[project @ 2003-08-18 11:16:33 by panne]
[ghc-hetmet.git] / configure.ac
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 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE
20 AC_PREREQ(2.50)
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 sparc-*-openbsd*)
325         HostPlatform=sparc-unknown-openbsd
326         TargetPlatform=sparc-unknown-openbsd
327         BuildPlatform=sparc-unknown-openbsd
328         HostPlatform_CPP='sparc_unknown_openbsd'
329         HostArch_CPP='sparc'
330         HostVendor_CPP='unknown'
331         HostOS_CPP='openbsd'
332         ;;
333 *)
334         echo "Unrecognised platform: $HostPlatform"
335         exit 1
336         ;;
337 esac
338 echo "Canonicalised to: $HostPlatform"
339 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
340 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
341
342 BuildPlatform_CPP=$HostPlatform_CPP
343 TargetPlatform_CPP=$HostPlatform_CPP
344 BuildArch_CPP=$HostArch_CPP
345 TargetArch_CPP=$HostArch_CPP
346 BuildOS_CPP=$HostOS_CPP
347 HostOS_Full=$host_os
348 TargetOS_CPP=$HostOS_CPP
349 BuildVendor_CPP=$HostVendor_CPP
350 TargetVendor_CPP=$HostVendor_CPP
351
352 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
353 dnl AC_SUBST(BuildPlatform)
354
355 AC_SUBST(HostPlatform)
356 AC_SUBST(TargetPlatform)
357 AC_SUBST(HostPlatform_CPP)
358 dnl AC_SUBST(BuildPlatform_CPP)
359 dnl AC_SUBST(TargetPlatform_CPP)
360
361 AC_SUBST(HostArch_CPP)
362 dnl AC_SUBST(BuildArch_CPP)
363 dnl AC_SUBST(TargetArch_CPP)
364
365 AC_SUBST(HostOS_CPP)
366 AC_SUBST(HostOS_Full)
367 dnl AC_SUBST(BuildOS_CPP)
368 dnl AC_SUBST(TargetOS_CPP)
369
370 AC_SUBST(HostVendor_CPP)
371 dnl AC_SUBST(BuildVendor_CPP)
372 dnl AC_SUBST(TargetVendor_CPP)
373
374 AC_SUBST(exeext)
375
376 dnl --------------------------------------------------------------
377 dnl * Calculate absolute path to build tree
378 dnl --------------------------------------------------------------
379
380 AC_MSG_CHECKING(for path to top of build tree)
381
382 hardtop=`pwd`
383
384 dnl Remove common automounter nonsense
385 dnl
386 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
387
388 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).
389 dnl
390 case $HostPlatform in
391   i386-unknown-mingw32 | i386-unknown-cygwin32)
392         # convert $hardtop to a path that mingw will understand too
393         cyghardtop=${hardtop}
394         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
395         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
396         ;;
397   *)
398         hardtop_plat=${hardtop}
399         ;;
400 esac
401 AC_SUBST(hardtop)
402 AC_SUBST(hardtop_plat)
403
404 AC_MSG_RESULT(${hardtop})
405
406 dnl --------------------------------------------------------------
407 dnl * Project specific configuration options
408 dnl --------------------------------------------------------------
409 dnl What follows is a bunch of options that can either be configured
410 dnl through command line options to the configure script or by
411 dnl supplying defns in the build tree's mk/build.mk. Having the option to
412 dnl use either is considered a Feature.
413
414 dnl ** What command to use to compile compiler sources ?
415 dnl --------------------------------------------------------------
416
417 AC_ARG_WITH(ghc,
418 [  --with-ghc=<haskell compiler>
419         Use a command different from 'ghc' to compile GHC-specific Haskell code
420             (including GHC itself).
421 ],
422 [ WithGhc="$withval" ],
423
424   if test "$GHC" = ""; then
425     AC_PATH_PROG(GHC,ghc)
426   fi
427   WithGhc=$GHC
428 ]
429 )
430 AC_SUBST(WithGhc)
431
432 AC_ARG_WITH(hc,
433 [  --with-hc=<haskell compiler>
434         Use a command different from 'ghc' to compile generic Haskell code.
435 ],
436 [WithHc="$withval"],
437 [WithHc=$WithGhc]
438 )
439 AC_SUBST(WithHc)
440
441 if test "$WithGhc" != ""; then
442   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
443   AC_SUBST(GhcVersion)dnl
444   AC_SUBST(GhcMajVersion)dnl
445   AC_SUBST(GhcMinVersion)dnl
446   AC_SUBST(GhcPatchLevel)dnl
447 fi
448
449 AC_PATH_PROGS(NHC,nhc nhc98)
450 AC_PATH_PROG(HBC,hbc)
451
452 dnl ** Which gcc to use?
453 dnl --------------------------------------------------------------
454 AC_ARG_WITH(gcc,
455 [  --with-gcc=<gcc command>
456         Use a different command instead of 'gcc' for the GNU C compiler.
457 ],
458 [WhatGccIsCalled="$withval"
459  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
460     # Canonicalise to <drive>:/path/to/gcc
461     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
462  fi;
463  CC="$withval"],
464 [WhatGccIsCalled="gcc"]
465 )
466 AC_SUBST(WhatGccIsCalled)
467
468 dnl ** Booting from .hc files?
469 dnl --------------------------------------------------------------
470 AC_ARG_ENABLE(hc-boot,
471 [  --enable-hc-boot
472         Boot the Glasgow Haskell Compiler from intermediate .hc files.
473         (This option is mostly of interest to porters.)
474 ],
475 [BootingFromHc=YES],
476 [BootingFromHc=NO]
477 )
478 AC_SUBST(BootingFromHc)
479
480 dnl ** Booting from unregisterised .hc files?
481 dnl --------------------------------------------------------------
482 AC_ARG_ENABLE(hc-boot-unregisterised,
483 [  --enable-hc-boot-unregisterised
484         With --enable-hc-boot, treat the intermediate .hc files as
485         unregisterised rather than registerised code.
486         (This option is mostly of interest to porters.)
487 ],
488 [BootingFromUnregisterisedHc=YES],
489 [BootingFromUnregisterisedHc=NO]
490 )
491 AC_SUBST(BootingFromUnregisterisedHc)
492
493 if test "$BootingFromHc" = "NO"; then
494 if test "$BootingFromUnregisterisedHc" = "YES"; then
495 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
496 fi;
497 fi;
498
499 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
500 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
501 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
502 fi;
503
504 dnl ** Enable multi-thread friendly RTS?
505 dnl --------------------------------------------------------------
506 AC_ARG_ENABLE(threaded-rts,
507 [  --enable-threaded-rts
508         Support better interop with OS threads.
509 ],
510 [ThreadedRts=YES],
511 [ThreadedRts=NO]
512 )
513 AC_SUBST(ThreadedRts)
514
515 dnl ** Enable the construction of Win32 DLLs?
516 dnl --------------------------------------------------------------
517 dnl
518 dnl [ The ability to build the RTS and libraries as separate DLLs used
519 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
520 dnl   and build system would be required to bring it back again.)
521 dnl   Hence, exposing it as an option is false advertisement, so better
522 dnl   disable it to avoid confusion (but leave it commented-out rather
523 dnl   than removed in order to remind ourselves to bring back the 
524 dnl   feature at some stage.) ]
525 dnl
526 dnl AC_ARG_ENABLE(win32-dlls,
527 dnl [  --enable-win32-dlls
528 dnl         If on a Win32 platform running mingw32/cygwin, enable the
529 dnl     construction of DLLs containing ghc-compiled code.
530 dnl ],
531 dnl [
532 dnl case $HostOS_CPP in
533 dnl cygwin32) ;;
534 dnl mingw32)  ;;
535 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
536 dnl       exit 1
537 dnl       ;;
538 dnl esac
539 dnl EnableWin32DLLs=YES
540 dnl ],
541 dnl [EnableWin32DLLs=NO]
542 dnl )
543 dnl AC_SUBST(EnableWin32DLLs)
544 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
545 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
546 dnl fi
547
548 dnl ** Enable the building of the ObjectIO?
549 dnl --------------------------------------------------------------
550 AC_ARG_ENABLE(objectio,
551 [  --enable-objectio
552         Build ObjectIO, a portable GUI library for Haskell.
553 ],
554 [GhcLibsWithObjectIO=YES],
555 [GhcLibsWithObjectIO=NO]
556 )
557 AC_SUBST(GhcLibsWithObjectIO)
558
559 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
560 dnl --------------------------------------------------------------
561 AC_ARG_ENABLE(hopengl,
562 [  --enable-hopengl
563         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
564         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
565         of the "native" libraries.
566 ],
567 [GhcLibsWithHOpenGL=YES],
568 [GhcLibsWithHOpenGL=NO]
569 )
570 UseQuartzOpenGL=NO
571 if test x"$TargetOS_CPP" = x"darwin"; then
572   if test x"$enable_hopengl" != x"x11"; then
573     AC_DEFINE(USE_QUARTZ_OPENGL)
574     UseQuartzOpenGL=YES
575   fi
576 fi
577
578 AC_SUBST(GhcLibsWithHOpenGL)
579
580 dnl ** .NET interop support?
581 dnl --------------------------------------------------------------
582 AC_ARG_ENABLE(dotnet,
583 [  --enable-dotnet
584         Build .NET interop layer.
585 ],
586 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
587 [DotnetSupport=NO]
588 )
589 AC_SUBST(DotnetSupport)
590
591 dnl --------------------------------------------------------------
592 dnl End of configure script option section
593 dnl --------------------------------------------------------------
594
595
596 dnl --------------------------------------------------------------
597 dnl * General configuration checks
598 dnl --------------------------------------------------------------
599
600 dnl ** does #! work?
601 AC_SYS_INTERPRETER()
602
603 dnl ** look for `perl', but only in /bin on Windows
604 case $HostOS_CPP in
605 cygwin32|mingw32)
606       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
607       if test -z "$PerlCmd"; then
608          echo "You must install the version of Perl shipped with GHC"
609          echo "(or a compatible one) in /bin."
610          exit 1
611       fi
612    ;;
613 *)
614    AC_PATH_PROG(PerlCmd,perl)
615    if test -z "$PerlCmd"; then
616       echo "You must install perl before you can continue"
617       echo "Perhaps it is already installed, but not in your PATH?"
618       exit 1
619    else
620    FPTOOLS_CHECK_PERL_VERSION
621    fi
622    ;;
623 esac
624
625 dnl ** does #! path/to/perl work? (sometimes it's too long...)
626 FPTOOLS_SHEBANG_PERL
627
628 dnl ** check for Python
629 AC_PATH_PROG(PythonCmd,python)
630
631 dnl ** look for GCC and find out which version
632 dnl     Figure out which C compiler to use.  Gcc is preferred.
633 dnl     If gcc, make sure it's at least 2.1
634 dnl
635 AC_PROG_CC
636 FPTOOLS_HAVE_GCC
637 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
638
639 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
640 AC_PROG_CPP
641
642 dnl ** Without optimization some INLINE trickery fails for GHCi
643 SRC_CC_OPTS="-O"
644
645 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
646 if test x"$TargetOS_CPP" = x"mingw32"; then
647   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
648   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
649   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
650 fi
651 AC_SUBST(SRC_CC_OPTS)
652
653 dnl ** figure out how to do context diffs
654 FPTOOLS_PROG_DIFF
655
656 dnl ** Find find command (for Win32's benefit)
657 FPTOOLS_FIND_FIND
658
659 dnl ** look for a decent parser generator (bison preferred)
660 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
661 dnl  on the suitability of the 'yacc' returned.)
662 FPTOOLS_PROG_YACCY
663
664 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
665 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
666 dnl    exists if 'flex' doesn't.
667 AC_PROG_LEX_STRICT
668
669 dnl ** figure out how to do a BSD-ish install
670 AC_PROG_INSTALL
671
672 dnl If you can run configure, you certainly have /bin/sh
673 AC_DEFINE(HAVE_BIN_SH)
674
675 dnl ** how to invoke `ar' and `ranlib'
676 FPTOOLS_PROG_AR_AND_RANLIB
677
678 dnl ** Check to see whether ln -s works
679 AC_PROG_LN_S
680
681
682 dnl ** Find the path to sed
683 AC_PATH_PROG(SedCmd,sed)
684
685
686 dnl ** check for time command
687 AC_PATH_PROG(TimeCmd,time)
688
689 dnl ** check for tar
690 dnl   if GNU tar is named gtar, look for it first.
691 AC_PATH_PROGS(TarCmd,gtar tar,tar)
692
693 dnl ** check for gzip/compress
694 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
695
696 dnl ** check for jade/openjade & determine a working catalog
697 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
698 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
699                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
700 if test -z "$Catalog"; then
701   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
702 fi
703 case $Catalog in
704    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
705         Catalog=
706         ;;
707    glafp*) 
708         case $HostOS_CPP in
709            mingw32)
710               Catalog=`cygpath -w $hardtop/$Catalog`
711               ;;
712            *) Catalog=$hardtop/$Catalog
713               ;;
714         esac
715    ;;
716 esac   
717 AC_SUBST(Catalog)
718
719 compress_nm=`basename $CompressCmd`
720 if test x"$compress_nm" = xgzip; then
721   CompressCmd="$CompressCmd -d"
722   CompressSuffix="gz"
723 else
724   CompressSuffix="Z"
725 fi
726 AC_SUBST(CompressCmd)
727 AC_SUBST(CompressSuffix)
728
729 dnl ** check for ghc-pkg command
730 changequote(, )dnl
731 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
732 changequote([, ])dnl
733 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
734    GhcPkgCmd=$ghc_pkg_guess
735    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
736 else
737    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
738 fi
739
740 AC_ARG_WITH(greencard,
741 [  --with-greencard=<greencard compiler>
742         Use a command different from 'green-card' to compile GreenCard files
743 ],
744 [
745 GreencardCmd=$withval;
746 FPTOOLS_GREENCARD(3.00)
747 ]
748 )
749
750 AC_ARG_ENABLE(src-tree-happy,
751 [  --enable-src-tree-happy
752         Build and use source tree (fptools/happy) version of Happy.
753 ],
754 [UseSrcTreeHappy=YES],
755 [UseSrcTreeHappy=NO]
756 )
757 dnl ** check for installed happy binary + version
758 dnl    (don't do it if we're booting from .hc files though.)
759 if test "$BootingFromHc" = "NO"; then
760 FPTOOLS_HAPPY
761 fi;
762
763 AC_ARG_ENABLE(src-tree-haddock,
764 [  --enable-src-tree-haddock
765         Build and use source tree (fptools/haddock) version of Haddock.
766 ],
767 [UseSrcTreeHaddock=YES],
768 [UseSrcTreeHaddock=NO]
769 )
770 dnl ** check for installed haddock
771 FPTOOLS_HADDOCK
772
773 AC_ARG_ENABLE(src-tree-alex,
774 [  --enable-src-tree-alex
775         Build and use source tree (fptools/alex) version of Alex.
776 ],
777 [UseSrcTreeAlex=YES],
778 [UseSrcTreeAlex=NO]
779 )
780 dnl ** check for installed alex binary + version
781 dnl    (don't do it if we're booting from .hc files though.)
782 if test "$BootingFromHc" = "NO"; then
783 FPTOOLS_ALEX
784 fi;
785
786 dnl --------------------------------------------------
787 dnl ### program checking section ends here ###
788 dnl --------------------------------------------------
789
790 dnl --------------------------------------------------
791 dnl * Platform header file and syscall feature tests
792 dnl ### checking the state of the local header files and syscalls ###
793
794 dnl ** check for full ANSI header (.h) files
795 AC_HEADER_STDC
796
797 dnl ** Enable large file support.  NB. do this before testing the type of
798 dnl    off_t, because it will affect the result of that test.
799 AC_SYS_LARGEFILE
800
801 dnl ** check for specific header (.h) files that we are interested in
802 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)
803 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
804
805 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
806 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
807
808 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
809   HaveReadlineHeaders=YES
810   AC_DEFINE(HAVE_READLINE_HEADERS,1)
811 else
812   HaveReadlineHeaders=NO
813   AC_DEFINE(HAVE_READLINE_HEADERS,0)
814 fi
815 AC_SUBST(HaveReadlineHeaders)
816
817 dnl ** check for DOS include files
818 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
819
820 dnl ** check for Windows include files
821 AC_CHECK_HEADERS(windows.h)
822
823 dnl ** check for OpenGL include files
824 if test $UseQuartzOpenGL = YES ; then
825   AC_CHECK_HEADERS(OpenGL/gl.h)
826 else
827   AC_CHECK_HEADERS(GL/gl.h)
828 fi
829
830 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
831 AC_HEADER_TIME
832
833 dnl dynamic loading include files
834 AC_CHECK_HEADERS(dlfcn.h dl.h) 
835
836 dnl ** check for farcalloc (in bcc)
837 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
838
839 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
840 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
841
842 dnl ** check for POSIX regex
843 HavePosixRegex=NO
844 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
845 AC_SUBST(HavePosixRegex)
846
847 dnl ** how do we get a timezone name, and UTC offset ?
848 AC_STRUCT_TIMEZONE
849
850 dnl ** do we have altzone?
851 FPTOOLS_ALTZONE
852
853 dnl ** does struct stat contain st_blksize?
854 AC_STRUCT_ST_BLKSIZE
855
856 dnl ** do we have long longs?
857 FPTOOLS_C_LONG_LONG
858
859 dnl ** check what fields struct msghdr contains
860 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
861 FPTOOLS_MSGHDR_MSG_CONTROL
862
863 dnl ** what are the sizes of various types
864 dnl    (these must come before GHC_CHECK_ALIGNMENT)
865 AC_CHECK_SIZEOF(char,               1)
866 AC_CHECK_SIZEOF(double,             8)
867 AC_CHECK_SIZEOF(float,              4)
868 AC_CHECK_SIZEOF(int,                4)
869 AC_CHECK_SIZEOF(long,               4)
870 if test "$fptools_cv_have_long_long" = yes; then
871 AC_CHECK_SIZEOF(long long,          8)
872 fi
873 AC_CHECK_SIZEOF(short,              2)
874 AC_CHECK_SIZEOF(unsigned char,      1)
875 AC_CHECK_SIZEOF(unsigned int,       4)
876 AC_CHECK_SIZEOF(unsigned long,      4)
877 if test "$fptools_cv_have_long_long" = yes; then
878 AC_CHECK_SIZEOF(unsigned long long, 8)
879 fi
880 AC_CHECK_SIZEOF(unsigned short,     2)
881 AC_CHECK_SIZEOF(void *,             4)
882
883 dnl ** what are alignment constraints on various types
884 FPTOOLS_CHECK_ALIGNMENT(char)
885 FPTOOLS_CHECK_ALIGNMENT(double)
886 FPTOOLS_CHECK_ALIGNMENT(float)
887 FPTOOLS_CHECK_ALIGNMENT(int)
888 FPTOOLS_CHECK_ALIGNMENT(long)
889 if test "$fptools_cv_have_long_long" = yes; then
890 FPTOOLS_CHECK_ALIGNMENT(long long)
891 fi
892 FPTOOLS_CHECK_ALIGNMENT(short)
893 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
894 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
895 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
896 if test "$fptools_cv_have_long_long" = yes; then
897 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
898 fi
899 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
900 FPTOOLS_CHECK_ALIGNMENT(void *)
901
902 dnl ** map standard C types and ISO types to Haskell types
903 FPTOOLS_CHECK_HTYPE(char)
904 FPTOOLS_CHECK_HTYPE(signed char)
905 FPTOOLS_CHECK_HTYPE(unsigned char)
906 FPTOOLS_CHECK_HTYPE(short)
907 FPTOOLS_CHECK_HTYPE(unsigned short)
908 FPTOOLS_CHECK_HTYPE(int)
909 FPTOOLS_CHECK_HTYPE(unsigned int)
910 FPTOOLS_CHECK_HTYPE(long)
911 FPTOOLS_CHECK_HTYPE(unsigned long)
912 if test "$fptools_cv_have_long_long" = yes; then
913 FPTOOLS_CHECK_HTYPE(long long)
914 FPTOOLS_CHECK_HTYPE(unsigned long long)
915 fi
916 FPTOOLS_CHECK_HTYPE(float)
917 FPTOOLS_CHECK_HTYPE(double)
918 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
919 FPTOOLS_CHECK_HTYPE(size_t)
920 FPTOOLS_CHECK_HTYPE(wchar_t)
921 dnl Int32 is a HACK for non-ISO C compilers
922 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
923 FPTOOLS_CHECK_HTYPE(clock_t)
924 FPTOOLS_CHECK_HTYPE(time_t)
925 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
926 FPTOOLS_CHECK_HTYPE(ino_t)
927 FPTOOLS_CHECK_HTYPE(mode_t)
928 FPTOOLS_CHECK_HTYPE(off_t)
929 FPTOOLS_CHECK_HTYPE(pid_t)
930 FPTOOLS_CHECK_HTYPE(gid_t)
931 FPTOOLS_CHECK_HTYPE(uid_t)
932 FPTOOLS_CHECK_HTYPE(cc_t)
933 FPTOOLS_CHECK_HTYPE(speed_t)
934 FPTOOLS_CHECK_HTYPE(tcflag_t)
935 FPTOOLS_CHECK_HTYPE(blkcnt_t)
936 FPTOOLS_CHECK_HTYPE(nlink_t)
937 FPTOOLS_CHECK_HTYPE(ssize_t)
938 FPTOOLS_CHECK_HTYPE(rlim_t)
939
940 dnl ** Map OpenGL data types to Haskell types
941 if test $GhcLibsWithHOpenGL = YES ; then
942 FPTOOLS_CHECK_HTYPE(GLboolean)
943 FPTOOLS_CHECK_HTYPE(GLbyte)
944 FPTOOLS_CHECK_HTYPE(GLubyte)
945 FPTOOLS_CHECK_HTYPE(GLshort)
946 FPTOOLS_CHECK_HTYPE(GLushort)
947 FPTOOLS_CHECK_HTYPE(GLint)
948 FPTOOLS_CHECK_HTYPE(GLuint)
949 FPTOOLS_CHECK_HTYPE(GLsizei)
950 FPTOOLS_CHECK_HTYPE(GLenum)
951 FPTOOLS_CHECK_HTYPE(GLbitfield)
952 FPTOOLS_CHECK_HTYPE(GLfloat)
953 FPTOOLS_CHECK_HTYPE(GLclampf)
954 FPTOOLS_CHECK_HTYPE(GLdouble)
955 FPTOOLS_CHECK_HTYPE(GLclampd)
956 fi
957
958 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
959
960 dnl ** can we open files in binary mode?
961 FPTOOLS_O_BINARY
962
963 dnl ** check for GetModuleFileName and WinExec (windows only)
964 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
965 dnl Doesn't work because the linker can't see the functions if
966 dnl you omit the #include <windows.h>.  (I've no idea why not...)
967
968 FPTOOLS_TRY_LINK_NOWARN(,[
969 #if HAVE_WINDOWS_H
970 #include <windows.h>
971 #endif
972 main() { 
973   WinExec("",0);
974   exit(0);
975 }
976 ],
977 [have_winexec=1],
978 [have_winexec=0])
979 if test "$have_winexec" = "1"; then
980 AC_DEFINE(HAVE_WINEXEC)
981 fi
982
983 FPTOOLS_TRY_LINK_NOWARN(,[
984 #if HAVE_WINDOWS_H
985 #include <windows.h>
986 #endif
987 main() { 
988   char* dir;
989   GetModuleFileName((HMODULE)0,dir,0);
990   exit(0);
991 }
992 ],
993 [have_getmodulefilename=1],
994 [have_getmodulefilename=0])
995 if test "$have_getmodulefilename" = "1"; then
996 AC_DEFINE(HAVE_GETMODULEFILENAME)
997 fi
998
999 dnl ** check return type of signal handlers
1000 dnl Foo: assumes we can use prototypes.
1001 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1002 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1003 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1004 dnl #include <signal.h>
1005 dnl #ifdef signal
1006 dnl #undef signal
1007 dnl #endif
1008 dnl void (*signal (int, void (*)(int)))(int);
1009 dnl ],
1010 dnl [int i;], 
1011 dnl ac_cv_type_signal_handler=void_int,
1012 dnl ac_cv_type_signal_handler=int_void)])
1013 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1014 dnl AC_DEFINE(VOID_INT_SIGNALS)
1015 dnl fi
1016
1017 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1018 AC_TYPE_SIGNAL
1019 if test "$ac_cv_type_signal" = void; then
1020 AC_DEFINE(VOID_INT_SIGNALS)
1021 fi
1022
1023 dnl ** check for more functions
1024 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1025 AC_CHECK_FUNCS(strcmp)
1026 AC_CHECK_FUNCS(realpath _fullpath)  
1027 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1028 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1029 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1030 AC_CHECK_FUNCS(snprintf  _snprintf )  
1031 AC_CHECK_FUNCS(popen     _popen )  
1032 AC_CHECK_FUNCS(pclose    _pclose )  
1033 AC_CHECK_FUNCS(setenv unsetenv)
1034
1035
1036 dnl ** check for specific library functions that we are interested in
1037 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1038
1039 dnl ** Solaris2 needs additionl flag for getpw*_r()
1040 case "$TargetPlatform" in
1041   *-solaris2*)
1042     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1043     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1044   ;;
1045 esac
1046
1047 dnl ** check whether this machine has gmp3 installed
1048 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1049   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1050     HaveLibGmp=NO; LibGmp=not-installed))
1051 AC_SUBST(HaveLibGmp)
1052 AC_SUBST(LibGmp)
1053
1054 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1055 HaveFrameworkHaskellSupport=NO
1056 if test $HostPlatform = "powerpc-apple-darwin"; then
1057  AC_MSG_CHECKING([for HaskellSupport.framework])
1058  save_libs="$LIBS"
1059  LIBS="-framework HaskellSupport"
1060  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1061  if test $HaveFrameworkHaskellSupport = YES; then
1062   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1063  fi;
1064  LIBS="$save_libs"
1065  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1066 fi;
1067 AC_SUBST(HaveFrameworkHaskellSupport)
1068
1069 dnl ** check for mingwex library
1070 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1071 AC_SUBST(HaveLibMingwEx)
1072
1073 if test $HaveLibMingwEx = YES ; then
1074   AC_DEFINE(HAVE_MINGWEX)
1075 fi
1076
1077 if test "$HaveLibGmp" = "NO"; then
1078 if test "$HostArch_CPP" = "ia64"; then
1079 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1080 fi;
1081 fi;
1082
1083 dnl ** check whether this machine has GNU regex in libc.
1084 FPTOOLS_REGEX_IN_LIBC
1085
1086 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1087 dnl    the order of these tests matters: bfd needs liberty
1088 AC_CHECK_LIB(iberty, xmalloc)
1089 AC_CHECK_LIB(bfd,    bfd_init)
1090
1091 dnl ** check for readline, for Hugs and hslibs' Readline
1092 dnl ncurses supersedes termcap and curses, but for compatibility,
1093 dnl we have to check for all...
1094 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1095   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1096     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1097       HaveLibTermcap=NO; LibTermcap=not-installed)))
1098
1099 if test $HaveLibTermcap = YES ; then
1100   LIBS="-l$LibTermcap $LIBS"
1101   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1102 fi
1103
1104 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1105   AC_DEFINE(HAVE_READLINE_LIBS,1)
1106   LibsReadline="readline $LibTermcap"
1107 else
1108   AC_DEFINE(HAVE_READLINE_LIBS,0)
1109   LibsReadline=
1110 fi
1111 AC_SUBST(LibsReadline)
1112
1113 if test "$HaveLibReadline"; then
1114   AC_CHECK_LIB(readline, rl_erase_empty_line,
1115     [AC_DEFINE(HAVE_READLINE_4, 1)],
1116     [AC_DEFINE(HAVE_READLINE_4, 0)])
1117   AC_CHECK_LIB(readline, rl_free_undo_list,
1118     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1119     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1120 else
1121   AC_DEFINE(HAVE_READLINE_4, 0)
1122   AC_DEFINE(HAVE_READLINE_4_2, 0)
1123 fi
1124
1125 dnl ** check for math library
1126 FPTOOLS_CHECK_LIBM()
1127 AC_SUBST(LIBM)
1128
1129 dnl ** check for X Window System
1130 AC_PATH_XTRA()
1131
1132 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1133 if test $GhcLibsWithHOpenGL = YES ; then
1134   if test $UseQuartzOpenGL = YES ; then
1135     dnl Take a shortcut for Mac OS X native OpenGL:
1136     dnl It's in a non-standard location, but it's always there
1137     GL_CFLAGS=
1138         GL_LIBS=
1139         GLUT_LIBS=
1140         AC_SUBST(GL_CFLAGS)
1141         AC_SUBST(GL_LIBS)
1142         AC_SUBST(GLUT_LIBS)
1143   else
1144     FPTOOLS_HAVE_OPENGL
1145   fi
1146 fi
1147
1148 dnl ################################################################
1149 dnl Check for libraries
1150 dnl ################################################################
1151
1152 dnl ** check for libdl & RTLD_NEXT
1153
1154 dnl (Mac OS X only) ... but don't check if we already have the
1155 dnl HaskellSupport.framework
1156
1157 if test $HaveFrameworkHaskellSupport = YES; then
1158     HaveLibDL=NO
1159     HaveRtldNext=NO
1160     HaveRtldLocal=YES
1161     AC_DEFINE(HAVE_RTLDLOCAL)
1162     HaveRtldGlobal=YES
1163     AC_DEFINE(HAVE_RTLDGLOBAL)
1164     HaveRtldNow=YES
1165     AC_DEFINE(HAVE_RTLDNOW)
1166     AC_SUBST(HaveLibDL)
1167     AC_SUBST(HaveRtldNext)
1168     AC_SUBST(HaveRtldLocal)
1169     AC_SUBST(HaveRtldGlobal)
1170     AC_SUBST(HaveRtldNow)
1171 else
1172     AC_CHECK_LIB(dl, dlopen, 
1173         [HaveLibDL=YES
1174          AC_DEFINE(HAVE_LIBDL)
1175          LIBS="$LIBS -ldl"], 
1176         [HaveLibDL=NO])
1177     AC_CHECK_FUNCS(dlopen)
1178     AC_SUBST(HaveLibDL)
1179
1180     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1181     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1182     AC_EGREP_CPP(yes,
1183     [
1184      #include <dlfcn.h>
1185      #ifdef RTLD_NEXT
1186             yes
1187      #endif
1188     ], [
1189       AC_MSG_RESULT(yes)
1190       AC_DEFINE(HAVE_RTLDNEXT)
1191       HaveRtldNext=YES
1192     ], [
1193       AC_MSG_RESULT(no)
1194       HaveRtldNext=NO
1195       ])    
1196     AC_SUBST(HaveRtldNext)
1197
1198     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1199     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1200     AC_EGREP_CPP(yes,
1201     [
1202      #include <dlfcn.h>
1203      #ifdef RTLD_LOCAL
1204             yes
1205      #endif
1206     ], [
1207       AC_MSG_RESULT(yes)
1208       AC_DEFINE(HAVE_RTLDLOCAL)
1209       HaveRtldLocal=YES
1210     ], [
1211       AC_MSG_RESULT(no)
1212       HaveRtldLocal=NO
1213       ])    
1214     AC_SUBST(HaveRtldLocal)
1215
1216     dnl ** RTLD_GLOBAL isn't available on openbsd
1217     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1218     AC_EGREP_CPP(yes,
1219     [
1220      #include <dlfcn.h>
1221      #ifdef RTLD_GLOBAL
1222             yes
1223      #endif
1224     ], [
1225       AC_MSG_RESULT(yes)
1226       AC_DEFINE(HAVE_RTLDGLOBAL)
1227       HaveRtldGlobal=YES
1228     ], [
1229       AC_MSG_RESULT(no)
1230       HaveRtldGlobal=NO
1231       ])    
1232     AC_SUBST(HaveRtldGlobal)
1233
1234     dnl ** RTLD_NOW isn't available on openbsd
1235     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1236     AC_EGREP_CPP(yes,
1237     [
1238      #include <dlfcn.h>
1239      #ifdef RTLD_NOW
1240             yes
1241      #endif
1242     ], [
1243       AC_MSG_RESULT(yes)
1244       AC_DEFINE(HAVE_RTLDNOW)
1245       HaveRtldNow=YES
1246     ], [
1247       AC_MSG_RESULT(no)
1248       HaveRtldNow=NO
1249       ])    
1250     AC_SUBST(HaveRtldNow)
1251 fi
1252
1253 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1254
1255 dnl ---------- usleep ----------
1256 dnl --- stolen from guile configure ---
1257 dnl --- FIXME: /usr/include/unistd.h can't be right?
1258
1259 ### On some systems usleep has no return value.  If it does have one,
1260 ### we'd like to return it; otherwise, we'll fake it.
1261 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1262   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1263                    /usr/include/unistd.h,
1264                    [cv_func_usleep_return_type=void],
1265                    [cv_func_usleep_return_type=int])])
1266 case "$cv_func_usleep_return_type" in
1267   "void" )
1268     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1269       [Define if the system headers declare usleep to return void.])
1270   ;;
1271 esac
1272
1273 dnl --------------------------------------------------
1274 dnl * test for in_addr_t
1275 dnl --------------------------------------------------
1276 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1277 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1278  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1279  AC_MSG_RESULT(no))
1280
1281 dnl --------------------------------------------------
1282 dnl * test for Linux sendfile(2)
1283 dnl --------------------------------------------------
1284 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1285 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1286  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1287  AC_MSG_RESULT(no))
1288
1289 dnl --------------------------------------------------
1290 dnl * test for BSD sendfile(2)
1291 dnl --------------------------------------------------
1292 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1293 AC_EGREP_HEADER(sendfile, sys/socket.h,
1294  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1295  AC_MSG_RESULT(no))
1296
1297 dnl --------------------------------------------------
1298 dnl * test for GTK+
1299 dnl --------------------------------------------------
1300
1301 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1302 if test "$GTK_CONFIG" != ""; then
1303    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1304         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1305     ])
1306     GTK_VERSION=$fptools_cv_gtk_version
1307 else
1308     GTK_VERSION=
1309 fi
1310
1311 case $fptools_cv_gtk_version in
1312   1.[[23]].*) ;;
1313   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1314      GTK_CONFIG=
1315      ;;
1316 esac
1317
1318 AC_SUBST(GTK_CONFIG)
1319 AC_SUBST(GTK_VERSION)
1320
1321 dnl --------------------------------------------------
1322 dnl * Miscellaneous feature tests
1323 dnl --------------------------------------------------
1324
1325 dnl ** can we get alloca?
1326 AC_FUNC_ALLOCA
1327
1328 dnl ** Working vfork?
1329 AC_FUNC_VFORK
1330
1331 dnl ** determine whether or not const works
1332 AC_C_CONST
1333
1334 dnl ** determine whether ANSI-function prototypes work?
1335 AC_C_PROTOTYPES          
1336
1337 dnl ** are we big endian?
1338 AC_C_BIGENDIAN
1339
1340 dnl ** check for leading underscores in symbol names
1341 FPTOOLS_UNDERSCORE
1342
1343 dnl ** check for ld, and whether ld has -x option
1344 AC_PATH_PROG(LdCmdRaw, ld)
1345 case $HostOS_CPP in
1346  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1347            ;;
1348  *) LdCmd=${LdCmdRaw}
1349     ;;
1350 esac
1351 AC_SUBST(LdCmd)
1352 FPTOOLS_LD_X
1353
1354 AC_MSG_CHECKING([for SIGPOLL])
1355 AC_EGREP_CPP(we_have_sigpoll,
1356 [#include <signal.h>
1357 #ifdef SIGPOLL
1358 we_have_sigpoll
1359 #endif
1360 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1361 AC_MSG_RESULT([$haveSIGPOLL])
1362
1363 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1364 AC_EGREP_CPP(we_have_that_sysconf_thing,
1365 [
1366 #include <unistd.h>
1367 #ifdef _SC_GETGR_R_SIZE_MAX
1368 we_have_that_sysconf_thing
1369 #endif
1370 ],
1371 [AC_MSG_RESULT([yes])
1372 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1373 [AC_MSG_RESULT([no])])
1374
1375 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1376 AC_EGREP_CPP(we_have_that_sysconf_thing,
1377 [
1378 #include <unistd.h>
1379 #ifdef _SC_GETPW_R_SIZE_MAX
1380 we_have_that_sysconf_thing
1381 #endif
1382 ],
1383 [AC_MSG_RESULT([yes])
1384 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1385 [AC_MSG_RESULT([no])])
1386
1387 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )