[project @ 2003-08-27 15:18:29 by panne]
[ghc-hetmet.git] / configure.ac
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
3 dnl  (or some such) to see the outline of this file)
4 dnl
5 #
6 # (c) The AQUA Project, Glasgow University, 1994-1998
7 #
8 # Configure script template for the Glasgow functional programming tools
9 #
10 # Process with 'autoconf' to get a working configure script.
11 #
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
14 #
15
16 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
18
19 dnl * We require autoconf version 2.52
20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
22 AC_PREREQ(2.52)
23
24 dnl * Declare subdirectories that have a private configure script
25 dnl
26 dnl After the toplevel configuration is complete, the script will recurse into
27 dnl these subdirectories if they exist. The use of a cache file makes repeated
28 dnl checks cheap.
29 AC_CONFIG_SUBDIRS([ghc libraries])
30
31 # -------------------------------------------------------------------------
32 # Prepare to generate the following header files
33 #
34 #
35 AC_CONFIG_HEADER(mk/config.h)
36
37 # No, semi-sadly, we don't do `--srcdir'...
38 if test x"$srcdir" != 'x.' ; then
39     echo "This configuration does not support the \`--srcdir' option.."
40     exit 1
41 fi
42
43 dnl--------------------------------------------------------------------
44 dnl * Choose host(/target/build) platform
45 dnl--------------------------------------------------------------------
46
47 dnl Guess host/target/build platform(s) if necessary.
48 AC_CANONICAL_SYSTEM
49
50 # "$host" defaults to "$target"
51 if test "x$host" = xNONE ; then
52     host=$target
53 fi
54
55 dnl ** canonicalize platform names
56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
59
60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
61     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
62     exit 1
63 fi
64
65 exeext=''
66 #
67 # The following will be more difficult when we *are* cross-compiling.
68 # Suitable names to slam in *_CPP are in platform.h.in.
69 # We also record the architecture, vendor, and operating system (OS)
70 # separately.
71 case $HostPlatform in
72 alpha*-dec-osf[[12]]*)
73         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
74         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
75         BuildPlatform=alpha-dec-osf1  # hack
76         HostPlatform_CPP='alpha_dec_osf1'
77         HostArch_CPP='alpha'
78         HostVendor_CPP='dec'
79         HostOS_CPP='osf1'
80         ;;
81 alpha*-dec-osf[[345]]*)
82         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
83         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
84         BuildPlatform=alpha-dec-osf3  # hack
85         HostPlatform_CPP='alpha_dec_osf3'
86         HostArch_CPP='alpha'
87         HostVendor_CPP='dec'
88         HostOS_CPP='osf3'
89         ;;
90 alpha*-unknown-linux*)
91         HostPlatform=alpha-unknown-linux
92         TargetPlatform=alpha-unknown-linux
93         BuildPlatform=alpha-unknown-linux
94         HostPlatform_CPP='alpha_unknown_linux'
95         HostArch_CPP='alpha'
96         HostVendor_CPP='unknown'
97         HostOS_CPP='linux'
98         ;;
99 alpha*-unknown-freebsd*)
100         HostPlatform=alpha-unknown-freebsd
101         TargetPlatform=alpha-unknown-freebsd
102         BuildPlatform=alpha-unknown-freebsd
103         HostPlatform_CPP='alpha_unknown_freebsd'
104         HostArch_CPP='alpha'
105         HostVendor_CPP='unknown'
106         HostOS_CPP='freebsd'
107         ;;
108 hppa1.1-hp-hpux*)
109         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
110         TargetPlatform=hppa1.1-hp-hpux
111         BuildPlatform=hppa1.1-hp-hpux
112         HostPlatform_CPP='hppa1_1_hp_hpux'
113         HostArch_CPP='hppa1_1'
114         HostVendor_CPP='hp'
115         HostOS_CPP='hpux'
116         ;;
117 i[[3456]]86-*-linuxaout*)
118         HostPlatform=i386-unknown-linuxaout   # hack again
119         TargetPlatform=i386-unknown-linuxaout
120         BuildPlatform=i386-unknown-linuxaout
121         HostPlatform_CPP='i386_unknown_linuxaout'
122         HostArch_CPP='i386'
123         HostVendor_CPP='unknown'
124         HostOS_CPP='linuxaout'
125         ;;
126 i[[3456]]86-*-linux*)
127         HostPlatform=i386-unknown-linux # hack again
128         TargetPlatform=i386-unknown-linux
129         BuildPlatform=i386-unknown-linux
130         HostPlatform_CPP='i386_unknown_linux'
131         HostArch_CPP='i386'
132         HostVendor_CPP='unknown'
133         HostOS_CPP='linux'
134         ;;
135 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
136         HostPlatform=i386-unknown-freebsd # hack again
137         TargetPlatform=i386-unknown-freebsd
138         BuildPlatform=i386-unknown-freebsd
139         HostPlatform_CPP='i386_unknown_freebsd'
140         HostArch_CPP='i386'
141         HostVendor_CPP='unknown'
142         HostOS_CPP='freebsd'
143         ;;
144 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
145         HostPlatform=i386-unknown-freebsd2 # hack again
146         TargetPlatform=i386-unknown-freebsd2
147         BuildPlatform=i386-unknown-freebsd2
148         HostPlatform_CPP='i386_unknown_freebsd2'
149         HostArch_CPP='i386'
150         HostVendor_CPP='unknown'
151         HostOS_CPP='freebsd2'
152         ;;
153 i[[3456]]86-*-netbsd*)
154         HostPlatform=i386-unknown-netbsd # hack again
155         TargetPlatform=i386-unknown-netbsd
156         BuildPlatform=i386-unknown-netbsd
157         HostPlatform_CPP='i386_unknown_netbsd'
158         HostArch_CPP='i386'
159         HostVendor_CPP='unknown'
160         HostOS_CPP='netbsd'
161         ;;
162 i[[3456]]86-*-openbsd*)
163         HostPlatform=i386-unknown-openbsd # hack again
164         TargetPlatform=i386-unknown-openbsd
165         BuildPlatform=i386-unknown-openbsd
166         HostPlatform_CPP='i386_unknown_openbsd'
167         HostArch_CPP='i386'
168         HostVendor_CPP='unknown'
169         HostOS_CPP='openbsd'
170         ;;
171 i[[3456]]86-*-solaris2*)
172         HostPlatform=i386-unknown-solaris2 # hack again
173         TargetPlatform=i386-unknown-solaris2
174         BuildPlatform=i386-unknown-solaris2
175         HostPlatform_CPP='i386_unknown_solaris2'
176         HostArch_CPP='i386'
177         HostVendor_CPP='unknown'
178         HostOS_CPP='solaris2'
179         ;;
180 i[[3456]]86-*-cygwin*)
181         HostPlatform=i386-unknown-cygwin32 # hack again
182         TargetPlatform=i386-unknown-cygwin32
183         BuildPlatform=i386-unknown-cygwin32
184         HostPlatform_CPP='i386_unknown_cygwin32'
185         HostArch_CPP='i386'
186         HostVendor_CPP='unknown'
187         HostOS_CPP='cygwin32'
188         exeext='.exe'
189         ;;
190 i[[3456]]86-*-mingw32*)
191         HostPlatform=i386-unknown-mingw32 # hack again
192         TargetPlatform=i386-unknown-mingw32
193         BuildPlatform=i386-unknown-mingw32
194         HostPlatform_CPP='i386_unknown_mingw32'
195         HostArch_CPP='i386'
196         HostVendor_CPP='unknown'
197         HostOS_CPP='mingw32'
198         exeext='.exe'
199         ;;
200 ia64-*-linux*)
201         HostPlatform=ia64-unknown-linux # hack again
202         TargetPlatform=ia64-unknown-linux
203         BuildPlatform=ia64-unknown-linux
204         HostPlatform_CPP='ia64_unknown_linux'
205         HostArch_CPP='ia64'
206         HostVendor_CPP='unknown'
207         HostOS_CPP='linux'
208         ;;
209 x86_64-*-linux*)
210         HostPlatform=x86_64-unknown-linux
211         TargetPlatform=x86_64-unknown-linux
212         BuildPlatform=x86_64-unknown-linux
213         HostPlatform_CPP='x86_64_unknown_linux'
214         HostArch_CPP='x86_64'
215         HostVendor_CPP='unknown'
216         HostOS_CPP='linux'
217         ;;
218 m68k-next-nextstep2)
219         HostPlatform_CPP='m68k_next_nextstep2'
220         HostArch_CPP='m68k'
221         HostVendor_CPP='next'
222         HostOS_CPP='nextstep2'
223         ;;
224 m68k-next-nextstep3)
225         HostPlatform_CPP='m68k_next_nextstep3'
226         HostArch_CPP='m68k'
227         HostVendor_CPP='next'
228         HostOS_CPP='nextstep3'
229         ;;
230 i[[3456]]86-next-nextstep3)
231         HostPlatform=i386-next-nextstep3 # hack again
232         TargetPlatform=i386-next-nextstep3
233         BuildPlatform=i386-next-nextstep3
234         HostPlatform_CPP='i386_next_nextstep3'
235         HostArch_CPP='i386'
236         HostVendor_CPP='next'
237         HostOS_CPP='nextstep3'
238         ;;
239 m68k-*-openbsd*)
240         HostPlatform=m68k-unknown-openbsd
241         TargetPlatform=m68k-unknown-openbsd
242         BuildPlatform=m68k-unknown-openbsd
243         HostPlatform_CPP='m68k_unknown_openbsd'
244         HostArch_CPP='m68k'
245         HostVendor_CPP='unknown'
246         HostOS_CPP='openbsd'
247         ;;
248 m68k-apple-netbsd*)
249         HostPlatform=m68k-apple-netbsd
250         TargetPlatform=m68k-apple-netbsd
251         BuildPlatform=m68k-apple-netbsd
252         HostPlatform_CPP='m68k_apple_netbsd'
253         HostArch_CPP='m68k'
254         HostVendor_CPP='apple'
255         HostOS_CPP='netbsd'
256         ;;
257 m68k-sun-sunos4*)
258         HostPlatform=m68k-sun-sunos4
259         TargetPlatform=m68k-sun-sunos4 #hack
260         BuildPlatform=m68k-sun-sunos4 #hack
261         HostPlatform_CPP='m68k_sun_sunos4'
262         HostArch_CPP='m68k'
263         HostVendor_CPP='sun'
264         HostOS_CPP='sunos4'
265         ;;
266 mips-dec-ultrix*)
267         HostPlatform_CPP='mips_dec_ultrix'
268         HostArch_CPP='mipsel'   # NB a little different
269         HostVendor_CPP='dec'
270         HostOS_CPP='ultrix'
271         ;;
272 mips-sgi-irix*)
273         HostPlatform=mips-sgi-irix
274         TargetPlatform=mips-sgi-irix #hack
275         BuildPlatform=mips-sgi-irix #hack
276         HostPlatform_CPP='mips_sgi_irix'
277         HostArch_CPP='mipseb'   # NB a little different
278         HostVendor_CPP='sgi'
279         HostOS_CPP='irix'
280         ;;
281 rs6000-ibm-aix*)
282         HostPlatform=rs6000-ibm-aix
283         TargetPlatform=rs6000-ibm-aix #hack
284         BuildPlatform=rs6000-ibm-aix #hack
285         HostPlatform_CPP='rs6000_ibm_aix'
286         HostArch_CPP='rs6000'
287         HostVendor_CPP='ibm'
288         HostOS_CPP='aix'
289         ;;
290 powerpc-ibm-aix*)
291         HostPlatform=powerpc-ibm-aix
292         TargetPlatform=powerpc-ibm-aix #hack
293         BuildPlatform=powerpc-ibm-aix #hack
294         HostPlatform_CPP='powerpc_ibm_aix'
295         HostArch_CPP='powerpc'
296         HostVendor_CPP='ibm'
297         HostOS_CPP='aix'
298         ;;
299 powerpc-apple-darwin*)
300         HostPlatform=powerpc-apple-darwin
301         TargetPlatform=powerpc-apple-darwin #hack
302         BuildPlatform=powerpc-apple-darwin #hack
303         HostPlatform_CPP='powerpc_apple_darwin'
304         HostArch_CPP='powerpc'
305         HostVendor_CPP='apple'
306         HostOS_CPP='darwin'
307         ;;
308 sparc-sun-sunos4*)
309         HostPlatform=sparc-sun-sunos4
310         TargetPlatform=sparc-sun-sunos4 #hack
311         BuildPlatform=sparc-sun-sunos4 #hack
312         HostPlatform_CPP='sparc_sun_sunos4'
313         HostArch_CPP='sparc'
314         HostVendor_CPP='sun'
315         HostOS_CPP='sunos4'
316         ;;
317 sparc-sun-solaris2*)
318         HostPlatform=sparc-sun-solaris2
319         TargetPlatform=sparc-sun-solaris2 #hack
320         BuildPlatform=sparc-sun-solaris2 #hack
321         HostPlatform_CPP='sparc_sun_solaris2'
322         HostArch_CPP='sparc'
323         HostVendor_CPP='sun'
324         HostOS_CPP='solaris2'
325         ;;
326 sparc*-linux*)
327         HostPlatform=sparc-unknown-linux
328         TargetPlatform=sparc-unknown-linux
329         BuildPlatform=sparc-unknown-linux
330         HostPlatform_CPP='sparc_unknown_linux'
331         HostArch_CPP='sparc'
332         HostVendor_CPP='unknown'
333         HostOS_CPP='linux'
334         ;;
335 sparc-*-openbsd*)
336         HostPlatform=sparc-unknown-openbsd
337         TargetPlatform=sparc-unknown-openbsd
338         BuildPlatform=sparc-unknown-openbsd
339         HostPlatform_CPP='sparc_unknown_openbsd'
340         HostArch_CPP='sparc'
341         HostVendor_CPP='unknown'
342         HostOS_CPP='openbsd'
343         ;;
344 *)
345         echo "Unrecognised platform: $HostPlatform"
346         exit 1
347         ;;
348 esac
349 echo "Canonicalised to: $HostPlatform"
350 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
351 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
352
353 BuildPlatform_CPP=$HostPlatform_CPP
354 TargetPlatform_CPP=$HostPlatform_CPP
355 BuildArch_CPP=$HostArch_CPP
356 TargetArch_CPP=$HostArch_CPP
357 BuildOS_CPP=$HostOS_CPP
358 HostOS_Full=$host_os
359 TargetOS_CPP=$HostOS_CPP
360 BuildVendor_CPP=$HostVendor_CPP
361 TargetVendor_CPP=$HostVendor_CPP
362
363 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
364 dnl AC_SUBST(BuildPlatform)
365
366 AC_SUBST(HostPlatform)
367 AC_SUBST(TargetPlatform)
368 AC_SUBST(HostPlatform_CPP)
369 dnl AC_SUBST(BuildPlatform_CPP)
370 dnl AC_SUBST(TargetPlatform_CPP)
371
372 AC_SUBST(HostArch_CPP)
373 dnl AC_SUBST(BuildArch_CPP)
374 dnl AC_SUBST(TargetArch_CPP)
375
376 AC_SUBST(HostOS_CPP)
377 AC_SUBST(HostOS_Full)
378 dnl AC_SUBST(BuildOS_CPP)
379 dnl AC_SUBST(TargetOS_CPP)
380
381 AC_SUBST(HostVendor_CPP)
382 dnl AC_SUBST(BuildVendor_CPP)
383 dnl AC_SUBST(TargetVendor_CPP)
384
385 AC_SUBST(exeext)
386
387 dnl --------------------------------------------------------------
388 dnl * Calculate absolute path to build tree
389 dnl --------------------------------------------------------------
390
391 AC_MSG_CHECKING(for path to top of build tree)
392
393 hardtop=`pwd`
394
395 dnl Remove common automounter nonsense
396 dnl
397 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
398
399 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).
400 dnl
401 case $HostPlatform in
402   i386-unknown-mingw32 | i386-unknown-cygwin32)
403         # convert $hardtop to a path that mingw will understand too
404         cyghardtop=${hardtop}
405         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
406         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
407         ;;
408   *)
409         hardtop_plat=${hardtop}
410         ;;
411 esac
412 AC_SUBST(hardtop)
413 AC_SUBST(hardtop_plat)
414
415 AC_MSG_RESULT(${hardtop})
416
417 dnl --------------------------------------------------------------
418 dnl * Project specific configuration options
419 dnl --------------------------------------------------------------
420 dnl What follows is a bunch of options that can either be configured
421 dnl through command line options to the configure script or by
422 dnl supplying defns in the build tree's mk/build.mk. Having the option to
423 dnl use either is considered a Feature.
424
425 dnl ** What command to use to compile compiler sources ?
426 dnl --------------------------------------------------------------
427
428 AC_ARG_WITH(ghc,
429 [  --with-ghc=<haskell compiler>
430         Use a command different from 'ghc' to compile GHC-specific Haskell code
431             (including GHC itself).
432 ],
433 [ WithGhc="$withval" ],
434
435   if test "$GHC" = ""; then
436     AC_PATH_PROG(GHC,ghc)
437   fi
438   WithGhc=$GHC
439 ]
440 )
441 AC_SUBST(WithGhc)
442
443 AC_ARG_WITH(hc,
444 [  --with-hc=<haskell compiler>
445         Use a command different from 'ghc' to compile generic Haskell code.
446 ],
447 [WithHc="$withval"],
448 [WithHc=$WithGhc]
449 )
450 AC_SUBST(WithHc)
451
452 if test "$WithGhc" != ""; then
453   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
454   AC_SUBST(GhcVersion)dnl
455   AC_SUBST(GhcMajVersion)dnl
456   AC_SUBST(GhcMinVersion)dnl
457   AC_SUBST(GhcPatchLevel)dnl
458 fi
459
460 AC_PATH_PROGS(NHC,nhc nhc98)
461 AC_PATH_PROG(HBC,hbc)
462
463 dnl ** Which gcc to use?
464 dnl --------------------------------------------------------------
465 AC_ARG_WITH(gcc,
466 [  --with-gcc=<gcc command>
467         Use a different command instead of 'gcc' for the GNU C compiler.
468 ],
469 [WhatGccIsCalled="$withval"
470  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
471     # Canonicalise to <drive>:/path/to/gcc
472     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
473  fi;
474  CC="$withval"],
475 [WhatGccIsCalled="gcc"]
476 )
477 AC_SUBST(WhatGccIsCalled)
478
479 dnl ** Booting from .hc files?
480 dnl --------------------------------------------------------------
481 AC_ARG_ENABLE(hc-boot,
482 [  --enable-hc-boot
483         Boot the Glasgow Haskell Compiler from intermediate .hc files.
484         (This option is mostly of interest to porters.)
485 ],
486 [BootingFromHc=YES],
487 [BootingFromHc=NO]
488 )
489 AC_SUBST(BootingFromHc)
490
491 dnl ** Booting from unregisterised .hc files?
492 dnl --------------------------------------------------------------
493 AC_ARG_ENABLE(hc-boot-unregisterised,
494 [  --enable-hc-boot-unregisterised
495         With --enable-hc-boot, treat the intermediate .hc files as
496         unregisterised rather than registerised code.
497         (This option is mostly of interest to porters.)
498 ],
499 [BootingFromUnregisterisedHc=YES],
500 [BootingFromUnregisterisedHc=NO]
501 )
502 AC_SUBST(BootingFromUnregisterisedHc)
503
504 if test "$BootingFromHc" = "NO"; then
505 if test "$BootingFromUnregisterisedHc" = "YES"; then
506 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
507 fi;
508 fi;
509
510 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
511 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
512 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
513 fi;
514
515 dnl ** Enable multi-thread friendly RTS?
516 dnl --------------------------------------------------------------
517 AC_ARG_ENABLE(threaded-rts,
518 [  --enable-threaded-rts
519         Support better interop with OS threads.
520 ],
521 [ThreadedRts=YES],
522 [ThreadedRts=NO]
523 )
524 AC_SUBST(ThreadedRts)
525
526 dnl ** Enable the construction of Win32 DLLs?
527 dnl --------------------------------------------------------------
528 dnl
529 dnl [ The ability to build the RTS and libraries as separate DLLs used
530 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
531 dnl   and build system would be required to bring it back again.)
532 dnl   Hence, exposing it as an option is false advertisement, so better
533 dnl   disable it to avoid confusion (but leave it commented-out rather
534 dnl   than removed in order to remind ourselves to bring back the 
535 dnl   feature at some stage.) ]
536 dnl
537 dnl AC_ARG_ENABLE(win32-dlls,
538 dnl [  --enable-win32-dlls
539 dnl         If on a Win32 platform running mingw32/cygwin, enable the
540 dnl     construction of DLLs containing ghc-compiled code.
541 dnl ],
542 dnl [
543 dnl case $HostOS_CPP in
544 dnl cygwin32) ;;
545 dnl mingw32)  ;;
546 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
547 dnl       exit 1
548 dnl       ;;
549 dnl esac
550 dnl EnableWin32DLLs=YES
551 dnl ],
552 dnl [EnableWin32DLLs=NO]
553 dnl )
554 dnl AC_SUBST(EnableWin32DLLs)
555 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
556 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
557 dnl fi
558
559 dnl ** Enable the building of the ObjectIO?
560 dnl --------------------------------------------------------------
561 AC_ARG_ENABLE(objectio,
562 [  --enable-objectio
563         Build ObjectIO, a portable GUI library for Haskell.
564 ],
565 [GhcLibsWithObjectIO=YES],
566 [GhcLibsWithObjectIO=NO]
567 )
568 AC_SUBST(GhcLibsWithObjectIO)
569
570 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
571 dnl --------------------------------------------------------------
572 AC_ARG_ENABLE(hopengl,
573 [  --enable-hopengl
574         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
575         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
576         of the "native" libraries.
577 ],
578 [GhcLibsWithHOpenGL=YES],
579 [GhcLibsWithHOpenGL=NO]
580 )
581 UseQuartzOpenGL=NO
582 if test x"$TargetOS_CPP" = x"darwin"; then
583   if test x"$enable_hopengl" != x"x11"; then
584     AC_DEFINE([USE_QUARTZ_OPENGL], [1],
585               [Define to 1 if native OpenGL should be used on Mac OS X])
586     UseQuartzOpenGL=YES
587   fi
588 fi
589
590 AC_SUBST(GhcLibsWithHOpenGL)
591
592 dnl ** .NET interop support?
593 dnl --------------------------------------------------------------
594 AC_ARG_ENABLE(dotnet,
595 [  --enable-dotnet
596         Build .NET interop layer.
597 ],
598 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
599 [DotnetSupport=NO]
600 )
601 AC_SUBST(DotnetSupport)
602
603 dnl --------------------------------------------------------------
604 dnl End of configure script option section
605 dnl --------------------------------------------------------------
606
607
608 dnl --------------------------------------------------------------
609 dnl * General configuration checks
610 dnl --------------------------------------------------------------
611
612 dnl ** does #! work?
613 AC_SYS_INTERPRETER()
614
615 dnl ** look for `perl', but only in /bin on Windows
616 case $HostOS_CPP in
617 cygwin32|mingw32)
618       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
619       if test -z "$PerlCmd"; then
620          echo "You must install the version of Perl shipped with GHC"
621          echo "(or a compatible one) in /bin."
622          exit 1
623       fi
624    ;;
625 *)
626    AC_PATH_PROG(PerlCmd,perl)
627    if test -z "$PerlCmd"; then
628       echo "You must install perl before you can continue"
629       echo "Perhaps it is already installed, but not in your PATH?"
630       exit 1
631    else
632    FPTOOLS_CHECK_PERL_VERSION
633    fi
634    ;;
635 esac
636
637 dnl ** does #! path/to/perl work? (sometimes it's too long...)
638 FPTOOLS_SHEBANG_PERL
639
640 dnl ** check for Python
641 AC_PATH_PROG(PythonCmd,python)
642
643 dnl ** look for GCC and find out which version
644 dnl     Figure out which C compiler to use.  Gcc is preferred.
645 dnl     If gcc, make sure it's at least 2.1
646 dnl
647 AC_PROG_CC
648 FPTOOLS_HAVE_GCC
649 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
650
651 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
652 AC_PROG_CPP
653
654 dnl ** Without optimization some INLINE trickery fails for GHCi
655 SRC_CC_OPTS="-O"
656
657 dnl ** Try to add -mno-cygwin to the C compiler options
658 FP_CHECK_FLAG([-mno-cygwin], [
659 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
660 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
661 AC_SUBST(SRC_CC_OPTS)
662
663 dnl ** figure out how to do context diffs
664 FP_PROG_CONTEXT_DIFF
665
666 dnl ** Find find command (for Win32's benefit)
667 FPTOOLS_FIND_FIND
668
669 dnl ** figure out how to do a BSD-ish install
670 AC_PROG_INSTALL
671
672 dnl If you can run configure, you certainly have /bin/sh
673 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
674
675 dnl ** how to invoke `ar' and `ranlib'
676 FPTOOLS_PROG_AR_AND_RANLIB
677
678 dnl ** Check to see whether ln -s works
679 AC_PROG_LN_S
680
681
682 dnl ** Find the path to sed
683 AC_PATH_PROG(SedCmd,sed)
684
685
686 dnl ** check for time command
687 AC_PATH_PROG(TimeCmd,time)
688
689 dnl ** check for tar
690 dnl   if GNU tar is named gtar, look for it first.
691 AC_PATH_PROGS(TarCmd,gtar tar,tar)
692
693 dnl ** check for jade/openjade & determine a working catalog
694 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
695 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
696                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
697 if test -z "$Catalog"; then
698   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
699 fi
700 case $Catalog in
701    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
702         Catalog=
703         ;;
704    glafp*) 
705         case $HostOS_CPP in
706            mingw32)
707               Catalog=`cygpath -w $hardtop/$Catalog`
708               ;;
709            *) Catalog=$hardtop/$Catalog
710               ;;
711         esac
712    ;;
713 esac   
714 AC_SUBST(Catalog)
715
716
717 dnl ** check for ghc-pkg command
718 changequote(, )dnl
719 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
720 changequote([, ])dnl
721 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
722    GhcPkgCmd=$ghc_pkg_guess
723    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
724 else
725    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
726 fi
727
728 AC_ARG_WITH(greencard,
729 [  --with-greencard=<greencard compiler>
730         Use a command different from 'greencard' to compile GreenCard files
731 ],
732 [
733 GreenCardCmd=$withval;
734 FPTOOLS_GREENCARD(3.00)
735 ]
736 )
737
738 AC_ARG_ENABLE(src-tree-happy,
739 [  --enable-src-tree-happy
740         Build and use source tree (fptools/happy) version of Happy.
741 ],
742 [UseSrcTreeHappy=YES],
743 [UseSrcTreeHappy=NO]
744 )
745 dnl ** check for installed happy binary + version
746 dnl    (don't do it if we're booting from .hc files though.)
747 if test "$BootingFromHc" = "NO"; then
748 FPTOOLS_HAPPY
749 fi;
750
751 AC_ARG_ENABLE(src-tree-haddock,
752 [  --enable-src-tree-haddock
753         Build and use source tree (fptools/haddock) version of Haddock.
754 ],
755 [UseSrcTreeHaddock=YES],
756 [UseSrcTreeHaddock=NO]
757 )
758 dnl ** check for installed haddock
759 FPTOOLS_HADDOCK
760
761 AC_ARG_ENABLE(src-tree-alex,
762 [  --enable-src-tree-alex
763         Build and use source tree (fptools/alex) version of Alex.
764 ],
765 [UseSrcTreeAlex=YES],
766 [UseSrcTreeAlex=NO]
767 )
768 dnl ** check for installed alex binary + version
769 dnl    (don't do it if we're booting from .hc files though.)
770 if test "$BootingFromHc" = "NO"; then
771 FPTOOLS_ALEX
772 fi;
773
774 dnl --------------------------------------------------
775 dnl ### program checking section ends here ###
776 dnl --------------------------------------------------
777
778 dnl --------------------------------------------------
779 dnl * Platform header file and syscall feature tests
780 dnl ### checking the state of the local header files and syscalls ###
781
782 dnl ** check for full ANSI header (.h) files
783 AC_HEADER_STDC
784
785 dnl ** Enable large file support.  NB. do this before testing the type of
786 dnl    off_t, because it will affect the result of that test.
787 AC_SYS_LARGEFILE
788
789 dnl ** check for specific header (.h) files that we are interested in
790 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)
791 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
792
793 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
794 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
795
796 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
797   HaveReadlineHeaders=YES
798   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
799 else
800   HaveReadlineHeaders=NO
801   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
802 fi
803 AC_SUBST(HaveReadlineHeaders)
804
805 dnl ** check for DOS include files
806 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
807
808 dnl ** check for Windows include files
809 AC_CHECK_HEADERS(windows.h)
810
811 dnl ** check for OpenGL include files
812 if test $UseQuartzOpenGL = YES ; then
813   AC_CHECK_HEADERS(OpenGL/gl.h)
814 else
815   AC_CHECK_HEADERS(GL/gl.h)
816 fi
817
818 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
819 AC_HEADER_TIME
820
821 dnl dynamic loading include files
822 AC_CHECK_HEADERS(dlfcn.h dl.h) 
823
824 dnl ** check for farcalloc (in bcc)
825 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
826
827 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
828 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
829
830 dnl ** check for POSIX regex
831 HavePosixRegex=NO
832 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
833 AC_SUBST(HavePosixRegex)
834
835 dnl ** how do we get a timezone name, and UTC offset ?
836 AC_STRUCT_TIMEZONE
837
838 dnl ** do we have altzone?
839 FP_DECL_ALTZONE
840
841 dnl ** does struct stat contain st_blksize?
842 AC_STRUCT_ST_BLKSIZE
843
844 dnl ** do we have long longs?
845 AC_CHECK_TYPES([long long])
846
847 dnl ** check what fields struct msghdr contains
848 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
849 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
850 # include <sys/types.h>
851 #endif
852 #if HAVE_SYS_SOCKET_H
853 # include <sys/socket.h>
854 #endif
855 #if HAVE_SYS_UIO_H
856 # include <sys/uio.h>
857 #endif])
858
859 dnl ** what are the sizes of various types
860 AC_CHECK_SIZEOF(char,               1)
861 AC_CHECK_SIZEOF(double,             8)
862 AC_CHECK_SIZEOF(float,              4)
863 AC_CHECK_SIZEOF(int,                4)
864 AC_CHECK_SIZEOF(long,               4)
865 if test "$ac_cv_type_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 "$ac_cv_type_long_long" = yes; then
873 AC_CHECK_SIZEOF(unsigned long long, 8)
874 fi
875 AC_CHECK_SIZEOF(unsigned short,     2)
876 AC_CHECK_SIZEOF(void *,             4)
877
878 dnl ** what are alignment constraints on various types
879 FP_CHECK_ALIGNMENT(char)
880 FP_CHECK_ALIGNMENT(double)
881 FP_CHECK_ALIGNMENT(float)
882 FP_CHECK_ALIGNMENT(int)
883 FP_CHECK_ALIGNMENT(long)
884 if test "$ac_cv_type_long_long" = yes; then
885 FP_CHECK_ALIGNMENT(long long)
886 fi
887 FP_CHECK_ALIGNMENT(short)
888 FP_CHECK_ALIGNMENT(unsigned char)
889 FP_CHECK_ALIGNMENT(unsigned int)
890 FP_CHECK_ALIGNMENT(unsigned long)
891 if test "$ac_cv_type_long_long" = yes; then
892 FP_CHECK_ALIGNMENT(unsigned long long)
893 fi
894 FP_CHECK_ALIGNMENT(unsigned short)
895 FP_CHECK_ALIGNMENT(void *)
896
897 dnl ** map standard C types and ISO types to Haskell types
898 FPTOOLS_CHECK_HTYPE(char)
899 FPTOOLS_CHECK_HTYPE(signed char)
900 FPTOOLS_CHECK_HTYPE(unsigned char)
901 FPTOOLS_CHECK_HTYPE(short)
902 FPTOOLS_CHECK_HTYPE(unsigned short)
903 FPTOOLS_CHECK_HTYPE(int)
904 FPTOOLS_CHECK_HTYPE(unsigned int)
905 FPTOOLS_CHECK_HTYPE(long)
906 FPTOOLS_CHECK_HTYPE(unsigned long)
907 if test "$ac_cv_type_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 $GhcLibsWithHOpenGL = YES ; then
937 FPTOOLS_CHECK_HTYPE(GLboolean)
938 FPTOOLS_CHECK_HTYPE(GLbyte)
939 FPTOOLS_CHECK_HTYPE(GLubyte)
940 FPTOOLS_CHECK_HTYPE(GLshort)
941 FPTOOLS_CHECK_HTYPE(GLushort)
942 FPTOOLS_CHECK_HTYPE(GLint)
943 FPTOOLS_CHECK_HTYPE(GLuint)
944 FPTOOLS_CHECK_HTYPE(GLsizei)
945 FPTOOLS_CHECK_HTYPE(GLenum)
946 FPTOOLS_CHECK_HTYPE(GLbitfield)
947 FPTOOLS_CHECK_HTYPE(GLfloat)
948 FPTOOLS_CHECK_HTYPE(GLclampf)
949 FPTOOLS_CHECK_HTYPE(GLdouble)
950 FPTOOLS_CHECK_HTYPE(GLclampd)
951 fi
952
953 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <errno.h>])
954
955 dnl ** can we open files in binary mode?
956 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
957
958 dnl ** check for GetModuleFileName and WinExec (windows only)
959 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
960 dnl Doesn't work because the linker can't see the functions if
961 dnl you omit the #include <windows.h>.  (I've no idea why not...)
962
963 FPTOOLS_TRY_LINK_NOWARN(,[
964 #if HAVE_WINDOWS_H
965 #include <windows.h>
966 #endif
967 main() { 
968   WinExec("",0);
969   exit(0);
970 }
971 ],
972 [have_winexec=1],
973 [have_winexec=0])
974 if test "$have_winexec" = "1"; then
975   AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
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 "$have_getmodulefilename" = "1"; then
991 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
992 fi
993
994 dnl ** check return type of signal handlers
995 dnl Foo: assumes we can use prototypes.
996 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
997 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
998 dnl [AC_TRY_COMPILE([#include <sys/types.h>
999 dnl #include <signal.h>
1000 dnl #ifdef signal
1001 dnl #undef signal
1002 dnl #endif
1003 dnl void (*signal (int, void (*)(int)))(int);
1004 dnl ],
1005 dnl [int i;], 
1006 dnl ac_cv_type_signal_handler=void_int,
1007 dnl ac_cv_type_signal_handler=int_void)])
1008 dnl if test "$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 "$ac_cv_type_signal" = void; then
1015   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1016 fi
1017
1018 dnl ** check for more functions
1019 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1020 AC_CHECK_FUNCS(strcmp)
1021 AC_CHECK_FUNCS(realpath _fullpath)  
1022 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1023 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1024 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1025 AC_CHECK_FUNCS(snprintf  _snprintf )  
1026 AC_CHECK_FUNCS(popen     _popen )  
1027 AC_CHECK_FUNCS(pclose    _pclose )  
1028 AC_CHECK_FUNCS(setenv unsetenv)
1029
1030
1031 dnl ** check for specific library functions that we are interested in
1032 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1033
1034 dnl ** Solaris2 needs additionl flag for getpw*_r()
1035 case "$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 $HaveFrameworkHaskellSupport = YES; then
1057   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1058  fi;
1059  LIBS="$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 $HaveLibMingwEx = YES ; then
1069   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1070 fi
1071
1072 if test "$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 wide-char classifications
1084 AC_CHECK_HEADERS(wctype.h)
1085
1086 dnl ** check for readline, for Hugs and hslibs' Readline
1087 dnl ncurses supersedes termcap and curses, but for compatibility,
1088 dnl we have to check for all...
1089 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1090   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1091     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1092       HaveLibTermcap=NO; LibTermcap=not-installed)))
1093
1094 if test $HaveLibTermcap = YES ; then
1095   LIBS="-l$LibTermcap $LIBS"
1096   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1097 fi
1098
1099 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1100   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1101   LibsReadline="readline $LibTermcap"
1102 else
1103   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1104   LibsReadline=
1105 fi
1106 AC_SUBST(LibsReadline)
1107
1108 if test "$HaveLibReadline"; then
1109   AC_CHECK_LIB(readline, rl_erase_empty_line,
1110     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1111     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1112   AC_CHECK_LIB(readline, rl_free_undo_list,
1113     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1114     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1115 else
1116   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1117   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1118 fi
1119
1120 dnl ** check for math library
1121 FPTOOLS_CHECK_LIBM()
1122 AC_SUBST(LIBM)
1123
1124 dnl ** check for X Window System
1125 AC_PATH_XTRA()
1126
1127 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1128 if test $GhcLibsWithHOpenGL = YES ; then
1129   if test $UseQuartzOpenGL = YES ; then
1130     dnl Take a shortcut for Mac OS X native OpenGL:
1131     dnl It's in a non-standard location, but it's always there
1132     GL_CFLAGS=
1133         GL_LIBS=
1134         GLUT_LIBS=
1135         AC_SUBST(GL_CFLAGS)
1136         AC_SUBST(GL_LIBS)
1137         AC_SUBST(GLUT_LIBS)
1138   else
1139     FPTOOLS_HAVE_OPENGL
1140   fi
1141 fi
1142
1143 dnl ################################################################
1144 dnl Check for libraries
1145 dnl ################################################################
1146
1147 dnl ** check for libdl & RTLD_NEXT
1148
1149 dnl (Mac OS X only) ... but don't check if we already have the
1150 dnl HaskellSupport.framework
1151
1152 if test $HaveFrameworkHaskellSupport = YES; then
1153     HaveLibDL=NO
1154     HaveRtldNext=NO
1155     HaveRtldLocal=YES
1156     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1157     HaveRtldGlobal=YES
1158     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1159     HaveRtldNow=YES
1160     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1161     AC_SUBST(HaveLibDL)
1162     AC_SUBST(HaveRtldNext)
1163     AC_SUBST(HaveRtldLocal)
1164     AC_SUBST(HaveRtldGlobal)
1165     AC_SUBST(HaveRtldNow)
1166 else
1167     AC_CHECK_LIB(dl, dlopen, 
1168         [HaveLibDL=YES
1169          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1170          LIBS="$LIBS -ldl"], 
1171         [HaveLibDL=NO])
1172     AC_CHECK_FUNCS(dlopen)
1173     AC_SUBST(HaveLibDL)
1174
1175     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1176     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1177     AC_EGREP_CPP(yes,
1178     [
1179      #include <dlfcn.h>
1180      #ifdef RTLD_NEXT
1181             yes
1182      #endif
1183     ], [
1184       AC_MSG_RESULT(yes)
1185       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1186       HaveRtldNext=YES
1187     ], [
1188       AC_MSG_RESULT(no)
1189       HaveRtldNext=NO
1190       ])    
1191     AC_SUBST(HaveRtldNext)
1192
1193     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1194     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1195     AC_EGREP_CPP(yes,
1196     [
1197      #include <dlfcn.h>
1198      #ifdef RTLD_LOCAL
1199             yes
1200      #endif
1201     ], [
1202       AC_MSG_RESULT(yes)
1203       AC_DEFINE(HAVE_RTLDLOCAL)
1204       HaveRtldLocal=YES
1205     ], [
1206       AC_MSG_RESULT(no)
1207       HaveRtldLocal=NO
1208       ])    
1209     AC_SUBST(HaveRtldLocal)
1210
1211     dnl ** RTLD_GLOBAL isn't available on openbsd
1212     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1213     AC_EGREP_CPP(yes,
1214     [
1215      #include <dlfcn.h>
1216      #ifdef RTLD_GLOBAL
1217             yes
1218      #endif
1219     ], [
1220       AC_MSG_RESULT(yes)
1221       AC_DEFINE(HAVE_RTLDGLOBAL)
1222       HaveRtldGlobal=YES
1223     ], [
1224       AC_MSG_RESULT(no)
1225       HaveRtldGlobal=NO
1226       ])    
1227     AC_SUBST(HaveRtldGlobal)
1228
1229     dnl ** RTLD_NOW isn't available on openbsd
1230     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1231     AC_EGREP_CPP(yes,
1232     [
1233      #include <dlfcn.h>
1234      #ifdef RTLD_NOW
1235             yes
1236      #endif
1237     ], [
1238       AC_MSG_RESULT(yes)
1239       AC_DEFINE(HAVE_RTLDNOW)
1240       HaveRtldNow=YES
1241     ], [
1242       AC_MSG_RESULT(no)
1243       HaveRtldNow=NO
1244       ])    
1245     AC_SUBST(HaveRtldNow)
1246 fi
1247
1248 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1249
1250 dnl ---------- usleep ----------
1251 dnl --- stolen from guile configure ---
1252 dnl --- FIXME: /usr/include/unistd.h can't be right?
1253
1254 ### On some systems usleep has no return value.  If it does have one,
1255 ### we'd like to return it; otherwise, we'll fake it.
1256 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1257   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1258                    /usr/include/unistd.h,
1259                    [cv_func_usleep_return_type=void],
1260                    [cv_func_usleep_return_type=int])])
1261 case "$cv_func_usleep_return_type" in
1262   "void" )
1263     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1264   ;;
1265 esac
1266
1267 dnl --------------------------------------------------
1268 dnl * test for in_addr_t
1269 dnl --------------------------------------------------
1270 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1271 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1272  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1273  AC_MSG_RESULT(no))
1274
1275 dnl --------------------------------------------------
1276 dnl * test for Linux sendfile(2)
1277 dnl --------------------------------------------------
1278 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1279 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1280  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1281  AC_MSG_RESULT(no))
1282
1283 dnl --------------------------------------------------
1284 dnl * test for BSD sendfile(2)
1285 dnl --------------------------------------------------
1286 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1287 AC_EGREP_HEADER(sendfile, sys/socket.h,
1288  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1289  AC_MSG_RESULT(no))
1290
1291 dnl --------------------------------------------------
1292 dnl * test for GTK+
1293 dnl --------------------------------------------------
1294
1295 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1296 if test "$GTK_CONFIG" != ""; then
1297    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1298         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1299     ])
1300     GTK_VERSION=$fptools_cv_gtk_version
1301 else
1302     GTK_VERSION=
1303 fi
1304
1305 case $fptools_cv_gtk_version in
1306   1.[[23]].*) ;;
1307   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1308      GTK_CONFIG=
1309      ;;
1310 esac
1311
1312 AC_SUBST(GTK_CONFIG)
1313 AC_SUBST(GTK_VERSION)
1314
1315 dnl --------------------------------------------------
1316 dnl * Miscellaneous feature tests
1317 dnl --------------------------------------------------
1318
1319 dnl ** can we get alloca?
1320 AC_FUNC_ALLOCA
1321
1322 dnl ** Working vfork?
1323 AC_FUNC_VFORK
1324
1325 dnl ** determine whether or not const works
1326 AC_C_CONST
1327
1328 dnl ** are we big endian?
1329 AC_C_BIGENDIAN
1330
1331 dnl ** check for leading underscores in symbol names
1332 FPTOOLS_UNDERSCORE
1333
1334 dnl ** check for ld, and whether ld has -x option
1335 AC_PATH_PROG(LdCmdRaw, ld)
1336 case $HostOS_CPP in
1337  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1338            ;;
1339  *) LdCmd=${LdCmdRaw}
1340     ;;
1341 esac
1342 AC_SUBST(LdCmd)
1343 FPTOOLS_LD_X
1344
1345 AC_MSG_CHECKING([for SIGPOLL])
1346 AC_EGREP_CPP(we_have_sigpoll,
1347 [#include <signal.h>
1348 #ifdef SIGPOLL
1349 we_have_sigpoll
1350 #endif
1351 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1352 AC_MSG_RESULT([$haveSIGPOLL])
1353
1354 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1355 AC_EGREP_CPP(we_have_that_sysconf_thing,
1356 [
1357 #include <unistd.h>
1358 #ifdef _SC_GETGR_R_SIZE_MAX
1359 we_have_that_sysconf_thing
1360 #endif
1361 ],
1362 [AC_MSG_RESULT([yes])
1363 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1364 [AC_MSG_RESULT([no])])
1365
1366 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1367 AC_EGREP_CPP(we_have_that_sysconf_thing,
1368 [
1369 #include <unistd.h>
1370 #ifdef _SC_GETPW_R_SIZE_MAX
1371 we_have_that_sysconf_thing
1372 #endif
1373 ],
1374 [AC_MSG_RESULT([yes])
1375 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1376 [AC_MSG_RESULT([no])])
1377
1378 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )