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 # We don't support building in directories with spaces.
572 *' '*) AC_MSG_ERROR([
573 The build system does not support building in a directory containing
574 space characters. Suggestion: move the build tree somewhere else.])
578 dnl --------------------------------------------------------------
579 dnl * Project specific configuration options
580 dnl --------------------------------------------------------------
581 dnl What follows is a bunch of options that can either be configured
582 dnl through command line options to the configure script or by
583 dnl supplying defns in the build tree's mk/build.mk. Having the option to
584 dnl use either is considered a Feature.
586 dnl ** What command to use to compile compiler sources ?
587 dnl --------------------------------------------------------------
590 [AC_HELP_STRING([--with-ghc=ARG],
591 [Use ARG as the path to GHC [default=autodetect]])],
592 [WithGhc="$withval"],
593 [if test "$GHC" = ""; then
594 AC_PATH_PROG([GHC], [ghc])
600 [AC_HELP_STRING([--with-hc=ARG],
601 [Use ARG as the path to the compiler for compiling ordinary
602 Haskell code (default= value of --with-ghc)])],
608 if test "$WithGhc" != ""; then
609 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
610 AC_SUBST(GhcVersion)dnl
611 AC_SUBST(GhcMajVersion)dnl
612 AC_SUBST(GhcMinVersion)dnl
613 AC_SUBST(GhcPatchLevel)dnl
616 AC_PATH_PROGS(NHC,nhc nhc98)
617 AC_PATH_PROG(HBC,hbc)
619 dnl ** Which gcc to use?
620 dnl --------------------------------------------------------------
622 [AC_HELP_STRING([--with-gcc=ARG],
623 [Use ARG as the path to GCC [default=autodetect]])],
624 [WhatGccIsCalled="$withval"
625 if test "x$HostPlatform" = "xi386-unknown-mingw32"
627 if test "${OSTYPE}" != "msys"
629 # Canonicalise to <drive>:/path/to/gcc
630 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
636 [WhatGccIsCalled="gcc"]
638 AC_SUBST(WhatGccIsCalled)
640 dnl ** Booting from .hc files?
641 dnl --------------------------------------------------------------
642 AC_ARG_ENABLE(hc-boot,
643 [AC_HELP_STRING([--enable-hc-boot],
644 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
645 (This option is mostly of interest to porters.) [default=no]])],
646 [ if test x"$enableval" = x"yes"; then
654 AC_SUBST(BootingFromHc)
656 dnl ** Booting from unregisterised .hc files?
657 dnl --------------------------------------------------------------
658 AC_ARG_ENABLE(hc-boot-unregisterised,
659 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
660 [ With --enable-hc-boot, treat the intermediate .hc files as
661 unregisterised rather than registerised code.
662 (This option is mostly of interest to porters.) [default=no]])],
663 [ if test x"$enableval" = x"yes"; then
664 BootingFromUnregisterisedHc=YES
666 BootingFromUnregisterisedHc=NO
669 [BootingFromUnregisterisedHc=NO]
671 AC_SUBST(BootingFromUnregisterisedHc)
673 if test "$BootingFromHc" = "NO"; then
674 if test "$BootingFromUnregisterisedHc" = "YES"; then
675 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
679 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
680 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
681 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
684 dnl ** --enable-threaded-rts (not used any more)
685 dnl --------------------------------------------------------------
686 AC_ARG_ENABLE(threaded-rts,
687 [AC_HELP_STRING([--enable-threaded-rts],
688 [DEPRECATED (backwards compatibility only). [default=no]])],
689 [ if test x"$enableval" = x"yes"; then
697 AC_SUBST(ThreadedRts)
699 dnl ** Enable the construction of Win32 DLLs?
700 dnl --------------------------------------------------------------
702 dnl [ The ability to build the RTS and libraries as separate DLLs used
703 dnl to be supported, but isn't currently (updates to the RTS, compiler
704 dnl and build system would be required to bring it back again.)
705 dnl Hence, exposing it as an option is false advertisement, so better
706 dnl disable it to avoid confusion (but leave it commented-out rather
707 dnl than removed in order to remind ourselves to bring back the
708 dnl feature at some stage.) ]
710 dnl AC_ARG_ENABLE(win32-dlls,
711 dnl [ --enable-win32-dlls
712 dnl If on a Win32 platform running mingw32/cygwin, enable the
713 dnl construction of DLLs containing ghc-compiled code.
716 dnl case $HostOS_CPP in
719 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
723 dnl EnableWin32DLLs=YES
725 dnl [EnableWin32DLLs=NO]
727 dnl AC_SUBST(EnableWin32DLLs)
728 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
729 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
732 dnl ** Enable the building of the ObjectIO?
733 dnl --------------------------------------------------------------
734 AC_ARG_ENABLE(objectio,
735 [AC_HELP_STRING([--enable-objectio],
736 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
737 [ if test x"$enableval" = x"yes"; then
738 GhcLibsWithObjectIO=YES
740 GhcLibsWithObjectIO=NO
743 [GhcLibsWithObjectIO=NO]
745 AC_SUBST(GhcLibsWithObjectIO)
747 dnl ** .NET interop support?
748 dnl --------------------------------------------------------------
749 AC_ARG_ENABLE(dotnet,
750 [AC_HELP_STRING([--enable-dotnet],
751 [Build .NET interop layer. [default=no]])],
752 [ if test x"$enableval" = x"yes"; then
753 DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
759 AC_SUBST(DotnetSupport)
761 dnl --------------------------------------------------------------
762 dnl End of configure script option section
763 dnl --------------------------------------------------------------
766 dnl --------------------------------------------------------------
767 dnl * General configuration checks
768 dnl --------------------------------------------------------------
770 dnl ** Can the unix package be built?
771 dnl --------------------------------------------------------------
773 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
778 AC_SUBST([GhcLibsWithUnix])
783 dnl ** look for `perl', but only in /bin on Windows
786 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
787 if test -z "$PerlCmd"; then
788 echo "You must install the version of Perl shipped with GHC"
789 echo "(or a compatible one) in /bin."
794 AC_PATH_PROG(PerlCmd,perl)
795 if test -z "$PerlCmd"; then
796 echo "You must install perl before you can continue"
797 echo "Perhaps it is already installed, but not in your PATH?"
800 FPTOOLS_CHECK_PERL_VERSION
805 dnl ** does #! path/to/perl work? (sometimes it's too long...)
808 dnl ** check for Python
809 AC_PATH_PROG(PythonCmd,python)
811 dnl ** look for GCC and find out which version
812 dnl Figure out which C compiler to use. Gcc is preferred.
813 dnl If gcc, make sure it's at least 2.1
818 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
821 dnl ** Without optimization some INLINE trickery fails for GHCi
824 dnl ** Try to add -mno-cygwin to the C compiler options
825 FP_CHECK_FLAG([-mno-cygwin], [
826 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
827 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
828 AC_SUBST(SRC_CC_OPTS)
830 dnl ** figure out how to do context diffs
833 dnl ** Find find command (for Win32's benefit)
836 dnl ** figure out how to do a BSD-ish install
839 dnl If you can run configure, you certainly have /bin/sh
840 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
842 dnl ** how to invoke `ar' and `ranlib'
843 FP_PROG_AR_NEEDS_RANLIB
844 FP_PROG_AR_SUPPORTS_INPUT
846 dnl ** Check to see whether ln -s works
850 dnl ** Find the path to sed
851 AC_PATH_PROG(SedCmd,sed)
854 dnl ** check for time command
855 AC_PATH_PROG(TimeCmd,time)
858 dnl if GNU tar is named gtar, look for it first.
859 AC_PATH_PROGS(TarCmd,gtar tar,tar)
861 dnl ** check for DocBook toolchain
863 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook])
866 dnl ** check for ghc-pkg command
869 AC_ARG_WITH(greencard,
870 [AC_HELP_STRING([--with-greencard=ARG],
871 [Use ARG as the path to greencard [default=autodetct]])],
873 GreenCardCmd=$withval;
874 FPTOOLS_GREENCARD(3.00)
878 AC_ARG_ENABLE(src-tree-happy,
879 [AC_HELP_STRING([--enable-src-tree-happy],
880 [Build and use source tree (fptools/happy) version of Happy.
881 [default=autodetect]])],
882 [ if test x"$enableval" = x"yes"; then
890 dnl ** check for installed happy binary + version
891 dnl (don't do it if we're booting from .hc files though.)
892 if test "$BootingFromHc" = "NO"; then
896 AC_ARG_ENABLE(src-tree-haddock,
897 [AC_HELP_STRING([--enable-src-tree-haddock],
898 [Build and use source tree (fptools/haddock) version of Haddock.
899 [default=autodetect]])],
900 [ if test x"$enableval" = x"yes"; then
901 UseSrcTreeHaddock=YES
906 [UseSrcTreeHaddock=NO]
908 dnl ** check for installed haddock
911 AC_ARG_ENABLE(src-tree-alex,
912 [AC_HELP_STRING([--enable-src-tree-alex],
913 [Build and use source tree (fptools/alex) version of Alex.
914 [default=autodetect]])],
915 [ if test x"$enableval" = x"yes"; then
923 dnl ** check for installed alex binary + version
924 dnl (don't do it if we're booting from .hc files though.)
925 if test "$BootingFromHc" = "NO"; then
929 dnl --------------------------------------------------
930 dnl ### program checking section ends here ###
931 dnl --------------------------------------------------
933 dnl --------------------------------------------------
934 dnl * Platform header file and syscall feature tests
935 dnl ### checking the state of the local header files and syscalls ###
937 dnl ** check for full ANSI header (.h) files
940 dnl ** Enable large file support. NB. do this before testing the type of
941 dnl off_t, because it will affect the result of that test.
944 dnl ** check for specific header (.h) files that we are interested in
945 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])
947 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
948 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
950 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
951 GhcLibsWithReadline=YES
952 AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
954 GhcLibsWithReadline=NO
955 AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
957 AC_SUBST(GhcLibsWithReadline)
959 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
962 dnl ** how do we get a timezone name, and UTC offset ?
965 dnl ** do we have altzone?
968 dnl ** do we have long longs?
969 AC_CHECK_TYPES([long long])
971 dnl ** what are the sizes of various types
972 AC_CHECK_SIZEOF(char, 1)
973 AC_CHECK_SIZEOF(double, 8)
974 AC_CHECK_SIZEOF(float, 4)
975 AC_CHECK_SIZEOF(int, 4)
976 AC_CHECK_SIZEOF(long, 4)
977 if test "$ac_cv_type_long_long" = yes; then
978 AC_CHECK_SIZEOF(long long, 8)
980 AC_CHECK_SIZEOF(short, 2)
981 AC_CHECK_SIZEOF(unsigned char, 1)
982 AC_CHECK_SIZEOF(unsigned int, 4)
983 AC_CHECK_SIZEOF(unsigned long, 4)
984 if test "$ac_cv_type_long_long" = yes; then
985 AC_CHECK_SIZEOF(unsigned long long, 8)
987 AC_CHECK_SIZEOF(unsigned short, 2)
988 AC_CHECK_SIZEOF(void *, 4)
990 dnl ** what are alignment constraints on various types
991 FP_CHECK_ALIGNMENT(char)
992 FP_CHECK_ALIGNMENT(double)
993 FP_CHECK_ALIGNMENT(float)
994 FP_CHECK_ALIGNMENT(int)
995 FP_CHECK_ALIGNMENT(long)
996 if test "$ac_cv_type_long_long" = yes; then
997 FP_CHECK_ALIGNMENT(long long)
999 FP_CHECK_ALIGNMENT(short)
1000 FP_CHECK_ALIGNMENT(unsigned char)
1001 FP_CHECK_ALIGNMENT(unsigned int)
1002 FP_CHECK_ALIGNMENT(unsigned long)
1003 if test "$ac_cv_type_long_long" = yes; then
1004 FP_CHECK_ALIGNMENT(unsigned long long)
1006 FP_CHECK_ALIGNMENT(unsigned short)
1007 FP_CHECK_ALIGNMENT(void *)
1009 FP_CHECK_FUNC([WinExec],
1010 [@%:@include <windows.h>], [WinExec("",0)])
1012 FP_CHECK_FUNC([GetModuleFileName],
1013 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1015 dnl ** check return type of signal handlers
1016 dnl Foo: assumes we can use prototypes.
1017 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1018 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1019 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1020 dnl #include <signal.h>
1024 dnl void (*signal (int, void (*)(int)))(int);
1027 dnl [ac_cv_type_signal_handler=void_int],
1028 dnl [ac_cv_type_signal_handler=int_void])])
1029 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1030 dnl AC_DEFINE(VOID_INT_SIGNALS)
1033 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1035 if test "$ac_cv_type_signal" = void; then
1036 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).])
1039 dnl ** check for more functions
1040 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1041 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times])
1042 dnl ** For ghc/rts/gmp:
1043 AC_CHECK_FUNCS([getpagesize])
1045 dnl ** check whether this machine has gmp3 installed
1046 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1047 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1048 HaveLibGmp=NO; LibGmp=not-installed))
1049 AC_SUBST(HaveLibGmp)
1052 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1053 HaveFrameworkHaskellSupport=NO
1054 if test $HostPlatform = "powerpc-apple-darwin"; then
1055 AC_MSG_CHECKING([for HaskellSupport.framework])
1057 LIBS="-framework HaskellSupport"
1058 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1059 if test $HaveFrameworkHaskellSupport = YES; then
1060 AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1063 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1065 AC_SUBST(HaveFrameworkHaskellSupport)
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 readline, for Hugs and hslibs' Readline
1087 dnl ncurses supersedes termcap and curses, but for compatibility,
1088 dnl we have to check for all...
1089 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1090 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1091 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1092 HaveLibTermcap=NO; LibTermcap=not-installed)))
1094 if test $HaveLibTermcap = YES ; then
1095 LIBS="-l$LibTermcap $LIBS"
1096 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1099 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1100 AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1101 LibsReadline="readline $LibTermcap"
1103 AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1106 AC_SUBST(LibsReadline)
1108 if test "$HaveLibReadline"; then
1109 AC_CHECK_LIB(readline, rl_erase_empty_line,
1110 [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1111 [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1112 AC_CHECK_LIB(readline, rl_free_undo_list,
1113 [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1114 [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1116 AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1117 AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1120 dnl ** check for math library
1121 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1124 dnl ################################################################
1125 dnl Check for libraries
1126 dnl ################################################################
1128 dnl ** check for libdl & RTLD_NEXT
1130 dnl (Mac OS X only) ... but don't check if we already have the
1131 dnl HaskellSupport.framework
1133 if test $HaveFrameworkHaskellSupport = YES; then
1137 AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1139 AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1141 AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1143 AC_SUBST(HaveRtldNext)
1144 AC_SUBST(HaveRtldLocal)
1145 AC_SUBST(HaveRtldGlobal)
1146 AC_SUBST(HaveRtldNow)
1148 AC_CHECK_LIB(dl, dlopen,
1150 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1155 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1156 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1165 AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1171 AC_SUBST(HaveRtldNext)
1173 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1174 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1183 AC_DEFINE(HAVE_RTLDLOCAL)
1189 AC_SUBST(HaveRtldLocal)
1191 dnl ** RTLD_GLOBAL isn't available on openbsd
1192 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1201 AC_DEFINE(HAVE_RTLDGLOBAL)
1207 AC_SUBST(HaveRtldGlobal)
1209 dnl ** RTLD_NOW isn't available on openbsd
1210 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1219 AC_DEFINE(HAVE_RTLDNOW)
1225 AC_SUBST(HaveRtldNow)
1228 dnl --------------------------------------------------
1229 dnl * Miscellaneous feature tests
1230 dnl --------------------------------------------------
1232 dnl ** can we get alloca?
1235 dnl ** Working vfork?
1238 dnl ** determine whether or not const works
1241 dnl ** are we big endian?
1244 dnl ** check for leading underscores in symbol names
1245 FP_LEADING_UNDERSCORE
1247 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1251 dnl ** check for Apple-style dead-stripping support
1252 dnl (.subsections-via-symbols assembler directive)
1255 AC_MSG_CHECKING(for .subsections_via_symbols)
1256 AC_TRY_COMPILE(,[__asm__ (".subsections_via_symbols");],
1259 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1260 [Define to 1 if Apple-style dead-stripping is supported.])
1263 AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[0],
1264 [Define to 1 if Apple-style dead-stripping is supported.])
1267 AC_CONFIG_FILES([mk/config.mk])
1268 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])