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 * Declare subdirectories that have a private configure script
21 dnl After the toplevel configuration is complete, the script will recurse into
22 dnl these subdirectories (the use of cache values makes repeated checks cheap)
23 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
24 AC_CONFIG_SUBDIRS(ghc)
26 # -------------------------------------------------------------------------
27 # Prepare to generate the following header files
30 AC_CONFIG_HEADER(mk/config.h)
32 # No, semi-sadly, we don't do `--srcdir'...
33 if test x"$srcdir" != 'x.' ; then
34 echo "This configuration does not support the \`--srcdir' option.."
39 # Remove common automounter nonsense + convert from UNC to DOS style paths
40 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
43 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
46 echo "*** The top of your build tree is: $hardtop"
47 # subst of hardtop is done below after we've computed hardtop_plat.
49 dnl--------------------------------------------------------------------
50 dnl * Choose host(/target/build) platform
51 dnl--------------------------------------------------------------------
53 dnl Guess host/target/build platform(s) if necessary.
56 # "$host" defaults to "$target"
57 if test "x$host" = xNONE ; then
61 dnl ** canonicalize platform names
62 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
63 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
64 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
66 if test x"$TargetPlatform" != x"$HostPlatform" ; then
67 echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
73 # The following will be more difficult when we *are* cross-compiling.
74 # Suitable names to slam in *_CPP are in platform.h.in.
75 # We also record the architecture, vendor, and operating system (OS)
78 alpha*-dec-osf[[12]]*)
79 HostPlatform=alpha-dec-osf1 # canonicalise for our purposes
80 TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
81 BuildPlatform=alpha-dec-osf1 # hack
82 HostPlatform_CPP='alpha_dec_osf1'
87 alpha*-dec-osf[[345]]*)
88 HostPlatform=alpha-dec-osf3 # canonicalise for our purposes
89 TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
90 BuildPlatform=alpha-dec-osf3 # hack
91 HostPlatform_CPP='alpha_dec_osf3'
97 HostPlatform=alpha-unknown-linux
98 TargetPlatform=alpha-unknown-linux
99 BuildPlatform=alpha-unknown-linux
100 HostPlatform_CPP='alpha_unknown_linux'
102 HostVendor_CPP='unknown'
105 alpha*-unknown-freebsd*)
106 HostPlatform=alpha-unknown-freebsd
107 TargetPlatform=alpha-unknown-freebsd
108 BuildPlatform=alpha-unknown-freebsd
109 HostPlatform_CPP='alpha_unknown_freebsd'
111 HostVendor_CPP='unknown'
115 HostPlatform=hppa1.1-hp-hpux # canonicalise for our purposes (hack)
116 TargetPlatform=hppa1.1-hp-hpux
117 BuildPlatform=hppa1.1-hp-hpux
118 HostPlatform_CPP='hppa1_1_hp_hpux'
119 HostArch_CPP='hppa1_1'
123 i[[3456]]86-*-linuxaout*)
124 HostPlatform=i386-unknown-linuxaout # hack again
125 TargetPlatform=i386-unknown-linuxaout
126 BuildPlatform=i386-unknown-linuxaout
127 HostPlatform_CPP='i386_unknown_linuxaout'
129 HostVendor_CPP='unknown'
130 HostOS_CPP='linuxaout'
132 i[[3456]]86-*-linux*)
133 HostPlatform=i386-unknown-linux # hack again
134 TargetPlatform=i386-unknown-linux
135 BuildPlatform=i386-unknown-linux
136 HostPlatform_CPP='i386_unknown_linux'
138 HostVendor_CPP='unknown'
141 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
142 HostPlatform=i386-unknown-freebsd # hack again
143 TargetPlatform=i386-unknown-freebsd
144 BuildPlatform=i386-unknown-freebsd
145 HostPlatform_CPP='i386_unknown_freebsd'
147 HostVendor_CPP='unknown'
150 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
151 HostPlatform=i386-unknown-freebsd2 # hack again
152 TargetPlatform=i386-unknown-freebsd2
153 BuildPlatform=i386-unknown-freebsd2
154 HostPlatform_CPP='i386_unknown_freebsd2'
156 HostVendor_CPP='unknown'
157 HostOS_CPP='freebsd2'
159 i[[3456]]86-*-netbsd*)
160 HostPlatform=i386-unknown-netbsd # hack again
161 TargetPlatform=i386-unknown-netbsd
162 BuildPlatform=i386-unknown-netbsd
163 HostPlatform_CPP='i386_unknown_netbsd'
165 HostVendor_CPP='unknown'
168 i[[3456]]86-*-openbsd*)
169 HostPlatform=i386-unknown-openbsd # hack again
170 TargetPlatform=i386-unknown-openbsd
171 BuildPlatform=i386-unknown-openbsd
172 HostPlatform_CPP='i386_unknown_openbsd'
174 HostVendor_CPP='unknown'
177 i[[3456]]86-*-solaris2*)
178 HostPlatform=i386-unknown-solaris2 # hack again
179 TargetPlatform=i386-unknown-solaris2
180 BuildPlatform=i386-unknown-solaris2
181 HostPlatform_CPP='i386_unknown_solaris2'
183 HostVendor_CPP='unknown'
184 HostOS_CPP='solaris2'
186 i[[3456]]86-*-cygwin*)
187 HostPlatform=i386-unknown-cygwin32 # hack again
188 TargetPlatform=i386-unknown-cygwin32
189 BuildPlatform=i386-unknown-cygwin32
190 HostPlatform_CPP='i386_unknown_cygwin32'
192 HostVendor_CPP='unknown'
193 HostOS_CPP='cygwin32'
196 i[[3456]]86-*-mingw32*)
197 HostPlatform=i386-unknown-mingw32 # hack again
198 TargetPlatform=i386-unknown-mingw32
199 BuildPlatform=i386-unknown-mingw32
200 HostPlatform_CPP='i386_unknown_mingw32'
202 HostVendor_CPP='unknown'
207 HostPlatform=ia64-unknown-linux # hack again
208 TargetPlatform=ia64-unknown-linux
209 BuildPlatform=ia64-unknown-linux
210 HostPlatform_CPP='ia64_unknown_linux'
212 HostVendor_CPP='unknown'
216 HostPlatform_CPP='m68k_next_nextstep2'
218 HostVendor_CPP='next'
219 HostOS_CPP='nextstep2'
222 HostPlatform_CPP='m68k_next_nextstep3'
224 HostVendor_CPP='next'
225 HostOS_CPP='nextstep3'
227 i[[3456]]86-next-nextstep3)
228 HostPlatform=i386-next-nextstep3 # hack again
229 TargetPlatform=i386-next-nextstep3
230 BuildPlatform=i386-next-nextstep3
231 HostPlatform_CPP='i386_next_nextstep3'
233 HostVendor_CPP='next'
234 HostOS_CPP='nextstep3'
237 HostPlatform=m68k-unknown-openbsd
238 TargetPlatform=m68k-unknown-openbsd
239 BuildPlatform=m68k-unknown-openbsd
240 HostPlatform_CPP='m68k_unknown_openbsd'
242 HostVendor_CPP='unknown'
246 HostPlatform=m68k-sun-sunos4
247 TargetPlatform=m68k-sun-sunos4 #hack
248 BuildPlatform=m68k-sun-sunos4 #hack
249 HostPlatform_CPP='m68k_sun_sunos4'
255 HostPlatform_CPP='mips_dec_ultrix'
256 HostArch_CPP='mipsel' # NB a little different
261 HostPlatform=mips-sgi-irix
262 TargetPlatform=mips-sgi-irix #hack
263 BuildPlatform=mips-sgi-irix #hack
264 HostPlatform_CPP='mips_sgi_irix'
265 HostArch_CPP='mipseb' # NB a little different
270 HostPlatform=rs6000-ibm-aix
271 TargetPlatform=rs6000-ibm-aix #hack
272 BuildPlatform=rs6000-ibm-aix #hack
273 HostPlatform_CPP='rs6000_ibm_aix'
274 HostArch_CPP='rs6000'
279 HostPlatform=powerpc-ibm-aix
280 TargetPlatform=powerpc-ibm-aix #hack
281 BuildPlatform=powerpc-ibm-aix #hack
282 HostPlatform_CPP='powerpc_ibm_aix'
283 HostArch_CPP='powerpc'
287 powerpc-apple-darwin*)
288 HostPlatform=powerpc-apple-darwin
289 TargetPlatform=powerpc-apple-darwin #hack
290 BuildPlatform=powerpc-apple-darwin #hack
291 HostPlatform_CPP='powerpc_apple_darwin'
292 HostArch_CPP='powerpc'
293 HostVendor_CPP='apple'
297 HostPlatform=sparc-sun-sunos4
298 TargetPlatform=sparc-sun-sunos4 #hack
299 BuildPlatform=sparc-sun-sunos4 #hack
300 HostPlatform_CPP='sparc_sun_sunos4'
306 HostPlatform=sparc-sun-solaris2
307 TargetPlatform=sparc-sun-solaris2 #hack
308 BuildPlatform=sparc-sun-solaris2 #hack
309 HostPlatform_CPP='sparc_sun_solaris2'
312 HostOS_CPP='solaris2'
315 echo "Unrecognised platform: $HostPlatform"
319 echo "Canonicalised to: $HostPlatform"
320 test x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
321 test x"$BuildPlatform" != x"$HostPlatform" && echo "Build platform set to $BuildPlatform"
323 BuildPlatform_CPP=$HostPlatform_CPP
324 TargetPlatform_CPP=$HostPlatform_CPP
325 BuildArch_CPP=$HostArch_CPP
326 TargetArch_CPP=$HostArch_CPP
327 BuildOS_CPP=$HostOS_CPP
329 TargetOS_CPP=$HostOS_CPP
330 BuildVendor_CPP=$HostVendor_CPP
331 TargetVendor_CPP=$HostVendor_CPP
333 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
334 dnl AC_SUBST(BuildPlatform)
336 AC_SUBST(HostPlatform)
337 AC_SUBST(TargetPlatform)
338 AC_SUBST(HostPlatform_CPP)
339 dnl AC_SUBST(BuildPlatform_CPP)
340 dnl AC_SUBST(TargetPlatform_CPP)
342 AC_SUBST(HostArch_CPP)
343 dnl AC_SUBST(BuildArch_CPP)
344 dnl AC_SUBST(TargetArch_CPP)
347 AC_SUBST(HostOS_Full)
348 dnl AC_SUBST(BuildOS_CPP)
349 dnl AC_SUBST(TargetOS_CPP)
351 AC_SUBST(HostVendor_CPP)
352 dnl AC_SUBST(BuildVendor_CPP)
353 dnl AC_SUBST(TargetVendor_CPP)
358 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
359 # (but with b-slashes being escaped).
360 case $HostPlatform in
361 i386-unknown-mingw32 | i386-unknown-cygwin32)
362 # get rid off /cygdrive/ prefix
363 hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
364 hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
367 hardtop_plat=${hardtop}
371 AC_SUBST(hardtop_plat)
373 dnl --------------------------------------------------------------
374 dnl * Project specific configuration options
375 dnl --------------------------------------------------------------
376 dnl What follows is a bunch of options that can either be configured
377 dnl through command line options to the configure script or by
378 dnl supplying defns in the build tree's mk/build.mk. Having the option to
379 dnl use either is considered a Feature.
381 dnl ** What command to use to compile compiler sources ?
382 dnl --------------------------------------------------------------
385 [ --with-ghc=<haskell compiler>
386 Use a command different from 'ghc' to compile GHC-specific Haskell code
387 (including GHC itself).
389 [ WithGhc="$withval" ],
391 if test "$GHC" = ""; then
392 AC_PATH_PROG(GHC,ghc)
400 [ --with-hc=<haskell compiler>
401 Use a command different from 'ghc' to compile generic Haskell code.
408 if test "$WithGhc" != ""; then
409 FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
410 AC_SUBST(GhcVersion)dnl
411 AC_SUBST(GhcMajVersion)dnl
412 AC_SUBST(GhcMinVersion)dnl
413 AC_SUBST(GhcPatchLevel)dnl
416 AC_PATH_PROGS(NHC,nhc nhc98)
417 AC_PATH_PROG(HBC,hbc)
419 dnl ** Which gcc to use?
420 dnl --------------------------------------------------------------
422 [ --with-gcc=<gcc command>
423 Use a different command instead of 'gcc' for the GNU C compiler.
425 [WhatGccIsCalled="$withval"
427 [WhatGccIsCalled="gcc"]
429 AC_SUBST(WhatGccIsCalled)
431 dnl ** Booting from .hc files?
432 dnl --------------------------------------------------------------
433 AC_ARG_ENABLE(hc-boot,
435 Boot the Glasgow Haskell Compiler from intermediate .hc files.
436 (This option is mostly of interest to porters.)
441 AC_SUBST(BootingFromHc)
443 dnl ** Booting from unregisterised .hc files?
444 dnl --------------------------------------------------------------
445 AC_ARG_ENABLE(hc-boot-unregisterised,
446 [ --enable-hc-boot-unregisterised
447 With --enable-hc-boot, treat the intermediate .hc files as
448 unregisterised rather than registerised code.
449 (This option is mostly of interest to porters.)
451 [BootingFromUnregisterisedHc=YES],
452 [BootingFromUnregisterisedHc=NO]
454 AC_SUBST(BootingFromUnregisterisedHc)
456 if test "$BootingFromHc" = "NO"; then
457 if test "$BootingFromUnregisterisedHc" = "YES"; then
458 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
463 dnl ** Enable multi-thread friendly RTS?
464 dnl --------------------------------------------------------------
465 AC_ARG_ENABLE(threaded-rts,
466 [ --enable-threaded-rts
467 Support better interop with OS threads.
472 AC_SUBST(ThreadedRts)
474 dnl ** Enable the construction of Win32 DLLs?
475 dnl --------------------------------------------------------------
476 AC_ARG_ENABLE(win32-dlls,
477 [ --enable-win32-dlls
478 If on a Win32 platform running mingw32/cygwin, enable the
479 construction of DLLs containing ghc-compiled code.
485 *) echo "Unrecognised win32 platform: $HostPlatform"
493 AC_SUBST(EnableWin32DLLs)
494 if test x"$EnableWin32DLLs" = "xYES" ; then
495 AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
498 dnl ** Enable the building of the ObjectIO?
499 dnl --------------------------------------------------------------
500 AC_ARG_ENABLE(objectio,
502 Build ObjectIO, a portable GUI library for Haskell.
503 (This option is only relevant when libraries are built.)
505 [GhcLibsWithObjectIO=YES],
506 [GhcLibsWithObjectIO=NO]
508 AC_SUBST(GhcLibsWithObjectIO)
510 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
511 dnl --------------------------------------------------------------
512 AC_ARG_ENABLE(hopengl,
514 Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
515 (This option is only relevant when hslibs are built.)
517 [GhcLibsWithHOpenGL=YES],
518 [GhcLibsWithHOpenGL=NO]
520 AC_SUBST(GhcLibsWithHOpenGL)
522 dnl ** Use a specific version of the GLUT API
523 dnl --------------------------------------------------------------
524 AC_ARG_WITH(glut-api,
525 [ --with-glut-api=<version>
526 Use a specific version of the GLUT API when building HOpenGL.
528 test -n "$with_glut_api" && CPPFLAGS="$CPPFLAGS -DGLUT_API_VERSION=$with_glut_api"
531 dnl ** Use a specific version of the GLUT API
532 dnl --------------------------------------------------------------
533 AC_ARG_WITH(glut-xlib,
534 [ --with-glut-xlib=<version>
535 Use a specific version of the GLUT Xlib implementation when building HOpenGL.
537 test -n "$with_glut_xlib" && CPPFLAGS="$CPPFLAGS -DGLUT_XLIB_IMPLEMENTATION=$with_glut_xlib"
542 dnl --------------------------------------------------------------
543 dnl End of configure script option section
544 dnl --------------------------------------------------------------
547 dnl --------------------------------------------------------------
548 dnl * General configuration checks
549 dnl --------------------------------------------------------------
554 dnl ** look for `perl', but only in /bin on Windows
557 AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
558 if test -z "$PerlCmd"; then
559 echo "You must install the version of Perl shipped with GHC"
560 echo "(or a compatible one) in /bin."
565 AC_PATH_PROG(PerlCmd,perl)
566 if test -z "$PerlCmd"; then
567 echo "You must install perl before you can continue"
568 echo "Perhaps it is already installed, but not in your PATH?"
571 FPTOOLS_CHECK_PERL_VERSION
576 dnl ** does #! path/to/perl work? (sometimes it's too long...)
579 dnl ** look for GCC and find out which version
580 dnl Figure out which C compiler to use. Gcc is preferred.
581 dnl If gcc, make sure it's at least 2.1
586 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
589 dnl ** Without optimization some INLINE trickery fails for GHCi
592 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
593 if test x"$TargetOS_CPP" = x"mingw32"; then
594 FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
595 SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
596 CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
598 AC_SUBST(SRC_CC_OPTS)
600 dnl ** figure out how to do context diffs
603 dnl ** Find find command (for Win32's benefit)
606 dnl ** look for a decent parser generator (bison preferred)
607 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
608 dnl on the suitability of the 'yacc' returned.)
611 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
612 dnl AC_PROG_LEX, since it doesn't actually check whether 'lex'
613 dnl exists if 'flex' doesn't.
616 dnl ** figure out how to do a BSD-ish install
619 dnl If you can run configure, you certainly have /bin/sh
620 AC_DEFINE(HAVE_BIN_SH)
622 dnl ** how to invoke `ar' and `ranlib'
623 FPTOOLS_PROG_AR_AND_RANLIB
625 dnl ** Check to see whether ln -s works
629 dnl ** Find the path to sed
630 AC_PATH_PROG(SedCmd,sed)
633 dnl ** check for time command
634 AC_PATH_PROG(TimeCmd,time)
638 dnl if GNU tar is named gtar, look for it first.
639 AC_PATH_PROGS(TarCmd,gtar tar,tar)
641 dnl ** check for gzip/compress
642 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
644 dnl ** check for jade/openjade & determine a working catalog
645 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
646 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
647 /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
648 if test -z "$Catalog"; then
649 AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
652 yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
658 Catalog=`cygpath -w $hardtop/$Catalog`
660 *) Catalog=$hardtop/$Catalog
667 compress_nm=`basename $CompressCmd`
668 if test x"$compress_nm" = xgzip; then
669 CompressCmd="$CompressCmd -d"
674 AC_SUBST(CompressCmd)
675 AC_SUBST(CompressSuffix)
677 AC_ARG_ENABLE(src-tree-happy,
678 [ --enable-src-tree-happy
679 Build and use source tree (fptools/happy) version of happy.
681 [UseSrcTreeHappy=YES],
684 dnl ** check for installed happy binary + version
685 dnl (don't do it if we're booting from .hc files though.)
686 if test "$BootingFromHc" = "NO"; then
690 AC_ARG_ENABLE(src-tree-haddock,
691 [ --enable-src-tree-haddock
692 Build and use source tree (fptools/haddock) version of haddock.
694 [UseSrcTreeHaddock=YES],
695 [UseSrcTreeHaddock=NO]
697 dnl ** check for installed haddock
700 dnl --------------------------------------------------
701 dnl ### program checking section ends here ###
702 dnl --------------------------------------------------
704 dnl --------------------------------------------------
705 dnl * Platform header file and syscall feature tests
706 dnl ### checking the state of the local header files and syscalls ###
708 dnl ** check for full ANSI header (.h) files
711 dnl ** check for specific header (.h) files that we are interested in
712 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 vfork.h bfd.h winsock.h pthread.h sys/uio.h)
714 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
715 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
717 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
718 HaveReadlineHeaders=YES
719 AC_DEFINE(HAVE_READLINE_HEADERS,1)
721 HaveReadlineHeaders=NO
722 AC_DEFINE(HAVE_READLINE_HEADERS,0)
724 AC_SUBST(HaveReadlineHeaders)
726 dnl ** check for DOS include files
727 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
729 dnl ** check for Windows include files
730 AC_CHECK_HEADERS(windows.h)
732 dnl ** check for OpenGL include files
733 AC_CHECK_HEADERS(GL/gl.h)
735 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
738 dnl dynamic loading include files
739 AC_CHECK_HEADERS(dlfcn.h dl.h)
741 dnl ** check for farcalloc (in bcc)
742 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
744 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
745 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
747 dnl ** check for POSIX regex
749 AC_CHECK_HEADER(regex.h,AC_CHECK_FUNC(regcomp, HavePosixRegex=YES))
750 AC_SUBST(HavePosixRegex)
752 dnl ** how do we get a timezone name, and UTC offset ?
755 dnl ** what's the type of timezone?
756 FPTOOLS_HAVE_TIMEZONE
757 FPTOOLS_TYPE_TIMEZONE
759 dnl ** do we have altzone?
762 dnl ** does struct stat contain st_blksize?
765 dnl ** do we have long longs?
768 dnl ** check what fields struct msghdr contains
769 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
770 FPTOOLS_MSGHDR_MSG_CONTROL
772 dnl ** what are the sizes of various types
773 dnl (these must come before GHC_CHECK_ALIGNMENT)
774 AC_CHECK_SIZEOF(char, 1)
775 AC_CHECK_SIZEOF(double, 8)
776 AC_CHECK_SIZEOF(float, 4)
777 AC_CHECK_SIZEOF(int, 4)
778 AC_CHECK_SIZEOF(long, 4)
779 if test "$fptools_cv_have_long_long" = yes; then
780 AC_CHECK_SIZEOF(long long, 8)
782 AC_CHECK_SIZEOF(short, 2)
783 AC_CHECK_SIZEOF(unsigned char, 1)
784 AC_CHECK_SIZEOF(unsigned int, 4)
785 AC_CHECK_SIZEOF(unsigned long, 4)
786 if test "$fptools_cv_have_long_long" = yes; then
787 AC_CHECK_SIZEOF(unsigned long long, 8)
789 AC_CHECK_SIZEOF(unsigned short, 2)
790 AC_CHECK_SIZEOF(void *, 4)
792 dnl ** what are alignment constraints on various types
793 FPTOOLS_CHECK_ALIGNMENT(char)
794 FPTOOLS_CHECK_ALIGNMENT(double)
795 FPTOOLS_CHECK_ALIGNMENT(float)
796 FPTOOLS_CHECK_ALIGNMENT(int)
797 FPTOOLS_CHECK_ALIGNMENT(long)
798 if test "$fptools_cv_have_long_long" = yes; then
799 FPTOOLS_CHECK_ALIGNMENT(long long)
801 FPTOOLS_CHECK_ALIGNMENT(short)
802 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
803 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
804 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
805 if test "$fptools_cv_have_long_long" = yes; then
806 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
808 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
809 FPTOOLS_CHECK_ALIGNMENT(void *)
811 dnl ** map standard C types and ISO types to Haskell types
812 FPTOOLS_CHECK_HTYPE(char)
813 FPTOOLS_CHECK_HTYPE(signed char)
814 FPTOOLS_CHECK_HTYPE(unsigned char)
815 FPTOOLS_CHECK_HTYPE(short)
816 FPTOOLS_CHECK_HTYPE(unsigned short)
817 FPTOOLS_CHECK_HTYPE(int)
818 FPTOOLS_CHECK_HTYPE(unsigned int)
819 FPTOOLS_CHECK_HTYPE(long)
820 FPTOOLS_CHECK_HTYPE(unsigned long)
821 if test "$fptools_cv_have_long_long" = yes; then
822 FPTOOLS_CHECK_HTYPE(long long)
823 FPTOOLS_CHECK_HTYPE(unsigned long long)
825 FPTOOLS_CHECK_HTYPE(float)
826 FPTOOLS_CHECK_HTYPE(double)
827 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
828 FPTOOLS_CHECK_HTYPE(size_t)
829 FPTOOLS_CHECK_HTYPE(wchar_t)
830 dnl Int32 is a HACK for non-ISO C compilers
831 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
832 FPTOOLS_CHECK_HTYPE(clock_t)
833 FPTOOLS_CHECK_HTYPE(time_t)
834 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
835 FPTOOLS_CHECK_HTYPE(ino_t)
836 FPTOOLS_CHECK_HTYPE(mode_t)
837 FPTOOLS_CHECK_HTYPE(off_t)
838 FPTOOLS_CHECK_HTYPE(pid_t)
839 FPTOOLS_CHECK_HTYPE(gid_t)
840 FPTOOLS_CHECK_HTYPE(uid_t)
841 FPTOOLS_CHECK_HTYPE(cc_t)
842 FPTOOLS_CHECK_HTYPE(speed_t)
843 FPTOOLS_CHECK_HTYPE(tcflag_t)
844 FPTOOLS_CHECK_HTYPE(nlink_t)
845 FPTOOLS_CHECK_HTYPE(ssize_t)
847 dnl ** Map OpenGL data types to Haskell types
848 if test $GhcLibsWithHOpenGL = YES ; then
849 FPTOOLS_CHECK_HTYPE(GLboolean)
850 FPTOOLS_CHECK_HTYPE(GLbyte)
851 FPTOOLS_CHECK_HTYPE(GLubyte)
852 FPTOOLS_CHECK_HTYPE(GLshort)
853 FPTOOLS_CHECK_HTYPE(GLushort)
854 FPTOOLS_CHECK_HTYPE(GLint)
855 FPTOOLS_CHECK_HTYPE(GLuint)
856 FPTOOLS_CHECK_HTYPE(GLsizei)
857 FPTOOLS_CHECK_HTYPE(GLenum)
858 FPTOOLS_CHECK_HTYPE(GLbitfield)
859 FPTOOLS_CHECK_HTYPE(GLfloat)
860 FPTOOLS_CHECK_HTYPE(GLclampf)
861 FPTOOLS_CHECK_HTYPE(GLdouble)
862 FPTOOLS_CHECK_HTYPE(GLclampd)
865 dnl ** can we open files in binary mode?
868 dnl ** check for GetModuleFileName and WinExec (windows only)
869 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName) dnl Windows
870 dnl Doesn't work because the linker can't see the functions if
871 dnl you omit the #include <windows.h>. (I've no idea why not...)
873 FPTOOLS_TRY_LINK_NOWARN(,[
884 if test "$have_winexec" = "1"; then
885 AC_DEFINE(HAVE_WINEXEC)
888 FPTOOLS_TRY_LINK_NOWARN(,[
894 GetModuleFileName((HMODULE)0,dir,0);
898 [have_getmodulefilename=1],
899 [have_getmodulefilename=0])
900 if test "$have_getmodulefilename" = "1"; then
901 AC_DEFINE(HAVE_GETMODULEFILENAME)
904 dnl ** check return type of signal handlers
905 dnl Foo: assumes we can use prototypes.
906 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
907 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
908 dnl [AC_TRY_COMPILE([#include <sys/types.h>
909 dnl #include <signal.h>
913 dnl void (*signal (int, void (*)(int)))(int);
916 dnl ac_cv_type_signal_handler=void_int,
917 dnl ac_cv_type_signal_handler=int_void)])
918 dnl if test "$ac_cv_type_signal_handler" = void_int; then
919 dnl AC_DEFINE(VOID_INT_SIGNALS)
922 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
924 if test "$ac_cv_type_signal" = void; then
925 AC_DEFINE(VOID_INT_SIGNALS)
928 dnl ** check for more functions
929 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
930 AC_CHECK_FUNCS(strcmp)
931 AC_CHECK_FUNCS(realpath _fullpath)
932 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
933 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
934 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
935 AC_CHECK_FUNCS(snprintf _snprintf )
936 AC_CHECK_FUNCS(popen _popen )
937 AC_CHECK_FUNCS(pclose _pclose )
940 dnl ** check for specific library functions that we are interested in
941 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r)
943 dnl ** check whether this machine has gmp3 installed
944 AC_CHECK_LIB(gmp, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
945 AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp3,
946 HaveLibGmp=NO; LibGmp=not-installed))
950 dnl ** check for mingwex library
951 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
952 AC_SUBST(HaveLibMingwEx)
954 if test $HaveLibMingwEx = YES ; then
955 AC_DEFINE(HAVE_MINGWEX)
958 if test "$HaveLibGmp" = "NO"; then
959 if test "$HostArch_CPP" = "ia64"; then
960 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
964 dnl ** check whether this machine has GNU regex in libc.
965 FPTOOLS_REGEX_IN_LIBC
967 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
968 dnl the order of these tests matters: bfd needs liberty
969 AC_CHECK_LIB(iberty, xmalloc)
970 AC_CHECK_LIB(bfd, bfd_init)
972 dnl ** check for readline, for Hugs and hslibs' Readline
973 dnl ncurses supersedes termcap and curses, but for compatibility,
974 dnl we have to check for all...
975 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
976 AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
977 AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
978 HaveLibTermcap=NO; LibTermcap=not-installed)))
980 if test $HaveLibTermcap = YES ; then
981 LIBS="-l$LibTermcap $LIBS"
982 AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
985 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
986 AC_DEFINE(HAVE_READLINE_LIBS,1)
987 LibsReadline="readline $LibTermcap"
989 AC_DEFINE(HAVE_READLINE_LIBS,0)
992 AC_SUBST(LibsReadline)
994 if test "$HaveLibReadline"; then
995 AC_CHECK_LIB(readline, rl_erase_empty_line,
996 [AC_DEFINE(HAVE_READLINE_4, 1)],
997 [AC_DEFINE(HAVE_READLINE_4, 0)])
998 AC_CHECK_LIB(readline, rl_free_undo_list,
999 [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1000 [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1002 AC_DEFINE(HAVE_READLINE_4, 0)
1003 AC_DEFINE(HAVE_READLINE_4_2, 0)
1006 dnl ** check for math library
1007 FPTOOLS_CHECK_LIBM()
1013 *) AC_PATH_XTRA() ;;
1018 dnl ################################################################
1019 dnl Check for libraries
1020 dnl ################################################################
1022 dnl ** check for libdl & RTLD_NEXT
1024 AC_CHECK_LIB(dl, dlopen,
1026 AC_DEFINE(HAVE_LIBDL)
1029 AC_CHECK_FUNCS(dlopen)
1032 dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1033 AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1042 AC_DEFINE(HAVE_RTLDNEXT)
1048 AC_SUBST(HaveRtldNext)
1050 dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1051 AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1060 AC_DEFINE(HAVE_RTLDLOCAL)
1066 AC_SUBST(HaveRtldLocal)
1068 dnl ** RTLD_GLOBAL isn't available on openbsd
1069 AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1078 AC_DEFINE(HAVE_RTLDGLOBAL)
1084 AC_SUBST(HaveRtldGlobal)
1086 dnl ** RTLD_NOW isn't available on openbsd
1087 AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1096 AC_DEFINE(HAVE_RTLDNOW)
1102 AC_SUBST(HaveRtldNow)
1104 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1106 dnl --------------------------------------------------
1108 dnl --------------------------------------------------
1110 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1111 if test "$GTK_CONFIG" != ""; then
1112 AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1113 fptools_cv_gtk_version=`$GTK_CONFIG --version`
1115 GTK_VERSION=$fptools_cv_gtk_version
1120 case $fptools_cv_gtk_version in
1122 *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1127 AC_SUBST(GTK_CONFIG)
1128 AC_SUBST(GTK_VERSION)
1130 dnl --------------------------------------------------
1131 dnl * Miscellaneous feature tests
1132 dnl --------------------------------------------------
1134 dnl ** can we get alloca?
1137 dnl ** determine whether or not const works
1140 dnl ** determine whether ANSI-function prototypes work?
1143 dnl ** are we big endian?
1145 # Allay users' general fear of warnings of any kind.
1146 errprint(fptools configure script wizard sez: autoconf-2.50 or later should produce no warnings
1148 errprint(if you are using 2.13 or earlier, you may get a (harmless) warning message.
1151 dnl ** check for leading underscores in symbol names
1154 dnl ** how is the end of text section signalled?
1155 FPTOOLS_END_TEXT_SECTION
1157 dnl ** how is the end of data section signalled?
1158 FPTOOLS_END_DATA_SECTION
1160 dnl ** code before data?
1161 FPTOOLS_CODE_BEFORE_DATA
1163 dnl ** check for ld, and whether ld has -x option
1164 AC_PATH_PROG(LdCmdRaw, ld)
1166 mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1168 *) LdCmd=${LdCmdRaw}
1174 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )