[project @ 2003-08-18 13:54:04 by panne]
[ghc-hetmet.git] / configure.ac
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
3 dnl  (or some such) to see the outline of this file)
4 dnl
5 #
6 # (c) The AQUA Project, Glasgow University, 1994-1998
7 #
8 # Configure script template for the Glasgow functional programming tools
9 #
10 # Process with 'autoconf' to get a working configure script.
11 #
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
14 #
15
16 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
18
19 dnl * We require autoconf version 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE
20 AC_PREREQ(2.50)
21
22 dnl * Declare subdirectories that have a private configure script
23 dnl
24 dnl After the toplevel configuration is complete, the script will recurse into
25 dnl these subdirectories (the use of cache values makes repeated checks cheap)
26 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
27 AC_CONFIG_SUBDIRS(ghc)
28
29 # -------------------------------------------------------------------------
30 # Prepare to generate the following header files
31 #
32 #
33 AC_CONFIG_HEADER(mk/config.h)
34
35 # No, semi-sadly, we don't do `--srcdir'...
36 if test x"$srcdir" != 'x.' ; then
37     echo "This configuration does not support the \`--srcdir' option.."
38     exit 1
39 fi
40
41 dnl--------------------------------------------------------------------
42 dnl * Choose host(/target/build) platform
43 dnl--------------------------------------------------------------------
44
45 dnl Guess host/target/build platform(s) if necessary.
46 AC_CANONICAL_SYSTEM
47
48 # "$host" defaults to "$target"
49 if test "x$host" = xNONE ; then
50     host=$target
51 fi
52
53 dnl ** canonicalize platform names
54 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
55 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
56 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
57
58 if test x"$TargetPlatform" != x"$HostPlatform" ; then
59     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
60     exit 1
61 fi
62
63 exeext=''
64 #
65 # The following will be more difficult when we *are* cross-compiling.
66 # Suitable names to slam in *_CPP are in platform.h.in.
67 # We also record the architecture, vendor, and operating system (OS)
68 # separately.
69 case $HostPlatform in
70 alpha*-dec-osf[[12]]*)
71         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
72         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
73         BuildPlatform=alpha-dec-osf1  # hack
74         HostPlatform_CPP='alpha_dec_osf1'
75         HostArch_CPP='alpha'
76         HostVendor_CPP='dec'
77         HostOS_CPP='osf1'
78         ;;
79 alpha*-dec-osf[[345]]*)
80         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
81         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
82         BuildPlatform=alpha-dec-osf3  # hack
83         HostPlatform_CPP='alpha_dec_osf3'
84         HostArch_CPP='alpha'
85         HostVendor_CPP='dec'
86         HostOS_CPP='osf3'
87         ;;
88 alpha*-unknown-linux*)
89         HostPlatform=alpha-unknown-linux
90         TargetPlatform=alpha-unknown-linux
91         BuildPlatform=alpha-unknown-linux
92         HostPlatform_CPP='alpha_unknown_linux'
93         HostArch_CPP='alpha'
94         HostVendor_CPP='unknown'
95         HostOS_CPP='linux'
96         ;;
97 alpha*-unknown-freebsd*)
98         HostPlatform=alpha-unknown-freebsd
99         TargetPlatform=alpha-unknown-freebsd
100         BuildPlatform=alpha-unknown-freebsd
101         HostPlatform_CPP='alpha_unknown_freebsd'
102         HostArch_CPP='alpha'
103         HostVendor_CPP='unknown'
104         HostOS_CPP='freebsd'
105         ;;
106 hppa1.1-hp-hpux*)
107         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
108         TargetPlatform=hppa1.1-hp-hpux
109         BuildPlatform=hppa1.1-hp-hpux
110         HostPlatform_CPP='hppa1_1_hp_hpux'
111         HostArch_CPP='hppa1_1'
112         HostVendor_CPP='hp'
113         HostOS_CPP='hpux'
114         ;;
115 i[[3456]]86-*-linuxaout*)
116         HostPlatform=i386-unknown-linuxaout   # hack again
117         TargetPlatform=i386-unknown-linuxaout
118         BuildPlatform=i386-unknown-linuxaout
119         HostPlatform_CPP='i386_unknown_linuxaout'
120         HostArch_CPP='i386'
121         HostVendor_CPP='unknown'
122         HostOS_CPP='linuxaout'
123         ;;
124 i[[3456]]86-*-linux*)
125         HostPlatform=i386-unknown-linux # hack again
126         TargetPlatform=i386-unknown-linux
127         BuildPlatform=i386-unknown-linux
128         HostPlatform_CPP='i386_unknown_linux'
129         HostArch_CPP='i386'
130         HostVendor_CPP='unknown'
131         HostOS_CPP='linux'
132         ;;
133 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
134         HostPlatform=i386-unknown-freebsd # hack again
135         TargetPlatform=i386-unknown-freebsd
136         BuildPlatform=i386-unknown-freebsd
137         HostPlatform_CPP='i386_unknown_freebsd'
138         HostArch_CPP='i386'
139         HostVendor_CPP='unknown'
140         HostOS_CPP='freebsd'
141         ;;
142 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
143         HostPlatform=i386-unknown-freebsd2 # hack again
144         TargetPlatform=i386-unknown-freebsd2
145         BuildPlatform=i386-unknown-freebsd2
146         HostPlatform_CPP='i386_unknown_freebsd2'
147         HostArch_CPP='i386'
148         HostVendor_CPP='unknown'
149         HostOS_CPP='freebsd2'
150         ;;
151 i[[3456]]86-*-netbsd*)
152         HostPlatform=i386-unknown-netbsd # hack again
153         TargetPlatform=i386-unknown-netbsd
154         BuildPlatform=i386-unknown-netbsd
155         HostPlatform_CPP='i386_unknown_netbsd'
156         HostArch_CPP='i386'
157         HostVendor_CPP='unknown'
158         HostOS_CPP='netbsd'
159         ;;
160 i[[3456]]86-*-openbsd*)
161         HostPlatform=i386-unknown-openbsd # hack again
162         TargetPlatform=i386-unknown-openbsd
163         BuildPlatform=i386-unknown-openbsd
164         HostPlatform_CPP='i386_unknown_openbsd'
165         HostArch_CPP='i386'
166         HostVendor_CPP='unknown'
167         HostOS_CPP='openbsd'
168         ;;
169 i[[3456]]86-*-solaris2*)
170         HostPlatform=i386-unknown-solaris2 # hack again
171         TargetPlatform=i386-unknown-solaris2
172         BuildPlatform=i386-unknown-solaris2
173         HostPlatform_CPP='i386_unknown_solaris2'
174         HostArch_CPP='i386'
175         HostVendor_CPP='unknown'
176         HostOS_CPP='solaris2'
177         ;;
178 i[[3456]]86-*-cygwin*)
179         HostPlatform=i386-unknown-cygwin32 # hack again
180         TargetPlatform=i386-unknown-cygwin32
181         BuildPlatform=i386-unknown-cygwin32
182         HostPlatform_CPP='i386_unknown_cygwin32'
183         HostArch_CPP='i386'
184         HostVendor_CPP='unknown'
185         HostOS_CPP='cygwin32'
186         exeext='.exe'
187         ;;
188 i[[3456]]86-*-mingw32*)
189         HostPlatform=i386-unknown-mingw32 # hack again
190         TargetPlatform=i386-unknown-mingw32
191         BuildPlatform=i386-unknown-mingw32
192         HostPlatform_CPP='i386_unknown_mingw32'
193         HostArch_CPP='i386'
194         HostVendor_CPP='unknown'
195         HostOS_CPP='mingw32'
196         exeext='.exe'
197         ;;
198 ia64-*-linux*)
199         HostPlatform=ia64-unknown-linux # hack again
200         TargetPlatform=ia64-unknown-linux
201         BuildPlatform=ia64-unknown-linux
202         HostPlatform_CPP='ia64_unknown_linux'
203         HostArch_CPP='ia64'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='linux'
206         ;;
207 m68k-next-nextstep2)
208         HostPlatform_CPP='m68k_next_nextstep2'
209         HostArch_CPP='m68k'
210         HostVendor_CPP='next'
211         HostOS_CPP='nextstep2'
212         ;;
213 m68k-next-nextstep3)
214         HostPlatform_CPP='m68k_next_nextstep3'
215         HostArch_CPP='m68k'
216         HostVendor_CPP='next'
217         HostOS_CPP='nextstep3'
218         ;;
219 i[[3456]]86-next-nextstep3)
220         HostPlatform=i386-next-nextstep3 # hack again
221         TargetPlatform=i386-next-nextstep3
222         BuildPlatform=i386-next-nextstep3
223         HostPlatform_CPP='i386_next_nextstep3'
224         HostArch_CPP='i386'
225         HostVendor_CPP='next'
226         HostOS_CPP='nextstep3'
227         ;;
228 m68k-*-openbsd*)
229         HostPlatform=m68k-unknown-openbsd
230         TargetPlatform=m68k-unknown-openbsd
231         BuildPlatform=m68k-unknown-openbsd
232         HostPlatform_CPP='m68k_unknown_openbsd'
233         HostArch_CPP='m68k'
234         HostVendor_CPP='unknown'
235         HostOS_CPP='openbsd'
236         ;;
237 m68k-apple-netbsd*)
238         HostPlatform=m68k-apple-netbsd
239         TargetPlatform=m68k-apple-netbsd
240         BuildPlatform=m68k-apple-netbsd
241         HostPlatform_CPP='m68k_apple_netbsd'
242         HostArch_CPP='m68k'
243         HostVendor_CPP='apple'
244         HostOS_CPP='netbsd'
245         ;;
246 m68k-sun-sunos4*)
247         HostPlatform=m68k-sun-sunos4
248         TargetPlatform=m68k-sun-sunos4 #hack
249         BuildPlatform=m68k-sun-sunos4 #hack
250         HostPlatform_CPP='m68k_sun_sunos4'
251         HostArch_CPP='m68k'
252         HostVendor_CPP='sun'
253         HostOS_CPP='sunos4'
254         ;;
255 mips-dec-ultrix*)
256         HostPlatform_CPP='mips_dec_ultrix'
257         HostArch_CPP='mipsel'   # NB a little different
258         HostVendor_CPP='dec'
259         HostOS_CPP='ultrix'
260         ;;
261 mips-sgi-irix*)
262         HostPlatform=mips-sgi-irix
263         TargetPlatform=mips-sgi-irix #hack
264         BuildPlatform=mips-sgi-irix #hack
265         HostPlatform_CPP='mips_sgi_irix'
266         HostArch_CPP='mipseb'   # NB a little different
267         HostVendor_CPP='sgi'
268         HostOS_CPP='irix'
269         ;;
270 rs6000-ibm-aix*)
271         HostPlatform=rs6000-ibm-aix
272         TargetPlatform=rs6000-ibm-aix #hack
273         BuildPlatform=rs6000-ibm-aix #hack
274         HostPlatform_CPP='rs6000_ibm_aix'
275         HostArch_CPP='rs6000'
276         HostVendor_CPP='ibm'
277         HostOS_CPP='aix'
278         ;;
279 powerpc-ibm-aix*)
280         HostPlatform=powerpc-ibm-aix
281         TargetPlatform=powerpc-ibm-aix #hack
282         BuildPlatform=powerpc-ibm-aix #hack
283         HostPlatform_CPP='powerpc_ibm_aix'
284         HostArch_CPP='powerpc'
285         HostVendor_CPP='ibm'
286         HostOS_CPP='aix'
287         ;;
288 powerpc-apple-darwin*)
289         HostPlatform=powerpc-apple-darwin
290         TargetPlatform=powerpc-apple-darwin #hack
291         BuildPlatform=powerpc-apple-darwin #hack
292         HostPlatform_CPP='powerpc_apple_darwin'
293         HostArch_CPP='powerpc'
294         HostVendor_CPP='apple'
295         HostOS_CPP='darwin'
296         ;;
297 sparc-sun-sunos4*)
298         HostPlatform=sparc-sun-sunos4
299         TargetPlatform=sparc-sun-sunos4 #hack
300         BuildPlatform=sparc-sun-sunos4 #hack
301         HostPlatform_CPP='sparc_sun_sunos4'
302         HostArch_CPP='sparc'
303         HostVendor_CPP='sun'
304         HostOS_CPP='sunos4'
305         ;;
306 sparc-sun-solaris2*)
307         HostPlatform=sparc-sun-solaris2
308         TargetPlatform=sparc-sun-solaris2 #hack
309         BuildPlatform=sparc-sun-solaris2 #hack
310         HostPlatform_CPP='sparc_sun_solaris2'
311         HostArch_CPP='sparc'
312         HostVendor_CPP='sun'
313         HostOS_CPP='solaris2'
314         ;;
315 sparc*-linux*)
316         HostPlatform=sparc-unknown-linux
317         TargetPlatform=sparc-unknown-linux
318         BuildPlatform=sparc-unknown-linux
319         HostPlatform_CPP='sparc_unknown_linux'
320         HostArch_CPP='sparc'
321         HostVendor_CPP='unknown'
322         HostOS_CPP='linux'
323         ;;
324 sparc-*-openbsd*)
325         HostPlatform=sparc-unknown-openbsd
326         TargetPlatform=sparc-unknown-openbsd
327         BuildPlatform=sparc-unknown-openbsd
328         HostPlatform_CPP='sparc_unknown_openbsd'
329         HostArch_CPP='sparc'
330         HostVendor_CPP='unknown'
331         HostOS_CPP='openbsd'
332         ;;
333 *)
334         echo "Unrecognised platform: $HostPlatform"
335         exit 1
336         ;;
337 esac
338 echo "Canonicalised to: $HostPlatform"
339 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
340 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
341
342 BuildPlatform_CPP=$HostPlatform_CPP
343 TargetPlatform_CPP=$HostPlatform_CPP
344 BuildArch_CPP=$HostArch_CPP
345 TargetArch_CPP=$HostArch_CPP
346 BuildOS_CPP=$HostOS_CPP
347 HostOS_Full=$host_os
348 TargetOS_CPP=$HostOS_CPP
349 BuildVendor_CPP=$HostVendor_CPP
350 TargetVendor_CPP=$HostVendor_CPP
351
352 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
353 dnl AC_SUBST(BuildPlatform)
354
355 AC_SUBST(HostPlatform)
356 AC_SUBST(TargetPlatform)
357 AC_SUBST(HostPlatform_CPP)
358 dnl AC_SUBST(BuildPlatform_CPP)
359 dnl AC_SUBST(TargetPlatform_CPP)
360
361 AC_SUBST(HostArch_CPP)
362 dnl AC_SUBST(BuildArch_CPP)
363 dnl AC_SUBST(TargetArch_CPP)
364
365 AC_SUBST(HostOS_CPP)
366 AC_SUBST(HostOS_Full)
367 dnl AC_SUBST(BuildOS_CPP)
368 dnl AC_SUBST(TargetOS_CPP)
369
370 AC_SUBST(HostVendor_CPP)
371 dnl AC_SUBST(BuildVendor_CPP)
372 dnl AC_SUBST(TargetVendor_CPP)
373
374 AC_SUBST(exeext)
375
376 dnl --------------------------------------------------------------
377 dnl * Calculate absolute path to build tree
378 dnl --------------------------------------------------------------
379
380 AC_MSG_CHECKING(for path to top of build tree)
381
382 hardtop=`pwd`
383
384 dnl Remove common automounter nonsense
385 dnl
386 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
387
388 dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
389 dnl
390 case $HostPlatform in
391   i386-unknown-mingw32 | i386-unknown-cygwin32)
392         # convert $hardtop to a path that mingw will understand too
393         cyghardtop=${hardtop}
394         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
395         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
396         ;;
397   *)
398         hardtop_plat=${hardtop}
399         ;;
400 esac
401 AC_SUBST(hardtop)
402 AC_SUBST(hardtop_plat)
403
404 AC_MSG_RESULT(${hardtop})
405
406 dnl --------------------------------------------------------------
407 dnl * Project specific configuration options
408 dnl --------------------------------------------------------------
409 dnl What follows is a bunch of options that can either be configured
410 dnl through command line options to the configure script or by
411 dnl supplying defns in the build tree's mk/build.mk. Having the option to
412 dnl use either is considered a Feature.
413
414 dnl ** What command to use to compile compiler sources ?
415 dnl --------------------------------------------------------------
416
417 AC_ARG_WITH(ghc,
418 [  --with-ghc=<haskell compiler>
419         Use a command different from 'ghc' to compile GHC-specific Haskell code
420             (including GHC itself).
421 ],
422 [ WithGhc="$withval" ],
423
424   if test "$GHC" = ""; then
425     AC_PATH_PROG(GHC,ghc)
426   fi
427   WithGhc=$GHC
428 ]
429 )
430 AC_SUBST(WithGhc)
431
432 AC_ARG_WITH(hc,
433 [  --with-hc=<haskell compiler>
434         Use a command different from 'ghc' to compile generic Haskell code.
435 ],
436 [WithHc="$withval"],
437 [WithHc=$WithGhc]
438 )
439 AC_SUBST(WithHc)
440
441 if test "$WithGhc" != ""; then
442   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
443   AC_SUBST(GhcVersion)dnl
444   AC_SUBST(GhcMajVersion)dnl
445   AC_SUBST(GhcMinVersion)dnl
446   AC_SUBST(GhcPatchLevel)dnl
447 fi
448
449 AC_PATH_PROGS(NHC,nhc nhc98)
450 AC_PATH_PROG(HBC,hbc)
451
452 dnl ** Which gcc to use?
453 dnl --------------------------------------------------------------
454 AC_ARG_WITH(gcc,
455 [  --with-gcc=<gcc command>
456         Use a different command instead of 'gcc' for the GNU C compiler.
457 ],
458 [WhatGccIsCalled="$withval"
459  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
460     # Canonicalise to <drive>:/path/to/gcc
461     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
462  fi;
463  CC="$withval"],
464 [WhatGccIsCalled="gcc"]
465 )
466 AC_SUBST(WhatGccIsCalled)
467
468 dnl ** Booting from .hc files?
469 dnl --------------------------------------------------------------
470 AC_ARG_ENABLE(hc-boot,
471 [  --enable-hc-boot
472         Boot the Glasgow Haskell Compiler from intermediate .hc files.
473         (This option is mostly of interest to porters.)
474 ],
475 [BootingFromHc=YES],
476 [BootingFromHc=NO]
477 )
478 AC_SUBST(BootingFromHc)
479
480 dnl ** Booting from unregisterised .hc files?
481 dnl --------------------------------------------------------------
482 AC_ARG_ENABLE(hc-boot-unregisterised,
483 [  --enable-hc-boot-unregisterised
484         With --enable-hc-boot, treat the intermediate .hc files as
485         unregisterised rather than registerised code.
486         (This option is mostly of interest to porters.)
487 ],
488 [BootingFromUnregisterisedHc=YES],
489 [BootingFromUnregisterisedHc=NO]
490 )
491 AC_SUBST(BootingFromUnregisterisedHc)
492
493 if test "$BootingFromHc" = "NO"; then
494 if test "$BootingFromUnregisterisedHc" = "YES"; then
495 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
496 fi;
497 fi;
498
499 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
500 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
501 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
502 fi;
503
504 dnl ** Enable multi-thread friendly RTS?
505 dnl --------------------------------------------------------------
506 AC_ARG_ENABLE(threaded-rts,
507 [  --enable-threaded-rts
508         Support better interop with OS threads.
509 ],
510 [ThreadedRts=YES],
511 [ThreadedRts=NO]
512 )
513 AC_SUBST(ThreadedRts)
514
515 dnl ** Enable the construction of Win32 DLLs?
516 dnl --------------------------------------------------------------
517 dnl
518 dnl [ The ability to build the RTS and libraries as separate DLLs used
519 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
520 dnl   and build system would be required to bring it back again.)
521 dnl   Hence, exposing it as an option is false advertisement, so better
522 dnl   disable it to avoid confusion (but leave it commented-out rather
523 dnl   than removed in order to remind ourselves to bring back the 
524 dnl   feature at some stage.) ]
525 dnl
526 dnl AC_ARG_ENABLE(win32-dlls,
527 dnl [  --enable-win32-dlls
528 dnl         If on a Win32 platform running mingw32/cygwin, enable the
529 dnl     construction of DLLs containing ghc-compiled code.
530 dnl ],
531 dnl [
532 dnl case $HostOS_CPP in
533 dnl cygwin32) ;;
534 dnl mingw32)  ;;
535 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
536 dnl       exit 1
537 dnl       ;;
538 dnl esac
539 dnl EnableWin32DLLs=YES
540 dnl ],
541 dnl [EnableWin32DLLs=NO]
542 dnl )
543 dnl AC_SUBST(EnableWin32DLLs)
544 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
545 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
546 dnl fi
547
548 dnl ** Enable the building of the ObjectIO?
549 dnl --------------------------------------------------------------
550 AC_ARG_ENABLE(objectio,
551 [  --enable-objectio
552         Build ObjectIO, a portable GUI library for Haskell.
553 ],
554 [GhcLibsWithObjectIO=YES],
555 [GhcLibsWithObjectIO=NO]
556 )
557 AC_SUBST(GhcLibsWithObjectIO)
558
559 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
560 dnl --------------------------------------------------------------
561 AC_ARG_ENABLE(hopengl,
562 [  --enable-hopengl
563         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
564         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
565         of the "native" libraries.
566 ],
567 [GhcLibsWithHOpenGL=YES],
568 [GhcLibsWithHOpenGL=NO]
569 )
570 UseQuartzOpenGL=NO
571 if test x"$TargetOS_CPP" = x"darwin"; then
572   if test x"$enable_hopengl" != x"x11"; then
573     AC_DEFINE(USE_QUARTZ_OPENGL)
574     UseQuartzOpenGL=YES
575   fi
576 fi
577
578 AC_SUBST(GhcLibsWithHOpenGL)
579
580 dnl ** .NET interop support?
581 dnl --------------------------------------------------------------
582 AC_ARG_ENABLE(dotnet,
583 [  --enable-dotnet
584         Build .NET interop layer.
585 ],
586 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
587 [DotnetSupport=NO]
588 )
589 AC_SUBST(DotnetSupport)
590
591 dnl --------------------------------------------------------------
592 dnl End of configure script option section
593 dnl --------------------------------------------------------------
594
595
596 dnl --------------------------------------------------------------
597 dnl * General configuration checks
598 dnl --------------------------------------------------------------
599
600 dnl ** does #! work?
601 AC_SYS_INTERPRETER()
602
603 dnl ** look for `perl', but only in /bin on Windows
604 case $HostOS_CPP in
605 cygwin32|mingw32)
606       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
607       if test -z "$PerlCmd"; then
608          echo "You must install the version of Perl shipped with GHC"
609          echo "(or a compatible one) in /bin."
610          exit 1
611       fi
612    ;;
613 *)
614    AC_PATH_PROG(PerlCmd,perl)
615    if test -z "$PerlCmd"; then
616       echo "You must install perl before you can continue"
617       echo "Perhaps it is already installed, but not in your PATH?"
618       exit 1
619    else
620    FPTOOLS_CHECK_PERL_VERSION
621    fi
622    ;;
623 esac
624
625 dnl ** does #! path/to/perl work? (sometimes it's too long...)
626 FPTOOLS_SHEBANG_PERL
627
628 dnl ** check for Python
629 AC_PATH_PROG(PythonCmd,python)
630
631 dnl ** look for GCC and find out which version
632 dnl     Figure out which C compiler to use.  Gcc is preferred.
633 dnl     If gcc, make sure it's at least 2.1
634 dnl
635 AC_PROG_CC
636 FPTOOLS_HAVE_GCC
637 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
638
639 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
640 AC_PROG_CPP
641
642 dnl ** Without optimization some INLINE trickery fails for GHCi
643 SRC_CC_OPTS="-O"
644
645 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
646 if test x"$TargetOS_CPP" = x"mingw32"; then
647   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
648   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
649   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
650 fi
651 AC_SUBST(SRC_CC_OPTS)
652
653 dnl ** figure out how to do context diffs
654 FPTOOLS_PROG_DIFF
655
656 dnl ** Find find command (for Win32's benefit)
657 FPTOOLS_FIND_FIND
658
659 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
660 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
661 dnl    exists if 'flex' doesn't.
662 AC_PROG_LEX_STRICT
663
664 dnl ** figure out how to do a BSD-ish install
665 AC_PROG_INSTALL
666
667 dnl If you can run configure, you certainly have /bin/sh
668 AC_DEFINE(HAVE_BIN_SH)
669
670 dnl ** how to invoke `ar' and `ranlib'
671 FPTOOLS_PROG_AR_AND_RANLIB
672
673 dnl ** Check to see whether ln -s works
674 AC_PROG_LN_S
675
676
677 dnl ** Find the path to sed
678 AC_PATH_PROG(SedCmd,sed)
679
680
681 dnl ** check for time command
682 AC_PATH_PROG(TimeCmd,time)
683
684 dnl ** check for tar
685 dnl   if GNU tar is named gtar, look for it first.
686 AC_PATH_PROGS(TarCmd,gtar tar,tar)
687
688 dnl ** check for gzip/compress
689 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
690
691 dnl ** check for jade/openjade & determine a working catalog
692 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
693 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
694                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
695 if test -z "$Catalog"; then
696   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
697 fi
698 case $Catalog in
699    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
700         Catalog=
701         ;;
702    glafp*) 
703         case $HostOS_CPP in
704            mingw32)
705               Catalog=`cygpath -w $hardtop/$Catalog`
706               ;;
707            *) Catalog=$hardtop/$Catalog
708               ;;
709         esac
710    ;;
711 esac   
712 AC_SUBST(Catalog)
713
714 compress_nm=`basename $CompressCmd`
715 if test x"$compress_nm" = xgzip; then
716   CompressCmd="$CompressCmd -d"
717   CompressSuffix="gz"
718 else
719   CompressSuffix="Z"
720 fi
721 AC_SUBST(CompressCmd)
722 AC_SUBST(CompressSuffix)
723
724 dnl ** check for ghc-pkg command
725 changequote(, )dnl
726 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
727 changequote([, ])dnl
728 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
729    GhcPkgCmd=$ghc_pkg_guess
730    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
731 else
732    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
733 fi
734
735 AC_ARG_WITH(greencard,
736 [  --with-greencard=<greencard compiler>
737         Use a command different from 'green-card' to compile GreenCard files
738 ],
739 [
740 GreencardCmd=$withval;
741 FPTOOLS_GREENCARD(3.00)
742 ]
743 )
744
745 AC_ARG_ENABLE(src-tree-happy,
746 [  --enable-src-tree-happy
747         Build and use source tree (fptools/happy) version of Happy.
748 ],
749 [UseSrcTreeHappy=YES],
750 [UseSrcTreeHappy=NO]
751 )
752 dnl ** check for installed happy binary + version
753 dnl    (don't do it if we're booting from .hc files though.)
754 if test "$BootingFromHc" = "NO"; then
755 FPTOOLS_HAPPY
756 fi;
757
758 AC_ARG_ENABLE(src-tree-haddock,
759 [  --enable-src-tree-haddock
760         Build and use source tree (fptools/haddock) version of Haddock.
761 ],
762 [UseSrcTreeHaddock=YES],
763 [UseSrcTreeHaddock=NO]
764 )
765 dnl ** check for installed haddock
766 FPTOOLS_HADDOCK
767
768 AC_ARG_ENABLE(src-tree-alex,
769 [  --enable-src-tree-alex
770         Build and use source tree (fptools/alex) version of Alex.
771 ],
772 [UseSrcTreeAlex=YES],
773 [UseSrcTreeAlex=NO]
774 )
775 dnl ** check for installed alex binary + version
776 dnl    (don't do it if we're booting from .hc files though.)
777 if test "$BootingFromHc" = "NO"; then
778 FPTOOLS_ALEX
779 fi;
780
781 dnl --------------------------------------------------
782 dnl ### program checking section ends here ###
783 dnl --------------------------------------------------
784
785 dnl --------------------------------------------------
786 dnl * Platform header file and syscall feature tests
787 dnl ### checking the state of the local header files and syscalls ###
788
789 dnl ** check for full ANSI header (.h) files
790 AC_HEADER_STDC
791
792 dnl ** Enable large file support.  NB. do this before testing the type of
793 dnl    off_t, because it will affect the result of that test.
794 AC_SYS_LARGEFILE
795
796 dnl ** check for specific header (.h) files that we are interested in
797 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
798 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
799
800 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
801 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
802
803 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
804   HaveReadlineHeaders=YES
805   AC_DEFINE(HAVE_READLINE_HEADERS,1)
806 else
807   HaveReadlineHeaders=NO
808   AC_DEFINE(HAVE_READLINE_HEADERS,0)
809 fi
810 AC_SUBST(HaveReadlineHeaders)
811
812 dnl ** check for DOS include files
813 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
814
815 dnl ** check for Windows include files
816 AC_CHECK_HEADERS(windows.h)
817
818 dnl ** check for OpenGL include files
819 if test $UseQuartzOpenGL = YES ; then
820   AC_CHECK_HEADERS(OpenGL/gl.h)
821 else
822   AC_CHECK_HEADERS(GL/gl.h)
823 fi
824
825 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
826 AC_HEADER_TIME
827
828 dnl dynamic loading include files
829 AC_CHECK_HEADERS(dlfcn.h dl.h) 
830
831 dnl ** check for farcalloc (in bcc)
832 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
833
834 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
835 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
836
837 dnl ** check for POSIX regex
838 HavePosixRegex=NO
839 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
840 AC_SUBST(HavePosixRegex)
841
842 dnl ** how do we get a timezone name, and UTC offset ?
843 AC_STRUCT_TIMEZONE
844
845 dnl ** do we have altzone?
846 FP_ALTZONE
847
848 dnl ** does struct stat contain st_blksize?
849 AC_STRUCT_ST_BLKSIZE
850
851 dnl ** do we have long longs?
852 FPTOOLS_C_LONG_LONG
853
854 dnl ** check what fields struct msghdr contains
855 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
856 FPTOOLS_MSGHDR_MSG_CONTROL
857
858 dnl ** what are the sizes of various types
859 dnl    (these must come before GHC_CHECK_ALIGNMENT)
860 AC_CHECK_SIZEOF(char,               1)
861 AC_CHECK_SIZEOF(double,             8)
862 AC_CHECK_SIZEOF(float,              4)
863 AC_CHECK_SIZEOF(int,                4)
864 AC_CHECK_SIZEOF(long,               4)
865 if test "$fptools_cv_have_long_long" = yes; then
866 AC_CHECK_SIZEOF(long long,          8)
867 fi
868 AC_CHECK_SIZEOF(short,              2)
869 AC_CHECK_SIZEOF(unsigned char,      1)
870 AC_CHECK_SIZEOF(unsigned int,       4)
871 AC_CHECK_SIZEOF(unsigned long,      4)
872 if test "$fptools_cv_have_long_long" = yes; then
873 AC_CHECK_SIZEOF(unsigned long long, 8)
874 fi
875 AC_CHECK_SIZEOF(unsigned short,     2)
876 AC_CHECK_SIZEOF(void *,             4)
877
878 dnl ** what are alignment constraints on various types
879 FPTOOLS_CHECK_ALIGNMENT(char)
880 FPTOOLS_CHECK_ALIGNMENT(double)
881 FPTOOLS_CHECK_ALIGNMENT(float)
882 FPTOOLS_CHECK_ALIGNMENT(int)
883 FPTOOLS_CHECK_ALIGNMENT(long)
884 if test "$fptools_cv_have_long_long" = yes; then
885 FPTOOLS_CHECK_ALIGNMENT(long long)
886 fi
887 FPTOOLS_CHECK_ALIGNMENT(short)
888 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
889 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
890 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
891 if test "$fptools_cv_have_long_long" = yes; then
892 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
893 fi
894 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
895 FPTOOLS_CHECK_ALIGNMENT(void *)
896
897 dnl ** map standard C types and ISO types to Haskell types
898 FPTOOLS_CHECK_HTYPE(char)
899 FPTOOLS_CHECK_HTYPE(signed char)
900 FPTOOLS_CHECK_HTYPE(unsigned char)
901 FPTOOLS_CHECK_HTYPE(short)
902 FPTOOLS_CHECK_HTYPE(unsigned short)
903 FPTOOLS_CHECK_HTYPE(int)
904 FPTOOLS_CHECK_HTYPE(unsigned int)
905 FPTOOLS_CHECK_HTYPE(long)
906 FPTOOLS_CHECK_HTYPE(unsigned long)
907 if test "$fptools_cv_have_long_long" = yes; then
908 FPTOOLS_CHECK_HTYPE(long long)
909 FPTOOLS_CHECK_HTYPE(unsigned long long)
910 fi
911 FPTOOLS_CHECK_HTYPE(float)
912 FPTOOLS_CHECK_HTYPE(double)
913 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
914 FPTOOLS_CHECK_HTYPE(size_t)
915 FPTOOLS_CHECK_HTYPE(wchar_t)
916 dnl Int32 is a HACK for non-ISO C compilers
917 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
918 FPTOOLS_CHECK_HTYPE(clock_t)
919 FPTOOLS_CHECK_HTYPE(time_t)
920 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
921 FPTOOLS_CHECK_HTYPE(ino_t)
922 FPTOOLS_CHECK_HTYPE(mode_t)
923 FPTOOLS_CHECK_HTYPE(off_t)
924 FPTOOLS_CHECK_HTYPE(pid_t)
925 FPTOOLS_CHECK_HTYPE(gid_t)
926 FPTOOLS_CHECK_HTYPE(uid_t)
927 FPTOOLS_CHECK_HTYPE(cc_t)
928 FPTOOLS_CHECK_HTYPE(speed_t)
929 FPTOOLS_CHECK_HTYPE(tcflag_t)
930 FPTOOLS_CHECK_HTYPE(blkcnt_t)
931 FPTOOLS_CHECK_HTYPE(nlink_t)
932 FPTOOLS_CHECK_HTYPE(ssize_t)
933 FPTOOLS_CHECK_HTYPE(rlim_t)
934
935 dnl ** Map OpenGL data types to Haskell types
936 if test $GhcLibsWithHOpenGL = YES ; then
937 FPTOOLS_CHECK_HTYPE(GLboolean)
938 FPTOOLS_CHECK_HTYPE(GLbyte)
939 FPTOOLS_CHECK_HTYPE(GLubyte)
940 FPTOOLS_CHECK_HTYPE(GLshort)
941 FPTOOLS_CHECK_HTYPE(GLushort)
942 FPTOOLS_CHECK_HTYPE(GLint)
943 FPTOOLS_CHECK_HTYPE(GLuint)
944 FPTOOLS_CHECK_HTYPE(GLsizei)
945 FPTOOLS_CHECK_HTYPE(GLenum)
946 FPTOOLS_CHECK_HTYPE(GLbitfield)
947 FPTOOLS_CHECK_HTYPE(GLfloat)
948 FPTOOLS_CHECK_HTYPE(GLclampf)
949 FPTOOLS_CHECK_HTYPE(GLdouble)
950 FPTOOLS_CHECK_HTYPE(GLclampd)
951 fi
952
953 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
954
955 dnl ** can we open files in binary mode?
956 FPTOOLS_O_BINARY
957
958 dnl ** check for GetModuleFileName and WinExec (windows only)
959 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
960 dnl Doesn't work because the linker can't see the functions if
961 dnl you omit the #include <windows.h>.  (I've no idea why not...)
962
963 FPTOOLS_TRY_LINK_NOWARN(,[
964 #if HAVE_WINDOWS_H
965 #include <windows.h>
966 #endif
967 main() { 
968   WinExec("",0);
969   exit(0);
970 }
971 ],
972 [have_winexec=1],
973 [have_winexec=0])
974 if test "$have_winexec" = "1"; then
975 AC_DEFINE(HAVE_WINEXEC)
976 fi
977
978 FPTOOLS_TRY_LINK_NOWARN(,[
979 #if HAVE_WINDOWS_H
980 #include <windows.h>
981 #endif
982 main() { 
983   char* dir;
984   GetModuleFileName((HMODULE)0,dir,0);
985   exit(0);
986 }
987 ],
988 [have_getmodulefilename=1],
989 [have_getmodulefilename=0])
990 if test "$have_getmodulefilename" = "1"; then
991 AC_DEFINE(HAVE_GETMODULEFILENAME)
992 fi
993
994 dnl ** check return type of signal handlers
995 dnl Foo: assumes we can use prototypes.
996 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
997 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
998 dnl [AC_TRY_COMPILE([#include <sys/types.h>
999 dnl #include <signal.h>
1000 dnl #ifdef signal
1001 dnl #undef signal
1002 dnl #endif
1003 dnl void (*signal (int, void (*)(int)))(int);
1004 dnl ],
1005 dnl [int i;], 
1006 dnl ac_cv_type_signal_handler=void_int,
1007 dnl ac_cv_type_signal_handler=int_void)])
1008 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1009 dnl AC_DEFINE(VOID_INT_SIGNALS)
1010 dnl fi
1011
1012 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1013 AC_TYPE_SIGNAL
1014 if test "$ac_cv_type_signal" = void; then
1015 AC_DEFINE(VOID_INT_SIGNALS)
1016 fi
1017
1018 dnl ** check for more functions
1019 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1020 AC_CHECK_FUNCS(strcmp)
1021 AC_CHECK_FUNCS(realpath _fullpath)  
1022 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1023 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1024 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1025 AC_CHECK_FUNCS(snprintf  _snprintf )  
1026 AC_CHECK_FUNCS(popen     _popen )  
1027 AC_CHECK_FUNCS(pclose    _pclose )  
1028 AC_CHECK_FUNCS(setenv unsetenv)
1029
1030
1031 dnl ** check for specific library functions that we are interested in
1032 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1033
1034 dnl ** Solaris2 needs additionl flag for getpw*_r()
1035 case "$TargetPlatform" in
1036   *-solaris2*)
1037     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1038     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1039   ;;
1040 esac
1041
1042 dnl ** check whether this machine has gmp3 installed
1043 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1044   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1045     HaveLibGmp=NO; LibGmp=not-installed))
1046 AC_SUBST(HaveLibGmp)
1047 AC_SUBST(LibGmp)
1048
1049 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1050 HaveFrameworkHaskellSupport=NO
1051 if test $HostPlatform = "powerpc-apple-darwin"; then
1052  AC_MSG_CHECKING([for HaskellSupport.framework])
1053  save_libs="$LIBS"
1054  LIBS="-framework HaskellSupport"
1055  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1056  if test $HaveFrameworkHaskellSupport = YES; then
1057   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1058  fi;
1059  LIBS="$save_libs"
1060  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1061 fi;
1062 AC_SUBST(HaveFrameworkHaskellSupport)
1063
1064 dnl ** check for mingwex library
1065 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1066 AC_SUBST(HaveLibMingwEx)
1067
1068 if test $HaveLibMingwEx = YES ; then
1069   AC_DEFINE(HAVE_MINGWEX)
1070 fi
1071
1072 if test "$HaveLibGmp" = "NO"; then
1073 if test "$HostArch_CPP" = "ia64"; then
1074 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1075 fi;
1076 fi;
1077
1078 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1079 dnl    the order of these tests matters: bfd needs liberty
1080 AC_CHECK_LIB(iberty, xmalloc)
1081 AC_CHECK_LIB(bfd,    bfd_init)
1082
1083 dnl ** check for readline, for Hugs and hslibs' Readline
1084 dnl ncurses supersedes termcap and curses, but for compatibility,
1085 dnl we have to check for all...
1086 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1087   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1088     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1089       HaveLibTermcap=NO; LibTermcap=not-installed)))
1090
1091 if test $HaveLibTermcap = YES ; then
1092   LIBS="-l$LibTermcap $LIBS"
1093   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1094 fi
1095
1096 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1097   AC_DEFINE(HAVE_READLINE_LIBS,1)
1098   LibsReadline="readline $LibTermcap"
1099 else
1100   AC_DEFINE(HAVE_READLINE_LIBS,0)
1101   LibsReadline=
1102 fi
1103 AC_SUBST(LibsReadline)
1104
1105 if test "$HaveLibReadline"; then
1106   AC_CHECK_LIB(readline, rl_erase_empty_line,
1107     [AC_DEFINE(HAVE_READLINE_4, 1)],
1108     [AC_DEFINE(HAVE_READLINE_4, 0)])
1109   AC_CHECK_LIB(readline, rl_free_undo_list,
1110     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1111     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1112 else
1113   AC_DEFINE(HAVE_READLINE_4, 0)
1114   AC_DEFINE(HAVE_READLINE_4_2, 0)
1115 fi
1116
1117 dnl ** check for math library
1118 FPTOOLS_CHECK_LIBM()
1119 AC_SUBST(LIBM)
1120
1121 dnl ** check for X Window System
1122 AC_PATH_XTRA()
1123
1124 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1125 if test $GhcLibsWithHOpenGL = YES ; then
1126   if test $UseQuartzOpenGL = YES ; then
1127     dnl Take a shortcut for Mac OS X native OpenGL:
1128     dnl It's in a non-standard location, but it's always there
1129     GL_CFLAGS=
1130         GL_LIBS=
1131         GLUT_LIBS=
1132         AC_SUBST(GL_CFLAGS)
1133         AC_SUBST(GL_LIBS)
1134         AC_SUBST(GLUT_LIBS)
1135   else
1136     FPTOOLS_HAVE_OPENGL
1137   fi
1138 fi
1139
1140 dnl ################################################################
1141 dnl Check for libraries
1142 dnl ################################################################
1143
1144 dnl ** check for libdl & RTLD_NEXT
1145
1146 dnl (Mac OS X only) ... but don't check if we already have the
1147 dnl HaskellSupport.framework
1148
1149 if test $HaveFrameworkHaskellSupport = YES; then
1150     HaveLibDL=NO
1151     HaveRtldNext=NO
1152     HaveRtldLocal=YES
1153     AC_DEFINE(HAVE_RTLDLOCAL)
1154     HaveRtldGlobal=YES
1155     AC_DEFINE(HAVE_RTLDGLOBAL)
1156     HaveRtldNow=YES
1157     AC_DEFINE(HAVE_RTLDNOW)
1158     AC_SUBST(HaveLibDL)
1159     AC_SUBST(HaveRtldNext)
1160     AC_SUBST(HaveRtldLocal)
1161     AC_SUBST(HaveRtldGlobal)
1162     AC_SUBST(HaveRtldNow)
1163 else
1164     AC_CHECK_LIB(dl, dlopen, 
1165         [HaveLibDL=YES
1166          AC_DEFINE(HAVE_LIBDL)
1167          LIBS="$LIBS -ldl"], 
1168         [HaveLibDL=NO])
1169     AC_CHECK_FUNCS(dlopen)
1170     AC_SUBST(HaveLibDL)
1171
1172     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1173     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1174     AC_EGREP_CPP(yes,
1175     [
1176      #include <dlfcn.h>
1177      #ifdef RTLD_NEXT
1178             yes
1179      #endif
1180     ], [
1181       AC_MSG_RESULT(yes)
1182       AC_DEFINE(HAVE_RTLDNEXT)
1183       HaveRtldNext=YES
1184     ], [
1185       AC_MSG_RESULT(no)
1186       HaveRtldNext=NO
1187       ])    
1188     AC_SUBST(HaveRtldNext)
1189
1190     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1191     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1192     AC_EGREP_CPP(yes,
1193     [
1194      #include <dlfcn.h>
1195      #ifdef RTLD_LOCAL
1196             yes
1197      #endif
1198     ], [
1199       AC_MSG_RESULT(yes)
1200       AC_DEFINE(HAVE_RTLDLOCAL)
1201       HaveRtldLocal=YES
1202     ], [
1203       AC_MSG_RESULT(no)
1204       HaveRtldLocal=NO
1205       ])    
1206     AC_SUBST(HaveRtldLocal)
1207
1208     dnl ** RTLD_GLOBAL isn't available on openbsd
1209     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1210     AC_EGREP_CPP(yes,
1211     [
1212      #include <dlfcn.h>
1213      #ifdef RTLD_GLOBAL
1214             yes
1215      #endif
1216     ], [
1217       AC_MSG_RESULT(yes)
1218       AC_DEFINE(HAVE_RTLDGLOBAL)
1219       HaveRtldGlobal=YES
1220     ], [
1221       AC_MSG_RESULT(no)
1222       HaveRtldGlobal=NO
1223       ])    
1224     AC_SUBST(HaveRtldGlobal)
1225
1226     dnl ** RTLD_NOW isn't available on openbsd
1227     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1228     AC_EGREP_CPP(yes,
1229     [
1230      #include <dlfcn.h>
1231      #ifdef RTLD_NOW
1232             yes
1233      #endif
1234     ], [
1235       AC_MSG_RESULT(yes)
1236       AC_DEFINE(HAVE_RTLDNOW)
1237       HaveRtldNow=YES
1238     ], [
1239       AC_MSG_RESULT(no)
1240       HaveRtldNow=NO
1241       ])    
1242     AC_SUBST(HaveRtldNow)
1243 fi
1244
1245 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1246
1247 dnl ---------- usleep ----------
1248 dnl --- stolen from guile configure ---
1249 dnl --- FIXME: /usr/include/unistd.h can't be right?
1250
1251 ### On some systems usleep has no return value.  If it does have one,
1252 ### we'd like to return it; otherwise, we'll fake it.
1253 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1254   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1255                    /usr/include/unistd.h,
1256                    [cv_func_usleep_return_type=void],
1257                    [cv_func_usleep_return_type=int])])
1258 case "$cv_func_usleep_return_type" in
1259   "void" )
1260     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1261       [Define if the system headers declare usleep to return void.])
1262   ;;
1263 esac
1264
1265 dnl --------------------------------------------------
1266 dnl * test for in_addr_t
1267 dnl --------------------------------------------------
1268 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1269 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1270  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1271  AC_MSG_RESULT(no))
1272
1273 dnl --------------------------------------------------
1274 dnl * test for Linux sendfile(2)
1275 dnl --------------------------------------------------
1276 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1277 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1278  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1279  AC_MSG_RESULT(no))
1280
1281 dnl --------------------------------------------------
1282 dnl * test for BSD sendfile(2)
1283 dnl --------------------------------------------------
1284 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1285 AC_EGREP_HEADER(sendfile, sys/socket.h,
1286  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1287  AC_MSG_RESULT(no))
1288
1289 dnl --------------------------------------------------
1290 dnl * test for GTK+
1291 dnl --------------------------------------------------
1292
1293 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1294 if test "$GTK_CONFIG" != ""; then
1295    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1296         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1297     ])
1298     GTK_VERSION=$fptools_cv_gtk_version
1299 else
1300     GTK_VERSION=
1301 fi
1302
1303 case $fptools_cv_gtk_version in
1304   1.[[23]].*) ;;
1305   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1306      GTK_CONFIG=
1307      ;;
1308 esac
1309
1310 AC_SUBST(GTK_CONFIG)
1311 AC_SUBST(GTK_VERSION)
1312
1313 dnl --------------------------------------------------
1314 dnl * Miscellaneous feature tests
1315 dnl --------------------------------------------------
1316
1317 dnl ** can we get alloca?
1318 AC_FUNC_ALLOCA
1319
1320 dnl ** Working vfork?
1321 AC_FUNC_VFORK
1322
1323 dnl ** determine whether or not const works
1324 AC_C_CONST
1325
1326 dnl ** determine whether ANSI-function prototypes work?
1327 AC_C_PROTOTYPES          
1328
1329 dnl ** are we big endian?
1330 AC_C_BIGENDIAN
1331
1332 dnl ** check for leading underscores in symbol names
1333 FPTOOLS_UNDERSCORE
1334
1335 dnl ** check for ld, and whether ld has -x option
1336 AC_PATH_PROG(LdCmdRaw, ld)
1337 case $HostOS_CPP in
1338  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1339            ;;
1340  *) LdCmd=${LdCmdRaw}
1341     ;;
1342 esac
1343 AC_SUBST(LdCmd)
1344 FPTOOLS_LD_X
1345
1346 AC_MSG_CHECKING([for SIGPOLL])
1347 AC_EGREP_CPP(we_have_sigpoll,
1348 [#include <signal.h>
1349 #ifdef SIGPOLL
1350 we_have_sigpoll
1351 #endif
1352 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1353 AC_MSG_RESULT([$haveSIGPOLL])
1354
1355 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1356 AC_EGREP_CPP(we_have_that_sysconf_thing,
1357 [
1358 #include <unistd.h>
1359 #ifdef _SC_GETGR_R_SIZE_MAX
1360 we_have_that_sysconf_thing
1361 #endif
1362 ],
1363 [AC_MSG_RESULT([yes])
1364 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1365 [AC_MSG_RESULT([no])])
1366
1367 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1368 AC_EGREP_CPP(we_have_that_sysconf_thing,
1369 [
1370 #include <unistd.h>
1371 #ifdef _SC_GETPW_R_SIZE_MAX
1372 we_have_that_sysconf_thing
1373 #endif
1374 ],
1375 [AC_MSG_RESULT([yes])
1376 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1377 [AC_MSG_RESULT([no])])
1378
1379 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )