Collect hoisted vectorised functions
[ghc.git] / configure.ac
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
3 dnl  (or some such) to see the outline of this file)
4 dnl
5 #
6 # (c) The University of Glasgow 1994-2004
7 #
8 # Configure script template for GHC
9 #
10 # Process with 'autoreconf' to get a working configure script.
11 #
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
14 #
15
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.7], [glasgow-haskell-bugs@haskell.org], [ghc])
17
18 # Set this to YES for a released version, otherwise NO
19 : ${RELEASE=NO}
20
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above.  If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204).  The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository.  If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
28
29 if test ! -f mk/config.h.in; then
30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
31    exit 1
32 fi
33
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
35
36 FP_SETUP_PROJECT_VERSION
37
38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
39 AC_SUBST([release], [1])
40
41 # First off, a distrib sanity check..
42 AC_CONFIG_SRCDIR([mk/config.mk.in])
43
44 dnl * We require autoconf version 2.52
45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
47 AC_PREREQ([2.52])
48
49 # -------------------------------------------------------------------------
50 # Prepare to generate the following header files
51 #
52 #
53 AC_CONFIG_HEADER(mk/config.h)
54
55 # No, semi-sadly, we don't do `--srcdir'...
56 if test x"$srcdir" != 'x.' ; then
57     echo "This configuration does not support the \`--srcdir' option.."
58     exit 1
59 fi
60
61 dnl--------------------------------------------------------------------
62 dnl * Deal with arguments telling us gmp is somewhere odd
63 dnl--------------------------------------------------------------------
64
65 FP_ARG_GMP
66
67 GMP_INCLUDE_DIRS=
68 GMP_LIB_DIRS=
69 if test "x$gmp_libraries" != "xNONE"; then
70   LDFLAGS="-L$gmp_libraries $LDFLAGS"
71   GMP_LIB_DIRS=$gmp_libraries
72 fi
73 if test "x$gmp_includes" != "xNONE"; then
74   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
75   GMP_INCLUDE_DIRS=$gmp_includes
76 fi
77 AC_SUBST(GMP_INCLUDE_DIRS)
78 AC_SUBST(GMP_LIB_DIRS)
79
80 dnl--------------------------------------------------------------------
81 dnl * Choose host(/target/build) platform
82 dnl--------------------------------------------------------------------
83
84 dnl Guess host/target/build platform(s) if necessary.
85 AC_CANONICAL_TARGET
86
87 # "$host" defaults to "$target"
88 if test "x$host" = xNONE ; then
89     host=$target
90 fi
91
92 dnl ** canonicalize platform names
93 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
94 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
95 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
96
97 if test x"$TargetPlatform" != x"$HostPlatform" ; then
98     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
99     exit 1
100 fi
101
102 exeext=''
103 #
104 # The following will be more difficult when we *are* cross-compiling.
105 # Suitable names to slam in *_CPP are in platform.h.in.
106 # We also record the architecture, vendor, and operating system (OS)
107 # separately.
108 case $HostPlatform in
109 alpha*-dec-osf[[12]]*)
110         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
111         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
112         BuildPlatform=alpha-dec-osf1  # hack
113         HostPlatform_CPP='alpha_dec_osf1'
114         HostArch_CPP='alpha'
115         HostVendor_CPP='dec'
116         HostOS_CPP='osf1'
117         ;;
118 alpha*-dec-osf[[345]]*)
119         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
120         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
121         BuildPlatform=alpha-dec-osf3  # hack
122         HostPlatform_CPP='alpha_dec_osf3'
123         HostArch_CPP='alpha'
124         HostVendor_CPP='dec'
125         HostOS_CPP='osf3'
126         ;;
127 alpha*-unknown-linux*)
128         HostPlatform=alpha-unknown-linux
129         TargetPlatform=alpha-unknown-linux
130         BuildPlatform=alpha-unknown-linux
131         HostPlatform_CPP='alpha_unknown_linux'
132         HostArch_CPP='alpha'
133         HostVendor_CPP='unknown'
134         HostOS_CPP='linux'
135         ;;
136 alpha*-unknown-freebsd*)
137         HostPlatform=alpha-unknown-freebsd
138         TargetPlatform=alpha-unknown-freebsd
139         BuildPlatform=alpha-unknown-freebsd
140         HostPlatform_CPP='alpha_unknown_freebsd'
141         HostArch_CPP='alpha'
142         HostVendor_CPP='unknown'
143         HostOS_CPP='freebsd'
144         ;;
145 alpha*-unknown-openbsd*)
146         HostPlatform=alpha-unknown-openbsd
147         TargetPlatform=alpha-unknown-openbsd
148         BuildPlatform=alpha-unknown-openbsd
149         HostPlatform_CPP='alpha_unknown_openbsd'
150         HostArch_CPP='alpha'
151         HostVendor_CPP='unknown'
152         HostOS_CPP='openbsd'
153         ;;
154 amd64-*-openbsd*|x86_64-*-openbsd*)
155         HostPlatform=x86_64-unknown-openbsd
156         TargetPlatform=x86_64-unknown-openbsd
157         BuildPlatform=x86_64-unknown-openbsd
158         HostPlatform_CPP='x86_64_unknown_openbsd'
159         HostArch_CPP='x86_64'
160         HostVendor_CPP='unknown'
161         HostOS_CPP='openbsd'
162         ;;
163 amd64-*-freebsd*)
164         HostPlatform=x86_64-unknown-freebsd
165         TargetPlatform=x86_64-unknown-freebsd
166         BuildPlatform=x86_64-unknown-freebsd
167         HostPlatform_CPP='x86_64_unknown_freebsd'
168         HostArch_CPP='x86_64'
169         HostVendor_CPP='unknown'
170         HostOS_CPP='freebsd'
171         ;;
172 arm*-linux*)
173         HostPlatform=arm-unknown-linux # hack again
174         TargetPlatform=arm-unknown-linux
175         BuildPlatform=arm-unknown-linux
176         HostPlatform_CPP='arm_unknown_linux'
177         HostArch_CPP='arm'
178         HostVendor_CPP='unknown'
179         HostOS_CPP='linux'
180         ;;
181 arm*-openbsd*)
182         HostPlatform=arm-unknown-openbsd
183         TargetPlatform=arm-unknown-openbsd
184         BuildPlatform=arm-unknown-openbsd
185         HostPlatform_CPP='arm_unknown_openbsd'
186         HostArch_CPP='arm'
187         HostVendor_CPP='unknown'
188         HostOS_CPP='openbsd'
189         ;;
190 hppa*-*-linux*)
191         HostPlatform=hppa-unknown-linux # hack again
192         TargetPlatform=hppa-unknown-linux
193         BuildPlatform=hppa-unknown-linux
194         HostPlatform_CPP='hppa_unknown_linux'
195         HostArch_CPP='hppa'
196         HostVendor_CPP='unknown'
197         HostOS_CPP='linux'
198         ;;
199 hppa*-*-openbsd*)
200         HostPlatform=hppa-unknown-openbsd # hack again
201         TargetPlatform=hppa-unknown-openbsd
202         BuildPlatform=hppa-unknown-openbsd
203         HostPlatform_CPP='hppa_unknown_openbsd'
204         HostArch_CPP='hppa'
205         HostVendor_CPP='unknown'
206         HostOS_CPP='openbsd'
207         ;;
208 hppa1.1-hp-hpux*)
209         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
210         TargetPlatform=hppa1.1-hp-hpux
211         BuildPlatform=hppa1.1-hp-hpux
212         HostPlatform_CPP='hppa1_1_hp_hpux'
213         HostArch_CPP='hppa1_1'
214         HostVendor_CPP='hp'
215         HostOS_CPP='hpux'
216         ;;
217 i[[3456]]86-*-linuxaout*)
218         HostPlatform=i386-unknown-linuxaout   # hack again
219         TargetPlatform=i386-unknown-linuxaout
220         BuildPlatform=i386-unknown-linuxaout
221         HostPlatform_CPP='i386_unknown_linuxaout'
222         HostArch_CPP='i386'
223         HostVendor_CPP='unknown'
224         HostOS_CPP='linuxaout'
225         ;;
226 i[[3456]]86-*-linux*)
227         HostPlatform=i386-unknown-linux # hack again
228         TargetPlatform=i386-unknown-linux
229         BuildPlatform=i386-unknown-linux
230         HostPlatform_CPP='i386_unknown_linux'
231         HostArch_CPP='i386'
232         HostVendor_CPP='unknown'
233         HostOS_CPP='linux'
234         ;;
235 i[[3456]]86-*-kfreebsd*-gnu)
236         HostPlatform=i386-unknown-kfreebsdgnu # hack again
237         TargetPlatform=i386-unknown-kfreebsdgnu
238         BuildPlatform=i386-unknown-kfreebsdgnu
239         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
240         HostArch_CPP='i386'
241         HostVendor_CPP='unknown'
242         HostOS_CPP='kfreebsdgnu'
243         ;;
244 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
245         HostPlatform=i386-unknown-freebsd # hack again
246         TargetPlatform=i386-unknown-freebsd
247         BuildPlatform=i386-unknown-freebsd
248         HostPlatform_CPP='i386_unknown_freebsd'
249         HostArch_CPP='i386'
250         HostVendor_CPP='unknown'
251         HostOS_CPP='freebsd'
252         ;;
253 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
254         HostPlatform=i386-unknown-freebsd2 # hack again
255         TargetPlatform=i386-unknown-freebsd2
256         BuildPlatform=i386-unknown-freebsd2
257         HostPlatform_CPP='i386_unknown_freebsd2'
258         HostArch_CPP='i386'
259         HostVendor_CPP='unknown'
260         HostOS_CPP='freebsd2'
261         ;;
262 i[[3456]]86-*-netbsd*)
263         HostPlatform=i386-unknown-netbsd # hack again
264         TargetPlatform=i386-unknown-netbsd
265         BuildPlatform=i386-unknown-netbsd
266         HostPlatform_CPP='i386_unknown_netbsd'
267         HostArch_CPP='i386'
268         HostVendor_CPP='unknown'
269         HostOS_CPP='netbsd'
270         ;;
271 i[[3456]]86-*-openbsd*)
272         HostPlatform=i386-unknown-openbsd # hack again
273         TargetPlatform=i386-unknown-openbsd
274         BuildPlatform=i386-unknown-openbsd
275         HostPlatform_CPP='i386_unknown_openbsd'
276         HostArch_CPP='i386'
277         HostVendor_CPP='unknown'
278         HostOS_CPP='openbsd'
279         ;;
280 i[[3456]]86-*-solaris2*)
281         HostPlatform=i386-unknown-solaris2 # hack again
282         TargetPlatform=i386-unknown-solaris2
283         BuildPlatform=i386-unknown-solaris2
284         HostPlatform_CPP='i386_unknown_solaris2'
285         HostArch_CPP='i386'
286         HostVendor_CPP='unknown'
287         HostOS_CPP='solaris2'
288         ;;
289 i[[3456]]86-*-cygwin*)
290         HostPlatform=i386-unknown-cygwin32 # hack again
291         TargetPlatform=i386-unknown-cygwin32
292         BuildPlatform=i386-unknown-cygwin32
293         HostPlatform_CPP='i386_unknown_cygwin32'
294         HostArch_CPP='i386'
295         HostVendor_CPP='unknown'
296         HostOS_CPP='cygwin32'
297         exeext='.exe'
298         ;;
299 i[[3456]]86-*-mingw32*)
300         HostPlatform=i386-unknown-mingw32 # hack again
301         TargetPlatform=i386-unknown-mingw32
302         BuildPlatform=i386-unknown-mingw32
303         HostPlatform_CPP='i386_unknown_mingw32'
304         HostArch_CPP='i386'
305         HostVendor_CPP='unknown'
306         HostOS_CPP='mingw32'
307         exeext='.exe'
308         ;;
309 i[[3456]]86-apple-darwin*)
310         HostPlatform=i386-apple-darwin
311         TargetPlatform=i386-apple-darwin #hack
312         BuildPlatform=i386-apple-darwin #hack
313         HostPlatform_CPP='i386_apple_darwin'
314         HostArch_CPP='i386'
315         HostVendor_CPP='apple'
316         HostOS_CPP='darwin'
317         ;;
318 i[[3456]]86-*-gnu*)
319         HostPlatform=i386-unknown-gnu
320         TargetPlatform=i386-unknown-gnu
321         BuildPlatform=i386-unknown-gnu
322         HostPlatform_CPP=i386_unknown_gnu
323         HostArch_CPP=i386
324         HostVendor_CPP=unknown
325         HostOS_CPP=gnu
326         ;;
327 ia64-*-linux*)
328         HostPlatform=ia64-unknown-linux # hack again
329         TargetPlatform=ia64-unknown-linux
330         BuildPlatform=ia64-unknown-linux
331         HostPlatform_CPP='ia64_unknown_linux'
332         HostArch_CPP='ia64'
333         HostVendor_CPP='unknown'
334         HostOS_CPP='linux'
335         ;;
336 x86_64-*-linux*)
337         HostPlatform=x86_64-unknown-linux
338         TargetPlatform=x86_64-unknown-linux
339         BuildPlatform=x86_64-unknown-linux
340         HostPlatform_CPP='x86_64_unknown_linux'
341         HostArch_CPP='x86_64'
342         HostVendor_CPP='unknown'
343         HostOS_CPP='linux'
344         ;;
345 x86_64-apple-darwin*)
346         HostPlatform=x86_64-apple-darwin
347         TargetPlatform=x86_64-apple-darwin
348         BuildPlatform=x86_64-apple-darwin
349         HostPlatform_CPP='x86_64_apple_darwin'
350         HostArch_CPP='x86_64'
351         HostVendor_CPP='apple'
352         HostOS_CPP='darwin'
353         ;;
354 m68k-*-linux*)
355         HostPlatform=m68k-unknown-linux # hack again
356         TargetPlatform=m68k-unknown-linux
357         BuildPlatform=m68k-unknown-linux
358         HostPlatform_CPP='m68k_unknown_linux'
359         HostArch_CPP='m68k'
360         HostVendor_CPP='unknown'
361         HostOS_CPP='linux'
362         ;;
363 m68k-next-nextstep2)
364         HostPlatform_CPP='m68k_next_nextstep2'
365         HostArch_CPP='m68k'
366         HostVendor_CPP='next'
367         HostOS_CPP='nextstep2'
368         ;;
369 m68k-next-nextstep3)
370         HostPlatform_CPP='m68k_next_nextstep3'
371         HostArch_CPP='m68k'
372         HostVendor_CPP='next'
373         HostOS_CPP='nextstep3'
374         ;;
375 i[[3456]]86-next-nextstep3)
376         HostPlatform=i386-next-nextstep3 # hack again
377         TargetPlatform=i386-next-nextstep3
378         BuildPlatform=i386-next-nextstep3
379         HostPlatform_CPP='i386_next_nextstep3'
380         HostArch_CPP='i386'
381         HostVendor_CPP='next'
382         HostOS_CPP='nextstep3'
383         ;;
384 m68k-*-openbsd*)
385         HostPlatform=m68k-unknown-openbsd
386         TargetPlatform=m68k-unknown-openbsd
387         BuildPlatform=m68k-unknown-openbsd
388         HostPlatform_CPP='m68k_unknown_openbsd'
389         HostArch_CPP='m68k'
390         HostVendor_CPP='unknown'
391         HostOS_CPP='openbsd'
392         ;;
393 m68k-*-netbsd*)
394         HostPlatform=m68k-unknown-netbsd
395         TargetPlatform=m68k-unknown-netbsd
396         BuildPlatform=m68k-unknown-netbsd
397         HostPlatform_CPP='m68k_unknown_netbsd'
398         HostArch_CPP='m68k'
399         HostVendor_CPP='unknown'
400         HostOS_CPP='netbsd'
401         ;;
402 m68k-sun-sunos4*)
403         HostPlatform=m68k-sun-sunos4
404         TargetPlatform=m68k-sun-sunos4 #hack
405         BuildPlatform=m68k-sun-sunos4 #hack
406         HostPlatform_CPP='m68k_sun_sunos4'
407         HostArch_CPP='m68k'
408         HostVendor_CPP='sun'
409         HostOS_CPP='sunos4'
410         ;;
411 m88k-*-openbsd*)
412         HostPlatform=m88k-unknown-openbsd
413         TargetPlatform=m88k-unknown-openbsd
414         BuildPlatform=m88k-unknown-openbsd
415         HostPlatform_CPP='m88k_unknown_openbsd'
416         HostArch_CPP='m88k'
417         HostVendor_CPP='unknown'
418         HostOS_CPP='openbsd'
419         ;;
420 mips-*-linux*)
421         HostPlatform=mips-unknown-linux # hack again
422         TargetPlatform=mips-unknown-linux
423         BuildPlatform=mips-unknown-linux
424         HostPlatform_CPP='mips_unknown_linux'
425         HostArch_CPP='mips'
426         HostVendor_CPP='unknown'
427         HostOS_CPP='linux'
428         ;;
429 mipsel-*-linux*)
430         HostPlatform=mipsel-unknown-linux # hack again
431         TargetPlatform=mipsel-unknown-linux
432         BuildPlatform=mipsel-unknown-linux
433         HostPlatform_CPP='mipsel_unknown_linux'
434         HostArch_CPP='mipsel'
435         HostVendor_CPP='unknown'
436         HostOS_CPP='linux'
437         ;;
438 mips-dec-ultrix*)
439         HostPlatform_CPP='mips_dec_ultrix'
440         HostArch_CPP='mipsel'   # NB a little different
441         HostVendor_CPP='dec'
442         HostOS_CPP='ultrix'
443         ;;
444 mips-sgi-irix*)
445         HostPlatform=mips-sgi-irix
446         TargetPlatform=mips-sgi-irix #hack
447         BuildPlatform=mips-sgi-irix #hack
448         HostPlatform_CPP='mips_sgi_irix'
449         HostArch_CPP='mipseb'   # NB a little different
450         HostVendor_CPP='sgi'
451         HostOS_CPP='irix'
452         ;;
453 rs6000-ibm-aix*)
454         HostPlatform=rs6000-ibm-aix
455         TargetPlatform=rs6000-ibm-aix #hack
456         BuildPlatform=rs6000-ibm-aix #hack
457         HostPlatform_CPP='rs6000_ibm_aix'
458         HostArch_CPP='rs6000'
459         HostVendor_CPP='ibm'
460         HostOS_CPP='aix'
461         ;;
462 powerpc-ibm-aix*)
463         HostPlatform=powerpc-ibm-aix
464         TargetPlatform=powerpc-ibm-aix #hack
465         BuildPlatform=powerpc-ibm-aix #hack
466         HostPlatform_CPP='powerpc_ibm_aix'
467         HostArch_CPP='powerpc'
468         HostVendor_CPP='ibm'
469         HostOS_CPP='aix'
470         ;;
471 powerpc-apple-darwin*)
472         HostPlatform=powerpc-apple-darwin
473         TargetPlatform=powerpc-apple-darwin #hack
474         BuildPlatform=powerpc-apple-darwin #hack
475         HostPlatform_CPP='powerpc_apple_darwin'
476         HostArch_CPP='powerpc'
477         HostVendor_CPP='apple'
478         HostOS_CPP='darwin'
479         ;;
480 powerpc-unknown-linux*)
481         HostPlatform=powerpc-unknown-linux
482         TargetPlatform=powerpc-unknown-linux
483         BuildPlatform=powerpc-unknown-linux
484         HostPlatform_CPP='powerpc_unknown_linux'
485         HostArch_CPP='powerpc'
486         HostVendor_CPP='unknown'
487         HostOS_CPP='linux'
488         ;;
489 powerpc-unknown-openbsd*)
490         HostPlatform=powerpc-unknown-openbsd
491         TargetPlatform=powerpc-unknown-openbsd
492         BuildPlatform=powerpc-unknown-openbsd
493         HostPlatform_CPP='powerpc_unknown_openbsd'
494         HostArch_CPP='powerpc'
495         HostVendor_CPP='unknown'
496         HostOS_CPP='openbsd'
497         ;;
498 powerpc64-unknown-linux*)
499         HostPlatform=powerpc64-unknown-linux
500         TargetPlatform=powerpc64-unknown-linux
501         BuildPlatform=powerpc64-unknown-linux
502         HostPlatform_CPP='powerpc64_unknown_linux'
503         HostArch_CPP='powerpc64'
504         HostVendor_CPP='unknown'
505         HostOS_CPP='linux'
506         ;;
507
508 s390-ibm-linux*)
509        HostPlatform=s390-ibm-linux
510        TargetPlatform=s390-ibm-linux #hack
511        BuildPlatform=s390-ibm-linux #hack
512         HostPlatform_CPP='s390_ibm_linux'
513         HostArch_CPP='s390'
514         HostVendor_CPP='ibm'
515         HostOS_CPP='linux'
516         ;;
517 sparc-sun-sunos4*)
518         HostPlatform=sparc-sun-sunos4
519         TargetPlatform=sparc-sun-sunos4 #hack
520         BuildPlatform=sparc-sun-sunos4 #hack
521         HostPlatform_CPP='sparc_sun_sunos4'
522         HostArch_CPP='sparc'
523         HostVendor_CPP='sun'
524         HostOS_CPP='sunos4'
525         ;;
526 sparc-sun-solaris2*)
527         HostPlatform=sparc-sun-solaris2
528         TargetPlatform=sparc-sun-solaris2 #hack
529         BuildPlatform=sparc-sun-solaris2 #hack
530         HostPlatform_CPP='sparc_sun_solaris2'
531         HostArch_CPP='sparc'
532         HostVendor_CPP='sun'
533         HostOS_CPP='solaris2'
534         ;;
535 sparc*-linux*)
536         HostPlatform=sparc-unknown-linux
537         TargetPlatform=sparc-unknown-linux
538         BuildPlatform=sparc-unknown-linux
539         HostPlatform_CPP='sparc_unknown_linux'
540         HostArch_CPP='sparc'
541         HostVendor_CPP='unknown'
542         HostOS_CPP='linux'
543         ;;
544 sparc-*-openbsd*)
545         HostPlatform=sparc-unknown-openbsd
546         TargetPlatform=sparc-unknown-openbsd
547         BuildPlatform=sparc-unknown-openbsd
548         HostPlatform_CPP='sparc_unknown_openbsd'
549         HostArch_CPP='sparc'
550         HostVendor_CPP='unknown'
551         HostOS_CPP='openbsd'
552         ;;
553 sparc64-*-openbsd*)
554         HostPlatform=sparc64-unknown-openbsd
555         TargetPlatform=sparc64-unknown-openbsd
556         BuildPlatform=sparc64-unknown-openbsd
557         HostPlatform_CPP='sparc64_unknown_openbsd'
558         HostArch_CPP='sparc64'
559         HostVendor_CPP='unknown'
560         HostOS_CPP='openbsd'
561         ;;
562 vax-*-openbsd*)
563         HostPlatform=vax-unknown-openbsd
564         TargetPlatform=vax-unknown-openbsd
565         BuildPlatform=vax-unknown-openbsd
566         HostPlatform_CPP='vax_unknown_openbsd'
567         HostArch_CPP='vax'
568         HostVendor_CPP='unknown'
569         HostOS_CPP='openbsd'
570         ;;
571 *)
572         echo "Unrecognised platform: $HostPlatform"
573         exit 1
574         ;;
575 esac
576 echo "Canonicalised to: $HostPlatform"
577 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
578 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
579
580 BuildPlatform_CPP=$HostPlatform_CPP
581 TargetPlatform_CPP=$HostPlatform_CPP
582 BuildArch_CPP=$HostArch_CPP
583 TargetArch_CPP=$HostArch_CPP
584 BuildOS_CPP=$HostOS_CPP
585 HostOS_Full=$host_os
586 TargetOS_CPP=$HostOS_CPP
587 BuildVendor_CPP=$HostVendor_CPP
588 TargetVendor_CPP=$HostVendor_CPP
589
590 AC_SUBST(BuildPlatform)
591 AC_SUBST(HostPlatform)
592 AC_SUBST(TargetPlatform)
593 AC_SUBST(HostPlatform_CPP)
594 AC_SUBST(BuildPlatform_CPP)
595 AC_SUBST(TargetPlatform_CPP)
596
597 AC_SUBST(HostArch_CPP)
598 AC_SUBST(BuildArch_CPP)
599 AC_SUBST(TargetArch_CPP)
600
601 AC_SUBST(HostOS_CPP)
602 AC_SUBST(HostOS_Full)
603 AC_SUBST(BuildOS_CPP)
604 AC_SUBST(TargetOS_CPP)
605
606 AC_SUBST(HostVendor_CPP)
607 AC_SUBST(BuildVendor_CPP)
608 AC_SUBST(TargetVendor_CPP)
609
610 AC_SUBST(exeext)
611
612 FP_FIND_ROOT
613
614 dnl --------------------------------------------------------------
615 dnl * Project specific configuration options
616 dnl --------------------------------------------------------------
617 dnl What follows is a bunch of options that can either be configured
618 dnl through command line options to the configure script or by
619 dnl supplying defns in the build tree's mk/build.mk. Having the option to
620 dnl use either is considered a Feature.
621
622 dnl ** What command to use to compile compiler sources ?
623 dnl --------------------------------------------------------------
624
625 AC_ARG_WITH([ghc],
626 [AC_HELP_STRING([--with-ghc=ARG],
627   [Use ARG as the path to GHC  [default=autodetect]])],
628   [WithGhc="$withval"],
629   [if test "$GHC" = ""; then
630     AC_PATH_PROG([GHC], [ghc])
631   fi
632   WithGhc="$GHC"])
633 AC_SUBST([WithGhc])
634
635 AC_ARG_WITH(hc,
636 [AC_HELP_STRING([--with-hc=ARG],
637         [Use ARG as the path to the compiler for compiling ordinary
638          Haskell code  (default= value of --with-ghc)])],
639 [WithHc="$withval"],
640 [WithHc=$WithGhc]
641 )
642 AC_SUBST(WithHc)
643
644 if test "$WithGhc" != ""; then
645   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
646   AC_SUBST(GhcVersion)dnl
647   AC_SUBST(GhcMajVersion)dnl
648   AC_SUBST(GhcMinVersion)dnl
649   AC_SUBST(GhcPatchLevel)dnl
650   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
651   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
652   if test $GhcCanonVersion -ge 601; then ghc_ge_601=YES; else ghc_ge_601=NO; fi
653   if test $GhcCanonVersion -ge 602; then ghc_ge_602=YES; else ghc_ge_602=NO; fi
654   if test $GhcCanonVersion -ge 603; then ghc_ge_603=YES; else ghc_ge_603=NO; fi
655   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
656   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
657   AC_SUBST(ghc_ge_601)dnl
658   AC_SUBST(ghc_ge_602)dnl
659   AC_SUBST(ghc_ge_603)dnl
660   AC_SUBST(ghc_ge_605)dnl
661   AC_SUBST(ghc_ge_607)dnl
662 fi
663
664 # Check whether this GHC has readline installed
665 FP_GHC_HAS_READLINE
666
667 AC_PATH_PROGS(NHC,nhc nhc98)
668 AC_PATH_PROG(HBC,hbc)
669
670 dnl ** Which gcc to use?
671 dnl --------------------------------------------------------------
672 AC_ARG_WITH(gcc,
673 [AC_HELP_STRING([--with-gcc=ARG],
674         [Use ARG as the path to GCC  [default=autodetect]])],
675 [WhatGccIsCalled="$withval"
676  if test "x$HostPlatform" = "xi386-unknown-mingw32"
677     then
678        if test "${OSTYPE}" != "msys"
679          then
680          # Canonicalise to <drive>:/path/to/gcc
681          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
682        fi
683  fi;
684  CC="$withval"
685  export CC
686  ],
687 [WhatGccIsCalled="gcc"]
688 )
689 AC_SUBST(WhatGccIsCalled)
690
691 dnl ** Which ld to use?
692 dnl --------------------------------------------------------------
693 AC_ARG_WITH(ld,
694 [AC_HELP_STRING([--with-ld=ARG],
695         [Use ARG as the path to LD  [default=autodetect]])],
696 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
697     then
698        if test "${OSTYPE}" != "msys"
699          then
700          # Canonicalise to <drive>:/path/to/ld
701          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
702        fi
703  fi;
704  LD=$withval
705  FP_PROG_LD([$LD])
706  ],
707  [FP_PROG_LD()]
708 )
709
710 dnl ** Booting from .hc files?
711 dnl --------------------------------------------------------------
712 AC_ARG_ENABLE(hc-boot,
713 [AC_HELP_STRING([--enable-hc-boot],
714 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
715  (This option is mostly of interest to porters.) [default=no]])],
716 [ if test x"$enableval" = x"yes"; then
717         BootingFromHc=YES
718   else
719         BootingFromHc=NO
720   fi
721 ],
722 [BootingFromHc=NO]
723 )
724 AC_SUBST(BootingFromHc)
725
726 dnl ** Booting from unregisterised .hc files?
727 dnl --------------------------------------------------------------
728 AC_ARG_ENABLE(hc-boot-unregisterised,
729 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
730 [ With --enable-hc-boot, treat the intermediate .hc files as
731  unregisterised rather than registerised code.
732  (This option is mostly of interest to porters.) [default=no]])],
733 [ if test x"$enableval" = x"yes"; then
734         BootingFromUnregisterisedHc=YES
735   else
736         BootingFromUnregisterisedHc=NO
737   fi
738 ],
739 [BootingFromUnregisterisedHc=NO]
740 )
741 AC_SUBST(BootingFromUnregisterisedHc)
742
743 if test "$BootingFromHc" = "NO"; then
744 if test "$BootingFromUnregisterisedHc" = "YES"; then
745 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
746 fi;
747 fi;
748
749 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
750 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
751 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
752 fi;
753
754 dnl ** Enable the construction of Win32 DLLs?
755 dnl --------------------------------------------------------------
756 dnl
757 dnl [ The ability to build the RTS and libraries as separate DLLs used
758 dnl   to be supported, but isn't currently (updates to the RTS, compiler
759 dnl   and build system would be required to bring it back again.)
760 dnl   Hence, exposing it as an option is false advertisement, so better
761 dnl   disable it to avoid confusion (but leave it commented-out rather
762 dnl   than removed in order to remind ourselves to bring back the
763 dnl   feature at some stage.) ]
764 dnl
765 dnl AC_ARG_ENABLE(win32-dlls,
766 dnl [  --enable-win32-dlls
767 dnl         If on a Win32 platform running mingw32/cygwin, enable the
768 dnl         construction of DLLs containing ghc-compiled code.
769 dnl ],
770 dnl [
771 dnl case $HostOS_CPP in
772 dnl cygwin32) ;;
773 dnl mingw32)  ;;
774 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
775 dnl       exit 1
776 dnl       ;;
777 dnl esac
778 dnl EnableWin32DLLs=YES
779 dnl ],
780 dnl [EnableWin32DLLs=NO]
781 dnl )
782 dnl AC_SUBST(EnableWin32DLLs)
783 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
784 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
785 dnl fi
786
787 dnl ** Enable the building of the ObjectIO?
788 dnl --------------------------------------------------------------
789 AC_ARG_ENABLE(objectio,
790 [AC_HELP_STRING([--enable-objectio],
791 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
792 [ if test x"$enableval" = x"yes"; then
793         GhcLibsWithObjectIO=YES
794   else
795         GhcLibsWithObjectIO=NO
796   fi
797 ],
798 [GhcLibsWithObjectIO=NO]
799 )
800 AC_SUBST(GhcLibsWithObjectIO)
801
802 dnl ** .NET interop support?
803 dnl --------------------------------------------------------------
804 AC_ARG_ENABLE(dotnet,
805 [AC_HELP_STRING([--enable-dotnet],
806 [Build .NET interop layer. [default=no]])],
807 [ if test x"$enableval" = x"yes"; then
808         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
809   else
810         DotnetSupport=NO
811   fi],
812 [DotnetSupport=NO]
813 )
814 AC_SUBST(DotnetSupport)
815
816 dnl --------------------------------------------------------------
817 dnl End of configure script option section
818 dnl --------------------------------------------------------------
819
820
821 dnl --------------------------------------------------------------
822 dnl * General configuration checks
823 dnl --------------------------------------------------------------
824
825 dnl ** Can the unix package be built?
826 dnl --------------------------------------------------------------
827
828 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
829    GhcLibsWithUnix=NO
830 else
831    GhcLibsWithUnix=YES
832 fi
833 AC_SUBST([GhcLibsWithUnix])
834
835 dnl ** does #! work?
836 AC_SYS_INTERPRETER()
837
838 dnl ** look for `perl', but only in /bin on Windows
839 case $HostOS_CPP in
840 cygwin32|mingw32)
841       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
842       if test -z "$PerlCmd"; then
843          echo "You must install the version of Perl shipped with GHC"
844          echo "(or a compatible one) in /bin."
845          exit 1
846       fi
847    ;;
848 *)
849    AC_PATH_PROG(PerlCmd,perl)
850    if test -z "$PerlCmd"; then
851       echo "You must install perl before you can continue"
852       echo "Perhaps it is already installed, but not in your PATH?"
853       exit 1
854    else
855    FPTOOLS_CHECK_PERL_VERSION
856    fi
857    ;;
858 esac
859
860 dnl ** does #! path/to/perl work? (sometimes it's too long...)
861 FPTOOLS_SHEBANG_PERL
862
863 dnl ** check for Python
864 AC_PATH_PROG(PythonCmd,python)
865
866 dnl ** look for GCC and find out which version
867 dnl     Figure out which C compiler to use.  Gcc is preferred.
868 dnl     If gcc, make sure it's at least 2.1
869 dnl
870 FP_HAVE_GCC
871 FP_MINGW_GCC
872 FP_GCC_NEEDS_NO_OMIT_LFPTR
873 FP_GCC_HAS_NO_UNIT_AT_A_TIME
874 FP_GCC_HAS_WRAPV
875
876 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
877 AC_PROG_CPP
878
879 dnl ** Without optimization some INLINE trickery fails for GHCi
880 SRC_CC_OPTS="-O"
881
882 dnl ** Try to add -mno-cygwin to the C compiler options
883 FP_CHECK_FLAG([-mno-cygwin], [
884 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
885 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
886 AC_SUBST(SRC_CC_OPTS)
887
888 dnl ** figure out how to do context diffs
889 FP_PROG_CONTEXT_DIFF
890
891 dnl ** Find find command (for Win32's benefit)
892 FP_PROG_FIND
893
894 dnl ** Find sort command (for the benefit of Win32 environs)
895 FP_PROG_SORT
896
897 dnl ** figure out how to do a BSD-ish install
898 AC_PROG_INSTALL
899 dnl Let's make sure install-sh is executable here.  If we got it from
900 dnl a darcs repo, it might not be (see bug #978).
901 chmod +x install-sh
902
903 dnl If you can run configure, you certainly have /bin/sh
904 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
905
906 dnl ** how to invoke `ar' and `ranlib'
907 FP_PROG_AR_NEEDS_RANLIB
908 FP_PROG_AR_SUPPORTS_INPUT
909
910 dnl ** Check to see whether ln -s works
911 AC_PROG_LN_S
912
913
914 dnl ** Find the path to sed
915 AC_PATH_PROG(SedCmd,sed)
916
917
918 dnl ** check for time command
919 AC_PATH_PROG(TimeCmd,time)
920
921 dnl ** check for tar
922 dnl   if GNU tar is named gtar, look for it first.
923 AC_PATH_PROGS(TarCmd,gtar tar,tar)
924
925 dnl ** check for DocBook toolchain
926 FP_CHECK_DOCBOOK_DTD
927 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
928 FP_PROG_FO_PROCESSOR
929
930 dnl ** check for ghc-pkg command
931 FP_PROG_GHC_PKG
932
933 AC_ARG_WITH(greencard,
934 [AC_HELP_STRING([--with-greencard=ARG],
935         [Use ARG as the path to greencard  [default=autodetct]])],
936 [
937 GreenCardCmd=$withval;
938 FPTOOLS_GREENCARD(3.00)
939 ]
940 )
941
942 dnl ** check for installed happy binary + version
943 dnl    (don't do it if we're booting from .hc files though.)
944 if test "$BootingFromHc" = "NO"; then
945 FPTOOLS_HAPPY
946 fi;
947
948 dnl ** check for installed haddock
949 FPTOOLS_HADDOCK
950
951 dnl ** check for installed alex binary + version
952 dnl    (don't do it if we're booting from .hc files though.)
953 if test "$BootingFromHc" = "NO"; then
954 FPTOOLS_ALEX
955 fi;
956
957 dnl --------------------------------------------------
958 dnl ### program checking section ends here ###
959 dnl --------------------------------------------------
960
961 dnl --------------------------------------------------
962 dnl * Platform header file and syscall feature tests
963 dnl ### checking the state of the local header files and syscalls ###
964
965 dnl ** check for full ANSI header (.h) files
966 AC_HEADER_STDC
967
968 dnl ** Enable large file support.  NB. do this before testing the type of
969 dnl    off_t, because it will affect the result of that test.
970 AC_SYS_LARGEFILE
971
972 dnl ** check for specific header (.h) files that we are interested in
973 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])
974
975 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
976 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
977
978 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
979   GhcLibsWithReadline=YES
980   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
981 else
982   GhcLibsWithReadline=NO
983   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
984 fi
985 AC_SUBST(GhcLibsWithReadline)
986
987 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
988 AC_HEADER_TIME
989
990 dnl ** do we have long longs?
991 AC_CHECK_TYPES([long long])
992
993 dnl ** what are the sizes of various types
994 AC_CHECK_SIZEOF(char,               1)
995 AC_CHECK_SIZEOF(double,             8)
996 AC_CHECK_SIZEOF(float,              4)
997 AC_CHECK_SIZEOF(int,                4)
998 AC_CHECK_SIZEOF(long,               4)
999 if test "$ac_cv_type_long_long" = yes; then
1000 AC_CHECK_SIZEOF(long long,          8)
1001 fi
1002 AC_CHECK_SIZEOF(short,              2)
1003 AC_CHECK_SIZEOF(unsigned char,      1)
1004 AC_CHECK_SIZEOF(unsigned int,       4)
1005 AC_CHECK_SIZEOF(unsigned long,      4)
1006 if test "$ac_cv_type_long_long" = yes; then
1007 AC_CHECK_SIZEOF(unsigned long long, 8)
1008 fi
1009 AC_CHECK_SIZEOF(unsigned short,     2)
1010 AC_CHECK_SIZEOF(void *,             4)
1011
1012 dnl ** what are alignment constraints on various types
1013 FP_CHECK_ALIGNMENT(char)
1014 FP_CHECK_ALIGNMENT(double)
1015 FP_CHECK_ALIGNMENT(float)
1016 FP_CHECK_ALIGNMENT(int)
1017 FP_CHECK_ALIGNMENT(long)
1018 if test "$ac_cv_type_long_long" = yes; then
1019 FP_CHECK_ALIGNMENT(long long)
1020 fi
1021 FP_CHECK_ALIGNMENT(short)
1022 FP_CHECK_ALIGNMENT(unsigned char)
1023 FP_CHECK_ALIGNMENT(unsigned int)
1024 FP_CHECK_ALIGNMENT(unsigned long)
1025 if test "$ac_cv_type_long_long" = yes; then
1026 FP_CHECK_ALIGNMENT(unsigned long long)
1027 fi
1028 FP_CHECK_ALIGNMENT(unsigned short)
1029 FP_CHECK_ALIGNMENT(void *)
1030
1031 FP_CHECK_FUNC([WinExec],
1032   [@%:@include <windows.h>], [WinExec("",0)])
1033
1034 FP_CHECK_FUNC([GetModuleFileName],
1035   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1036
1037 dnl ** check return type of signal handlers
1038 dnl Foo: assumes we can use prototypes.
1039 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1040 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1041 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1042 dnl #include <signal.h>
1043 dnl #ifdef signal
1044 dnl #undef signal
1045 dnl #endif
1046 dnl void (*signal (int, void (*)(int)))(int);
1047 dnl ]],
1048 dnl [[int i;]])],
1049 dnl [ac_cv_type_signal_handler=void_int],
1050 dnl [ac_cv_type_signal_handler=int_void])])
1051 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1052 dnl AC_DEFINE(VOID_INT_SIGNALS)
1053 dnl fi
1054
1055 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1056 AC_TYPE_SIGNAL
1057 if test "$ac_cv_type_signal" = void; then
1058   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).])
1059 fi
1060
1061 dnl ** check for more functions
1062 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1063 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1064 dnl ** For ghc/rts/gmp:
1065 AC_CHECK_FUNCS([getpagesize])
1066
1067 dnl ** check whether this machine has gmp3 installed
1068 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1069   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1070     HaveLibGmp=NO; LibGmp=not-installed))
1071 AC_SUBST(HaveLibGmp)
1072 AC_SUBST(LibGmp)
1073
1074 dnl ** (Mac OS X only: check for GMP.framework)
1075 HaveFrameworkGMP=NO
1076 case $HostPlatform in
1077 *-apple-darwin)
1078     AC_MSG_CHECKING([for GMP.framework])
1079     save_libs="$LIBS"
1080     LIBS="-framework GMP"
1081     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1082     if test $HaveFrameworkGMP = YES; then
1083       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1084     fi;
1085     LIBS="$save_libs"
1086     AC_MSG_RESULT([$HaveFrameworkGMP])
1087     ;;
1088 esac
1089 AC_SUBST(HaveFrameworkGMP)
1090
1091 dnl ** check for mingwex library
1092 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1093 AC_SUBST(HaveLibMingwEx)
1094
1095 if test $HaveLibMingwEx = YES ; then
1096   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1097 fi
1098
1099 if test "$HaveLibGmp" = "NO"; then
1100 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1101 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1102 fi;
1103 fi;
1104
1105 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1106 dnl    the order of these tests matters: bfd needs liberty
1107 AC_CHECK_LIB(iberty, xmalloc)
1108 AC_CHECK_LIB(bfd,    bfd_init)
1109
1110 dnl ** check for math library
1111 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1112 if test x"$fp_libm_not_needed" = xdunno; then
1113    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1114 fi
1115 AC_SUBST([LIBM])
1116
1117 dnl ################################################################
1118 dnl Check for libraries
1119 dnl ################################################################
1120
1121 dnl ** check whether we need -ldl to get dlopen()
1122
1123 AC_CHECK_LIB(dl, dlopen,
1124     [HaveLibDL=YES
1125      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1126      LIBS="$LIBS -ldl"],
1127     [HaveLibDL=NO])
1128 AC_SUBST(HaveLibDL)
1129
1130 dnl --------------------------------------------------
1131 dnl * Miscellaneous feature tests
1132 dnl --------------------------------------------------
1133
1134 dnl ** can we get alloca?
1135 AC_FUNC_ALLOCA
1136
1137 dnl ** Working vfork?
1138 AC_FUNC_FORK
1139
1140 dnl ** determine whether or not const works
1141 AC_C_CONST
1142
1143 dnl ** are we big endian?
1144 AC_C_BIGENDIAN
1145 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1146
1147 dnl ** check for leading underscores in symbol names
1148 FP_LEADING_UNDERSCORE
1149
1150 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1151 FP_PROG_LD_X
1152 FP_PROG_LD_IS_GNU
1153
1154 dnl ** check for Apple-style dead-stripping support
1155 dnl    (.subsections-via-symbols assembler directive)
1156
1157
1158 AC_MSG_CHECKING(for .subsections_via_symbols)
1159 AC_COMPILE_IFELSE(
1160     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1161     [AC_MSG_RESULT(yes)
1162      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1163                [Define to 1 if Apple-style dead-stripping is supported.])
1164     ],
1165     [AC_MSG_RESULT(no)])
1166
1167 dnl *** check for GNU non-executable stack note support (ELF only)
1168 dnl     (.section .note.GNU-stack,"",@progbits)
1169
1170 AC_MSG_CHECKING(for GNU non-executable stack support)
1171 AC_COMPILE_IFELSE(
1172     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1173     [AC_MSG_RESULT(yes)
1174      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1175                [Define to 1 if GNU non-executable stack notes are supported.])
1176     ],
1177     [AC_MSG_RESULT(no)])
1178
1179 dnl ** check for librt
1180 AC_CHECK_LIB(rt, clock_gettime)
1181 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1182 FP_CHECK_TIMER_CREATE
1183
1184 dnl ** check for Apple's "interesting" long double compatibility scheme
1185 AC_MSG_CHECKING(for printf\$LDBLStub)
1186 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1187     [
1188         AC_MSG_RESULT(yes)
1189         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1190             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1191     ],
1192     [
1193         AC_MSG_RESULT(no)
1194         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1195             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1196     ])
1197
1198 # test for GTK+
1199 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1200 if test -n "$GTK_CONFIG"; then
1201   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1202     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1203   else
1204     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1205     GTK_CONFIG=
1206   fi
1207 fi
1208 AC_SUBST([GTK_CONFIG])
1209
1210 #Checking for PAPI
1211 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1212 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1213 AC_SUBST(HavePapiLib)
1214 AC_SUBST(HavePapiHeader)
1215
1216 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1217    HavePapi=YES
1218 else
1219    HavePapi=NO
1220 fi
1221 AC_SUBST(HavePapi)
1222
1223 AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
1224 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1225 AC_OUTPUT