[project @ 2001-06-26 08:13:04 by reid]
[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 * Declare subdirectories that have a private configure script
20 dnl
21 dnl After the toplevel configuration is complete, the script will recurse into
22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
24 AC_CONFIG_SUBDIRS(ghc)
25
26 # -------------------------------------------------------------------------
27 # Prepare to generate the following header files
28 #
29 #
30 AC_CONFIG_HEADER(mk/config.h)
31
32 # No, semi-sadly, we don't do `--srcdir'...
33 if test x"$srcdir" != 'x.' ; then
34     echo "This configuration does not support the \`--srcdir' option.."
35     exit 1
36 fi
37
38 #
39 # Remove common automounter nonsense + convert from UNC to DOS style paths
40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
41 #
42 hardtop=`pwd`
43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
44
45 echo ''
46 echo "*** The top of your build tree is: $hardtop"
47 AC_SUBST(hardtop)
48
49 dnl--------------------------------------------------------------------
50 dnl * Choose host(/target/build) platform
51 dnl--------------------------------------------------------------------
52
53 dnl Guess host/target/build platform(s) if necessary.
54 AC_CANONICAL_SYSTEM
55
56 # "$host" defaults to "$target"
57 if test "x$host" = xNONE ; then
58     host=$target
59 fi
60
61 dnl ** canonicalize platform names
62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
65
66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
67     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
68     exit 1
69 fi
70
71 exeext=''
72 #
73 # The following will be more difficult when we *are* cross-compiling.
74 # Suitable names to slam in *_CPP are in platform.h.in.
75 # We also record the architecture, vendor, and operating system (OS)
76 # separately.
77 case $HostPlatform in
78 alpha-dec-osf[[12]]*)
79         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
80         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
81         BuildPlatform=alpha-dec-osf1  # hack
82         HostPlatform_CPP='alpha_dec_osf1'
83         HostArch_CPP='alpha'
84         HostVendor_CPP='dec'
85         HostOS_CPP='osf1'
86         ;;
87 alpha-dec-osf[[34]]*)
88         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
89         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
90         BuildPlatform=alpha-dec-osf3  # hack
91         HostPlatform_CPP='alpha_dec_osf3'
92         HostArch_CPP='alpha'
93         HostVendor_CPP='dec'
94         HostOS_CPP='osf3'
95         ;;
96 alpha-unknown-linux)
97         HostPlatform=alpha-unknown-linux
98         TargetPlatform=alpha-unknown-linux
99         BuildPlatform=alpha-unknown-linux
100         HostPlatform_CPP='alpha_unknown_linux'
101         HostArch_CPP='alpha'
102         HostVendor_CPP='unknown'
103         HostOS_CPP='linux'
104         ;;
105 alpha-unknown-freebsd*)
106         HostPlatform=alpha-unknown-freebsd
107         TargetPlatform=alpha-unknown-freebsd
108         BuildPlatform=alpha-unknown-freebsd
109         HostPlatform_CPP='alpha_unknown_freebsd'
110         HostArch_CPP='alpha'
111         HostVendor_CPP='unknown'
112         HostOS_CPP='freebsd'
113         ;;
114 hppa1.1-hp-hpux*)
115         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
116         TargetPlatform=hppa1.1-hp-hpux
117         BuildPlatform=hppa1.1-hp-hpux
118         HostPlatform_CPP='hppa1_1_hp_hpux'
119         HostArch_CPP='hppa1_1'
120         HostVendor_CPP='hp'
121         HostOS_CPP='hpux'
122         ;;
123 i[[3456]]86-*-linuxaout*)
124         HostPlatform=i386-unknown-linuxaout   # hack again
125         TargetPlatform=i386-unknown-linuxaout
126         BuildPlatform=i386-unknown-linuxaout
127         HostPlatform_CPP='i386_unknown_linuxaout'
128         HostArch_CPP='i386'
129         HostVendor_CPP='unknown'
130         HostOS_CPP='linuxaout'
131         ;;
132 i[[3456]]86-*-linux*)
133         HostPlatform=i386-unknown-linux # hack again
134         TargetPlatform=i386-unknown-linux
135         BuildPlatform=i386-unknown-linux
136         HostPlatform_CPP='i386_unknown_linux'
137         HostArch_CPP='i386'
138         HostVendor_CPP='unknown'
139         HostOS_CPP='linux'
140         ;;
141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
142         HostPlatform=i386-unknown-freebsd # hack again
143         TargetPlatform=i386-unknown-freebsd
144         BuildPlatform=i386-unknown-freebsd
145         HostPlatform_CPP='i386_unknown_freebsd'
146         HostArch_CPP='i386'
147         HostVendor_CPP='unknown'
148         HostOS_CPP='freebsd'
149         ;;
150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
151         HostPlatform=i386-unknown-freebsd2 # hack again
152         TargetPlatform=i386-unknown-freebsd2
153         BuildPlatform=i386-unknown-freebsd2
154         HostPlatform_CPP='i386_unknown_freebsd2'
155         HostArch_CPP='i386'
156         HostVendor_CPP='unknown'
157         HostOS_CPP='freebsd2'
158         ;;
159 i[[3456]]86-*-netbsd*)
160         HostPlatform=i386-unknown-netbsd # hack again
161         TargetPlatform=i386-unknown-netbsd
162         BuildPlatform=i386-unknown-netbsd
163         HostPlatform_CPP='i386_unknown_netbsd'
164         HostArch_CPP='i386'
165         HostVendor_CPP='unknown'
166         HostOS_CPP='netbsd'
167         ;;
168 i[[3456]]86-*-openbsd*)
169         HostPlatform=i386-unknown-openbsd # hack again
170         TargetPlatform=i386-unknown-openbsd
171         BuildPlatform=i386-unknown-openbsd
172         HostPlatform_CPP='i386_unknown_openbsd'
173         HostArch_CPP='i386'
174         HostVendor_CPP='unknown'
175         HostOS_CPP='openbsd'
176         ;;
177 i[[3456]]86-*-solaris2*)
178         HostPlatform=i386-unknown-solaris2 # hack again
179         TargetPlatform=i386-unknown-solaris2
180         BuildPlatform=i386-unknown-solaris2
181         HostPlatform_CPP='i386_unknown_solaris2'
182         HostArch_CPP='i386'
183         HostVendor_CPP='unknown'
184         HostOS_CPP='solaris2'
185         ;;
186 i[[3456]]86-*-cygwin*)
187         HostPlatform=i386-unknown-cygwin32 # hack again
188         TargetPlatform=i386-unknown-cygwin32
189         BuildPlatform=i386-unknown-cygwin32
190         HostPlatform_CPP='i386_unknown_cygwin32'
191         HostArch_CPP='i386'
192         HostVendor_CPP='unknown'
193         HostOS_CPP='cygwin32'
194         exeext='.exe'
195         ;;
196 i[[3456]]86-*-mingw32*)
197         HostPlatform=i386-unknown-mingw32 # hack again
198         TargetPlatform=i386-unknown-mingw32
199         BuildPlatform=i386-unknown-mingw32
200         HostPlatform_CPP='i386_unknown_mingw32'
201         HostArch_CPP='i386'
202         HostVendor_CPP='unknown'
203         HostOS_CPP='mingw32'
204         exeext='.exe'
205         # We assume you're using mingw32 via the gcc that comes
206         # with cygwin, and not the native port, so let's augment
207         # the gcc command-line used here with -mno-cygwin -mwin32
208         # to arrange for good things to happen.
209         CFLAGS="-mno-cygwin -mwin32 $CFLAGS"
210         CPPFLAGS="-mno-cygwin -mwin32 $CPPFLAGS"
211         ;;
212 m68k-next-nextstep2)
213         HostPlatform_CPP='m68k_next_nextstep2'
214         HostArch_CPP='m68k'
215         HostVendor_CPP='next'
216         HostOS_CPP='nextstep2'
217         ;;
218 m68k-next-nextstep3)
219         HostPlatform_CPP='m68k_next_nextstep3'
220         HostArch_CPP='m68k'
221         HostVendor_CPP='next'
222         HostOS_CPP='nextstep3'
223         ;;
224 i[[3456]]86-next-nextstep3)
225         HostPlatform=i386-next-nextstep3 # hack again
226         TargetPlatform=i386-next-nextstep3
227         BuildPlatform=i386-next-nextstep3
228         HostPlatform_CPP='i386_next_nextstep3'
229         HostArch_CPP='i386'
230         HostVendor_CPP='next'
231         HostOS_CPP='nextstep3'
232         ;;
233 m68k-sun-sunos4*)
234         HostPlatform=m68k-sun-sunos4
235         TargetPlatform=m68k-sun-sunos4 #hack
236         BuildPlatform=m68k-sun-sunos4 #hack
237         HostPlatform_CPP='m68k_sun_sunos4'
238         HostArch_CPP='m68k'
239         HostVendor_CPP='sun'
240         HostOS_CPP='sunos4'
241         ;;
242 mips-dec-ultrix*)
243         HostPlatform_CPP='mips_dec_ultrix'
244         HostArch_CPP='mipsel'   # NB a little different
245         HostVendor_CPP='dec'
246         HostOS_CPP='ultrix'
247         ;;
248 mips-sgi-irix*)
249         HostPlatform=mips-sgi-irix
250         TargetPlatform=mips-sgi-irix #hack
251         BuildPlatform=mips-sgi-irix #hack
252         HostPlatform_CPP='mips_sgi_irix'
253         HostArch_CPP='mipseb'   # NB a little different
254         HostVendor_CPP='sgi'
255         HostOS_CPP='irix'
256         ;;
257 rs6000-ibm-aix*)
258         HostPlatform=rs6000-ibm-aix
259         TargetPlatform=rs6000-ibm-aix #hack
260         BuildPlatform=rs6000-ibm-aix #hack
261         HostPlatform_CPP='rs6000_ibm_aix'
262         HostArch_CPP='rs6000'
263         HostVendor_CPP='ibm'
264         HostOS_CPP='aix'
265         ;;
266 powerpc-ibm-aix*)
267         HostPlatform=powerpc-ibm-aix
268         TargetPlatform=powerpc-ibm-aix #hack
269         BuildPlatform=powerpc-ibm-aix #hack
270         HostPlatform_CPP='powerpc_ibm_aix'
271         HostArch_CPP='powerpc'
272         HostVendor_CPP='ibm'
273         HostOS_CPP='aix'
274         ;;
275 powerpc-apple-macosx*)
276       HostPlatform=powerpc-apple-macosx
277       TargetPlatform=powerpc-apple-macosx #hack
278       BuildPlatform=powerpc-apple-macosx #hack
279         HostPlatform_CPP='powerpc_apple_macosx'
280         HostArch_CPP='powerpc'
281         HostVendor_CPP='apple'
282         HostOS_CPP='macosx'
283         ;;
284 sparc-sun-sunos4*)
285         HostPlatform=sparc-sun-sunos4
286         TargetPlatform=sparc-sun-sunos4 #hack
287         BuildPlatform=sparc-sun-sunos4 #hack
288         HostPlatform_CPP='sparc_sun_sunos4'
289         HostArch_CPP='sparc'
290         HostVendor_CPP='sun'
291         HostOS_CPP='sunos4'
292         ;;
293 sparc-sun-solaris2*)
294         HostPlatform=sparc-sun-solaris2
295         TargetPlatform=sparc-sun-solaris2 #hack
296         BuildPlatform=sparc-sun-solaris2 #hack
297         HostPlatform_CPP='sparc_sun_solaris2'
298         HostArch_CPP='sparc'
299         HostVendor_CPP='sun'
300         HostOS_CPP='solaris2'
301         ;;
302 *)
303         echo "Unrecognised platform: $HostPlatform"
304         exit 1
305         ;;
306 esac
307 echo "Canonicalised to: $HostPlatform"
308 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
309 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
310
311 BuildPlatform_CPP=$HostPlatform_CPP
312 TargetPlatform_CPP=$HostPlatform_CPP
313 BuildArch_CPP=$HostArch_CPP
314 TargetArch_CPP=$HostArch_CPP
315 BuildOS_CPP=$HostOS_CPP
316 HostOS_Full=$host_os
317 TargetOS_CPP=$HostOS_CPP
318 BuildVendor_CPP=$HostVendor_CPP
319 TargetVendor_CPP=$HostVendor_CPP
320
321 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
322 dnl AC_SUBST(BuildPlatform)
323
324 AC_SUBST(HostPlatform)
325 AC_SUBST(TargetPlatform)
326 AC_SUBST(HostPlatform_CPP)
327 dnl AC_SUBST(BuildPlatform_CPP)
328 dnl AC_SUBST(TargetPlatform_CPP)
329
330 AC_SUBST(HostArch_CPP)
331 dnl AC_SUBST(BuildArch_CPP)
332 dnl AC_SUBST(TargetArch_CPP)
333
334 AC_SUBST(HostOS_CPP)
335 AC_SUBST(HostOS_Full)
336 dnl AC_SUBST(BuildOS_CPP)
337 dnl AC_SUBST(TargetOS_CPP)
338
339 AC_SUBST(HostVendor_CPP)
340 dnl AC_SUBST(BuildVendor_CPP)
341 dnl AC_SUBST(TargetVendor_CPP)
342
343 AC_SUBST(exeext)
344
345 dnl --------------------------------------------------------------
346 dnl * Project specific configuration options
347 dnl --------------------------------------------------------------
348 dnl What follows is a bunch of options that can either be configured
349 dnl through command line options to the configure script or by
350 dnl supplying defns in the build tree's mk/build.mk. Having the option to
351 dnl use either is considered a Feature.
352
353 dnl ** What command to use to compile compiler sources ?
354 dnl --------------------------------------------------------------
355 if test "$GHC" = ""; then
356   AC_PATH_PROG(GHC,ghc)
357 fi
358
359 AC_ARG_WITH(ghc,
360 [  --with-ghc=<haskell compiler>
361         Use a command different from 'ghc' to compile GHC-specific Haskell code
362             (including GHC itself).
363 ],
364 [WithGhc="$withval"],
365 [WithGhc=$GHC]
366 )
367 AC_SUBST(WithGhc)
368
369 AC_ARG_WITH(hc,
370 [  --with-hc=<haskell compiler>
371         Use a command different from 'ghc' to compile generic Haskell code.
372 ],
373 [WithHc="$withval"],
374 [WithHc=$WithGhc]
375 )
376 AC_SUBST(WithHc)
377
378 if test "$WithGhc" != ""; then
379   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
380   AC_SUBST(GhcVersion)dnl
381   AC_SUBST(GhcMajVersion)dnl
382   AC_SUBST(GhcMinVersion)dnl
383   AC_SUBST(GhcPatchLevel)dnl
384 fi
385
386 AC_PATH_PROGS(NHC,nhc nhc98)
387 AC_PATH_PROG(HBC,hbc)
388
389 dnl ** Which gcc to use?
390 dnl --------------------------------------------------------------
391 AC_ARG_WITH(gcc,
392 [  --with-gcc=<gcc command>
393         Use a different command instead of 'gcc' for the GNU C compiler.
394 ],
395 [WhatGccIsCalled="$withval"],
396 [WhatGccIsCalled="gcc"]
397 )
398 AC_SUBST(WhatGccIsCalled)
399
400 dnl ** Booting from .hc files?
401 dnl --------------------------------------------------------------
402 AC_ARG_ENABLE(hc-boot,
403 [  --enable-hc-boot
404         Boot the Glasgow Haskell Compiler from intermediate .hc files.
405         (This option is mostly of interest to porters.)
406 ],
407 [BootingFromHc=YES],
408 [BootingFromHc=NO]
409 )
410 AC_SUBST(BootingFromHc)
411
412
413 dnl ** Enable the construction of Win32 DLLs?
414 dnl --------------------------------------------------------------
415 AC_ARG_ENABLE(win32-dlls,
416 [  --enable-win32-dlls
417         If on a Win32 platform running mingw32/cygwin, enable the
418         construction of DLLs containing ghc-compiled code.
419 ],
420 [
421 case $HostOS_CPP in
422 cygwin32) ;;
423 mingw32)  ;;
424 *)    echo "Unrecognised win32 platform: $HostPlatform"
425       exit 1
426       ;;
427 esac
428 EnableWin32DLLs=YES
429 ],
430 [EnableWin32DLLs=NO]
431 )
432 AC_SUBST(EnableWin32DLLs)
433 if test x"$EnableWin32DLLs" = "xYES" ; then
434  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
435 fi
436
437 dnl ** Building a Win32-friendlier compiler?
438 dnl --------------------------------------------------------------
439 AC_ARG_ENABLE(minimal-unix-deps,
440 [  --enable-minimal-unix-deps
441         Build a compiler that minimizes dependencies on Unix-like tools
442         under Win32, allowing the user to operate the compiler without
443         having to install Cygwin toolchain (say). (You still need
444         that toolchain to build GHC from sources though).
445 ],
446 [MinimalUnixDeps=YES],
447 [MinimalUnixDeps=NO]
448 )
449 AC_SUBST(MinimalUnixDeps)
450
451 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
452 dnl --------------------------------------------------------------
453 AC_ARG_ENABLE(hopengl,
454 [  --enable-hopengl
455         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
456         (This option is only relevant when hslibs are built.)
457 ],
458 [GhcLibsWithHOpenGL=YES],
459 [GhcLibsWithHOpenGL=NO]
460 )
461 AC_SUBST(GhcLibsWithHOpenGL)
462
463 dnl ** Use a specific version of the GLUT API
464 dnl --------------------------------------------------------------
465 AC_ARG_WITH(glut-api,
466 [  --with-glut-api=<version>
467         Use a specific version of the GLUT API when building HOpenGL.
468 ])
469 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
470
471
472 dnl ** Use a specific version of the GLUT API
473 dnl --------------------------------------------------------------
474 AC_ARG_WITH(glut-xlib,
475 [  --with-glut-xlib=<version>
476         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
477 ])
478 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
479
480
481
482
483 dnl --------------------------------------------------------------
484 dnl End of configure script option section
485 dnl --------------------------------------------------------------
486
487
488 dnl --------------------------------------------------------------
489 dnl * General configuration checks
490 dnl --------------------------------------------------------------
491
492 dnl ** does #! work?
493 AC_SYS_INTERPRETER()
494
495 dnl ** look for `perl', but only in /bin on Windows
496 case $HostOS_CPP in
497 cygwin32|mingw32)
498       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
499       if test -z "$PerlCmd"; then
500          echo "You must install the version of Perl shipped with GHC"
501          echo "(or a compatible one) in /bin."
502          exit 1
503       fi
504    ;;
505 *)
506    AC_PATH_PROG(PerlCmd,perl)
507    if test -z "$PerlCmd"; then
508       echo "You must install perl before you can continue"
509       echo "Perhaps it is already installed, but not in your PATH?"
510       exit 1
511    else
512    FPTOOLS_CHECK_PERL_VERSION
513    fi
514    ;;
515 esac
516
517 dnl ** does #! path/to/perl work? (sometimes it's too long...)
518 FPTOOLS_SHEBANG_PERL
519
520
521 dnl ** look for GCC and find out which version
522 dnl     Figure out which C compiler to use.  Gcc is preferred.
523 dnl     If gcc, make sure it's at least 2.1
524 dnl
525 AC_PROG_CC
526 FPTOOLS_HAVE_GCC
527
528 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
529 AC_PROG_CPP
530 case $HostOS_CPP in
531 mingw32)
532    CPP="$CPP -mno-cygwin -mwin32"
533    ;;
534 esac
535
536 dnl ** figure out how to do context diffs
537 FPTOOLS_PROG_DIFF
538
539 dnl ** Find find command (for Win32's benefit)
540 AC_PATH_PROG(FindCmd, find)
541
542 dnl ** look for a decent parser generator (bison preferred)
543 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
544 dnl  on the suitability of the 'yacc' returned.)
545 FPTOOLS_PROG_YACCY
546
547 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
548 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
549 dnl    exists if 'flex' doesn't.
550 AC_PROG_LEX_STRICT
551
552 dnl ** figure out how to do a BSD-ish install
553 AC_PROG_INSTALL
554
555 dnl If you can run configure, you certainly have /bin/sh
556 AC_DEFINE(HAVE_BIN_SH)
557
558 dnl ** how to invoke `ar' and `ranlib'
559 FPTOOLS_PROG_AR_AND_RANLIB
560
561
562 dnl ** Check to see whether ln -s works
563 AC_PROG_LN_S
564
565
566 dnl ** Find the path to sed
567 AC_PATH_PROG(SedCmd,sed)
568
569
570 dnl ** check for time command
571 AC_PATH_PROG(TimeCmd,time)
572
573
574 dnl ** check for tar
575 dnl   if GNU tar is named gtar, look for it first.
576 AC_PATH_PROGS(TarCmd,gtar tar,tar)
577
578 dnl ** check for gzip/compress
579 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
580
581 dnl ** check for jade/openjade & determine a working catalog
582 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
583 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
584                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
585 if test -z "$Catalog"; then
586   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
587 fi
588 AC_SUBST(Catalog)
589
590 compress_nm=`basename $CompressCmd`
591 if test x"$compress_nm" = xgzip; then
592   CompressCmd="$CompressCmd -d"
593   CompressSuffix="gz"
594 else
595   CompressSuffix="Z"
596 fi
597 AC_SUBST(CompressCmd)
598 AC_SUBST(CompressSuffix)
599
600 dnl ** check for installed happy binary + version
601 dnl    (don't do it if we're booting from .hc files though.)
602 if test "$BootingFromHc" = "NO"; then
603 FPTOOLS_HAPPY
604 fi;
605
606 dnl --------------------------------------------------
607 dnl ### program checking section ends here ###
608 dnl --------------------------------------------------
609
610 dnl --------------------------------------------------
611 dnl * Platform header file and syscall feature tests
612 dnl ### checking the state of the local header files and syscalls ###
613
614 dnl ** check for full ANSI header (.h) files
615 AC_HEADER_STDC
616
617 dnl ** check for specific header (.h) files that we are interested in
618 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 malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.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 vfork.h bfd.h winsock.h)
619
620 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
621 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
622
623 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
624   HaveReadlineHeaders=YES
625   AC_DEFINE(HAVE_READLINE_HEADERS,1)
626 else
627   HaveReadlineHeaders=NO
628   AC_DEFINE(HAVE_READLINE_HEADERS,0)
629 fi
630 AC_SUBST(HaveReadlineHeaders)
631
632 dnl ** check for DOS include files
633 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
634
635 dnl ** check for Windows include files
636 AC_CHECK_HEADERS(windows.h)
637
638 dnl ** check for OpenGL include files
639 AC_CHECK_HEADERS(GL/gl.h)
640
641 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
642 AC_HEADER_TIME
643
644 dnl dynamic loading include files
645 AC_CHECK_HEADERS(dlfcn.h dl.h) 
646
647 dnl ** check for farcalloc (in bcc)
648 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
649
650 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
651 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
652
653 dnl ** how do we get a timezone name, and UTC offset ?
654 AC_STRUCT_TIMEZONE
655
656 dnl ** what's the type of timezone?
657 FPTOOLS_HAVE_TIMEZONE
658 FPTOOLS_TYPE_TIMEZONE
659
660 dnl ** do we have altzone?
661 FPTOOLS_ALTZONE
662
663 dnl ** does struct stat contain st_blksize?
664 AC_STRUCT_ST_BLKSIZE
665
666 dnl ** do we have long longs?
667 FPTOOLS_C_LONG_LONG
668
669 dnl ** what are the sizes of various types
670 dnl    (these must come before GHC_CHECK_ALIGNMENT)
671 AC_CHECK_SIZEOF(char,               1)
672 AC_CHECK_SIZEOF(double,             8)
673 AC_CHECK_SIZEOF(float,              4)
674 AC_CHECK_SIZEOF(int,                4)
675 AC_CHECK_SIZEOF(long,               4)
676 if test "$fptools_cv_have_long_long" = yes; then
677 AC_CHECK_SIZEOF(long long,          8)
678 fi
679 AC_CHECK_SIZEOF(short,              2)
680 AC_CHECK_SIZEOF(unsigned char,      1)
681 AC_CHECK_SIZEOF(unsigned int,       4)
682 AC_CHECK_SIZEOF(unsigned long,      4)
683 if test "$fptools_cv_have_long_long" = yes; then
684 AC_CHECK_SIZEOF(unsigned long long, 8)
685 fi
686 AC_CHECK_SIZEOF(unsigned short,     2)
687 AC_CHECK_SIZEOF(void *,             4)
688
689 dnl ** what are alignment constraints on various types
690 FPTOOLS_CHECK_ALIGNMENT(char)
691 FPTOOLS_CHECK_ALIGNMENT(double)
692 FPTOOLS_CHECK_ALIGNMENT(float)
693 FPTOOLS_CHECK_ALIGNMENT(int)
694 FPTOOLS_CHECK_ALIGNMENT(long)
695 if test "$fptools_cv_have_long_long" = yes; then
696 FPTOOLS_CHECK_ALIGNMENT(long long)
697 fi
698 FPTOOLS_CHECK_ALIGNMENT(short)
699 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
700 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
701 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
702 if test "$fptools_cv_have_long_long" = yes; then
703 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
704 fi
705 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
706 FPTOOLS_CHECK_ALIGNMENT(void *)
707
708 dnl ** map standard C types and ISO types to Haskell types
709 FPTOOLS_CHECK_HTYPE(char)
710 FPTOOLS_CHECK_HTYPE(signed char)
711 FPTOOLS_CHECK_HTYPE(unsigned char)
712 FPTOOLS_CHECK_HTYPE(short)
713 FPTOOLS_CHECK_HTYPE(unsigned short)
714 FPTOOLS_CHECK_HTYPE(int)
715 FPTOOLS_CHECK_HTYPE(unsigned int)
716 FPTOOLS_CHECK_HTYPE(long)
717 FPTOOLS_CHECK_HTYPE(unsigned long)
718 if test "$fptools_cv_have_long_long" = yes; then
719 FPTOOLS_CHECK_HTYPE(long long)
720 FPTOOLS_CHECK_HTYPE(unsigned long long)
721 fi
722 FPTOOLS_CHECK_HTYPE(float)
723 FPTOOLS_CHECK_HTYPE(double)
724 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
725 FPTOOLS_CHECK_HTYPE(size_t)
726 FPTOOLS_CHECK_HTYPE(wchar_t)
727 dnl Int32 is a HACK for non-ISO C compilers
728 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
729 FPTOOLS_CHECK_HTYPE(clock_t)
730 FPTOOLS_CHECK_HTYPE(time_t)
731
732 dnl ** Map OpenGL data types to Haskell types
733 if test $GhcLibsWithHOpenGL = YES ; then
734 FPTOOLS_CHECK_HTYPE(GLboolean)
735 FPTOOLS_CHECK_HTYPE(GLbyte)
736 FPTOOLS_CHECK_HTYPE(GLubyte)
737 FPTOOLS_CHECK_HTYPE(GLshort)
738 FPTOOLS_CHECK_HTYPE(GLushort)
739 FPTOOLS_CHECK_HTYPE(GLint)
740 FPTOOLS_CHECK_HTYPE(GLuint)
741 FPTOOLS_CHECK_HTYPE(GLsizei)
742 FPTOOLS_CHECK_HTYPE(GLenum)
743 FPTOOLS_CHECK_HTYPE(GLbitfield)
744 FPTOOLS_CHECK_HTYPE(GLfloat)
745 FPTOOLS_CHECK_HTYPE(GLclampf)
746 FPTOOLS_CHECK_HTYPE(GLdouble)
747 FPTOOLS_CHECK_HTYPE(GLclampd)
748 fi
749
750 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
751
752 dnl ** can we open files in binary mode?
753 FPTOOLS_O_BINARY
754
755 dnl ** check for GetModuleFileName and WinExec (windows only)
756 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
757 dnl Doesn't work because the linker can't see the functions if
758 dnl you omit the #include <windows.h>.  (I've no idea why not...)
759
760 FPTOOLS_TRY_LINK_NOWARN(,[
761 #if HAVE_WINDOWS_H
762 #include <windows.h>
763 #endif
764 main() { 
765   WinExec("",0);
766   exit(0);
767 }
768 ],
769 [have_winexec=1],
770 [have_winexec=0])
771 if test "$have_winexec" = "1"; then
772 AC_DEFINE(HAVE_WINEXEC)
773 fi
774
775 FPTOOLS_TRY_LINK_NOWARN(,[
776 #if HAVE_WINDOWS_H
777 #include <windows.h>
778 #endif
779 main() { 
780   char* dir;
781   GetModuleFileName((HMODULE)0,dir,0);
782   exit(0);
783 }
784 ],
785 [have_getmodulefilename=1],
786 [have_getmodulefilename=0])
787 if test "$have_getmodulefilename" = "1"; then
788 AC_DEFINE(HAVE_GETMODULEFILENAME)
789 fi
790
791 dnl ** check return type of signal handlers
792 dnl Foo: assumes we can use prototypes.
793 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
794 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
795 dnl [AC_TRY_COMPILE([#include <sys/types.h>
796 dnl #include <signal.h>
797 dnl #ifdef signal
798 dnl #undef signal
799 dnl #endif
800 dnl void (*signal (int, void (*)(int)))(int);
801 dnl ],
802 dnl [int i;], 
803 dnl ac_cv_type_signal_handler=void_int,
804 dnl ac_cv_type_signal_handler=int_void)])
805 dnl if test "$ac_cv_type_signal_handler" = void_int; then
806 dnl AC_DEFINE(VOID_INT_SIGNALS)
807 dnl fi
808
809 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
810 AC_TYPE_SIGNAL
811 if test "$ac_cv_type_signal" = void; then
812 AC_DEFINE(VOID_INT_SIGNALS)
813 fi
814
815 dnl ** check for more functions
816 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
817 AC_CHECK_FUNCS(strcmp)
818 AC_CHECK_FUNCS(realpath _fullpath)  
819 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
820 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
821 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
822 AC_CHECK_FUNCS(snprintf  _snprintf )  
823 AC_CHECK_FUNCS(popen     _popen )  
824 AC_CHECK_FUNCS(pclose    _pclose )  
825
826
827 dnl ** check for specific library functions that we are interested in
828 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
829
830 dnl ** check whether this machine has gmp3 installed
831 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
832   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
833     HaveLibGmp=No; LibGmp=not-installed))
834 AC_SUBST(HaveLibGmp)
835 AC_SUBST(LibGmp)
836
837 dnl ** check whether this machine has GNU regex in libc.
838 FPTOOLS_REGEX_IN_LIBC
839
840 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
841 dnl    the order of these tests matters: bfd needs liberty
842 AC_CHECK_LIB(iberty, xmalloc)
843 AC_CHECK_LIB(bfd,    bfd_init)
844
845 dnl ** check for readline, for Hugs and hslibs' Readline
846 dnl ncurses supersedes termcap and curses, but for compatibility,
847 dnl we have to check for all...
848 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
849   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
850     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
851       HaveLibTermcap=NO; LibTermcap=not-installed)))
852
853 if test $HaveLibTermcap = YES ; then
854   LIBS="-l$LibTermcap $LIBS"
855   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
856 fi
857
858 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
859   AC_DEFINE(HAVE_READLINE_LIBS,1)
860   LibsReadline="readline $LibTermcap"
861 else
862   AC_DEFINE(HAVE_READLINE_LIBS,0)
863   LibsReadline=
864 fi
865 AC_SUBST(LibsReadline)
866
867 if test "$HaveLibReadline"; then
868   AC_CHECK_LIB(readline, rl_erase_empty_line,
869     [AC_DEFINE(HAVE_READLINE_4, 1)],
870     [AC_DEFINE(HAVE_READLINE_4, 0)])
871   AC_CHECK_LIB(readline, rl_free_undo_list,
872     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
873     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
874 else
875   AC_DEFINE(HAVE_READLINE_4, 0)
876   AC_DEFINE(HAVE_READLINE_4_2, 0)
877 fi
878
879 dnl ** check for math library
880 FPTOOLS_CHECK_LIBM()
881 AC_SUBST(LIBM)
882
883 case $HostOS_CPP in
884 cygwin32) ;;
885 mingw32)  ;;
886 *) AC_PATH_XTRA() ;;
887 esac
888
889 dnl ################################################################
890 dnl Check for libraries
891 dnl ################################################################
892
893 AC_CHECK_LIB(dl, dlopen, 
894         [HaveLibDL=YES
895          AC_DEFINE(HAVE_LIBDL)
896          LIBS="$LIBS -ldl"], 
897         [HaveLibDL=NO])
898 AC_CHECK_FUNCS(dlopen)
899 AC_SUBST(HaveLibDL)
900
901 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
902
903 dnl --------------------------------------------------
904 dnl * test for GTK+
905 dnl --------------------------------------------------
906
907 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
908 if test "$GTK_CONFIG" != ""; then
909    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
910         fptools_cv_gtk_version=`$GTK_CONFIG --version`
911     ])
912     GTK_VERSION=$fptools_cv_gtk_version
913 else
914     GTK_VERSION=
915 fi
916
917 case $fptools_cv_gtk_version in
918   1.[[23]].*) ;;
919   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
920      GTK_CONFIG=
921      ;;
922 esac
923
924 AC_SUBST(GTK_CONFIG)
925 AC_SUBST(GTK_VERSION)
926
927 dnl --------------------------------------------------
928 dnl * Miscellaneous feature tests
929 dnl --------------------------------------------------
930
931 dnl ** can we get alloca?
932 AC_FUNC_ALLOCA
933
934 dnl ** determine whether or not const works
935 AC_C_CONST
936
937 dnl ** determine whether ANSI-function prototypes work?
938 AC_C_PROTOTYPES          
939
940 dnl ** are we big endian?
941 AC_C_BIGENDIAN
942 # Allay users' general fear of warnings of any kind.
943 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
944 )
945
946 dnl ** check for leading underscores in symbol names
947 FPTOOLS_UNDERSCORE
948
949 dnl ** how is the end of text section signalled?
950 FPTOOLS_END_TEXT_SECTION
951
952 dnl ** how is the end of data section signalled?
953 FPTOOLS_END_DATA_SECTION
954
955 dnl ** code before data?
956 FPTOOLS_CODE_BEFORE_DATA
957
958 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )