1 dnl == autoconf source for the Glasgow FP tools ==
2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/ +/g;'"
3 dnl (or some such) to see the outline of this file)
6 # (c) The AQUA Project, Glasgow University, 1994-1998
8 # Configure script template for the Glasgow functional programming tools
10 # Process with 'autoconf' to get a working configure script.
12 # For the generated configure script, do "./configure --help" to
13 # see what flags are available. (Better yet, read the documentation!)
16 # First off, a distrib sanity check..
17 AC_INIT(mk/config.mk.in)
19 dnl * We require autoconf version 2.52
20 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
21 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
24 dnl * Declare subdirectories that have a private configure script
26 dnl After the toplevel configuration is complete, the script will recurse into
27 dnl these subdirectories if they exist. The use of a cache file makes repeated
29 AC_CONFIG_SUBDIRS([ghc libraries])
31 # -------------------------------------------------------------------------
32 # Prepare to generate the following header files
35 AC_CONFIG_HEADER(mk/config.h)
37 # No, semi-sadly, we don't do `--srcdir'...
38 if test x"$srcdir" != 'x.' ; then
39 echo "This configuration does not support the \`--srcdir' option.."
43 dnl--------------------------------------------------------------------
44 dnl * Choose host(/target/build) platform
45 dnl--------------------------------------------------------------------
47 dnl Guess host/target/build platform(s) if necessary.
50 # "$host" defaults to "$target"
51 if test "x$host" = xNONE ; then
55 dnl ** canonicalize platform names
56 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
57 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
58 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
61 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
67 # The following will be more difficult when we *are* cross-compiling.
68 # Suitable names to slam in *_CPP are in platform.h.in.
69 # We also record the architecture, vendor, and operating system (OS)
72 alpha*-dec-osf[[12]]*)
73 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
74 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
75 BuildPlatform=alpha-dec-osf1 # hack
76 HostPlatform_CPP='alpha_dec_osf1'
81 alpha*-dec-osf[[345]]*)
82 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
83 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
84 BuildPlatform=alpha-dec-osf3 # hack
85 HostPlatform_CPP='alpha_dec_osf3'
90 alpha*-unknown-linux*)
91 HostPlatform=alpha-unknown-linux
92 TargetPlatform=alpha-unknown-linux
93 BuildPlatform=alpha-unknown-linux
94 HostPlatform_CPP='alpha_unknown_linux'
96 HostVendor_CPP='unknown'
99 alpha*-unknown-freebsd*)
100 HostPlatform=alpha-unknown-freebsd
101 TargetPlatform=alpha-unknown-freebsd
102 BuildPlatform=alpha-unknown-freebsd
103 HostPlatform_CPP='alpha_unknown_freebsd'
105 HostVendor_CPP='unknown'
109 HostPlatform=arm-unknown-linux # hack again
110 TargetPlatform=arm-unknown-linux
111 BuildPlatform=arm-unknown-linux
112 HostPlatform_CPP='arm_unknown_linux'
114 HostVendor_CPP='unknown'
118 HostPlatform=hppa-unknown-linux # hack again
119 TargetPlatform=hppa-unknown-linux
120 BuildPlatform=hppa-unknown-linux
121 HostPlatform_CPP='hppa_unknown_linux'
123 HostVendor_CPP='unknown'
127 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
128 TargetPlatform=hppa1.1-hp-hpux
129 BuildPlatform=hppa1.1-hp-hpux
130 HostPlatform_CPP='hppa1_1_hp_hpux'
131 HostArch_CPP='hppa1_1'
135 i[[3456]]86-*-linuxaout*)
136 HostPlatform=i386-unknown-linuxaout # hack again
137 TargetPlatform=i386-unknown-linuxaout
138 BuildPlatform=i386-unknown-linuxaout
139 HostPlatform_CPP='i386_unknown_linuxaout'
141 HostVendor_CPP='unknown'
142 HostOS_CPP='linuxaout'
144 i[[3456]]86-*-linux*)
145 HostPlatform=i386-unknown-linux # hack again
146 TargetPlatform=i386-unknown-linux
147 BuildPlatform=i386-unknown-linux
148 HostPlatform_CPP='i386_unknown_linux'
150 HostVendor_CPP='unknown'
153 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
154 HostPlatform=i386-unknown-freebsd # hack again
155 TargetPlatform=i386-unknown-freebsd
156 BuildPlatform=i386-unknown-freebsd
157 HostPlatform_CPP='i386_unknown_freebsd'
159 HostVendor_CPP='unknown'
162 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
163 HostPlatform=i386-unknown-freebsd2 # hack again
164 TargetPlatform=i386-unknown-freebsd2
165 BuildPlatform=i386-unknown-freebsd2
166 HostPlatform_CPP='i386_unknown_freebsd2'
168 HostVendor_CPP='unknown'
169 HostOS_CPP='freebsd2'
171 i[[3456]]86-*-netbsd*)
172 HostPlatform=i386-unknown-netbsd # hack again
173 TargetPlatform=i386-unknown-netbsd
174 BuildPlatform=i386-unknown-netbsd
175 HostPlatform_CPP='i386_unknown_netbsd'
177 HostVendor_CPP='unknown'
180 i[[3456]]86-*-openbsd*)
181 HostPlatform=i386-unknown-openbsd # hack again
182 TargetPlatform=i386-unknown-openbsd
183 BuildPlatform=i386-unknown-openbsd
184 HostPlatform_CPP='i386_unknown_openbsd'
186 HostVendor_CPP='unknown'
189 i[[3456]]86-*-solaris2*)
190 HostPlatform=i386-unknown-solaris2 # hack again
191 TargetPlatform=i386-unknown-solaris2
192 BuildPlatform=i386-unknown-solaris2
193 HostPlatform_CPP='i386_unknown_solaris2'
195 HostVendor_CPP='unknown'
196 HostOS_CPP='solaris2'
198 i[[3456]]86-*-cygwin*)
199 HostPlatform=i386-unknown-cygwin32 # hack again
200 TargetPlatform=i386-unknown-cygwin32
201 BuildPlatform=i386-unknown-cygwin32
202 HostPlatform_CPP='i386_unknown_cygwin32'
204 HostVendor_CPP='unknown'
205 HostOS_CPP='cygwin32'
208 i[[3456]]86-*-mingw32*)
209 HostPlatform=i386-unknown-mingw32 # hack again
210 TargetPlatform=i386-unknown-mingw32
211 BuildPlatform=i386-unknown-mingw32
212 HostPlatform_CPP='i386_unknown_mingw32'
214 HostVendor_CPP='unknown'
219 HostPlatform=ia64-unknown-linux # hack again
220 TargetPlatform=ia64-unknown-linux
221 BuildPlatform=ia64-unknown-linux
222 HostPlatform_CPP='ia64_unknown_linux'
224 HostVendor_CPP='unknown'
228 HostPlatform=x86_64-unknown-linux
229 TargetPlatform=x86_64-unknown-linux
230 BuildPlatform=x86_64-unknown-linux
231 HostPlatform_CPP='x86_64_unknown_linux'
232 HostArch_CPP='x86_64'
233 HostVendor_CPP='unknown'
237 HostPlatform=m68k-unknown-linux # hack again
238 TargetPlatform=m68k-unknown-linux
239 BuildPlatform=m68k-unknown-linux
240 HostPlatform_CPP='m68k_unknown_linux'
242 HostVendor_CPP='unknown'
246 HostPlatform_CPP='m68k_next_nextstep2'
248 HostVendor_CPP='next'
249 HostOS_CPP='nextstep2'
252 HostPlatform_CPP='m68k_next_nextstep3'
254 HostVendor_CPP='next'
255 HostOS_CPP='nextstep3'
257 i[[3456]]86-next-nextstep3)
258 HostPlatform=i386-next-nextstep3 # hack again
259 TargetPlatform=i386-next-nextstep3
260 BuildPlatform=i386-next-nextstep3
261 HostPlatform_CPP='i386_next_nextstep3'
263 HostVendor_CPP='next'
264 HostOS_CPP='nextstep3'
267 HostPlatform=m68k-unknown-openbsd
268 TargetPlatform=m68k-unknown-openbsd
269 BuildPlatform=m68k-unknown-openbsd
270 HostPlatform_CPP='m68k_unknown_openbsd'
272 HostVendor_CPP='unknown'
276 HostPlatform=m68k-unknown-netbsd
277 TargetPlatform=m68k-unknown-netbsd
278 BuildPlatform=m68k-unknown-netbsd
279 HostPlatform_CPP='m68k_unknown_netbsd'
281 HostVendor_CPP='unknown'
285 HostPlatform=m68k-sun-sunos4
286 TargetPlatform=m68k-sun-sunos4 #hack
287 BuildPlatform=m68k-sun-sunos4 #hack
288 HostPlatform_CPP='m68k_sun_sunos4'
294 HostPlatform=mips-unknown-linux # hack again
295 TargetPlatform=mips-unknown-linux
296 BuildPlatform=mips-unknown-linux
297 HostPlatform_CPP='mips_unknown_linux'
299 HostVendor_CPP='unknown'
303 HostPlatform_CPP='mips_dec_ultrix'
304 HostArch_CPP='mipsel' # NB a little different
309 HostPlatform=mips-sgi-irix
310 TargetPlatform=mips-sgi-irix #hack
311 BuildPlatform=mips-sgi-irix #hack
312 HostPlatform_CPP='mips_sgi_irix'
313 HostArch_CPP='mipseb' # NB a little different
318 HostPlatform=rs6000-ibm-aix
319 TargetPlatform=rs6000-ibm-aix #hack
320 BuildPlatform=rs6000-ibm-aix #hack
321 HostPlatform_CPP='rs6000_ibm_aix'
322 HostArch_CPP='rs6000'
327 HostPlatform=powerpc-ibm-aix
328 TargetPlatform=powerpc-ibm-aix #hack
329 BuildPlatform=powerpc-ibm-aix #hack
330 HostPlatform_CPP='powerpc_ibm_aix'
331 HostArch_CPP='powerpc'
335 powerpc-apple-darwin*)
336 HostPlatform=powerpc-apple-darwin
337 TargetPlatform=powerpc-apple-darwin #hack
338 BuildPlatform=powerpc-apple-darwin #hack
339 HostPlatform_CPP='powerpc_apple_darwin'
340 HostArch_CPP='powerpc'
341 HostVendor_CPP='apple'
344 powerpc-unknown-linux*)
345 HostPlatform=powerpc-unknown-linux
346 TargetPlatform=powerpc-unknown-linux
347 BuildPlatform=powerpc-unknown-linux
348 HostPlatform_CPP='powerpc_unknown_linux'
349 HostArch_CPP='powerpc'
350 HostVendor_CPP='unknown'
354 HostPlatform=s390-ibm-linux
355 TargetPlatform=s390-ibm-linux #hack
356 BuildPlatform=s390-ibm-linux #hack
357 HostPlatform_CPP='s390_ibm_linux'
363 HostPlatform=sparc-sun-sunos4
364 TargetPlatform=sparc-sun-sunos4 #hack
365 BuildPlatform=sparc-sun-sunos4 #hack
366 HostPlatform_CPP='sparc_sun_sunos4'
372 HostPlatform=sparc-sun-solaris2
373 TargetPlatform=sparc-sun-solaris2 #hack
374 BuildPlatform=sparc-sun-solaris2 #hack
375 HostPlatform_CPP='sparc_sun_solaris2'
378 HostOS_CPP='solaris2'
381 HostPlatform=sparc-unknown-linux
382 TargetPlatform=sparc-unknown-linux
383 BuildPlatform=sparc-unknown-linux
384 HostPlatform_CPP='sparc_unknown_linux'
386 HostVendor_CPP='unknown'
390 HostPlatform=sparc-unknown-openbsd
391 TargetPlatform=sparc-unknown-openbsd
392 BuildPlatform=sparc-unknown-openbsd
393 HostPlatform_CPP='sparc_unknown_openbsd'
395 HostVendor_CPP='unknown'
399 echo "Unrecognised platform: $HostPlatform"
403 echo "Canonicalised to: $HostPlatform"
404 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
405 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
407 BuildPlatform_CPP=$HostPlatform_CPP
408 TargetPlatform_CPP=$HostPlatform_CPP
409 BuildArch_CPP=$HostArch_CPP
410 TargetArch_CPP=$HostArch_CPP
411 BuildOS_CPP=$HostOS_CPP
413 TargetOS_CPP=$HostOS_CPP
414 BuildVendor_CPP=$HostVendor_CPP
415 TargetVendor_CPP=$HostVendor_CPP
417 AC_SUBST(BuildPlatform)
418 AC_SUBST(HostPlatform)
419 AC_SUBST(TargetPlatform)
420 AC_SUBST(HostPlatform_CPP)
421 AC_SUBST(BuildPlatform_CPP)
422 AC_SUBST(TargetPlatform_CPP)
424 AC_SUBST(HostArch_CPP)
425 AC_SUBST(BuildArch_CPP)
426 AC_SUBST(TargetArch_CPP)
429 AC_SUBST(HostOS_Full)
430 AC_SUBST(BuildOS_CPP)
431 AC_SUBST(TargetOS_CPP)
433 AC_SUBST(HostVendor_CPP)
434 AC_SUBST(BuildVendor_CPP)
435 AC_SUBST(TargetVendor_CPP)
439 dnl --------------------------------------------------------------
440 dnl * Calculate absolute path to build tree
441 dnl --------------------------------------------------------------
443 AC_MSG_CHECKING(for path to top of build tree)
447 dnl Remove common automounter nonsense
449 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
451 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).
453 case $HostPlatform in
454 i386-unknown-mingw32 | i386-unknown-cygwin32)
455 # convert $hardtop to a path that mingw will understand too
456 cyghardtop=${hardtop}
457 hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
458 hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
461 hardtop_plat=${hardtop}
465 AC_SUBST(hardtop_plat)
467 AC_MSG_RESULT(${hardtop})
469 dnl --------------------------------------------------------------
470 dnl * Project specific configuration options
471 dnl --------------------------------------------------------------
472 dnl What follows is a bunch of options that can either be configured
473 dnl through command line options to the configure script or by
474 dnl supplying defns in the build tree's mk/build.mk. Having the option to
475 dnl use either is considered a Feature.
477 dnl ** What command to use to compile compiler sources ?
478 dnl --------------------------------------------------------------
481 [ --with-ghc=<haskell compiler>
482 Use a command different from 'ghc' to compile GHC-specific Haskell code
483 (including GHC itself).
485 [ WithGhc="$withval" ],
487 if test "$GHC" = ""; then
488 AC_PATH_PROG(GHC,ghc)
496 [ --with-hc=<haskell compiler>
497 Use a command different from 'ghc' to compile generic Haskell code.
504 if test "$WithGhc" != ""; then
505 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
506 AC_SUBST(GhcVersion)dnl
507 AC_SUBST(GhcMajVersion)dnl
508 AC_SUBST(GhcMinVersion)dnl
509 AC_SUBST(GhcPatchLevel)dnl
512 AC_PATH_PROGS(NHC,nhc nhc98)
513 AC_PATH_PROG(HBC,hbc)
515 dnl ** Which gcc to use?
516 dnl --------------------------------------------------------------
518 [ --with-gcc=<gcc command>
519 Use a different command instead of 'gcc' for the GNU C compiler.
521 [WhatGccIsCalled="$withval"
522 if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
523 # Canonicalise to <drive>:/path/to/gcc
524 withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
527 [WhatGccIsCalled="gcc"]
529 AC_SUBST(WhatGccIsCalled)
531 dnl ** Booting from .hc files?
532 dnl --------------------------------------------------------------
533 AC_ARG_ENABLE(hc-boot,
535 Boot the Glasgow Haskell Compiler from intermediate .hc files.
536 (This option is mostly of interest to porters.)
541 AC_SUBST(BootingFromHc)
543 dnl ** Booting from unregisterised .hc files?
544 dnl --------------------------------------------------------------
545 AC_ARG_ENABLE(hc-boot-unregisterised,
546 [ --enable-hc-boot-unregisterised
547 With --enable-hc-boot, treat the intermediate .hc files as
548 unregisterised rather than registerised code.
549 (This option is mostly of interest to porters.)
551 [BootingFromUnregisterisedHc=YES],
552 [BootingFromUnregisterisedHc=NO]
554 AC_SUBST(BootingFromUnregisterisedHc)
556 if test "$BootingFromHc" = "NO"; then
557 if test "$BootingFromUnregisterisedHc" = "YES"; then
558 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
562 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
563 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
564 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
567 dnl ** Enable multi-thread friendly RTS?
568 dnl --------------------------------------------------------------
569 AC_ARG_ENABLE(threaded-rts,
570 [ --enable-threaded-rts
571 Support better interop with OS threads.
576 AC_SUBST(ThreadedRts)
578 dnl ** Enable the construction of Win32 DLLs?
579 dnl --------------------------------------------------------------
581 dnl [ The ability to build the RTS and libraries as separate DLLs used
582 dnl to be supported, but isn't currently (updates to the RTS, compiler
583 dnl and build system would be required to bring it back again.)
584 dnl Hence, exposing it as an option is false advertisement, so better
585 dnl disable it to avoid confusion (but leave it commented-out rather
586 dnl than removed in order to remind ourselves to bring back the
587 dnl feature at some stage.) ]
589 dnl AC_ARG_ENABLE(win32-dlls,
590 dnl [ --enable-win32-dlls
591 dnl If on a Win32 platform running mingw32/cygwin, enable the
592 dnl construction of DLLs containing ghc-compiled code.
595 dnl case $HostOS_CPP in
598 dnl *) echo "Unrecognised win32 platform: $HostPlatform"
602 dnl EnableWin32DLLs=YES
604 dnl [EnableWin32DLLs=NO]
606 dnl AC_SUBST(EnableWin32DLLs)
607 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
608 dnl AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
611 dnl ** Enable the building of the ObjectIO?
612 dnl --------------------------------------------------------------
613 AC_ARG_ENABLE(objectio,
615 Build ObjectIO, a portable GUI library for Haskell.
617 [GhcLibsWithObjectIO=YES],
618 [GhcLibsWithObjectIO=NO]
620 AC_SUBST(GhcLibsWithObjectIO)
622 dnl ** Enable the building of the OpenGL/GLUT binding?
623 dnl --------------------------------------------------------------
624 AC_ARG_ENABLE(hopengl,
626 Build HOpenGL, a Haskell binding for OpenGL/GLUT.
627 On Mac OS X, use --enable-hopengl=x11 to use X11 instead
628 of the "native" libraries.
630 [GhcLibsWithOpenGL=YES; GhcLibsWithGLUT=YES],
631 [GhcLibsWithOpenGL=NO; GhcLibsWithGLUT=NO]
634 if test x"$TargetOS_CPP" = x"darwin"; then
635 if test x"$enable_hopengl" != x"x11"; then
636 AC_DEFINE([USE_QUARTZ_OPENGL], [1],
637 [Define to 1 if native OpenGL should be used on Mac OS X])
642 AC_SUBST([GhcLibsWithOpenGL])
643 AC_SUBST([GhcLibsWithGLUT])
645 dnl ** Enable the building of the OpenAL binding?
646 dnl --------------------------------------------------------------
647 AC_ARG_ENABLE([openal],
648 AC_HELP_STRING([--enable-openal],
649 [Build OpenAL binding [[default=autodetect]]]),
650 [GhcLibsWithOpenAL=$enableval],
651 [GhcLibsWithOpenAL=yes])
653 # This is silly! Alas, "YES" and "NO" are currently our standard...
654 GhcLibsWithOpenAL=`echo $GhcLibsWithOpenGL | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
656 AC_SUBST([GhcLibsWithOpenAL])
658 dnl ** .NET interop support?
659 dnl --------------------------------------------------------------
660 AC_ARG_ENABLE(dotnet,
662 Build .NET interop layer.
664 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
667 AC_SUBST(DotnetSupport)
669 dnl --------------------------------------------------------------
670 dnl End of configure script option section
671 dnl --------------------------------------------------------------
674 dnl --------------------------------------------------------------
675 dnl * General configuration checks
676 dnl --------------------------------------------------------------
678 dnl ** Can the unix package be built?
679 dnl --------------------------------------------------------------
681 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
686 AC_SUBST([GhcLibsWithUnix])
691 dnl ** look for `perl', but only in /bin on Windows
694 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
695 if test -z "$PerlCmd"; then
696 echo "You must install the version of Perl shipped with GHC"
697 echo "(or a compatible one) in /bin."
702 AC_PATH_PROG(PerlCmd,perl)
703 if test -z "$PerlCmd"; then
704 echo "You must install perl before you can continue"
705 echo "Perhaps it is already installed, but not in your PATH?"
708 FPTOOLS_CHECK_PERL_VERSION
713 dnl ** does #! path/to/perl work? (sometimes it's too long...)
716 dnl ** check for Python
717 AC_PATH_PROG(PythonCmd,python)
719 dnl ** look for GCC and find out which version
720 dnl Figure out which C compiler to use. Gcc is preferred.
721 dnl If gcc, make sure it's at least 2.1
725 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
727 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
730 dnl ** Without optimization some INLINE trickery fails for GHCi
733 dnl ** Try to add -mno-cygwin to the C compiler options
734 FP_CHECK_FLAG([-mno-cygwin], [
735 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
736 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
737 AC_SUBST(SRC_CC_OPTS)
739 dnl ** figure out how to do context diffs
742 dnl ** Find find command (for Win32's benefit)
745 dnl ** figure out how to do a BSD-ish install
748 dnl If you can run configure, you certainly have /bin/sh
749 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
751 dnl ** how to invoke `ar' and `ranlib'
752 FPTOOLS_PROG_AR_AND_RANLIB
754 dnl ** Check to see whether ln -s works
758 dnl ** Find the path to sed
759 AC_PATH_PROG(SedCmd,sed)
762 dnl ** check for time command
763 AC_PATH_PROG(TimeCmd,time)
766 dnl if GNU tar is named gtar, look for it first.
767 AC_PATH_PROGS(TarCmd,gtar tar,tar)
769 dnl ** check for jade/openjade & determine a working catalog
770 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
771 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
772 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
773 if test -z "$Catalog"; then
774 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
777 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
783 Catalog=`cygpath -w $hardtop/$Catalog`
785 *) Catalog=$hardtop/$Catalog
793 dnl ** check for ghc-pkg command
795 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
797 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
798 GhcPkgCmd=$ghc_pkg_guess
799 AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
801 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
804 AC_ARG_WITH(greencard,
805 [ --with-greencard=<greencard compiler>
806 Use a command different from 'greencard' to compile GreenCard files
809 GreenCardCmd=$withval;
810 FPTOOLS_GREENCARD(3.00)
814 AC_ARG_ENABLE(src-tree-happy,
815 [ --enable-src-tree-happy
816 Build and use source tree (fptools/happy) version of Happy.
818 [UseSrcTreeHappy=YES],
821 dnl ** check for installed happy binary + version
822 dnl (don't do it if we're booting from .hc files though.)
823 if test "$BootingFromHc" = "NO"; then
827 AC_ARG_ENABLE(src-tree-haddock,
828 [ --enable-src-tree-haddock
829 Build and use source tree (fptools/haddock) version of Haddock.
831 [UseSrcTreeHaddock=YES],
832 [UseSrcTreeHaddock=NO]
834 dnl ** check for installed haddock
837 AC_ARG_ENABLE(src-tree-alex,
838 [ --enable-src-tree-alex
839 Build and use source tree (fptools/alex) version of Alex.
841 [UseSrcTreeAlex=YES],
844 dnl ** check for installed alex binary + version
845 dnl (don't do it if we're booting from .hc files though.)
846 if test "$BootingFromHc" = "NO"; then
850 dnl --------------------------------------------------
851 dnl ### program checking section ends here ###
852 dnl --------------------------------------------------
854 dnl --------------------------------------------------
855 dnl * Platform header file and syscall feature tests
856 dnl ### checking the state of the local header files and syscalls ###
858 dnl ** check for full ANSI header (.h) files
861 dnl ** Enable large file support. NB. do this before testing the type of
862 dnl off_t, because it will affect the result of that test.
865 dnl ** check for specific header (.h) files that we are interested in
866 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 locale.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)
867 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
869 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
870 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
872 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
873 GhcLibsWithReadline=YES
874 AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
876 GhcLibsWithReadline=NO
877 AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
879 AC_SUBST(GhcLibsWithReadline)
881 dnl ** check for DOS include files
882 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
884 dnl ** check for Windows include files
885 AC_CHECK_HEADERS(windows.h)
887 dnl ** check for OpenGL include files
888 fp_save_cppflags="$CPPFLAGS"
889 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
890 if test $UseQuartzOpenGL = YES ; then
891 AC_CHECK_HEADERS(OpenGL/gl.h)
893 AC_CHECK_HEADERS(GL/gl.h)
895 CPPFLAGS="$fp_save_cppflags"
897 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
900 dnl dynamic loading include files
901 AC_CHECK_HEADERS(dlfcn.h dl.h)
903 dnl ** check for farcalloc (in bcc)
904 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
906 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
907 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
909 dnl ** check for POSIX regex
911 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
912 AC_SUBST(HavePosixRegex)
914 dnl ** how do we get a timezone name, and UTC offset ?
917 dnl ** do we have altzone?
920 dnl ** does struct stat contain st_blksize?
923 dnl ** do we have long longs?
924 AC_CHECK_TYPES([long long])
926 dnl ** check what fields struct msghdr contains
927 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
928 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
929 # include <sys/types.h>
931 #if HAVE_SYS_SOCKET_H
932 # include <sys/socket.h>
935 # include <sys/uio.h>
938 dnl ** what are the sizes of various types
939 AC_CHECK_SIZEOF(char, 1)
940 AC_CHECK_SIZEOF(double, 8)
941 AC_CHECK_SIZEOF(float, 4)
942 AC_CHECK_SIZEOF(int, 4)
943 AC_CHECK_SIZEOF(long, 4)
944 if test "$ac_cv_type_long_long" = yes; then
945 AC_CHECK_SIZEOF(long long, 8)
947 AC_CHECK_SIZEOF(short, 2)
948 AC_CHECK_SIZEOF(unsigned char, 1)
949 AC_CHECK_SIZEOF(unsigned int, 4)
950 AC_CHECK_SIZEOF(unsigned long, 4)
951 if test "$ac_cv_type_long_long" = yes; then
952 AC_CHECK_SIZEOF(unsigned long long, 8)
954 AC_CHECK_SIZEOF(unsigned short, 2)
955 AC_CHECK_SIZEOF(void *, 4)
957 dnl ** what are alignment constraints on various types
958 FP_CHECK_ALIGNMENT(char)
959 FP_CHECK_ALIGNMENT(double)
960 FP_CHECK_ALIGNMENT(float)
961 FP_CHECK_ALIGNMENT(int)
962 FP_CHECK_ALIGNMENT(long)
963 if test "$ac_cv_type_long_long" = yes; then
964 FP_CHECK_ALIGNMENT(long long)
966 FP_CHECK_ALIGNMENT(short)
967 FP_CHECK_ALIGNMENT(unsigned char)
968 FP_CHECK_ALIGNMENT(unsigned int)
969 FP_CHECK_ALIGNMENT(unsigned long)
970 if test "$ac_cv_type_long_long" = yes; then
971 FP_CHECK_ALIGNMENT(unsigned long long)
973 FP_CHECK_ALIGNMENT(unsigned short)
974 FP_CHECK_ALIGNMENT(void *)
976 dnl ** map standard C types and ISO types to Haskell types
977 FPTOOLS_CHECK_HTYPE(char)
978 FPTOOLS_CHECK_HTYPE(signed char)
979 FPTOOLS_CHECK_HTYPE(unsigned char)
980 FPTOOLS_CHECK_HTYPE(short)
981 FPTOOLS_CHECK_HTYPE(unsigned short)
982 FPTOOLS_CHECK_HTYPE(int)
983 FPTOOLS_CHECK_HTYPE(unsigned int)
984 FPTOOLS_CHECK_HTYPE(long)
985 FPTOOLS_CHECK_HTYPE(unsigned long)
986 if test "$ac_cv_type_long_long" = yes; then
987 FPTOOLS_CHECK_HTYPE(long long)
988 FPTOOLS_CHECK_HTYPE(unsigned long long)
990 FPTOOLS_CHECK_HTYPE(float)
991 FPTOOLS_CHECK_HTYPE(double)
992 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
993 FPTOOLS_CHECK_HTYPE(size_t)
994 FPTOOLS_CHECK_HTYPE(wchar_t)
995 dnl Int32 is a HACK for non-ISO C compilers
996 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
997 FPTOOLS_CHECK_HTYPE(clock_t)
998 FPTOOLS_CHECK_HTYPE(time_t)
999 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
1000 FPTOOLS_CHECK_HTYPE(ino_t)
1001 FPTOOLS_CHECK_HTYPE(mode_t)
1002 FPTOOLS_CHECK_HTYPE(off_t)
1003 FPTOOLS_CHECK_HTYPE(pid_t)
1004 FPTOOLS_CHECK_HTYPE(gid_t)
1005 FPTOOLS_CHECK_HTYPE(uid_t)
1006 FPTOOLS_CHECK_HTYPE(cc_t)
1007 FPTOOLS_CHECK_HTYPE(speed_t)
1008 FPTOOLS_CHECK_HTYPE(tcflag_t)
1009 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1010 FPTOOLS_CHECK_HTYPE(nlink_t)
1011 FPTOOLS_CHECK_HTYPE(ssize_t)
1012 FPTOOLS_CHECK_HTYPE(rlim_t)
1013 FPTOOLS_CHECK_HTYPE(wint_t)
1015 dnl ** Map OpenGL data types to Haskell types
1016 if test $GhcLibsWithOpenGL = YES ; then
1017 FPTOOLS_CHECK_HTYPE(GLboolean)
1018 FPTOOLS_CHECK_HTYPE(GLbyte)
1019 FPTOOLS_CHECK_HTYPE(GLubyte)
1020 FPTOOLS_CHECK_HTYPE(GLshort)
1021 FPTOOLS_CHECK_HTYPE(GLushort)
1022 FPTOOLS_CHECK_HTYPE(GLint)
1023 FPTOOLS_CHECK_HTYPE(GLuint)
1024 FPTOOLS_CHECK_HTYPE(GLsizei)
1025 FPTOOLS_CHECK_HTYPE(GLenum)
1026 FPTOOLS_CHECK_HTYPE(GLbitfield)
1027 FPTOOLS_CHECK_HTYPE(GLfloat)
1028 FPTOOLS_CHECK_HTYPE(GLclampf)
1029 FPTOOLS_CHECK_HTYPE(GLdouble)
1030 FPTOOLS_CHECK_HTYPE(GLclampd)
1033 FP_CHECK_CONSTS([E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV], [#include <stdio.h>
1034 #include <errno.h>])
1036 dnl ** can we open files in binary mode?
1037 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1039 dnl ** check for GetModuleFileName and WinExec (windows only)
1040 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
1041 dnl Doesn't work because the linker can't see the functions if
1042 dnl you omit the #include <windows.h>. (I've no idea why not...)
1044 FPTOOLS_TRY_LINK_NOWARN(,[
1046 #include <windows.h>
1055 if test "$have_winexec" = "1"; then
1056 AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
1059 FPTOOLS_TRY_LINK_NOWARN(,[
1061 #include <windows.h>
1065 GetModuleFileName((HMODULE)0,dir,0);
1069 [have_getmodulefilename=1],
1070 [have_getmodulefilename=0])
1071 if test "$have_getmodulefilename" = "1"; then
1072 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
1075 dnl ** check return type of signal handlers
1076 dnl Foo: assumes we can use prototypes.
1077 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1078 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1079 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1080 dnl #include <signal.h>
1084 dnl void (*signal (int, void (*)(int)))(int);
1087 dnl ac_cv_type_signal_handler=void_int,
1088 dnl ac_cv_type_signal_handler=int_void)])
1089 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1090 dnl AC_DEFINE(VOID_INT_SIGNALS)
1093 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1095 if test "$ac_cv_type_signal" = void; then
1096 AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1099 dnl ** check for more functions
1100 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1101 AC_CHECK_FUNCS(strcmp)
1102 AC_CHECK_FUNCS(realpath _fullpath)
1103 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1104 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1105 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1106 AC_CHECK_FUNCS(snprintf _snprintf )
1107 AC_CHECK_FUNCS(popen _popen )
1108 AC_CHECK_FUNCS(pclose _pclose )
1109 AC_CHECK_FUNCS(setenv unsetenv)
1112 dnl ** check for specific library functions that we are interested in
1113 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1115 dnl ** Solaris2 needs additionl flag for getpw*_r()
1116 case "$TargetPlatform" in
1118 unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1119 AC_SUBST(unix_SRC_HSC2HS_OPTS)
1123 dnl ** check whether this machine has gmp3 installed
1124 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1125 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
1126 HaveLibGmp=NO; LibGmp=not-installed))
1127 AC_SUBST(HaveLibGmp)
1130 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1131 HaveFrameworkHaskellSupport=NO
1132 if test $HostPlatform = "powerpc-apple-darwin"; then
1133 AC_MSG_CHECKING([for HaskellSupport.framework])
1135 LIBS="-framework HaskellSupport"
1136 AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1137 if test $HaveFrameworkHaskellSupport = YES; then
1138 AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1141 AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1143 AC_SUBST(HaveFrameworkHaskellSupport)
1145 dnl ** check for mingwex library
1146 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1147 AC_SUBST(HaveLibMingwEx)
1149 if test $HaveLibMingwEx = YES ; then
1150 AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1153 if test "$HaveLibGmp" = "NO"; then
1154 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1155 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1159 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1160 dnl the order of these tests matters: bfd needs liberty
1161 AC_CHECK_LIB(iberty, xmalloc)
1162 AC_CHECK_LIB(bfd, bfd_init)
1164 dnl ** check for wide-char classifications
1165 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1166 dnl functions if it's really there.
1167 AC_CHECK_HEADERS(wctype.h,
1168 [AC_CHECK_FUNCS(iswspace)]
1171 dnl ** check for readline, for Hugs and hslibs' Readline
1172 dnl ncurses supersedes termcap and curses, but for compatibility,
1173 dnl we have to check for all...
1174 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1175 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1176 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1177 HaveLibTermcap=NO; LibTermcap=not-installed)))
1179 if test $HaveLibTermcap = YES ; then
1180 LIBS="-l$LibTermcap $LIBS"
1181 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1184 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1185 AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1186 LibsReadline="readline $LibTermcap"
1188 AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1191 AC_SUBST(LibsReadline)
1193 if test "$HaveLibReadline"; then
1194 AC_CHECK_LIB(readline, rl_erase_empty_line,
1195 [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1196 [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1197 AC_CHECK_LIB(readline, rl_free_undo_list,
1198 [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1199 [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1201 AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1202 AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1205 dnl ** check for math library
1206 FPTOOLS_CHECK_LIBM()
1209 dnl ** check for X Window System
1212 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1213 if test $GhcLibsWithOpenGL = YES ; then
1214 if test $UseQuartzOpenGL = YES ; then
1215 dnl Take a shortcut for Mac OS X native OpenGL:
1216 dnl It's in a non-standard location, but it's always there
1228 dnl ################################################################
1229 dnl Check for libraries
1230 dnl ################################################################
1232 dnl ** check for libdl & RTLD_NEXT
1234 dnl (Mac OS X only) ... but don't check if we already have the
1235 dnl HaskellSupport.framework
1237 if test $HaveFrameworkHaskellSupport = YES; then
1241 AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1243 AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1245 AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1247 AC_SUBST(HaveRtldNext)
1248 AC_SUBST(HaveRtldLocal)
1249 AC_SUBST(HaveRtldGlobal)
1250 AC_SUBST(HaveRtldNow)
1252 AC_CHECK_LIB(dl, dlopen,
1254 AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1257 AC_CHECK_FUNCS(dlopen)
1260 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1261 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1270 AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1276 AC_SUBST(HaveRtldNext)
1278 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1279 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1288 AC_DEFINE(HAVE_RTLDLOCAL)
1294 AC_SUBST(HaveRtldLocal)
1296 dnl ** RTLD_GLOBAL isn't available on openbsd
1297 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1306 AC_DEFINE(HAVE_RTLDGLOBAL)
1312 AC_SUBST(HaveRtldGlobal)
1314 dnl ** RTLD_NOW isn't available on openbsd
1315 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1324 AC_DEFINE(HAVE_RTLDNOW)
1330 AC_SUBST(HaveRtldNow)
1333 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1335 dnl ---------- usleep ----------
1336 dnl --- stolen from guile configure ---
1337 dnl --- FIXME: /usr/include/unistd.h can't be right?
1339 ### On some systems usleep has no return value. If it does have one,
1340 ### we'd like to return it; otherwise, we'll fake it.
1341 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1342 [AC_EGREP_HEADER(changequote(<, >)<void[ ]+usleep>changequote([, ]),
1343 /usr/include/unistd.h,
1344 [cv_func_usleep_return_type=void],
1345 [cv_func_usleep_return_type=int])])
1346 case "$cv_func_usleep_return_type" in
1348 AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1352 dnl --------------------------------------------------
1353 dnl * test for in_addr_t
1354 dnl --------------------------------------------------
1355 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1356 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1357 [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1360 dnl --------------------------------------------------
1361 dnl * test for Linux sendfile(2)
1362 dnl --------------------------------------------------
1363 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1364 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1365 [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1368 dnl --------------------------------------------------
1369 dnl * test for BSD sendfile(2)
1370 dnl --------------------------------------------------
1371 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1372 AC_EGREP_HEADER(sendfile, sys/socket.h,
1373 [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1376 dnl --------------------------------------------------
1378 dnl --------------------------------------------------
1380 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1381 if test -n "$GTK_CONFIG"; then
1382 AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1383 [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1384 FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1385 [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1388 AC_SUBST([GTK_CONFIG])
1390 dnl --------------------------------------------------
1391 dnl * Miscellaneous feature tests
1392 dnl --------------------------------------------------
1394 dnl ** can we get alloca?
1397 dnl ** Working vfork?
1400 dnl ** determine whether or not const works
1403 dnl ** are we big endian?
1406 dnl ** check for leading underscores in symbol names
1409 dnl ** check for ld, and whether ld has -x option
1410 AC_PATH_PROG(LdCmdRaw, ld)
1412 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1414 *) LdCmd=${LdCmdRaw}
1422 AC_MSG_CHECKING([for SIGPOLL])
1423 AC_EGREP_CPP(we_have_sigpoll,
1424 [#include <signal.h>
1428 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1429 AC_MSG_RESULT([$haveSIGPOLL])
1431 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1432 AC_EGREP_CPP(we_have_that_sysconf_thing,
1435 #ifdef _SC_GETGR_R_SIZE_MAX
1436 we_have_that_sysconf_thing
1439 [AC_MSG_RESULT([yes])
1440 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1441 [AC_MSG_RESULT([no])])
1443 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1444 AC_EGREP_CPP(we_have_that_sysconf_thing,
1447 #ifdef _SC_GETPW_R_SIZE_MAX
1448 we_have_that_sysconf_thing
1451 [AC_MSG_RESULT([yes])
1452 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1453 [AC_MSG_RESULT([no])])
1455 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )