[project @ 2003-11-15 19:51:17 by panne]
[ghc-hetmet.git] / configure.ac
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | 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 2.52
20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
22 AC_PREREQ(2.52)
23
24 dnl * Declare subdirectories that have a private configure script
25 dnl
26 dnl After the toplevel configuration is complete, the script will recurse into
27 dnl these subdirectories if they exist. The use of a cache file makes repeated
28 dnl checks cheap.
29 AC_CONFIG_SUBDIRS([ghc libraries])
30
31 # -------------------------------------------------------------------------
32 # Prepare to generate the following header files
33 #
34 #
35 AC_CONFIG_HEADER(mk/config.h)
36
37 # No, semi-sadly, we don't do `--srcdir'...
38 if test x"$srcdir" != 'x.' ; then
39     echo "This configuration does not support the \`--srcdir' option.."
40     exit 1
41 fi
42
43 dnl--------------------------------------------------------------------
44 dnl * Choose host(/target/build) platform
45 dnl--------------------------------------------------------------------
46
47 dnl Guess host/target/build platform(s) if necessary.
48 AC_CANONICAL_SYSTEM
49
50 # "$host" defaults to "$target"
51 if test "x$host" = xNONE ; then
52     host=$target
53 fi
54
55 dnl ** canonicalize platform names
56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
59
60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
61     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
62     exit 1
63 fi
64
65 exeext=''
66 #
67 # The following will be more difficult when we *are* cross-compiling.
68 # Suitable names to slam in *_CPP are in platform.h.in.
69 # We also record the architecture, vendor, and operating system (OS)
70 # separately.
71 case $HostPlatform in
72 alpha*-dec-osf[[12]]*)
73         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
74         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
75         BuildPlatform=alpha-dec-osf1  # hack
76         HostPlatform_CPP='alpha_dec_osf1'
77         HostArch_CPP='alpha'
78         HostVendor_CPP='dec'
79         HostOS_CPP='osf1'
80         ;;
81 alpha*-dec-osf[[345]]*)
82         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
83         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
84         BuildPlatform=alpha-dec-osf3  # hack
85         HostPlatform_CPP='alpha_dec_osf3'
86         HostArch_CPP='alpha'
87         HostVendor_CPP='dec'
88         HostOS_CPP='osf3'
89         ;;
90 alpha*-unknown-linux*)
91         HostPlatform=alpha-unknown-linux
92         TargetPlatform=alpha-unknown-linux
93         BuildPlatform=alpha-unknown-linux
94         HostPlatform_CPP='alpha_unknown_linux'
95         HostArch_CPP='alpha'
96         HostVendor_CPP='unknown'
97         HostOS_CPP='linux'
98         ;;
99 alpha*-unknown-freebsd*)
100         HostPlatform=alpha-unknown-freebsd
101         TargetPlatform=alpha-unknown-freebsd
102         BuildPlatform=alpha-unknown-freebsd
103         HostPlatform_CPP='alpha_unknown_freebsd'
104         HostArch_CPP='alpha'
105         HostVendor_CPP='unknown'
106         HostOS_CPP='freebsd'
107         ;;
108 arm*-linux*)
109         HostPlatform=arm-unknown-linux # hack again
110         TargetPlatform=arm-unknown-linux
111         BuildPlatform=arm-unknown-linux
112         HostPlatform_CPP='arm_unknown_linux'                 
113         HostArch_CPP='arm'
114         HostVendor_CPP='unknown'
115         HostOS_CPP='linux'
116         ;;
117 hppa*-*-linux*)
118         HostPlatform=hppa-unknown-linux # hack again
119         TargetPlatform=hppa-unknown-linux
120         BuildPlatform=hppa-unknown-linux
121         HostPlatform_CPP='hppa_unknown_linux'                
122         HostArch_CPP='hppa'
123         HostVendor_CPP='unknown'                             
124         HostOS_CPP='linux'
125         ;;
126 hppa1.1-hp-hpux*)
127         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
128         TargetPlatform=hppa1.1-hp-hpux
129         BuildPlatform=hppa1.1-hp-hpux
130         HostPlatform_CPP='hppa1_1_hp_hpux'
131         HostArch_CPP='hppa1_1'
132         HostVendor_CPP='hp'
133         HostOS_CPP='hpux'
134         ;;
135 i[[3456]]86-*-linuxaout*)
136         HostPlatform=i386-unknown-linuxaout   # hack again
137         TargetPlatform=i386-unknown-linuxaout
138         BuildPlatform=i386-unknown-linuxaout
139         HostPlatform_CPP='i386_unknown_linuxaout'
140         HostArch_CPP='i386'
141         HostVendor_CPP='unknown'
142         HostOS_CPP='linuxaout'
143         ;;
144 i[[3456]]86-*-linux*)
145         HostPlatform=i386-unknown-linux # hack again
146         TargetPlatform=i386-unknown-linux
147         BuildPlatform=i386-unknown-linux
148         HostPlatform_CPP='i386_unknown_linux'
149         HostArch_CPP='i386'
150         HostVendor_CPP='unknown'
151         HostOS_CPP='linux'
152         ;;
153 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
154         HostPlatform=i386-unknown-freebsd # hack again
155         TargetPlatform=i386-unknown-freebsd
156         BuildPlatform=i386-unknown-freebsd
157         HostPlatform_CPP='i386_unknown_freebsd'
158         HostArch_CPP='i386'
159         HostVendor_CPP='unknown'
160         HostOS_CPP='freebsd'
161         ;;
162 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
163         HostPlatform=i386-unknown-freebsd2 # hack again
164         TargetPlatform=i386-unknown-freebsd2
165         BuildPlatform=i386-unknown-freebsd2
166         HostPlatform_CPP='i386_unknown_freebsd2'
167         HostArch_CPP='i386'
168         HostVendor_CPP='unknown'
169         HostOS_CPP='freebsd2'
170         ;;
171 i[[3456]]86-*-netbsd*)
172         HostPlatform=i386-unknown-netbsd # hack again
173         TargetPlatform=i386-unknown-netbsd
174         BuildPlatform=i386-unknown-netbsd
175         HostPlatform_CPP='i386_unknown_netbsd'
176         HostArch_CPP='i386'
177         HostVendor_CPP='unknown'
178         HostOS_CPP='netbsd'
179         ;;
180 i[[3456]]86-*-openbsd*)
181         HostPlatform=i386-unknown-openbsd # hack again
182         TargetPlatform=i386-unknown-openbsd
183         BuildPlatform=i386-unknown-openbsd
184         HostPlatform_CPP='i386_unknown_openbsd'
185         HostArch_CPP='i386'
186         HostVendor_CPP='unknown'
187         HostOS_CPP='openbsd'
188         ;;
189 i[[3456]]86-*-solaris2*)
190         HostPlatform=i386-unknown-solaris2 # hack again
191         TargetPlatform=i386-unknown-solaris2
192         BuildPlatform=i386-unknown-solaris2
193         HostPlatform_CPP='i386_unknown_solaris2'
194         HostArch_CPP='i386'
195         HostVendor_CPP='unknown'
196         HostOS_CPP='solaris2'
197         ;;
198 i[[3456]]86-*-cygwin*)
199         HostPlatform=i386-unknown-cygwin32 # hack again
200         TargetPlatform=i386-unknown-cygwin32
201         BuildPlatform=i386-unknown-cygwin32
202         HostPlatform_CPP='i386_unknown_cygwin32'
203         HostArch_CPP='i386'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='cygwin32'
206         exeext='.exe'
207         ;;
208 i[[3456]]86-*-mingw32*)
209         HostPlatform=i386-unknown-mingw32 # hack again
210         TargetPlatform=i386-unknown-mingw32
211         BuildPlatform=i386-unknown-mingw32
212         HostPlatform_CPP='i386_unknown_mingw32'
213         HostArch_CPP='i386'
214         HostVendor_CPP='unknown'
215         HostOS_CPP='mingw32'
216         exeext='.exe'
217         ;;
218 ia64-*-linux*)
219         HostPlatform=ia64-unknown-linux # hack again
220         TargetPlatform=ia64-unknown-linux
221         BuildPlatform=ia64-unknown-linux
222         HostPlatform_CPP='ia64_unknown_linux'
223         HostArch_CPP='ia64'
224         HostVendor_CPP='unknown'
225         HostOS_CPP='linux'
226         ;;
227 x86_64-*-linux*)
228         HostPlatform=x86_64-unknown-linux
229         TargetPlatform=x86_64-unknown-linux
230         BuildPlatform=x86_64-unknown-linux
231         HostPlatform_CPP='x86_64_unknown_linux'
232         HostArch_CPP='x86_64'
233         HostVendor_CPP='unknown'
234         HostOS_CPP='linux'
235         ;;
236 m68k-*-linux*)
237         HostPlatform=m68k-unknown-linux # hack again
238         TargetPlatform=m68k-unknown-linux                    
239         BuildPlatform=m68k-unknown-linux
240         HostPlatform_CPP='m68k_unknown_linux'
241         HostArch_CPP='m68k'
242         HostVendor_CPP='unknown'
243         HostOS_CPP='linux'
244         ;;
245 m68k-next-nextstep2)
246         HostPlatform_CPP='m68k_next_nextstep2'
247         HostArch_CPP='m68k'
248         HostVendor_CPP='next'
249         HostOS_CPP='nextstep2'
250         ;;
251 m68k-next-nextstep3)
252         HostPlatform_CPP='m68k_next_nextstep3'
253         HostArch_CPP='m68k'
254         HostVendor_CPP='next'
255         HostOS_CPP='nextstep3'
256         ;;
257 i[[3456]]86-next-nextstep3)
258         HostPlatform=i386-next-nextstep3 # hack again
259         TargetPlatform=i386-next-nextstep3
260         BuildPlatform=i386-next-nextstep3
261         HostPlatform_CPP='i386_next_nextstep3'
262         HostArch_CPP='i386'
263         HostVendor_CPP='next'
264         HostOS_CPP='nextstep3'
265         ;;
266 m68k-*-openbsd*)
267         HostPlatform=m68k-unknown-openbsd
268         TargetPlatform=m68k-unknown-openbsd
269         BuildPlatform=m68k-unknown-openbsd
270         HostPlatform_CPP='m68k_unknown_openbsd'
271         HostArch_CPP='m68k'
272         HostVendor_CPP='unknown'
273         HostOS_CPP='openbsd'
274         ;;
275 m68k-*-netbsd*)
276         HostPlatform=m68k-unknown-netbsd
277         TargetPlatform=m68k-unknown-netbsd
278         BuildPlatform=m68k-unknown-netbsd
279         HostPlatform_CPP='m68k_unknown_netbsd'
280         HostArch_CPP='m68k'
281         HostVendor_CPP='unknown'
282         HostOS_CPP='netbsd'
283         ;;
284 m68k-sun-sunos4*)
285         HostPlatform=m68k-sun-sunos4
286         TargetPlatform=m68k-sun-sunos4 #hack
287         BuildPlatform=m68k-sun-sunos4 #hack
288         HostPlatform_CPP='m68k_sun_sunos4'
289         HostArch_CPP='m68k'
290         HostVendor_CPP='sun'
291         HostOS_CPP='sunos4'
292         ;;
293 mips-*-linux*)
294         HostPlatform=mips-unknown-linux # hack again
295         TargetPlatform=mips-unknown-linux
296         BuildPlatform=mips-unknown-linux
297         HostPlatform_CPP='mips_unknown_linux'
298         HostArch_CPP='mips'
299         HostVendor_CPP='unknown'
300         HostOS_CPP='linux'
301         ;;
302 mips-dec-ultrix*)
303         HostPlatform_CPP='mips_dec_ultrix'
304         HostArch_CPP='mipsel'   # NB a little different
305         HostVendor_CPP='dec'
306         HostOS_CPP='ultrix'
307         ;;
308 mips-sgi-irix*)
309         HostPlatform=mips-sgi-irix
310         TargetPlatform=mips-sgi-irix #hack
311         BuildPlatform=mips-sgi-irix #hack
312         HostPlatform_CPP='mips_sgi_irix'
313         HostArch_CPP='mipseb'   # NB a little different
314         HostVendor_CPP='sgi'
315         HostOS_CPP='irix'
316         ;;
317 rs6000-ibm-aix*)
318         HostPlatform=rs6000-ibm-aix
319         TargetPlatform=rs6000-ibm-aix #hack
320         BuildPlatform=rs6000-ibm-aix #hack
321         HostPlatform_CPP='rs6000_ibm_aix'
322         HostArch_CPP='rs6000'
323         HostVendor_CPP='ibm'
324         HostOS_CPP='aix'
325         ;;
326 powerpc-ibm-aix*)
327         HostPlatform=powerpc-ibm-aix
328         TargetPlatform=powerpc-ibm-aix #hack
329         BuildPlatform=powerpc-ibm-aix #hack
330         HostPlatform_CPP='powerpc_ibm_aix'
331         HostArch_CPP='powerpc'
332         HostVendor_CPP='ibm'
333         HostOS_CPP='aix'
334         ;;
335 powerpc-apple-darwin*)
336         HostPlatform=powerpc-apple-darwin
337         TargetPlatform=powerpc-apple-darwin #hack
338         BuildPlatform=powerpc-apple-darwin #hack
339         HostPlatform_CPP='powerpc_apple_darwin'
340         HostArch_CPP='powerpc'
341         HostVendor_CPP='apple'
342         HostOS_CPP='darwin'
343         ;;
344 powerpc-unknown-linux*)
345         HostPlatform=powerpc-unknown-linux
346         TargetPlatform=powerpc-unknown-linux
347         BuildPlatform=powerpc-unknown-linux
348         HostPlatform_CPP='powerpc_unknown_linux'
349         HostArch_CPP='powerpc'
350         HostVendor_CPP='unknown'
351         HostOS_CPP='linux'
352         ;;
353 s390-ibm-linux*)
354        HostPlatform=s390-ibm-linux
355        TargetPlatform=s390-ibm-linux #hack
356        BuildPlatform=s390-ibm-linux #hack
357         HostPlatform_CPP='s390_ibm_linux'
358         HostArch_CPP='s390'
359         HostVendor_CPP='ibm'
360         HostOS_CPP='linux'
361         ;;
362 sparc-sun-sunos4*)
363         HostPlatform=sparc-sun-sunos4
364         TargetPlatform=sparc-sun-sunos4 #hack
365         BuildPlatform=sparc-sun-sunos4 #hack
366         HostPlatform_CPP='sparc_sun_sunos4'
367         HostArch_CPP='sparc'
368         HostVendor_CPP='sun'
369         HostOS_CPP='sunos4'
370         ;;
371 sparc-sun-solaris2*)
372         HostPlatform=sparc-sun-solaris2
373         TargetPlatform=sparc-sun-solaris2 #hack
374         BuildPlatform=sparc-sun-solaris2 #hack
375         HostPlatform_CPP='sparc_sun_solaris2'
376         HostArch_CPP='sparc'
377         HostVendor_CPP='sun'
378         HostOS_CPP='solaris2'
379         ;;
380 sparc*-linux*)
381         HostPlatform=sparc-unknown-linux
382         TargetPlatform=sparc-unknown-linux
383         BuildPlatform=sparc-unknown-linux
384         HostPlatform_CPP='sparc_unknown_linux'
385         HostArch_CPP='sparc'
386         HostVendor_CPP='unknown'
387         HostOS_CPP='linux'
388         ;;
389 sparc-*-openbsd*)
390         HostPlatform=sparc-unknown-openbsd
391         TargetPlatform=sparc-unknown-openbsd
392         BuildPlatform=sparc-unknown-openbsd
393         HostPlatform_CPP='sparc_unknown_openbsd'
394         HostArch_CPP='sparc'
395         HostVendor_CPP='unknown'
396         HostOS_CPP='openbsd'
397         ;;
398 *)
399         echo "Unrecognised platform: $HostPlatform"
400         exit 1
401         ;;
402 esac
403 echo "Canonicalised to: $HostPlatform"
404 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
405 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
406
407 BuildPlatform_CPP=$HostPlatform_CPP
408 TargetPlatform_CPP=$HostPlatform_CPP
409 BuildArch_CPP=$HostArch_CPP
410 TargetArch_CPP=$HostArch_CPP
411 BuildOS_CPP=$HostOS_CPP
412 HostOS_Full=$host_os
413 TargetOS_CPP=$HostOS_CPP
414 BuildVendor_CPP=$HostVendor_CPP
415 TargetVendor_CPP=$HostVendor_CPP
416
417 AC_SUBST(BuildPlatform)
418 AC_SUBST(HostPlatform)
419 AC_SUBST(TargetPlatform)
420 AC_SUBST(HostPlatform_CPP)
421 AC_SUBST(BuildPlatform_CPP)
422 AC_SUBST(TargetPlatform_CPP)
423
424 AC_SUBST(HostArch_CPP)
425 AC_SUBST(BuildArch_CPP)
426 AC_SUBST(TargetArch_CPP)
427
428 AC_SUBST(HostOS_CPP)
429 AC_SUBST(HostOS_Full)
430 AC_SUBST(BuildOS_CPP)
431 AC_SUBST(TargetOS_CPP)
432
433 AC_SUBST(HostVendor_CPP)
434 AC_SUBST(BuildVendor_CPP)
435 AC_SUBST(TargetVendor_CPP)
436
437 AC_SUBST(exeext)
438
439 dnl --------------------------------------------------------------
440 dnl * Calculate absolute path to build tree
441 dnl --------------------------------------------------------------
442
443 AC_MSG_CHECKING(for path to top of build tree)
444
445 hardtop=`pwd`
446
447 dnl Remove common automounter nonsense
448 dnl
449 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
450
451 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).
452 dnl
453 case $HostPlatform in
454   i386-unknown-mingw32 | i386-unknown-cygwin32)
455         # convert $hardtop to a path that mingw will understand too
456         cyghardtop=${hardtop}
457         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
458         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
459         ;;
460   *)
461         hardtop_plat=${hardtop}
462         ;;
463 esac
464 AC_SUBST(hardtop)
465 AC_SUBST(hardtop_plat)
466
467 AC_MSG_RESULT(${hardtop})
468
469 dnl --------------------------------------------------------------
470 dnl * Project specific configuration options
471 dnl --------------------------------------------------------------
472 dnl What follows is a bunch of options that can either be configured
473 dnl through command line options to the configure script or by
474 dnl supplying defns in the build tree's mk/build.mk. Having the option to
475 dnl use either is considered a Feature.
476
477 dnl ** What command to use to compile compiler sources ?
478 dnl --------------------------------------------------------------
479
480 AC_ARG_WITH(ghc,
481 [  --with-ghc=<haskell compiler>
482         Use a command different from 'ghc' to compile GHC-specific Haskell code
483             (including GHC itself).
484 ],
485 [ WithGhc="$withval" ],
486
487   if test "$GHC" = ""; then
488     AC_PATH_PROG(GHC,ghc)
489   fi
490   WithGhc=$GHC
491 ]
492 )
493 AC_SUBST(WithGhc)
494
495 AC_ARG_WITH(hc,
496 [  --with-hc=<haskell compiler>
497         Use a command different from 'ghc' to compile generic Haskell code.
498 ],
499 [WithHc="$withval"],
500 [WithHc=$WithGhc]
501 )
502 AC_SUBST(WithHc)
503
504 if test "$WithGhc" != ""; then
505   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
506   AC_SUBST(GhcVersion)dnl
507   AC_SUBST(GhcMajVersion)dnl
508   AC_SUBST(GhcMinVersion)dnl
509   AC_SUBST(GhcPatchLevel)dnl
510 fi
511
512 AC_PATH_PROGS(NHC,nhc nhc98)
513 AC_PATH_PROG(HBC,hbc)
514
515 dnl ** Which gcc to use?
516 dnl --------------------------------------------------------------
517 AC_ARG_WITH(gcc,
518 [  --with-gcc=<gcc command>
519         Use a different command instead of 'gcc' for the GNU C compiler.
520 ],
521 [WhatGccIsCalled="$withval"
522  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
523     # Canonicalise to <drive>:/path/to/gcc
524     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
525  fi;
526  CC="$withval"],
527 [WhatGccIsCalled="gcc"]
528 )
529 AC_SUBST(WhatGccIsCalled)
530
531 dnl ** Booting from .hc files?
532 dnl --------------------------------------------------------------
533 AC_ARG_ENABLE(hc-boot,
534 [  --enable-hc-boot
535         Boot the Glasgow Haskell Compiler from intermediate .hc files.
536         (This option is mostly of interest to porters.)
537 ],
538 [BootingFromHc=YES],
539 [BootingFromHc=NO]
540 )
541 AC_SUBST(BootingFromHc)
542
543 dnl ** Booting from unregisterised .hc files?
544 dnl --------------------------------------------------------------
545 AC_ARG_ENABLE(hc-boot-unregisterised,
546 [  --enable-hc-boot-unregisterised
547         With --enable-hc-boot, treat the intermediate .hc files as
548         unregisterised rather than registerised code.
549         (This option is mostly of interest to porters.)
550 ],
551 [BootingFromUnregisterisedHc=YES],
552 [BootingFromUnregisterisedHc=NO]
553 )
554 AC_SUBST(BootingFromUnregisterisedHc)
555
556 if test "$BootingFromHc" = "NO"; then
557 if test "$BootingFromUnregisterisedHc" = "YES"; then
558 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
559 fi;
560 fi;
561
562 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
563 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
564 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
565 fi;
566
567 dnl ** Enable multi-thread friendly RTS?
568 dnl --------------------------------------------------------------
569 AC_ARG_ENABLE(threaded-rts,
570 [  --enable-threaded-rts
571         Support better interop with OS threads.
572 ],
573 [ThreadedRts=YES],
574 [ThreadedRts=NO]
575 )
576 AC_SUBST(ThreadedRts)
577
578 dnl ** Enable the construction of Win32 DLLs?
579 dnl --------------------------------------------------------------
580 dnl
581 dnl [ The ability to build the RTS and libraries as separate DLLs used
582 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
583 dnl   and build system would be required to bring it back again.)
584 dnl   Hence, exposing it as an option is false advertisement, so better
585 dnl   disable it to avoid confusion (but leave it commented-out rather
586 dnl   than removed in order to remind ourselves to bring back the 
587 dnl   feature at some stage.) ]
588 dnl
589 dnl AC_ARG_ENABLE(win32-dlls,
590 dnl [  --enable-win32-dlls
591 dnl         If on a Win32 platform running mingw32/cygwin, enable the
592 dnl     construction of DLLs containing ghc-compiled code.
593 dnl ],
594 dnl [
595 dnl case $HostOS_CPP in
596 dnl cygwin32) ;;
597 dnl mingw32)  ;;
598 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
599 dnl       exit 1
600 dnl       ;;
601 dnl esac
602 dnl EnableWin32DLLs=YES
603 dnl ],
604 dnl [EnableWin32DLLs=NO]
605 dnl )
606 dnl AC_SUBST(EnableWin32DLLs)
607 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
608 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
609 dnl fi
610
611 dnl ** Enable the building of the ObjectIO?
612 dnl --------------------------------------------------------------
613 AC_ARG_ENABLE(objectio,
614 [  --enable-objectio
615         Build ObjectIO, a portable GUI library for Haskell.
616 ],
617 [GhcLibsWithObjectIO=YES],
618 [GhcLibsWithObjectIO=NO]
619 )
620 AC_SUBST(GhcLibsWithObjectIO)
621
622 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
623 dnl --------------------------------------------------------------
624 AC_ARG_ENABLE(hopengl,
625 [  --enable-hopengl
626         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
627         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
628         of the "native" libraries.
629 ],
630 [GhcLibsWithOpenGL=YES; GhcLibsWithGLUT=YES],
631 [GhcLibsWithOpenGL=NO;  GhcLibsWithGLUT=NO]
632 )
633 UseQuartzOpenGL=NO
634 if test x"$TargetOS_CPP" = x"darwin"; then
635   if test x"$enable_hopengl" != x"x11"; then
636     AC_DEFINE([USE_QUARTZ_OPENGL], [1],
637               [Define to 1 if native OpenGL should be used on Mac OS X])
638     UseQuartzOpenGL=YES
639   fi
640 fi
641
642 AC_SUBST([GhcLibsWithOpenGL])
643 AC_SUBST([GhcLibsWithGLUT])
644
645 dnl ** .NET interop support?
646 dnl --------------------------------------------------------------
647 AC_ARG_ENABLE(dotnet,
648 [  --enable-dotnet
649         Build .NET interop layer.
650 ],
651 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
652 [DotnetSupport=NO]
653 )
654 AC_SUBST(DotnetSupport)
655
656 dnl --------------------------------------------------------------
657 dnl End of configure script option section
658 dnl --------------------------------------------------------------
659
660
661 dnl --------------------------------------------------------------
662 dnl * General configuration checks
663 dnl --------------------------------------------------------------
664
665 dnl ** Can the unix package be built?
666 dnl --------------------------------------------------------------
667
668 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
669    GhcLibsWithUnix=NO
670 else
671    GhcLibsWithUnix=YES
672 fi
673 AC_SUBST([GhcLibsWithUnix])
674
675 dnl ** does #! work?
676 AC_SYS_INTERPRETER()
677
678 dnl ** look for `perl', but only in /bin on Windows
679 case $HostOS_CPP in
680 cygwin32|mingw32)
681       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
682       if test -z "$PerlCmd"; then
683          echo "You must install the version of Perl shipped with GHC"
684          echo "(or a compatible one) in /bin."
685          exit 1
686       fi
687    ;;
688 *)
689    AC_PATH_PROG(PerlCmd,perl)
690    if test -z "$PerlCmd"; then
691       echo "You must install perl before you can continue"
692       echo "Perhaps it is already installed, but not in your PATH?"
693       exit 1
694    else
695    FPTOOLS_CHECK_PERL_VERSION
696    fi
697    ;;
698 esac
699
700 dnl ** does #! path/to/perl work? (sometimes it's too long...)
701 FPTOOLS_SHEBANG_PERL
702
703 dnl ** check for Python
704 AC_PATH_PROG(PythonCmd,python)
705
706 dnl ** look for GCC and find out which version
707 dnl     Figure out which C compiler to use.  Gcc is preferred.
708 dnl     If gcc, make sure it's at least 2.1
709 dnl
710 AC_PROG_CC
711 FPTOOLS_HAVE_GCC
712 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
713
714 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
715 AC_PROG_CPP
716
717 dnl ** Without optimization some INLINE trickery fails for GHCi
718 SRC_CC_OPTS="-O"
719
720 dnl ** Try to add -mno-cygwin to the C compiler options
721 FP_CHECK_FLAG([-mno-cygwin], [
722 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
723 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
724 AC_SUBST(SRC_CC_OPTS)
725
726 dnl ** figure out how to do context diffs
727 FP_PROG_CONTEXT_DIFF
728
729 dnl ** Find find command (for Win32's benefit)
730 FP_PROG_FIND
731
732 dnl ** figure out how to do a BSD-ish install
733 AC_PROG_INSTALL
734
735 dnl If you can run configure, you certainly have /bin/sh
736 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
737
738 dnl ** how to invoke `ar' and `ranlib'
739 FPTOOLS_PROG_AR_AND_RANLIB
740
741 dnl ** Check to see whether ln -s works
742 AC_PROG_LN_S
743
744
745 dnl ** Find the path to sed
746 AC_PATH_PROG(SedCmd,sed)
747
748
749 dnl ** check for time command
750 AC_PATH_PROG(TimeCmd,time)
751
752 dnl ** check for tar
753 dnl   if GNU tar is named gtar, look for it first.
754 AC_PATH_PROGS(TarCmd,gtar tar,tar)
755
756 dnl ** check for jade/openjade & determine a working catalog
757 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
758 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
759                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
760 if test -z "$Catalog"; then
761   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
762 fi
763 case $Catalog in
764    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
765         Catalog=
766         ;;
767    glafp*) 
768         case $HostOS_CPP in
769            mingw32)
770               Catalog=`cygpath -w $hardtop/$Catalog`
771               ;;
772            *) Catalog=$hardtop/$Catalog
773               ;;
774         esac
775    ;;
776 esac   
777 AC_SUBST(Catalog)
778
779
780 dnl ** check for ghc-pkg command
781 changequote(, )dnl
782 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
783 changequote([, ])dnl
784 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
785    GhcPkgCmd=$ghc_pkg_guess
786    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
787 else
788    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
789 fi
790
791 AC_ARG_WITH(greencard,
792 [  --with-greencard=<greencard compiler>
793         Use a command different from 'greencard' to compile GreenCard files
794 ],
795 [
796 GreenCardCmd=$withval;
797 FPTOOLS_GREENCARD(3.00)
798 ]
799 )
800
801 AC_ARG_ENABLE(src-tree-happy,
802 [  --enable-src-tree-happy
803         Build and use source tree (fptools/happy) version of Happy.
804 ],
805 [UseSrcTreeHappy=YES],
806 [UseSrcTreeHappy=NO]
807 )
808 dnl ** check for installed happy binary + version
809 dnl    (don't do it if we're booting from .hc files though.)
810 if test "$BootingFromHc" = "NO"; then
811 FPTOOLS_HAPPY
812 fi;
813
814 AC_ARG_ENABLE(src-tree-haddock,
815 [  --enable-src-tree-haddock
816         Build and use source tree (fptools/haddock) version of Haddock.
817 ],
818 [UseSrcTreeHaddock=YES],
819 [UseSrcTreeHaddock=NO]
820 )
821 dnl ** check for installed haddock
822 FPTOOLS_HADDOCK
823
824 AC_ARG_ENABLE(src-tree-alex,
825 [  --enable-src-tree-alex
826         Build and use source tree (fptools/alex) version of Alex.
827 ],
828 [UseSrcTreeAlex=YES],
829 [UseSrcTreeAlex=NO]
830 )
831 dnl ** check for installed alex binary + version
832 dnl    (don't do it if we're booting from .hc files though.)
833 if test "$BootingFromHc" = "NO"; then
834 FPTOOLS_ALEX
835 fi;
836
837 dnl --------------------------------------------------
838 dnl ### program checking section ends here ###
839 dnl --------------------------------------------------
840
841 dnl --------------------------------------------------
842 dnl * Platform header file and syscall feature tests
843 dnl ### checking the state of the local header files and syscalls ###
844
845 dnl ** check for full ANSI header (.h) files
846 AC_HEADER_STDC
847
848 dnl ** Enable large file support.  NB. do this before testing the type of
849 dnl    off_t, because it will affect the result of that test.
850 AC_SYS_LARGEFILE
851
852 dnl ** check for specific header (.h) files that we are interested in
853 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 locale.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)
854 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
855
856 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
857 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
858
859 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
860   GhcLibsWithReadline=YES
861   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
862 else
863   GhcLibsWithReadline=NO
864   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
865 fi
866 AC_SUBST(GhcLibsWithReadline)
867
868 dnl ** check for DOS include files
869 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
870
871 dnl ** check for Windows include files
872 AC_CHECK_HEADERS(windows.h)
873
874 dnl ** check for OpenGL include files
875 fp_save_cppflags="$CPPFLAGS"
876 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
877 if test $UseQuartzOpenGL = YES ; then
878   AC_CHECK_HEADERS(OpenGL/gl.h)
879 else
880   AC_CHECK_HEADERS(GL/gl.h)
881 fi
882 CPPFLAGS="$fp_save_cppflags"
883
884 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
885 AC_HEADER_TIME
886
887 dnl dynamic loading include files
888 AC_CHECK_HEADERS(dlfcn.h dl.h) 
889
890 dnl ** check for farcalloc (in bcc)
891 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
892
893 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
894 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
895
896 dnl ** check for POSIX regex
897 HavePosixRegex=NO
898 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
899 AC_SUBST(HavePosixRegex)
900
901 dnl ** how do we get a timezone name, and UTC offset ?
902 AC_STRUCT_TIMEZONE
903
904 dnl ** do we have altzone?
905 FP_DECL_ALTZONE
906
907 dnl ** does struct stat contain st_blksize?
908 AC_STRUCT_ST_BLKSIZE
909
910 dnl ** do we have long longs?
911 AC_CHECK_TYPES([long long])
912
913 dnl ** check what fields struct msghdr contains
914 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
915 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
916 # include <sys/types.h>
917 #endif
918 #if HAVE_SYS_SOCKET_H
919 # include <sys/socket.h>
920 #endif
921 #if HAVE_SYS_UIO_H
922 # include <sys/uio.h>
923 #endif])
924
925 dnl ** what are the sizes of various types
926 AC_CHECK_SIZEOF(char,               1)
927 AC_CHECK_SIZEOF(double,             8)
928 AC_CHECK_SIZEOF(float,              4)
929 AC_CHECK_SIZEOF(int,                4)
930 AC_CHECK_SIZEOF(long,               4)
931 if test "$ac_cv_type_long_long" = yes; then
932 AC_CHECK_SIZEOF(long long,          8)
933 fi
934 AC_CHECK_SIZEOF(short,              2)
935 AC_CHECK_SIZEOF(unsigned char,      1)
936 AC_CHECK_SIZEOF(unsigned int,       4)
937 AC_CHECK_SIZEOF(unsigned long,      4)
938 if test "$ac_cv_type_long_long" = yes; then
939 AC_CHECK_SIZEOF(unsigned long long, 8)
940 fi
941 AC_CHECK_SIZEOF(unsigned short,     2)
942 AC_CHECK_SIZEOF(void *,             4)
943
944 dnl ** what are alignment constraints on various types
945 FP_CHECK_ALIGNMENT(char)
946 FP_CHECK_ALIGNMENT(double)
947 FP_CHECK_ALIGNMENT(float)
948 FP_CHECK_ALIGNMENT(int)
949 FP_CHECK_ALIGNMENT(long)
950 if test "$ac_cv_type_long_long" = yes; then
951 FP_CHECK_ALIGNMENT(long long)
952 fi
953 FP_CHECK_ALIGNMENT(short)
954 FP_CHECK_ALIGNMENT(unsigned char)
955 FP_CHECK_ALIGNMENT(unsigned int)
956 FP_CHECK_ALIGNMENT(unsigned long)
957 if test "$ac_cv_type_long_long" = yes; then
958 FP_CHECK_ALIGNMENT(unsigned long long)
959 fi
960 FP_CHECK_ALIGNMENT(unsigned short)
961 FP_CHECK_ALIGNMENT(void *)
962
963 dnl ** map standard C types and ISO types to Haskell types
964 FPTOOLS_CHECK_HTYPE(char)
965 FPTOOLS_CHECK_HTYPE(signed char)
966 FPTOOLS_CHECK_HTYPE(unsigned char)
967 FPTOOLS_CHECK_HTYPE(short)
968 FPTOOLS_CHECK_HTYPE(unsigned short)
969 FPTOOLS_CHECK_HTYPE(int)
970 FPTOOLS_CHECK_HTYPE(unsigned int)
971 FPTOOLS_CHECK_HTYPE(long)
972 FPTOOLS_CHECK_HTYPE(unsigned long)
973 if test "$ac_cv_type_long_long" = yes; then
974 FPTOOLS_CHECK_HTYPE(long long)
975 FPTOOLS_CHECK_HTYPE(unsigned long long)
976 fi
977 FPTOOLS_CHECK_HTYPE(float)
978 FPTOOLS_CHECK_HTYPE(double)
979 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
980 FPTOOLS_CHECK_HTYPE(size_t)
981 FPTOOLS_CHECK_HTYPE(wchar_t)
982 dnl Int32 is a HACK for non-ISO C compilers
983 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
984 FPTOOLS_CHECK_HTYPE(clock_t)
985 FPTOOLS_CHECK_HTYPE(time_t)
986 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
987 FPTOOLS_CHECK_HTYPE(ino_t)
988 FPTOOLS_CHECK_HTYPE(mode_t)
989 FPTOOLS_CHECK_HTYPE(off_t)
990 FPTOOLS_CHECK_HTYPE(pid_t)
991 FPTOOLS_CHECK_HTYPE(gid_t)
992 FPTOOLS_CHECK_HTYPE(uid_t)
993 FPTOOLS_CHECK_HTYPE(cc_t)
994 FPTOOLS_CHECK_HTYPE(speed_t)
995 FPTOOLS_CHECK_HTYPE(tcflag_t)
996 FPTOOLS_CHECK_HTYPE(blkcnt_t)
997 FPTOOLS_CHECK_HTYPE(nlink_t)
998 FPTOOLS_CHECK_HTYPE(ssize_t)
999 FPTOOLS_CHECK_HTYPE(rlim_t)
1000 FPTOOLS_CHECK_HTYPE(wint_t)
1001
1002 dnl ** Map OpenGL data types to Haskell types
1003 if test $GhcLibsWithOpenGL = YES ; then
1004 FPTOOLS_CHECK_HTYPE(GLboolean)
1005 FPTOOLS_CHECK_HTYPE(GLbyte)
1006 FPTOOLS_CHECK_HTYPE(GLubyte)
1007 FPTOOLS_CHECK_HTYPE(GLshort)
1008 FPTOOLS_CHECK_HTYPE(GLushort)
1009 FPTOOLS_CHECK_HTYPE(GLint)
1010 FPTOOLS_CHECK_HTYPE(GLuint)
1011 FPTOOLS_CHECK_HTYPE(GLsizei)
1012 FPTOOLS_CHECK_HTYPE(GLenum)
1013 FPTOOLS_CHECK_HTYPE(GLbitfield)
1014 FPTOOLS_CHECK_HTYPE(GLfloat)
1015 FPTOOLS_CHECK_HTYPE(GLclampf)
1016 FPTOOLS_CHECK_HTYPE(GLdouble)
1017 FPTOOLS_CHECK_HTYPE(GLclampd)
1018 fi
1019
1020 FP_CHECK_CONSTS([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], [#include <stdio.h>
1021 #include <errno.h>])
1022
1023 dnl ** can we open files in binary mode?
1024 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1025
1026 dnl ** check for GetModuleFileName and WinExec (windows only)
1027 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
1028 dnl Doesn't work because the linker can't see the functions if
1029 dnl you omit the #include <windows.h>.  (I've no idea why not...)
1030
1031 FPTOOLS_TRY_LINK_NOWARN(,[
1032 #if HAVE_WINDOWS_H
1033 #include <windows.h>
1034 #endif
1035 main() { 
1036   WinExec("",0);
1037   exit(0);
1038 }
1039 ],
1040 [have_winexec=1],
1041 [have_winexec=0])
1042 if test "$have_winexec" = "1"; then
1043   AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
1044 fi
1045
1046 FPTOOLS_TRY_LINK_NOWARN(,[
1047 #if HAVE_WINDOWS_H
1048 #include <windows.h>
1049 #endif
1050 main() { 
1051   char* dir;
1052   GetModuleFileName((HMODULE)0,dir,0);
1053   exit(0);
1054 }
1055 ],
1056 [have_getmodulefilename=1],
1057 [have_getmodulefilename=0])
1058 if test "$have_getmodulefilename" = "1"; then
1059 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
1060 fi
1061
1062 dnl ** check return type of signal handlers
1063 dnl Foo: assumes we can use prototypes.
1064 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1065 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1066 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1067 dnl #include <signal.h>
1068 dnl #ifdef signal
1069 dnl #undef signal
1070 dnl #endif
1071 dnl void (*signal (int, void (*)(int)))(int);
1072 dnl ],
1073 dnl [int i;], 
1074 dnl ac_cv_type_signal_handler=void_int,
1075 dnl ac_cv_type_signal_handler=int_void)])
1076 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1077 dnl AC_DEFINE(VOID_INT_SIGNALS)
1078 dnl fi
1079
1080 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1081 AC_TYPE_SIGNAL
1082 if test "$ac_cv_type_signal" = void; then
1083   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1084 fi
1085
1086 dnl ** check for more functions
1087 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1088 AC_CHECK_FUNCS(strcmp)
1089 AC_CHECK_FUNCS(realpath _fullpath)  
1090 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1091 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1092 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1093 AC_CHECK_FUNCS(snprintf  _snprintf )  
1094 AC_CHECK_FUNCS(popen     _popen )  
1095 AC_CHECK_FUNCS(pclose    _pclose )  
1096 AC_CHECK_FUNCS(setenv unsetenv)
1097
1098
1099 dnl ** check for specific library functions that we are interested in
1100 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1101
1102 dnl ** Solaris2 needs additionl flag for getpw*_r()
1103 case "$TargetPlatform" in
1104   *-solaris2*)
1105     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1106     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1107   ;;
1108 esac
1109
1110 dnl ** check whether this machine has gmp3 installed
1111 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1112   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1113     HaveLibGmp=NO; LibGmp=not-installed))
1114 AC_SUBST(HaveLibGmp)
1115 AC_SUBST(LibGmp)
1116
1117 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1118 HaveFrameworkHaskellSupport=NO
1119 if test $HostPlatform = "powerpc-apple-darwin"; then
1120  AC_MSG_CHECKING([for HaskellSupport.framework])
1121  save_libs="$LIBS"
1122  LIBS="-framework HaskellSupport"
1123  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1124  if test $HaveFrameworkHaskellSupport = YES; then
1125   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1126  fi;
1127  LIBS="$save_libs"
1128  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1129 fi;
1130 AC_SUBST(HaveFrameworkHaskellSupport)
1131
1132 dnl ** check for mingwex library
1133 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1134 AC_SUBST(HaveLibMingwEx)
1135
1136 if test $HaveLibMingwEx = YES ; then
1137   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1138 fi
1139
1140 if test "$HaveLibGmp" = "NO"; then
1141 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1142 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1143 fi;
1144 fi;
1145
1146 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1147 dnl    the order of these tests matters: bfd needs liberty
1148 AC_CHECK_LIB(iberty, xmalloc)
1149 AC_CHECK_LIB(bfd,    bfd_init)
1150
1151 dnl ** check for wide-char classifications
1152 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1153 dnl functions if it's really there.
1154 AC_CHECK_HEADERS(wctype.h,
1155   [AC_CHECK_FUNCS(iswspace)]
1156 )
1157
1158 dnl ** check for readline, for Hugs and hslibs' Readline
1159 dnl ncurses supersedes termcap and curses, but for compatibility,
1160 dnl we have to check for all...
1161 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1162   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1163     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1164       HaveLibTermcap=NO; LibTermcap=not-installed)))
1165
1166 if test $HaveLibTermcap = YES ; then
1167   LIBS="-l$LibTermcap $LIBS"
1168   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1169 fi
1170
1171 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1172   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1173   LibsReadline="readline $LibTermcap"
1174 else
1175   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1176   LibsReadline=
1177 fi
1178 AC_SUBST(LibsReadline)
1179
1180 if test "$HaveLibReadline"; then
1181   AC_CHECK_LIB(readline, rl_erase_empty_line,
1182     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1183     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1184   AC_CHECK_LIB(readline, rl_free_undo_list,
1185     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1186     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1187 else
1188   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1189   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1190 fi
1191
1192 dnl ** check for math library
1193 FPTOOLS_CHECK_LIBM()
1194 AC_SUBST(LIBM)
1195
1196 dnl ** check for X Window System
1197 AC_PATH_XTRA()
1198
1199 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1200 if test $GhcLibsWithOpenGL = YES ; then
1201   if test $UseQuartzOpenGL = YES ; then
1202     dnl Take a shortcut for Mac OS X native OpenGL:
1203     dnl It's in a non-standard location, but it's always there
1204     GL_CFLAGS=
1205         GL_LIBS=
1206         GLUT_LIBS=
1207         AC_SUBST(GL_CFLAGS)
1208         AC_SUBST(GL_LIBS)
1209         AC_SUBST(GLUT_LIBS)
1210   else
1211     FPTOOLS_HAVE_OPENGL
1212   fi
1213 fi
1214
1215 dnl ################################################################
1216 dnl Check for libraries
1217 dnl ################################################################
1218
1219 dnl ** check for libdl & RTLD_NEXT
1220
1221 dnl (Mac OS X only) ... but don't check if we already have the
1222 dnl HaskellSupport.framework
1223
1224 if test $HaveFrameworkHaskellSupport = YES; then
1225     HaveLibDL=NO
1226     HaveRtldNext=NO
1227     HaveRtldLocal=YES
1228     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1229     HaveRtldGlobal=YES
1230     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1231     HaveRtldNow=YES
1232     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1233     AC_SUBST(HaveLibDL)
1234     AC_SUBST(HaveRtldNext)
1235     AC_SUBST(HaveRtldLocal)
1236     AC_SUBST(HaveRtldGlobal)
1237     AC_SUBST(HaveRtldNow)
1238 else
1239     AC_CHECK_LIB(dl, dlopen, 
1240         [HaveLibDL=YES
1241          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1242          LIBS="$LIBS -ldl"], 
1243         [HaveLibDL=NO])
1244     AC_CHECK_FUNCS(dlopen)
1245     AC_SUBST(HaveLibDL)
1246
1247     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1248     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1249     AC_EGREP_CPP(yes,
1250     [
1251      #include <dlfcn.h>
1252      #ifdef RTLD_NEXT
1253             yes
1254      #endif
1255     ], [
1256       AC_MSG_RESULT(yes)
1257       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1258       HaveRtldNext=YES
1259     ], [
1260       AC_MSG_RESULT(no)
1261       HaveRtldNext=NO
1262       ])    
1263     AC_SUBST(HaveRtldNext)
1264
1265     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1266     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1267     AC_EGREP_CPP(yes,
1268     [
1269      #include <dlfcn.h>
1270      #ifdef RTLD_LOCAL
1271             yes
1272      #endif
1273     ], [
1274       AC_MSG_RESULT(yes)
1275       AC_DEFINE(HAVE_RTLDLOCAL)
1276       HaveRtldLocal=YES
1277     ], [
1278       AC_MSG_RESULT(no)
1279       HaveRtldLocal=NO
1280       ])    
1281     AC_SUBST(HaveRtldLocal)
1282
1283     dnl ** RTLD_GLOBAL isn't available on openbsd
1284     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1285     AC_EGREP_CPP(yes,
1286     [
1287      #include <dlfcn.h>
1288      #ifdef RTLD_GLOBAL
1289             yes
1290      #endif
1291     ], [
1292       AC_MSG_RESULT(yes)
1293       AC_DEFINE(HAVE_RTLDGLOBAL)
1294       HaveRtldGlobal=YES
1295     ], [
1296       AC_MSG_RESULT(no)
1297       HaveRtldGlobal=NO
1298       ])    
1299     AC_SUBST(HaveRtldGlobal)
1300
1301     dnl ** RTLD_NOW isn't available on openbsd
1302     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1303     AC_EGREP_CPP(yes,
1304     [
1305      #include <dlfcn.h>
1306      #ifdef RTLD_NOW
1307             yes
1308      #endif
1309     ], [
1310       AC_MSG_RESULT(yes)
1311       AC_DEFINE(HAVE_RTLDNOW)
1312       HaveRtldNow=YES
1313     ], [
1314       AC_MSG_RESULT(no)
1315       HaveRtldNow=NO
1316       ])    
1317     AC_SUBST(HaveRtldNow)
1318 fi
1319
1320 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1321
1322 dnl ---------- usleep ----------
1323 dnl --- stolen from guile configure ---
1324 dnl --- FIXME: /usr/include/unistd.h can't be right?
1325
1326 ### On some systems usleep has no return value.  If it does have one,
1327 ### we'd like to return it; otherwise, we'll fake it.
1328 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1329   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1330                    /usr/include/unistd.h,
1331                    [cv_func_usleep_return_type=void],
1332                    [cv_func_usleep_return_type=int])])
1333 case "$cv_func_usleep_return_type" in
1334   "void" )
1335     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1336   ;;
1337 esac
1338
1339 dnl --------------------------------------------------
1340 dnl * test for in_addr_t
1341 dnl --------------------------------------------------
1342 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1343 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1344  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1345  AC_MSG_RESULT(no))
1346
1347 dnl --------------------------------------------------
1348 dnl * test for Linux sendfile(2)
1349 dnl --------------------------------------------------
1350 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1351 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1352  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1353  AC_MSG_RESULT(no))
1354
1355 dnl --------------------------------------------------
1356 dnl * test for BSD sendfile(2)
1357 dnl --------------------------------------------------
1358 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1359 AC_EGREP_HEADER(sendfile, sys/socket.h,
1360  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1361  AC_MSG_RESULT(no))
1362
1363 dnl --------------------------------------------------
1364 dnl * test for GTK+
1365 dnl --------------------------------------------------
1366
1367 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1368 if test "$GTK_CONFIG" != ""; then
1369    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1370         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1371     ])
1372     GTK_VERSION=$fptools_cv_gtk_version
1373 else
1374     GTK_VERSION=
1375 fi
1376
1377 case $fptools_cv_gtk_version in
1378   1.[[23]].*) ;;
1379   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1380      GTK_CONFIG=
1381      ;;
1382 esac
1383
1384 AC_SUBST(GTK_CONFIG)
1385 AC_SUBST(GTK_VERSION)
1386
1387 dnl --------------------------------------------------
1388 dnl * Miscellaneous feature tests
1389 dnl --------------------------------------------------
1390
1391 dnl ** can we get alloca?
1392 AC_FUNC_ALLOCA
1393
1394 dnl ** Working vfork?
1395 AC_FUNC_VFORK
1396
1397 dnl ** determine whether or not const works
1398 AC_C_CONST
1399
1400 dnl ** are we big endian?
1401 AC_C_BIGENDIAN
1402
1403 dnl ** check for leading underscores in symbol names
1404 FPTOOLS_UNDERSCORE
1405
1406 dnl ** check for ld, and whether ld has -x option
1407 AC_PATH_PROG(LdCmdRaw, ld)
1408 case $HostOS_CPP in
1409  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1410            ;;
1411  *) LdCmd=${LdCmdRaw}
1412     ;;
1413 esac
1414 AC_SUBST(LdCmd)
1415 FPTOOLS_LD_X
1416
1417 FP_EMPTY_STRUCTS
1418
1419 AC_MSG_CHECKING([for SIGPOLL])
1420 AC_EGREP_CPP(we_have_sigpoll,
1421 [#include <signal.h>
1422 #ifdef SIGPOLL
1423 we_have_sigpoll
1424 #endif
1425 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1426 AC_MSG_RESULT([$haveSIGPOLL])
1427
1428 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1429 AC_EGREP_CPP(we_have_that_sysconf_thing,
1430 [
1431 #include <unistd.h>
1432 #ifdef _SC_GETGR_R_SIZE_MAX
1433 we_have_that_sysconf_thing
1434 #endif
1435 ],
1436 [AC_MSG_RESULT([yes])
1437 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1438 [AC_MSG_RESULT([no])])
1439
1440 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1441 AC_EGREP_CPP(we_have_that_sysconf_thing,
1442 [
1443 #include <unistd.h>
1444 #ifdef _SC_GETPW_R_SIZE_MAX
1445 we_have_that_sysconf_thing
1446 #endif
1447 ],
1448 [AC_MSG_RESULT([yes])
1449 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1450 [AC_MSG_RESULT([no])])
1451
1452 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )