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, 1994-1998
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoconf' 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 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
19 dnl * We require autoconf version 2.52
20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
24 dnl * Declare subdirectories that have a private configure script
26 dnl After the toplevel configuration is complete, the script will recurse into
27 dnl these subdirectories if they exist. The use of a cache file makes repeated
29 AC_CONFIG_SUBDIRS([ghc libraries])
31 # -------------------------------------------------------------------------
32 # Prepare to generate the following header files
35 AC_CONFIG_HEADER(mk/config.h)
37 # No, semi-sadly, we don't do `--srcdir'...
38 if test x"$srcdir" != 'x.' ; then
39 echo "This configuration does not support the \`--srcdir' option.."
43 dnl--------------------------------------------------------------------
44 dnl * Choose host(/target/build) platform
45 dnl--------------------------------------------------------------------
47 dnl Guess host/target/build platform(s) if necessary.
50 # "$host" defaults to "$target"
51 if test "x$host" = xNONE ; then
55 dnl ** canonicalize platform names
56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
61 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
67 # The following will be more difficult when we *are* cross-compiling.
68 # Suitable names to slam in *_CPP are in platform.h.in.
69 # We also record the architecture, vendor, and operating system (OS)
72 alpha*-dec-osf[[12]]*)
73 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
74 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
75 BuildPlatform=alpha-dec-osf1 # hack
76 HostPlatform_CPP='alpha_dec_osf1'
81 alpha*-dec-osf[[345]]*)
82 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
83 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
84 BuildPlatform=alpha-dec-osf3 # hack
85 HostPlatform_CPP='alpha_dec_osf3'
90 alpha*-unknown-linux*)
91 HostPlatform=alpha-unknown-linux
92 TargetPlatform=alpha-unknown-linux
93 BuildPlatform=alpha-unknown-linux
94 HostPlatform_CPP='alpha_unknown_linux'
96 HostVendor_CPP='unknown'
99 alpha*-unknown-freebsd*)
100 HostPlatform=alpha-unknown-freebsd
101 TargetPlatform=alpha-unknown-freebsd
102 BuildPlatform=alpha-unknown-freebsd
103 HostPlatform_CPP='alpha_unknown_freebsd'
105 HostVendor_CPP='unknown'
108 alpha*-unknown-openbsd*)
109 HostPlatform=alpha-unknown-openbsd
110 TargetPlatform=alpha-unknown-openbsd
111 BuildPlatform=alpha-unknown-openbsd
112 HostPlatform_CPP='alpha_unknown_openbsd'
114 HostVendor_CPP='unknown'
117 amd64-*-openbsd*|x86_64-*-openbsd*)
118 HostPlatform=x86_64-unknown-openbsd
119 TargetPlatform=x86_64-unknown-openbsd
120 BuildPlatform=x86_64-unknown-openbsd
121 HostPlatform_CPP='x86_64_unknown_openbsd'
122 HostArch_CPP='x86_64'
123 HostVendor_CPP='unknown'
127 HostPlatform=arm-unknown-linux # hack again
128 TargetPlatform=arm-unknown-linux
129 BuildPlatform=arm-unknown-linux
130 HostPlatform_CPP='arm_unknown_linux'
132 HostVendor_CPP='unknown'
136 HostPlatform=arm-unknown-openbsd
137 TargetPlatform=arm-unknown-openbsd
138 BuildPlatform=arm-unknown-openbsd
139 HostPlatform_CPP='arm_unknown_openbsd'
141 HostVendor_CPP='unknown'
145 HostPlatform=hppa-unknown-linux # hack again
146 TargetPlatform=hppa-unknown-linux
147 BuildPlatform=hppa-unknown-linux
148 HostPlatform_CPP='hppa_unknown_linux'
150 HostVendor_CPP='unknown'
154 HostPlatform=hppa-unknown-openbsd # hack again
155 TargetPlatform=hppa-unknown-openbsd
156 BuildPlatform=hppa-unknown-openbsd
157 HostPlatform_CPP='hppa_unknown_openbsd'
159 HostVendor_CPP='unknown'
163 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
164 TargetPlatform=hppa1.1-hp-hpux
165 BuildPlatform=hppa1.1-hp-hpux
166 HostPlatform_CPP='hppa1_1_hp_hpux'
167 HostArch_CPP='hppa1_1'
171 i[[3456]]86-*-linuxaout*)
172 HostPlatform=i386-unknown-linuxaout # hack again
173 TargetPlatform=i386-unknown-linuxaout
174 BuildPlatform=i386-unknown-linuxaout
175 HostPlatform_CPP='i386_unknown_linuxaout'
177 HostVendor_CPP='unknown'
178 HostOS_CPP='linuxaout'
180 i[[3456]]86-*-linux*)
181 HostPlatform=i386-unknown-linux # hack again
182 TargetPlatform=i386-unknown-linux
183 BuildPlatform=i386-unknown-linux
184 HostPlatform_CPP='i386_unknown_linux'
186 HostVendor_CPP='unknown'
189 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
190 HostPlatform=i386-unknown-freebsd # hack again
191 TargetPlatform=i386-unknown-freebsd
192 BuildPlatform=i386-unknown-freebsd
193 HostPlatform_CPP='i386_unknown_freebsd'
195 HostVendor_CPP='unknown'
198 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
199 HostPlatform=i386-unknown-freebsd2 # hack again
200 TargetPlatform=i386-unknown-freebsd2
201 BuildPlatform=i386-unknown-freebsd2
202 HostPlatform_CPP='i386_unknown_freebsd2'
204 HostVendor_CPP='unknown'
205 HostOS_CPP='freebsd2'
207 i[[3456]]86-*-netbsd*)
208 HostPlatform=i386-unknown-netbsd # hack again
209 TargetPlatform=i386-unknown-netbsd
210 BuildPlatform=i386-unknown-netbsd
211 HostPlatform_CPP='i386_unknown_netbsd'
213 HostVendor_CPP='unknown'
216 i[[3456]]86-*-openbsd*)
217 HostPlatform=i386-unknown-openbsd # hack again
218 TargetPlatform=i386-unknown-openbsd
219 BuildPlatform=i386-unknown-openbsd
220 HostPlatform_CPP='i386_unknown_openbsd'
222 HostVendor_CPP='unknown'
225 i[[3456]]86-*-solaris2*)
226 HostPlatform=i386-unknown-solaris2 # hack again
227 TargetPlatform=i386-unknown-solaris2
228 BuildPlatform=i386-unknown-solaris2
229 HostPlatform_CPP='i386_unknown_solaris2'
231 HostVendor_CPP='unknown'
232 HostOS_CPP='solaris2'
234 i[[3456]]86-*-cygwin*)
235 HostPlatform=i386-unknown-cygwin32 # hack again
236 TargetPlatform=i386-unknown-cygwin32
237 BuildPlatform=i386-unknown-cygwin32
238 HostPlatform_CPP='i386_unknown_cygwin32'
240 HostVendor_CPP='unknown'
241 HostOS_CPP='cygwin32'
244 i[[3456]]86-*-mingw32*)
245 HostPlatform=i386-unknown-mingw32 # hack again
246 TargetPlatform=i386-unknown-mingw32
247 BuildPlatform=i386-unknown-mingw32
248 HostPlatform_CPP='i386_unknown_mingw32'
250 HostVendor_CPP='unknown'
255 HostPlatform=ia64-unknown-linux # hack again
256 TargetPlatform=ia64-unknown-linux
257 BuildPlatform=ia64-unknown-linux
258 HostPlatform_CPP='ia64_unknown_linux'
260 HostVendor_CPP='unknown'
264 HostPlatform=x86_64-unknown-linux
265 TargetPlatform=x86_64-unknown-linux
266 BuildPlatform=x86_64-unknown-linux
267 HostPlatform_CPP='x86_64_unknown_linux'
268 HostArch_CPP='x86_64'
269 HostVendor_CPP='unknown'
273 HostPlatform=m68k-unknown-linux # hack again
274 TargetPlatform=m68k-unknown-linux
275 BuildPlatform=m68k-unknown-linux
276 HostPlatform_CPP='m68k_unknown_linux'
278 HostVendor_CPP='unknown'
282 HostPlatform_CPP='m68k_next_nextstep2'
284 HostVendor_CPP='next'
285 HostOS_CPP='nextstep2'
288 HostPlatform_CPP='m68k_next_nextstep3'
290 HostVendor_CPP='next'
291 HostOS_CPP='nextstep3'
293 i[[3456]]86-next-nextstep3)
294 HostPlatform=i386-next-nextstep3 # hack again
295 TargetPlatform=i386-next-nextstep3
296 BuildPlatform=i386-next-nextstep3
297 HostPlatform_CPP='i386_next_nextstep3'
299 HostVendor_CPP='next'
300 HostOS_CPP='nextstep3'
303 HostPlatform=m68k-unknown-openbsd
304 TargetPlatform=m68k-unknown-openbsd
305 BuildPlatform=m68k-unknown-openbsd
306 HostPlatform_CPP='m68k_unknown_openbsd'
308 HostVendor_CPP='unknown'
312 HostPlatform=m68k-unknown-netbsd
313 TargetPlatform=m68k-unknown-netbsd
314 BuildPlatform=m68k-unknown-netbsd
315 HostPlatform_CPP='m68k_unknown_netbsd'
317 HostVendor_CPP='unknown'
321 HostPlatform=m68k-sun-sunos4
322 TargetPlatform=m68k-sun-sunos4 #hack
323 BuildPlatform=m68k-sun-sunos4 #hack
324 HostPlatform_CPP='m68k_sun_sunos4'
330 HostPlatform=m88k-unknown-openbsd
331 TargetPlatform=m88k-unknown-openbsd
332 BuildPlatform=m88k-unknown-openbsd
333 HostPlatform_CPP='m88k_unknown_openbsd'
335 HostVendor_CPP='unknown'
339 HostPlatform=mips-unknown-linux # hack again
340 TargetPlatform=mips-unknown-linux
341 BuildPlatform=mips-unknown-linux
342 HostPlatform_CPP='mips_unknown_linux'
344 HostVendor_CPP='unknown'
348 HostPlatform_CPP='mips_dec_ultrix'
349 HostArch_CPP='mipsel' # NB a little different
354 HostPlatform=mips-sgi-irix
355 TargetPlatform=mips-sgi-irix #hack
356 BuildPlatform=mips-sgi-irix #hack
357 HostPlatform_CPP='mips_sgi_irix'
358 HostArch_CPP='mipseb' # NB a little different
363 HostPlatform=rs6000-ibm-aix
364 TargetPlatform=rs6000-ibm-aix #hack
365 BuildPlatform=rs6000-ibm-aix #hack
366 HostPlatform_CPP='rs6000_ibm_aix'
367 HostArch_CPP='rs6000'
372 HostPlatform=powerpc-ibm-aix
373 TargetPlatform=powerpc-ibm-aix #hack
374 BuildPlatform=powerpc-ibm-aix #hack
375 HostPlatform_CPP='powerpc_ibm_aix'
376 HostArch_CPP='powerpc'
380 powerpc-apple-darwin*)
381 HostPlatform=powerpc-apple-darwin
382 TargetPlatform=powerpc-apple-darwin #hack
383 BuildPlatform=powerpc-apple-darwin #hack
384 HostPlatform_CPP='powerpc_apple_darwin'
385 HostArch_CPP='powerpc'
386 HostVendor_CPP='apple'
389 powerpc-unknown-linux*)
390 HostPlatform=powerpc-unknown-linux
391 TargetPlatform=powerpc-unknown-linux
392 BuildPlatform=powerpc-unknown-linux
393 HostPlatform_CPP='powerpc_unknown_linux'
394 HostArch_CPP='powerpc'
395 HostVendor_CPP='unknown'
398 powerpc-unknown-openbsd*)
399 HostPlatform=powerpc-unknown-openbsd
400 TargetPlatform=powerpc-unknown-openbsd
401 BuildPlatform=powerpc-unknown-openbsd
402 HostPlatform_CPP='powerpc_unknown_openbsd'
403 HostArch_CPP='powerpc'
404 HostVendor_CPP='unknown'
408 HostPlatform=s390-ibm-linux
409 TargetPlatform=s390-ibm-linux #hack
410 BuildPlatform=s390-ibm-linux #hack
411 HostPlatform_CPP='s390_ibm_linux'
417 HostPlatform=sparc-sun-sunos4
418 TargetPlatform=sparc-sun-sunos4 #hack
419 BuildPlatform=sparc-sun-sunos4 #hack
420 HostPlatform_CPP='sparc_sun_sunos4'
426 HostPlatform=sparc-sun-solaris2
427 TargetPlatform=sparc-sun-solaris2 #hack
428 BuildPlatform=sparc-sun-solaris2 #hack
429 HostPlatform_CPP='sparc_sun_solaris2'
432 HostOS_CPP='solaris2'
435 HostPlatform=sparc-unknown-linux
436 TargetPlatform=sparc-unknown-linux
437 BuildPlatform=sparc-unknown-linux
438 HostPlatform_CPP='sparc_unknown_linux'
440 HostVendor_CPP='unknown'
444 HostPlatform=sparc-unknown-openbsd
445 TargetPlatform=sparc-unknown-openbsd
446 BuildPlatform=sparc-unknown-openbsd
447 HostPlatform_CPP='sparc_unknown_openbsd'
449 HostVendor_CPP='unknown'
453 HostPlatform=sparc64-unknown-openbsd
454 TargetPlatform=sparc64-unknown-openbsd
455 BuildPlatform=sparc64-unknown-openbsd
456 HostPlatform_CPP='sparc64_unknown_openbsd'
457 HostArch_CPP='sparc64'
458 HostVendor_CPP='unknown'
462 HostPlatform=vax-unknown-openbsd
463 TargetPlatform=vax-unknown-openbsd
464 BuildPlatform=vax-unknown-openbsd
465 HostPlatform_CPP='vax_unknown_openbsd'
467 HostVendor_CPP='unknown'
471 echo "Unrecognised platform: $HostPlatform"
475 echo "Canonicalised to: $HostPlatform"
476 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
477 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
479 BuildPlatform_CPP=$HostPlatform_CPP
480 TargetPlatform_CPP=$HostPlatform_CPP
481 BuildArch_CPP=$HostArch_CPP
482 TargetArch_CPP=$HostArch_CPP
483 BuildOS_CPP=$HostOS_CPP
485 TargetOS_CPP=$HostOS_CPP
486 BuildVendor_CPP=$HostVendor_CPP
487 TargetVendor_CPP=$HostVendor_CPP
489 AC_SUBST(BuildPlatform)
490 AC_SUBST(HostPlatform)
491 AC_SUBST(TargetPlatform)
492 AC_SUBST(HostPlatform_CPP)
493 AC_SUBST(BuildPlatform_CPP)
494 AC_SUBST(TargetPlatform_CPP)
496 AC_SUBST(HostArch_CPP)
497 AC_SUBST(BuildArch_CPP)
498 AC_SUBST(TargetArch_CPP)
501 AC_SUBST(HostOS_Full)
502 AC_SUBST(BuildOS_CPP)
503 AC_SUBST(TargetOS_CPP)
505 AC_SUBST(HostVendor_CPP)
506 AC_SUBST(BuildVendor_CPP)
507 AC_SUBST(TargetVendor_CPP)
511 dnl --------------------------------------------------------------
512 dnl * Calculate absolute path to build tree
513 dnl --------------------------------------------------------------
515 AC_MSG_CHECKING(for path to top of build tree)
519 dnl Remove common automounter nonsense
521 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
523 dnl Find 'hardtop_plat', the native format for 'hardtop'
524 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
526 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
527 dnl but we must not do that if we aren't building using Cygwin (notably msys),
528 dnl because cygpath doesn't exist. It seems that 'bash' sets OSTYPE to 'cygwin'
529 dnl or 'msys' respectively, but cygwin's 'sh' does not. So we hackily assume
530 dnl that if the shell hasn't set it to 'msys' then we must be in Cygwin. Sigh.
532 dnl The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
533 dnl about setting that correctly at the moment, so we just work around for now.
535 dnl The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
537 case $HostPlatform in
538 i386-unknown-mingw32 | i386-unknown-cygwin32)
539 if test "${OSTYPE}" != "msys"
541 # convert $hardtop to a path that mingw will understand too
542 cyghardtop=${hardtop}
543 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
544 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
546 hardtop_plat=${hardtop}
550 hardtop_plat=${hardtop}
554 AC_SUBST(hardtop_plat)
556 AC_MSG_RESULT(${hardtop})
558 dnl --------------------------------------------------------------
559 dnl * Project specific configuration options
560 dnl --------------------------------------------------------------
561 dnl What follows is a bunch of options that can either be configured
562 dnl through command line options to the configure script or by
563 dnl supplying defns in the build tree's mk/build.mk. Having the option to
564 dnl use either is considered a Feature.
566 dnl ** What command to use to compile compiler sources ?
567 dnl --------------------------------------------------------------
570 [AC_HELP_STRING([--with-ghc=ARG],
571 [Use ARG as the path to GHC [default=autodetect]])],
572 [ WithGhc="$withval" ],
574 if test "$GHC" = ""; then
575 AC_PATH_PROG(GHC,ghc)
582 [AC_HELP_STRING([--with-hc=ARG],
583 [Use ARG as the path to the compiler for compiling ordinary
584 Haskell code (default= value of --with-ghc)])],
590 if test "$WithGhc" != ""; then
591 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
592 AC_SUBST(GhcVersion)dnl
593 AC_SUBST(GhcMajVersion)dnl
594 AC_SUBST(GhcMinVersion)dnl
595 AC_SUBST(GhcPatchLevel)dnl
598 AC_PATH_PROGS(NHC,nhc nhc98)
599 AC_PATH_PROG(HBC,hbc)
601 dnl ** Which gcc to use?
602 dnl --------------------------------------------------------------
604 [AC_HELP_STRING([--with-gcc=ARG],
605 [Use ARG as the path to GCC [default=autodetect]])],
606 [WhatGccIsCalled="$withval"
607 if test "x$HostPlatform" = "xi386-unknown-mingw32"
609 if test "${OSTYPE}" != "msys"
611 # Canonicalise to <drive>:/path/to/gcc
612 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
616 [WhatGccIsCalled="gcc"]
618 AC_SUBST(WhatGccIsCalled)
620 dnl ** Booting from .hc files?
621 dnl --------------------------------------------------------------
622 AC_ARG_ENABLE(hc-boot,
623 [AC_HELP_STRING([--enable-hc-boot],
624 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
625 (This option is mostly of interest to porters.) [default=no]])],
626 [ if test x"$enableval" = x"yes"; then
634 AC_SUBST(BootingFromHc)
636 dnl ** Booting from unregisterised .hc files?
637 dnl --------------------------------------------------------------
638 AC_ARG_ENABLE(hc-boot-unregisterised,
639 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
640 [ With --enable-hc-boot, treat the intermediate .hc files as
641 unregisterised rather than registerised code.
642 (This option is mostly of interest to porters.) [default=no]])],
643 [ if test x"$enableval" = x"yes"; then
644 BootingFromUnregisterisedHc=YES
646 BootingFromUnregisterisedHc=NO
649 [BootingFromUnregisterisedHc=NO]
651 AC_SUBST(BootingFromUnregisterisedHc)
653 if test "$BootingFromHc" = "NO"; then
654 if test "$BootingFromUnregisterisedHc" = "YES"; then
655 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
659 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
660 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
661 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
664 dnl ** --enable-threaded-rts (not used any more)
665 dnl --------------------------------------------------------------
666 AC_ARG_ENABLE(threaded-rts,
667 [AC_HELP_STRING([--enable-threaded-rts],
668 [DEPRECATED (backwards compatibility only). [default=no]])],
669 [ if test x"$enableval" = x"yes"; then
677 AC_SUBST(ThreadedRts)
679 dnl ** Enable the construction of Win32 DLLs?
680 dnl --------------------------------------------------------------
682 dnl [ The ability to build the RTS and libraries as separate DLLs used
683 dnl to be supported, but isn't currently (updates to the RTS, compiler
684 dnl and build system would be required to bring it back again.)
685 dnl Hence, exposing it as an option is false advertisement, so better
686 dnl disable it to avoid confusion (but leave it commented-out rather
687 dnl than removed in order to remind ourselves to bring back the
688 dnl feature at some stage.) ]
690 dnl AC_ARG_ENABLE(win32-dlls,
691 dnl [ --enable-win32-dlls
692 dnl If on a Win32 platform running mingw32/cygwin, enable the
693 dnl construction of DLLs containing ghc-compiled code.
696 dnl case $HostOS_CPP in
699 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
703 dnl EnableWin32DLLs=YES
705 dnl [EnableWin32DLLs=NO]
707 dnl AC_SUBST(EnableWin32DLLs)
708 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
709 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
712 dnl ** Enable the building of the ObjectIO?
713 dnl --------------------------------------------------------------
714 AC_ARG_ENABLE(objectio,
715 [AC_HELP_STRING([--enable-objectio],
716 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
717 [ if test x"$enableval" = x"yes"; then
718 GhcLibsWithObjectIO=YES
720 GhcLibsWithObjectIO=NO
723 [GhcLibsWithObjectIO=NO]
725 AC_SUBST(GhcLibsWithObjectIO)
727 dnl ** Enable the building of the OpenAL binding?
728 dnl --------------------------------------------------------------
729 AC_ARG_ENABLE([openal],
730 AC_HELP_STRING([--enable-openal],
731 [Build OpenAL binding [[default=autodetect]]]),
732 [ if test x"$enableval" = x"yes"; then
733 GhcLibsWithOpenAL=YES
738 [GhcLibsWithOpenAL=yes])
740 AC_SUBST([GhcLibsWithOpenAL])
742 dnl ** .NET interop support?
743 dnl --------------------------------------------------------------
744 AC_ARG_ENABLE(dotnet,
745 [AC_HELP_STRING([--enable-dotnet],
746 [Build .NET interop layer. [default=no]])],
747 [ if test x"$enableval" = x"yes"; then
748 DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
754 AC_SUBST(DotnetSupport)
756 dnl --------------------------------------------------------------
757 dnl End of configure script option section
758 dnl --------------------------------------------------------------
761 dnl --------------------------------------------------------------
762 dnl * General configuration checks
763 dnl --------------------------------------------------------------
765 dnl ** Can the unix package be built?
766 dnl --------------------------------------------------------------
768 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
773 AC_SUBST([GhcLibsWithUnix])
778 dnl ** look for `perl', but only in /bin on Windows
781 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
782 if test -z "$PerlCmd"; then
783 echo "You must install the version of Perl shipped with GHC"
784 echo "(or a compatible one) in /bin."
789 AC_PATH_PROG(PerlCmd,perl)
790 if test -z "$PerlCmd"; then
791 echo "You must install perl before you can continue"
792 echo "Perhaps it is already installed, but not in your PATH?"
795 FPTOOLS_CHECK_PERL_VERSION
800 dnl ** does #! path/to/perl work? (sometimes it's too long...)
803 dnl ** check for Python
804 AC_PATH_PROG(PythonCmd,python)
806 dnl ** look for GCC and find out which version
807 dnl Figure out which C compiler to use. Gcc is preferred.
808 dnl If gcc, make sure it's at least 2.1
812 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
814 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
817 dnl ** Without optimization some INLINE trickery fails for GHCi
820 dnl ** Try to add -mno-cygwin to the C compiler options
821 FP_CHECK_FLAG([-mno-cygwin], [
822 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
823 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
824 AC_SUBST(SRC_CC_OPTS)
826 dnl ** figure out how to do context diffs
829 dnl ** Find find command (for Win32's benefit)
832 dnl ** figure out how to do a BSD-ish install
835 dnl If you can run configure, you certainly have /bin/sh
836 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
838 dnl ** how to invoke `ar' and `ranlib'
839 FP_PROG_AR_NEEDS_RANLIB
840 FP_PROG_AR_SUPPORTS_INPUT
842 dnl ** Check to see whether ln -s works
846 dnl ** Find the path to sed
847 AC_PATH_PROG(SedCmd,sed)
850 dnl ** check for time command
851 AC_PATH_PROG(TimeCmd,time)
854 dnl if GNU tar is named gtar, look for it first.
855 AC_PATH_PROGS(TarCmd,gtar tar,tar)
857 dnl ** check for DocBook toolchain
859 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
862 dnl ** check for ghc-pkg command
865 AC_ARG_WITH(greencard,
866 [AC_HELP_STRING([--with-greencard=ARG],
867 [Use ARG as the path to greencard [default=autodetct]])],
869 GreenCardCmd=$withval;
870 FPTOOLS_GREENCARD(3.00)
874 AC_ARG_ENABLE(src-tree-happy,
875 [AC_HELP_STRING([--enable-src-tree-happy],
876 [Build and use source tree (fptools/happy) version of Happy.
877 [default=autodetect]])],
878 [ if test x"$enableval" = x"yes"; then
886 dnl ** check for installed happy binary + version
887 dnl (don't do it if we're booting from .hc files though.)
888 if test "$BootingFromHc" = "NO"; then
892 AC_ARG_ENABLE(src-tree-haddock,
893 [AC_HELP_STRING([--enable-src-tree-haddock],
894 [Build and use source tree (fptools/haddock) version of Haddock.
895 [default=autodetect]])],
896 [ if test x"$enableval" = x"yes"; then
897 UseSrcTreeHaddock=YES
902 [UseSrcTreeHaddock=NO]
904 dnl ** check for installed haddock
907 AC_ARG_ENABLE(src-tree-alex,
908 [AC_HELP_STRING([--enable-src-tree-alex],
909 [Build and use source tree (fptools/alex) version of Alex.
910 [default=autodetect]])],
911 [ if test x"$enableval" = x"yes"; then
919 dnl ** check for installed alex binary + version
920 dnl (don't do it if we're booting from .hc files though.)
921 if test "$BootingFromHc" = "NO"; then
925 dnl --------------------------------------------------
926 dnl ### program checking section ends here ###
927 dnl --------------------------------------------------
929 dnl --------------------------------------------------
930 dnl * Platform header file and syscall feature tests
931 dnl ### checking the state of the local header files and syscalls ###
933 dnl ** check for full ANSI header (.h) files
936 dnl ** Enable large file support. NB. do this before testing the type of
937 dnl off_t, because it will affect the result of that test.
940 dnl ** check for specific header (.h) files that we are interested in
941 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])
943 AC_CHECK_HEADER([unistd.h], [AC_CHECK_FUNCS(lchown)])
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 $HaveReadlineHistoryH = YES ; then
949 GhcLibsWithReadline=YES
950 AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
952 GhcLibsWithReadline=NO
953 AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
955 AC_SUBST(GhcLibsWithReadline)
957 dnl ** check for OpenGL/GLUT include paths and libraries
960 if test x"$no_GLU" = xyes; then
963 GhcLibsWithOpenGL=YES
965 AC_SUBST([GhcLibsWithOpenGL])
967 if test x"$no_GLUT" = xyes; then
972 AC_SUBST([GhcLibsWithGLUT])
974 dnl ** check for OpenGL include files
975 fp_save_cppflags="$CPPFLAGS"
976 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
977 if test x"$use_quartz_opengl" = xyes; then
978 AC_CHECK_HEADERS([OpenGL/gl.h])
980 AC_CHECK_HEADERS([GL/gl.h])
982 CPPFLAGS="$fp_save_cppflags"
984 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
987 dnl ** check for POSIX regex
989 AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
990 AC_SUBST(HavePosixRegex)
992 dnl ** how do we get a timezone name, and UTC offset ?
995 dnl ** do we have altzone?
998 dnl ** does struct stat contain st_blksize?
1001 dnl ** do we have long longs?
1002 AC_CHECK_TYPES([long long])
1004 dnl ** what are the sizes of various types
1005 AC_CHECK_SIZEOF(char, 1)
1006 AC_CHECK_SIZEOF(double, 8)
1007 AC_CHECK_SIZEOF(float, 4)
1008 AC_CHECK_SIZEOF(int, 4)
1009 AC_CHECK_SIZEOF(long, 4)
1010 if test "$ac_cv_type_long_long" = yes; then
1011 AC_CHECK_SIZEOF(long long, 8)
1013 AC_CHECK_SIZEOF(short, 2)
1014 AC_CHECK_SIZEOF(unsigned char, 1)
1015 AC_CHECK_SIZEOF(unsigned int, 4)
1016 AC_CHECK_SIZEOF(unsigned long, 4)
1017 if test "$ac_cv_type_long_long" = yes; then
1018 AC_CHECK_SIZEOF(unsigned long long, 8)
1020 AC_CHECK_SIZEOF(unsigned short, 2)
1021 AC_CHECK_SIZEOF(void *, 4)
1023 dnl ** what are alignment constraints on various types
1024 FP_CHECK_ALIGNMENT(char)
1025 FP_CHECK_ALIGNMENT(double)
1026 FP_CHECK_ALIGNMENT(float)
1027 FP_CHECK_ALIGNMENT(int)
1028 FP_CHECK_ALIGNMENT(long)
1029 if test "$ac_cv_type_long_long" = yes; then
1030 FP_CHECK_ALIGNMENT(long long)
1032 FP_CHECK_ALIGNMENT(short)
1033 FP_CHECK_ALIGNMENT(unsigned char)
1034 FP_CHECK_ALIGNMENT(unsigned int)
1035 FP_CHECK_ALIGNMENT(unsigned long)
1036 if test "$ac_cv_type_long_long" = yes; then
1037 FP_CHECK_ALIGNMENT(unsigned long long)
1039 FP_CHECK_ALIGNMENT(unsigned short)
1040 FP_CHECK_ALIGNMENT(void *)
1042 dnl ** map standard C types and ISO types to Haskell types
1043 FPTOOLS_CHECK_HTYPE(char)
1044 FPTOOLS_CHECK_HTYPE(signed char)
1045 FPTOOLS_CHECK_HTYPE(unsigned char)
1046 FPTOOLS_CHECK_HTYPE(short)
1047 FPTOOLS_CHECK_HTYPE(unsigned short)
1048 FPTOOLS_CHECK_HTYPE(int)
1049 FPTOOLS_CHECK_HTYPE(unsigned int)
1050 FPTOOLS_CHECK_HTYPE(long)
1051 FPTOOLS_CHECK_HTYPE(unsigned long)
1052 if test "$ac_cv_type_long_long" = yes; then
1053 FPTOOLS_CHECK_HTYPE(long long)
1054 FPTOOLS_CHECK_HTYPE(unsigned long long)
1056 FPTOOLS_CHECK_HTYPE(float)
1057 FPTOOLS_CHECK_HTYPE(double)
1058 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
1059 FPTOOLS_CHECK_HTYPE(size_t)
1060 FPTOOLS_CHECK_HTYPE(wchar_t)
1061 dnl Int32 is a HACK for non-ISO C compilers
1062 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
1063 FPTOOLS_CHECK_HTYPE(clock_t)
1064 FPTOOLS_CHECK_HTYPE(time_t)
1065 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1066 FPTOOLS_CHECK_HTYPE(ino_t)
1067 FPTOOLS_CHECK_HTYPE(mode_t)
1068 FPTOOLS_CHECK_HTYPE(off_t)
1069 FPTOOLS_CHECK_HTYPE(pid_t)
1070 FPTOOLS_CHECK_HTYPE(gid_t)
1071 FPTOOLS_CHECK_HTYPE(uid_t)
1072 FPTOOLS_CHECK_HTYPE(cc_t)
1073 FPTOOLS_CHECK_HTYPE(speed_t)
1074 FPTOOLS_CHECK_HTYPE(tcflag_t)
1075 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1076 FPTOOLS_CHECK_HTYPE(nlink_t)
1077 FPTOOLS_CHECK_HTYPE(ssize_t)
1078 FPTOOLS_CHECK_HTYPE(rlim_t)
1079 FPTOOLS_CHECK_HTYPE(wint_t)
1081 dnl ** Map OpenGL data types to Haskell types
1082 if test $GhcLibsWithOpenGL = YES ; then
1083 FPTOOLS_CHECK_HTYPE(GLboolean)
1084 FPTOOLS_CHECK_HTYPE(GLbyte)
1085 FPTOOLS_CHECK_HTYPE(GLubyte)
1086 FPTOOLS_CHECK_HTYPE(GLshort)
1087 FPTOOLS_CHECK_HTYPE(GLushort)
1088 FPTOOLS_CHECK_HTYPE(GLint)
1089 FPTOOLS_CHECK_HTYPE(GLuint)
1090 FPTOOLS_CHECK_HTYPE(GLsizei)
1091 FPTOOLS_CHECK_HTYPE(GLenum)
1092 FPTOOLS_CHECK_HTYPE(GLbitfield)
1093 FPTOOLS_CHECK_HTYPE(GLfloat)
1094 FPTOOLS_CHECK_HTYPE(GLclampf)
1095 FPTOOLS_CHECK_HTYPE(GLdouble)
1096 FPTOOLS_CHECK_HTYPE(GLclampd)
1099 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
1100 #include <errno.h>])
1102 dnl ** can we open files in binary mode?
1103 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1105 FP_CHECK_FUNC([WinExec],
1106 [@%:@include <windows.h>], [WinExec("",0)])
1108 FP_CHECK_FUNC([GetModuleFileName],
1109 [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1111 dnl ** check return type of signal handlers
1112 dnl Foo: assumes we can use prototypes.
1113 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1114 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1115 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1116 dnl #include <signal.h>
1120 dnl void (*signal (int, void (*)(int)))(int);
1123 dnl ac_cv_type_signal_handler=void_int,
1124 dnl ac_cv_type_signal_handler=int_void)])
1125 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1126 dnl AC_DEFINE(VOID_INT_SIGNALS)
1129 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1131 if test "$ac_cv_type_signal" = void; then
1132 AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1135 dnl ** check for more functions
1136 AC_CHECK_FUNCS([ftime getclock getgrgid_r getgrnam_r getpagesize getpwnam_r getpwuid_r getrusage gettimeofday gmtime_r localtime_r lstat readdir_r readlink setenv setitimer siginterrupt symlink sysconf times unsetenv])
1138 dnl ** Solaris2 needs additionl flag for getpw*_r()
1139 case "$TargetPlatform" in
1141 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1142 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1146 dnl ** check whether this machine has gmp3 installed
1147 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1148 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1149 HaveLibGmp=NO; LibGmp=not-installed))
1150 AC_SUBST(HaveLibGmp)
1153 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1154 HaveFrameworkHaskellSupport=NO
1155 if test $HostPlatform = "powerpc-apple-darwin"; then
1156 AC_MSG_CHECKING([for HaskellSupport.framework])
1158 LIBS="-framework HaskellSupport"
1159 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1160 if test $HaveFrameworkHaskellSupport = YES; then
1161 AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1164 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1166 AC_SUBST(HaveFrameworkHaskellSupport)
1168 dnl ** check for mingwex library
1169 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1170 AC_SUBST(HaveLibMingwEx)
1172 if test $HaveLibMingwEx = YES ; then
1173 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1176 if test "$HaveLibGmp" = "NO"; then
1177 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1178 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1182 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1183 dnl the order of these tests matters: bfd needs liberty
1184 AC_CHECK_LIB(iberty, xmalloc)
1185 AC_CHECK_LIB(bfd, bfd_init)
1187 dnl ** check for wide-char classifications
1188 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1189 dnl functions if it's really there.
1190 AC_CHECK_HEADERS([wctype.h], [AC_CHECK_FUNCS(iswspace)])
1192 dnl ** check for readline, for Hugs and hslibs' Readline
1193 dnl ncurses supersedes termcap and curses, but for compatibility,
1194 dnl we have to check for all...
1195 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1196 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1197 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1198 HaveLibTermcap=NO; LibTermcap=not-installed)))
1200 if test $HaveLibTermcap = YES ; then
1201 LIBS="-l$LibTermcap $LIBS"
1202 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1205 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1206 AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1207 LibsReadline="readline $LibTermcap"
1209 AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1212 AC_SUBST(LibsReadline)
1214 if test "$HaveLibReadline"; then
1215 AC_CHECK_LIB(readline, rl_erase_empty_line,
1216 [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1217 [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1218 AC_CHECK_LIB(readline, rl_free_undo_list,
1219 [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1220 [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1222 AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1223 AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1226 dnl ** check for math library
1227 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1230 dnl ** check for X Window System
1233 if test "$no_x" = yes; then
1238 AC_SUBST([GhcLibsWithX11])
1240 dnl ################################################################
1241 dnl Check for libraries
1242 dnl ################################################################
1244 dnl ** check for libdl & RTLD_NEXT
1246 dnl (Mac OS X only) ... but don't check if we already have the
1247 dnl HaskellSupport.framework
1249 if test $HaveFrameworkHaskellSupport = YES; then
1253 AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1255 AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1257 AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1259 AC_SUBST(HaveRtldNext)
1260 AC_SUBST(HaveRtldLocal)
1261 AC_SUBST(HaveRtldGlobal)
1262 AC_SUBST(HaveRtldNow)
1264 AC_CHECK_LIB(dl, dlopen,
1266 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1271 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1272 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1281 AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1287 AC_SUBST(HaveRtldNext)
1289 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1290 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1299 AC_DEFINE(HAVE_RTLDLOCAL)
1305 AC_SUBST(HaveRtldLocal)
1307 dnl ** RTLD_GLOBAL isn't available on openbsd
1308 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1317 AC_DEFINE(HAVE_RTLDGLOBAL)
1323 AC_SUBST(HaveRtldGlobal)
1325 dnl ** RTLD_NOW isn't available on openbsd
1326 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1335 AC_DEFINE(HAVE_RTLDNOW)
1341 AC_SUBST(HaveRtldNow)
1344 dnl ---------- usleep ----------
1345 dnl --- stolen from guile configure ---
1346 dnl --- FIXME: /usr/include/unistd.h can't be right?
1348 ### On some systems usleep has no return value. If it does have one,
1349 ### we'd like to return it; otherwise, we'll fake it.
1350 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1351 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1352 /usr/include/unistd.h,
1353 [cv_func_usleep_return_type=void],
1354 [cv_func_usleep_return_type=int])])
1355 case "$cv_func_usleep_return_type" in
1357 AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1361 dnl --------------------------------------------------
1363 dnl --------------------------------------------------
1365 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1366 if test -n "$GTK_CONFIG"; then
1367 AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1368 [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1369 FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1370 [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1373 AC_SUBST([GTK_CONFIG])
1375 dnl --------------------------------------------------
1376 dnl * Miscellaneous feature tests
1377 dnl --------------------------------------------------
1379 dnl ** can we get alloca?
1382 dnl ** Working vfork?
1385 dnl ** determine whether or not const works
1388 dnl ** are we big endian?
1391 dnl ** check for leading underscores in symbol names
1392 FP_LEADING_UNDERSCORE
1394 dnl ** check for ld, and whether ld has -x option
1395 AC_PATH_PROG(LdCmdRaw, ld)
1398 if test "${OSTYPE}" == "msys"
1402 LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1405 *) LdCmd=${LdCmdRaw}
1413 AC_MSG_CHECKING([for SIGPOLL])
1414 AC_EGREP_CPP(we_have_sigpoll,
1415 [#include <signal.h>
1419 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1420 AC_MSG_RESULT([$haveSIGPOLL])
1422 AC_MSG_CHECKING([for SIGINFO])
1423 AC_EGREP_CPP(we_have_siginfo,
1424 [#include <signal.h>
1428 ], AC_DEFINE([HAVE_SIGINFO], [1], [Define to 1 if you have the INFO-signal.]) haveSIGINFO=yes, haveSIGINFO=no)
1429 AC_MSG_RESULT([$haveSIGINFO])
1431 AC_MSG_CHECKING([for SIGWINCH])
1432 AC_EGREP_CPP(we_have_sigwinch,
1433 [#include <signal.h>
1437 ], AC_DEFINE([HAVE_SIGWINCH], [1], [Define to 1 if you have the WINCH-signal.]) haveSIGWINCH=yes, haveSIGWINCH=no)
1438 AC_MSG_RESULT([$haveSIGWINCH])
1440 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )