[project @ 2001-07-23 22:26:18 by ken]
[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[[345]]*)
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 "$PerlCmd"; then
489       echo "You must install perl before you can continue"
490       echo "Perhaps it is already installed, but not in your PATH?"
491       exit 1
492    else
493    FPTOOLS_CHECK_PERL_VERSION
494    fi
495    ;;
496 esac
497
498 dnl ** does #! path/to/perl work? (sometimes it's too long...)
499 FPTOOLS_SHEBANG_PERL
500
501 dnl ** look for GCC and find out which version
502 dnl     Figure out which C compiler to use.  Gcc is preferred.
503 dnl     If gcc, make sure it's at least 2.1
504 dnl
505 AC_PROG_CC
506 FPTOOLS_HAVE_GCC
507
508 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
509 AC_PROG_CPP
510
511 dnl ** does the C compiler support the following options?
512 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
513 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
514
515 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
516 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
517 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
518 AC_SUBST(SRC_CC_OPTS)
519
520 dnl ** figure out how to do context diffs
521 FPTOOLS_PROG_DIFF
522
523 dnl ** Find find command (for Win32's benefit)
524 AC_PATH_PROG(FindCmd, find)
525
526 dnl ** look for a decent parser generator (bison preferred)
527 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
528 dnl  on the suitability of the 'yacc' returned.)
529 FPTOOLS_PROG_YACCY
530
531 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
532 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
533 dnl    exists if 'flex' doesn't.
534 AC_PROG_LEX_STRICT
535
536 dnl ** figure out how to do a BSD-ish install
537 AC_PROG_INSTALL
538
539 dnl If you can run configure, you certainly have /bin/sh
540 AC_DEFINE(HAVE_BIN_SH)
541
542 dnl ** how to invoke `ar' and `ranlib'
543 FPTOOLS_PROG_AR_AND_RANLIB
544
545
546 dnl ** Check to see whether ln -s works
547 AC_PROG_LN_S
548
549
550 dnl ** Find the path to sed
551 AC_PATH_PROG(SedCmd,sed)
552
553
554 dnl ** check for time command
555 AC_PATH_PROG(TimeCmd,time)
556
557
558 dnl ** check for tar
559 dnl   if GNU tar is named gtar, look for it first.
560 AC_PATH_PROGS(TarCmd,gtar tar,tar)
561
562 dnl ** check for gzip/compress
563 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
564
565 dnl ** check for jade/openjade & determine a working catalog
566 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
567 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
568                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
569 if test -z "$Catalog"; then
570   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
571 fi
572 case $HostOS_CPP in
573    mingw32)
574       Catalog=`cygpath -w $hardtop/$Catalog`
575       ;;
576    *)
577       Catalog=$hardtop/$Catalog
578       ;;
579 esac   
580 AC_SUBST(Catalog)
581
582 compress_nm=`basename $CompressCmd`
583 if test x"$compress_nm" = xgzip; then
584   CompressCmd="$CompressCmd -d"
585   CompressSuffix="gz"
586 else
587   CompressSuffix="Z"
588 fi
589 AC_SUBST(CompressCmd)
590 AC_SUBST(CompressSuffix)
591
592 dnl ** check for installed happy binary + version
593 dnl    (don't do it if we're booting from .hc files though.)
594 if test "$BootingFromHc" = "NO"; then
595 FPTOOLS_HAPPY
596 fi;
597
598 dnl --------------------------------------------------
599 dnl ### program checking section ends here ###
600 dnl --------------------------------------------------
601
602 dnl --------------------------------------------------
603 dnl * Platform header file and syscall feature tests
604 dnl ### checking the state of the local header files and syscalls ###
605
606 dnl ** check for full ANSI header (.h) files
607 AC_HEADER_STDC
608
609 dnl ** check for specific header (.h) files that we are interested in
610 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)
611
612 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
613 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
614
615 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
616   HaveReadlineHeaders=YES
617   AC_DEFINE(HAVE_READLINE_HEADERS,1)
618 else
619   HaveReadlineHeaders=NO
620   AC_DEFINE(HAVE_READLINE_HEADERS,0)
621 fi
622 AC_SUBST(HaveReadlineHeaders)
623
624 dnl ** check for DOS include files
625 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
626
627 dnl ** check for Windows include files
628 AC_CHECK_HEADERS(windows.h)
629
630 dnl ** check for OpenGL include files
631 AC_CHECK_HEADERS(GL/gl.h)
632
633 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
634 AC_HEADER_TIME
635
636 dnl dynamic loading include files
637 AC_CHECK_HEADERS(dlfcn.h dl.h) 
638
639 dnl ** check for farcalloc (in bcc)
640 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
641
642 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
643 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
644
645 dnl ** how do we get a timezone name, and UTC offset ?
646 AC_STRUCT_TIMEZONE
647
648 dnl ** what's the type of timezone?
649 FPTOOLS_HAVE_TIMEZONE
650 FPTOOLS_TYPE_TIMEZONE
651
652 dnl ** do we have altzone?
653 FPTOOLS_ALTZONE
654
655 dnl ** does struct stat contain st_blksize?
656 AC_STRUCT_ST_BLKSIZE
657
658 dnl ** do we have long longs?
659 FPTOOLS_C_LONG_LONG
660
661 dnl ** what are the sizes of various types
662 dnl    (these must come before GHC_CHECK_ALIGNMENT)
663 AC_CHECK_SIZEOF(char,               1)
664 AC_CHECK_SIZEOF(double,             8)
665 AC_CHECK_SIZEOF(float,              4)
666 AC_CHECK_SIZEOF(int,                4)
667 AC_CHECK_SIZEOF(long,               4)
668 if test "$fptools_cv_have_long_long" = yes; then
669 AC_CHECK_SIZEOF(long long,          8)
670 fi
671 AC_CHECK_SIZEOF(short,              2)
672 AC_CHECK_SIZEOF(unsigned char,      1)
673 AC_CHECK_SIZEOF(unsigned int,       4)
674 AC_CHECK_SIZEOF(unsigned long,      4)
675 if test "$fptools_cv_have_long_long" = yes; then
676 AC_CHECK_SIZEOF(unsigned long long, 8)
677 fi
678 AC_CHECK_SIZEOF(unsigned short,     2)
679 AC_CHECK_SIZEOF(void *,             4)
680
681 dnl ** what are alignment constraints on various types
682 FPTOOLS_CHECK_ALIGNMENT(char)
683 FPTOOLS_CHECK_ALIGNMENT(double)
684 FPTOOLS_CHECK_ALIGNMENT(float)
685 FPTOOLS_CHECK_ALIGNMENT(int)
686 FPTOOLS_CHECK_ALIGNMENT(long)
687 if test "$fptools_cv_have_long_long" = yes; then
688 FPTOOLS_CHECK_ALIGNMENT(long long)
689 fi
690 FPTOOLS_CHECK_ALIGNMENT(short)
691 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
692 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
693 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
694 if test "$fptools_cv_have_long_long" = yes; then
695 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
696 fi
697 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
698 FPTOOLS_CHECK_ALIGNMENT(void *)
699
700 dnl ** map standard C types and ISO types to Haskell types
701 FPTOOLS_CHECK_HTYPE(char)
702 FPTOOLS_CHECK_HTYPE(signed char)
703 FPTOOLS_CHECK_HTYPE(unsigned char)
704 FPTOOLS_CHECK_HTYPE(short)
705 FPTOOLS_CHECK_HTYPE(unsigned short)
706 FPTOOLS_CHECK_HTYPE(int)
707 FPTOOLS_CHECK_HTYPE(unsigned int)
708 FPTOOLS_CHECK_HTYPE(long)
709 FPTOOLS_CHECK_HTYPE(unsigned long)
710 if test "$fptools_cv_have_long_long" = yes; then
711 FPTOOLS_CHECK_HTYPE(long long)
712 FPTOOLS_CHECK_HTYPE(unsigned long long)
713 fi
714 FPTOOLS_CHECK_HTYPE(float)
715 FPTOOLS_CHECK_HTYPE(double)
716 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
717 FPTOOLS_CHECK_HTYPE(size_t)
718 FPTOOLS_CHECK_HTYPE(wchar_t)
719 dnl Int32 is a HACK for non-ISO C compilers
720 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
721 FPTOOLS_CHECK_HTYPE(clock_t)
722 FPTOOLS_CHECK_HTYPE(time_t)
723
724 dnl ** Map OpenGL data types to Haskell types
725 if test $GhcLibsWithHOpenGL = YES ; then
726 FPTOOLS_CHECK_HTYPE(GLboolean)
727 FPTOOLS_CHECK_HTYPE(GLbyte)
728 FPTOOLS_CHECK_HTYPE(GLubyte)
729 FPTOOLS_CHECK_HTYPE(GLshort)
730 FPTOOLS_CHECK_HTYPE(GLushort)
731 FPTOOLS_CHECK_HTYPE(GLint)
732 FPTOOLS_CHECK_HTYPE(GLuint)
733 FPTOOLS_CHECK_HTYPE(GLsizei)
734 FPTOOLS_CHECK_HTYPE(GLenum)
735 FPTOOLS_CHECK_HTYPE(GLbitfield)
736 FPTOOLS_CHECK_HTYPE(GLfloat)
737 FPTOOLS_CHECK_HTYPE(GLclampf)
738 FPTOOLS_CHECK_HTYPE(GLdouble)
739 FPTOOLS_CHECK_HTYPE(GLclampd)
740 fi
741
742 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
743
744 dnl ** can we open files in binary mode?
745 FPTOOLS_O_BINARY
746
747 dnl ** check for GetModuleFileName and WinExec (windows only)
748 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
749 dnl Doesn't work because the linker can't see the functions if
750 dnl you omit the #include <windows.h>.  (I've no idea why not...)
751
752 FPTOOLS_TRY_LINK_NOWARN(,[
753 #if HAVE_WINDOWS_H
754 #include <windows.h>
755 #endif
756 main() { 
757   WinExec("",0);
758   exit(0);
759 }
760 ],
761 [have_winexec=1],
762 [have_winexec=0])
763 if test "$have_winexec" = "1"; then
764 AC_DEFINE(HAVE_WINEXEC)
765 fi
766
767 FPTOOLS_TRY_LINK_NOWARN(,[
768 #if HAVE_WINDOWS_H
769 #include <windows.h>
770 #endif
771 main() { 
772   char* dir;
773   GetModuleFileName((HMODULE)0,dir,0);
774   exit(0);
775 }
776 ],
777 [have_getmodulefilename=1],
778 [have_getmodulefilename=0])
779 if test "$have_getmodulefilename" = "1"; then
780 AC_DEFINE(HAVE_GETMODULEFILENAME)
781 fi
782
783 dnl ** check return type of signal handlers
784 dnl Foo: assumes we can use prototypes.
785 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
786 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
787 dnl [AC_TRY_COMPILE([#include <sys/types.h>
788 dnl #include <signal.h>
789 dnl #ifdef signal
790 dnl #undef signal
791 dnl #endif
792 dnl void (*signal (int, void (*)(int)))(int);
793 dnl ],
794 dnl [int i;], 
795 dnl ac_cv_type_signal_handler=void_int,
796 dnl ac_cv_type_signal_handler=int_void)])
797 dnl if test "$ac_cv_type_signal_handler" = void_int; then
798 dnl AC_DEFINE(VOID_INT_SIGNALS)
799 dnl fi
800
801 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
802 AC_TYPE_SIGNAL
803 if test "$ac_cv_type_signal" = void; then
804 AC_DEFINE(VOID_INT_SIGNALS)
805 fi
806
807 dnl ** check for more functions
808 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
809 AC_CHECK_FUNCS(strcmp)
810 AC_CHECK_FUNCS(realpath _fullpath)  
811 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
812 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
813 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
814 AC_CHECK_FUNCS(snprintf  _snprintf )  
815 AC_CHECK_FUNCS(popen     _popen )  
816 AC_CHECK_FUNCS(pclose    _pclose )  
817
818
819 dnl ** check for specific library functions that we are interested in
820 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
821
822 dnl ** check whether this machine has gmp3 installed
823 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
824   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
825     HaveLibGmp=No; LibGmp=not-installed))
826 AC_SUBST(HaveLibGmp)
827 AC_SUBST(LibGmp)
828
829 dnl ** check whether this machine has GNU regex in libc.
830 FPTOOLS_REGEX_IN_LIBC
831
832 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
833 dnl    the order of these tests matters: bfd needs liberty
834 AC_CHECK_LIB(iberty, xmalloc)
835 AC_CHECK_LIB(bfd,    bfd_init)
836
837 dnl ** check for readline, for Hugs and hslibs' Readline
838 dnl ncurses supersedes termcap and curses, but for compatibility,
839 dnl we have to check for all...
840 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
841   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
842     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
843       HaveLibTermcap=NO; LibTermcap=not-installed)))
844
845 if test $HaveLibTermcap = YES ; then
846   LIBS="-l$LibTermcap $LIBS"
847   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
848 fi
849
850 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
851   AC_DEFINE(HAVE_READLINE_LIBS,1)
852   LibsReadline="readline $LibTermcap"
853 else
854   AC_DEFINE(HAVE_READLINE_LIBS,0)
855   LibsReadline=
856 fi
857 AC_SUBST(LibsReadline)
858
859 if test "$HaveLibReadline"; then
860   AC_CHECK_LIB(readline, rl_erase_empty_line,
861     [AC_DEFINE(HAVE_READLINE_4, 1)],
862     [AC_DEFINE(HAVE_READLINE_4, 0)])
863   AC_CHECK_LIB(readline, rl_free_undo_list,
864     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
865     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
866 else
867   AC_DEFINE(HAVE_READLINE_4, 0)
868   AC_DEFINE(HAVE_READLINE_4_2, 0)
869 fi
870
871 dnl ** check for math library
872 FPTOOLS_CHECK_LIBM()
873 AC_SUBST(LIBM)
874
875 case $HostOS_CPP in
876 cygwin32) ;;
877 mingw32)  ;;
878 *) AC_PATH_XTRA() ;;
879 esac
880
881 dnl ################################################################
882 dnl Check for libraries
883 dnl ################################################################
884
885 AC_CHECK_LIB(dl, dlopen, 
886         [HaveLibDL=YES
887          AC_DEFINE(HAVE_LIBDL)
888          LIBS="$LIBS -ldl"], 
889         [HaveLibDL=NO])
890 AC_CHECK_FUNCS(dlopen)
891 AC_SUBST(HaveLibDL)
892
893 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
894
895 dnl --------------------------------------------------
896 dnl * test for GTK+
897 dnl --------------------------------------------------
898
899 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
900 if test "$GTK_CONFIG" != ""; then
901    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
902         fptools_cv_gtk_version=`$GTK_CONFIG --version`
903     ])
904     GTK_VERSION=$fptools_cv_gtk_version
905 else
906     GTK_VERSION=
907 fi
908
909 case $fptools_cv_gtk_version in
910   1.[[23]].*) ;;
911   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
912      GTK_CONFIG=
913      ;;
914 esac
915
916 AC_SUBST(GTK_CONFIG)
917 AC_SUBST(GTK_VERSION)
918
919 dnl --------------------------------------------------
920 dnl * Miscellaneous feature tests
921 dnl --------------------------------------------------
922
923 dnl ** can we get alloca?
924 AC_FUNC_ALLOCA
925
926 dnl ** determine whether or not const works
927 AC_C_CONST
928
929 dnl ** determine whether ANSI-function prototypes work?
930 AC_C_PROTOTYPES          
931
932 dnl ** are we big endian?
933 AC_C_BIGENDIAN
934 # Allay users' general fear of warnings of any kind.
935 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
936 )
937 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
938 )
939
940 dnl ** check for leading underscores in symbol names
941 FPTOOLS_UNDERSCORE
942
943 dnl ** how is the end of text section signalled?
944 FPTOOLS_END_TEXT_SECTION
945
946 dnl ** how is the end of data section signalled?
947 FPTOOLS_END_DATA_SECTION
948
949 dnl ** code before data?
950 FPTOOLS_CODE_BEFORE_DATA
951
952
953 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )