[project @ 2004-04-18 05:05:22 by dons]
[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 amd64*-*-openbsd*)
109         HostPlatform=x86_64-unknown-openbsd
110         TargetPlatform=x86_64-unknown-openbsd
111         BuildPlatform=x86_64-unknown-openbsd
112         HostPlatform_CPP='x86_64_unknown_openbsd'
113         HostArch_CPP='x86_64'
114         HostVendor_CPP='unknown'
115         HostOS_CPP='openbsd'
116         ;;
117 arm*-linux*)
118         HostPlatform=arm-unknown-linux # hack again
119         TargetPlatform=arm-unknown-linux
120         BuildPlatform=arm-unknown-linux
121         HostPlatform_CPP='arm_unknown_linux'                 
122         HostArch_CPP='arm'
123         HostVendor_CPP='unknown'
124         HostOS_CPP='linux'
125         ;;
126 hppa*-*-linux*)
127         HostPlatform=hppa-unknown-linux # hack again
128         TargetPlatform=hppa-unknown-linux
129         BuildPlatform=hppa-unknown-linux
130         HostPlatform_CPP='hppa_unknown_linux'                
131         HostArch_CPP='hppa'
132         HostVendor_CPP='unknown'                             
133         HostOS_CPP='linux'
134         ;;
135 hppa1.1-hp-hpux*)
136         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
137         TargetPlatform=hppa1.1-hp-hpux
138         BuildPlatform=hppa1.1-hp-hpux
139         HostPlatform_CPP='hppa1_1_hp_hpux'
140         HostArch_CPP='hppa1_1'
141         HostVendor_CPP='hp'
142         HostOS_CPP='hpux'
143         ;;
144 i[[3456]]86-*-linuxaout*)
145         HostPlatform=i386-unknown-linuxaout   # hack again
146         TargetPlatform=i386-unknown-linuxaout
147         BuildPlatform=i386-unknown-linuxaout
148         HostPlatform_CPP='i386_unknown_linuxaout'
149         HostArch_CPP='i386'
150         HostVendor_CPP='unknown'
151         HostOS_CPP='linuxaout'
152         ;;
153 i[[3456]]86-*-linux*)
154         HostPlatform=i386-unknown-linux # hack again
155         TargetPlatform=i386-unknown-linux
156         BuildPlatform=i386-unknown-linux
157         HostPlatform_CPP='i386_unknown_linux'
158         HostArch_CPP='i386'
159         HostVendor_CPP='unknown'
160         HostOS_CPP='linux'
161         ;;
162 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
163         HostPlatform=i386-unknown-freebsd # hack again
164         TargetPlatform=i386-unknown-freebsd
165         BuildPlatform=i386-unknown-freebsd
166         HostPlatform_CPP='i386_unknown_freebsd'
167         HostArch_CPP='i386'
168         HostVendor_CPP='unknown'
169         HostOS_CPP='freebsd'
170         ;;
171 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
172         HostPlatform=i386-unknown-freebsd2 # hack again
173         TargetPlatform=i386-unknown-freebsd2
174         BuildPlatform=i386-unknown-freebsd2
175         HostPlatform_CPP='i386_unknown_freebsd2'
176         HostArch_CPP='i386'
177         HostVendor_CPP='unknown'
178         HostOS_CPP='freebsd2'
179         ;;
180 i[[3456]]86-*-netbsd*)
181         HostPlatform=i386-unknown-netbsd # hack again
182         TargetPlatform=i386-unknown-netbsd
183         BuildPlatform=i386-unknown-netbsd
184         HostPlatform_CPP='i386_unknown_netbsd'
185         HostArch_CPP='i386'
186         HostVendor_CPP='unknown'
187         HostOS_CPP='netbsd'
188         ;;
189 i[[3456]]86-*-openbsd*)
190         HostPlatform=i386-unknown-openbsd # hack again
191         TargetPlatform=i386-unknown-openbsd
192         BuildPlatform=i386-unknown-openbsd
193         HostPlatform_CPP='i386_unknown_openbsd'
194         HostArch_CPP='i386'
195         HostVendor_CPP='unknown'
196         HostOS_CPP='openbsd'
197         ;;
198 i[[3456]]86-*-solaris2*)
199         HostPlatform=i386-unknown-solaris2 # hack again
200         TargetPlatform=i386-unknown-solaris2
201         BuildPlatform=i386-unknown-solaris2
202         HostPlatform_CPP='i386_unknown_solaris2'
203         HostArch_CPP='i386'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='solaris2'
206         ;;
207 i[[3456]]86-*-cygwin*)
208         HostPlatform=i386-unknown-cygwin32 # hack again
209         TargetPlatform=i386-unknown-cygwin32
210         BuildPlatform=i386-unknown-cygwin32
211         HostPlatform_CPP='i386_unknown_cygwin32'
212         HostArch_CPP='i386'
213         HostVendor_CPP='unknown'
214         HostOS_CPP='cygwin32'
215         exeext='.exe'
216         ;;
217 i[[3456]]86-*-mingw32*)
218         HostPlatform=i386-unknown-mingw32 # hack again
219         TargetPlatform=i386-unknown-mingw32
220         BuildPlatform=i386-unknown-mingw32
221         HostPlatform_CPP='i386_unknown_mingw32'
222         HostArch_CPP='i386'
223         HostVendor_CPP='unknown'
224         HostOS_CPP='mingw32'
225         exeext='.exe'
226         ;;
227 ia64-*-linux*)
228         HostPlatform=ia64-unknown-linux # hack again
229         TargetPlatform=ia64-unknown-linux
230         BuildPlatform=ia64-unknown-linux
231         HostPlatform_CPP='ia64_unknown_linux'
232         HostArch_CPP='ia64'
233         HostVendor_CPP='unknown'
234         HostOS_CPP='linux'
235         ;;
236 x86_64-*-linux*)
237         HostPlatform=x86_64-unknown-linux
238         TargetPlatform=x86_64-unknown-linux
239         BuildPlatform=x86_64-unknown-linux
240         HostPlatform_CPP='x86_64_unknown_linux'
241         HostArch_CPP='x86_64'
242         HostVendor_CPP='unknown'
243         HostOS_CPP='linux'
244         ;;
245 m68k-*-linux*)
246         HostPlatform=m68k-unknown-linux # hack again
247         TargetPlatform=m68k-unknown-linux                    
248         BuildPlatform=m68k-unknown-linux
249         HostPlatform_CPP='m68k_unknown_linux'
250         HostArch_CPP='m68k'
251         HostVendor_CPP='unknown'
252         HostOS_CPP='linux'
253         ;;
254 m68k-next-nextstep2)
255         HostPlatform_CPP='m68k_next_nextstep2'
256         HostArch_CPP='m68k'
257         HostVendor_CPP='next'
258         HostOS_CPP='nextstep2'
259         ;;
260 m68k-next-nextstep3)
261         HostPlatform_CPP='m68k_next_nextstep3'
262         HostArch_CPP='m68k'
263         HostVendor_CPP='next'
264         HostOS_CPP='nextstep3'
265         ;;
266 i[[3456]]86-next-nextstep3)
267         HostPlatform=i386-next-nextstep3 # hack again
268         TargetPlatform=i386-next-nextstep3
269         BuildPlatform=i386-next-nextstep3
270         HostPlatform_CPP='i386_next_nextstep3'
271         HostArch_CPP='i386'
272         HostVendor_CPP='next'
273         HostOS_CPP='nextstep3'
274         ;;
275 m68k-*-openbsd*)
276         HostPlatform=m68k-unknown-openbsd
277         TargetPlatform=m68k-unknown-openbsd
278         BuildPlatform=m68k-unknown-openbsd
279         HostPlatform_CPP='m68k_unknown_openbsd'
280         HostArch_CPP='m68k'
281         HostVendor_CPP='unknown'
282         HostOS_CPP='openbsd'
283         ;;
284 m68k-*-netbsd*)
285         HostPlatform=m68k-unknown-netbsd
286         TargetPlatform=m68k-unknown-netbsd
287         BuildPlatform=m68k-unknown-netbsd
288         HostPlatform_CPP='m68k_unknown_netbsd'
289         HostArch_CPP='m68k'
290         HostVendor_CPP='unknown'
291         HostOS_CPP='netbsd'
292         ;;
293 m68k-sun-sunos4*)
294         HostPlatform=m68k-sun-sunos4
295         TargetPlatform=m68k-sun-sunos4 #hack
296         BuildPlatform=m68k-sun-sunos4 #hack
297         HostPlatform_CPP='m68k_sun_sunos4'
298         HostArch_CPP='m68k'
299         HostVendor_CPP='sun'
300         HostOS_CPP='sunos4'
301         ;;
302 mips-*-linux*)
303         HostPlatform=mips-unknown-linux # hack again
304         TargetPlatform=mips-unknown-linux
305         BuildPlatform=mips-unknown-linux
306         HostPlatform_CPP='mips_unknown_linux'
307         HostArch_CPP='mips'
308         HostVendor_CPP='unknown'
309         HostOS_CPP='linux'
310         ;;
311 mips-dec-ultrix*)
312         HostPlatform_CPP='mips_dec_ultrix'
313         HostArch_CPP='mipsel'   # NB a little different
314         HostVendor_CPP='dec'
315         HostOS_CPP='ultrix'
316         ;;
317 mips-sgi-irix*)
318         HostPlatform=mips-sgi-irix
319         TargetPlatform=mips-sgi-irix #hack
320         BuildPlatform=mips-sgi-irix #hack
321         HostPlatform_CPP='mips_sgi_irix'
322         HostArch_CPP='mipseb'   # NB a little different
323         HostVendor_CPP='sgi'
324         HostOS_CPP='irix'
325         ;;
326 rs6000-ibm-aix*)
327         HostPlatform=rs6000-ibm-aix
328         TargetPlatform=rs6000-ibm-aix #hack
329         BuildPlatform=rs6000-ibm-aix #hack
330         HostPlatform_CPP='rs6000_ibm_aix'
331         HostArch_CPP='rs6000'
332         HostVendor_CPP='ibm'
333         HostOS_CPP='aix'
334         ;;
335 powerpc-ibm-aix*)
336         HostPlatform=powerpc-ibm-aix
337         TargetPlatform=powerpc-ibm-aix #hack
338         BuildPlatform=powerpc-ibm-aix #hack
339         HostPlatform_CPP='powerpc_ibm_aix'
340         HostArch_CPP='powerpc'
341         HostVendor_CPP='ibm'
342         HostOS_CPP='aix'
343         ;;
344 powerpc-apple-darwin*)
345         HostPlatform=powerpc-apple-darwin
346         TargetPlatform=powerpc-apple-darwin #hack
347         BuildPlatform=powerpc-apple-darwin #hack
348         HostPlatform_CPP='powerpc_apple_darwin'
349         HostArch_CPP='powerpc'
350         HostVendor_CPP='apple'
351         HostOS_CPP='darwin'
352         ;;
353 powerpc-unknown-linux*)
354         HostPlatform=powerpc-unknown-linux
355         TargetPlatform=powerpc-unknown-linux
356         BuildPlatform=powerpc-unknown-linux
357         HostPlatform_CPP='powerpc_unknown_linux'
358         HostArch_CPP='powerpc'
359         HostVendor_CPP='unknown'
360         HostOS_CPP='linux'
361         ;;
362 s390-ibm-linux*)
363        HostPlatform=s390-ibm-linux
364        TargetPlatform=s390-ibm-linux #hack
365        BuildPlatform=s390-ibm-linux #hack
366         HostPlatform_CPP='s390_ibm_linux'
367         HostArch_CPP='s390'
368         HostVendor_CPP='ibm'
369         HostOS_CPP='linux'
370         ;;
371 sparc-sun-sunos4*)
372         HostPlatform=sparc-sun-sunos4
373         TargetPlatform=sparc-sun-sunos4 #hack
374         BuildPlatform=sparc-sun-sunos4 #hack
375         HostPlatform_CPP='sparc_sun_sunos4'
376         HostArch_CPP='sparc'
377         HostVendor_CPP='sun'
378         HostOS_CPP='sunos4'
379         ;;
380 sparc-sun-solaris2*)
381         HostPlatform=sparc-sun-solaris2
382         TargetPlatform=sparc-sun-solaris2 #hack
383         BuildPlatform=sparc-sun-solaris2 #hack
384         HostPlatform_CPP='sparc_sun_solaris2'
385         HostArch_CPP='sparc'
386         HostVendor_CPP='sun'
387         HostOS_CPP='solaris2'
388         ;;
389 sparc*-linux*)
390         HostPlatform=sparc-unknown-linux
391         TargetPlatform=sparc-unknown-linux
392         BuildPlatform=sparc-unknown-linux
393         HostPlatform_CPP='sparc_unknown_linux'
394         HostArch_CPP='sparc'
395         HostVendor_CPP='unknown'
396         HostOS_CPP='linux'
397         ;;
398 sparc-*-openbsd*)
399         HostPlatform=sparc-unknown-openbsd
400         TargetPlatform=sparc-unknown-openbsd
401         BuildPlatform=sparc-unknown-openbsd
402         HostPlatform_CPP='sparc_unknown_openbsd'
403         HostArch_CPP='sparc'
404         HostVendor_CPP='unknown'
405         HostOS_CPP='openbsd'
406         ;;
407 *)
408         echo "Unrecognised platform: $HostPlatform"
409         exit 1
410         ;;
411 esac
412 echo "Canonicalised to: $HostPlatform"
413 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
414 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
415
416 BuildPlatform_CPP=$HostPlatform_CPP
417 TargetPlatform_CPP=$HostPlatform_CPP
418 BuildArch_CPP=$HostArch_CPP
419 TargetArch_CPP=$HostArch_CPP
420 BuildOS_CPP=$HostOS_CPP
421 HostOS_Full=$host_os
422 TargetOS_CPP=$HostOS_CPP
423 BuildVendor_CPP=$HostVendor_CPP
424 TargetVendor_CPP=$HostVendor_CPP
425
426 AC_SUBST(BuildPlatform)
427 AC_SUBST(HostPlatform)
428 AC_SUBST(TargetPlatform)
429 AC_SUBST(HostPlatform_CPP)
430 AC_SUBST(BuildPlatform_CPP)
431 AC_SUBST(TargetPlatform_CPP)
432
433 AC_SUBST(HostArch_CPP)
434 AC_SUBST(BuildArch_CPP)
435 AC_SUBST(TargetArch_CPP)
436
437 AC_SUBST(HostOS_CPP)
438 AC_SUBST(HostOS_Full)
439 AC_SUBST(BuildOS_CPP)
440 AC_SUBST(TargetOS_CPP)
441
442 AC_SUBST(HostVendor_CPP)
443 AC_SUBST(BuildVendor_CPP)
444 AC_SUBST(TargetVendor_CPP)
445
446 AC_SUBST(exeext)
447
448 dnl --------------------------------------------------------------
449 dnl * Calculate absolute path to build tree
450 dnl --------------------------------------------------------------
451
452 AC_MSG_CHECKING(for path to top of build tree)
453
454 hardtop=`pwd`
455
456 dnl Remove common automounter nonsense
457 dnl
458 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
459
460 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).
461 dnl
462 case $HostPlatform in
463   i386-unknown-mingw32 | i386-unknown-cygwin32)
464         if test ${OSTYPE} != "msys" 
465           then
466             # convert $hardtop to a path that mingw will understand too
467             cyghardtop=${hardtop}
468             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
469             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
470           else
471             hardtop_plat=${hardtop}
472         fi
473         ;;
474   *)
475         hardtop_plat=${hardtop}
476         ;;
477 esac
478 AC_SUBST(hardtop)
479 AC_SUBST(hardtop_plat)
480
481 AC_MSG_RESULT(${hardtop})
482
483 dnl --------------------------------------------------------------
484 dnl * Project specific configuration options
485 dnl --------------------------------------------------------------
486 dnl What follows is a bunch of options that can either be configured
487 dnl through command line options to the configure script or by
488 dnl supplying defns in the build tree's mk/build.mk. Having the option to
489 dnl use either is considered a Feature.
490
491 dnl ** What command to use to compile compiler sources ?
492 dnl --------------------------------------------------------------
493
494 AC_ARG_WITH(ghc,
495 [AC_HELP_STRING([--with-ghc=ARG],
496         [Use ARG as the path to GHC  [default=autodetect]])],
497 [ WithGhc="$withval" ],
498
499   if test "$GHC" = ""; then
500     AC_PATH_PROG(GHC,ghc)
501   fi
502   WithGhc=$GHC
503 ])
504 AC_SUBST(WithGhc)
505
506 AC_ARG_WITH(hc,
507 [AC_HELP_STRING([--with-hc=ARG],
508         [Use ARG as the path to the compiler for compiling ordinary
509          Haskell code  (default= value of --with-ghc)])],
510 [WithHc="$withval"],
511 [WithHc=$WithGhc]
512 )
513 AC_SUBST(WithHc)
514
515 if test "$WithGhc" != ""; then
516   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
517   AC_SUBST(GhcVersion)dnl
518   AC_SUBST(GhcMajVersion)dnl
519   AC_SUBST(GhcMinVersion)dnl
520   AC_SUBST(GhcPatchLevel)dnl
521 fi
522
523 AC_PATH_PROGS(NHC,nhc nhc98)
524 AC_PATH_PROG(HBC,hbc)
525
526 dnl ** Which gcc to use?
527 dnl --------------------------------------------------------------
528 AC_ARG_WITH(gcc,
529 [AC_HELP_STRING([--with-gcc=ARG],
530         [Use ARG as the path to GCC  [default=autodetect]])],
531 [WhatGccIsCalled="$withval"
532  if test "x$HostPlatform" = "xi386-unknown-mingw32"
533     then
534        if test ${OSTYPE} != "msys"
535          then
536          # Canonicalise to <drive>:/path/to/gcc
537          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
538        fi
539  fi;
540  CC="$withval"],
541 [WhatGccIsCalled="gcc"]
542 )
543 AC_SUBST(WhatGccIsCalled)
544
545 dnl ** Booting from .hc files?
546 dnl --------------------------------------------------------------
547 AC_ARG_ENABLE(hc-boot,
548 [AC_HELP_STRING([--enable-hc-boot],
549 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
550  (This option is mostly of interest to porters.) [default=no]])],
551 [ if test x"$enableval" = x"yes"; then
552         BootingFromHc=YES
553   else
554         BootingFromHc=NO
555   fi
556 ],
557 [BootingFromHc=NO]
558 )
559 AC_SUBST(BootingFromHc)
560
561 dnl ** Booting from unregisterised .hc files?
562 dnl --------------------------------------------------------------
563 AC_ARG_ENABLE(hc-boot-unregisterised,
564 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
565 [ With --enable-hc-boot, treat the intermediate .hc files as
566  unregisterised rather than registerised code.
567  (This option is mostly of interest to porters.) [default=no]])],
568 [ if test x"$enableval" = x"yes"; then
569         BootingFromUnregisterisedHc=YES
570   else
571         BootingFromUnregisterisedHc=NO
572   fi
573 ],
574 [BootingFromUnregisterisedHc=NO]
575 )
576 AC_SUBST(BootingFromUnregisterisedHc)
577
578 if test "$BootingFromHc" = "NO"; then
579 if test "$BootingFromUnregisterisedHc" = "YES"; then
580 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
581 fi;
582 fi;
583
584 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
585 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
586 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
587 fi;
588
589 dnl ** --enable-threaded-rts (not used any more)
590 dnl --------------------------------------------------------------
591 AC_ARG_ENABLE(threaded-rts,
592 [AC_HELP_STRING([--enable-threaded-rts],
593 [DEPRECATED (backwards compatibility only). [default=no]])],
594 [ if test x"$enableval" = x"yes"; then
595         ThreadedRts=YES
596   else
597         ThreadedRts=NO
598   fi
599 ],
600 [ThreadedRts=NO]
601 )
602 AC_SUBST(ThreadedRts)
603
604 dnl ** Enable the construction of Win32 DLLs?
605 dnl --------------------------------------------------------------
606 dnl
607 dnl [ The ability to build the RTS and libraries as separate DLLs used
608 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
609 dnl   and build system would be required to bring it back again.)
610 dnl   Hence, exposing it as an option is false advertisement, so better
611 dnl   disable it to avoid confusion (but leave it commented-out rather
612 dnl   than removed in order to remind ourselves to bring back the 
613 dnl   feature at some stage.) ]
614 dnl
615 dnl AC_ARG_ENABLE(win32-dlls,
616 dnl [  --enable-win32-dlls
617 dnl         If on a Win32 platform running mingw32/cygwin, enable the
618 dnl     construction of DLLs containing ghc-compiled code.
619 dnl ],
620 dnl [
621 dnl case $HostOS_CPP in
622 dnl cygwin32) ;;
623 dnl mingw32)  ;;
624 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
625 dnl       exit 1
626 dnl       ;;
627 dnl esac
628 dnl EnableWin32DLLs=YES
629 dnl ],
630 dnl [EnableWin32DLLs=NO]
631 dnl )
632 dnl AC_SUBST(EnableWin32DLLs)
633 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
634 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
635 dnl fi
636
637 dnl ** Enable the building of the ObjectIO?
638 dnl --------------------------------------------------------------
639 AC_ARG_ENABLE(objectio,
640 [AC_HELP_STRING([--enable-objectio],
641 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
642 [ if test x"$enableval" = x"yes"; then
643         GhcLibsWithObjectIO=YES
644   else
645         GhcLibsWithObjectIO=NO
646   fi
647 ],
648 [GhcLibsWithObjectIO=NO]
649 )
650 AC_SUBST(GhcLibsWithObjectIO)
651
652 dnl ** Enable the building of the OpenAL binding?
653 dnl --------------------------------------------------------------
654 AC_ARG_ENABLE([openal],
655   AC_HELP_STRING([--enable-openal],
656                  [Build OpenAL binding [[default=autodetect]]]),
657   [ if test x"$enableval" = x"yes"; then
658         GhcLibsWithOpenAL=YES
659     else
660         GhcLibsWithOpenAL=NO
661     fi
662   ],
663   [GhcLibsWithOpenAL=yes])
664
665 AC_SUBST([GhcLibsWithOpenAL])
666
667 dnl ** .NET interop support?
668 dnl --------------------------------------------------------------
669 AC_ARG_ENABLE(dotnet,
670 [AC_HELP_STRING([--enable-dotnet],
671 [Build .NET interop layer. [default=no]])],
672 [ if test x"$enableval" = x"yes"; then
673         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
674   else 
675         DotnetSupport=NO
676   fi],
677 [DotnetSupport=NO]
678 )
679 AC_SUBST(DotnetSupport)
680
681 dnl --------------------------------------------------------------
682 dnl End of configure script option section
683 dnl --------------------------------------------------------------
684
685
686 dnl --------------------------------------------------------------
687 dnl * General configuration checks
688 dnl --------------------------------------------------------------
689
690 dnl ** Can the unix package be built?
691 dnl --------------------------------------------------------------
692
693 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
694    GhcLibsWithUnix=NO
695 else
696    GhcLibsWithUnix=YES
697 fi
698 AC_SUBST([GhcLibsWithUnix])
699
700 dnl ** does #! work?
701 AC_SYS_INTERPRETER()
702
703 dnl ** look for `perl', but only in /bin on Windows
704 case $HostOS_CPP in
705 cygwin32|mingw32)
706       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
707       if test -z "$PerlCmd"; then
708          echo "You must install the version of Perl shipped with GHC"
709          echo "(or a compatible one) in /bin."
710          exit 1
711       fi
712    ;;
713 *)
714    AC_PATH_PROG(PerlCmd,perl)
715    if test -z "$PerlCmd"; then
716       echo "You must install perl before you can continue"
717       echo "Perhaps it is already installed, but not in your PATH?"
718       exit 1
719    else
720    FPTOOLS_CHECK_PERL_VERSION
721    fi
722    ;;
723 esac
724
725 dnl ** does #! path/to/perl work? (sometimes it's too long...)
726 FPTOOLS_SHEBANG_PERL
727
728 dnl ** check for Python
729 AC_PATH_PROG(PythonCmd,python)
730
731 dnl ** look for GCC and find out which version
732 dnl     Figure out which C compiler to use.  Gcc is preferred.
733 dnl     If gcc, make sure it's at least 2.1
734 dnl
735 AC_PROG_CC
736 FPTOOLS_HAVE_GCC
737 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
738
739 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
740 AC_PROG_CPP
741
742 dnl ** Without optimization some INLINE trickery fails for GHCi
743 SRC_CC_OPTS="-O"
744
745 dnl ** Try to add -mno-cygwin to the C compiler options
746 FP_CHECK_FLAG([-mno-cygwin], [
747 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
748 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
749 AC_SUBST(SRC_CC_OPTS)
750
751 dnl ** figure out how to do context diffs
752 FP_PROG_CONTEXT_DIFF
753
754 dnl ** Find find command (for Win32's benefit)
755 FP_PROG_FIND
756
757 dnl ** figure out how to do a BSD-ish install
758 AC_PROG_INSTALL
759
760 dnl If you can run configure, you certainly have /bin/sh
761 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
762
763 dnl ** how to invoke `ar' and `ranlib'
764 FP_PROG_AR_NEEDS_RANLIB
765 FP_PROG_AR_SUPPORTS_INPUT
766
767 dnl ** Check to see whether ln -s works
768 AC_PROG_LN_S
769
770
771 dnl ** Find the path to sed
772 AC_PATH_PROG(SedCmd,sed)
773
774
775 dnl ** check for time command
776 AC_PATH_PROG(TimeCmd,time)
777
778 dnl ** check for tar
779 dnl   if GNU tar is named gtar, look for it first.
780 AC_PATH_PROGS(TarCmd,gtar tar,tar)
781
782 dnl ** check for jade/openjade & determine a working catalog
783 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
784 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
785                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
786 if test -z "$Catalog"; then
787   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
788 fi
789 case $Catalog in
790    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
791         Catalog=
792         ;;
793    glafp*) 
794         case $HostOS_CPP in
795            mingw32)
796                   if test ${OSTYPE} == "msys"
797                     then
798                       Catalog=$hardtop/$Catalog
799                     else
800                       Catalog=`cygpath -w $hardtop/$Catalog`
801                   fi
802               ;;
803            *) Catalog=$hardtop/$Catalog
804               ;;
805         esac
806    ;;
807 esac   
808 AC_SUBST(Catalog)
809
810
811 dnl ** check for ghc-pkg command
812 changequote(, )dnl
813 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
814 changequote([, ])dnl
815 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
816    GhcPkgCmd=$ghc_pkg_guess
817    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
818 else
819    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
820 fi
821
822 AC_ARG_WITH(greencard,
823 [AC_HELP_STRING([--with-greencard=ARG],
824         [Use ARG as the path to greencard  [default=autodetct]])],
825 [
826 GreenCardCmd=$withval;
827 FPTOOLS_GREENCARD(3.00)
828 ]
829 )
830
831 AC_ARG_ENABLE(src-tree-happy,
832 [AC_HELP_STRING([--enable-src-tree-happy],
833         [Build and use source tree (fptools/happy) version of Happy. 
834          [default=autodetect]])],
835 [ if test x"$enableval" = x"yes"; then
836         UseSrcTreeHappy=YES
837   else
838         UseSrcTreeHappy=NO
839   fi
840 ],
841 [UseSrcTreeHappy=NO]
842 )
843 dnl ** check for installed happy binary + version
844 dnl    (don't do it if we're booting from .hc files though.)
845 if test "$BootingFromHc" = "NO"; then
846 FPTOOLS_HAPPY
847 fi;
848
849 AC_ARG_ENABLE(src-tree-haddock,
850 [AC_HELP_STRING([--enable-src-tree-haddock],
851         [Build and use source tree (fptools/haddock) version of Haddock.
852          [default=autodetect]])],
853 [ if test x"$enableval" = x"yes"; then
854         UseSrcTreeHaddock=YES
855   else
856         UseSrcTreeHaddock=NO
857   fi
858 ],
859 [UseSrcTreeHaddock=NO]
860 )
861 dnl ** check for installed haddock
862 FPTOOLS_HADDOCK
863
864 AC_ARG_ENABLE(src-tree-alex,
865 [AC_HELP_STRING([--enable-src-tree-alex],
866         [Build and use source tree (fptools/alex) version of Alex.
867          [default=autodetect]])],
868 [ if test x"$enableval" = x"yes"; then
869         UseSrcTreeAlex=YES
870   else
871         UseSrcTreeAlex=NO
872   fi
873 ],
874 [UseSrcTreeAlex=NO]
875 )
876 dnl ** check for installed alex binary + version
877 dnl    (don't do it if we're booting from .hc files though.)
878 if test "$BootingFromHc" = "NO"; then
879 FPTOOLS_ALEX
880 fi;
881
882 dnl --------------------------------------------------
883 dnl ### program checking section ends here ###
884 dnl --------------------------------------------------
885
886 dnl --------------------------------------------------
887 dnl * Platform header file and syscall feature tests
888 dnl ### checking the state of the local header files and syscalls ###
889
890 dnl ** check for full ANSI header (.h) files
891 AC_HEADER_STDC
892
893 dnl ** Enable large file support.  NB. do this before testing the type of
894 dnl    off_t, because it will affect the result of that test.
895 AC_SYS_LARGEFILE
896
897 dnl ** check for specific header (.h) files that we are interested in
898 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)
899 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
900
901 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
902 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
903
904 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
905   GhcLibsWithReadline=YES
906   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
907 else
908   GhcLibsWithReadline=NO
909   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
910 fi
911 AC_SUBST(GhcLibsWithReadline)
912
913 dnl ** check for DOS include files
914 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
915
916 dnl ** check for Windows include files
917 AC_CHECK_HEADERS(windows.h)
918
919 dnl ** check for OpenGL/GLUT include paths and libraries
920 FP_CHECK_GLUT
921
922 if test x"$no_GLU" = xyes; then
923   GhcLibsWithOpenGL=NO
924 else
925   GhcLibsWithOpenGL=YES
926 fi
927 AC_SUBST([GhcLibsWithOpenGL])
928
929 if test x"$no_GLUT" = xyes; then
930   GhcLibsWithGLUT=NO
931 else
932   GhcLibsWithGLUT=YES
933 fi
934 AC_SUBST([GhcLibsWithGLUT])
935
936 dnl ** check for OpenGL include files
937 fp_save_cppflags="$CPPFLAGS"
938 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
939 if test x"$use_quartz_opengl" = xyes; then
940   AC_CHECK_HEADERS([OpenGL/gl.h])
941 else
942   AC_CHECK_HEADERS([GL/gl.h])
943 fi
944 CPPFLAGS="$fp_save_cppflags"
945
946 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
947 AC_HEADER_TIME
948
949 dnl dynamic loading include files
950 AC_CHECK_HEADERS(dlfcn.h dl.h) 
951
952 dnl ** check for farcalloc (in bcc)
953 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
954
955 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
956 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
957
958 dnl ** check for POSIX regex
959 HavePosixRegex=NO
960 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
961 AC_SUBST(HavePosixRegex)
962
963 dnl ** how do we get a timezone name, and UTC offset ?
964 AC_STRUCT_TIMEZONE
965
966 dnl ** do we have altzone?
967 FP_DECL_ALTZONE
968
969 dnl ** does struct stat contain st_blksize?
970 AC_STRUCT_ST_BLKSIZE
971
972 dnl ** do we have long longs?
973 AC_CHECK_TYPES([long long])
974
975 dnl ** check what fields struct msghdr contains
976 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
977 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
978 # include <sys/types.h>
979 #endif
980 #if HAVE_SYS_SOCKET_H
981 # include <sys/socket.h>
982 #endif
983 #if HAVE_SYS_UIO_H
984 # include <sys/uio.h>
985 #endif])
986
987 dnl ** what are the sizes of various types
988 AC_CHECK_SIZEOF(char,               1)
989 AC_CHECK_SIZEOF(double,             8)
990 AC_CHECK_SIZEOF(float,              4)
991 AC_CHECK_SIZEOF(int,                4)
992 AC_CHECK_SIZEOF(long,               4)
993 if test "$ac_cv_type_long_long" = yes; then
994 AC_CHECK_SIZEOF(long long,          8)
995 fi
996 AC_CHECK_SIZEOF(short,              2)
997 AC_CHECK_SIZEOF(unsigned char,      1)
998 AC_CHECK_SIZEOF(unsigned int,       4)
999 AC_CHECK_SIZEOF(unsigned long,      4)
1000 if test "$ac_cv_type_long_long" = yes; then
1001 AC_CHECK_SIZEOF(unsigned long long, 8)
1002 fi
1003 AC_CHECK_SIZEOF(unsigned short,     2)
1004 AC_CHECK_SIZEOF(void *,             4)
1005
1006 dnl ** what are alignment constraints on various types
1007 FP_CHECK_ALIGNMENT(char)
1008 FP_CHECK_ALIGNMENT(double)
1009 FP_CHECK_ALIGNMENT(float)
1010 FP_CHECK_ALIGNMENT(int)
1011 FP_CHECK_ALIGNMENT(long)
1012 if test "$ac_cv_type_long_long" = yes; then
1013 FP_CHECK_ALIGNMENT(long long)
1014 fi
1015 FP_CHECK_ALIGNMENT(short)
1016 FP_CHECK_ALIGNMENT(unsigned char)
1017 FP_CHECK_ALIGNMENT(unsigned int)
1018 FP_CHECK_ALIGNMENT(unsigned long)
1019 if test "$ac_cv_type_long_long" = yes; then
1020 FP_CHECK_ALIGNMENT(unsigned long long)
1021 fi
1022 FP_CHECK_ALIGNMENT(unsigned short)
1023 FP_CHECK_ALIGNMENT(void *)
1024
1025 dnl ** map standard C types and ISO types to Haskell types
1026 FPTOOLS_CHECK_HTYPE(char)
1027 FPTOOLS_CHECK_HTYPE(signed char)
1028 FPTOOLS_CHECK_HTYPE(unsigned char)
1029 FPTOOLS_CHECK_HTYPE(short)
1030 FPTOOLS_CHECK_HTYPE(unsigned short)
1031 FPTOOLS_CHECK_HTYPE(int)
1032 FPTOOLS_CHECK_HTYPE(unsigned int)
1033 FPTOOLS_CHECK_HTYPE(long)
1034 FPTOOLS_CHECK_HTYPE(unsigned long)
1035 if test "$ac_cv_type_long_long" = yes; then
1036 FPTOOLS_CHECK_HTYPE(long long)
1037 FPTOOLS_CHECK_HTYPE(unsigned long long)
1038 fi
1039 FPTOOLS_CHECK_HTYPE(float)
1040 FPTOOLS_CHECK_HTYPE(double)
1041 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1042 FPTOOLS_CHECK_HTYPE(size_t)
1043 FPTOOLS_CHECK_HTYPE(wchar_t)
1044 dnl Int32 is a HACK for non-ISO C compilers
1045 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1046 FPTOOLS_CHECK_HTYPE(clock_t)
1047 FPTOOLS_CHECK_HTYPE(time_t)
1048 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1049 FPTOOLS_CHECK_HTYPE(ino_t)
1050 FPTOOLS_CHECK_HTYPE(mode_t)
1051 FPTOOLS_CHECK_HTYPE(off_t)
1052 FPTOOLS_CHECK_HTYPE(pid_t)
1053 FPTOOLS_CHECK_HTYPE(gid_t)
1054 FPTOOLS_CHECK_HTYPE(uid_t)
1055 FPTOOLS_CHECK_HTYPE(cc_t)
1056 FPTOOLS_CHECK_HTYPE(speed_t)
1057 FPTOOLS_CHECK_HTYPE(tcflag_t)
1058 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1059 FPTOOLS_CHECK_HTYPE(nlink_t)
1060 FPTOOLS_CHECK_HTYPE(ssize_t)
1061 FPTOOLS_CHECK_HTYPE(rlim_t)
1062 FPTOOLS_CHECK_HTYPE(wint_t)
1063
1064 dnl ** Map OpenGL data types to Haskell types
1065 if test $GhcLibsWithOpenGL = YES ; then
1066 FPTOOLS_CHECK_HTYPE(GLboolean)
1067 FPTOOLS_CHECK_HTYPE(GLbyte)
1068 FPTOOLS_CHECK_HTYPE(GLubyte)
1069 FPTOOLS_CHECK_HTYPE(GLshort)
1070 FPTOOLS_CHECK_HTYPE(GLushort)
1071 FPTOOLS_CHECK_HTYPE(GLint)
1072 FPTOOLS_CHECK_HTYPE(GLuint)
1073 FPTOOLS_CHECK_HTYPE(GLsizei)
1074 FPTOOLS_CHECK_HTYPE(GLenum)
1075 FPTOOLS_CHECK_HTYPE(GLbitfield)
1076 FPTOOLS_CHECK_HTYPE(GLfloat)
1077 FPTOOLS_CHECK_HTYPE(GLclampf)
1078 FPTOOLS_CHECK_HTYPE(GLdouble)
1079 FPTOOLS_CHECK_HTYPE(GLclampd)
1080 fi
1081
1082 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
1083 #include <errno.h>])
1084
1085 dnl ** can we open files in binary mode?
1086 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1087
1088 FP_CHECK_FUNC([WinExec],
1089   [@%:@include <windows.h>], [WinExec("",0)])
1090
1091 FP_CHECK_FUNC([GetModuleFileName],
1092   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1093
1094 dnl ** check return type of signal handlers
1095 dnl Foo: assumes we can use prototypes.
1096 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1097 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1098 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1099 dnl #include <signal.h>
1100 dnl #ifdef signal
1101 dnl #undef signal
1102 dnl #endif
1103 dnl void (*signal (int, void (*)(int)))(int);
1104 dnl ],
1105 dnl [int i;], 
1106 dnl ac_cv_type_signal_handler=void_int,
1107 dnl ac_cv_type_signal_handler=int_void)])
1108 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1109 dnl AC_DEFINE(VOID_INT_SIGNALS)
1110 dnl fi
1111
1112 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1113 AC_TYPE_SIGNAL
1114 if test "$ac_cv_type_signal" = void; then
1115   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1116 fi
1117
1118 dnl ** check for more functions
1119 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1120 AC_CHECK_FUNCS(strcmp)
1121 AC_CHECK_FUNCS(realpath _fullpath)  
1122 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1123 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1124 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1125 AC_CHECK_FUNCS(snprintf  _snprintf )  
1126 AC_CHECK_FUNCS(popen     _popen )  
1127 AC_CHECK_FUNCS(pclose    _pclose )  
1128 AC_CHECK_FUNCS(setenv unsetenv)
1129
1130
1131 dnl ** check for specific library functions that we are interested in
1132 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1133
1134 dnl ** Solaris2 needs additionl flag for getpw*_r()
1135 case "$TargetPlatform" in
1136   *-solaris2*)
1137     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1138     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1139   ;;
1140 esac
1141
1142 dnl ** check whether this machine has gmp3 installed
1143 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1144   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1145     HaveLibGmp=NO; LibGmp=not-installed))
1146 AC_SUBST(HaveLibGmp)
1147 AC_SUBST(LibGmp)
1148
1149 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1150 HaveFrameworkHaskellSupport=NO
1151 if test $HostPlatform = "powerpc-apple-darwin"; then
1152  AC_MSG_CHECKING([for HaskellSupport.framework])
1153  save_libs="$LIBS"
1154  LIBS="-framework HaskellSupport"
1155  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1156  if test $HaveFrameworkHaskellSupport = YES; then
1157   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1158  fi;
1159  LIBS="$save_libs"
1160  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1161 fi;
1162 AC_SUBST(HaveFrameworkHaskellSupport)
1163
1164 dnl ** check for mingwex library
1165 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1166 AC_SUBST(HaveLibMingwEx)
1167
1168 if test $HaveLibMingwEx = YES ; then
1169   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1170 fi
1171
1172 if test "$HaveLibGmp" = "NO"; then
1173 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1174 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1175 fi;
1176 fi;
1177
1178 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1179 dnl    the order of these tests matters: bfd needs liberty
1180 AC_CHECK_LIB(iberty, xmalloc)
1181 AC_CHECK_LIB(bfd,    bfd_init)
1182
1183 dnl ** check for wide-char classifications
1184 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1185 dnl functions if it's really there.
1186 AC_CHECK_HEADERS(wctype.h,
1187   [AC_CHECK_FUNCS(iswspace)]
1188 )
1189
1190 dnl ** check for readline, for Hugs and hslibs' Readline
1191 dnl ncurses supersedes termcap and curses, but for compatibility,
1192 dnl we have to check for all...
1193 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1194   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1195     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1196       HaveLibTermcap=NO; LibTermcap=not-installed)))
1197
1198 if test $HaveLibTermcap = YES ; then
1199   LIBS="-l$LibTermcap $LIBS"
1200   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1201 fi
1202
1203 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1204   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1205   LibsReadline="readline $LibTermcap"
1206 else
1207   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1208   LibsReadline=
1209 fi
1210 AC_SUBST(LibsReadline)
1211
1212 if test "$HaveLibReadline"; then
1213   AC_CHECK_LIB(readline, rl_erase_empty_line,
1214     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1215     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1216   AC_CHECK_LIB(readline, rl_free_undo_list,
1217     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1218     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1219 else
1220   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1221   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1222 fi
1223
1224 dnl ** check for math library
1225 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1226 AC_SUBST([LIBM])
1227
1228 dnl ** check for X Window System
1229 AC_PATH_XTRA()
1230
1231 if test "$no_x" = yes; then
1232   GhcLibsWithX11=NO
1233 else
1234   GhcLibsWithX11=YES
1235 fi
1236 AC_SUBST([GhcLibsWithX11])
1237
1238 dnl ################################################################
1239 dnl Check for libraries
1240 dnl ################################################################
1241
1242 dnl ** check for libdl & RTLD_NEXT
1243
1244 dnl (Mac OS X only) ... but don't check if we already have the
1245 dnl HaskellSupport.framework
1246
1247 if test $HaveFrameworkHaskellSupport = YES; then
1248     HaveLibDL=NO
1249     HaveRtldNext=NO
1250     HaveRtldLocal=YES
1251     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1252     HaveRtldGlobal=YES
1253     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1254     HaveRtldNow=YES
1255     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1256     AC_SUBST(HaveLibDL)
1257     AC_SUBST(HaveRtldNext)
1258     AC_SUBST(HaveRtldLocal)
1259     AC_SUBST(HaveRtldGlobal)
1260     AC_SUBST(HaveRtldNow)
1261 else
1262     AC_CHECK_LIB(dl, dlopen, 
1263         [HaveLibDL=YES
1264          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1265          LIBS="$LIBS -ldl"], 
1266         [HaveLibDL=NO])
1267     AC_CHECK_FUNCS(dlopen)
1268     AC_SUBST(HaveLibDL)
1269
1270     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1271     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1272     AC_EGREP_CPP(yes,
1273     [
1274      #include <dlfcn.h>
1275      #ifdef RTLD_NEXT
1276             yes
1277      #endif
1278     ], [
1279       AC_MSG_RESULT(yes)
1280       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1281       HaveRtldNext=YES
1282     ], [
1283       AC_MSG_RESULT(no)
1284       HaveRtldNext=NO
1285       ])    
1286     AC_SUBST(HaveRtldNext)
1287
1288     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1289     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1290     AC_EGREP_CPP(yes,
1291     [
1292      #include <dlfcn.h>
1293      #ifdef RTLD_LOCAL
1294             yes
1295      #endif
1296     ], [
1297       AC_MSG_RESULT(yes)
1298       AC_DEFINE(HAVE_RTLDLOCAL)
1299       HaveRtldLocal=YES
1300     ], [
1301       AC_MSG_RESULT(no)
1302       HaveRtldLocal=NO
1303       ])    
1304     AC_SUBST(HaveRtldLocal)
1305
1306     dnl ** RTLD_GLOBAL isn't available on openbsd
1307     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1308     AC_EGREP_CPP(yes,
1309     [
1310      #include <dlfcn.h>
1311      #ifdef RTLD_GLOBAL
1312             yes
1313      #endif
1314     ], [
1315       AC_MSG_RESULT(yes)
1316       AC_DEFINE(HAVE_RTLDGLOBAL)
1317       HaveRtldGlobal=YES
1318     ], [
1319       AC_MSG_RESULT(no)
1320       HaveRtldGlobal=NO
1321       ])    
1322     AC_SUBST(HaveRtldGlobal)
1323
1324     dnl ** RTLD_NOW isn't available on openbsd
1325     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1326     AC_EGREP_CPP(yes,
1327     [
1328      #include <dlfcn.h>
1329      #ifdef RTLD_NOW
1330             yes
1331      #endif
1332     ], [
1333       AC_MSG_RESULT(yes)
1334       AC_DEFINE(HAVE_RTLDNOW)
1335       HaveRtldNow=YES
1336     ], [
1337       AC_MSG_RESULT(no)
1338       HaveRtldNow=NO
1339       ])    
1340     AC_SUBST(HaveRtldNow)
1341 fi
1342
1343 dnl ---------- usleep ----------
1344 dnl --- stolen from guile configure ---
1345 dnl --- FIXME: /usr/include/unistd.h can't be right?
1346
1347 ### On some systems usleep has no return value.  If it does have one,
1348 ### we'd like to return it; otherwise, we'll fake it.
1349 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1350   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1351                    /usr/include/unistd.h,
1352                    [cv_func_usleep_return_type=void],
1353                    [cv_func_usleep_return_type=int])])
1354 case "$cv_func_usleep_return_type" in
1355   "void" )
1356     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1357   ;;
1358 esac
1359
1360 dnl --------------------------------------------------
1361 dnl * test for in_addr_t
1362 dnl --------------------------------------------------
1363 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1364 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1365  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1366  AC_MSG_RESULT(no))
1367
1368 dnl --------------------------------------------------
1369 dnl * test for Linux sendfile(2)
1370 dnl --------------------------------------------------
1371 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1372 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1373  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1374  AC_MSG_RESULT(no))
1375
1376 dnl --------------------------------------------------
1377 dnl * test for BSD sendfile(2)
1378 dnl --------------------------------------------------
1379 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1380 AC_EGREP_HEADER(sendfile, sys/socket.h,
1381  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1382  AC_MSG_RESULT(no))
1383
1384 dnl --------------------------------------------------
1385 dnl * test for GTK+
1386 dnl --------------------------------------------------
1387
1388 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1389 if test -n "$GTK_CONFIG"; then
1390   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1391     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1392   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1393     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1394      GTK_CONFIG=])
1395 fi
1396 AC_SUBST([GTK_CONFIG])
1397
1398 dnl --------------------------------------------------
1399 dnl * Miscellaneous feature tests
1400 dnl --------------------------------------------------
1401
1402 dnl ** can we get alloca?
1403 AC_FUNC_ALLOCA
1404
1405 dnl ** Working vfork?
1406 AC_FUNC_VFORK
1407
1408 dnl ** determine whether or not const works
1409 AC_C_CONST
1410
1411 dnl ** are we big endian?
1412 AC_C_BIGENDIAN
1413
1414 dnl ** check for leading underscores in symbol names
1415 FPTOOLS_UNDERSCORE
1416
1417 dnl ** check for ld, and whether ld has -x option
1418 AC_PATH_PROG(LdCmdRaw, ld)
1419 case $HostOS_CPP in
1420  mingw32) 
1421         if test ${OSTYPE} == "msys"
1422            then
1423              LdCmd=${LdCmdRaw}
1424            else
1425              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1426         fi
1427            ;;
1428  *) LdCmd=${LdCmdRaw}
1429     ;;
1430 esac
1431 AC_SUBST(LdCmd)
1432 FPTOOLS_LD_X
1433
1434 FP_EMPTY_STRUCTS
1435
1436 AC_MSG_CHECKING([for SIGPOLL])
1437 AC_EGREP_CPP(we_have_sigpoll,
1438 [#include <signal.h>
1439 #ifdef SIGPOLL
1440 we_have_sigpoll
1441 #endif
1442 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1443 AC_MSG_RESULT([$haveSIGPOLL])
1444
1445 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1446 AC_EGREP_CPP(we_have_that_sysconf_thing,
1447 [
1448 #include <unistd.h>
1449 #ifdef _SC_GETGR_R_SIZE_MAX
1450 we_have_that_sysconf_thing
1451 #endif
1452 ],
1453 [AC_MSG_RESULT([yes])
1454 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1455 [AC_MSG_RESULT([no])])
1456
1457 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1458 AC_EGREP_CPP(we_have_that_sysconf_thing,
1459 [
1460 #include <unistd.h>
1461 #ifdef _SC_GETPW_R_SIZE_MAX
1462 we_have_that_sysconf_thing
1463 #endif
1464 ],
1465 [AC_MSG_RESULT([yes])
1466 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1467 [AC_MSG_RESULT([no])])
1468
1469 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )