[project @ 2001-04-18 07:49:07 by michaelw]
[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         ;;
211 m68k-next-nextstep2)
212         HostPlatform_CPP='m68k_next_nextstep2'
213         HostArch_CPP='m68k'
214         HostVendor_CPP='next'
215         HostOS_CPP='nextstep2'
216         ;;
217 m68k-next-nextstep3)
218         HostPlatform_CPP='m68k_next_nextstep3'
219         HostArch_CPP='m68k'
220         HostVendor_CPP='next'
221         HostOS_CPP='nextstep3'
222         ;;
223 i[[3456]]86-next-nextstep3)
224         HostPlatform=i386-next-nextstep3 # hack again
225         TargetPlatform=i386-next-nextstep3
226         BuildPlatform=i386-next-nextstep3
227         HostPlatform_CPP='i386_next_nextstep3'
228         HostArch_CPP='i386'
229         HostVendor_CPP='next'
230         HostOS_CPP='nextstep3'
231         ;;
232 m68k-sun-sunos4*)
233         HostPlatform=m68k-sun-sunos4
234         TargetPlatform=m68k-sun-sunos4 #hack
235         BuildPlatform=m68k-sun-sunos4 #hack
236         HostPlatform_CPP='m68k_sun_sunos4'
237         HostArch_CPP='m68k'
238         HostVendor_CPP='sun'
239         HostOS_CPP='sunos4'
240         ;;
241 mips-dec-ultrix*)
242         HostPlatform_CPP='mips_dec_ultrix'
243         HostArch_CPP='mipsel'   # NB a little different
244         HostVendor_CPP='dec'
245         HostOS_CPP='ultrix'
246         ;;
247 mips-sgi-irix*)
248         HostPlatform=mips-sgi-irix
249         TargetPlatform=mips-sgi-irix #hack
250         BuildPlatform=mips-sgi-irix #hack
251         HostPlatform_CPP='mips_sgi_irix'
252         HostArch_CPP='mipseb'   # NB a little different
253         HostVendor_CPP='sgi'
254         HostOS_CPP='irix'
255         ;;
256 rs6000-ibm-aix*)
257         HostPlatform=rs6000-ibm-aix
258         TargetPlatform=rs6000-ibm-aix #hack
259         BuildPlatform=rs6000-ibm-aix #hack
260         HostPlatform_CPP='rs6000_ibm_aix'
261         HostArch_CPP='rs6000'
262         HostVendor_CPP='ibm'
263         HostOS_CPP='aix'
264         ;;
265 powerpc-ibm-aix*)
266         HostPlatform=powerpc-ibm-aix
267         TargetPlatform=powerpc-ibm-aix #hack
268         BuildPlatform=powerpc-ibm-aix #hack
269         HostPlatform_CPP='powerpc_ibm_aix'
270         HostArch_CPP='powerpc'
271         HostVendor_CPP='ibm'
272         HostOS_CPP='aix'
273         ;;
274 powerpc-apple-macosx*)
275       HostPlatform=powerpc-apple-macosx
276       TargetPlatform=powerpc-apple-macosx #hack
277       BuildPlatform=powerpc-apple-macosx #hack
278         HostPlatform_CPP='powerpc_apple_macosx'
279         HostArch_CPP='powerpc'
280         HostVendor_CPP='apple'
281         HostOS_CPP='macosx'
282         ;;
283 sparc-sun-sunos4*)
284         HostPlatform=sparc-sun-sunos4
285         TargetPlatform=sparc-sun-sunos4 #hack
286         BuildPlatform=sparc-sun-sunos4 #hack
287         HostPlatform_CPP='sparc_sun_sunos4'
288         HostArch_CPP='sparc'
289         HostVendor_CPP='sun'
290         HostOS_CPP='sunos4'
291         ;;
292 sparc-sun-solaris2*)
293         HostPlatform=sparc-sun-solaris2
294         TargetPlatform=sparc-sun-solaris2 #hack
295         BuildPlatform=sparc-sun-solaris2 #hack
296         HostPlatform_CPP='sparc_sun_solaris2'
297         HostArch_CPP='sparc'
298         HostVendor_CPP='sun'
299         HostOS_CPP='solaris2'
300         ;;
301 *)
302         echo "Unrecognised platform: $HostPlatform"
303         exit 1
304         ;;
305 esac
306 echo "Canonicalised to: $HostPlatform"
307 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
308 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
309
310 BuildPlatform_CPP=$HostPlatform_CPP
311 TargetPlatform_CPP=$HostPlatform_CPP
312 BuildArch_CPP=$HostArch_CPP
313 TargetArch_CPP=$HostArch_CPP
314 BuildOS_CPP=$HostOS_CPP
315 HostOS_Full=$host_os
316 TargetOS_CPP=$HostOS_CPP
317 BuildVendor_CPP=$HostVendor_CPP
318 TargetVendor_CPP=$HostVendor_CPP
319
320 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
321 dnl AC_SUBST(BuildPlatform)
322
323 AC_SUBST(HostPlatform)
324 AC_SUBST(TargetPlatform)
325 AC_SUBST(HostPlatform_CPP)
326 dnl AC_SUBST(BuildPlatform_CPP)
327 dnl AC_SUBST(TargetPlatform_CPP)
328
329 AC_SUBST(HostArch_CPP)
330 dnl AC_SUBST(BuildArch_CPP)
331 dnl AC_SUBST(TargetArch_CPP)
332
333 AC_SUBST(HostOS_CPP)
334 AC_SUBST(HostOS_Full)
335 dnl AC_SUBST(BuildOS_CPP)
336 dnl AC_SUBST(TargetOS_CPP)
337
338 AC_SUBST(HostVendor_CPP)
339 dnl AC_SUBST(BuildVendor_CPP)
340 dnl AC_SUBST(TargetVendor_CPP)
341
342 AC_SUBST(exeext)
343
344 dnl --------------------------------------------------------------
345 dnl * Project specific configuration options
346 dnl --------------------------------------------------------------
347 dnl What follows is a bunch of options that can either be configured
348 dnl through command line options to the configure script or by
349 dnl supplying defns in the build tree's mk/build.mk. Having the option to
350 dnl use either is considered a Feature.
351
352 dnl ** What command to use to compile compiler sources ?
353 dnl --------------------------------------------------------------
354 if test "$GHC" = ""; then
355   AC_PATH_PROG(GHC,ghc)
356 fi
357
358 AC_ARG_WITH(ghc,
359 [  --with-ghc=<haskell compiler>
360         Use a command different from 'ghc' to compile GHC-specific Haskell code
361             (including GHC itself).
362 ],
363 [WithGhc="$withval"],
364 [WithGhc=$GHC]
365 )
366 AC_SUBST(WithGhc)
367
368 AC_ARG_WITH(hc,
369 [  --with-hc=<haskell compiler>
370         Use a command different from 'ghc' to compile generic Haskell code.
371 ],
372 [WithHc="$withval"],
373 [WithHc=$WithGhc]
374 )
375 AC_SUBST(WithHc)
376
377 if test "$WithGhc" != ""; then
378   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
379   AC_SUBST(GhcVersion)dnl
380   AC_SUBST(GhcMajVersion)dnl
381   AC_SUBST(GhcMinVersion)dnl
382   AC_SUBST(GhcPatchLevel)dnl
383 fi
384
385 AC_PATH_PROGS(NHC,nhc nhc98)
386 AC_PATH_PROG(HBC,hbc)
387
388 dnl ** Which gcc to use?
389 dnl --------------------------------------------------------------
390 AC_ARG_WITH(gcc,
391 [  --with-gcc=<gcc command>
392         Use a different command instead of 'gcc' for the GNU C compiler.
393 ],
394 [WhatGccIsCalled="$withval"],
395 [WhatGccIsCalled="gcc"]
396 )
397 AC_SUBST(WhatGccIsCalled)
398
399 dnl ** Booting from .hc files?
400 dnl --------------------------------------------------------------
401 AC_ARG_ENABLE(hc-boot,
402 [  --enable-hc-boot
403         Boot the Glasgow Haskell Compiler from intermediate .hc files.
404         (This option is mostly of interest to porters.)
405 ],
406 [BootingFromHc=YES],
407 [BootingFromHc=NO]
408 )
409 AC_SUBST(BootingFromHc)
410
411
412 dnl ** Enable the construction of Win32 DLLs?
413 dnl --------------------------------------------------------------
414 AC_ARG_ENABLE(win32-dlls,
415 [  --enable-win32-dlls
416         If on a Win32 platform running mingw32/cygwin, enable the
417         construction of DLLs containing ghc-compiled code.
418 ],
419 [
420 case $HostOS_CPP in
421 cygwin32) ;;
422 mingw32)  ;;
423 *)    echo "Unrecognised win32 platform: $HostPlatform"
424       exit 1
425       ;;
426 esac
427 EnableWin32DLLs=YES
428 ],
429 [EnableWin32DLLs=NO]
430 )
431 AC_SUBST(EnableWin32DLLs)
432 if test x"$EnableWin32DLLs" = "xYES" ; then
433  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
434 fi
435
436 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
437 dnl --------------------------------------------------------------
438 AC_ARG_ENABLE(hopengl,
439 [  --enable-hopengl
440         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
441         (This option is only relevant when hslibs are built.)
442 ],
443 [GhcLibsWithHOpenGL=YES],
444 [GhcLibsWithHOpenGL=NO]
445 )
446 AC_SUBST(GhcLibsWithHOpenGL)
447
448 dnl ** Use a specific version of the GLUT API
449 dnl --------------------------------------------------------------
450 AC_ARG_WITH(glut-api,
451 [  --with-glut-api=<version>
452         Use a specific version of the GLUT API when building HOpenGL.
453 ])
454 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
455
456
457 dnl ** Use a specific version of the GLUT API
458 dnl --------------------------------------------------------------
459 AC_ARG_WITH(glut-xlib,
460 [  --with-glut-xlib=<version>
461         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
462 ])
463 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
464
465
466 dnl --------------------------------------------------------------
467 dnl End of configure script option section
468 dnl --------------------------------------------------------------
469
470
471 dnl --------------------------------------------------------------
472 dnl * General configuration checks
473 dnl --------------------------------------------------------------
474
475 dnl ** does #! work?
476 AC_SYS_INTERPRETER()
477
478 dnl ** look for `perl', but only in /bin on Windows
479 case $HostOS_CPP in
480 cygwin32|mingw32)
481    AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
482    if test -z "$PerlCmd"; then
483       echo "You must install the version of Perl shipped with GHC"
484       echo "(or a compatible one) in /bin."
485       exit 1
486    fi
487    ;;
488 *)
489    AC_PATH_PROG(PerlCmd,perl)
490    if test -z "$PerlCmd"; then
491       echo "You must install perl before you can continue"
492       echo "Perhaps it is already installed, but not in your PATH?"
493       exit 1
494    else
495    FPTOOLS_CHECK_PERL_VERSION
496    fi
497    ;;
498 esac
499
500 dnl ** does #! path/to/perl work? (sometimes it's too long...)
501 FPTOOLS_SHEBANG_PERL
502
503
504 dnl ** look for GCC and find out which version
505 dnl     Figure out which C compiler to use.  Gcc is preferred.
506 dnl     If gcc, make sure it's at least 2.1
507 dnl
508 AC_PROG_CC
509 FPTOOLS_HAVE_GCC
510
511 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
512 AC_PROG_CPP
513 case $HostOS_CPP in
514 mingw32)
515    CPP="$CPP -mno-cygwin -mwin32"
516    ;;
517 esac
518
519 dnl ** figure out how to do context diffs
520 FPTOOLS_PROG_DIFF
521
522 dnl ** Find find command (for Win32's benefit)
523 AC_PATH_PROG(FindCmd, find)
524
525 dnl ** look for a decent parser generator (bison preferred)
526 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
527 dnl  on the suitability of the 'yacc' returned.)
528 FPTOOLS_PROG_YACCY
529
530 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
531 dnl     ( not that we care about the latter, see mk/config.mk.in )
532 AC_PROG_LEX
533
534
535 dnl ** figure out how to do a BSD-ish install
536 AC_PROG_INSTALL
537
538 dnl If you can run configure, you certainly have /bin/sh
539 AC_DEFINE(HAVE_BIN_SH)
540
541 dnl ** how to invoke `ar' and `ranlib'
542 FPTOOLS_PROG_AR_AND_RANLIB
543
544
545 dnl ** Check to see whether ln -s works
546 AC_PROG_LN_S
547
548
549 dnl ** Find the path to sed
550 AC_PATH_PROG(SedCmd,sed)
551
552
553 dnl ** check for time command
554 AC_PATH_PROG(TimeCmd,time)
555
556
557 dnl ** check for tar
558 dnl   if GNU tar is named gtar, look for it first.
559 AC_PATH_PROGS(TarCmd,gtar tar,tar)
560
561 dnl ** check for gzip/compress
562 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
563
564 dnl ** check for jade/openjade & determine a working catalog
565 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
566 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
567                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
568 if test -z "$Catalog"; then
569   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
570 fi
571 AC_SUBST(Catalog)
572
573 compress_nm=`basename $CompressCmd`
574 if test x"$compress_nm" = xgzip; then
575   CompressCmd="$CompressCmd -d"
576   CompressSuffix="gz"
577 else
578   CompressSuffix="Z"
579 fi
580 AC_SUBST(CompressCmd)
581 AC_SUBST(CompressSuffix)
582
583 dnl ** check for installed happy binary + version
584 dnl    (don't do it if we're booting from .hc files though.)
585 if test "$BootingFromHc" = "NO"; then
586 FPTOOLS_HAPPY
587 fi;
588
589 dnl --------------------------------------------------
590 dnl ### program checking section ends here ###
591 dnl --------------------------------------------------
592
593 dnl --------------------------------------------------
594 dnl * Platform header file and syscall feature tests
595 dnl ### checking the state of the local header files and syscalls ###
596
597 dnl ** check for full ANSI header (.h) files
598 AC_HEADER_STDC
599
600 dnl ** check for specific header (.h) files that we are interested in
601 AC_CHECK_HEADERS(Files.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 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/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)
602
603 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
604 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
605
606 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
607   HaveReadlineHeaders=YES
608   AC_DEFINE(HAVE_READLINE_HEADERS,1)
609 else
610   HaveReadlineHeaders=NO
611   AC_DEFINE(HAVE_READLINE_HEADERS,0)
612 fi
613 AC_SUBST(HaveReadlineHeaders)
614
615 dnl ** check for DOS include files
616 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
617
618 dnl ** check for Windows include files
619 AC_CHECK_HEADERS(windows.h)
620
621 dnl ** check for OpenGL include files
622 AC_CHECK_HEADERS(GL/gl.h)
623
624 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
625 AC_HEADER_TIME
626
627 dnl dynamic loading include files
628 AC_CHECK_HEADERS(dlfcn.h dl.h) 
629
630 dnl ** check for farcalloc (in bcc)
631 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
632
633 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
634 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
635
636 dnl ** how do we get a timezone name, and UTC offset ?
637 AC_STRUCT_TIMEZONE
638
639 dnl ** what's the type of timezone?
640 FPTOOLS_HAVE_TIMEZONE
641 FPTOOLS_TYPE_TIMEZONE
642
643 dnl ** do we have altzone?
644 FPTOOLS_ALTZONE
645
646 dnl ** does struct stat contain st_blksize?
647 AC_STRUCT_ST_BLKSIZE
648
649 dnl ** do we have long longs?
650 FPTOOLS_C_LONG_LONG
651
652 dnl ** what are the sizes of various types
653 dnl    (these must come before GHC_CHECK_ALIGNMENT)
654 AC_CHECK_SIZEOF(char,               1)
655 AC_CHECK_SIZEOF(double,             8)
656 AC_CHECK_SIZEOF(float,              4)
657 AC_CHECK_SIZEOF(int,                4)
658 AC_CHECK_SIZEOF(long,               4)
659 if test "$fptools_cv_have_long_long" = yes; then
660 AC_CHECK_SIZEOF(long long,          8)
661 fi
662 AC_CHECK_SIZEOF(short,              2)
663 AC_CHECK_SIZEOF(unsigned char,      1)
664 AC_CHECK_SIZEOF(unsigned int,       4)
665 AC_CHECK_SIZEOF(unsigned long,      4)
666 if test "$fptools_cv_have_long_long" = yes; then
667 AC_CHECK_SIZEOF(unsigned long long, 8)
668 fi
669 AC_CHECK_SIZEOF(unsigned short,     2)
670 AC_CHECK_SIZEOF(void *,             4)
671
672 dnl ** what are alignment constraints on various types
673 FPTOOLS_CHECK_ALIGNMENT(char)
674 FPTOOLS_CHECK_ALIGNMENT(double)
675 FPTOOLS_CHECK_ALIGNMENT(float)
676 FPTOOLS_CHECK_ALIGNMENT(int)
677 FPTOOLS_CHECK_ALIGNMENT(long)
678 if test "$fptools_cv_have_long_long" = yes; then
679 FPTOOLS_CHECK_ALIGNMENT(long long)
680 fi
681 FPTOOLS_CHECK_ALIGNMENT(short)
682 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
683 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
684 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
685 if test "$fptools_cv_have_long_long" = yes; then
686 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
687 fi
688 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
689 FPTOOLS_CHECK_ALIGNMENT(void *)
690
691 dnl ** map standard C types and ISO types to Haskell types
692 FPTOOLS_CHECK_HTYPE(char)
693 FPTOOLS_CHECK_HTYPE(signed char)
694 FPTOOLS_CHECK_HTYPE(unsigned char)
695 FPTOOLS_CHECK_HTYPE(short)
696 FPTOOLS_CHECK_HTYPE(unsigned short)
697 FPTOOLS_CHECK_HTYPE(int)
698 FPTOOLS_CHECK_HTYPE(unsigned int)
699 FPTOOLS_CHECK_HTYPE(long)
700 FPTOOLS_CHECK_HTYPE(unsigned long)
701 if test "$fptools_cv_have_long_long" = yes; then
702 FPTOOLS_CHECK_HTYPE(long long)
703 FPTOOLS_CHECK_HTYPE(unsigned long long)
704 fi
705 FPTOOLS_CHECK_HTYPE(float)
706 FPTOOLS_CHECK_HTYPE(double)
707 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
708 FPTOOLS_CHECK_HTYPE(size_t)
709 FPTOOLS_CHECK_HTYPE(wchar_t)
710 dnl Int32 is a HACK for non-ISO C compilers
711 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
712 FPTOOLS_CHECK_HTYPE(clock_t)
713 FPTOOLS_CHECK_HTYPE(time_t)
714
715 dnl ** Map OpenGL data types to Haskell types
716 if test $GhcLibsWithHOpenGL = YES ; then
717 FPTOOLS_CHECK_HTYPE(GLboolean)
718 FPTOOLS_CHECK_HTYPE(GLbyte)
719 FPTOOLS_CHECK_HTYPE(GLubyte)
720 FPTOOLS_CHECK_HTYPE(GLshort)
721 FPTOOLS_CHECK_HTYPE(GLushort)
722 FPTOOLS_CHECK_HTYPE(GLint)
723 FPTOOLS_CHECK_HTYPE(GLuint)
724 FPTOOLS_CHECK_HTYPE(GLsizei)
725 FPTOOLS_CHECK_HTYPE(GLenum)
726 FPTOOLS_CHECK_HTYPE(GLbitfield)
727 FPTOOLS_CHECK_HTYPE(GLfloat)
728 FPTOOLS_CHECK_HTYPE(GLclampf)
729 FPTOOLS_CHECK_HTYPE(GLdouble)
730 FPTOOLS_CHECK_HTYPE(GLclampd)
731 fi
732
733 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
734
735 dnl ** can we open files in binary mode?
736 FPTOOLS_O_BINARY
737
738 dnl ** check for GetModuleFileName and WinExec (windows only)
739 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
740 dnl Doesn't work because the linker can't see the functions if
741 dnl you omit the #include <windows.h>.  (I've no idea why not...)
742
743 FPTOOLS_TRY_LINK_NOWARN(,[
744 #if HAVE_WINDOWS_H
745 #include <windows.h>
746 #endif
747 main() { 
748   WinExec("",0);
749   exit(0);
750 }
751 ],
752 [have_winexec=1],
753 [have_winexec=0])
754 if test "$have_winexec" = "1"; then
755 AC_DEFINE(HAVE_WINEXEC)
756 fi
757
758 FPTOOLS_TRY_LINK_NOWARN(,[
759 #if HAVE_WINDOWS_H
760 #include <windows.h>
761 #endif
762 main() { 
763   char* dir;
764   GetModuleFileName((HMODULE)0,dir,0);
765   exit(0);
766 }
767 ],
768 [have_getmodulefilename=1],
769 [have_getmodulefilename=0])
770 if test "$have_getmodulefilename" = "1"; then
771 AC_DEFINE(HAVE_GETMODULEFILENAME)
772 fi
773
774 dnl ** check return type of signal handlers
775 dnl Foo: assumes we can use prototypes.
776 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
777 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
778 dnl [AC_TRY_COMPILE([#include <sys/types.h>
779 dnl #include <signal.h>
780 dnl #ifdef signal
781 dnl #undef signal
782 dnl #endif
783 dnl void (*signal (int, void (*)(int)))(int);
784 dnl ],
785 dnl [int i;], 
786 dnl ac_cv_type_signal_handler=void_int,
787 dnl ac_cv_type_signal_handler=int_void)])
788 dnl if test "$ac_cv_type_signal_handler" = void_int; then
789 dnl AC_DEFINE(VOID_INT_SIGNALS)
790 dnl fi
791
792 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
793 AC_TYPE_SIGNAL
794 if test "$ac_cv_type_signal" = void; then
795 AC_DEFINE(VOID_INT_SIGNALS)
796 fi
797
798 dnl ** check for more functions
799 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
800 AC_CHECK_FUNCS(strcmp)
801 AC_CHECK_FUNCS(realpath _fullpath)  
802 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
803 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
804 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
805 AC_CHECK_FUNCS(snprintf  _snprintf )  
806 AC_CHECK_FUNCS(popen     _popen )  
807 AC_CHECK_FUNCS(pclose    _pclose )  
808
809
810 dnl ** check for specific library functions that we are interested in
811 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
812
813 dnl ** check whether this machine has gmp3 installed
814 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
815   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
816     HaveLibGmp=No; LibGmp=not-installed))
817 AC_SUBST(HaveLibGmp)
818 AC_SUBST(LibGmp)
819
820 dnl ** check whether this machine has GNU regex in libc.
821 FPTOOLS_REGEX_IN_LIBC
822
823 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
824 dnl    the order of these tests matters: bfd needs liberty
825 AC_CHECK_LIB(iberty, xmalloc)
826 AC_CHECK_LIB(bfd,    bfd_init)
827
828 dnl ** check for readline, for Hugs and hslibs' Readline
829 dnl ncurses supersedes termcap and curses, but for compatibility,
830 dnl we have to check for all...
831 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
832   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
833     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
834       HaveLibTermcap=NO; LibTermcap=not-installed)))
835
836 if test $HaveLibTermcap = YES ; then
837   LIBS="-l$LibTermcap $LIBS"
838   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
839 fi
840
841 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
842   AC_DEFINE(HAVE_READLINE_LIBS,1)
843   LibsReadline="-lreadline -l$LibTermcap"
844 else
845   AC_DEFINE(HAVE_READLINE_LIBS,0)
846   LibsReadline=
847 fi
848 AC_SUBST(LibsReadline)
849
850 if test "$HaveLibReadline"; then
851   AC_CHECK_LIB(readline, rl_erase_empty_line,
852     [AC_DEFINE(HAVE_READLINE_4, 1)],
853     [AC_DEFINE(HAVE_READLINE_4, 0)])
854 else
855   AC_DEFINE(HAVE_READLINE_4, 0)
856 fi
857
858 dnl ** check for math library
859 FPTOOLS_CHECK_LIBM()
860 AC_SUBST(LIBM)
861
862 dnl ################################################################
863 dnl Check for libraries
864 dnl ################################################################
865
866 AC_CHECK_LIB(dl, dlopen, 
867         [HaveLibDL=YES
868          AC_DEFINE(HAVE_LIBDL)
869          LIBS="$LIBS -ldl"], 
870         [HaveLibDL=NO])
871 AC_CHECK_FUNCS(dlopen)
872 AC_SUBST(HaveLibDL)
873
874 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
875
876 dnl --------------------------------------------------
877 dnl * test for GTK+
878 dnl --------------------------------------------------
879
880 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
881 if test "$GTK_CONFIG" != ""; then
882    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
883         fptools_cv_gtk_version=`$GTK_CONFIG --version`
884     ])
885     GTK_VERSION=$fptools_cv_gtk_version
886 else
887     GTK_VERSION=
888 fi
889
890 case $fptools_cv_gtk_version in
891   1.[[23]].*) ;;
892   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
893      GTK_CONFIG=
894      ;;
895 esac
896
897 AC_SUBST(GTK_CONFIG)
898 AC_SUBST(GTK_VERSION)
899
900 dnl --------------------------------------------------
901 dnl * Miscellaneous feature tests
902 dnl --------------------------------------------------
903
904 dnl ** can we get alloca?
905 AC_FUNC_ALLOCA
906
907 dnl ** determine whether or not const works
908 AC_C_CONST
909
910 dnl ** determine whether ANSI-function prototypes work?
911 AC_C_PROTOTYPES          
912
913 dnl ** are we big endian?
914 AC_C_BIGENDIAN
915 # Allay users' general fear of warnings of any kind.
916 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
917 )
918
919 dnl ** check for leading underscores in symbol names
920 FPTOOLS_UNDERSCORE
921
922 dnl ** how is the end of text section signalled?
923 FPTOOLS_END_TEXT_SECTION
924
925 dnl ** how is the end of data section signalled?
926 FPTOOLS_END_DATA_SECTION
927
928 dnl ** code before data?
929 FPTOOLS_CODE_BEFORE_DATA
930
931 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )