_RTLDNOW)
1240       HaveRtldNow=YES
1241     ], [
1242       AC_MSG_RESULT(no)
1243       HaveRtldNow=NO
1244       ])    
1245     AC_SUBST(HaveRtldNow)
1246 fi
1247
1248 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1249
1250 dnl ---------- usleep ----------
1251 dnl --- stolen from guile configure ---
1252 dnl --- FIXME: /usr/include/unistd.h can't be right?
1253
1254 ### On some systems usleep has no return value.  If it does have one,
1255 ### we'd like to return it; otherwise, we'll fake it.
1256 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1257   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1258                    /usr/include/unistd.h,
1259                    [cv_func_usleep_return_type=void],
1260                    [cv_func_usleep_return_type=int])])
1261 case "$cv_func_usleep_return_type" in
1262   "void" )
1263     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1264       [Define if the system headers declare usleep to return void.])
1265   ;;
1266 esac
1267
1268 dnl --------------------------------------------------
1269 dnl * test for in_addr_t
1270 dnl --------------------------------------------------
1271 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1272 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1273  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1274  AC_MSG_RESULT(no))
1275
1276 dnl --------------------------------------------------
1277 dnl * test for Linux sendfile(2)
1278 dnl --------------------------------------------------
1279 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1280 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1281  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1282  AC_MSG_RESULT(no))
1283
1284 dnl --------------------------------------------------
1285 dnl * test for BSD sendfile(2)
1286 dnl --------------------------------------------------
1287 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1288 AC_EGREP_HEADER(sendfile, sys/socket.h,
1289  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1290  AC_MSG_RESULT(no))
1291
1292 dnl --------------------------------------------------
1293 dnl * test for GTK+
1294 dnl --------------------------------------------------
1295
1296 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1297 if test "$GTK_CONFIG" != ""; then
1298    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1299         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1300     ])
1301     GTK_VERSION=$fptools_cv_gtk_version
1302 else
1303     GTK_VERSION=
1304 fi
1305
1306 case $fptools_cv_gtk_version in
1307   1.[[23]].*) ;;
1308   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1309      GTK_CONFIG=
1310      ;;
1311 esac
1312
1313 AC_SUBST(GTK_CONFIG)
1314 AC_SUBST(GTK_VERSION)
1315
1316 dnl --------------------------------------------------
1317 dnl * Miscellaneous feature tests
1318 dnl --------------------------------------------------
1319
1320 dnl ** can we get alloca?
1321 AC_FUNC_ALLOCA
1322
1323 dnl ** Working vfork?
1324 AC_FUNC_VFORK
1325
1326 dnl ** determine whether or not const works
1327 AC_C_CONST
1328
1329 dnl ** determine whether ANSI-function prototypes work?
1330 AC_C_PROTOTYPES          
1331
1332 dnl ** are we big endian?
1333 AC_C_BIGENDIAN
1334
1335 dnl ** check for leading underscores in symbol names
1336 FPTOOLS_UNDERSCORE
1337
1338 dnl ** check for ld, and whether ld has -x option
1339 AC_PATH_PROG(LdCmdRaw, ld)
1340 case $HostOS_CPP in
1341  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1342            ;;
1343  *) LdCmd=${LdCmdRaw}
1344     ;;
1345 esac
1346 AC_SUBST(LdCmd)
1347 FPTOOLS_LD_X
1348
1349 AC_MSG_CHECKING([for SIGPOLL])
1350 AC_EGREP_CPP(we_have_sigpoll,
1351 [#include <signal.h>
1352 #ifdef SIGPOLL
1353 we_have_sigpoll
1354 #endif
1355 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1356 AC_MSG_RESULT([$haveSIGPOLL])
1357
1358 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1359 AC_EGREP_CPP(we_have_that_sysconf_thing,
1360 [
1361 #include <unistd.h>
1362 #ifdef _SC_GETGR_R_SIZE_MAX
1363 we_have_that_sysconf_thing
1364 #endif
1365 ],
1366 [AC_MSG_RESULT([yes])
1367 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1368 [AC_MSG_RESULT([no])])
1369
1370 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1371 AC_EGREP_CPP(we_have_that_sysconf_thing,
1372 [
1373 #include <unistd.h>
1374 #ifdef _SC_GETPW_R_SIZE_MAX
1375 we_have_that_sysconf_thing
1376 #endif
1377 ],
1378 [AC_MSG_RESULT([yes])
1379 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1380 [AC_MSG_RESULT([no])])
1381
1382 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )