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], [1],
574 [Define to 1 if native OpenGL should be used on Mac OS X])
579 AC_SUBST(GhcLibsWithHOpenGL)
581 dnl ** .NET interop support?
582 dnl --------------------------------------------------------------
583 AC_ARG_ENABLE(dotnet,
585 Build .NET interop layer.
587 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
590 AC_SUBST(DotnetSupport)
592 dnl --------------------------------------------------------------
593 dnl End of configure script option section
594 dnl --------------------------------------------------------------
597 dnl --------------------------------------------------------------
598 dnl * General configuration checks
599 dnl --------------------------------------------------------------
604 dnl ** look for `perl', but only in /bin on Windows
607 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
608 if test -z "$PerlCmd"; then
609 echo "You must install the version of Perl shipped with GHC"
610 echo "(or a compatible one) in /bin."
615 AC_PATH_PROG(PerlCmd,perl)
616 if test -z "$PerlCmd"; then
617 echo "You must install perl before you can continue"
618 echo "Perhaps it is already installed, but not in your PATH?"
621 FPTOOLS_CHECK_PERL_VERSION
626 dnl ** does #! path/to/perl work? (sometimes it's too long...)
629 dnl ** check for Python
630 AC_PATH_PROG(PythonCmd,python)
632 dnl ** look for GCC and find out which version
633 dnl Figure out which C compiler to use. Gcc is preferred.
634 dnl If gcc, make sure it's at least 2.1
638 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
640 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
643 dnl ** Without optimization some INLINE trickery fails for GHCi
646 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
647 if test x"$TargetOS_CPP" = x"mingw32"; then
648 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
649 SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
650 CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
652 AC_SUBST(SRC_CC_OPTS)
654 dnl ** figure out how to do context diffs
657 dnl ** Find find command (for Win32's benefit)
660 dnl ** figure out how to do a BSD-ish install
663 dnl If you can run configure, you certainly have /bin/sh
664 AC_DEFINE(HAVE_BIN_SH)
666 dnl ** how to invoke `ar' and `ranlib'
667 FPTOOLS_PROG_AR_AND_RANLIB
669 dnl ** Check to see whether ln -s works
673 dnl ** Find the path to sed
674 AC_PATH_PROG(SedCmd,sed)
677 dnl ** check for time command
678 AC_PATH_PROG(TimeCmd,time)
681 dnl if GNU tar is named gtar, look for it first.
682 AC_PATH_PROGS(TarCmd,gtar tar,tar)
684 dnl ** check for gzip/compress
685 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
687 dnl ** check for jade/openjade & determine a working catalog
688 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
689 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
690 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
691 if test -z "$Catalog"; then
692 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
695 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
701 Catalog=`cygpath -w $hardtop/$Catalog`
703 *) Catalog=$hardtop/$Catalog
710 compress_nm=`basename $CompressCmd`
711 if test x"$compress_nm" = xgzip; then
712 CompressCmd="$CompressCmd -d"
717 AC_SUBST(CompressCmd)
718 AC_SUBST(CompressSuffix)
720 dnl ** check for ghc-pkg command
722 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
724 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
725 GhcPkgCmd=$ghc_pkg_guess
726 AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
728 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
731 AC_ARG_WITH(greencard,
732 [ --with-greencard=<greencard compiler>
733 Use a command different from 'green-card' to compile GreenCard files
736 GreencardCmd=$withval;
737 FPTOOLS_GREENCARD(3.00)
741 AC_ARG_ENABLE(src-tree-happy,
742 [ --enable-src-tree-happy
743 Build and use source tree (fptools/happy) version of Happy.
745 [UseSrcTreeHappy=YES],
748 dnl ** check for installed happy binary + version
749 dnl (don't do it if we're booting from .hc files though.)
750 if test "$BootingFromHc" = "NO"; then
754 AC_ARG_ENABLE(src-tree-haddock,
755 [ --enable-src-tree-haddock
756 Build and use source tree (fptools/haddock) version of Haddock.
758 [UseSrcTreeHaddock=YES],
759 [UseSrcTreeHaddock=NO]
761 dnl ** check for installed haddock
764 AC_ARG_ENABLE(src-tree-alex,
765 [ --enable-src-tree-alex
766 Build and use source tree (fptools/alex) version of Alex.
768 [UseSrcTreeAlex=YES],
771 dnl ** check for installed alex binary + version
772 dnl (don't do it if we're booting from .hc files though.)
773 if test "$BootingFromHc" = "NO"; then
777 dnl --------------------------------------------------
778 dnl ### program checking section ends here ###
779 dnl --------------------------------------------------
781 dnl --------------------------------------------------
782 dnl * Platform header file and syscall feature tests
783 dnl ### checking the state of the local header files and syscalls ###
785 dnl ** check for full ANSI header (.h) files
788 dnl ** Enable large file support. NB. do this before testing the type of
789 dnl off_t, because it will affect the result of that test.
792 dnl ** check for specific header (.h) files that we are interested in
793 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)
794 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
796 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
797 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
799 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
800 HaveReadlineHeaders=YES
801 AC_DEFINE(HAVE_READLINE_HEADERS,1)
803 HaveReadlineHeaders=NO
804 AC_DEFINE(HAVE_READLINE_HEADERS,0)
806 AC_SUBST(HaveReadlineHeaders)
808 dnl ** check for DOS include files
809 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
811 dnl ** check for Windows include files
812 AC_CHECK_HEADERS(windows.h)
814 dnl ** check for OpenGL include files
815 if test $UseQuartzOpenGL = YES ; then
816 AC_CHECK_HEADERS(OpenGL/gl.h)
818 AC_CHECK_HEADERS(GL/gl.h)
821 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
824 dnl dynamic loading include files
825 AC_CHECK_HEADERS(dlfcn.h dl.h)
827 dnl ** check for farcalloc (in bcc)
828 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
830 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
831 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
833 dnl ** check for POSIX regex
835 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
836 AC_SUBST(HavePosixRegex)
838 dnl ** how do we get a timezone name, and UTC offset ?
841 dnl ** do we have altzone?
844 dnl ** does struct stat contain st_blksize?
847 dnl ** do we have long longs?
848 AC_CHECK_TYPES([long long])
850 dnl ** check what fields struct msghdr contains
851 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
852 FPTOOLS_MSGHDR_MSG_CONTROL
854 dnl ** what are the sizes of various types
855 AC_CHECK_SIZEOF(char, 1)
856 AC_CHECK_SIZEOF(double, 8)
857 AC_CHECK_SIZEOF(float, 4)
858 AC_CHECK_SIZEOF(int, 4)
859 AC_CHECK_SIZEOF(long, 4)
860 if test "$ac_cv_type_long_long" = yes; then
861 AC_CHECK_SIZEOF(long long, 8)
863 AC_CHECK_SIZEOF(short, 2)
864 AC_CHECK_SIZEOF(unsigned char, 1)
865 AC_CHECK_SIZEOF(unsigned int, 4)
866 AC_CHECK_SIZEOF(unsigned long, 4)
867 if test "$ac_cv_type_long_long" = yes; then
868 AC_CHECK_SIZEOF(unsigned long long, 8)
870 AC_CHECK_SIZEOF(unsigned short, 2)
871 AC_CHECK_SIZEOF(void *, 4)
873 dnl ** what are alignment constraints on various types
874 FP_CHECK_ALIGNMENT(char)
875 FP_CHECK_ALIGNMENT(double)
876 FP_CHECK_ALIGNMENT(float)
877 FP_CHECK_ALIGNMENT(int)
878 FP_CHECK_ALIGNMENT(long)
879 if test "$ac_cv_type_long_long" = yes; then
880 FP_CHECK_ALIGNMENT(long long)
882 FP_CHECK_ALIGNMENT(short)
883 FP_CHECK_ALIGNMENT(unsigned char)
884 FP_CHECK_ALIGNMENT(unsigned int)
885 FP_CHECK_ALIGNMENT(unsigned long)
886 if test "$ac_cv_type_long_long" = yes; then
887 FP_CHECK_ALIGNMENT(unsigned long long)
889 FP_CHECK_ALIGNMENT(unsigned short)
890 FP_CHECK_ALIGNMENT(void *)
892 dnl ** map standard C types and ISO types to Haskell types
893 FPTOOLS_CHECK_HTYPE(char)
894 FPTOOLS_CHECK_HTYPE(signed char)
895 FPTOOLS_CHECK_HTYPE(unsigned char)
896 FPTOOLS_CHECK_HTYPE(short)
897 FPTOOLS_CHECK_HTYPE(unsigned short)
898 FPTOOLS_CHECK_HTYPE(int)
899 FPTOOLS_CHECK_HTYPE(unsigned int)
900 FPTOOLS_CHECK_HTYPE(long)
901 FPTOOLS_CHECK_HTYPE(unsigned long)
902 if test "$ac_cv_type_long_long" = yes; then
903 FPTOOLS_CHECK_HTYPE(long long)
904 FPTOOLS_CHECK_HTYPE(unsigned long long)
906 FPTOOLS_CHECK_HTYPE(float)
907 FPTOOLS_CHECK_HTYPE(double)
908 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
909 FPTOOLS_CHECK_HTYPE(size_t)
910 FPTOOLS_CHECK_HTYPE(wchar_t)
911 dnl Int32 is a HACK for non-ISO C compilers
912 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
913 FPTOOLS_CHECK_HTYPE(clock_t)
914 FPTOOLS_CHECK_HTYPE(time_t)
915 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
916 FPTOOLS_CHECK_HTYPE(ino_t)
917 FPTOOLS_CHECK_HTYPE(mode_t)
918 FPTOOLS_CHECK_HTYPE(off_t)
919 FPTOOLS_CHECK_HTYPE(pid_t)
920 FPTOOLS_CHECK_HTYPE(gid_t)
921 FPTOOLS_CHECK_HTYPE(uid_t)
922 FPTOOLS_CHECK_HTYPE(cc_t)
923 FPTOOLS_CHECK_HTYPE(speed_t)
924 FPTOOLS_CHECK_HTYPE(tcflag_t)
925 FPTOOLS_CHECK_HTYPE(blkcnt_t)
926 FPTOOLS_CHECK_HTYPE(nlink_t)
927 FPTOOLS_CHECK_HTYPE(ssize_t)
928 FPTOOLS_CHECK_HTYPE(rlim_t)
930 dnl ** Map OpenGL data types to Haskell types
931 if test $GhcLibsWithHOpenGL = YES ; then
932 FPTOOLS_CHECK_HTYPE(GLboolean)
933 FPTOOLS_CHECK_HTYPE(GLbyte)
934 FPTOOLS_CHECK_HTYPE(GLubyte)
935 FPTOOLS_CHECK_HTYPE(GLshort)
936 FPTOOLS_CHECK_HTYPE(GLushort)
937 FPTOOLS_CHECK_HTYPE(GLint)
938 FPTOOLS_CHECK_HTYPE(GLuint)
939 FPTOOLS_CHECK_HTYPE(GLsizei)
940 FPTOOLS_CHECK_HTYPE(GLenum)
941 FPTOOLS_CHECK_HTYPE(GLbitfield)
942 FPTOOLS_CHECK_HTYPE(GLfloat)
943 FPTOOLS_CHECK_HTYPE(GLclampf)
944 FPTOOLS_CHECK_HTYPE(GLdouble)
945 FPTOOLS_CHECK_HTYPE(GLclampd)
948 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
950 dnl ** can we open files in binary mode?
953 dnl ** check for GetModuleFileName and WinExec (windows only)
954 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
955 dnl Doesn't work because the linker can't see the functions if
956 dnl you omit the #include <windows.h>. (I've no idea why not...)
958 FPTOOLS_TRY_LINK_NOWARN(,[
969 if test "$have_winexec" = "1"; then
970 AC_DEFINE(HAVE_WINEXEC)
973 FPTOOLS_TRY_LINK_NOWARN(,[
979 GetModuleFileName((HMODULE)0,dir,0);
983 [have_getmodulefilename=1],
984 [have_getmodulefilename=0])
985 if test "$have_getmodulefilename" = "1"; then
986 AC_DEFINE(HAVE_GETMODULEFILENAME)
989 dnl ** check return type of signal handlers
990 dnl Foo: assumes we can use prototypes.
991 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
992 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
993 dnl [AC_TRY_COMPILE([#include <sys/types.h>
994 dnl #include <signal.h>
998 dnl void (*signal (int, void (*)(int)))(int);
1001 dnl ac_cv_type_signal_handler=void_int,
1002 dnl ac_cv_type_signal_handler=int_void)])
1003 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1004 dnl AC_DEFINE(VOID_INT_SIGNALS)
1007 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1009 if test "$ac_cv_type_signal" = void; then
1010 AC_DEFINE(VOID_INT_SIGNALS)
1013 dnl ** check for more functions
1014 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1015 AC_CHECK_FUNCS(strcmp)
1016 AC_CHECK_FUNCS(realpath _fullpath)
1017 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1018 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1019 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1020 AC_CHECK_FUNCS(snprintf _snprintf )
1021 AC_CHECK_FUNCS(popen _popen )
1022 AC_CHECK_FUNCS(pclose _pclose )
1023 AC_CHECK_FUNCS(setenv unsetenv)
1026 dnl ** check for specific library functions that we are interested in
1027 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1029 dnl ** Solaris2 needs additionl flag for getpw*_r()
1030 case "$TargetPlatform" in
1032 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1033 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1037 dnl ** check whether this machine has gmp3 installed
1038 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1039 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1040 HaveLibGmp=NO; LibGmp=not-installed))
1041 AC_SUBST(HaveLibGmp)
1044 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1045 HaveFrameworkHaskellSupport=NO
1046 if test $HostPlatform = "powerpc-apple-darwin"; then
1047 AC_MSG_CHECKING([for HaskellSupport.framework])
1049 LIBS="-framework HaskellSupport"
1050 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1051 if test $HaveFrameworkHaskellSupport = YES; then
1052 AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1055 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1057 AC_SUBST(HaveFrameworkHaskellSupport)
1059 dnl ** check for mingwex library
1060 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1061 AC_SUBST(HaveLibMingwEx)
1063 if test $HaveLibMingwEx = YES ; then
1064 AC_DEFINE(HAVE_MINGWEX)
1067 if test "$HaveLibGmp" = "NO"; then
1068 if test "$HostArch_CPP" = "ia64"; then
1069 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1073 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1074 dnl the order of these tests matters: bfd needs liberty
1075 AC_CHECK_LIB(iberty, xmalloc)
1076 AC_CHECK_LIB(bfd, bfd_init)
1078 dnl ** check for readline, for Hugs and hslibs' Readline
1079 dnl ncurses supersedes termcap and curses, but for compatibility,
1080 dnl we have to check for all...
1081 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1082 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1083 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1084 HaveLibTermcap=NO; LibTermcap=not-installed)))
1086 if test $HaveLibTermcap = YES ; then
1087 LIBS="-l$LibTermcap $LIBS"
1088 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1091 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1092 AC_DEFINE(HAVE_READLINE_LIBS,1)
1093 LibsReadline="readline $LibTermcap"
1095 AC_DEFINE(HAVE_READLINE_LIBS,0)
1098 AC_SUBST(LibsReadline)
1100 if test "$HaveLibReadline"; then
1101 AC_CHECK_LIB(readline, rl_erase_empty_line,
1102 [AC_DEFINE(HAVE_READLINE_4, 1)],
1103 [AC_DEFINE(HAVE_READLINE_4, 0)])
1104 AC_CHECK_LIB(readline, rl_free_undo_list,
1105 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1106 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1108 AC_DEFINE(HAVE_READLINE_4, 0)
1109 AC_DEFINE(HAVE_READLINE_4_2, 0)
1112 dnl ** check for math library
1113 FPTOOLS_CHECK_LIBM()
1116 dnl ** check for X Window System
1119 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1120 if test $GhcLibsWithHOpenGL = YES ; then
1121 if test $UseQuartzOpenGL = YES ; then
1122 dnl Take a shortcut for Mac OS X native OpenGL:
1123 dnl It's in a non-standard location, but it's always there
1135 dnl ################################################################
1136 dnl Check for libraries
1137 dnl ################################################################
1139 dnl ** check for libdl & RTLD_NEXT
1141 dnl (Mac OS X only) ... but don't check if we already have the
1142 dnl HaskellSupport.framework
1144 if test $HaveFrameworkHaskellSupport = YES; then
1148 AC_DEFINE(HAVE_RTLDLOCAL)
1150 AC_DEFINE(HAVE_RTLDGLOBAL)
1152 AC_DEFINE(HAVE_RTLDNOW)
1154 AC_SUBST(HaveRtldNext)
1155 AC_SUBST(HaveRtldLocal)
1156 AC_SUBST(HaveRtldGlobal)
1157 AC_SUBST(HaveRtldNow)
1159 AC_CHECK_LIB(dl, dlopen,
1161 AC_DEFINE(HAVE_LIBDL)
1164 AC_CHECK_FUNCS(dlopen)
1167 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1168 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1177 AC_DEFINE(HAVE_RTLDNEXT)
1183 AC_SUBST(HaveRtldNext)
1185 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1186 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1195 AC_DEFINE(HAVE_RTLDLOCAL)
1201 AC_SUBST(HaveRtldLocal)
1203 dnl ** RTLD_GLOBAL isn't available on openbsd
1204 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1213 AC_DEFINE(HAVE_RTLDGLOBAL)
1219 AC_SUBST(HaveRtldGlobal)
1221 dnl ** RTLD_NOW isn't available on openbsd
1222 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1231 AC_DEFINE(HAVE_RTLDNOW)
1237 AC_SUBST(HaveRtldNow)
1240 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1242 dnl ---------- usleep ----------
1243 dnl --- stolen from guile configure ---
1244 dnl --- FIXME: /usr/include/unistd.h can't be right?
1246 ### On some systems usleep has no return value. If it does have one,
1247 ### we'd like to return it; otherwise, we'll fake it.
1248 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1249 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1250 /usr/include/unistd.h,
1251 [cv_func_usleep_return_type=void],
1252 [cv_func_usleep_return_type=int])])
1253 case "$cv_func_usleep_return_type" in
1255 AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1256 [Define if the system headers declare usleep to return void.])
1260 dnl --------------------------------------------------
1261 dnl * test for in_addr_t
1262 dnl --------------------------------------------------
1263 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1264 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1265 [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1268 dnl --------------------------------------------------
1269 dnl * test for Linux sendfile(2)
1270 dnl --------------------------------------------------
1271 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1272 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1273 [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1276 dnl --------------------------------------------------
1277 dnl * test for BSD sendfile(2)
1278 dnl --------------------------------------------------
1279 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1280 AC_EGREP_HEADER(sendfile, sys/socket.h,
1281 [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1284 dnl --------------------------------------------------
1286 dnl --------------------------------------------------
1288 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1289 if test "$GTK_CONFIG" != ""; then
1290 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1291 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1293 GTK_VERSION=$fptools_cv_gtk_version
1298 case $fptools_cv_gtk_version in
1300 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1305 AC_SUBST(GTK_CONFIG)
1306 AC_SUBST(GTK_VERSION)
1308 dnl --------------------------------------------------
1309 dnl * Miscellaneous feature tests
1310 dnl --------------------------------------------------
1312 dnl ** can we get alloca?
1315 dnl ** Working vfork?
1318 dnl ** determine whether or not const works
1321 dnl ** are we big endian?
1324 dnl ** check for leading underscores in symbol names
1327 dnl ** check for ld, and whether ld has -x option
1328 AC_PATH_PROG(LdCmdRaw, ld)
1330 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1332 *) LdCmd=${LdCmdRaw}
1338 AC_MSG_CHECKING([for SIGPOLL])
1339 AC_EGREP_CPP(we_have_sigpoll,
1340 [#include <signal.h>
1344 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1345 AC_MSG_RESULT([$haveSIGPOLL])
1347 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1348 AC_EGREP_CPP(we_have_that_sysconf_thing,
1351 #ifdef _SC_GETGR_R_SIZE_MAX
1352 we_have_that_sysconf_thing
1355 [AC_MSG_RESULT([yes])
1356 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1357 [AC_MSG_RESULT([no])])
1359 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1360 AC_EGREP_CPP(we_have_that_sysconf_thing,
1363 #ifdef _SC_GETPW_R_SIZE_MAX
1364 we_have_that_sysconf_thing
1367 [AC_MSG_RESULT([yes])
1368 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1369 [AC_MSG_RESULT([no])])
1371 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )