[project @ 2001-07-03 17:07:52 by rrt]
[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         ;;
206 m68k-next-nextstep2)
207         HostPlatform_CPP='m68k_next_nextstep2'
208         HostArch_CPP='m68k'
209         HostVendor_CPP='next'
210         HostOS_CPP='nextstep2'
211         ;;
212 m68k-next-nextstep3)
213         HostPlatform_CPP='m68k_next_nextstep3'
214         HostArch_CPP='m68k'
215         HostVendor_CPP='next'
216         HostOS_CPP='nextstep3'
217         ;;
218 i[[3456]]86-next-nextstep3)
219         HostPlatform=i386-next-nextstep3 # hack again
220         TargetPlatform=i386-next-nextstep3
221         BuildPlatform=i386-next-nextstep3
222         HostPlatform_CPP='i386_next_nextstep3'
223         HostArch_CPP='i386'
224         HostVendor_CPP='next'
225         HostOS_CPP='nextstep3'
226         ;;
227 m68k-sun-sunos4*)
228         HostPlatform=m68k-sun-sunos4
229         TargetPlatform=m68k-sun-sunos4 #hack
230         BuildPlatform=m68k-sun-sunos4 #hack
231         HostPlatform_CPP='m68k_sun_sunos4'
232         HostArch_CPP='m68k'
233         HostVendor_CPP='sun'
234         HostOS_CPP='sunos4'
235         ;;
236 mips-dec-ultrix*)
237         HostPlatform_CPP='mips_dec_ultrix'
238         HostArch_CPP='mipsel'   # NB a little different
239         HostVendor_CPP='dec'
240         HostOS_CPP='ultrix'
241         ;;
242 mips-sgi-irix*)
243         HostPlatform=mips-sgi-irix
244         TargetPlatform=mips-sgi-irix #hack
245         BuildPlatform=mips-sgi-irix #hack
246         HostPlatform_CPP='mips_sgi_irix'
247         HostArch_CPP='mipseb'   # NB a little different
248         HostVendor_CPP='sgi'
249         HostOS_CPP='irix'
250         ;;
251 rs6000-ibm-aix*)
252         HostPlatform=rs6000-ibm-aix
253         TargetPlatform=rs6000-ibm-aix #hack
254         BuildPlatform=rs6000-ibm-aix #hack
255         HostPlatform_CPP='rs6000_ibm_aix'
256         HostArch_CPP='rs6000'
257         HostVendor_CPP='ibm'
258         HostOS_CPP='aix'
259         ;;
260 powerpc-ibm-aix*)
261         HostPlatform=powerpc-ibm-aix
262         TargetPlatform=powerpc-ibm-aix #hack
263         BuildPlatform=powerpc-ibm-aix #hack
264         HostPlatform_CPP='powerpc_ibm_aix'
265         HostArch_CPP='powerpc'
266         HostVendor_CPP='ibm'
267         HostOS_CPP='aix'
268         ;;
269 powerpc-apple-macosx*)
270       HostPlatform=powerpc-apple-macosx
271       TargetPlatform=powerpc-apple-macosx #hack
272       BuildPlatform=powerpc-apple-macosx #hack
273         HostPlatform_CPP='powerpc_apple_macosx'
274         HostArch_CPP='powerpc'
275         HostVendor_CPP='apple'
276         HostOS_CPP='macosx'
277         ;;
278 sparc-sun-sunos4*)
279         HostPlatform=sparc-sun-sunos4
280         TargetPlatform=sparc-sun-sunos4 #hack
281         BuildPlatform=sparc-sun-sunos4 #hack
282         HostPlatform_CPP='sparc_sun_sunos4'
283         HostArch_CPP='sparc'
284         HostVendor_CPP='sun'
285         HostOS_CPP='sunos4'
286         ;;
287 sparc-sun-solaris2*)
288         HostPlatform=sparc-sun-solaris2
289         TargetPlatform=sparc-sun-solaris2 #hack
290         BuildPlatform=sparc-sun-solaris2 #hack
291         HostPlatform_CPP='sparc_sun_solaris2'
292         HostArch_CPP='sparc'
293         HostVendor_CPP='sun'
294         HostOS_CPP='solaris2'
295         ;;
296 *)
297         echo "Unrecognised platform: $HostPlatform"
298         exit 1
299         ;;
300 esac
301 echo "Canonicalised to: $HostPlatform"
302 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
303 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
304
305 BuildPlatform_CPP=$HostPlatform_CPP
306 TargetPlatform_CPP=$HostPlatform_CPP
307 BuildArch_CPP=$HostArch_CPP
308 TargetArch_CPP=$HostArch_CPP
309 BuildOS_CPP=$HostOS_CPP
310 HostOS_Full=$host_os
311 TargetOS_CPP=$HostOS_CPP
312 BuildVendor_CPP=$HostVendor_CPP
313 TargetVendor_CPP=$HostVendor_CPP
314
315 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
316 dnl AC_SUBST(BuildPlatform)
317
318 AC_SUBST(HostPlatform)
319 AC_SUBST(TargetPlatform)
320 AC_SUBST(HostPlatform_CPP)
321 dnl AC_SUBST(BuildPlatform_CPP)
322 dnl AC_SUBST(TargetPlatform_CPP)
323
324 AC_SUBST(HostArch_CPP)
325 dnl AC_SUBST(BuildArch_CPP)
326 dnl AC_SUBST(TargetArch_CPP)
327
328 AC_SUBST(HostOS_CPP)
329 AC_SUBST(HostOS_Full)
330 dnl AC_SUBST(BuildOS_CPP)
331 dnl AC_SUBST(TargetOS_CPP)
332
333 AC_SUBST(HostVendor_CPP)
334 dnl AC_SUBST(BuildVendor_CPP)
335 dnl AC_SUBST(TargetVendor_CPP)
336
337 AC_SUBST(exeext)
338
339 dnl --------------------------------------------------------------
340 dnl * Project specific configuration options
341 dnl --------------------------------------------------------------
342 dnl What follows is a bunch of options that can either be configured
343 dnl through command line options to the configure script or by
344 dnl supplying defns in the build tree's mk/build.mk. Having the option to
345 dnl use either is considered a Feature.
346
347 dnl ** What command to use to compile compiler sources ?
348 dnl --------------------------------------------------------------
349 if test "$GHC" = ""; then
350   AC_PATH_PROG(GHC,ghc)
351 fi
352
353 AC_ARG_WITH(ghc,
354 [  --with-ghc=<haskell compiler>
355         Use a command different from 'ghc' to compile GHC-specific Haskell code
356             (including GHC itself).
357 ],
358 [WithGhc="$withval"],
359 [WithGhc=$GHC]
360 )
361 AC_SUBST(WithGhc)
362
363 AC_ARG_WITH(hc,
364 [  --with-hc=<haskell compiler>
365         Use a command different from 'ghc' to compile generic Haskell code.
366 ],
367 [WithHc="$withval"],
368 [WithHc=$WithGhc]
369 )
370 AC_SUBST(WithHc)
371
372 if test "$WithGhc" != ""; then
373   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
374   AC_SUBST(GhcVersion)dnl
375   AC_SUBST(GhcMajVersion)dnl
376   AC_SUBST(GhcMinVersion)dnl
377   AC_SUBST(GhcPatchLevel)dnl
378 fi
379
380 AC_PATH_PROGS(NHC,nhc nhc98)
381 AC_PATH_PROG(HBC,hbc)
382
383 dnl ** Which gcc to use?
384 dnl --------------------------------------------------------------
385 AC_ARG_WITH(gcc,
386 [  --with-gcc=<gcc command>
387         Use a different command instead of 'gcc' for the GNU C compiler.
388 ],
389 [WhatGccIsCalled="$withval"
390  CC="$withval"],
391 [WhatGccIsCalled="gcc"]
392 )
393 AC_SUBST(WhatGccIsCalled)
394
395 dnl ** Booting from .hc files?
396 dnl --------------------------------------------------------------
397 AC_ARG_ENABLE(hc-boot,
398 [  --enable-hc-boot
399         Boot the Glasgow Haskell Compiler from intermediate .hc files.
400         (This option is mostly of interest to porters.)
401 ],
402 [BootingFromHc=YES],
403 [BootingFromHc=NO]
404 )
405 AC_SUBST(BootingFromHc)
406
407
408 dnl ** Enable the construction of Win32 DLLs?
409 dnl --------------------------------------------------------------
410 AC_ARG_ENABLE(win32-dlls,
411 [  --enable-win32-dlls
412         If on a Win32 platform running mingw32/cygwin, enable the
413         construction of DLLs containing ghc-compiled code.
414 ],
415 [
416 case $HostOS_CPP in
417 cygwin32) ;;
418 mingw32)  ;;
419 *)    echo "Unrecognised win32 platform: $HostPlatform"
420       exit 1
421       ;;
422 esac
423 EnableWin32DLLs=YES
424 ],
425 [EnableWin32DLLs=NO]
426 )
427 AC_SUBST(EnableWin32DLLs)
428 if test x"$EnableWin32DLLs" = "xYES" ; then
429  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
430 fi
431
432 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
433 dnl --------------------------------------------------------------
434 AC_ARG_ENABLE(hopengl,
435 [  --enable-hopengl
436         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
437         (This option is only relevant when hslibs are built.)
438 ],
439 [GhcLibsWithHOpenGL=YES],
440 [GhcLibsWithHOpenGL=NO]
441 )
442 AC_SUBST(GhcLibsWithHOpenGL)
443
444 dnl ** Use a specific version of the GLUT API
445 dnl --------------------------------------------------------------
446 AC_ARG_WITH(glut-api,
447 [  --with-glut-api=<version>
448         Use a specific version of the GLUT API when building HOpenGL.
449 ])
450 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
451
452
453 dnl ** Use a specific version of the GLUT API
454 dnl --------------------------------------------------------------
455 AC_ARG_WITH(glut-xlib,
456 [  --with-glut-xlib=<version>
457         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
458 ])
459 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
460
461
462
463
464 dnl --------------------------------------------------------------
465 dnl End of configure script option section
466 dnl --------------------------------------------------------------
467
468
469 dnl --------------------------------------------------------------
470 dnl * General configuration checks
471 dnl --------------------------------------------------------------
472
473 dnl ** does #! work?
474 AC_SYS_INTERPRETER()
475
476 dnl ** look for `perl', but only in /bin on Windows
477 case $HostOS_CPP in
478 cygwin32|mingw32)
479       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
480       if test -z "$PerlCmd"; then
481          echo "You must install the version of Perl shipped with GHC"
482          echo "(or a compatible one) in /bin."
483          exit 1
484       fi
485    ;;
486 *)
487    AC_PATH_PROG(PerlCmd,perl)
488    if test -z "$PerlCmd"; then
489       echo "You must install perl before you can continue"
490       echo "Perhaps it is already installed, but not in your PATH?"
491       exit 1
492    else
493    FPTOOLS_CHECK_PERL_VERSION
494    fi
495    ;;
496 esac
497
498 dnl ** does #! path/to/perl work? (sometimes it's too long...)
499 FPTOOLS_SHEBANG_PERL
500
501 dnl ** look for GCC and find out which version
502 dnl     Figure out which C compiler to use.  Gcc is preferred.
503 dnl     If gcc, make sure it's at least 2.1
504 dnl
505 AC_PROG_CC
506 FPTOOLS_HAVE_GCC
507
508 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
509 AC_PROG_CPP
510
511 dnl ** does the C compiler support the following options?
512 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
513 if test -n "$CC_SUPPORS_MWIN32"; then
514   AC_MSG_ERROR([A mingwin gcc is required to build GHC on Windows.])
515 fi
516 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
517
518 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
519 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
520 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
521 AC_SUBST(SRC_CC_OPTS)
522
523 dnl ** figure out how to do context diffs
524 FPTOOLS_PROG_DIFF
525
526 dnl ** Find find command (for Win32's benefit)
527 AC_PATH_PROG(FindCmd, find)
528
529 dnl ** look for a decent parser generator (bison preferred)
530 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
531 dnl  on the suitability of the 'yacc' returned.)
532 FPTOOLS_PROG_YACCY
533
534 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
535 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
536 dnl    exists if 'flex' doesn't.
537 AC_PROG_LEX_STRICT
538
539 dnl ** figure out how to do a BSD-ish install
540 AC_PROG_INSTALL
541
542 dnl If you can run configure, you certainly have /bin/sh
543 AC_DEFINE(HAVE_BIN_SH)
544
545 dnl ** how to invoke `ar' and `ranlib'
546 FPTOOLS_PROG_AR_AND_RANLIB
547
548
549 dnl ** Check to see whether ln -s works
550 AC_PROG_LN_S
551
552
553 dnl ** Find the path to sed
554 AC_PATH_PROG(SedCmd,sed)
555
556
557 dnl ** check for time command
558 AC_PATH_PROG(TimeCmd,time)
559
560
561 dnl ** check for tar
562 dnl   if GNU tar is named gtar, look for it first.
563 AC_PATH_PROGS(TarCmd,gtar tar,tar)
564
565 dnl ** check for gzip/compress
566 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
567
568 dnl ** check for jade/openjade & determine a working catalog
569 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
570 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
571                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
572 if test -z "$Catalog"; then
573   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
574 fi
575 AC_SUBST(Catalog)
576
577 compress_nm=`basename $CompressCmd`
578 if test x"$compress_nm" = xgzip; then
579   CompressCmd="$CompressCmd -d"
580   CompressSuffix="gz"
581 else
582   CompressSuffix="Z"
583 fi
584 AC_SUBST(CompressCmd)
585 AC_SUBST(CompressSuffix)
586
587 dnl ** check for installed happy binary + version
588 dnl    (don't do it if we're booting from .hc files though.)
589 if test "$BootingFromHc" = "NO"; then
590 FPTOOLS_HAPPY
591 fi;
592
593 dnl --------------------------------------------------
594 dnl ### program checking section ends here ###
595 dnl --------------------------------------------------
596
597 dnl --------------------------------------------------
598 dnl * Platform header file and syscall feature tests
599 dnl ### checking the state of the local header files and syscalls ###
600
601 dnl ** check for full ANSI header (.h) files
602 AC_HEADER_STDC
603
604 dnl ** check for specific header (.h) files that we are interested in
605 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)
606
607 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
608 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
609
610 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
611   HaveReadlineHeaders=YES
612   AC_DEFINE(HAVE_READLINE_HEADERS,1)
613 else
614   HaveReadlineHeaders=NO
615   AC_DEFINE(HAVE_READLINE_HEADERS,0)
616 fi
617 AC_SUBST(HaveReadlineHeaders)
618
619 dnl ** check for DOS include files
620 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
621
622 dnl ** check for Windows include files
623 AC_CHECK_HEADERS(windows.h)
624
625 dnl ** check for OpenGL include files
626 AC_CHECK_HEADERS(GL/gl.h)
627
628 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
629 AC_HEADER_TIME
630
631 dnl dynamic loading include files
632 AC_CHECK_HEADERS(dlfcn.h dl.h) 
633
634 dnl ** check for farcalloc (in bcc)
635 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
636
637 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
638 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
639
640 dnl ** how do we get a timezone name, and UTC offset ?
641 AC_STRUCT_TIMEZONE
642
643 dnl ** what's the type of timezone?
644 FPTOOLS_HAVE_TIMEZONE
645 FPTOOLS_TYPE_TIMEZONE
646
647 dnl ** do we have altzone?
648 FPTOOLS_ALTZONE
649
650 dnl ** does struct stat contain st_blksize?
651 AC_STRUCT_ST_BLKSIZE
652
653 dnl ** do we have long longs?
654 FPTOOLS_C_LONG_LONG
655
656 dnl ** what are the sizes of various types
657 dnl    (these must come before GHC_CHECK_ALIGNMENT)
658 AC_CHECK_SIZEOF(char,               1)
659 AC_CHECK_SIZEOF(double,             8)
660 AC_CHECK_SIZEOF(float,              4)
661 AC_CHECK_SIZEOF(int,                4)
662 AC_CHECK_SIZEOF(long,               4)
663 if test "$fptools_cv_have_long_long" = yes; then
664 AC_CHECK_SIZEOF(long long,          8)
665 fi
666 AC_CHECK_SIZEOF(short,              2)
667 AC_CHECK_SIZEOF(unsigned char,      1)
668 AC_CHECK_SIZEOF(unsigned int,       4)
669 AC_CHECK_SIZEOF(unsigned long,      4)
670 if test "$fptools_cv_have_long_long" = yes; then
671 AC_CHECK_SIZEOF(unsigned long long, 8)
672 fi
673 AC_CHECK_SIZEOF(unsigned short,     2)
674 AC_CHECK_SIZEOF(void *,             4)
675
676 dnl ** what are alignment constraints on various types
677 FPTOOLS_CHECK_ALIGNMENT(char)
678 FPTOOLS_CHECK_ALIGNMENT(double)
679 FPTOOLS_CHECK_ALIGNMENT(float)
680 FPTOOLS_CHECK_ALIGNMENT(int)
681 FPTOOLS_CHECK_ALIGNMENT(long)
682 if test "$fptools_cv_have_long_long" = yes; then
683 FPTOOLS_CHECK_ALIGNMENT(long long)
684 fi
685 FPTOOLS_CHECK_ALIGNMENT(short)
686 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
687 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
688 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
689 if test "$fptools_cv_have_long_long" = yes; then
690 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
691 fi
692 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
693 FPTOOLS_CHECK_ALIGNMENT(void *)
694
695 dnl ** map standard C types and ISO types to Haskell types
696 FPTOOLS_CHECK_HTYPE(char)
697 FPTOOLS_CHECK_HTYPE(signed char)
698 FPTOOLS_CHECK_HTYPE(unsigned char)
699 FPTOOLS_CHECK_HTYPE(short)
700 FPTOOLS_CHECK_HTYPE(unsigned short)
701 FPTOOLS_CHECK_HTYPE(int)
702 FPTOOLS_CHECK_HTYPE(unsigned int)
703 FPTOOLS_CHECK_HTYPE(long)
704 FPTOOLS_CHECK_HTYPE(unsigned long)
705 if test "$fptools_cv_have_long_long" = yes; then
706 FPTOOLS_CHECK_HTYPE(long long)
707 FPTOOLS_CHECK_HTYPE(unsigned long long)
708 fi
709 FPTOOLS_CHECK_HTYPE(float)
710 FPTOOLS_CHECK_HTYPE(double)
711 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
712 FPTOOLS_CHECK_HTYPE(size_t)
713 FPTOOLS_CHECK_HTYPE(wchar_t)
714 dnl Int32 is a HACK for non-ISO C compilers
715 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
716 FPTOOLS_CHECK_HTYPE(clock_t)
717 FPTOOLS_CHECK_HTYPE(time_t)
718
719 dnl ** Map OpenGL data types to Haskell types
720 if test $GhcLibsWithHOpenGL = YES ; then
721 FPTOOLS_CHECK_HTYPE(GLboolean)
722 FPTOOLS_CHECK_HTYPE(GLbyte)
723 FPTOOLS_CHECK_HTYPE(GLubyte)
724 FPTOOLS_CHECK_HTYPE(GLshort)
725 FPTOOLS_CHECK_HTYPE(GLushort)
726 FPTOOLS_CHECK_HTYPE(GLint)
727 FPTOOLS_CHECK_HTYPE(GLuint)
728 FPTOOLS_CHECK_HTYPE(GLsizei)
729 FPTOOLS_CHECK_HTYPE(GLenum)
730 FPTOOLS_CHECK_HTYPE(GLbitfield)
731 FPTOOLS_CHECK_HTYPE(GLfloat)
732 FPTOOLS_CHECK_HTYPE(GLclampf)
733 FPTOOLS_CHECK_HTYPE(GLdouble)
734 FPTOOLS_CHECK_HTYPE(GLclampd)
735 fi
736
737 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
738
739 dnl ** can we open files in binary mode?
740 FPTOOLS_O_BINARY
741
742 dnl ** check for GetModuleFileName and WinExec (windows only)
743 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
744 dnl Doesn't work because the linker can't see the functions if
745 dnl you omit the #include <windows.h>.  (I've no idea why not...)
746
747 FPTOOLS_TRY_LINK_NOWARN(,[
748 #if HAVE_WINDOWS_H
749 #include <windows.h>
750 #endif
751 main() { 
752   WinExec("",0);
753   exit(0);
754 }
755 ],
756 [have_winexec=1],
757 [have_winexec=0])
758 if test "$have_winexec" = "1"; then
759 AC_DEFINE(HAVE_WINEXEC)
760 fi
761
762 FPTOOLS_TRY_LINK_NOWARN(,[
763 #if HAVE_WINDOWS_H
764 #include <windows.h>
765 #endif
766 main() { 
767   char* dir;
768   GetModuleFileName((HMODULE)0,dir,0);
769   exit(0);
770 }
771 ],
772 [have_getmodulefilename=1],
773 [have_getmodulefilename=0])
774 if test "$have_getmodulefilename" = "1"; then
775 AC_DEFINE(HAVE_GETMODULEFILENAME)
776 fi
777
778 dnl ** check return type of signal handlers
779 dnl Foo: assumes we can use prototypes.
780 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
781 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
782 dnl [AC_TRY_COMPILE([#include <sys/types.h>
783 dnl #include <signal.h>
784 dnl #ifdef signal
785 dnl #undef signal
786 dnl #endif
787 dnl void (*signal (int, void (*)(int)))(int);
788 dnl ],
789 dnl [int i;], 
790 dnl ac_cv_type_signal_handler=void_int,
791 dnl ac_cv_type_signal_handler=int_void)])
792 dnl if test "$ac_cv_type_signal_handler" = void_int; then
793 dnl AC_DEFINE(VOID_INT_SIGNALS)
794 dnl fi
795
796 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
797 AC_TYPE_SIGNAL
798 if test "$ac_cv_type_signal" = void; then
799 AC_DEFINE(VOID_INT_SIGNALS)
800 fi
801
802 dnl ** check for more functions
803 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
804 AC_CHECK_FUNCS(strcmp)
805 AC_CHECK_FUNCS(realpath _fullpath)  
806 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
807 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
808 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
809 AC_CHECK_FUNCS(snprintf  _snprintf )  
810 AC_CHECK_FUNCS(popen     _popen )  
811 AC_CHECK_FUNCS(pclose    _pclose )  
812
813
814 dnl ** check for specific library functions that we are interested in
815 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
816
817 dnl ** check whether this machine has gmp3 installed
818 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
819   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
820     HaveLibGmp=No; LibGmp=not-installed))
821 AC_SUBST(HaveLibGmp)
822 AC_SUBST(LibGmp)
823
824 dnl ** check whether this machine has GNU regex in libc.
825 FPTOOLS_REGEX_IN_LIBC
826
827 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
828 dnl    the order of these tests matters: bfd needs liberty
829 AC_CHECK_LIB(iberty, xmalloc)
830 AC_CHECK_LIB(bfd,    bfd_init)
831
832 dnl ** check for readline, for Hugs and hslibs' Readline
833 dnl ncurses supersedes termcap and curses, but for compatibility,
834 dnl we have to check for all...
835 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
836   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
837     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
838       HaveLibTermcap=NO; LibTermcap=not-installed)))
839
840 if test $HaveLibTermcap = YES ; then
841   LIBS="-l$LibTermcap $LIBS"
842   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
843 fi
844
845 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
846   AC_DEFINE(HAVE_READLINE_LIBS,1)
847   LibsReadline="readline $LibTermcap"
848 else
849   AC_DEFINE(HAVE_READLINE_LIBS,0)
850   LibsReadline=
851 fi
852 AC_SUBST(LibsReadline)
853
854 if test "$HaveLibReadline"; then
855   AC_CHECK_LIB(readline, rl_erase_empty_line,
856     [AC_DEFINE(HAVE_READLINE_4, 1)],
857     [AC_DEFINE(HAVE_READLINE_4, 0)])
858   AC_CHECK_LIB(readline, rl_free_undo_list,
859     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
860     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
861 else
862   AC_DEFINE(HAVE_READLINE_4, 0)
863   AC_DEFINE(HAVE_READLINE_4_2, 0)
864 fi
865
866 dnl ** check for math library
867 FPTOOLS_CHECK_LIBM()
868 AC_SUBST(LIBM)
869
870 case $HostOS_CPP in
871 cygwin32) ;;
872 mingw32)  ;;
873 *) AC_PATH_XTRA() ;;
874 esac
875
876 dnl ################################################################
877 dnl Check for libraries
878 dnl ################################################################
879
880 AC_CHECK_LIB(dl, dlopen, 
881         [HaveLibDL=YES
882          AC_DEFINE(HAVE_LIBDL)
883          LIBS="$LIBS -ldl"], 
884         [HaveLibDL=NO])
885 AC_CHECK_FUNCS(dlopen)
886 AC_SUBST(HaveLibDL)
887
888 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
889
890 dnl --------------------------------------------------
891 dnl * test for GTK+
892 dnl --------------------------------------------------
893
894 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
895 if test "$GTK_CONFIG" != ""; then
896    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
897         fptools_cv_gtk_version=`$GTK_CONFIG --version`
898     ])
899     GTK_VERSION=$fptools_cv_gtk_version
900 else
901     GTK_VERSION=
902 fi
903
904 case $fptools_cv_gtk_version in
905   1.[[23]].*) ;;
906   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
907      GTK_CONFIG=
908      ;;
909 esac
910
911 AC_SUBST(GTK_CONFIG)
912 AC_SUBST(GTK_VERSION)
913
914 dnl --------------------------------------------------
915 dnl * Miscellaneous feature tests
916 dnl --------------------------------------------------
917
918 dnl ** can we get alloca?
919 AC_FUNC_ALLOCA
920
921 dnl ** determine whether or not const works
922 AC_C_CONST
923
924 dnl ** determine whether ANSI-function prototypes work?
925 AC_C_PROTOTYPES          
926
927 dnl ** are we big endian?
928 AC_C_BIGENDIAN
929 # Allay users' general fear of warnings of any kind.
930 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
931 )
932
933 dnl ** check for leading underscores in symbol names
934 FPTOOLS_UNDERSCORE
935
936 dnl ** how is the end of text section signalled?
937 FPTOOLS_END_TEXT_SECTION
938
939 dnl ** how is the end of data section signalled?
940 FPTOOLS_END_DATA_SECTION
941
942 dnl ** code before data?
943 FPTOOLS_CODE_BEFORE_DATA
944
945
946 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )