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 OpenAL binding?
 623 dnl --------------------------------------------------------------
 624 AC_ARG_ENABLE([openal],
 625   AC_HELP_STRING([--enable-openal],
 626                  [Build OpenAL binding [[default=autodetect]]]),
 627   [GhcLibsWithOpenAL=$enableval],
 628   [GhcLibsWithOpenAL=yes])
 629
 630 # This is silly! Alas, "YES" and "NO" are currently our standard...
 631 GhcLibsWithOpenAL=`echo $GhcLibsWithOpenGL | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
 632
 633 AC_SUBST([GhcLibsWithOpenAL])
 634
 635 dnl ** .NET interop support?
 636 dnl --------------------------------------------------------------
 637 AC_ARG_ENABLE(dotnet,
 638 [  --enable-dotnet
 639         Build .NET interop layer.
 640 ],
 641 [DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])],
 642 [DotnetSupport=NO]
 643 )
 644 AC_SUBST(DotnetSupport)
 645
 646 dnl --------------------------------------------------------------
 647 dnl End of configure script option section
 648 dnl --------------------------------------------------------------
 649
 650
 651 dnl --------------------------------------------------------------
 652 dnl * General configuration checks
 653 dnl --------------------------------------------------------------
 654
 655 dnl ** Can the unix package be built?
 656 dnl --------------------------------------------------------------
 657
 658 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 659    GhcLibsWithUnix=NO
 660 else
 661    GhcLibsWithUnix=YES
 662 fi
 663 AC_SUBST([GhcLibsWithUnix])
 664
 665 dnl ** does #! work?
 666 AC_SYS_INTERPRETER()
 667
 668 dnl ** look for `perl', but only in /bin on Windows
 669 case $HostOS_CPP in
 670 cygwin32|mingw32)
 671       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 672       if test -z "$PerlCmd"; then
 673          echo "You must install the version of Perl shipped with GHC"
 674          echo "(or a compatible one) in /bin."
 675          exit 1
 676       fi
 677    ;;
 678 *)
 679    AC_PATH_PROG(PerlCmd,perl)
 680    if test -z "$PerlCmd"; then
 681       echo "You must install perl before you can continue"
 682       echo "Perhaps it is already installed, but not in your PATH?"
 683       exit 1
 684    else
 685    FPTOOLS_CHECK_PERL_VERSION
 686    fi
 687    ;;
 688 esac
 689
 690 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 691 FPTOOLS_SHEBANG_PERL
 692
 693 dnl ** check for Python
 694 AC_PATH_PROG(PythonCmd,python)
 695
 696 dnl ** look for GCC and find out which version
 697 dnl     Figure out which C compiler to use.  Gcc is preferred.
 698 dnl     If gcc, make sure it's at least 2.1
 699 dnl
 700 AC_PROG_CC
 701 FPTOOLS_HAVE_GCC
 702 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 703
 704 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 705 AC_PROG_CPP
 706
 707 dnl ** Without optimization some INLINE trickery fails for GHCi
 708 SRC_CC_OPTS="-O"
 709
 710 dnl ** Try to add -mno-cygwin to the C compiler options
 711 FP_CHECK_FLAG([-mno-cygwin], [
 712 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 713 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 714 AC_SUBST(SRC_CC_OPTS)
 715
 716 dnl ** figure out how to do context diffs
 717 FP_PROG_CONTEXT_DIFF
 718
 719 dnl ** Find find command (for Win32's benefit)
 720 FP_PROG_FIND
 721
 722 dnl ** figure out how to do a BSD-ish install
 723 AC_PROG_INSTALL
 724
 725 dnl If you can run configure, you certainly have /bin/sh
 726 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 727
 728 dnl ** how to invoke `ar' and `ranlib'
 729 FPTOOLS_PROG_AR_AND_RANLIB
 730
 731 dnl ** Check to see whether ln -s works
 732 AC_PROG_LN_S
 733
 734
 735 dnl ** Find the path to sed
 736 AC_PATH_PROG(SedCmd,sed)
 737
 738
 739 dnl ** check for time command
 740 AC_PATH_PROG(TimeCmd,time)
 741
 742 dnl ** check for tar
 743 dnl   if GNU tar is named gtar, look for it first.
 744 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 745
 746 dnl ** check for jade/openjade & determine a working catalog
 747 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 748 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 749                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 750 if test -z "$Catalog"; then
 751   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 752 fi
 753 case $Catalog in
 754    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 755         Catalog=
 756         ;;
 757    glafp*)
 758         case $HostOS_CPP in
 759            mingw32)
 760               Catalog=`cygpath -w $hardtop/$Catalog`
 761               ;;
 762            *) Catalog=$hardtop/$Catalog
 763               ;;
 764         esac
 765    ;;
 766 esac
 767 AC_SUBST(Catalog)
 768
 769
 770 dnl ** check for ghc-pkg command
 771 changequote(, )dnl
 772 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 773 changequote([, ])dnl
 774 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 775    GhcPkgCmd=$ghc_pkg_guess
 776    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 777 else
 778    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 779 fi
 780
 781 AC_ARG_WITH(greencard,
 782 [  --with-greencard=<greencard compiler>
 783         Use a command different from 'greencard' to compile GreenCard files
 784 ],
 785 [
 786 GreenCardCmd=$withval;
 787 FPTOOLS_GREENCARD(3.00)
 788 ]
 789 )
 790
 791 AC_ARG_ENABLE(src-tree-happy,
 792 [  --enable-src-tree-happy
 793         Build and use source tree (fptools/happy) version of Happy.
 794 ],
 795 [UseSrcTreeHappy=YES],
 796 [UseSrcTreeHappy=NO]
 797 )
 798 dnl ** check for installed happy binary + version
 799 dnl    (don't do it if we're booting from .hc files though.)
 800 if test "$BootingFromHc" = "NO"; then
 801 FPTOOLS_HAPPY
 802 fi;
 803
 804 AC_ARG_ENABLE(src-tree-haddock,
 805 [  --enable-src-tree-haddock
 806         Build and use source tree (fptools/haddock) version of Haddock.
 807 ],
 808 [UseSrcTreeHaddock=YES],
 809 [UseSrcTreeHaddock=NO]
 810 )
 811 dnl ** check for installed haddock
 812 FPTOOLS_HADDOCK
 813
 814 AC_ARG_ENABLE(src-tree-alex,
 815 [  --enable-src-tree-alex
 816         Build and use source tree (fptools/alex) version of Alex.
 817 ],
 818 [UseSrcTreeAlex=YES],
 819 [UseSrcTreeAlex=NO]
 820 )
 821 dnl ** check for installed alex binary + version
 822 dnl    (don't do it if we're booting from .hc files though.)
 823 if test "$BootingFromHc" = "NO"; then
 824 FPTOOLS_ALEX
 825 fi;
 826
 827 dnl --------------------------------------------------
 828 dnl ### program checking section ends here ###
 829 dnl --------------------------------------------------
 830
 831 dnl --------------------------------------------------
 832 dnl * Platform header file and syscall feature tests
 833 dnl ### checking the state of the local header files and syscalls ###
 834
 835 dnl ** check for full ANSI header (.h) files
 836 AC_HEADER_STDC
 837
 838 dnl ** Enable large file support.  NB. do this before testing the type of
 839 dnl    off_t, because it will affect the result of that test.
 840 AC_SYS_LARGEFILE
 841
 842 dnl ** check for specific header (.h) files that we are interested in
 843 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)
 844 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 845
 846 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 847 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 848
 849 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 850   GhcLibsWithReadline=YES
 851   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 852 else
 853   GhcLibsWithReadline=NO
 854   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 855 fi
 856 AC_SUBST(GhcLibsWithReadline)
 857
 858 dnl ** check for DOS include files
 859 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 860
 861 dnl ** check for Windows include files
 862 AC_CHECK_HEADERS(windows.h)
 863
 864 dnl ** check for OpenGL/GLUT include paths and libraries
 865 FP_CHECK_GLUT
 866
 867 if test x"$no_glu" = xyes; then
 868   GhcLibsWithOpenGL=NO
 869 else
 870   GhcLibsWithOpenGL=YES
 871 fi
 872 AC_SUBST([GhcLibsWithOpenGL])
 873
 874 if test x"$no_glut" = xyes; then
 875   GhcLibsWithGLUT=NO
 876 else
 877   GhcLibsWithGLUT=YES
 878 fi
 879 AC_SUBST([GhcLibsWithGLUT])
 880
 881 dnl ** check for OpenGL include files
 882 fp_save_cppflags="$CPPFLAGS"
 883 CPPFLAGS="$CPPFLAGS $X_CFLAGS"
 884 if test x"$use_quartz_opengl" = xyes; then
 885   AC_CHECK_HEADERS([OpenGL/gl.h])
 886 else
 887   AC_CHECK_HEADERS([GL/gl.h])
 888 fi
 889 CPPFLAGS="$fp_save_cppflags"
 890
 891 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 892 AC_HEADER_TIME
 893
 894 dnl dynamic loading include files
 895 AC_CHECK_HEADERS(dlfcn.h dl.h)
 896
 897 dnl ** check for farcalloc (in bcc)
 898 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 899
 900 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 901 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 902
 903 dnl ** check for POSIX regex
 904 HavePosixRegex=NO
 905 AC_CHECK_HEADERS(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 906 AC_SUBST(HavePosixRegex)
 907
 908 dnl ** how do we get a timezone name, and UTC offset ?
 909 AC_STRUCT_TIMEZONE
 910
 911 dnl ** do we have altzone?
 912 FP_DECL_ALTZONE
 913
 914 dnl ** does struct stat contain st_blksize?
 915 AC_STRUCT_ST_BLKSIZE
 916
 917 dnl ** do we have long longs?
 918 AC_CHECK_TYPES([long long])
 919
 920 dnl ** check what fields struct msghdr contains
 921 AC_CHECK_HEADERS([sys/types.h sys/socket.h sys/uio.h])
 922 AC_CHECK_MEMBERS([struct msghdr.msg_control, struct msghdr.msg_accrights], [], [], [#if HAVE_SYS_TYPES_H
 923 # include <sys/types.h>
 924 #endif
 925 #if HAVE_SYS_SOCKET_H
 926 # include <sys/socket.h>
 927 #endif
 928 #if HAVE_SYS_UIO_H
 929 # include <sys/uio.h>
 930 #endif])
 931
 932 dnl ** what are the sizes of various types
 933 AC_CHECK_SIZEOF(char,               1)
 934 AC_CHECK_SIZEOF(double,             8)
 935 AC_CHECK_SIZEOF(float,              4)
 936 AC_CHECK_SIZEOF(int,                4)
 937 AC_CHECK_SIZEOF(long,               4)
 938 if test "$ac_cv_type_long_long" = yes; then
 939 AC_CHECK_SIZEOF(long long,          8)
 940 fi
 941 AC_CHECK_SIZEOF(short,              2)
 942 AC_CHECK_SIZEOF(unsigned char,      1)
 943 AC_CHECK_SIZEOF(unsigned int,       4)
 944 AC_CHECK_SIZEOF(unsigned long,      4)
 945 if test "$ac_cv_type_long_long" = yes; then
 946 AC_CHECK_SIZEOF(unsigned long long, 8)
 947 fi
 948 AC_CHECK_SIZEOF(unsigned short,     2)
 949 AC_CHECK_SIZEOF(void *,             4)
 950
 951 dnl ** what are alignment constraints on various types
 952 FP_CHECK_ALIGNMENT(char)
 953 FP_CHECK_ALIGNMENT(double)
 954 FP_CHECK_ALIGNMENT(float)
 955 FP_CHECK_ALIGNMENT(int)
 956 FP_CHECK_ALIGNMENT(long)
 957 if test "$ac_cv_type_long_long" = yes; then
 958 FP_CHECK_ALIGNMENT(long long)
 959 fi
 960 FP_CHECK_ALIGNMENT(short)
 961 FP_CHECK_ALIGNMENT(unsigned char)
 962 FP_CHECK_ALIGNMENT(unsigned int)
 963 FP_CHECK_ALIGNMENT(unsigned long)
 964 if test "$ac_cv_type_long_long" = yes; then
 965 FP_CHECK_ALIGNMENT(unsigned long long)
 966 fi
 967 FP_CHECK_ALIGNMENT(unsigned short)
 968 FP_CHECK_ALIGNMENT(void *)
 969
 970 dnl ** map standard C types and ISO types to Haskell types
 971 FPTOOLS_CHECK_HTYPE(char)
 972 FPTOOLS_CHECK_HTYPE(signed char)
 973 FPTOOLS_CHECK_HTYPE(unsigned char)
 974 FPTOOLS_CHECK_HTYPE(short)
 975 FPTOOLS_CHECK_HTYPE(unsigned short)
 976 FPTOOLS_CHECK_HTYPE(int)
 977 FPTOOLS_CHECK_HTYPE(unsigned int)
 978 FPTOOLS_CHECK_HTYPE(long)
 979 FPTOOLS_CHECK_HTYPE(unsigned long)
 980 if test "$ac_cv_type_long_long" = yes; then
 981 FPTOOLS_CHECK_HTYPE(long long)
 982 FPTOOLS_CHECK_HTYPE(unsigned long long)
 983 fi
 984 FPTOOLS_CHECK_HTYPE(float)
 985 FPTOOLS_CHECK_HTYPE(double)
 986 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 987 FPTOOLS_CHECK_HTYPE(size_t)
 988 FPTOOLS_CHECK_HTYPE(wchar_t)
 989 dnl Int32 is a HACK for non-ISO C compilers
 990 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 991 FPTOOLS_CHECK_HTYPE(clock_t)
 992 FPTOOLS_CHECK_HTYPE(time_t)
 993 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 994 FPTOOLS_CHECK_HTYPE(ino_t)
 995 FPTOOLS_CHECK_HTYPE(mode_t)
 996 FPTOOLS_CHECK_HTYPE(off_t)
 997 FPTOOLS_CHECK_HTYPE(pid_t)
 998 FPTOOLS_CHECK_HTYPE(gid_t)
 999 FPTOOLS_CHECK_HTYPE(uid_t)
1000 FPTOOLS_CHECK_HTYPE(cc_t)
1001 FPTOOLS_CHECK_HTYPE(speed_t)
1002 FPTOOLS_CHECK_HTYPE(tcflag_t)
1003 FPTOOLS_CHECK_HTYPE(blkcnt_t)
1004 FPTOOLS_CHECK_HTYPE(nlink_t)
1005 FPTOOLS_CHECK_HTYPE(ssize_t)
1006 FPTOOLS_CHECK_HTYPE(rlim_t)
1007 FPTOOLS_CHECK_HTYPE(wint_t)
1008
1009 dnl ** Map OpenGL data types to Haskell types
1010 if test $GhcLibsWithOpenGL = YES ; then
1011 FPTOOLS_CHECK_HTYPE(GLboolean)
1012 FPTOOLS_CHECK_HTYPE(GLbyte)
1013 FPTOOLS_CHECK_HTYPE(GLubyte)
1014 FPTOOLS_CHECK_HTYPE(GLshort)
1015 FPTOOLS_CHECK_HTYPE(GLushort)
1016 FPTOOLS_CHECK_HTYPE(GLint)
1017 FPTOOLS_CHECK_HTYPE(GLuint)
1018 FPTOOLS_CHECK_HTYPE(GLsizei)
1019 FPTOOLS_CHECK_HTYPE(GLenum)
1020 FPTOOLS_CHECK_HTYPE(GLbitfield)
1021 FPTOOLS_CHECK_HTYPE(GLfloat)
1022 FPTOOLS_CHECK_HTYPE(GLclampf)
1023 FPTOOLS_CHECK_HTYPE(GLdouble)
1024 FPTOOLS_CHECK_HTYPE(GLclampd)
1025 fi
1026
1027 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>
1028 #include <errno.h>])
1029
1030 dnl ** can we open files in binary mode?
1031 FP_CHECK_CONST([O_BINARY], [#include <fcntl.h>], [0])
1032
1033 dnl ** check for GetModuleFileName and WinExec (windows only)
1034 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
1035 dnl Doesn't work because the linker can't see the functions if
1036 dnl you omit the #include <windows.h>.  (I've no idea why not...)
1037
1038 FPTOOLS_TRY_LINK_NOWARN(,[
1039 #if HAVE_WINDOWS_H
1040 #include <windows.h>
1041 #endif
1042 main() {
1043   WinExec("",0);
1044   exit(0);
1045 }
1046 ],
1047 [have_winexec=1],
1048 [have_winexec=0])
1049 if test "$have_winexec" = "1"; then
1050   AC_DEFINE([HAVE_WINEXEC], [1], [Define to 1 if you have the WinExec function.])
1051 fi
1052
1053 FPTOOLS_TRY_LINK_NOWARN(,[
1054 #if HAVE_WINDOWS_H
1055 #include <windows.h>
1056 #endif
1057 main() {
1058   char* dir;
1059   GetModuleFileName((HMODULE)0,dir,0);
1060   exit(0);
1061 }
1062 ],
1063 [have_getmodulefilename=1],
1064 [have_getmodulefilename=0])
1065 if test "$have_getmodulefilename" = "1"; then
1066 AC_DEFINE([HAVE_GETMODULEFILENAME], [1], [Define to 1 if you have the GetModuleFileName function.])
1067 fi
1068
1069 dnl ** check return type of signal handlers
1070 dnl Foo: assumes we can use prototypes.
1071 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1072 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1073 dnl [AC_TRY_COMPILE([#include <sys/types.h>
1074 dnl #include <signal.h>
1075 dnl #ifdef signal
1076 dnl #undef signal
1077 dnl #endif
1078 dnl void (*signal (int, void (*)(int)))(int);
1079 dnl ],
1080 dnl [int i;],
1081 dnl ac_cv_type_signal_handler=void_int,
1082 dnl ac_cv_type_signal_handler=int_void)])
1083 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1084 dnl AC_DEFINE(VOID_INT_SIGNALS)
1085 dnl fi
1086
1087 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1088 AC_TYPE_SIGNAL
1089 if test "$ac_cv_type_signal" = void; then
1090   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1091 fi
1092
1093 dnl ** check for more functions
1094 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
1095 AC_CHECK_FUNCS(strcmp)
1096 AC_CHECK_FUNCS(realpath _fullpath)
1097 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1098 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1099 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1100 AC_CHECK_FUNCS(snprintf  _snprintf )
1101 AC_CHECK_FUNCS(popen     _popen )
1102 AC_CHECK_FUNCS(pclose    _pclose )
1103 AC_CHECK_FUNCS(setenv unsetenv)
1104
1105
1106 dnl ** check for specific library functions that we are interested in
1107 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat siginterrupt symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1108
1109 dnl ** Solaris2 needs additionl flag for getpw*_r()
1110 case "$TargetPlatform" in
1111   *-solaris2*)
1112     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1113     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1114   ;;
1115 esac
1116
1117 dnl ** check whether this machine has gmp3 installed
1118 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1119   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1120     HaveLibGmp=NO; LibGmp=not-installed))
1121 AC_SUBST(HaveLibGmp)
1122 AC_SUBST(LibGmp)
1123
1124 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1125 HaveFrameworkHaskellSupport=NO
1126 if test $HostPlatform = "powerpc-apple-darwin"; then
1127  AC_MSG_CHECKING([for HaskellSupport.framework])
1128  save_libs="$LIBS"
1129  LIBS="-framework HaskellSupport"
1130  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1131  if test $HaveFrameworkHaskellSupport = YES; then
1132   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1133  fi;
1134  LIBS="$save_libs"
1135  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1136 fi;
1137 AC_SUBST(HaveFrameworkHaskellSupport)
1138
1139 dnl ** check for mingwex library
1140 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1141 AC_SUBST(HaveLibMingwEx)
1142
1143 if test $HaveLibMingwEx = YES ; then
1144   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1145 fi
1146
1147 if test "$HaveLibGmp" = "NO"; then
1148 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1149 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1150 fi;
1151 fi;
1152
1153 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1154 dnl    the order of these tests matters: bfd needs liberty
1155 AC_CHECK_LIB(iberty, xmalloc)
1156 AC_CHECK_LIB(bfd,    bfd_init)
1157
1158 dnl ** check for wide-char classifications
1159 dnl FreeBSD has an emtpy wctype.h, so test one of the affected
1160 dnl functions if it's really there.
1161 AC_CHECK_HEADERS(wctype.h,
1162   [AC_CHECK_FUNCS(iswspace)]
1163 )
1164
1165 dnl ** check for readline, for Hugs and hslibs' Readline
1166 dnl ncurses supersedes termcap and curses, but for compatibility,
1167 dnl we have to check for all...
1168 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1169   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1170     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1171       HaveLibTermcap=NO; LibTermcap=not-installed)))
1172
1173 if test $HaveLibTermcap = YES ; then
1174   LIBS="-l$LibTermcap $LIBS"
1175   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1176 fi
1177
1178 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1179   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1180   LibsReadline="readline $LibTermcap"
1181 else
1182   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1183   LibsReadline=
1184 fi
1185 AC_SUBST(LibsReadline)
1186
1187 if test "$HaveLibReadline"; then
1188   AC_CHECK_LIB(readline, rl_erase_empty_line,
1189     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1190     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1191   AC_CHECK_LIB(readline, rl_free_undo_list,
1192     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1193     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1194 else
1195   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1196   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1197 fi
1198
1199 dnl ** check for math library
1200 AC_CHECK_LIB([m], [main], [LIBM="-lm"], [LIBM=])
1201 AC_SUBST([LIBM])
1202
1203 dnl ** check for X Window System
1204 AC_PATH_XTRA()
1205
1206 dnl ################################################################
1207 dnl Check for libraries
1208 dnl ################################################################
1209
1210 dnl ** check for libdl & RTLD_NEXT
1211
1212 dnl (Mac OS X only) ... but don't check if we already have the
1213 dnl HaskellSupport.framework
1214
1215 if test $HaveFrameworkHaskellSupport = YES; then
1216     HaveLibDL=NO
1217     HaveRtldNext=NO
1218     HaveRtldLocal=YES
1219     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1220     HaveRtldGlobal=YES
1221     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1222     HaveRtldNow=YES
1223     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1224     AC_SUBST(HaveLibDL)
1225     AC_SUBST(HaveRtldNext)
1226     AC_SUBST(HaveRtldLocal)
1227     AC_SUBST(HaveRtldGlobal)
1228     AC_SUBST(HaveRtldNow)
1229 else
1230     AC_CHECK_LIB(dl, dlopen,
1231         [HaveLibDL=YES
1232          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1233          LIBS="$LIBS -ldl"],
1234         [HaveLibDL=NO])
1235     AC_CHECK_FUNCS(dlopen)
1236     AC_SUBST(HaveLibDL)
1237
1238     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1239     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1240     AC_EGREP_CPP(yes,
1241     [
1242      #include <dlfcn.h>
1243      #ifdef RTLD_NEXT
1244             yes
1245      #endif
1246     ], [
1247       AC_MSG_RESULT(yes)
1248       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1249       HaveRtldNext=YES
1250     ], [
1251       AC_MSG_RESULT(no)
1252       HaveRtldNext=NO
1253       ])
1254     AC_SUBST(HaveRtldNext)
1255
1256     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1257     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1258     AC_EGREP_CPP(yes,
1259     [
1260      #include <dlfcn.h>
1261      #ifdef RTLD_LOCAL
1262             yes
1263      #endif
1264     ], [
1265       AC_MSG_RESULT(yes)
1266       AC_DEFINE(HAVE_RTLDLOCAL)
1267       HaveRtldLocal=YES
1268     ], [
1269       AC_MSG_RESULT(no)
1270       HaveRtldLocal=NO
1271       ])
1272     AC_SUBST(HaveRtldLocal)
1273
1274     dnl ** RTLD_GLOBAL isn't available on openbsd
1275     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1276     AC_EGREP_CPP(yes,
1277     [
1278      #include <dlfcn.h>
1279      #ifdef RTLD_GLOBAL
1280             yes
1281      #endif
1282     ], [
1283       AC_MSG_RESULT(yes)
1284       AC_DEFINE(HAVE_RTLDGLOBAL)
1285       HaveRtldGlobal=YES
1286     ], [
1287       AC_MSG_RESULT(no)
1288       HaveRtldGlobal=NO
1289       ])
1290     AC_SUBST(HaveRtldGlobal)
1291
1292     dnl ** RTLD_NOW isn't available on openbsd
1293     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1294     AC_EGREP_CPP(yes,
1295     [
1296      #include <dlfcn.h>
1297      #ifdef RTLD_NOW
1298             yes
1299      #endif
1300     ], [
1301       AC_MSG_RESULT(yes)
1302       AC_DEFINE(HAVE_RTLDNOW)
1303       HaveRtldNow=YES
1304     ], [
1305       AC_MSG_RESULT(no)
1306       HaveRtldNow=NO
1307       ])
1308     AC_SUBST(HaveRtldNow)
1309 fi
1310
1311 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1312
1313 dnl ---------- usleep ----------
1314 dnl --- stolen from guile configure ---
1315 dnl --- FIXME: /usr/include/unistd.h can't be right?
1316
1317 ### On some systems usleep has no return value.  If it does have one,
1318 ### we'd like to return it; otherwise, we'll fake it.
1319 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1320   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1321                    /usr/include/unistd.h,
1322                    [cv_func_usleep_return_type=void],
1323                    [cv_func_usleep_return_type=int])])
1324 case "$cv_func_usleep_return_type" in
1325   "void" )
1326     AC_DEFINE([USLEEP_RETURNS_VOID], [1], [Define if the system headers declare usleep to return void.])
1327   ;;
1328 esac
1329
1330 dnl --------------------------------------------------
1331 dnl * test for in_addr_t
1332 dnl --------------------------------------------------
1333 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1334 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1335  [ AC_DEFINE([HAVE_IN_ADDR_T], [1], [Define to 1 if in_addr_t is available.]) AC_MSG_RESULT(yes) ],
1336  AC_MSG_RESULT(no))
1337
1338 dnl --------------------------------------------------
1339 dnl * test for Linux sendfile(2)
1340 dnl --------------------------------------------------
1341 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1342 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1343  [ AC_DEFINE([HAVE_LINUX_SENDFILE], [1], [Define to 1 if you have a Linux sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1344  AC_MSG_RESULT(no))
1345
1346 dnl --------------------------------------------------
1347 dnl * test for BSD sendfile(2)
1348 dnl --------------------------------------------------
1349 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1350 AC_EGREP_HEADER(sendfile, sys/socket.h,
1351  [ AC_DEFINE([HAVE_BSD_SENDFILE], [1], [Define to 1 if you have a BSDish sendfile(2) implementation.]) AC_MSG_RESULT(yes) ],
1352  AC_MSG_RESULT(no))
1353
1354 dnl --------------------------------------------------
1355 dnl * test for GTK+
1356 dnl --------------------------------------------------
1357
1358 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1359 if test -n "$GTK_CONFIG"; then
1360   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1361     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1362   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1363     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1364      GTK_CONFIG=])
1365 fi
1366 AC_SUBST([GTK_CONFIG])
1367
1368 dnl --------------------------------------------------
1369 dnl * Miscellaneous feature tests
1370 dnl --------------------------------------------------
1371
1372 dnl ** can we get alloca?
1373 AC_FUNC_ALLOCA
1374
1375 dnl ** Working vfork?
1376 AC_FUNC_VFORK
1377
1378 dnl ** determine whether or not const works
1379 AC_C_CONST
1380
1381 dnl ** are we big endian?
1382 AC_C_BIGENDIAN
1383
1384 dnl ** check for leading underscores in symbol names
1385 FPTOOLS_UNDERSCORE
1386
1387 dnl ** check for ld, and whether ld has -x option
1388 AC_PATH_PROG(LdCmdRaw, ld)
1389 case $HostOS_CPP in
1390  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1391            ;;
1392  *) LdCmd=${LdCmdRaw}
1393     ;;
1394 esac
1395 AC_SUBST(LdCmd)
1396 FPTOOLS_LD_X
1397
1398 FP_EMPTY_STRUCTS
1399
1400 AC_MSG_CHECKING([for SIGPOLL])
1401 AC_EGREP_CPP(we_have_sigpoll,
1402 [#include <signal.h>
1403 #ifdef SIGPOLL
1404 we_have_sigpoll
1405 #endif
1406 ], AC_DEFINE([HAVE_SIGPOLL], [1], [Define to 1 if you have the sigpoll() function.]) haveSIGPOLL=yes, haveSIGPOLL=no)
1407 AC_MSG_RESULT([$haveSIGPOLL])
1408
1409 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1410 AC_EGREP_CPP(we_have_that_sysconf_thing,
1411 [
1412 #include <unistd.h>
1413 #ifdef _SC_GETGR_R_SIZE_MAX
1414 we_have_that_sysconf_thing
1415 #endif
1416 ],
1417 [AC_MSG_RESULT([yes])
1418 AC_DEFINE([HAVE_SC_GETGR_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETGR_R_SIZE_MAX.])],
1419 [AC_MSG_RESULT([no])])
1420
1421 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1422 AC_EGREP_CPP(we_have_that_sysconf_thing,
1423 [
1424 #include <unistd.h>
1425 #ifdef _SC_GETPW_R_SIZE_MAX
1426 we_have_that_sysconf_thing
1427 #endif
1428 ],
1429 [AC_MSG_RESULT([yes])
1430 AC_DEFINE([HAVE_SC_GETPW_R_SIZE_MAX], [1], [Define to 1 if <unistd.h> defines _SC_GETPW_R_SIZE_MAX.])],
1431 [AC_MSG_RESULT([no])])
1432
1433 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )