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; AC_DEFINE(WANT_DOTNET_SUPPORT)],
 549 [DotnetSupport=NO]
 550 )
 551 AC_SUBST(DotnetSupport)
 552
 553 dnl --------------------------------------------------------------
 554 dnl End of configure script option section
 555 dnl --------------------------------------------------------------
 556
 557
 558 dnl --------------------------------------------------------------
 559 dnl * General configuration checks
 560 dnl --------------------------------------------------------------
 561
 562 dnl ** does #! work?
 563 AC_SYS_INTERPRETER()
 564
 565 dnl ** look for `perl', but only in /bin on Windows
 566 case $HostOS_CPP in
 567 cygwin32|mingw32)
 568       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 569       if test -z "$PerlCmd"; then
 570          echo "You must install the version of Perl shipped with GHC"
 571          echo "(or a compatible one) in /bin."
 572          exit 1
 573       fi
 574    ;;
 575 *)
 576    AC_PATH_PROG(PerlCmd,perl)
 577    if test -z "$PerlCmd"; then
 578       echo "You must install perl before you can continue"
 579       echo "Perhaps it is already installed, but not in your PATH?"
 580       exit 1
 581    else
 582    FPTOOLS_CHECK_PERL_VERSION
 583    fi
 584    ;;
 585 esac
 586
 587 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 588 FPTOOLS_SHEBANG_PERL
 589
 590 dnl ** check for Python
 591 AC_PATH_PROG(PythonCmd,python)
 592
 593 dnl ** look for GCC and find out which version
 594 dnl     Figure out which C compiler to use.  Gcc is preferred.
 595 dnl     If gcc, make sure it's at least 2.1
 596 dnl
 597 AC_PROG_CC
 598 FPTOOLS_HAVE_GCC
 599 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 600
 601 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 602 AC_PROG_CPP
 603
 604 dnl ** Without optimization some INLINE trickery fails for GHCi
 605 SRC_CC_OPTS="-O"
 606
 607 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 608 if test x"$TargetOS_CPP" = x"mingw32"; then
 609   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 610   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 611   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 612 fi
 613 AC_SUBST(SRC_CC_OPTS)
 614
 615 dnl ** figure out how to do context diffs
 616 FPTOOLS_PROG_DIFF
 617
 618 dnl ** Find find command (for Win32's benefit)
 619 FPTOOLS_FIND_FIND
 620
 621 dnl ** look for a decent parser generator (bison preferred)
 622 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 623 dnl  on the suitability of the 'yacc' returned.)
 624 FPTOOLS_PROG_YACCY
 625
 626 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 627 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 628 dnl    exists if 'flex' doesn't.
 629 AC_PROG_LEX_STRICT
 630
 631 dnl ** figure out how to do a BSD-ish install
 632 AC_PROG_INSTALL
 633
 634 dnl If you can run configure, you certainly have /bin/sh
 635 AC_DEFINE(HAVE_BIN_SH)
 636
 637 dnl ** how to invoke `ar' and `ranlib'
 638 FPTOOLS_PROG_AR_AND_RANLIB
 639
 640 dnl ** Check to see whether ln -s works
 641 AC_PROG_LN_S
 642
 643
 644 dnl ** Find the path to sed
 645 AC_PATH_PROG(SedCmd,sed)
 646
 647
 648 dnl ** check for time command
 649 AC_PATH_PROG(TimeCmd,time)
 650
 651 dnl ** check for tar
 652 dnl   if GNU tar is named gtar, look for it first.
 653 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 654
 655 dnl ** check for gzip/compress
 656 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 657
 658 dnl ** check for jade/openjade & determine a working catalog
 659 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 660 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 661                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 662 if test -z "$Catalog"; then
 663   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 664 fi
 665 case $Catalog in
 666    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 667         Catalog=
 668         ;;
 669    glafp*)
 670         case $HostOS_CPP in
 671            mingw32)
 672               Catalog=`cygpath -w $hardtop/$Catalog`
 673               ;;
 674            *) Catalog=$hardtop/$Catalog
 675               ;;
 676         esac
 677    ;;
 678 esac
 679 AC_SUBST(Catalog)
 680
 681 compress_nm=`basename $CompressCmd`
 682 if test x"$compress_nm" = xgzip; then
 683   CompressCmd="$CompressCmd -d"
 684   CompressSuffix="gz"
 685 else
 686   CompressSuffix="Z"
 687 fi
 688 AC_SUBST(CompressCmd)
 689 AC_SUBST(CompressSuffix)
 690
 691 dnl ** check for ghc-pkg command
 692 AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 693
 694 AC_ARG_WITH(greencard,
 695 [  --with-greencard=<greencard compiler>
 696         Use a command different from 'green-card' to compile GreenCard files
 697 ],
 698 [
 699 GreencardCmd=$withval;
 700 FPTOOLS_GREENCARD(3.00)
 701 ]
 702 )
 703
 704 AC_ARG_ENABLE(src-tree-happy,
 705 [  --enable-src-tree-happy
 706         Build and use source tree (fptools/happy) version of happy.
 707 ],
 708 [UseSrcTreeHappy=YES],
 709 [UseSrcTreeHappy=NO]
 710 )
 711 dnl ** check for installed happy binary + version
 712 dnl    (don't do it if we're booting from .hc files though.)
 713 if test "$BootingFromHc" = "NO"; then
 714 FPTOOLS_HAPPY
 715 fi;
 716
 717 AC_ARG_ENABLE(src-tree-haddock,
 718 [  --enable-src-tree-haddock
 719         Build and use source tree (fptools/haddock) version of haddock.
 720 ],
 721 [UseSrcTreeHaddock=YES],
 722 [UseSrcTreeHaddock=NO]
 723 )
 724 dnl ** check for installed haddock
 725 FPTOOLS_HADDOCK
 726
 727 dnl --------------------------------------------------
 728 dnl ### program checking section ends here ###
 729 dnl --------------------------------------------------
 730
 731 dnl --------------------------------------------------
 732 dnl * Platform header file and syscall feature tests
 733 dnl ### checking the state of the local header files and syscalls ###
 734
 735 dnl ** check for full ANSI header (.h) files
 736 AC_HEADER_STDC
 737
 738 dnl ** Enable large file support.  NB. do this before testing the type of
 739 dnl    off_t, because it will affect the result of that test.
 740 AC_SYS_LARGEFILE
 741
 742 dnl ** check for specific header (.h) files that we are interested in
 743 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)
 744 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 745
 746 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 747 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 748
 749 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 750   HaveReadlineHeaders=YES
 751   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 752 else
 753   HaveReadlineHeaders=NO
 754   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 755 fi
 756 AC_SUBST(HaveReadlineHeaders)
 757
 758 dnl ** check for DOS include files
 759 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 760
 761 dnl ** check for Windows include files
 762 AC_CHECK_HEADERS(windows.h)
 763
 764 dnl ** check for OpenGL include files
 765 AC_CHECK_HEADERS(GL/gl.h)
 766
 767 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 768 AC_HEADER_TIME
 769
 770 dnl dynamic loading include files
 771 AC_CHECK_HEADERS(dlfcn.h dl.h)
 772
 773 dnl ** check for farcalloc (in bcc)
 774 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 775
 776 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 777 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 778
 779 dnl ** check for POSIX regex
 780 HavePosixRegex=NO
 781 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 782 AC_SUBST(HavePosixRegex)
 783
 784 dnl ** how do we get a timezone name, and UTC offset ?
 785 AC_STRUCT_TIMEZONE
 786
 787 dnl ** what's the type of timezone?
 788 FPTOOLS_HAVE_TIMEZONE
 789 FPTOOLS_TYPE_TIMEZONE
 790
 791 dnl ** do we have altzone?
 792 FPTOOLS_ALTZONE
 793
 794 dnl ** does struct stat contain st_blksize?
 795 AC_STRUCT_ST_BLKSIZE
 796
 797 dnl ** do we have long longs?
 798 FPTOOLS_C_LONG_LONG
 799
 800 dnl ** check what fields struct msghdr contains
 801 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 802 FPTOOLS_MSGHDR_MSG_CONTROL
 803
 804 dnl ** what are the sizes of various types
 805 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 806 AC_CHECK_SIZEOF(char,               1)
 807 AC_CHECK_SIZEOF(double,             8)
 808 AC_CHECK_SIZEOF(float,              4)
 809 AC_CHECK_SIZEOF(int,                4)
 810 AC_CHECK_SIZEOF(long,               4)
 811 if test "$fptools_cv_have_long_long" = yes; then
 812 AC_CHECK_SIZEOF(long long,          8)
 813 fi
 814 AC_CHECK_SIZEOF(short,              2)
 815 AC_CHECK_SIZEOF(unsigned char,      1)
 816 AC_CHECK_SIZEOF(unsigned int,       4)
 817 AC_CHECK_SIZEOF(unsigned long,      4)
 818 if test "$fptools_cv_have_long_long" = yes; then
 819 AC_CHECK_SIZEOF(unsigned long long, 8)
 820 fi
 821 AC_CHECK_SIZEOF(unsigned short,     2)
 822 AC_CHECK_SIZEOF(void *,             4)
 823
 824 dnl ** what are alignment constraints on various types
 825 FPTOOLS_CHECK_ALIGNMENT(char)
 826 FPTOOLS_CHECK_ALIGNMENT(double)
 827 FPTOOLS_CHECK_ALIGNMENT(float)
 828 FPTOOLS_CHECK_ALIGNMENT(int)
 829 FPTOOLS_CHECK_ALIGNMENT(long)
 830 if test "$fptools_cv_have_long_long" = yes; then
 831 FPTOOLS_CHECK_ALIGNMENT(long long)
 832 fi
 833 FPTOOLS_CHECK_ALIGNMENT(short)
 834 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 835 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 836 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 837 if test "$fptools_cv_have_long_long" = yes; then
 838 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 839 fi
 840 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 841 FPTOOLS_CHECK_ALIGNMENT(void *)
 842
 843 dnl ** map standard C types and ISO types to Haskell types
 844 FPTOOLS_CHECK_HTYPE(char)
 845 FPTOOLS_CHECK_HTYPE(signed char)
 846 FPTOOLS_CHECK_HTYPE(unsigned char)
 847 FPTOOLS_CHECK_HTYPE(short)
 848 FPTOOLS_CHECK_HTYPE(unsigned short)
 849 FPTOOLS_CHECK_HTYPE(int)
 850 FPTOOLS_CHECK_HTYPE(unsigned int)
 851 FPTOOLS_CHECK_HTYPE(long)
 852 FPTOOLS_CHECK_HTYPE(unsigned long)
 853 if test "$fptools_cv_have_long_long" = yes; then
 854 FPTOOLS_CHECK_HTYPE(long long)
 855 FPTOOLS_CHECK_HTYPE(unsigned long long)
 856 fi
 857 FPTOOLS_CHECK_HTYPE(float)
 858 FPTOOLS_CHECK_HTYPE(double)
 859 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 860 FPTOOLS_CHECK_HTYPE(size_t)
 861 FPTOOLS_CHECK_HTYPE(wchar_t)
 862 dnl Int32 is a HACK for non-ISO C compilers
 863 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 864 FPTOOLS_CHECK_HTYPE(clock_t)
 865 FPTOOLS_CHECK_HTYPE(time_t)
 866 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 867 FPTOOLS_CHECK_HTYPE(ino_t)
 868 FPTOOLS_CHECK_HTYPE(mode_t)
 869 FPTOOLS_CHECK_HTYPE(off_t)
 870 FPTOOLS_CHECK_HTYPE(pid_t)
 871 FPTOOLS_CHECK_HTYPE(gid_t)
 872 FPTOOLS_CHECK_HTYPE(uid_t)
 873 FPTOOLS_CHECK_HTYPE(cc_t)
 874 FPTOOLS_CHECK_HTYPE(speed_t)
 875 FPTOOLS_CHECK_HTYPE(tcflag_t)
 876 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 877 FPTOOLS_CHECK_HTYPE(nlink_t)
 878 FPTOOLS_CHECK_HTYPE(ssize_t)
 879 FPTOOLS_CHECK_HTYPE(rlim_t)
 880
 881 dnl ** Map OpenGL data types to Haskell types
 882 if test $GhcLibsWithHOpenGL = YES ; then
 883 FPTOOLS_CHECK_HTYPE(GLboolean)
 884 FPTOOLS_CHECK_HTYPE(GLbyte)
 885 FPTOOLS_CHECK_HTYPE(GLubyte)
 886 FPTOOLS_CHECK_HTYPE(GLshort)
 887 FPTOOLS_CHECK_HTYPE(GLushort)
 888 FPTOOLS_CHECK_HTYPE(GLint)
 889 FPTOOLS_CHECK_HTYPE(GLuint)
 890 FPTOOLS_CHECK_HTYPE(GLsizei)
 891 FPTOOLS_CHECK_HTYPE(GLenum)
 892 FPTOOLS_CHECK_HTYPE(GLbitfield)
 893 FPTOOLS_CHECK_HTYPE(GLfloat)
 894 FPTOOLS_CHECK_HTYPE(GLclampf)
 895 FPTOOLS_CHECK_HTYPE(GLdouble)
 896 FPTOOLS_CHECK_HTYPE(GLclampd)
 897 fi
 898
 899 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 900
 901 dnl ** can we open files in binary mode?
 902 FPTOOLS_O_BINARY
 903
 904 dnl ** check for GetModuleFileName and WinExec (windows only)
 905 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 906 dnl Doesn't work because the linker can't see the functions if
 907 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 908
 909 FPTOOLS_TRY_LINK_NOWARN(,[
 910 #if HAVE_WINDOWS_H
 911 #include <windows.h>
 912 #endif
 913 main() {
 914   WinExec("",0);
 915   exit(0);
 916 }
 917 ],
 918 [have_winexec=1],
 919 [have_winexec=0])
 920 if test "$have_winexec" = "1"; then
 921 AC_DEFINE(HAVE_WINEXEC)
 922 fi
 923
 924 FPTOOLS_TRY_LINK_NOWARN(,[
 925 #if HAVE_WINDOWS_H
 926 #include <windows.h>
 927 #endif
 928 main() {
 929   char* dir;
 930   GetModuleFileName((HMODULE)0,dir,0);
 931   exit(0);
 932 }
 933 ],
 934 [have_getmodulefilename=1],
 935 [have_getmodulefilename=0])
 936 if test "$have_getmodulefilename" = "1"; then
 937 AC_DEFINE(HAVE_GETMODULEFILENAME)
 938 fi
 939
 940 dnl ** check return type of signal handlers
 941 dnl Foo: assumes we can use prototypes.
 942 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 943 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 944 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 945 dnl #include <signal.h>
 946 dnl #ifdef signal
 947 dnl #undef signal
 948 dnl #endif
 949 dnl void (*signal (int, void (*)(int)))(int);
 950 dnl ],
 951 dnl [int i;],
 952 dnl ac_cv_type_signal_handler=void_int,
 953 dnl ac_cv_type_signal_handler=int_void)])
 954 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 955 dnl AC_DEFINE(VOID_INT_SIGNALS)
 956 dnl fi
 957
 958 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 959 AC_TYPE_SIGNAL
 960 if test "$ac_cv_type_signal" = void; then
 961 AC_DEFINE(VOID_INT_SIGNALS)
 962 fi
 963
 964 dnl ** check for more functions
 965 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 966 AC_CHECK_FUNCS(strcmp)
 967 AC_CHECK_FUNCS(realpath _fullpath)
 968 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 969 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 970 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 971 AC_CHECK_FUNCS(snprintf  _snprintf )
 972 AC_CHECK_FUNCS(popen     _popen )
 973 AC_CHECK_FUNCS(pclose    _pclose )
 974 AC_CHECK_FUNCS(setenv unsetenv)
 975
 976
 977 dnl ** check for specific library functions that we are interested in
 978 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
 979
 980 dnl ** Solaris2 needs additionl flag for getpw*_r()
 981 case "$TargetPlatform" in
 982   *-solaris2*)
 983     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
 984     AC_SUBST(unix_SRC_HSC2HS_OPTS)
 985   ;;
 986 esac
 987
 988 dnl ** check whether this machine has gmp3 installed
 989 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
 990   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
 991     HaveLibGmp=NO; LibGmp=not-installed))
 992 AC_SUBST(HaveLibGmp)
 993 AC_SUBST(LibGmp)
 994
 995 dnl ** (Mac OS X only: check for HaskellSupport.framework)
 996 HaveFrameworkHaskellSupport=NO
 997 if test $HostPlatform = "powerpc-apple-darwin"; then
 998  AC_MSG_CHECKING([for HaskellSupport.framework])
 999  save_libs="$LIBS"
1000  LIBS="-framework HaskellSupport"
1001  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1002  if test $HaveFrameworkHaskellSupport = YES; then
1003   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1004  fi;
1005  LIBS="$save_libs"
1006  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1007 fi;
1008 AC_SUBST(HaveFrameworkHaskellSupport)
1009
1010 dnl ** check for mingwex library
1011 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1012 AC_SUBST(HaveLibMingwEx)
1013
1014 if test $HaveLibMingwEx = YES ; then
1015   AC_DEFINE(HAVE_MINGWEX)
1016 fi
1017
1018 if test "$HaveLibGmp" = "NO"; then
1019 if test "$HostArch_CPP" = "ia64"; then
1020 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1021 fi;
1022 fi;
1023
1024 dnl ** check whether this machine has GNU regex in libc.
1025 FPTOOLS_REGEX_IN_LIBC
1026
1027 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1028 dnl    the order of these tests matters: bfd needs liberty
1029 AC_CHECK_LIB(iberty, xmalloc)
1030 AC_CHECK_LIB(bfd,    bfd_init)
1031
1032 dnl ** check for readline, for Hugs and hslibs' Readline
1033 dnl ncurses supersedes termcap and curses, but for compatibility,
1034 dnl we have to check for all...
1035 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1036   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1037     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1038       HaveLibTermcap=NO; LibTermcap=not-installed)))
1039
1040 if test $HaveLibTermcap = YES ; then
1041   LIBS="-l$LibTermcap $LIBS"
1042   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1043 fi
1044
1045 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1046   AC_DEFINE(HAVE_READLINE_LIBS,1)
1047   LibsReadline="readline $LibTermcap"
1048 else
1049   AC_DEFINE(HAVE_READLINE_LIBS,0)
1050   LibsReadline=
1051 fi
1052 AC_SUBST(LibsReadline)
1053
1054 if test "$HaveLibReadline"; then
1055   AC_CHECK_LIB(readline, rl_erase_empty_line,
1056     [AC_DEFINE(HAVE_READLINE_4, 1)],
1057     [AC_DEFINE(HAVE_READLINE_4, 0)])
1058   AC_CHECK_LIB(readline, rl_free_undo_list,
1059     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1060     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1061 else
1062   AC_DEFINE(HAVE_READLINE_4, 0)
1063   AC_DEFINE(HAVE_READLINE_4_2, 0)
1064 fi
1065
1066 dnl ** check for math library
1067 FPTOOLS_CHECK_LIBM()
1068 AC_SUBST(LIBM)
1069
1070 case $HostOS_CPP in
1071 cygwin32) ;;
1072 mingw32)  ;;
1073 *) AC_PATH_XTRA() ;;
1074 esac
1075
1076 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1077 if test $GhcLibsWithHOpenGL = YES ; then
1078 FPTOOLS_HAVE_OPENGL
1079 fi
1080
1081 dnl ################################################################
1082 dnl Check for libraries
1083 dnl ################################################################
1084
1085 dnl ** check for libdl & RTLD_NEXT
1086
1087 dnl (Mac OS X only) ... but don't check if we already have the
1088 dnl HaskellSupport.framework
1089
1090 if test $HaveFrameworkHaskellSupport = YES; then
1091     HaveLibDL=NO
1092     HaveRtldNext=NO
1093     HaveRtldLocal=YES
1094     AC_DEFINE(HAVE_RTLDLOCAL)
1095     HaveRtldGlobal=YES
1096     AC_DEFINE(HAVE_RTLDGLOBAL)
1097     HaveRtldNow=YES
1098     AC_DEFINE(HAVE_RTLDNOW)
1099     AC_SUBST(HaveLibDL)
1100     AC_SUBST(HaveRtldNext)
1101     AC_SUBST(HaveRtldLocal)
1102     AC_SUBST(HaveRtldGlobal)
1103     AC_SUBST(HaveRtldNow)
1104 else
1105     AC_CHECK_LIB(dl, dlopen,
1106         [HaveLibDL=YES
1107          AC_DEFINE(HAVE_LIBDL)
1108          LIBS="$LIBS -ldl"],
1109         [HaveLibDL=NO])
1110     AC_CHECK_FUNCS(dlopen)
1111     AC_SUBST(HaveLibDL)
1112
1113     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1114     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1115     AC_EGREP_CPP(yes,
1116     [
1117      #include <dlfcn.h>
1118      #ifdef RTLD_NEXT
1119             yes
1120      #endif
1121     ], [
1122       AC_MSG_RESULT(yes)
1123       AC_DEFINE(HAVE_RTLDNEXT)
1124       HaveRtldNext=YES
1125     ], [
1126       AC_MSG_RESULT(no)
1127       HaveRtldNext=NO
1128       ])
1129     AC_SUBST(HaveRtldNext)
1130
1131     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1132     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1133     AC_EGREP_CPP(yes,
1134     [
1135      #include <dlfcn.h>
1136      #ifdef RTLD_LOCAL
1137             yes
1138      #endif
1139     ], [
1140       AC_MSG_RESULT(yes)
1141       AC_DEFINE(HAVE_RTLDLOCAL)
1142       HaveRtldLocal=YES
1143     ], [
1144       AC_MSG_RESULT(no)
1145       HaveRtldLocal=NO
1146       ])
1147     AC_SUBST(HaveRtldLocal)
1148
1149     dnl ** RTLD_GLOBAL isn't available on openbsd
1150     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1151     AC_EGREP_CPP(yes,
1152     [
1153      #include <dlfcn.h>
1154      #ifdef RTLD_GLOBAL
1155             yes
1156      #endif
1157     ], [
1158       AC_MSG_RESULT(yes)
1159       AC_DEFINE(HAVE_RTLDGLOBAL)
1160       HaveRtldGlobal=YES
1161     ], [
1162       AC_MSG_RESULT(no)
1163       HaveRtldGlobal=NO
1164       ])
1165     AC_SUBST(HaveRtldGlobal)
1166
1167     dnl ** RTLD_NOW isn't available on openbsd
1168     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1169     AC_EGREP_CPP(yes,
1170     [
1171      #include <dlfcn.h>
1172      #ifdef RTLD_NOW
1173             yes
1174      #endif
1175     ], [
1176       AC_MSG_RESULT(yes)
1177       AC_DEFINE(HAVE_RTLDNOW)
1178       HaveRtldNow=YES
1179     ], [
1180       AC_MSG_RESULT(no)
1181       HaveRtldNow=NO
1182       ])
1183     AC_SUBST(HaveRtldNow)
1184 fi
1185
1186 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1187
1188 dnl ---------- usleep ----------
1189 dnl --- stolen from guile configure ---
1190 dnl --- FIXME: /usr/include/unistd.h can't be right?
1191
1192 ### On some systems usleep has no return value.  If it does have one,
1193 ### we'd like to return it; otherwise, we'll fake it.
1194 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1195   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1196                    /usr/include/unistd.h,
1197                    [cv_func_usleep_return_type=void],
1198                    [cv_func_usleep_return_type=int])])
1199 case "$cv_func_usleep_return_type" in
1200   "void" )
1201     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1202       [Define if the system headers declare usleep to return void.])
1203   ;;
1204 esac
1205
1206 dnl --------------------------------------------------
1207 dnl * test for in_addr_t
1208 dnl --------------------------------------------------
1209 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1210 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1211  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1212  AC_MSG_RESULT(no))
1213
1214 dnl --------------------------------------------------
1215 dnl * test for Linux sendfile(2)
1216 dnl --------------------------------------------------
1217 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1218 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1219  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1220  AC_MSG_RESULT(no))
1221
1222 dnl --------------------------------------------------
1223 dnl * test for BSD sendfile(2)
1224 dnl --------------------------------------------------
1225 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1226 AC_EGREP_HEADER(sendfile, sys/socket.h,
1227  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1228  AC_MSG_RESULT(no))
1229
1230 dnl --------------------------------------------------
1231 dnl * test for GTK+
1232 dnl --------------------------------------------------
1233
1234 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1235 if test "$GTK_CONFIG" != ""; then
1236    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1237         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1238     ])
1239     GTK_VERSION=$fptools_cv_gtk_version
1240 else
1241     GTK_VERSION=
1242 fi
1243
1244 case $fptools_cv_gtk_version in
1245   1.[[23]].*) ;;
1246   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1247      GTK_CONFIG=
1248      ;;
1249 esac
1250
1251 AC_SUBST(GTK_CONFIG)
1252 AC_SUBST(GTK_VERSION)
1253
1254 dnl --------------------------------------------------
1255 dnl * Miscellaneous feature tests
1256 dnl --------------------------------------------------
1257
1258 dnl ** can we get alloca?
1259 AC_FUNC_ALLOCA
1260
1261 dnl ** determine whether or not const works
1262 AC_C_CONST
1263
1264 dnl ** determine whether ANSI-function prototypes work?
1265 AC_C_PROTOTYPES
1266
1267 dnl ** are we big endian?
1268 AC_C_BIGENDIAN
1269
1270 dnl ** check for leading underscores in symbol names
1271 FPTOOLS_UNDERSCORE
1272
1273 dnl ** check for ld, and whether ld has -x option
1274 AC_PATH_PROG(LdCmdRaw, ld)
1275 case $HostOS_CPP in
1276  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1277            ;;
1278  *) LdCmd=${LdCmdRaw}
1279     ;;
1280 esac
1281 AC_SUBST(LdCmd)
1282 FPTOOLS_LD_X
1283
1284 AC_MSG_CHECKING([for SIGPOLL])
1285 AC_EGREP_CPP(we_have_sigpoll,
1286 [#include <signal.h>
1287 #ifdef SIGPOLL
1288 we_have_sigpoll
1289 #endif
1290 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1291 AC_MSG_RESULT([$haveSIGPOLL])
1292
1293 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1294 AC_EGREP_CPP(we_have_that_sysconf_thing,
1295 [
1296 #include <unistd.h>
1297 #ifdef _SC_GETGR_R_SIZE_MAX
1298 we_have_that_sysconf_thing
1299 #endif
1300 ],
1301 [AC_MSG_RESULT([yes])
1302 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1303 [AC_MSG_RESULT([no])])
1304
1305 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1306 AC_EGREP_CPP(we_have_that_sysconf_thing,
1307 [
1308 #include <unistd.h>
1309 #ifdef _SC_GETPW_R_SIZE_MAX
1310 we_have_that_sysconf_thing
1311 #endif
1312 ],
1313 [AC_MSG_RESULT([yes])
1314 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1315 [AC_MSG_RESULT([no])])
1316
1317 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )