[project @ 2003-10-09 13:59:33 by stolz]
[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 [GhcLibsWithHOpenGL=YES],
631 [GhcLibsWithHOpenGL=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(GhcLibsWithHOpenGL)
643
644 dnl ** .NET interop support?
645 dnl --------------------------------------------------------------
646 AC_ARG_ENABLE(dotnet,
647 [  --enable-dotnet
648         Build .NET interop layer.
649 ],
650 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
651 [DotnetSupport=NO]
652 )
653 AC_SUBST(DotnetSupport)
654
655 dnl --------------------------------------------------------------
656 dnl End of configure script option section
657 dnl --------------------------------------------------------------
658
659
660 dnl --------------------------------------------------------------
661 dnl * General configuration checks
662 dnl --------------------------------------------------------------
663
664 dnl ** does #! work?
665 AC_SYS_INTERPRETER()
666
667 dnl ** look for `perl', but only in /bin on Windows
668 case $HostOS_CPP in
669 cygwin32|mingw32)
670       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
671       if test -z "$PerlCmd"; then
672          echo "You must install the version of Perl shipped with GHC"
673          echo "(or a compatible one) in /bin."
674          exit 1
675       fi
676    ;;
677 *)
678    AC_PATH_PROG(PerlCmd,perl)
679    if test -z "$PerlCmd"; then
680       echo "You must install perl before you can continue"
681       echo "Perhaps it is already installed, but not in your PATH?"
682       exit 1
683    else
684    FPTOOLS_CHECK_PERL_VERSION
685    fi
686    ;;
687 esac
688
689 dnl ** does #! path/to/perl work? (sometimes it's too long...)
690 FPTOOLS_SHEBANG_PERL
691
692 dnl ** check for Python
693 AC_PATH_PROG(PythonCmd,python)
694
695 dnl ** look for GCC and find out which version
696 dnl     Figure out which C compiler to use.  Gcc is preferred.
697 dnl     If gcc, make sure it's at least 2.1
698 dnl
699 AC_PROG_CC
700 FPTOOLS_HAVE_GCC
701 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
702
703 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
704 AC_PROG_CPP
705
706 dnl ** Without optimization some INLINE trickery fails for GHCi
707 SRC_CC_OPTS="-O"
708
709 dnl ** Try to add -mno-cygwin to the C compiler options
710 FP_CHECK_FLAG([-mno-cygwin], [
711 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
712 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
713 AC_SUBST(SRC_CC_OPTS)
714
715 dnl ** figure out how to do context diffs
716 FP_PROG_CONTEXT_DIFF
717
718 dnl ** Find find command (for Win32's benefit)
719 FPTOOLS_FIND_FIND
720
721 dnl ** figure out how to do a BSD-ish install
722 AC_PROG_INSTALL
723
724 dnl If you can run configure, you certainly have /bin/sh
725 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
726
727 dnl ** how to invoke `ar' and `ranlib'
728 FPTOOLS_PROG_AR_AND_RANLIB
729
730 dnl ** Check to see whether ln -s works
731 AC_PROG_LN_S
732
733
734 dnl ** Find the path to sed
735 AC_PATH_PROG(SedCmd,sed)
736
737
738 dnl ** check for time command
739 AC_PATH_PROG(TimeCmd,time)
740
741 dnl ** check for tar
742 dnl   if GNU tar is named gtar, look for it first.
743 AC_PATH_PROGS(TarCmd,gtar tar,tar)
744
745 dnl ** check for jade/openjade & determine a working catalog
746 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
747 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
748                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
749 if test -z "$Catalog"; then
750   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
751 fi
752 case $Catalog in
753    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
754         Catalog=
755         ;;
756    glafp*) 
757         case $HostOS_CPP in
758            mingw32)
759               Catalog=`cygpath -w $hardtop/$Catalog`
760               ;;
761            *) Catalog=$hardtop/$Catalog
762               ;;
763         esac
764    ;;
765 esac   
766 AC_SUBST(Catalog)
767
768
769 dnl ** check for ghc-pkg command
770 changequote(, )dnl
771 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
772 changequote([, ])dnl
773 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
774    GhcPkgCmd=$ghc_pkg_guess
775    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
776 else
777    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
778 fi
779
780 AC_ARG_WITH(greencard,
781 [  --with-greencard=<greencard compiler>
782         Use a command different from 'greencard' to compile GreenCard files
783 ],
784 [
785 GreenCardCmd=$withval;
786 FPTOOLS_GREENCARD(3.00)
787 ]
788 )
789
790 AC_ARG_ENABLE(src-tree-happy,
791 [  --enable-src-tree-happy
792         Build and use source tree (fptools/happy) version of Happy.
793 ],
794 [UseSrcTreeHappy=YES],
795 [UseSrcTreeHappy=NO]
796 )
797 dnl ** check for installed happy binary + version
798 dnl    (don't do it if we're booting from .hc files though.)
799 if test "$BootingFromHc" = "NO"; then
800 FPTOOLS_HAPPY
801 fi;
802
803 AC_ARG_ENABLE(src-tree-haddock,
804 [  --enable-src-tree-haddock
805         Build and use source tree (fptools/haddock) version of Haddock.
806 ],
807 [UseSrcTreeHaddock=YES],
808 [UseSrcTreeHaddock=NO]
809 )
810 dnl ** check for installed haddock
811 FPTOOLS_HADDOCK
812
813 AC_ARG_ENABLE(src-tree-alex,
814 [  --enable-src-tree-alex
815         Build and use source tree (fptools/alex) version of Alex.
816 ],
817 [UseSrcTreeAlex=YES],
818 [UseSrcTreeAlex=NO]
819 )
820 dnl ** check for installed alex binary + version
821 dnl    (don't do it if we're booting from .hc files though.)
822 if test "$BootingFromHc" = "NO"; then
823 FPTOOLS_ALEX
824 fi;
825
826 dnl --------------------------------------------------
827 dnl ### program checking section ends here ###
828 dnl --------------------------------------------------
829
830 dnl --------------------------------------------------
831 dnl * Platform header file and syscall feature tests
832 dnl ### checking the state of the local header files and syscalls ###
833
834 dnl ** check for full ANSI header (.h) files
835 AC_HEADER_STDC
836
837 dnl ** Enable large file support.  NB. do this before testing the type of
838 dnl    off_t, because it will affect the result of that test.
839 AC_SYS_LARGEFILE
840
841 dnl ** check for specific header (.h) files that we are interested in
842 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)
843 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
844
845 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
846 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
847
848 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
849   HaveReadlineHeaders=YES
850   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
851 else
852   HaveReadlineHeaders=NO
853   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
854 fi
855 AC_SUBST(HaveReadlineHeaders)
856
857 dnl ** check for DOS include files
858 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
859
860 dnl ** check for Windows include files
861 AC_CHECK_HEADERS(windows.h)
862
863 dnl ** check for OpenGL include files
864 if test $UseQuartzOpenGL = YES ; then
865   AC_CHECK_HEADERS(OpenGL/gl.h)
866 else
867   AC_CHECK_HEADERS(GL/gl.h)
868 fi
869
870 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
871 AC_HEADER_TIME
872
873 dnl dynamic loading include files
874 AC_CHECK_HEADERS(dlfcn.h dl.h) 
875
876 dnl ** check for farcalloc (in bcc)
877 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
878
879 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
880 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
881
882 dnl ** check for POSIX regex
883 HavePosixRegex=NO
884 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
885 AC_SUBST(HavePosixRegex)
886
887 dnl ** how do we get a timezone name, and UTC offset ?
888 AC_STRUCT_TIMEZONE
889
890 dnl ** do we have altzone?
891 FP_DECL_ALTZONE
892
893 dnl ** does struct stat contain st_blksize?
894 AC_STRUCT_ST_BLKSIZE
895
896 dnl ** do we have long longs?
897 AC_CHECK_TYPES([long long])
898
899 dnl ** check what fields struct msghdr contains
900 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
901 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
902 # include <sys/types.h>
903 #endif
904 #if HAVE_SYS_SOCKET_H
905 # include <sys/socket.h>
906 #endif
907 #if HAVE_SYS_UIO_H
908 # include <sys/uio.h>
909 #endif])
910
911 dnl ** what are the sizes of various types
912 AC_CHECK_SIZEOF(char,               1)
913 AC_CHECK_SIZEOF(double,             8)
914 AC_CHECK_SIZEOF(float,              4)
915 AC_CHECK_SIZEOF(int,                4)
916 AC_CHECK_SIZEOF(long,               4)
917 if test "$ac_cv_type_long_long" = yes; then
918 AC_CHECK_SIZEOF(long long,          8)
919 fi
920 AC_CHECK_SIZEOF(short,              2)
921 AC_CHECK_SIZEOF(unsigned char,      1)
922 AC_CHECK_SIZEOF(unsigned int,       4)
923 AC_CHECK_SIZEOF(unsigned long,      4)
924 if test "$ac_cv_type_long_long" = yes; then
925 AC_CHECK_SIZEOF(unsigned long long, 8)
926 fi
927 AC_CHECK_SIZEOF(unsigned short,     2)
928 AC_CHECK_SIZEOF(void *,             4)
929
930 dnl ** what are alignment constraints on various types
931 FP_CHECK_ALIGNMENT(char)
932 FP_CHECK_ALIGNMENT(double)
933 FP_CHECK_ALIGNMENT(float)
934 FP_CHECK_ALIGNMENT(int)
935 FP_CHECK_ALIGNMENT(long)
936 if test "$ac_cv_type_long_long" = yes; then
937 FP_CHECK_ALIGNMENT(long long)
938 fi
939 FP_CHECK_ALIGNMENT(short)
940 FP_CHECK_ALIGNMENT(unsigned char)
941 FP_CHECK_ALIGNMENT(unsigned int)
942 FP_CHECK_ALIGNMENT(unsigned long)
943 if test "$ac_cv_type_long_long" = yes; then
944 FP_CHECK_ALIGNMENT(unsigned long long)
945 fi
946 FP_CHECK_ALIGNMENT(unsigned short)
947 FP_CHECK_ALIGNMENT(void *)
948
949 dnl ** map standard C types and ISO types to Haskell types
950 FPTOOLS_CHECK_HTYPE(char)
951 FPTOOLS_CHECK_HTYPE(signed char)
952 FPTOOLS_CHECK_HTYPE(unsigned char)
953 FPTOOLS_CHECK_HTYPE(short)
954 FPTOOLS_CHECK_HTYPE(unsigned short)
955 FPTOOLS_CHECK_HTYPE(int)
956 FPTOOLS_CHECK_HTYPE(unsigned int)
957 FPTOOLS_CHECK_HTYPE(long)
958 FPTOOLS_CHECK_HTYPE(unsigned long)
959 if test "$ac_cv_type_long_long" = yes; then
960 FPTOOLS_CHECK_HTYPE(long long)
961 FPTOOLS_CHECK_HTYPE(unsigned long long)
962 fi
963 FPTOOLS_CHECK_HTYPE(float)
964 FPTOOLS_CHECK_HTYPE(double)
965 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
966 FPTOOLS_CHECK_HTYPE(size_t)
967 FPTOOLS_CHECK_HTYPE(wchar_t)
968 dnl Int32 is a HACK for non-ISO C compilers
969 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
970 FPTOOLS_CHECK_HTYPE(clock_t)
971 FPTOOLS_CHECK_HTYPE(time_t)
972 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
973 FPTOOLS_CHECK_HTYPE(ino_t)
974 FPTOOLS_CHECK_HTYPE(mode_t)
975 FPTOOLS_CHECK_HTYPE(off_t)
976 FPTOOLS_CHECK_HTYPE(pid_t)
977 FPTOOLS_CHECK_HTYPE(gid_t)
978 FPTOOLS_CHECK_HTYPE(uid_t)
979 FPTOOLS_CHECK_HTYPE(cc_t)
980 FPTOOLS_CHECK_HTYPE(speed_t)
981 FPTOOLS_CHECK_HTYPE(tcflag_t)
982 FPTOOLS_CHECK_HTYPE(blkcnt_t)
983 FPTOOLS_CHECK_HTYPE(nlink_t)
984 FPTOOLS_CHECK_HTYPE(ssize_t)
985 FPTOOLS_CHECK_HTYPE(rlim_t)
986
987 dnl ** Map OpenGL data types to Haskell types
988 if test $GhcLibsWithHOpenGL = YES ; then
989 FPTOOLS_CHECK_HTYPE(GLboolean)
990 FPTOOLS_CHECK_HTYPE(GLbyte)
991 FPTOOLS_CHECK_HTYPE(GLubyte)
992 FPTOOLS_CHECK_HTYPE(GLshort)
993 FPTOOLS_CHECK_HTYPE(GLushort)
994 FPTOOLS_CHECK_HTYPE(GLint)
995 FPTOOLS_CHECK_HTYPE(GLuint)
996 FPTOOLS_CHECK_HTYPE(GLsizei)
997 FPTOOLS_CHECK_HTYPE(GLenum)
998 FPTOOLS_CHECK_HTYPE(GLbitfield)
999 FPTOOLS_CHECK_HTYPE(GLfloat)
1000 FPTOOLS_CHECK_HTYPE(GLclampf)
1001 FPTOOLS_CHECK_HTYPE(GLdouble)
1002 FPTOOLS_CHECK_HTYPE(GLclampd)
1003 fi
1004
1005 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>
1006 #include <errno.h>])
1007
1008 dnl ** can we open files in binary mode?
1009 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1010
1011 dnl ** check for GetModuleFileName and WinExec (windows only)
1012 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
1013 dnl Doesn't work because the linker can't see the functions if
1014 dnl you omit the #include <windows.h>.  (I've no idea why not...)
1015
1016 FPTOOLS_TRY_LINK_NOWARN(,[
1017 #if HAVE_WINDOWS_H
1018 #include <windows.h>
1019 #endif
1020 main() { 
1021   WinExec("",0);
1022   exit(0);
1023 }
1024 ],
1025 [have_winexec=1],
1026 [have_winexec=0])
1027 if test "$have_winexec" = "1"; then
1028   AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
1029 fi
1030
1031 FPTOOLS_TRY_LINK_NOWARN(,[
1032 #if HAVE_WINDOWS_H
1033 #include <windows.h>
1034 #endif
1035 main() { 
1036   char* dir;
1037   GetModuleFileName((HMODULE)0,dir,0);
1038   exit(0);
1039 }
1040 ],
1041 [have_getmodulefilename=1],
1042 [have_getmodulefilename=0])
1043 if test "$have_getmodulefilename" = "1"; then
1044 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
1045 fi
1046
1047 dnl ** check return type of signal handlers
1048 dnl Foo: assumes we can use prototypes.
1049 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1050 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1051 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1052 dnl #include <signal.h>
1053 dnl #ifdef signal
1054 dnl #undef signal
1055 dnl #endif
1056 dnl void (*signal (int, void (*)(int)))(int);
1057 dnl ],
1058 dnl [int i;], 
1059 dnl ac_cv_type_signal_handler=void_int,
1060 dnl ac_cv_type_signal_handler=int_void)])
1061 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1062 dnl AC_DEFINE(VOID_INT_SIGNALS)
1063 dnl fi
1064
1065 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1066 AC_TYPE_SIGNAL
1067 if test "$ac_cv_type_signal" = void; then
1068   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1069 fi
1070
1071 dnl ** check for more functions
1072 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1073 AC_CHECK_FUNCS(strcmp)
1074 AC_CHECK_FUNCS(realpath _fullpath)  
1075 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1076 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1077 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1078 AC_CHECK_FUNCS(snprintf  _snprintf )  
1079 AC_CHECK_FUNCS(popen     _popen )  
1080 AC_CHECK_FUNCS(pclose    _pclose )  
1081 AC_CHECK_FUNCS(setenv unsetenv)
1082
1083
1084 dnl ** check for specific library functions that we are interested in
1085 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1086
1087 dnl ** Solaris2 needs additionl flag for getpw*_r()
1088 case "$TargetPlatform" in
1089   *-solaris2*)
1090     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1091     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1092   ;;
1093 esac
1094
1095 dnl ** check whether this machine has gmp3 installed
1096 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1097   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1098     HaveLibGmp=NO; LibGmp=not-installed))
1099 AC_SUBST(HaveLibGmp)
1100 AC_SUBST(LibGmp)
1101
1102 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1103 HaveFrameworkHaskellSupport=NO
1104 if test $HostPlatform = "powerpc-apple-darwin"; then
1105  AC_MSG_CHECKING([for HaskellSupport.framework])
1106  save_libs="$LIBS"
1107  LIBS="-framework HaskellSupport"
1108  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1109  if test $HaveFrameworkHaskellSupport = YES; then
1110   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1111  fi;
1112  LIBS="$save_libs"
1113  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1114 fi;
1115 AC_SUBST(HaveFrameworkHaskellSupport)
1116
1117 dnl ** check for mingwex library
1118 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1119 AC_SUBST(HaveLibMingwEx)
1120
1121 if test $HaveLibMingwEx = YES ; then
1122   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1123 fi
1124
1125 if test "$HaveLibGmp" = "NO"; then
1126 if test "$HostArch_CPP" = "ia64"; then
1127 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1128 fi;
1129 fi;
1130
1131 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1132 dnl    the order of these tests matters: bfd needs liberty
1133 AC_CHECK_LIB(iberty, xmalloc)
1134 AC_CHECK_LIB(bfd,    bfd_init)
1135
1136 dnl ** check for wide-char classifications
1137 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1138 dnl functions if it's really there.
1139 AC_CHECK_HEADERS(wctype.h,
1140   AC_CHECK_FUNCS(iswspace)
1141 )
1142
1143 dnl ** check for readline, for Hugs and hslibs' Readline
1144 dnl ncurses supersedes termcap and curses, but for compatibility,
1145 dnl we have to check for all...
1146 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1147   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1148     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1149       HaveLibTermcap=NO; LibTermcap=not-installed)))
1150
1151 if test $HaveLibTermcap = YES ; then
1152   LIBS="-l$LibTermcap $LIBS"
1153   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1154 fi
1155
1156 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1157   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1158   LibsReadline="readline $LibTermcap"
1159 else
1160   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1161   LibsReadline=
1162 fi
1163 AC_SUBST(LibsReadline)
1164
1165 if test "$HaveLibReadline"; then
1166   AC_CHECK_LIB(readline, rl_erase_empty_line,
1167     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1168     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1169   AC_CHECK_LIB(readline, rl_free_undo_list,
1170     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1171     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1172 else
1173   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1174   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1175 fi
1176
1177 dnl ** check for math library
1178 FPTOOLS_CHECK_LIBM()
1179 AC_SUBST(LIBM)
1180
1181 dnl ** check for X Window System
1182 AC_PATH_XTRA()
1183
1184 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1185 if test $GhcLibsWithHOpenGL = YES ; then
1186   if test $UseQuartzOpenGL = YES ; then
1187     dnl Take a shortcut for Mac OS X native OpenGL:
1188     dnl It's in a non-standard location, but it's always there
1189     GL_CFLAGS=
1190         GL_LIBS=
1191         GLUT_LIBS=
1192         AC_SUBST(GL_CFLAGS)
1193         AC_SUBST(GL_LIBS)
1194         AC_SUBST(GLUT_LIBS)
1195   else
1196     FPTOOLS_HAVE_OPENGL
1197   fi
1198 fi
1199
1200 dnl ################################################################
1201 dnl Check for libraries
1202 dnl ################################################################
1203
1204 dnl ** check for libdl & RTLD_NEXT
1205
1206 dnl (Mac OS X only) ... but don't check if we already have the
1207 dnl HaskellSupport.framework
1208
1209 if test $HaveFrameworkHaskellSupport = YES; then
1210     HaveLibDL=NO
1211     HaveRtldNext=NO
1212     HaveRtldLocal=YES
1213     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1214     HaveRtldGlobal=YES
1215     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1216     HaveRtldNow=YES
1217     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1218     AC_SUBST(HaveLibDL)
1219     AC_SUBST(HaveRtldNext)
1220     AC_SUBST(HaveRtldLocal)
1221     AC_SUBST(HaveRtldGlobal)
1222     AC_SUBST(HaveRtldNow)
1223 else
1224     AC_CHECK_LIB(dl, dlopen, 
1225         [HaveLibDL=YES
1226          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1227          LIBS="$LIBS -ldl"], 
1228         [HaveLibDL=NO])
1229     AC_CHECK_FUNCS(dlopen)
1230     AC_SUBST(HaveLibDL)
1231
1232     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1233     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1234     AC_EGREP_CPP(yes,
1235     [
1236      #include <dlfcn.h>
1237      #ifdef RTLD_NEXT
1238             yes
1239      #endif
1240     ], [
1241       AC_MSG_RESULT(yes)
1242       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1243       HaveRtldNext=YES
1244     ], [
1245       AC_MSG_RESULT(no)
1246       HaveRtldNext=NO
1247       ])    
1248     AC_SUBST(HaveRtldNext)
1249
1250     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1251     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1252     AC_EGREP_CPP(yes,
1253     [
1254      #include <dlfcn.h>
1255      #ifdef RTLD_LOCAL
1256             yes
1257      #endif
1258     ], [
1259       AC_MSG_RESULT(yes)
1260       AC_DEFINE(HAVE_RTLDLOCAL)
1261       HaveRtldLocal=YES
1262     ], [
1263       AC_MSG_RESULT(no)
1264       HaveRtldLocal=NO
1265       ])    
1266     AC_SUBST(HaveRtldLocal)
1267
1268     dnl ** RTLD_GLOBAL isn't available on openbsd
1269     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1270     AC_EGREP_CPP(yes,
1271     [
1272      #include <dlfcn.h>
1273      #ifdef RTLD_GLOBAL
1274             yes
1275      #endif
1276     ], [
1277       AC_MSG_RESULT(yes)
1278       AC_DEFINE(HAVE_RTLDGLOBAL)
1279       HaveRtldGlobal=YES
1280     ], [
1281       AC_MSG_RESULT(no)
1282       HaveRtldGlobal=NO
1283       ])    
1284     AC_SUBST(HaveRtldGlobal)
1285
1286     dnl ** RTLD_NOW isn't available on openbsd
1287     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1288     AC_EGREP_CPP(yes,
1289     [
1290      #include <dlfcn.h>
1291      #ifdef RTLD_NOW
1292             yes
1293      #endif
1294     ], [
1295       AC_MSG_RESULT(yes)
1296       AC_DEFINE(HAVE_RTLDNOW)
1297       HaveRtldNow=YES
1298     ], [
1299       AC_MSG_RESULT(no)
1300       HaveRtldNow=NO
1301       ])    
1302     AC_SUBST(HaveRtldNow)
1303 fi
1304
1305 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1306
1307 dnl ---------- usleep ----------
1308 dnl --- stolen from guile configure ---
1309 dnl --- FIXME: /usr/include/unistd.h can't be right?
1310
1311 ### On some systems usleep has no return value.  If it does have one,
1312 ### we'd like to return it; otherwise, we'll fake it.
1313 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1314   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1315                    /usr/include/unistd.h,
1316                    [cv_func_usleep_return_type=void],
1317                    [cv_func_usleep_return_type=int])])
1318 case "$cv_func_usleep_return_type" in
1319   "void" )
1320     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1321   ;;
1322 esac
1323
1324 dnl --------------------------------------------------
1325 dnl * test for in_addr_t
1326 dnl --------------------------------------------------
1327 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1328 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1329  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1330  AC_MSG_RESULT(no))
1331
1332 dnl --------------------------------------------------
1333 dnl * test for Linux sendfile(2)
1334 dnl --------------------------------------------------
1335 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1336 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1337  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1338  AC_MSG_RESULT(no))
1339
1340 dnl --------------------------------------------------
1341 dnl * test for BSD sendfile(2)
1342 dnl --------------------------------------------------
1343 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1344 AC_EGREP_HEADER(sendfile, sys/socket.h,
1345  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1346  AC_MSG_RESULT(no))
1347
1348 dnl --------------------------------------------------
1349 dnl * test for GTK+
1350 dnl --------------------------------------------------
1351
1352 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1353 if test "$GTK_CONFIG" != ""; then
1354    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1355         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1356     ])
1357     GTK_VERSION=$fptools_cv_gtk_version
1358 else
1359     GTK_VERSION=
1360 fi
1361
1362 case $fptools_cv_gtk_version in
1363   1.[[23]].*) ;;
1364   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1365      GTK_CONFIG=
1366      ;;
1367 esac
1368
1369 AC_SUBST(GTK_CONFIG)
1370 AC_SUBST(GTK_VERSION)
1371
1372 dnl --------------------------------------------------
1373 dnl * Miscellaneous feature tests
1374 dnl --------------------------------------------------
1375
1376 dnl ** can we get alloca?
1377 AC_FUNC_ALLOCA
1378
1379 dnl ** Working vfork?
1380 AC_FUNC_VFORK
1381
1382 dnl ** determine whether or not const works
1383 AC_C_CONST
1384
1385 dnl ** are we big endian?
1386 AC_C_BIGENDIAN
1387
1388 dnl ** check for leading underscores in symbol names
1389 FPTOOLS_UNDERSCORE
1390
1391 dnl ** check for ld, and whether ld has -x option
1392 AC_PATH_PROG(LdCmdRaw, ld)
1393 case $HostOS_CPP in
1394  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1395            ;;
1396  *) LdCmd=${LdCmdRaw}
1397     ;;
1398 esac
1399 AC_SUBST(LdCmd)
1400 FPTOOLS_LD_X
1401
1402 AC_MSG_CHECKING([for SIGPOLL])
1403 AC_EGREP_CPP(we_have_sigpoll,
1404 [#include <signal.h>
1405 #ifdef SIGPOLL
1406 we_have_sigpoll
1407 #endif
1408 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1409 AC_MSG_RESULT([$haveSIGPOLL])
1410
1411 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1412 AC_EGREP_CPP(we_have_that_sysconf_thing,
1413 [
1414 #include <unistd.h>
1415 #ifdef _SC_GETGR_R_SIZE_MAX
1416 we_have_that_sysconf_thing
1417 #endif
1418 ],
1419 [AC_MSG_RESULT([yes])
1420 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1421 [AC_MSG_RESULT([no])])
1422
1423 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1424 AC_EGREP_CPP(we_have_that_sysconf_thing,
1425 [
1426 #include <unistd.h>
1427 #ifdef _SC_GETPW_R_SIZE_MAX
1428 we_have_that_sysconf_thing
1429 #endif
1430 ],
1431 [AC_MSG_RESULT([yes])
1432 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1433 [AC_MSG_RESULT([no])])
1434
1435 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )