Remove ghc_ge_504 (it's required to be true now anyway)
[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 University of Glasgow 1994-2004
7 #
8 # Configure script template for GHC
9 #
10 # Process with 'autoreconf' 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 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.7], [glasgow-haskell-bugs@haskell.org], [ghc])
17
18 # Set this to YES for a released version, otherwise NO
19 : ${RELEASE=NO}
20
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above.  If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204).  The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository.  If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
28
29 if test ! -f mk/config.h.in; then
30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
31    exit 1
32 fi
33
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
35
36 FP_SETUP_PROJECT_VERSION
37
38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
39 AC_SUBST([release], [1])
40
41 # First off, a distrib sanity check..
42 AC_CONFIG_SRCDIR([mk/config.mk.in])
43
44 dnl * We require autoconf version 2.52
45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
47 AC_PREREQ([2.52])
48
49 # -------------------------------------------------------------------------
50 # Prepare to generate the following header files
51 #
52 #
53 AC_CONFIG_HEADER(mk/config.h)
54
55 # No, semi-sadly, we don't do `--srcdir'...
56 if test x"$srcdir" != 'x.' ; then
57     echo "This configuration does not support the \`--srcdir' option.."
58     exit 1
59 fi
60
61 dnl--------------------------------------------------------------------
62 dnl * Deal with arguments telling us gmp is somewhere odd
63 dnl--------------------------------------------------------------------
64
65 FP_ARG_GMP
66
67 GMP_INCLUDE_DIRS=
68 GMP_LIB_DIRS=
69 if test "x$gmp_libraries" != "xNONE"; then
70   LDFLAGS="-L$gmp_libraries $LDFLAGS"
71   GMP_LIB_DIRS=$gmp_libraries
72 fi
73 if test "x$gmp_includes" != "xNONE"; then
74   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
75   GMP_INCLUDE_DIRS=$gmp_includes
76 fi
77 AC_SUBST(GMP_INCLUDE_DIRS)
78 AC_SUBST(GMP_LIB_DIRS)
79
80 dnl--------------------------------------------------------------------
81 dnl * Choose host(/target/build) platform
82 dnl--------------------------------------------------------------------
83
84 dnl Guess host/target/build platform(s) if necessary.
85 AC_CANONICAL_TARGET
86
87 # "$host" defaults to "$target"
88 if test "x$host" = xNONE ; then
89     host=$target
90 fi
91
92 dnl ** canonicalize platform names
93 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
94 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
95 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
96
97 if test x"$TargetPlatform" != x"$HostPlatform" ; then
98     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
99     exit 1
100 fi
101
102 exeext=''
103 #
104 # The following will be more difficult when we *are* cross-compiling.
105 # Suitable names to slam in *_CPP are in platform.h.in.
106 # We also record the architecture, vendor, and operating system (OS)
107 # separately.
108 case $HostPlatform in
109 alpha*-dec-osf[[12]]*)
110         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
111         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
112         BuildPlatform=alpha-dec-osf1  # hack
113         HostPlatform_CPP='alpha_dec_osf1'
114         HostArch_CPP='alpha'
115         HostVendor_CPP='dec'
116         HostOS_CPP='osf1'
117         ;;
118 alpha*-dec-osf[[345]]*)
119         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
120         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
121         BuildPlatform=alpha-dec-osf3  # hack
122         HostPlatform_CPP='alpha_dec_osf3'
123         HostArch_CPP='alpha'
124         HostVendor_CPP='dec'
125         HostOS_CPP='osf3'
126         ;;
127 alpha*-unknown-linux*)
128         HostPlatform=alpha-unknown-linux
129         TargetPlatform=alpha-unknown-linux
130         BuildPlatform=alpha-unknown-linux
131         HostPlatform_CPP='alpha_unknown_linux'
132         HostArch_CPP='alpha'
133         HostVendor_CPP='unknown'
134         HostOS_CPP='linux'
135         ;;
136 alpha*-unknown-freebsd*)
137         HostPlatform=alpha-unknown-freebsd
138         TargetPlatform=alpha-unknown-freebsd
139         BuildPlatform=alpha-unknown-freebsd
140         HostPlatform_CPP='alpha_unknown_freebsd'
141         HostArch_CPP='alpha'
142         HostVendor_CPP='unknown'
143         HostOS_CPP='freebsd'
144         ;;
145 alpha*-unknown-openbsd*)
146         HostPlatform=alpha-unknown-openbsd
147         TargetPlatform=alpha-unknown-openbsd
148         BuildPlatform=alpha-unknown-openbsd
149         HostPlatform_CPP='alpha_unknown_openbsd'
150         HostArch_CPP='alpha'
151         HostVendor_CPP='unknown'
152         HostOS_CPP='openbsd'
153         ;;
154 amd64-*-openbsd*|x86_64-*-openbsd*)
155         HostPlatform=x86_64-unknown-openbsd
156         TargetPlatform=x86_64-unknown-openbsd
157         BuildPlatform=x86_64-unknown-openbsd
158         HostPlatform_CPP='x86_64_unknown_openbsd'
159         HostArch_CPP='x86_64'
160         HostVendor_CPP='unknown'
161         HostOS_CPP='openbsd'
162         ;;
163 amd64-*-freebsd*)
164         HostPlatform=x86_64-unknown-freebsd
165         TargetPlatform=x86_64-unknown-freebsd
166         BuildPlatform=x86_64-unknown-freebsd
167         HostPlatform_CPP='x86_64_unknown_freebsd'
168         HostArch_CPP='x86_64'
169         HostVendor_CPP='unknown'
170         HostOS_CPP='freebsd'
171         ;;
172 arm*-linux*)
173         HostPlatform=arm-unknown-linux # hack again
174         TargetPlatform=arm-unknown-linux
175         BuildPlatform=arm-unknown-linux
176         HostPlatform_CPP='arm_unknown_linux'
177         HostArch_CPP='arm'
178         HostVendor_CPP='unknown'
179         HostOS_CPP='linux'
180         ;;
181 arm*-openbsd*)
182         HostPlatform=arm-unknown-openbsd
183         TargetPlatform=arm-unknown-openbsd
184         BuildPlatform=arm-unknown-openbsd
185         HostPlatform_CPP='arm_unknown_openbsd'
186         HostArch_CPP='arm'
187         HostVendor_CPP='unknown'
188         HostOS_CPP='openbsd'
189         ;;
190 hppa*-*-linux*)
191         HostPlatform=hppa-unknown-linux # hack again
192         TargetPlatform=hppa-unknown-linux
193         BuildPlatform=hppa-unknown-linux
194         HostPlatform_CPP='hppa_unknown_linux'
195         HostArch_CPP='hppa'
196         HostVendor_CPP='unknown'
197         HostOS_CPP='linux'
198         ;;
199 hppa*-*-openbsd*)
200         HostPlatform=hppa-unknown-openbsd # hack again
201         TargetPlatform=hppa-unknown-openbsd
202         BuildPlatform=hppa-unknown-openbsd
203         HostPlatform_CPP='hppa_unknown_openbsd'
204         HostArch_CPP='hppa'
205         HostVendor_CPP='unknown'
206         HostOS_CPP='openbsd'
207         ;;
208 hppa1.1-hp-hpux*)
209         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
210         TargetPlatform=hppa1.1-hp-hpux
211         BuildPlatform=hppa1.1-hp-hpux
212         HostPlatform_CPP='hppa1_1_hp_hpux'
213         HostArch_CPP='hppa1_1'
214         HostVendor_CPP='hp'
215         HostOS_CPP='hpux'
216         ;;
217 i[[3456]]86-*-linuxaout*)
218         HostPlatform=i386-unknown-linuxaout   # hack again
219         TargetPlatform=i386-unknown-linuxaout
220         BuildPlatform=i386-unknown-linuxaout
221         HostPlatform_CPP='i386_unknown_linuxaout'
222         HostArch_CPP='i386'
223         HostVendor_CPP='unknown'
224         HostOS_CPP='linuxaout'
225         ;;
226 i[[3456]]86-*-linux*)
227         HostPlatform=i386-unknown-linux # hack again
228         TargetPlatform=i386-unknown-linux
229         BuildPlatform=i386-unknown-linux
230         HostPlatform_CPP='i386_unknown_linux'
231         HostArch_CPP='i386'
232         HostVendor_CPP='unknown'
233         HostOS_CPP='linux'
234         ;;
235 i[[3456]]86-*-kfreebsd*-gnu)
236         HostPlatform=i386-unknown-kfreebsdgnu # hack again
237         TargetPlatform=i386-unknown-kfreebsdgnu
238         BuildPlatform=i386-unknown-kfreebsdgnu
239         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
240         HostArch_CPP='i386'
241         HostVendor_CPP='unknown'
242         HostOS_CPP='kfreebsdgnu'
243         ;;
244 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
245         HostPlatform=i386-unknown-freebsd # hack again
246         TargetPlatform=i386-unknown-freebsd
247         BuildPlatform=i386-unknown-freebsd
248         HostPlatform_CPP='i386_unknown_freebsd'
249         HostArch_CPP='i386'
250         HostVendor_CPP='unknown'
251         HostOS_CPP='freebsd'
252         ;;
253 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
254         HostPlatform=i386-unknown-freebsd2 # hack again
255         TargetPlatform=i386-unknown-freebsd2
256         BuildPlatform=i386-unknown-freebsd2
257         HostPlatform_CPP='i386_unknown_freebsd2'
258         HostArch_CPP='i386'
259         HostVendor_CPP='unknown'
260         HostOS_CPP='freebsd2'
261         ;;
262 i[[3456]]86-*-netbsd*)
263         HostPlatform=i386-unknown-netbsd # hack again
264         TargetPlatform=i386-unknown-netbsd
265         BuildPlatform=i386-unknown-netbsd
266         HostPlatform_CPP='i386_unknown_netbsd'
267         HostArch_CPP='i386'
268         HostVendor_CPP='unknown'
269         HostOS_CPP='netbsd'
270         ;;
271 i[[3456]]86-*-openbsd*)
272         HostPlatform=i386-unknown-openbsd # hack again
273         TargetPlatform=i386-unknown-openbsd
274         BuildPlatform=i386-unknown-openbsd
275         HostPlatform_CPP='i386_unknown_openbsd'
276         HostArch_CPP='i386'
277         HostVendor_CPP='unknown'
278         HostOS_CPP='openbsd'
279         ;;
280 i[[3456]]86-*-solaris2*)
281         HostPlatform=i386-unknown-solaris2 # hack again
282         TargetPlatform=i386-unknown-solaris2
283         BuildPlatform=i386-unknown-solaris2
284         HostPlatform_CPP='i386_unknown_solaris2'
285         HostArch_CPP='i386'
286         HostVendor_CPP='unknown'
287         HostOS_CPP='solaris2'
288         ;;
289 i[[3456]]86-*-cygwin*)
290         HostPlatform=i386-unknown-cygwin32 # hack again
291         TargetPlatform=i386-unknown-cygwin32
292         BuildPlatform=i386-unknown-cygwin32
293         HostPlatform_CPP='i386_unknown_cygwin32'
294         HostArch_CPP='i386'
295         HostVendor_CPP='unknown'
296         HostOS_CPP='cygwin32'
297         exeext='.exe'
298         ;;
299 i[[3456]]86-*-mingw32*)
300         HostPlatform=i386-unknown-mingw32 # hack again
301         TargetPlatform=i386-unknown-mingw32
302         BuildPlatform=i386-unknown-mingw32
303         HostPlatform_CPP='i386_unknown_mingw32'
304         HostArch_CPP='i386'
305         HostVendor_CPP='unknown'
306         HostOS_CPP='mingw32'
307         exeext='.exe'
308         ;;
309 i[[3456]]86-apple-darwin*)
310         HostPlatform=i386-apple-darwin
311         TargetPlatform=i386-apple-darwin #hack
312         BuildPlatform=i386-apple-darwin #hack
313         HostPlatform_CPP='i386_apple_darwin'
314         HostArch_CPP='i386'
315         HostVendor_CPP='apple'
316         HostOS_CPP='darwin'
317         ;;
318 i[[3456]]86-*-gnu*)
319         HostPlatform=i386-unknown-gnu
320         TargetPlatform=i386-unknown-gnu
321         BuildPlatform=i386-unknown-gnu
322         HostPlatform_CPP=i386_unknown_gnu
323         HostArch_CPP=i386
324         HostVendor_CPP=unknown
325         HostOS_CPP=gnu
326         ;;
327 ia64-*-linux*)
328         HostPlatform=ia64-unknown-linux # hack again
329         TargetPlatform=ia64-unknown-linux
330         BuildPlatform=ia64-unknown-linux
331         HostPlatform_CPP='ia64_unknown_linux'
332         HostArch_CPP='ia64'
333         HostVendor_CPP='unknown'
334         HostOS_CPP='linux'
335         ;;
336 x86_64-*-linux*)
337         HostPlatform=x86_64-unknown-linux
338         TargetPlatform=x86_64-unknown-linux
339         BuildPlatform=x86_64-unknown-linux
340         HostPlatform_CPP='x86_64_unknown_linux'
341         HostArch_CPP='x86_64'
342         HostVendor_CPP='unknown'
343         HostOS_CPP='linux'
344         ;;
345 x86_64-apple-darwin*)
346         HostPlatform=x86_64-apple-darwin
347         TargetPlatform=x86_64-apple-darwin
348         BuildPlatform=x86_64-apple-darwin
349         HostPlatform_CPP='x86_64_apple_darwin'
350         HostArch_CPP='x86_64'
351         HostVendor_CPP='apple'
352         HostOS_CPP='darwin'
353         ;;
354 m68k-*-linux*)
355         HostPlatform=m68k-unknown-linux # hack again
356         TargetPlatform=m68k-unknown-linux
357         BuildPlatform=m68k-unknown-linux
358         HostPlatform_CPP='m68k_unknown_linux'
359         HostArch_CPP='m68k'
360         HostVendor_CPP='unknown'
361         HostOS_CPP='linux'
362         ;;
363 m68k-next-nextstep2)
364         HostPlatform_CPP='m68k_next_nextstep2'
365         HostArch_CPP='m68k'
366         HostVendor_CPP='next'
367         HostOS_CPP='nextstep2'
368         ;;
369 m68k-next-nextstep3)
370         HostPlatform_CPP='m68k_next_nextstep3'
371         HostArch_CPP='m68k'
372         HostVendor_CPP='next'
373         HostOS_CPP='nextstep3'
374         ;;
375 i[[3456]]86-next-nextstep3)
376         HostPlatform=i386-next-nextstep3 # hack again
377         TargetPlatform=i386-next-nextstep3
378         BuildPlatform=i386-next-nextstep3
379         HostPlatform_CPP='i386_next_nextstep3'
380         HostArch_CPP='i386'
381         HostVendor_CPP='next'
382         HostOS_CPP='nextstep3'
383         ;;
384 m68k-*-openbsd*)
385         HostPlatform=m68k-unknown-openbsd
386         TargetPlatform=m68k-unknown-openbsd
387         BuildPlatform=m68k-unknown-openbsd
388         HostPlatform_CPP='m68k_unknown_openbsd'
389         HostArch_CPP='m68k'
390         HostVendor_CPP='unknown'
391         HostOS_CPP='openbsd'
392         ;;
393 m68k-*-netbsd*)
394         HostPlatform=m68k-unknown-netbsd
395         TargetPlatform=m68k-unknown-netbsd
396         BuildPlatform=m68k-unknown-netbsd
397         HostPlatform_CPP='m68k_unknown_netbsd'
398         HostArch_CPP='m68k'
399         HostVendor_CPP='unknown'
400         HostOS_CPP='netbsd'
401         ;;
402 m68k-sun-sunos4*)
403         HostPlatform=m68k-sun-sunos4
404         TargetPlatform=m68k-sun-sunos4 #hack
405         BuildPlatform=m68k-sun-sunos4 #hack
406         HostPlatform_CPP='m68k_sun_sunos4'
407         HostArch_CPP='m68k'
408         HostVendor_CPP='sun'
409         HostOS_CPP='sunos4'
410         ;;
411 m88k-*-openbsd*)
412         HostPlatform=m88k-unknown-openbsd
413         TargetPlatform=m88k-unknown-openbsd
414         BuildPlatform=m88k-unknown-openbsd
415         HostPlatform_CPP='m88k_unknown_openbsd'
416         HostArch_CPP='m88k'
417         HostVendor_CPP='unknown'
418         HostOS_CPP='openbsd'
419         ;;
420 mips-*-linux*)
421         HostPlatform=mips-unknown-linux # hack again
422         TargetPlatform=mips-unknown-linux
423         BuildPlatform=mips-unknown-linux
424         HostPlatform_CPP='mips_unknown_linux'
425         HostArch_CPP='mips'
426         HostVendor_CPP='unknown'
427         HostOS_CPP='linux'
428         ;;
429 mipsel-*-linux*)
430         HostPlatform=mipsel-unknown-linux # hack again
431         TargetPlatform=mipsel-unknown-linux
432         BuildPlatform=mipsel-unknown-linux
433         HostPlatform_CPP='mipsel_unknown_linux'
434         HostArch_CPP='mipsel'
435         HostVendor_CPP='unknown'
436         HostOS_CPP='linux'
437         ;;
438 mips-dec-ultrix*)
439         HostPlatform_CPP='mips_dec_ultrix'
440         HostArch_CPP='mipsel'   # NB a little different
441         HostVendor_CPP='dec'
442         HostOS_CPP='ultrix'
443         ;;
444 mips-sgi-irix*)
445         HostPlatform=mips-sgi-irix
446         TargetPlatform=mips-sgi-irix #hack
447         BuildPlatform=mips-sgi-irix #hack
448         HostPlatform_CPP='mips_sgi_irix'
449         HostArch_CPP='mipseb'   # NB a little different
450         HostVendor_CPP='sgi'
451         HostOS_CPP='irix'
452         ;;
453 rs6000-ibm-aix*)
454         HostPlatform=rs6000-ibm-aix
455         TargetPlatform=rs6000-ibm-aix #hack
456         BuildPlatform=rs6000-ibm-aix #hack
457         HostPlatform_CPP='rs6000_ibm_aix'
458         HostArch_CPP='rs6000'
459         HostVendor_CPP='ibm'
460         HostOS_CPP='aix'
461         ;;
462 powerpc-ibm-aix*)
463         HostPlatform=powerpc-ibm-aix
464         TargetPlatform=powerpc-ibm-aix #hack
465         BuildPlatform=powerpc-ibm-aix #hack
466         HostPlatform_CPP='powerpc_ibm_aix'
467         HostArch_CPP='powerpc'
468         HostVendor_CPP='ibm'
469         HostOS_CPP='aix'
470         ;;
471 powerpc-apple-darwin*)
472         HostPlatform=powerpc-apple-darwin
473         TargetPlatform=powerpc-apple-darwin #hack
474         BuildPlatform=powerpc-apple-darwin #hack
475         HostPlatform_CPP='powerpc_apple_darwin'
476         HostArch_CPP='powerpc'
477         HostVendor_CPP='apple'
478         HostOS_CPP='darwin'
479         ;;
480 powerpc-unknown-linux*)
481         HostPlatform=powerpc-unknown-linux
482         TargetPlatform=powerpc-unknown-linux
483         BuildPlatform=powerpc-unknown-linux
484         HostPlatform_CPP='powerpc_unknown_linux'
485         HostArch_CPP='powerpc'
486         HostVendor_CPP='unknown'
487         HostOS_CPP='linux'
488         ;;
489 powerpc-unknown-openbsd*)
490         HostPlatform=powerpc-unknown-openbsd
491         TargetPlatform=powerpc-unknown-openbsd
492         BuildPlatform=powerpc-unknown-openbsd
493         HostPlatform_CPP='powerpc_unknown_openbsd'
494         HostArch_CPP='powerpc'
495         HostVendor_CPP='unknown'
496         HostOS_CPP='openbsd'
497         ;;
498 powerpc64-unknown-linux*)
499         HostPlatform=powerpc64-unknown-linux
500         TargetPlatform=powerpc64-unknown-linux
501         BuildPlatform=powerpc64-unknown-linux
502         HostPlatform_CPP='powerpc64_unknown_linux'
503         HostArch_CPP='powerpc64'
504         HostVendor_CPP='unknown'
505         HostOS_CPP='linux'
506         ;;
507
508 s390-ibm-linux*)
509        HostPlatform=s390-ibm-linux
510        TargetPlatform=s390-ibm-linux #hack
511        BuildPlatform=s390-ibm-linux #hack
512         HostPlatform_CPP='s390_ibm_linux'
513         HostArch_CPP='s390'
514         HostVendor_CPP='ibm'
515         HostOS_CPP='linux'
516         ;;
517 sparc-sun-sunos4*)
518         HostPlatform=sparc-sun-sunos4
519         TargetPlatform=sparc-sun-sunos4 #hack
520         BuildPlatform=sparc-sun-sunos4 #hack
521         HostPlatform_CPP='sparc_sun_sunos4'
522         HostArch_CPP='sparc'
523         HostVendor_CPP='sun'
524         HostOS_CPP='sunos4'
525         ;;
526 sparc-sun-solaris2*)
527         HostPlatform=sparc-sun-solaris2
528         TargetPlatform=sparc-sun-solaris2 #hack
529         BuildPlatform=sparc-sun-solaris2 #hack
530         HostPlatform_CPP='sparc_sun_solaris2'
531         HostArch_CPP='sparc'
532         HostVendor_CPP='sun'
533         HostOS_CPP='solaris2'
534         ;;
535 sparc*-linux*)
536         HostPlatform=sparc-unknown-linux
537         TargetPlatform=sparc-unknown-linux
538         BuildPlatform=sparc-unknown-linux
539         HostPlatform_CPP='sparc_unknown_linux'
540         HostArch_CPP='sparc'
541         HostVendor_CPP='unknown'
542         HostOS_CPP='linux'
543         ;;
544 sparc-*-openbsd*)
545         HostPlatform=sparc-unknown-openbsd
546         TargetPlatform=sparc-unknown-openbsd
547         BuildPlatform=sparc-unknown-openbsd
548         HostPlatform_CPP='sparc_unknown_openbsd'
549         HostArch_CPP='sparc'
550         HostVendor_CPP='unknown'
551         HostOS_CPP='openbsd'
552         ;;
553 sparc64-*-openbsd*)
554         HostPlatform=sparc64-unknown-openbsd
555         TargetPlatform=sparc64-unknown-openbsd
556         BuildPlatform=sparc64-unknown-openbsd
557         HostPlatform_CPP='sparc64_unknown_openbsd'
558         HostArch_CPP='sparc64'
559         HostVendor_CPP='unknown'
560         HostOS_CPP='openbsd'
561         ;;
562 vax-*-openbsd*)
563         HostPlatform=vax-unknown-openbsd
564         TargetPlatform=vax-unknown-openbsd
565         BuildPlatform=vax-unknown-openbsd
566         HostPlatform_CPP='vax_unknown_openbsd'
567         HostArch_CPP='vax'
568         HostVendor_CPP='unknown'
569         HostOS_CPP='openbsd'
570         ;;
571 *)
572         echo "Unrecognised platform: $HostPlatform"
573         exit 1
574         ;;
575 esac
576 echo "Canonicalised to: $HostPlatform"
577 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
578 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
579
580 BuildPlatform_CPP=$HostPlatform_CPP
581 TargetPlatform_CPP=$HostPlatform_CPP
582 BuildArch_CPP=$HostArch_CPP
583 TargetArch_CPP=$HostArch_CPP
584 BuildOS_CPP=$HostOS_CPP
585 HostOS_Full=$host_os
586 TargetOS_CPP=$HostOS_CPP
587 BuildVendor_CPP=$HostVendor_CPP
588 TargetVendor_CPP=$HostVendor_CPP
589
590 AC_SUBST(BuildPlatform)
591 AC_SUBST(HostPlatform)
592 AC_SUBST(TargetPlatform)
593 AC_SUBST(HostPlatform_CPP)
594 AC_SUBST(BuildPlatform_CPP)
595 AC_SUBST(TargetPlatform_CPP)
596
597 AC_SUBST(HostArch_CPP)
598 AC_SUBST(BuildArch_CPP)
599 AC_SUBST(TargetArch_CPP)
600
601 AC_SUBST(HostOS_CPP)
602 AC_SUBST(HostOS_Full)
603 AC_SUBST(BuildOS_CPP)
604 AC_SUBST(TargetOS_CPP)
605
606 AC_SUBST(HostVendor_CPP)
607 AC_SUBST(BuildVendor_CPP)
608 AC_SUBST(TargetVendor_CPP)
609
610 AC_SUBST(exeext)
611
612 dnl --------------------------------------------------------------
613 dnl * Calculate absolute path to build tree
614 dnl --------------------------------------------------------------
615
616 AC_MSG_CHECKING(for path to top of build tree)
617
618 hardtop=`pwd`
619
620 dnl Remove common automounter nonsense
621 dnl
622 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
623
624 dnl Find 'hardtop_plat', the native format for 'hardtop'
625 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes
626 dnl being escaped).
627 dnl
628 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert
629 dnl              /cygdrive/c/foo to c:/foo but we must not do that if we
630 dnl              aren't building using Cygwin (notably msys), because
631 dnl              cygpath doesn't exist.  It seems that 'bash' sets
632 dnl              OSTYPE to 'cygwin' or 'msys' respectively, but cygwin's
633 dnl              'sh' does not.  So we hackily assume that if the shell
634 dnl              hasn't set it to 'msys' then we must be in Cygwin.
635 dnl              Sigh.
636 dnl
637 dnl              The Right Thing is probably to test $BuildPlatform
638 dnl              instead, but we are sloppy about setting that correctly
639 dnl              at the moment, so we just work around for now.
640 dnl
641 dnl              The quotes round "$(OSTYPE)" are essential, for the
642 dnl              Cygwin-sh case where OSTYPE is not set.
643 case $HostPlatform in
644   i386-unknown-mingw32 | i386-unknown-cygwin32)
645         if test "${OSTYPE}" != "msys"
646           then
647             # convert $hardtop to a path that mingw will understand too
648             cyghardtop=${hardtop}
649             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
650             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
651           else
652 dnl OK, so we're in the MSYS case.  hardtop looks like /c/....
653 dnl We want to make hardtop_plat into c:/...
654 dnl Stop using [] for quotes temporarily, so we can use [] in the sed regexp
655 changequote(, )dnl
656                hardtop_plat=`echo ${hardtop} | sed -e 's@^/\\([a-zA-Z]\\)/@\\1:/@g'`
657 changequote([, ])dnl
658         fi
659         ;;
660   *)
661         hardtop_plat=${hardtop}
662         ;;
663 esac
664 AC_SUBST(hardtop)
665 AC_SUBST(hardtop_plat)
666
667 AC_MSG_RESULT(${hardtop})
668
669 # We don't support building in directories with spaces.
670 case "$hardtop" in
671   *' '*) AC_MSG_ERROR([
672    The build system does not support building in a directory containing
673    space characters.  Suggestion: move the build tree somewhere else.])
674  ;;
675 esac
676
677 dnl --------------------------------------------------------------
678 dnl * Project specific configuration options
679 dnl --------------------------------------------------------------
680 dnl What follows is a bunch of options that can either be configured
681 dnl through command line options to the configure script or by
682 dnl supplying defns in the build tree's mk/build.mk. Having the option to
683 dnl use either is considered a Feature.
684
685 dnl ** What command to use to compile compiler sources ?
686 dnl --------------------------------------------------------------
687
688 AC_ARG_WITH([ghc],
689 [AC_HELP_STRING([--with-ghc=ARG],
690   [Use ARG as the path to GHC  [default=autodetect]])],
691   [WithGhc="$withval"],
692   [if test "$GHC" = ""; then
693     AC_PATH_PROG([GHC], [ghc])
694   fi
695   WithGhc="$GHC"])
696 AC_SUBST([WithGhc])
697
698 AC_ARG_WITH(hc,
699 [AC_HELP_STRING([--with-hc=ARG],
700         [Use ARG as the path to the compiler for compiling ordinary
701          Haskell code  (default= value of --with-ghc)])],
702 [WithHc="$withval"],
703 [WithHc=$WithGhc]
704 )
705 AC_SUBST(WithHc)
706
707 if test "$WithGhc" != ""; then
708   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
709   AC_SUBST(GhcVersion)dnl
710   AC_SUBST(GhcMajVersion)dnl
711   AC_SUBST(GhcMinVersion)dnl
712   AC_SUBST(GhcPatchLevel)dnl
713   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
714   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
715   if test $GhcCanonVersion -ge 601; then ghc_ge_601=YES; else ghc_ge_601=NO; fi
716   if test $GhcCanonVersion -ge 602; then ghc_ge_602=YES; else ghc_ge_602=NO; fi
717   if test $GhcCanonVersion -ge 603; then ghc_ge_603=YES; else ghc_ge_603=NO; fi
718   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
719   AC_SUBST(ghc_ge_601)dnl
720   AC_SUBST(ghc_ge_602)dnl
721   AC_SUBST(ghc_ge_603)dnl
722   AC_SUBST(ghc_ge_605)dnl
723 fi
724
725 # Check whether this GHC has readline installed
726 FP_GHC_HAS_READLINE
727
728 AC_PATH_PROGS(NHC,nhc nhc98)
729 AC_PATH_PROG(HBC,hbc)
730
731 dnl ** Which gcc to use?
732 dnl --------------------------------------------------------------
733 AC_ARG_WITH(gcc,
734 [AC_HELP_STRING([--with-gcc=ARG],
735         [Use ARG as the path to GCC  [default=autodetect]])],
736 [WhatGccIsCalled="$withval"
737  if test "x$HostPlatform" = "xi386-unknown-mingw32"
738     then
739        if test "${OSTYPE}" != "msys"
740          then
741          # Canonicalise to <drive>:/path/to/gcc
742          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
743        fi
744  fi;
745  CC="$withval"
746  export CC
747  ],
748 [WhatGccIsCalled="gcc"]
749 )
750 AC_SUBST(WhatGccIsCalled)
751
752 dnl ** Which ld to use?
753 dnl --------------------------------------------------------------
754 AC_ARG_WITH(ld,
755 [AC_HELP_STRING([--with-ld=ARG],
756         [Use ARG as the path to LD  [default=autodetect]])],
757 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
758     then
759        if test "${OSTYPE}" != "msys"
760          then
761          # Canonicalise to <drive>:/path/to/ld
762          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
763        fi
764  fi;
765  LD=$withval
766  FP_PROG_LD([$LD])
767  ],
768  [FP_PROG_LD()]
769 )
770
771 dnl ** Booting from .hc files?
772 dnl --------------------------------------------------------------
773 AC_ARG_ENABLE(hc-boot,
774 [AC_HELP_STRING([--enable-hc-boot],
775 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
776  (This option is mostly of interest to porters.) [default=no]])],
777 [ if test x"$enableval" = x"yes"; then
778         BootingFromHc=YES
779   else
780         BootingFromHc=NO
781   fi
782 ],
783 [BootingFromHc=NO]
784 )
785 AC_SUBST(BootingFromHc)
786
787 dnl ** Booting from unregisterised .hc files?
788 dnl --------------------------------------------------------------
789 AC_ARG_ENABLE(hc-boot-unregisterised,
790 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
791 [ With --enable-hc-boot, treat the intermediate .hc files as
792  unregisterised rather than registerised code.
793  (This option is mostly of interest to porters.) [default=no]])],
794 [ if test x"$enableval" = x"yes"; then
795         BootingFromUnregisterisedHc=YES
796   else
797         BootingFromUnregisterisedHc=NO
798   fi
799 ],
800 [BootingFromUnregisterisedHc=NO]
801 )
802 AC_SUBST(BootingFromUnregisterisedHc)
803
804 if test "$BootingFromHc" = "NO"; then
805 if test "$BootingFromUnregisterisedHc" = "YES"; then
806 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
807 fi;
808 fi;
809
810 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
811 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
812 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
813 fi;
814
815 dnl ** Enable the construction of Win32 DLLs?
816 dnl --------------------------------------------------------------
817 dnl
818 dnl [ The ability to build the RTS and libraries as separate DLLs used
819 dnl   to be supported, but isn't currently (updates to the RTS, compiler
820 dnl   and build system would be required to bring it back again.)
821 dnl   Hence, exposing it as an option is false advertisement, so better
822 dnl   disable it to avoid confusion (but leave it commented-out rather
823 dnl   than removed in order to remind ourselves to bring back the
824 dnl   feature at some stage.) ]
825 dnl
826 dnl AC_ARG_ENABLE(win32-dlls,
827 dnl [  --enable-win32-dlls
828 dnl         If on a Win32 platform running mingw32/cygwin, enable the
829 dnl         construction of DLLs containing ghc-compiled code.
830 dnl ],
831 dnl [
832 dnl case $HostOS_CPP in
833 dnl cygwin32) ;;
834 dnl mingw32)  ;;
835 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
836 dnl       exit 1
837 dnl       ;;
838 dnl esac
839 dnl EnableWin32DLLs=YES
840 dnl ],
841 dnl [EnableWin32DLLs=NO]
842 dnl )
843 dnl AC_SUBST(EnableWin32DLLs)
844 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
845 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
846 dnl fi
847
848 dnl ** Enable the building of the ObjectIO?
849 dnl --------------------------------------------------------------
850 AC_ARG_ENABLE(objectio,
851 [AC_HELP_STRING([--enable-objectio],
852 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
853 [ if test x"$enableval" = x"yes"; then
854         GhcLibsWithObjectIO=YES
855   else
856         GhcLibsWithObjectIO=NO
857   fi
858 ],
859 [GhcLibsWithObjectIO=NO]
860 )
861 AC_SUBST(GhcLibsWithObjectIO)
862
863 dnl ** .NET interop support?
864 dnl --------------------------------------------------------------
865 AC_ARG_ENABLE(dotnet,
866 [AC_HELP_STRING([--enable-dotnet],
867 [Build .NET interop layer. [default=no]])],
868 [ if test x"$enableval" = x"yes"; then
869         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
870   else
871         DotnetSupport=NO
872   fi],
873 [DotnetSupport=NO]
874 )
875 AC_SUBST(DotnetSupport)
876
877 dnl --------------------------------------------------------------
878 dnl End of configure script option section
879 dnl --------------------------------------------------------------
880
881
882 dnl --------------------------------------------------------------
883 dnl * General configuration checks
884 dnl --------------------------------------------------------------
885
886 dnl ** Can the unix package be built?
887 dnl --------------------------------------------------------------
888
889 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
890    GhcLibsWithUnix=NO
891 else
892    GhcLibsWithUnix=YES
893 fi
894 AC_SUBST([GhcLibsWithUnix])
895
896 dnl ** does #! work?
897 AC_SYS_INTERPRETER()
898
899 dnl ** look for `perl', but only in /bin on Windows
900 case $HostOS_CPP in
901 cygwin32|mingw32)
902       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
903       if test -z "$PerlCmd"; then
904          echo "You must install the version of Perl shipped with GHC"
905          echo "(or a compatible one) in /bin."
906          exit 1
907       fi
908    ;;
909 *)
910    AC_PATH_PROG(PerlCmd,perl)
911    if test -z "$PerlCmd"; then
912       echo "You must install perl before you can continue"
913       echo "Perhaps it is already installed, but not in your PATH?"
914       exit 1
915    else
916    FPTOOLS_CHECK_PERL_VERSION
917    fi
918    ;;
919 esac
920
921 dnl ** does #! path/to/perl work? (sometimes it's too long...)
922 FPTOOLS_SHEBANG_PERL
923
924 dnl ** check for Python
925 AC_PATH_PROG(PythonCmd,python)
926
927 dnl ** look for GCC and find out which version
928 dnl     Figure out which C compiler to use.  Gcc is preferred.
929 dnl     If gcc, make sure it's at least 2.1
930 dnl
931 FP_HAVE_GCC
932 FP_MINGW_GCC
933 FP_GCC_NEEDS_NO_OMIT_LFPTR
934 FP_GCC_HAS_NO_UNIT_AT_A_TIME
935 FP_GCC_HAS_WRAPV
936
937 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
938 AC_PROG_CPP
939
940 dnl ** Without optimization some INLINE trickery fails for GHCi
941 SRC_CC_OPTS="-O"
942
943 dnl ** Try to add -mno-cygwin to the C compiler options
944 FP_CHECK_FLAG([-mno-cygwin], [
945 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
946 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
947 AC_SUBST(SRC_CC_OPTS)
948
949 dnl ** figure out how to do context diffs
950 FP_PROG_CONTEXT_DIFF
951
952 dnl ** Find find command (for Win32's benefit)
953 FP_PROG_FIND
954
955 dnl ** Find sort command (for the benefit of Win32 environs)
956 FP_PROG_SORT
957
958 dnl ** figure out how to do a BSD-ish install
959 AC_PROG_INSTALL
960 dnl Let's make sure install-sh is executable here.  If we got it from
961 dnl a darcs repo, it might not be (see bug #978).
962 chmod +x install-sh
963
964 dnl If you can run configure, you certainly have /bin/sh
965 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
966
967 dnl ** how to invoke `ar' and `ranlib'
968 FP_PROG_AR_NEEDS_RANLIB
969 FP_PROG_AR_SUPPORTS_INPUT
970
971 dnl ** Check to see whether ln -s works
972 AC_PROG_LN_S
973
974
975 dnl ** Find the path to sed
976 AC_PATH_PROG(SedCmd,sed)
977
978
979 dnl ** check for time command
980 AC_PATH_PROG(TimeCmd,time)
981
982 dnl ** check for tar
983 dnl   if GNU tar is named gtar, look for it first.
984 AC_PATH_PROGS(TarCmd,gtar tar,tar)
985
986 dnl ** check for DocBook toolchain
987 FP_CHECK_DOCBOOK_DTD
988 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
989 FP_PROG_FO_PROCESSOR
990
991 dnl ** check for ghc-pkg command
992 FP_PROG_GHC_PKG
993
994 AC_ARG_WITH(greencard,
995 [AC_HELP_STRING([--with-greencard=ARG],
996         [Use ARG as the path to greencard  [default=autodetct]])],
997 [
998 GreenCardCmd=$withval;
999 FPTOOLS_GREENCARD(3.00)
1000 ]
1001 )
1002
1003 dnl ** check for installed happy binary + version
1004 dnl    (don't do it if we're booting from .hc files though.)
1005 if test "$BootingFromHc" = "NO"; then
1006 FPTOOLS_HAPPY
1007 fi;
1008
1009 dnl ** check for installed haddock
1010 FPTOOLS_HADDOCK
1011
1012 dnl ** check for installed alex binary + version
1013 dnl    (don't do it if we're booting from .hc files though.)
1014 if test "$BootingFromHc" = "NO"; then
1015 FPTOOLS_ALEX
1016 fi;
1017
1018 dnl --------------------------------------------------
1019 dnl ### program checking section ends here ###
1020 dnl --------------------------------------------------
1021
1022 dnl --------------------------------------------------
1023 dnl * Platform header file and syscall feature tests
1024 dnl ### checking the state of the local header files and syscalls ###
1025
1026 dnl ** check for full ANSI header (.h) files
1027 AC_HEADER_STDC
1028
1029 dnl ** Enable large file support.  NB. do this before testing the type of
1030 dnl    off_t, because it will affect the result of that test.
1031 AC_SYS_LARGEFILE
1032
1033 dnl ** check for specific header (.h) files that we are interested in
1034 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])
1035
1036 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
1037 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
1038
1039 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
1040   GhcLibsWithReadline=YES
1041   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
1042 else
1043   GhcLibsWithReadline=NO
1044   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
1045 fi
1046 AC_SUBST(GhcLibsWithReadline)
1047
1048 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1049 AC_HEADER_TIME
1050
1051 dnl ** do we have long longs?
1052 AC_CHECK_TYPES([long long])
1053
1054 dnl ** what are the sizes of various types
1055 AC_CHECK_SIZEOF(char,               1)
1056 AC_CHECK_SIZEOF(double,             8)
1057 AC_CHECK_SIZEOF(float,              4)
1058 AC_CHECK_SIZEOF(int,                4)
1059 AC_CHECK_SIZEOF(long,               4)
1060 if test "$ac_cv_type_long_long" = yes; then
1061 AC_CHECK_SIZEOF(long long,          8)
1062 fi
1063 AC_CHECK_SIZEOF(short,              2)
1064 AC_CHECK_SIZEOF(unsigned char,      1)
1065 AC_CHECK_SIZEOF(unsigned int,       4)
1066 AC_CHECK_SIZEOF(unsigned long,      4)
1067 if test "$ac_cv_type_long_long" = yes; then
1068 AC_CHECK_SIZEOF(unsigned long long, 8)
1069 fi
1070 AC_CHECK_SIZEOF(unsigned short,     2)
1071 AC_CHECK_SIZEOF(void *,             4)
1072
1073 dnl ** what are alignment constraints on various types
1074 FP_CHECK_ALIGNMENT(char)
1075 FP_CHECK_ALIGNMENT(double)
1076 FP_CHECK_ALIGNMENT(float)
1077 FP_CHECK_ALIGNMENT(int)
1078 FP_CHECK_ALIGNMENT(long)
1079 if test "$ac_cv_type_long_long" = yes; then
1080 FP_CHECK_ALIGNMENT(long long)
1081 fi
1082 FP_CHECK_ALIGNMENT(short)
1083 FP_CHECK_ALIGNMENT(unsigned char)
1084 FP_CHECK_ALIGNMENT(unsigned int)
1085 FP_CHECK_ALIGNMENT(unsigned long)
1086 if test "$ac_cv_type_long_long" = yes; then
1087 FP_CHECK_ALIGNMENT(unsigned long long)
1088 fi
1089 FP_CHECK_ALIGNMENT(unsigned short)
1090 FP_CHECK_ALIGNMENT(void *)
1091
1092 FP_CHECK_FUNC([WinExec],
1093   [@%:@include <windows.h>], [WinExec("",0)])
1094
1095 FP_CHECK_FUNC([GetModuleFileName],
1096   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1097
1098 dnl ** check return type of signal handlers
1099 dnl Foo: assumes we can use prototypes.
1100 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1101 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1102 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1103 dnl #include <signal.h>
1104 dnl #ifdef signal
1105 dnl #undef signal
1106 dnl #endif
1107 dnl void (*signal (int, void (*)(int)))(int);
1108 dnl ]],
1109 dnl [[int i;]])],
1110 dnl [ac_cv_type_signal_handler=void_int],
1111 dnl [ac_cv_type_signal_handler=int_void])])
1112 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1113 dnl AC_DEFINE(VOID_INT_SIGNALS)
1114 dnl fi
1115
1116 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1117 AC_TYPE_SIGNAL
1118 if test "$ac_cv_type_signal" = void; then
1119   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).])
1120 fi
1121
1122 dnl ** check for more functions
1123 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1124 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1125 dnl ** For ghc/rts/gmp:
1126 AC_CHECK_FUNCS([getpagesize])
1127
1128 dnl ** check whether this machine has gmp3 installed
1129 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1130   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1131     HaveLibGmp=NO; LibGmp=not-installed))
1132 AC_SUBST(HaveLibGmp)
1133 AC_SUBST(LibGmp)
1134
1135 dnl ** (Mac OS X only: check for GMP.framework)
1136 HaveFrameworkGMP=NO
1137 case $HostPlatform in
1138 *-apple-darwin)
1139     AC_MSG_CHECKING([for GMP.framework])
1140     save_libs="$LIBS"
1141     LIBS="-framework GMP"
1142     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1143     if test $HaveFrameworkGMP = YES; then
1144       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1145     fi;
1146     LIBS="$save_libs"
1147     AC_MSG_RESULT([$HaveFrameworkGMP])
1148     ;;
1149 esac
1150 AC_SUBST(HaveFrameworkGMP)
1151
1152 dnl ** check for mingwex library
1153 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1154 AC_SUBST(HaveLibMingwEx)
1155
1156 if test $HaveLibMingwEx = YES ; then
1157   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1158 fi
1159
1160 if test "$HaveLibGmp" = "NO"; then
1161 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1162 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1163 fi;
1164 fi;
1165
1166 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1167 dnl    the order of these tests matters: bfd needs liberty
1168 AC_CHECK_LIB(iberty, xmalloc)
1169 AC_CHECK_LIB(bfd,    bfd_init)
1170
1171 dnl ** check for math library
1172 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1173 if test x"$fp_libm_not_needed" = xdunno; then
1174    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1175 fi
1176 AC_SUBST([LIBM])
1177
1178 dnl ################################################################
1179 dnl Check for libraries
1180 dnl ################################################################
1181
1182 dnl ** check whether we need -ldl to get dlopen()
1183
1184 AC_CHECK_LIB(dl, dlopen,
1185     [HaveLibDL=YES
1186      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1187      LIBS="$LIBS -ldl"],
1188     [HaveLibDL=NO])
1189 AC_SUBST(HaveLibDL)
1190
1191 dnl --------------------------------------------------
1192 dnl * Miscellaneous feature tests
1193 dnl --------------------------------------------------
1194
1195 dnl ** can we get alloca?
1196 AC_FUNC_ALLOCA
1197
1198 dnl ** Working vfork?
1199 AC_FUNC_FORK
1200
1201 dnl ** determine whether or not const works
1202 AC_C_CONST
1203
1204 dnl ** are we big endian?
1205 AC_C_BIGENDIAN
1206 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1207
1208 dnl ** check for leading underscores in symbol names
1209 FP_LEADING_UNDERSCORE
1210
1211 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1212 FP_PROG_LD_X
1213 FP_PROG_LD_IS_GNU
1214
1215 dnl ** check for Apple-style dead-stripping support
1216 dnl    (.subsections-via-symbols assembler directive)
1217
1218
1219 AC_MSG_CHECKING(for .subsections_via_symbols)
1220 AC_COMPILE_IFELSE(
1221     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1222     [AC_MSG_RESULT(yes)
1223      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1224                [Define to 1 if Apple-style dead-stripping is supported.])
1225     ],
1226     [AC_MSG_RESULT(no)])
1227
1228 dnl *** check for GNU non-executable stack note support (ELF only)
1229 dnl     (.section .note.GNU-stack,"",@progbits)
1230
1231 AC_MSG_CHECKING(for GNU non-executable stack support)
1232 AC_COMPILE_IFELSE(
1233     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1234     [AC_MSG_RESULT(yes)
1235      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1236                [Define to 1 if GNU non-executable stack notes are supported.])
1237     ],
1238     [AC_MSG_RESULT(no)])
1239
1240 dnl ** check for librt
1241 AC_CHECK_LIB(rt, clock_gettime)
1242 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1243 FP_CHECK_TIMER_CREATE
1244
1245 dnl ** check for Apple's "interesting" long double compatibility scheme
1246 AC_MSG_CHECKING(for printf\$LDBLStub)
1247 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1248     [
1249         AC_MSG_RESULT(yes)
1250         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1251             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1252     ],
1253     [
1254         AC_MSG_RESULT(no)
1255         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1256             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1257     ])
1258
1259 # test for GTK+
1260 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1261 if test -n "$GTK_CONFIG"; then
1262   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1263     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1264   else
1265     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1266     GTK_CONFIG=
1267   fi
1268 fi
1269 AC_SUBST([GTK_CONFIG])
1270
1271 #Checking for PAPI
1272 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1273 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1274 AC_SUBST(HavePapiLib)
1275 AC_SUBST(HavePapiHeader)
1276
1277 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1278    HavePapi=YES
1279 else
1280    HavePapi=NO
1281 fi
1282 AC_SUBST(HavePapi)
1283
1284 AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
1285 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1286 AC_OUTPUT