1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The AQUA Project, Glasgow University, 1994-2004
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoreconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.5], [glasgow-haskell-bugs@haskell.org], [ghc])
18 FP_SETUP_PROJECT_VERSION
20 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
21 AC_SUBST([release], [1])
23 # First off, a distrib sanity check..
24 AC_CONFIG_SRCDIR([mk/config.mk.in])
26 dnl * We require autoconf version 2.52
27 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
28 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
31 dnl * Declare subdirectories that have a private configure script
33 dnl After the toplevel configuration is complete, the script will recurse into
34 dnl these subdirectories if they exist. The use of a cache file makes repeated
36 AC_CONFIG_SUBDIRS([libraries])
38 # -------------------------------------------------------------------------
39 # Prepare to generate the following header files
42 AC_CONFIG_HEADER(mk/config.h)
44 # No, semi-sadly, we don't do `--srcdir'...
45 if test x"$srcdir" != 'x.' ; then
46 echo "This configuration does not support the \`--srcdir' option.."
50 dnl--------------------------------------------------------------------
51 dnl * Choose host(/target/build) platform
52 dnl--------------------------------------------------------------------
54 dnl Guess host/target/build platform(s) if necessary.
57 # "$host" defaults to "$target"
58 if test "x$host" = xNONE ; then
62 dnl ** canonicalize platform names
63 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
64 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
65 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
67 if test x"$TargetPlatform" != x"$HostPlatform" ; then
68 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
74 # The following will be more difficult when we *are* cross-compiling.
75 # Suitable names to slam in *_CPP are in platform.h.in.
76 # We also record the architecture, vendor, and operating system (OS)
79 alpha*-dec-osf[[12]]*)
80 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
81 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
82 BuildPlatform=alpha-dec-osf1 # hack
83 HostPlatform_CPP='alpha_dec_osf1'
88 alpha*-dec-osf[[345]]*)
89 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
90 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
91 BuildPlatform=alpha-dec-osf3 # hack
92 HostPlatform_CPP='alpha_dec_osf3'
97 alpha*-unknown-linux*)
98 HostPlatform=alpha-unknown-linux
99 TargetPlatform=alpha-unknown-linux
100 BuildPlatform=alpha-unknown-linux
101 HostPlatform_CPP='alpha_unknown_linux'
103 HostVendor_CPP='unknown'
106 alpha*-unknown-freebsd*)
107 HostPlatform=alpha-unknown-freebsd
108 TargetPlatform=alpha-unknown-freebsd
109 BuildPlatform=alpha-unknown-freebsd
110 HostPlatform_CPP='alpha_unknown_freebsd'
112 HostVendor_CPP='unknown'
115 alpha*-unknown-openbsd*)
116 HostPlatform=alpha-unknown-openbsd
117 TargetPlatform=alpha-unknown-openbsd
118 BuildPlatform=alpha-unknown-openbsd
119 HostPlatform_CPP='alpha_unknown_openbsd'
121 HostVendor_CPP='unknown'
124 amd64-*-openbsd*|x86_64-*-openbsd*)
125 HostPlatform=x86_64-unknown-openbsd
126 TargetPlatform=x86_64-unknown-openbsd
127 BuildPlatform=x86_64-unknown-openbsd
128 HostPlatform_CPP='x86_64_unknown_openbsd'
129 HostArch_CPP='x86_64'
130 HostVendor_CPP='unknown'
134 HostPlatform=x86_64-unknown-freebsd
135 TargetPlatform=x86_64-unknown-freebsd
136 BuildPlatform=x86_64-unknown-freebsd
137 HostPlatform_CPP='x86_64_unknown_freebsd'
138 HostArch_CPP='x86_64'
139 HostVendor_CPP='unknown'
143 HostPlatform=arm-unknown-linux # hack again
144 TargetPlatform=arm-unknown-linux
145 BuildPlatform=arm-unknown-linux
146 HostPlatform_CPP='arm_unknown_linux'
148 HostVendor_CPP='unknown'
152 HostPlatform=arm-unknown-openbsd
153 TargetPlatform=arm-unknown-openbsd
154 BuildPlatform=arm-unknown-openbsd
155 HostPlatform_CPP='arm_unknown_openbsd'
157 HostVendor_CPP='unknown'
161 HostPlatform=hppa-unknown-linux # hack again
162 TargetPlatform=hppa-unknown-linux
163 BuildPlatform=hppa-unknown-linux
164 HostPlatform_CPP='hppa_unknown_linux'
166 HostVendor_CPP='unknown'
170 HostPlatform=hppa-unknown-openbsd # hack again
171 TargetPlatform=hppa-unknown-openbsd
172 BuildPlatform=hppa-unknown-openbsd
173 HostPlatform_CPP='hppa_unknown_openbsd'
175 HostVendor_CPP='unknown'
179 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
180 TargetPlatform=hppa1.1-hp-hpux
181 BuildPlatform=hppa1.1-hp-hpux
182 HostPlatform_CPP='hppa1_1_hp_hpux'
183 HostArch_CPP='hppa1_1'
187 i[[3456]]86-*-linuxaout*)
188 HostPlatform=i386-unknown-linuxaout # hack again
189 TargetPlatform=i386-unknown-linuxaout
190 BuildPlatform=i386-unknown-linuxaout
191 HostPlatform_CPP='i386_unknown_linuxaout'
193 HostVendor_CPP='unknown'
194 HostOS_CPP='linuxaout'
196 i[[3456]]86-*-linux*)
197 HostPlatform=i386-unknown-linux # hack again
198 TargetPlatform=i386-unknown-linux
199 BuildPlatform=i386-unknown-linux
200 HostPlatform_CPP='i386_unknown_linux'
202 HostVendor_CPP='unknown'
205 i[[3456]]86-*-kfreebsd*-gnu)
206 HostPlatform=i386-unknown-kfreebsdgnu # hack again
207 TargetPlatform=i386-unknown-kfreebsdgnu
208 BuildPlatform=i386-unknown-kfreebsdgnu
209 HostPlatform_CPP='i386_unknown_kfreebsdgnu'
211 HostVendor_CPP='unknown'
212 HostOS_CPP='kfreebsdgnu'
214 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
215 HostPlatform=i386-unknown-freebsd # hack again
216 TargetPlatform=i386-unknown-freebsd
217 BuildPlatform=i386-unknown-freebsd
218 HostPlatform_CPP='i386_unknown_freebsd'
220 HostVendor_CPP='unknown'
223 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
224 HostPlatform=i386-unknown-freebsd2 # hack again
225 TargetPlatform=i386-unknown-freebsd2
226 BuildPlatform=i386-unknown-freebsd2
227 HostPlatform_CPP='i386_unknown_freebsd2'
229 HostVendor_CPP='unknown'
230 HostOS_CPP='freebsd2'
232 i[[3456]]86-*-netbsd*)
233 HostPlatform=i386-unknown-netbsd # hack again
234 TargetPlatform=i386-unknown-netbsd
235 BuildPlatform=i386-unknown-netbsd
236 HostPlatform_CPP='i386_unknown_netbsd'
238 HostVendor_CPP='unknown'
241 i[[3456]]86-*-openbsd*)
242 HostPlatform=i386-unknown-openbsd # hack again
243 TargetPlatform=i386-unknown-openbsd
244 BuildPlatform=i386-unknown-openbsd
245 HostPlatform_CPP='i386_unknown_openbsd'
247 HostVendor_CPP='unknown'
250 i[[3456]]86-*-solaris2*)
251 HostPlatform=i386-unknown-solaris2 # hack again
252 TargetPlatform=i386-unknown-solaris2
253 BuildPlatform=i386-unknown-solaris2
254 HostPlatform_CPP='i386_unknown_solaris2'
256 HostVendor_CPP='unknown'
257 HostOS_CPP='solaris2'
259 i[[3456]]86-*-cygwin*)
260 HostPlatform=i386-unknown-cygwin32 # hack again
261 TargetPlatform=i386-unknown-cygwin32
262 BuildPlatform=i386-unknown-cygwin32
263 HostPlatform_CPP='i386_unknown_cygwin32'
265 HostVendor_CPP='unknown'
266 HostOS_CPP='cygwin32'
269 i[[3456]]86-*-mingw32*)
270 HostPlatform=i386-unknown-mingw32 # hack again
271 TargetPlatform=i386-unknown-mingw32
272 BuildPlatform=i386-unknown-mingw32
273 HostPlatform_CPP='i386_unknown_mingw32'
275 HostVendor_CPP='unknown'
279 i[[3456]]86-apple-darwin*)
280 HostPlatform=i386-apple-darwin
281 TargetPlatform=i386-apple-darwin #hack
282 BuildPlatform=i386-apple-darwin #hack
283 HostPlatform_CPP='i386_apple_darwin'
285 HostVendor_CPP='apple'
289 HostPlatform=i386-unknown-gnu
290 TargetPlatform=i386-unknown-gnu
291 BuildPlatform=i386-unknown-gnu
292 HostPlatform_CPP=i386_unknown_gnu
294 HostVendor_CPP=unknown
298 HostPlatform=ia64-unknown-linux # hack again
299 TargetPlatform=ia64-unknown-linux
300 BuildPlatform=ia64-unknown-linux
301 HostPlatform_CPP='ia64_unknown_linux'
303 HostVendor_CPP='unknown'
307 HostPlatform=x86_64-unknown-linux
308 TargetPlatform=x86_64-unknown-linux
309 BuildPlatform=x86_64-unknown-linux
310 HostPlatform_CPP='x86_64_unknown_linux'
311 HostArch_CPP='x86_64'
312 HostVendor_CPP='unknown'
316 HostPlatform=m68k-unknown-linux # hack again
317 TargetPlatform=m68k-unknown-linux
318 BuildPlatform=m68k-unknown-linux
319 HostPlatform_CPP='m68k_unknown_linux'
321 HostVendor_CPP='unknown'
325 HostPlatform_CPP='m68k_next_nextstep2'
327 HostVendor_CPP='next'
328 HostOS_CPP='nextstep2'
331 HostPlatform_CPP='m68k_next_nextstep3'
333 HostVendor_CPP='next'
334 HostOS_CPP='nextstep3'
336 i[[3456]]86-next-nextstep3)
337 HostPlatform=i386-next-nextstep3 # hack again
338 TargetPlatform=i386-next-nextstep3
339 BuildPlatform=i386-next-nextstep3
340 HostPlatform_CPP='i386_next_nextstep3'
342 HostVendor_CPP='next'
343 HostOS_CPP='nextstep3'
346 HostPlatform=m68k-unknown-openbsd
347 TargetPlatform=m68k-unknown-openbsd
348 BuildPlatform=m68k-unknown-openbsd
349 HostPlatform_CPP='m68k_unknown_openbsd'
351 HostVendor_CPP='unknown'
355 HostPlatform=m68k-unknown-netbsd
356 TargetPlatform=m68k-unknown-netbsd
357 BuildPlatform=m68k-unknown-netbsd
358 HostPlatform_CPP='m68k_unknown_netbsd'
360 HostVendor_CPP='unknown'
364 HostPlatform=m68k-sun-sunos4
365 TargetPlatform=m68k-sun-sunos4 #hack
366 BuildPlatform=m68k-sun-sunos4 #hack
367 HostPlatform_CPP='m68k_sun_sunos4'
373 HostPlatform=m88k-unknown-openbsd
374 TargetPlatform=m88k-unknown-openbsd
375 BuildPlatform=m88k-unknown-openbsd
376 HostPlatform_CPP='m88k_unknown_openbsd'
378 HostVendor_CPP='unknown'
382 HostPlatform=mips-unknown-linux # hack again
383 TargetPlatform=mips-unknown-linux
384 BuildPlatform=mips-unknown-linux
385 HostPlatform_CPP='mips_unknown_linux'
387 HostVendor_CPP='unknown'
391 HostPlatform_CPP='mips_dec_ultrix'
392 HostArch_CPP='mipsel' # NB a little different
397 HostPlatform=mips-sgi-irix
398 TargetPlatform=mips-sgi-irix #hack
399 BuildPlatform=mips-sgi-irix #hack
400 HostPlatform_CPP='mips_sgi_irix'
401 HostArch_CPP='mipseb' # NB a little different
406 HostPlatform=rs6000-ibm-aix
407 TargetPlatform=rs6000-ibm-aix #hack
408 BuildPlatform=rs6000-ibm-aix #hack
409 HostPlatform_CPP='rs6000_ibm_aix'
410 HostArch_CPP='rs6000'
415 HostPlatform=powerpc-ibm-aix
416 TargetPlatform=powerpc-ibm-aix #hack
417 BuildPlatform=powerpc-ibm-aix #hack
418 HostPlatform_CPP='powerpc_ibm_aix'
419 HostArch_CPP='powerpc'
423 powerpc-apple-darwin*)
424 HostPlatform=powerpc-apple-darwin
425 TargetPlatform=powerpc-apple-darwin #hack
426 BuildPlatform=powerpc-apple-darwin #hack
427 HostPlatform_CPP='powerpc_apple_darwin'
428 HostArch_CPP='powerpc'
429 HostVendor_CPP='apple'
432 powerpc-unknown-linux*)
433 HostPlatform=powerpc-unknown-linux
434 TargetPlatform=powerpc-unknown-linux
435 BuildPlatform=powerpc-unknown-linux
436 HostPlatform_CPP='powerpc_unknown_linux'
437 HostArch_CPP='powerpc'
438 HostVendor_CPP='unknown'
441 powerpc-unknown-openbsd*)
442 HostPlatform=powerpc-unknown-openbsd
443 TargetPlatform=powerpc-unknown-openbsd
444 BuildPlatform=powerpc-unknown-openbsd
445 HostPlatform_CPP='powerpc_unknown_openbsd'
446 HostArch_CPP='powerpc'
447 HostVendor_CPP='unknown'
450 powerpc64-unknown-linux*)
451 HostPlatform=powerpc64-unknown-linux
452 TargetPlatform=powerpc64-unknown-linux
453 BuildPlatform=powerpc64-unknown-linux
454 HostPlatform_CPP='powerpc64_unknown_linux'
455 HostArch_CPP='powerpc64'
456 HostVendor_CPP='unknown'
461 HostPlatform=s390-ibm-linux
462 TargetPlatform=s390-ibm-linux #hack
463 BuildPlatform=s390-ibm-linux #hack
464 HostPlatform_CPP='s390_ibm_linux'
470 HostPlatform=sparc-sun-sunos4
471 TargetPlatform=sparc-sun-sunos4 #hack
472 BuildPlatform=sparc-sun-sunos4 #hack
473 HostPlatform_CPP='sparc_sun_sunos4'
479 HostPlatform=sparc-sun-solaris2
480 TargetPlatform=sparc-sun-solaris2 #hack
481 BuildPlatform=sparc-sun-solaris2 #hack
482 HostPlatform_CPP='sparc_sun_solaris2'
485 HostOS_CPP='solaris2'
488 HostPlatform=sparc-unknown-linux
489 TargetPlatform=sparc-unknown-linux
490 BuildPlatform=sparc-unknown-linux
491 HostPlatform_CPP='sparc_unknown_linux'
493 HostVendor_CPP='unknown'
497 HostPlatform=sparc-unknown-openbsd
498 TargetPlatform=sparc-unknown-openbsd
499 BuildPlatform=sparc-unknown-openbsd
500 HostPlatform_CPP='sparc_unknown_openbsd'
502 HostVendor_CPP='unknown'
506 HostPlatform=sparc64-unknown-openbsd
507 TargetPlatform=sparc64-unknown-openbsd
508 BuildPlatform=sparc64-unknown-openbsd
509 HostPlatform_CPP='sparc64_unknown_openbsd'
510 HostArch_CPP='sparc64'
511 HostVendor_CPP='unknown'
515 HostPlatform=vax-unknown-openbsd
516 TargetPlatform=vax-unknown-openbsd
517 BuildPlatform=vax-unknown-openbsd
518 HostPlatform_CPP='vax_unknown_openbsd'
520 HostVendor_CPP='unknown'
524 echo "Unrecognised platform: $HostPlatform"
528 echo "Canonicalised to: $HostPlatform"
529 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
530 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
532 BuildPlatform_CPP=$HostPlatform_CPP
533 TargetPlatform_CPP=$HostPlatform_CPP
534 BuildArch_CPP=$HostArch_CPP
535 TargetArch_CPP=$HostArch_CPP
536 BuildOS_CPP=$HostOS_CPP
538 TargetOS_CPP=$HostOS_CPP
539 BuildVendor_CPP=$HostVendor_CPP
540 TargetVendor_CPP=$HostVendor_CPP
542 AC_SUBST(BuildPlatform)
543 AC_SUBST(HostPlatform)
544 AC_SUBST(TargetPlatform)
545 AC_SUBST(HostPlatform_CPP)
546 AC_SUBST(BuildPlatform_CPP)
547 AC_SUBST(TargetPlatform_CPP)
549 AC_SUBST(HostArch_CPP)
550 AC_SUBST(BuildArch_CPP)
551 AC_SUBST(TargetArch_CPP)
554 AC_SUBST(HostOS_Full)
555 AC_SUBST(BuildOS_CPP)
556 AC_SUBST(TargetOS_CPP)
558 AC_SUBST(HostVendor_CPP)
559 AC_SUBST(BuildVendor_CPP)
560 AC_SUBST(TargetVendor_CPP)
564 dnl --------------------------------------------------------------
565 dnl * Calculate absolute path to build tree
566 dnl --------------------------------------------------------------
568 AC_MSG_CHECKING(for path to top of build tree)
572 dnl Remove common automounter nonsense
574 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
576 dnl Find 'hardtop_plat', the native format for 'hardtop'
577 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
579 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
580 dnl but we must not do that if we aren't building using Cygwin (notably msys),
581 dnl because cygpath doesn't exist. It seems that 'bash' sets OSTYPE to 'cygwin'
582 dnl or 'msys' respectively, but cygwin's 'sh' does not. So we hackily assume
583 dnl that if the shell hasn't set it to 'msys' then we must be in Cygwin. Sigh.
585 dnl The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
586 dnl about setting that correctly at the moment, so we just work around for now.
588 dnl The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
590 case $HostPlatform in
591 i386-unknown-mingw32 | i386-unknown-cygwin32)
592 if test "${OSTYPE}" != "msys"
594 # convert $hardtop to a path that mingw will understand too
595 cyghardtop=${hardtop}
596 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
597 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
599 hardtop_plat=${hardtop}
603 hardtop_plat=${hardtop}
607 AC_SUBST(hardtop_plat)
609 AC_MSG_RESULT(${hardtop})
611 # We don't support building in directories with spaces.
613 *' '*) AC_MSG_ERROR([
614 The build system does not support building in a directory containing
615 space characters. Suggestion: move the build tree somewhere else.])
619 dnl --------------------------------------------------------------
620 dnl * Project specific configuration options
621 dnl --------------------------------------------------------------
622 dnl What follows is a bunch of options that can either be configured
623 dnl through command line options to the configure script or by
624 dnl supplying defns in the build tree's mk/build.mk. Having the option to
625 dnl use either is considered a Feature.
627 dnl ** What command to use to compile compiler sources ?
628 dnl --------------------------------------------------------------
631 [AC_HELP_STRING([--with-ghc=ARG],
632 [Use ARG as the path to GHC [default=autodetect]])],
633 [WithGhc="$withval"],
634 [if test "$GHC" = ""; then
635 AC_PATH_PROG([GHC], [ghc])
641 [AC_HELP_STRING([--with-hc=ARG],
642 [Use ARG as the path to the compiler for compiling ordinary
643 Haskell code (default= value of --with-ghc)])],
649 if test "$WithGhc" != ""; then
650 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
651 AC_SUBST(GhcVersion)dnl
652 AC_SUBST(GhcMajVersion)dnl
653 AC_SUBST(GhcMinVersion)dnl
654 AC_SUBST(GhcPatchLevel)dnl
657 # Check whether this GHC has readline installed
660 AC_PATH_PROGS(NHC,nhc nhc98)
661 AC_PATH_PROG(HBC,hbc)
663 dnl ** Which gcc to use?
664 dnl --------------------------------------------------------------
666 [AC_HELP_STRING([--with-gcc=ARG],
667 [Use ARG as the path to GCC [default=autodetect]])],
668 [WhatGccIsCalled="$withval"
669 if test "x$HostPlatform" = "xi386-unknown-mingw32"
671 if test "${OSTYPE}" != "msys"
673 # Canonicalise to <drive>:/path/to/gcc
674 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
680 [WhatGccIsCalled="gcc"]
682 AC_SUBST(WhatGccIsCalled)
684 dnl ** Booting from .hc files?
685 dnl --------------------------------------------------------------
686 AC_ARG_ENABLE(hc-boot,
687 [AC_HELP_STRING([--enable-hc-boot],
688 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
689 (This option is mostly of interest to porters.) [default=no]])],
690 [ if test x"$enableval" = x"yes"; then
698 AC_SUBST(BootingFromHc)
700 dnl ** Booting from unregisterised .hc files?
701 dnl --------------------------------------------------------------
702 AC_ARG_ENABLE(hc-boot-unregisterised,
703 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
704 [ With --enable-hc-boot, treat the intermediate .hc files as
705 unregisterised rather than registerised code.
706 (This option is mostly of interest to porters.) [default=no]])],
707 [ if test x"$enableval" = x"yes"; then
708 BootingFromUnregisterisedHc=YES
710 BootingFromUnregisterisedHc=NO
713 [BootingFromUnregisterisedHc=NO]
715 AC_SUBST(BootingFromUnregisterisedHc)
717 if test "$BootingFromHc" = "NO"; then
718 if test "$BootingFromUnregisterisedHc" = "YES"; then
719 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
723 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
724 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
725 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
728 dnl ** Enable the construction of Win32 DLLs?
729 dnl --------------------------------------------------------------
731 dnl [ The ability to build the RTS and libraries as separate DLLs used
732 dnl to be supported, but isn't currently (updates to the RTS, compiler
733 dnl and build system would be required to bring it back again.)
734 dnl Hence, exposing it as an option is false advertisement, so better
735 dnl disable it to avoid confusion (but leave it commented-out rather
736 dnl than removed in order to remind ourselves to bring back the
737 dnl feature at some stage.) ]
739 dnl AC_ARG_ENABLE(win32-dlls,
740 dnl [ --enable-win32-dlls
741 dnl If on a Win32 platform running mingw32/cygwin, enable the
742 dnl construction of DLLs containing ghc-compiled code.
745 dnl case $HostOS_CPP in
748 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
752 dnl EnableWin32DLLs=YES
754 dnl [EnableWin32DLLs=NO]
756 dnl AC_SUBST(EnableWin32DLLs)
757 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
758 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
761 dnl ** Enable the building of the ObjectIO?
762 dnl --------------------------------------------------------------
763 AC_ARG_ENABLE(objectio,
764 [AC_HELP_STRING([--enable-objectio],
765 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
766 [ if test x"$enableval" = x"yes"; then
767 GhcLibsWithObjectIO=YES
769 GhcLibsWithObjectIO=NO
772 [GhcLibsWithObjectIO=NO]
774 AC_SUBST(GhcLibsWithObjectIO)
776 dnl ** .NET interop support?
777 dnl --------------------------------------------------------------
778 AC_ARG_ENABLE(dotnet,
779 [AC_HELP_STRING([--enable-dotnet],
780 [Build .NET interop layer. [default=no]])],
781 [ if test x"$enableval" = x"yes"; then
782 DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
788 AC_SUBST(DotnetSupport)
790 dnl --------------------------------------------------------------
791 dnl End of configure script option section
792 dnl --------------------------------------------------------------
795 dnl --------------------------------------------------------------
796 dnl * General configuration checks
797 dnl --------------------------------------------------------------
799 dnl ** Can the unix package be built?
800 dnl --------------------------------------------------------------
802 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
807 AC_SUBST([GhcLibsWithUnix])
812 dnl ** look for `perl', but only in /bin on Windows
815 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
816 if test -z "$PerlCmd"; then
817 echo "You must install the version of Perl shipped with GHC"
818 echo "(or a compatible one) in /bin."
823 AC_PATH_PROG(PerlCmd,perl)
824 if test -z "$PerlCmd"; then
825 echo "You must install perl before you can continue"
826 echo "Perhaps it is already installed, but not in your PATH?"
829 FPTOOLS_CHECK_PERL_VERSION
834 dnl ** does #! path/to/perl work? (sometimes it's too long...)
837 dnl ** check for Python
838 AC_PATH_PROG(PythonCmd,python)
840 dnl ** look for GCC and find out which version
841 dnl Figure out which C compiler to use. Gcc is preferred.
842 dnl If gcc, make sure it's at least 2.1
846 FP_GCC_NEEDS_NO_OMIT_LFPTR
847 FP_GCC_HAS_NO_UNIT_AT_A_TIME
849 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
852 dnl ** Without optimization some INLINE trickery fails for GHCi
855 dnl ** Try to add -mno-cygwin to the C compiler options
856 FP_CHECK_FLAG([-mno-cygwin], [
857 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
858 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
859 AC_SUBST(SRC_CC_OPTS)
861 dnl ** figure out how to do context diffs
864 dnl ** Find find command (for Win32's benefit)
867 dnl ** Find sort command (for the benefit of Win32 environs)
870 dnl ** figure out how to do a BSD-ish install
873 dnl If you can run configure, you certainly have /bin/sh
874 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
876 dnl ** how to invoke `ar' and `ranlib'
877 FP_PROG_AR_NEEDS_RANLIB
878 FP_PROG_AR_SUPPORTS_INPUT
880 dnl ** Check to see whether ln -s works
884 dnl ** Find the path to sed
885 AC_PATH_PROG(SedCmd,sed)
888 dnl ** check for time command
889 AC_PATH_PROG(TimeCmd,time)
892 dnl if GNU tar is named gtar, look for it first.
893 AC_PATH_PROGS(TarCmd,gtar tar,tar)
895 dnl ** check for DocBook toolchain
897 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl])
900 dnl ** check for ghc-pkg command
903 AC_ARG_WITH(greencard,
904 [AC_HELP_STRING([--with-greencard=ARG],
905 [Use ARG as the path to greencard [default=autodetct]])],
907 GreenCardCmd=$withval;
908 FPTOOLS_GREENCARD(3.00)
912 dnl ** check for installed happy binary + version
913 dnl (don't do it if we're booting from .hc files though.)
914 if test "$BootingFromHc" = "NO"; then
918 dnl ** check for installed haddock
921 dnl ** check for installed alex binary + version
922 dnl (don't do it if we're booting from .hc files though.)
923 if test "$BootingFromHc" = "NO"; then
927 dnl --------------------------------------------------
928 dnl ### program checking section ends here ###
929 dnl --------------------------------------------------
931 dnl --------------------------------------------------
932 dnl * Platform header file and syscall feature tests
933 dnl ### checking the state of the local header files and syscalls ###
935 dnl ** check for full ANSI header (.h) files
938 dnl ** Enable large file support. NB. do this before testing the type of
939 dnl off_t, because it will affect the result of that test.
942 dnl ** check for specific header (.h) files that we are interested in
943 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
945 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
946 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
948 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
949 GhcLibsWithReadline=YES
950 AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
952 GhcLibsWithReadline=NO
953 AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
955 AC_SUBST(GhcLibsWithReadline)
957 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
960 dnl ** how do we get a timezone name, and UTC offset ?
963 dnl ** do we have altzone?
966 dnl ** do we have long longs?
967 AC_CHECK_TYPES([long long])
969 dnl ** what are the sizes of various types
970 AC_CHECK_SIZEOF(char, 1)
971 AC_CHECK_SIZEOF(double, 8)
972 AC_CHECK_SIZEOF(float, 4)
973 AC_CHECK_SIZEOF(int, 4)
974 AC_CHECK_SIZEOF(long, 4)
975 if test "$ac_cv_type_long_long" = yes; then
976 AC_CHECK_SIZEOF(long long, 8)
978 AC_CHECK_SIZEOF(short, 2)
979 AC_CHECK_SIZEOF(unsigned char, 1)
980 AC_CHECK_SIZEOF(unsigned int, 4)
981 AC_CHECK_SIZEOF(unsigned long, 4)
982 if test "$ac_cv_type_long_long" = yes; then
983 AC_CHECK_SIZEOF(unsigned long long, 8)
985 AC_CHECK_SIZEOF(unsigned short, 2)
986 AC_CHECK_SIZEOF(void *, 4)
988 dnl ** what are alignment constraints on various types
989 FP_CHECK_ALIGNMENT(char)
990 FP_CHECK_ALIGNMENT(double)
991 FP_CHECK_ALIGNMENT(float)
992 FP_CHECK_ALIGNMENT(int)
993 FP_CHECK_ALIGNMENT(long)
994 if test "$ac_cv_type_long_long" = yes; then
995 FP_CHECK_ALIGNMENT(long long)
997 FP_CHECK_ALIGNMENT(short)
998 FP_CHECK_ALIGNMENT(unsigned char)
999 FP_CHECK_ALIGNMENT(unsigned int)
1000 FP_CHECK_ALIGNMENT(unsigned long)
1001 if test "$ac_cv_type_long_long" = yes; then
1002 FP_CHECK_ALIGNMENT(unsigned long long)
1004 FP_CHECK_ALIGNMENT(unsigned short)
1005 FP_CHECK_ALIGNMENT(void *)
1007 FP_CHECK_FUNC([WinExec],
1008 [@%:@include <windows.h>], [WinExec("",0)])
1010 FP_CHECK_FUNC([GetModuleFileName],
1011 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1013 dnl ** check return type of signal handlers
1014 dnl Foo: assumes we can use prototypes.
1015 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1016 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1017 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1018 dnl #include <signal.h>
1022 dnl void (*signal (int, void (*)(int)))(int);
1025 dnl [ac_cv_type_signal_handler=void_int],
1026 dnl [ac_cv_type_signal_handler=int_void])])
1027 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1028 dnl AC_DEFINE(VOID_INT_SIGNALS)
1031 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1033 if test "$ac_cv_type_signal" = void; then
1034 AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1037 dnl ** check for more functions
1038 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1039 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1040 dnl ** For ghc/rts/gmp:
1041 AC_CHECK_FUNCS([getpagesize])
1043 dnl ** check whether this machine has gmp3 installed
1044 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1045 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1046 HaveLibGmp=NO; LibGmp=not-installed))
1047 AC_SUBST(HaveLibGmp)
1050 dnl ** (Mac OS X only: check for GMP.framework)
1052 case $HostPlatform in
1054 AC_MSG_CHECKING([for GMP.framework])
1056 LIBS="-framework GMP"
1057 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1058 if test $HaveFrameworkGMP = YES; then
1059 AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1062 AC_MSG_RESULT([$HaveFrameworkGMP])
1065 AC_SUBST(HaveFrameworkGMP)
1067 dnl ** check for mingwex library
1068 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1069 AC_SUBST(HaveLibMingwEx)
1071 if test $HaveLibMingwEx = YES ; then
1072 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1075 if test "$HaveLibGmp" = "NO"; then
1076 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1077 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1081 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1082 dnl the order of these tests matters: bfd needs liberty
1083 AC_CHECK_LIB(iberty, xmalloc)
1084 AC_CHECK_LIB(bfd, bfd_init)
1086 dnl ** check for math library
1087 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1088 if test x"$fp_libm_not_needed" = xdunno; then
1089 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1093 dnl ################################################################
1094 dnl Check for libraries
1095 dnl ################################################################
1097 dnl ** check whether we need -ldl to get dlopen()
1099 AC_CHECK_LIB(dl, dlopen,
1101 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1106 dnl --------------------------------------------------
1107 dnl * Miscellaneous feature tests
1108 dnl --------------------------------------------------
1110 dnl ** can we get alloca?
1113 dnl ** Working vfork?
1116 dnl ** determine whether or not const works
1119 dnl ** are we big endian?
1122 dnl ** check for leading underscores in symbol names
1123 FP_LEADING_UNDERSCORE
1125 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1129 dnl ** check for Apple-style dead-stripping support
1130 dnl (.subsections-via-symbols assembler directive)
1133 AC_MSG_CHECKING(for .subsections_via_symbols)
1134 AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
1137 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1138 [Define to 1 if Apple-style dead-stripping is supported.])
1142 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
1143 [Define to 1 if Apple-style dead-stripping is supported.])
1146 dnl ** check for librt
1147 AC_CHECK_LIB(rt, clock_gettime)
1148 AC_CHECK_FUNCS(clock_gettime)
1150 dnl ** check for Apple's "interesting" long double compatibility scheme
1151 AC_MSG_CHECKING(for printf$LDBLStub)
1152 AC_TRY_LINK_FUNC(printf$LSBLStub,
1155 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1156 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1160 AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1161 [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1165 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1166 if test -n "$GTK_CONFIG"; then
1167 if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1168 GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1170 AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1174 AC_SUBST([GTK_CONFIG])
1176 AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
1177 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])