configure.in

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.in | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
   3 dnl  (or some such) to see the outline of this file)
   4 dnl
   5 #
   6 # (c) The AQUA Project, Glasgow University, 1994-1998
   7 #
   8 # Configure script template for the Glasgow functional programming tools
   9 #
  10 # Process with 'autoconf' to get a working configure script.
  11 #
  12 # For the generated configure script, do "./configure --help" to
  13 # see what flags are available. (Better yet, read the documentation!)
  14 #
  15
  16 # First off, a distrib sanity check..
  17 AC_INIT(mk/config.mk.in)
  18
  19 dnl * We require autoconf version 2.53 due to the use of AC_SYS_LARGEFILE
  20 AC_PREREQ(2.52)
  21
  22 dnl * Declare subdirectories that have a private configure script
  23 dnl
  24 dnl After the toplevel configuration is complete, the script will recurse into
  25 dnl these subdirectories (the use of cache values makes repeated checks cheap)
  26 dnl (We probably have to add hslibs/{OpenGL,GLUT} here later...)
  27 AC_CONFIG_SUBDIRS(ghc)
  28
  29 # -------------------------------------------------------------------------
  30 # Prepare to generate the following header files
  31 #
  32 #
  33 AC_CONFIG_HEADER(mk/config.h)
  34
  35 # No, semi-sadly, we don't do `--srcdir'...
  36 if test x"$srcdir" != 'x.' ; then
  37     echo "This configuration does not support the \`--srcdir' option.."
  38     exit 1
  39 fi
  40
  41 #
  42 # Remove common automounter nonsense + convert from UNC to DOS style paths
  43 # (UNC awareness isn't quite there yet for cygwin32-beta18 and consituent tools.)
  44 #
  45 hardtop=`pwd`
  46 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^/grasp_tmp|/local/grasp_tmp|' | sed 's|^//\(.\)/|\1:/|' `
  47
  48 echo ''
  49 echo "*** The top of your build tree is: $hardtop"
  50 # subst of hardtop is done below after we've computed hardtop_plat.
  51
  52 dnl--------------------------------------------------------------------
  53 dnl * Choose host(/target/build) platform
  54 dnl--------------------------------------------------------------------
  55
  56 dnl Guess host/target/build platform(s) if necessary.
  57 AC_CANONICAL_SYSTEM
  58
  59 # "$host" defaults to "$target"
  60 if test "x$host" = xNONE ; then
  61     host=$target
  62 fi
  63
  64 dnl ** canonicalize platform names
  65 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  66 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  67 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  68
  69 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  70     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  71     exit 1
  72 fi
  73
  74 exeext=''
  75 #
  76 # The following will be more difficult when we *are* cross-compiling.
  77 # Suitable names to slam in *_CPP are in platform.h.in.
  78 # We also record the architecture, vendor, and operating system (OS)
  79 # separately.
  80 case $HostPlatform in
  81 alpha*-dec-osf[[12]]*)
  82         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  83         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  84         BuildPlatform=alpha-dec-osf1  # hack
  85         HostPlatform_CPP='alpha_dec_osf1'
  86         HostArch_CPP='alpha'
  87         HostVendor_CPP='dec'
  88         HostOS_CPP='osf1'
  89         ;;
  90 alpha*-dec-osf[[345]]*)
  91         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  92         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  93         BuildPlatform=alpha-dec-osf3  # hack
  94         HostPlatform_CPP='alpha_dec_osf3'
  95         HostArch_CPP='alpha'
  96         HostVendor_CPP='dec'
  97         HostOS_CPP='osf3'
  98         ;;
  99 alpha*-unknown-linux)
 100         HostPlatform=alpha-unknown-linux
 101         TargetPlatform=alpha-unknown-linux
 102         BuildPlatform=alpha-unknown-linux
 103         HostPlatform_CPP='alpha_unknown_linux'
 104         HostArch_CPP='alpha'
 105         HostVendor_CPP='unknown'
 106         HostOS_CPP='linux'
 107         ;;
 108 alpha*-unknown-freebsd*)
 109         HostPlatform=alpha-unknown-freebsd
 110         TargetPlatform=alpha-unknown-freebsd
 111         BuildPlatform=alpha-unknown-freebsd
 112         HostPlatform_CPP='alpha_unknown_freebsd'
 113         HostArch_CPP='alpha'
 114         HostVendor_CPP='unknown'
 115         HostOS_CPP='freebsd'
 116         ;;
 117 hppa1.1-hp-hpux*)
 118         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 119         TargetPlatform=hppa1.1-hp-hpux
 120         BuildPlatform=hppa1.1-hp-hpux
 121         HostPlatform_CPP='hppa1_1_hp_hpux'
 122         HostArch_CPP='hppa1_1'
 123         HostVendor_CPP='hp'
 124         HostOS_CPP='hpux'
 125         ;;
 126 i[[3456]]86-*-linuxaout*)
 127         HostPlatform=i386-unknown-linuxaout   # hack again
 128         TargetPlatform=i386-unknown-linuxaout
 129         BuildPlatform=i386-unknown-linuxaout
 130         HostPlatform_CPP='i386_unknown_linuxaout'
 131         HostArch_CPP='i386'
 132         HostVendor_CPP='unknown'
 133         HostOS_CPP='linuxaout'
 134         ;;
 135 i[[3456]]86-*-linux*)
 136         HostPlatform=i386-unknown-linux # hack again
 137         TargetPlatform=i386-unknown-linux
 138         BuildPlatform=i386-unknown-linux
 139         HostPlatform_CPP='i386_unknown_linux'
 140         HostArch_CPP='i386'
 141         HostVendor_CPP='unknown'
 142         HostOS_CPP='linux'
 143         ;;
 144 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 145         HostPlatform=i386-unknown-freebsd # hack again
 146         TargetPlatform=i386-unknown-freebsd
 147         BuildPlatform=i386-unknown-freebsd
 148         HostPlatform_CPP='i386_unknown_freebsd'
 149         HostArch_CPP='i386'
 150         HostVendor_CPP='unknown'
 151         HostOS_CPP='freebsd'
 152         ;;
 153 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 154         HostPlatform=i386-unknown-freebsd2 # hack again
 155         TargetPlatform=i386-unknown-freebsd2
 156         BuildPlatform=i386-unknown-freebsd2
 157         HostPlatform_CPP='i386_unknown_freebsd2'
 158         HostArch_CPP='i386'
 159         HostVendor_CPP='unknown'
 160         HostOS_CPP='freebsd2'
 161         ;;
 162 i[[3456]]86-*-netbsd*)
 163         HostPlatform=i386-unknown-netbsd # hack again
 164         TargetPlatform=i386-unknown-netbsd
 165         BuildPlatform=i386-unknown-netbsd
 166         HostPlatform_CPP='i386_unknown_netbsd'
 167         HostArch_CPP='i386'
 168         HostVendor_CPP='unknown'
 169         HostOS_CPP='netbsd'
 170         ;;
 171 i[[3456]]86-*-openbsd*)
 172         HostPlatform=i386-unknown-openbsd # hack again
 173         TargetPlatform=i386-unknown-openbsd
 174         BuildPlatform=i386-unknown-openbsd
 175         HostPlatform_CPP='i386_unknown_openbsd'
 176         HostArch_CPP='i386'
 177         HostVendor_CPP='unknown'
 178         HostOS_CPP='openbsd'
 179         ;;
 180 i[[3456]]86-*-solaris2*)
 181         HostPlatform=i386-unknown-solaris2 # hack again
 182         TargetPlatform=i386-unknown-solaris2
 183         BuildPlatform=i386-unknown-solaris2
 184         HostPlatform_CPP='i386_unknown_solaris2'
 185         HostArch_CPP='i386'
 186         HostVendor_CPP='unknown'
 187         HostOS_CPP='solaris2'
 188         ;;
 189 i[[3456]]86-*-cygwin*)
 190         HostPlatform=i386-unknown-cygwin32 # hack again
 191         TargetPlatform=i386-unknown-cygwin32
 192         BuildPlatform=i386-unknown-cygwin32
 193         HostPlatform_CPP='i386_unknown_cygwin32'
 194         HostArch_CPP='i386'
 195         HostVendor_CPP='unknown'
 196         HostOS_CPP='cygwin32'
 197         exeext='.exe'
 198         ;;
 199 i[[3456]]86-*-mingw32*)
 200         HostPlatform=i386-unknown-mingw32 # hack again
 201         TargetPlatform=i386-unknown-mingw32
 202         BuildPlatform=i386-unknown-mingw32
 203         HostPlatform_CPP='i386_unknown_mingw32'
 204         HostArch_CPP='i386'
 205         HostVendor_CPP='unknown'
 206         HostOS_CPP='mingw32'
 207         exeext='.exe'
 208         ;;
 209 ia64-*-linux*)
 210         HostPlatform=ia64-unknown-linux # hack again
 211         TargetPlatform=ia64-unknown-linux
 212         BuildPlatform=ia64-unknown-linux
 213         HostPlatform_CPP='ia64_unknown_linux'
 214         HostArch_CPP='ia64'
 215         HostVendor_CPP='unknown'
 216         HostOS_CPP='linux'
 217         ;;
 218 m68k-next-nextstep2)
 219         HostPlatform_CPP='m68k_next_nextstep2'
 220         HostArch_CPP='m68k'
 221         HostVendor_CPP='next'
 222         HostOS_CPP='nextstep2'
 223         ;;
 224 m68k-next-nextstep3)
 225         HostPlatform_CPP='m68k_next_nextstep3'
 226         HostArch_CPP='m68k'
 227         HostVendor_CPP='next'
 228         HostOS_CPP='nextstep3'
 229         ;;
 230 i[[3456]]86-next-nextstep3)
 231         HostPlatform=i386-next-nextstep3 # hack again
 232         TargetPlatform=i386-next-nextstep3
 233         BuildPlatform=i386-next-nextstep3
 234         HostPlatform_CPP='i386_next_nextstep3'
 235         HostArch_CPP='i386'
 236         HostVendor_CPP='next'
 237         HostOS_CPP='nextstep3'
 238         ;;
 239 m68k-*-openbsd*)
 240         HostPlatform=m68k-unknown-openbsd
 241         TargetPlatform=m68k-unknown-openbsd
 242         BuildPlatform=m68k-unknown-openbsd
 243         HostPlatform_CPP='m68k_unknown_openbsd'
 244         HostArch_CPP='m68k'
 245         HostVendor_CPP='unknown'
 246         HostOS_CPP='openbsd'
 247         ;;
 248 m68k-apple-netbsd*)
 249         HostPlatform=m68k-apple-netbsd
 250         TargetPlatform=m68k-apple-netbsd
 251         BuildPlatform=m68k-apple-netbsd
 252         HostPlatform_CPP='m68k_apple_netbsd'
 253         HostArch_CPP='m68k'
 254         HostVendor_CPP='apple'
 255         HostOS_CPP='netbsd'
 256         ;;
 257 m68k-sun-sunos4*)
 258         HostPlatform=m68k-sun-sunos4
 259         TargetPlatform=m68k-sun-sunos4 #hack
 260         BuildPlatform=m68k-sun-sunos4 #hack
 261         HostPlatform_CPP='m68k_sun_sunos4'
 262         HostArch_CPP='m68k'
 263         HostVendor_CPP='sun'
 264         HostOS_CPP='sunos4'
 265         ;;
 266 mips-dec-ultrix*)
 267         HostPlatform_CPP='mips_dec_ultrix'
 268         HostArch_CPP='mipsel'   # NB a little different
 269         HostVendor_CPP='dec'
 270         HostOS_CPP='ultrix'
 271         ;;
 272 mips-sgi-irix*)
 273         HostPlatform=mips-sgi-irix
 274         TargetPlatform=mips-sgi-irix #hack
 275         BuildPlatform=mips-sgi-irix #hack
 276         HostPlatform_CPP='mips_sgi_irix'
 277         HostArch_CPP='mipseb'   # NB a little different
 278         HostVendor_CPP='sgi'
 279         HostOS_CPP='irix'
 280         ;;
 281 rs6000-ibm-aix*)
 282         HostPlatform=rs6000-ibm-aix
 283         TargetPlatform=rs6000-ibm-aix #hack
 284         BuildPlatform=rs6000-ibm-aix #hack
 285         HostPlatform_CPP='rs6000_ibm_aix'
 286         HostArch_CPP='rs6000'
 287         HostVendor_CPP='ibm'
 288         HostOS_CPP='aix'
 289         ;;
 290 powerpc-ibm-aix*)
 291         HostPlatform=powerpc-ibm-aix
 292         TargetPlatform=powerpc-ibm-aix #hack
 293         BuildPlatform=powerpc-ibm-aix #hack
 294         HostPlatform_CPP='powerpc_ibm_aix'
 295         HostArch_CPP='powerpc'
 296         HostVendor_CPP='ibm'
 297         HostOS_CPP='aix'
 298         ;;
 299 powerpc-apple-darwin*)
 300         HostPlatform=powerpc-apple-darwin
 301         TargetPlatform=powerpc-apple-darwin #hack
 302         BuildPlatform=powerpc-apple-darwin #hack
 303         HostPlatform_CPP='powerpc_apple_darwin'
 304         HostArch_CPP='powerpc'
 305         HostVendor_CPP='apple'
 306         HostOS_CPP='darwin'
 307         ;;
 308 sparc-sun-sunos4*)
 309         HostPlatform=sparc-sun-sunos4
 310         TargetPlatform=sparc-sun-sunos4 #hack
 311         BuildPlatform=sparc-sun-sunos4 #hack
 312         HostPlatform_CPP='sparc_sun_sunos4'
 313         HostArch_CPP='sparc'
 314         HostVendor_CPP='sun'
 315         HostOS_CPP='sunos4'
 316         ;;
 317 sparc-sun-solaris2*)
 318         HostPlatform=sparc-sun-solaris2
 319         TargetPlatform=sparc-sun-solaris2 #hack
 320         BuildPlatform=sparc-sun-solaris2 #hack
 321         HostPlatform_CPP='sparc_sun_solaris2'
 322         HostArch_CPP='sparc'
 323         HostVendor_CPP='sun'
 324         HostOS_CPP='solaris2'
 325         ;;
 326 *)
 327         echo "Unrecognised platform: $HostPlatform"
 328         exit 1
 329         ;;
 330 esac
 331 echo "Canonicalised to: $HostPlatform"
 332 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 333 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 334
 335 BuildPlatform_CPP=$HostPlatform_CPP
 336 TargetPlatform_CPP=$HostPlatform_CPP
 337 BuildArch_CPP=$HostArch_CPP
 338 TargetArch_CPP=$HostArch_CPP
 339 BuildOS_CPP=$HostOS_CPP
 340 HostOS_Full=$host_os
 341 TargetOS_CPP=$HostOS_CPP
 342 BuildVendor_CPP=$HostVendor_CPP
 343 TargetVendor_CPP=$HostVendor_CPP
 344
 345 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 346 dnl AC_SUBST(BuildPlatform)
 347
 348 AC_SUBST(HostPlatform)
 349 AC_SUBST(TargetPlatform)
 350 AC_SUBST(HostPlatform_CPP)
 351 dnl AC_SUBST(BuildPlatform_CPP)
 352 dnl AC_SUBST(TargetPlatform_CPP)
 353
 354 AC_SUBST(HostArch_CPP)
 355 dnl AC_SUBST(BuildArch_CPP)
 356 dnl AC_SUBST(TargetArch_CPP)
 357
 358 AC_SUBST(HostOS_CPP)
 359 AC_SUBST(HostOS_Full)
 360 dnl AC_SUBST(BuildOS_CPP)
 361 dnl AC_SUBST(TargetOS_CPP)
 362
 363 AC_SUBST(HostVendor_CPP)
 364 dnl AC_SUBST(BuildVendor_CPP)
 365 dnl AC_SUBST(TargetVendor_CPP)
 366
 367 AC_SUBST(exeext)
 368
 369 #
 370 # The native format for 'hardtop' (i.e., right kind of slashes on a Win32 box).
 371 # (but with b-slashes being escaped).
 372 case $HostPlatform in
 373   i386-unknown-mingw32 | i386-unknown-cygwin32)
 374         # get rid off /cygdrive/ prefix
 375         hardtop=`echo ${hardtop} | sed -e 's%^/cygdrive/\(.\)/%\1:/%' `
 376         hardtop_plat=`cygpath -w ${hardtop} | sed -e 's@\\\\@\\\\\\\\@g' `
 377         ;;
 378   *)
 379         hardtop_plat=${hardtop}
 380         ;;
 381 esac
 382 AC_SUBST(hardtop)
 383 AC_SUBST(hardtop_plat)
 384
 385 dnl --------------------------------------------------------------
 386 dnl * Project specific configuration options
 387 dnl --------------------------------------------------------------
 388 dnl What follows is a bunch of options that can either be configured
 389 dnl through command line options to the configure script or by
 390 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 391 dnl use either is considered a Feature.
 392
 393 dnl ** What command to use to compile compiler sources ?
 394 dnl --------------------------------------------------------------
 395
 396 AC_ARG_WITH(ghc,
 397 [  --with-ghc=<haskell compiler>
 398         Use a command different from 'ghc' to compile GHC-specific Haskell code
 399             (including GHC itself).
 400 ],
 401 [ WithGhc="$withval" ],
 402 [
 403   if test "$GHC" = ""; then
 404     AC_PATH_PROG(GHC,ghc)
 405   fi
 406   WithGhc=$GHC
 407 ]
 408 )
 409 AC_SUBST(WithGhc)
 410
 411 AC_ARG_WITH(hc,
 412 [  --with-hc=<haskell compiler>
 413         Use a command different from 'ghc' to compile generic Haskell code.
 414 ],
 415 [WithHc="$withval"],
 416 [WithHc=$WithGhc]
 417 )
 418 AC_SUBST(WithHc)
 419
 420 if test "$WithGhc" != ""; then
 421   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 422   AC_SUBST(GhcVersion)dnl
 423   AC_SUBST(GhcMajVersion)dnl
 424   AC_SUBST(GhcMinVersion)dnl
 425   AC_SUBST(GhcPatchLevel)dnl
 426 fi
 427
 428 AC_PATH_PROGS(NHC,nhc nhc98)
 429 AC_PATH_PROG(HBC,hbc)
 430
 431 dnl ** Which gcc to use?
 432 dnl --------------------------------------------------------------
 433 AC_ARG_WITH(gcc,
 434 [  --with-gcc=<gcc command>
 435         Use a different command instead of 'gcc' for the GNU C compiler.
 436 ],
 437 [WhatGccIsCalled="$withval"
 438  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
 439     # Canonicalise to <drive>:/path/to/gcc
 440     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 441  fi;
 442  CC="$withval"],
 443 [WhatGccIsCalled="gcc"]
 444 )
 445 AC_SUBST(WhatGccIsCalled)
 446
 447 dnl ** Booting from .hc files?
 448 dnl --------------------------------------------------------------
 449 AC_ARG_ENABLE(hc-boot,
 450 [  --enable-hc-boot
 451         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 452         (This option is mostly of interest to porters.)
 453 ],
 454 [BootingFromHc=YES],
 455 [BootingFromHc=NO]
 456 )
 457 AC_SUBST(BootingFromHc)
 458
 459 dnl ** Booting from unregisterised .hc files?
 460 dnl --------------------------------------------------------------
 461 AC_ARG_ENABLE(hc-boot-unregisterised,
 462 [  --enable-hc-boot-unregisterised
 463         With --enable-hc-boot, treat the intermediate .hc files as
 464         unregisterised rather than registerised code.
 465         (This option is mostly of interest to porters.)
 466 ],
 467 [BootingFromUnregisterisedHc=YES],
 468 [BootingFromUnregisterisedHc=NO]
 469 )
 470 AC_SUBST(BootingFromUnregisterisedHc)
 471
 472 if test "$BootingFromHc" = "NO"; then
 473 if test "$BootingFromUnregisterisedHc" = "YES"; then
 474 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 475 fi;
 476 fi;
 477
 478 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 479 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 480 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 481 fi;
 482
 483 dnl ** Enable multi-thread friendly RTS?
 484 dnl --------------------------------------------------------------
 485 AC_ARG_ENABLE(threaded-rts,
 486 [  --enable-threaded-rts
 487         Support better interop with OS threads.
 488 ],
 489 [ThreadedRts=YES],
 490 [ThreadedRts=NO]
 491 )
 492 AC_SUBST(ThreadedRts)
 493
 494 dnl ** Enable the construction of Win32 DLLs?
 495 dnl --------------------------------------------------------------
 496 AC_ARG_ENABLE(win32-dlls,
 497 [  --enable-win32-dlls
 498         If on a Win32 platform running mingw32/cygwin, enable the
 499         construction of DLLs containing ghc-compiled code.
 500 ],
 501 [
 502 case $HostOS_CPP in
 503 cygwin32) ;;
 504 mingw32)  ;;
 505 *)    echo "Unrecognised win32 platform: $HostPlatform"
 506       exit 1
 507       ;;
 508 esac
 509 EnableWin32DLLs=YES
 510 ],
 511 [EnableWin32DLLs=NO]
 512 )
 513 AC_SUBST(EnableWin32DLLs)
 514 if test x"$EnableWin32DLLs" = "xYES" ; then
 515  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 516 fi
 517
 518 dnl ** Enable the building of the ObjectIO?
 519 dnl --------------------------------------------------------------
 520 AC_ARG_ENABLE(objectio,
 521 [  --enable-objectio
 522         Build ObjectIO, a portable GUI library for Haskell.
 523         (This option is only relevant when libraries are built.)
 524 ],
 525 [GhcLibsWithObjectIO=YES],
 526 [GhcLibsWithObjectIO=NO]
 527 )
 528 AC_SUBST(GhcLibsWithObjectIO)
 529
 530 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 531 dnl --------------------------------------------------------------
 532 AC_ARG_ENABLE(hopengl,
 533 [  --enable-hopengl
 534         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 535         (NOTE: Work in progress, currently only GLUT is supported!)
 536 ],
 537 [GhcLibsWithHOpenGL=YES],
 538 [GhcLibsWithHOpenGL=NO]
 539 )
 540 AC_SUBST(GhcLibsWithHOpenGL)
 541
 542 dnl ** .NET interop support?
 543 dnl --------------------------------------------------------------
 544 AC_ARG_ENABLE(dotnet,
 545 [  --enable-dotnet
 546         Build .NET interop layer.
 547 ],
 548 [DotnetSupport=YES],
 549 [DotnetSupport=NO]
 550 )
 551 AC_DEFINE(WANT_DOTNET_SUPPORT)
 552 AC_SUBST(DotnetSupport)
 553
 554 dnl --------------------------------------------------------------
 555 dnl End of configure script option section
 556 dnl --------------------------------------------------------------
 557
 558
 559 dnl --------------------------------------------------------------
 560 dnl * General configuration checks
 561 dnl --------------------------------------------------------------
 562
 563 dnl ** does #! work?
 564 AC_SYS_INTERPRETER()
 565
 566 dnl ** look for `perl', but only in /bin on Windows
 567 case $HostOS_CPP in
 568 cygwin32|mingw32)
 569       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 570       if test -z "$PerlCmd"; then
 571          echo "You must install the version of Perl shipped with GHC"
 572          echo "(or a compatible one) in /bin."
 573          exit 1
 574       fi
 575    ;;
 576 *)
 577    AC_PATH_PROG(PerlCmd,perl)
 578    if test -z "$PerlCmd"; then
 579       echo "You must install perl before you can continue"
 580       echo "Perhaps it is already installed, but not in your PATH?"
 581       exit 1
 582    else
 583    FPTOOLS_CHECK_PERL_VERSION
 584    fi
 585    ;;
 586 esac
 587
 588 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 589 FPTOOLS_SHEBANG_PERL
 590
 591 dnl ** check for Python
 592 AC_PATH_PROG(PythonCmd,python)
 593
 594 dnl ** look for GCC and find out which version
 595 dnl     Figure out which C compiler to use.  Gcc is preferred.
 596 dnl     If gcc, make sure it's at least 2.1
 597 dnl
 598 AC_PROG_CC
 599 FPTOOLS_HAVE_GCC
 600 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 601
 602 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 603 AC_PROG_CPP
 604
 605 dnl ** Without optimization some INLINE trickery fails for GHCi
 606 SRC_CC_OPTS="-O"
 607
 608 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 609 if test x"$TargetOS_CPP" = x"mingw32"; then
 610   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 611   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 612   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 613 fi
 614 AC_SUBST(SRC_CC_OPTS)
 615
 616 dnl ** figure out how to do context diffs
 617 FPTOOLS_PROG_DIFF
 618
 619 dnl ** Find find command (for Win32's benefit)
 620 FPTOOLS_FIND_FIND
 621
 622 dnl ** look for a decent parser generator (bison preferred)
 623 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 624 dnl  on the suitability of the 'yacc' returned.)
 625 FPTOOLS_PROG_YACCY
 626
 627 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 628 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 629 dnl    exists if 'flex' doesn't.
 630 AC_PROG_LEX_STRICT
 631
 632 dnl ** figure out how to do a BSD-ish install
 633 AC_PROG_INSTALL
 634
 635 dnl If you can run configure, you certainly have /bin/sh
 636 AC_DEFINE(HAVE_BIN_SH)
 637
 638 dnl ** how to invoke `ar' and `ranlib'
 639 FPTOOLS_PROG_AR_AND_RANLIB
 640
 641 dnl ** Check to see whether ln -s works
 642 AC_PROG_LN_S
 643
 644
 645 dnl ** Find the path to sed
 646 AC_PATH_PROG(SedCmd,sed)
 647
 648
 649 dnl ** check for time command
 650 AC_PATH_PROG(TimeCmd,time)
 651
 652 dnl ** check for tar
 653 dnl   if GNU tar is named gtar, look for it first.
 654 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 655
 656 dnl ** check for gzip/compress
 657 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 658
 659 dnl ** check for jade/openjade & determine a working catalog
 660 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 661 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 662                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 663 if test -z "$Catalog"; then
 664   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 665 fi
 666 case $Catalog in
 667    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 668         Catalog=
 669         ;;
 670    glafp*)
 671         case $HostOS_CPP in
 672            mingw32)
 673               Catalog=`cygpath -w $hardtop/$Catalog`
 674               ;;
 675            *) Catalog=$hardtop/$Catalog
 676               ;;
 677         esac
 678    ;;
 679 esac
 680 AC_SUBST(Catalog)
 681
 682 compress_nm=`basename $CompressCmd`
 683 if test x"$compress_nm" = xgzip; then
 684   CompressCmd="$CompressCmd -d"
 685   CompressSuffix="gz"
 686 else
 687   CompressSuffix="Z"
 688 fi
 689 AC_SUBST(CompressCmd)
 690 AC_SUBST(CompressSuffix)
 691
 692 dnl ** check for ghc-pkg command
 693 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 694
 695 AC_ARG_WITH(greencard,
 696 [  --with-greencard=<greencard compiler>
 697         Use a command different from 'green-card' to compile GreenCard files
 698 ],
 699 [
 700 GreencardCmd=$withval;
 701 FPTOOLS_GREENCARD(3.00)
 702 ]
 703 )
 704
 705 AC_ARG_ENABLE(src-tree-happy,
 706 [  --enable-src-tree-happy
 707         Build and use source tree (fptools/happy) version of happy.
 708 ],
 709 [UseSrcTreeHappy=YES],
 710 [UseSrcTreeHappy=NO]
 711 )
 712 dnl ** check for installed happy binary + version
 713 dnl    (don't do it if we're booting from .hc files though.)
 714 if test "$BootingFromHc" = "NO"; then
 715 FPTOOLS_HAPPY
 716 fi;
 717
 718 AC_ARG_ENABLE(src-tree-haddock,
 719 [  --enable-src-tree-haddock
 720         Build and use source tree (fptools/haddock) version of haddock.
 721 ],
 722 [UseSrcTreeHaddock=YES],
 723 [UseSrcTreeHaddock=NO]
 724 )
 725 dnl ** check for installed haddock
 726 FPTOOLS_HADDOCK
 727
 728 dnl --------------------------------------------------
 729 dnl ### program checking section ends here ###
 730 dnl --------------------------------------------------
 731
 732 dnl --------------------------------------------------
 733 dnl * Platform header file and syscall feature tests
 734 dnl ### checking the state of the local header files and syscalls ###
 735
 736 dnl ** check for full ANSI header (.h) files
 737 AC_HEADER_STDC
 738
 739 dnl ** Enable large file support.  NB. do this before testing the type of
 740 dnl    off_t, because it will affect the result of that test.
 741 AC_SYS_LARGEFILE
 742
 743 dnl ** check for specific header (.h) files that we are interested in
 744 AC_CHECK_HEADERS(Files.h arpa/inet.h assert.h console.h ctype.h dirent.h errno.h fcntl.h float.h ftw.h grp.h ieee754.h inttypes.h limits.h malloc.h memory.h nlist.h pascal.h pwd.h sgtty.h siginfo.h signal.h stat.h stdint.h stdlib.h stddef.h stdarg.h string.h sys/fault.h sys/file.h sys/ioctl.h sys/limits.h sys/mman.h sys/param.h sys/procfs.h sys/resource.h sys/signal.h sys/socket.h netdb.h netinet/in.h netinet/tcp.h sys/stat.h sys/syscall.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/types.h sys/un.h sys/utsname.h sys/vadvise.h sys/wait.h termio.h termios.h time.h types.h unistd.h utime.h values.h vfork.h bfd.h winsock.h pthread.h sys/uio.h)
 745 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 746
 747 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 748 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 749
 750 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 751   HaveReadlineHeaders=YES
 752   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 753 else
 754   HaveReadlineHeaders=NO
 755   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 756 fi
 757 AC_SUBST(HaveReadlineHeaders)
 758
 759 dnl ** check for DOS include files
 760 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 761
 762 dnl ** check for Windows include files
 763 AC_CHECK_HEADERS(windows.h)
 764
 765 dnl ** check for OpenGL include files
 766 AC_CHECK_HEADERS(GL/gl.h)
 767
 768 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 769 AC_HEADER_TIME
 770
 771 dnl dynamic loading include files
 772 AC_CHECK_HEADERS(dlfcn.h dl.h)
 773
 774 dnl ** check for farcalloc (in bcc)
 775 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 776
 777 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 778 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 779
 780 dnl ** check for POSIX regex
 781 HavePosixRegex=NO
 782 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 783 AC_SUBST(HavePosixRegex)
 784
 785 dnl ** how do we get a timezone name, and UTC offset ?
 786 AC_STRUCT_TIMEZONE
 787
 788 dnl ** what's the type of timezone?
 789 FPTOOLS_HAVE_TIMEZONE
 790 FPTOOLS_TYPE_TIMEZONE
 791
 792 dnl ** do we have altzone?
 793 FPTOOLS_ALTZONE
 794
 795 dnl ** does struct stat contain st_blksize?
 796 AC_STRUCT_ST_BLKSIZE
 797
 798 dnl ** do we have long longs?
 799 FPTOOLS_C_LONG_LONG
 800
 801 dnl ** check what fields struct msghdr contains
 802 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 803 FPTOOLS_MSGHDR_MSG_CONTROL
 804
 805 dnl ** what are the sizes of various types
 806 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 807 AC_CHECK_SIZEOF(char,               1)
 808 AC_CHECK_SIZEOF(double,             8)
 809 AC_CHECK_SIZEOF(float,              4)
 810 AC_CHECK_SIZEOF(int,                4)
 811 AC_CHECK_SIZEOF(long,               4)
 812 if test "$fptools_cv_have_long_long" = yes; then
 813 AC_CHECK_SIZEOF(long long,          8)
 814 fi
 815 AC_CHECK_SIZEOF(short,              2)
 816 AC_CHECK_SIZEOF(unsigned char,      1)
 817 AC_CHECK_SIZEOF(unsigned int,       4)
 818 AC_CHECK_SIZEOF(unsigned long,      4)
 819 if test "$fptools_cv_have_long_long" = yes; then
 820 AC_CHECK_SIZEOF(unsigned long long, 8)
 821 fi
 822 AC_CHECK_SIZEOF(unsigned short,     2)
 823 AC_CHECK_SIZEOF(void *,             4)
 824
 825 dnl ** what are alignment constraints on various types
 826 FPTOOLS_CHECK_ALIGNMENT(char)
 827 FPTOOLS_CHECK_ALIGNMENT(double)
 828 FPTOOLS_CHECK_ALIGNMENT(float)
 829 FPTOOLS_CHECK_ALIGNMENT(int)
 830 FPTOOLS_CHECK_ALIGNMENT(long)
 831 if test "$fptools_cv_have_long_long" = yes; then
 832 FPTOOLS_CHECK_ALIGNMENT(long long)
 833 fi
 834 FPTOOLS_CHECK_ALIGNMENT(short)
 835 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 836 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 837 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 838 if test "$fptools_cv_have_long_long" = yes; then
 839 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 840 fi
 841 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 842 FPTOOLS_CHECK_ALIGNMENT(void *)
 843
 844 dnl ** map standard C types and ISO types to Haskell types
 845 FPTOOLS_CHECK_HTYPE(char)
 846 FPTOOLS_CHECK_HTYPE(signed char)
 847 FPTOOLS_CHECK_HTYPE(unsigned char)
 848 FPTOOLS_CHECK_HTYPE(short)
 849 FPTOOLS_CHECK_HTYPE(unsigned short)
 850 FPTOOLS_CHECK_HTYPE(int)
 851 FPTOOLS_CHECK_HTYPE(unsigned int)
 852 FPTOOLS_CHECK_HTYPE(long)
 853 FPTOOLS_CHECK_HTYPE(unsigned long)
 854 if test "$fptools_cv_have_long_long" = yes; then
 855 FPTOOLS_CHECK_HTYPE(long long)
 856 FPTOOLS_CHECK_HTYPE(unsigned long long)
 857 fi
 858 FPTOOLS_CHECK_HTYPE(float)
 859 FPTOOLS_CHECK_HTYPE(double)
 860 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 861 FPTOOLS_CHECK_HTYPE(size_t)
 862 FPTOOLS_CHECK_HTYPE(wchar_t)
 863 dnl Int32 is a HACK for non-ISO C compilers
 864 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 865 FPTOOLS_CHECK_HTYPE(clock_t)
 866 FPTOOLS_CHECK_HTYPE(time_t)
 867 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 868 FPTOOLS_CHECK_HTYPE(ino_t)
 869 FPTOOLS_CHECK_HTYPE(mode_t)
 870 FPTOOLS_CHECK_HTYPE(off_t)
 871 FPTOOLS_CHECK_HTYPE(pid_t)
 872 FPTOOLS_CHECK_HTYPE(gid_t)
 873 FPTOOLS_CHECK_HTYPE(uid_t)
 874 FPTOOLS_CHECK_HTYPE(cc_t)
 875 FPTOOLS_CHECK_HTYPE(speed_t)
 876 FPTOOLS_CHECK_HTYPE(tcflag_t)
 877 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 878 FPTOOLS_CHECK_HTYPE(nlink_t)
 879 FPTOOLS_CHECK_HTYPE(ssize_t)
 880 FPTOOLS_CHECK_HTYPE(rlim_t)
 881
 882 dnl ** Map OpenGL data types to Haskell types
 883 if test $GhcLibsWithHOpenGL = YES ; then
 884 FPTOOLS_CHECK_HTYPE(GLboolean)
 885 FPTOOLS_CHECK_HTYPE(GLbyte)
 886 FPTOOLS_CHECK_HTYPE(GLubyte)
 887 FPTOOLS_CHECK_HTYPE(GLshort)
 888 FPTOOLS_CHECK_HTYPE(GLushort)
 889 FPTOOLS_CHECK_HTYPE(GLint)
 890 FPTOOLS_CHECK_HTYPE(GLuint)
 891 FPTOOLS_CHECK_HTYPE(GLsizei)
 892 FPTOOLS_CHECK_HTYPE(GLenum)
 893 FPTOOLS_CHECK_HTYPE(GLbitfield)
 894 FPTOOLS_CHECK_HTYPE(GLfloat)
 895 FPTOOLS_CHECK_HTYPE(GLclampf)
 896 FPTOOLS_CHECK_HTYPE(GLdouble)
 897 FPTOOLS_CHECK_HTYPE(GLclampd)
 898 fi
 899
 900 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 901
 902 dnl ** can we open files in binary mode?
 903 FPTOOLS_O_BINARY
 904
 905 dnl ** check for GetModuleFileName and WinExec (windows only)
 906 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 907 dnl Doesn't work because the linker can't see the functions if
 908 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 909
 910 FPTOOLS_TRY_LINK_NOWARN(,[
 911 #if HAVE_WINDOWS_H
 912 #include <windows.h>
 913 #endif
 914 main() {
 915   WinExec("",0);
 916   exit(0);
 917 }
 918 ],
 919 [have_winexec=1],
 920 [have_winexec=0])
 921 if test "$have_winexec" = "1"; then
 922 AC_DEFINE(HAVE_WINEXEC)
 923 fi
 924
 925 FPTOOLS_TRY_LINK_NOWARN(,[
 926 #if HAVE_WINDOWS_H
 927 #include <windows.h>
 928 #endif
 929 main() {
 930   char* dir;
 931   GetModuleFileName((HMODULE)0,dir,0);
 932   exit(0);
 933 }
 934 ],
 935 [have_getmodulefilename=1],
 936 [have_getmodulefilename=0])
 937 if test "$have_getmodulefilename" = "1"; then
 938 AC_DEFINE(HAVE_GETMODULEFILENAME)
 939 fi
 940
 941 dnl ** check return type of signal handlers
 942 dnl Foo: assumes we can use prototypes.
 943 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 944 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 945 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 946 dnl #include <signal.h>
 947 dnl #ifdef signal
 948 dnl #undef signal
 949 dnl #endif
 950 dnl void (*signal (int, void (*)(int)))(int);
 951 dnl ],
 952 dnl [int i;],
 953 dnl ac_cv_type_signal_handler=void_int,
 954 dnl ac_cv_type_signal_handler=int_void)])
 955 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 956 dnl AC_DEFINE(VOID_INT_SIGNALS)
 957 dnl fi
 958
 959 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 960 AC_TYPE_SIGNAL
 961 if test "$ac_cv_type_signal" = void; then
 962 AC_DEFINE(VOID_INT_SIGNALS)
 963 fi
 964
 965 dnl ** check for more functions
 966 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 967 AC_CHECK_FUNCS(strcmp)
 968 AC_CHECK_FUNCS(realpath _fullpath)
 969 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 970 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 971 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 972 AC_CHECK_FUNCS(snprintf  _snprintf )
 973 AC_CHECK_FUNCS(popen     _popen )
 974 AC_CHECK_FUNCS(pclose    _pclose )
 975 AC_CHECK_FUNCS(setenv unsetenv)
 976
 977
 978 dnl ** check for specific library functions that we are interested in
 979 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
 980
 981 dnl ** Solaris2 needs additionl flag for getpw*_r()
 982 case "$TargetPlatform" in
 983   *-solaris2*)
 984     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
 985     AC_SUBST(unix_SRC_HSC2HS_OPTS)
 986   ;;
 987 esac
 988
 989 dnl ** check whether this machine has gmp3 installed
 990 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 991   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 992     HaveLibGmp=NO; LibGmp=not-installed))
 993 AC_SUBST(HaveLibGmp)
 994 AC_SUBST(LibGmp)
 995
 996 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 997 HaveFrameworkHaskellSupport=NO
 998 if test $HostPlatform = "powerpc-apple-darwin"; then
 999  AC_MSG_CHECKING([for HaskellSupport.framework])
1000  save_libs="$LIBS"
1001  LIBS="-framework HaskellSupport"
1002  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1003  if test $HaveFrameworkHaskellSupport = YES; then
1004   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1005  fi;
1006  LIBS="$save_libs"
1007  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1008 fi;
1009 AC_SUBST(HaveFrameworkHaskellSupport)
1010
1011 dnl ** check for mingwex library
1012 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1013 AC_SUBST(HaveLibMingwEx)
1014
1015 if test $HaveLibMingwEx = YES ; then
1016   AC_DEFINE(HAVE_MINGWEX)
1017 fi
1018
1019 if test "$HaveLibGmp" = "NO"; then
1020 if test "$HostArch_CPP" = "ia64"; then
1021 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1022 fi;
1023 fi;
1024
1025 dnl ** check whether this machine has GNU regex in libc.
1026 FPTOOLS_REGEX_IN_LIBC
1027
1028 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1029 dnl    the order of these tests matters: bfd needs liberty
1030 AC_CHECK_LIB(iberty, xmalloc)
1031 AC_CHECK_LIB(bfd,    bfd_init)
1032
1033 dnl ** check for readline, for Hugs and hslibs' Readline
1034 dnl ncurses supersedes termcap and curses, but for compatibility,
1035 dnl we have to check for all...
1036 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1037   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1038     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1039       HaveLibTermcap=NO; LibTermcap=not-installed)))
1040
1041 if test $HaveLibTermcap = YES ; then
1042   LIBS="-l$LibTermcap $LIBS"
1043   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1044 fi
1045
1046 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1047   AC_DEFINE(HAVE_READLINE_LIBS,1)
1048   LibsReadline="readline $LibTermcap"
1049 else
1050   AC_DEFINE(HAVE_READLINE_LIBS,0)
1051   LibsReadline=
1052 fi
1053 AC_SUBST(LibsReadline)
1054
1055 if test "$HaveLibReadline"; then
1056   AC_CHECK_LIB(readline, rl_erase_empty_line,
1057     [AC_DEFINE(HAVE_READLINE_4, 1)],
1058     [AC_DEFINE(HAVE_READLINE_4, 0)])
1059   AC_CHECK_LIB(readline, rl_free_undo_list,
1060     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1061     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1062 else
1063   AC_DEFINE(HAVE_READLINE_4, 0)
1064   AC_DEFINE(HAVE_READLINE_4_2, 0)
1065 fi
1066
1067 dnl ** check for math library
1068 FPTOOLS_CHECK_LIBM()
1069 AC_SUBST(LIBM)
1070
1071 case $HostOS_CPP in
1072 cygwin32) ;;
1073 mingw32)  ;;
1074 *) AC_PATH_XTRA() ;;
1075 esac
1076
1077 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1078 if test $GhcLibsWithHOpenGL = YES ; then
1079 FPTOOLS_HAVE_OPENGL
1080 fi
1081
1082 dnl ################################################################
1083 dnl Check for libraries
1084 dnl ################################################################
1085
1086 dnl ** check for libdl & RTLD_NEXT
1087
1088 dnl (Mac OS X only) ... but don't check if we already have the
1089 dnl HaskellSupport.framework
1090
1091 if test $HaveFrameworkHaskellSupport = YES; then
1092     HaveLibDL=NO
1093     HaveRtldNext=NO
1094     HaveRtldLocal=YES
1095     AC_DEFINE(HAVE_RTLDLOCAL)
1096     HaveRtldGlobal=YES
1097     AC_DEFINE(HAVE_RTLDGLOBAL)
1098     HaveRtldNow=YES
1099     AC_DEFINE(HAVE_RTLDNOW)
1100     AC_SUBST(HaveLibDL)
1101     AC_SUBST(HaveRtldNext)
1102     AC_SUBST(HaveRtldLocal)
1103     AC_SUBST(HaveRtldGlobal)
1104     AC_SUBST(HaveRtldNow)
1105 else
1106     AC_CHECK_LIB(dl, dlopen,
1107         [HaveLibDL=YES
1108          AC_DEFINE(HAVE_LIBDL)
1109          LIBS="$LIBS -ldl"],
1110         [HaveLibDL=NO])
1111     AC_CHECK_FUNCS(dlopen)
1112     AC_SUBST(HaveLibDL)
1113
1114     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1115     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1116     AC_EGREP_CPP(yes,
1117     [
1118      #include <dlfcn.h>
1119      #ifdef RTLD_NEXT
1120             yes
1121      #endif
1122     ], [
1123       AC_MSG_RESULT(yes)
1124       AC_DEFINE(HAVE_RTLDNEXT)
1125       HaveRtldNext=YES
1126     ], [
1127       AC_MSG_RESULT(no)
1128       HaveRtldNext=NO
1129       ])
1130     AC_SUBST(HaveRtldNext)
1131
1132     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1133     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1134     AC_EGREP_CPP(yes,
1135     [
1136      #include <dlfcn.h>
1137      #ifdef RTLD_LOCAL
1138             yes
1139      #endif
1140     ], [
1141       AC_MSG_RESULT(yes)
1142       AC_DEFINE(HAVE_RTLDLOCAL)
1143       HaveRtldLocal=YES
1144     ], [
1145       AC_MSG_RESULT(no)
1146       HaveRtldLocal=NO
1147       ])
1148     AC_SUBST(HaveRtldLocal)
1149
1150     dnl ** RTLD_GLOBAL isn't available on openbsd
1151     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1152     AC_EGREP_CPP(yes,
1153     [
1154      #include <dlfcn.h>
1155      #ifdef RTLD_GLOBAL
1156             yes
1157      #endif
1158     ], [
1159       AC_MSG_RESULT(yes)
1160       AC_DEFINE(HAVE_RTLDGLOBAL)
1161       HaveRtldGlobal=YES
1162     ], [
1163       AC_MSG_RESULT(no)
1164       HaveRtldGlobal=NO
1165       ])
1166     AC_SUBST(HaveRtldGlobal)
1167
1168     dnl ** RTLD_NOW isn't available on openbsd
1169     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1170     AC_EGREP_CPP(yes,
1171     [
1172      #include <dlfcn.h>
1173      #ifdef RTLD_NOW
1174             yes
1175      #endif
1176     ], [
1177       AC_MSG_RESULT(yes)
1178       AC_DEFINE(HAVE_RTLDNOW)
1179       HaveRtldNow=YES
1180     ], [
1181       AC_MSG_RESULT(no)
1182       HaveRtldNow=NO
1183       ])
1184     AC_SUBST(HaveRtldNow)
1185 fi
1186
1187 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1188
1189 dnl ---------- usleep ----------
1190 dnl --- stolen from guile configure ---
1191 dnl --- FIXME: /usr/include/unistd.h can't be right?
1192
1193 ### On some systems usleep has no return value.  If it does have one,
1194 ### we'd like to return it; otherwise, we'll fake it.
1195 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1196   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1197                    /usr/include/unistd.h,
1198                    [cv_func_usleep_return_type=void],
1199                    [cv_func_usleep_return_type=int])])
1200 case "$cv_func_usleep_return_type" in
1201   "void" )
1202     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1203       [Define if the system headers declare usleep to return void.])
1204   ;;
1205 esac
1206
1207 dnl --------------------------------------------------
1208 dnl * test for in_addr_t
1209 dnl --------------------------------------------------
1210 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1211 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1212  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1213  AC_MSG_RESULT(no))
1214
1215 dnl --------------------------------------------------
1216 dnl * test for Linux sendfile(2)
1217 dnl --------------------------------------------------
1218 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1219 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1220  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1221  AC_MSG_RESULT(no))
1222
1223 dnl --------------------------------------------------
1224 dnl * test for BSD sendfile(2)
1225 dnl --------------------------------------------------
1226 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1227 AC_EGREP_HEADER(sendfile, sys/socket.h,
1228  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1229  AC_MSG_RESULT(no))
1230
1231 dnl --------------------------------------------------
1232 dnl * test for GTK+
1233 dnl --------------------------------------------------
1234
1235 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1236 if test "$GTK_CONFIG" != ""; then
1237    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1238         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1239     ])
1240     GTK_VERSION=$fptools_cv_gtk_version
1241 else
1242     GTK_VERSION=
1243 fi
1244
1245 case $fptools_cv_gtk_version in
1246   1.[[23]].*) ;;
1247   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1248      GTK_CONFIG=
1249      ;;
1250 esac
1251
1252 AC_SUBST(GTK_CONFIG)
1253 AC_SUBST(GTK_VERSION)
1254
1255 dnl --------------------------------------------------
1256 dnl * Miscellaneous feature tests
1257 dnl --------------------------------------------------
1258
1259 dnl ** can we get alloca?
1260 AC_FUNC_ALLOCA
1261
1262 dnl ** determine whether or not const works
1263 AC_C_CONST
1264
1265 dnl ** determine whether ANSI-function prototypes work?
1266 AC_C_PROTOTYPES
1267
1268 dnl ** are we big endian?
1269 AC_C_BIGENDIAN
1270
1271 dnl ** check for leading underscores in symbol names
1272 FPTOOLS_UNDERSCORE
1273
1274 dnl ** check for ld, and whether ld has -x option
1275 AC_PATH_PROG(LdCmdRaw, ld)
1276 case $HostOS_CPP in
1277  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1278            ;;
1279  *) LdCmd=${LdCmdRaw}
1280     ;;
1281 esac
1282 AC_SUBST(LdCmd)
1283 FPTOOLS_LD_X
1284
1285 AC_MSG_CHECKING([for SIGPOLL])
1286 AC_EGREP_CPP(we_have_sigpoll,
1287 [#include <signal.h>
1288 #ifdef SIGPOLL
1289 we_have_sigpoll
1290 #endif
1291 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1292 AC_MSG_RESULT([$haveSIGPOLL])
1293
1294 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1295 AC_EGREP_CPP(we_have_that_sysconf_thing,
1296 [
1297 #include <unistd.h>
1298 #ifdef _SC_GETGR_R_SIZE_MAX
1299 we_have_that_sysconf_thing
1300 #endif
1301 ],
1302 [AC_MSG_RESULT([yes])
1303 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1304 [AC_MSG_RESULT([no])])
1305
1306 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1307 AC_EGREP_CPP(we_have_that_sysconf_thing,
1308 [
1309 #include <unistd.h>
1310 #ifdef _SC_GETPW_R_SIZE_MAX
1311 we_have_that_sysconf_thing
1312 #endif
1313 ],
1314 [AC_MSG_RESULT([yes])
1315 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1316 [AC_MSG_RESULT([no])])
1317
1318 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )