FIX #2185: sparks should not be treated as roots by the GC
[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], [6.9], [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 soext='.so'
104 #
105 # The following will be more difficult when we *are* cross-compiling.
106 # Suitable names to slam in *_CPP are in platform.h.in.
107 # We also record the architecture, vendor, and operating system (OS)
108 # separately.
109 case $HostPlatform in
110 alpha*-dec-osf[[12]]*)
111         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
112         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
113         BuildPlatform=alpha-dec-osf1  # hack
114         HostPlatform_CPP='alpha_dec_osf1'
115         HostArch_CPP='alpha'
116         HostVendor_CPP='dec'
117         HostOS_CPP='osf1'
118         ;;
119 alpha*-dec-osf[[345]]*)
120         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
121         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
122         BuildPlatform=alpha-dec-osf3  # hack
123         HostPlatform_CPP='alpha_dec_osf3'
124         HostArch_CPP='alpha'
125         HostVendor_CPP='dec'
126         HostOS_CPP='osf3'
127         ;;
128 alpha*-unknown-linux*)
129         HostPlatform=alpha-unknown-linux
130         TargetPlatform=alpha-unknown-linux
131         BuildPlatform=alpha-unknown-linux
132         HostPlatform_CPP='alpha_unknown_linux'
133         HostArch_CPP='alpha'
134         HostVendor_CPP='unknown'
135         HostOS_CPP='linux'
136         ;;
137 alpha*-unknown-freebsd*)
138         HostPlatform=alpha-unknown-freebsd
139         TargetPlatform=alpha-unknown-freebsd
140         BuildPlatform=alpha-unknown-freebsd
141         HostPlatform_CPP='alpha_unknown_freebsd'
142         HostArch_CPP='alpha'
143         HostVendor_CPP='unknown'
144         HostOS_CPP='freebsd'
145         ;;
146 alpha*-unknown-openbsd*)
147         HostPlatform=alpha-unknown-openbsd
148         TargetPlatform=alpha-unknown-openbsd
149         BuildPlatform=alpha-unknown-openbsd
150         HostPlatform_CPP='alpha_unknown_openbsd'
151         HostArch_CPP='alpha'
152         HostVendor_CPP='unknown'
153         HostOS_CPP='openbsd'
154         ;;
155 amd64-*-openbsd*|x86_64-*-openbsd*)
156         HostPlatform=x86_64-unknown-openbsd
157         TargetPlatform=x86_64-unknown-openbsd
158         BuildPlatform=x86_64-unknown-openbsd
159         HostPlatform_CPP='x86_64_unknown_openbsd'
160         HostArch_CPP='x86_64'
161         HostVendor_CPP='unknown'
162         HostOS_CPP='openbsd'
163         ;;
164 amd64-*-freebsd*|x86_64-*-freebsd*)
165         HostPlatform=x86_64-unknown-freebsd
166         TargetPlatform=x86_64-unknown-freebsd
167         BuildPlatform=x86_64-unknown-freebsd
168         HostPlatform_CPP='x86_64_unknown_freebsd'
169         HostArch_CPP='x86_64'
170         HostVendor_CPP='unknown'
171         HostOS_CPP='freebsd'
172         ;;
173 amd64-*-netbsd*|x86_64-*-netbsd*)
174         HostPlatform=x86_64-unknown-netbsd
175         TargetPlatform=x86_64-unknown-netbsd
176         BuildPlatform=x86_64-unknown-netbsd
177         HostPlatform_CPP='x86_64_unknown_netbsd'
178         HostArch_CPP='x86_64'
179         HostVendor_CPP='unknown'
180         HostOS_CPP='netbsd'
181         ;;
182 arm*-linux*)
183         HostPlatform=arm-unknown-linux # hack again
184         TargetPlatform=arm-unknown-linux
185         BuildPlatform=arm-unknown-linux
186         HostPlatform_CPP='arm_unknown_linux'
187         HostArch_CPP='arm'
188         HostVendor_CPP='unknown'
189         HostOS_CPP='linux'
190         ;;
191 arm*-openbsd*)
192         HostPlatform=arm-unknown-openbsd
193         TargetPlatform=arm-unknown-openbsd
194         BuildPlatform=arm-unknown-openbsd
195         HostPlatform_CPP='arm_unknown_openbsd'
196         HostArch_CPP='arm'
197         HostVendor_CPP='unknown'
198         HostOS_CPP='openbsd'
199         ;;
200 hppa*-*-linux*)
201         HostPlatform=hppa-unknown-linux # hack again
202         TargetPlatform=hppa-unknown-linux
203         BuildPlatform=hppa-unknown-linux
204         HostPlatform_CPP='hppa_unknown_linux'
205         HostArch_CPP='hppa'
206         HostVendor_CPP='unknown'
207         HostOS_CPP='linux'
208         ;;
209 hppa*-*-openbsd*)
210         HostPlatform=hppa-unknown-openbsd # hack again
211         TargetPlatform=hppa-unknown-openbsd
212         BuildPlatform=hppa-unknown-openbsd
213         HostPlatform_CPP='hppa_unknown_openbsd'
214         HostArch_CPP='hppa'
215         HostVendor_CPP='unknown'
216         HostOS_CPP='openbsd'
217         ;;
218 hppa1.1-hp-hpux*)
219         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
220         TargetPlatform=hppa1.1-hp-hpux
221         BuildPlatform=hppa1.1-hp-hpux
222         HostPlatform_CPP='hppa1_1_hp_hpux'
223         HostArch_CPP='hppa1_1'
224         HostVendor_CPP='hp'
225         HostOS_CPP='hpux'
226         ;;
227 i[[3456]]86-*-linuxaout*)
228         HostPlatform=i386-unknown-linuxaout   # hack again
229         TargetPlatform=i386-unknown-linuxaout
230         BuildPlatform=i386-unknown-linuxaout
231         HostPlatform_CPP='i386_unknown_linuxaout'
232         HostArch_CPP='i386'
233         HostVendor_CPP='unknown'
234         HostOS_CPP='linuxaout'
235         ;;
236 i[[3456]]86-*-linux*)
237         HostPlatform=i386-unknown-linux # hack again
238         TargetPlatform=i386-unknown-linux
239         BuildPlatform=i386-unknown-linux
240         HostPlatform_CPP='i386_unknown_linux'
241         HostArch_CPP='i386'
242         HostVendor_CPP='unknown'
243         HostOS_CPP='linux'
244         ;;
245 i[[3456]]86-*-kfreebsd*-gnu)
246         HostPlatform=i386-unknown-kfreebsdgnu # hack again
247         TargetPlatform=i386-unknown-kfreebsdgnu
248         BuildPlatform=i386-unknown-kfreebsdgnu
249         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
250         HostArch_CPP='i386'
251         HostVendor_CPP='unknown'
252         HostOS_CPP='kfreebsdgnu'
253         ;;
254 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
255         HostPlatform=i386-unknown-freebsd # hack again
256         TargetPlatform=i386-unknown-freebsd
257         BuildPlatform=i386-unknown-freebsd
258         HostPlatform_CPP='i386_unknown_freebsd'
259         HostArch_CPP='i386'
260         HostVendor_CPP='unknown'
261         HostOS_CPP='freebsd'
262         ;;
263 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
264         HostPlatform=i386-unknown-freebsd2 # hack again
265         TargetPlatform=i386-unknown-freebsd2
266         BuildPlatform=i386-unknown-freebsd2
267         HostPlatform_CPP='i386_unknown_freebsd2'
268         HostArch_CPP='i386'
269         HostVendor_CPP='unknown'
270         HostOS_CPP='freebsd2'
271         ;;
272 i[[3456]]86-*-netbsd*)
273         HostPlatform=i386-unknown-netbsd # hack again
274         TargetPlatform=i386-unknown-netbsd
275         BuildPlatform=i386-unknown-netbsd
276         HostPlatform_CPP='i386_unknown_netbsd'
277         HostArch_CPP='i386'
278         HostVendor_CPP='unknown'
279         HostOS_CPP='netbsd'
280         ;;
281 i[[3456]]86-*-openbsd*)
282         HostPlatform=i386-unknown-openbsd # hack again
283         TargetPlatform=i386-unknown-openbsd
284         BuildPlatform=i386-unknown-openbsd
285         HostPlatform_CPP='i386_unknown_openbsd'
286         HostArch_CPP='i386'
287         HostVendor_CPP='unknown'
288         HostOS_CPP='openbsd'
289         ;;
290 i[[3456]]86-*-solaris2*)
291         HostPlatform=i386-unknown-solaris2 # hack again
292         TargetPlatform=i386-unknown-solaris2
293         BuildPlatform=i386-unknown-solaris2
294         HostPlatform_CPP='i386_unknown_solaris2'
295         HostArch_CPP='i386'
296         HostVendor_CPP='unknown'
297         HostOS_CPP='solaris2'
298         ;;
299 i[[3456]]86-*-cygwin*)
300         HostPlatform=i386-unknown-cygwin32 # hack again
301         TargetPlatform=i386-unknown-cygwin32
302         BuildPlatform=i386-unknown-cygwin32
303         HostPlatform_CPP='i386_unknown_cygwin32'
304         HostArch_CPP='i386'
305         HostVendor_CPP='unknown'
306         HostOS_CPP='cygwin32'
307         exeext='.exe'
308         soext='.dll'
309         ;;
310 i[[3456]]86-*-mingw32*)
311         HostPlatform=i386-unknown-mingw32 # hack again
312         TargetPlatform=i386-unknown-mingw32
313         BuildPlatform=i386-unknown-mingw32
314         HostPlatform_CPP='i386_unknown_mingw32'
315         HostArch_CPP='i386'
316         HostVendor_CPP='unknown'
317         HostOS_CPP='mingw32'
318         exeext='.exe'
319         soext='.dll'
320         ;;
321 i[[3456]]86-apple-darwin*)
322         HostPlatform=i386-apple-darwin
323         TargetPlatform=i386-apple-darwin #hack
324         BuildPlatform=i386-apple-darwin #hack
325         HostPlatform_CPP='i386_apple_darwin'
326         HostArch_CPP='i386'
327         HostVendor_CPP='apple'
328         HostOS_CPP='darwin'
329         soext='.dylib'
330         ;;
331 i[[3456]]86-*-gnu*)
332         HostPlatform=i386-unknown-gnu
333         TargetPlatform=i386-unknown-gnu
334         BuildPlatform=i386-unknown-gnu
335         HostPlatform_CPP=i386_unknown_gnu
336         HostArch_CPP=i386
337         HostVendor_CPP=unknown
338         HostOS_CPP=gnu
339         ;;
340 ia64-*-linux*)
341         HostPlatform=ia64-unknown-linux # hack again
342         TargetPlatform=ia64-unknown-linux
343         BuildPlatform=ia64-unknown-linux
344         HostPlatform_CPP='ia64_unknown_linux'
345         HostArch_CPP='ia64'
346         HostVendor_CPP='unknown'
347         HostOS_CPP='linux'
348         ;;
349 x86_64-*-linux*)
350         HostPlatform=x86_64-unknown-linux
351         TargetPlatform=x86_64-unknown-linux
352         BuildPlatform=x86_64-unknown-linux
353         HostPlatform_CPP='x86_64_unknown_linux'
354         HostArch_CPP='x86_64'
355         HostVendor_CPP='unknown'
356         HostOS_CPP='linux'
357         ;;
358 x86_64-apple-darwin*)
359         HostPlatform=x86_64-apple-darwin
360         TargetPlatform=x86_64-apple-darwin
361         BuildPlatform=x86_64-apple-darwin
362         HostPlatform_CPP='x86_64_apple_darwin'
363         HostArch_CPP='x86_64'
364         HostVendor_CPP='apple'
365         HostOS_CPP='darwin'
366         soext='.dylib'
367         ;;
368 m68k-*-linux*)
369         HostPlatform=m68k-unknown-linux # hack again
370         TargetPlatform=m68k-unknown-linux
371         BuildPlatform=m68k-unknown-linux
372         HostPlatform_CPP='m68k_unknown_linux'
373         HostArch_CPP='m68k'
374         HostVendor_CPP='unknown'
375         HostOS_CPP='linux'
376         ;;
377 m68k-next-nextstep2)
378         HostPlatform_CPP='m68k_next_nextstep2'
379         HostArch_CPP='m68k'
380         HostVendor_CPP='next'
381         HostOS_CPP='nextstep2'
382         ;;
383 m68k-next-nextstep3)
384         HostPlatform_CPP='m68k_next_nextstep3'
385         HostArch_CPP='m68k'
386         HostVendor_CPP='next'
387         HostOS_CPP='nextstep3'
388         ;;
389 i[[3456]]86-next-nextstep3)
390         HostPlatform=i386-next-nextstep3 # hack again
391         TargetPlatform=i386-next-nextstep3
392         BuildPlatform=i386-next-nextstep3
393         HostPlatform_CPP='i386_next_nextstep3'
394         HostArch_CPP='i386'
395         HostVendor_CPP='next'
396         HostOS_CPP='nextstep3'
397         ;;
398 m68k-*-openbsd*)
399         HostPlatform=m68k-unknown-openbsd
400         TargetPlatform=m68k-unknown-openbsd
401         BuildPlatform=m68k-unknown-openbsd
402         HostPlatform_CPP='m68k_unknown_openbsd'
403         HostArch_CPP='m68k'
404         HostVendor_CPP='unknown'
405         HostOS_CPP='openbsd'
406         ;;
407 m68k-*-netbsd*)
408         HostPlatform=m68k-unknown-netbsd
409         TargetPlatform=m68k-unknown-netbsd
410         BuildPlatform=m68k-unknown-netbsd
411         HostPlatform_CPP='m68k_unknown_netbsd'
412         HostArch_CPP='m68k'
413         HostVendor_CPP='unknown'
414         HostOS_CPP='netbsd'
415         ;;
416 m68k-sun-sunos4*)
417         HostPlatform=m68k-sun-sunos4
418         TargetPlatform=m68k-sun-sunos4 #hack
419         BuildPlatform=m68k-sun-sunos4 #hack
420         HostPlatform_CPP='m68k_sun_sunos4'
421         HostArch_CPP='m68k'
422         HostVendor_CPP='sun'
423         HostOS_CPP='sunos4'
424         ;;
425 m88k-*-openbsd*)
426         HostPlatform=m88k-unknown-openbsd
427         TargetPlatform=m88k-unknown-openbsd
428         BuildPlatform=m88k-unknown-openbsd
429         HostPlatform_CPP='m88k_unknown_openbsd'
430         HostArch_CPP='m88k'
431         HostVendor_CPP='unknown'
432         HostOS_CPP='openbsd'
433         ;;
434 mips-*-linux*)
435         HostPlatform=mips-unknown-linux # hack again
436         TargetPlatform=mips-unknown-linux
437         BuildPlatform=mips-unknown-linux
438         HostPlatform_CPP='mips_unknown_linux'
439         HostArch_CPP='mips'
440         HostVendor_CPP='unknown'
441         HostOS_CPP='linux'
442         ;;
443 mipsel-*-linux*)
444         HostPlatform=mipsel-unknown-linux # hack again
445         TargetPlatform=mipsel-unknown-linux
446         BuildPlatform=mipsel-unknown-linux
447         HostPlatform_CPP='mipsel_unknown_linux'
448         HostArch_CPP='mipsel'
449         HostVendor_CPP='unknown'
450         HostOS_CPP='linux'
451         ;;
452 mips-dec-ultrix*)
453         HostPlatform_CPP='mips_dec_ultrix'
454         HostArch_CPP='mipsel'   # NB a little different
455         HostVendor_CPP='dec'
456         HostOS_CPP='ultrix'
457         ;;
458 mips-sgi-irix*)
459         HostPlatform=mips-sgi-irix
460         TargetPlatform=mips-sgi-irix #hack
461         BuildPlatform=mips-sgi-irix #hack
462         HostPlatform_CPP='mips_sgi_irix'
463         HostArch_CPP='mipseb'   # NB a little different
464         HostVendor_CPP='sgi'
465         HostOS_CPP='irix'
466         ;;
467 rs6000-ibm-aix*)
468         HostPlatform=rs6000-ibm-aix
469         TargetPlatform=rs6000-ibm-aix #hack
470         BuildPlatform=rs6000-ibm-aix #hack
471         HostPlatform_CPP='rs6000_ibm_aix'
472         HostArch_CPP='rs6000'
473         HostVendor_CPP='ibm'
474         HostOS_CPP='aix'
475         ;;
476 powerpc-ibm-aix*)
477         HostPlatform=powerpc-ibm-aix
478         TargetPlatform=powerpc-ibm-aix #hack
479         BuildPlatform=powerpc-ibm-aix #hack
480         HostPlatform_CPP='powerpc_ibm_aix'
481         HostArch_CPP='powerpc'
482         HostVendor_CPP='ibm'
483         HostOS_CPP='aix'
484         ;;
485 powerpc-apple-darwin*)
486         HostPlatform=powerpc-apple-darwin
487         TargetPlatform=powerpc-apple-darwin #hack
488         BuildPlatform=powerpc-apple-darwin #hack
489         HostPlatform_CPP='powerpc_apple_darwin'
490         HostArch_CPP='powerpc'
491         HostVendor_CPP='apple'
492         HostOS_CPP='darwin'
493         soext='.dylib'
494         ;;
495 powerpc-unknown-linux*)
496         HostPlatform=powerpc-unknown-linux
497         TargetPlatform=powerpc-unknown-linux
498         BuildPlatform=powerpc-unknown-linux
499         HostPlatform_CPP='powerpc_unknown_linux'
500         HostArch_CPP='powerpc'
501         HostVendor_CPP='unknown'
502         HostOS_CPP='linux'
503         ;;
504 powerpc-unknown-openbsd*)
505         HostPlatform=powerpc-unknown-openbsd
506         TargetPlatform=powerpc-unknown-openbsd
507         BuildPlatform=powerpc-unknown-openbsd
508         HostPlatform_CPP='powerpc_unknown_openbsd'
509         HostArch_CPP='powerpc'
510         HostVendor_CPP='unknown'
511         HostOS_CPP='openbsd'
512         ;;
513 powerpc64-unknown-linux*)
514         HostPlatform=powerpc64-unknown-linux
515         TargetPlatform=powerpc64-unknown-linux
516         BuildPlatform=powerpc64-unknown-linux
517         HostPlatform_CPP='powerpc64_unknown_linux'
518         HostArch_CPP='powerpc64'
519         HostVendor_CPP='unknown'
520         HostOS_CPP='linux'
521         ;;
522
523 s390-ibm-linux*)
524        HostPlatform=s390-ibm-linux
525        TargetPlatform=s390-ibm-linux #hack
526        BuildPlatform=s390-ibm-linux #hack
527         HostPlatform_CPP='s390_ibm_linux'
528         HostArch_CPP='s390'
529         HostVendor_CPP='ibm'
530         HostOS_CPP='linux'
531         ;;
532 sparc-sun-sunos4*)
533         HostPlatform=sparc-sun-sunos4
534         TargetPlatform=sparc-sun-sunos4 #hack
535         BuildPlatform=sparc-sun-sunos4 #hack
536         HostPlatform_CPP='sparc_sun_sunos4'
537         HostArch_CPP='sparc'
538         HostVendor_CPP='sun'
539         HostOS_CPP='sunos4'
540         ;;
541 sparc-sun-solaris2*)
542         HostPlatform=sparc-sun-solaris2
543         TargetPlatform=sparc-sun-solaris2 #hack
544         BuildPlatform=sparc-sun-solaris2 #hack
545         HostPlatform_CPP='sparc_sun_solaris2'
546         HostArch_CPP='sparc'
547         HostVendor_CPP='sun'
548         HostOS_CPP='solaris2'
549         ;;
550 sparc*-linux*)
551         HostPlatform=sparc-unknown-linux
552         TargetPlatform=sparc-unknown-linux
553         BuildPlatform=sparc-unknown-linux
554         HostPlatform_CPP='sparc_unknown_linux'
555         HostArch_CPP='sparc'
556         HostVendor_CPP='unknown'
557         HostOS_CPP='linux'
558         ;;
559 sparc-*-openbsd*)
560         HostPlatform=sparc-unknown-openbsd
561         TargetPlatform=sparc-unknown-openbsd
562         BuildPlatform=sparc-unknown-openbsd
563         HostPlatform_CPP='sparc_unknown_openbsd'
564         HostArch_CPP='sparc'
565         HostVendor_CPP='unknown'
566         HostOS_CPP='openbsd'
567         ;;
568 sparc64-*-openbsd*)
569         HostPlatform=sparc64-unknown-openbsd
570         TargetPlatform=sparc64-unknown-openbsd
571         BuildPlatform=sparc64-unknown-openbsd
572         HostPlatform_CPP='sparc64_unknown_openbsd'
573         HostArch_CPP='sparc64'
574         HostVendor_CPP='unknown'
575         HostOS_CPP='openbsd'
576         ;;
577 vax-*-openbsd*)
578         HostPlatform=vax-unknown-openbsd
579         TargetPlatform=vax-unknown-openbsd
580         BuildPlatform=vax-unknown-openbsd
581         HostPlatform_CPP='vax_unknown_openbsd'
582         HostArch_CPP='vax'
583         HostVendor_CPP='unknown'
584         HostOS_CPP='openbsd'
585         ;;
586 *)
587         echo "Unrecognised platform: $HostPlatform"
588         exit 1
589         ;;
590 esac
591 echo "Canonicalised to: $HostPlatform"
592 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
593 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
594
595 BuildPlatform_CPP=$HostPlatform_CPP
596 TargetPlatform_CPP=$HostPlatform_CPP
597 BuildArch_CPP=$HostArch_CPP
598 TargetArch_CPP=$HostArch_CPP
599 BuildOS_CPP=$HostOS_CPP
600 HostOS_Full=$host_os
601 TargetOS_CPP=$HostOS_CPP
602 BuildVendor_CPP=$HostVendor_CPP
603 TargetVendor_CPP=$HostVendor_CPP
604
605 AC_SUBST(BuildPlatform)
606 AC_SUBST(HostPlatform)
607 AC_SUBST(TargetPlatform)
608 AC_SUBST(HostPlatform_CPP)
609 AC_SUBST(BuildPlatform_CPP)
610 AC_SUBST(TargetPlatform_CPP)
611
612 AC_SUBST(HostArch_CPP)
613 AC_SUBST(BuildArch_CPP)
614 AC_SUBST(TargetArch_CPP)
615
616 AC_SUBST(HostOS_CPP)
617 AC_SUBST(HostOS_Full)
618 AC_SUBST(BuildOS_CPP)
619 AC_SUBST(TargetOS_CPP)
620
621 AC_SUBST(HostVendor_CPP)
622 AC_SUBST(BuildVendor_CPP)
623 AC_SUBST(TargetVendor_CPP)
624
625 AC_SUBST(exeext)
626 AC_SUBST(soext)
627
628 dnl --------------------------------------------------------------
629 dnl * Project specific configuration options
630 dnl --------------------------------------------------------------
631 dnl What follows is a bunch of options that can either be configured
632 dnl through command line options to the configure script or by
633 dnl supplying defns in the build tree's mk/build.mk. Having the option to
634 dnl use either is considered a Feature.
635
636 dnl ** What command to use to compile compiler sources ?
637 dnl --------------------------------------------------------------
638
639 AC_ARG_WITH([ghc],
640 [AC_HELP_STRING([--with-ghc=ARG],
641   [Use ARG as the path to GHC  [default=autodetect]])],
642   [WithGhc="$withval"],
643   [if test "$GHC" = ""; then
644     AC_PATH_PROG([GHC], [ghc])
645   fi
646   WithGhc="$GHC"])
647 AC_SUBST([WithGhc])
648
649 AC_ARG_WITH(hc,
650 [AC_HELP_STRING([--with-hc=ARG],
651         [Use ARG as the path to the compiler for compiling ordinary
652          Haskell code  (default= value of --with-ghc)])],
653 [WithHc="$withval"],
654 [WithHc=$WithGhc]
655 )
656 AC_SUBST(WithHc)
657
658 if test "$WithGhc" != ""; then
659   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
660   AC_SUBST(GhcVersion)dnl
661   AC_SUBST(GhcMajVersion)dnl
662   AC_SUBST(GhcMinVersion)dnl
663   AC_SUBST(GhcPatchLevel)dnl
664   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
665   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
666   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
667   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
668   if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
669   AC_SUBST(ghc_ge_605)dnl
670   AC_SUBST(ghc_ge_607)dnl
671   AC_SUBST(ghc_ge_609)dnl
672 fi
673
674 # Check whether this GHC has editline installed
675 FP_GHC_HAS_EDITLINE
676
677 AC_PATH_PROGS(NHC,nhc nhc98)
678 AC_PATH_PROG(HBC,hbc)
679
680 dnl ** Which gcc to use?
681 dnl --------------------------------------------------------------
682 AC_ARG_WITH(gcc,
683 [AC_HELP_STRING([--with-gcc=ARG],
684         [Use ARG as the path to GCC  [default=autodetect]])],
685 [WhatGccIsCalled="$withval"
686  if test "x$HostPlatform" = "xi386-unknown-mingw32"
687     then
688        if test "${OSTYPE}" != "msys"
689          then
690          # Canonicalise to <drive>:/path/to/gcc
691          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
692        fi
693  fi;
694  CC="$withval"
695  export CC
696  ],
697 [WhatGccIsCalled="gcc"]
698 )
699 AC_SUBST(WhatGccIsCalled)
700
701 dnl ** Which ld to use?
702 dnl --------------------------------------------------------------
703 AC_ARG_WITH(ld,
704 [AC_HELP_STRING([--with-ld=ARG],
705         [Use ARG as the path to LD  [default=autodetect]])],
706 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
707     then
708        if test "${OSTYPE}" != "msys"
709          then
710          # Canonicalise to <drive>:/path/to/ld
711          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
712        fi
713  fi;
714  LD=$withval
715  FP_PROG_LD([$LD])
716  ],
717  [FP_PROG_LD()]
718 )
719
720 dnl ** Booting from .hc files?
721 dnl --------------------------------------------------------------
722 AC_ARG_ENABLE(hc-boot,
723 [AC_HELP_STRING([--enable-hc-boot],
724 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
725  (This option is mostly of interest to porters.) [default=no]])],
726 [ if test x"$enableval" = x"yes"; then
727         BootingFromHc=YES
728   else
729         BootingFromHc=NO
730   fi
731 ],
732 [BootingFromHc=NO]
733 )
734 AC_SUBST(BootingFromHc)
735
736 dnl ** Booting from unregisterised .hc files?
737 dnl --------------------------------------------------------------
738 AC_ARG_ENABLE(hc-boot-unregisterised,
739 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
740 [ With --enable-hc-boot, treat the intermediate .hc files as
741  unregisterised rather than registerised code.
742  (This option is mostly of interest to porters.) [default=no]])],
743 [ if test x"$enableval" = x"yes"; then
744         BootingFromUnregisterisedHc=YES
745   else
746         BootingFromUnregisterisedHc=NO
747   fi
748 ],
749 [BootingFromUnregisterisedHc=NO]
750 )
751 AC_SUBST(BootingFromUnregisterisedHc)
752
753 if test "$BootingFromHc" = "NO"; then
754 if test "$BootingFromUnregisterisedHc" = "YES"; then
755 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
756 fi;
757 fi;
758
759 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
760 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
761   if test "$WithGhc" = ""; then
762      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
763   fi
764   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.4],
765     [AC_MSG_ERROR([GHC version 6.4 or later is required to compile GHC.])])dnl
766 fi;
767
768 # This uses GHC, so put it after the "GHC is required" check above:
769 FP_FIND_ROOT
770
771 dnl ** Enable the construction of Win32 DLLs?
772 dnl --------------------------------------------------------------
773 dnl
774 dnl [ The ability to build the RTS and libraries as separate DLLs used
775 dnl   to be supported, but isn't currently (updates to the RTS, compiler
776 dnl   and build system would be required to bring it back again.)
777 dnl   Hence, exposing it as an option is false advertisement, so better
778 dnl   disable it to avoid confusion (but leave it commented-out rather
779 dnl   than removed in order to remind ourselves to bring back the
780 dnl   feature at some stage.) ]
781 dnl
782 dnl AC_ARG_ENABLE(win32-dlls,
783 dnl [  --enable-win32-dlls
784 dnl         If on a Win32 platform running mingw32/cygwin, enable the
785 dnl         construction of DLLs containing ghc-compiled code.
786 dnl ],
787 dnl [
788 dnl case $HostOS_CPP in
789 dnl cygwin32) ;;
790 dnl mingw32)  ;;
791 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
792 dnl       exit 1
793 dnl       ;;
794 dnl esac
795 dnl EnableWin32DLLs=YES
796 dnl ],
797 dnl [EnableWin32DLLs=NO]
798 dnl )
799 dnl AC_SUBST(EnableWin32DLLs)
800 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
801 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
802 dnl fi
803
804 dnl ** Enable the building of the ObjectIO?
805 dnl --------------------------------------------------------------
806 AC_ARG_ENABLE(objectio,
807 [AC_HELP_STRING([--enable-objectio],
808 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
809 [ if test x"$enableval" = x"yes"; then
810         GhcLibsWithObjectIO=YES
811   else
812         GhcLibsWithObjectIO=NO
813   fi
814 ],
815 [GhcLibsWithObjectIO=NO]
816 )
817 AC_SUBST(GhcLibsWithObjectIO)
818
819 dnl ** .NET interop support?
820 dnl --------------------------------------------------------------
821 AC_ARG_ENABLE(dotnet,
822 [AC_HELP_STRING([--enable-dotnet],
823 [Build .NET interop layer. [default=no]])],
824 [ if test x"$enableval" = x"yes"; then
825         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
826   else
827         DotnetSupport=NO
828   fi],
829 [DotnetSupport=NO]
830 )
831 AC_SUBST(DotnetSupport)
832
833 dnl ** Mac OS X: explicit deployment target
834 dnl --------------------------------------------------------------
835 AC_ARG_WITH([macosx-deployment-target],
836 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
837         [Build for Mac OS VERSION and higher  (default= version of build host)])],
838 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
839  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
840    # ignore everywhere, but on Mac OS
841    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
842    FP_MACOSX_DEPLOYMENT_TARGET=none
843  fi],
844 [FP_MACOSX_DEPLOYMENT_TARGET=none]
845 )
846 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
847 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
848 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
849
850 dnl --------------------------------------------------------------
851 dnl End of configure script option section
852 dnl --------------------------------------------------------------
853
854
855 dnl --------------------------------------------------------------
856 dnl * General configuration checks
857 dnl --------------------------------------------------------------
858
859 dnl ** Can the unix package be built?
860 dnl --------------------------------------------------------------
861
862 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
863    GhcLibsWithUnix=NO
864 else
865    GhcLibsWithUnix=YES
866 fi
867 AC_SUBST([GhcLibsWithUnix])
868
869 dnl ** does #! work?
870 AC_SYS_INTERPRETER()
871
872 dnl ** look for `perl', but only in /bin on Windows
873 case $HostOS_CPP in
874 cygwin32|mingw32)
875       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
876       if test -z "$PerlCmd"; then
877          echo "You must install the version of Perl shipped with GHC"
878          echo "(or a compatible one) in /bin."
879          exit 1
880       fi
881    ;;
882 *)
883    AC_PATH_PROG(PerlCmd,perl)
884    if test -z "$PerlCmd"; then
885       echo "You must install perl before you can continue"
886       echo "Perhaps it is already installed, but not in your PATH?"
887       exit 1
888    else
889    FPTOOLS_CHECK_PERL_VERSION
890    fi
891    ;;
892 esac
893
894 dnl ** does #! path/to/perl work? (sometimes it's too long...)
895 FPTOOLS_SHEBANG_PERL
896
897 dnl ** check for Python
898 AC_PATH_PROG(PythonCmd,python)
899
900 dnl ** look for GCC and find out which version
901 dnl     Figure out which C compiler to use.  Gcc is preferred.
902 dnl     If gcc, make sure it's at least 2.1
903 dnl
904 FP_HAVE_GCC
905 FP_MINGW_GCC
906 FP_GCC_EXTRA_FLAGS
907
908 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
909 AC_PROG_CPP
910
911 dnl ** Without optimization some INLINE trickery fails for GHCi
912 SRC_CC_OPTS="-O"
913
914 dnl ** Try to add -mno-cygwin to the C compiler options
915 FP_CHECK_FLAG([-mno-cygwin], [
916 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
917 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
918 AC_SUBST(SRC_CC_OPTS)
919
920 dnl ** figure out how to do context diffs
921 FP_PROG_CONTEXT_DIFF
922
923 dnl ** Find find command (for Win32's benefit)
924 FP_PROG_FIND
925
926 dnl ** Find sort command (for the benefit of Win32 environs)
927 FP_PROG_SORT
928
929 dnl Let's make sure install-sh is executable here.  If we got it from
930 dnl a darcs repo, it might not be (see bug #978).
931 chmod +x install-sh
932 dnl ** figure out how to do a BSD-ish install
933 AC_PROG_INSTALL
934
935 dnl If you can run configure, you certainly have /bin/sh
936 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
937
938 dnl ** how to invoke `ar' and `ranlib'
939 FP_PROG_AR_NEEDS_RANLIB
940 FP_PROG_AR_SUPPORTS_INPUT
941
942 dnl ** Check to see whether ln -s works
943 AC_PROG_LN_S
944
945
946 dnl ** Find the path to sed
947 AC_PATH_PROG(SedCmd,sed)
948
949
950 dnl ** check for time command
951 AC_PATH_PROG(TimeCmd,time)
952
953 dnl ** check for tar
954 dnl   if GNU tar is named gtar, look for it first.
955 AC_PATH_PROGS(TarCmd,gtar tar,tar)
956
957 AC_PATH_PROG(HSCOLOUR,HsColour)
958 # HsColour is passed to Cabal, so we need a native path
959 if test "x$HostPlatform" = "xi386-unknown-mingw32"
960     then
961        if test "${OSTYPE}" != "msys"
962          then
963          # Canonicalise to <drive>:/path/to/gcc
964          HSCOLOUR=`cygpath -w ${HSCOLOUR} | sed -e 's@\\\\@/@g' `
965        fi
966 fi
967
968 dnl ** check for DocBook toolchain
969 FP_CHECK_DOCBOOK_DTD
970 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
971 FP_PROG_FO_PROCESSOR
972
973 dnl ** check for ghc-pkg command
974 FP_PROG_GHC_PKG
975
976 AC_ARG_WITH(greencard,
977 [AC_HELP_STRING([--with-greencard=ARG],
978         [Use ARG as the path to greencard  [default=autodetct]])],
979 [
980 GreenCardCmd=$withval;
981 FPTOOLS_GREENCARD(3.00)
982 ]
983 )
984
985 dnl ** check for installed happy binary + version
986 dnl    (don't do it if we're booting from .hc files though.)
987 if test "$BootingFromHc" = "NO"; then
988 FPTOOLS_HAPPY
989 fi;
990
991 dnl ** check for installed haddock
992 FPTOOLS_HADDOCK
993
994 dnl ** check for installed alex binary + version
995 dnl    (don't do it if we're booting from .hc files though.)
996 if test "$BootingFromHc" = "NO"; then
997 FPTOOLS_ALEX
998 fi;
999
1000 dnl --------------------------------------------------
1001 dnl ### program checking section ends here ###
1002 dnl --------------------------------------------------
1003
1004 dnl --------------------------------------------------
1005 dnl * Platform header file and syscall feature tests
1006 dnl ### checking the state of the local header files and syscalls ###
1007
1008 dnl ** check for full ANSI header (.h) files
1009 AC_HEADER_STDC
1010
1011 dnl ** Enable large file support.  NB. do this before testing the type of
1012 dnl    off_t, because it will affect the result of that test.
1013 AC_SYS_LARGEFILE
1014
1015 dnl ** check for specific header (.h) files that we are interested in
1016 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])
1017
1018 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1019 AC_HEADER_TIME
1020
1021 dnl ** do we have long longs?
1022 AC_CHECK_TYPES([long long])
1023
1024 dnl ** what are the sizes of various types
1025 AC_CHECK_SIZEOF(char,               1)
1026 AC_CHECK_SIZEOF(double,             8)
1027 AC_CHECK_SIZEOF(float,              4)
1028 AC_CHECK_SIZEOF(int,                4)
1029 AC_CHECK_SIZEOF(long,               4)
1030 if test "$ac_cv_type_long_long" = yes; then
1031 AC_CHECK_SIZEOF(long long,          8)
1032 fi
1033 AC_CHECK_SIZEOF(short,              2)
1034 AC_CHECK_SIZEOF(unsigned char,      1)
1035 AC_CHECK_SIZEOF(unsigned int,       4)
1036 AC_CHECK_SIZEOF(unsigned long,      4)
1037 if test "$ac_cv_type_long_long" = yes; then
1038 AC_CHECK_SIZEOF(unsigned long long, 8)
1039 fi
1040 AC_CHECK_SIZEOF(unsigned short,     2)
1041 AC_CHECK_SIZEOF(void *,             4)
1042
1043 dnl ** what are alignment constraints on various types
1044 FP_CHECK_ALIGNMENT(char)
1045 FP_CHECK_ALIGNMENT(double)
1046 FP_CHECK_ALIGNMENT(float)
1047 FP_CHECK_ALIGNMENT(int)
1048 FP_CHECK_ALIGNMENT(long)
1049 if test "$ac_cv_type_long_long" = yes; then
1050 FP_CHECK_ALIGNMENT(long long)
1051 fi
1052 FP_CHECK_ALIGNMENT(short)
1053 FP_CHECK_ALIGNMENT(unsigned char)
1054 FP_CHECK_ALIGNMENT(unsigned int)
1055 FP_CHECK_ALIGNMENT(unsigned long)
1056 if test "$ac_cv_type_long_long" = yes; then
1057 FP_CHECK_ALIGNMENT(unsigned long long)
1058 fi
1059 FP_CHECK_ALIGNMENT(unsigned short)
1060 FP_CHECK_ALIGNMENT(void *)
1061
1062 FP_CHECK_FUNC([WinExec],
1063   [@%:@include <windows.h>], [WinExec("",0)])
1064
1065 FP_CHECK_FUNC([GetModuleFileName],
1066   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1067
1068 dnl ** check return type of signal handlers
1069 dnl Foo: assumes we can use prototypes.
1070 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1071 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1072 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1073 dnl #include <signal.h>
1074 dnl #ifdef signal
1075 dnl #undef signal
1076 dnl #endif
1077 dnl void (*signal (int, void (*)(int)))(int);
1078 dnl ]],
1079 dnl [[int i;]])],
1080 dnl [ac_cv_type_signal_handler=void_int],
1081 dnl [ac_cv_type_signal_handler=int_void])])
1082 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1083 dnl AC_DEFINE(VOID_INT_SIGNALS)
1084 dnl fi
1085
1086 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1087 AC_TYPE_SIGNAL
1088 if test "$ac_cv_type_signal" = void; then
1089   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).])
1090 fi
1091
1092 dnl ** check for more functions
1093 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1094 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1095 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1096 dnl ** _POSIX_C_SOURCE is defined
1097 AC_CHECK_DECLS([ctime_r], , ,
1098 [#define _POSIX_SOURCE 1
1099 #define _POSIX_C_SOURCE 199506L
1100 #include <time.h>])
1101
1102 dnl ** For ghc/rts/gmp:
1103 AC_CHECK_FUNCS([getpagesize])
1104
1105 dnl ** check whether this machine has gmp3 installed
1106 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1107   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1108     HaveLibGmp=NO; LibGmp=not-installed))
1109   if test $HaveLibGmp = YES; then
1110     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1111   fi;
1112 AC_SUBST(HaveLibGmp)
1113 AC_SUBST(LibGmp)
1114
1115 dnl ** (Mac OS X only: check for GMP.framework)
1116 HaveFrameworkGMP=NO
1117 case $HostPlatform in
1118 *-apple-darwin)
1119     AC_MSG_CHECKING([for GMP.framework])
1120     save_libs="$LIBS"
1121     LIBS="-framework GMP"
1122     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1123     if test $HaveFrameworkGMP = YES; then
1124       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1125     fi;
1126     LIBS="$save_libs"
1127     AC_MSG_RESULT([$HaveFrameworkGMP])
1128     ;;
1129 esac
1130 AC_SUBST(HaveFrameworkGMP)
1131
1132 dnl ** check for mingwex library
1133 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1134 AC_SUBST(HaveLibMingwEx)
1135
1136 if test $HaveLibMingwEx = YES ; then
1137   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1138 fi
1139
1140 if test "$HaveLibGmp" = "NO"; then
1141 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1142 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1143 fi;
1144 fi;
1145
1146 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1147 dnl    the order of these tests matters: bfd needs liberty
1148 AC_CHECK_LIB(iberty, xmalloc)
1149 AC_CHECK_LIB(bfd,    bfd_init)
1150
1151 dnl ** check for math library
1152 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1153 if test x"$fp_libm_not_needed" = xdunno; then
1154    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1155 fi
1156 AC_SUBST([LIBM])
1157
1158 dnl ################################################################
1159 dnl Check for libraries
1160 dnl ################################################################
1161
1162 dnl ** check whether we need -ldl to get dlopen()
1163
1164 AC_CHECK_LIB(dl, dlopen,
1165     [HaveLibDL=YES
1166      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1167      LIBS="$LIBS -ldl"],
1168     [HaveLibDL=NO])
1169 AC_SUBST(HaveLibDL)
1170
1171 dnl --------------------------------------------------
1172 dnl * Miscellaneous feature tests
1173 dnl --------------------------------------------------
1174
1175 dnl ** can we get alloca?
1176 AC_FUNC_ALLOCA
1177
1178 dnl ** Working vfork?
1179 AC_FUNC_FORK
1180
1181 dnl ** determine whether or not const works
1182 AC_C_CONST
1183
1184 dnl ** are we big endian?
1185 AC_C_BIGENDIAN
1186 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1187
1188 dnl ** check for leading underscores in symbol names
1189 FP_LEADING_UNDERSCORE
1190
1191 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1192 FP_PROG_LD_X
1193 FP_PROG_LD_IS_GNU
1194
1195 dnl ** check for Apple-style dead-stripping support
1196 dnl    (.subsections-via-symbols assembler directive)
1197
1198
1199 AC_MSG_CHECKING(for .subsections_via_symbols)
1200 AC_COMPILE_IFELSE(
1201     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1202     [AC_MSG_RESULT(yes)
1203      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1204                [Define to 1 if Apple-style dead-stripping is supported.])
1205     ],
1206     [AC_MSG_RESULT(no)])
1207
1208 dnl *** check for GNU non-executable stack note support (ELF only)
1209 dnl     (.section .note.GNU-stack,"",@progbits)
1210
1211 AC_MSG_CHECKING(for GNU non-executable stack support)
1212 AC_COMPILE_IFELSE(
1213     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1214     [AC_MSG_RESULT(yes)
1215      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1216                [Define to 1 if GNU non-executable stack notes are supported.])
1217     ],
1218     [AC_MSG_RESULT(no)])
1219
1220 dnl ** check for librt
1221 AC_CHECK_LIB(rt, clock_gettime)
1222 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1223 FP_CHECK_TIMER_CREATE
1224
1225 dnl ** check for Apple's "interesting" long double compatibility scheme
1226 AC_MSG_CHECKING(for printf\$LDBLStub)
1227 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1228     [
1229         AC_MSG_RESULT(yes)
1230         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1231             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1232     ],
1233     [
1234         AC_MSG_RESULT(no)
1235         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1236             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1237     ])
1238
1239 # test for GTK+
1240 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1241 if test -n "$GTK_CONFIG"; then
1242   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1243     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1244   else
1245     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1246     GTK_CONFIG=
1247   fi
1248 fi
1249 AC_SUBST([GTK_CONFIG])
1250
1251 #Checking for PAPI
1252 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1253 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1254 AC_SUBST(HavePapiLib)
1255 AC_SUBST(HavePapiHeader)
1256
1257 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1258    HavePapi=YES
1259 else
1260    HavePapi=NO
1261 fi
1262 AC_SUBST(HavePapi)
1263
1264 AC_CONFIG_FILES([mk/config.mk ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1265 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1266 AC_OUTPUT