Remove all references to -mno-cygwin
[ghc.git] / configure.ac
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
3 dnl  (or some such) to see the outline of this file)
4 dnl
5 #
6 # (c) The University of Glasgow 1994-2004
7 #
8 # Configure script template for GHC
9 #
10 # Process with 'autoreconf' to get a working configure script.
11 #
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
14 #
15
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.9], [glasgow-haskell-bugs@haskell.org], [ghc])
17
18 # Set this to YES for a released version, otherwise NO
19 : ${RELEASE=NO}
20
21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
22 # above.  If this is not a released version, then we will append the
23 # date to the version number (e.g. 6.7.20070204).  The date is
24 # constructed by finding the date of the most recent patch in the
25 # darcs repository.  If this is a source distribution (not a darcs
26 # checkout), then we ship a file 'VERSION' containing the full version
27 # when the source distribution was created.
28
29 if test ! -f mk/config.h.in; then
30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
31    exit 1
32 fi
33
34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
35
36 FP_SETUP_PROJECT_VERSION
37
38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
39 AC_SUBST([release], [1])
40
41 # First off, a distrib sanity check..
42 AC_CONFIG_SRCDIR([mk/config.mk.in])
43
44 dnl * We require autoconf version 2.52
45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
47 AC_PREREQ([2.52])
48
49 # -------------------------------------------------------------------------
50 # Prepare to generate the following header files
51 #
52 #
53 AC_CONFIG_HEADER(mk/config.h)
54
55 # No, semi-sadly, we don't do `--srcdir'...
56 if test x"$srcdir" != 'x.' ; then
57     echo "This configuration does not support the \`--srcdir' option.."
58     exit 1
59 fi
60
61 dnl--------------------------------------------------------------------
62 dnl * Deal with arguments telling us gmp is somewhere odd
63 dnl--------------------------------------------------------------------
64
65 FP_ARG_GMP
66
67 GMP_INCLUDE_DIRS=
68 GMP_LIB_DIRS=
69 if test "x$gmp_libraries" != "xNONE"; then
70   LDFLAGS="-L$gmp_libraries $LDFLAGS"
71   GMP_LIB_DIRS=$gmp_libraries
72 fi
73 if test "x$gmp_includes" != "xNONE"; then
74   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
75   GMP_INCLUDE_DIRS=$gmp_includes
76 fi
77 AC_SUBST(GMP_INCLUDE_DIRS)
78 AC_SUBST(GMP_LIB_DIRS)
79
80 dnl--------------------------------------------------------------------
81 dnl * Choose host(/target/build) platform
82 dnl--------------------------------------------------------------------
83
84 dnl Guess host/target/build platform(s) if necessary.
85 AC_CANONICAL_TARGET
86
87 # "$host" defaults to "$target"
88 if test "x$host" = xNONE ; then
89     host=$target
90 fi
91
92 dnl ** canonicalize platform names
93 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
94 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
95 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
96
97 if test x"$TargetPlatform" != x"$HostPlatform" ; then
98     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
99     exit 1
100 fi
101
102 exeext=''
103 soext='.so'
104 #
105 # The following will be more difficult when we *are* cross-compiling.
106 # Suitable names to slam in *_CPP are in platform.h.in.
107 # We also record the architecture, vendor, and operating system (OS)
108 # separately.
109 case $HostPlatform in
110 alpha*-dec-osf[[12]]*)
111         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
112         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
113         BuildPlatform=alpha-dec-osf1  # hack
114         HostPlatform_CPP='alpha_dec_osf1'
115         HostArch_CPP='alpha'
116         HostVendor_CPP='dec'
117         HostOS_CPP='osf1'
118         ;;
119 alpha*-dec-osf[[345]]*)
120         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
121         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
122         BuildPlatform=alpha-dec-osf3  # hack
123         HostPlatform_CPP='alpha_dec_osf3'
124         HostArch_CPP='alpha'
125         HostVendor_CPP='dec'
126         HostOS_CPP='osf3'
127         ;;
128 alpha*-unknown-linux*)
129         HostPlatform=alpha-unknown-linux
130         TargetPlatform=alpha-unknown-linux
131         BuildPlatform=alpha-unknown-linux
132         HostPlatform_CPP='alpha_unknown_linux'
133         HostArch_CPP='alpha'
134         HostVendor_CPP='unknown'
135         HostOS_CPP='linux'
136         ;;
137 alpha*-unknown-freebsd*)
138         HostPlatform=alpha-unknown-freebsd
139         TargetPlatform=alpha-unknown-freebsd
140         BuildPlatform=alpha-unknown-freebsd
141         HostPlatform_CPP='alpha_unknown_freebsd'
142         HostArch_CPP='alpha'
143         HostVendor_CPP='unknown'
144         HostOS_CPP='freebsd'
145         ;;
146 alpha*-unknown-openbsd*)
147         HostPlatform=alpha-unknown-openbsd
148         TargetPlatform=alpha-unknown-openbsd
149         BuildPlatform=alpha-unknown-openbsd
150         HostPlatform_CPP='alpha_unknown_openbsd'
151         HostArch_CPP='alpha'
152         HostVendor_CPP='unknown'
153         HostOS_CPP='openbsd'
154         ;;
155 amd64-*-openbsd*|x86_64-*-openbsd*)
156         HostPlatform=x86_64-unknown-openbsd
157         TargetPlatform=x86_64-unknown-openbsd
158         BuildPlatform=x86_64-unknown-openbsd
159         HostPlatform_CPP='x86_64_unknown_openbsd'
160         HostArch_CPP='x86_64'
161         HostVendor_CPP='unknown'
162         HostOS_CPP='openbsd'
163         ;;
164 amd64-*-freebsd*|x86_64-*-freebsd*)
165         HostPlatform=x86_64-unknown-freebsd
166         TargetPlatform=x86_64-unknown-freebsd
167         BuildPlatform=x86_64-unknown-freebsd
168         HostPlatform_CPP='x86_64_unknown_freebsd'
169         HostArch_CPP='x86_64'
170         HostVendor_CPP='unknown'
171         HostOS_CPP='freebsd'
172         ;;
173 amd64-*-netbsd*|x86_64-*-netbsd*)
174         HostPlatform=x86_64-unknown-netbsd
175         TargetPlatform=x86_64-unknown-netbsd
176         BuildPlatform=x86_64-unknown-netbsd
177         HostPlatform_CPP='x86_64_unknown_netbsd'
178         HostArch_CPP='x86_64'
179         HostVendor_CPP='unknown'
180         HostOS_CPP='netbsd'
181         ;;
182 arm*-linux*)
183         HostPlatform=arm-unknown-linux # hack again
184         TargetPlatform=arm-unknown-linux
185         BuildPlatform=arm-unknown-linux
186         HostPlatform_CPP='arm_unknown_linux'
187         HostArch_CPP='arm'
188         HostVendor_CPP='unknown'
189         HostOS_CPP='linux'
190         ;;
191 arm*-openbsd*)
192         HostPlatform=arm-unknown-openbsd
193         TargetPlatform=arm-unknown-openbsd
194         BuildPlatform=arm-unknown-openbsd
195         HostPlatform_CPP='arm_unknown_openbsd'
196         HostArch_CPP='arm'
197         HostVendor_CPP='unknown'
198         HostOS_CPP='openbsd'
199         ;;
200 hppa*-*-linux*)
201         HostPlatform=hppa-unknown-linux # hack again
202         TargetPlatform=hppa-unknown-linux
203         BuildPlatform=hppa-unknown-linux
204         HostPlatform_CPP='hppa_unknown_linux'
205         HostArch_CPP='hppa'
206         HostVendor_CPP='unknown'
207         HostOS_CPP='linux'
208         ;;
209 hppa*-*-openbsd*)
210         HostPlatform=hppa-unknown-openbsd # hack again
211         TargetPlatform=hppa-unknown-openbsd
212         BuildPlatform=hppa-unknown-openbsd
213         HostPlatform_CPP='hppa_unknown_openbsd'
214         HostArch_CPP='hppa'
215         HostVendor_CPP='unknown'
216         HostOS_CPP='openbsd'
217         ;;
218 hppa1.1-hp-hpux*)
219         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
220         TargetPlatform=hppa1.1-hp-hpux
221         BuildPlatform=hppa1.1-hp-hpux
222         HostPlatform_CPP='hppa1_1_hp_hpux'
223         HostArch_CPP='hppa1_1'
224         HostVendor_CPP='hp'
225         HostOS_CPP='hpux'
226         ;;
227 i[[3456]]86-*-linuxaout*)
228         HostPlatform=i386-unknown-linuxaout   # hack again
229         TargetPlatform=i386-unknown-linuxaout
230         BuildPlatform=i386-unknown-linuxaout
231         HostPlatform_CPP='i386_unknown_linuxaout'
232         HostArch_CPP='i386'
233         HostVendor_CPP='unknown'
234         HostOS_CPP='linuxaout'
235         ;;
236 i[[3456]]86-*-linux*)
237         HostPlatform=i386-unknown-linux # hack again
238         TargetPlatform=i386-unknown-linux
239         BuildPlatform=i386-unknown-linux
240         HostPlatform_CPP='i386_unknown_linux'
241         HostArch_CPP='i386'
242         HostVendor_CPP='unknown'
243         HostOS_CPP='linux'
244         ;;
245 i[[3456]]86-*-kfreebsd*-gnu)
246         HostPlatform=i386-unknown-kfreebsdgnu # hack again
247         TargetPlatform=i386-unknown-kfreebsdgnu
248         BuildPlatform=i386-unknown-kfreebsdgnu
249         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
250         HostArch_CPP='i386'
251         HostVendor_CPP='unknown'
252         HostOS_CPP='kfreebsdgnu'
253         ;;
254 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
255         HostPlatform=i386-unknown-freebsd # hack again
256         TargetPlatform=i386-unknown-freebsd
257         BuildPlatform=i386-unknown-freebsd
258         HostPlatform_CPP='i386_unknown_freebsd'
259         HostArch_CPP='i386'
260         HostVendor_CPP='unknown'
261         HostOS_CPP='freebsd'
262         ;;
263 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
264         HostPlatform=i386-unknown-freebsd2 # hack again
265         TargetPlatform=i386-unknown-freebsd2
266         BuildPlatform=i386-unknown-freebsd2
267         HostPlatform_CPP='i386_unknown_freebsd2'
268         HostArch_CPP='i386'
269         HostVendor_CPP='unknown'
270         HostOS_CPP='freebsd2'
271         ;;
272 i[[3456]]86-*-netbsd*)
273         HostPlatform=i386-unknown-netbsd # hack again
274         TargetPlatform=i386-unknown-netbsd
275         BuildPlatform=i386-unknown-netbsd
276         HostPlatform_CPP='i386_unknown_netbsd'
277         HostArch_CPP='i386'
278         HostVendor_CPP='unknown'
279         HostOS_CPP='netbsd'
280         ;;
281 i[[3456]]86-*-openbsd*)
282         HostPlatform=i386-unknown-openbsd # hack again
283         TargetPlatform=i386-unknown-openbsd
284         BuildPlatform=i386-unknown-openbsd
285         HostPlatform_CPP='i386_unknown_openbsd'
286         HostArch_CPP='i386'
287         HostVendor_CPP='unknown'
288         HostOS_CPP='openbsd'
289         ;;
290 i[[3456]]86-*-solaris2*)
291         HostPlatform=i386-unknown-solaris2 # hack again
292         TargetPlatform=i386-unknown-solaris2
293         BuildPlatform=i386-unknown-solaris2
294         HostPlatform_CPP='i386_unknown_solaris2'
295         HostArch_CPP='i386'
296         HostVendor_CPP='unknown'
297         HostOS_CPP='solaris2'
298         ;;
299 i[[3456]]86-*-cygwin*)
300         HostPlatform=i386-unknown-cygwin32 # hack again
301         TargetPlatform=i386-unknown-cygwin32
302         BuildPlatform=i386-unknown-cygwin32
303         HostPlatform_CPP='i386_unknown_cygwin32'
304         HostArch_CPP='i386'
305         HostVendor_CPP='unknown'
306         HostOS_CPP='cygwin32'
307         exeext='.exe'
308         soext='.dll'
309         ;;
310 i[[3456]]86-*-mingw32*)
311         HostPlatform=i386-unknown-mingw32 # hack again
312         TargetPlatform=i386-unknown-mingw32
313         BuildPlatform=i386-unknown-mingw32
314         HostPlatform_CPP='i386_unknown_mingw32'
315         HostArch_CPP='i386'
316         HostVendor_CPP='unknown'
317         HostOS_CPP='mingw32'
318         exeext='.exe'
319         soext='.dll'
320         ;;
321 i[[3456]]86-apple-darwin*)
322         HostPlatform=i386-apple-darwin
323         TargetPlatform=i386-apple-darwin #hack
324         BuildPlatform=i386-apple-darwin #hack
325         HostPlatform_CPP='i386_apple_darwin'
326         HostArch_CPP='i386'
327         HostVendor_CPP='apple'
328         HostOS_CPP='darwin'
329         soext='.dylib'
330         ;;
331 i[[3456]]86-*-gnu*)
332         HostPlatform=i386-unknown-gnu
333         TargetPlatform=i386-unknown-gnu
334         BuildPlatform=i386-unknown-gnu
335         HostPlatform_CPP=i386_unknown_gnu
336         HostArch_CPP=i386
337         HostVendor_CPP=unknown
338         HostOS_CPP=gnu
339         ;;
340 ia64-*-linux*)
341         HostPlatform=ia64-unknown-linux # hack again
342         TargetPlatform=ia64-unknown-linux
343         BuildPlatform=ia64-unknown-linux
344         HostPlatform_CPP='ia64_unknown_linux'
345         HostArch_CPP='ia64'
346         HostVendor_CPP='unknown'
347         HostOS_CPP='linux'
348         ;;
349 x86_64-*-linux*)
350         HostPlatform=x86_64-unknown-linux
351         TargetPlatform=x86_64-unknown-linux
352         BuildPlatform=x86_64-unknown-linux
353         HostPlatform_CPP='x86_64_unknown_linux'
354         HostArch_CPP='x86_64'
355         HostVendor_CPP='unknown'
356         HostOS_CPP='linux'
357         ;;
358 x86_64-apple-darwin*)
359         HostPlatform=x86_64-apple-darwin
360         TargetPlatform=x86_64-apple-darwin
361         BuildPlatform=x86_64-apple-darwin
362         HostPlatform_CPP='x86_64_apple_darwin'
363         HostArch_CPP='x86_64'
364         HostVendor_CPP='apple'
365         HostOS_CPP='darwin'
366         soext='.dylib'
367         ;;
368 m68k-*-linux*)
369         HostPlatform=m68k-unknown-linux # hack again
370         TargetPlatform=m68k-unknown-linux
371         BuildPlatform=m68k-unknown-linux
372         HostPlatform_CPP='m68k_unknown_linux'
373         HostArch_CPP='m68k'
374         HostVendor_CPP='unknown'
375         HostOS_CPP='linux'
376         ;;
377 m68k-next-nextstep2)
378         HostPlatform_CPP='m68k_next_nextstep2'
379         HostArch_CPP='m68k'
380         HostVendor_CPP='next'
381         HostOS_CPP='nextstep2'
382         ;;
383 m68k-next-nextstep3)
384         HostPlatform_CPP='m68k_next_nextstep3'
385         HostArch_CPP='m68k'
386         HostVendor_CPP='next'
387         HostOS_CPP='nextstep3'
388         ;;
389 i[[3456]]86-next-nextstep3)
390         HostPlatform=i386-next-nextstep3 # hack again
391         TargetPlatform=i386-next-nextstep3
392         BuildPlatform=i386-next-nextstep3
393         HostPlatform_CPP='i386_next_nextstep3'
394         HostArch_CPP='i386'
395         HostVendor_CPP='next'
396         HostOS_CPP='nextstep3'
397         ;;
398 m68k-*-openbsd*)
399         HostPlatform=m68k-unknown-openbsd
400         TargetPlatform=m68k-unknown-openbsd
401         BuildPlatform=m68k-unknown-openbsd
402         HostPlatform_CPP='m68k_unknown_openbsd'
403         HostArch_CPP='m68k'
404         HostVendor_CPP='unknown'
405         HostOS_CPP='openbsd'
406         ;;
407 m68k-*-netbsd*)
408         HostPlatform=m68k-unknown-netbsd
409         TargetPlatform=m68k-unknown-netbsd
410         BuildPlatform=m68k-unknown-netbsd
411         HostPlatform_CPP='m68k_unknown_netbsd'
412         HostArch_CPP='m68k'
413         HostVendor_CPP='unknown'
414         HostOS_CPP='netbsd'
415         ;;
416 m68k-sun-sunos4*)
417         HostPlatform=m68k-sun-sunos4
418         TargetPlatform=m68k-sun-sunos4 #hack
419         BuildPlatform=m68k-sun-sunos4 #hack
420         HostPlatform_CPP='m68k_sun_sunos4'
421         HostArch_CPP='m68k'
422         HostVendor_CPP='sun'
423         HostOS_CPP='sunos4'
424         ;;
425 m88k-*-openbsd*)
426         HostPlatform=m88k-unknown-openbsd
427         TargetPlatform=m88k-unknown-openbsd
428         BuildPlatform=m88k-unknown-openbsd
429         HostPlatform_CPP='m88k_unknown_openbsd'
430         HostArch_CPP='m88k'
431         HostVendor_CPP='unknown'
432         HostOS_CPP='openbsd'
433         ;;
434 mips-*-linux*)
435         HostPlatform=mips-unknown-linux # hack again
436         TargetPlatform=mips-unknown-linux
437         BuildPlatform=mips-unknown-linux
438         HostPlatform_CPP='mips_unknown_linux'
439         HostArch_CPP='mips'
440         HostVendor_CPP='unknown'
441         HostOS_CPP='linux'
442         ;;
443 mipsel-*-linux*)
444         HostPlatform=mipsel-unknown-linux # hack again
445         TargetPlatform=mipsel-unknown-linux
446         BuildPlatform=mipsel-unknown-linux
447         HostPlatform_CPP='mipsel_unknown_linux'
448         HostArch_CPP='mipsel'
449         HostVendor_CPP='unknown'
450         HostOS_CPP='linux'
451         ;;
452 mips-dec-ultrix*)
453         HostPlatform_CPP='mips_dec_ultrix'
454         HostArch_CPP='mipsel'   # NB a little different
455         HostVendor_CPP='dec'
456         HostOS_CPP='ultrix'
457         ;;
458 mips-sgi-irix*)
459         HostPlatform=mips-sgi-irix
460         TargetPlatform=mips-sgi-irix #hack
461         BuildPlatform=mips-sgi-irix #hack
462         HostPlatform_CPP='mips_sgi_irix'
463         HostArch_CPP='mipseb'   # NB a little different
464         HostVendor_CPP='sgi'
465         HostOS_CPP='irix'
466         ;;
467 rs6000-ibm-aix*)
468         HostPlatform=rs6000-ibm-aix
469         TargetPlatform=rs6000-ibm-aix #hack
470         BuildPlatform=rs6000-ibm-aix #hack
471         HostPlatform_CPP='rs6000_ibm_aix'
472         HostArch_CPP='rs6000'
473         HostVendor_CPP='ibm'
474         HostOS_CPP='aix'
475         ;;
476 powerpc-ibm-aix*)
477         HostPlatform=powerpc-ibm-aix
478         TargetPlatform=powerpc-ibm-aix #hack
479         BuildPlatform=powerpc-ibm-aix #hack
480         HostPlatform_CPP='powerpc_ibm_aix'
481         HostArch_CPP='powerpc'
482         HostVendor_CPP='ibm'
483         HostOS_CPP='aix'
484         ;;
485 powerpc-apple-darwin*)
486         HostPlatform=powerpc-apple-darwin
487         TargetPlatform=powerpc-apple-darwin #hack
488         BuildPlatform=powerpc-apple-darwin #hack
489         HostPlatform_CPP='powerpc_apple_darwin'
490         HostArch_CPP='powerpc'
491         HostVendor_CPP='apple'
492         HostOS_CPP='darwin'
493         soext='.dylib'
494         ;;
495 powerpc-unknown-linux*)
496         HostPlatform=powerpc-unknown-linux
497         TargetPlatform=powerpc-unknown-linux
498         BuildPlatform=powerpc-unknown-linux
499         HostPlatform_CPP='powerpc_unknown_linux'
500         HostArch_CPP='powerpc'
501         HostVendor_CPP='unknown'
502         HostOS_CPP='linux'
503         ;;
504 powerpc-unknown-openbsd*)
505         HostPlatform=powerpc-unknown-openbsd
506         TargetPlatform=powerpc-unknown-openbsd
507         BuildPlatform=powerpc-unknown-openbsd
508         HostPlatform_CPP='powerpc_unknown_openbsd'
509         HostArch_CPP='powerpc'
510         HostVendor_CPP='unknown'
511         HostOS_CPP='openbsd'
512         ;;
513 powerpc64-unknown-linux*)
514         HostPlatform=powerpc64-unknown-linux
515         TargetPlatform=powerpc64-unknown-linux
516         BuildPlatform=powerpc64-unknown-linux
517         HostPlatform_CPP='powerpc64_unknown_linux'
518         HostArch_CPP='powerpc64'
519         HostVendor_CPP='unknown'
520         HostOS_CPP='linux'
521         ;;
522
523 s390-ibm-linux*)
524        HostPlatform=s390-ibm-linux
525        TargetPlatform=s390-ibm-linux #hack
526        BuildPlatform=s390-ibm-linux #hack
527         HostPlatform_CPP='s390_ibm_linux'
528         HostArch_CPP='s390'
529         HostVendor_CPP='ibm'
530         HostOS_CPP='linux'
531         ;;
532 sparc-sun-sunos4*)
533         HostPlatform=sparc-sun-sunos4
534         TargetPlatform=sparc-sun-sunos4 #hack
535         BuildPlatform=sparc-sun-sunos4 #hack
536         HostPlatform_CPP='sparc_sun_sunos4'
537         HostArch_CPP='sparc'
538         HostVendor_CPP='sun'
539         HostOS_CPP='sunos4'
540         ;;
541 sparc-sun-solaris2*)
542         HostPlatform=sparc-sun-solaris2
543         TargetPlatform=sparc-sun-solaris2 #hack
544         BuildPlatform=sparc-sun-solaris2 #hack
545         HostPlatform_CPP='sparc_sun_solaris2'
546         HostArch_CPP='sparc'
547         HostVendor_CPP='sun'
548         HostOS_CPP='solaris2'
549         ;;
550 sparc*-linux*)
551         HostPlatform=sparc-unknown-linux
552         TargetPlatform=sparc-unknown-linux
553         BuildPlatform=sparc-unknown-linux
554         HostPlatform_CPP='sparc_unknown_linux'
555         HostArch_CPP='sparc'
556         HostVendor_CPP='unknown'
557         HostOS_CPP='linux'
558         ;;
559 sparc-*-openbsd*)
560         HostPlatform=sparc-unknown-openbsd
561         TargetPlatform=sparc-unknown-openbsd
562         BuildPlatform=sparc-unknown-openbsd
563         HostPlatform_CPP='sparc_unknown_openbsd'
564         HostArch_CPP='sparc'
565         HostVendor_CPP='unknown'
566         HostOS_CPP='openbsd'
567         ;;
568 sparc64-*-openbsd*)
569         HostPlatform=sparc64-unknown-openbsd
570         TargetPlatform=sparc64-unknown-openbsd
571         BuildPlatform=sparc64-unknown-openbsd
572         HostPlatform_CPP='sparc64_unknown_openbsd'
573         HostArch_CPP='sparc64'
574         HostVendor_CPP='unknown'
575         HostOS_CPP='openbsd'
576         ;;
577 vax-*-openbsd*)
578         HostPlatform=vax-unknown-openbsd
579         TargetPlatform=vax-unknown-openbsd
580         BuildPlatform=vax-unknown-openbsd
581         HostPlatform_CPP='vax_unknown_openbsd'
582         HostArch_CPP='vax'
583         HostVendor_CPP='unknown'
584         HostOS_CPP='openbsd'
585         ;;
586 *)
587         echo "Unrecognised platform: $HostPlatform"
588         exit 1
589         ;;
590 esac
591 echo "Canonicalised to: $HostPlatform"
592 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
593 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
594
595 BuildPlatform_CPP=$HostPlatform_CPP
596 TargetPlatform_CPP=$HostPlatform_CPP
597 BuildArch_CPP=$HostArch_CPP
598 TargetArch_CPP=$HostArch_CPP
599 BuildOS_CPP=$HostOS_CPP
600 HostOS_Full=$host_os
601 TargetOS_CPP=$HostOS_CPP
602 BuildVendor_CPP=$HostVendor_CPP
603 TargetVendor_CPP=$HostVendor_CPP
604
605 AC_SUBST(BuildPlatform)
606 AC_SUBST(HostPlatform)
607 AC_SUBST(TargetPlatform)
608 AC_SUBST(HostPlatform_CPP)
609 AC_SUBST(BuildPlatform_CPP)
610 AC_SUBST(TargetPlatform_CPP)
611
612 AC_SUBST(HostArch_CPP)
613 AC_SUBST(BuildArch_CPP)
614 AC_SUBST(TargetArch_CPP)
615
616 AC_SUBST(HostOS_CPP)
617 AC_SUBST(HostOS_Full)
618 AC_SUBST(BuildOS_CPP)
619 AC_SUBST(TargetOS_CPP)
620
621 AC_SUBST(HostVendor_CPP)
622 AC_SUBST(BuildVendor_CPP)
623 AC_SUBST(TargetVendor_CPP)
624
625 AC_SUBST(exeext)
626 AC_SUBST(soext)
627
628 dnl --------------------------------------------------------------
629 dnl * Project specific configuration options
630 dnl --------------------------------------------------------------
631 dnl What follows is a bunch of options that can either be configured
632 dnl through command line options to the configure script or by
633 dnl supplying defns in the build tree's mk/build.mk. Having the option to
634 dnl use either is considered a Feature.
635
636 dnl ** What command to use to compile compiler sources ?
637 dnl --------------------------------------------------------------
638
639 AC_ARG_WITH([ghc],
640 [AC_HELP_STRING([--with-ghc=ARG],
641   [Use ARG as the path to GHC  [default=autodetect]])],
642   [WithGhc="$withval"],
643   [if test "$GHC" = ""; then
644     AC_PATH_PROG([GHC], [ghc])
645   fi
646   WithGhc="$GHC"])
647 # GHC is passed to Cabal, so we need a native path
648 if test "x$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 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
675   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
676   if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
677   AC_SUBST(ghc_ge_605)dnl
678   AC_SUBST(ghc_ge_607)dnl
679   AC_SUBST(ghc_ge_609)dnl
680 fi
681
682 # Check whether this GHC has editline installed
683 FP_GHC_HAS_EDITLINE
684
685 AC_PATH_PROGS(NHC,nhc nhc98)
686 AC_PATH_PROG(HBC,hbc)
687
688 dnl ** Which gcc to use?
689 dnl --------------------------------------------------------------
690 AC_ARG_WITH(gcc,
691 [AC_HELP_STRING([--with-gcc=ARG],
692         [Use ARG as the path to GCC  [default=autodetect]])],
693 [WhatGccIsCalled="$withval"
694  if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
695     test "${OSTYPE}"      != "msys"                  && \
696     test "${withval}"     != ""
697  then
698      # Canonicalise to <drive>:/path/to/gcc
699      withval=`cygpath -m ${withval}`
700  fi;
701  CC="$withval"
702  export CC
703  ],
704 [WhatGccIsCalled="gcc"]
705 )
706 AC_SUBST(WhatGccIsCalled)
707
708 dnl ** Which ld to use?
709 dnl --------------------------------------------------------------
710 AC_ARG_WITH(ld,
711 [AC_HELP_STRING([--with-ld=ARG],
712         [Use ARG as the path to LD  [default=autodetect]])],
713 [if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
714     test "${OSTYPE}"      != "msys"                  && \
715     test "${withval}"     != ""
716  then
717      # Canonicalise to <drive>:/path/to/ld
718      withval=`cygpath -m ${withval}`
719  fi;
720  LD=$withval
721  FP_PROG_LD([$LD])
722  ],
723  [FP_PROG_LD()]
724 )
725
726 dnl ** Booting from .hc files?
727 dnl --------------------------------------------------------------
728 AC_ARG_ENABLE(hc-boot,
729 [AC_HELP_STRING([--enable-hc-boot],
730 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
731  (This option is mostly of interest to porters.) [default=no]])],
732 [ if test x"$enableval" = x"yes"; then
733         BootingFromHc=YES
734   else
735         BootingFromHc=NO
736   fi
737 ],
738 [BootingFromHc=NO]
739 )
740 AC_SUBST(BootingFromHc)
741
742 dnl ** Booting from unregisterised .hc files?
743 dnl --------------------------------------------------------------
744 AC_ARG_ENABLE(hc-boot-unregisterised,
745 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
746 [ With --enable-hc-boot, treat the intermediate .hc files as
747  unregisterised rather than registerised code.
748  (This option is mostly of interest to porters.) [default=no]])],
749 [ if test x"$enableval" = x"yes"; then
750         BootingFromUnregisterisedHc=YES
751   else
752         BootingFromUnregisterisedHc=NO
753   fi
754 ],
755 [BootingFromUnregisterisedHc=NO]
756 )
757 AC_SUBST(BootingFromUnregisterisedHc)
758
759 if test "$BootingFromHc" = "NO"; then
760 if test "$BootingFromUnregisterisedHc" = "YES"; then
761 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
762 fi;
763 fi;
764
765 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
766 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
767   if test "$WithGhc" = ""; then
768      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
769   fi
770   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.4],
771     [AC_MSG_ERROR([GHC version 6.4 or later is required to compile GHC.])])dnl
772 fi;
773
774 # This uses GHC, so put it after the "GHC is required" check above:
775 FP_FIND_ROOT
776
777 dnl ** Enable the construction of Win32 DLLs?
778 dnl --------------------------------------------------------------
779 dnl
780 dnl [ The ability to build the RTS and libraries as separate DLLs used
781 dnl   to be supported, but isn't currently (updates to the RTS, compiler
782 dnl   and build system would be required to bring it back again.)
783 dnl   Hence, exposing it as an option is false advertisement, so better
784 dnl   disable it to avoid confusion (but leave it commented-out rather
785 dnl   than removed in order to remind ourselves to bring back the
786 dnl   feature at some stage.) ]
787 dnl
788 dnl AC_ARG_ENABLE(win32-dlls,
789 dnl [  --enable-win32-dlls
790 dnl         If on a Win32 platform running mingw32/cygwin, enable the
791 dnl         construction of DLLs containing ghc-compiled code.
792 dnl ],
793 dnl [
794 dnl case $HostOS_CPP in
795 dnl cygwin32) ;;
796 dnl mingw32)  ;;
797 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
798 dnl       exit 1
799 dnl       ;;
800 dnl esac
801 dnl EnableWin32DLLs=YES
802 dnl ],
803 dnl [EnableWin32DLLs=NO]
804 dnl )
805 dnl AC_SUBST(EnableWin32DLLs)
806 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
807 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
808 dnl fi
809
810 dnl ** Enable the building of the ObjectIO?
811 dnl --------------------------------------------------------------
812 AC_ARG_ENABLE(objectio,
813 [AC_HELP_STRING([--enable-objectio],
814 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
815 [ if test x"$enableval" = x"yes"; then
816         GhcLibsWithObjectIO=YES
817   else
818         GhcLibsWithObjectIO=NO
819   fi
820 ],
821 [GhcLibsWithObjectIO=NO]
822 )
823 AC_SUBST(GhcLibsWithObjectIO)
824
825 dnl ** .NET interop support?
826 dnl --------------------------------------------------------------
827 AC_ARG_ENABLE(dotnet,
828 [AC_HELP_STRING([--enable-dotnet],
829 [Build .NET interop layer. [default=no]])],
830 [ if test x"$enableval" = x"yes"; then
831         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
832   else
833         DotnetSupport=NO
834   fi],
835 [DotnetSupport=NO]
836 )
837 AC_SUBST(DotnetSupport)
838
839 dnl ** Mac OS X: explicit deployment target
840 dnl --------------------------------------------------------------
841 AC_ARG_WITH([macosx-deployment-target],
842 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
843         [Build for Mac OS VERSION and higher  (default= version of build host)])],
844 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
845  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
846    # ignore everywhere, but on Mac OS
847    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
848    FP_MACOSX_DEPLOYMENT_TARGET=none
849  fi],
850 [FP_MACOSX_DEPLOYMENT_TARGET=none]
851 )
852 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
853 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
854 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
855
856 dnl --------------------------------------------------------------
857 dnl End of configure script option section
858 dnl --------------------------------------------------------------
859
860
861 dnl --------------------------------------------------------------
862 dnl * General configuration checks
863 dnl --------------------------------------------------------------
864
865 dnl ** Can the unix package be built?
866 dnl --------------------------------------------------------------
867
868 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
869    GhcLibsWithUnix=NO
870 else
871    GhcLibsWithUnix=YES
872 fi
873 AC_SUBST([GhcLibsWithUnix])
874
875 dnl ** does #! work?
876 AC_SYS_INTERPRETER()
877
878 dnl ** look for `perl', but only in /bin on Windows
879 case $HostOS_CPP in
880 cygwin32|mingw32)
881       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
882       if test -z "$PerlCmd"; then
883          echo "You must install the version of Perl shipped with GHC"
884          echo "(or a compatible one) in /bin."
885          exit 1
886       fi
887    ;;
888 *)
889    AC_PATH_PROG(PerlCmd,perl)
890    if test -z "$PerlCmd"; then
891       echo "You must install perl before you can continue"
892       echo "Perhaps it is already installed, but not in your PATH?"
893       exit 1
894    else
895    FPTOOLS_CHECK_PERL_VERSION
896    fi
897    ;;
898 esac
899
900 dnl ** does #! path/to/perl work? (sometimes it's too long...)
901 FPTOOLS_SHEBANG_PERL
902
903 dnl ** check for Python
904 AC_PATH_PROG(PythonCmd,python)
905
906 dnl ** look for GCC and find out which version
907 dnl     Figure out which C compiler to use.  Gcc is preferred.
908 dnl     If gcc, make sure it's at least 2.1
909 dnl
910 FP_HAVE_GCC
911 FP_MINGW_GCC
912 FP_GCC_EXTRA_FLAGS
913
914 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
915 AC_PROG_CPP
916
917 dnl ** Without optimization some INLINE trickery fails for GHCi
918 SRC_CC_OPTS="-O"
919
920 AC_SUBST(SRC_CC_OPTS)
921
922 dnl ** figure out how to do context diffs
923 FP_PROG_CONTEXT_DIFF
924
925 dnl ** Find find command (for Win32's benefit)
926 FP_PROG_FIND
927
928 dnl ** Find sort command (for the benefit of Win32 environs)
929 FP_PROG_SORT
930
931 dnl Let's make sure install-sh is executable here.  If we got it from
932 dnl a darcs repo, it might not be (see bug #978).
933 chmod +x install-sh
934 dnl ** figure out how to do a BSD-ish install
935 AC_PROG_INSTALL
936
937 dnl If you can run configure, you certainly have /bin/sh
938 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
939
940 dnl ** how to invoke `ar' and `ranlib'
941 FP_PROG_AR_NEEDS_RANLIB
942 FP_PROG_AR_SUPPORTS_INPUT
943
944 dnl ** Check to see whether ln -s works
945 AC_PROG_LN_S
946
947
948 dnl ** Find the path to sed
949 AC_PATH_PROG(SedCmd,sed)
950
951
952 dnl ** check for time command
953 AC_PATH_PROG(TimeCmd,time)
954
955 dnl ** check for tar
956 dnl   if GNU tar is named gtar, look for it first.
957 AC_PATH_PROGS(TarCmd,gtar tar,tar)
958
959 AC_PATH_PROG(HSCOLOUR,HsColour)
960 # HsColour is passed to Cabal, so we need a native path
961 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
962    test "${OSTYPE}"      != "msys"                  && \
963    test "${HSCOLOUR}"    != ""
964 then
965     # Canonicalise to <drive>:/path/to/gcc
966     HSCOLOUR=`cygpath -m ${HSCOLOUR}`
967 fi
968
969 dnl ** check for DocBook toolchain
970 FP_CHECK_DOCBOOK_DTD
971 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
972 FP_PROG_FO_PROCESSOR
973
974 dnl ** check for ghc-pkg command
975 FP_PROG_GHC_PKG
976
977 AC_ARG_WITH(greencard,
978 [AC_HELP_STRING([--with-greencard=ARG],
979         [Use ARG as the path to greencard  [default=autodetct]])],
980 [
981 GreenCardCmd=$withval;
982 FPTOOLS_GREENCARD(3.00)
983 ]
984 )
985
986 dnl ** check for installed happy binary + version
987 dnl    (don't do it if we're booting from .hc files though.)
988 if test "$BootingFromHc" = "NO"; then
989 FPTOOLS_HAPPY
990 fi;
991
992 dnl ** check for installed haddock
993 FPTOOLS_HADDOCK
994
995 dnl ** check for installed alex binary + version
996 dnl    (don't do it if we're booting from .hc files though.)
997 if test "$BootingFromHc" = "NO"; then
998 FPTOOLS_ALEX
999 fi;
1000
1001 dnl --------------------------------------------------
1002 dnl ### program checking section ends here ###
1003 dnl --------------------------------------------------
1004
1005 dnl --------------------------------------------------
1006 dnl * Platform header file and syscall feature tests
1007 dnl ### checking the state of the local header files and syscalls ###
1008
1009 dnl ** check for full ANSI header (.h) files
1010 AC_HEADER_STDC
1011
1012 dnl ** Enable large file support.  NB. do this before testing the type of
1013 dnl    off_t, because it will affect the result of that test.
1014 AC_SYS_LARGEFILE
1015
1016 dnl ** check for specific header (.h) files that we are interested in
1017 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])
1018
1019 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1020 AC_HEADER_TIME
1021
1022 dnl ** do we have long longs?
1023 AC_CHECK_TYPES([long long])
1024
1025 dnl ** what are the sizes of various types
1026 AC_CHECK_SIZEOF(char,               1)
1027 AC_CHECK_SIZEOF(double,             8)
1028 AC_CHECK_SIZEOF(float,              4)
1029 AC_CHECK_SIZEOF(int,                4)
1030 AC_CHECK_SIZEOF(long,               4)
1031 if test "$ac_cv_type_long_long" = yes; then
1032 AC_CHECK_SIZEOF(long long,          8)
1033 fi
1034 AC_CHECK_SIZEOF(short,              2)
1035 AC_CHECK_SIZEOF(unsigned char,      1)
1036 AC_CHECK_SIZEOF(unsigned int,       4)
1037 AC_CHECK_SIZEOF(unsigned long,      4)
1038 if test "$ac_cv_type_long_long" = yes; then
1039 AC_CHECK_SIZEOF(unsigned long long, 8)
1040 fi
1041 AC_CHECK_SIZEOF(unsigned short,     2)
1042 AC_CHECK_SIZEOF(void *,             4)
1043
1044 dnl ** what are alignment constraints on various types
1045 FP_CHECK_ALIGNMENT(char)
1046 FP_CHECK_ALIGNMENT(double)
1047 FP_CHECK_ALIGNMENT(float)
1048 FP_CHECK_ALIGNMENT(int)
1049 FP_CHECK_ALIGNMENT(long)
1050 if test "$ac_cv_type_long_long" = yes; then
1051 FP_CHECK_ALIGNMENT(long long)
1052 fi
1053 FP_CHECK_ALIGNMENT(short)
1054 FP_CHECK_ALIGNMENT(unsigned char)
1055 FP_CHECK_ALIGNMENT(unsigned int)
1056 FP_CHECK_ALIGNMENT(unsigned long)
1057 if test "$ac_cv_type_long_long" = yes; then
1058 FP_CHECK_ALIGNMENT(unsigned long long)
1059 fi
1060 FP_CHECK_ALIGNMENT(unsigned short)
1061 FP_CHECK_ALIGNMENT(void *)
1062
1063 FP_CHECK_FUNC([WinExec],
1064   [@%:@include <windows.h>], [WinExec("",0)])
1065
1066 FP_CHECK_FUNC([GetModuleFileName],
1067   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1068
1069 dnl ** check return type of signal handlers
1070 dnl Foo: assumes we can use prototypes.
1071 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1072 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1073 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1074 dnl #include <signal.h>
1075 dnl #ifdef signal
1076 dnl #undef signal
1077 dnl #endif
1078 dnl void (*signal (int, void (*)(int)))(int);
1079 dnl ]],
1080 dnl [[int i;]])],
1081 dnl [ac_cv_type_signal_handler=void_int],
1082 dnl [ac_cv_type_signal_handler=int_void])])
1083 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1084 dnl AC_DEFINE(VOID_INT_SIGNALS)
1085 dnl fi
1086
1087 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1088 AC_TYPE_SIGNAL
1089 if test "$ac_cv_type_signal" = void; then
1090   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).])
1091 fi
1092
1093 dnl ** check for more functions
1094 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1095 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1096 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1097 dnl ** _POSIX_C_SOURCE is defined
1098 AC_CHECK_DECLS([ctime_r], , ,
1099 [#define _POSIX_SOURCE 1
1100 #define _POSIX_C_SOURCE 199506L
1101 #include <time.h>])
1102
1103 dnl ** For ghc/rts/gmp:
1104 AC_CHECK_FUNCS([getpagesize])
1105
1106 dnl ** check whether this machine has gmp3 installed
1107 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1108   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1109     HaveLibGmp=NO; LibGmp=not-installed))
1110   if test $HaveLibGmp = YES; then
1111     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1112   fi;
1113 AC_SUBST(HaveLibGmp)
1114 AC_SUBST(LibGmp)
1115
1116 dnl ** (Mac OS X only: check for GMP.framework)
1117 HaveFrameworkGMP=NO
1118 case $HostPlatform in
1119 *-apple-darwin)
1120     AC_MSG_CHECKING([for GMP.framework])
1121     save_libs="$LIBS"
1122     LIBS="-framework GMP"
1123     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1124     if test $HaveFrameworkGMP = YES; then
1125       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1126     fi;
1127     LIBS="$save_libs"
1128     AC_MSG_RESULT([$HaveFrameworkGMP])
1129     ;;
1130 esac
1131 AC_SUBST(HaveFrameworkGMP)
1132
1133 dnl ** check for mingwex library
1134 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1135 AC_SUBST(HaveLibMingwEx)
1136
1137 if test $HaveLibMingwEx = YES ; then
1138   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1139 fi
1140
1141 if test "$HaveLibGmp" = "NO"; then
1142 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1143 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1144 fi;
1145 fi;
1146
1147 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1148 dnl    the order of these tests matters: bfd needs liberty
1149 AC_CHECK_LIB(iberty, xmalloc)
1150 AC_CHECK_LIB(bfd,    bfd_init)
1151
1152 dnl ** check for math library
1153 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1154 if test x"$fp_libm_not_needed" = xdunno; then
1155    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1156 fi
1157 AC_SUBST([LIBM])
1158
1159 dnl ################################################################
1160 dnl Check for libraries
1161 dnl ################################################################
1162
1163 dnl ** check whether we need -ldl to get dlopen()
1164
1165 AC_CHECK_LIB(dl, dlopen,
1166     [HaveLibDL=YES
1167      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1168      LIBS="$LIBS -ldl"],
1169     [HaveLibDL=NO])
1170 AC_SUBST(HaveLibDL)
1171
1172 dnl --------------------------------------------------
1173 dnl * Miscellaneous feature tests
1174 dnl --------------------------------------------------
1175
1176 dnl ** can we get alloca?
1177 AC_FUNC_ALLOCA
1178
1179 dnl ** Working vfork?
1180 AC_FUNC_FORK
1181
1182 dnl ** determine whether or not const works
1183 AC_C_CONST
1184
1185 dnl ** are we big endian?
1186 AC_C_BIGENDIAN
1187 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1188
1189 dnl ** check for leading underscores in symbol names
1190 FP_LEADING_UNDERSCORE
1191
1192 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1193 FP_PROG_LD_X
1194 FP_PROG_LD_IS_GNU
1195
1196 dnl ** check for Apple-style dead-stripping support
1197 dnl    (.subsections-via-symbols assembler directive)
1198
1199
1200 AC_MSG_CHECKING(for .subsections_via_symbols)
1201 AC_COMPILE_IFELSE(
1202     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1203     [AC_MSG_RESULT(yes)
1204      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1205                [Define to 1 if Apple-style dead-stripping is supported.])
1206     ],
1207     [AC_MSG_RESULT(no)])
1208
1209 dnl *** check for GNU non-executable stack note support (ELF only)
1210 dnl     (.section .note.GNU-stack,"",@progbits)
1211
1212 AC_MSG_CHECKING(for GNU non-executable stack support)
1213 AC_COMPILE_IFELSE(
1214     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1215     [AC_MSG_RESULT(yes)
1216      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1217                [Define to 1 if GNU non-executable stack notes are supported.])
1218     ],
1219     [AC_MSG_RESULT(no)])
1220
1221 dnl ** check for librt
1222 AC_CHECK_LIB(rt, clock_gettime)
1223 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1224 FP_CHECK_TIMER_CREATE
1225
1226 dnl ** check for Apple's "interesting" long double compatibility scheme
1227 AC_MSG_CHECKING(for printf\$LDBLStub)
1228 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1229     [
1230         AC_MSG_RESULT(yes)
1231         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1232             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1233     ],
1234     [
1235         AC_MSG_RESULT(no)
1236         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1237             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1238     ])
1239
1240 # test for GTK+
1241 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1242 if test -n "$GTK_CONFIG"; then
1243   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1244     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1245   else
1246     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1247     GTK_CONFIG=
1248   fi
1249 fi
1250 AC_SUBST([GTK_CONFIG])
1251
1252 #Checking for PAPI
1253 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1254 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1255 AC_SUBST(HavePapiLib)
1256 AC_SUBST(HavePapiHeader)
1257
1258 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1259    HavePapi=YES
1260 else
1261    HavePapi=NO
1262 fi
1263 AC_SUBST(HavePapi)
1264
1265 AC_CONFIG_FILES([mk/config.mk ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1266 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1267 AC_OUTPUT