#2751: disourage --enable-shared in ./configure --help
[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], [6.11], [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="$GHC"])
647 # GHC is passed to Cabal, so we need a native path
648 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
649    test "${OSTYPE}"      != "msys"                  && \
650    test "${WithGhc}"     != ""
651 then
652     # Canonicalise to <drive>:/path/to/ghc
653     WithGhc=`cygpath -m ${WithGhc}`
654 fi
655 AC_SUBST([WithGhc])
656
657 AC_ARG_WITH(hc,
658 [AC_HELP_STRING([--with-hc=ARG],
659         [Use ARG as the path to the compiler for compiling ordinary
660          Haskell code  (default= value of --with-ghc)])],
661 [WithHc="$withval"],
662 [WithHc=$WithGhc]
663 )
664 AC_SUBST(WithHc)
665
666 if test "$WithGhc" != ""; then
667   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
668   AC_SUBST(GhcVersion)dnl
669   AC_SUBST(GhcMajVersion)dnl
670   AC_SUBST(GhcMinVersion)dnl
671   AC_SUBST(GhcPatchLevel)dnl
672   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
673   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
674   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
675   if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
676   AC_SUBST(ghc_ge_607)dnl
677   AC_SUBST(ghc_ge_609)dnl
678 fi
679
680 # Check whether this GHC has editline installed
681 FP_GHC_HAS_EDITLINE
682
683 AC_PATH_PROGS(NHC,nhc nhc98)
684 AC_PATH_PROG(HBC,hbc)
685
686 dnl ** Which gcc to use?
687 dnl --------------------------------------------------------------
688 AC_ARG_WITH(gcc,
689 [AC_HELP_STRING([--with-gcc=ARG],
690         [Use ARG as the path to GCC  [default=autodetect]])],
691 [WhatGccIsCalled="$withval"
692  if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
693     test "${OSTYPE}"      != "msys"                  && \
694     test "${withval}"     != ""
695  then
696      # Canonicalise to <drive>:/path/to/gcc
697      withval=`cygpath -m ${withval}`
698  fi;
699  CC="$withval"
700  export CC
701  ],
702 [WhatGccIsCalled="gcc"]
703 )
704 AC_SUBST(WhatGccIsCalled)
705
706 dnl ** Which ld to use?
707 dnl --------------------------------------------------------------
708 AC_ARG_WITH(ld,
709 [AC_HELP_STRING([--with-ld=ARG],
710         [Use ARG as the path to LD  [default=autodetect]])],
711 [if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
712     test "${OSTYPE}"      != "msys"                  && \
713     test "${withval}"     != ""
714  then
715      # Canonicalise to <drive>:/path/to/ld
716      withval=`cygpath -m ${withval}`
717  fi;
718  LD=$withval
719  FP_PROG_LD([$LD])
720  ],
721  [FP_PROG_LD()]
722 )
723
724 dnl ** Build shared and/or static libs?
725 dnl --------------------------------------------------------------
726 AC_ARG_ENABLE(shared,
727 [AC_HELP_STRING([--enable-shared],
728 [Build shared libraries, if available (EXPERIMENTAL, non-working). [default=no]])],
729 [ if test x"$enableval" = x"yes"; then
730         AC_MSG_WARN([--enable-shared is experimental and not fully supported at this time])
731         BuildSharedLibs=YES
732   else
733         BuildSharedLibs=NO
734   fi
735 ],
736 [BuildSharedLibs=NO]
737 )
738 AC_SUBST(BuildSharedLibs)
739
740 # ToDo later:
741 # AC_ARG_ENABLE(static,
742 # [AC_HELP_STRING([--enable-static],
743 # [Build static libraries. [default=yes]])],
744 # [ if test x"$enableval" = x"yes"; then
745 #         BuildStaticLibs=YES
746 #   else
747 #         BuildStaticLibs=NO
748 #   fi
749 # ],
750 # [BuildStaticLibs=YES]
751 # )
752 # AC_SUBST(BuildStaticLibs)
753
754 dnl ** Booting from .hc files?
755 dnl --------------------------------------------------------------
756 AC_ARG_ENABLE(hc-boot,
757 [AC_HELP_STRING([--enable-hc-boot],
758 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
759  (This option is mostly of interest to porters.) [default=no]])],
760 [ if test x"$enableval" = x"yes"; then
761         BootingFromHc=YES
762   else
763         BootingFromHc=NO
764   fi
765 ],
766 [BootingFromHc=NO]
767 )
768 AC_SUBST(BootingFromHc)
769
770 dnl ** Booting from unregisterised .hc files?
771 dnl --------------------------------------------------------------
772 AC_ARG_ENABLE(hc-boot-unregisterised,
773 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
774 [ With --enable-hc-boot, treat the intermediate .hc files as
775  unregisterised rather than registerised code.
776  (This option is mostly of interest to porters.) [default=no]])],
777 [ if test x"$enableval" = x"yes"; then
778         BootingFromUnregisterisedHc=YES
779   else
780         BootingFromUnregisterisedHc=NO
781   fi
782 ],
783 [BootingFromUnregisterisedHc=NO]
784 )
785 AC_SUBST(BootingFromUnregisterisedHc)
786
787 if test "$BootingFromHc" = "NO"; then
788 if test "$BootingFromUnregisterisedHc" = "YES"; then
789 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
790 fi;
791 fi;
792
793 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
794 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
795   if test "$WithGhc" = ""; then
796      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
797   fi
798   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.6],
799     [AC_MSG_ERROR([GHC version 6.6 or later is required to compile GHC.])])dnl
800 fi;
801
802 # This uses GHC, so put it after the "GHC is required" check above:
803 FP_FIND_ROOT
804
805 dnl ** Enable the construction of Win32 DLLs?
806 dnl --------------------------------------------------------------
807 dnl
808 dnl [ The ability to build the RTS and libraries as separate DLLs used
809 dnl   to be supported, but isn't currently (updates to the RTS, compiler
810 dnl   and build system would be required to bring it back again.)
811 dnl   Hence, exposing it as an option is false advertisement, so better
812 dnl   disable it to avoid confusion (but leave it commented-out rather
813 dnl   than removed in order to remind ourselves to bring back the
814 dnl   feature at some stage.) ]
815 dnl
816 dnl AC_ARG_ENABLE(win32-dlls,
817 dnl [  --enable-win32-dlls
818 dnl         If on a Win32 platform running mingw32/cygwin, enable the
819 dnl         construction of DLLs containing ghc-compiled code.
820 dnl ],
821 dnl [
822 dnl case $HostOS_CPP in
823 dnl cygwin32) ;;
824 dnl mingw32)  ;;
825 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
826 dnl       exit 1
827 dnl       ;;
828 dnl esac
829 dnl EnableWin32DLLs=YES
830 dnl ],
831 dnl [EnableWin32DLLs=NO]
832 dnl )
833 dnl AC_SUBST(EnableWin32DLLs)
834 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
835 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
836 dnl fi
837
838 dnl ** .NET interop support?
839 dnl --------------------------------------------------------------
840 AC_ARG_ENABLE(dotnet,
841 [AC_HELP_STRING([--enable-dotnet],
842 [Build .NET interop layer. [default=no]])],
843 [ if test x"$enableval" = x"yes"; then
844         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
845   else
846         DotnetSupport=NO
847   fi],
848 [DotnetSupport=NO]
849 )
850 AC_SUBST(DotnetSupport)
851
852 dnl ** Mac OS X: explicit deployment target
853 dnl --------------------------------------------------------------
854 AC_ARG_WITH([macosx-deployment-target],
855 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
856         [Build for Mac OS VERSION and higher  (default= version of build host)])],
857 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
858  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
859    # ignore everywhere, but on Mac OS
860    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
861    FP_MACOSX_DEPLOYMENT_TARGET=none
862  fi],
863 [FP_MACOSX_DEPLOYMENT_TARGET=none]
864 )
865 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
866 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
867 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
868
869 dnl --------------------------------------------------------------
870 dnl End of configure script option section
871 dnl --------------------------------------------------------------
872
873
874 dnl --------------------------------------------------------------
875 dnl * General configuration checks
876 dnl --------------------------------------------------------------
877
878 dnl ** Can the unix package be built?
879 dnl --------------------------------------------------------------
880
881 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
882    GhcLibsWithUnix=NO
883 else
884    GhcLibsWithUnix=YES
885 fi
886 AC_SUBST([GhcLibsWithUnix])
887
888 dnl ** does #! work?
889 AC_SYS_INTERPRETER()
890
891 dnl ** look for `perl', but only in /bin on Windows
892 case $HostOS_CPP in
893 cygwin32|mingw32)
894       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
895       if test -z "$PerlCmd"; then
896          echo "You must install the version of Perl shipped with GHC"
897          echo "(or a compatible one) in /bin."
898          exit 1
899       fi
900    ;;
901 *)
902    AC_PATH_PROG(PerlCmd,perl)
903    if test -z "$PerlCmd"; then
904       echo "You must install perl before you can continue"
905       echo "Perhaps it is already installed, but not in your PATH?"
906       exit 1
907    else
908    FPTOOLS_CHECK_PERL_VERSION
909    fi
910    ;;
911 esac
912
913 dnl ** does #! path/to/perl work? (sometimes it's too long...)
914 FPTOOLS_SHEBANG_PERL
915
916 dnl ** check for Python
917 AC_PATH_PROG(PythonCmd,python)
918
919 dnl ** look for GCC and find out which version
920 dnl     Figure out which C compiler to use.  Gcc is preferred.
921 dnl     If gcc, make sure it's at least 2.1
922 dnl
923 FP_HAVE_GCC
924 FP_MINGW_GCC
925 FP_GCC_EXTRA_FLAGS
926
927 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
928 AC_PROG_CPP
929
930 dnl ** Without optimization some INLINE trickery fails for GHCi
931 SRC_CC_OPTS="-O"
932
933 AC_SUBST(SRC_CC_OPTS)
934
935 dnl ** figure out how to do context diffs
936 FP_PROG_CONTEXT_DIFF
937
938 dnl ** Find find command (for Win32's benefit)
939 FP_PROG_FIND
940
941 dnl ** Find sort command (for the benefit of Win32 environs)
942 FP_PROG_SORT
943
944 dnl Let's make sure install-sh is executable here.  If we got it from
945 dnl a darcs repo, it might not be (see bug #978).
946 chmod +x install-sh
947 dnl ** figure out how to do a BSD-ish install
948 AC_PROG_INSTALL
949
950 dnl If you can run configure, you certainly have /bin/sh
951 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
952
953 dnl ** how to invoke `ar' and `ranlib'
954 FP_PROG_AR_NEEDS_RANLIB
955 FP_PROG_AR_SUPPORTS_INPUT
956
957 dnl ** Check to see whether ln -s works
958 AC_PROG_LN_S
959
960
961 dnl ** Find the path to sed
962 AC_PATH_PROG(SedCmd,sed)
963
964
965 dnl ** check for time command
966 AC_PATH_PROG(TimeCmd,time)
967
968 dnl ** check for tar
969 dnl   if GNU tar is named gtar, look for it first.
970 AC_PATH_PROGS(TarCmd,gtar tar,tar)
971
972 AC_PATH_PROG(HSCOLOUR,HsColour)
973 # HsColour is passed to Cabal, so we need a native path
974 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
975    test "${OSTYPE}"      != "msys"                  && \
976    test "${HSCOLOUR}"    != ""
977 then
978     # Canonicalise to <drive>:/path/to/gcc
979     HSCOLOUR=`cygpath -m ${HSCOLOUR}`
980 fi
981
982 dnl ** check for DocBook toolchain
983 FP_CHECK_DOCBOOK_DTD
984 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
985 FP_PROG_FO_PROCESSOR
986
987 dnl ** check for ghc-pkg command
988 FP_PROG_GHC_PKG
989
990 AC_ARG_WITH(greencard,
991 [AC_HELP_STRING([--with-greencard=ARG],
992         [Use ARG as the path to greencard  [default=autodetct]])],
993 [
994 GreenCardCmd=$withval;
995 FPTOOLS_GREENCARD(3.00)
996 ]
997 )
998
999 dnl ** check for installed happy binary + version
1000 dnl    (don't do it if we're booting from .hc files though.)
1001 if test "$BootingFromHc" = "NO"; then
1002 FPTOOLS_HAPPY
1003 fi;
1004
1005 dnl ** check for installed alex binary + version
1006 dnl    (don't do it if we're booting from .hc files though.)
1007 if test "$BootingFromHc" = "NO"; then
1008 FPTOOLS_ALEX
1009 fi;
1010
1011 dnl Check we have an acceptable version of windres
1012 FPTOOLS_WINDRES
1013
1014 dnl --------------------------------------------------
1015 dnl ### program checking section ends here ###
1016 dnl --------------------------------------------------
1017
1018 dnl --------------------------------------------------
1019 dnl * Platform header file and syscall feature tests
1020 dnl ### checking the state of the local header files and syscalls ###
1021
1022 dnl ** check for full ANSI header (.h) files
1023 AC_HEADER_STDC
1024
1025 dnl ** Enable large file support.  NB. do this before testing the type of
1026 dnl    off_t, because it will affect the result of that test.
1027 AC_SYS_LARGEFILE
1028
1029 dnl ** check for specific header (.h) files that we are interested in
1030 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])
1031
1032 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1033 AC_HEADER_TIME
1034
1035 dnl ** do we have long longs?
1036 AC_CHECK_TYPES([long long])
1037
1038 dnl ** what are the sizes of various types
1039 AC_CHECK_SIZEOF(char,               1)
1040 AC_CHECK_SIZEOF(double,             8)
1041 AC_CHECK_SIZEOF(float,              4)
1042 AC_CHECK_SIZEOF(int,                4)
1043 AC_CHECK_SIZEOF(long,               4)
1044 if test "$ac_cv_type_long_long" = yes; then
1045 AC_CHECK_SIZEOF(long long,          8)
1046 fi
1047 AC_CHECK_SIZEOF(short,              2)
1048 AC_CHECK_SIZEOF(unsigned char,      1)
1049 AC_CHECK_SIZEOF(unsigned int,       4)
1050 AC_CHECK_SIZEOF(unsigned long,      4)
1051 if test "$ac_cv_type_long_long" = yes; then
1052 AC_CHECK_SIZEOF(unsigned long long, 8)
1053 fi
1054 AC_CHECK_SIZEOF(unsigned short,     2)
1055 AC_CHECK_SIZEOF(void *,             4)
1056
1057 dnl ** what are alignment constraints on various types
1058 FP_CHECK_ALIGNMENT(char)
1059 FP_CHECK_ALIGNMENT(double)
1060 FP_CHECK_ALIGNMENT(float)
1061 FP_CHECK_ALIGNMENT(int)
1062 FP_CHECK_ALIGNMENT(long)
1063 if test "$ac_cv_type_long_long" = yes; then
1064 FP_CHECK_ALIGNMENT(long long)
1065 fi
1066 FP_CHECK_ALIGNMENT(short)
1067 FP_CHECK_ALIGNMENT(unsigned char)
1068 FP_CHECK_ALIGNMENT(unsigned int)
1069 FP_CHECK_ALIGNMENT(unsigned long)
1070 if test "$ac_cv_type_long_long" = yes; then
1071 FP_CHECK_ALIGNMENT(unsigned long long)
1072 fi
1073 FP_CHECK_ALIGNMENT(unsigned short)
1074 FP_CHECK_ALIGNMENT(void *)
1075
1076 FP_CHECK_FUNC([WinExec],
1077   [@%:@include <windows.h>], [WinExec("",0)])
1078
1079 FP_CHECK_FUNC([GetModuleFileName],
1080   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1081
1082 dnl ** check return type of signal handlers
1083 dnl Foo: assumes we can use prototypes.
1084 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1085 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1086 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1087 dnl #include <signal.h>
1088 dnl #ifdef signal
1089 dnl #undef signal
1090 dnl #endif
1091 dnl void (*signal (int, void (*)(int)))(int);
1092 dnl ]],
1093 dnl [[int i;]])],
1094 dnl [ac_cv_type_signal_handler=void_int],
1095 dnl [ac_cv_type_signal_handler=int_void])])
1096 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1097 dnl AC_DEFINE(VOID_INT_SIGNALS)
1098 dnl fi
1099
1100 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1101 AC_TYPE_SIGNAL
1102 if test "$ac_cv_type_signal" = void; then
1103   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).])
1104 fi
1105
1106 dnl ** check for more functions
1107 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1108 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1109 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1110 dnl ** _POSIX_C_SOURCE is defined
1111 AC_CHECK_DECLS([ctime_r], , ,
1112 [#define _POSIX_SOURCE 1
1113 #define _POSIX_C_SOURCE 199506L
1114 #include <time.h>])
1115
1116 dnl ** For ghc/rts/gmp:
1117 AC_CHECK_FUNCS([getpagesize])
1118
1119 dnl ** check whether this machine has gmp3 installed
1120 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1121   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1122     HaveLibGmp=NO; LibGmp=not-installed))
1123   if test $HaveLibGmp = YES; then
1124     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1125   fi;
1126 AC_SUBST(HaveLibGmp)
1127 AC_SUBST(LibGmp)
1128
1129 dnl ** (Mac OS X only: check for GMP.framework)
1130 HaveFrameworkGMP=NO
1131 case $HostPlatform in
1132 *-apple-darwin)
1133     AC_MSG_CHECKING([for GMP.framework])
1134     save_libs="$LIBS"
1135     LIBS="-framework GMP"
1136     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1137     if test $HaveFrameworkGMP = YES; then
1138       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1139     fi;
1140     LIBS="$save_libs"
1141     AC_MSG_RESULT([$HaveFrameworkGMP])
1142     ;;
1143 esac
1144 AC_SUBST(HaveFrameworkGMP)
1145
1146 dnl ** check for mingwex library
1147 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1148 AC_SUBST(HaveLibMingwEx)
1149
1150 if test $HaveLibMingwEx = YES ; then
1151   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1152 fi
1153
1154 if test "$HaveLibGmp" = "NO"; then
1155 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1156 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1157 fi;
1158 fi;
1159
1160 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1161 dnl    the order of these tests matters: bfd needs liberty
1162 AC_CHECK_LIB(iberty, xmalloc)
1163 AC_CHECK_LIB(bfd,    bfd_init)
1164
1165 dnl ** check for math library
1166 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1167 if test x"$fp_libm_not_needed" = xdunno; then
1168    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1169 fi
1170 AC_SUBST([LIBM])
1171
1172 dnl ################################################################
1173 dnl Check for libraries
1174 dnl ################################################################
1175
1176 dnl ** check whether we need -ldl to get dlopen()
1177
1178 AC_CHECK_LIB(dl, dlopen,
1179     [HaveLibDL=YES
1180      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1181      LIBS="$LIBS -ldl"],
1182     [HaveLibDL=NO])
1183 AC_SUBST(HaveLibDL)
1184
1185 dnl --------------------------------------------------
1186 dnl * Miscellaneous feature tests
1187 dnl --------------------------------------------------
1188
1189 dnl ** can we get alloca?
1190 AC_FUNC_ALLOCA
1191
1192 dnl ** Working vfork?
1193 AC_FUNC_FORK
1194
1195 dnl ** determine whether or not const works
1196 AC_C_CONST
1197
1198 dnl ** are we big endian?
1199 AC_C_BIGENDIAN
1200 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1201
1202 dnl ** check for leading underscores in symbol names
1203 FP_LEADING_UNDERSCORE
1204
1205 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1206 FP_PROG_LD_X
1207 FP_PROG_LD_IS_GNU
1208
1209 dnl ** check for Apple-style dead-stripping support
1210 dnl    (.subsections-via-symbols assembler directive)
1211
1212
1213 AC_MSG_CHECKING(for .subsections_via_symbols)
1214 AC_COMPILE_IFELSE(
1215     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1216     [AC_MSG_RESULT(yes)
1217      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1218                [Define to 1 if Apple-style dead-stripping is supported.])
1219     ],
1220     [AC_MSG_RESULT(no)])
1221
1222 dnl *** check for GNU non-executable stack note support (ELF only)
1223 dnl     (.section .note.GNU-stack,"",@progbits)
1224
1225 AC_MSG_CHECKING(for GNU non-executable stack support)
1226 AC_COMPILE_IFELSE(
1227     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1228     [AC_MSG_RESULT(yes)
1229      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1230                [Define to 1 if GNU non-executable stack notes are supported.])
1231     ],
1232     [AC_MSG_RESULT(no)])
1233
1234 dnl ** check for librt
1235 AC_CHECK_LIB(rt, clock_gettime)
1236 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1237 FP_CHECK_TIMER_CREATE
1238
1239 dnl ** check for Apple's "interesting" long double compatibility scheme
1240 AC_MSG_CHECKING(for printf\$LDBLStub)
1241 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1242     [
1243         AC_MSG_RESULT(yes)
1244         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1245             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1246     ],
1247     [
1248         AC_MSG_RESULT(no)
1249         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1250             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1251     ])
1252
1253 # test for GTK+
1254 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1255 if test -n "$GTK_CONFIG"; then
1256   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1257     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1258   else
1259     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1260     GTK_CONFIG=
1261   fi
1262 fi
1263 AC_SUBST([GTK_CONFIG])
1264
1265 #Checking for PAPI
1266 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1267 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1268 AC_SUBST(HavePapiLib)
1269 AC_SUBST(HavePapiHeader)
1270
1271 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1272    HavePapi=YES
1273 else
1274    HavePapi=NO
1275 fi
1276 AC_SUBST(HavePapi)
1277
1278 AC_CONFIG_FILES([mk/config.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1279 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1280 AC_OUTPUT