[project @ 2003-07-30 09:20:41 by wolfgang]
[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 AC_ARG_ENABLE(win32-dlls,
500 [  --enable-win32-dlls
501         If on a Win32 platform running mingw32/cygwin, enable the
502         construction of DLLs containing ghc-compiled code.
503 ],
504 [
505 case $HostOS_CPP in
506 cygwin32) ;;
507 mingw32)  ;;
508 *)    echo "Unrecognised win32 platform: $HostPlatform"
509       exit 1
510       ;;
511 esac
512 EnableWin32DLLs=YES
513 ],
514 [EnableWin32DLLs=NO]
515 )
516 AC_SUBST(EnableWin32DLLs)
517 if test x"$EnableWin32DLLs" = "xYES" ; then
518  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
519 fi
520
521 dnl ** Enable the building of the ObjectIO?
522 dnl --------------------------------------------------------------
523 AC_ARG_ENABLE(objectio,
524 [  --enable-objectio
525         Build ObjectIO, a portable GUI library for Haskell.
526 ],
527 [GhcLibsWithObjectIO=YES],
528 [GhcLibsWithObjectIO=NO]
529 )
530 AC_SUBST(GhcLibsWithObjectIO)
531
532 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
533 dnl --------------------------------------------------------------
534 AC_ARG_ENABLE(hopengl,
535 [  --enable-hopengl
536         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
537         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
538         of the "native" libraries.
539 ],
540 [GhcLibsWithHOpenGL=YES],
541 [GhcLibsWithHOpenGL=NO]
542 )
543 UseQuartzOpenGL=NO
544 if test x"$TargetOS_CPP" = x"darwin"; then
545   if test x"$enable_hopengl" != x"x11"; then
546     AC_DEFINE(USE_QUARTZ_OPENGL)
547     UseQuartzOpenGL=YES
548   fi
549 fi
550
551 AC_SUBST(GhcLibsWithHOpenGL)
552
553 dnl ** .NET interop support?
554 dnl --------------------------------------------------------------
555 AC_ARG_ENABLE(dotnet,
556 [  --enable-dotnet
557         Build .NET interop layer.
558 ],
559 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
560 [DotnetSupport=NO]
561 )
562 AC_SUBST(DotnetSupport)
563
564 dnl --------------------------------------------------------------
565 dnl End of configure script option section
566 dnl --------------------------------------------------------------
567
568
569 dnl --------------------------------------------------------------
570 dnl * General configuration checks
571 dnl --------------------------------------------------------------
572
573 dnl ** does #! work?
574 AC_SYS_INTERPRETER()
575
576 dnl ** look for `perl', but only in /bin on Windows
577 case $HostOS_CPP in
578 cygwin32|mingw32)
579       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
580       if test -z "$PerlCmd"; then
581          echo "You must install the version of Perl shipped with GHC"
582          echo "(or a compatible one) in /bin."
583          exit 1
584       fi
585    ;;
586 *)
587    AC_PATH_PROG(PerlCmd,perl)
588    if test -z "$PerlCmd"; then
589       echo "You must install perl before you can continue"
590       echo "Perhaps it is already installed, but not in your PATH?"
591       exit 1
592    else
593    FPTOOLS_CHECK_PERL_VERSION
594    fi
595    ;;
596 esac
597
598 dnl ** does #! path/to/perl work? (sometimes it's too long...)
599 FPTOOLS_SHEBANG_PERL
600
601 dnl ** check for Python
602 AC_PATH_PROG(PythonCmd,python)
603
604 dnl ** look for GCC and find out which version
605 dnl     Figure out which C compiler to use.  Gcc is preferred.
606 dnl     If gcc, make sure it's at least 2.1
607 dnl
608 AC_PROG_CC
609 FPTOOLS_HAVE_GCC
610 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
611
612 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
613 AC_PROG_CPP
614
615 dnl ** Without optimization some INLINE trickery fails for GHCi
616 SRC_CC_OPTS="-O"
617
618 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
619 if test x"$TargetOS_CPP" = x"mingw32"; then
620   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
621   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
622   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
623 fi
624 AC_SUBST(SRC_CC_OPTS)
625
626 dnl ** figure out how to do context diffs
627 FPTOOLS_PROG_DIFF
628
629 dnl ** Find find command (for Win32's benefit)
630 FPTOOLS_FIND_FIND
631
632 dnl ** look for a decent parser generator (bison preferred)
633 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
634 dnl  on the suitability of the 'yacc' returned.)
635 FPTOOLS_PROG_YACCY
636
637 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
638 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
639 dnl    exists if 'flex' doesn't.
640 AC_PROG_LEX_STRICT
641
642 dnl ** figure out how to do a BSD-ish install
643 AC_PROG_INSTALL
644
645 dnl If you can run configure, you certainly have /bin/sh
646 AC_DEFINE(HAVE_BIN_SH)
647
648 dnl ** how to invoke `ar' and `ranlib'
649 FPTOOLS_PROG_AR_AND_RANLIB
650
651 dnl ** Check to see whether ln -s works
652 AC_PROG_LN_S
653
654
655 dnl ** Find the path to sed
656 AC_PATH_PROG(SedCmd,sed)
657
658
659 dnl ** check for time command
660 AC_PATH_PROG(TimeCmd,time)
661
662 dnl ** check for tar
663 dnl   if GNU tar is named gtar, look for it first.
664 AC_PATH_PROGS(TarCmd,gtar tar,tar)
665
666 dnl ** check for gzip/compress
667 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
668
669 dnl ** check for jade/openjade & determine a working catalog
670 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
671 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
672                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
673 if test -z "$Catalog"; then
674   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
675 fi
676 case $Catalog in
677    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
678         Catalog=
679         ;;
680    glafp*) 
681         case $HostOS_CPP in
682            mingw32)
683               Catalog=`cygpath -w $hardtop/$Catalog`
684               ;;
685            *) Catalog=$hardtop/$Catalog
686               ;;
687         esac
688    ;;
689 esac   
690 AC_SUBST(Catalog)
691
692 compress_nm=`basename $CompressCmd`
693 if test x"$compress_nm" = xgzip; then
694   CompressCmd="$CompressCmd -d"
695   CompressSuffix="gz"
696 else
697   CompressSuffix="Z"
698 fi
699 AC_SUBST(CompressCmd)
700 AC_SUBST(CompressSuffix)
701
702 dnl ** check for ghc-pkg command
703 changequote(, )dnl
704 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
705 changequote([, ])dnl
706 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
707    GhcPkgCmd=$ghc_pkg_guess
708    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
709 else
710    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
711 fi
712
713 AC_ARG_WITH(greencard,
714 [  --with-greencard=<greencard compiler>
715         Use a command different from 'green-card' to compile GreenCard files
716 ],
717 [
718 GreencardCmd=$withval;
719 FPTOOLS_GREENCARD(3.00)
720 ]
721 )
722
723 AC_ARG_ENABLE(src-tree-happy,
724 [  --enable-src-tree-happy
725         Build and use source tree (fptools/happy) version of happy.
726 ],
727 [UseSrcTreeHappy=YES],
728 [UseSrcTreeHappy=NO]
729 )
730 dnl ** check for installed happy binary + version
731 dnl    (don't do it if we're booting from .hc files though.)
732 if test "$BootingFromHc" = "NO"; then
733 FPTOOLS_HAPPY
734 fi;
735
736 AC_ARG_ENABLE(src-tree-haddock,
737 [  --enable-src-tree-haddock
738         Build and use source tree (fptools/haddock) version of haddock.
739 ],
740 [UseSrcTreeHaddock=YES],
741 [UseSrcTreeHaddock=NO]
742 )
743 dnl ** check for installed haddock
744 FPTOOLS_HADDOCK
745
746 dnl --------------------------------------------------
747 dnl ### program checking section ends here ###
748 dnl --------------------------------------------------
749
750 dnl --------------------------------------------------
751 dnl * Platform header file and syscall feature tests
752 dnl ### checking the state of the local header files and syscalls ###
753
754 dnl ** check for full ANSI header (.h) files
755 AC_HEADER_STDC
756
757 dnl ** Enable large file support.  NB. do this before testing the type of
758 dnl    off_t, because it will affect the result of that test.
759 AC_SYS_LARGEFILE
760
761 dnl ** check for specific header (.h) files that we are interested in
762 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)
763 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
764
765 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
766 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
767
768 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
769   HaveReadlineHeaders=YES
770   AC_DEFINE(HAVE_READLINE_HEADERS,1)
771 else
772   HaveReadlineHeaders=NO
773   AC_DEFINE(HAVE_READLINE_HEADERS,0)
774 fi
775 AC_SUBST(HaveReadlineHeaders)
776
777 dnl ** check for DOS include files
778 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
779
780 dnl ** check for Windows include files
781 AC_CHECK_HEADERS(windows.h)
782
783 dnl ** check for OpenGL include files
784 if test $UseQuartzOpenGL = YES ; then
785   AC_CHECK_HEADERS(OpenGL/gl.h)
786 else
787   AC_CHECK_HEADERS(GL/gl.h)
788 fi
789
790 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
791 AC_HEADER_TIME
792
793 dnl dynamic loading include files
794 AC_CHECK_HEADERS(dlfcn.h dl.h) 
795
796 dnl ** check for farcalloc (in bcc)
797 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
798
799 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
800 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
801
802 dnl ** check for POSIX regex
803 HavePosixRegex=NO
804 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
805 AC_SUBST(HavePosixRegex)
806
807 dnl ** how do we get a timezone name, and UTC offset ?
808 AC_STRUCT_TIMEZONE
809
810 dnl ** what's the type of timezone?
811 FPTOOLS_HAVE_TIMEZONE
812 FPTOOLS_TYPE_TIMEZONE
813
814 dnl ** do we have altzone?
815 FPTOOLS_ALTZONE
816
817 dnl ** does struct stat contain st_blksize?
818 AC_STRUCT_ST_BLKSIZE
819
820 dnl ** do we have long longs?
821 FPTOOLS_C_LONG_LONG
822
823 dnl ** check what fields struct msghdr contains
824 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
825 FPTOOLS_MSGHDR_MSG_CONTROL
826
827 dnl ** what are the sizes of various types
828 dnl    (these must come before GHC_CHECK_ALIGNMENT)
829 AC_CHECK_SIZEOF(char,               1)
830 AC_CHECK_SIZEOF(double,             8)
831 AC_CHECK_SIZEOF(float,              4)
832 AC_CHECK_SIZEOF(int,                4)
833 AC_CHECK_SIZEOF(long,               4)
834 if test "$fptools_cv_have_long_long" = yes; then
835 AC_CHECK_SIZEOF(long long,          8)
836 fi
837 AC_CHECK_SIZEOF(short,              2)
838 AC_CHECK_SIZEOF(unsigned char,      1)
839 AC_CHECK_SIZEOF(unsigned int,       4)
840 AC_CHECK_SIZEOF(unsigned long,      4)
841 if test "$fptools_cv_have_long_long" = yes; then
842 AC_CHECK_SIZEOF(unsigned long long, 8)
843 fi
844 AC_CHECK_SIZEOF(unsigned short,     2)
845 AC_CHECK_SIZEOF(void *,             4)
846
847 dnl ** what are alignment constraints on various types
848 FPTOOLS_CHECK_ALIGNMENT(char)
849 FPTOOLS_CHECK_ALIGNMENT(double)
850 FPTOOLS_CHECK_ALIGNMENT(float)
851 FPTOOLS_CHECK_ALIGNMENT(int)
852 FPTOOLS_CHECK_ALIGNMENT(long)
853 if test "$fptools_cv_have_long_long" = yes; then
854 FPTOOLS_CHECK_ALIGNMENT(long long)
855 fi
856 FPTOOLS_CHECK_ALIGNMENT(short)
857 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
858 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
859 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
860 if test "$fptools_cv_have_long_long" = yes; then
861 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
862 fi
863 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
864 FPTOOLS_CHECK_ALIGNMENT(void *)
865
866 dnl ** map standard C types and ISO types to Haskell types
867 FPTOOLS_CHECK_HTYPE(char)
868 FPTOOLS_CHECK_HTYPE(signed char)
869 FPTOOLS_CHECK_HTYPE(unsigned char)
870 FPTOOLS_CHECK_HTYPE(short)
871 FPTOOLS_CHECK_HTYPE(unsigned short)
872 FPTOOLS_CHECK_HTYPE(int)
873 FPTOOLS_CHECK_HTYPE(unsigned int)
874 FPTOOLS_CHECK_HTYPE(long)
875 FPTOOLS_CHECK_HTYPE(unsigned long)
876 if test "$fptools_cv_have_long_long" = yes; then
877 FPTOOLS_CHECK_HTYPE(long long)
878 FPTOOLS_CHECK_HTYPE(unsigned long long)
879 fi
880 FPTOOLS_CHECK_HTYPE(float)
881 FPTOOLS_CHECK_HTYPE(double)
882 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
883 FPTOOLS_CHECK_HTYPE(size_t)
884 FPTOOLS_CHECK_HTYPE(wchar_t)
885 dnl Int32 is a HACK for non-ISO C compilers
886 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
887 FPTOOLS_CHECK_HTYPE(clock_t)
888 FPTOOLS_CHECK_HTYPE(time_t)
889 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
890 FPTOOLS_CHECK_HTYPE(ino_t)
891 FPTOOLS_CHECK_HTYPE(mode_t)
892 FPTOOLS_CHECK_HTYPE(off_t)
893 FPTOOLS_CHECK_HTYPE(pid_t)
894 FPTOOLS_CHECK_HTYPE(gid_t)
895 FPTOOLS_CHECK_HTYPE(uid_t)
896 FPTOOLS_CHECK_HTYPE(cc_t)
897 FPTOOLS_CHECK_HTYPE(speed_t)
898 FPTOOLS_CHECK_HTYPE(tcflag_t)
899 FPTOOLS_CHECK_HTYPE(blkcnt_t)
900 FPTOOLS_CHECK_HTYPE(nlink_t)
901 FPTOOLS_CHECK_HTYPE(ssize_t)
902 FPTOOLS_CHECK_HTYPE(rlim_t)
903
904 dnl ** Map OpenGL data types to Haskell types
905 if test $GhcLibsWithHOpenGL = YES ; then
906 FPTOOLS_CHECK_HTYPE(GLboolean)
907 FPTOOLS_CHECK_HTYPE(GLbyte)
908 FPTOOLS_CHECK_HTYPE(GLubyte)
909 FPTOOLS_CHECK_HTYPE(GLshort)
910 FPTOOLS_CHECK_HTYPE(GLushort)
911 FPTOOLS_CHECK_HTYPE(GLint)
912 FPTOOLS_CHECK_HTYPE(GLuint)
913 FPTOOLS_CHECK_HTYPE(GLsizei)
914 FPTOOLS_CHECK_HTYPE(GLenum)
915 FPTOOLS_CHECK_HTYPE(GLbitfield)
916 FPTOOLS_CHECK_HTYPE(GLfloat)
917 FPTOOLS_CHECK_HTYPE(GLclampf)
918 FPTOOLS_CHECK_HTYPE(GLdouble)
919 FPTOOLS_CHECK_HTYPE(GLclampd)
920 fi
921
922 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
923
924 dnl ** can we open files in binary mode?
925 FPTOOLS_O_BINARY
926
927 dnl ** check for GetModuleFileName and WinExec (windows only)
928 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
929 dnl Doesn't work because the linker can't see the functions if
930 dnl you omit the #include <windows.h>.  (I've no idea why not...)
931
932 FPTOOLS_TRY_LINK_NOWARN(,[
933 #if HAVE_WINDOWS_H
934 #include <windows.h>
935 #endif
936 main() { 
937   WinExec("",0);
938   exit(0);
939 }
940 ],
941 [have_winexec=1],
942 [have_winexec=0])
943 if test "$have_winexec" = "1"; then
944 AC_DEFINE(HAVE_WINEXEC)
945 fi
946
947 FPTOOLS_TRY_LINK_NOWARN(,[
948 #if HAVE_WINDOWS_H
949 #include <windows.h>
950 #endif
951 main() { 
952   char* dir;
953   GetModuleFileName((HMODULE)0,dir,0);
954   exit(0);
955 }
956 ],
957 [have_getmodulefilename=1],
958 [have_getmodulefilename=0])
959 if test "$have_getmodulefilename" = "1"; then
960 AC_DEFINE(HAVE_GETMODULEFILENAME)
961 fi
962
963 dnl ** check return type of signal handlers
964 dnl Foo: assumes we can use prototypes.
965 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
966 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
967 dnl [AC_TRY_COMPILE([#include <sys/types.h>
968 dnl #include <signal.h>
969 dnl #ifdef signal
970 dnl #undef signal
971 dnl #endif
972 dnl void (*signal (int, void (*)(int)))(int);
973 dnl ],
974 dnl [int i;], 
975 dnl ac_cv_type_signal_handler=void_int,
976 dnl ac_cv_type_signal_handler=int_void)])
977 dnl if test "$ac_cv_type_signal_handler" = void_int; then
978 dnl AC_DEFINE(VOID_INT_SIGNALS)
979 dnl fi
980
981 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
982 AC_TYPE_SIGNAL
983 if test "$ac_cv_type_signal" = void; then
984 AC_DEFINE(VOID_INT_SIGNALS)
985 fi
986
987 dnl ** check for more functions
988 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
989 AC_CHECK_FUNCS(strcmp)
990 AC_CHECK_FUNCS(realpath _fullpath)  
991 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
992 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
993 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
994 AC_CHECK_FUNCS(snprintf  _snprintf )  
995 AC_CHECK_FUNCS(popen     _popen )  
996 AC_CHECK_FUNCS(pclose    _pclose )  
997 AC_CHECK_FUNCS(setenv unsetenv)
998
999
1000 dnl ** check for specific library functions that we are interested in
1001 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1002
1003 dnl ** Solaris2 needs additionl flag for getpw*_r()
1004 case "$TargetPlatform" in
1005   *-solaris2*)
1006     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1007     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1008   ;;
1009 esac
1010
1011 dnl ** check whether this machine has gmp3 installed
1012 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1013   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1014     HaveLibGmp=NO; LibGmp=not-installed))
1015 AC_SUBST(HaveLibGmp)
1016 AC_SUBST(LibGmp)
1017
1018 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1019 HaveFrameworkHaskellSupport=NO
1020 if test $HostPlatform = "powerpc-apple-darwin"; then
1021  AC_MSG_CHECKING([for HaskellSupport.framework])
1022  save_libs="$LIBS"
1023  LIBS="-framework HaskellSupport"
1024  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1025  if test $HaveFrameworkHaskellSupport = YES; then
1026   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1027  fi;
1028  LIBS="$save_libs"
1029  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1030 fi;
1031 AC_SUBST(HaveFrameworkHaskellSupport)
1032
1033 dnl ** check for mingwex library
1034 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1035 AC_SUBST(HaveLibMingwEx)
1036
1037 if test $HaveLibMingwEx = YES ; then
1038   AC_DEFINE(HAVE_MINGWEX)
1039 fi
1040
1041 if test "$HaveLibGmp" = "NO"; then
1042 if test "$HostArch_CPP" = "ia64"; then
1043 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1044 fi;
1045 fi;
1046
1047 dnl ** check whether this machine has GNU regex in libc.
1048 FPTOOLS_REGEX_IN_LIBC
1049
1050 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1051 dnl    the order of these tests matters: bfd needs liberty
1052 AC_CHECK_LIB(iberty, xmalloc)
1053 AC_CHECK_LIB(bfd,    bfd_init)
1054
1055 dnl ** check for readline, for Hugs and hslibs' Readline
1056 dnl ncurses supersedes termcap and curses, but for compatibility,
1057 dnl we have to check for all...
1058 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1059   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1060     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1061       HaveLibTermcap=NO; LibTermcap=not-installed)))
1062
1063 if test $HaveLibTermcap = YES ; then
1064   LIBS="-l$LibTermcap $LIBS"
1065   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1066 fi
1067
1068 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1069   AC_DEFINE(HAVE_READLINE_LIBS,1)
1070   LibsReadline="readline $LibTermcap"
1071 else
1072   AC_DEFINE(HAVE_READLINE_LIBS,0)
1073   LibsReadline=
1074 fi
1075 AC_SUBST(LibsReadline)
1076
1077 if test "$HaveLibReadline"; then
1078   AC_CHECK_LIB(readline, rl_erase_empty_line,
1079     [AC_DEFINE(HAVE_READLINE_4, 1)],
1080     [AC_DEFINE(HAVE_READLINE_4, 0)])
1081   AC_CHECK_LIB(readline, rl_free_undo_list,
1082     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1083     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1084 else
1085   AC_DEFINE(HAVE_READLINE_4, 0)
1086   AC_DEFINE(HAVE_READLINE_4_2, 0)
1087 fi
1088
1089 dnl ** check for math library
1090 FPTOOLS_CHECK_LIBM()
1091 AC_SUBST(LIBM)
1092
1093 dnl ** check for X Window System
1094 AC_PATH_XTRA()
1095
1096 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1097 if test $GhcLibsWithHOpenGL = YES ; then
1098   if test $UseQuartzOpenGL = YES ; then
1099     dnl Take a shortcut for Mac OS X native OpenGL:
1100     dnl It's in a non-standard location, but it's always there
1101     GL_CFLAGS=
1102         GL_LIBS=
1103         GLUT_LIBS=
1104         AC_SUBST(GL_CFLAGS)
1105         AC_SUBST(GL_LIBS)
1106         AC_SUBST(GLUT_LIBS)
1107   else
1108     FPTOOLS_HAVE_OPENGL
1109   fi
1110 fi
1111
1112 dnl ################################################################
1113 dnl Check for libraries
1114 dnl ################################################################
1115
1116 dnl ** check for libdl & RTLD_NEXT
1117
1118 dnl (Mac OS X only) ... but don't check if we already have the
1119 dnl HaskellSupport.framework
1120
1121 if test $HaveFrameworkHaskellSupport = YES; then
1122     HaveLibDL=NO
1123     HaveRtldNext=NO
1124     HaveRtldLocal=YES
1125     AC_DEFINE(HAVE_RTLDLOCAL)
1126     HaveRtldGlobal=YES
1127     AC_DEFINE(HAVE_RTLDGLOBAL)
1128     HaveRtldNow=YES
1129     AC_DEFINE(HAVE_RTLDNOW)
1130     AC_SUBST(HaveLibDL)
1131     AC_SUBST(HaveRtldNext)
1132     AC_SUBST(HaveRtldLocal)
1133     AC_SUBST(HaveRtldGlobal)
1134     AC_SUBST(HaveRtldNow)
1135 else
1136     AC_CHECK_LIB(dl, dlopen, 
1137         [HaveLibDL=YES
1138          AC_DEFINE(HAVE_LIBDL)
1139          LIBS="$LIBS -ldl"], 
1140         [HaveLibDL=NO])
1141     AC_CHECK_FUNCS(dlopen)
1142     AC_SUBST(HaveLibDL)
1143
1144     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1145     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1146     AC_EGREP_CPP(yes,
1147     [
1148      #include <dlfcn.h>
1149      #ifdef RTLD_NEXT
1150             yes
1151      #endif
1152     ], [
1153       AC_MSG_RESULT(yes)
1154       AC_DEFINE(HAVE_RTLDNEXT)
1155       HaveRtldNext=YES
1156     ], [
1157       AC_MSG_RESULT(no)
1158       HaveRtldNext=NO
1159       ])    
1160     AC_SUBST(HaveRtldNext)
1161
1162     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1163     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1164     AC_EGREP_CPP(yes,
1165     [
1166      #include <dlfcn.h>
1167      #ifdef RTLD_LOCAL
1168             yes
1169      #endif
1170     ], [
1171       AC_MSG_RESULT(yes)
1172       AC_DEFINE(HAVE_RTLDLOCAL)
1173       HaveRtldLocal=YES
1174     ], [
1175       AC_MSG_RESULT(no)
1176       HaveRtldLocal=NO
1177       ])    
1178     AC_SUBST(HaveRtldLocal)
1179
1180     dnl ** RTLD_GLOBAL isn't available on openbsd
1181     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1182     AC_EGREP_CPP(yes,
1183     [
1184      #include <dlfcn.h>
1185      #ifdef RTLD_GLOBAL
1186             yes
1187      #endif
1188     ], [
1189       AC_MSG_RESULT(yes)
1190       AC_DEFINE(HAVE_RTLDGLOBAL)
1191       HaveRtldGlobal=YES
1192     ], [
1193       AC_MSG_RESULT(no)
1194       HaveRtldGlobal=NO
1195       ])    
1196     AC_SUBST(HaveRtldGlobal)
1197
1198     dnl ** RTLD_NOW isn't available on openbsd
1199     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1200     AC_EGREP_CPP(yes,
1201     [
1202      #include <dlfcn.h>
1203      #ifdef RTLD_NOW
1204             yes
1205      #endif
1206     ], [
1207       AC_MSG_RESULT(yes)
1208       AC_DEFINE(HAVE_RTLDNOW)
1209       HaveRtldNow=YES
1210     ], [
1211       AC_MSG_RESULT(no)
1212       HaveRtldNow=NO
1213       ])    
1214     AC_SUBST(HaveRtldNow)
1215 fi
1216
1217 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1218
1219 dnl ---------- usleep ----------
1220 dnl --- stolen from guile configure ---
1221 dnl --- FIXME: /usr/include/unistd.h can't be right?
1222
1223 ### On some systems usleep has no return value.  If it does have one,
1224 ### we'd like to return it; otherwise, we'll fake it.
1225 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1226   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1227                    /usr/include/unistd.h,
1228                    [cv_func_usleep_return_type=void],
1229                    [cv_func_usleep_return_type=int])])
1230 case "$cv_func_usleep_return_type" in
1231   "void" )
1232     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1233       [Define if the system headers declare usleep to return void.])
1234   ;;
1235 esac
1236
1237 dnl --------------------------------------------------
1238 dnl * test for in_addr_t
1239 dnl --------------------------------------------------
1240 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1241 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1242  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1243  AC_MSG_RESULT(no))
1244
1245 dnl --------------------------------------------------
1246 dnl * test for Linux sendfile(2)
1247 dnl --------------------------------------------------
1248 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1249 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1250  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1251  AC_MSG_RESULT(no))
1252
1253 dnl --------------------------------------------------
1254 dnl * test for BSD sendfile(2)
1255 dnl --------------------------------------------------
1256 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1257 AC_EGREP_HEADER(sendfile, sys/socket.h,
1258  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1259  AC_MSG_RESULT(no))
1260
1261 dnl --------------------------------------------------
1262 dnl * test for GTK+
1263 dnl --------------------------------------------------
1264
1265 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1266 if test "$GTK_CONFIG" != ""; then
1267    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1268         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1269     ])
1270     GTK_VERSION=$fptools_cv_gtk_version
1271 else
1272     GTK_VERSION=
1273 fi
1274
1275 case $fptools_cv_gtk_version in
1276   1.[[23]].*) ;;
1277   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1278      GTK_CONFIG=
1279      ;;
1280 esac
1281
1282 AC_SUBST(GTK_CONFIG)
1283 AC_SUBST(GTK_VERSION)
1284
1285 dnl --------------------------------------------------
1286 dnl * Miscellaneous feature tests
1287 dnl --------------------------------------------------
1288
1289 dnl ** can we get alloca?
1290 AC_FUNC_ALLOCA
1291
1292 dnl ** Working vfork?
1293 AC_FUNC_VFORK
1294
1295 dnl ** determine whether or not const works
1296 AC_C_CONST
1297
1298 dnl ** determine whether ANSI-function prototypes work?
1299 AC_C_PROTOTYPES          
1300
1301 dnl ** are we big endian?
1302 AC_C_BIGENDIAN
1303
1304 dnl ** check for leading underscores in symbol names
1305 FPTOOLS_UNDERSCORE
1306
1307 dnl ** check for ld, and whether ld has -x option
1308 AC_PATH_PROG(LdCmdRaw, ld)
1309 case $HostOS_CPP in
1310  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1311            ;;
1312  *) LdCmd=${LdCmdRaw}
1313     ;;
1314 esac
1315 AC_SUBST(LdCmd)
1316 FPTOOLS_LD_X
1317
1318 AC_MSG_CHECKING([for SIGPOLL])
1319 AC_EGREP_CPP(we_have_sigpoll,
1320 [#include <signal.h>
1321 #ifdef SIGPOLL
1322 we_have_sigpoll
1323 #endif
1324 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1325 AC_MSG_RESULT([$haveSIGPOLL])
1326
1327 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1328 AC_EGREP_CPP(we_have_that_sysconf_thing,
1329 [
1330 #include <unistd.h>
1331 #ifdef _SC_GETGR_R_SIZE_MAX
1332 we_have_that_sysconf_thing
1333 #endif
1334 ],
1335 [AC_MSG_RESULT([yes])
1336 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1337 [AC_MSG_RESULT([no])])
1338
1339 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1340 AC_EGREP_CPP(we_have_that_sysconf_thing,
1341 [
1342 #include <unistd.h>
1343 #ifdef _SC_GETPW_R_SIZE_MAX
1344 we_have_that_sysconf_thing
1345 #endif
1346 ],
1347 [AC_MSG_RESULT([yes])
1348 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1349 [AC_MSG_RESULT([no])])
1350
1351 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )