configure.ac

   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)
   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 * 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.
  22 AC_PREREQ(2.52)
  23
  24 dnl * Declare subdirectories that have a private configure script
  25 dnl
  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
  28 dnl checks cheap.
  29 AC_CONFIG_SUBDIRS([ghc libraries])
  30
  31 # -------------------------------------------------------------------------
  32 # Prepare to generate the following header files
  33 #
  34 #
  35 AC_CONFIG_HEADER(mk/config.h)
  36
  37 # No, semi-sadly, we don't do `--srcdir'...
  38 if test x"$srcdir" != 'x.' ; then
  39     echo "This configuration does not support the \`--srcdir' option.."
  40     exit 1
  41 fi
  42
  43 dnl--------------------------------------------------------------------
  44 dnl * Choose host(/target/build) platform
  45 dnl--------------------------------------------------------------------
  46
  47 dnl Guess host/target/build platform(s) if necessary.
  48 AC_CANONICAL_SYSTEM
  49
  50 # "$host" defaults to "$target"
  51 if test "x$host" = xNONE ; then
  52     host=$target
  53 fi
  54
  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 $target` || exit 1
  59
  60 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  61     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  62     exit 1
  63 fi
  64
  65 exeext=''
  66 #
  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)
  70 # separately.
  71 case $HostPlatform in
  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'
  77         HostArch_CPP='alpha'
  78         HostVendor_CPP='dec'
  79         HostOS_CPP='osf1'
  80         ;;
  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'
  86         HostArch_CPP='alpha'
  87         HostVendor_CPP='dec'
  88         HostOS_CPP='osf3'
  89         ;;
  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'
  95         HostArch_CPP='alpha'
  96         HostVendor_CPP='unknown'
  97         HostOS_CPP='linux'
  98         ;;
  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'
 104         HostArch_CPP='alpha'
 105         HostVendor_CPP='unknown'
 106         HostOS_CPP='freebsd'
 107         ;;
 108 arm*-linux*)
 109         HostPlatform=arm-unknown-linux # hack again
 110         TargetPlatform=arm-unknown-linux
 111         BuildPlatform=arm-unknown-linux
 112         HostPlatform_CPP='arm_unknown_linux'
 113         HostArch_CPP='arm'
 114         HostVendor_CPP='unknown'
 115         HostOS_CPP='linux'
 116         ;;
 117 hppa*-*-linux*)
 118         HostPlatform=hppa-unknown-linux # hack again
 119         TargetPlatform=hppa-unknown-linux
 120         BuildPlatform=hppa-unknown-linux
 121         HostPlatform_CPP='hppa_unknown_linux'
 122         HostArch_CPP='hppa'
 123         HostVendor_CPP='unknown'
 124         HostOS_CPP='linux'
 125         ;;
 126 hppa1.1-hp-hpux*)
 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'
 132         HostVendor_CPP='hp'
 133         HostOS_CPP='hpux'
 134         ;;
 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'
 140         HostArch_CPP='i386'
 141         HostVendor_CPP='unknown'
 142         HostOS_CPP='linuxaout'
 143         ;;
 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'
 149         HostArch_CPP='i386'
 150         HostVendor_CPP='unknown'
 151         HostOS_CPP='linux'
 152         ;;
 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'
 158         HostArch_CPP='i386'
 159         HostVendor_CPP='unknown'
 160         HostOS_CPP='freebsd'
 161         ;;
 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'
 167         HostArch_CPP='i386'
 168         HostVendor_CPP='unknown'
 169         HostOS_CPP='freebsd2'
 170         ;;
 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'
 176         HostArch_CPP='i386'
 177         HostVendor_CPP='unknown'
 178         HostOS_CPP='netbsd'
 179         ;;
 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'
 185         HostArch_CPP='i386'
 186         HostVendor_CPP='unknown'
 187         HostOS_CPP='openbsd'
 188         ;;
 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'
 194         HostArch_CPP='i386'
 195         HostVendor_CPP='unknown'
 196         HostOS_CPP='solaris2'
 197         ;;
 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'
 203         HostArch_CPP='i386'
 204         HostVendor_CPP='unknown'
 205         HostOS_CPP='cygwin32'
 206         exeext='.exe'
 207         ;;
 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'
 213         HostArch_CPP='i386'
 214         HostVendor_CPP='unknown'
 215         HostOS_CPP='mingw32'
 216         exeext='.exe'
 217         ;;
 218 ia64-*-linux*)
 219         HostPlatform=ia64-unknown-linux # hack again
 220         TargetPlatform=ia64-unknown-linux
 221         BuildPlatform=ia64-unknown-linux
 222         HostPlatform_CPP='ia64_unknown_linux'
 223         HostArch_CPP='ia64'
 224         HostVendor_CPP='unknown'
 225         HostOS_CPP='linux'
 226         ;;
 227 x86_64-*-linux*)
 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'
 234         HostOS_CPP='linux'
 235         ;;
 236 m68k-*-linux*)
 237         HostPlatform=m68k-unknown-linux # hack again
 238         TargetPlatform=m68k-unknown-linux
 239         BuildPlatform=m68k-unknown-linux
 240         HostPlatform_CPP='m68k_unknown_linux'
 241         HostArch_CPP='m68k'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='linux'
 244         ;;
 245 m68k-next-nextstep2)
 246         HostPlatform_CPP='m68k_next_nextstep2'
 247         HostArch_CPP='m68k'
 248         HostVendor_CPP='next'
 249         HostOS_CPP='nextstep2'
 250         ;;
 251 m68k-next-nextstep3)
 252         HostPlatform_CPP='m68k_next_nextstep3'
 253         HostArch_CPP='m68k'
 254         HostVendor_CPP='next'
 255         HostOS_CPP='nextstep3'
 256         ;;
 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'
 262         HostArch_CPP='i386'
 263         HostVendor_CPP='next'
 264         HostOS_CPP='nextstep3'
 265         ;;
 266 m68k-*-openbsd*)
 267         HostPlatform=m68k-unknown-openbsd
 268         TargetPlatform=m68k-unknown-openbsd
 269         BuildPlatform=m68k-unknown-openbsd
 270         HostPlatform_CPP='m68k_unknown_openbsd'
 271         HostArch_CPP='m68k'
 272         HostVendor_CPP='unknown'
 273         HostOS_CPP='openbsd'
 274         ;;
 275 m68k-*-netbsd*)
 276         HostPlatform=m68k-unknown-netbsd
 277         TargetPlatform=m68k-unknown-netbsd
 278         BuildPlatform=m68k-unknown-netbsd
 279         HostPlatform_CPP='m68k_unknown_netbsd'
 280         HostArch_CPP='m68k'
 281         HostVendor_CPP='unknown'
 282         HostOS_CPP='netbsd'
 283         ;;
 284 m68k-sun-sunos4*)
 285         HostPlatform=m68k-sun-sunos4
 286         TargetPlatform=m68k-sun-sunos4 #hack
 287         BuildPlatform=m68k-sun-sunos4 #hack
 288         HostPlatform_CPP='m68k_sun_sunos4'
 289         HostArch_CPP='m68k'
 290         HostVendor_CPP='sun'
 291         HostOS_CPP='sunos4'
 292         ;;
 293 mips-*-linux*)
 294         HostPlatform=mips-unknown-linux # hack again
 295         TargetPlatform=mips-unknown-linux
 296         BuildPlatform=mips-unknown-linux
 297         HostPlatform_CPP='mips_unknown_linux'
 298         HostArch_CPP='mips'
 299         HostVendor_CPP='unknown'
 300         HostOS_CPP='linux'
 301         ;;
 302 mips-dec-ultrix*)
 303         HostPlatform_CPP='mips_dec_ultrix'
 304         HostArch_CPP='mipsel'   # NB a little different
 305         HostVendor_CPP='dec'
 306         HostOS_CPP='ultrix'
 307         ;;
 308 mips-sgi-irix*)
 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
 314         HostVendor_CPP='sgi'
 315         HostOS_CPP='irix'
 316         ;;
 317 rs6000-ibm-aix*)
 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'
 323         HostVendor_CPP='ibm'
 324         HostOS_CPP='aix'
 325         ;;
 326 powerpc-ibm-aix*)
 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'
 332         HostVendor_CPP='ibm'
 333         HostOS_CPP='aix'
 334         ;;
 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'
 342         HostOS_CPP='darwin'
 343         ;;
 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'
 351         HostOS_CPP='linux'
 352         ;;
 353 s390-ibm-linux*)
 354        HostPlatform=s390-ibm-linux
 355        TargetPlatform=s390-ibm-linux #hack
 356        BuildPlatform=s390-ibm-linux #hack
 357         HostPlatform_CPP='s390_ibm_linux'
 358         HostArch_CPP='s390'
 359         HostVendor_CPP='ibm'
 360         HostOS_CPP='linux'
 361         ;;
 362 sparc-sun-sunos4*)
 363         HostPlatform=sparc-sun-sunos4
 364         TargetPlatform=sparc-sun-sunos4 #hack
 365         BuildPlatform=sparc-sun-sunos4 #hack
 366         HostPlatform_CPP='sparc_sun_sunos4'
 367         HostArch_CPP='sparc'
 368         HostVendor_CPP='sun'
 369         HostOS_CPP='sunos4'
 370         ;;
 371 sparc-sun-solaris2*)
 372         HostPlatform=sparc-sun-solaris2
 373         TargetPlatform=sparc-sun-solaris2 #hack
 374         BuildPlatform=sparc-sun-solaris2 #hack
 375         HostPlatform_CPP='sparc_sun_solaris2'
 376         HostArch_CPP='sparc'
 377         HostVendor_CPP='sun'
 378         HostOS_CPP='solaris2'
 379         ;;
 380 sparc*-linux*)
 381         HostPlatform=sparc-unknown-linux
 382         TargetPlatform=sparc-unknown-linux
 383         BuildPlatform=sparc-unknown-linux
 384         HostPlatform_CPP='sparc_unknown_linux'
 385         HostArch_CPP='sparc'
 386         HostVendor_CPP='unknown'
 387         HostOS_CPP='linux'
 388         ;;
 389 sparc-*-openbsd*)
 390         HostPlatform=sparc-unknown-openbsd
 391         TargetPlatform=sparc-unknown-openbsd
 392         BuildPlatform=sparc-unknown-openbsd
 393         HostPlatform_CPP='sparc_unknown_openbsd'
 394         HostArch_CPP='sparc'
 395         HostVendor_CPP='unknown'
 396         HostOS_CPP='openbsd'
 397         ;;
 398 *)
 399         echo "Unrecognised platform: $HostPlatform"
 400         exit 1
 401         ;;
 402 esac
 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 $BuildPlatform"
 406
 407 BuildPlatform_CPP=$HostPlatform_CPP
 408 TargetPlatform_CPP=$HostPlatform_CPP
 409 BuildArch_CPP=$HostArch_CPP
 410 TargetArch_CPP=$HostArch_CPP
 411 BuildOS_CPP=$HostOS_CPP
 412 HostOS_Full=$host_os
 413 TargetOS_CPP=$HostOS_CPP
 414 BuildVendor_CPP=$HostVendor_CPP
 415 TargetVendor_CPP=$HostVendor_CPP
 416
 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)
 423
 424 AC_SUBST(HostArch_CPP)
 425 AC_SUBST(BuildArch_CPP)
 426 AC_SUBST(TargetArch_CPP)
 427
 428 AC_SUBST(HostOS_CPP)
 429 AC_SUBST(HostOS_Full)
 430 AC_SUBST(BuildOS_CPP)
 431 AC_SUBST(TargetOS_CPP)
 432
 433 AC_SUBST(HostVendor_CPP)
 434 AC_SUBST(BuildVendor_CPP)
 435 AC_SUBST(TargetVendor_CPP)
 436
 437 AC_SUBST(exeext)
 438
 439 dnl --------------------------------------------------------------
 440 dnl * Calculate absolute path to build tree
 441 dnl --------------------------------------------------------------
 442
 443 AC_MSG_CHECKING(for path to top of build tree)
 444
 445 hardtop=`pwd`
 446
 447 dnl Remove common automounter nonsense
 448 dnl
 449 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 450
 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).
 452 dnl
 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 ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 459         ;;
 460   *)
 461         hardtop_plat=${hardtop}
 462         ;;
 463 esac
 464 AC_SUBST(hardtop)
 465 AC_SUBST(hardtop_plat)
 466
 467 AC_MSG_RESULT(${hardtop})
 468
 469 dnl --------------------------------------------------------------
 470 dnl * Project specific configuration options
 471 dnl --------------------------------------------------------------
 472 dnl What follows is a bunch of options that can either be configured
 473 dnl through command line options to the configure script or by
 474 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 475 dnl use either is considered a Feature.
 476
 477 dnl ** What command to use to compile compiler sources ?
 478 dnl --------------------------------------------------------------
 479
 480 AC_ARG_WITH(ghc,
 481 [  --with-ghc=<haskell compiler>
 482         Use a command different from 'ghc' to compile GHC-specific Haskell code
 483             (including GHC itself).
 484 ],
 485 [ WithGhc="$withval" ],
 486 [
 487   if test "$GHC" = ""; then
 488     AC_PATH_PROG(GHC,ghc)
 489   fi
 490   WithGhc=$GHC
 491 ]
 492 )
 493 AC_SUBST(WithGhc)
 494
 495 AC_ARG_WITH(hc,
 496 [  --with-hc=<haskell compiler>
 497         Use a command different from 'ghc' to compile generic Haskell code.
 498 ],
 499 [WithHc="$withval"],
 500 [WithHc=$WithGhc]
 501 )
 502 AC_SUBST(WithHc)
 503
 504 if test "$WithGhc" != ""; then
 505   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 506   AC_SUBST(GhcVersion)dnl
 507   AC_SUBST(GhcMajVersion)dnl
 508   AC_SUBST(GhcMinVersion)dnl
 509   AC_SUBST(GhcPatchLevel)dnl
 510 fi
 511
 512 AC_PATH_PROGS(NHC,nhc nhc98)
 513 AC_PATH_PROG(HBC,hbc)
 514
 515 dnl ** Which gcc to use?
 516 dnl --------------------------------------------------------------
 517 AC_ARG_WITH(gcc,
 518 [  --with-gcc=<gcc command>
 519         Use a different command instead of 'gcc' for the GNU C compiler.
 520 ],
 521 [WhatGccIsCalled="$withval"
 522  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
 523     # Canonicalise to <drive>:/path/to/gcc
 524     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 525  fi;
 526  CC="$withval"],
 527 [WhatGccIsCalled="gcc"]
 528 )
 529 AC_SUBST(WhatGccIsCalled)
 530
 531 dnl ** Booting from .hc files?
 532 dnl --------------------------------------------------------------
 533 AC_ARG_ENABLE(hc-boot,
 534 [  --enable-hc-boot
 535         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 536         (This option is mostly of interest to porters.)
 537 ],
 538 [BootingFromHc=YES],
 539 [BootingFromHc=NO]
 540 )
 541 AC_SUBST(BootingFromHc)
 542
 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.)
 550 ],
 551 [BootingFromUnregisterisedHc=YES],
 552 [BootingFromUnregisterisedHc=NO]
 553 )
 554 AC_SUBST(BootingFromUnregisterisedHc)
 555
 556 if test "$BootingFromHc" = "NO"; then
 557 if test "$BootingFromUnregisterisedHc" = "YES"; then
 558 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 559 fi;
 560 fi;
 561
 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.])
 565 fi;
 566
 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.
 572 ],
 573 [ThreadedRts=YES],
 574 [ThreadedRts=NO]
 575 )
 576 AC_SUBST(ThreadedRts)
 577
 578 dnl ** Enable the construction of Win32 DLLs?
 579 dnl --------------------------------------------------------------
 580 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.) ]
 588 dnl
 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.
 593 dnl ],
 594 dnl [
 595 dnl case $HostOS_CPP in
 596 dnl cygwin32) ;;
 597 dnl mingw32)  ;;
 598 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 599 dnl       exit 1
 600 dnl       ;;
 601 dnl esac
 602 dnl EnableWin32DLLs=YES
 603 dnl ],
 604 dnl [EnableWin32DLLs=NO]
 605 dnl )
 606 dnl AC_SUBST(EnableWin32DLLs)
 607 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 608 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 609 dnl fi
 610
 611 dnl ** Enable the building of the ObjectIO?
 612 dnl --------------------------------------------------------------
 613 AC_ARG_ENABLE(objectio,
 614 [  --enable-objectio
 615         Build ObjectIO, a portable GUI library for Haskell.
 616 ],
 617 [GhcLibsWithObjectIO=YES],
 618 [GhcLibsWithObjectIO=NO]
 619 )
 620 AC_SUBST(GhcLibsWithObjectIO)
 621
 622 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 623 dnl --------------------------------------------------------------
 624 AC_ARG_ENABLE(hopengl,
 625 [  --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.
 629 ],
 630 [GhcLibsWithHOpenGL=YES],
 631 [GhcLibsWithHOpenGL=NO]
 632 )
 633 UseQuartzOpenGL=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])
 638     UseQuartzOpenGL=YES
 639   fi
 640 fi
 641
 642 AC_SUBST(GhcLibsWithHOpenGL)
 643
 644 dnl ** .NET interop support?
 645 dnl --------------------------------------------------------------
 646 AC_ARG_ENABLE(dotnet,
 647 [  --enable-dotnet
 648         Build .NET interop layer.
 649 ],
 650 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
 651 [DotnetSupport=NO]
 652 )
 653 AC_SUBST(DotnetSupport)
 654
 655 dnl --------------------------------------------------------------
 656 dnl End of configure script option section
 657 dnl --------------------------------------------------------------
 658
 659
 660 dnl --------------------------------------------------------------
 661 dnl * General configuration checks
 662 dnl --------------------------------------------------------------
 663
 664 dnl ** does #! work?
 665 AC_SYS_INTERPRETER()
 666
 667 dnl ** look for `perl', but only in /bin on Windows
 668 case $HostOS_CPP in
 669 cygwin32|mingw32)
 670       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 671       if test -z "$PerlCmd"; then
 672          echo "You must install the version of Perl shipped with GHC"
 673          echo "(or a compatible one) in /bin."
 674          exit 1
 675       fi
 676    ;;
 677 *)
 678    AC_PATH_PROG(PerlCmd,perl)
 679    if test -z "$PerlCmd"; then
 680       echo "You must install perl before you can continue"
 681       echo "Perhaps it is already installed, but not in your PATH?"
 682       exit 1
 683    else
 684    FPTOOLS_CHECK_PERL_VERSION
 685    fi
 686    ;;
 687 esac
 688
 689 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 690 FPTOOLS_SHEBANG_PERL
 691
 692 dnl ** check for Python
 693 AC_PATH_PROG(PythonCmd,python)
 694
 695 dnl ** look for GCC and find out which version
 696 dnl     Figure out which C compiler to use.  Gcc is preferred.
 697 dnl     If gcc, make sure it's at least 2.1
 698 dnl
 699 AC_PROG_CC
 700 FPTOOLS_HAVE_GCC
 701 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 702
 703 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 704 AC_PROG_CPP
 705
 706 dnl ** Without optimization some INLINE trickery fails for GHCi
 707 SRC_CC_OPTS="-O"
 708
 709 dnl ** Try to add -mno-cygwin to the C compiler options
 710 FP_CHECK_FLAG([-mno-cygwin], [
 711 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 712 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 713 AC_SUBST(SRC_CC_OPTS)
 714
 715 dnl ** figure out how to do context diffs
 716 FP_PROG_CONTEXT_DIFF
 717
 718 dnl ** Find find command (for Win32's benefit)
 719 FP_PROG_FIND
 720
 721 dnl ** figure out how to do a BSD-ish install
 722 AC_PROG_INSTALL
 723
 724 dnl If you can run configure, you certainly have /bin/sh
 725 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 726
 727 dnl ** how to invoke `ar' and `ranlib'
 728 FPTOOLS_PROG_AR_AND_RANLIB
 729
 730 dnl ** Check to see whether ln -s works
 731 AC_PROG_LN_S
 732
 733
 734 dnl ** Find the path to sed
 735 AC_PATH_PROG(SedCmd,sed)
 736
 737
 738 dnl ** check for time command
 739 AC_PATH_PROG(TimeCmd,time)
 740
 741 dnl ** check for tar
 742 dnl   if GNU tar is named gtar, look for it first.
 743 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 744
 745 dnl ** check for jade/openjade & determine a working catalog
 746 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 747 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 748                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 749 if test -z "$Catalog"; then
 750   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 751 fi
 752 case $Catalog in
 753    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 754         Catalog=
 755         ;;
 756    glafp*)
 757         case $HostOS_CPP in
 758            mingw32)
 759               Catalog=`cygpath -w $hardtop/$Catalog`
 760               ;;
 761            *) Catalog=$hardtop/$Catalog
 762               ;;
 763         esac
 764    ;;
 765 esac
 766 AC_SUBST(Catalog)
 767
 768
 769 dnl ** check for ghc-pkg command
 770 changequote(, )dnl
 771 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 772 changequote([, ])dnl
 773 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 774    GhcPkgCmd=$ghc_pkg_guess
 775    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 776 else
 777    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 778 fi
 779
 780 AC_ARG_WITH(greencard,
 781 [  --with-greencard=<greencard compiler>
 782         Use a command different from 'greencard' to compile GreenCard files
 783 ],
 784 [
 785 GreenCardCmd=$withval;
 786 FPTOOLS_GREENCARD(3.00)
 787 ]
 788 )
 789
 790 AC_ARG_ENABLE(src-tree-happy,
 791 [  --enable-src-tree-happy
 792         Build and use source tree (fptools/happy) version of Happy.
 793 ],
 794 [UseSrcTreeHappy=YES],
 795 [UseSrcTreeHappy=NO]
 796 )
 797 dnl ** check for installed happy binary + version
 798 dnl    (don't do it if we're booting from .hc files though.)
 799 if test "$BootingFromHc" = "NO"; then
 800 FPTOOLS_HAPPY
 801 fi;
 802
 803 AC_ARG_ENABLE(src-tree-haddock,
 804 [  --enable-src-tree-haddock
 805         Build and use source tree (fptools/haddock) version of Haddock.
 806 ],
 807 [UseSrcTreeHaddock=YES],
 808 [UseSrcTreeHaddock=NO]
 809 )
 810 dnl ** check for installed haddock
 811 FPTOOLS_HADDOCK
 812
 813 AC_ARG_ENABLE(src-tree-alex,
 814 [  --enable-src-tree-alex
 815         Build and use source tree (fptools/alex) version of Alex.
 816 ],
 817 [UseSrcTreeAlex=YES],
 818 [UseSrcTreeAlex=NO]
 819 )
 820 dnl ** check for installed alex binary + version
 821 dnl    (don't do it if we're booting from .hc files though.)
 822 if test "$BootingFromHc" = "NO"; then
 823 FPTOOLS_ALEX
 824 fi;
 825
 826 dnl --------------------------------------------------
 827 dnl ### program checking section ends here ###
 828 dnl --------------------------------------------------
 829
 830 dnl --------------------------------------------------
 831 dnl * Platform header file and syscall feature tests
 832 dnl ### checking the state of the local header files and syscalls ###
 833
 834 dnl ** check for full ANSI header (.h) files
 835 AC_HEADER_STDC
 836
 837 dnl ** Enable large file support.  NB. do this before testing the type of
 838 dnl    off_t, because it will affect the result of that test.
 839 AC_SYS_LARGEFILE
 840
 841 dnl ** check for specific header (.h) files that we are interested in
 842 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)
 843 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 844
 845 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 846 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 847
 848 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 849   HaveReadlineHeaders=YES
 850   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 851 else
 852   HaveReadlineHeaders=NO
 853   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 854 fi
 855 AC_SUBST(HaveReadlineHeaders)
 856
 857 dnl ** check for DOS include files
 858 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 859
 860 dnl ** check for Windows include files
 861 AC_CHECK_HEADERS(windows.h)
 862
 863 dnl ** check for OpenGL include files
 864 if test $UseQuartzOpenGL = YES ; then
 865   AC_CHECK_HEADERS(OpenGL/gl.h)
 866 else
 867   AC_CHECK_HEADERS(GL/gl.h)
 868 fi
 869
 870 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 871 AC_HEADER_TIME
 872
 873 dnl dynamic loading include files
 874 AC_CHECK_HEADERS(dlfcn.h dl.h)
 875
 876 dnl ** check for farcalloc (in bcc)
 877 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 878
 879 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 880 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 881
 882 dnl ** check for POSIX regex
 883 HavePosixRegex=NO
 884 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 885 AC_SUBST(HavePosixRegex)
 886
 887 dnl ** how do we get a timezone name, and UTC offset ?
 888 AC_STRUCT_TIMEZONE
 889
 890 dnl ** do we have altzone?
 891 FP_DECL_ALTZONE
 892
 893 dnl ** does struct stat contain st_blksize?
 894 AC_STRUCT_ST_BLKSIZE
 895
 896 dnl ** do we have long longs?
 897 AC_CHECK_TYPES([long long])
 898
 899 dnl ** check what fields struct msghdr contains
 900 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
 901 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
 902 # include <sys/types.h>
 903 #endif
 904 #if HAVE_SYS_SOCKET_H
 905 # include <sys/socket.h>
 906 #endif
 907 #if HAVE_SYS_UIO_H
 908 # include <sys/uio.h>
 909 #endif])
 910
 911 dnl ** what are the sizes of various types
 912 AC_CHECK_SIZEOF(char,               1)
 913 AC_CHECK_SIZEOF(double,             8)
 914 AC_CHECK_SIZEOF(float,              4)
 915 AC_CHECK_SIZEOF(int,                4)
 916 AC_CHECK_SIZEOF(long,               4)
 917 if test "$ac_cv_type_long_long" = yes; then
 918 AC_CHECK_SIZEOF(long long,          8)
 919 fi
 920 AC_CHECK_SIZEOF(short,              2)
 921 AC_CHECK_SIZEOF(unsigned char,      1)
 922 AC_CHECK_SIZEOF(unsigned int,       4)
 923 AC_CHECK_SIZEOF(unsigned long,      4)
 924 if test "$ac_cv_type_long_long" = yes; then
 925 AC_CHECK_SIZEOF(unsigned long long, 8)
 926 fi
 927 AC_CHECK_SIZEOF(unsigned short,     2)
 928 AC_CHECK_SIZEOF(void *,             4)
 929
 930 dnl ** what are alignment constraints on various types
 931 FP_CHECK_ALIGNMENT(char)
 932 FP_CHECK_ALIGNMENT(double)
 933 FP_CHECK_ALIGNMENT(float)
 934 FP_CHECK_ALIGNMENT(int)
 935 FP_CHECK_ALIGNMENT(long)
 936 if test "$ac_cv_type_long_long" = yes; then
 937 FP_CHECK_ALIGNMENT(long long)
 938 fi
 939 FP_CHECK_ALIGNMENT(short)
 940 FP_CHECK_ALIGNMENT(unsigned char)
 941 FP_CHECK_ALIGNMENT(unsigned int)
 942 FP_CHECK_ALIGNMENT(unsigned long)
 943 if test "$ac_cv_type_long_long" = yes; then
 944 FP_CHECK_ALIGNMENT(unsigned long long)
 945 fi
 946 FP_CHECK_ALIGNMENT(unsigned short)
 947 FP_CHECK_ALIGNMENT(void *)
 948
 949 dnl ** map standard C types and ISO types to Haskell types
 950 FPTOOLS_CHECK_HTYPE(char)
 951 FPTOOLS_CHECK_HTYPE(signed char)
 952 FPTOOLS_CHECK_HTYPE(unsigned char)
 953 FPTOOLS_CHECK_HTYPE(short)
 954 FPTOOLS_CHECK_HTYPE(unsigned short)
 955 FPTOOLS_CHECK_HTYPE(int)
 956 FPTOOLS_CHECK_HTYPE(unsigned int)
 957 FPTOOLS_CHECK_HTYPE(long)
 958 FPTOOLS_CHECK_HTYPE(unsigned long)
 959 if test "$ac_cv_type_long_long" = yes; then
 960 FPTOOLS_CHECK_HTYPE(long long)
 961 FPTOOLS_CHECK_HTYPE(unsigned long long)
 962 fi
 963 FPTOOLS_CHECK_HTYPE(float)
 964 FPTOOLS_CHECK_HTYPE(double)
 965 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 966 FPTOOLS_CHECK_HTYPE(size_t)
 967 FPTOOLS_CHECK_HTYPE(wchar_t)
 968 dnl Int32 is a HACK for non-ISO C compilers
 969 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 970 FPTOOLS_CHECK_HTYPE(clock_t)
 971 FPTOOLS_CHECK_HTYPE(time_t)
 972 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 973 FPTOOLS_CHECK_HTYPE(ino_t)
 974 FPTOOLS_CHECK_HTYPE(mode_t)
 975 FPTOOLS_CHECK_HTYPE(off_t)
 976 FPTOOLS_CHECK_HTYPE(pid_t)
 977 FPTOOLS_CHECK_HTYPE(gid_t)
 978 FPTOOLS_CHECK_HTYPE(uid_t)
 979 FPTOOLS_CHECK_HTYPE(cc_t)
 980 FPTOOLS_CHECK_HTYPE(speed_t)
 981 FPTOOLS_CHECK_HTYPE(tcflag_t)
 982 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 983 FPTOOLS_CHECK_HTYPE(nlink_t)
 984 FPTOOLS_CHECK_HTYPE(ssize_t)
 985 FPTOOLS_CHECK_HTYPE(rlim_t)
 986 FPTOOLS_CHECK_HTYPE(wint_t)
 987
 988 dnl ** Map OpenGL data types to Haskell types
 989 if test $GhcLibsWithHOpenGL = YES ; then
 990 FPTOOLS_CHECK_HTYPE(GLboolean)
 991 FPTOOLS_CHECK_HTYPE(GLbyte)
 992 FPTOOLS_CHECK_HTYPE(GLubyte)
 993 FPTOOLS_CHECK_HTYPE(GLshort)
 994 FPTOOLS_CHECK_HTYPE(GLushort)
 995 FPTOOLS_CHECK_HTYPE(GLint)
 996 FPTOOLS_CHECK_HTYPE(GLuint)
 997 FPTOOLS_CHECK_HTYPE(GLsizei)
 998 FPTOOLS_CHECK_HTYPE(GLenum)
 999 FPTOOLS_CHECK_HTYPE(GLbitfield)
1000 FPTOOLS_CHECK_HTYPE(GLfloat)
1001 FPTOOLS_CHECK_HTYPE(GLclampf)
1002 FPTOOLS_CHECK_HTYPE(GLdouble)
1003 FPTOOLS_CHECK_HTYPE(GLclampd)
1004 fi
1005
1006 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>
1007 #include <errno.h>])
1008
1009 dnl ** can we open files in binary mode?
1010 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1011
1012 dnl ** check for GetModuleFileName and WinExec (windows only)
1013 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
1014 dnl Doesn't work because the linker can't see the functions if
1015 dnl you omit the #include <windows.h>.  (I've no idea why not...)
1016
1017 FPTOOLS_TRY_LINK_NOWARN(,[
1018 #if HAVE_WINDOWS_H
1019 #include <windows.h>
1020 #endif
1021 main() {
1022   WinExec("",0);
1023   exit(0);
1024 }
1025 ],
1026 [have_winexec=1],
1027 [have_winexec=0])
1028 if test "$have_winexec" = "1"; then
1029   AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
1030 fi
1031
1032 FPTOOLS_TRY_LINK_NOWARN(,[
1033 #if HAVE_WINDOWS_H
1034 #include <windows.h>
1035 #endif
1036 main() {
1037   char* dir;
1038   GetModuleFileName((HMODULE)0,dir,0);
1039   exit(0);
1040 }
1041 ],
1042 [have_getmodulefilename=1],
1043 [have_getmodulefilename=0])
1044 if test "$have_getmodulefilename" = "1"; then
1045 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
1046 fi
1047
1048 dnl ** check return type of signal handlers
1049 dnl Foo: assumes we can use prototypes.
1050 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1051 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1052 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1053 dnl #include <signal.h>
1054 dnl #ifdef signal
1055 dnl #undef signal
1056 dnl #endif
1057 dnl void (*signal (int, void (*)(int)))(int);
1058 dnl ],
1059 dnl [int i;],
1060 dnl ac_cv_type_signal_handler=void_int,
1061 dnl ac_cv_type_signal_handler=int_void)])
1062 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1063 dnl AC_DEFINE(VOID_INT_SIGNALS)
1064 dnl fi
1065
1066 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1067 AC_TYPE_SIGNAL
1068 if test "$ac_cv_type_signal" = void; then
1069   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1070 fi
1071
1072 dnl ** check for more functions
1073 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1074 AC_CHECK_FUNCS(strcmp)
1075 AC_CHECK_FUNCS(realpath _fullpath)
1076 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1077 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1078 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1079 AC_CHECK_FUNCS(snprintf  _snprintf )
1080 AC_CHECK_FUNCS(popen     _popen )
1081 AC_CHECK_FUNCS(pclose    _pclose )
1082 AC_CHECK_FUNCS(setenv unsetenv)
1083
1084
1085 dnl ** check for specific library functions that we are interested in
1086 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1087
1088 dnl ** Solaris2 needs additionl flag for getpw*_r()
1089 case "$TargetPlatform" in
1090   *-solaris2*)
1091     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1092     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1093   ;;
1094 esac
1095
1096 dnl ** check whether this machine has gmp3 installed
1097 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1098   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1099     HaveLibGmp=NO; LibGmp=not-installed))
1100 AC_SUBST(HaveLibGmp)
1101 AC_SUBST(LibGmp)
1102
1103 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1104 HaveFrameworkHaskellSupport=NO
1105 if test $HostPlatform = "powerpc-apple-darwin"; then
1106  AC_MSG_CHECKING([for HaskellSupport.framework])
1107  save_libs="$LIBS"
1108  LIBS="-framework HaskellSupport"
1109  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1110  if test $HaveFrameworkHaskellSupport = YES; then
1111   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1112  fi;
1113  LIBS="$save_libs"
1114  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1115 fi;
1116 AC_SUBST(HaveFrameworkHaskellSupport)
1117
1118 dnl ** check for mingwex library
1119 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1120 AC_SUBST(HaveLibMingwEx)
1121
1122 if test $HaveLibMingwEx = YES ; then
1123   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1124 fi
1125
1126 if test "$HaveLibGmp" = "NO"; then
1127 if test "$HostArch_CPP" = "ia64"; then
1128 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1129 fi;
1130 fi;
1131
1132 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1133 dnl    the order of these tests matters: bfd needs liberty
1134 AC_CHECK_LIB(iberty, xmalloc)
1135 AC_CHECK_LIB(bfd,    bfd_init)
1136
1137 dnl ** check for wide-char classifications
1138 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1139 dnl functions if it's really there.
1140 AC_CHECK_HEADERS(wctype.h,
1141   [AC_CHECK_FUNCS(iswspace)]
1142 )
1143
1144 dnl ** check for readline, for Hugs and hslibs' Readline
1145 dnl ncurses supersedes termcap and curses, but for compatibility,
1146 dnl we have to check for all...
1147 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1148   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1149     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1150       HaveLibTermcap=NO; LibTermcap=not-installed)))
1151
1152 if test $HaveLibTermcap = YES ; then
1153   LIBS="-l$LibTermcap $LIBS"
1154   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1155 fi
1156
1157 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1158   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1159   LibsReadline="readline $LibTermcap"
1160 else
1161   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1162   LibsReadline=
1163 fi
1164 AC_SUBST(LibsReadline)
1165
1166 if test "$HaveLibReadline"; then
1167   AC_CHECK_LIB(readline, rl_erase_empty_line,
1168     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1169     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1170   AC_CHECK_LIB(readline, rl_free_undo_list,
1171     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1172     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1173 else
1174   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1175   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1176 fi
1177
1178 dnl ** check for math library
1179 FPTOOLS_CHECK_LIBM()
1180 AC_SUBST(LIBM)
1181
1182 dnl ** check for X Window System
1183 AC_PATH_XTRA()
1184
1185 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1186 if test $GhcLibsWithHOpenGL = YES ; then
1187   if test $UseQuartzOpenGL = YES ; then
1188     dnl Take a shortcut for Mac OS X native OpenGL:
1189     dnl It's in a non-standard location, but it's always there
1190     GL_CFLAGS=
1191         GL_LIBS=
1192         GLUT_LIBS=
1193         AC_SUBST(GL_CFLAGS)
1194         AC_SUBST(GL_LIBS)
1195         AC_SUBST(GLUT_LIBS)
1196   else
1197     FPTOOLS_HAVE_OPENGL
1198   fi
1199 fi
1200
1201 dnl ################################################################
1202 dnl Check for libraries
1203 dnl ################################################################
1204
1205 dnl ** check for libdl & RTLD_NEXT
1206
1207 dnl (Mac OS X only) ... but don't check if we already have the
1208 dnl HaskellSupport.framework
1209
1210 if test $HaveFrameworkHaskellSupport = YES; then
1211     HaveLibDL=NO
1212     HaveRtldNext=NO
1213     HaveRtldLocal=YES
1214     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1215     HaveRtldGlobal=YES
1216     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1217     HaveRtldNow=YES
1218     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1219     AC_SUBST(HaveLibDL)
1220     AC_SUBST(HaveRtldNext)
1221     AC_SUBST(HaveRtldLocal)
1222     AC_SUBST(HaveRtldGlobal)
1223     AC_SUBST(HaveRtldNow)
1224 else
1225     AC_CHECK_LIB(dl, dlopen,
1226         [HaveLibDL=YES
1227          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1228          LIBS="$LIBS -ldl"],
1229         [HaveLibDL=NO])
1230     AC_CHECK_FUNCS(dlopen)
1231     AC_SUBST(HaveLibDL)
1232
1233     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1234     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1235     AC_EGREP_CPP(yes,
1236     [
1237      #include <dlfcn.h>
1238      #ifdef RTLD_NEXT
1239             yes
1240      #endif
1241     ], [
1242       AC_MSG_RESULT(yes)
1243       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1244       HaveRtldNext=YES
1245     ], [
1246       AC_MSG_RESULT(no)
1247       HaveRtldNext=NO
1248       ])
1249     AC_SUBST(HaveRtldNext)
1250
1251     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1252     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1253     AC_EGREP_CPP(yes,
1254     [
1255      #include <dlfcn.h>
1256      #ifdef RTLD_LOCAL
1257             yes
1258      #endif
1259     ], [
1260       AC_MSG_RESULT(yes)
1261       AC_DEFINE(HAVE_RTLDLOCAL)
1262       HaveRtldLocal=YES
1263     ], [
1264       AC_MSG_RESULT(no)
1265       HaveRtldLocal=NO
1266       ])
1267     AC_SUBST(HaveRtldLocal)
1268
1269     dnl ** RTLD_GLOBAL isn't available on openbsd
1270     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1271     AC_EGREP_CPP(yes,
1272     [
1273      #include <dlfcn.h>
1274      #ifdef RTLD_GLOBAL
1275             yes
1276      #endif
1277     ], [
1278       AC_MSG_RESULT(yes)
1279       AC_DEFINE(HAVE_RTLDGLOBAL)
1280       HaveRtldGlobal=YES
1281     ], [
1282       AC_MSG_RESULT(no)
1283       HaveRtldGlobal=NO
1284       ])
1285     AC_SUBST(HaveRtldGlobal)
1286
1287     dnl ** RTLD_NOW isn't available on openbsd
1288     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1289     AC_EGREP_CPP(yes,
1290     [
1291      #include <dlfcn.h>
1292      #ifdef RTLD_NOW
1293             yes
1294      #endif
1295     ], [
1296       AC_MSG_RESULT(yes)
1297       AC_DEFINE(HAVE_RTLDNOW)
1298       HaveRtldNow=YES
1299     ], [
1300       AC_MSG_RESULT(no)
1301       HaveRtldNow=NO
1302       ])
1303     AC_SUBST(HaveRtldNow)
1304 fi
1305
1306 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1307
1308 dnl ---------- usleep ----------
1309 dnl --- stolen from guile configure ---
1310 dnl --- FIXME: /usr/include/unistd.h can't be right?
1311
1312 ### On some systems usleep has no return value.  If it does have one,
1313 ### we'd like to return it; otherwise, we'll fake it.
1314 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1315   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1316                    /usr/include/unistd.h,
1317                    [cv_func_usleep_return_type=void],
1318                    [cv_func_usleep_return_type=int])])
1319 case "$cv_func_usleep_return_type" in
1320   "void" )
1321     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1322   ;;
1323 esac
1324
1325 dnl --------------------------------------------------
1326 dnl * test for in_addr_t
1327 dnl --------------------------------------------------
1328 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1329 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1330  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1331  AC_MSG_RESULT(no))
1332
1333 dnl --------------------------------------------------
1334 dnl * test for Linux sendfile(2)
1335 dnl --------------------------------------------------
1336 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1337 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1338  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1339  AC_MSG_RESULT(no))
1340
1341 dnl --------------------------------------------------
1342 dnl * test for BSD sendfile(2)
1343 dnl --------------------------------------------------
1344 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1345 AC_EGREP_HEADER(sendfile, sys/socket.h,
1346  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1347  AC_MSG_RESULT(no))
1348
1349 dnl --------------------------------------------------
1350 dnl * test for GTK+
1351 dnl --------------------------------------------------
1352
1353 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1354 if test "$GTK_CONFIG" != ""; then
1355    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1356         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1357     ])
1358     GTK_VERSION=$fptools_cv_gtk_version
1359 else
1360     GTK_VERSION=
1361 fi
1362
1363 case $fptools_cv_gtk_version in
1364   1.[[23]].*) ;;
1365   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1366      GTK_CONFIG=
1367      ;;
1368 esac
1369
1370 AC_SUBST(GTK_CONFIG)
1371 AC_SUBST(GTK_VERSION)
1372
1373 dnl --------------------------------------------------
1374 dnl * Miscellaneous feature tests
1375 dnl --------------------------------------------------
1376
1377 dnl ** can we get alloca?
1378 AC_FUNC_ALLOCA
1379
1380 dnl ** Working vfork?
1381 AC_FUNC_VFORK
1382
1383 dnl ** determine whether or not const works
1384 AC_C_CONST
1385
1386 dnl ** are we big endian?
1387 AC_C_BIGENDIAN
1388
1389 dnl ** check for leading underscores in symbol names
1390 FPTOOLS_UNDERSCORE
1391
1392 dnl ** check for ld, and whether ld has -x option
1393 AC_PATH_PROG(LdCmdRaw, ld)
1394 case $HostOS_CPP in
1395  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1396            ;;
1397  *) LdCmd=${LdCmdRaw}
1398     ;;
1399 esac
1400 AC_SUBST(LdCmd)
1401 FPTOOLS_LD_X
1402
1403 AC_MSG_CHECKING([for SIGPOLL])
1404 AC_EGREP_CPP(we_have_sigpoll,
1405 [#include <signal.h>
1406 #ifdef SIGPOLL
1407 we_have_sigpoll
1408 #endif
1409 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1410 AC_MSG_RESULT([$haveSIGPOLL])
1411
1412 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1413 AC_EGREP_CPP(we_have_that_sysconf_thing,
1414 [
1415 #include <unistd.h>
1416 #ifdef _SC_GETGR_R_SIZE_MAX
1417 we_have_that_sysconf_thing
1418 #endif
1419 ],
1420 [AC_MSG_RESULT([yes])
1421 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1422 [AC_MSG_RESULT([no])])
1423
1424 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1425 AC_EGREP_CPP(we_have_that_sysconf_thing,
1426 [
1427 #include <unistd.h>
1428 #ifdef _SC_GETPW_R_SIZE_MAX
1429 we_have_that_sysconf_thing
1430 #endif
1431 ],
1432 [AC_MSG_RESULT([yes])
1433 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1434 [AC_MSG_RESULT([no])])
1435
1436 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )