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([fptools build system], [1.0], [cvs-fptools@haskell.org], [fptools])
18 # First off, a distrib sanity check..
19 AC_CONFIG_SRCDIR([mk/config.mk.in])
21 dnl * We require autoconf version 2.52
22 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
23 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
26 dnl * Declare subdirectories that have a private configure script
28 dnl After the toplevel configuration is complete, the script will recurse into
29 dnl these subdirectories if they exist. The use of a cache file makes repeated
31 AC_CONFIG_SUBDIRS([ghc libraries])
33 # -------------------------------------------------------------------------
34 # Prepare to generate the following header files
37 AC_CONFIG_HEADER(mk/config.h)
39 # No, semi-sadly, we don't do `--srcdir'...
40 if test x"$srcdir" != 'x.' ; then
41 echo "This configuration does not support the \`--srcdir' option.."
45 dnl--------------------------------------------------------------------
46 dnl * Choose host(/target/build) platform
47 dnl--------------------------------------------------------------------
49 dnl Guess host/target/build platform(s) if necessary.
52 # "$host" defaults to "$target"
53 if test "x$host" = xNONE ; then
57 dnl ** canonicalize platform names
58 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
59 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
60 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
62 if test x"$TargetPlatform" != x"$HostPlatform" ; then
63 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
69 # The following will be more difficult when we *are* cross-compiling.
70 # Suitable names to slam in *_CPP are in platform.h.in.
71 # We also record the architecture, vendor, and operating system (OS)
74 alpha*-dec-osf[[12]]*)
75 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
76 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
77 BuildPlatform=alpha-dec-osf1 # hack
78 HostPlatform_CPP='alpha_dec_osf1'
83 alpha*-dec-osf[[345]]*)
84 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
85 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
86 BuildPlatform=alpha-dec-osf3 # hack
87 HostPlatform_CPP='alpha_dec_osf3'
92 alpha*-unknown-linux*)
93 HostPlatform=alpha-unknown-linux
94 TargetPlatform=alpha-unknown-linux
95 BuildPlatform=alpha-unknown-linux
96 HostPlatform_CPP='alpha_unknown_linux'
98 HostVendor_CPP='unknown'
101 alpha*-unknown-freebsd*)
102 HostPlatform=alpha-unknown-freebsd
103 TargetPlatform=alpha-unknown-freebsd
104 BuildPlatform=alpha-unknown-freebsd
105 HostPlatform_CPP='alpha_unknown_freebsd'
107 HostVendor_CPP='unknown'
110 alpha*-unknown-openbsd*)
111 HostPlatform=alpha-unknown-openbsd
112 TargetPlatform=alpha-unknown-openbsd
113 BuildPlatform=alpha-unknown-openbsd
114 HostPlatform_CPP='alpha_unknown_openbsd'
116 HostVendor_CPP='unknown'
119 amd64-*-openbsd*|x86_64-*-openbsd*)
120 HostPlatform=x86_64-unknown-openbsd
121 TargetPlatform=x86_64-unknown-openbsd
122 BuildPlatform=x86_64-unknown-openbsd
123 HostPlatform_CPP='x86_64_unknown_openbsd'
124 HostArch_CPP='x86_64'
125 HostVendor_CPP='unknown'
129 HostPlatform=arm-unknown-linux # hack again
130 TargetPlatform=arm-unknown-linux
131 BuildPlatform=arm-unknown-linux
132 HostPlatform_CPP='arm_unknown_linux'
134 HostVendor_CPP='unknown'
138 HostPlatform=arm-unknown-openbsd
139 TargetPlatform=arm-unknown-openbsd
140 BuildPlatform=arm-unknown-openbsd
141 HostPlatform_CPP='arm_unknown_openbsd'
143 HostVendor_CPP='unknown'
147 HostPlatform=hppa-unknown-linux # hack again
148 TargetPlatform=hppa-unknown-linux
149 BuildPlatform=hppa-unknown-linux
150 HostPlatform_CPP='hppa_unknown_linux'
152 HostVendor_CPP='unknown'
156 HostPlatform=hppa-unknown-openbsd # hack again
157 TargetPlatform=hppa-unknown-openbsd
158 BuildPlatform=hppa-unknown-openbsd
159 HostPlatform_CPP='hppa_unknown_openbsd'
161 HostVendor_CPP='unknown'
165 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
166 TargetPlatform=hppa1.1-hp-hpux
167 BuildPlatform=hppa1.1-hp-hpux
168 HostPlatform_CPP='hppa1_1_hp_hpux'
169 HostArch_CPP='hppa1_1'
173 i[[3456]]86-*-linuxaout*)
174 HostPlatform=i386-unknown-linuxaout # hack again
175 TargetPlatform=i386-unknown-linuxaout
176 BuildPlatform=i386-unknown-linuxaout
177 HostPlatform_CPP='i386_unknown_linuxaout'
179 HostVendor_CPP='unknown'
180 HostOS_CPP='linuxaout'
182 i[[3456]]86-*-linux*)
183 HostPlatform=i386-unknown-linux # hack again
184 TargetPlatform=i386-unknown-linux
185 BuildPlatform=i386-unknown-linux
186 HostPlatform_CPP='i386_unknown_linux'
188 HostVendor_CPP='unknown'
191 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
192 HostPlatform=i386-unknown-freebsd # hack again
193 TargetPlatform=i386-unknown-freebsd
194 BuildPlatform=i386-unknown-freebsd
195 HostPlatform_CPP='i386_unknown_freebsd'
197 HostVendor_CPP='unknown'
200 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
201 HostPlatform=i386-unknown-freebsd2 # hack again
202 TargetPlatform=i386-unknown-freebsd2
203 BuildPlatform=i386-unknown-freebsd2
204 HostPlatform_CPP='i386_unknown_freebsd2'
206 HostVendor_CPP='unknown'
207 HostOS_CPP='freebsd2'
209 i[[3456]]86-*-netbsd*)
210 HostPlatform=i386-unknown-netbsd # hack again
211 TargetPlatform=i386-unknown-netbsd
212 BuildPlatform=i386-unknown-netbsd
213 HostPlatform_CPP='i386_unknown_netbsd'
215 HostVendor_CPP='unknown'
218 i[[3456]]86-*-openbsd*)
219 HostPlatform=i386-unknown-openbsd # hack again
220 TargetPlatform=i386-unknown-openbsd
221 BuildPlatform=i386-unknown-openbsd
222 HostPlatform_CPP='i386_unknown_openbsd'
224 HostVendor_CPP='unknown'
227 i[[3456]]86-*-solaris2*)
228 HostPlatform=i386-unknown-solaris2 # hack again
229 TargetPlatform=i386-unknown-solaris2
230 BuildPlatform=i386-unknown-solaris2
231 HostPlatform_CPP='i386_unknown_solaris2'
233 HostVendor_CPP='unknown'
234 HostOS_CPP='solaris2'
236 i[[3456]]86-*-cygwin*)
237 HostPlatform=i386-unknown-cygwin32 # hack again
238 TargetPlatform=i386-unknown-cygwin32
239 BuildPlatform=i386-unknown-cygwin32
240 HostPlatform_CPP='i386_unknown_cygwin32'
242 HostVendor_CPP='unknown'
243 HostOS_CPP='cygwin32'
246 i[[3456]]86-*-mingw32*)
247 HostPlatform=i386-unknown-mingw32 # hack again
248 TargetPlatform=i386-unknown-mingw32
249 BuildPlatform=i386-unknown-mingw32
250 HostPlatform_CPP='i386_unknown_mingw32'
252 HostVendor_CPP='unknown'
257 HostPlatform=ia64-unknown-linux # hack again
258 TargetPlatform=ia64-unknown-linux
259 BuildPlatform=ia64-unknown-linux
260 HostPlatform_CPP='ia64_unknown_linux'
262 HostVendor_CPP='unknown'
266 HostPlatform=x86_64-unknown-linux
267 TargetPlatform=x86_64-unknown-linux
268 BuildPlatform=x86_64-unknown-linux
269 HostPlatform_CPP='x86_64_unknown_linux'
270 HostArch_CPP='x86_64'
271 HostVendor_CPP='unknown'
275 HostPlatform=m68k-unknown-linux # hack again
276 TargetPlatform=m68k-unknown-linux
277 BuildPlatform=m68k-unknown-linux
278 HostPlatform_CPP='m68k_unknown_linux'
280 HostVendor_CPP='unknown'
284 HostPlatform_CPP='m68k_next_nextstep2'
286 HostVendor_CPP='next'
287 HostOS_CPP='nextstep2'
290 HostPlatform_CPP='m68k_next_nextstep3'
292 HostVendor_CPP='next'
293 HostOS_CPP='nextstep3'
295 i[[3456]]86-next-nextstep3)
296 HostPlatform=i386-next-nextstep3 # hack again
297 TargetPlatform=i386-next-nextstep3
298 BuildPlatform=i386-next-nextstep3
299 HostPlatform_CPP='i386_next_nextstep3'
301 HostVendor_CPP='next'
302 HostOS_CPP='nextstep3'
305 HostPlatform=m68k-unknown-openbsd
306 TargetPlatform=m68k-unknown-openbsd
307 BuildPlatform=m68k-unknown-openbsd
308 HostPlatform_CPP='m68k_unknown_openbsd'
310 HostVendor_CPP='unknown'
314 HostPlatform=m68k-unknown-netbsd
315 TargetPlatform=m68k-unknown-netbsd
316 BuildPlatform=m68k-unknown-netbsd
317 HostPlatform_CPP='m68k_unknown_netbsd'
319 HostVendor_CPP='unknown'
323 HostPlatform=m68k-sun-sunos4
324 TargetPlatform=m68k-sun-sunos4 #hack
325 BuildPlatform=m68k-sun-sunos4 #hack
326 HostPlatform_CPP='m68k_sun_sunos4'
332 HostPlatform=m88k-unknown-openbsd
333 TargetPlatform=m88k-unknown-openbsd
334 BuildPlatform=m88k-unknown-openbsd
335 HostPlatform_CPP='m88k_unknown_openbsd'
337 HostVendor_CPP='unknown'
341 HostPlatform=mips-unknown-linux # hack again
342 TargetPlatform=mips-unknown-linux
343 BuildPlatform=mips-unknown-linux
344 HostPlatform_CPP='mips_unknown_linux'
346 HostVendor_CPP='unknown'
350 HostPlatform_CPP='mips_dec_ultrix'
351 HostArch_CPP='mipsel' # NB a little different
356 HostPlatform=mips-sgi-irix
357 TargetPlatform=mips-sgi-irix #hack
358 BuildPlatform=mips-sgi-irix #hack
359 HostPlatform_CPP='mips_sgi_irix'
360 HostArch_CPP='mipseb' # NB a little different
365 HostPlatform=rs6000-ibm-aix
366 TargetPlatform=rs6000-ibm-aix #hack
367 BuildPlatform=rs6000-ibm-aix #hack
368 HostPlatform_CPP='rs6000_ibm_aix'
369 HostArch_CPP='rs6000'
374 HostPlatform=powerpc-ibm-aix
375 TargetPlatform=powerpc-ibm-aix #hack
376 BuildPlatform=powerpc-ibm-aix #hack
377 HostPlatform_CPP='powerpc_ibm_aix'
378 HostArch_CPP='powerpc'
382 powerpc-apple-darwin*)
383 HostPlatform=powerpc-apple-darwin
384 TargetPlatform=powerpc-apple-darwin #hack
385 BuildPlatform=powerpc-apple-darwin #hack
386 HostPlatform_CPP='powerpc_apple_darwin'
387 HostArch_CPP='powerpc'
388 HostVendor_CPP='apple'
391 powerpc-unknown-linux*)
392 HostPlatform=powerpc-unknown-linux
393 TargetPlatform=powerpc-unknown-linux
394 BuildPlatform=powerpc-unknown-linux
395 HostPlatform_CPP='powerpc_unknown_linux'
396 HostArch_CPP='powerpc'
397 HostVendor_CPP='unknown'
400 powerpc-unknown-openbsd*)
401 HostPlatform=powerpc-unknown-openbsd
402 TargetPlatform=powerpc-unknown-openbsd
403 BuildPlatform=powerpc-unknown-openbsd
404 HostPlatform_CPP='powerpc_unknown_openbsd'
405 HostArch_CPP='powerpc'
406 HostVendor_CPP='unknown'
409 powerpc64-unknown-linux*)
410 HostPlatform=powerpc64-unknown-linux
411 TargetPlatform=powerpc64-unknown-linux
412 BuildPlatform=powerpc64-unknown-linux
413 HostPlatform_CPP='powerpc64_unknown_linux'
414 HostArch_CPP='powerpc64'
415 HostVendor_CPP='unknown'
420 HostPlatform=s390-ibm-linux
421 TargetPlatform=s390-ibm-linux #hack
422 BuildPlatform=s390-ibm-linux #hack
423 HostPlatform_CPP='s390_ibm_linux'
429 HostPlatform=sparc-sun-sunos4
430 TargetPlatform=sparc-sun-sunos4 #hack
431 BuildPlatform=sparc-sun-sunos4 #hack
432 HostPlatform_CPP='sparc_sun_sunos4'
438 HostPlatform=sparc-sun-solaris2
439 TargetPlatform=sparc-sun-solaris2 #hack
440 BuildPlatform=sparc-sun-solaris2 #hack
441 HostPlatform_CPP='sparc_sun_solaris2'
444 HostOS_CPP='solaris2'
447 HostPlatform=sparc-unknown-linux
448 TargetPlatform=sparc-unknown-linux
449 BuildPlatform=sparc-unknown-linux
450 HostPlatform_CPP='sparc_unknown_linux'
452 HostVendor_CPP='unknown'
456 HostPlatform=sparc-unknown-openbsd
457 TargetPlatform=sparc-unknown-openbsd
458 BuildPlatform=sparc-unknown-openbsd
459 HostPlatform_CPP='sparc_unknown_openbsd'
461 HostVendor_CPP='unknown'
465 HostPlatform=sparc64-unknown-openbsd
466 TargetPlatform=sparc64-unknown-openbsd
467 BuildPlatform=sparc64-unknown-openbsd
468 HostPlatform_CPP='sparc64_unknown_openbsd'
469 HostArch_CPP='sparc64'
470 HostVendor_CPP='unknown'
474 HostPlatform=vax-unknown-openbsd
475 TargetPlatform=vax-unknown-openbsd
476 BuildPlatform=vax-unknown-openbsd
477 HostPlatform_CPP='vax_unknown_openbsd'
479 HostVendor_CPP='unknown'
483 echo "Unrecognised platform: $HostPlatform"
487 echo "Canonicalised to: $HostPlatform"
488 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
489 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
491 BuildPlatform_CPP=$HostPlatform_CPP
492 TargetPlatform_CPP=$HostPlatform_CPP
493 BuildArch_CPP=$HostArch_CPP
494 TargetArch_CPP=$HostArch_CPP
495 BuildOS_CPP=$HostOS_CPP
497 TargetOS_CPP=$HostOS_CPP
498 BuildVendor_CPP=$HostVendor_CPP
499 TargetVendor_CPP=$HostVendor_CPP
501 AC_SUBST(BuildPlatform)
502 AC_SUBST(HostPlatform)
503 AC_SUBST(TargetPlatform)
504 AC_SUBST(HostPlatform_CPP)
505 AC_SUBST(BuildPlatform_CPP)
506 AC_SUBST(TargetPlatform_CPP)
508 AC_SUBST(HostArch_CPP)
509 AC_SUBST(BuildArch_CPP)
510 AC_SUBST(TargetArch_CPP)
513 AC_SUBST(HostOS_Full)
514 AC_SUBST(BuildOS_CPP)
515 AC_SUBST(TargetOS_CPP)
517 AC_SUBST(HostVendor_CPP)
518 AC_SUBST(BuildVendor_CPP)
519 AC_SUBST(TargetVendor_CPP)
523 dnl --------------------------------------------------------------
524 dnl * Calculate absolute path to build tree
525 dnl --------------------------------------------------------------
527 AC_MSG_CHECKING(for path to top of build tree)
531 dnl Remove common automounter nonsense
533 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
535 dnl Find 'hardtop_plat', the native format for 'hardtop'
536 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
538 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
539 dnl but we must not do that if we aren't building using Cygwin (notably msys),
540 dnl because cygpath doesn't exist. It seems that 'bash' sets OSTYPE to 'cygwin'
541 dnl or 'msys' respectively, but cygwin's 'sh' does not. So we hackily assume
542 dnl that if the shell hasn't set it to 'msys' then we must be in Cygwin. Sigh.
544 dnl The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
545 dnl about setting that correctly at the moment, so we just work around for now.
547 dnl The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
549 case $HostPlatform in
550 i386-unknown-mingw32 | i386-unknown-cygwin32)
551 if test "${OSTYPE}" != "msys"
553 # convert $hardtop to a path that mingw will understand too
554 cyghardtop=${hardtop}
555 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
556 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
558 hardtop_plat=${hardtop}
562 hardtop_plat=${hardtop}
566 AC_SUBST(hardtop_plat)
568 AC_MSG_RESULT(${hardtop})
570 dnl --------------------------------------------------------------
571 dnl * Project specific configuration options
572 dnl --------------------------------------------------------------
573 dnl What follows is a bunch of options that can either be configured
574 dnl through command line options to the configure script or by
575 dnl supplying defns in the build tree's mk/build.mk. Having the option to
576 dnl use either is considered a Feature.
578 dnl ** What command to use to compile compiler sources ?
579 dnl --------------------------------------------------------------
582 [AC_HELP_STRING([--with-ghc=ARG],
583 [Use ARG as the path to GHC [default=autodetect]])],
584 [WithGhc="$withval"],
585 [if test "$GHC" = ""; then
586 AC_PATH_PROG([GHC], [ghc])
592 [AC_HELP_STRING([--with-hc=ARG],
593 [Use ARG as the path to the compiler for compiling ordinary
594 Haskell code (default= value of --with-ghc)])],
600 if test "$WithGhc" != ""; then
601 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
602 AC_SUBST(GhcVersion)dnl
603 AC_SUBST(GhcMajVersion)dnl
604 AC_SUBST(GhcMinVersion)dnl
605 AC_SUBST(GhcPatchLevel)dnl
608 AC_PATH_PROGS(NHC,nhc nhc98)
609 AC_PATH_PROG(HBC,hbc)
611 dnl ** Which gcc to use?
612 dnl --------------------------------------------------------------
614 [AC_HELP_STRING([--with-gcc=ARG],
615 [Use ARG as the path to GCC [default=autodetect]])],
616 [WhatGccIsCalled="$withval"
617 if test "x$HostPlatform" = "xi386-unknown-mingw32"
619 if test "${OSTYPE}" != "msys"
621 # Canonicalise to <drive>:/path/to/gcc
622 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
628 [WhatGccIsCalled="gcc"]
630 AC_SUBST(WhatGccIsCalled)
632 dnl ** Booting from .hc files?
633 dnl --------------------------------------------------------------
634 AC_ARG_ENABLE(hc-boot,
635 [AC_HELP_STRING([--enable-hc-boot],
636 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
637 (This option is mostly of interest to porters.) [default=no]])],
638 [ if test x"$enableval" = x"yes"; then
646 AC_SUBST(BootingFromHc)
648 dnl ** Booting from unregisterised .hc files?
649 dnl --------------------------------------------------------------
650 AC_ARG_ENABLE(hc-boot-unregisterised,
651 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
652 [ With --enable-hc-boot, treat the intermediate .hc files as
653 unregisterised rather than registerised code.
654 (This option is mostly of interest to porters.) [default=no]])],
655 [ if test x"$enableval" = x"yes"; then
656 BootingFromUnregisterisedHc=YES
658 BootingFromUnregisterisedHc=NO
661 [BootingFromUnregisterisedHc=NO]
663 AC_SUBST(BootingFromUnregisterisedHc)
665 if test "$BootingFromHc" = "NO"; then
666 if test "$BootingFromUnregisterisedHc" = "YES"; then
667 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
671 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
672 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
673 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
676 dnl ** --enable-threaded-rts (not used any more)
677 dnl --------------------------------------------------------------
678 AC_ARG_ENABLE(threaded-rts,
679 [AC_HELP_STRING([--enable-threaded-rts],
680 [DEPRECATED (backwards compatibility only). [default=no]])],
681 [ if test x"$enableval" = x"yes"; then
689 AC_SUBST(ThreadedRts)
691 dnl ** Enable the construction of Win32 DLLs?
692 dnl --------------------------------------------------------------
694 dnl [ The ability to build the RTS and libraries as separate DLLs used
695 dnl to be supported, but isn't currently (updates to the RTS, compiler
696 dnl and build system would be required to bring it back again.)
697 dnl Hence, exposing it as an option is false advertisement, so better
698 dnl disable it to avoid confusion (but leave it commented-out rather
699 dnl than removed in order to remind ourselves to bring back the
700 dnl feature at some stage.) ]
702 dnl AC_ARG_ENABLE(win32-dlls,
703 dnl [ --enable-win32-dlls
704 dnl If on a Win32 platform running mingw32/cygwin, enable the
705 dnl construction of DLLs containing ghc-compiled code.
708 dnl case $HostOS_CPP in
711 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
715 dnl EnableWin32DLLs=YES
717 dnl [EnableWin32DLLs=NO]
719 dnl AC_SUBST(EnableWin32DLLs)
720 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
721 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
724 dnl ** Enable the building of the ObjectIO?
725 dnl --------------------------------------------------------------
726 AC_ARG_ENABLE(objectio,
727 [AC_HELP_STRING([--enable-objectio],
728 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
729 [ if test x"$enableval" = x"yes"; then
730 GhcLibsWithObjectIO=YES
732 GhcLibsWithObjectIO=NO
735 [GhcLibsWithObjectIO=NO]
737 AC_SUBST(GhcLibsWithObjectIO)
739 dnl ** .NET interop support?
740 dnl --------------------------------------------------------------
741 AC_ARG_ENABLE(dotnet,
742 [AC_HELP_STRING([--enable-dotnet],
743 [Build .NET interop layer. [default=no]])],
744 [ if test x"$enableval" = x"yes"; then
745 DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
751 AC_SUBST(DotnetSupport)
753 dnl --------------------------------------------------------------
754 dnl End of configure script option section
755 dnl --------------------------------------------------------------
758 dnl --------------------------------------------------------------
759 dnl * General configuration checks
760 dnl --------------------------------------------------------------
762 dnl ** Can the unix package be built?
763 dnl --------------------------------------------------------------
765 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
770 AC_SUBST([GhcLibsWithUnix])
775 dnl ** look for `perl', but only in /bin on Windows
778 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
779 if test -z "$PerlCmd"; then
780 echo "You must install the version of Perl shipped with GHC"
781 echo "(or a compatible one) in /bin."
786 AC_PATH_PROG(PerlCmd,perl)
787 if test -z "$PerlCmd"; then
788 echo "You must install perl before you can continue"
789 echo "Perhaps it is already installed, but not in your PATH?"
792 FPTOOLS_CHECK_PERL_VERSION
797 dnl ** does #! path/to/perl work? (sometimes it's too long...)
800 dnl ** check for Python
801 AC_PATH_PROG(PythonCmd,python)
803 dnl ** look for GCC and find out which version
804 dnl Figure out which C compiler to use. Gcc is preferred.
805 dnl If gcc, make sure it's at least 2.1
810 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
813 dnl ** Without optimization some INLINE trickery fails for GHCi
816 dnl ** Try to add -mno-cygwin to the C compiler options
817 FP_CHECK_FLAG([-mno-cygwin], [
818 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
819 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
820 AC_SUBST(SRC_CC_OPTS)
822 dnl ** figure out how to do context diffs
825 dnl ** Find find command (for Win32's benefit)
828 dnl ** figure out how to do a BSD-ish install
831 dnl If you can run configure, you certainly have /bin/sh
832 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
834 dnl ** how to invoke `ar' and `ranlib'
835 FP_PROG_AR_NEEDS_RANLIB
836 FP_PROG_AR_SUPPORTS_INPUT
838 dnl ** Check to see whether ln -s works
842 dnl ** Find the path to sed
843 AC_PATH_PROG(SedCmd,sed)
846 dnl ** check for time command
847 AC_PATH_PROG(TimeCmd,time)
850 dnl if GNU tar is named gtar, look for it first.
851 AC_PATH_PROGS(TarCmd,gtar tar,tar)
853 dnl ** check for DocBook toolchain
855 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook])
858 dnl ** check for ghc-pkg command
861 AC_ARG_WITH(greencard,
862 [AC_HELP_STRING([--with-greencard=ARG],
863 [Use ARG as the path to greencard [default=autodetct]])],
865 GreenCardCmd=$withval;
866 FPTOOLS_GREENCARD(3.00)
870 AC_ARG_ENABLE(src-tree-happy,
871 [AC_HELP_STRING([--enable-src-tree-happy],
872 [Build and use source tree (fptools/happy) version of Happy.
873 [default=autodetect]])],
874 [ if test x"$enableval" = x"yes"; then
882 dnl ** check for installed happy binary + version
883 dnl (don't do it if we're booting from .hc files though.)
884 if test "$BootingFromHc" = "NO"; then
888 AC_ARG_ENABLE(src-tree-haddock,
889 [AC_HELP_STRING([--enable-src-tree-haddock],
890 [Build and use source tree (fptools/haddock) version of Haddock.
891 [default=autodetect]])],
892 [ if test x"$enableval" = x"yes"; then
893 UseSrcTreeHaddock=YES
898 [UseSrcTreeHaddock=NO]
900 dnl ** check for installed haddock
903 AC_ARG_ENABLE(src-tree-alex,
904 [AC_HELP_STRING([--enable-src-tree-alex],
905 [Build and use source tree (fptools/alex) version of Alex.
906 [default=autodetect]])],
907 [ if test x"$enableval" = x"yes"; then
915 dnl ** check for installed alex binary + version
916 dnl (don't do it if we're booting from .hc files though.)
917 if test "$BootingFromHc" = "NO"; then
921 dnl --------------------------------------------------
922 dnl ### program checking section ends here ###
923 dnl --------------------------------------------------
925 dnl --------------------------------------------------
926 dnl * Platform header file and syscall feature tests
927 dnl ### checking the state of the local header files and syscalls ###
929 dnl ** check for full ANSI header (.h) files
932 dnl ** Enable large file support. NB. do this before testing the type of
933 dnl off_t, because it will affect the result of that test.
936 dnl ** check for specific header (.h) files that we are interested in
937 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])
939 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
940 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
942 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
943 GhcLibsWithReadline=YES
944 AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
946 GhcLibsWithReadline=NO
947 AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
949 AC_SUBST(GhcLibsWithReadline)
951 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
954 dnl ** how do we get a timezone name, and UTC offset ?
957 dnl ** do we have altzone?
960 dnl ** do we have long longs?
961 AC_CHECK_TYPES([long long])
963 dnl ** what are the sizes of various types
964 AC_CHECK_SIZEOF(char, 1)
965 AC_CHECK_SIZEOF(double, 8)
966 AC_CHECK_SIZEOF(float, 4)
967 AC_CHECK_SIZEOF(int, 4)
968 AC_CHECK_SIZEOF(long, 4)
969 if test "$ac_cv_type_long_long" = yes; then
970 AC_CHECK_SIZEOF(long long, 8)
972 AC_CHECK_SIZEOF(short, 2)
973 AC_CHECK_SIZEOF(unsigned char, 1)
974 AC_CHECK_SIZEOF(unsigned int, 4)
975 AC_CHECK_SIZEOF(unsigned long, 4)
976 if test "$ac_cv_type_long_long" = yes; then
977 AC_CHECK_SIZEOF(unsigned long long, 8)
979 AC_CHECK_SIZEOF(unsigned short, 2)
980 AC_CHECK_SIZEOF(void *, 4)
982 dnl ** what are alignment constraints on various types
983 FP_CHECK_ALIGNMENT(char)
984 FP_CHECK_ALIGNMENT(double)
985 FP_CHECK_ALIGNMENT(float)
986 FP_CHECK_ALIGNMENT(int)
987 FP_CHECK_ALIGNMENT(long)
988 if test "$ac_cv_type_long_long" = yes; then
989 FP_CHECK_ALIGNMENT(long long)
991 FP_CHECK_ALIGNMENT(short)
992 FP_CHECK_ALIGNMENT(unsigned char)
993 FP_CHECK_ALIGNMENT(unsigned int)
994 FP_CHECK_ALIGNMENT(unsigned long)
995 if test "$ac_cv_type_long_long" = yes; then
996 FP_CHECK_ALIGNMENT(unsigned long long)
998 FP_CHECK_ALIGNMENT(unsigned short)
999 FP_CHECK_ALIGNMENT(void *)
1001 FP_CHECK_FUNC([WinExec],
1002 [@%:@include <windows.h>], [WinExec("",0)])
1004 FP_CHECK_FUNC([GetModuleFileName],
1005 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1007 dnl ** check return type of signal handlers
1008 dnl Foo: assumes we can use prototypes.
1009 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1010 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1011 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1012 dnl #include <signal.h>
1016 dnl void (*signal (int, void (*)(int)))(int);
1019 dnl [ac_cv_type_signal_handler=void_int],
1020 dnl [ac_cv_type_signal_handler=int_void])])
1021 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1022 dnl AC_DEFINE(VOID_INT_SIGNALS)
1025 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1027 if test "$ac_cv_type_signal" = void; then
1028 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).])
1031 dnl ** check for more functions
1032 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1033 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times])
1034 dnl ** For ghc/rts/gmp:
1035 AC_CHECK_FUNCS([getpagesize])
1037 dnl ** check whether this machine has gmp3 installed
1038 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1039 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1040 HaveLibGmp=NO; LibGmp=not-installed))
1041 AC_SUBST(HaveLibGmp)
1044 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1045 HaveFrameworkHaskellSupport=NO
1046 if test $HostPlatform = "powerpc-apple-darwin"; then
1047 AC_MSG_CHECKING([for HaskellSupport.framework])
1049 LIBS="-framework HaskellSupport"
1050 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1051 if test $HaveFrameworkHaskellSupport = YES; then
1052 AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1055 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1057 AC_SUBST(HaveFrameworkHaskellSupport)
1059 dnl ** check for mingwex library
1060 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1061 AC_SUBST(HaveLibMingwEx)
1063 if test $HaveLibMingwEx = YES ; then
1064 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1067 if test "$HaveLibGmp" = "NO"; then
1068 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1069 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1073 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1074 dnl the order of these tests matters: bfd needs liberty
1075 AC_CHECK_LIB(iberty, xmalloc)
1076 AC_CHECK_LIB(bfd, bfd_init)
1078 dnl ** check for readline, for Hugs and hslibs' Readline
1079 dnl ncurses supersedes termcap and curses, but for compatibility,
1080 dnl we have to check for all...
1081 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1082 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1083 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1084 HaveLibTermcap=NO; LibTermcap=not-installed)))
1086 if test $HaveLibTermcap = YES ; then
1087 LIBS="-l$LibTermcap $LIBS"
1088 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1091 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1092 AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1093 LibsReadline="readline $LibTermcap"
1095 AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1098 AC_SUBST(LibsReadline)
1100 if test "$HaveLibReadline"; then
1101 AC_CHECK_LIB(readline, rl_erase_empty_line,
1102 [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1103 [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1104 AC_CHECK_LIB(readline, rl_free_undo_list,
1105 [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1106 [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1108 AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1109 AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1112 dnl ** check for math library
1113 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1116 dnl ################################################################
1117 dnl Check for libraries
1118 dnl ################################################################
1120 dnl ** check for libdl & RTLD_NEXT
1122 dnl (Mac OS X only) ... but don't check if we already have the
1123 dnl HaskellSupport.framework
1125 if test $HaveFrameworkHaskellSupport = YES; then
1129 AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1131 AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1133 AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1135 AC_SUBST(HaveRtldNext)
1136 AC_SUBST(HaveRtldLocal)
1137 AC_SUBST(HaveRtldGlobal)
1138 AC_SUBST(HaveRtldNow)
1140 AC_CHECK_LIB(dl, dlopen,
1142 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1147 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1148 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1157 AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1163 AC_SUBST(HaveRtldNext)
1165 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1166 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1175 AC_DEFINE(HAVE_RTLDLOCAL)
1181 AC_SUBST(HaveRtldLocal)
1183 dnl ** RTLD_GLOBAL isn't available on openbsd
1184 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1193 AC_DEFINE(HAVE_RTLDGLOBAL)
1199 AC_SUBST(HaveRtldGlobal)
1201 dnl ** RTLD_NOW isn't available on openbsd
1202 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1211 AC_DEFINE(HAVE_RTLDNOW)
1217 AC_SUBST(HaveRtldNow)
1220 dnl --------------------------------------------------
1221 dnl * Miscellaneous feature tests
1222 dnl --------------------------------------------------
1224 dnl ** can we get alloca?
1227 dnl ** Working vfork?
1230 dnl ** determine whether or not const works
1233 dnl ** are we big endian?
1236 dnl ** check for leading underscores in symbol names
1237 FP_LEADING_UNDERSCORE
1239 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1243 dnl ** check for Apple-style dead-stripping support
1244 dnl (.subsections-via-symbols assembler directive)
1247 AC_MSG_CHECKING(for .subsections_via_symbols)
1248 AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
1251 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1252 [Define to 1 if Apple-style dead-stripping is supported.])
1255 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
1256 [Define to 1 if Apple-style dead-stripping is supported.])
1259 AC_CONFIG_FILES([mk/config.mk])
1260 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])