1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
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 2.53 due to the use of AC_SYS_LARGEFILE
22 dnl * Declare subdirectories that have a private configure script
24 dnl After the toplevel configuration is complete, the script will recurse into
25 dnl these subdirectories (the use of cache values makes repeated checks cheap)
26 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
27 AC_CONFIG_SUBDIRS(ghc)
29 # -------------------------------------------------------------------------
30 # Prepare to generate the following header files
33 AC_CONFIG_HEADER(mk/config.h)
35 # No, semi-sadly, we don't do `--srcdir'...
36 if test x"$srcdir" != 'x.' ; then
37 echo "This configuration does not support the \`--srcdir' option.."
41 dnl--------------------------------------------------------------------
42 dnl * Choose host(/target/build) platform
43 dnl--------------------------------------------------------------------
45 dnl Guess host/target/build platform(s) if necessary.
48 # "$host" defaults to "$target"
49 if test "x$host" = xNONE ; then
53 dnl ** canonicalize platform names
54 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
55 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
56 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
58 if test x"$TargetPlatform" != x"$HostPlatform" ; then
59 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
65 # The following will be more difficult when we *are* cross-compiling.
66 # Suitable names to slam in *_CPP are in platform.h.in.
67 # We also record the architecture, vendor, and operating system (OS)
70 alpha*-dec-osf[[12]]*)
71 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
72 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
73 BuildPlatform=alpha-dec-osf1 # hack
74 HostPlatform_CPP='alpha_dec_osf1'
79 alpha*-dec-osf[[345]]*)
80 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
81 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
82 BuildPlatform=alpha-dec-osf3 # hack
83 HostPlatform_CPP='alpha_dec_osf3'
88 alpha*-unknown-linux*)
89 HostPlatform=alpha-unknown-linux
90 TargetPlatform=alpha-unknown-linux
91 BuildPlatform=alpha-unknown-linux
92 HostPlatform_CPP='alpha_unknown_linux'
94 HostVendor_CPP='unknown'
97 alpha*-unknown-freebsd*)
98 HostPlatform=alpha-unknown-freebsd
99 TargetPlatform=alpha-unknown-freebsd
100 BuildPlatform=alpha-unknown-freebsd
101 HostPlatform_CPP='alpha_unknown_freebsd'
103 HostVendor_CPP='unknown'
107 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
108 TargetPlatform=hppa1.1-hp-hpux
109 BuildPlatform=hppa1.1-hp-hpux
110 HostPlatform_CPP='hppa1_1_hp_hpux'
111 HostArch_CPP='hppa1_1'
115 i[[3456]]86-*-linuxaout*)
116 HostPlatform=i386-unknown-linuxaout # hack again
117 TargetPlatform=i386-unknown-linuxaout
118 BuildPlatform=i386-unknown-linuxaout
119 HostPlatform_CPP='i386_unknown_linuxaout'
121 HostVendor_CPP='unknown'
122 HostOS_CPP='linuxaout'
124 i[[3456]]86-*-linux*)
125 HostPlatform=i386-unknown-linux # hack again
126 TargetPlatform=i386-unknown-linux
127 BuildPlatform=i386-unknown-linux
128 HostPlatform_CPP='i386_unknown_linux'
130 HostVendor_CPP='unknown'
133 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
134 HostPlatform=i386-unknown-freebsd # hack again
135 TargetPlatform=i386-unknown-freebsd
136 BuildPlatform=i386-unknown-freebsd
137 HostPlatform_CPP='i386_unknown_freebsd'
139 HostVendor_CPP='unknown'
142 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
143 HostPlatform=i386-unknown-freebsd2 # hack again
144 TargetPlatform=i386-unknown-freebsd2
145 BuildPlatform=i386-unknown-freebsd2
146 HostPlatform_CPP='i386_unknown_freebsd2'
148 HostVendor_CPP='unknown'
149 HostOS_CPP='freebsd2'
151 i[[3456]]86-*-netbsd*)
152 HostPlatform=i386-unknown-netbsd # hack again
153 TargetPlatform=i386-unknown-netbsd
154 BuildPlatform=i386-unknown-netbsd
155 HostPlatform_CPP='i386_unknown_netbsd'
157 HostVendor_CPP='unknown'
160 i[[3456]]86-*-openbsd*)
161 HostPlatform=i386-unknown-openbsd # hack again
162 TargetPlatform=i386-unknown-openbsd
163 BuildPlatform=i386-unknown-openbsd
164 HostPlatform_CPP='i386_unknown_openbsd'
166 HostVendor_CPP='unknown'
169 i[[3456]]86-*-solaris2*)
170 HostPlatform=i386-unknown-solaris2 # hack again
171 TargetPlatform=i386-unknown-solaris2
172 BuildPlatform=i386-unknown-solaris2
173 HostPlatform_CPP='i386_unknown_solaris2'
175 HostVendor_CPP='unknown'
176 HostOS_CPP='solaris2'
178 i[[3456]]86-*-cygwin*)
179 HostPlatform=i386-unknown-cygwin32 # hack again
180 TargetPlatform=i386-unknown-cygwin32
181 BuildPlatform=i386-unknown-cygwin32
182 HostPlatform_CPP='i386_unknown_cygwin32'
184 HostVendor_CPP='unknown'
185 HostOS_CPP='cygwin32'
188 i[[3456]]86-*-mingw32*)
189 HostPlatform=i386-unknown-mingw32 # hack again
190 TargetPlatform=i386-unknown-mingw32
191 BuildPlatform=i386-unknown-mingw32
192 HostPlatform_CPP='i386_unknown_mingw32'
194 HostVendor_CPP='unknown'
199 HostPlatform=ia64-unknown-linux # hack again
200 TargetPlatform=ia64-unknown-linux
201 BuildPlatform=ia64-unknown-linux
202 HostPlatform_CPP='ia64_unknown_linux'
204 HostVendor_CPP='unknown'
208 HostPlatform_CPP='m68k_next_nextstep2'
210 HostVendor_CPP='next'
211 HostOS_CPP='nextstep2'
214 HostPlatform_CPP='m68k_next_nextstep3'
216 HostVendor_CPP='next'
217 HostOS_CPP='nextstep3'
219 i[[3456]]86-next-nextstep3)
220 HostPlatform=i386-next-nextstep3 # hack again
221 TargetPlatform=i386-next-nextstep3
222 BuildPlatform=i386-next-nextstep3
223 HostPlatform_CPP='i386_next_nextstep3'
225 HostVendor_CPP='next'
226 HostOS_CPP='nextstep3'
229 HostPlatform=m68k-unknown-openbsd
230 TargetPlatform=m68k-unknown-openbsd
231 BuildPlatform=m68k-unknown-openbsd
232 HostPlatform_CPP='m68k_unknown_openbsd'
234 HostVendor_CPP='unknown'
238 HostPlatform=m68k-apple-netbsd
239 TargetPlatform=m68k-apple-netbsd
240 BuildPlatform=m68k-apple-netbsd
241 HostPlatform_CPP='m68k_apple_netbsd'
243 HostVendor_CPP='apple'
247 HostPlatform=m68k-sun-sunos4
248 TargetPlatform=m68k-sun-sunos4 #hack
249 BuildPlatform=m68k-sun-sunos4 #hack
250 HostPlatform_CPP='m68k_sun_sunos4'
256 HostPlatform_CPP='mips_dec_ultrix'
257 HostArch_CPP='mipsel' # NB a little different
262 HostPlatform=mips-sgi-irix
263 TargetPlatform=mips-sgi-irix #hack
264 BuildPlatform=mips-sgi-irix #hack
265 HostPlatform_CPP='mips_sgi_irix'
266 HostArch_CPP='mipseb' # NB a little different
271 HostPlatform=rs6000-ibm-aix
272 TargetPlatform=rs6000-ibm-aix #hack
273 BuildPlatform=rs6000-ibm-aix #hack
274 HostPlatform_CPP='rs6000_ibm_aix'
275 HostArch_CPP='rs6000'
280 HostPlatform=powerpc-ibm-aix
281 TargetPlatform=powerpc-ibm-aix #hack
282 BuildPlatform=powerpc-ibm-aix #hack
283 HostPlatform_CPP='powerpc_ibm_aix'
284 HostArch_CPP='powerpc'
288 powerpc-apple-darwin*)
289 HostPlatform=powerpc-apple-darwin
290 TargetPlatform=powerpc-apple-darwin #hack
291 BuildPlatform=powerpc-apple-darwin #hack
292 HostPlatform_CPP='powerpc_apple_darwin'
293 HostArch_CPP='powerpc'
294 HostVendor_CPP='apple'
298 HostPlatform=sparc-sun-sunos4
299 TargetPlatform=sparc-sun-sunos4 #hack
300 BuildPlatform=sparc-sun-sunos4 #hack
301 HostPlatform_CPP='sparc_sun_sunos4'
307 HostPlatform=sparc-sun-solaris2
308 TargetPlatform=sparc-sun-solaris2 #hack
309 BuildPlatform=sparc-sun-solaris2 #hack
310 HostPlatform_CPP='sparc_sun_solaris2'
313 HostOS_CPP='solaris2'
316 echo "Unrecognised platform: $HostPlatform"
320 echo "Canonicalised to: $HostPlatform"
321 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
322 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
324 BuildPlatform_CPP=$HostPlatform_CPP
325 TargetPlatform_CPP=$HostPlatform_CPP
326 BuildArch_CPP=$HostArch_CPP
327 TargetArch_CPP=$HostArch_CPP
328 BuildOS_CPP=$HostOS_CPP
330 TargetOS_CPP=$HostOS_CPP
331 BuildVendor_CPP=$HostVendor_CPP
332 TargetVendor_CPP=$HostVendor_CPP
334 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
335 dnl AC_SUBST(BuildPlatform)
337 AC_SUBST(HostPlatform)
338 AC_SUBST(TargetPlatform)
339 AC_SUBST(HostPlatform_CPP)
340 dnl AC_SUBST(BuildPlatform_CPP)
341 dnl AC_SUBST(TargetPlatform_CPP)
343 AC_SUBST(HostArch_CPP)
344 dnl AC_SUBST(BuildArch_CPP)
345 dnl AC_SUBST(TargetArch_CPP)
348 AC_SUBST(HostOS_Full)
349 dnl AC_SUBST(BuildOS_CPP)
350 dnl AC_SUBST(TargetOS_CPP)
352 AC_SUBST(HostVendor_CPP)
353 dnl AC_SUBST(BuildVendor_CPP)
354 dnl AC_SUBST(TargetVendor_CPP)
358 dnl --------------------------------------------------------------
359 dnl * Calculate absolute path to build tree
360 dnl --------------------------------------------------------------
362 AC_MSG_CHECKING(for path to top of build tree)
366 dnl Remove common automounter nonsense
368 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
370 dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
372 case $HostPlatform in
373 i386-unknown-mingw32 | i386-unknown-cygwin32)
374 # convert $hardtop to a path that mingw will understand too
375 cyghardtop=${hardtop}
376 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
377 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
380 hardtop_plat=${hardtop}
384 AC_SUBST(hardtop_plat)
386 AC_MSG_RESULT(${hardtop})
388 dnl --------------------------------------------------------------
389 dnl * Project specific configuration options
390 dnl --------------------------------------------------------------
391 dnl What follows is a bunch of options that can either be configured
392 dnl through command line options to the configure script or by
393 dnl supplying defns in the build tree's mk/build.mk. Having the option to
394 dnl use either is considered a Feature.
396 dnl ** What command to use to compile compiler sources ?
397 dnl --------------------------------------------------------------
400 [ --with-ghc=<haskell compiler>
401 Use a command different from 'ghc' to compile GHC-specific Haskell code
402 (including GHC itself).
404 [ WithGhc="$withval" ],
406 if test "$GHC" = ""; then
407 AC_PATH_PROG(GHC,ghc)
415 [ --with-hc=<haskell compiler>
416 Use a command different from 'ghc' to compile generic Haskell code.
423 if test "$WithGhc" != ""; then
424 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
425 AC_SUBST(GhcVersion)dnl
426 AC_SUBST(GhcMajVersion)dnl
427 AC_SUBST(GhcMinVersion)dnl
428 AC_SUBST(GhcPatchLevel)dnl
431 AC_PATH_PROGS(NHC,nhc nhc98)
432 AC_PATH_PROG(HBC,hbc)
434 dnl ** Which gcc to use?
435 dnl --------------------------------------------------------------
437 [ --with-gcc=<gcc command>
438 Use a different command instead of 'gcc' for the GNU C compiler.
440 [WhatGccIsCalled="$withval"
441 if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
442 # Canonicalise to <drive>:/path/to/gcc
443 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
446 [WhatGccIsCalled="gcc"]
448 AC_SUBST(WhatGccIsCalled)
450 dnl ** Booting from .hc files?
451 dnl --------------------------------------------------------------
452 AC_ARG_ENABLE(hc-boot,
454 Boot the Glasgow Haskell Compiler from intermediate .hc files.
455 (This option is mostly of interest to porters.)
460 AC_SUBST(BootingFromHc)
462 dnl ** Booting from unregisterised .hc files?
463 dnl --------------------------------------------------------------
464 AC_ARG_ENABLE(hc-boot-unregisterised,
465 [ --enable-hc-boot-unregisterised
466 With --enable-hc-boot, treat the intermediate .hc files as
467 unregisterised rather than registerised code.
468 (This option is mostly of interest to porters.)
470 [BootingFromUnregisterisedHc=YES],
471 [BootingFromUnregisterisedHc=NO]
473 AC_SUBST(BootingFromUnregisterisedHc)
475 if test "$BootingFromHc" = "NO"; then
476 if test "$BootingFromUnregisterisedHc" = "YES"; then
477 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
481 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
482 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
483 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
486 dnl ** Enable multi-thread friendly RTS?
487 dnl --------------------------------------------------------------
488 AC_ARG_ENABLE(threaded-rts,
489 [ --enable-threaded-rts
490 Support better interop with OS threads.
495 AC_SUBST(ThreadedRts)
497 dnl ** Enable the construction of Win32 DLLs?
498 dnl --------------------------------------------------------------
500 dnl [ The ability to build the RTS and libraries as separate DLLs used
501 dnl to be supported, but isn't currently (updates to the RTS, compiler
502 dnl and build system would be required to bring it back again.)
503 dnl Hence, exposing it as an option is false advertisement, so better
504 dnl disable it to avoid confusion (but leave it commented-out rather
505 dnl than removed in order to remind ourselves to bring back the
506 dnl feature at some stage.) ]
508 dnl AC_ARG_ENABLE(win32-dlls,
509 dnl [ --enable-win32-dlls
510 dnl If on a Win32 platform running mingw32/cygwin, enable the
511 dnl construction of DLLs containing ghc-compiled code.
514 dnl case $HostOS_CPP in
517 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
521 dnl EnableWin32DLLs=YES
523 dnl [EnableWin32DLLs=NO]
525 dnl AC_SUBST(EnableWin32DLLs)
526 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
527 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
530 dnl ** Enable the building of the ObjectIO?
531 dnl --------------------------------------------------------------
532 AC_ARG_ENABLE(objectio,
534 Build ObjectIO, a portable GUI library for Haskell.
536 [GhcLibsWithObjectIO=YES],
537 [GhcLibsWithObjectIO=NO]
539 AC_SUBST(GhcLibsWithObjectIO)
541 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
542 dnl --------------------------------------------------------------
543 AC_ARG_ENABLE(hopengl,
545 Build HOpenGL, a Haskell binding for OpenGL/GLUT.
546 On Mac OS X, use --enable-hopengl=x11 to use X11 instead
547 of the "native" libraries.
549 [GhcLibsWithHOpenGL=YES],
550 [GhcLibsWithHOpenGL=NO]
553 if test x"$TargetOS_CPP" = x"darwin"; then
554 if test x"$enable_hopengl" != x"x11"; then
555 AC_DEFINE(USE_QUARTZ_OPENGL)
560 AC_SUBST(GhcLibsWithHOpenGL)
562 dnl ** .NET interop support?
563 dnl --------------------------------------------------------------
564 AC_ARG_ENABLE(dotnet,
566 Build .NET interop layer.
568 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
571 AC_SUBST(DotnetSupport)
573 dnl --------------------------------------------------------------
574 dnl End of configure script option section
575 dnl --------------------------------------------------------------
578 dnl --------------------------------------------------------------
579 dnl * General configuration checks
580 dnl --------------------------------------------------------------
585 dnl ** look for `perl', but only in /bin on Windows
588 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
589 if test -z "$PerlCmd"; then
590 echo "You must install the version of Perl shipped with GHC"
591 echo "(or a compatible one) in /bin."
596 AC_PATH_PROG(PerlCmd,perl)
597 if test -z "$PerlCmd"; then
598 echo "You must install perl before you can continue"
599 echo "Perhaps it is already installed, but not in your PATH?"
602 FPTOOLS_CHECK_PERL_VERSION
607 dnl ** does #! path/to/perl work? (sometimes it's too long...)
610 dnl ** check for Python
611 AC_PATH_PROG(PythonCmd,python)
613 dnl ** look for GCC and find out which version
614 dnl Figure out which C compiler to use. Gcc is preferred.
615 dnl If gcc, make sure it's at least 2.1
619 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
621 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
624 dnl ** Without optimization some INLINE trickery fails for GHCi
627 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
628 if test x"$TargetOS_CPP" = x"mingw32"; then
629 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
630 SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
631 CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
633 AC_SUBST(SRC_CC_OPTS)
635 dnl ** figure out how to do context diffs
638 dnl ** Find find command (for Win32's benefit)
641 dnl ** look for a decent parser generator (bison preferred)
642 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
643 dnl on the suitability of the 'yacc' returned.)
646 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
647 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
648 dnl exists if 'flex' doesn't.
651 dnl ** figure out how to do a BSD-ish install
654 dnl If you can run configure, you certainly have /bin/sh
655 AC_DEFINE(HAVE_BIN_SH)
657 dnl ** how to invoke `ar' and `ranlib'
658 FPTOOLS_PROG_AR_AND_RANLIB
660 dnl ** Check to see whether ln -s works
664 dnl ** Find the path to sed
665 AC_PATH_PROG(SedCmd,sed)
668 dnl ** check for time command
669 AC_PATH_PROG(TimeCmd,time)
672 dnl if GNU tar is named gtar, look for it first.
673 AC_PATH_PROGS(TarCmd,gtar tar,tar)
675 dnl ** check for gzip/compress
676 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
678 dnl ** check for jade/openjade & determine a working catalog
679 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
680 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
681 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
682 if test -z "$Catalog"; then
683 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
686 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
692 Catalog=`cygpath -w $hardtop/$Catalog`
694 *) Catalog=$hardtop/$Catalog
701 compress_nm=`basename $CompressCmd`
702 if test x"$compress_nm" = xgzip; then
703 CompressCmd="$CompressCmd -d"
708 AC_SUBST(CompressCmd)
709 AC_SUBST(CompressSuffix)
711 dnl ** check for ghc-pkg command
713 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
715 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
716 GhcPkgCmd=$ghc_pkg_guess
717 AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
719 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
722 AC_ARG_WITH(greencard,
723 [ --with-greencard=<greencard compiler>
724 Use a command different from 'green-card' to compile GreenCard files
727 GreencardCmd=$withval;
728 FPTOOLS_GREENCARD(3.00)
732 AC_ARG_ENABLE(src-tree-happy,
733 [ --enable-src-tree-happy
734 Build and use source tree (fptools/happy) version of happy.
736 [UseSrcTreeHappy=YES],
739 dnl ** check for installed happy binary + version
740 dnl (don't do it if we're booting from .hc files though.)
741 if test "$BootingFromHc" = "NO"; then
745 AC_ARG_ENABLE(src-tree-haddock,
746 [ --enable-src-tree-haddock
747 Build and use source tree (fptools/haddock) version of haddock.
749 [UseSrcTreeHaddock=YES],
750 [UseSrcTreeHaddock=NO]
752 dnl ** check for installed haddock
755 dnl --------------------------------------------------
756 dnl ### program checking section ends here ###
757 dnl --------------------------------------------------
759 dnl --------------------------------------------------
760 dnl * Platform header file and syscall feature tests
761 dnl ### checking the state of the local header files and syscalls ###
763 dnl ** check for full ANSI header (.h) files
766 dnl ** Enable large file support. NB. do this before testing the type of
767 dnl off_t, because it will affect the result of that test.
770 dnl ** check for specific header (.h) files that we are interested in
771 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h bfd.h winsock.h pthread.h sys/uio.h)
772 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
774 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
775 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
777 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
778 HaveReadlineHeaders=YES
779 AC_DEFINE(HAVE_READLINE_HEADERS,1)
781 HaveReadlineHeaders=NO
782 AC_DEFINE(HAVE_READLINE_HEADERS,0)
784 AC_SUBST(HaveReadlineHeaders)
786 dnl ** check for DOS include files
787 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
789 dnl ** check for Windows include files
790 AC_CHECK_HEADERS(windows.h)
792 dnl ** check for OpenGL include files
793 if test $UseQuartzOpenGL = YES ; then
794 AC_CHECK_HEADERS(OpenGL/gl.h)
796 AC_CHECK_HEADERS(GL/gl.h)
799 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
802 dnl dynamic loading include files
803 AC_CHECK_HEADERS(dlfcn.h dl.h)
805 dnl ** check for farcalloc (in bcc)
806 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
808 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
809 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
811 dnl ** check for POSIX regex
813 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
814 AC_SUBST(HavePosixRegex)
816 dnl ** how do we get a timezone name, and UTC offset ?
819 dnl ** what's the type of timezone?
820 FPTOOLS_HAVE_TIMEZONE
821 FPTOOLS_TYPE_TIMEZONE
823 dnl ** do we have altzone?
826 dnl ** does struct stat contain st_blksize?
829 dnl ** do we have long longs?
832 dnl ** check what fields struct msghdr contains
833 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
834 FPTOOLS_MSGHDR_MSG_CONTROL
836 dnl ** what are the sizes of various types
837 dnl (these must come before GHC_CHECK_ALIGNMENT)
838 AC_CHECK_SIZEOF(char, 1)
839 AC_CHECK_SIZEOF(double, 8)
840 AC_CHECK_SIZEOF(float, 4)
841 AC_CHECK_SIZEOF(int, 4)
842 AC_CHECK_SIZEOF(long, 4)
843 if test "$fptools_cv_have_long_long" = yes; then
844 AC_CHECK_SIZEOF(long long, 8)
846 AC_CHECK_SIZEOF(short, 2)
847 AC_CHECK_SIZEOF(unsigned char, 1)
848 AC_CHECK_SIZEOF(unsigned int, 4)
849 AC_CHECK_SIZEOF(unsigned long, 4)
850 if test "$fptools_cv_have_long_long" = yes; then
851 AC_CHECK_SIZEOF(unsigned long long, 8)
853 AC_CHECK_SIZEOF(unsigned short, 2)
854 AC_CHECK_SIZEOF(void *, 4)
856 dnl ** what are alignment constraints on various types
857 FPTOOLS_CHECK_ALIGNMENT(char)
858 FPTOOLS_CHECK_ALIGNMENT(double)
859 FPTOOLS_CHECK_ALIGNMENT(float)
860 FPTOOLS_CHECK_ALIGNMENT(int)
861 FPTOOLS_CHECK_ALIGNMENT(long)
862 if test "$fptools_cv_have_long_long" = yes; then
863 FPTOOLS_CHECK_ALIGNMENT(long long)
865 FPTOOLS_CHECK_ALIGNMENT(short)
866 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
867 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
868 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
869 if test "$fptools_cv_have_long_long" = yes; then
870 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
872 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
873 FPTOOLS_CHECK_ALIGNMENT(void *)
875 dnl ** map standard C types and ISO types to Haskell types
876 FPTOOLS_CHECK_HTYPE(char)
877 FPTOOLS_CHECK_HTYPE(signed char)
878 FPTOOLS_CHECK_HTYPE(unsigned char)
879 FPTOOLS_CHECK_HTYPE(short)
880 FPTOOLS_CHECK_HTYPE(unsigned short)
881 FPTOOLS_CHECK_HTYPE(int)
882 FPTOOLS_CHECK_HTYPE(unsigned int)
883 FPTOOLS_CHECK_HTYPE(long)
884 FPTOOLS_CHECK_HTYPE(unsigned long)
885 if test "$fptools_cv_have_long_long" = yes; then
886 FPTOOLS_CHECK_HTYPE(long long)
887 FPTOOLS_CHECK_HTYPE(unsigned long long)
889 FPTOOLS_CHECK_HTYPE(float)
890 FPTOOLS_CHECK_HTYPE(double)
891 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
892 FPTOOLS_CHECK_HTYPE(size_t)
893 FPTOOLS_CHECK_HTYPE(wchar_t)
894 dnl Int32 is a HACK for non-ISO C compilers
895 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
896 FPTOOLS_CHECK_HTYPE(clock_t)
897 FPTOOLS_CHECK_HTYPE(time_t)
898 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
899 FPTOOLS_CHECK_HTYPE(ino_t)
900 FPTOOLS_CHECK_HTYPE(mode_t)
901 FPTOOLS_CHECK_HTYPE(off_t)
902 FPTOOLS_CHECK_HTYPE(pid_t)
903 FPTOOLS_CHECK_HTYPE(gid_t)
904 FPTOOLS_CHECK_HTYPE(uid_t)
905 FPTOOLS_CHECK_HTYPE(cc_t)
906 FPTOOLS_CHECK_HTYPE(speed_t)
907 FPTOOLS_CHECK_HTYPE(tcflag_t)
908 FPTOOLS_CHECK_HTYPE(blkcnt_t)
909 FPTOOLS_CHECK_HTYPE(nlink_t)
910 FPTOOLS_CHECK_HTYPE(ssize_t)
911 FPTOOLS_CHECK_HTYPE(rlim_t)
913 dnl ** Map OpenGL data types to Haskell types
914 if test $GhcLibsWithHOpenGL = YES ; then
915 FPTOOLS_CHECK_HTYPE(GLboolean)
916 FPTOOLS_CHECK_HTYPE(GLbyte)
917 FPTOOLS_CHECK_HTYPE(GLubyte)
918 FPTOOLS_CHECK_HTYPE(GLshort)
919 FPTOOLS_CHECK_HTYPE(GLushort)
920 FPTOOLS_CHECK_HTYPE(GLint)
921 FPTOOLS_CHECK_HTYPE(GLuint)
922 FPTOOLS_CHECK_HTYPE(GLsizei)
923 FPTOOLS_CHECK_HTYPE(GLenum)
924 FPTOOLS_CHECK_HTYPE(GLbitfield)
925 FPTOOLS_CHECK_HTYPE(GLfloat)
926 FPTOOLS_CHECK_HTYPE(GLclampf)
927 FPTOOLS_CHECK_HTYPE(GLdouble)
928 FPTOOLS_CHECK_HTYPE(GLclampd)
931 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
933 dnl ** can we open files in binary mode?
936 dnl ** check for GetModuleFileName and WinExec (windows only)
937 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
938 dnl Doesn't work because the linker can't see the functions if
939 dnl you omit the #include <windows.h>. (I've no idea why not...)
941 FPTOOLS_TRY_LINK_NOWARN(,[
952 if test "$have_winexec" = "1"; then
953 AC_DEFINE(HAVE_WINEXEC)
956 FPTOOLS_TRY_LINK_NOWARN(,[
962 GetModuleFileName((HMODULE)0,dir,0);
966 [have_getmodulefilename=1],
967 [have_getmodulefilename=0])
968 if test "$have_getmodulefilename" = "1"; then
969 AC_DEFINE(HAVE_GETMODULEFILENAME)
972 dnl ** check return type of signal handlers
973 dnl Foo: assumes we can use prototypes.
974 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
975 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
976 dnl [AC_TRY_COMPILE([#include <sys/types.h>
977 dnl #include <signal.h>
981 dnl void (*signal (int, void (*)(int)))(int);
984 dnl ac_cv_type_signal_handler=void_int,
985 dnl ac_cv_type_signal_handler=int_void)])
986 dnl if test "$ac_cv_type_signal_handler" = void_int; then
987 dnl AC_DEFINE(VOID_INT_SIGNALS)
990 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
992 if test "$ac_cv_type_signal" = void; then
993 AC_DEFINE(VOID_INT_SIGNALS)
996 dnl ** check for more functions
997 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
998 AC_CHECK_FUNCS(strcmp)
999 AC_CHECK_FUNCS(realpath _fullpath)
1000 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1001 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1002 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1003 AC_CHECK_FUNCS(snprintf _snprintf )
1004 AC_CHECK_FUNCS(popen _popen )
1005 AC_CHECK_FUNCS(pclose _pclose )
1006 AC_CHECK_FUNCS(setenv unsetenv)
1009 dnl ** check for specific library functions that we are interested in
1010 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1012 dnl ** Solaris2 needs additionl flag for getpw*_r()
1013 case "$TargetPlatform" in
1015 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1016 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1020 dnl ** check whether this machine has gmp3 installed
1021 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1022 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1023 HaveLibGmp=NO; LibGmp=not-installed))
1024 AC_SUBST(HaveLibGmp)
1027 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1028 HaveFrameworkHaskellSupport=NO
1029 if test $HostPlatform = "powerpc-apple-darwin"; then
1030 AC_MSG_CHECKING([for HaskellSupport.framework])
1032 LIBS="-framework HaskellSupport"
1033 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1034 if test $HaveFrameworkHaskellSupport = YES; then
1035 AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1038 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1040 AC_SUBST(HaveFrameworkHaskellSupport)
1042 dnl ** check for mingwex library
1043 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1044 AC_SUBST(HaveLibMingwEx)
1046 if test $HaveLibMingwEx = YES ; then
1047 AC_DEFINE(HAVE_MINGWEX)
1050 if test "$HaveLibGmp" = "NO"; then
1051 if test "$HostArch_CPP" = "ia64"; then
1052 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1056 dnl ** check whether this machine has GNU regex in libc.
1057 FPTOOLS_REGEX_IN_LIBC
1059 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1060 dnl the order of these tests matters: bfd needs liberty
1061 AC_CHECK_LIB(iberty, xmalloc)
1062 AC_CHECK_LIB(bfd, bfd_init)
1064 dnl ** check for readline, for Hugs and hslibs' Readline
1065 dnl ncurses supersedes termcap and curses, but for compatibility,
1066 dnl we have to check for all...
1067 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1068 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1069 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1070 HaveLibTermcap=NO; LibTermcap=not-installed)))
1072 if test $HaveLibTermcap = YES ; then
1073 LIBS="-l$LibTermcap $LIBS"
1074 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1077 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1078 AC_DEFINE(HAVE_READLINE_LIBS,1)
1079 LibsReadline="readline $LibTermcap"
1081 AC_DEFINE(HAVE_READLINE_LIBS,0)
1084 AC_SUBST(LibsReadline)
1086 if test "$HaveLibReadline"; then
1087 AC_CHECK_LIB(readline, rl_erase_empty_line,
1088 [AC_DEFINE(HAVE_READLINE_4, 1)],
1089 [AC_DEFINE(HAVE_READLINE_4, 0)])
1090 AC_CHECK_LIB(readline, rl_free_undo_list,
1091 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1092 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1094 AC_DEFINE(HAVE_READLINE_4, 0)
1095 AC_DEFINE(HAVE_READLINE_4_2, 0)
1098 dnl ** check for math library
1099 FPTOOLS_CHECK_LIBM()
1102 dnl ** check for X Window System
1105 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1106 if test $GhcLibsWithHOpenGL = YES ; then
1107 if test $UseQuartzOpenGL = YES ; then
1108 dnl Take a shortcut for Mac OS X native OpenGL:
1109 dnl It's in a non-standard location, but it's always there
1121 dnl ################################################################
1122 dnl Check for libraries
1123 dnl ################################################################
1125 dnl ** check for libdl & RTLD_NEXT
1127 dnl (Mac OS X only) ... but don't check if we already have the
1128 dnl HaskellSupport.framework
1130 if test $HaveFrameworkHaskellSupport = YES; then
1134 AC_DEFINE(HAVE_RTLDLOCAL)
1136 AC_DEFINE(HAVE_RTLDGLOBAL)
1138 AC_DEFINE(HAVE_RTLDNOW)
1140 AC_SUBST(HaveRtldNext)
1141 AC_SUBST(HaveRtldLocal)
1142 AC_SUBST(HaveRtldGlobal)
1143 AC_SUBST(HaveRtldNow)
1145 AC_CHECK_LIB(dl, dlopen,
1147 AC_DEFINE(HAVE_LIBDL)
1150 AC_CHECK_FUNCS(dlopen)
1153 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1154 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1163 AC_DEFINE(HAVE_RTLDNEXT)
1169 AC_SUBST(HaveRtldNext)
1171 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1172 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1181 AC_DEFINE(HAVE_RTLDLOCAL)
1187 AC_SUBST(HaveRtldLocal)
1189 dnl ** RTLD_GLOBAL isn't available on openbsd
1190 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1199 AC_DEFINE(HAVE_RTLDGLOBAL)
1205 AC_SUBST(HaveRtldGlobal)
1207 dnl ** RTLD_NOW isn't available on openbsd
1208 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1217 AC_DEFINE(HAVE_RTLDNOW)
1223 AC_SUBST(HaveRtldNow)
1226 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1228 dnl ---------- usleep ----------
1229 dnl --- stolen from guile configure ---
1230 dnl --- FIXME: /usr/include/unistd.h can't be right?
1232 ### On some systems usleep has no return value. If it does have one,
1233 ### we'd like to return it; otherwise, we'll fake it.
1234 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1235 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1236 /usr/include/unistd.h,
1237 [cv_func_usleep_return_type=void],
1238 [cv_func_usleep_return_type=int])])
1239 case "$cv_func_usleep_return_type" in
1241 AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1242 [Define if the system headers declare usleep to return void.])
1246 dnl --------------------------------------------------
1247 dnl * test for in_addr_t
1248 dnl --------------------------------------------------
1249 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1250 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1251 [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1254 dnl --------------------------------------------------
1255 dnl * test for Linux sendfile(2)
1256 dnl --------------------------------------------------
1257 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1258 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1259 [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1262 dnl --------------------------------------------------
1263 dnl * test for BSD sendfile(2)
1264 dnl --------------------------------------------------
1265 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1266 AC_EGREP_HEADER(sendfile, sys/socket.h,
1267 [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1270 dnl --------------------------------------------------
1272 dnl --------------------------------------------------
1274 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1275 if test "$GTK_CONFIG" != ""; then
1276 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1277 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1279 GTK_VERSION=$fptools_cv_gtk_version
1284 case $fptools_cv_gtk_version in
1286 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1291 AC_SUBST(GTK_CONFIG)
1292 AC_SUBST(GTK_VERSION)
1294 dnl --------------------------------------------------
1295 dnl * Miscellaneous feature tests
1296 dnl --------------------------------------------------
1298 dnl ** can we get alloca?
1301 dnl ** Working vfork?
1304 dnl ** determine whether or not const works
1307 dnl ** determine whether ANSI-function prototypes work?
1310 dnl ** are we big endian?
1313 dnl ** check for leading underscores in symbol names
1316 dnl ** check for ld, and whether ld has -x option
1317 AC_PATH_PROG(LdCmdRaw, ld)
1319 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1321 *) LdCmd=${LdCmdRaw}
1327 AC_MSG_CHECKING([for SIGPOLL])
1328 AC_EGREP_CPP(we_have_sigpoll,
1329 [#include <signal.h>
1333 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1334 AC_MSG_RESULT([$haveSIGPOLL])
1336 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1337 AC_EGREP_CPP(we_have_that_sysconf_thing,
1340 #ifdef _SC_GETGR_R_SIZE_MAX
1341 we_have_that_sysconf_thing
1344 [AC_MSG_RESULT([yes])
1345 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1346 [AC_MSG_RESULT([no])])
1348 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1349 AC_EGREP_CPP(we_have_that_sysconf_thing,
1352 #ifdef _SC_GETPW_R_SIZE_MAX
1353 we_have_that_sysconf_thing
1356 [AC_MSG_RESULT([yes])
1357 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1358 [AC_MSG_RESULT([no])])
1360 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )