configure.in

   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)
   4 dnl
   5 #
   6 # (c) The AQUA Project, Glasgow University, 1994-1998
   7 #
   8 # Configure script template for the Glasgow functional programming tools
   9 #
  10 # Process with 'autoconf' to get a working configure script.
  11 #
  12 # For the generated configure script, do "./configure --help" to
  13 # see what flags are available. (Better yet, read the documentation!)
  14 #
  15
  16 # First off, a distrib sanity check..
  17 AC_INIT(mk/config.mk.in)
  18
  19 dnl * Declare subdirectories that have a private configure script
  20 dnl
  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 AC_CONFIG_SUBDIRS(ghc)
  24
  25 # -------------------------------------------------------------------------
  26 # Prepare to generate the following header files
  27 #
  28 #
  29 AC_CONFIG_HEADER(mk/config.h)
  30
  31 # No, semi-sadly, we don't do `--srcdir'...
  32 if test x"$srcdir" != 'x.' ; then
  33     echo "This configuration does not support the \`--srcdir' option.."
  34     exit 1
  35 fi
  36
  37 #
  38 # Remove common automounter nonsense + convert from UNC to DOS style paths
  39 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
  40 #
  41 hardtop=`pwd`
  42 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
  43
  44 echo ''
  45 echo "*** The top of your build tree is: $hardtop"
  46 AC_SUBST(hardtop)
  47
  48 dnl--------------------------------------------------------------------
  49 dnl * Choose host(/target/build) platform
  50 dnl--------------------------------------------------------------------
  51
  52 dnl Guess host/target/build platform(s) if necessary.
  53 AC_CANONICAL_SYSTEM
  54
  55 # "$host" defaults to "$target"
  56 if test "x$host" = xNONE ; then
  57     host=$target
  58 fi
  59
  60 dnl ** canonicalize platform names
  61 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  62 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  63 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  64
  65 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  66     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  67     exit 1
  68 fi
  69
  70 exeext=''
  71 #
  72 # The following will be more difficult when we *are* cross-compiling.
  73 # Suitable names to slam in *_CPP are in platform.h.in.
  74 # We also record the architecture, vendor, and operating system (OS)
  75 # separately.
  76 case $HostPlatform in
  77 alpha-dec-osf[[12]]*)
  78         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  79         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  80         BuildPlatform=alpha-dec-osf1  # hack
  81         HostPlatform_CPP='alpha_dec_osf1'
  82         HostArch_CPP='alpha'
  83         HostVendor_CPP='dec'
  84         HostOS_CPP='osf1'
  85         ;;
  86 alpha-dec-osf[[34]]*)
  87         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  88         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  89         BuildPlatform=alpha-dec-osf3  # hack
  90         HostPlatform_CPP='alpha_dec_osf3'
  91         HostArch_CPP='alpha'
  92         HostVendor_CPP='dec'
  93         HostOS_CPP='osf3'
  94         ;;
  95 alpha-unknown-linux)
  96         HostPlatform=alpha-unknown-linux
  97         TargetPlatform=alpha-unknown-linux
  98         BuildPlatform=alpha-unknown-linux
  99         HostPlatform_CPP='alpha_unknown_linux'
 100         HostArch_CPP='alpha'
 101         HostVendor_CPP='unknown'
 102         HostOS_CPP='linux'
 103         ;;
 104 alpha-unknown-freebsd*)
 105         HostPlatform=alpha-unknown-freebsd
 106         TargetPlatform=alpha-unknown-freebsd
 107         BuildPlatform=alpha-unknown-freebsd
 108         HostPlatform_CPP='alpha_unknown_freebsd'
 109         HostArch_CPP='alpha'
 110         HostVendor_CPP='unknown'
 111         HostOS_CPP='freebsd'
 112         ;;
 113 hppa1.1-hp-hpux*)
 114         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 115         TargetPlatform=hppa1.1-hp-hpux
 116         BuildPlatform=hppa1.1-hp-hpux
 117         HostPlatform_CPP='hppa1_1_hp_hpux'
 118         HostArch_CPP='hppa1_1'
 119         HostVendor_CPP='hp'
 120         HostOS_CPP='hpux'
 121         ;;
 122 i[[3456]]86-*-linuxaout*)
 123         HostPlatform=i386-unknown-linuxaout   # hack again
 124         TargetPlatform=i386-unknown-linuxaout
 125         BuildPlatform=i386-unknown-linuxaout
 126         HostPlatform_CPP='i386_unknown_linuxaout'
 127         HostArch_CPP='i386'
 128         HostVendor_CPP='unknown'
 129         HostOS_CPP='linuxaout'
 130         ;;
 131 i[[3456]]86-*-linux*)
 132         HostPlatform=i386-unknown-linux # hack again
 133         TargetPlatform=i386-unknown-linux
 134         BuildPlatform=i386-unknown-linux
 135         HostPlatform_CPP='i386_unknown_linux'
 136         HostArch_CPP='i386'
 137         HostVendor_CPP='unknown'
 138         HostOS_CPP='linux'
 139         ;;
 140 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 141         HostPlatform=i386-unknown-freebsd # hack again
 142         TargetPlatform=i386-unknown-freebsd
 143         BuildPlatform=i386-unknown-freebsd
 144         HostPlatform_CPP='i386_unknown_freebsd'
 145         HostArch_CPP='i386'
 146         HostVendor_CPP='unknown'
 147         HostOS_CPP='freebsd'
 148         ;;
 149 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 150         HostPlatform=i386-unknown-freebsd2 # hack again
 151         TargetPlatform=i386-unknown-freebsd2
 152         BuildPlatform=i386-unknown-freebsd2
 153         HostPlatform_CPP='i386_unknown_freebsd2'
 154         HostArch_CPP='i386'
 155         HostVendor_CPP='unknown'
 156         HostOS_CPP='freebsd2'
 157         ;;
 158 i[[3456]]86-*-netbsd*)
 159         HostPlatform=i386-unknown-netbsd # hack again
 160         TargetPlatform=i386-unknown-netbsd
 161         BuildPlatform=i386-unknown-netbsd
 162         HostPlatform_CPP='i386_unknown_netbsd'
 163         HostArch_CPP='i386'
 164         HostVendor_CPP='unknown'
 165         HostOS_CPP='netbsd'
 166         ;;
 167 i[[3456]]86-*-solaris2*)
 168         HostPlatform=i386-unknown-solaris2 # hack again
 169         TargetPlatform=i386-unknown-solaris2
 170         BuildPlatform=i386-unknown-solaris2
 171         HostPlatform_CPP='i386_unknown_solaris2'
 172         HostArch_CPP='i386'
 173         HostVendor_CPP='unknown'
 174         HostOS_CPP='solaris2'
 175         ;;
 176 i[[3456]]86-*-cygwin32*)
 177         HostPlatform=i386-unknown-cygwin32 # hack again
 178         TargetPlatform=i386-unknown-cygwin32
 179         BuildPlatform=i386-unknown-cygwin32
 180         HostPlatform_CPP='i386_unknown_cygwin32'
 181         HostArch_CPP='i386'
 182         HostVendor_CPP='unknown'
 183         HostOS_CPP='cygwin32'
 184         exeext='.exe'
 185         ;;
 186 i[[3456]]86-*-mingw32*)
 187         HostPlatform=i386-unknown-mingw32 # hack again
 188         TargetPlatform=i386-unknown-mingw32
 189         BuildPlatform=i386-unknown-mingw32
 190         HostPlatform_CPP='i386_unknown_mingw32'
 191         HostArch_CPP='i386'
 192         HostVendor_CPP='unknown'
 193         HostOS_CPP='mingw32'
 194         exeext='.exe'
 195         # We assume you're using mingw32 via the gcc that comes
 196         # with cygwin, and not the native port, so let's augment
 197         # the gcc command-line used here with -mno-cygwin to
 198         # arrange for good things to happen.
 199         CFLAGS="-mno-cygwin $CFLAGS"
 200         ;;
 201 m68k-next-nextstep2)
 202         HostPlatform_CPP='m68k_next_nextstep2'
 203         HostArch_CPP='m68k'
 204         HostVendor_CPP='next'
 205         HostOS_CPP='nextstep2'
 206         ;;
 207 m68k-next-nextstep3)
 208         HostPlatform_CPP='m68k_next_nextstep3'
 209         HostArch_CPP='m68k'
 210         HostVendor_CPP='next'
 211         HostOS_CPP='nextstep3'
 212         ;;
 213 i[[3456]]86-next-nextstep3)
 214         HostPlatform=i386-next-nextstep3 # hack again
 215         TargetPlatform=i386-next-nextstep3
 216         BuildPlatform=i386-next-nextstep3
 217         HostPlatform_CPP='i386_next_nextstep3'
 218         HostArch_CPP='i386'
 219         HostVendor_CPP='next'
 220         HostOS_CPP='nextstep3'
 221         ;;
 222 m68k-sun-sunos4*)
 223         HostPlatform=m68k-sun-sunos4
 224         TargetPlatform=m68k-sun-sunos4 #hack
 225         BuildPlatform=m68k-sun-sunos4 #hack
 226         HostPlatform_CPP='m68k_sun_sunos4'
 227         HostArch_CPP='m68k'
 228         HostVendor_CPP='sun'
 229         HostOS_CPP='sunos4'
 230         ;;
 231 mips-dec-ultrix*)
 232         HostPlatform_CPP='mips_dec_ultrix'
 233         HostArch_CPP='mipsel'   # NB a little different
 234         HostVendor_CPP='dec'
 235         HostOS_CPP='ultrix'
 236         ;;
 237 mips-sgi-irix*)
 238         HostPlatform=mips-sgi-irix
 239         TargetPlatform=mips-sgi-irix #hack
 240         BuildPlatform=mips-sgi-irix #hack
 241         HostPlatform_CPP='mips_sgi_irix'
 242         HostArch_CPP='mipseb'   # NB a little different
 243         HostVendor_CPP='sgi'
 244         HostOS_CPP='irix'
 245         ;;
 246 rs6000-ibm-aix*)
 247         HostPlatform=rs6000-ibm-aix
 248         TargetPlatform=rs6000-ibm-aix #hack
 249         BuildPlatform=rs6000-ibm-aix #hack
 250         HostPlatform_CPP='rs6000_ibm_aix'
 251         HostArch_CPP='rs6000'
 252         HostVendor_CPP='ibm'
 253         HostOS_CPP='aix'
 254         ;;
 255 powerpc-ibm-aix*)
 256         HostPlatform=powerpc-ibm-aix
 257         TargetPlatform=powerpc-ibm-aix #hack
 258         BuildPlatform=powerpc-ibm-aix #hack
 259         HostPlatform_CPP='powerpc_ibm_aix'
 260         HostArch_CPP='powerpc'
 261         HostVendor_CPP='ibm'
 262         HostOS_CPP='aix'
 263         ;;
 264 sparc-sun-sunos4*)
 265         HostPlatform=sparc-sun-sunos4
 266         TargetPlatform=sparc-sun-sunos4 #hack
 267         BuildPlatform=sparc-sun-sunos4 #hack
 268         HostPlatform_CPP='sparc_sun_sunos4'
 269         HostArch_CPP='sparc'
 270         HostVendor_CPP='sun'
 271         HostOS_CPP='sunos4'
 272         ;;
 273 sparc-sun-solaris2*)
 274         HostPlatform=sparc-sun-solaris2
 275         TargetPlatform=sparc-sun-solaris2 #hack
 276         BuildPlatform=sparc-sun-solaris2 #hack
 277         HostPlatform_CPP='sparc_sun_solaris2'
 278         HostArch_CPP='sparc'
 279         HostVendor_CPP='sun'
 280         HostOS_CPP='solaris2'
 281         ;;
 282 *)
 283         echo "Unrecognised platform: $HostPlatform"
 284         exit 1
 285         ;;
 286 esac
 287 echo "Canonicalised to: $HostPlatform"
 288 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 289 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 290
 291 BuildPlatform_CPP=$HostPlatform_CPP
 292 TargetPlatform_CPP=$HostPlatform_CPP
 293 BuildArch_CPP=$HostArch_CPP
 294 TargetArch_CPP=$HostArch_CPP
 295 BuildOS_CPP=$HostOS_CPP
 296 HostOS_Full=$host_os
 297 TargetOS_CPP=$HostOS_CPP
 298 BuildVendor_CPP=$HostVendor_CPP
 299 TargetVendor_CPP=$HostVendor_CPP
 300
 301 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 302 dnl AC_SUBST(BuildPlatform)
 303
 304 AC_SUBST(HostPlatform)
 305 AC_SUBST(TargetPlatform)
 306 AC_SUBST(HostPlatform_CPP)
 307 dnl AC_SUBST(BuildPlatform_CPP)
 308 dnl AC_SUBST(TargetPlatform_CPP)
 309
 310 AC_SUBST(HostArch_CPP)
 311 dnl AC_SUBST(BuildArch_CPP)
 312 dnl AC_SUBST(TargetArch_CPP)
 313
 314 AC_SUBST(HostOS_CPP)
 315 AC_SUBST(HostOS_Full)
 316 dnl AC_SUBST(BuildOS_CPP)
 317 dnl AC_SUBST(TargetOS_CPP)
 318
 319 AC_SUBST(HostVendor_CPP)
 320 dnl AC_SUBST(BuildVendor_CPP)
 321 dnl AC_SUBST(TargetVendor_CPP)
 322
 323 AC_SUBST(exeext)
 324
 325 if test "$GHC" = ""; then
 326   AC_PATH_PROG(GHC,ghc)
 327 fi
 328 if test "$GHC" != ""; then
 329   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 330   AC_SUBST(GhcVersion)dnl
 331   AC_SUBST(GhcMajVersion)dnl
 332   AC_SUBST(GhcMinVersion)dnl
 333   AC_SUBST(GhcPatchLevel)dnl
 334 fi
 335
 336 AC_PATH_PROGS(NHC,nhc nhc98)
 337 AC_PATH_PROG(HBC,hbc)
 338
 339 dnl --------------------------------------------------------------
 340 dnl * Project specific configuration options
 341 dnl --------------------------------------------------------------
 342 dnl What follows is a bunch of options that can either be configured
 343 dnl through command line options to the configure script or by
 344 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 345 dnl use either is considered a Feature.
 346
 347 dnl ** What command to use to compile compiler sources ?
 348 dnl --------------------------------------------------------------
 349 AC_ARG_WITH(hc,
 350 [  --with-hc=<haskell compiler>
 351         Use a command different from 'ghc' to compile up Haskell code.
 352         (no claims currently made that this will work with a compiler other than a
 353          recent version of GHC, but you could always try...)
 354 ],
 355 [WithHc="$withval"],
 356 [WithHc=$GHC]
 357 )
 358 AC_SUBST(WithHc)
 359
 360 dnl ** Which gcc to use?
 361 dnl --------------------------------------------------------------
 362 AC_ARG_WITH(gcc,
 363 [  --with-gcc=<gcc command>
 364         Use a different command instead of 'gcc' for the GNU C compiler.
 365 ],
 366 [WhatGccIsCalled="$withval"],
 367 [WhatGccIsCalled="gcc"]
 368 )
 369 AC_SUBST(WhatGccIsCalled)
 370
 371 dnl ** Booting from .hc files?
 372 dnl --------------------------------------------------------------
 373 AC_ARG_ENABLE(hc-boot,
 374 [  --enable-hc-boot
 375         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 376         (This option is mostly of interest to porters.)
 377 ],
 378 [BootingFromHc=YES],
 379 [BootingFromHc=NO]
 380 )
 381 AC_SUBST(BootingFromHc)
 382
 383
 384 dnl ** Enable the construction of Win32 DLLs?
 385 dnl --------------------------------------------------------------
 386 AC_ARG_ENABLE(win32-dlls,
 387 [  --enable-win32-dlls
 388         If on a Win32 platform running mingw32/cygwin, enable the
 389         construction of DLLs containing ghc-compiled code.
 390 ],
 391 [
 392 case $HostOS_CPP in
 393 cygwin32) ;;
 394 mingw32)  ;;
 395 *)    echo "Unrecognised win32 platform: $HostPlatform"
 396       exit 1
 397       ;;
 398 esac
 399 EnableWin32DLLs=YES
 400 ],
 401 [EnableWin32DLLs=NO]
 402 )
 403 AC_SUBST(EnableWin32DLLs)
 404 if test x"$EnableWin32DLLs" = "xYES" ; then
 405  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 406 fi
 407
 408 dnl --------------------------------------------------------------
 409 dnl End of configure script option section
 410 dnl --------------------------------------------------------------
 411
 412
 413 dnl --------------------------------------------------------------
 414 dnl * General configuration checks
 415 dnl --------------------------------------------------------------
 416
 417 dnl ** does #! work?
 418 AC_SYS_INTERPRETER()
 419
 420 dnl ** look for `perl', but only in /bin on Windows
 421 case $HostOS_CPP in
 422 cygwin32|mingw32)
 423    AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 424    if test -z "$PerlCmd"; then
 425       echo "You must install the version of Perl shipped with GHC"
 426       echo "(or a compatible one) in /bin."
 427       exit 1
 428    fi
 429    ;;
 430 *)
 431    AC_PATH_PROG(PerlCmd,perl)
 432    if test -z "$PerlCmd"; then
 433       echo "You must install perl before you can continue"
 434       echo "Perhaps it is already installed, but not in your PATH?"
 435       exit 1
 436    else
 437    FPTOOLS_CHECK_PERL_VERSION
 438    fi
 439    ;;
 440 esac
 441
 442 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 443 FPTOOLS_SHEBANG_PERL
 444
 445
 446 dnl ** look for GCC and find out which version
 447 dnl     Figure out which C compiler to use.  Gcc is preferred.
 448 dnl     If gcc, make sure it's at least 2.1
 449 dnl
 450 AC_PROG_CC
 451 FPTOOLS_HAVE_GCC
 452
 453 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 454 AC_PROG_CPP
 455
 456 dnl ** figure out how to do context diffs
 457 FPTOOLS_PROG_DIFF
 458
 459 dnl ** Find find command (for Win32's benefit)
 460 AC_PATH_PROG(FindCmd, find)
 461
 462 dnl ** look for a decent parser generator (bison preferred)
 463 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 464 dnl  on the suitability of the 'yacc' returned.)
 465 FPTOOLS_PROG_YACCY
 466
 467 dnl ** Find lex command (lex or flex) and library (-ll or -lfl)
 468 dnl     ( not that we care about the latter, see mk/config.mk.in )
 469 AC_PROG_LEX
 470
 471
 472 dnl ** figure out how to do a BSD-ish install
 473 AC_PROG_INSTALL
 474
 475 dnl If you can run configure, you certainly have /bin/sh
 476 AC_DEFINE(HAVE_BIN_SH)
 477
 478 dnl ** how to invoke `ar' and `ranlib'
 479 FPTOOLS_PROG_AR_AND_RANLIB
 480
 481
 482 dnl ** Check to see whether ln -s works
 483 AC_PROG_LN_S
 484
 485
 486 dnl ** Find the path to sed
 487 AC_PATH_PROG(SedCmd,sed)
 488
 489
 490 dnl ** check for time command
 491 AC_PATH_PROG(TimeCmd,time)
 492
 493
 494 dnl ** check for tar
 495 dnl   if GNU tar is named gtar, look for it first.
 496 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 497
 498 dnl ** check for gzip/compress
 499 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 500
 501 dnl ** check for jade/openjade & determine a working catalog
 502 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 503 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 504                         /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl $hardtop/glafp-utils/docbook/CATALOG*)
 505 if test -z "$Catalog"; then
 506   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 507 fi
 508 AC_SUBST(Catalog)
 509
 510 compress_nm=`basename $CompressCmd`
 511 if test x"$compress_nm" = xgzip; then
 512   CompressCmd="$CompressCmd -d"
 513   CompressSuffix="gz"
 514 else
 515   CompressSuffix="Z"
 516 fi
 517 AC_SUBST(CompressCmd)
 518 AC_SUBST(CompressSuffix)
 519
 520 dnl ** check for installed happy binary + version
 521 dnl    (don't do it if we're booting from .hc files though.)
 522 if (test "$BootingFromHc" = "NO"); then
 523 FPTOOLS_HAPPY
 524 fi;
 525
 526 dnl --------------------------------------------------
 527 dnl ### program checking section ends here ###
 528 dnl --------------------------------------------------
 529
 530 dnl --------------------------------------------------
 531 dnl * Platform header file and syscall feature tests
 532 dnl ### checking the state of the local header files and syscalls ###
 533
 534 dnl ** check for full ANSI header (.h) files
 535 AC_HEADER_STDC
 536
 537 dnl ** check for specific header (.h) files that we are interested in
 538 AC_CHECK_HEADERS(Files.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.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 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/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)
 539
 540 AC_CHECK_HEADER(readline/readline.h, HaveReadlineReadlineH=YES, HaveReadlineReadlineH=NO)
 541 AC_CHECK_HEADER(readline/history.h, HaveReadlineHistoryH=YES, HaveReadlineHistoryH=NO)
 542
 543 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 544   HaveReadlineHeaders=YES
 545   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 546 else
 547   HaveReadlineHeaders=NO
 548   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 549 fi
 550 AC_SUBST(HaveReadlineHeaders)
 551
 552 dnl ** check for DOS include files
 553 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 554
 555 dnl ** check for Windows include files
 556 AC_CHECK_HEADERS(windows.h)
 557
 558 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 559 AC_HEADER_TIME
 560
 561 dnl dynamic loading include files
 562 AC_CHECK_HEADERS(dlfcn.h dl.h)
 563
 564 dnl ** check for farcalloc (in bcc)
 565 AC_CHECK_HEADER(alloc.h,AC_CHECK_FUNCS(farcalloc))
 566
 567 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 568 AC_CHECK_HEADER(malloc.h,AC_CHECK_FUNCS(valloc))
 569
 570 dnl ** how do we get a timezone name, and UTC offset ?
 571 AC_STRUCT_TIMEZONE
 572
 573 dnl ** what's the type of timezone?
 574 FPTOOLS_HAVE_TIMEZONE
 575 FPTOOLS_TYPE_TIMEZONE
 576
 577 dnl ** do we have altzone?
 578 FPTOOLS_ALTZONE
 579
 580 dnl ** does struct stat contain st_blksize?
 581 AC_STRUCT_ST_BLKSIZE
 582
 583 dnl ** do we have long longs?
 584 FPTOOLS_C_LONG_LONG
 585
 586 dnl ** what are the sizes of various types
 587 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 588 AC_CHECK_SIZEOF(char,               1)
 589 AC_CHECK_SIZEOF(double,             8)
 590 AC_CHECK_SIZEOF(float,              4)
 591 AC_CHECK_SIZEOF(int,                4)
 592 AC_CHECK_SIZEOF(long,               4)
 593 if test "$fptools_cv_have_long_long" = yes; then
 594 AC_CHECK_SIZEOF(long long,          8)
 595 fi
 596 AC_CHECK_SIZEOF(short,              2)
 597 AC_CHECK_SIZEOF(unsigned char,      1)
 598 AC_CHECK_SIZEOF(unsigned int,       4)
 599 AC_CHECK_SIZEOF(unsigned long,      4)
 600 if test "$fptools_cv_have_long_long" = yes; then
 601 AC_CHECK_SIZEOF(unsigned long long, 8)
 602 fi
 603 AC_CHECK_SIZEOF(unsigned short,     2)
 604 AC_CHECK_SIZEOF(void *,             4)
 605
 606 dnl ** what are alignment constraints on various types
 607 FPTOOLS_CHECK_ALIGNMENT(char)
 608 FPTOOLS_CHECK_ALIGNMENT(double)
 609 FPTOOLS_CHECK_ALIGNMENT(float)
 610 FPTOOLS_CHECK_ALIGNMENT(int)
 611 FPTOOLS_CHECK_ALIGNMENT(long)
 612 if test "$fptools_cv_have_long_long" = yes; then
 613 FPTOOLS_CHECK_ALIGNMENT(long long)
 614 fi
 615 FPTOOLS_CHECK_ALIGNMENT(short)
 616 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 617 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 618 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 619 if test "$fptools_cv_have_long_long" = yes; then
 620 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 621 fi
 622 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 623 FPTOOLS_CHECK_ALIGNMENT(void *)
 624
 625 dnl ** map standard C types and ISO types to Haskell types
 626 FPTOOLS_CHECK_HTYPE(char)
 627 FPTOOLS_CHECK_HTYPE(signed char)
 628 FPTOOLS_CHECK_HTYPE(unsigned char)
 629 FPTOOLS_CHECK_HTYPE(short)
 630 FPTOOLS_CHECK_HTYPE(unsigned short)
 631 FPTOOLS_CHECK_HTYPE(int)
 632 FPTOOLS_CHECK_HTYPE(unsigned int)
 633 FPTOOLS_CHECK_HTYPE(long)
 634 FPTOOLS_CHECK_HTYPE(unsigned long)
 635 if test "$fptools_cv_have_long_long" = yes; then
 636 FPTOOLS_CHECK_HTYPE(long long)
 637 FPTOOLS_CHECK_HTYPE(unsigned long long)
 638 fi
 639 FPTOOLS_CHECK_HTYPE(float)
 640 FPTOOLS_CHECK_HTYPE(double)
 641 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 642 FPTOOLS_CHECK_HTYPE(size_t)
 643 FPTOOLS_CHECK_HTYPE(wchar_t)
 644 dnl Int32 is a HACK for non-ISO C compilers
 645 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 646 FPTOOLS_CHECK_HTYPE(clock_t)
 647 FPTOOLS_CHECK_HTYPE(time_t)
 648
 649 dnl ** can we open files in binary mode?
 650 FPTOOLS_O_BINARY
 651
 652 dnl ** check for GetModuleFileName and WinExec (windows only)
 653 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 654 dnl Doesn't work because the linker can't see the functions if
 655 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 656
 657 FPTOOLS_TRY_LINK_NOWARN(,[
 658 #if HAVE_WINDOWS_H
 659 #include <windows.h>
 660 #endif
 661 main() {
 662   WinExec("",0);
 663   exit(0);
 664 }
 665 ],
 666 [have_winexec=1],
 667 [have_winexec=0])
 668 if test "$have_winexec" = "1"; then
 669 AC_DEFINE(HAVE_WINEXEC)
 670 fi
 671
 672 FPTOOLS_TRY_LINK_NOWARN(,[
 673 #if HAVE_WINDOWS_H
 674 #include <windows.h>
 675 #endif
 676 main() {
 677   char* dir;
 678   GetModuleFileName((HMODULE)0,dir,0);
 679   exit(0);
 680 }
 681 ],
 682 [have_getmodulefilename=1],
 683 [have_getmodulefilename=0])
 684 if test "$have_getmodulefilename" = "1"; then
 685 AC_DEFINE(HAVE_GETMODULEFILENAME)
 686 fi
 687
 688 dnl ** check return type of signal handlers
 689 dnl Foo: assumes we can use prototypes.
 690 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 691 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 692 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 693 dnl #include <signal.h>
 694 dnl #ifdef signal
 695 dnl #undef signal
 696 dnl #endif
 697 dnl void (*signal (int, void (*)(int)))(int);
 698 dnl ],
 699 dnl [int i;],
 700 dnl ac_cv_type_signal_handler=void_int,
 701 dnl ac_cv_type_signal_handler=int_void)])
 702 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 703 dnl AC_DEFINE(VOID_INT_SIGNALS)
 704 dnl fi
 705
 706 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 707 AC_TYPE_SIGNAL
 708 if test "$ac_cv_type_signal" = void; then
 709 AC_DEFINE(VOID_INT_SIGNALS)
 710 fi
 711
 712 dnl ** check for more functions
 713 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 714 AC_CHECK_FUNCS(strcmp)
 715 AC_CHECK_FUNCS(realpath _fullpath)
 716 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 717 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 718 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 719 AC_CHECK_FUNCS(snprintf  _snprintf )
 720 AC_CHECK_FUNCS(popen     _popen )
 721 AC_CHECK_FUNCS(pclose    _pclose )
 722
 723
 724 dnl ** check for specific library functions that we are interested in
 725 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat symlink sysconf timelocal times vadvise vfork)
 726
 727 dnl ** check whether this machine has gmp2 installed
 728 AC_CHECK_LIB(gmp,  mpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 729   AC_CHECK_LIB(gmp2, mpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp2,
 730     HaveLibGmp=No; LibGmp=not-installed))
 731 AC_SUBST(HaveLibGmp)
 732 AC_SUBST(LibGmp)
 733
 734 dnl ** check whether this machine has GNU regex in libc.
 735 FPTOOLS_REGEX_IN_LIBC
 736
 737 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
 738 dnl    the order of these tests matters: bfd needs liberty
 739 AC_CHECK_LIB(iberty, xmalloc)
 740 AC_CHECK_LIB(bfd,    bfd_init)
 741
 742 dnl ** check for readline, for Hugs and hslibs' Readline
 743 dnl ncurses supersedes termcap and curses, but for compatibility,
 744 dnl we have to check for all...
 745 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
 746   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
 747     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
 748       HaveLibTermcap=NO; LibTermcap=not-installed)))
 749
 750 if test $HaveLibTermcap = YES ; then
 751   LIBS="-l$LibTermcap $LIBS"
 752   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
 753 fi
 754
 755 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
 756   AC_DEFINE(HAVE_READLINE_LIBS,1)
 757   LibsReadline="-lreadline -l$LibTermcap"
 758 else
 759   AC_DEFINE(HAVE_READLINE_LIBS,0)
 760   LibsReadline=
 761 fi
 762 AC_SUBST(LibsReadline)
 763
 764 dnl ################################################################
 765 dnl Check for libraries
 766 dnl ################################################################
 767
 768 FPTOOLS_CHECK_LIB_NOWARN(dl, dlopen)
 769 FPTOOLS_CHECK_LIB_NOWARN(dld, shl_load)
 770 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
 771
 772 dnl --------------------------------------------------
 773 dnl * Miscellaneous feature tests
 774 dnl --------------------------------------------------
 775
 776 dnl ** can we get alloca?
 777 AC_FUNC_ALLOCA
 778
 779 dnl ** determine whether or not const works
 780 AC_C_CONST
 781
 782 dnl ** determine whether ANSI-function prototypes work?
 783 AC_C_PROTOTYPES
 784
 785 dnl ** are we big endian?
 786 AC_C_BIGENDIAN
 787 # Allay users' general fear of warnings of any kind.
 788 errprint((fptools configure script wizard sez: "don't worry, the above warning is harmless (to us.)")
 789 )
 790
 791 dnl ** check for leading underscores in symbol names
 792 FPTOOLS_UNDERSCORE
 793
 794 dnl ** how is the end of text section signalled?
 795 FPTOOLS_END_TEXT_SECTION
 796
 797 dnl ** how is the end of data section signalled?
 798 FPTOOLS_END_DATA_SECTION
 799
 800 dnl ** code before data?
 801 FPTOOLS_CODE_BEFORE_DATA
 802
 803 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )
 804
 805 echo ''
 806 echo '************************************************'
 807 echo '*** NOW DO: gmake boot followed by gmake all'
 808 echo '***         (where gmake == GNU make)'
 809 echo '************************************************'
 810 exit 0