[project @ 2002-01-31 10:42:27 by sof]
[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 "$PerlCmd"; then
537       echo "You must install perl before you can continue"
538       echo "Perhaps it is already installed, but not in your PATH?"
539       exit 1
540    else
541    FPTOOLS_CHECK_PERL_VERSION
542    fi
543    ;;
544 esac
545
546 dnl ** does #! path/to/perl work? (sometimes it's too long...)
547 FPTOOLS_SHEBANG_PERL
548
549 dnl ** look for GCC and find out which version
550 dnl     Figure out which C compiler to use.  Gcc is preferred.
551 dnl     If gcc, make sure it's at least 2.1
552 dnl
553 AC_PROG_CC
554 FPTOOLS_HAVE_GCC
555
556 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
557 AC_PROG_CPP
558
559 dnl ** does the C compiler support the following options?
560 FPTOOLS_CC_FLAG(-mwin32,CC_SUPPORTS_MWIN32)
561 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
562
563 EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $CC_SUPPORTS_MWIN32"
564 SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
565 CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
566 AC_SUBST(SRC_CC_OPTS)
567
568 dnl ** figure out how to do context diffs
569 FPTOOLS_PROG_DIFF
570
571 dnl ** Find find command (for Win32's benefit)
572 FPTOOLS_FIND_FIND
573
574 dnl ** look for a decent parser generator (bison preferred)
575 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
576 dnl  on the suitability of the 'yacc' returned.)
577 FPTOOLS_PROG_YACCY
578
579 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
580 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
581 dnl    exists if 'flex' doesn't.
582 AC_PROG_LEX_STRICT
583
584 dnl ** figure out how to do a BSD-ish install
585 AC_PROG_INSTALL
586
587 dnl If you can run configure, you certainly have /bin/sh
588 AC_DEFINE(HAVE_BIN_SH)
589
590 dnl ** how to invoke `ar' and `ranlib'
591 FPTOOLS_PROG_AR_AND_RANLIB
592
593 dnl ** Check to see whether ln -s works
594 AC_PROG_LN_S
595
596
597 dnl ** Find the path to sed
598 AC_PATH_PROG(SedCmd,sed)
599
600
601 dnl ** check for time command
602 AC_PATH_PROG(TimeCmd,time)
603
604
605 dnl ** check for tar
606 dnl   if GNU tar is named gtar, look for it first.
607 AC_PATH_PROGS(TarCmd,gtar tar,tar)
608
609 dnl ** check for gzip/compress
610 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
611
612 dnl ** check for jade/openjade & determine a working catalog
613 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
614 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
615                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
616 if test -z "$Catalog"; then
617   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
618 fi
619 case $Catalog in
620    glafp*) 
621         case $HostOS_CPP in
622            mingw32)
623               Catalog=`cygpath -w $hardtop/$Catalog`
624               ;;
625            *) Catalog=$hardtop/$Catalog
626               ;;
627         esac
628    ;;
629 esac   
630 AC_SUBST(Catalog)
631
632 compress_nm=`basename $CompressCmd`
633 if test x"$compress_nm" = xgzip; then
634   CompressCmd="$CompressCmd -d"
635   CompressSuffix="gz"
636 else
637   CompressSuffix="Z"
638 fi
639 AC_SUBST(CompressCmd)
640 AC_SUBST(CompressSuffix)
641
642 AC_ARG_ENABLE(src-tree-happy,
643 [  --enable-src-tree-happy
644         Build and use source tree (fptools/happy) version of happy.
645 ],
646 [UseSrcTreeHappy=YES],
647 [UseSrcTreeHappy=NO]
648 )
649 dnl ** check for installed happy binary + version
650 dnl    (don't do it if we're booting from .hc files though.)
651 if test "$BootingFromHc" = "NO"; then
652 FPTOOLS_HAPPY
653 fi;
654
655 dnl --------------------------------------------------
656 dnl ### program checking section ends here ###
657 dnl --------------------------------------------------
658
659 dnl --------------------------------------------------
660 dnl * Platform header file and syscall feature tests
661 dnl ### checking the state of the local header files and syscalls ###
662
663 dnl ** check for full ANSI header (.h) files
664 AC_HEADER_STDC
665
666 dnl ** check for specific header (.h) files that we are interested in
667 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)
668
669 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
670 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
671
672 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
673   HaveReadlineHeaders=YES
674   AC_DEFINE(HAVE_READLINE_HEADERS,1)
675 else
676   HaveReadlineHeaders=NO
677   AC_DEFINE(HAVE_READLINE_HEADERS,0)
678 fi
679 AC_SUBST(HaveReadlineHeaders)
680
681 dnl ** check for DOS include files
682 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
683
684 dnl ** check for Windows include files
685 AC_CHECK_HEADERS(windows.h)
686
687 dnl ** check for OpenGL include files
688 AC_CHECK_HEADERS(GL/gl.h)
689
690 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
691 AC_HEADER_TIME
692
693 dnl dynamic loading include files
694 AC_CHECK_HEADERS(dlfcn.h dl.h) 
695
696 dnl ** check for farcalloc (in bcc)
697 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
698
699 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
700 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
701
702 dnl ** how do we get a timezone name, and UTC offset ?
703 AC_STRUCT_TIMEZONE
704
705 dnl ** what's the type of timezone?
706 FPTOOLS_HAVE_TIMEZONE
707 FPTOOLS_TYPE_TIMEZONE
708
709 dnl ** do we have altzone?
710 FPTOOLS_ALTZONE
711
712 dnl ** does struct stat contain st_blksize?
713 AC_STRUCT_ST_BLKSIZE
714
715 dnl ** do we have long longs?
716 FPTOOLS_C_LONG_LONG
717
718 dnl ** what are the sizes of various types
719 dnl    (these must come before GHC_CHECK_ALIGNMENT)
720 AC_CHECK_SIZEOF(char,               1)
721 AC_CHECK_SIZEOF(double,             8)
722 AC_CHECK_SIZEOF(float,              4)
723 AC_CHECK_SIZEOF(int,                4)
724 AC_CHECK_SIZEOF(long,               4)
725 if test "$fptools_cv_have_long_long" = yes; then
726 AC_CHECK_SIZEOF(long long,          8)
727 fi
728 AC_CHECK_SIZEOF(short,              2)
729 AC_CHECK_SIZEOF(unsigned char,      1)
730 AC_CHECK_SIZEOF(unsigned int,       4)
731 AC_CHECK_SIZEOF(unsigned long,      4)
732 if test "$fptools_cv_have_long_long" = yes; then
733 AC_CHECK_SIZEOF(unsigned long long, 8)
734 fi
735 AC_CHECK_SIZEOF(unsigned short,     2)
736 AC_CHECK_SIZEOF(void *,             4)
737
738 dnl ** what are alignment constraints on various types
739 FPTOOLS_CHECK_ALIGNMENT(char)
740 FPTOOLS_CHECK_ALIGNMENT(double)
741 FPTOOLS_CHECK_ALIGNMENT(float)
742 FPTOOLS_CHECK_ALIGNMENT(int)
743 FPTOOLS_CHECK_ALIGNMENT(long)
744 if test "$fptools_cv_have_long_long" = yes; then
745 FPTOOLS_CHECK_ALIGNMENT(long long)
746 fi
747 FPTOOLS_CHECK_ALIGNMENT(short)
748 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
749 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
750 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
751 if test "$fptools_cv_have_long_long" = yes; then
752 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
753 fi
754 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
755 FPTOOLS_CHECK_ALIGNMENT(void *)
756
757 dnl ** map standard C types and ISO types to Haskell types
758 FPTOOLS_CHECK_HTYPE(char)
759 FPTOOLS_CHECK_HTYPE(signed char)
760 FPTOOLS_CHECK_HTYPE(unsigned char)
761 FPTOOLS_CHECK_HTYPE(short)
762 FPTOOLS_CHECK_HTYPE(unsigned short)
763 FPTOOLS_CHECK_HTYPE(int)
764 FPTOOLS_CHECK_HTYPE(unsigned int)
765 FPTOOLS_CHECK_HTYPE(long)
766 FPTOOLS_CHECK_HTYPE(unsigned long)
767 if test "$fptools_cv_have_long_long" = yes; then
768 FPTOOLS_CHECK_HTYPE(long long)
769 FPTOOLS_CHECK_HTYPE(unsigned long long)
770 fi
771 FPTOOLS_CHECK_HTYPE(float)
772 FPTOOLS_CHECK_HTYPE(double)
773 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
774 FPTOOLS_CHECK_HTYPE(size_t)
775 FPTOOLS_CHECK_HTYPE(wchar_t)
776 dnl Int32 is a HACK for non-ISO C compilers
777 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
778 FPTOOLS_CHECK_HTYPE(clock_t)
779 FPTOOLS_CHECK_HTYPE(time_t)
780 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
781 FPTOOLS_CHECK_HTYPE(ino_t)
782 FPTOOLS_CHECK_HTYPE(mode_t)
783 FPTOOLS_CHECK_HTYPE(off_t)
784 FPTOOLS_CHECK_HTYPE(pid_t)
785 FPTOOLS_CHECK_HTYPE(size_t)
786 FPTOOLS_CHECK_HTYPE(gid_t)
787 FPTOOLS_CHECK_HTYPE(uid_t)
788 FPTOOLS_CHECK_HTYPE(cc_t)
789 FPTOOLS_CHECK_HTYPE(speed_t)
790 FPTOOLS_CHECK_HTYPE(tcflag_t)
791 FPTOOLS_CHECK_HTYPE(nlink_t)
792 FPTOOLS_CHECK_HTYPE(ssize_t)
793
794 dnl ** Map OpenGL data types to Haskell types
795 if test $GhcLibsWithHOpenGL = YES ; then
796 FPTOOLS_CHECK_HTYPE(GLboolean)
797 FPTOOLS_CHECK_HTYPE(GLbyte)
798 FPTOOLS_CHECK_HTYPE(GLubyte)
799 FPTOOLS_CHECK_HTYPE(GLshort)
800 FPTOOLS_CHECK_HTYPE(GLushort)
801 FPTOOLS_CHECK_HTYPE(GLint)
802 FPTOOLS_CHECK_HTYPE(GLuint)
803 FPTOOLS_CHECK_HTYPE(GLsizei)
804 FPTOOLS_CHECK_HTYPE(GLenum)
805 FPTOOLS_CHECK_HTYPE(GLbitfield)
806 FPTOOLS_CHECK_HTYPE(GLfloat)
807 FPTOOLS_CHECK_HTYPE(GLclampf)
808 FPTOOLS_CHECK_HTYPE(GLdouble)
809 FPTOOLS_CHECK_HTYPE(GLclampd)
810 fi
811
812 dnl ** can we open files in binary mode?
813 FPTOOLS_O_BINARY
814
815 dnl ** check for GetModuleFileName and WinExec (windows only)
816 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
817 dnl Doesn't work because the linker can't see the functions if
818 dnl you omit the #include <windows.h>.  (I've no idea why not...)
819
820 FPTOOLS_TRY_LINK_NOWARN(,[
821 #if HAVE_WINDOWS_H
822 #include <windows.h>
823 #endif
824 main() { 
825   WinExec("",0);
826   exit(0);
827 }
828 ],
829 [have_winexec=1],
830 [have_winexec=0])
831 if test "$have_winexec" = "1"; then
832 AC_DEFINE(HAVE_WINEXEC)
833 fi
834
835 FPTOOLS_TRY_LINK_NOWARN(,[
836 #if HAVE_WINDOWS_H
837 #include <windows.h>
838 #endif
839 main() { 
840   char* dir;
841   GetModuleFileName((HMODULE)0,dir,0);
842   exit(0);
843 }
844 ],
845 [have_getmodulefilename=1],
846 [have_getmodulefilename=0])
847 if test "$have_getmodulefilename" = "1"; then
848 AC_DEFINE(HAVE_GETMODULEFILENAME)
849 fi
850
851 dnl ** check return type of signal handlers
852 dnl Foo: assumes we can use prototypes.
853 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
854 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
855 dnl [AC_TRY_COMPILE([#include <sys/types.h>
856 dnl #include <signal.h>
857 dnl #ifdef signal
858 dnl #undef signal
859 dnl #endif
860 dnl void (*signal (int, void (*)(int)))(int);
861 dnl ],
862 dnl [int i;], 
863 dnl ac_cv_type_signal_handler=void_int,
864 dnl ac_cv_type_signal_handler=int_void)])
865 dnl if test "$ac_cv_type_signal_handler" = void_int; then
866 dnl AC_DEFINE(VOID_INT_SIGNALS)
867 dnl fi
868
869 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
870 AC_TYPE_SIGNAL
871 if test "$ac_cv_type_signal" = void; then
872 AC_DEFINE(VOID_INT_SIGNALS)
873 fi
874
875 dnl ** check for more functions
876 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
877 AC_CHECK_FUNCS(strcmp)
878 AC_CHECK_FUNCS(realpath _fullpath)  
879 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
880 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
881 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
882 AC_CHECK_FUNCS(snprintf  _snprintf )  
883 AC_CHECK_FUNCS(popen     _popen )  
884 AC_CHECK_FUNCS(pclose    _pclose )  
885
886
887 dnl ** check for specific library functions that we are interested in
888 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)
889
890 dnl ** check whether this machine has gmp3 installed
891 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
892   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
893     HaveLibGmp=No; LibGmp=not-installed))
894 AC_SUBST(HaveLibGmp)
895 AC_SUBST(LibGmp)
896
897 dnl ** check whether this machine has GNU regex in libc.
898 FPTOOLS_REGEX_IN_LIBC
899
900 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
901 dnl    the order of these tests matters: bfd needs liberty
902 AC_CHECK_LIB(iberty, xmalloc)
903 AC_CHECK_LIB(bfd,    bfd_init)
904
905 dnl ** check for readline, for Hugs and hslibs' Readline
906 dnl ncurses supersedes termcap and curses, but for compatibility,
907 dnl we have to check for all...
908 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
909   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
910     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
911       HaveLibTermcap=NO; LibTermcap=not-installed)))
912
913 if test $HaveLibTermcap = YES ; then
914   LIBS="-l$LibTermcap $LIBS"
915   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
916 fi
917
918 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
919   AC_DEFINE(HAVE_READLINE_LIBS,1)
920   LibsReadline="readline $LibTermcap"
921 else
922   AC_DEFINE(HAVE_READLINE_LIBS,0)
923   LibsReadline=
924 fi
925 AC_SUBST(LibsReadline)
926
927 if test "$HaveLibReadline"; then
928   AC_CHECK_LIB(readline, rl_erase_empty_line,
929     [AC_DEFINE(HAVE_READLINE_4, 1)],
930     [AC_DEFINE(HAVE_READLINE_4, 0)])
931   AC_CHECK_LIB(readline, rl_free_undo_list,
932     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
933     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
934 else
935   AC_DEFINE(HAVE_READLINE_4, 0)
936   AC_DEFINE(HAVE_READLINE_4_2, 0)
937 fi
938
939 dnl ** check for math library
940 FPTOOLS_CHECK_LIBM()
941 AC_SUBST(LIBM)
942
943 case $HostOS_CPP in
944 cygwin32) ;;
945 mingw32)  ;;
946 *) AC_PATH_XTRA() ;;
947 esac
948
949 dnl ################################################################
950 dnl Check for libraries
951 dnl ################################################################
952
953 AC_CHECK_LIB(dl, dlopen, 
954         [HaveLibDL=YES
955          AC_DEFINE(HAVE_LIBDL)
956          LIBS="$LIBS -ldl"], 
957         [HaveLibDL=NO])
958 AC_CHECK_FUNCS(dlopen)
959 AC_SUBST(HaveLibDL)
960
961 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
962
963 dnl --------------------------------------------------
964 dnl * test for GTK+
965 dnl --------------------------------------------------
966
967 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
968 if test "$GTK_CONFIG" != ""; then
969    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
970         fptools_cv_gtk_version=`$GTK_CONFIG --version`
971     ])
972     GTK_VERSION=$fptools_cv_gtk_version
973 else
974     GTK_VERSION=
975 fi
976
977 case $fptools_cv_gtk_version in
978   1.[[23]].*) ;;
979   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
980      GTK_CONFIG=
981      ;;
982 esac
983
984 AC_SUBST(GTK_CONFIG)
985 AC_SUBST(GTK_VERSION)
986
987 dnl --------------------------------------------------
988 dnl * Miscellaneous feature tests
989 dnl --------------------------------------------------
990
991 dnl ** can we get alloca?
992 AC_FUNC_ALLOCA
993
994 dnl ** determine whether or not const works
995 AC_C_CONST
996
997 dnl ** determine whether ANSI-function prototypes work?
998 AC_C_PROTOTYPES          
999
1000 dnl ** are we big endian?
1001 AC_C_BIGENDIAN
1002 # Allay users' general fear of warnings of any kind.
1003 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1004 )
1005 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1006 )
1007
1008 dnl ** check for leading underscores in symbol names
1009 FPTOOLS_UNDERSCORE
1010
1011 dnl ** how is the end of text section signalled?
1012 FPTOOLS_END_TEXT_SECTION
1013
1014 dnl ** how is the end of data section signalled?
1015 FPTOOLS_END_DATA_SECTION
1016
1017 dnl ** code before data?
1018 FPTOOLS_CODE_BEFORE_DATA
1019
1020 dnl ** check for ld, and whether ld has -x option
1021 AC_PATH_PROG(LdCmdRaw, ld)
1022 case $HostOS_CPP in
1023  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1024            ;;
1025  *) LdCmd=${LdCmdRaw}
1026     ;;
1027 esac
1028 AC_SUBST(LdCmd)
1029 FPTOOLS_LD_X
1030
1031 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )