[project @ 2002-03-26 16:36:09 by stolz]
[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: $hardtop"
47 # subst of hardtop is done below after we've computed hardtop_plat.
48
49 dnl--------------------------------------------------------------------
50 dnl * Choose host(/target/build) platform
51 dnl--------------------------------------------------------------------
52
53 dnl Guess host/target/build platform(s) if necessary.
54 AC_CANONICAL_SYSTEM
55
56 # "$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-darwin*)
270         HostPlatform=powerpc-apple-darwin
271         TargetPlatform=powerpc-apple-darwin #hack
272         BuildPlatform=powerpc-apple-darwin #hack
273         HostPlatform_CPP='powerpc_apple_darwin'
274         HostArch_CPP='powerpc'
275         HostVendor_CPP='apple'
276         HostOS_CPP='darwin'
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 #
340 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
341 # (but with b-slashes being escaped).
342 case $HostPlatform in
343   i386-unknown-mingw32 | i386-unknown-cygwin32)
344         # get rid off /cygdrive/ prefix
345         hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
346         hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
347         ;;
348   *)
349         hardtop_plat=${hardtop}
350         ;;
351 esac
352 AC_SUBST(hardtop)
353 AC_SUBST(hardtop_plat)
354
355 dnl --------------------------------------------------------------
356 dnl * Project specific configuration options
357 dnl --------------------------------------------------------------
358 dnl What follows is a bunch of options that can either be configured
359 dnl through command line options to the configure script or by
360 dnl supplying defns in the build tree's mk/build.mk. Having the option to
361 dnl use either is considered a Feature.
362
363 dnl ** What command to use to compile compiler sources ?
364 dnl --------------------------------------------------------------
365
366 AC_ARG_WITH(ghc,
367 [  --with-ghc=<haskell compiler>
368         Use a command different from 'ghc' to compile GHC-specific Haskell code
369             (including GHC itself).
370 ],
371 [ WithGhc="$withval" ],
372
373   if test "$GHC" = ""; then
374     AC_PATH_PROG(GHC,ghc)
375   fi
376   WithGhc=$GHC
377 ]
378 )
379 AC_SUBST(WithGhc)
380
381 AC_ARG_WITH(hc,
382 [  --with-hc=<haskell compiler>
383         Use a command different from 'ghc' to compile generic Haskell code.
384 ],
385 [WithHc="$withval"],
386 [WithHc=$WithGhc]
387 )
388 AC_SUBST(WithHc)
389
390 if test "$WithGhc" != ""; then
391   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
392   AC_SUBST(GhcVersion)dnl
393   AC_SUBST(GhcMajVersion)dnl
394   AC_SUBST(GhcMinVersion)dnl
395   AC_SUBST(GhcPatchLevel)dnl
396 fi
397
398 AC_PATH_PROGS(NHC,nhc nhc98)
399 AC_PATH_PROG(HBC,hbc)
400
401 dnl ** Which gcc to use?
402 dnl --------------------------------------------------------------
403 AC_ARG_WITH(gcc,
404 [  --with-gcc=<gcc command>
405         Use a different command instead of 'gcc' for the GNU C compiler.
406 ],
407 [WhatGccIsCalled="$withval"
408  CC="$withval"],
409 [WhatGccIsCalled="gcc"]
410 )
411 AC_SUBST(WhatGccIsCalled)
412
413 dnl ** Booting from .hc files?
414 dnl --------------------------------------------------------------
415 AC_ARG_ENABLE(hc-boot,
416 [  --enable-hc-boot
417         Boot the Glasgow Haskell Compiler from intermediate .hc files.
418         (This option is mostly of interest to porters.)
419 ],
420 [BootingFromHc=YES],
421 [BootingFromHc=NO]
422 )
423 AC_SUBST(BootingFromHc)
424
425 dnl ** Booting from unregisterised .hc files?
426 dnl --------------------------------------------------------------
427 AC_ARG_ENABLE(hc-boot-unregisterised,
428 [  --enable-hc-boot-unregisterised
429         With --enable-hc-boot, treat the intermediate .hc files as
430         unregisterised rather than registerised code.
431         (This option is mostly of interest to porters.)
432 ],
433 [BootingFromUnregisterisedHc=YES],
434 [BootingFromUnregisterisedHc=NO]
435 )
436 AC_SUBST(BootingFromUnregisterisedHc)
437
438 if test "$BootingFromHc" = "NO"; then
439 if test "$BootingFromUnregisterisedHc" = "YES"; then
440 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
441 fi;
442 fi;
443
444
445 dnl ** Enable multi-thread friendly RTS?
446 dnl --------------------------------------------------------------
447 AC_ARG_ENABLE(threaded-rts,
448 [  --enable-threaded-rts
449         Support better interop with OS threads.
450 ],
451 [ThreadedRts=YES],
452 [ThreadedRts=NO]
453 )
454 AC_SUBST(ThreadedRts)
455
456 dnl ** Enable the construction of Win32 DLLs?
457 dnl --------------------------------------------------------------
458 AC_ARG_ENABLE(win32-dlls,
459 [  --enable-win32-dlls
460         If on a Win32 platform running mingw32/cygwin, enable the
461         construction of DLLs containing ghc-compiled code.
462 ],
463 [
464 case $HostOS_CPP in
465 cygwin32) ;;
466 mingw32)  ;;
467 *)    echo "Unrecognised win32 platform: $HostPlatform"
468       exit 1
469       ;;
470 esac
471 EnableWin32DLLs=YES
472 ],
473 [EnableWin32DLLs=NO]
474 )
475 AC_SUBST(EnableWin32DLLs)
476 if test x"$EnableWin32DLLs" = "xYES" ; then
477  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
478 fi
479
480 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
481 dnl --------------------------------------------------------------
482 AC_ARG_ENABLE(hopengl,
483 [  --enable-hopengl
484         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
485         (This option is only relevant when hslibs are built.)
486 ],
487 [GhcLibsWithHOpenGL=YES],
488 [GhcLibsWithHOpenGL=NO]
489 )
490 AC_SUBST(GhcLibsWithHOpenGL)
491
492 dnl ** Use a specific version of the GLUT API
493 dnl --------------------------------------------------------------
494 AC_ARG_WITH(glut-api,
495 [  --with-glut-api=<version>
496         Use a specific version of the GLUT API when building HOpenGL.
497 ])
498 test -n "$with_glut_api"  && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
499
500
501 dnl ** Use a specific version of the GLUT API
502 dnl --------------------------------------------------------------
503 AC_ARG_WITH(glut-xlib,
504 [  --with-glut-xlib=<version>
505         Use a specific version of the GLUT Xlib implementation when building HOpenGL.
506 ])
507 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
508
509
510
511
512 dnl --------------------------------------------------------------
513 dnl End of configure script option section
514 dnl --------------------------------------------------------------
515
516
517 dnl --------------------------------------------------------------
518 dnl * General configuration checks
519 dnl --------------------------------------------------------------
520
521 dnl ** does #! work?
522 AC_SYS_INTERPRETER()
523
524 dnl ** look for `perl', but only in /bin on Windows
525 case $HostOS_CPP in
526 cygwin32|mingw32)
527       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
528       if test -z "$PerlCmd"; then
529          echo "You must install the version of Perl shipped with GHC"
530          echo "(or a compatible one) in /bin."
531          exit 1
532       fi
533    ;;
534 *)
535    AC_PATH_PROG(PerlCmd,perl)
536    if test -z "$PerlCmd"; then
537       echo "You must install perl before you can continue"
538       echo "Perhaps it is already installed, but not in your PATH?"
539       exit 1
540    else
541    FPTOOLS_CHECK_PERL_VERSION
542    fi
543    ;;
544 esac
545
546 dnl ** does #! path/to/perl work? (sometimes it's too long...)
547 FPTOOLS_SHEBANG_PERL
548
549 dnl ** look for GCC and find out which version
550 dnl     Figure out which C compiler to use.  Gcc is preferred.
551 dnl     If gcc, make sure it's at least 2.1
552 dnl
553 AC_PROG_CC
554 FPTOOLS_HAVE_GCC
555
556 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
557 AC_PROG_CPP
558
559 dnl ** does the C compiler support the following options?
560 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
561
562 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN"
563 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
564 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
565 AC_SUBST(SRC_CC_OPTS)
566
567 dnl ** figure out how to do context diffs
568 FPTOOLS_PROG_DIFF
569
570 dnl ** Find find command (for Win32's benefit)
571 FPTOOLS_FIND_FIND
572
573 dnl ** look for a decent parser generator (bison preferred)
574 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
575 dnl  on the suitability of the 'yacc' returned.)
576 FPTOOLS_PROG_YACCY
577
578 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
579 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
580 dnl    exists if 'flex' doesn't.
581 AC_PROG_LEX_STRICT
582
583 dnl ** figure out how to do a BSD-ish install
584 AC_PROG_INSTALL
585
586 dnl If you can run configure, you certainly have /bin/sh
587 AC_DEFINE(HAVE_BIN_SH)
588
589 dnl ** how to invoke `ar' and `ranlib'
590 FPTOOLS_PROG_AR_AND_RANLIB
591
592 dnl ** Check to see whether ln -s works
593 AC_PROG_LN_S
594
595
596 dnl ** Find the path to sed
597 AC_PATH_PROG(SedCmd,sed)
598
599
600 dnl ** check for time command
601 AC_PATH_PROG(TimeCmd,time)
602
603
604 dnl ** check for tar
605 dnl   if GNU tar is named gtar, look for it first.
606 AC_PATH_PROGS(TarCmd,gtar tar,tar)
607
608 dnl ** check for gzip/compress
609 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
610
611 dnl ** check for jade/openjade & determine a working catalog
612 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
613 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
614                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
615 if test -z "$Catalog"; then
616   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
617 fi
618 case $Catalog in
619    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
620         Catalog=
621         ;;
622    glafp*) 
623         case $HostOS_CPP in
624            mingw32)
625               Catalog=`cygpath -w $hardtop/$Catalog`
626               ;;
627            *) Catalog=$hardtop/$Catalog
628               ;;
629         esac
630    ;;
631 esac   
632 AC_SUBST(Catalog)
633
634 compress_nm=`basename $CompressCmd`
635 if test x"$compress_nm" = xgzip; then
636   CompressCmd="$CompressCmd -d"
637   CompressSuffix="gz"
638 else
639   CompressSuffix="Z"
640 fi
641 AC_SUBST(CompressCmd)
642 AC_SUBST(CompressSuffix)
643
644 AC_ARG_ENABLE(src-tree-happy,
645 [  --enable-src-tree-happy
646         Build and use source tree (fptools/happy) version of happy.
647 ],
648 [UseSrcTreeHappy=YES],
649 [UseSrcTreeHappy=NO]
650 )
651 dnl ** check for installed happy binary + version
652 dnl    (don't do it if we're booting from .hc files though.)
653 if test "$BootingFromHc" = "NO"; then
654 FPTOOLS_HAPPY
655 fi;
656
657 dnl --------------------------------------------------
658 dnl ### program checking section ends here ###
659 dnl --------------------------------------------------
660
661 dnl --------------------------------------------------
662 dnl * Platform header file and syscall feature tests
663 dnl ### checking the state of the local header files and syscalls ###
664
665 dnl ** check for full ANSI header (.h) files
666 AC_HEADER_STDC
667
668 dnl ** check for specific header (.h) files that we are interested in
669 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h)
670
671 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
672 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
673
674 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
675   HaveReadlineHeaders=YES
676   AC_DEFINE(HAVE_READLINE_HEADERS,1)
677 else
678   HaveReadlineHeaders=NO
679   AC_DEFINE(HAVE_READLINE_HEADERS,0)
680 fi
681 AC_SUBST(HaveReadlineHeaders)
682
683 dnl ** check for DOS include files
684 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
685
686 dnl ** check for Windows include files
687 AC_CHECK_HEADERS(windows.h)
688
689 dnl ** check for OpenGL include files
690 AC_CHECK_HEADERS(GL/gl.h)
691
692 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
693 AC_HEADER_TIME
694
695 dnl dynamic loading include files
696 AC_CHECK_HEADERS(dlfcn.h dl.h) 
697
698 dnl ** check for farcalloc (in bcc)
699 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
700
701 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
702 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
703
704 dnl ** check for POSIX regex
705 HavePosixRegex=NO
706 AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
707 AC_SUBST(HavePosixRegex)
708
709 dnl ** how do we get a timezone name, and UTC offset ?
710 AC_STRUCT_TIMEZONE
711
712 dnl ** what's the type of timezone?
713 FPTOOLS_HAVE_TIMEZONE
714 FPTOOLS_TYPE_TIMEZONE
715
716 dnl ** do we have altzone?
717 FPTOOLS_ALTZONE
718
719 dnl ** does struct stat contain st_blksize?
720 AC_STRUCT_ST_BLKSIZE
721
722 dnl ** do we have long longs?
723 FPTOOLS_C_LONG_LONG
724
725 dnl ** what are the sizes of various types
726 dnl    (these must come before GHC_CHECK_ALIGNMENT)
727 AC_CHECK_SIZEOF(char,               1)
728 AC_CHECK_SIZEOF(double,             8)
729 AC_CHECK_SIZEOF(float,              4)
730 AC_CHECK_SIZEOF(int,                4)
731 AC_CHECK_SIZEOF(long,               4)
732 if test "$fptools_cv_have_long_long" = yes; then
733 AC_CHECK_SIZEOF(long long,          8)
734 fi
735 AC_CHECK_SIZEOF(short,              2)
736 AC_CHECK_SIZEOF(unsigned char,      1)
737 AC_CHECK_SIZEOF(unsigned int,       4)
738 AC_CHECK_SIZEOF(unsigned long,      4)
739 if test "$fptools_cv_have_long_long" = yes; then
740 AC_CHECK_SIZEOF(unsigned long long, 8)
741 fi
742 AC_CHECK_SIZEOF(unsigned short,     2)
743 AC_CHECK_SIZEOF(void *,             4)
744
745 dnl ** what are alignment constraints on various types
746 FPTOOLS_CHECK_ALIGNMENT(char)
747 FPTOOLS_CHECK_ALIGNMENT(double)
748 FPTOOLS_CHECK_ALIGNMENT(float)
749 FPTOOLS_CHECK_ALIGNMENT(int)
750 FPTOOLS_CHECK_ALIGNMENT(long)
751 if test "$fptools_cv_have_long_long" = yes; then
752 FPTOOLS_CHECK_ALIGNMENT(long long)
753 fi
754 FPTOOLS_CHECK_ALIGNMENT(short)
755 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
756 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
757 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
758 if test "$fptools_cv_have_long_long" = yes; then
759 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
760 fi
761 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
762 FPTOOLS_CHECK_ALIGNMENT(void *)
763
764 dnl ** map standard C types and ISO types to Haskell types
765 FPTOOLS_CHECK_HTYPE(char)
766 FPTOOLS_CHECK_HTYPE(signed char)
767 FPTOOLS_CHECK_HTYPE(unsigned char)
768 FPTOOLS_CHECK_HTYPE(short)
769 FPTOOLS_CHECK_HTYPE(unsigned short)
770 FPTOOLS_CHECK_HTYPE(int)
771 FPTOOLS_CHECK_HTYPE(unsigned int)
772 FPTOOLS_CHECK_HTYPE(long)
773 FPTOOLS_CHECK_HTYPE(unsigned long)
774 if test "$fptools_cv_have_long_long" = yes; then
775 FPTOOLS_CHECK_HTYPE(long long)
776 FPTOOLS_CHECK_HTYPE(unsigned long long)
777 fi
778 FPTOOLS_CHECK_HTYPE(float)
779 FPTOOLS_CHECK_HTYPE(double)
780 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
781 FPTOOLS_CHECK_HTYPE(size_t)
782 FPTOOLS_CHECK_HTYPE(wchar_t)
783 dnl Int32 is a HACK for non-ISO C compilers
784 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
785 FPTOOLS_CHECK_HTYPE(clock_t)
786 FPTOOLS_CHECK_HTYPE(time_t)
787 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
788 FPTOOLS_CHECK_HTYPE(ino_t)
789 FPTOOLS_CHECK_HTYPE(mode_t)
790 FPTOOLS_CHECK_HTYPE(off_t)
791 FPTOOLS_CHECK_HTYPE(pid_t)
792 FPTOOLS_CHECK_HTYPE(gid_t)
793 FPTOOLS_CHECK_HTYPE(uid_t)
794 FPTOOLS_CHECK_HTYPE(cc_t)
795 FPTOOLS_CHECK_HTYPE(speed_t)
796 FPTOOLS_CHECK_HTYPE(tcflag_t)
797 FPTOOLS_CHECK_HTYPE(nlink_t)
798 FPTOOLS_CHECK_HTYPE(ssize_t)
799
800 dnl ** Map OpenGL data types to Haskell types
801 if test $GhcLibsWithHOpenGL = YES ; then
802 FPTOOLS_CHECK_HTYPE(GLboolean)
803 FPTOOLS_CHECK_HTYPE(GLbyte)
804 FPTOOLS_CHECK_HTYPE(GLubyte)
805 FPTOOLS_CHECK_HTYPE(GLshort)
806 FPTOOLS_CHECK_HTYPE(GLushort)
807 FPTOOLS_CHECK_HTYPE(GLint)
808 FPTOOLS_CHECK_HTYPE(GLuint)
809 FPTOOLS_CHECK_HTYPE(GLsizei)
810 FPTOOLS_CHECK_HTYPE(GLenum)
811 FPTOOLS_CHECK_HTYPE(GLbitfield)
812 FPTOOLS_CHECK_HTYPE(GLfloat)
813 FPTOOLS_CHECK_HTYPE(GLclampf)
814 FPTOOLS_CHECK_HTYPE(GLdouble)
815 FPTOOLS_CHECK_HTYPE(GLclampd)
816 fi
817
818 dnl ** can we open files in binary mode?
819 FPTOOLS_O_BINARY
820
821 dnl ** check for GetModuleFileName and WinExec (windows only)
822 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
823 dnl Doesn't work because the linker can't see the functions if
824 dnl you omit the #include <windows.h>.  (I've no idea why not...)
825
826 FPTOOLS_TRY_LINK_NOWARN(,[
827 #if HAVE_WINDOWS_H
828 #include <windows.h>
829 #endif
830 main() { 
831   WinExec("",0);
832   exit(0);
833 }
834 ],
835 [have_winexec=1],
836 [have_winexec=0])
837 if test "$have_winexec" = "1"; then
838 AC_DEFINE(HAVE_WINEXEC)
839 fi
840
841 FPTOOLS_TRY_LINK_NOWARN(,[
842 #if HAVE_WINDOWS_H
843 #include <windows.h>
844 #endif
845 main() { 
846   char* dir;
847   GetModuleFileName((HMODULE)0,dir,0);
848   exit(0);
849 }
850 ],
851 [have_getmodulefilename=1],
852 [have_getmodulefilename=0])
853 if test "$have_getmodulefilename" = "1"; then
854 AC_DEFINE(HAVE_GETMODULEFILENAME)
855 fi
856
857 dnl ** check return type of signal handlers
858 dnl Foo: assumes we can use prototypes.
859 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
860 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
861 dnl [AC_TRY_COMPILE([#include <sys/types.h>
862 dnl #include <signal.h>
863 dnl #ifdef signal
864 dnl #undef signal
865 dnl #endif
866 dnl void (*signal (int, void (*)(int)))(int);
867 dnl ],
868 dnl [int i;], 
869 dnl ac_cv_type_signal_handler=void_int,
870 dnl ac_cv_type_signal_handler=int_void)])
871 dnl if test "$ac_cv_type_signal_handler" = void_int; then
872 dnl AC_DEFINE(VOID_INT_SIGNALS)
873 dnl fi
874
875 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
876 AC_TYPE_SIGNAL
877 if test "$ac_cv_type_signal" = void; then
878 AC_DEFINE(VOID_INT_SIGNALS)
879 fi
880
881 dnl ** check for more functions
882 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
883 AC_CHECK_FUNCS(strcmp)
884 AC_CHECK_FUNCS(realpath _fullpath)  
885 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
886 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
887 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
888 AC_CHECK_FUNCS(snprintf  _snprintf )  
889 AC_CHECK_FUNCS(popen     _popen )  
890 AC_CHECK_FUNCS(pclose    _pclose )  
891
892
893 dnl ** check for specific library functions that we are interested in
894 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)
895
896 dnl ** check whether this machine has gmp3 installed
897 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
898   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
899     HaveLibGmp=No; LibGmp=not-installed))
900 AC_SUBST(HaveLibGmp)
901 AC_SUBST(LibGmp)
902
903 dnl ** check whether this machine has GNU regex in libc.
904 FPTOOLS_REGEX_IN_LIBC
905
906 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
907 dnl    the order of these tests matters: bfd needs liberty
908 AC_CHECK_LIB(iberty, xmalloc)
909 AC_CHECK_LIB(bfd,    bfd_init)
910
911 dnl ** check for readline, for Hugs and hslibs' Readline
912 dnl ncurses supersedes termcap and curses, but for compatibility,
913 dnl we have to check for all...
914 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
915   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
916     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
917       HaveLibTermcap=NO; LibTermcap=not-installed)))
918
919 if test $HaveLibTermcap = YES ; then
920   LIBS="-l$LibTermcap $LIBS"
921   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
922 fi
923
924 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
925   AC_DEFINE(HAVE_READLINE_LIBS,1)
926   LibsReadline="readline $LibTermcap"
927 else
928   AC_DEFINE(HAVE_READLINE_LIBS,0)
929   LibsReadline=
930 fi
931 AC_SUBST(LibsReadline)
932
933 if test "$HaveLibReadline"; then
934   AC_CHECK_LIB(readline, rl_erase_empty_line,
935     [AC_DEFINE(HAVE_READLINE_4, 1)],
936     [AC_DEFINE(HAVE_READLINE_4, 0)])
937   AC_CHECK_LIB(readline, rl_free_undo_list,
938     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
939     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
940 else
941   AC_DEFINE(HAVE_READLINE_4, 0)
942   AC_DEFINE(HAVE_READLINE_4_2, 0)
943 fi
944
945 dnl ** check for math library
946 FPTOOLS_CHECK_LIBM()
947 AC_SUBST(LIBM)
948
949 case $HostOS_CPP in
950 cygwin32) ;;
951 mingw32)  ;;
952 *) AC_PATH_XTRA() ;;
953 esac
954
955 FPTOOLS_HAVE_OPENGL
956
957 dnl ################################################################
958 dnl Check for libraries
959 dnl ################################################################
960
961 dnl ** check for libdl & RTLD_NEXT
962
963 AC_CHECK_LIB(dl, dlopen, 
964         [HaveLibDL=YES
965          AC_DEFINE(HAVE_LIBDL)
966          LIBS="$LIBS -ldl"], 
967         [HaveLibDL=NO])
968 AC_CHECK_FUNCS(dlopen)
969 AC_SUBST(HaveLibDL)
970
971 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
972 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
973 AC_EGREP_CPP(yes,
974 [
975  #include <dlfcn.h>
976  #ifdef RTLD_NEXT
977         yes
978  #endif
979 ], [
980   AC_MSG_RESULT(yes)
981   AC_DEFINE(HAVE_RTLDNEXT)
982   HaveRtldNext=YES
983 ], [
984   AC_MSG_RESULT(no)
985   HaveRtldNext=NO
986   ])    
987 AC_SUBST(HaveRtldNext)
988
989 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
990
991 dnl --------------------------------------------------
992 dnl * test for GTK+
993 dnl --------------------------------------------------
994
995 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
996 if test "$GTK_CONFIG" != ""; then
997    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
998         fptools_cv_gtk_version=`$GTK_CONFIG --version`
999     ])
1000     GTK_VERSION=$fptools_cv_gtk_version
1001 else
1002     GTK_VERSION=
1003 fi
1004
1005 case $fptools_cv_gtk_version in
1006   1.[[23]].*) ;;
1007   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1008      GTK_CONFIG=
1009      ;;
1010 esac
1011
1012 AC_SUBST(GTK_CONFIG)
1013 AC_SUBST(GTK_VERSION)
1014
1015 dnl --------------------------------------------------
1016 dnl * Miscellaneous feature tests
1017 dnl --------------------------------------------------
1018
1019 dnl ** can we get alloca?
1020 AC_FUNC_ALLOCA
1021
1022 dnl ** determine whether or not const works
1023 AC_C_CONST
1024
1025 dnl ** determine whether ANSI-function prototypes work?
1026 AC_C_PROTOTYPES          
1027
1028 dnl ** are we big endian?
1029 AC_C_BIGENDIAN
1030 # Allay users' general fear of warnings of any kind.
1031 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1032 )
1033 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1034 )
1035
1036 dnl ** check for leading underscores in symbol names
1037 FPTOOLS_UNDERSCORE
1038
1039 dnl ** how is the end of text section signalled?
1040 FPTOOLS_END_TEXT_SECTION
1041
1042 dnl ** how is the end of data section signalled?
1043 FPTOOLS_END_DATA_SECTION
1044
1045 dnl ** code before data?
1046 FPTOOLS_CODE_BEFORE_DATA
1047
1048 dnl ** check for ld, and whether ld has -x option
1049 AC_PATH_PROG(LdCmdRaw, ld)
1050 case $HostOS_CPP in
1051  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1052            ;;
1053  *) LdCmd=${LdCmdRaw}
1054     ;;
1055 esac
1056 AC_SUBST(LdCmd)
1057 FPTOOLS_LD_X
1058
1059 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )