Move hasktags out of the GHC repo
[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     AC_MSG_ERROR([
99       GHC configuration does not support differing host/target (i.e., cross-compiling)])
100 fi
101
102 case $HostPlatform in
103 *-cygwin*)
104     AC_MSG_WARN([GHC does not support the Cygwin target at the moment])
105     AC_MSG_WARN([I'm assuming you wanted to build for i386-unknown-mingw32])
106     HostPlatform=i386-unknown-mingw32  
107     ;;
108 esac
109
110 exeext=''
111 soext='.so'
112 #
113 # The following will be more difficult when we *are* cross-compiling.
114 # Suitable names to slam in *_CPP are in platform.h.in.
115 # We also record the architecture, vendor, and operating system (OS)
116 # separately.
117 case $HostPlatform in
118 alpha*-dec-osf[[12]]*)
119         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
120         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
121         BuildPlatform=alpha-dec-osf1  # hack
122         HostPlatform_CPP='alpha_dec_osf1'
123         HostArch_CPP='alpha'
124         HostVendor_CPP='dec'
125         HostOS_CPP='osf1'
126         ;;
127 alpha*-dec-osf[[345]]*)
128         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
129         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
130         BuildPlatform=alpha-dec-osf3  # hack
131         HostPlatform_CPP='alpha_dec_osf3'
132         HostArch_CPP='alpha'
133         HostVendor_CPP='dec'
134         HostOS_CPP='osf3'
135         ;;
136 alpha*-unknown-linux*)
137         HostPlatform=alpha-unknown-linux
138         TargetPlatform=alpha-unknown-linux
139         BuildPlatform=alpha-unknown-linux
140         HostPlatform_CPP='alpha_unknown_linux'
141         HostArch_CPP='alpha'
142         HostVendor_CPP='unknown'
143         HostOS_CPP='linux'
144         ;;
145 alpha*-unknown-freebsd*)
146         HostPlatform=alpha-unknown-freebsd
147         TargetPlatform=alpha-unknown-freebsd
148         BuildPlatform=alpha-unknown-freebsd
149         HostPlatform_CPP='alpha_unknown_freebsd'
150         HostArch_CPP='alpha'
151         HostVendor_CPP='unknown'
152         HostOS_CPP='freebsd'
153         ;;
154 alpha*-unknown-openbsd*)
155         HostPlatform=alpha-unknown-openbsd
156         TargetPlatform=alpha-unknown-openbsd
157         BuildPlatform=alpha-unknown-openbsd
158         HostPlatform_CPP='alpha_unknown_openbsd'
159         HostArch_CPP='alpha'
160         HostVendor_CPP='unknown'
161         HostOS_CPP='openbsd'
162         ;;
163 amd64-*-openbsd*|x86_64-*-openbsd*)
164         HostPlatform=x86_64-unknown-openbsd
165         TargetPlatform=x86_64-unknown-openbsd
166         BuildPlatform=x86_64-unknown-openbsd
167         HostPlatform_CPP='x86_64_unknown_openbsd'
168         HostArch_CPP='x86_64'
169         HostVendor_CPP='unknown'
170         HostOS_CPP='openbsd'
171         ;;
172 amd64-*-freebsd*|x86_64-*-freebsd*)
173         HostPlatform=x86_64-unknown-freebsd
174         TargetPlatform=x86_64-unknown-freebsd
175         BuildPlatform=x86_64-unknown-freebsd
176         HostPlatform_CPP='x86_64_unknown_freebsd'
177         HostArch_CPP='x86_64'
178         HostVendor_CPP='unknown'
179         HostOS_CPP='freebsd'
180         ;;
181 amd64-*-netbsd*|x86_64-*-netbsd*)
182         HostPlatform=x86_64-unknown-netbsd
183         TargetPlatform=x86_64-unknown-netbsd
184         BuildPlatform=x86_64-unknown-netbsd
185         HostPlatform_CPP='x86_64_unknown_netbsd'
186         HostArch_CPP='x86_64'
187         HostVendor_CPP='unknown'
188         HostOS_CPP='netbsd'
189         ;;
190 arm*-linux*)
191         HostPlatform=arm-unknown-linux # hack again
192         TargetPlatform=arm-unknown-linux
193         BuildPlatform=arm-unknown-linux
194         HostPlatform_CPP='arm_unknown_linux'
195         HostArch_CPP='arm'
196         HostVendor_CPP='unknown'
197         HostOS_CPP='linux'
198         ;;
199 arm*-openbsd*)
200         HostPlatform=arm-unknown-openbsd
201         TargetPlatform=arm-unknown-openbsd
202         BuildPlatform=arm-unknown-openbsd
203         HostPlatform_CPP='arm_unknown_openbsd'
204         HostArch_CPP='arm'
205         HostVendor_CPP='unknown'
206         HostOS_CPP='openbsd'
207         ;;
208 hppa*-*-linux*)
209         HostPlatform=hppa-unknown-linux # hack again
210         TargetPlatform=hppa-unknown-linux
211         BuildPlatform=hppa-unknown-linux
212         HostPlatform_CPP='hppa_unknown_linux'
213         HostArch_CPP='hppa'
214         HostVendor_CPP='unknown'
215         HostOS_CPP='linux'
216         ;;
217 hppa*-*-openbsd*)
218         HostPlatform=hppa-unknown-openbsd # hack again
219         TargetPlatform=hppa-unknown-openbsd
220         BuildPlatform=hppa-unknown-openbsd
221         HostPlatform_CPP='hppa_unknown_openbsd'
222         HostArch_CPP='hppa'
223         HostVendor_CPP='unknown'
224         HostOS_CPP='openbsd'
225         ;;
226 hppa1.1-hp-hpux*)
227         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
228         TargetPlatform=hppa1.1-hp-hpux
229         BuildPlatform=hppa1.1-hp-hpux
230         HostPlatform_CPP='hppa1_1_hp_hpux'
231         HostArch_CPP='hppa1_1'
232         HostVendor_CPP='hp'
233         HostOS_CPP='hpux'
234         ;;
235 i[[3456]]86-*-linuxaout*)
236         HostPlatform=i386-unknown-linuxaout   # hack again
237         TargetPlatform=i386-unknown-linuxaout
238         BuildPlatform=i386-unknown-linuxaout
239         HostPlatform_CPP='i386_unknown_linuxaout'
240         HostArch_CPP='i386'
241         HostVendor_CPP='unknown'
242         HostOS_CPP='linuxaout'
243         ;;
244 i[[3456]]86-*-linux*)
245         HostPlatform=i386-unknown-linux # hack again
246         TargetPlatform=i386-unknown-linux
247         BuildPlatform=i386-unknown-linux
248         HostPlatform_CPP='i386_unknown_linux'
249         HostArch_CPP='i386'
250         HostVendor_CPP='unknown'
251         HostOS_CPP='linux'
252         ;;
253 i[[3456]]86-*-kfreebsd*-gnu)
254         HostPlatform=i386-unknown-kfreebsdgnu # hack again
255         TargetPlatform=i386-unknown-kfreebsdgnu
256         BuildPlatform=i386-unknown-kfreebsdgnu
257         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
258         HostArch_CPP='i386'
259         HostVendor_CPP='unknown'
260         HostOS_CPP='kfreebsdgnu'
261         ;;
262 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
263         HostPlatform=i386-unknown-freebsd # hack again
264         TargetPlatform=i386-unknown-freebsd
265         BuildPlatform=i386-unknown-freebsd
266         HostPlatform_CPP='i386_unknown_freebsd'
267         HostArch_CPP='i386'
268         HostVendor_CPP='unknown'
269         HostOS_CPP='freebsd'
270         ;;
271 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
272         HostPlatform=i386-unknown-freebsd2 # hack again
273         TargetPlatform=i386-unknown-freebsd2
274         BuildPlatform=i386-unknown-freebsd2
275         HostPlatform_CPP='i386_unknown_freebsd2'
276         HostArch_CPP='i386'
277         HostVendor_CPP='unknown'
278         HostOS_CPP='freebsd2'
279         ;;
280 i[[3456]]86-*-netbsd*)
281         HostPlatform=i386-unknown-netbsd # hack again
282         TargetPlatform=i386-unknown-netbsd
283         BuildPlatform=i386-unknown-netbsd
284         HostPlatform_CPP='i386_unknown_netbsd'
285         HostArch_CPP='i386'
286         HostVendor_CPP='unknown'
287         HostOS_CPP='netbsd'
288         ;;
289 i[[3456]]86-*-openbsd*)
290         HostPlatform=i386-unknown-openbsd # hack again
291         TargetPlatform=i386-unknown-openbsd
292         BuildPlatform=i386-unknown-openbsd
293         HostPlatform_CPP='i386_unknown_openbsd'
294         HostArch_CPP='i386'
295         HostVendor_CPP='unknown'
296         HostOS_CPP='openbsd'
297         ;;
298 i[[3456]]86-*-solaris2*)
299         HostPlatform=i386-unknown-solaris2 # hack again
300         TargetPlatform=i386-unknown-solaris2
301         BuildPlatform=i386-unknown-solaris2
302         HostPlatform_CPP='i386_unknown_solaris2'
303         HostArch_CPP='i386'
304         HostVendor_CPP='unknown'
305         HostOS_CPP='solaris2'
306         ;;
307 i[[3456]]86-*-cygwin*)
308         HostPlatform=i386-unknown-cygwin32 # hack again
309         TargetPlatform=i386-unknown-cygwin32
310         BuildPlatform=i386-unknown-cygwin32
311         HostPlatform_CPP='i386_unknown_cygwin32'
312         HostArch_CPP='i386'
313         HostVendor_CPP='unknown'
314         HostOS_CPP='cygwin32'
315         exeext='.exe'
316         soext='.dll'
317         ;;
318 i[[3456]]86-*-mingw32*)
319         HostPlatform=i386-unknown-mingw32 # hack again
320         TargetPlatform=i386-unknown-mingw32
321         BuildPlatform=i386-unknown-mingw32
322         HostPlatform_CPP='i386_unknown_mingw32'
323         HostArch_CPP='i386'
324         HostVendor_CPP='unknown'
325         HostOS_CPP='mingw32'
326         exeext='.exe'
327         soext='.dll'
328         ;;
329 i[[3456]]86-apple-darwin*)
330         HostPlatform=i386-apple-darwin
331         TargetPlatform=i386-apple-darwin #hack
332         BuildPlatform=i386-apple-darwin #hack
333         HostPlatform_CPP='i386_apple_darwin'
334         HostArch_CPP='i386'
335         HostVendor_CPP='apple'
336         HostOS_CPP='darwin'
337         soext='.dylib'
338         ;;
339 i[[3456]]86-*-gnu*)
340         HostPlatform=i386-unknown-gnu
341         TargetPlatform=i386-unknown-gnu
342         BuildPlatform=i386-unknown-gnu
343         HostPlatform_CPP=i386_unknown_gnu
344         HostArch_CPP=i386
345         HostVendor_CPP=unknown
346         HostOS_CPP=gnu
347         ;;
348 ia64-*-linux*)
349         HostPlatform=ia64-unknown-linux # hack again
350         TargetPlatform=ia64-unknown-linux
351         BuildPlatform=ia64-unknown-linux
352         HostPlatform_CPP='ia64_unknown_linux'
353         HostArch_CPP='ia64'
354         HostVendor_CPP='unknown'
355         HostOS_CPP='linux'
356         ;;
357 x86_64-*-linux*)
358         HostPlatform=x86_64-unknown-linux
359         TargetPlatform=x86_64-unknown-linux
360         BuildPlatform=x86_64-unknown-linux
361         HostPlatform_CPP='x86_64_unknown_linux'
362         HostArch_CPP='x86_64'
363         HostVendor_CPP='unknown'
364         HostOS_CPP='linux'
365         ;;
366 x86_64-apple-darwin*)
367         HostPlatform=x86_64-apple-darwin
368         TargetPlatform=x86_64-apple-darwin
369         BuildPlatform=x86_64-apple-darwin
370         HostPlatform_CPP='x86_64_apple_darwin'
371         HostArch_CPP='x86_64'
372         HostVendor_CPP='apple'
373         HostOS_CPP='darwin'
374         soext='.dylib'
375         ;;
376 m68k-*-linux*)
377         HostPlatform=m68k-unknown-linux # hack again
378         TargetPlatform=m68k-unknown-linux
379         BuildPlatform=m68k-unknown-linux
380         HostPlatform_CPP='m68k_unknown_linux'
381         HostArch_CPP='m68k'
382         HostVendor_CPP='unknown'
383         HostOS_CPP='linux'
384         ;;
385 m68k-next-nextstep2)
386         HostPlatform_CPP='m68k_next_nextstep2'
387         HostArch_CPP='m68k'
388         HostVendor_CPP='next'
389         HostOS_CPP='nextstep2'
390         ;;
391 m68k-next-nextstep3)
392         HostPlatform_CPP='m68k_next_nextstep3'
393         HostArch_CPP='m68k'
394         HostVendor_CPP='next'
395         HostOS_CPP='nextstep3'
396         ;;
397 i[[3456]]86-next-nextstep3)
398         HostPlatform=i386-next-nextstep3 # hack again
399         TargetPlatform=i386-next-nextstep3
400         BuildPlatform=i386-next-nextstep3
401         HostPlatform_CPP='i386_next_nextstep3'
402         HostArch_CPP='i386'
403         HostVendor_CPP='next'
404         HostOS_CPP='nextstep3'
405         ;;
406 m68k-*-openbsd*)
407         HostPlatform=m68k-unknown-openbsd
408         TargetPlatform=m68k-unknown-openbsd
409         BuildPlatform=m68k-unknown-openbsd
410         HostPlatform_CPP='m68k_unknown_openbsd'
411         HostArch_CPP='m68k'
412         HostVendor_CPP='unknown'
413         HostOS_CPP='openbsd'
414         ;;
415 m68k-*-netbsd*)
416         HostPlatform=m68k-unknown-netbsd
417         TargetPlatform=m68k-unknown-netbsd
418         BuildPlatform=m68k-unknown-netbsd
419         HostPlatform_CPP='m68k_unknown_netbsd'
420         HostArch_CPP='m68k'
421         HostVendor_CPP='unknown'
422         HostOS_CPP='netbsd'
423         ;;
424 m68k-sun-sunos4*)
425         HostPlatform=m68k-sun-sunos4
426         TargetPlatform=m68k-sun-sunos4 #hack
427         BuildPlatform=m68k-sun-sunos4 #hack
428         HostPlatform_CPP='m68k_sun_sunos4'
429         HostArch_CPP='m68k'
430         HostVendor_CPP='sun'
431         HostOS_CPP='sunos4'
432         ;;
433 m88k-*-openbsd*)
434         HostPlatform=m88k-unknown-openbsd
435         TargetPlatform=m88k-unknown-openbsd
436         BuildPlatform=m88k-unknown-openbsd
437         HostPlatform_CPP='m88k_unknown_openbsd'
438         HostArch_CPP='m88k'
439         HostVendor_CPP='unknown'
440         HostOS_CPP='openbsd'
441         ;;
442 mips-*-linux*)
443         HostPlatform=mips-unknown-linux # hack again
444         TargetPlatform=mips-unknown-linux
445         BuildPlatform=mips-unknown-linux
446         HostPlatform_CPP='mips_unknown_linux'
447         HostArch_CPP='mips'
448         HostVendor_CPP='unknown'
449         HostOS_CPP='linux'
450         ;;
451 mipsel-*-linux*)
452         HostPlatform=mipsel-unknown-linux # hack again
453         TargetPlatform=mipsel-unknown-linux
454         BuildPlatform=mipsel-unknown-linux
455         HostPlatform_CPP='mipsel_unknown_linux'
456         HostArch_CPP='mipsel'
457         HostVendor_CPP='unknown'
458         HostOS_CPP='linux'
459         ;;
460 mips-dec-ultrix*)
461         HostPlatform_CPP='mips_dec_ultrix'
462         HostArch_CPP='mipsel'   # NB a little different
463         HostVendor_CPP='dec'
464         HostOS_CPP='ultrix'
465         ;;
466 mips-sgi-irix*)
467         HostPlatform=mips-sgi-irix
468         TargetPlatform=mips-sgi-irix #hack
469         BuildPlatform=mips-sgi-irix #hack
470         HostPlatform_CPP='mips_sgi_irix'
471         HostArch_CPP='mipseb'   # NB a little different
472         HostVendor_CPP='sgi'
473         HostOS_CPP='irix'
474         ;;
475 rs6000-ibm-aix*)
476         HostPlatform=rs6000-ibm-aix
477         TargetPlatform=rs6000-ibm-aix #hack
478         BuildPlatform=rs6000-ibm-aix #hack
479         HostPlatform_CPP='rs6000_ibm_aix'
480         HostArch_CPP='rs6000'
481         HostVendor_CPP='ibm'
482         HostOS_CPP='aix'
483         ;;
484 powerpc-ibm-aix*)
485         HostPlatform=powerpc-ibm-aix
486         TargetPlatform=powerpc-ibm-aix #hack
487         BuildPlatform=powerpc-ibm-aix #hack
488         HostPlatform_CPP='powerpc_ibm_aix'
489         HostArch_CPP='powerpc'
490         HostVendor_CPP='ibm'
491         HostOS_CPP='aix'
492         ;;
493 powerpc-apple-darwin*)
494         HostPlatform=powerpc-apple-darwin
495         TargetPlatform=powerpc-apple-darwin #hack
496         BuildPlatform=powerpc-apple-darwin #hack
497         HostPlatform_CPP='powerpc_apple_darwin'
498         HostArch_CPP='powerpc'
499         HostVendor_CPP='apple'
500         HostOS_CPP='darwin'
501         soext='.dylib'
502         ;;
503 powerpc-unknown-linux*)
504         HostPlatform=powerpc-unknown-linux
505         TargetPlatform=powerpc-unknown-linux
506         BuildPlatform=powerpc-unknown-linux
507         HostPlatform_CPP='powerpc_unknown_linux'
508         HostArch_CPP='powerpc'
509         HostVendor_CPP='unknown'
510         HostOS_CPP='linux'
511         ;;
512 powerpc-unknown-openbsd*)
513         HostPlatform=powerpc-unknown-openbsd
514         TargetPlatform=powerpc-unknown-openbsd
515         BuildPlatform=powerpc-unknown-openbsd
516         HostPlatform_CPP='powerpc_unknown_openbsd'
517         HostArch_CPP='powerpc'
518         HostVendor_CPP='unknown'
519         HostOS_CPP='openbsd'
520         ;;
521 powerpc64-unknown-linux*)
522         HostPlatform=powerpc64-unknown-linux
523         TargetPlatform=powerpc64-unknown-linux
524         BuildPlatform=powerpc64-unknown-linux
525         HostPlatform_CPP='powerpc64_unknown_linux'
526         HostArch_CPP='powerpc64'
527         HostVendor_CPP='unknown'
528         HostOS_CPP='linux'
529         ;;
530
531 s390-ibm-linux*)
532        HostPlatform=s390-ibm-linux
533        TargetPlatform=s390-ibm-linux #hack
534        BuildPlatform=s390-ibm-linux #hack
535         HostPlatform_CPP='s390_ibm_linux'
536         HostArch_CPP='s390'
537         HostVendor_CPP='ibm'
538         HostOS_CPP='linux'
539         ;;
540 sparc-sun-sunos4*)
541         HostPlatform=sparc-sun-sunos4
542         TargetPlatform=sparc-sun-sunos4 #hack
543         BuildPlatform=sparc-sun-sunos4 #hack
544         HostPlatform_CPP='sparc_sun_sunos4'
545         HostArch_CPP='sparc'
546         HostVendor_CPP='sun'
547         HostOS_CPP='sunos4'
548         ;;
549 sparc-sun-solaris2*)
550         HostPlatform=sparc-sun-solaris2
551         TargetPlatform=sparc-sun-solaris2 #hack
552         BuildPlatform=sparc-sun-solaris2 #hack
553         HostPlatform_CPP='sparc_sun_solaris2'
554         HostArch_CPP='sparc'
555         HostVendor_CPP='sun'
556         HostOS_CPP='solaris2'
557         ;;
558 sparc*-linux*)
559         HostPlatform=sparc-unknown-linux
560         TargetPlatform=sparc-unknown-linux
561         BuildPlatform=sparc-unknown-linux
562         HostPlatform_CPP='sparc_unknown_linux'
563         HostArch_CPP='sparc'
564         HostVendor_CPP='unknown'
565         HostOS_CPP='linux'
566         ;;
567 sparc-*-openbsd*)
568         HostPlatform=sparc-unknown-openbsd
569         TargetPlatform=sparc-unknown-openbsd
570         BuildPlatform=sparc-unknown-openbsd
571         HostPlatform_CPP='sparc_unknown_openbsd'
572         HostArch_CPP='sparc'
573         HostVendor_CPP='unknown'
574         HostOS_CPP='openbsd'
575         ;;
576 sparc64-*-openbsd*)
577         HostPlatform=sparc64-unknown-openbsd
578         TargetPlatform=sparc64-unknown-openbsd
579         BuildPlatform=sparc64-unknown-openbsd
580         HostPlatform_CPP='sparc64_unknown_openbsd'
581         HostArch_CPP='sparc64'
582         HostVendor_CPP='unknown'
583         HostOS_CPP='openbsd'
584         ;;
585 vax-*-openbsd*)
586         HostPlatform=vax-unknown-openbsd
587         TargetPlatform=vax-unknown-openbsd
588         BuildPlatform=vax-unknown-openbsd
589         HostPlatform_CPP='vax_unknown_openbsd'
590         HostArch_CPP='vax'
591         HostVendor_CPP='unknown'
592         HostOS_CPP='openbsd'
593         ;;
594 *)
595         echo "Unrecognised platform: $HostPlatform"
596         exit 1
597         ;;
598 esac
599 echo "Canonicalised to: $HostPlatform"
600 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
601 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
602
603 BuildPlatform_CPP=$HostPlatform_CPP
604 TargetPlatform_CPP=$HostPlatform_CPP
605 BuildArch_CPP=$HostArch_CPP
606 TargetArch_CPP=$HostArch_CPP
607 BuildOS_CPP=$HostOS_CPP
608 HostOS_Full=$host_os
609 TargetOS_CPP=$HostOS_CPP
610 BuildVendor_CPP=$HostVendor_CPP
611 TargetVendor_CPP=$HostVendor_CPP
612
613 AC_SUBST(BuildPlatform)
614 AC_SUBST(HostPlatform)
615 AC_SUBST(TargetPlatform)
616 AC_SUBST(HostPlatform_CPP)
617 AC_SUBST(BuildPlatform_CPP)
618 AC_SUBST(TargetPlatform_CPP)
619
620 AC_SUBST(HostArch_CPP)
621 AC_SUBST(BuildArch_CPP)
622 AC_SUBST(TargetArch_CPP)
623
624 AC_SUBST(HostOS_CPP)
625 AC_SUBST(HostOS_Full)
626 AC_SUBST(BuildOS_CPP)
627 AC_SUBST(TargetOS_CPP)
628
629 AC_SUBST(HostVendor_CPP)
630 AC_SUBST(BuildVendor_CPP)
631 AC_SUBST(TargetVendor_CPP)
632
633 AC_SUBST(exeext)
634 AC_SUBST(soext)
635
636 dnl --------------------------------------------------------------
637 dnl * Project specific configuration options
638 dnl --------------------------------------------------------------
639 dnl What follows is a bunch of options that can either be configured
640 dnl through command line options to the configure script or by
641 dnl supplying defns in the build tree's mk/build.mk. Having the option to
642 dnl use either is considered a Feature.
643
644 dnl ** What command to use to compile compiler sources ?
645 dnl --------------------------------------------------------------
646
647 AC_ARG_WITH([ghc],
648 [AC_HELP_STRING([--with-ghc=ARG],
649   [Use ARG as the path to GHC  [default=autodetect]])],
650   [WithGhc="$withval"],
651   [if test "$GHC" = ""; then
652     AC_PATH_PROG([GHC], [ghc])
653   fi
654   WithGhc="$GHC"])
655 # GHC is passed to Cabal, so we need a native path
656 if test "${WithGhc}" != "" && test "$HostPlatform" = "i386-unknown-mingw32"
657 then
658     if test "${OSTYPE}" = "msys"
659     then
660         WithGhc=`echo "${WithGhc}" | sed "s#^/\([a-zA-Z]\)/#\1:/#"`
661     else
662         # Canonicalise to <drive>:/path/to/ghc
663         WithGhc=`cygpath -m ${WithGhc}`
664     fi
665     echo "Canonicalised to: ${WithGhc}"
666 fi
667 AC_SUBST([WithGhc])
668
669 AC_ARG_WITH(hc,
670 [AC_HELP_STRING([--with-hc=ARG],
671         [Use ARG as the path to the compiler for compiling ordinary
672          Haskell code  (default= value of --with-ghc)])],
673 [WithHc="$withval"],
674 [WithHc=$WithGhc]
675 )
676 AC_SUBST(WithHc)
677
678 AC_ARG_ENABLE(bootstrap-with-devel-snapshot,
679 [AC_HELP_STRING([--enable-bootstrap-with-devel-snapshot],
680                 [Allow bootstrapping using a development snapshot of GHC.  This is not guaranteed to work.])],
681         EnableBootstrapWithDevelSnaphost=YES,
682         EnableBootstrapWithDevelSnaphost=NO
683 )
684
685 if test "$WithGhc" != ""; then
686   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
687
688   if test "$GhcMajVersion" = "unknown" -o "$GhcMinVersion" = "unknown"; then
689      AC_MSG_ERROR([Cannot determine the version of $WithGhc.  Is it really GHC?])
690   fi
691
692   AC_SUBST(GhcVersion)dnl
693   AC_SUBST(GhcMajVersion)dnl
694   AC_SUBST(GhcMinVersion)dnl
695   AC_SUBST(GhcPatchLevel)dnl
696   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
697   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
698   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
699   if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
700   AC_SUBST(ghc_ge_607)dnl
701   AC_SUBST(ghc_ge_609)dnl
702 fi
703
704 AC_PATH_PROGS(NHC,nhc nhc98)
705 AC_PATH_PROG(HBC,hbc)
706
707 dnl ** Which gcc to use?
708 dnl --------------------------------------------------------------
709 AC_ARG_WITH(gcc,
710 [AC_HELP_STRING([--with-gcc=ARG],
711         [Use ARG as the path to GCC  [default=autodetect]])],
712 [WhatGccIsCalled="$withval"
713  if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
714     test "${OSTYPE}"      != "msys"                  && \
715     test "${withval}"     != ""
716  then
717      # Canonicalise to <drive>:/path/to/gcc
718      withval=`cygpath -m ${withval}`
719  fi;
720  CC="$withval"
721  export CC
722  ],
723 [WhatGccIsCalled="gcc"]
724 )
725 AC_SUBST(WhatGccIsCalled)
726
727 dnl ** Which ld to use?
728 dnl --------------------------------------------------------------
729 AC_ARG_WITH(ld,
730 [AC_HELP_STRING([--with-ld=ARG],
731         [Use ARG as the path to LD  [default=autodetect]])],
732 [if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
733     test "${OSTYPE}"      != "msys"                  && \
734     test "${withval}"     != ""
735  then
736      # Canonicalise to <drive>:/path/to/ld
737      withval=`cygpath -m ${withval}`
738  fi;
739  LD=$withval
740  FP_PROG_LD([$LD])
741  ],
742  [FP_PROG_LD()]
743 )
744
745 dnl ** Build shared and/or static libs?
746 dnl --------------------------------------------------------------
747 AC_ARG_ENABLE(shared,
748 [AC_HELP_STRING([--enable-shared],
749 [Build shared libraries, if available (EXPERIMENTAL, non-working). [default=no]])],
750 [ if test x"$enableval" = x"yes"; then
751         AC_MSG_WARN([--enable-shared is experimental and not fully supported at this time])
752         BuildSharedLibs=YES
753   else
754         BuildSharedLibs=NO
755   fi
756 ],
757 [BuildSharedLibs=NO]
758 )
759 AC_SUBST(BuildSharedLibs)
760
761 # ToDo later:
762 # AC_ARG_ENABLE(static,
763 # [AC_HELP_STRING([--enable-static],
764 # [Build static libraries. [default=yes]])],
765 # [ if test x"$enableval" = x"yes"; then
766 #         BuildStaticLibs=YES
767 #   else
768 #         BuildStaticLibs=NO
769 #   fi
770 # ],
771 # [BuildStaticLibs=YES]
772 # )
773 # AC_SUBST(BuildStaticLibs)
774
775 dnl ** Booting from .hc files?
776 dnl --------------------------------------------------------------
777 AC_ARG_ENABLE(hc-boot,
778 [AC_HELP_STRING([--enable-hc-boot],
779 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
780  (This option is mostly of interest to porters.) [default=no]])],
781 [ if test x"$enableval" = x"yes"; then
782         BootingFromHc=YES
783   else
784         BootingFromHc=NO
785   fi
786 ],
787 [BootingFromHc=NO]
788 )
789 AC_SUBST(BootingFromHc)
790
791 dnl ** Booting from unregisterised .hc files?
792 dnl --------------------------------------------------------------
793 AC_ARG_ENABLE(hc-boot-unregisterised,
794 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
795 [ With --enable-hc-boot, treat the intermediate .hc files as
796  unregisterised rather than registerised code.
797  (This option is mostly of interest to porters.) [default=no]])],
798 [ if test x"$enableval" = x"yes"; then
799         BootingFromUnregisterisedHc=YES
800   else
801         BootingFromUnregisterisedHc=NO
802   fi
803 ],
804 [BootingFromUnregisterisedHc=NO]
805 )
806 AC_SUBST(BootingFromUnregisterisedHc)
807
808 if test "$BootingFromHc" = "NO"; then
809 if test "$BootingFromUnregisterisedHc" = "YES"; then
810 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
811 fi;
812 fi;
813
814 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
815 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
816   if test "$WithGhc" = ""; then
817      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
818   fi
819   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.6],
820     [AC_MSG_ERROR([GHC version 6.6 or later is required to compile GHC.])])dnl
821
822   if test `expr $GhcMinVersion % 2` = "1"; then
823      echo $EnableBootstrapWithDevelSnaphost
824      if test "$EnableBootstrapWithDevelSnaphost" = "NO"; then
825         AC_MSG_ERROR([
826      $WithGhc is a development snapshot of GHC, version $GhcVersion.
827      Bootstrapping using this version of GHC is not supported, and may not
828      work.  Use --enable-bootstrap-with-devel-snapshot to try it anyway,
829      or --with-ghc to specify a different GHC to use.])
830      fi
831   fi
832 fi;
833
834 # This uses GHC, so put it after the "GHC is required" check above:
835 FP_FIND_ROOT
836
837 dnl ** Enable the construction of Win32 DLLs?
838 dnl --------------------------------------------------------------
839 dnl
840 dnl [ The ability to build the RTS and libraries as separate DLLs used
841 dnl   to be supported, but isn't currently (updates to the RTS, compiler
842 dnl   and build system would be required to bring it back again.)
843 dnl   Hence, exposing it as an option is false advertisement, so better
844 dnl   disable it to avoid confusion (but leave it commented-out rather
845 dnl   than removed in order to remind ourselves to bring back the
846 dnl   feature at some stage.) ]
847 dnl
848 dnl AC_ARG_ENABLE(win32-dlls,
849 dnl [  --enable-win32-dlls
850 dnl         If on a Win32 platform running mingw32/cygwin, enable the
851 dnl         construction of DLLs containing ghc-compiled code.
852 dnl ],
853 dnl [
854 dnl case $HostOS_CPP in
855 dnl cygwin32) ;;
856 dnl mingw32)  ;;
857 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
858 dnl       exit 1
859 dnl       ;;
860 dnl esac
861 dnl EnableWin32DLLs=YES
862 dnl ],
863 dnl [EnableWin32DLLs=NO]
864 dnl )
865 dnl AC_SUBST(EnableWin32DLLs)
866 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
867 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
868 dnl fi
869
870 dnl ** Mac OS X: explicit deployment target
871 dnl --------------------------------------------------------------
872 AC_ARG_WITH([macosx-deployment-target],
873 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
874         [Build for Mac OS VERSION and higher  (default= version of build host)])],
875 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
876  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
877    # ignore everywhere, but on Mac OS
878    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
879    FP_MACOSX_DEPLOYMENT_TARGET=none
880  fi],
881 [FP_MACOSX_DEPLOYMENT_TARGET=none]
882 )
883 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
884 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
885 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
886
887 dnl --------------------------------------------------------------
888 dnl End of configure script option section
889 dnl --------------------------------------------------------------
890
891
892 dnl --------------------------------------------------------------
893 dnl * General configuration checks
894 dnl --------------------------------------------------------------
895
896 dnl ** Can the unix package be built?
897 dnl --------------------------------------------------------------
898
899 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
900    GhcLibsWithUnix=NO
901 else
902    GhcLibsWithUnix=YES
903 fi
904 AC_SUBST([GhcLibsWithUnix])
905
906 dnl ** does #! work?
907 AC_SYS_INTERPRETER()
908
909 dnl ** look for `perl', but only in /bin on Windows
910 case $HostOS_CPP in
911 cygwin32|mingw32)
912       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
913       if test -z "$PerlCmd"; then
914          echo "You must install the version of Perl shipped with GHC"
915          echo "(or a compatible one) in /bin."
916          exit 1
917       fi
918    ;;
919 *)
920    AC_PATH_PROG(PerlCmd,perl)
921    if test -z "$PerlCmd"; then
922       echo "You must install perl before you can continue"
923       echo "Perhaps it is already installed, but not in your PATH?"
924       exit 1
925    else
926    FPTOOLS_CHECK_PERL_VERSION
927    fi
928    ;;
929 esac
930
931 dnl ** does #! path/to/perl work? (sometimes it's too long...)
932 FPTOOLS_SHEBANG_PERL
933
934 dnl ** check for Python
935 AC_PATH_PROG(PythonCmd,python)
936
937 dnl ** look for GCC and find out which version
938 dnl     Figure out which C compiler to use.  Gcc is preferred.
939 dnl     If gcc, make sure it's at least 2.1
940 dnl
941 FP_HAVE_GCC
942 FP_MINGW_GCC
943 FP_GCC_EXTRA_FLAGS
944
945 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
946 AC_PROG_CPP
947
948 dnl ** Without optimization some INLINE trickery fails for GHCi
949 SRC_CC_OPTS="-O"
950
951 AC_SUBST(SRC_CC_OPTS)
952
953 dnl ** figure out how to do context diffs
954 FP_PROG_CONTEXT_DIFF
955
956 dnl ** Find find command (for Win32's benefit)
957 FP_PROG_FIND
958
959 dnl ** Find sort command (for the benefit of Win32 environs)
960 FP_PROG_SORT
961
962 dnl Let's make sure install-sh is executable here.  If we got it from
963 dnl a darcs repo, it might not be (see bug #978).
964 chmod +x install-sh
965 dnl ** figure out how to do a BSD-ish install
966 AC_PROG_INSTALL
967
968 dnl If you can run configure, you certainly have /bin/sh
969 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
970
971 dnl ** how to invoke `ar' and `ranlib'
972 FP_PROG_AR_NEEDS_RANLIB
973 FP_PROG_AR_SUPPORTS_INPUT
974
975 dnl ** Check to see whether ln -s works
976 AC_PROG_LN_S
977
978
979 dnl ** Find the path to sed
980 AC_PATH_PROG(SedCmd,sed)
981
982
983 dnl ** check for time command
984 AC_PATH_PROG(TimeCmd,time)
985
986 dnl ** check for tar
987 dnl   if GNU tar is named gtar, look for it first.
988 AC_PATH_PROGS(TarCmd,gtar tar,tar)
989
990 dnl ** check for patch
991 dnl if GNU patch is named gpatch, look for it first
992 AC_PATH_PROGS(PatchCmd,gpatch patch, patch)
993
994 AC_PATH_PROG(HSCOLOUR,HsColour)
995 # HsColour is passed to Cabal, so we need a native path
996 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
997    test "${OSTYPE}"      != "msys"                  && \
998    test "${HSCOLOUR}"    != ""
999 then
1000     # Canonicalise to <drive>:/path/to/gcc
1001     HSCOLOUR=`cygpath -m ${HSCOLOUR}`
1002 fi
1003
1004 dnl ** check for DocBook toolchain
1005 FP_CHECK_DOCBOOK_DTD
1006 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
1007
1008 FP_PROG_DBLATEX
1009
1010 FP_PROG_HSTAGS
1011
1012 dnl ** check for ghc-pkg command
1013 FP_PROG_GHC_PKG
1014
1015 dnl ** check for installed happy binary + version
1016 dnl    (don't do it if we're booting from .hc files though.)
1017 if test "$BootingFromHc" = "NO"; then
1018 FPTOOLS_HAPPY
1019 fi;
1020
1021 dnl ** check for installed alex binary + version
1022 dnl    (don't do it if we're booting from .hc files though.)
1023 if test "$BootingFromHc" = "NO"; then
1024 FPTOOLS_ALEX
1025 fi;
1026
1027 dnl Check we have an acceptable version of windres
1028 FPTOOLS_WINDRES
1029
1030 dnl --------------------------------------------------
1031 dnl ### program checking section ends here ###
1032 dnl --------------------------------------------------
1033
1034 dnl --------------------------------------------------
1035 dnl * Platform header file and syscall feature tests
1036 dnl ### checking the state of the local header files and syscalls ###
1037
1038 dnl ** check for full ANSI header (.h) files
1039 AC_HEADER_STDC
1040
1041 dnl ** Enable large file support.  NB. do this before testing the type of
1042 dnl    off_t, because it will affect the result of that test.
1043 AC_SYS_LARGEFILE
1044
1045 dnl ** check for specific header (.h) files that we are interested in
1046 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h sched.h])
1047
1048 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1049 AC_HEADER_TIME
1050
1051 dnl ** do we have long longs?
1052 AC_CHECK_TYPES([long long])
1053
1054 dnl ** what are the sizes of various types
1055 AC_CHECK_SIZEOF(char,               1)
1056 AC_CHECK_SIZEOF(double,             8)
1057 AC_CHECK_SIZEOF(float,              4)
1058 AC_CHECK_SIZEOF(int,                4)
1059 AC_CHECK_SIZEOF(long,               4)
1060 if test "$ac_cv_type_long_long" = yes; then
1061 AC_CHECK_SIZEOF(long long,          8)
1062 fi
1063 AC_CHECK_SIZEOF(short,              2)
1064 AC_CHECK_SIZEOF(unsigned char,      1)
1065 AC_CHECK_SIZEOF(unsigned int,       4)
1066 AC_CHECK_SIZEOF(unsigned long,      4)
1067 if test "$ac_cv_type_long_long" = yes; then
1068 AC_CHECK_SIZEOF(unsigned long long, 8)
1069 fi
1070 AC_CHECK_SIZEOF(unsigned short,     2)
1071 AC_CHECK_SIZEOF(void *,             4)
1072
1073 dnl ** what are alignment constraints on various types
1074 FP_CHECK_ALIGNMENT(char)
1075 FP_CHECK_ALIGNMENT(double)
1076 FP_CHECK_ALIGNMENT(float)
1077 FP_CHECK_ALIGNMENT(int)
1078 FP_CHECK_ALIGNMENT(long)
1079 if test "$ac_cv_type_long_long" = yes; then
1080 FP_CHECK_ALIGNMENT(long long)
1081 fi
1082 FP_CHECK_ALIGNMENT(short)
1083 FP_CHECK_ALIGNMENT(unsigned char)
1084 FP_CHECK_ALIGNMENT(unsigned int)
1085 FP_CHECK_ALIGNMENT(unsigned long)
1086 if test "$ac_cv_type_long_long" = yes; then
1087 FP_CHECK_ALIGNMENT(unsigned long long)
1088 fi
1089 FP_CHECK_ALIGNMENT(unsigned short)
1090 FP_CHECK_ALIGNMENT(void *)
1091
1092 FP_CHECK_FUNC([WinExec],
1093   [@%:@include <windows.h>], [WinExec("",0)])
1094
1095 FP_CHECK_FUNC([GetModuleFileName],
1096   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1097
1098 dnl ** check return type of signal handlers
1099 dnl Foo: assumes we can use prototypes.
1100 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1101 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1102 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1103 dnl #include <signal.h>
1104 dnl #ifdef signal
1105 dnl #undef signal
1106 dnl #endif
1107 dnl void (*signal (int, void (*)(int)))(int);
1108 dnl ]],
1109 dnl [[int i;]])],
1110 dnl [ac_cv_type_signal_handler=void_int],
1111 dnl [ac_cv_type_signal_handler=int_void])])
1112 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1113 dnl AC_DEFINE(VOID_INT_SIGNALS)
1114 dnl fi
1115
1116 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1117 AC_TYPE_SIGNAL
1118 if test "$ac_cv_type_signal" = void; then
1119   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).])
1120 fi
1121
1122 dnl ** check for more functions
1123 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1124 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r, sched_setaffinity])
1125
1126 AC_TRY_RUN([
1127 #include <sys/types.h>
1128 #include <sys/time.h>
1129 int main(void) {
1130   struct itimerval tval;
1131   tval.it_value.tv_sec = 1;
1132   tval.it_value.tv_usec = 0;
1133   tval.it_interval = tval.it_value;
1134   return setitimer(ITIMER_VIRTUAL, &tval, (void*)0) != 0;
1135 }
1136 ],[AC_DEFINE([HAVE_SETITIMER_VIRTUAL], [1], [Define to 1 if setitimer accepts ITIMER_VIRTUAL, 0 else.])])
1137
1138 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1139 dnl ** _POSIX_C_SOURCE is defined
1140 AC_CHECK_DECLS([ctime_r], , ,
1141 [#define _POSIX_SOURCE 1
1142 #define _POSIX_C_SOURCE 199506L
1143 #include <time.h>])
1144
1145 dnl ** For ghc/rts/gmp:
1146 AC_CHECK_FUNCS([getpagesize])
1147
1148 dnl ** check whether this machine has gmp3 installed
1149 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1150   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1151     HaveLibGmp=NO; LibGmp=not-installed))
1152   if test $HaveLibGmp = YES; then
1153     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1154   fi;
1155 AC_SUBST(HaveLibGmp)
1156 AC_SUBST(LibGmp)
1157
1158 dnl ** (Mac OS X only: check for GMP.framework)
1159 HaveFrameworkGMP=NO
1160 case $HostPlatform in
1161 *-apple-darwin)
1162     AC_MSG_CHECKING([for GMP.framework])
1163     save_libs="$LIBS"
1164     LIBS="-framework GMP"
1165     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1166     if test $HaveFrameworkGMP = YES; then
1167       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1168     fi;
1169     LIBS="$save_libs"
1170     AC_MSG_RESULT([$HaveFrameworkGMP])
1171     ;;
1172 esac
1173 AC_SUBST(HaveFrameworkGMP)
1174
1175 dnl ** check for mingwex library
1176 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1177 AC_SUBST(HaveLibMingwEx)
1178
1179 if test $HaveLibMingwEx = YES ; then
1180   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1181 fi
1182
1183 if test "$HaveLibGmp" = "NO"; then
1184 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1185 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1186 fi;
1187 fi;
1188
1189 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1190 dnl    the order of these tests matters: bfd needs liberty
1191 AC_CHECK_LIB(iberty, xmalloc)
1192 AC_CHECK_LIB(bfd,    bfd_init)
1193
1194 dnl ** check for math library
1195 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1196 if test x"$fp_libm_not_needed" = xdunno; then
1197    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1198 fi
1199 AC_SUBST([LIBM])
1200
1201 dnl ################################################################
1202 dnl Check for libraries
1203 dnl ################################################################
1204
1205 dnl ** check whether we need -ldl to get dlopen()
1206
1207 AC_CHECK_LIB(dl, dlopen,
1208     [HaveLibDL=YES
1209      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1210      LIBS="$LIBS -ldl"],
1211     [HaveLibDL=NO])
1212 AC_SUBST(HaveLibDL)
1213
1214 dnl --------------------------------------------------
1215 dnl * Miscellaneous feature tests
1216 dnl --------------------------------------------------
1217
1218 dnl ** can we get alloca?
1219 AC_FUNC_ALLOCA
1220
1221 dnl ** Working vfork?
1222 AC_FUNC_FORK
1223
1224 dnl ** determine whether or not const works
1225 AC_C_CONST
1226
1227 dnl ** are we big endian?
1228 AC_C_BIGENDIAN
1229 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1230
1231 dnl ** check for leading underscores in symbol names
1232 FP_LEADING_UNDERSCORE
1233
1234 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1235 FP_PROG_LD_X
1236 FP_PROG_LD_IS_GNU
1237
1238 dnl ** check for Apple-style dead-stripping support
1239 dnl    (.subsections-via-symbols assembler directive)
1240
1241
1242 AC_MSG_CHECKING(for .subsections_via_symbols)
1243 AC_COMPILE_IFELSE(
1244     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1245     [AC_MSG_RESULT(yes)
1246      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1247                [Define to 1 if Apple-style dead-stripping is supported.])
1248     ],
1249     [AC_MSG_RESULT(no)])
1250
1251 dnl *** check for GNU non-executable stack note support (ELF only)
1252 dnl     (.section .note.GNU-stack,"",@progbits)
1253
1254 AC_MSG_CHECKING(for GNU non-executable stack support)
1255 AC_COMPILE_IFELSE(
1256     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1257     [AC_MSG_RESULT(yes)
1258      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1259                [Define to 1 if GNU non-executable stack notes are supported.])
1260     ],
1261     [AC_MSG_RESULT(no)])
1262
1263 dnl ** check for librt
1264 AC_CHECK_LIB(rt, clock_gettime)
1265 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1266 FP_CHECK_TIMER_CREATE
1267
1268 dnl ** check for Apple's "interesting" long double compatibility scheme
1269 AC_MSG_CHECKING(for printf\$LDBLStub)
1270 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1271     [
1272         AC_MSG_RESULT(yes)
1273         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1274             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1275     ],
1276     [
1277         AC_MSG_RESULT(no)
1278         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1279             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1280     ])
1281
1282 # test for GTK+
1283 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1284 if test -n "$GTK_CONFIG"; then
1285   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1286     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1287   else
1288     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1289     GTK_CONFIG=
1290   fi
1291 fi
1292 AC_SUBST([GTK_CONFIG])
1293
1294 #Checking for PAPI
1295 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1296 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1297 AC_SUBST(HavePapiLib)
1298 AC_SUBST(HavePapiHeader)
1299
1300 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1301    HavePapi=YES
1302 else
1303    HavePapi=NO
1304 fi
1305 AC_SUBST(HavePapi)
1306
1307 if test "$DIR_DOCBOOK_XSL" = "" ||
1308    test "$XsltprocCmd" = ""
1309 then
1310     BUILD_DOCBOOK_HTML=NO
1311 else
1312     BUILD_DOCBOOK_HTML=YES
1313 fi
1314 AC_SUBST(BUILD_DOCBOOK_HTML)
1315
1316 if test "$DblatexCmd" = ""
1317 then
1318     BUILD_DOCBOOK_PS=NO
1319     BUILD_DOCBOOK_PDF=NO
1320 else
1321     BUILD_DOCBOOK_PS=YES
1322     BUILD_DOCBOOK_PDF=YES
1323 fi
1324 AC_SUBST(BUILD_DOCBOOK_PS)
1325 AC_SUBST(BUILD_DOCBOOK_PDF)
1326
1327 AC_CONFIG_FILES([mk/config.mk mk/project.mk compiler/ghc.cabal ghc/ghc-bin.cabal ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1328 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1329 AC_OUTPUT
1330
1331 # We get caught by
1332 #     http://savannah.gnu.org/bugs/index.php?1516
1333 #     $(eval ...) inside conditionals causes errors
1334 # with make 3.80, so warn the user if it looks like they're about to
1335 # try to use it.
1336 # We would use "grep -q" here, but Solaris's grep doesn't support it.
1337 checkMake380() {
1338     if $1 --version 2>&1 | head -1 | grep 'GNU Make 3\.80' > /dev/null
1339     then
1340         echo
1341         echo "WARNING: It looks like \"$1\" is GNU make 3.80."
1342         echo "This version cannot be used to build GHC."
1343         echo "Please use GNU make >= 3.81."
1344     fi
1345 }
1346
1347 checkMake380 make
1348 checkMake380 gmake
1349
1350 echo ["
1351 ----------------------------------------------------------------------
1352 Configure completed successfully.
1353
1354    Building GHC version  : $ProjectVersion
1355
1356    Build platform        : $BuildPlatform
1357    Host platform         : $HostPlatform
1358    Target platform       : $TargetPlatform
1359 "]
1360
1361 if test "$BootingFromHc" = "YES"; then
1362 echo ["\
1363    Bootstrapping from HC files.
1364 "]
1365 else
1366 echo ["\
1367    Bootstrapping using   : $WithGhc
1368       which is version   : $GhcVersion
1369 "]
1370 fi
1371
1372 echo ["\
1373    Using GCC             : $WhatGccIsCalled
1374       which is version   : $GccVersion
1375
1376    ld       : $LdCmd
1377    Happy    : $HappyCmd
1378    Alex     : $AlexCmd
1379    Python   : $PythonCmd
1380    Perl     : $PerlCmd"]
1381
1382 if test "$HSCOLOUR" = ""; then
1383 echo ["
1384    HsColour was not found; documentation will not contain source links
1385 "]
1386 else
1387 echo ["\
1388    HsColour : $HSCOLOUR
1389 "]
1390 fi
1391
1392 echo "Building DocBook HTML documentation: $BUILD_DOCBOOK_HTML"
1393 echo "Building DocBook PS documentation:   $BUILD_DOCBOOK_PS"
1394 echo "Building DocBook PDF documentation:  $BUILD_DOCBOOK_PDF"
1395
1396 echo ["Building shared libraries      : $BuildSharedLibs"]
1397
1398 echo ["----------------------------------------------------------------------
1399 "]
1400
1401 echo "\
1402 For a standard build of GHC (fully optimised with profiling), type (g)make.
1403
1404 To make changes to the default build configuration, copy the file
1405 mk/build.mk.sample to mk/build.mk, and edit the settings in there.
1406
1407 For more information on how to configure your GHC build, see
1408    http://hackage.haskell.org/trac/ghc/wiki/Building
1409 "