[project @ 2004-09-15 13:50:59 by stolz]
[ghc.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 alpha*-unknown-openbsd*)
109         HostPlatform=alpha-unknown-openbsd
110         TargetPlatform=alpha-unknown-openbsd
111         BuildPlatform=alpha-unknown-openbsd
112         HostPlatform_CPP='alpha_unknown_openbsd'
113         HostArch_CPP='alpha'
114         HostVendor_CPP='unknown'
115         HostOS_CPP='openbsd'
116         ;;
117 amd64-*-openbsd*|x86_64-*-openbsd*)
118         HostPlatform=x86_64-unknown-openbsd
119         TargetPlatform=x86_64-unknown-openbsd
120         BuildPlatform=x86_64-unknown-openbsd
121         HostPlatform_CPP='x86_64_unknown_openbsd'
122         HostArch_CPP='x86_64'
123         HostVendor_CPP='unknown'
124         HostOS_CPP='openbsd'
125         ;;
126 arm*-linux*)
127         HostPlatform=arm-unknown-linux # hack again
128         TargetPlatform=arm-unknown-linux
129         BuildPlatform=arm-unknown-linux
130         HostPlatform_CPP='arm_unknown_linux'                 
131         HostArch_CPP='arm'
132         HostVendor_CPP='unknown'
133         HostOS_CPP='linux'
134         ;;
135 arm*-openbsd*)
136         HostPlatform=arm-unknown-openbsd
137         TargetPlatform=arm-unknown-openbsd
138         BuildPlatform=arm-unknown-openbsd
139         HostPlatform_CPP='arm_unknown_openbsd'                 
140         HostArch_CPP='arm'
141         HostVendor_CPP='unknown'
142         HostOS_CPP='openbsd'
143         ;;
144 hppa*-*-linux*)
145         HostPlatform=hppa-unknown-linux # hack again
146         TargetPlatform=hppa-unknown-linux
147         BuildPlatform=hppa-unknown-linux
148         HostPlatform_CPP='hppa_unknown_linux'                
149         HostArch_CPP='hppa'
150         HostVendor_CPP='unknown'                             
151         HostOS_CPP='linux'
152         ;;
153 hppa*-*-openbsd*)
154         HostPlatform=hppa-unknown-openbsd # hack again
155         TargetPlatform=hppa-unknown-openbsd
156         BuildPlatform=hppa-unknown-openbsd
157         HostPlatform_CPP='hppa_unknown_openbsd'                
158         HostArch_CPP='hppa'
159         HostVendor_CPP='unknown'                             
160         HostOS_CPP='openbsd'
161         ;;
162 hppa1.1-hp-hpux*)
163         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
164         TargetPlatform=hppa1.1-hp-hpux
165         BuildPlatform=hppa1.1-hp-hpux
166         HostPlatform_CPP='hppa1_1_hp_hpux'
167         HostArch_CPP='hppa1_1'
168         HostVendor_CPP='hp'
169         HostOS_CPP='hpux'
170         ;;
171 i[[3456]]86-*-linuxaout*)
172         HostPlatform=i386-unknown-linuxaout   # hack again
173         TargetPlatform=i386-unknown-linuxaout
174         BuildPlatform=i386-unknown-linuxaout
175         HostPlatform_CPP='i386_unknown_linuxaout'
176         HostArch_CPP='i386'
177         HostVendor_CPP='unknown'
178         HostOS_CPP='linuxaout'
179         ;;
180 i[[3456]]86-*-linux*)
181         HostPlatform=i386-unknown-linux # hack again
182         TargetPlatform=i386-unknown-linux
183         BuildPlatform=i386-unknown-linux
184         HostPlatform_CPP='i386_unknown_linux'
185         HostArch_CPP='i386'
186         HostVendor_CPP='unknown'
187         HostOS_CPP='linux'
188         ;;
189 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
190         HostPlatform=i386-unknown-freebsd # hack again
191         TargetPlatform=i386-unknown-freebsd
192         BuildPlatform=i386-unknown-freebsd
193         HostPlatform_CPP='i386_unknown_freebsd'
194         HostArch_CPP='i386'
195         HostVendor_CPP='unknown'
196         HostOS_CPP='freebsd'
197         ;;
198 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
199         HostPlatform=i386-unknown-freebsd2 # hack again
200         TargetPlatform=i386-unknown-freebsd2
201         BuildPlatform=i386-unknown-freebsd2
202         HostPlatform_CPP='i386_unknown_freebsd2'
203         HostArch_CPP='i386'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='freebsd2'
206         ;;
207 i[[3456]]86-*-netbsd*)
208         HostPlatform=i386-unknown-netbsd # hack again
209         TargetPlatform=i386-unknown-netbsd
210         BuildPlatform=i386-unknown-netbsd
211         HostPlatform_CPP='i386_unknown_netbsd'
212         HostArch_CPP='i386'
213         HostVendor_CPP='unknown'
214         HostOS_CPP='netbsd'
215         ;;
216 i[[3456]]86-*-openbsd*)
217         HostPlatform=i386-unknown-openbsd # hack again
218         TargetPlatform=i386-unknown-openbsd
219         BuildPlatform=i386-unknown-openbsd
220         HostPlatform_CPP='i386_unknown_openbsd'
221         HostArch_CPP='i386'
222         HostVendor_CPP='unknown'
223         HostOS_CPP='openbsd'
224         ;;
225 i[[3456]]86-*-solaris2*)
226         HostPlatform=i386-unknown-solaris2 # hack again
227         TargetPlatform=i386-unknown-solaris2
228         BuildPlatform=i386-unknown-solaris2
229         HostPlatform_CPP='i386_unknown_solaris2'
230         HostArch_CPP='i386'
231         HostVendor_CPP='unknown'
232         HostOS_CPP='solaris2'
233         ;;
234 i[[3456]]86-*-cygwin*)
235         HostPlatform=i386-unknown-cygwin32 # hack again
236         TargetPlatform=i386-unknown-cygwin32
237         BuildPlatform=i386-unknown-cygwin32
238         HostPlatform_CPP='i386_unknown_cygwin32'
239         HostArch_CPP='i386'
240         HostVendor_CPP='unknown'
241         HostOS_CPP='cygwin32'
242         exeext='.exe'
243         ;;
244 i[[3456]]86-*-mingw32*)
245         HostPlatform=i386-unknown-mingw32 # hack again
246         TargetPlatform=i386-unknown-mingw32
247         BuildPlatform=i386-unknown-mingw32
248         HostPlatform_CPP='i386_unknown_mingw32'
249         HostArch_CPP='i386'
250         HostVendor_CPP='unknown'
251         HostOS_CPP='mingw32'
252         exeext='.exe'
253         ;;
254 ia64-*-linux*)
255         HostPlatform=ia64-unknown-linux # hack again
256         TargetPlatform=ia64-unknown-linux
257         BuildPlatform=ia64-unknown-linux
258         HostPlatform_CPP='ia64_unknown_linux'
259         HostArch_CPP='ia64'
260         HostVendor_CPP='unknown'
261         HostOS_CPP='linux'
262         ;;
263 x86_64-*-linux*)
264         HostPlatform=x86_64-unknown-linux
265         TargetPlatform=x86_64-unknown-linux
266         BuildPlatform=x86_64-unknown-linux
267         HostPlatform_CPP='x86_64_unknown_linux'
268         HostArch_CPP='x86_64'
269         HostVendor_CPP='unknown'
270         HostOS_CPP='linux'
271         ;;
272 m68k-*-linux*)
273         HostPlatform=m68k-unknown-linux # hack again
274         TargetPlatform=m68k-unknown-linux                    
275         BuildPlatform=m68k-unknown-linux
276         HostPlatform_CPP='m68k_unknown_linux'
277         HostArch_CPP='m68k'
278         HostVendor_CPP='unknown'
279         HostOS_CPP='linux'
280         ;;
281 m68k-next-nextstep2)
282         HostPlatform_CPP='m68k_next_nextstep2'
283         HostArch_CPP='m68k'
284         HostVendor_CPP='next'
285         HostOS_CPP='nextstep2'
286         ;;
287 m68k-next-nextstep3)
288         HostPlatform_CPP='m68k_next_nextstep3'
289         HostArch_CPP='m68k'
290         HostVendor_CPP='next'
291         HostOS_CPP='nextstep3'
292         ;;
293 i[[3456]]86-next-nextstep3)
294         HostPlatform=i386-next-nextstep3 # hack again
295         TargetPlatform=i386-next-nextstep3
296         BuildPlatform=i386-next-nextstep3
297         HostPlatform_CPP='i386_next_nextstep3'
298         HostArch_CPP='i386'
299         HostVendor_CPP='next'
300         HostOS_CPP='nextstep3'
301         ;;
302 m68k-*-openbsd*)
303         HostPlatform=m68k-unknown-openbsd
304         TargetPlatform=m68k-unknown-openbsd
305         BuildPlatform=m68k-unknown-openbsd
306         HostPlatform_CPP='m68k_unknown_openbsd'
307         HostArch_CPP='m68k'
308         HostVendor_CPP='unknown'
309         HostOS_CPP='openbsd'
310         ;;
311 m68k-*-netbsd*)
312         HostPlatform=m68k-unknown-netbsd
313         TargetPlatform=m68k-unknown-netbsd
314         BuildPlatform=m68k-unknown-netbsd
315         HostPlatform_CPP='m68k_unknown_netbsd'
316         HostArch_CPP='m68k'
317         HostVendor_CPP='unknown'
318         HostOS_CPP='netbsd'
319         ;;
320 m68k-sun-sunos4*)
321         HostPlatform=m68k-sun-sunos4
322         TargetPlatform=m68k-sun-sunos4 #hack
323         BuildPlatform=m68k-sun-sunos4 #hack
324         HostPlatform_CPP='m68k_sun_sunos4'
325         HostArch_CPP='m68k'
326         HostVendor_CPP='sun'
327         HostOS_CPP='sunos4'
328         ;;
329 m88k-*-openbsd*)
330         HostPlatform=m88k-unknown-openbsd
331         TargetPlatform=m88k-unknown-openbsd
332         BuildPlatform=m88k-unknown-openbsd
333         HostPlatform_CPP='m88k_unknown_openbsd'
334         HostArch_CPP='m88k'
335         HostVendor_CPP='unknown'
336         HostOS_CPP='openbsd'
337         ;;
338 mips-*-linux*)
339         HostPlatform=mips-unknown-linux # hack again
340         TargetPlatform=mips-unknown-linux
341         BuildPlatform=mips-unknown-linux
342         HostPlatform_CPP='mips_unknown_linux'
343         HostArch_CPP='mips'
344         HostVendor_CPP='unknown'
345         HostOS_CPP='linux'
346         ;;
347 mips-dec-ultrix*)
348         HostPlatform_CPP='mips_dec_ultrix'
349         HostArch_CPP='mipsel'   # NB a little different
350         HostVendor_CPP='dec'
351         HostOS_CPP='ultrix'
352         ;;
353 mips-sgi-irix*)
354         HostPlatform=mips-sgi-irix
355         TargetPlatform=mips-sgi-irix #hack
356         BuildPlatform=mips-sgi-irix #hack
357         HostPlatform_CPP='mips_sgi_irix'
358         HostArch_CPP='mipseb'   # NB a little different
359         HostVendor_CPP='sgi'
360         HostOS_CPP='irix'
361         ;;
362 rs6000-ibm-aix*)
363         HostPlatform=rs6000-ibm-aix
364         TargetPlatform=rs6000-ibm-aix #hack
365         BuildPlatform=rs6000-ibm-aix #hack
366         HostPlatform_CPP='rs6000_ibm_aix'
367         HostArch_CPP='rs6000'
368         HostVendor_CPP='ibm'
369         HostOS_CPP='aix'
370         ;;
371 powerpc-ibm-aix*)
372         HostPlatform=powerpc-ibm-aix
373         TargetPlatform=powerpc-ibm-aix #hack
374         BuildPlatform=powerpc-ibm-aix #hack
375         HostPlatform_CPP='powerpc_ibm_aix'
376         HostArch_CPP='powerpc'
377         HostVendor_CPP='ibm'
378         HostOS_CPP='aix'
379         ;;
380 powerpc-apple-darwin*)
381         HostPlatform=powerpc-apple-darwin
382         TargetPlatform=powerpc-apple-darwin #hack
383         BuildPlatform=powerpc-apple-darwin #hack
384         HostPlatform_CPP='powerpc_apple_darwin'
385         HostArch_CPP='powerpc'
386         HostVendor_CPP='apple'
387         HostOS_CPP='darwin'
388         ;;
389 powerpc-unknown-linux*)
390         HostPlatform=powerpc-unknown-linux
391         TargetPlatform=powerpc-unknown-linux
392         BuildPlatform=powerpc-unknown-linux
393         HostPlatform_CPP='powerpc_unknown_linux'
394         HostArch_CPP='powerpc'
395         HostVendor_CPP='unknown'
396         HostOS_CPP='linux'
397         ;;
398 powerpc-unknown-openbsd*)
399         HostPlatform=powerpc-unknown-openbsd
400         TargetPlatform=powerpc-unknown-openbsd
401         BuildPlatform=powerpc-unknown-openbsd
402         HostPlatform_CPP='powerpc_unknown_openbsd'
403         HostArch_CPP='powerpc'
404         HostVendor_CPP='unknown'
405         HostOS_CPP='openbsd'
406         ;;
407 s390-ibm-linux*)
408        HostPlatform=s390-ibm-linux
409        TargetPlatform=s390-ibm-linux #hack
410        BuildPlatform=s390-ibm-linux #hack
411         HostPlatform_CPP='s390_ibm_linux'
412         HostArch_CPP='s390'
413         HostVendor_CPP='ibm'
414         HostOS_CPP='linux'
415         ;;
416 sparc-sun-sunos4*)
417         HostPlatform=sparc-sun-sunos4
418         TargetPlatform=sparc-sun-sunos4 #hack
419         BuildPlatform=sparc-sun-sunos4 #hack
420         HostPlatform_CPP='sparc_sun_sunos4'
421         HostArch_CPP='sparc'
422         HostVendor_CPP='sun'
423         HostOS_CPP='sunos4'
424         ;;
425 sparc-sun-solaris2*)
426         HostPlatform=sparc-sun-solaris2
427         TargetPlatform=sparc-sun-solaris2 #hack
428         BuildPlatform=sparc-sun-solaris2 #hack
429         HostPlatform_CPP='sparc_sun_solaris2'
430         HostArch_CPP='sparc'
431         HostVendor_CPP='sun'
432         HostOS_CPP='solaris2'
433         ;;
434 sparc*-linux*)
435         HostPlatform=sparc-unknown-linux
436         TargetPlatform=sparc-unknown-linux
437         BuildPlatform=sparc-unknown-linux
438         HostPlatform_CPP='sparc_unknown_linux'
439         HostArch_CPP='sparc'
440         HostVendor_CPP='unknown'
441         HostOS_CPP='linux'
442         ;;
443 sparc-*-openbsd*)
444         HostPlatform=sparc-unknown-openbsd
445         TargetPlatform=sparc-unknown-openbsd
446         BuildPlatform=sparc-unknown-openbsd
447         HostPlatform_CPP='sparc_unknown_openbsd'
448         HostArch_CPP='sparc'
449         HostVendor_CPP='unknown'
450         HostOS_CPP='openbsd'
451         ;;
452 sparc64-*-openbsd*)
453         HostPlatform=sparc64-unknown-openbsd
454         TargetPlatform=sparc64-unknown-openbsd
455         BuildPlatform=sparc64-unknown-openbsd
456         HostPlatform_CPP='sparc64_unknown_openbsd'
457         HostArch_CPP='sparc64'
458         HostVendor_CPP='unknown'
459         HostOS_CPP='openbsd'
460         ;;
461 vax-*-openbsd*)
462         HostPlatform=vax-unknown-openbsd
463         TargetPlatform=vax-unknown-openbsd
464         BuildPlatform=vax-unknown-openbsd
465         HostPlatform_CPP='vax_unknown_openbsd'
466         HostArch_CPP='vax'
467         HostVendor_CPP='unknown'
468         HostOS_CPP='openbsd'
469         ;;
470 *)
471         echo "Unrecognised platform: $HostPlatform"
472         exit 1
473         ;;
474 esac
475 echo "Canonicalised to: $HostPlatform"
476 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
477 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
478
479 BuildPlatform_CPP=$HostPlatform_CPP
480 TargetPlatform_CPP=$HostPlatform_CPP
481 BuildArch_CPP=$HostArch_CPP
482 TargetArch_CPP=$HostArch_CPP
483 BuildOS_CPP=$HostOS_CPP
484 HostOS_Full=$host_os
485 TargetOS_CPP=$HostOS_CPP
486 BuildVendor_CPP=$HostVendor_CPP
487 TargetVendor_CPP=$HostVendor_CPP
488
489 AC_SUBST(BuildPlatform)
490 AC_SUBST(HostPlatform)
491 AC_SUBST(TargetPlatform)
492 AC_SUBST(HostPlatform_CPP)
493 AC_SUBST(BuildPlatform_CPP)
494 AC_SUBST(TargetPlatform_CPP)
495
496 AC_SUBST(HostArch_CPP)
497 AC_SUBST(BuildArch_CPP)
498 AC_SUBST(TargetArch_CPP)
499
500 AC_SUBST(HostOS_CPP)
501 AC_SUBST(HostOS_Full)
502 AC_SUBST(BuildOS_CPP)
503 AC_SUBST(TargetOS_CPP)
504
505 AC_SUBST(HostVendor_CPP)
506 AC_SUBST(BuildVendor_CPP)
507 AC_SUBST(TargetVendor_CPP)
508
509 AC_SUBST(exeext)
510
511 dnl --------------------------------------------------------------
512 dnl * Calculate absolute path to build tree
513 dnl --------------------------------------------------------------
514
515 AC_MSG_CHECKING(for path to top of build tree)
516
517 hardtop=`pwd`
518
519 dnl Remove common automounter nonsense
520 dnl
521 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
522
523 dnl Find 'hardtop_plat', the native format for 'hardtop' 
524 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
525 dnl
526 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
527 dnl              but we must not do that if we aren't building using Cygwin (notably msys), 
528 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin' 
529 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
530 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
531 dnl
532 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy 
533 dnl              about setting that correctly at the moment, so we just work around for now.
534 dnl
535 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
536 dnl              is not set.
537 case $HostPlatform in
538   i386-unknown-mingw32 | i386-unknown-cygwin32)
539         if test "${OSTYPE}" != "msys" 
540           then
541             # convert $hardtop to a path that mingw will understand too
542             cyghardtop=${hardtop}
543             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
544             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
545           else
546             hardtop_plat=${hardtop}
547         fi
548         ;;
549   *)
550         hardtop_plat=${hardtop}
551         ;;
552 esac
553 AC_SUBST(hardtop)
554 AC_SUBST(hardtop_plat)
555
556 AC_MSG_RESULT(${hardtop})
557
558 dnl --------------------------------------------------------------
559 dnl * Project specific configuration options
560 dnl --------------------------------------------------------------
561 dnl What follows is a bunch of options that can either be configured
562 dnl through command line options to the configure script or by
563 dnl supplying defns in the build tree's mk/build.mk. Having the option to
564 dnl use either is considered a Feature.
565
566 dnl ** What command to use to compile compiler sources ?
567 dnl --------------------------------------------------------------
568
569 AC_ARG_WITH(ghc,
570 [AC_HELP_STRING([--with-ghc=ARG],
571         [Use ARG as the path to GHC  [default=autodetect]])],
572 [ WithGhc="$withval" ],
573
574   if test "$GHC" = ""; then
575     AC_PATH_PROG(GHC,ghc)
576   fi
577   WithGhc=$GHC
578 ])
579 AC_SUBST(WithGhc)
580
581 AC_ARG_WITH(hc,
582 [AC_HELP_STRING([--with-hc=ARG],
583         [Use ARG as the path to the compiler for compiling ordinary
584          Haskell code  (default= value of --with-ghc)])],
585 [WithHc="$withval"],
586 [WithHc=$WithGhc]
587 )
588 AC_SUBST(WithHc)
589
590 if test "$WithGhc" != ""; then
591   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
592   AC_SUBST(GhcVersion)dnl
593   AC_SUBST(GhcMajVersion)dnl
594   AC_SUBST(GhcMinVersion)dnl
595   AC_SUBST(GhcPatchLevel)dnl
596 fi
597
598 AC_PATH_PROGS(NHC,nhc nhc98)
599 AC_PATH_PROG(HBC,hbc)
600
601 dnl ** Which gcc to use?
602 dnl --------------------------------------------------------------
603 AC_ARG_WITH(gcc,
604 [AC_HELP_STRING([--with-gcc=ARG],
605         [Use ARG as the path to GCC  [default=autodetect]])],
606 [WhatGccIsCalled="$withval"
607  if test "x$HostPlatform" = "xi386-unknown-mingw32"
608     then
609        if test "${OSTYPE}" != "msys"
610          then
611          # Canonicalise to <drive>:/path/to/gcc
612          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
613        fi
614  fi;
615  CC="$withval"],
616 [WhatGccIsCalled="gcc"]
617 )
618 AC_SUBST(WhatGccIsCalled)
619
620 dnl ** Booting from .hc files?
621 dnl --------------------------------------------------------------
622 AC_ARG_ENABLE(hc-boot,
623 [AC_HELP_STRING([--enable-hc-boot],
624 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
625  (This option is mostly of interest to porters.) [default=no]])],
626 [ if test x"$enableval" = x"yes"; then
627         BootingFromHc=YES
628   else
629         BootingFromHc=NO
630   fi
631 ],
632 [BootingFromHc=NO]
633 )
634 AC_SUBST(BootingFromHc)
635
636 dnl ** Booting from unregisterised .hc files?
637 dnl --------------------------------------------------------------
638 AC_ARG_ENABLE(hc-boot-unregisterised,
639 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
640 [ With --enable-hc-boot, treat the intermediate .hc files as
641  unregisterised rather than registerised code.
642  (This option is mostly of interest to porters.) [default=no]])],
643 [ if test x"$enableval" = x"yes"; then
644         BootingFromUnregisterisedHc=YES
645   else
646         BootingFromUnregisterisedHc=NO
647   fi
648 ],
649 [BootingFromUnregisterisedHc=NO]
650 )
651 AC_SUBST(BootingFromUnregisterisedHc)
652
653 if test "$BootingFromHc" = "NO"; then
654 if test "$BootingFromUnregisterisedHc" = "YES"; then
655 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
656 fi;
657 fi;
658
659 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
660 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
661 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
662 fi;
663
664 dnl ** --enable-threaded-rts (not used any more)
665 dnl --------------------------------------------------------------
666 AC_ARG_ENABLE(threaded-rts,
667 [AC_HELP_STRING([--enable-threaded-rts],
668 [DEPRECATED (backwards compatibility only). [default=no]])],
669 [ if test x"$enableval" = x"yes"; then
670         ThreadedRts=YES
671   else
672         ThreadedRts=NO
673   fi
674 ],
675 [ThreadedRts=NO]
676 )
677 AC_SUBST(ThreadedRts)
678
679 dnl ** Enable the construction of Win32 DLLs?
680 dnl --------------------------------------------------------------
681 dnl
682 dnl [ The ability to build the RTS and libraries as separate DLLs used
683 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
684 dnl   and build system would be required to bring it back again.)
685 dnl   Hence, exposing it as an option is false advertisement, so better
686 dnl   disable it to avoid confusion (but leave it commented-out rather
687 dnl   than removed in order to remind ourselves to bring back the 
688 dnl   feature at some stage.) ]
689 dnl
690 dnl AC_ARG_ENABLE(win32-dlls,
691 dnl [  --enable-win32-dlls
692 dnl         If on a Win32 platform running mingw32/cygwin, enable the
693 dnl     construction of DLLs containing ghc-compiled code.
694 dnl ],
695 dnl [
696 dnl case $HostOS_CPP in
697 dnl cygwin32) ;;
698 dnl mingw32)  ;;
699 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
700 dnl       exit 1
701 dnl       ;;
702 dnl esac
703 dnl EnableWin32DLLs=YES
704 dnl ],
705 dnl [EnableWin32DLLs=NO]
706 dnl )
707 dnl AC_SUBST(EnableWin32DLLs)
708 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
709 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
710 dnl fi
711
712 dnl ** Enable the building of the ObjectIO?
713 dnl --------------------------------------------------------------
714 AC_ARG_ENABLE(objectio,
715 [AC_HELP_STRING([--enable-objectio],
716 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
717 [ if test x"$enableval" = x"yes"; then
718         GhcLibsWithObjectIO=YES
719   else
720         GhcLibsWithObjectIO=NO
721   fi
722 ],
723 [GhcLibsWithObjectIO=NO]
724 )
725 AC_SUBST(GhcLibsWithObjectIO)
726
727 dnl ** Enable the building of the OpenAL binding?
728 dnl --------------------------------------------------------------
729 AC_ARG_ENABLE([openal],
730   AC_HELP_STRING([--enable-openal],
731                  [Build OpenAL binding [[default=autodetect]]]),
732   [ if test x"$enableval" = x"yes"; then
733         GhcLibsWithOpenAL=YES
734     else
735         GhcLibsWithOpenAL=NO
736     fi
737   ],
738   [GhcLibsWithOpenAL=YES])
739
740 AC_SUBST([GhcLibsWithOpenAL])
741
742 dnl ** .NET interop support?
743 dnl --------------------------------------------------------------
744 AC_ARG_ENABLE(dotnet,
745 [AC_HELP_STRING([--enable-dotnet],
746 [Build .NET interop layer. [default=no]])],
747 [ if test x"$enableval" = x"yes"; then
748         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
749   else 
750         DotnetSupport=NO
751   fi],
752 [DotnetSupport=NO]
753 )
754 AC_SUBST(DotnetSupport)
755
756 dnl --------------------------------------------------------------
757 dnl End of configure script option section
758 dnl --------------------------------------------------------------
759
760
761 dnl --------------------------------------------------------------
762 dnl * General configuration checks
763 dnl --------------------------------------------------------------
764
765 dnl ** Can the unix package be built?
766 dnl --------------------------------------------------------------
767
768 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
769    GhcLibsWithUnix=NO
770 else
771    GhcLibsWithUnix=YES
772 fi
773 AC_SUBST([GhcLibsWithUnix])
774
775 dnl ** does #! work?
776 AC_SYS_INTERPRETER()
777
778 dnl ** look for `perl', but only in /bin on Windows
779 case $HostOS_CPP in
780 cygwin32|mingw32)
781       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
782       if test -z "$PerlCmd"; then
783          echo "You must install the version of Perl shipped with GHC"
784          echo "(or a compatible one) in /bin."
785          exit 1
786       fi
787    ;;
788 *)
789    AC_PATH_PROG(PerlCmd,perl)
790    if test -z "$PerlCmd"; then
791       echo "You must install perl before you can continue"
792       echo "Perhaps it is already installed, but not in your PATH?"
793       exit 1
794    else
795    FPTOOLS_CHECK_PERL_VERSION
796    fi
797    ;;
798 esac
799
800 dnl ** does #! path/to/perl work? (sometimes it's too long...)
801 FPTOOLS_SHEBANG_PERL
802
803 dnl ** check for Python
804 AC_PATH_PROG(PythonCmd,python)
805
806 dnl ** look for GCC and find out which version
807 dnl     Figure out which C compiler to use.  Gcc is preferred.
808 dnl     If gcc, make sure it's at least 2.1
809 dnl
810 AC_PROG_CC
811 FPTOOLS_HAVE_GCC
812 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
813
814 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
815 AC_PROG_CPP
816
817 dnl ** Without optimization some INLINE trickery fails for GHCi
818 SRC_CC_OPTS="-O"
819
820 dnl ** Try to add -mno-cygwin to the C compiler options
821 FP_CHECK_FLAG([-mno-cygwin], [
822 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
823 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
824 AC_SUBST(SRC_CC_OPTS)
825
826 dnl ** figure out how to do context diffs
827 FP_PROG_CONTEXT_DIFF
828
829 dnl ** Find find command (for Win32's benefit)
830 FP_PROG_FIND
831
832 dnl ** figure out how to do a BSD-ish install
833 AC_PROG_INSTALL
834
835 dnl If you can run configure, you certainly have /bin/sh
836 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
837
838 dnl ** how to invoke `ar' and `ranlib'
839 FP_PROG_AR_NEEDS_RANLIB
840 FP_PROG_AR_SUPPORTS_INPUT
841
842 dnl ** Check to see whether ln -s works
843 AC_PROG_LN_S
844
845
846 dnl ** Find the path to sed
847 AC_PATH_PROG(SedCmd,sed)
848
849
850 dnl ** check for time command
851 AC_PATH_PROG(TimeCmd,time)
852
853 dnl ** check for tar
854 dnl   if GNU tar is named gtar, look for it first.
855 AC_PATH_PROGS(TarCmd,gtar tar,tar)
856
857 dnl ** check for DocBook toolchain
858 FP_CHECK_DOCBOOK_DTD
859 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
860 FP_PROG_FO_PROCESSOR
861
862 dnl ** check for ghc-pkg command
863 FP_PROG_GHC_PKG
864
865 AC_ARG_WITH(greencard,
866 [AC_HELP_STRING([--with-greencard=ARG],
867         [Use ARG as the path to greencard  [default=autodetct]])],
868 [
869 GreenCardCmd=$withval;
870 FPTOOLS_GREENCARD(3.00)
871 ]
872 )
873
874 AC_ARG_ENABLE(src-tree-happy,
875 [AC_HELP_STRING([--enable-src-tree-happy],
876         [Build and use source tree (fptools/happy) version of Happy. 
877          [default=autodetect]])],
878 [ if test x"$enableval" = x"yes"; then
879         UseSrcTreeHappy=YES
880   else
881         UseSrcTreeHappy=NO
882   fi
883 ],
884 [UseSrcTreeHappy=NO]
885 )
886 dnl ** check for installed happy binary + version
887 dnl    (don't do it if we're booting from .hc files though.)
888 if test "$BootingFromHc" = "NO"; then
889 FPTOOLS_HAPPY
890 fi;
891
892 AC_ARG_ENABLE(src-tree-haddock,
893 [AC_HELP_STRING([--enable-src-tree-haddock],
894         [Build and use source tree (fptools/haddock) version of Haddock.
895          [default=autodetect]])],
896 [ if test x"$enableval" = x"yes"; then
897         UseSrcTreeHaddock=YES
898   else
899         UseSrcTreeHaddock=NO
900   fi
901 ],
902 [UseSrcTreeHaddock=NO]
903 )
904 dnl ** check for installed haddock
905 FPTOOLS_HADDOCK
906
907 AC_ARG_ENABLE(src-tree-alex,
908 [AC_HELP_STRING([--enable-src-tree-alex],
909         [Build and use source tree (fptools/alex) version of Alex.
910          [default=autodetect]])],
911 [ if test x"$enableval" = x"yes"; then
912         UseSrcTreeAlex=YES
913   else
914         UseSrcTreeAlex=NO
915   fi
916 ],
917 [UseSrcTreeAlex=NO]
918 )
919 dnl ** check for installed alex binary + version
920 dnl    (don't do it if we're booting from .hc files though.)
921 if test "$BootingFromHc" = "NO"; then
922 FPTOOLS_ALEX
923 fi;
924
925 dnl --------------------------------------------------
926 dnl ### program checking section ends here ###
927 dnl --------------------------------------------------
928
929 dnl --------------------------------------------------
930 dnl * Platform header file and syscall feature tests
931 dnl ### checking the state of the local header files and syscalls ###
932
933 dnl ** check for full ANSI header (.h) files
934 AC_HEADER_STDC
935
936 dnl ** Enable large file support.  NB. do this before testing the type of
937 dnl    off_t, because it will affect the result of that test.
938 AC_SYS_LARGEFILE
939
940 dnl ** check for specific header (.h) files that we are interested in
941 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
942
943 AC_CHECK_HEADER([unistd.h], [AC_CHECK_FUNCS(lchown)])
944
945 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
946 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
947
948 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
949   GhcLibsWithReadline=YES
950   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
951 else
952   GhcLibsWithReadline=NO
953   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
954 fi
955 AC_SUBST(GhcLibsWithReadline)
956
957 dnl ** check for OpenGL/GLUT include paths and libraries
958 FP_CHECK_GLUT
959
960 if test x"$no_GLU" = xyes; then
961   GhcLibsWithOpenGL=NO
962 else
963   GhcLibsWithOpenGL=YES
964 fi
965 AC_SUBST([GhcLibsWithOpenGL])
966
967 if test x"$no_GLUT" = xyes; then
968   GhcLibsWithGLUT=NO
969 else
970   GhcLibsWithGLUT=YES
971 fi
972 AC_SUBST([GhcLibsWithGLUT])
973
974 dnl ** check for OpenGL include files
975 fp_save_cppflags="$CPPFLAGS"
976 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
977 if test x"$use_quartz_opengl" = xyes; then
978   AC_CHECK_HEADERS([OpenGL/gl.h])
979 else
980   AC_CHECK_HEADERS([GL/gl.h])
981 fi
982 CPPFLAGS="$fp_save_cppflags"
983
984 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
985 AC_HEADER_TIME
986
987 dnl ** check for POSIX regex
988 HavePosixRegex=NO
989 AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
990 AC_SUBST(HavePosixRegex)
991
992 dnl ** how do we get a timezone name, and UTC offset ?
993 AC_STRUCT_TIMEZONE
994
995 dnl ** do we have altzone?
996 FP_DECL_ALTZONE
997
998 dnl ** does struct stat contain st_blksize?
999 AC_STRUCT_ST_BLKSIZE
1000
1001 dnl ** do we have long longs?
1002 AC_CHECK_TYPES([long long])
1003
1004 dnl ** what are the sizes of various types
1005 AC_CHECK_SIZEOF(char,               1)
1006 AC_CHECK_SIZEOF(double,             8)
1007 AC_CHECK_SIZEOF(float,              4)
1008 AC_CHECK_SIZEOF(int,                4)
1009 AC_CHECK_SIZEOF(long,               4)
1010 if test "$ac_cv_type_long_long" = yes; then
1011 AC_CHECK_SIZEOF(long long,          8)
1012 fi
1013 AC_CHECK_SIZEOF(short,              2)
1014 AC_CHECK_SIZEOF(unsigned char,      1)
1015 AC_CHECK_SIZEOF(unsigned int,       4)
1016 AC_CHECK_SIZEOF(unsigned long,      4)
1017 if test "$ac_cv_type_long_long" = yes; then
1018 AC_CHECK_SIZEOF(unsigned long long, 8)
1019 fi
1020 AC_CHECK_SIZEOF(unsigned short,     2)
1021 AC_CHECK_SIZEOF(void *,             4)
1022
1023 dnl ** what are alignment constraints on various types
1024 FP_CHECK_ALIGNMENT(char)
1025 FP_CHECK_ALIGNMENT(double)
1026 FP_CHECK_ALIGNMENT(float)
1027 FP_CHECK_ALIGNMENT(int)
1028 FP_CHECK_ALIGNMENT(long)
1029 if test "$ac_cv_type_long_long" = yes; then
1030 FP_CHECK_ALIGNMENT(long long)
1031 fi
1032 FP_CHECK_ALIGNMENT(short)
1033 FP_CHECK_ALIGNMENT(unsigned char)
1034 FP_CHECK_ALIGNMENT(unsigned int)
1035 FP_CHECK_ALIGNMENT(unsigned long)
1036 if test "$ac_cv_type_long_long" = yes; then
1037 FP_CHECK_ALIGNMENT(unsigned long long)
1038 fi
1039 FP_CHECK_ALIGNMENT(unsigned short)
1040 FP_CHECK_ALIGNMENT(void *)
1041
1042 dnl ** map standard C types and ISO types to Haskell types
1043 FPTOOLS_CHECK_HTYPE(char)
1044 FPTOOLS_CHECK_HTYPE(signed char)
1045 FPTOOLS_CHECK_HTYPE(unsigned char)
1046 FPTOOLS_CHECK_HTYPE(short)
1047 FPTOOLS_CHECK_HTYPE(unsigned short)
1048 FPTOOLS_CHECK_HTYPE(int)
1049 FPTOOLS_CHECK_HTYPE(unsigned int)
1050 FPTOOLS_CHECK_HTYPE(long)
1051 FPTOOLS_CHECK_HTYPE(unsigned long)
1052 if test "$ac_cv_type_long_long" = yes; then
1053 FPTOOLS_CHECK_HTYPE(long long)
1054 FPTOOLS_CHECK_HTYPE(unsigned long long)
1055 fi
1056 FPTOOLS_CHECK_HTYPE(float)
1057 FPTOOLS_CHECK_HTYPE(double)
1058 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1059 FPTOOLS_CHECK_HTYPE(size_t)
1060 FPTOOLS_CHECK_HTYPE(wchar_t)
1061 dnl Int32 is a HACK for non-ISO C compilers
1062 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1063 FPTOOLS_CHECK_HTYPE(clock_t)
1064 FPTOOLS_CHECK_HTYPE(time_t)
1065 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1066 FPTOOLS_CHECK_HTYPE(ino_t)
1067 FPTOOLS_CHECK_HTYPE(mode_t)
1068 FPTOOLS_CHECK_HTYPE(off_t)
1069 FPTOOLS_CHECK_HTYPE(pid_t)
1070 FPTOOLS_CHECK_HTYPE(gid_t)
1071 FPTOOLS_CHECK_HTYPE(uid_t)
1072 FPTOOLS_CHECK_HTYPE(cc_t)
1073 FPTOOLS_CHECK_HTYPE(speed_t)
1074 FPTOOLS_CHECK_HTYPE(tcflag_t)
1075 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1076 FPTOOLS_CHECK_HTYPE(nlink_t)
1077 FPTOOLS_CHECK_HTYPE(ssize_t)
1078 FPTOOLS_CHECK_HTYPE(rlim_t)
1079 FPTOOLS_CHECK_HTYPE(wint_t)
1080
1081 dnl ** Map OpenGL data types to Haskell types
1082 if test $GhcLibsWithOpenGL = YES ; then
1083 FPTOOLS_CHECK_HTYPE(GLboolean)
1084 FPTOOLS_CHECK_HTYPE(GLbyte)
1085 FPTOOLS_CHECK_HTYPE(GLubyte)
1086 FPTOOLS_CHECK_HTYPE(GLshort)
1087 FPTOOLS_CHECK_HTYPE(GLushort)
1088 FPTOOLS_CHECK_HTYPE(GLint)
1089 FPTOOLS_CHECK_HTYPE(GLuint)
1090 FPTOOLS_CHECK_HTYPE(GLsizei)
1091 FPTOOLS_CHECK_HTYPE(GLenum)
1092 FPTOOLS_CHECK_HTYPE(GLbitfield)
1093 FPTOOLS_CHECK_HTYPE(GLfloat)
1094 FPTOOLS_CHECK_HTYPE(GLclampf)
1095 FPTOOLS_CHECK_HTYPE(GLdouble)
1096 FPTOOLS_CHECK_HTYPE(GLclampd)
1097 fi
1098
1099 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>
1100 #include <errno.h>])
1101
1102 dnl ** can we open files in binary mode?
1103 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1104
1105 FP_CHECK_FUNC([WinExec],
1106   [@%:@include <windows.h>], [WinExec("",0)])
1107
1108 FP_CHECK_FUNC([GetModuleFileName],
1109   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1110
1111 dnl ** check return type of signal handlers
1112 dnl Foo: assumes we can use prototypes.
1113 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1114 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1115 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1116 dnl #include <signal.h>
1117 dnl #ifdef signal
1118 dnl #undef signal
1119 dnl #endif
1120 dnl void (*signal (int, void (*)(int)))(int);
1121 dnl ],
1122 dnl [int i;], 
1123 dnl ac_cv_type_signal_handler=void_int,
1124 dnl ac_cv_type_signal_handler=int_void)])
1125 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1126 dnl AC_DEFINE(VOID_INT_SIGNALS)
1127 dnl fi
1128
1129 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1130 AC_TYPE_SIGNAL
1131 if test "$ac_cv_type_signal" = void; then
1132   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1133 fi
1134
1135 dnl ** check for more functions
1136 AC_CHECK_FUNCS([ftime getclock getgrgid_r getgrnam_r getpagesize getpwnam_r getpwuid_r getrusage gettimeofday gmtime_r localtime_r lstat readdir_r readlink setenv setitimer siginterrupt symlink sysconf times unsetenv])
1137
1138 dnl ** Solaris2 needs additionl flag for getpw*_r()
1139 case "$TargetPlatform" in
1140   *-solaris2*)
1141     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1142     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1143   ;;
1144 esac
1145
1146 dnl ** check whether this machine has gmp3 installed
1147 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1148   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1149     HaveLibGmp=NO; LibGmp=not-installed))
1150 AC_SUBST(HaveLibGmp)
1151 AC_SUBST(LibGmp)
1152
1153 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1154 HaveFrameworkHaskellSupport=NO
1155 if test $HostPlatform = "powerpc-apple-darwin"; then
1156  AC_MSG_CHECKING([for HaskellSupport.framework])
1157  save_libs="$LIBS"
1158  LIBS="-framework HaskellSupport"
1159  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1160  if test $HaveFrameworkHaskellSupport = YES; then
1161   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1162  fi;
1163  LIBS="$save_libs"
1164  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1165 fi;
1166 AC_SUBST(HaveFrameworkHaskellSupport)
1167
1168 dnl ** check for mingwex library
1169 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1170 AC_SUBST(HaveLibMingwEx)
1171
1172 if test $HaveLibMingwEx = YES ; then
1173   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1174 fi
1175
1176 if test "$HaveLibGmp" = "NO"; then
1177 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1178 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1179 fi;
1180 fi;
1181
1182 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1183 dnl    the order of these tests matters: bfd needs liberty
1184 AC_CHECK_LIB(iberty, xmalloc)
1185 AC_CHECK_LIB(bfd,    bfd_init)
1186
1187 dnl ** check for wide-char classifications
1188 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1189 dnl functions if it's really there.
1190 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
1191
1192 dnl ** check for readline, for Hugs and hslibs' Readline
1193 dnl ncurses supersedes termcap and curses, but for compatibility,
1194 dnl we have to check for all...
1195 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1196   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1197     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1198       HaveLibTermcap=NO; LibTermcap=not-installed)))
1199
1200 if test $HaveLibTermcap = YES ; then
1201   LIBS="-l$LibTermcap $LIBS"
1202   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1203 fi
1204
1205 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1206   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1207   LibsReadline="readline $LibTermcap"
1208 else
1209   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1210   LibsReadline=
1211 fi
1212 AC_SUBST(LibsReadline)
1213
1214 if test "$HaveLibReadline"; then
1215   AC_CHECK_LIB(readline, rl_erase_empty_line,
1216     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1217     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1218   AC_CHECK_LIB(readline, rl_free_undo_list,
1219     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1220     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1221 else
1222   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1223   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1224 fi
1225
1226 dnl ** check for math library
1227 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1228 AC_SUBST([LIBM])
1229
1230 dnl ** check for X Window System
1231 AC_PATH_XTRA()
1232
1233 if test "$no_x" = yes; then
1234   GhcLibsWithX11=NO
1235 else
1236   GhcLibsWithX11=YES
1237 fi
1238 AC_SUBST([GhcLibsWithX11])
1239
1240 dnl ################################################################
1241 dnl Check for libraries
1242 dnl ################################################################
1243
1244 dnl ** check for libdl & RTLD_NEXT
1245
1246 dnl (Mac OS X only) ... but don't check if we already have the
1247 dnl HaskellSupport.framework
1248
1249 if test $HaveFrameworkHaskellSupport = YES; then
1250     HaveLibDL=NO
1251     HaveRtldNext=NO
1252     HaveRtldLocal=YES
1253     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1254     HaveRtldGlobal=YES
1255     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1256     HaveRtldNow=YES
1257     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1258     AC_SUBST(HaveLibDL)
1259     AC_SUBST(HaveRtldNext)
1260     AC_SUBST(HaveRtldLocal)
1261     AC_SUBST(HaveRtldGlobal)
1262     AC_SUBST(HaveRtldNow)
1263 else
1264     AC_CHECK_LIB(dl, dlopen, 
1265         [HaveLibDL=YES
1266          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1267          LIBS="$LIBS -ldl"], 
1268         [HaveLibDL=NO])
1269     AC_SUBST(HaveLibDL)
1270
1271     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1272     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1273     AC_EGREP_CPP(yes,
1274     [
1275      #include <dlfcn.h>
1276      #ifdef RTLD_NEXT
1277             yes
1278      #endif
1279     ], [
1280       AC_MSG_RESULT(yes)
1281       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1282       HaveRtldNext=YES
1283     ], [
1284       AC_MSG_RESULT(no)
1285       HaveRtldNext=NO
1286       ])    
1287     AC_SUBST(HaveRtldNext)
1288
1289     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1290     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1291     AC_EGREP_CPP(yes,
1292     [
1293      #include <dlfcn.h>
1294      #ifdef RTLD_LOCAL
1295             yes
1296      #endif
1297     ], [
1298       AC_MSG_RESULT(yes)
1299       AC_DEFINE(HAVE_RTLDLOCAL)
1300       HaveRtldLocal=YES
1301     ], [
1302       AC_MSG_RESULT(no)
1303       HaveRtldLocal=NO
1304       ])    
1305     AC_SUBST(HaveRtldLocal)
1306
1307     dnl ** RTLD_GLOBAL isn't available on openbsd
1308     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1309     AC_EGREP_CPP(yes,
1310     [
1311      #include <dlfcn.h>
1312      #ifdef RTLD_GLOBAL
1313             yes
1314      #endif
1315     ], [
1316       AC_MSG_RESULT(yes)
1317       AC_DEFINE(HAVE_RTLDGLOBAL)
1318       HaveRtldGlobal=YES
1319     ], [
1320       AC_MSG_RESULT(no)
1321       HaveRtldGlobal=NO
1322       ])    
1323     AC_SUBST(HaveRtldGlobal)
1324
1325     dnl ** RTLD_NOW isn't available on openbsd
1326     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1327     AC_EGREP_CPP(yes,
1328     [
1329      #include <dlfcn.h>
1330      #ifdef RTLD_NOW
1331             yes
1332      #endif
1333     ], [
1334       AC_MSG_RESULT(yes)
1335       AC_DEFINE(HAVE_RTLDNOW)
1336       HaveRtldNow=YES
1337     ], [
1338       AC_MSG_RESULT(no)
1339       HaveRtldNow=NO
1340       ])    
1341     AC_SUBST(HaveRtldNow)
1342 fi
1343
1344 dnl ---------- usleep ----------
1345 dnl --- stolen from guile configure ---
1346 dnl --- FIXME: /usr/include/unistd.h can't be right?
1347
1348 ### On some systems usleep has no return value.  If it does have one,
1349 ### we'd like to return it; otherwise, we'll fake it.
1350 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1351   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1352                    /usr/include/unistd.h,
1353                    [cv_func_usleep_return_type=void],
1354                    [cv_func_usleep_return_type=int])])
1355 case "$cv_func_usleep_return_type" in
1356   "void" )
1357     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1358   ;;
1359 esac
1360
1361 dnl --------------------------------------------------
1362 dnl * test for GTK+
1363 dnl --------------------------------------------------
1364
1365 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1366 if test -n "$GTK_CONFIG"; then
1367   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1368     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1369   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1370     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1371      GTK_CONFIG=])
1372 fi
1373 AC_SUBST([GTK_CONFIG])
1374
1375 dnl --------------------------------------------------
1376 dnl * Miscellaneous feature tests
1377 dnl --------------------------------------------------
1378
1379 dnl ** can we get alloca?
1380 AC_FUNC_ALLOCA
1381
1382 dnl ** Working vfork?
1383 AC_FUNC_VFORK
1384
1385 dnl ** determine whether or not const works
1386 AC_C_CONST
1387
1388 dnl ** are we big endian?
1389 AC_C_BIGENDIAN
1390
1391 dnl ** check for leading underscores in symbol names
1392 FP_LEADING_UNDERSCORE
1393
1394 dnl ** check for ld, and whether ld has -x option
1395 AC_PATH_PROG(LdCmdRaw, ld)
1396 case $HostOS_CPP in
1397  mingw32) 
1398         if test "${OSTYPE}" == "msys"
1399            then
1400              LdCmd=${LdCmdRaw}
1401            else
1402              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1403         fi
1404            ;;
1405  *) LdCmd=${LdCmdRaw}
1406     ;;
1407 esac
1408 AC_SUBST(LdCmd)
1409 FPTOOLS_LD_X
1410
1411 FP_EMPTY_STRUCTS
1412
1413 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )