782b9b91d4f9b288aff856c4f7320a80f92925c0
[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 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*)
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 mips-*-linux*)
330         HostPlatform=mips-unknown-linux # hack again
331         TargetPlatform=mips-unknown-linux
332         BuildPlatform=mips-unknown-linux
333         HostPlatform_CPP='mips_unknown_linux'
334         HostArch_CPP='mips'
335         HostVendor_CPP='unknown'
336         HostOS_CPP='linux'
337         ;;
338 mips-dec-ultrix*)
339         HostPlatform_CPP='mips_dec_ultrix'
340         HostArch_CPP='mipsel'   # NB a little different
341         HostVendor_CPP='dec'
342         HostOS_CPP='ultrix'
343         ;;
344 mips-sgi-irix*)
345         HostPlatform=mips-sgi-irix
346         TargetPlatform=mips-sgi-irix #hack
347         BuildPlatform=mips-sgi-irix #hack
348         HostPlatform_CPP='mips_sgi_irix'
349         HostArch_CPP='mipseb'   # NB a little different
350         HostVendor_CPP='sgi'
351         HostOS_CPP='irix'
352         ;;
353 rs6000-ibm-aix*)
354         HostPlatform=rs6000-ibm-aix
355         TargetPlatform=rs6000-ibm-aix #hack
356         BuildPlatform=rs6000-ibm-aix #hack
357         HostPlatform_CPP='rs6000_ibm_aix'
358         HostArch_CPP='rs6000'
359         HostVendor_CPP='ibm'
360         HostOS_CPP='aix'
361         ;;
362 powerpc-ibm-aix*)
363         HostPlatform=powerpc-ibm-aix
364         TargetPlatform=powerpc-ibm-aix #hack
365         BuildPlatform=powerpc-ibm-aix #hack
366         HostPlatform_CPP='powerpc_ibm_aix'
367         HostArch_CPP='powerpc'
368         HostVendor_CPP='ibm'
369         HostOS_CPP='aix'
370         ;;
371 powerpc-apple-darwin*)
372         HostPlatform=powerpc-apple-darwin
373         TargetPlatform=powerpc-apple-darwin #hack
374         BuildPlatform=powerpc-apple-darwin #hack
375         HostPlatform_CPP='powerpc_apple_darwin'
376         HostArch_CPP='powerpc'
377         HostVendor_CPP='apple'
378         HostOS_CPP='darwin'
379         ;;
380 powerpc-unknown-linux*)
381         HostPlatform=powerpc-unknown-linux
382         TargetPlatform=powerpc-unknown-linux
383         BuildPlatform=powerpc-unknown-linux
384         HostPlatform_CPP='powerpc_unknown_linux'
385         HostArch_CPP='powerpc'
386         HostVendor_CPP='unknown'
387         HostOS_CPP='linux'
388         ;;
389 powerpc-unknown-openbsd*)
390         HostPlatform=powerpc-unknown-openbsd
391         TargetPlatform=powerpc-unknown-openbsd
392         BuildPlatform=powerpc-unknown-openbsd
393         HostPlatform_CPP='powerpc_unknown_openbsd'
394         HostArch_CPP='powerpc'
395         HostVendor_CPP='unknown'
396         HostOS_CPP='openbsd'
397         ;;
398 s390-ibm-linux*)
399        HostPlatform=s390-ibm-linux
400        TargetPlatform=s390-ibm-linux #hack
401        BuildPlatform=s390-ibm-linux #hack
402         HostPlatform_CPP='s390_ibm_linux'
403         HostArch_CPP='s390'
404         HostVendor_CPP='ibm'
405         HostOS_CPP='linux'
406         ;;
407 sparc-sun-sunos4*)
408         HostPlatform=sparc-sun-sunos4
409         TargetPlatform=sparc-sun-sunos4 #hack
410         BuildPlatform=sparc-sun-sunos4 #hack
411         HostPlatform_CPP='sparc_sun_sunos4'
412         HostArch_CPP='sparc'
413         HostVendor_CPP='sun'
414         HostOS_CPP='sunos4'
415         ;;
416 sparc-sun-solaris2*)
417         HostPlatform=sparc-sun-solaris2
418         TargetPlatform=sparc-sun-solaris2 #hack
419         BuildPlatform=sparc-sun-solaris2 #hack
420         HostPlatform_CPP='sparc_sun_solaris2'
421         HostArch_CPP='sparc'
422         HostVendor_CPP='sun'
423         HostOS_CPP='solaris2'
424         ;;
425 sparc*-linux*)
426         HostPlatform=sparc-unknown-linux
427         TargetPlatform=sparc-unknown-linux
428         BuildPlatform=sparc-unknown-linux
429         HostPlatform_CPP='sparc_unknown_linux'
430         HostArch_CPP='sparc'
431         HostVendor_CPP='unknown'
432         HostOS_CPP='linux'
433         ;;
434 sparc-*-openbsd*)
435         HostPlatform=sparc-unknown-openbsd
436         TargetPlatform=sparc-unknown-openbsd
437         BuildPlatform=sparc-unknown-openbsd
438         HostPlatform_CPP='sparc_unknown_openbsd'
439         HostArch_CPP='sparc'
440         HostVendor_CPP='unknown'
441         HostOS_CPP='openbsd'
442         ;;
443 *)
444         echo "Unrecognised platform: $HostPlatform"
445         exit 1
446         ;;
447 esac
448 echo "Canonicalised to: $HostPlatform"
449 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
450 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
451
452 BuildPlatform_CPP=$HostPlatform_CPP
453 TargetPlatform_CPP=$HostPlatform_CPP
454 BuildArch_CPP=$HostArch_CPP
455 TargetArch_CPP=$HostArch_CPP
456 BuildOS_CPP=$HostOS_CPP
457 HostOS_Full=$host_os
458 TargetOS_CPP=$HostOS_CPP
459 BuildVendor_CPP=$HostVendor_CPP
460 TargetVendor_CPP=$HostVendor_CPP
461
462 AC_SUBST(BuildPlatform)
463 AC_SUBST(HostPlatform)
464 AC_SUBST(TargetPlatform)
465 AC_SUBST(HostPlatform_CPP)
466 AC_SUBST(BuildPlatform_CPP)
467 AC_SUBST(TargetPlatform_CPP)
468
469 AC_SUBST(HostArch_CPP)
470 AC_SUBST(BuildArch_CPP)
471 AC_SUBST(TargetArch_CPP)
472
473 AC_SUBST(HostOS_CPP)
474 AC_SUBST(HostOS_Full)
475 AC_SUBST(BuildOS_CPP)
476 AC_SUBST(TargetOS_CPP)
477
478 AC_SUBST(HostVendor_CPP)
479 AC_SUBST(BuildVendor_CPP)
480 AC_SUBST(TargetVendor_CPP)
481
482 AC_SUBST(exeext)
483
484 dnl --------------------------------------------------------------
485 dnl * Calculate absolute path to build tree
486 dnl --------------------------------------------------------------
487
488 AC_MSG_CHECKING(for path to top of build tree)
489
490 hardtop=`pwd`
491
492 dnl Remove common automounter nonsense
493 dnl
494 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
495
496 dnl Find 'hardtop_plat', the native format for 'hardtop' 
497 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
498 dnl
499 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
500 dnl              but we must not do that if we aren't building using Cygwin (notably msys), 
501 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin' 
502 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
503 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
504 dnl
505 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy 
506 dnl              about setting that correctly at the moment, so we just work around for now.
507 dnl
508 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
509 dnl              is not set.
510 case $HostPlatform in
511   i386-unknown-mingw32 | i386-unknown-cygwin32)
512         if test "${OSTYPE}" != "msys" 
513           then
514             # convert $hardtop to a path that mingw will understand too
515             cyghardtop=${hardtop}
516             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
517             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
518           else
519             hardtop_plat=${hardtop}
520         fi
521         ;;
522   *)
523         hardtop_plat=${hardtop}
524         ;;
525 esac
526 AC_SUBST(hardtop)
527 AC_SUBST(hardtop_plat)
528
529 AC_MSG_RESULT(${hardtop})
530
531 dnl --------------------------------------------------------------
532 dnl * Project specific configuration options
533 dnl --------------------------------------------------------------
534 dnl What follows is a bunch of options that can either be configured
535 dnl through command line options to the configure script or by
536 dnl supplying defns in the build tree's mk/build.mk. Having the option to
537 dnl use either is considered a Feature.
538
539 dnl ** What command to use to compile compiler sources ?
540 dnl --------------------------------------------------------------
541
542 AC_ARG_WITH(ghc,
543 [AC_HELP_STRING([--with-ghc=ARG],
544         [Use ARG as the path to GHC  [default=autodetect]])],
545 [ WithGhc="$withval" ],
546
547   if test "$GHC" = ""; then
548     AC_PATH_PROG(GHC,ghc)
549   fi
550   WithGhc=$GHC
551 ])
552 AC_SUBST(WithGhc)
553
554 AC_ARG_WITH(hc,
555 [AC_HELP_STRING([--with-hc=ARG],
556         [Use ARG as the path to the compiler for compiling ordinary
557          Haskell code  (default= value of --with-ghc)])],
558 [WithHc="$withval"],
559 [WithHc=$WithGhc]
560 )
561 AC_SUBST(WithHc)
562
563 if test "$WithGhc" != ""; then
564   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
565   AC_SUBST(GhcVersion)dnl
566   AC_SUBST(GhcMajVersion)dnl
567   AC_SUBST(GhcMinVersion)dnl
568   AC_SUBST(GhcPatchLevel)dnl
569 fi
570
571 AC_PATH_PROGS(NHC,nhc nhc98)
572 AC_PATH_PROG(HBC,hbc)
573
574 dnl ** Which gcc to use?
575 dnl --------------------------------------------------------------
576 AC_ARG_WITH(gcc,
577 [AC_HELP_STRING([--with-gcc=ARG],
578         [Use ARG as the path to GCC  [default=autodetect]])],
579 [WhatGccIsCalled="$withval"
580  if test "x$HostPlatform" = "xi386-unknown-mingw32"
581     then
582        if test "${OSTYPE}" != "msys"
583          then
584          # Canonicalise to <drive>:/path/to/gcc
585          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
586        fi
587  fi;
588  CC="$withval"],
589 [WhatGccIsCalled="gcc"]
590 )
591 AC_SUBST(WhatGccIsCalled)
592
593 dnl ** Booting from .hc files?
594 dnl --------------------------------------------------------------
595 AC_ARG_ENABLE(hc-boot,
596 [AC_HELP_STRING([--enable-hc-boot],
597 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
598  (This option is mostly of interest to porters.) [default=no]])],
599 [ if test x"$enableval" = x"yes"; then
600         BootingFromHc=YES
601   else
602         BootingFromHc=NO
603   fi
604 ],
605 [BootingFromHc=NO]
606 )
607 AC_SUBST(BootingFromHc)
608
609 dnl ** Booting from unregisterised .hc files?
610 dnl --------------------------------------------------------------
611 AC_ARG_ENABLE(hc-boot-unregisterised,
612 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
613 [ With --enable-hc-boot, treat the intermediate .hc files as
614  unregisterised rather than registerised code.
615  (This option is mostly of interest to porters.) [default=no]])],
616 [ if test x"$enableval" = x"yes"; then
617         BootingFromUnregisterisedHc=YES
618   else
619         BootingFromUnregisterisedHc=NO
620   fi
621 ],
622 [BootingFromUnregisterisedHc=NO]
623 )
624 AC_SUBST(BootingFromUnregisterisedHc)
625
626 if test "$BootingFromHc" = "NO"; then
627 if test "$BootingFromUnregisterisedHc" = "YES"; then
628 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
629 fi;
630 fi;
631
632 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
633 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
634 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
635 fi;
636
637 dnl ** --enable-threaded-rts (not used any more)
638 dnl --------------------------------------------------------------
639 AC_ARG_ENABLE(threaded-rts,
640 [AC_HELP_STRING([--enable-threaded-rts],
641 [DEPRECATED (backwards compatibility only). [default=no]])],
642 [ if test x"$enableval" = x"yes"; then
643         ThreadedRts=YES
644   else
645         ThreadedRts=NO
646   fi
647 ],
648 [ThreadedRts=NO]
649 )
650 AC_SUBST(ThreadedRts)
651
652 dnl ** Enable the construction of Win32 DLLs?
653 dnl --------------------------------------------------------------
654 dnl
655 dnl [ The ability to build the RTS and libraries as separate DLLs used
656 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
657 dnl   and build system would be required to bring it back again.)
658 dnl   Hence, exposing it as an option is false advertisement, so better
659 dnl   disable it to avoid confusion (but leave it commented-out rather
660 dnl   than removed in order to remind ourselves to bring back the 
661 dnl   feature at some stage.) ]
662 dnl
663 dnl AC_ARG_ENABLE(win32-dlls,
664 dnl [  --enable-win32-dlls
665 dnl         If on a Win32 platform running mingw32/cygwin, enable the
666 dnl     construction of DLLs containing ghc-compiled code.
667 dnl ],
668 dnl [
669 dnl case $HostOS_CPP in
670 dnl cygwin32) ;;
671 dnl mingw32)  ;;
672 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
673 dnl       exit 1
674 dnl       ;;
675 dnl esac
676 dnl EnableWin32DLLs=YES
677 dnl ],
678 dnl [EnableWin32DLLs=NO]
679 dnl )
680 dnl AC_SUBST(EnableWin32DLLs)
681 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
682 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
683 dnl fi
684
685 dnl ** Enable the building of the ObjectIO?
686 dnl --------------------------------------------------------------
687 AC_ARG_ENABLE(objectio,
688 [AC_HELP_STRING([--enable-objectio],
689 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
690 [ if test x"$enableval" = x"yes"; then
691         GhcLibsWithObjectIO=YES
692   else
693         GhcLibsWithObjectIO=NO
694   fi
695 ],
696 [GhcLibsWithObjectIO=NO]
697 )
698 AC_SUBST(GhcLibsWithObjectIO)
699
700 dnl ** Enable the building of the OpenAL binding?
701 dnl --------------------------------------------------------------
702 AC_ARG_ENABLE([openal],
703   AC_HELP_STRING([--enable-openal],
704                  [Build OpenAL binding [[default=autodetect]]]),
705   [ if test x"$enableval" = x"yes"; then
706         GhcLibsWithOpenAL=YES
707     else
708         GhcLibsWithOpenAL=NO
709     fi
710   ],
711   [GhcLibsWithOpenAL=yes])
712
713 AC_SUBST([GhcLibsWithOpenAL])
714
715 dnl ** .NET interop support?
716 dnl --------------------------------------------------------------
717 AC_ARG_ENABLE(dotnet,
718 [AC_HELP_STRING([--enable-dotnet],
719 [Build .NET interop layer. [default=no]])],
720 [ if test x"$enableval" = x"yes"; then
721         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
722   else 
723         DotnetSupport=NO
724   fi],
725 [DotnetSupport=NO]
726 )
727 AC_SUBST(DotnetSupport)
728
729 dnl --------------------------------------------------------------
730 dnl End of configure script option section
731 dnl --------------------------------------------------------------
732
733
734 dnl --------------------------------------------------------------
735 dnl * General configuration checks
736 dnl --------------------------------------------------------------
737
738 dnl ** Can the unix package be built?
739 dnl --------------------------------------------------------------
740
741 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
742    GhcLibsWithUnix=NO
743 else
744    GhcLibsWithUnix=YES
745 fi
746 AC_SUBST([GhcLibsWithUnix])
747
748 dnl ** does #! work?
749 AC_SYS_INTERPRETER()
750
751 dnl ** look for `perl', but only in /bin on Windows
752 case $HostOS_CPP in
753 cygwin32|mingw32)
754       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
755       if test -z "$PerlCmd"; then
756          echo "You must install the version of Perl shipped with GHC"
757          echo "(or a compatible one) in /bin."
758          exit 1
759       fi
760    ;;
761 *)
762    AC_PATH_PROG(PerlCmd,perl)
763    if test -z "$PerlCmd"; then
764       echo "You must install perl before you can continue"
765       echo "Perhaps it is already installed, but not in your PATH?"
766       exit 1
767    else
768    FPTOOLS_CHECK_PERL_VERSION
769    fi
770    ;;
771 esac
772
773 dnl ** does #! path/to/perl work? (sometimes it's too long...)
774 FPTOOLS_SHEBANG_PERL
775
776 dnl ** check for Python
777 AC_PATH_PROG(PythonCmd,python)
778
779 dnl ** look for GCC and find out which version
780 dnl     Figure out which C compiler to use.  Gcc is preferred.
781 dnl     If gcc, make sure it's at least 2.1
782 dnl
783 AC_PROG_CC
784 FPTOOLS_HAVE_GCC
785 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
786
787 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
788 AC_PROG_CPP
789
790 dnl ** Without optimization some INLINE trickery fails for GHCi
791 SRC_CC_OPTS="-O"
792
793 dnl ** Try to add -mno-cygwin to the C compiler options
794 FP_CHECK_FLAG([-mno-cygwin], [
795 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
796 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
797 AC_SUBST(SRC_CC_OPTS)
798
799 dnl ** figure out how to do context diffs
800 FP_PROG_CONTEXT_DIFF
801
802 dnl ** Find find command (for Win32's benefit)
803 FP_PROG_FIND
804
805 dnl ** figure out how to do a BSD-ish install
806 AC_PROG_INSTALL
807
808 dnl If you can run configure, you certainly have /bin/sh
809 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
810
811 dnl ** how to invoke `ar' and `ranlib'
812 FP_PROG_AR_NEEDS_RANLIB
813 FP_PROG_AR_SUPPORTS_INPUT
814
815 dnl ** Check to see whether ln -s works
816 AC_PROG_LN_S
817
818
819 dnl ** Find the path to sed
820 AC_PATH_PROG(SedCmd,sed)
821
822
823 dnl ** check for time command
824 AC_PATH_PROG(TimeCmd,time)
825
826 dnl ** check for tar
827 dnl   if GNU tar is named gtar, look for it first.
828 AC_PATH_PROGS(TarCmd,gtar tar,tar)
829
830 dnl ** check for jade/openjade & determine a working catalog
831 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
832 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
833                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
834 if test -z "$Catalog"; then
835   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
836 fi
837 case $Catalog in
838    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
839         Catalog=
840         ;;
841    glafp*) 
842         case $HostOS_CPP in
843            mingw32)
844                   if test "${OSTYPE}" == "msys"
845                     then
846                       Catalog=$hardtop/$Catalog
847                     else
848                       Catalog=`cygpath -w $hardtop/$Catalog`
849                   fi
850               ;;
851            *) Catalog=$hardtop/$Catalog
852               ;;
853         esac
854    ;;
855 esac   
856 AC_SUBST(Catalog)
857
858
859 dnl ** check for ghc-pkg command
860 changequote(, )dnl
861 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
862 changequote([, ])dnl
863 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
864    GhcPkgCmd=$ghc_pkg_guess
865    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
866 else
867    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
868 fi
869
870 AC_ARG_WITH(greencard,
871 [AC_HELP_STRING([--with-greencard=ARG],
872         [Use ARG as the path to greencard  [default=autodetct]])],
873 [
874 GreenCardCmd=$withval;
875 FPTOOLS_GREENCARD(3.00)
876 ]
877 )
878
879 AC_ARG_ENABLE(src-tree-happy,
880 [AC_HELP_STRING([--enable-src-tree-happy],
881         [Build and use source tree (fptools/happy) version of Happy. 
882          [default=autodetect]])],
883 [ if test x"$enableval" = x"yes"; then
884         UseSrcTreeHappy=YES
885   else
886         UseSrcTreeHappy=NO
887   fi
888 ],
889 [UseSrcTreeHappy=NO]
890 )
891 dnl ** check for installed happy binary + version
892 dnl    (don't do it if we're booting from .hc files though.)
893 if test "$BootingFromHc" = "NO"; then
894 FPTOOLS_HAPPY
895 fi;
896
897 AC_ARG_ENABLE(src-tree-haddock,
898 [AC_HELP_STRING([--enable-src-tree-haddock],
899         [Build and use source tree (fptools/haddock) version of Haddock.
900          [default=autodetect]])],
901 [ if test x"$enableval" = x"yes"; then
902         UseSrcTreeHaddock=YES
903   else
904         UseSrcTreeHaddock=NO
905   fi
906 ],
907 [UseSrcTreeHaddock=NO]
908 )
909 dnl ** check for installed haddock
910 FPTOOLS_HADDOCK
911
912 AC_ARG_ENABLE(src-tree-alex,
913 [AC_HELP_STRING([--enable-src-tree-alex],
914         [Build and use source tree (fptools/alex) version of Alex.
915          [default=autodetect]])],
916 [ if test x"$enableval" = x"yes"; then
917         UseSrcTreeAlex=YES
918   else
919         UseSrcTreeAlex=NO
920   fi
921 ],
922 [UseSrcTreeAlex=NO]
923 )
924 dnl ** check for installed alex binary + version
925 dnl    (don't do it if we're booting from .hc files though.)
926 if test "$BootingFromHc" = "NO"; then
927 FPTOOLS_ALEX
928 fi;
929
930 dnl --------------------------------------------------
931 dnl ### program checking section ends here ###
932 dnl --------------------------------------------------
933
934 dnl --------------------------------------------------
935 dnl * Platform header file and syscall feature tests
936 dnl ### checking the state of the local header files and syscalls ###
937
938 dnl ** check for full ANSI header (.h) files
939 AC_HEADER_STDC
940
941 dnl ** Enable large file support.  NB. do this before testing the type of
942 dnl    off_t, because it will affect the result of that test.
943 AC_SYS_LARGEFILE
944
945 dnl ** check for specific header (.h) files that we are interested in
946 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)
947 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
948
949 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
950 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
951
952 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
953   GhcLibsWithReadline=YES
954   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
955 else
956   GhcLibsWithReadline=NO
957   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
958 fi
959 AC_SUBST(GhcLibsWithReadline)
960
961 dnl ** check for DOS include files
962 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
963
964 dnl ** check for Windows include files
965 AC_CHECK_HEADERS(windows.h)
966
967 dnl ** check for OpenGL/GLUT include paths and libraries
968 FP_CHECK_GLUT
969
970 if test x"$no_GLU" = xyes; then
971   GhcLibsWithOpenGL=NO
972 else
973   GhcLibsWithOpenGL=YES
974 fi
975 AC_SUBST([GhcLibsWithOpenGL])
976
977 if test x"$no_GLUT" = xyes; then
978   GhcLibsWithGLUT=NO
979 else
980   GhcLibsWithGLUT=YES
981 fi
982 AC_SUBST([GhcLibsWithGLUT])
983
984 dnl ** check for OpenGL include files
985 fp_save_cppflags="$CPPFLAGS"
986 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
987 if test x"$use_quartz_opengl" = xyes; then
988   AC_CHECK_HEADERS([OpenGL/gl.h])
989 else
990   AC_CHECK_HEADERS([GL/gl.h])
991 fi
992 CPPFLAGS="$fp_save_cppflags"
993
994 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
995 AC_HEADER_TIME
996
997 dnl dynamic loading include files
998 AC_CHECK_HEADERS(dlfcn.h dl.h) 
999
1000 dnl ** check for farcalloc (in bcc)
1001 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
1002
1003 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
1004 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
1005
1006 dnl ** check for POSIX regex
1007 HavePosixRegex=NO
1008 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
1009 AC_SUBST(HavePosixRegex)
1010
1011 dnl ** how do we get a timezone name, and UTC offset ?
1012 AC_STRUCT_TIMEZONE
1013
1014 dnl ** do we have altzone?
1015 FP_DECL_ALTZONE
1016
1017 dnl ** does struct stat contain st_blksize?
1018 AC_STRUCT_ST_BLKSIZE
1019
1020 dnl ** do we have long longs?
1021 AC_CHECK_TYPES([long long])
1022
1023 dnl ** check what fields struct msghdr contains
1024 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
1025 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
1026 # include <sys/types.h>
1027 #endif
1028 #if HAVE_SYS_SOCKET_H
1029 # include <sys/socket.h>
1030 #endif
1031 #if HAVE_SYS_UIO_H
1032 # include <sys/uio.h>
1033 #endif])
1034
1035 dnl ** what are the sizes of various types
1036 AC_CHECK_SIZEOF(char,               1)
1037 AC_CHECK_SIZEOF(double,             8)
1038 AC_CHECK_SIZEOF(float,              4)
1039 AC_CHECK_SIZEOF(int,                4)
1040 AC_CHECK_SIZEOF(long,               4)
1041 if test "$ac_cv_type_long_long" = yes; then
1042 AC_CHECK_SIZEOF(long long,          8)
1043 fi
1044 AC_CHECK_SIZEOF(short,              2)
1045 AC_CHECK_SIZEOF(unsigned char,      1)
1046 AC_CHECK_SIZEOF(unsigned int,       4)
1047 AC_CHECK_SIZEOF(unsigned long,      4)
1048 if test "$ac_cv_type_long_long" = yes; then
1049 AC_CHECK_SIZEOF(unsigned long long, 8)
1050 fi
1051 AC_CHECK_SIZEOF(unsigned short,     2)
1052 AC_CHECK_SIZEOF(void *,             4)
1053
1054 dnl ** what are alignment constraints on various types
1055 FP_CHECK_ALIGNMENT(char)
1056 FP_CHECK_ALIGNMENT(double)
1057 FP_CHECK_ALIGNMENT(float)
1058 FP_CHECK_ALIGNMENT(int)
1059 FP_CHECK_ALIGNMENT(long)
1060 if test "$ac_cv_type_long_long" = yes; then
1061 FP_CHECK_ALIGNMENT(long long)
1062 fi
1063 FP_CHECK_ALIGNMENT(short)
1064 FP_CHECK_ALIGNMENT(unsigned char)
1065 FP_CHECK_ALIGNMENT(unsigned int)
1066 FP_CHECK_ALIGNMENT(unsigned long)
1067 if test "$ac_cv_type_long_long" = yes; then
1068 FP_CHECK_ALIGNMENT(unsigned long long)
1069 fi
1070 FP_CHECK_ALIGNMENT(unsigned short)
1071 FP_CHECK_ALIGNMENT(void *)
1072
1073 dnl ** map standard C types and ISO types to Haskell types
1074 FPTOOLS_CHECK_HTYPE(char)
1075 FPTOOLS_CHECK_HTYPE(signed char)
1076 FPTOOLS_CHECK_HTYPE(unsigned char)
1077 FPTOOLS_CHECK_HTYPE(short)
1078 FPTOOLS_CHECK_HTYPE(unsigned short)
1079 FPTOOLS_CHECK_HTYPE(int)
1080 FPTOOLS_CHECK_HTYPE(unsigned int)
1081 FPTOOLS_CHECK_HTYPE(long)
1082 FPTOOLS_CHECK_HTYPE(unsigned long)
1083 if test "$ac_cv_type_long_long" = yes; then
1084 FPTOOLS_CHECK_HTYPE(long long)
1085 FPTOOLS_CHECK_HTYPE(unsigned long long)
1086 fi
1087 FPTOOLS_CHECK_HTYPE(float)
1088 FPTOOLS_CHECK_HTYPE(double)
1089 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1090 FPTOOLS_CHECK_HTYPE(size_t)
1091 FPTOOLS_CHECK_HTYPE(wchar_t)
1092 dnl Int32 is a HACK for non-ISO C compilers
1093 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1094 FPTOOLS_CHECK_HTYPE(clock_t)
1095 FPTOOLS_CHECK_HTYPE(time_t)
1096 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1097 FPTOOLS_CHECK_HTYPE(ino_t)
1098 FPTOOLS_CHECK_HTYPE(mode_t)
1099 FPTOOLS_CHECK_HTYPE(off_t)
1100 FPTOOLS_CHECK_HTYPE(pid_t)
1101 FPTOOLS_CHECK_HTYPE(gid_t)
1102 FPTOOLS_CHECK_HTYPE(uid_t)
1103 FPTOOLS_CHECK_HTYPE(cc_t)
1104 FPTOOLS_CHECK_HTYPE(speed_t)
1105 FPTOOLS_CHECK_HTYPE(tcflag_t)
1106 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1107 FPTOOLS_CHECK_HTYPE(nlink_t)
1108 FPTOOLS_CHECK_HTYPE(ssize_t)
1109 FPTOOLS_CHECK_HTYPE(rlim_t)
1110 FPTOOLS_CHECK_HTYPE(wint_t)
1111
1112 dnl ** Map OpenGL data types to Haskell types
1113 if test $GhcLibsWithOpenGL = YES ; then
1114 FPTOOLS_CHECK_HTYPE(GLboolean)
1115 FPTOOLS_CHECK_HTYPE(GLbyte)
1116 FPTOOLS_CHECK_HTYPE(GLubyte)
1117 FPTOOLS_CHECK_HTYPE(GLshort)
1118 FPTOOLS_CHECK_HTYPE(GLushort)
1119 FPTOOLS_CHECK_HTYPE(GLint)
1120 FPTOOLS_CHECK_HTYPE(GLuint)
1121 FPTOOLS_CHECK_HTYPE(GLsizei)
1122 FPTOOLS_CHECK_HTYPE(GLenum)
1123 FPTOOLS_CHECK_HTYPE(GLbitfield)
1124 FPTOOLS_CHECK_HTYPE(GLfloat)
1125 FPTOOLS_CHECK_HTYPE(GLclampf)
1126 FPTOOLS_CHECK_HTYPE(GLdouble)
1127 FPTOOLS_CHECK_HTYPE(GLclampd)
1128 fi
1129
1130 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>
1131 #include <errno.h>])
1132
1133 dnl ** can we open files in binary mode?
1134 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1135
1136 FP_CHECK_FUNC([WinExec],
1137   [@%:@include <windows.h>], [WinExec("",0)])
1138
1139 FP_CHECK_FUNC([GetModuleFileName],
1140   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1141
1142 dnl ** check return type of signal handlers
1143 dnl Foo: assumes we can use prototypes.
1144 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1145 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1146 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1147 dnl #include <signal.h>
1148 dnl #ifdef signal
1149 dnl #undef signal
1150 dnl #endif
1151 dnl void (*signal (int, void (*)(int)))(int);
1152 dnl ],
1153 dnl [int i;], 
1154 dnl ac_cv_type_signal_handler=void_int,
1155 dnl ac_cv_type_signal_handler=int_void)])
1156 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1157 dnl AC_DEFINE(VOID_INT_SIGNALS)
1158 dnl fi
1159
1160 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1161 AC_TYPE_SIGNAL
1162 if test "$ac_cv_type_signal" = void; then
1163   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1164 fi
1165
1166 dnl ** check for more functions
1167 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1168 AC_CHECK_FUNCS(strcmp)
1169 AC_CHECK_FUNCS(realpath _fullpath)  
1170 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1171 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1172 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1173 AC_CHECK_FUNCS(snprintf  _snprintf )  
1174 AC_CHECK_FUNCS(popen     _popen )  
1175 AC_CHECK_FUNCS(pclose    _pclose )  
1176 AC_CHECK_FUNCS(setenv unsetenv)
1177
1178
1179 dnl ** check for specific library functions that we are interested in
1180 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1181
1182 dnl ** Solaris2 needs additionl flag for getpw*_r()
1183 case "$TargetPlatform" in
1184   *-solaris2*)
1185     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1186     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1187   ;;
1188 esac
1189
1190 dnl ** check whether this machine has gmp3 installed
1191 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1192   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1193     HaveLibGmp=NO; LibGmp=not-installed))
1194 AC_SUBST(HaveLibGmp)
1195 AC_SUBST(LibGmp)
1196
1197 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1198 HaveFrameworkHaskellSupport=NO
1199 if test $HostPlatform = "powerpc-apple-darwin"; then
1200  AC_MSG_CHECKING([for HaskellSupport.framework])
1201  save_libs="$LIBS"
1202  LIBS="-framework HaskellSupport"
1203  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1204  if test $HaveFrameworkHaskellSupport = YES; then
1205   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1206  fi;
1207  LIBS="$save_libs"
1208  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1209 fi;
1210 AC_SUBST(HaveFrameworkHaskellSupport)
1211
1212 dnl ** check for mingwex library
1213 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1214 AC_SUBST(HaveLibMingwEx)
1215
1216 if test $HaveLibMingwEx = YES ; then
1217   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1218 fi
1219
1220 if test "$HaveLibGmp" = "NO"; then
1221 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1222 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1223 fi;
1224 fi;
1225
1226 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1227 dnl    the order of these tests matters: bfd needs liberty
1228 AC_CHECK_LIB(iberty, xmalloc)
1229 AC_CHECK_LIB(bfd,    bfd_init)
1230
1231 dnl ** check for wide-char classifications
1232 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1233 dnl functions if it's really there.
1234 AC_CHECK_HEADERS(wctype.h,
1235   [AC_CHECK_FUNCS(iswspace)]
1236 )
1237
1238 dnl ** check for readline, for Hugs and hslibs' Readline
1239 dnl ncurses supersedes termcap and curses, but for compatibility,
1240 dnl we have to check for all...
1241 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1242   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1243     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1244       HaveLibTermcap=NO; LibTermcap=not-installed)))
1245
1246 if test $HaveLibTermcap = YES ; then
1247   LIBS="-l$LibTermcap $LIBS"
1248   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1249 fi
1250
1251 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1252   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1253   LibsReadline="readline $LibTermcap"
1254 else
1255   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1256   LibsReadline=
1257 fi
1258 AC_SUBST(LibsReadline)
1259
1260 if test "$HaveLibReadline"; then
1261   AC_CHECK_LIB(readline, rl_erase_empty_line,
1262     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1263     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1264   AC_CHECK_LIB(readline, rl_free_undo_list,
1265     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1266     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1267 else
1268   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1269   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1270 fi
1271
1272 dnl ** check for math library
1273 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1274 AC_SUBST([LIBM])
1275
1276 dnl ** check for X Window System
1277 AC_PATH_XTRA()
1278
1279 if test "$no_x" = yes; then
1280   GhcLibsWithX11=NO
1281 else
1282   GhcLibsWithX11=YES
1283 fi
1284 AC_SUBST([GhcLibsWithX11])
1285
1286 dnl ################################################################
1287 dnl Check for libraries
1288 dnl ################################################################
1289
1290 dnl ** check for libdl & RTLD_NEXT
1291
1292 dnl (Mac OS X only) ... but don't check if we already have the
1293 dnl HaskellSupport.framework
1294
1295 if test $HaveFrameworkHaskellSupport = YES; then
1296     HaveLibDL=NO
1297     HaveRtldNext=NO
1298     HaveRtldLocal=YES
1299     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1300     HaveRtldGlobal=YES
1301     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1302     HaveRtldNow=YES
1303     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1304     AC_SUBST(HaveLibDL)
1305     AC_SUBST(HaveRtldNext)
1306     AC_SUBST(HaveRtldLocal)
1307     AC_SUBST(HaveRtldGlobal)
1308     AC_SUBST(HaveRtldNow)
1309 else
1310     AC_CHECK_LIB(dl, dlopen, 
1311         [HaveLibDL=YES
1312          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1313          LIBS="$LIBS -ldl"], 
1314         [HaveLibDL=NO])
1315     AC_CHECK_FUNCS(dlopen)
1316     AC_SUBST(HaveLibDL)
1317
1318     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1319     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1320     AC_EGREP_CPP(yes,
1321     [
1322      #include <dlfcn.h>
1323      #ifdef RTLD_NEXT
1324             yes
1325      #endif
1326     ], [
1327       AC_MSG_RESULT(yes)
1328       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1329       HaveRtldNext=YES
1330     ], [
1331       AC_MSG_RESULT(no)
1332       HaveRtldNext=NO
1333       ])    
1334     AC_SUBST(HaveRtldNext)
1335
1336     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1337     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1338     AC_EGREP_CPP(yes,
1339     [
1340      #include <dlfcn.h>
1341      #ifdef RTLD_LOCAL
1342             yes
1343      #endif
1344     ], [
1345       AC_MSG_RESULT(yes)
1346       AC_DEFINE(HAVE_RTLDLOCAL)
1347       HaveRtldLocal=YES
1348     ], [
1349       AC_MSG_RESULT(no)
1350       HaveRtldLocal=NO
1351       ])    
1352     AC_SUBST(HaveRtldLocal)
1353
1354     dnl ** RTLD_GLOBAL isn't available on openbsd
1355     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1356     AC_EGREP_CPP(yes,
1357     [
1358      #include <dlfcn.h>
1359      #ifdef RTLD_GLOBAL
1360             yes
1361      #endif
1362     ], [
1363       AC_MSG_RESULT(yes)
1364       AC_DEFINE(HAVE_RTLDGLOBAL)
1365       HaveRtldGlobal=YES
1366     ], [
1367       AC_MSG_RESULT(no)
1368       HaveRtldGlobal=NO
1369       ])    
1370     AC_SUBST(HaveRtldGlobal)
1371
1372     dnl ** RTLD_NOW isn't available on openbsd
1373     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1374     AC_EGREP_CPP(yes,
1375     [
1376      #include <dlfcn.h>
1377      #ifdef RTLD_NOW
1378             yes
1379      #endif
1380     ], [
1381       AC_MSG_RESULT(yes)
1382       AC_DEFINE(HAVE_RTLDNOW)
1383       HaveRtldNow=YES
1384     ], [
1385       AC_MSG_RESULT(no)
1386       HaveRtldNow=NO
1387       ])    
1388     AC_SUBST(HaveRtldNow)
1389 fi
1390
1391 dnl ---------- usleep ----------
1392 dnl --- stolen from guile configure ---
1393 dnl --- FIXME: /usr/include/unistd.h can't be right?
1394
1395 ### On some systems usleep has no return value.  If it does have one,
1396 ### we'd like to return it; otherwise, we'll fake it.
1397 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1398   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1399                    /usr/include/unistd.h,
1400                    [cv_func_usleep_return_type=void],
1401                    [cv_func_usleep_return_type=int])])
1402 case "$cv_func_usleep_return_type" in
1403   "void" )
1404     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1405   ;;
1406 esac
1407
1408 dnl --------------------------------------------------
1409 dnl * test for in_addr_t
1410 dnl --------------------------------------------------
1411 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1412 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1413  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1414  AC_MSG_RESULT(no))
1415
1416 dnl --------------------------------------------------
1417 dnl * test for Linux sendfile(2)
1418 dnl --------------------------------------------------
1419 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1420 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1421  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1422  AC_MSG_RESULT(no))
1423
1424 dnl --------------------------------------------------
1425 dnl * test for BSD sendfile(2)
1426 dnl --------------------------------------------------
1427 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1428 AC_EGREP_HEADER(sendfile, sys/socket.h,
1429  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1430  AC_MSG_RESULT(no))
1431
1432 dnl --------------------------------------------------
1433 dnl * test for GTK+
1434 dnl --------------------------------------------------
1435
1436 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1437 if test -n "$GTK_CONFIG"; then
1438   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1439     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1440   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1441     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1442      GTK_CONFIG=])
1443 fi
1444 AC_SUBST([GTK_CONFIG])
1445
1446 dnl --------------------------------------------------
1447 dnl * Miscellaneous feature tests
1448 dnl --------------------------------------------------
1449
1450 dnl ** can we get alloca?
1451 AC_FUNC_ALLOCA
1452
1453 dnl ** Working vfork?
1454 AC_FUNC_VFORK
1455
1456 dnl ** determine whether or not const works
1457 AC_C_CONST
1458
1459 dnl ** are we big endian?
1460 AC_C_BIGENDIAN
1461
1462 dnl ** check for leading underscores in symbol names
1463 FPTOOLS_UNDERSCORE
1464
1465 dnl ** check for ld, and whether ld has -x option
1466 AC_PATH_PROG(LdCmdRaw, ld)
1467 case $HostOS_CPP in
1468  mingw32) 
1469         if test "${OSTYPE}" == "msys"
1470            then
1471              LdCmd=${LdCmdRaw}
1472            else
1473              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1474         fi
1475            ;;
1476  *) LdCmd=${LdCmdRaw}
1477     ;;
1478 esac
1479 AC_SUBST(LdCmd)
1480 FPTOOLS_LD_X
1481
1482 FP_EMPTY_STRUCTS
1483
1484 AC_MSG_CHECKING([for SIGPOLL])
1485 AC_EGREP_CPP(we_have_sigpoll,
1486 [#include <signal.h>
1487 #ifdef SIGPOLL
1488 we_have_sigpoll
1489 #endif
1490 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1491 AC_MSG_RESULT([$haveSIGPOLL])
1492
1493 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1494 AC_EGREP_CPP(we_have_that_sysconf_thing,
1495 [
1496 #include <unistd.h>
1497 #ifdef _SC_GETGR_R_SIZE_MAX
1498 we_have_that_sysconf_thing
1499 #endif
1500 ],
1501 [AC_MSG_RESULT([yes])
1502 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1503 [AC_MSG_RESULT([no])])
1504
1505 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1506 AC_EGREP_CPP(we_have_that_sysconf_thing,
1507 [
1508 #include <unistd.h>
1509 #ifdef _SC_GETPW_R_SIZE_MAX
1510 we_have_that_sysconf_thing
1511 #endif
1512 ],
1513 [AC_MSG_RESULT([yes])
1514 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1515 [AC_MSG_RESULT([no])])
1516
1517 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )