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 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE
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 HostPlatform=sparc-unknown-linux
317 TargetPlatform=sparc-unknown-linux
318 BuildPlatform=sparc-unknown-linux
319 HostPlatform_CPP='sparc_unknown_linux'
321 HostVendor_CPP='unknown'
325 HostPlatform=sparc-unknown-openbsd
326 TargetPlatform=sparc-unknown-openbsd
327 BuildPlatform=sparc-unknown-openbsd
328 HostPlatform_CPP='sparc_unknown_openbsd'
330 HostVendor_CPP='unknown'
334 echo "Unrecognised platform: $HostPlatform"
338 echo "Canonicalised to: $HostPlatform"
339 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
340 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
342 BuildPlatform_CPP=$HostPlatform_CPP
343 TargetPlatform_CPP=$HostPlatform_CPP
344 BuildArch_CPP=$HostArch_CPP
345 TargetArch_CPP=$HostArch_CPP
346 BuildOS_CPP=$HostOS_CPP
348 TargetOS_CPP=$HostOS_CPP
349 BuildVendor_CPP=$HostVendor_CPP
350 TargetVendor_CPP=$HostVendor_CPP
352 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
353 dnl AC_SUBST(BuildPlatform)
355 AC_SUBST(HostPlatform)
356 AC_SUBST(TargetPlatform)
357 AC_SUBST(HostPlatform_CPP)
358 dnl AC_SUBST(BuildPlatform_CPP)
359 dnl AC_SUBST(TargetPlatform_CPP)
361 AC_SUBST(HostArch_CPP)
362 dnl AC_SUBST(BuildArch_CPP)
363 dnl AC_SUBST(TargetArch_CPP)
366 AC_SUBST(HostOS_Full)
367 dnl AC_SUBST(BuildOS_CPP)
368 dnl AC_SUBST(TargetOS_CPP)
370 AC_SUBST(HostVendor_CPP)
371 dnl AC_SUBST(BuildVendor_CPP)
372 dnl AC_SUBST(TargetVendor_CPP)
376 dnl --------------------------------------------------------------
377 dnl * Calculate absolute path to build tree
378 dnl --------------------------------------------------------------
380 AC_MSG_CHECKING(for path to top of build tree)
384 dnl Remove common automounter nonsense
386 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
388 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).
390 case $HostPlatform in
391 i386-unknown-mingw32 | i386-unknown-cygwin32)
392 # convert $hardtop to a path that mingw will understand too
393 cyghardtop=${hardtop}
394 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
395 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
398 hardtop_plat=${hardtop}
402 AC_SUBST(hardtop_plat)
404 AC_MSG_RESULT(${hardtop})
406 dnl --------------------------------------------------------------
407 dnl * Project specific configuration options
408 dnl --------------------------------------------------------------
409 dnl What follows is a bunch of options that can either be configured
410 dnl through command line options to the configure script or by
411 dnl supplying defns in the build tree's mk/build.mk. Having the option to
412 dnl use either is considered a Feature.
414 dnl ** What command to use to compile compiler sources ?
415 dnl --------------------------------------------------------------
418 [ --with-ghc=<haskell compiler>
419 Use a command different from 'ghc' to compile GHC-specific Haskell code
420 (including GHC itself).
422 [ WithGhc="$withval" ],
424 if test "$GHC" = ""; then
425 AC_PATH_PROG(GHC,ghc)
433 [ --with-hc=<haskell compiler>
434 Use a command different from 'ghc' to compile generic Haskell code.
441 if test "$WithGhc" != ""; then
442 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
443 AC_SUBST(GhcVersion)dnl
444 AC_SUBST(GhcMajVersion)dnl
445 AC_SUBST(GhcMinVersion)dnl
446 AC_SUBST(GhcPatchLevel)dnl
449 AC_PATH_PROGS(NHC,nhc nhc98)
450 AC_PATH_PROG(HBC,hbc)
452 dnl ** Which gcc to use?
453 dnl --------------------------------------------------------------
455 [ --with-gcc=<gcc command>
456 Use a different command instead of 'gcc' for the GNU C compiler.
458 [WhatGccIsCalled="$withval"
459 if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
460 # Canonicalise to <drive>:/path/to/gcc
461 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
464 [WhatGccIsCalled="gcc"]
466 AC_SUBST(WhatGccIsCalled)
468 dnl ** Booting from .hc files?
469 dnl --------------------------------------------------------------
470 AC_ARG_ENABLE(hc-boot,
472 Boot the Glasgow Haskell Compiler from intermediate .hc files.
473 (This option is mostly of interest to porters.)
478 AC_SUBST(BootingFromHc)
480 dnl ** Booting from unregisterised .hc files?
481 dnl --------------------------------------------------------------
482 AC_ARG_ENABLE(hc-boot-unregisterised,
483 [ --enable-hc-boot-unregisterised
484 With --enable-hc-boot, treat the intermediate .hc files as
485 unregisterised rather than registerised code.
486 (This option is mostly of interest to porters.)
488 [BootingFromUnregisterisedHc=YES],
489 [BootingFromUnregisterisedHc=NO]
491 AC_SUBST(BootingFromUnregisterisedHc)
493 if test "$BootingFromHc" = "NO"; then
494 if test "$BootingFromUnregisterisedHc" = "YES"; then
495 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
499 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
500 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
501 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
504 dnl ** Enable multi-thread friendly RTS?
505 dnl --------------------------------------------------------------
506 AC_ARG_ENABLE(threaded-rts,
507 [ --enable-threaded-rts
508 Support better interop with OS threads.
513 AC_SUBST(ThreadedRts)
515 dnl ** Enable the construction of Win32 DLLs?
516 dnl --------------------------------------------------------------
518 dnl [ The ability to build the RTS and libraries as separate DLLs used
519 dnl to be supported, but isn't currently (updates to the RTS, compiler
520 dnl and build system would be required to bring it back again.)
521 dnl Hence, exposing it as an option is false advertisement, so better
522 dnl disable it to avoid confusion (but leave it commented-out rather
523 dnl than removed in order to remind ourselves to bring back the
524 dnl feature at some stage.) ]
526 dnl AC_ARG_ENABLE(win32-dlls,
527 dnl [ --enable-win32-dlls
528 dnl If on a Win32 platform running mingw32/cygwin, enable the
529 dnl construction of DLLs containing ghc-compiled code.
532 dnl case $HostOS_CPP in
535 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
539 dnl EnableWin32DLLs=YES
541 dnl [EnableWin32DLLs=NO]
543 dnl AC_SUBST(EnableWin32DLLs)
544 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
545 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
548 dnl ** Enable the building of the ObjectIO?
549 dnl --------------------------------------------------------------
550 AC_ARG_ENABLE(objectio,
552 Build ObjectIO, a portable GUI library for Haskell.
554 [GhcLibsWithObjectIO=YES],
555 [GhcLibsWithObjectIO=NO]
557 AC_SUBST(GhcLibsWithObjectIO)
559 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
560 dnl --------------------------------------------------------------
561 AC_ARG_ENABLE(hopengl,
563 Build HOpenGL, a Haskell binding for OpenGL/GLUT.
564 On Mac OS X, use --enable-hopengl=x11 to use X11 instead
565 of the "native" libraries.
567 [GhcLibsWithHOpenGL=YES],
568 [GhcLibsWithHOpenGL=NO]
571 if test x"$TargetOS_CPP" = x"darwin"; then
572 if test x"$enable_hopengl" != x"x11"; then
573 AC_DEFINE(USE_QUARTZ_OPENGL)
578 AC_SUBST(GhcLibsWithHOpenGL)
580 dnl ** .NET interop support?
581 dnl --------------------------------------------------------------
582 AC_ARG_ENABLE(dotnet,
584 Build .NET interop layer.
586 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
589 AC_SUBST(DotnetSupport)
591 dnl --------------------------------------------------------------
592 dnl End of configure script option section
593 dnl --------------------------------------------------------------
596 dnl --------------------------------------------------------------
597 dnl * General configuration checks
598 dnl --------------------------------------------------------------
603 dnl ** look for `perl', but only in /bin on Windows
606 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
607 if test -z "$PerlCmd"; then
608 echo "You must install the version of Perl shipped with GHC"
609 echo "(or a compatible one) in /bin."
614 AC_PATH_PROG(PerlCmd,perl)
615 if test -z "$PerlCmd"; then
616 echo "You must install perl before you can continue"
617 echo "Perhaps it is already installed, but not in your PATH?"
620 FPTOOLS_CHECK_PERL_VERSION
625 dnl ** does #! path/to/perl work? (sometimes it's too long...)
628 dnl ** check for Python
629 AC_PATH_PROG(PythonCmd,python)
631 dnl ** look for GCC and find out which version
632 dnl Figure out which C compiler to use. Gcc is preferred.
633 dnl If gcc, make sure it's at least 2.1
637 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
639 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
642 dnl ** Without optimization some INLINE trickery fails for GHCi
645 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
646 if test x"$TargetOS_CPP" = x"mingw32"; then
647 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
648 SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
649 CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
651 AC_SUBST(SRC_CC_OPTS)
653 dnl ** figure out how to do context diffs
656 dnl ** Find find command (for Win32's benefit)
659 dnl ** figure out how to do a BSD-ish install
662 dnl If you can run configure, you certainly have /bin/sh
663 AC_DEFINE(HAVE_BIN_SH)
665 dnl ** how to invoke `ar' and `ranlib'
666 FPTOOLS_PROG_AR_AND_RANLIB
668 dnl ** Check to see whether ln -s works
672 dnl ** Find the path to sed
673 AC_PATH_PROG(SedCmd,sed)
676 dnl ** check for time command
677 AC_PATH_PROG(TimeCmd,time)
680 dnl if GNU tar is named gtar, look for it first.
681 AC_PATH_PROGS(TarCmd,gtar tar,tar)
683 dnl ** check for gzip/compress
684 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
686 dnl ** check for jade/openjade & determine a working catalog
687 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
688 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
689 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
690 if test -z "$Catalog"; then
691 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
694 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
700 Catalog=`cygpath -w $hardtop/$Catalog`
702 *) Catalog=$hardtop/$Catalog
709 compress_nm=`basename $CompressCmd`
710 if test x"$compress_nm" = xgzip; then
711 CompressCmd="$CompressCmd -d"
716 AC_SUBST(CompressCmd)
717 AC_SUBST(CompressSuffix)
719 dnl ** check for ghc-pkg command
721 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
723 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
724 GhcPkgCmd=$ghc_pkg_guess
725 AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
727 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
730 AC_ARG_WITH(greencard,
731 [ --with-greencard=<greencard compiler>
732 Use a command different from 'green-card' to compile GreenCard files
735 GreencardCmd=$withval;
736 FPTOOLS_GREENCARD(3.00)
740 AC_ARG_ENABLE(src-tree-happy,
741 [ --enable-src-tree-happy
742 Build and use source tree (fptools/happy) version of Happy.
744 [UseSrcTreeHappy=YES],
747 dnl ** check for installed happy binary + version
748 dnl (don't do it if we're booting from .hc files though.)
749 if test "$BootingFromHc" = "NO"; then
753 AC_ARG_ENABLE(src-tree-haddock,
754 [ --enable-src-tree-haddock
755 Build and use source tree (fptools/haddock) version of Haddock.
757 [UseSrcTreeHaddock=YES],
758 [UseSrcTreeHaddock=NO]
760 dnl ** check for installed haddock
763 AC_ARG_ENABLE(src-tree-alex,
764 [ --enable-src-tree-alex
765 Build and use source tree (fptools/alex) version of Alex.
767 [UseSrcTreeAlex=YES],
770 dnl ** check for installed alex binary + version
771 dnl (don't do it if we're booting from .hc files though.)
772 if test "$BootingFromHc" = "NO"; then
776 dnl --------------------------------------------------
777 dnl ### program checking section ends here ###
778 dnl --------------------------------------------------
780 dnl --------------------------------------------------
781 dnl * Platform header file and syscall feature tests
782 dnl ### checking the state of the local header files and syscalls ###
784 dnl ** check for full ANSI header (.h) files
787 dnl ** Enable large file support. NB. do this before testing the type of
788 dnl off_t, because it will affect the result of that test.
791 dnl ** check for specific header (.h) files that we are interested in
792 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)
793 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
795 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
796 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
798 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
799 HaveReadlineHeaders=YES
800 AC_DEFINE(HAVE_READLINE_HEADERS,1)
802 HaveReadlineHeaders=NO
803 AC_DEFINE(HAVE_READLINE_HEADERS,0)
805 AC_SUBST(HaveReadlineHeaders)
807 dnl ** check for DOS include files
808 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
810 dnl ** check for Windows include files
811 AC_CHECK_HEADERS(windows.h)
813 dnl ** check for OpenGL include files
814 if test $UseQuartzOpenGL = YES ; then
815 AC_CHECK_HEADERS(OpenGL/gl.h)
817 AC_CHECK_HEADERS(GL/gl.h)
820 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
823 dnl dynamic loading include files
824 AC_CHECK_HEADERS(dlfcn.h dl.h)
826 dnl ** check for farcalloc (in bcc)
827 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
829 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
830 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
832 dnl ** check for POSIX regex
834 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
835 AC_SUBST(HavePosixRegex)
837 dnl ** how do we get a timezone name, and UTC offset ?
840 dnl ** do we have altzone?
843 dnl ** does struct stat contain st_blksize?
846 dnl ** do we have long longs?
847 AC_CHECK_TYPES([long long])
849 dnl ** check what fields struct msghdr contains
850 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
851 FPTOOLS_MSGHDR_MSG_CONTROL
853 dnl ** what are the sizes of various types
854 AC_CHECK_SIZEOF(char, 1)
855 AC_CHECK_SIZEOF(double, 8)
856 AC_CHECK_SIZEOF(float, 4)
857 AC_CHECK_SIZEOF(int, 4)
858 AC_CHECK_SIZEOF(long, 4)
859 if test "$ac_cv_type_long_long" = yes; then
860 AC_CHECK_SIZEOF(long long, 8)
862 AC_CHECK_SIZEOF(short, 2)
863 AC_CHECK_SIZEOF(unsigned char, 1)
864 AC_CHECK_SIZEOF(unsigned int, 4)
865 AC_CHECK_SIZEOF(unsigned long, 4)
866 if test "$ac_cv_type_long_long" = yes; then
867 AC_CHECK_SIZEOF(unsigned long long, 8)
869 AC_CHECK_SIZEOF(unsigned short, 2)
870 AC_CHECK_SIZEOF(void *, 4)
872 dnl ** what are alignment constraints on various types
873 FP_CHECK_ALIGNMENT(char)
874 FP_CHECK_ALIGNMENT(double)
875 FP_CHECK_ALIGNMENT(float)
876 FP_CHECK_ALIGNMENT(int)
877 FP_CHECK_ALIGNMENT(long)
878 if test "$ac_cv_type_long_long" = yes; then
879 FP_CHECK_ALIGNMENT(long long)
881 FP_CHECK_ALIGNMENT(short)
882 FP_CHECK_ALIGNMENT(unsigned char)
883 FP_CHECK_ALIGNMENT(unsigned int)
884 FP_CHECK_ALIGNMENT(unsigned long)
885 if test "$ac_cv_type_long_long" = yes; then
886 FP_CHECK_ALIGNMENT(unsigned long long)
888 FP_CHECK_ALIGNMENT(unsigned short)
889 FP_CHECK_ALIGNMENT(void *)
891 dnl ** map standard C types and ISO types to Haskell types
892 FPTOOLS_CHECK_HTYPE(char)
893 FPTOOLS_CHECK_HTYPE(signed char)
894 FPTOOLS_CHECK_HTYPE(unsigned char)
895 FPTOOLS_CHECK_HTYPE(short)
896 FPTOOLS_CHECK_HTYPE(unsigned short)
897 FPTOOLS_CHECK_HTYPE(int)
898 FPTOOLS_CHECK_HTYPE(unsigned int)
899 FPTOOLS_CHECK_HTYPE(long)
900 FPTOOLS_CHECK_HTYPE(unsigned long)
901 if test "$ac_cv_type_long_long" = yes; then
902 FPTOOLS_CHECK_HTYPE(long long)
903 FPTOOLS_CHECK_HTYPE(unsigned long long)
905 FPTOOLS_CHECK_HTYPE(float)
906 FPTOOLS_CHECK_HTYPE(double)
907 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
908 FPTOOLS_CHECK_HTYPE(size_t)
909 FPTOOLS_CHECK_HTYPE(wchar_t)
910 dnl Int32 is a HACK for non-ISO C compilers
911 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
912 FPTOOLS_CHECK_HTYPE(clock_t)
913 FPTOOLS_CHECK_HTYPE(time_t)
914 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
915 FPTOOLS_CHECK_HTYPE(ino_t)
916 FPTOOLS_CHECK_HTYPE(mode_t)
917 FPTOOLS_CHECK_HTYPE(off_t)
918 FPTOOLS_CHECK_HTYPE(pid_t)
919 FPTOOLS_CHECK_HTYPE(gid_t)
920 FPTOOLS_CHECK_HTYPE(uid_t)
921 FPTOOLS_CHECK_HTYPE(cc_t)
922 FPTOOLS_CHECK_HTYPE(speed_t)
923 FPTOOLS_CHECK_HTYPE(tcflag_t)
924 FPTOOLS_CHECK_HTYPE(blkcnt_t)
925 FPTOOLS_CHECK_HTYPE(nlink_t)
926 FPTOOLS_CHECK_HTYPE(ssize_t)
927 FPTOOLS_CHECK_HTYPE(rlim_t)
929 dnl ** Map OpenGL data types to Haskell types
930 if test $GhcLibsWithHOpenGL = YES ; then
931 FPTOOLS_CHECK_HTYPE(GLboolean)
932 FPTOOLS_CHECK_HTYPE(GLbyte)
933 FPTOOLS_CHECK_HTYPE(GLubyte)
934 FPTOOLS_CHECK_HTYPE(GLshort)
935 FPTOOLS_CHECK_HTYPE(GLushort)
936 FPTOOLS_CHECK_HTYPE(GLint)
937 FPTOOLS_CHECK_HTYPE(GLuint)
938 FPTOOLS_CHECK_HTYPE(GLsizei)
939 FPTOOLS_CHECK_HTYPE(GLenum)
940 FPTOOLS_CHECK_HTYPE(GLbitfield)
941 FPTOOLS_CHECK_HTYPE(GLfloat)
942 FPTOOLS_CHECK_HTYPE(GLclampf)
943 FPTOOLS_CHECK_HTYPE(GLdouble)
944 FPTOOLS_CHECK_HTYPE(GLclampd)
947 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
949 dnl ** can we open files in binary mode?
952 dnl ** check for GetModuleFileName and WinExec (windows only)
953 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
954 dnl Doesn't work because the linker can't see the functions if
955 dnl you omit the #include <windows.h>. (I've no idea why not...)
957 FPTOOLS_TRY_LINK_NOWARN(,[
968 if test "$have_winexec" = "1"; then
969 AC_DEFINE(HAVE_WINEXEC)
972 FPTOOLS_TRY_LINK_NOWARN(,[
978 GetModuleFileName((HMODULE)0,dir,0);
982 [have_getmodulefilename=1],
983 [have_getmodulefilename=0])
984 if test "$have_getmodulefilename" = "1"; then
985 AC_DEFINE(HAVE_GETMODULEFILENAME)
988 dnl ** check return type of signal handlers
989 dnl Foo: assumes we can use prototypes.
990 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
991 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
992 dnl [AC_TRY_COMPILE([#include <sys/types.h>
993 dnl #include <signal.h>
997 dnl void (*signal (int, void (*)(int)))(int);
1000 dnl ac_cv_type_signal_handler=void_int,
1001 dnl ac_cv_type_signal_handler=int_void)])
1002 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1003 dnl AC_DEFINE(VOID_INT_SIGNALS)
1006 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1008 if test "$ac_cv_type_signal" = void; then
1009 AC_DEFINE(VOID_INT_SIGNALS)
1012 dnl ** check for more functions
1013 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1014 AC_CHECK_FUNCS(strcmp)
1015 AC_CHECK_FUNCS(realpath _fullpath)
1016 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1017 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1018 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1019 AC_CHECK_FUNCS(snprintf _snprintf )
1020 AC_CHECK_FUNCS(popen _popen )
1021 AC_CHECK_FUNCS(pclose _pclose )
1022 AC_CHECK_FUNCS(setenv unsetenv)
1025 dnl ** check for specific library functions that we are interested in
1026 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1028 dnl ** Solaris2 needs additionl flag for getpw*_r()
1029 case "$TargetPlatform" in
1031 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1032 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1036 dnl ** check whether this machine has gmp3 installed
1037 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1038 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1039 HaveLibGmp=NO; LibGmp=not-installed))
1040 AC_SUBST(HaveLibGmp)
1043 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1044 HaveFrameworkHaskellSupport=NO
1045 if test $HostPlatform = "powerpc-apple-darwin"; then
1046 AC_MSG_CHECKING([for HaskellSupport.framework])
1048 LIBS="-framework HaskellSupport"
1049 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1050 if test $HaveFrameworkHaskellSupport = YES; then
1051 AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1054 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1056 AC_SUBST(HaveFrameworkHaskellSupport)
1058 dnl ** check for mingwex library
1059 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1060 AC_SUBST(HaveLibMingwEx)
1062 if test $HaveLibMingwEx = YES ; then
1063 AC_DEFINE(HAVE_MINGWEX)
1066 if test "$HaveLibGmp" = "NO"; then
1067 if test "$HostArch_CPP" = "ia64"; then
1068 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1072 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1073 dnl the order of these tests matters: bfd needs liberty
1074 AC_CHECK_LIB(iberty, xmalloc)
1075 AC_CHECK_LIB(bfd, bfd_init)
1077 dnl ** check for readline, for Hugs and hslibs' Readline
1078 dnl ncurses supersedes termcap and curses, but for compatibility,
1079 dnl we have to check for all...
1080 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1081 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1082 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1083 HaveLibTermcap=NO; LibTermcap=not-installed)))
1085 if test $HaveLibTermcap = YES ; then
1086 LIBS="-l$LibTermcap $LIBS"
1087 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1090 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1091 AC_DEFINE(HAVE_READLINE_LIBS,1)
1092 LibsReadline="readline $LibTermcap"
1094 AC_DEFINE(HAVE_READLINE_LIBS,0)
1097 AC_SUBST(LibsReadline)
1099 if test "$HaveLibReadline"; then
1100 AC_CHECK_LIB(readline, rl_erase_empty_line,
1101 [AC_DEFINE(HAVE_READLINE_4, 1)],
1102 [AC_DEFINE(HAVE_READLINE_4, 0)])
1103 AC_CHECK_LIB(readline, rl_free_undo_list,
1104 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1105 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1107 AC_DEFINE(HAVE_READLINE_4, 0)
1108 AC_DEFINE(HAVE_READLINE_4_2, 0)
1111 dnl ** check for math library
1112 FPTOOLS_CHECK_LIBM()
1115 dnl ** check for X Window System
1118 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1119 if test $GhcLibsWithHOpenGL = YES ; then
1120 if test $UseQuartzOpenGL = YES ; then
1121 dnl Take a shortcut for Mac OS X native OpenGL:
1122 dnl It's in a non-standard location, but it's always there
1134 dnl ################################################################
1135 dnl Check for libraries
1136 dnl ################################################################
1138 dnl ** check for libdl & RTLD_NEXT
1140 dnl (Mac OS X only) ... but don't check if we already have the
1141 dnl HaskellSupport.framework
1143 if test $HaveFrameworkHaskellSupport = YES; then
1147 AC_DEFINE(HAVE_RTLDLOCAL)
1149 AC_DEFINE(HAVE_RTLDGLOBAL)
1151 AC_DEFINE(HAVE_RTLDNOW)
1153 AC_SUBST(HaveRtldNext)
1154 AC_SUBST(HaveRtldLocal)
1155 AC_SUBST(HaveRtldGlobal)
1156 AC_SUBST(HaveRtldNow)
1158 AC_CHECK_LIB(dl, dlopen,
1160 AC_DEFINE(HAVE_LIBDL)
1163 AC_CHECK_FUNCS(dlopen)
1166 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1167 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1176 AC_DEFINE(HAVE_RTLDNEXT)
1182 AC_SUBST(HaveRtldNext)
1184 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1185 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1194 AC_DEFINE(HAVE_RTLDLOCAL)
1200 AC_SUBST(HaveRtldLocal)
1202 dnl ** RTLD_GLOBAL isn't available on openbsd
1203 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1212 AC_DEFINE(HAVE_RTLDGLOBAL)
1218 AC_SUBST(HaveRtldGlobal)
1220 dnl ** RTLD_NOW isn't available on openbsd
1221 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1230 AC_DEFINE(HAVE_RTLDNOW)
1236 AC_SUBST(HaveRtldNow)
1239 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1241 dnl ---------- usleep ----------
1242 dnl --- stolen from guile configure ---
1243 dnl --- FIXME: /usr/include/unistd.h can't be right?
1245 ### On some systems usleep has no return value. If it does have one,
1246 ### we'd like to return it; otherwise, we'll fake it.
1247 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1248 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1249 /usr/include/unistd.h,
1250 [cv_func_usleep_return_type=void],
1251 [cv_func_usleep_return_type=int])])
1252 case "$cv_func_usleep_return_type" in
1254 AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1255 [Define if the system headers declare usleep to return void.])
1259 dnl --------------------------------------------------
1260 dnl * test for in_addr_t
1261 dnl --------------------------------------------------
1262 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1263 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1264 [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1267 dnl --------------------------------------------------
1268 dnl * test for Linux sendfile(2)
1269 dnl --------------------------------------------------
1270 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1271 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1272 [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1275 dnl --------------------------------------------------
1276 dnl * test for BSD sendfile(2)
1277 dnl --------------------------------------------------
1278 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1279 AC_EGREP_HEADER(sendfile, sys/socket.h,
1280 [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1283 dnl --------------------------------------------------
1285 dnl --------------------------------------------------
1287 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1288 if test "$GTK_CONFIG" != ""; then
1289 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1290 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1292 GTK_VERSION=$fptools_cv_gtk_version
1297 case $fptools_cv_gtk_version in
1299 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1304 AC_SUBST(GTK_CONFIG)
1305 AC_SUBST(GTK_VERSION)
1307 dnl --------------------------------------------------
1308 dnl * Miscellaneous feature tests
1309 dnl --------------------------------------------------
1311 dnl ** can we get alloca?
1314 dnl ** Working vfork?
1317 dnl ** determine whether or not const works
1320 dnl ** are we big endian?
1323 dnl ** check for leading underscores in symbol names
1326 dnl ** check for ld, and whether ld has -x option
1327 AC_PATH_PROG(LdCmdRaw, ld)
1329 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1331 *) LdCmd=${LdCmdRaw}
1337 AC_MSG_CHECKING([for SIGPOLL])
1338 AC_EGREP_CPP(we_have_sigpoll,
1339 [#include <signal.h>
1343 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1344 AC_MSG_RESULT([$haveSIGPOLL])
1346 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1347 AC_EGREP_CPP(we_have_that_sysconf_thing,
1350 #ifdef _SC_GETGR_R_SIZE_MAX
1351 we_have_that_sysconf_thing
1354 [AC_MSG_RESULT([yes])
1355 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1356 [AC_MSG_RESULT([no])])
1358 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1359 AC_EGREP_CPP(we_have_that_sysconf_thing,
1362 #ifdef _SC_GETPW_R_SIZE_MAX
1363 we_have_that_sysconf_thing
1366 [AC_MSG_RESULT([yes])
1367 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1368 [AC_MSG_RESULT([no])])
1370 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )