[project @ 2003-08-13 12:34:04 by simonmar]
[ghc-hetmet.git] / configure.in
1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | 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 AQUA Project, Glasgow University, 1994-1998
7 #
8 # Configure script template for the Glasgow functional programming tools
9 #
10 # Process with 'autoconf' 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 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
18
19 dnl * We require autoconf version 2.53 due to the use of AC_SYS_LARGEFILE
20 AC_PREREQ(2.52)
21
22 dnl * Declare subdirectories that have a private configure script
23 dnl
24 dnl After the toplevel configuration is complete, the script will recurse into
25 dnl these subdirectories (the use of cache values makes repeated checks cheap)
26 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
27 AC_CONFIG_SUBDIRS(ghc)
28
29 # -------------------------------------------------------------------------
30 # Prepare to generate the following header files
31 #
32 #
33 AC_CONFIG_HEADER(mk/config.h)
34
35 # No, semi-sadly, we don't do `--srcdir'...
36 if test x"$srcdir" != 'x.' ; then
37     echo "This configuration does not support the \`--srcdir' option.."
38     exit 1
39 fi
40
41 dnl--------------------------------------------------------------------
42 dnl * Choose host(/target/build) platform
43 dnl--------------------------------------------------------------------
44
45 dnl Guess host/target/build platform(s) if necessary.
46 AC_CANONICAL_SYSTEM
47
48 # "$host" defaults to "$target"
49 if test "x$host" = xNONE ; then
50     host=$target
51 fi
52
53 dnl ** canonicalize platform names
54 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
55 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
56 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
57
58 if test x"$TargetPlatform" != x"$HostPlatform" ; then
59     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
60     exit 1
61 fi
62
63 exeext=''
64 #
65 # The following will be more difficult when we *are* cross-compiling.
66 # Suitable names to slam in *_CPP are in platform.h.in.
67 # We also record the architecture, vendor, and operating system (OS)
68 # separately.
69 case $HostPlatform in
70 alpha*-dec-osf[[12]]*)
71         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
72         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
73         BuildPlatform=alpha-dec-osf1  # hack
74         HostPlatform_CPP='alpha_dec_osf1'
75         HostArch_CPP='alpha'
76         HostVendor_CPP='dec'
77         HostOS_CPP='osf1'
78         ;;
79 alpha*-dec-osf[[345]]*)
80         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
81         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
82         BuildPlatform=alpha-dec-osf3  # hack
83         HostPlatform_CPP='alpha_dec_osf3'
84         HostArch_CPP='alpha'
85         HostVendor_CPP='dec'
86         HostOS_CPP='osf3'
87         ;;
88 alpha*-unknown-linux*)
89         HostPlatform=alpha-unknown-linux
90         TargetPlatform=alpha-unknown-linux
91         BuildPlatform=alpha-unknown-linux
92         HostPlatform_CPP='alpha_unknown_linux'
93         HostArch_CPP='alpha'
94         HostVendor_CPP='unknown'
95         HostOS_CPP='linux'
96         ;;
97 alpha*-unknown-freebsd*)
98         HostPlatform=alpha-unknown-freebsd
99         TargetPlatform=alpha-unknown-freebsd
100         BuildPlatform=alpha-unknown-freebsd
101         HostPlatform_CPP='alpha_unknown_freebsd'
102         HostArch_CPP='alpha'
103         HostVendor_CPP='unknown'
104         HostOS_CPP='freebsd'
105         ;;
106 hppa1.1-hp-hpux*)
107         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
108         TargetPlatform=hppa1.1-hp-hpux
109         BuildPlatform=hppa1.1-hp-hpux
110         HostPlatform_CPP='hppa1_1_hp_hpux'
111         HostArch_CPP='hppa1_1'
112         HostVendor_CPP='hp'
113         HostOS_CPP='hpux'
114         ;;
115 i[[3456]]86-*-linuxaout*)
116         HostPlatform=i386-unknown-linuxaout   # hack again
117         TargetPlatform=i386-unknown-linuxaout
118         BuildPlatform=i386-unknown-linuxaout
119         HostPlatform_CPP='i386_unknown_linuxaout'
120         HostArch_CPP='i386'
121         HostVendor_CPP='unknown'
122         HostOS_CPP='linuxaout'
123         ;;
124 i[[3456]]86-*-linux*)
125         HostPlatform=i386-unknown-linux # hack again
126         TargetPlatform=i386-unknown-linux
127         BuildPlatform=i386-unknown-linux
128         HostPlatform_CPP='i386_unknown_linux'
129         HostArch_CPP='i386'
130         HostVendor_CPP='unknown'
131         HostOS_CPP='linux'
132         ;;
133 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
134         HostPlatform=i386-unknown-freebsd # hack again
135         TargetPlatform=i386-unknown-freebsd
136         BuildPlatform=i386-unknown-freebsd
137         HostPlatform_CPP='i386_unknown_freebsd'
138         HostArch_CPP='i386'
139         HostVendor_CPP='unknown'
140         HostOS_CPP='freebsd'
141         ;;
142 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
143         HostPlatform=i386-unknown-freebsd2 # hack again
144         TargetPlatform=i386-unknown-freebsd2
145         BuildPlatform=i386-unknown-freebsd2
146         HostPlatform_CPP='i386_unknown_freebsd2'
147         HostArch_CPP='i386'
148         HostVendor_CPP='unknown'
149         HostOS_CPP='freebsd2'
150         ;;
151 i[[3456]]86-*-netbsd*)
152         HostPlatform=i386-unknown-netbsd # hack again
153         TargetPlatform=i386-unknown-netbsd
154         BuildPlatform=i386-unknown-netbsd
155         HostPlatform_CPP='i386_unknown_netbsd'
156         HostArch_CPP='i386'
157         HostVendor_CPP='unknown'
158         HostOS_CPP='netbsd'
159         ;;
160 i[[3456]]86-*-openbsd*)
161         HostPlatform=i386-unknown-openbsd # hack again
162         TargetPlatform=i386-unknown-openbsd
163         BuildPlatform=i386-unknown-openbsd
164         HostPlatform_CPP='i386_unknown_openbsd'
165         HostArch_CPP='i386'
166         HostVendor_CPP='unknown'
167         HostOS_CPP='openbsd'
168         ;;
169 i[[3456]]86-*-solaris2*)
170         HostPlatform=i386-unknown-solaris2 # hack again
171         TargetPlatform=i386-unknown-solaris2
172         BuildPlatform=i386-unknown-solaris2
173         HostPlatform_CPP='i386_unknown_solaris2'
174         HostArch_CPP='i386'
175         HostVendor_CPP='unknown'
176         HostOS_CPP='solaris2'
177         ;;
178 i[[3456]]86-*-cygwin*)
179         HostPlatform=i386-unknown-cygwin32 # hack again
180         TargetPlatform=i386-unknown-cygwin32
181         BuildPlatform=i386-unknown-cygwin32
182         HostPlatform_CPP='i386_unknown_cygwin32'
183         HostArch_CPP='i386'
184         HostVendor_CPP='unknown'
185         HostOS_CPP='cygwin32'
186         exeext='.exe'
187         ;;
188 i[[3456]]86-*-mingw32*)
189         HostPlatform=i386-unknown-mingw32 # hack again
190         TargetPlatform=i386-unknown-mingw32
191         BuildPlatform=i386-unknown-mingw32
192         HostPlatform_CPP='i386_unknown_mingw32'
193         HostArch_CPP='i386'
194         HostVendor_CPP='unknown'
195         HostOS_CPP='mingw32'
196         exeext='.exe'
197         ;;
198 ia64-*-linux*)
199         HostPlatform=ia64-unknown-linux # hack again
200         TargetPlatform=ia64-unknown-linux
201         BuildPlatform=ia64-unknown-linux
202         HostPlatform_CPP='ia64_unknown_linux'
203         HostArch_CPP='ia64'
204         HostVendor_CPP='unknown'
205         HostOS_CPP='linux'
206         ;;
207 m68k-next-nextstep2)
208         HostPlatform_CPP='m68k_next_nextstep2'
209         HostArch_CPP='m68k'
210         HostVendor_CPP='next'
211         HostOS_CPP='nextstep2'
212         ;;
213 m68k-next-nextstep3)
214         HostPlatform_CPP='m68k_next_nextstep3'
215         HostArch_CPP='m68k'
216         HostVendor_CPP='next'
217         HostOS_CPP='nextstep3'
218         ;;
219 i[[3456]]86-next-nextstep3)
220         HostPlatform=i386-next-nextstep3 # hack again
221         TargetPlatform=i386-next-nextstep3
222         BuildPlatform=i386-next-nextstep3
223         HostPlatform_CPP='i386_next_nextstep3'
224         HostArch_CPP='i386'
225         HostVendor_CPP='next'
226         HostOS_CPP='nextstep3'
227         ;;
228 m68k-*-openbsd*)
229         HostPlatform=m68k-unknown-openbsd
230         TargetPlatform=m68k-unknown-openbsd
231         BuildPlatform=m68k-unknown-openbsd
232         HostPlatform_CPP='m68k_unknown_openbsd'
233         HostArch_CPP='m68k'
234         HostVendor_CPP='unknown'
235         HostOS_CPP='openbsd'
236         ;;
237 m68k-apple-netbsd*)
238         HostPlatform=m68k-apple-netbsd
239         TargetPlatform=m68k-apple-netbsd
240         BuildPlatform=m68k-apple-netbsd
241         HostPlatform_CPP='m68k_apple_netbsd'
242         HostArch_CPP='m68k'
243         HostVendor_CPP='apple'
244         HostOS_CPP='netbsd'
245         ;;
246 m68k-sun-sunos4*)
247         HostPlatform=m68k-sun-sunos4
248         TargetPlatform=m68k-sun-sunos4 #hack
249         BuildPlatform=m68k-sun-sunos4 #hack
250         HostPlatform_CPP='m68k_sun_sunos4'
251         HostArch_CPP='m68k'
252         HostVendor_CPP='sun'
253         HostOS_CPP='sunos4'
254         ;;
255 mips-dec-ultrix*)
256         HostPlatform_CPP='mips_dec_ultrix'
257         HostArch_CPP='mipsel'   # NB a little different
258         HostVendor_CPP='dec'
259         HostOS_CPP='ultrix'
260         ;;
261 mips-sgi-irix*)
262         HostPlatform=mips-sgi-irix
263         TargetPlatform=mips-sgi-irix #hack
264         BuildPlatform=mips-sgi-irix #hack
265         HostPlatform_CPP='mips_sgi_irix'
266         HostArch_CPP='mipseb'   # NB a little different
267         HostVendor_CPP='sgi'
268         HostOS_CPP='irix'
269         ;;
270 rs6000-ibm-aix*)
271         HostPlatform=rs6000-ibm-aix
272         TargetPlatform=rs6000-ibm-aix #hack
273         BuildPlatform=rs6000-ibm-aix #hack
274         HostPlatform_CPP='rs6000_ibm_aix'
275         HostArch_CPP='rs6000'
276         HostVendor_CPP='ibm'
277         HostOS_CPP='aix'
278         ;;
279 powerpc-ibm-aix*)
280         HostPlatform=powerpc-ibm-aix
281         TargetPlatform=powerpc-ibm-aix #hack
282         BuildPlatform=powerpc-ibm-aix #hack
283         HostPlatform_CPP='powerpc_ibm_aix'
284         HostArch_CPP='powerpc'
285         HostVendor_CPP='ibm'
286         HostOS_CPP='aix'
287         ;;
288 powerpc-apple-darwin*)
289         HostPlatform=powerpc-apple-darwin
290         TargetPlatform=powerpc-apple-darwin #hack
291         BuildPlatform=powerpc-apple-darwin #hack
292         HostPlatform_CPP='powerpc_apple_darwin'
293         HostArch_CPP='powerpc'
294         HostVendor_CPP='apple'
295         HostOS_CPP='darwin'
296         ;;
297 sparc-sun-sunos4*)
298         HostPlatform=sparc-sun-sunos4
299         TargetPlatform=sparc-sun-sunos4 #hack
300         BuildPlatform=sparc-sun-sunos4 #hack
301         HostPlatform_CPP='sparc_sun_sunos4'
302         HostArch_CPP='sparc'
303         HostVendor_CPP='sun'
304         HostOS_CPP='sunos4'
305         ;;
306 sparc-sun-solaris2*)
307         HostPlatform=sparc-sun-solaris2
308         TargetPlatform=sparc-sun-solaris2 #hack
309         BuildPlatform=sparc-sun-solaris2 #hack
310         HostPlatform_CPP='sparc_sun_solaris2'
311         HostArch_CPP='sparc'
312         HostVendor_CPP='sun'
313         HostOS_CPP='solaris2'
314         ;;
315 *)
316         echo "Unrecognised platform: $HostPlatform"
317         exit 1
318         ;;
319 esac
320 echo "Canonicalised to: $HostPlatform"
321 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
322 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
323
324 BuildPlatform_CPP=$HostPlatform_CPP
325 TargetPlatform_CPP=$HostPlatform_CPP
326 BuildArch_CPP=$HostArch_CPP
327 TargetArch_CPP=$HostArch_CPP
328 BuildOS_CPP=$HostOS_CPP
329 HostOS_Full=$host_os
330 TargetOS_CPP=$HostOS_CPP
331 BuildVendor_CPP=$HostVendor_CPP
332 TargetVendor_CPP=$HostVendor_CPP
333
334 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
335 dnl AC_SUBST(BuildPlatform)
336
337 AC_SUBST(HostPlatform)
338 AC_SUBST(TargetPlatform)
339 AC_SUBST(HostPlatform_CPP)
340 dnl AC_SUBST(BuildPlatform_CPP)
341 dnl AC_SUBST(TargetPlatform_CPP)
342
343 AC_SUBST(HostArch_CPP)
344 dnl AC_SUBST(BuildArch_CPP)
345 dnl AC_SUBST(TargetArch_CPP)
346
347 AC_SUBST(HostOS_CPP)
348 AC_SUBST(HostOS_Full)
349 dnl AC_SUBST(BuildOS_CPP)
350 dnl AC_SUBST(TargetOS_CPP)
351
352 AC_SUBST(HostVendor_CPP)
353 dnl AC_SUBST(BuildVendor_CPP)
354 dnl AC_SUBST(TargetVendor_CPP)
355
356 AC_SUBST(exeext)
357
358 dnl --------------------------------------------------------------
359 dnl * Calculate absolute path to build tree
360 dnl --------------------------------------------------------------
361
362 AC_MSG_CHECKING(for path to top of build tree)
363
364 hardtop=`pwd`
365
366 dnl Remove common automounter nonsense
367 dnl
368 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
369
370 dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
371 dnl
372 case $HostPlatform in
373   i386-unknown-mingw32 | i386-unknown-cygwin32)
374         # convert $hardtop to a path that mingw will understand too
375         cyghardtop=${hardtop}
376         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
377         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
378         ;;
379   *)
380         hardtop_plat=${hardtop}
381         ;;
382 esac
383 AC_SUBST(hardtop)
384 AC_SUBST(hardtop_plat)
385
386 AC_MSG_RESULT(${hardtop})
387
388 dnl --------------------------------------------------------------
389 dnl * Project specific configuration options
390 dnl --------------------------------------------------------------
391 dnl What follows is a bunch of options that can either be configured
392 dnl through command line options to the configure script or by
393 dnl supplying defns in the build tree's mk/build.mk. Having the option to
394 dnl use either is considered a Feature.
395
396 dnl ** What command to use to compile compiler sources ?
397 dnl --------------------------------------------------------------
398
399 AC_ARG_WITH(ghc,
400 [  --with-ghc=<haskell compiler>
401         Use a command different from 'ghc' to compile GHC-specific Haskell code
402             (including GHC itself).
403 ],
404 [ WithGhc="$withval" ],
405
406   if test "$GHC" = ""; then
407     AC_PATH_PROG(GHC,ghc)
408   fi
409   WithGhc=$GHC
410 ]
411 )
412 AC_SUBST(WithGhc)
413
414 AC_ARG_WITH(hc,
415 [  --with-hc=<haskell compiler>
416         Use a command different from 'ghc' to compile generic Haskell code.
417 ],
418 [WithHc="$withval"],
419 [WithHc=$WithGhc]
420 )
421 AC_SUBST(WithHc)
422
423 if test "$WithGhc" != ""; then
424   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
425   AC_SUBST(GhcVersion)dnl
426   AC_SUBST(GhcMajVersion)dnl
427   AC_SUBST(GhcMinVersion)dnl
428   AC_SUBST(GhcPatchLevel)dnl
429 fi
430
431 AC_PATH_PROGS(NHC,nhc nhc98)
432 AC_PATH_PROG(HBC,hbc)
433
434 dnl ** Which gcc to use?
435 dnl --------------------------------------------------------------
436 AC_ARG_WITH(gcc,
437 [  --with-gcc=<gcc command>
438         Use a different command instead of 'gcc' for the GNU C compiler.
439 ],
440 [WhatGccIsCalled="$withval"
441  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
442     # Canonicalise to <drive>:/path/to/gcc
443     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
444  fi;
445  CC="$withval"],
446 [WhatGccIsCalled="gcc"]
447 )
448 AC_SUBST(WhatGccIsCalled)
449
450 dnl ** Booting from .hc files?
451 dnl --------------------------------------------------------------
452 AC_ARG_ENABLE(hc-boot,
453 [  --enable-hc-boot
454         Boot the Glasgow Haskell Compiler from intermediate .hc files.
455         (This option is mostly of interest to porters.)
456 ],
457 [BootingFromHc=YES],
458 [BootingFromHc=NO]
459 )
460 AC_SUBST(BootingFromHc)
461
462 dnl ** Booting from unregisterised .hc files?
463 dnl --------------------------------------------------------------
464 AC_ARG_ENABLE(hc-boot-unregisterised,
465 [  --enable-hc-boot-unregisterised
466         With --enable-hc-boot, treat the intermediate .hc files as
467         unregisterised rather than registerised code.
468         (This option is mostly of interest to porters.)
469 ],
470 [BootingFromUnregisterisedHc=YES],
471 [BootingFromUnregisterisedHc=NO]
472 )
473 AC_SUBST(BootingFromUnregisterisedHc)
474
475 if test "$BootingFromHc" = "NO"; then
476 if test "$BootingFromUnregisterisedHc" = "YES"; then
477 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
478 fi;
479 fi;
480
481 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
482 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
483 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
484 fi;
485
486 dnl ** Enable multi-thread friendly RTS?
487 dnl --------------------------------------------------------------
488 AC_ARG_ENABLE(threaded-rts,
489 [  --enable-threaded-rts
490         Support better interop with OS threads.
491 ],
492 [ThreadedRts=YES],
493 [ThreadedRts=NO]
494 )
495 AC_SUBST(ThreadedRts)
496
497 dnl ** Enable the construction of Win32 DLLs?
498 dnl --------------------------------------------------------------
499 dnl
500 dnl [ The ability to build the RTS and libraries as separate DLLs used
501 dnl   to be supported, but isn't currently (updates to the RTS, compiler 
502 dnl   and build system would be required to bring it back again.)
503 dnl   Hence, exposing it as an option is false advertisement, so better
504 dnl   disable it to avoid confusion (but leave it commented-out rather
505 dnl   than removed in order to remind ourselves to bring back the 
506 dnl   feature at some stage.) ]
507 dnl
508 dnl AC_ARG_ENABLE(win32-dlls,
509 dnl [  --enable-win32-dlls
510 dnl         If on a Win32 platform running mingw32/cygwin, enable the
511 dnl     construction of DLLs containing ghc-compiled code.
512 dnl ],
513 dnl [
514 dnl case $HostOS_CPP in
515 dnl cygwin32) ;;
516 dnl mingw32)  ;;
517 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
518 dnl       exit 1
519 dnl       ;;
520 dnl esac
521 dnl EnableWin32DLLs=YES
522 dnl ],
523 dnl [EnableWin32DLLs=NO]
524 dnl )
525 dnl AC_SUBST(EnableWin32DLLs)
526 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
527 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
528 dnl fi
529
530 dnl ** Enable the building of the ObjectIO?
531 dnl --------------------------------------------------------------
532 AC_ARG_ENABLE(objectio,
533 [  --enable-objectio
534         Build ObjectIO, a portable GUI library for Haskell.
535 ],
536 [GhcLibsWithObjectIO=YES],
537 [GhcLibsWithObjectIO=NO]
538 )
539 AC_SUBST(GhcLibsWithObjectIO)
540
541 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
542 dnl --------------------------------------------------------------
543 AC_ARG_ENABLE(hopengl,
544 [  --enable-hopengl
545         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
546         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
547         of the "native" libraries.
548 ],
549 [GhcLibsWithHOpenGL=YES],
550 [GhcLibsWithHOpenGL=NO]
551 )
552 UseQuartzOpenGL=NO
553 if test x"$TargetOS_CPP" = x"darwin"; then
554   if test x"$enable_hopengl" != x"x11"; then
555     AC_DEFINE(USE_QUARTZ_OPENGL)
556     UseQuartzOpenGL=YES
557   fi
558 fi
559
560 AC_SUBST(GhcLibsWithHOpenGL)
561
562 dnl ** .NET interop support?
563 dnl --------------------------------------------------------------
564 AC_ARG_ENABLE(dotnet,
565 [  --enable-dotnet
566         Build .NET interop layer.
567 ],
568 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
569 [DotnetSupport=NO]
570 )
571 AC_SUBST(DotnetSupport)
572
573 dnl --------------------------------------------------------------
574 dnl End of configure script option section
575 dnl --------------------------------------------------------------
576
577
578 dnl --------------------------------------------------------------
579 dnl * General configuration checks
580 dnl --------------------------------------------------------------
581
582 dnl ** does #! work?
583 AC_SYS_INTERPRETER()
584
585 dnl ** look for `perl', but only in /bin on Windows
586 case $HostOS_CPP in
587 cygwin32|mingw32)
588       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
589       if test -z "$PerlCmd"; then
590          echo "You must install the version of Perl shipped with GHC"
591          echo "(or a compatible one) in /bin."
592          exit 1
593       fi
594    ;;
595 *)
596    AC_PATH_PROG(PerlCmd,perl)
597    if test -z "$PerlCmd"; then
598       echo "You must install perl before you can continue"
599       echo "Perhaps it is already installed, but not in your PATH?"
600       exit 1
601    else
602    FPTOOLS_CHECK_PERL_VERSION
603    fi
604    ;;
605 esac
606
607 dnl ** does #! path/to/perl work? (sometimes it's too long...)
608 FPTOOLS_SHEBANG_PERL
609
610 dnl ** check for Python
611 AC_PATH_PROG(PythonCmd,python)
612
613 dnl ** look for GCC and find out which version
614 dnl     Figure out which C compiler to use.  Gcc is preferred.
615 dnl     If gcc, make sure it's at least 2.1
616 dnl
617 AC_PROG_CC
618 FPTOOLS_HAVE_GCC
619 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
620
621 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
622 AC_PROG_CPP
623
624 dnl ** Without optimization some INLINE trickery fails for GHCi
625 SRC_CC_OPTS="-O"
626
627 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
628 if test x"$TargetOS_CPP" = x"mingw32"; then
629   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
630   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
631   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
632 fi
633 AC_SUBST(SRC_CC_OPTS)
634
635 dnl ** figure out how to do context diffs
636 FPTOOLS_PROG_DIFF
637
638 dnl ** Find find command (for Win32's benefit)
639 FPTOOLS_FIND_FIND
640
641 dnl ** look for a decent parser generator (bison preferred)
642 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
643 dnl  on the suitability of the 'yacc' returned.)
644 FPTOOLS_PROG_YACCY
645
646 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
647 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
648 dnl    exists if 'flex' doesn't.
649 AC_PROG_LEX_STRICT
650
651 dnl ** figure out how to do a BSD-ish install
652 AC_PROG_INSTALL
653
654 dnl If you can run configure, you certainly have /bin/sh
655 AC_DEFINE(HAVE_BIN_SH)
656
657 dnl ** how to invoke `ar' and `ranlib'
658 FPTOOLS_PROG_AR_AND_RANLIB
659
660 dnl ** Check to see whether ln -s works
661 AC_PROG_LN_S
662
663
664 dnl ** Find the path to sed
665 AC_PATH_PROG(SedCmd,sed)
666
667
668 dnl ** check for time command
669 AC_PATH_PROG(TimeCmd,time)
670
671 dnl ** check for tar
672 dnl   if GNU tar is named gtar, look for it first.
673 AC_PATH_PROGS(TarCmd,gtar tar,tar)
674
675 dnl ** check for gzip/compress
676 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
677
678 dnl ** check for jade/openjade & determine a working catalog
679 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
680 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
681                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
682 if test -z "$Catalog"; then
683   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
684 fi
685 case $Catalog in
686    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
687         Catalog=
688         ;;
689    glafp*) 
690         case $HostOS_CPP in
691            mingw32)
692               Catalog=`cygpath -w $hardtop/$Catalog`
693               ;;
694            *) Catalog=$hardtop/$Catalog
695               ;;
696         esac
697    ;;
698 esac   
699 AC_SUBST(Catalog)
700
701 compress_nm=`basename $CompressCmd`
702 if test x"$compress_nm" = xgzip; then
703   CompressCmd="$CompressCmd -d"
704   CompressSuffix="gz"
705 else
706   CompressSuffix="Z"
707 fi
708 AC_SUBST(CompressCmd)
709 AC_SUBST(CompressSuffix)
710
711 dnl ** check for ghc-pkg command
712 changequote(, )dnl
713 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
714 changequote([, ])dnl
715 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
716    GhcPkgCmd=$ghc_pkg_guess
717    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
718 else
719    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
720 fi
721
722 AC_ARG_WITH(greencard,
723 [  --with-greencard=<greencard compiler>
724         Use a command different from 'green-card' to compile GreenCard files
725 ],
726 [
727 GreencardCmd=$withval;
728 FPTOOLS_GREENCARD(3.00)
729 ]
730 )
731
732 AC_ARG_ENABLE(src-tree-happy,
733 [  --enable-src-tree-happy
734         Build and use source tree (fptools/happy) version of Happy.
735 ],
736 [UseSrcTreeHappy=YES],
737 [UseSrcTreeHappy=NO]
738 )
739 dnl ** check for installed happy binary + version
740 dnl    (don't do it if we're booting from .hc files though.)
741 if test "$BootingFromHc" = "NO"; then
742 FPTOOLS_HAPPY
743 fi;
744
745 AC_ARG_ENABLE(src-tree-haddock,
746 [  --enable-src-tree-haddock
747         Build and use source tree (fptools/haddock) version of Haddock.
748 ],
749 [UseSrcTreeHaddock=YES],
750 [UseSrcTreeHaddock=NO]
751 )
752 dnl ** check for installed haddock
753 FPTOOLS_HADDOCK
754
755 AC_ARG_ENABLE(src-tree-alex,
756 [  --enable-src-tree-alex
757         Build and use source tree (fptools/alex) version of Alex.
758 ],
759 [UseSrcTreeAlex=YES],
760 [UseSrcTreeAlex=NO]
761 )
762 dnl ** check for installed alex binary + version
763 dnl    (don't do it if we're booting from .hc files though.)
764 if test "$BootingFromHc" = "NO"; then
765 FPTOOLS_ALEX
766 fi;
767
768 dnl --------------------------------------------------
769 dnl ### program checking section ends here ###
770 dnl --------------------------------------------------
771
772 dnl --------------------------------------------------
773 dnl * Platform header file and syscall feature tests
774 dnl ### checking the state of the local header files and syscalls ###
775
776 dnl ** check for full ANSI header (.h) files
777 AC_HEADER_STDC
778
779 dnl ** Enable large file support.  NB. do this before testing the type of
780 dnl    off_t, because it will affect the result of that test.
781 AC_SYS_LARGEFILE
782
783 dnl ** check for specific header (.h) files that we are interested in
784 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
785 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
786
787 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
788 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
789
790 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
791   HaveReadlineHeaders=YES
792   AC_DEFINE(HAVE_READLINE_HEADERS,1)
793 else
794   HaveReadlineHeaders=NO
795   AC_DEFINE(HAVE_READLINE_HEADERS,0)
796 fi
797 AC_SUBST(HaveReadlineHeaders)
798
799 dnl ** check for DOS include files
800 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
801
802 dnl ** check for Windows include files
803 AC_CHECK_HEADERS(windows.h)
804
805 dnl ** check for OpenGL include files
806 if test $UseQuartzOpenGL = YES ; then
807   AC_CHECK_HEADERS(OpenGL/gl.h)
808 else
809   AC_CHECK_HEADERS(GL/gl.h)
810 fi
811
812 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
813 AC_HEADER_TIME
814
815 dnl dynamic loading include files
816 AC_CHECK_HEADERS(dlfcn.h dl.h) 
817
818 dnl ** check for farcalloc (in bcc)
819 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
820
821 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
822 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
823
824 dnl ** check for POSIX regex
825 HavePosixRegex=NO
826 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
827 AC_SUBST(HavePosixRegex)
828
829 dnl ** how do we get a timezone name, and UTC offset ?
830 AC_STRUCT_TIMEZONE
831
832 dnl ** what's the type of timezone?
833 FPTOOLS_HAVE_TIMEZONE
834 FPTOOLS_TYPE_TIMEZONE
835
836 dnl ** do we have altzone?
837 FPTOOLS_ALTZONE
838
839 dnl ** does struct stat contain st_blksize?
840 AC_STRUCT_ST_BLKSIZE
841
842 dnl ** do we have long longs?
843 FPTOOLS_C_LONG_LONG
844
845 dnl ** check what fields struct msghdr contains
846 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
847 FPTOOLS_MSGHDR_MSG_CONTROL
848
849 dnl ** what are the sizes of various types
850 dnl    (these must come before GHC_CHECK_ALIGNMENT)
851 AC_CHECK_SIZEOF(char,               1)
852 AC_CHECK_SIZEOF(double,             8)
853 AC_CHECK_SIZEOF(float,              4)
854 AC_CHECK_SIZEOF(int,                4)
855 AC_CHECK_SIZEOF(long,               4)
856 if test "$fptools_cv_have_long_long" = yes; then
857 AC_CHECK_SIZEOF(long long,          8)
858 fi
859 AC_CHECK_SIZEOF(short,              2)
860 AC_CHECK_SIZEOF(unsigned char,      1)
861 AC_CHECK_SIZEOF(unsigned int,       4)
862 AC_CHECK_SIZEOF(unsigned long,      4)
863 if test "$fptools_cv_have_long_long" = yes; then
864 AC_CHECK_SIZEOF(unsigned long long, 8)
865 fi
866 AC_CHECK_SIZEOF(unsigned short,     2)
867 AC_CHECK_SIZEOF(void *,             4)
868
869 dnl ** what are alignment constraints on various types
870 FPTOOLS_CHECK_ALIGNMENT(char)
871 FPTOOLS_CHECK_ALIGNMENT(double)
872 FPTOOLS_CHECK_ALIGNMENT(float)
873 FPTOOLS_CHECK_ALIGNMENT(int)
874 FPTOOLS_CHECK_ALIGNMENT(long)
875 if test "$fptools_cv_have_long_long" = yes; then
876 FPTOOLS_CHECK_ALIGNMENT(long long)
877 fi
878 FPTOOLS_CHECK_ALIGNMENT(short)
879 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
880 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
881 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
882 if test "$fptools_cv_have_long_long" = yes; then
883 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
884 fi
885 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
886 FPTOOLS_CHECK_ALIGNMENT(void *)
887
888 dnl ** map standard C types and ISO types to Haskell types
889 FPTOOLS_CHECK_HTYPE(char)
890 FPTOOLS_CHECK_HTYPE(signed char)
891 FPTOOLS_CHECK_HTYPE(unsigned char)
892 FPTOOLS_CHECK_HTYPE(short)
893 FPTOOLS_CHECK_HTYPE(unsigned short)
894 FPTOOLS_CHECK_HTYPE(int)
895 FPTOOLS_CHECK_HTYPE(unsigned int)
896 FPTOOLS_CHECK_HTYPE(long)
897 FPTOOLS_CHECK_HTYPE(unsigned long)
898 if test "$fptools_cv_have_long_long" = yes; then
899 FPTOOLS_CHECK_HTYPE(long long)
900 FPTOOLS_CHECK_HTYPE(unsigned long long)
901 fi
902 FPTOOLS_CHECK_HTYPE(float)
903 FPTOOLS_CHECK_HTYPE(double)
904 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
905 FPTOOLS_CHECK_HTYPE(size_t)
906 FPTOOLS_CHECK_HTYPE(wchar_t)
907 dnl Int32 is a HACK for non-ISO C compilers
908 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
909 FPTOOLS_CHECK_HTYPE(clock_t)
910 FPTOOLS_CHECK_HTYPE(time_t)
911 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
912 FPTOOLS_CHECK_HTYPE(ino_t)
913 FPTOOLS_CHECK_HTYPE(mode_t)
914 FPTOOLS_CHECK_HTYPE(off_t)
915 FPTOOLS_CHECK_HTYPE(pid_t)
916 FPTOOLS_CHECK_HTYPE(gid_t)
917 FPTOOLS_CHECK_HTYPE(uid_t)
918 FPTOOLS_CHECK_HTYPE(cc_t)
919 FPTOOLS_CHECK_HTYPE(speed_t)
920 FPTOOLS_CHECK_HTYPE(tcflag_t)
921 FPTOOLS_CHECK_HTYPE(blkcnt_t)
922 FPTOOLS_CHECK_HTYPE(nlink_t)
923 FPTOOLS_CHECK_HTYPE(ssize_t)
924 FPTOOLS_CHECK_HTYPE(rlim_t)
925
926 dnl ** Map OpenGL data types to Haskell types
927 if test $GhcLibsWithHOpenGL = YES ; then
928 FPTOOLS_CHECK_HTYPE(GLboolean)
929 FPTOOLS_CHECK_HTYPE(GLbyte)
930 FPTOOLS_CHECK_HTYPE(GLubyte)
931 FPTOOLS_CHECK_HTYPE(GLshort)
932 FPTOOLS_CHECK_HTYPE(GLushort)
933 FPTOOLS_CHECK_HTYPE(GLint)
934 FPTOOLS_CHECK_HTYPE(GLuint)
935 FPTOOLS_CHECK_HTYPE(GLsizei)
936 FPTOOLS_CHECK_HTYPE(GLenum)
937 FPTOOLS_CHECK_HTYPE(GLbitfield)
938 FPTOOLS_CHECK_HTYPE(GLfloat)
939 FPTOOLS_CHECK_HTYPE(GLclampf)
940 FPTOOLS_CHECK_HTYPE(GLdouble)
941 FPTOOLS_CHECK_HTYPE(GLclampd)
942 fi
943
944 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
945
946 dnl ** can we open files in binary mode?
947 FPTOOLS_O_BINARY
948
949 dnl ** check for GetModuleFileName and WinExec (windows only)
950 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
951 dnl Doesn't work because the linker can't see the functions if
952 dnl you omit the #include <windows.h>.  (I've no idea why not...)
953
954 FPTOOLS_TRY_LINK_NOWARN(,[
955 #if HAVE_WINDOWS_H
956 #include <windows.h>
957 #endif
958 main() { 
959   WinExec("",0);
960   exit(0);
961 }
962 ],
963 [have_winexec=1],
964 [have_winexec=0])
965 if test "$have_winexec" = "1"; then
966 AC_DEFINE(HAVE_WINEXEC)
967 fi
968
969 FPTOOLS_TRY_LINK_NOWARN(,[
970 #if HAVE_WINDOWS_H
971 #include <windows.h>
972 #endif
973 main() { 
974   char* dir;
975   GetModuleFileName((HMODULE)0,dir,0);
976   exit(0);
977 }
978 ],
979 [have_getmodulefilename=1],
980 [have_getmodulefilename=0])
981 if test "$have_getmodulefilename" = "1"; then
982 AC_DEFINE(HAVE_GETMODULEFILENAME)
983 fi
984
985 dnl ** check return type of signal handlers
986 dnl Foo: assumes we can use prototypes.
987 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
988 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
989 dnl [AC_TRY_COMPILE([#include <sys/types.h>
990 dnl #include <signal.h>
991 dnl #ifdef signal
992 dnl #undef signal
993 dnl #endif
994 dnl void (*signal (int, void (*)(int)))(int);
995 dnl ],
996 dnl [int i;], 
997 dnl ac_cv_type_signal_handler=void_int,
998 dnl ac_cv_type_signal_handler=int_void)])
999 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1000 dnl AC_DEFINE(VOID_INT_SIGNALS)
1001 dnl fi
1002
1003 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1004 AC_TYPE_SIGNAL
1005 if test "$ac_cv_type_signal" = void; then
1006 AC_DEFINE(VOID_INT_SIGNALS)
1007 fi
1008
1009 dnl ** check for more functions
1010 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1011 AC_CHECK_FUNCS(strcmp)
1012 AC_CHECK_FUNCS(realpath _fullpath)  
1013 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
1014 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1015 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1016 AC_CHECK_FUNCS(snprintf  _snprintf )  
1017 AC_CHECK_FUNCS(popen     _popen )  
1018 AC_CHECK_FUNCS(pclose    _pclose )  
1019 AC_CHECK_FUNCS(setenv unsetenv)
1020
1021
1022 dnl ** check for specific library functions that we are interested in
1023 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1024
1025 dnl ** Solaris2 needs additionl flag for getpw*_r()
1026 case "$TargetPlatform" in
1027   *-solaris2*)
1028     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1029     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1030   ;;
1031 esac
1032
1033 dnl ** check whether this machine has gmp3 installed
1034 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1035   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1036     HaveLibGmp=NO; LibGmp=not-installed))
1037 AC_SUBST(HaveLibGmp)
1038 AC_SUBST(LibGmp)
1039
1040 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1041 HaveFrameworkHaskellSupport=NO
1042 if test $HostPlatform = "powerpc-apple-darwin"; then
1043  AC_MSG_CHECKING([for HaskellSupport.framework])
1044  save_libs="$LIBS"
1045  LIBS="-framework HaskellSupport"
1046  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1047  if test $HaveFrameworkHaskellSupport = YES; then
1048   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1049  fi;
1050  LIBS="$save_libs"
1051  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1052 fi;
1053 AC_SUBST(HaveFrameworkHaskellSupport)
1054
1055 dnl ** check for mingwex library
1056 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1057 AC_SUBST(HaveLibMingwEx)
1058
1059 if test $HaveLibMingwEx = YES ; then
1060   AC_DEFINE(HAVE_MINGWEX)
1061 fi
1062
1063 if test "$HaveLibGmp" = "NO"; then
1064 if test "$HostArch_CPP" = "ia64"; then
1065 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1066 fi;
1067 fi;
1068
1069 dnl ** check whether this machine has GNU regex in libc.
1070 FPTOOLS_REGEX_IN_LIBC
1071
1072 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1073 dnl    the order of these tests matters: bfd needs liberty
1074 AC_CHECK_LIB(iberty, xmalloc)
1075 AC_CHECK_LIB(bfd,    bfd_init)
1076
1077 dnl ** check for readline, for Hugs and hslibs' Readline
1078 dnl ncurses supersedes termcap and curses, but for compatibility,
1079 dnl we have to check for all...
1080 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1081   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1082     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1083       HaveLibTermcap=NO; LibTermcap=not-installed)))
1084
1085 if test $HaveLibTermcap = YES ; then
1086   LIBS="-l$LibTermcap $LIBS"
1087   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1088 fi
1089
1090 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1091   AC_DEFINE(HAVE_READLINE_LIBS,1)
1092   LibsReadline="readline $LibTermcap"
1093 else
1094   AC_DEFINE(HAVE_READLINE_LIBS,0)
1095   LibsReadline=
1096 fi
1097 AC_SUBST(LibsReadline)
1098
1099 if test "$HaveLibReadline"; then
1100   AC_CHECK_LIB(readline, rl_erase_empty_line,
1101     [AC_DEFINE(HAVE_READLINE_4, 1)],
1102     [AC_DEFINE(HAVE_READLINE_4, 0)])
1103   AC_CHECK_LIB(readline, rl_free_undo_list,
1104     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1105     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1106 else
1107   AC_DEFINE(HAVE_READLINE_4, 0)
1108   AC_DEFINE(HAVE_READLINE_4_2, 0)
1109 fi
1110
1111 dnl ** check for math library
1112 FPTOOLS_CHECK_LIBM()
1113 AC_SUBST(LIBM)
1114
1115 dnl ** check for X Window System
1116 AC_PATH_XTRA()
1117
1118 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1119 if test $GhcLibsWithHOpenGL = YES ; then
1120   if test $UseQuartzOpenGL = YES ; then
1121     dnl Take a shortcut for Mac OS X native OpenGL:
1122     dnl It's in a non-standard location, but it's always there
1123     GL_CFLAGS=
1124         GL_LIBS=
1125         GLUT_LIBS=
1126         AC_SUBST(GL_CFLAGS)
1127         AC_SUBST(GL_LIBS)
1128         AC_SUBST(GLUT_LIBS)
1129   else
1130     FPTOOLS_HAVE_OPENGL
1131   fi
1132 fi
1133
1134 dnl ################################################################
1135 dnl Check for libraries
1136 dnl ################################################################
1137
1138 dnl ** check for libdl & RTLD_NEXT
1139
1140 dnl (Mac OS X only) ... but don't check if we already have the
1141 dnl HaskellSupport.framework
1142
1143 if test $HaveFrameworkHaskellSupport = YES; then
1144     HaveLibDL=NO
1145     HaveRtldNext=NO
1146     HaveRtldLocal=YES
1147     AC_DEFINE(HAVE_RTLDLOCAL)
1148     HaveRtldGlobal=YES
1149     AC_DEFINE(HAVE_RTLDGLOBAL)
1150     HaveRtldNow=YES
1151     AC_DEFINE(HAVE_RTLDNOW)
1152     AC_SUBST(HaveLibDL)
1153     AC_SUBST(HaveRtldNext)
1154     AC_SUBST(HaveRtldLocal)
1155     AC_SUBST(HaveRtldGlobal)
1156     AC_SUBST(HaveRtldNow)
1157 else
1158     AC_CHECK_LIB(dl, dlopen, 
1159         [HaveLibDL=YES
1160          AC_DEFINE(HAVE_LIBDL)
1161          LIBS="$LIBS -ldl"], 
1162         [HaveLibDL=NO])
1163     AC_CHECK_FUNCS(dlopen)
1164     AC_SUBST(HaveLibDL)
1165
1166     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1167     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1168     AC_EGREP_CPP(yes,
1169     [
1170      #include <dlfcn.h>
1171      #ifdef RTLD_NEXT
1172             yes
1173      #endif
1174     ], [
1175       AC_MSG_RESULT(yes)
1176       AC_DEFINE(HAVE_RTLDNEXT)
1177       HaveRtldNext=YES
1178     ], [
1179       AC_MSG_RESULT(no)
1180       HaveRtldNext=NO
1181       ])    
1182     AC_SUBST(HaveRtldNext)
1183
1184     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1185     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1186     AC_EGREP_CPP(yes,
1187     [
1188      #include <dlfcn.h>
1189      #ifdef RTLD_LOCAL
1190             yes
1191      #endif
1192     ], [
1193       AC_MSG_RESULT(yes)
1194       AC_DEFINE(HAVE_RTLDLOCAL)
1195       HaveRtldLocal=YES
1196     ], [
1197       AC_MSG_RESULT(no)
1198       HaveRtldLocal=NO
1199       ])    
1200     AC_SUBST(HaveRtldLocal)
1201
1202     dnl ** RTLD_GLOBAL isn't available on openbsd
1203     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1204     AC_EGREP_CPP(yes,
1205     [
1206      #include <dlfcn.h>
1207      #ifdef RTLD_GLOBAL
1208             yes
1209      #endif
1210     ], [
1211       AC_MSG_RESULT(yes)
1212       AC_DEFINE(HAVE_RTLDGLOBAL)
1213       HaveRtldGlobal=YES
1214     ], [
1215       AC_MSG_RESULT(no)
1216       HaveRtldGlobal=NO
1217       ])    
1218     AC_SUBST(HaveRtldGlobal)
1219
1220     dnl ** RTLD_NOW isn't available on openbsd
1221     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1222     AC_EGREP_CPP(yes,
1223     [
1224      #include <dlfcn.h>
1225      #ifdef RTLD_NOW
1226             yes
1227      #endif
1228     ], [
1229       AC_MSG_RESULT(yes)
1230       AC_DEFINE(HAVE_RTLDNOW)
1231       HaveRtldNow=YES
1232     ], [
1233       AC_MSG_RESULT(no)
1234       HaveRtldNow=NO
1235       ])    
1236     AC_SUBST(HaveRtldNow)
1237 fi
1238
1239 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1240
1241 dnl ---------- usleep ----------
1242 dnl --- stolen from guile configure ---
1243 dnl --- FIXME: /usr/include/unistd.h can't be right?
1244
1245 ### On some systems usleep has no return value.  If it does have one,
1246 ### we'd like to return it; otherwise, we'll fake it.
1247 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1248   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1249                    /usr/include/unistd.h,
1250                    [cv_func_usleep_return_type=void],
1251                    [cv_func_usleep_return_type=int])])
1252 case "$cv_func_usleep_return_type" in
1253   "void" )
1254     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1255       [Define if the system headers declare usleep to return void.])
1256   ;;
1257 esac
1258
1259 dnl --------------------------------------------------
1260 dnl * test for in_addr_t
1261 dnl --------------------------------------------------
1262 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1263 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1264  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1265  AC_MSG_RESULT(no))
1266
1267 dnl --------------------------------------------------
1268 dnl * test for Linux sendfile(2)
1269 dnl --------------------------------------------------
1270 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1271 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1272  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1273  AC_MSG_RESULT(no))
1274
1275 dnl --------------------------------------------------
1276 dnl * test for BSD sendfile(2)
1277 dnl --------------------------------------------------
1278 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1279 AC_EGREP_HEADER(sendfile, sys/socket.h,
1280  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1281  AC_MSG_RESULT(no))
1282
1283 dnl --------------------------------------------------
1284 dnl * test for GTK+
1285 dnl --------------------------------------------------
1286
1287 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1288 if test "$GTK_CONFIG" != ""; then
1289    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1290         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1291     ])
1292     GTK_VERSION=$fptools_cv_gtk_version
1293 else
1294     GTK_VERSION=
1295 fi
1296
1297 case $fptools_cv_gtk_version in
1298   1.[[23]].*) ;;
1299   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1300      GTK_CONFIG=
1301      ;;
1302 esac
1303
1304 AC_SUBST(GTK_CONFIG)
1305 AC_SUBST(GTK_VERSION)
1306
1307 dnl --------------------------------------------------
1308 dnl * Miscellaneous feature tests
1309 dnl --------------------------------------------------
1310
1311 dnl ** can we get alloca?
1312 AC_FUNC_ALLOCA
1313
1314 dnl ** Working vfork?
1315 AC_FUNC_VFORK
1316
1317 dnl ** determine whether or not const works
1318 AC_C_CONST
1319
1320 dnl ** determine whether ANSI-function prototypes work?
1321 AC_C_PROTOTYPES          
1322
1323 dnl ** are we big endian?
1324 AC_C_BIGENDIAN
1325
1326 dnl ** check for leading underscores in symbol names
1327 FPTOOLS_UNDERSCORE
1328
1329 dnl ** check for ld, and whether ld has -x option
1330 AC_PATH_PROG(LdCmdRaw, ld)
1331 case $HostOS_CPP in
1332  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1333            ;;
1334  *) LdCmd=${LdCmdRaw}
1335     ;;
1336 esac
1337 AC_SUBST(LdCmd)
1338 FPTOOLS_LD_X
1339
1340 AC_MSG_CHECKING([for SIGPOLL])
1341 AC_EGREP_CPP(we_have_sigpoll,
1342 [#include <signal.h>
1343 #ifdef SIGPOLL
1344 we_have_sigpoll
1345 #endif
1346 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1347 AC_MSG_RESULT([$haveSIGPOLL])
1348
1349 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1350 AC_EGREP_CPP(we_have_that_sysconf_thing,
1351 [
1352 #include <unistd.h>
1353 #ifdef _SC_GETGR_R_SIZE_MAX
1354 we_have_that_sysconf_thing
1355 #endif
1356 ],
1357 [AC_MSG_RESULT([yes])
1358 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1359 [AC_MSG_RESULT([no])])
1360
1361 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1362 AC_EGREP_CPP(we_have_that_sysconf_thing,
1363 [
1364 #include <unistd.h>
1365 #ifdef _SC_GETPW_R_SIZE_MAX
1366 we_have_that_sysconf_thing
1367 #endif
1368 ],
1369 [AC_MSG_RESULT([yes])
1370 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1371 [AC_MSG_RESULT([no])])
1372
1373 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )