ghc_ge_605 is now always YES
[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([$LD])
720  ],
721  [FP_PROG_LD()]
722 )
723
724 dnl ** Build shared and/or static libs?
725 dnl --------------------------------------------------------------
726 AC_ARG_ENABLE(shared,
727 [AC_HELP_STRING([--enable-shared],
728 [Build shared libraries, if available. [default=no]])],
729 [ if test x"$enableval" = x"yes"; then
730         BuildSharedLibs=YES
731   else
732         BuildSharedLibs=NO
733   fi
734 ],
735 [BuildSharedLibs=NO]
736 )
737 AC_SUBST(BuildSharedLibs)
738
739 # ToDo later:
740 # AC_ARG_ENABLE(static,
741 # [AC_HELP_STRING([--enable-static],
742 # [Build static libraries. [default=yes]])],
743 # [ if test x"$enableval" = x"yes"; then
744 #         BuildStaticLibs=YES
745 #   else
746 #         BuildStaticLibs=NO
747 #   fi
748 # ],
749 # [BuildStaticLibs=YES]
750 # )
751 # AC_SUBST(BuildStaticLibs)
752
753 dnl ** Booting from .hc files?
754 dnl --------------------------------------------------------------
755 AC_ARG_ENABLE(hc-boot,
756 [AC_HELP_STRING([--enable-hc-boot],
757 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
758  (This option is mostly of interest to porters.) [default=no]])],
759 [ if test x"$enableval" = x"yes"; then
760         BootingFromHc=YES
761   else
762         BootingFromHc=NO
763   fi
764 ],
765 [BootingFromHc=NO]
766 )
767 AC_SUBST(BootingFromHc)
768
769 dnl ** Booting from unregisterised .hc files?
770 dnl --------------------------------------------------------------
771 AC_ARG_ENABLE(hc-boot-unregisterised,
772 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
773 [ With --enable-hc-boot, treat the intermediate .hc files as
774  unregisterised rather than registerised code.
775  (This option is mostly of interest to porters.) [default=no]])],
776 [ if test x"$enableval" = x"yes"; then
777         BootingFromUnregisterisedHc=YES
778   else
779         BootingFromUnregisterisedHc=NO
780   fi
781 ],
782 [BootingFromUnregisterisedHc=NO]
783 )
784 AC_SUBST(BootingFromUnregisterisedHc)
785
786 if test "$BootingFromHc" = "NO"; then
787 if test "$BootingFromUnregisterisedHc" = "YES"; then
788 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
789 fi;
790 fi;
791
792 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
793 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
794   if test "$WithGhc" = ""; then
795      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
796   fi
797   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.6],
798     [AC_MSG_ERROR([GHC version 6.6 or later is required to compile GHC.])])dnl
799 fi;
800
801 # This uses GHC, so put it after the "GHC is required" check above:
802 FP_FIND_ROOT
803
804 dnl ** Enable the construction of Win32 DLLs?
805 dnl --------------------------------------------------------------
806 dnl
807 dnl [ The ability to build the RTS and libraries as separate DLLs used
808 dnl   to be supported, but isn't currently (updates to the RTS, compiler
809 dnl   and build system would be required to bring it back again.)
810 dnl   Hence, exposing it as an option is false advertisement, so better
811 dnl   disable it to avoid confusion (but leave it commented-out rather
812 dnl   than removed in order to remind ourselves to bring back the
813 dnl   feature at some stage.) ]
814 dnl
815 dnl AC_ARG_ENABLE(win32-dlls,
816 dnl [  --enable-win32-dlls
817 dnl         If on a Win32 platform running mingw32/cygwin, enable the
818 dnl         construction of DLLs containing ghc-compiled code.
819 dnl ],
820 dnl [
821 dnl case $HostOS_CPP in
822 dnl cygwin32) ;;
823 dnl mingw32)  ;;
824 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
825 dnl       exit 1
826 dnl       ;;
827 dnl esac
828 dnl EnableWin32DLLs=YES
829 dnl ],
830 dnl [EnableWin32DLLs=NO]
831 dnl )
832 dnl AC_SUBST(EnableWin32DLLs)
833 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
834 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
835 dnl fi
836
837 dnl ** .NET interop support?
838 dnl --------------------------------------------------------------
839 AC_ARG_ENABLE(dotnet,
840 [AC_HELP_STRING([--enable-dotnet],
841 [Build .NET interop layer. [default=no]])],
842 [ if test x"$enableval" = x"yes"; then
843         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
844   else
845         DotnetSupport=NO
846   fi],
847 [DotnetSupport=NO]
848 )
849 AC_SUBST(DotnetSupport)
850
851 dnl ** Mac OS X: explicit deployment target
852 dnl --------------------------------------------------------------
853 AC_ARG_WITH([macosx-deployment-target],
854 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
855         [Build for Mac OS VERSION and higher  (default= version of build host)])],
856 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
857  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
858    # ignore everywhere, but on Mac OS
859    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
860    FP_MACOSX_DEPLOYMENT_TARGET=none
861  fi],
862 [FP_MACOSX_DEPLOYMENT_TARGET=none]
863 )
864 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
865 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
866 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
867
868 dnl --------------------------------------------------------------
869 dnl End of configure script option section
870 dnl --------------------------------------------------------------
871
872
873 dnl --------------------------------------------------------------
874 dnl * General configuration checks
875 dnl --------------------------------------------------------------
876
877 dnl ** Can the unix package be built?
878 dnl --------------------------------------------------------------
879
880 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
881    GhcLibsWithUnix=NO
882 else
883    GhcLibsWithUnix=YES
884 fi
885 AC_SUBST([GhcLibsWithUnix])
886
887 dnl ** does #! work?
888 AC_SYS_INTERPRETER()
889
890 dnl ** look for `perl', but only in /bin on Windows
891 case $HostOS_CPP in
892 cygwin32|mingw32)
893       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
894       if test -z "$PerlCmd"; then
895          echo "You must install the version of Perl shipped with GHC"
896          echo "(or a compatible one) in /bin."
897          exit 1
898       fi
899    ;;
900 *)
901    AC_PATH_PROG(PerlCmd,perl)
902    if test -z "$PerlCmd"; then
903       echo "You must install perl before you can continue"
904       echo "Perhaps it is already installed, but not in your PATH?"
905       exit 1
906    else
907    FPTOOLS_CHECK_PERL_VERSION
908    fi
909    ;;
910 esac
911
912 dnl ** does #! path/to/perl work? (sometimes it's too long...)
913 FPTOOLS_SHEBANG_PERL
914
915 dnl ** check for Python
916 AC_PATH_PROG(PythonCmd,python)
917
918 dnl ** look for GCC and find out which version
919 dnl     Figure out which C compiler to use.  Gcc is preferred.
920 dnl     If gcc, make sure it's at least 2.1
921 dnl
922 FP_HAVE_GCC
923 FP_MINGW_GCC
924 FP_GCC_EXTRA_FLAGS
925
926 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
927 AC_PROG_CPP
928
929 dnl ** Without optimization some INLINE trickery fails for GHCi
930 SRC_CC_OPTS="-O"
931
932 AC_SUBST(SRC_CC_OPTS)
933
934 dnl ** figure out how to do context diffs
935 FP_PROG_CONTEXT_DIFF
936
937 dnl ** Find find command (for Win32's benefit)
938 FP_PROG_FIND
939
940 dnl ** Find sort command (for the benefit of Win32 environs)
941 FP_PROG_SORT
942
943 dnl Let's make sure install-sh is executable here.  If we got it from
944 dnl a darcs repo, it might not be (see bug #978).
945 chmod +x install-sh
946 dnl ** figure out how to do a BSD-ish install
947 AC_PROG_INSTALL
948
949 dnl If you can run configure, you certainly have /bin/sh
950 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
951
952 dnl ** how to invoke `ar' and `ranlib'
953 FP_PROG_AR_NEEDS_RANLIB
954 FP_PROG_AR_SUPPORTS_INPUT
955
956 dnl ** Check to see whether ln -s works
957 AC_PROG_LN_S
958
959
960 dnl ** Find the path to sed
961 AC_PATH_PROG(SedCmd,sed)
962
963
964 dnl ** check for time command
965 AC_PATH_PROG(TimeCmd,time)
966
967 dnl ** check for tar
968 dnl   if GNU tar is named gtar, look for it first.
969 AC_PATH_PROGS(TarCmd,gtar tar,tar)
970
971 AC_PATH_PROG(HSCOLOUR,HsColour)
972 # HsColour is passed to Cabal, so we need a native path
973 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
974    test "${OSTYPE}"      != "msys"                  && \
975    test "${HSCOLOUR}"    != ""
976 then
977     # Canonicalise to <drive>:/path/to/gcc
978     HSCOLOUR=`cygpath -m ${HSCOLOUR}`
979 fi
980
981 dnl ** check for DocBook toolchain
982 FP_CHECK_DOCBOOK_DTD
983 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
984 FP_PROG_FO_PROCESSOR
985
986 dnl ** check for ghc-pkg command
987 FP_PROG_GHC_PKG
988
989 AC_ARG_WITH(greencard,
990 [AC_HELP_STRING([--with-greencard=ARG],
991         [Use ARG as the path to greencard  [default=autodetct]])],
992 [
993 GreenCardCmd=$withval;
994 FPTOOLS_GREENCARD(3.00)
995 ]
996 )
997
998 dnl ** check for installed happy binary + version
999 dnl    (don't do it if we're booting from .hc files though.)
1000 if test "$BootingFromHc" = "NO"; then
1001 FPTOOLS_HAPPY
1002 fi;
1003
1004 dnl ** check for installed alex binary + version
1005 dnl    (don't do it if we're booting from .hc files though.)
1006 if test "$BootingFromHc" = "NO"; then
1007 FPTOOLS_ALEX
1008 fi;
1009
1010 dnl Check we have an acceptable version of windres
1011 FPTOOLS_WINDRES
1012
1013 dnl --------------------------------------------------
1014 dnl ### program checking section ends here ###
1015 dnl --------------------------------------------------
1016
1017 dnl --------------------------------------------------
1018 dnl * Platform header file and syscall feature tests
1019 dnl ### checking the state of the local header files and syscalls ###
1020
1021 dnl ** check for full ANSI header (.h) files
1022 AC_HEADER_STDC
1023
1024 dnl ** Enable large file support.  NB. do this before testing the type of
1025 dnl    off_t, because it will affect the result of that test.
1026 AC_SYS_LARGEFILE
1027
1028 dnl ** check for specific header (.h) files that we are interested in
1029 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])
1030
1031 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1032 AC_HEADER_TIME
1033
1034 dnl ** do we have long longs?
1035 AC_CHECK_TYPES([long long])
1036
1037 dnl ** what are the sizes of various types
1038 AC_CHECK_SIZEOF(char,               1)
1039 AC_CHECK_SIZEOF(double,             8)
1040 AC_CHECK_SIZEOF(float,              4)
1041 AC_CHECK_SIZEOF(int,                4)
1042 AC_CHECK_SIZEOF(long,               4)
1043 if test "$ac_cv_type_long_long" = yes; then
1044 AC_CHECK_SIZEOF(long long,          8)
1045 fi
1046 AC_CHECK_SIZEOF(short,              2)
1047 AC_CHECK_SIZEOF(unsigned char,      1)
1048 AC_CHECK_SIZEOF(unsigned int,       4)
1049 AC_CHECK_SIZEOF(unsigned long,      4)
1050 if test "$ac_cv_type_long_long" = yes; then
1051 AC_CHECK_SIZEOF(unsigned long long, 8)
1052 fi
1053 AC_CHECK_SIZEOF(unsigned short,     2)
1054 AC_CHECK_SIZEOF(void *,             4)
1055
1056 dnl ** what are alignment constraints on various types
1057 FP_CHECK_ALIGNMENT(char)
1058 FP_CHECK_ALIGNMENT(double)
1059 FP_CHECK_ALIGNMENT(float)
1060 FP_CHECK_ALIGNMENT(int)
1061 FP_CHECK_ALIGNMENT(long)
1062 if test "$ac_cv_type_long_long" = yes; then
1063 FP_CHECK_ALIGNMENT(long long)
1064 fi
1065 FP_CHECK_ALIGNMENT(short)
1066 FP_CHECK_ALIGNMENT(unsigned char)
1067 FP_CHECK_ALIGNMENT(unsigned int)
1068 FP_CHECK_ALIGNMENT(unsigned long)
1069 if test "$ac_cv_type_long_long" = yes; then
1070 FP_CHECK_ALIGNMENT(unsigned long long)
1071 fi
1072 FP_CHECK_ALIGNMENT(unsigned short)
1073 FP_CHECK_ALIGNMENT(void *)
1074
1075 FP_CHECK_FUNC([WinExec],
1076   [@%:@include <windows.h>], [WinExec("",0)])
1077
1078 FP_CHECK_FUNC([GetModuleFileName],
1079   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1080
1081 dnl ** check return type of signal handlers
1082 dnl Foo: assumes we can use prototypes.
1083 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1084 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1085 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1086 dnl #include <signal.h>
1087 dnl #ifdef signal
1088 dnl #undef signal
1089 dnl #endif
1090 dnl void (*signal (int, void (*)(int)))(int);
1091 dnl ]],
1092 dnl [[int i;]])],
1093 dnl [ac_cv_type_signal_handler=void_int],
1094 dnl [ac_cv_type_signal_handler=int_void])])
1095 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1096 dnl AC_DEFINE(VOID_INT_SIGNALS)
1097 dnl fi
1098
1099 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1100 AC_TYPE_SIGNAL
1101 if test "$ac_cv_type_signal" = void; then
1102   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).])
1103 fi
1104
1105 dnl ** check for more functions
1106 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1107 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1108 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1109 dnl ** _POSIX_C_SOURCE is defined
1110 AC_CHECK_DECLS([ctime_r], , ,
1111 [#define _POSIX_SOURCE 1
1112 #define _POSIX_C_SOURCE 199506L
1113 #include <time.h>])
1114
1115 dnl ** For ghc/rts/gmp:
1116 AC_CHECK_FUNCS([getpagesize])
1117
1118 dnl ** check whether this machine has gmp3 installed
1119 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1120   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1121     HaveLibGmp=NO; LibGmp=not-installed))
1122   if test $HaveLibGmp = YES; then
1123     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1124   fi;
1125 AC_SUBST(HaveLibGmp)
1126 AC_SUBST(LibGmp)
1127
1128 dnl ** (Mac OS X only: check for GMP.framework)
1129 HaveFrameworkGMP=NO
1130 case $HostPlatform in
1131 *-apple-darwin)
1132     AC_MSG_CHECKING([for GMP.framework])
1133     save_libs="$LIBS"
1134     LIBS="-framework GMP"
1135     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1136     if test $HaveFrameworkGMP = YES; then
1137       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1138     fi;
1139     LIBS="$save_libs"
1140     AC_MSG_RESULT([$HaveFrameworkGMP])
1141     ;;
1142 esac
1143 AC_SUBST(HaveFrameworkGMP)
1144
1145 dnl ** check for mingwex library
1146 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1147 AC_SUBST(HaveLibMingwEx)
1148
1149 if test $HaveLibMingwEx = YES ; then
1150   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1151 fi
1152
1153 if test "$HaveLibGmp" = "NO"; then
1154 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1155 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1156 fi;
1157 fi;
1158
1159 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1160 dnl    the order of these tests matters: bfd needs liberty
1161 AC_CHECK_LIB(iberty, xmalloc)
1162 AC_CHECK_LIB(bfd,    bfd_init)
1163
1164 dnl ** check for math library
1165 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1166 if test x"$fp_libm_not_needed" = xdunno; then
1167    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1168 fi
1169 AC_SUBST([LIBM])
1170
1171 dnl ################################################################
1172 dnl Check for libraries
1173 dnl ################################################################
1174
1175 dnl ** check whether we need -ldl to get dlopen()
1176
1177 AC_CHECK_LIB(dl, dlopen,
1178     [HaveLibDL=YES
1179      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1180      LIBS="$LIBS -ldl"],
1181     [HaveLibDL=NO])
1182 AC_SUBST(HaveLibDL)
1183
1184 dnl --------------------------------------------------
1185 dnl * Miscellaneous feature tests
1186 dnl --------------------------------------------------
1187
1188 dnl ** can we get alloca?
1189 AC_FUNC_ALLOCA
1190
1191 dnl ** Working vfork?
1192 AC_FUNC_FORK
1193
1194 dnl ** determine whether or not const works
1195 AC_C_CONST
1196
1197 dnl ** are we big endian?
1198 AC_C_BIGENDIAN
1199 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1200
1201 dnl ** check for leading underscores in symbol names
1202 FP_LEADING_UNDERSCORE
1203
1204 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1205 FP_PROG_LD_X
1206 FP_PROG_LD_IS_GNU
1207
1208 dnl ** check for Apple-style dead-stripping support
1209 dnl    (.subsections-via-symbols assembler directive)
1210
1211
1212 AC_MSG_CHECKING(for .subsections_via_symbols)
1213 AC_COMPILE_IFELSE(
1214     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1215     [AC_MSG_RESULT(yes)
1216      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1217                [Define to 1 if Apple-style dead-stripping is supported.])
1218     ],
1219     [AC_MSG_RESULT(no)])
1220
1221 dnl *** check for GNU non-executable stack note support (ELF only)
1222 dnl     (.section .note.GNU-stack,"",@progbits)
1223
1224 AC_MSG_CHECKING(for GNU non-executable stack support)
1225 AC_COMPILE_IFELSE(
1226     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1227     [AC_MSG_RESULT(yes)
1228      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1229                [Define to 1 if GNU non-executable stack notes are supported.])
1230     ],
1231     [AC_MSG_RESULT(no)])
1232
1233 dnl ** check for librt
1234 AC_CHECK_LIB(rt, clock_gettime)
1235 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1236 FP_CHECK_TIMER_CREATE
1237
1238 dnl ** check for Apple's "interesting" long double compatibility scheme
1239 AC_MSG_CHECKING(for printf\$LDBLStub)
1240 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1241     [
1242         AC_MSG_RESULT(yes)
1243         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1244             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1245     ],
1246     [
1247         AC_MSG_RESULT(no)
1248         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1249             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1250     ])
1251
1252 # test for GTK+
1253 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1254 if test -n "$GTK_CONFIG"; then
1255   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1256     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1257   else
1258     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1259     GTK_CONFIG=
1260   fi
1261 fi
1262 AC_SUBST([GTK_CONFIG])
1263
1264 #Checking for PAPI
1265 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1266 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1267 AC_SUBST(HavePapiLib)
1268 AC_SUBST(HavePapiHeader)
1269
1270 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1271    HavePapi=YES
1272 else
1273    HavePapi=NO
1274 fi
1275 AC_SUBST(HavePapi)
1276
1277 AC_CONFIG_FILES([mk/config.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1278 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1279 AC_OUTPUT