[project @ 2002-03-26 20:14:38 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 case $TargetOS_CPP in
561 mingw32)  
562           FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
563
564           EXTRA_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN"
565           SRC_CC_OPTS="-O $EXTRA_CC_OPTS"
566           CPPFLAGS="$EXTRA_CC_OPTS $CPPFLAGS"
567           AC_SUBST(SRC_CC_OPTS)
568           ;;
569 *)    ;;
570 esac
571
572 dnl ** figure out how to do context diffs
573 FPTOOLS_PROG_DIFF
574
575 dnl ** Find find command (for Win32's benefit)
576 FPTOOLS_FIND_FIND
577
578 dnl ** look for a decent parser generator (bison preferred)
579 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing 
580 dnl  on the suitability of the 'yacc' returned.)
581 FPTOOLS_PROG_YACCY
582
583 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
584 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
585 dnl    exists if 'flex' doesn't.
586 AC_PROG_LEX_STRICT
587
588 dnl ** figure out how to do a BSD-ish install
589 AC_PROG_INSTALL
590
591 dnl If you can run configure, you certainly have /bin/sh
592 AC_DEFINE(HAVE_BIN_SH)
593
594 dnl ** how to invoke `ar' and `ranlib'
595 FPTOOLS_PROG_AR_AND_RANLIB
596
597 dnl ** Check to see whether ln -s works
598 AC_PROG_LN_S
599
600
601 dnl ** Find the path to sed
602 AC_PATH_PROG(SedCmd,sed)
603
604
605 dnl ** check for time command
606 AC_PATH_PROG(TimeCmd,time)
607
608
609 dnl ** check for tar
610 dnl   if GNU tar is named gtar, look for it first.
611 AC_PATH_PROGS(TarCmd,gtar tar,tar)
612
613 dnl ** check for gzip/compress
614 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
615
616 dnl ** check for jade/openjade & determine a working catalog
617 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
618 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl, 
619                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl glafp-utils/docbook/CATALOG*)
620 if test -z "$Catalog"; then
621   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
622 fi
623 case $Catalog in
624    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
625         Catalog=
626         ;;
627    glafp*) 
628         case $HostOS_CPP in
629            mingw32)
630               Catalog=`cygpath -w $hardtop/$Catalog`
631               ;;
632            *) Catalog=$hardtop/$Catalog
633               ;;
634         esac
635    ;;
636 esac   
637 AC_SUBST(Catalog)
638
639 compress_nm=`basename $CompressCmd`
640 if test x"$compress_nm" = xgzip; then
641   CompressCmd="$CompressCmd -d"
642   CompressSuffix="gz"
643 else
644   CompressSuffix="Z"
645 fi
646 AC_SUBST(CompressCmd)
647 AC_SUBST(CompressSuffix)
648
649 AC_ARG_ENABLE(src-tree-happy,
650 [  --enable-src-tree-happy
651         Build and use source tree (fptools/happy) version of happy.
652 ],
653 [UseSrcTreeHappy=YES],
654 [UseSrcTreeHappy=NO]
655 )
656 dnl ** check for installed happy binary + version
657 dnl    (don't do it if we're booting from .hc files though.)
658 if test "$BootingFromHc" = "NO"; then
659 FPTOOLS_HAPPY
660 fi;
661
662 dnl --------------------------------------------------
663 dnl ### program checking section ends here ###
664 dnl --------------------------------------------------
665
666 dnl --------------------------------------------------
667 dnl * Platform header file and syscall feature tests
668 dnl ### checking the state of the local header files and syscalls ###
669
670 dnl ** check for full ANSI header (.h) files
671 AC_HEADER_STDC
672
673 dnl ** check for specific header (.h) files that we are interested in
674 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)
675
676 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
677 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
678
679 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
680   HaveReadlineHeaders=YES
681   AC_DEFINE(HAVE_READLINE_HEADERS,1)
682 else
683   HaveReadlineHeaders=NO
684   AC_DEFINE(HAVE_READLINE_HEADERS,0)
685 fi
686 AC_SUBST(HaveReadlineHeaders)
687
688 dnl ** check for DOS include files
689 AC_CHECK_HEADERS(dos.h conio.h io.h std.h) 
690
691 dnl ** check for Windows include files
692 AC_CHECK_HEADERS(windows.h)
693
694 dnl ** check for OpenGL include files
695 AC_CHECK_HEADERS(GL/gl.h)
696
697 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
698 AC_HEADER_TIME
699
700 dnl dynamic loading include files
701 AC_CHECK_HEADERS(dlfcn.h dl.h) 
702
703 dnl ** check for farcalloc (in bcc)
704 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
705
706 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
707 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
708
709 dnl ** check for POSIX regex
710 HavePosixRegex=NO
711 AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
712 AC_SUBST(HavePosixRegex)
713
714 dnl ** how do we get a timezone name, and UTC offset ?
715 AC_STRUCT_TIMEZONE
716
717 dnl ** what's the type of timezone?
718 FPTOOLS_HAVE_TIMEZONE
719 FPTOOLS_TYPE_TIMEZONE
720
721 dnl ** do we have altzone?
722 FPTOOLS_ALTZONE
723
724 dnl ** does struct stat contain st_blksize?
725 AC_STRUCT_ST_BLKSIZE
726
727 dnl ** do we have long longs?
728 FPTOOLS_C_LONG_LONG
729
730 dnl ** what are the sizes of various types
731 dnl    (these must come before GHC_CHECK_ALIGNMENT)
732 AC_CHECK_SIZEOF(char,               1)
733 AC_CHECK_SIZEOF(double,             8)
734 AC_CHECK_SIZEOF(float,              4)
735 AC_CHECK_SIZEOF(int,                4)
736 AC_CHECK_SIZEOF(long,               4)
737 if test "$fptools_cv_have_long_long" = yes; then
738 AC_CHECK_SIZEOF(long long,          8)
739 fi
740 AC_CHECK_SIZEOF(short,              2)
741 AC_CHECK_SIZEOF(unsigned char,      1)
742 AC_CHECK_SIZEOF(unsigned int,       4)
743 AC_CHECK_SIZEOF(unsigned long,      4)
744 if test "$fptools_cv_have_long_long" = yes; then
745 AC_CHECK_SIZEOF(unsigned long long, 8)
746 fi
747 AC_CHECK_SIZEOF(unsigned short,     2)
748 AC_CHECK_SIZEOF(void *,             4)
749
750 dnl ** what are alignment constraints on various types
751 FPTOOLS_CHECK_ALIGNMENT(char)
752 FPTOOLS_CHECK_ALIGNMENT(double)
753 FPTOOLS_CHECK_ALIGNMENT(float)
754 FPTOOLS_CHECK_ALIGNMENT(int)
755 FPTOOLS_CHECK_ALIGNMENT(long)
756 if test "$fptools_cv_have_long_long" = yes; then
757 FPTOOLS_CHECK_ALIGNMENT(long long)
758 fi
759 FPTOOLS_CHECK_ALIGNMENT(short)
760 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
761 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
762 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
763 if test "$fptools_cv_have_long_long" = yes; then
764 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
765 fi
766 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
767 FPTOOLS_CHECK_ALIGNMENT(void *)
768
769 dnl ** map standard C types and ISO types to Haskell types
770 FPTOOLS_CHECK_HTYPE(char)
771 FPTOOLS_CHECK_HTYPE(signed char)
772 FPTOOLS_CHECK_HTYPE(unsigned char)
773 FPTOOLS_CHECK_HTYPE(short)
774 FPTOOLS_CHECK_HTYPE(unsigned short)
775 FPTOOLS_CHECK_HTYPE(int)
776 FPTOOLS_CHECK_HTYPE(unsigned int)
777 FPTOOLS_CHECK_HTYPE(long)
778 FPTOOLS_CHECK_HTYPE(unsigned long)
779 if test "$fptools_cv_have_long_long" = yes; then
780 FPTOOLS_CHECK_HTYPE(long long)
781 FPTOOLS_CHECK_HTYPE(unsigned long long)
782 fi
783 FPTOOLS_CHECK_HTYPE(float)
784 FPTOOLS_CHECK_HTYPE(double)
785 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
786 FPTOOLS_CHECK_HTYPE(size_t)
787 FPTOOLS_CHECK_HTYPE(wchar_t)
788 dnl Int32 is a HACK for non-ISO C compilers
789 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
790 FPTOOLS_CHECK_HTYPE(clock_t)
791 FPTOOLS_CHECK_HTYPE(time_t)
792 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
793 FPTOOLS_CHECK_HTYPE(ino_t)
794 FPTOOLS_CHECK_HTYPE(mode_t)
795 FPTOOLS_CHECK_HTYPE(off_t)
796 FPTOOLS_CHECK_HTYPE(pid_t)
797 FPTOOLS_CHECK_HTYPE(gid_t)
798 FPTOOLS_CHECK_HTYPE(uid_t)
799 FPTOOLS_CHECK_HTYPE(cc_t)
800 FPTOOLS_CHECK_HTYPE(speed_t)
801 FPTOOLS_CHECK_HTYPE(tcflag_t)
802 FPTOOLS_CHECK_HTYPE(nlink_t)
803 FPTOOLS_CHECK_HTYPE(ssize_t)
804
805 dnl ** Map OpenGL data types to Haskell types
806 if test $GhcLibsWithHOpenGL = YES ; then
807 FPTOOLS_CHECK_HTYPE(GLboolean)
808 FPTOOLS_CHECK_HTYPE(GLbyte)
809 FPTOOLS_CHECK_HTYPE(GLubyte)
810 FPTOOLS_CHECK_HTYPE(GLshort)
811 FPTOOLS_CHECK_HTYPE(GLushort)
812 FPTOOLS_CHECK_HTYPE(GLint)
813 FPTOOLS_CHECK_HTYPE(GLuint)
814 FPTOOLS_CHECK_HTYPE(GLsizei)
815 FPTOOLS_CHECK_HTYPE(GLenum)
816 FPTOOLS_CHECK_HTYPE(GLbitfield)
817 FPTOOLS_CHECK_HTYPE(GLfloat)
818 FPTOOLS_CHECK_HTYPE(GLclampf)
819 FPTOOLS_CHECK_HTYPE(GLdouble)
820 FPTOOLS_CHECK_HTYPE(GLclampd)
821 fi
822
823 dnl ** can we open files in binary mode?
824 FPTOOLS_O_BINARY
825
826 dnl ** check for GetModuleFileName and WinExec (windows only)
827 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
828 dnl Doesn't work because the linker can't see the functions if
829 dnl you omit the #include <windows.h>.  (I've no idea why not...)
830
831 FPTOOLS_TRY_LINK_NOWARN(,[
832 #if HAVE_WINDOWS_H
833 #include <windows.h>
834 #endif
835 main() { 
836   WinExec("",0);
837   exit(0);
838 }
839 ],
840 [have_winexec=1],
841 [have_winexec=0])
842 if test "$have_winexec" = "1"; then
843 AC_DEFINE(HAVE_WINEXEC)
844 fi
845
846 FPTOOLS_TRY_LINK_NOWARN(,[
847 #if HAVE_WINDOWS_H
848 #include <windows.h>
849 #endif
850 main() { 
851   char* dir;
852   GetModuleFileName((HMODULE)0,dir,0);
853   exit(0);
854 }
855 ],
856 [have_getmodulefilename=1],
857 [have_getmodulefilename=0])
858 if test "$have_getmodulefilename" = "1"; then
859 AC_DEFINE(HAVE_GETMODULEFILENAME)
860 fi
861
862 dnl ** check return type of signal handlers
863 dnl Foo: assumes we can use prototypes.
864 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
865 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
866 dnl [AC_TRY_COMPILE([#include <sys/types.h>
867 dnl #include <signal.h>
868 dnl #ifdef signal
869 dnl #undef signal
870 dnl #endif
871 dnl void (*signal (int, void (*)(int)))(int);
872 dnl ],
873 dnl [int i;], 
874 dnl ac_cv_type_signal_handler=void_int,
875 dnl ac_cv_type_signal_handler=int_void)])
876 dnl if test "$ac_cv_type_signal_handler" = void_int; then
877 dnl AC_DEFINE(VOID_INT_SIGNALS)
878 dnl fi
879
880 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
881 AC_TYPE_SIGNAL
882 if test "$ac_cv_type_signal" = void; then
883 AC_DEFINE(VOID_INT_SIGNALS)
884 fi
885
886 dnl ** check for more functions
887 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
888 AC_CHECK_FUNCS(strcmp)
889 AC_CHECK_FUNCS(realpath _fullpath)  
890 AC_CHECK_FUNCS(PBHSetVolSync macsystem)  
891 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
892 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
893 AC_CHECK_FUNCS(snprintf  _snprintf )  
894 AC_CHECK_FUNCS(popen     _popen )  
895 AC_CHECK_FUNCS(pclose    _pclose )  
896
897
898 dnl ** check for specific library functions that we are interested in
899 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)
900
901 dnl ** check whether this machine has gmp3 installed
902 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
903   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
904     HaveLibGmp=No; LibGmp=not-installed))
905 AC_SUBST(HaveLibGmp)
906 AC_SUBST(LibGmp)
907
908 dnl ** check whether this machine has GNU regex in libc.
909 FPTOOLS_REGEX_IN_LIBC
910
911 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
912 dnl    the order of these tests matters: bfd needs liberty
913 AC_CHECK_LIB(iberty, xmalloc)
914 AC_CHECK_LIB(bfd,    bfd_init)
915
916 dnl ** check for readline, for Hugs and hslibs' Readline
917 dnl ncurses supersedes termcap and curses, but for compatibility,
918 dnl we have to check for all...
919 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
920   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
921     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
922       HaveLibTermcap=NO; LibTermcap=not-installed)))
923
924 if test $HaveLibTermcap = YES ; then
925   LIBS="-l$LibTermcap $LIBS"
926   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
927 fi
928
929 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
930   AC_DEFINE(HAVE_READLINE_LIBS,1)
931   LibsReadline="readline $LibTermcap"
932 else
933   AC_DEFINE(HAVE_READLINE_LIBS,0)
934   LibsReadline=
935 fi
936 AC_SUBST(LibsReadline)
937
938 if test "$HaveLibReadline"; then
939   AC_CHECK_LIB(readline, rl_erase_empty_line,
940     [AC_DEFINE(HAVE_READLINE_4, 1)],
941     [AC_DEFINE(HAVE_READLINE_4, 0)])
942   AC_CHECK_LIB(readline, rl_free_undo_list,
943     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
944     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
945 else
946   AC_DEFINE(HAVE_READLINE_4, 0)
947   AC_DEFINE(HAVE_READLINE_4_2, 0)
948 fi
949
950 dnl ** check for math library
951 FPTOOLS_CHECK_LIBM()
952 AC_SUBST(LIBM)
953
954 case $HostOS_CPP in
955 cygwin32) ;;
956 mingw32)  ;;
957 *) AC_PATH_XTRA() ;;
958 esac
959
960 FPTOOLS_HAVE_OPENGL
961
962 dnl ################################################################
963 dnl Check for libraries
964 dnl ################################################################
965
966 dnl ** check for libdl & RTLD_NEXT
967
968 AC_CHECK_LIB(dl, dlopen, 
969         [HaveLibDL=YES
970          AC_DEFINE(HAVE_LIBDL)
971          LIBS="$LIBS -ldl"], 
972         [HaveLibDL=NO])
973 AC_CHECK_FUNCS(dlopen)
974 AC_SUBST(HaveLibDL)
975
976 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
977 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
978 AC_EGREP_CPP(yes,
979 [
980  #include <dlfcn.h>
981  #ifdef RTLD_NEXT
982         yes
983  #endif
984 ], [
985   AC_MSG_RESULT(yes)
986   AC_DEFINE(HAVE_RTLDNEXT)
987   HaveRtldNext=YES
988 ], [
989   AC_MSG_RESULT(no)
990   HaveRtldNext=NO
991   ])    
992 AC_SUBST(HaveRtldNext)
993
994 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
995
996 dnl --------------------------------------------------
997 dnl * test for GTK+
998 dnl --------------------------------------------------
999
1000 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1001 if test "$GTK_CONFIG" != ""; then
1002    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1003         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1004     ])
1005     GTK_VERSION=$fptools_cv_gtk_version
1006 else
1007     GTK_VERSION=
1008 fi
1009
1010 case $fptools_cv_gtk_version in
1011   1.[[23]].*) ;;
1012   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1013      GTK_CONFIG=
1014      ;;
1015 esac
1016
1017 AC_SUBST(GTK_CONFIG)
1018 AC_SUBST(GTK_VERSION)
1019
1020 dnl --------------------------------------------------
1021 dnl * Miscellaneous feature tests
1022 dnl --------------------------------------------------
1023
1024 dnl ** can we get alloca?
1025 AC_FUNC_ALLOCA
1026
1027 dnl ** determine whether or not const works
1028 AC_C_CONST
1029
1030 dnl ** determine whether ANSI-function prototypes work?
1031 AC_C_PROTOTYPES          
1032
1033 dnl ** are we big endian?
1034 AC_C_BIGENDIAN
1035 # Allay users' general fear of warnings of any kind.
1036 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1037 )
1038 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1039 )
1040
1041 dnl ** check for leading underscores in symbol names
1042 FPTOOLS_UNDERSCORE
1043
1044 dnl ** how is the end of text section signalled?
1045 FPTOOLS_END_TEXT_SECTION
1046
1047 dnl ** how is the end of data section signalled?
1048 FPTOOLS_END_DATA_SECTION
1049
1050 dnl ** code before data?
1051 FPTOOLS_CODE_BEFORE_DATA
1052
1053 dnl ** check for ld, and whether ld has -x option
1054 AC_PATH_PROG(LdCmdRaw, ld)
1055 case $HostOS_CPP in
1056  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1057            ;;
1058  *) LdCmd=${LdCmdRaw}
1059     ;;
1060 esac
1061 AC_SUBST(LdCmd)
1062 FPTOOLS_LD_X
1063
1064 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )