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 2.50 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 ** Find lex command (lex or flex) - *doesn't* use autoconf's
660 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
661 dnl exists if 'flex' doesn't.
664 dnl ** figure out how to do a BSD-ish install
667 dnl If you can run configure, you certainly have /bin/sh
668 AC_DEFINE(HAVE_BIN_SH)
670 dnl ** how to invoke `ar' and `ranlib'
671 FPTOOLS_PROG_AR_AND_RANLIB
673 dnl ** Check to see whether ln -s works
677 dnl ** Find the path to sed
678 AC_PATH_PROG(SedCmd,sed)
681 dnl ** check for time command
682 AC_PATH_PROG(TimeCmd,time)
685 dnl if GNU tar is named gtar, look for it first.
686 AC_PATH_PROGS(TarCmd,gtar tar,tar)
688 dnl ** check for gzip/compress
689 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
691 dnl ** check for jade/openjade & determine a working catalog
692 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
693 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
694 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
695 if test -z "$Catalog"; then
696 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
699 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
705 Catalog=`cygpath -w $hardtop/$Catalog`
707 *) Catalog=$hardtop/$Catalog
714 compress_nm=`basename $CompressCmd`
715 if test x"$compress_nm" = xgzip; then
716 CompressCmd="$CompressCmd -d"
721 AC_SUBST(CompressCmd)
722 AC_SUBST(CompressSuffix)
724 dnl ** check for ghc-pkg command
726 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
728 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
729 GhcPkgCmd=$ghc_pkg_guess
730 AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
732 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
735 AC_ARG_WITH(greencard,
736 [ --with-greencard=<greencard compiler>
737 Use a command different from 'green-card' to compile GreenCard files
740 GreencardCmd=$withval;
741 FPTOOLS_GREENCARD(3.00)
745 AC_ARG_ENABLE(src-tree-happy,
746 [ --enable-src-tree-happy
747 Build and use source tree (fptools/happy) version of Happy.
749 [UseSrcTreeHappy=YES],
752 dnl ** check for installed happy binary + version
753 dnl (don't do it if we're booting from .hc files though.)
754 if test "$BootingFromHc" = "NO"; then
758 AC_ARG_ENABLE(src-tree-haddock,
759 [ --enable-src-tree-haddock
760 Build and use source tree (fptools/haddock) version of Haddock.
762 [UseSrcTreeHaddock=YES],
763 [UseSrcTreeHaddock=NO]
765 dnl ** check for installed haddock
768 AC_ARG_ENABLE(src-tree-alex,
769 [ --enable-src-tree-alex
770 Build and use source tree (fptools/alex) version of Alex.
772 [UseSrcTreeAlex=YES],
775 dnl ** check for installed alex binary + version
776 dnl (don't do it if we're booting from .hc files though.)
777 if test "$BootingFromHc" = "NO"; then
781 dnl --------------------------------------------------
782 dnl ### program checking section ends here ###
783 dnl --------------------------------------------------
785 dnl --------------------------------------------------
786 dnl * Platform header file and syscall feature tests
787 dnl ### checking the state of the local header files and syscalls ###
789 dnl ** check for full ANSI header (.h) files
792 dnl ** Enable large file support. NB. do this before testing the type of
793 dnl off_t, because it will affect the result of that test.
796 dnl ** check for specific header (.h) files that we are interested in
797 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)
798 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
800 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
801 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
803 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
804 HaveReadlineHeaders=YES
805 AC_DEFINE(HAVE_READLINE_HEADERS,1)
807 HaveReadlineHeaders=NO
808 AC_DEFINE(HAVE_READLINE_HEADERS,0)
810 AC_SUBST(HaveReadlineHeaders)
812 dnl ** check for DOS include files
813 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
815 dnl ** check for Windows include files
816 AC_CHECK_HEADERS(windows.h)
818 dnl ** check for OpenGL include files
819 if test $UseQuartzOpenGL = YES ; then
820 AC_CHECK_HEADERS(OpenGL/gl.h)
822 AC_CHECK_HEADERS(GL/gl.h)
825 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
828 dnl dynamic loading include files
829 AC_CHECK_HEADERS(dlfcn.h dl.h)
831 dnl ** check for farcalloc (in bcc)
832 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
834 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
835 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
837 dnl ** check for POSIX regex
839 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
840 AC_SUBST(HavePosixRegex)
842 dnl ** how do we get a timezone name, and UTC offset ?
845 dnl ** do we have altzone?
848 dnl ** does struct stat contain st_blksize?
851 dnl ** do we have long longs?
854 dnl ** check what fields struct msghdr contains
855 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
856 FPTOOLS_MSGHDR_MSG_CONTROL
858 dnl ** what are the sizes of various types
859 dnl (these must come before GHC_CHECK_ALIGNMENT)
860 AC_CHECK_SIZEOF(char, 1)
861 AC_CHECK_SIZEOF(double, 8)
862 AC_CHECK_SIZEOF(float, 4)
863 AC_CHECK_SIZEOF(int, 4)
864 AC_CHECK_SIZEOF(long, 4)
865 if test "$fptools_cv_have_long_long" = yes; then
866 AC_CHECK_SIZEOF(long long, 8)
868 AC_CHECK_SIZEOF(short, 2)
869 AC_CHECK_SIZEOF(unsigned char, 1)
870 AC_CHECK_SIZEOF(unsigned int, 4)
871 AC_CHECK_SIZEOF(unsigned long, 4)
872 if test "$fptools_cv_have_long_long" = yes; then
873 AC_CHECK_SIZEOF(unsigned long long, 8)
875 AC_CHECK_SIZEOF(unsigned short, 2)
876 AC_CHECK_SIZEOF(void *, 4)
878 dnl ** what are alignment constraints on various types
879 FPTOOLS_CHECK_ALIGNMENT(char)
880 FPTOOLS_CHECK_ALIGNMENT(double)
881 FPTOOLS_CHECK_ALIGNMENT(float)
882 FPTOOLS_CHECK_ALIGNMENT(int)
883 FPTOOLS_CHECK_ALIGNMENT(long)
884 if test "$fptools_cv_have_long_long" = yes; then
885 FPTOOLS_CHECK_ALIGNMENT(long long)
887 FPTOOLS_CHECK_ALIGNMENT(short)
888 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
889 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
890 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
891 if test "$fptools_cv_have_long_long" = yes; then
892 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
894 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
895 FPTOOLS_CHECK_ALIGNMENT(void *)
897 dnl ** map standard C types and ISO types to Haskell types
898 FPTOOLS_CHECK_HTYPE(char)
899 FPTOOLS_CHECK_HTYPE(signed char)
900 FPTOOLS_CHECK_HTYPE(unsigned char)
901 FPTOOLS_CHECK_HTYPE(short)
902 FPTOOLS_CHECK_HTYPE(unsigned short)
903 FPTOOLS_CHECK_HTYPE(int)
904 FPTOOLS_CHECK_HTYPE(unsigned int)
905 FPTOOLS_CHECK_HTYPE(long)
906 FPTOOLS_CHECK_HTYPE(unsigned long)
907 if test "$fptools_cv_have_long_long" = yes; then
908 FPTOOLS_CHECK_HTYPE(long long)
909 FPTOOLS_CHECK_HTYPE(unsigned long long)
911 FPTOOLS_CHECK_HTYPE(float)
912 FPTOOLS_CHECK_HTYPE(double)
913 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
914 FPTOOLS_CHECK_HTYPE(size_t)
915 FPTOOLS_CHECK_HTYPE(wchar_t)
916 dnl Int32 is a HACK for non-ISO C compilers
917 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
918 FPTOOLS_CHECK_HTYPE(clock_t)
919 FPTOOLS_CHECK_HTYPE(time_t)
920 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
921 FPTOOLS_CHECK_HTYPE(ino_t)
922 FPTOOLS_CHECK_HTYPE(mode_t)
923 FPTOOLS_CHECK_HTYPE(off_t)
924 FPTOOLS_CHECK_HTYPE(pid_t)
925 FPTOOLS_CHECK_HTYPE(gid_t)
926 FPTOOLS_CHECK_HTYPE(uid_t)
927 FPTOOLS_CHECK_HTYPE(cc_t)
928 FPTOOLS_CHECK_HTYPE(speed_t)
929 FPTOOLS_CHECK_HTYPE(tcflag_t)
930 FPTOOLS_CHECK_HTYPE(blkcnt_t)
931 FPTOOLS_CHECK_HTYPE(nlink_t)
932 FPTOOLS_CHECK_HTYPE(ssize_t)
933 FPTOOLS_CHECK_HTYPE(rlim_t)
935 dnl ** Map OpenGL data types to Haskell types
936 if test $GhcLibsWithHOpenGL = YES ; then
937 FPTOOLS_CHECK_HTYPE(GLboolean)
938 FPTOOLS_CHECK_HTYPE(GLbyte)
939 FPTOOLS_CHECK_HTYPE(GLubyte)
940 FPTOOLS_CHECK_HTYPE(GLshort)
941 FPTOOLS_CHECK_HTYPE(GLushort)
942 FPTOOLS_CHECK_HTYPE(GLint)
943 FPTOOLS_CHECK_HTYPE(GLuint)
944 FPTOOLS_CHECK_HTYPE(GLsizei)
945 FPTOOLS_CHECK_HTYPE(GLenum)
946 FPTOOLS_CHECK_HTYPE(GLbitfield)
947 FPTOOLS_CHECK_HTYPE(GLfloat)
948 FPTOOLS_CHECK_HTYPE(GLclampf)
949 FPTOOLS_CHECK_HTYPE(GLdouble)
950 FPTOOLS_CHECK_HTYPE(GLclampd)
953 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
955 dnl ** can we open files in binary mode?
958 dnl ** check for GetModuleFileName and WinExec (windows only)
959 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
960 dnl Doesn't work because the linker can't see the functions if
961 dnl you omit the #include <windows.h>. (I've no idea why not...)
963 FPTOOLS_TRY_LINK_NOWARN(,[
974 if test "$have_winexec" = "1"; then
975 AC_DEFINE(HAVE_WINEXEC)
978 FPTOOLS_TRY_LINK_NOWARN(,[
984 GetModuleFileName((HMODULE)0,dir,0);
988 [have_getmodulefilename=1],
989 [have_getmodulefilename=0])
990 if test "$have_getmodulefilename" = "1"; then
991 AC_DEFINE(HAVE_GETMODULEFILENAME)
994 dnl ** check return type of signal handlers
995 dnl Foo: assumes we can use prototypes.
996 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
997 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
998 dnl [AC_TRY_COMPILE([#include <sys/types.h>
999 dnl #include <signal.h>
1003 dnl void (*signal (int, void (*)(int)))(int);
1006 dnl ac_cv_type_signal_handler=void_int,
1007 dnl ac_cv_type_signal_handler=int_void)])
1008 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1009 dnl AC_DEFINE(VOID_INT_SIGNALS)
1012 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1014 if test "$ac_cv_type_signal" = void; then
1015 AC_DEFINE(VOID_INT_SIGNALS)
1018 dnl ** check for more functions
1019 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1020 AC_CHECK_FUNCS(strcmp)
1021 AC_CHECK_FUNCS(realpath _fullpath)
1022 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1023 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1024 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1025 AC_CHECK_FUNCS(snprintf _snprintf )
1026 AC_CHECK_FUNCS(popen _popen )
1027 AC_CHECK_FUNCS(pclose _pclose )
1028 AC_CHECK_FUNCS(setenv unsetenv)
1031 dnl ** check for specific library functions that we are interested in
1032 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1034 dnl ** Solaris2 needs additionl flag for getpw*_r()
1035 case "$TargetPlatform" in
1037 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1038 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1042 dnl ** check whether this machine has gmp3 installed
1043 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1044 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1045 HaveLibGmp=NO; LibGmp=not-installed))
1046 AC_SUBST(HaveLibGmp)
1049 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1050 HaveFrameworkHaskellSupport=NO
1051 if test $HostPlatform = "powerpc-apple-darwin"; then
1052 AC_MSG_CHECKING([for HaskellSupport.framework])
1054 LIBS="-framework HaskellSupport"
1055 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1056 if test $HaveFrameworkHaskellSupport = YES; then
1057 AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1060 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1062 AC_SUBST(HaveFrameworkHaskellSupport)
1064 dnl ** check for mingwex library
1065 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1066 AC_SUBST(HaveLibMingwEx)
1068 if test $HaveLibMingwEx = YES ; then
1069 AC_DEFINE(HAVE_MINGWEX)
1072 if test "$HaveLibGmp" = "NO"; then
1073 if test "$HostArch_CPP" = "ia64"; then
1074 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1078 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1079 dnl the order of these tests matters: bfd needs liberty
1080 AC_CHECK_LIB(iberty, xmalloc)
1081 AC_CHECK_LIB(bfd, bfd_init)
1083 dnl ** check for readline, for Hugs and hslibs' Readline
1084 dnl ncurses supersedes termcap and curses, but for compatibility,
1085 dnl we have to check for all...
1086 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1087 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1088 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1089 HaveLibTermcap=NO; LibTermcap=not-installed)))
1091 if test $HaveLibTermcap = YES ; then
1092 LIBS="-l$LibTermcap $LIBS"
1093 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1096 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1097 AC_DEFINE(HAVE_READLINE_LIBS,1)
1098 LibsReadline="readline $LibTermcap"
1100 AC_DEFINE(HAVE_READLINE_LIBS,0)
1103 AC_SUBST(LibsReadline)
1105 if test "$HaveLibReadline"; then
1106 AC_CHECK_LIB(readline, rl_erase_empty_line,
1107 [AC_DEFINE(HAVE_READLINE_4, 1)],
1108 [AC_DEFINE(HAVE_READLINE_4, 0)])
1109 AC_CHECK_LIB(readline, rl_free_undo_list,
1110 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1111 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1113 AC_DEFINE(HAVE_READLINE_4, 0)
1114 AC_DEFINE(HAVE_READLINE_4_2, 0)
1117 dnl ** check for math library
1118 FPTOOLS_CHECK_LIBM()
1121 dnl ** check for X Window System
1124 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1125 if test $GhcLibsWithHOpenGL = YES ; then
1126 if test $UseQuartzOpenGL = YES ; then
1127 dnl Take a shortcut for Mac OS X native OpenGL:
1128 dnl It's in a non-standard location, but it's always there
1140 dnl ################################################################
1141 dnl Check for libraries
1142 dnl ################################################################
1144 dnl ** check for libdl & RTLD_NEXT
1146 dnl (Mac OS X only) ... but don't check if we already have the
1147 dnl HaskellSupport.framework
1149 if test $HaveFrameworkHaskellSupport = YES; then
1153 AC_DEFINE(HAVE_RTLDLOCAL)
1155 AC_DEFINE(HAVE_RTLDGLOBAL)
1157 AC_DEFINE(HAVE_RTLDNOW)
1159 AC_SUBST(HaveRtldNext)
1160 AC_SUBST(HaveRtldLocal)
1161 AC_SUBST(HaveRtldGlobal)
1162 AC_SUBST(HaveRtldNow)
1164 AC_CHECK_LIB(dl, dlopen,
1166 AC_DEFINE(HAVE_LIBDL)
1169 AC_CHECK_FUNCS(dlopen)
1172 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1173 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1182 AC_DEFINE(HAVE_RTLDNEXT)
1188 AC_SUBST(HaveRtldNext)
1190 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1191 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1200 AC_DEFINE(HAVE_RTLDLOCAL)
1206 AC_SUBST(HaveRtldLocal)
1208 dnl ** RTLD_GLOBAL isn't available on openbsd
1209 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1218 AC_DEFINE(HAVE_RTLDGLOBAL)
1224 AC_SUBST(HaveRtldGlobal)
1226 dnl ** RTLD_NOW isn't available on openbsd
1227 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1236 AC_DEFINE(HAVE_RTLDNOW)
1242 AC_SUBST(HaveRtldNow)
1245 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1247 dnl ---------- usleep ----------
1248 dnl --- stolen from guile configure ---
1249 dnl --- FIXME: /usr/include/unistd.h can't be right?
1251 ### On some systems usleep has no return value. If it does have one,
1252 ### we'd like to return it; otherwise, we'll fake it.
1253 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1254 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1255 /usr/include/unistd.h,
1256 [cv_func_usleep_return_type=void],
1257 [cv_func_usleep_return_type=int])])
1258 case "$cv_func_usleep_return_type" in
1260 AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1261 [Define if the system headers declare usleep to return void.])
1265 dnl --------------------------------------------------
1266 dnl * test for in_addr_t
1267 dnl --------------------------------------------------
1268 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1269 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1270 [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1273 dnl --------------------------------------------------
1274 dnl * test for Linux sendfile(2)
1275 dnl --------------------------------------------------
1276 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1277 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1278 [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1281 dnl --------------------------------------------------
1282 dnl * test for BSD sendfile(2)
1283 dnl --------------------------------------------------
1284 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1285 AC_EGREP_HEADER(sendfile, sys/socket.h,
1286 [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1289 dnl --------------------------------------------------
1291 dnl --------------------------------------------------
1293 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1294 if test "$GTK_CONFIG" != ""; then
1295 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1296 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1298 GTK_VERSION=$fptools_cv_gtk_version
1303 case $fptools_cv_gtk_version in
1305 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1310 AC_SUBST(GTK_CONFIG)
1311 AC_SUBST(GTK_VERSION)
1313 dnl --------------------------------------------------
1314 dnl * Miscellaneous feature tests
1315 dnl --------------------------------------------------
1317 dnl ** can we get alloca?
1320 dnl ** Working vfork?
1323 dnl ** determine whether or not const works
1326 dnl ** determine whether ANSI-function prototypes work?
1329 dnl ** are we big endian?
1332 dnl ** check for leading underscores in symbol names
1335 dnl ** check for ld, and whether ld has -x option
1336 AC_PATH_PROG(LdCmdRaw, ld)
1338 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1340 *) LdCmd=${LdCmdRaw}
1346 AC_MSG_CHECKING([for SIGPOLL])
1347 AC_EGREP_CPP(we_have_sigpoll,
1348 [#include <signal.h>
1352 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1353 AC_MSG_RESULT([$haveSIGPOLL])
1355 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1356 AC_EGREP_CPP(we_have_that_sysconf_thing,
1359 #ifdef _SC_GETGR_R_SIZE_MAX
1360 we_have_that_sysconf_thing
1363 [AC_MSG_RESULT([yes])
1364 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1365 [AC_MSG_RESULT([no])])
1367 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1368 AC_EGREP_CPP(we_have_that_sysconf_thing,
1371 #ifdef _SC_GETPW_R_SIZE_MAX
1372 we_have_that_sysconf_thing
1375 [AC_MSG_RESULT([yes])
1376 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1377 [AC_MSG_RESULT([no])])
1379 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )