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"$srcdir" != 'x.' ; then
  37     echo "This configuration does not support the \`--srcdir' option.."
  38     exit 1
  39 fi
  40
  41 dnl--------------------------------------------------------------------
  42 dnl * Choose host(/target/build) platform
  43 dnl--------------------------------------------------------------------
  44
  45 dnl Guess host/target/build platform(s) if necessary.
  46 AC_CANONICAL_SYSTEM
  47
  48 # "$host" defaults to "$target"
  49 if test "x$host" = xNONE ; then
  50     host=$target
  51 fi
  52
  53 dnl ** canonicalize platform names
  54 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  55 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  56 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  57
  58 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  59     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  60     exit 1
  61 fi
  62
  63 exeext=''
  64 #
  65 # The following will be more difficult when we *are* cross-compiling.
  66 # Suitable names to slam in *_CPP are in platform.h.in.
  67 # We also record the architecture, vendor, and operating system (OS)
  68 # separately.
  69 case $HostPlatform in
  70 alpha*-dec-osf[[12]]*)
  71         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  72         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  73         BuildPlatform=alpha-dec-osf1  # hack
  74         HostPlatform_CPP='alpha_dec_osf1'
  75         HostArch_CPP='alpha'
  76         HostVendor_CPP='dec'
  77         HostOS_CPP='osf1'
  78         ;;
  79 alpha*-dec-osf[[345]]*)
  80         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  81         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  82         BuildPlatform=alpha-dec-osf3  # hack
  83         HostPlatform_CPP='alpha_dec_osf3'
  84         HostArch_CPP='alpha'
  85         HostVendor_CPP='dec'
  86         HostOS_CPP='osf3'
  87         ;;
  88 alpha*-unknown-linux)
  89         HostPlatform=alpha-unknown-linux
  90         TargetPlatform=alpha-unknown-linux
  91         BuildPlatform=alpha-unknown-linux
  92         HostPlatform_CPP='alpha_unknown_linux'
  93         HostArch_CPP='alpha'
  94         HostVendor_CPP='unknown'
  95         HostOS_CPP='linux'
  96         ;;
  97 alpha*-unknown-freebsd*)
  98         HostPlatform=alpha-unknown-freebsd
  99         TargetPlatform=alpha-unknown-freebsd
 100         BuildPlatform=alpha-unknown-freebsd
 101         HostPlatform_CPP='alpha_unknown_freebsd'
 102         HostArch_CPP='alpha'
 103         HostVendor_CPP='unknown'
 104         HostOS_CPP='freebsd'
 105         ;;
 106 hppa1.1-hp-hpux*)
 107         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 108         TargetPlatform=hppa1.1-hp-hpux
 109         BuildPlatform=hppa1.1-hp-hpux
 110         HostPlatform_CPP='hppa1_1_hp_hpux'
 111         HostArch_CPP='hppa1_1'
 112         HostVendor_CPP='hp'
 113         HostOS_CPP='hpux'
 114         ;;
 115 i[[3456]]86-*-linuxaout*)
 116         HostPlatform=i386-unknown-linuxaout   # hack again
 117         TargetPlatform=i386-unknown-linuxaout
 118         BuildPlatform=i386-unknown-linuxaout
 119         HostPlatform_CPP='i386_unknown_linuxaout'
 120         HostArch_CPP='i386'
 121         HostVendor_CPP='unknown'
 122         HostOS_CPP='linuxaout'
 123         ;;
 124 i[[3456]]86-*-linux*)
 125         HostPlatform=i386-unknown-linux # hack again
 126         TargetPlatform=i386-unknown-linux
 127         BuildPlatform=i386-unknown-linux
 128         HostPlatform_CPP='i386_unknown_linux'
 129         HostArch_CPP='i386'
 130         HostVendor_CPP='unknown'
 131         HostOS_CPP='linux'
 132         ;;
 133 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 134         HostPlatform=i386-unknown-freebsd # hack again
 135         TargetPlatform=i386-unknown-freebsd
 136         BuildPlatform=i386-unknown-freebsd
 137         HostPlatform_CPP='i386_unknown_freebsd'
 138         HostArch_CPP='i386'
 139         HostVendor_CPP='unknown'
 140         HostOS_CPP='freebsd'
 141         ;;
 142 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 143         HostPlatform=i386-unknown-freebsd2 # hack again
 144         TargetPlatform=i386-unknown-freebsd2
 145         BuildPlatform=i386-unknown-freebsd2
 146         HostPlatform_CPP='i386_unknown_freebsd2'
 147         HostArch_CPP='i386'
 148         HostVendor_CPP='unknown'
 149         HostOS_CPP='freebsd2'
 150         ;;
 151 i[[3456]]86-*-netbsd*)
 152         HostPlatform=i386-unknown-netbsd # hack again
 153         TargetPlatform=i386-unknown-netbsd
 154         BuildPlatform=i386-unknown-netbsd
 155         HostPlatform_CPP='i386_unknown_netbsd'
 156         HostArch_CPP='i386'
 157         HostVendor_CPP='unknown'
 158         HostOS_CPP='netbsd'
 159         ;;
 160 i[[3456]]86-*-openbsd*)
 161         HostPlatform=i386-unknown-openbsd # hack again
 162         TargetPlatform=i386-unknown-openbsd
 163         BuildPlatform=i386-unknown-openbsd
 164         HostPlatform_CPP='i386_unknown_openbsd'
 165         HostArch_CPP='i386'
 166         HostVendor_CPP='unknown'
 167         HostOS_CPP='openbsd'
 168         ;;
 169 i[[3456]]86-*-solaris2*)
 170         HostPlatform=i386-unknown-solaris2 # hack again
 171         TargetPlatform=i386-unknown-solaris2
 172         BuildPlatform=i386-unknown-solaris2
 173         HostPlatform_CPP='i386_unknown_solaris2'
 174         HostArch_CPP='i386'
 175         HostVendor_CPP='unknown'
 176         HostOS_CPP='solaris2'
 177         ;;
 178 i[[3456]]86-*-cygwin*)
 179         HostPlatform=i386-unknown-cygwin32 # hack again
 180         TargetPlatform=i386-unknown-cygwin32
 181         BuildPlatform=i386-unknown-cygwin32
 182         HostPlatform_CPP='i386_unknown_cygwin32'
 183         HostArch_CPP='i386'
 184         HostVendor_CPP='unknown'
 185         HostOS_CPP='cygwin32'
 186         exeext='.exe'
 187         ;;
 188 i[[3456]]86-*-mingw32*)
 189         HostPlatform=i386-unknown-mingw32 # hack again
 190         TargetPlatform=i386-unknown-mingw32
 191         BuildPlatform=i386-unknown-mingw32
 192         HostPlatform_CPP='i386_unknown_mingw32'
 193         HostArch_CPP='i386'
 194         HostVendor_CPP='unknown'
 195         HostOS_CPP='mingw32'
 196         exeext='.exe'
 197         ;;
 198 ia64-*-linux*)
 199         HostPlatform=ia64-unknown-linux # hack again
 200         TargetPlatform=ia64-unknown-linux
 201         BuildPlatform=ia64-unknown-linux
 202         HostPlatform_CPP='ia64_unknown_linux'
 203         HostArch_CPP='ia64'
 204         HostVendor_CPP='unknown'
 205         HostOS_CPP='linux'
 206         ;;
 207 m68k-next-nextstep2)
 208         HostPlatform_CPP='m68k_next_nextstep2'
 209         HostArch_CPP='m68k'
 210         HostVendor_CPP='next'
 211         HostOS_CPP='nextstep2'
 212         ;;
 213 m68k-next-nextstep3)
 214         HostPlatform_CPP='m68k_next_nextstep3'
 215         HostArch_CPP='m68k'
 216         HostVendor_CPP='next'
 217         HostOS_CPP='nextstep3'
 218         ;;
 219 i[[3456]]86-next-nextstep3)
 220         HostPlatform=i386-next-nextstep3 # hack again
 221         TargetPlatform=i386-next-nextstep3
 222         BuildPlatform=i386-next-nextstep3
 223         HostPlatform_CPP='i386_next_nextstep3'
 224         HostArch_CPP='i386'
 225         HostVendor_CPP='next'
 226         HostOS_CPP='nextstep3'
 227         ;;
 228 m68k-*-openbsd*)
 229         HostPlatform=m68k-unknown-openbsd
 230         TargetPlatform=m68k-unknown-openbsd
 231         BuildPlatform=m68k-unknown-openbsd
 232         HostPlatform_CPP='m68k_unknown_openbsd'
 233         HostArch_CPP='m68k'
 234         HostVendor_CPP='unknown'
 235         HostOS_CPP='openbsd'
 236         ;;
 237 m68k-apple-netbsd*)
 238         HostPlatform=m68k-apple-netbsd
 239         TargetPlatform=m68k-apple-netbsd
 240         BuildPlatform=m68k-apple-netbsd
 241         HostPlatform_CPP='m68k_apple_netbsd'
 242         HostArch_CPP='m68k'
 243         HostVendor_CPP='apple'
 244         HostOS_CPP='netbsd'
 245         ;;
 246 m68k-sun-sunos4*)
 247         HostPlatform=m68k-sun-sunos4
 248         TargetPlatform=m68k-sun-sunos4 #hack
 249         BuildPlatform=m68k-sun-sunos4 #hack
 250         HostPlatform_CPP='m68k_sun_sunos4'
 251         HostArch_CPP='m68k'
 252         HostVendor_CPP='sun'
 253         HostOS_CPP='sunos4'
 254         ;;
 255 mips-dec-ultrix*)
 256         HostPlatform_CPP='mips_dec_ultrix'
 257         HostArch_CPP='mipsel'   # NB a little different
 258         HostVendor_CPP='dec'
 259         HostOS_CPP='ultrix'
 260         ;;
 261 mips-sgi-irix*)
 262         HostPlatform=mips-sgi-irix
 263         TargetPlatform=mips-sgi-irix #hack
 264         BuildPlatform=mips-sgi-irix #hack
 265         HostPlatform_CPP='mips_sgi_irix'
 266         HostArch_CPP='mipseb'   # NB a little different
 267         HostVendor_CPP='sgi'
 268         HostOS_CPP='irix'
 269         ;;
 270 rs6000-ibm-aix*)
 271         HostPlatform=rs6000-ibm-aix
 272         TargetPlatform=rs6000-ibm-aix #hack
 273         BuildPlatform=rs6000-ibm-aix #hack
 274         HostPlatform_CPP='rs6000_ibm_aix'
 275         HostArch_CPP='rs6000'
 276         HostVendor_CPP='ibm'
 277         HostOS_CPP='aix'
 278         ;;
 279 powerpc-ibm-aix*)
 280         HostPlatform=powerpc-ibm-aix
 281         TargetPlatform=powerpc-ibm-aix #hack
 282         BuildPlatform=powerpc-ibm-aix #hack
 283         HostPlatform_CPP='powerpc_ibm_aix'
 284         HostArch_CPP='powerpc'
 285         HostVendor_CPP='ibm'
 286         HostOS_CPP='aix'
 287         ;;
 288 powerpc-apple-darwin*)
 289         HostPlatform=powerpc-apple-darwin
 290         TargetPlatform=powerpc-apple-darwin #hack
 291         BuildPlatform=powerpc-apple-darwin #hack
 292         HostPlatform_CPP='powerpc_apple_darwin'
 293         HostArch_CPP='powerpc'
 294         HostVendor_CPP='apple'
 295         HostOS_CPP='darwin'
 296         ;;
 297 sparc-sun-sunos4*)
 298         HostPlatform=sparc-sun-sunos4
 299         TargetPlatform=sparc-sun-sunos4 #hack
 300         BuildPlatform=sparc-sun-sunos4 #hack
 301         HostPlatform_CPP='sparc_sun_sunos4'
 302         HostArch_CPP='sparc'
 303         HostVendor_CPP='sun'
 304         HostOS_CPP='sunos4'
 305         ;;
 306 sparc-sun-solaris2*)
 307         HostPlatform=sparc-sun-solaris2
 308         TargetPlatform=sparc-sun-solaris2 #hack
 309         BuildPlatform=sparc-sun-solaris2 #hack
 310         HostPlatform_CPP='sparc_sun_solaris2'
 311         HostArch_CPP='sparc'
 312         HostVendor_CPP='sun'
 313         HostOS_CPP='solaris2'
 314         ;;
 315 *)
 316         echo "Unrecognised platform: $HostPlatform"
 317         exit 1
 318         ;;
 319 esac
 320 echo "Canonicalised to: $HostPlatform"
 321 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 322 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 323
 324 BuildPlatform_CPP=$HostPlatform_CPP
 325 TargetPlatform_CPP=$HostPlatform_CPP
 326 BuildArch_CPP=$HostArch_CPP
 327 TargetArch_CPP=$HostArch_CPP
 328 BuildOS_CPP=$HostOS_CPP
 329 HostOS_Full=$host_os
 330 TargetOS_CPP=$HostOS_CPP
 331 BuildVendor_CPP=$HostVendor_CPP
 332 TargetVendor_CPP=$HostVendor_CPP
 333
 334 dnl Cannot afford all these SUBSTs (because of braindead seds w/ 99 cmd limits)
 335 dnl AC_SUBST(BuildPlatform)
 336
 337 AC_SUBST(HostPlatform)
 338 AC_SUBST(TargetPlatform)
 339 AC_SUBST(HostPlatform_CPP)
 340 dnl AC_SUBST(BuildPlatform_CPP)
 341 dnl AC_SUBST(TargetPlatform_CPP)
 342
 343 AC_SUBST(HostArch_CPP)
 344 dnl AC_SUBST(BuildArch_CPP)
 345 dnl AC_SUBST(TargetArch_CPP)
 346
 347 AC_SUBST(HostOS_CPP)
 348 AC_SUBST(HostOS_Full)
 349 dnl AC_SUBST(BuildOS_CPP)
 350 dnl AC_SUBST(TargetOS_CPP)
 351
 352 AC_SUBST(HostVendor_CPP)
 353 dnl AC_SUBST(BuildVendor_CPP)
 354 dnl AC_SUBST(TargetVendor_CPP)
 355
 356 AC_SUBST(exeext)
 357
 358 dnl --------------------------------------------------------------
 359 dnl * Calculate absolute path to build tree
 360 dnl --------------------------------------------------------------
 361
 362 AC_MSG_CHECKING(for path to top of build tree)
 363
 364 hardtop=`pwd`
 365
 366 dnl Remove common automounter nonsense
 367 dnl
 368 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 369
 370 dnl Find 'hardtop_plat', the native format for 'hardtop' (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
 371 dnl
 372 case $HostPlatform in
 373   i386-unknown-mingw32 | i386-unknown-cygwin32)
 374         # convert $hardtop to a path that mingw will understand too
 375         cyghardtop=${hardtop}
 376         hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 377         hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 378         ;;
 379   *)
 380         hardtop_plat=${hardtop}
 381         ;;
 382 esac
 383 AC_SUBST(hardtop)
 384 AC_SUBST(hardtop_plat)
 385
 386 AC_MSG_RESULT(${hardtop})
 387
 388 dnl --------------------------------------------------------------
 389 dnl * Project specific configuration options
 390 dnl --------------------------------------------------------------
 391 dnl What follows is a bunch of options that can either be configured
 392 dnl through command line options to the configure script or by
 393 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 394 dnl use either is considered a Feature.
 395
 396 dnl ** What command to use to compile compiler sources ?
 397 dnl --------------------------------------------------------------
 398
 399 AC_ARG_WITH(ghc,
 400 [  --with-ghc=<haskell compiler>
 401         Use a command different from 'ghc' to compile GHC-specific Haskell code
 402             (including GHC itself).
 403 ],
 404 [ WithGhc="$withval" ],
 405 [
 406   if test "$GHC" = ""; then
 407     AC_PATH_PROG(GHC,ghc)
 408   fi
 409   WithGhc=$GHC
 410 ]
 411 )
 412 AC_SUBST(WithGhc)
 413
 414 AC_ARG_WITH(hc,
 415 [  --with-hc=<haskell compiler>
 416         Use a command different from 'ghc' to compile generic Haskell code.
 417 ],
 418 [WithHc="$withval"],
 419 [WithHc=$WithGhc]
 420 )
 421 AC_SUBST(WithHc)
 422
 423 if test "$WithGhc" != ""; then
 424   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 425   AC_SUBST(GhcVersion)dnl
 426   AC_SUBST(GhcMajVersion)dnl
 427   AC_SUBST(GhcMinVersion)dnl
 428   AC_SUBST(GhcPatchLevel)dnl
 429 fi
 430
 431 AC_PATH_PROGS(NHC,nhc nhc98)
 432 AC_PATH_PROG(HBC,hbc)
 433
 434 dnl ** Which gcc to use?
 435 dnl --------------------------------------------------------------
 436 AC_ARG_WITH(gcc,
 437 [  --with-gcc=<gcc command>
 438         Use a different command instead of 'gcc' for the GNU C compiler.
 439 ],
 440 [WhatGccIsCalled="$withval"
 441  if test "x$HostPlatform" = "xi386-unknown-mingw32"; then
 442     # Canonicalise to <drive>:/path/to/gcc
 443     withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 444  fi;
 445  CC="$withval"],
 446 [WhatGccIsCalled="gcc"]
 447 )
 448 AC_SUBST(WhatGccIsCalled)
 449
 450 dnl ** Booting from .hc files?
 451 dnl --------------------------------------------------------------
 452 AC_ARG_ENABLE(hc-boot,
 453 [  --enable-hc-boot
 454         Boot the Glasgow Haskell Compiler from intermediate .hc files.
 455         (This option is mostly of interest to porters.)
 456 ],
 457 [BootingFromHc=YES],
 458 [BootingFromHc=NO]
 459 )
 460 AC_SUBST(BootingFromHc)
 461
 462 dnl ** Booting from unregisterised .hc files?
 463 dnl --------------------------------------------------------------
 464 AC_ARG_ENABLE(hc-boot-unregisterised,
 465 [  --enable-hc-boot-unregisterised
 466         With --enable-hc-boot, treat the intermediate .hc files as
 467         unregisterised rather than registerised code.
 468         (This option is mostly of interest to porters.)
 469 ],
 470 [BootingFromUnregisterisedHc=YES],
 471 [BootingFromUnregisterisedHc=NO]
 472 )
 473 AC_SUBST(BootingFromUnregisterisedHc)
 474
 475 if test "$BootingFromHc" = "NO"; then
 476 if test "$BootingFromUnregisterisedHc" = "YES"; then
 477 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 478 fi;
 479 fi;
 480
 481 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 482 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 483 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 484 fi;
 485
 486 dnl ** Enable multi-thread friendly RTS?
 487 dnl --------------------------------------------------------------
 488 AC_ARG_ENABLE(threaded-rts,
 489 [  --enable-threaded-rts
 490         Support better interop with OS threads.
 491 ],
 492 [ThreadedRts=YES],
 493 [ThreadedRts=NO]
 494 )
 495 AC_SUBST(ThreadedRts)
 496
 497 dnl ** Enable the construction of Win32 DLLs?
 498 dnl --------------------------------------------------------------
 499 AC_ARG_ENABLE(win32-dlls,
 500 [  --enable-win32-dlls
 501         If on a Win32 platform running mingw32/cygwin, enable the
 502         construction of DLLs containing ghc-compiled code.
 503 ],
 504 [
 505 case $HostOS_CPP in
 506 cygwin32) ;;
 507 mingw32)  ;;
 508 *)    echo "Unrecognised win32 platform: $HostPlatform"
 509       exit 1
 510       ;;
 511 esac
 512 EnableWin32DLLs=YES
 513 ],
 514 [EnableWin32DLLs=NO]
 515 )
 516 AC_SUBST(EnableWin32DLLs)
 517 if test x"$EnableWin32DLLs" = "xYES" ; then
 518  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 519 fi
 520
 521 dnl ** Enable the building of the ObjectIO?
 522 dnl --------------------------------------------------------------
 523 AC_ARG_ENABLE(objectio,
 524 [  --enable-objectio
 525         Build ObjectIO, a portable GUI library for Haskell.
 526         (This option is only relevant when libraries are built.)
 527 ],
 528 [GhcLibsWithObjectIO=YES],
 529 [GhcLibsWithObjectIO=NO]
 530 )
 531 AC_SUBST(GhcLibsWithObjectIO)
 532
 533 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 534 dnl --------------------------------------------------------------
 535 AC_ARG_ENABLE(hopengl,
 536 [  --enable-hopengl
 537         Build HOpenGL, a Haskell binding for OpenGL/GLUT, too.
 538         (NOTE: Work in progress, currently only GLUT is supported!)
 539 ],
 540 [GhcLibsWithHOpenGL=YES],
 541 [GhcLibsWithHOpenGL=NO]
 542 )
 543 AC_SUBST(GhcLibsWithHOpenGL)
 544
 545 dnl ** .NET interop support?
 546 dnl --------------------------------------------------------------
 547 AC_ARG_ENABLE(dotnet,
 548 [  --enable-dotnet
 549         Build .NET interop layer.
 550 ],
 551 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
 552 [DotnetSupport=NO]
 553 )
 554 AC_SUBST(DotnetSupport)
 555
 556 dnl --------------------------------------------------------------
 557 dnl End of configure script option section
 558 dnl --------------------------------------------------------------
 559
 560
 561 dnl --------------------------------------------------------------
 562 dnl * General configuration checks
 563 dnl --------------------------------------------------------------
 564
 565 dnl ** does #! work?
 566 AC_SYS_INTERPRETER()
 567
 568 dnl ** look for `perl', but only in /bin on Windows
 569 case $HostOS_CPP in
 570 cygwin32|mingw32)
 571       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 572       if test -z "$PerlCmd"; then
 573          echo "You must install the version of Perl shipped with GHC"
 574          echo "(or a compatible one) in /bin."
 575          exit 1
 576       fi
 577    ;;
 578 *)
 579    AC_PATH_PROG(PerlCmd,perl)
 580    if test -z "$PerlCmd"; then
 581       echo "You must install perl before you can continue"
 582       echo "Perhaps it is already installed, but not in your PATH?"
 583       exit 1
 584    else
 585    FPTOOLS_CHECK_PERL_VERSION
 586    fi
 587    ;;
 588 esac
 589
 590 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 591 FPTOOLS_SHEBANG_PERL
 592
 593 dnl ** check for Python
 594 AC_PATH_PROG(PythonCmd,python)
 595
 596 dnl ** look for GCC and find out which version
 597 dnl     Figure out which C compiler to use.  Gcc is preferred.
 598 dnl     If gcc, make sure it's at least 2.1
 599 dnl
 600 AC_PROG_CC
 601 FPTOOLS_HAVE_GCC
 602 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 603
 604 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 605 AC_PROG_CPP
 606
 607 dnl ** Without optimization some INLINE trickery fails for GHCi
 608 SRC_CC_OPTS="-O"
 609
 610 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 611 if test x"$TargetOS_CPP" = x"mingw32"; then
 612   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 613   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 614   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 615 fi
 616 AC_SUBST(SRC_CC_OPTS)
 617
 618 dnl ** figure out how to do context diffs
 619 FPTOOLS_PROG_DIFF
 620
 621 dnl ** Find find command (for Win32's benefit)
 622 FPTOOLS_FIND_FIND
 623
 624 dnl ** look for a decent parser generator (bison preferred)
 625 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 626 dnl  on the suitability of the 'yacc' returned.)
 627 FPTOOLS_PROG_YACCY
 628
 629 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 630 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 631 dnl    exists if 'flex' doesn't.
 632 AC_PROG_LEX_STRICT
 633
 634 dnl ** figure out how to do a BSD-ish install
 635 AC_PROG_INSTALL
 636
 637 dnl If you can run configure, you certainly have /bin/sh
 638 AC_DEFINE(HAVE_BIN_SH)
 639
 640 dnl ** how to invoke `ar' and `ranlib'
 641 FPTOOLS_PROG_AR_AND_RANLIB
 642
 643 dnl ** Check to see whether ln -s works
 644 AC_PROG_LN_S
 645
 646
 647 dnl ** Find the path to sed
 648 AC_PATH_PROG(SedCmd,sed)
 649
 650
 651 dnl ** check for time command
 652 AC_PATH_PROG(TimeCmd,time)
 653
 654 dnl ** check for tar
 655 dnl   if GNU tar is named gtar, look for it first.
 656 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 657
 658 dnl ** check for gzip/compress
 659 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 660
 661 dnl ** check for jade/openjade & determine a working catalog
 662 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 663 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 664                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 665 if test -z "$Catalog"; then
 666   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 667 fi
 668 case $Catalog in
 669    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 670         Catalog=
 671         ;;
 672    glafp*)
 673         case $HostOS_CPP in
 674            mingw32)
 675               Catalog=`cygpath -w $hardtop/$Catalog`
 676               ;;
 677            *) Catalog=$hardtop/$Catalog
 678               ;;
 679         esac
 680    ;;
 681 esac
 682 AC_SUBST(Catalog)
 683
 684 compress_nm=`basename $CompressCmd`
 685 if test x"$compress_nm" = xgzip; then
 686   CompressCmd="$CompressCmd -d"
 687   CompressSuffix="gz"
 688 else
 689   CompressSuffix="Z"
 690 fi
 691 AC_SUBST(CompressCmd)
 692 AC_SUBST(CompressSuffix)
 693
 694 dnl ** check for ghc-pkg command
 695 changequote(, )dnl
 696 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 697 changequote([, ])dnl
 698 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 699    GhcPkgCmd=$ghc_pkg_guess
 700    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 701 else
 702    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 703 fi
 704
 705 AC_ARG_WITH(greencard,
 706 [  --with-greencard=<greencard compiler>
 707         Use a command different from 'green-card' to compile GreenCard files
 708 ],
 709 [
 710 GreencardCmd=$withval;
 711 FPTOOLS_GREENCARD(3.00)
 712 ]
 713 )
 714
 715 AC_ARG_ENABLE(src-tree-happy,
 716 [  --enable-src-tree-happy
 717         Build and use source tree (fptools/happy) version of happy.
 718 ],
 719 [UseSrcTreeHappy=YES],
 720 [UseSrcTreeHappy=NO]
 721 )
 722 dnl ** check for installed happy binary + version
 723 dnl    (don't do it if we're booting from .hc files though.)
 724 if test "$BootingFromHc" = "NO"; then
 725 FPTOOLS_HAPPY
 726 fi;
 727
 728 AC_ARG_ENABLE(src-tree-haddock,
 729 [  --enable-src-tree-haddock
 730         Build and use source tree (fptools/haddock) version of haddock.
 731 ],
 732 [UseSrcTreeHaddock=YES],
 733 [UseSrcTreeHaddock=NO]
 734 )
 735 dnl ** check for installed haddock
 736 FPTOOLS_HADDOCK
 737
 738 dnl --------------------------------------------------
 739 dnl ### program checking section ends here ###
 740 dnl --------------------------------------------------
 741
 742 dnl --------------------------------------------------
 743 dnl * Platform header file and syscall feature tests
 744 dnl ### checking the state of the local header files and syscalls ###
 745
 746 dnl ** check for full ANSI header (.h) files
 747 AC_HEADER_STDC
 748
 749 dnl ** Enable large file support.  NB. do this before testing the type of
 750 dnl    off_t, because it will affect the result of that test.
 751 AC_SYS_LARGEFILE
 752
 753 dnl ** check for specific header (.h) files that we are interested in
 754 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)
 755 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 756
 757 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 758 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 759
 760 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 761   HaveReadlineHeaders=YES
 762   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 763 else
 764   HaveReadlineHeaders=NO
 765   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 766 fi
 767 AC_SUBST(HaveReadlineHeaders)
 768
 769 dnl ** check for DOS include files
 770 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 771
 772 dnl ** check for Windows include files
 773 AC_CHECK_HEADERS(windows.h)
 774
 775 dnl ** check for OpenGL include files
 776 AC_CHECK_HEADERS(GL/gl.h)
 777
 778 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 779 AC_HEADER_TIME
 780
 781 dnl dynamic loading include files
 782 AC_CHECK_HEADERS(dlfcn.h dl.h)
 783
 784 dnl ** check for farcalloc (in bcc)
 785 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 786
 787 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 788 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 789
 790 dnl ** check for POSIX regex
 791 HavePosixRegex=NO
 792 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 793 AC_SUBST(HavePosixRegex)
 794
 795 dnl ** how do we get a timezone name, and UTC offset ?
 796 AC_STRUCT_TIMEZONE
 797
 798 dnl ** what's the type of timezone?
 799 FPTOOLS_HAVE_TIMEZONE
 800 FPTOOLS_TYPE_TIMEZONE
 801
 802 dnl ** do we have altzone?
 803 FPTOOLS_ALTZONE
 804
 805 dnl ** does struct stat contain st_blksize?
 806 AC_STRUCT_ST_BLKSIZE
 807
 808 dnl ** do we have long longs?
 809 FPTOOLS_C_LONG_LONG
 810
 811 dnl ** check what fields struct msghdr contains
 812 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 813 FPTOOLS_MSGHDR_MSG_CONTROL
 814
 815 dnl ** what are the sizes of various types
 816 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 817 AC_CHECK_SIZEOF(char,               1)
 818 AC_CHECK_SIZEOF(double,             8)
 819 AC_CHECK_SIZEOF(float,              4)
 820 AC_CHECK_SIZEOF(int,                4)
 821 AC_CHECK_SIZEOF(long,               4)
 822 if test "$fptools_cv_have_long_long" = yes; then
 823 AC_CHECK_SIZEOF(long long,          8)
 824 fi
 825 AC_CHECK_SIZEOF(short,              2)
 826 AC_CHECK_SIZEOF(unsigned char,      1)
 827 AC_CHECK_SIZEOF(unsigned int,       4)
 828 AC_CHECK_SIZEOF(unsigned long,      4)
 829 if test "$fptools_cv_have_long_long" = yes; then
 830 AC_CHECK_SIZEOF(unsigned long long, 8)
 831 fi
 832 AC_CHECK_SIZEOF(unsigned short,     2)
 833 AC_CHECK_SIZEOF(void *,             4)
 834
 835 dnl ** what are alignment constraints on various types
 836 FPTOOLS_CHECK_ALIGNMENT(char)
 837 FPTOOLS_CHECK_ALIGNMENT(double)
 838 FPTOOLS_CHECK_ALIGNMENT(float)
 839 FPTOOLS_CHECK_ALIGNMENT(int)
 840 FPTOOLS_CHECK_ALIGNMENT(long)
 841 if test "$fptools_cv_have_long_long" = yes; then
 842 FPTOOLS_CHECK_ALIGNMENT(long long)
 843 fi
 844 FPTOOLS_CHECK_ALIGNMENT(short)
 845 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 846 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 847 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 848 if test "$fptools_cv_have_long_long" = yes; then
 849 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 850 fi
 851 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 852 FPTOOLS_CHECK_ALIGNMENT(void *)
 853
 854 dnl ** map standard C types and ISO types to Haskell types
 855 FPTOOLS_CHECK_HTYPE(char)
 856 FPTOOLS_CHECK_HTYPE(signed char)
 857 FPTOOLS_CHECK_HTYPE(unsigned char)
 858 FPTOOLS_CHECK_HTYPE(short)
 859 FPTOOLS_CHECK_HTYPE(unsigned short)
 860 FPTOOLS_CHECK_HTYPE(int)
 861 FPTOOLS_CHECK_HTYPE(unsigned int)
 862 FPTOOLS_CHECK_HTYPE(long)
 863 FPTOOLS_CHECK_HTYPE(unsigned long)
 864 if test "$fptools_cv_have_long_long" = yes; then
 865 FPTOOLS_CHECK_HTYPE(long long)
 866 FPTOOLS_CHECK_HTYPE(unsigned long long)
 867 fi
 868 FPTOOLS_CHECK_HTYPE(float)
 869 FPTOOLS_CHECK_HTYPE(double)
 870 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 871 FPTOOLS_CHECK_HTYPE(size_t)
 872 FPTOOLS_CHECK_HTYPE(wchar_t)
 873 dnl Int32 is a HACK for non-ISO C compilers
 874 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 875 FPTOOLS_CHECK_HTYPE(clock_t)
 876 FPTOOLS_CHECK_HTYPE(time_t)
 877 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 878 FPTOOLS_CHECK_HTYPE(ino_t)
 879 FPTOOLS_CHECK_HTYPE(mode_t)
 880 FPTOOLS_CHECK_HTYPE(off_t)
 881 FPTOOLS_CHECK_HTYPE(pid_t)
 882 FPTOOLS_CHECK_HTYPE(gid_t)
 883 FPTOOLS_CHECK_HTYPE(uid_t)
 884 FPTOOLS_CHECK_HTYPE(cc_t)
 885 FPTOOLS_CHECK_HTYPE(speed_t)
 886 FPTOOLS_CHECK_HTYPE(tcflag_t)
 887 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 888 FPTOOLS_CHECK_HTYPE(nlink_t)
 889 FPTOOLS_CHECK_HTYPE(ssize_t)
 890 FPTOOLS_CHECK_HTYPE(rlim_t)
 891
 892 dnl ** Map OpenGL data types to Haskell types
 893 if test $GhcLibsWithHOpenGL = YES ; then
 894 FPTOOLS_CHECK_HTYPE(GLboolean)
 895 FPTOOLS_CHECK_HTYPE(GLbyte)
 896 FPTOOLS_CHECK_HTYPE(GLubyte)
 897 FPTOOLS_CHECK_HTYPE(GLshort)
 898 FPTOOLS_CHECK_HTYPE(GLushort)
 899 FPTOOLS_CHECK_HTYPE(GLint)
 900 FPTOOLS_CHECK_HTYPE(GLuint)
 901 FPTOOLS_CHECK_HTYPE(GLsizei)
 902 FPTOOLS_CHECK_HTYPE(GLenum)
 903 FPTOOLS_CHECK_HTYPE(GLbitfield)
 904 FPTOOLS_CHECK_HTYPE(GLfloat)
 905 FPTOOLS_CHECK_HTYPE(GLclampf)
 906 FPTOOLS_CHECK_HTYPE(GLdouble)
 907 FPTOOLS_CHECK_HTYPE(GLclampd)
 908 fi
 909
 910 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 911
 912 dnl ** can we open files in binary mode?
 913 FPTOOLS_O_BINARY
 914
 915 dnl ** check for GetModuleFileName and WinExec (windows only)
 916 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 917 dnl Doesn't work because the linker can't see the functions if
 918 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 919
 920 FPTOOLS_TRY_LINK_NOWARN(,[
 921 #if HAVE_WINDOWS_H
 922 #include <windows.h>
 923 #endif
 924 main() {
 925   WinExec("",0);
 926   exit(0);
 927 }
 928 ],
 929 [have_winexec=1],
 930 [have_winexec=0])
 931 if test "$have_winexec" = "1"; then
 932 AC_DEFINE(HAVE_WINEXEC)
 933 fi
 934
 935 FPTOOLS_TRY_LINK_NOWARN(,[
 936 #if HAVE_WINDOWS_H
 937 #include <windows.h>
 938 #endif
 939 main() {
 940   char* dir;
 941   GetModuleFileName((HMODULE)0,dir,0);
 942   exit(0);
 943 }
 944 ],
 945 [have_getmodulefilename=1],
 946 [have_getmodulefilename=0])
 947 if test "$have_getmodulefilename" = "1"; then
 948 AC_DEFINE(HAVE_GETMODULEFILENAME)
 949 fi
 950
 951 dnl ** check return type of signal handlers
 952 dnl Foo: assumes we can use prototypes.
 953 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 954 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 955 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 956 dnl #include <signal.h>
 957 dnl #ifdef signal
 958 dnl #undef signal
 959 dnl #endif
 960 dnl void (*signal (int, void (*)(int)))(int);
 961 dnl ],
 962 dnl [int i;],
 963 dnl ac_cv_type_signal_handler=void_int,
 964 dnl ac_cv_type_signal_handler=int_void)])
 965 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 966 dnl AC_DEFINE(VOID_INT_SIGNALS)
 967 dnl fi
 968
 969 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 970 AC_TYPE_SIGNAL
 971 if test "$ac_cv_type_signal" = void; then
 972 AC_DEFINE(VOID_INT_SIGNALS)
 973 fi
 974
 975 dnl ** check for more functions
 976 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 977 AC_CHECK_FUNCS(strcmp)
 978 AC_CHECK_FUNCS(realpath _fullpath)
 979 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
 980 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
 981 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
 982 AC_CHECK_FUNCS(snprintf  _snprintf )
 983 AC_CHECK_FUNCS(popen     _popen )
 984 AC_CHECK_FUNCS(pclose    _pclose )
 985 AC_CHECK_FUNCS(setenv unsetenv)
 986
 987
 988 dnl ** check for specific library functions that we are interested in
 989 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise vfork localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
 990
 991 dnl ** Solaris2 needs additionl flag for getpw*_r()
 992 case "$TargetPlatform" in
 993   *-solaris2*)
 994     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
 995     AC_SUBST(unix_SRC_HSC2HS_OPTS)
 996   ;;
 997 esac
 998
 999 dnl ** check whether this machine has gmp3 installed
1000 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1001   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1002     HaveLibGmp=NO; LibGmp=not-installed))
1003 AC_SUBST(HaveLibGmp)
1004 AC_SUBST(LibGmp)
1005
1006 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1007 HaveFrameworkHaskellSupport=NO
1008 if test $HostPlatform = "powerpc-apple-darwin"; then
1009  AC_MSG_CHECKING([for HaskellSupport.framework])
1010  save_libs="$LIBS"
1011  LIBS="-framework HaskellSupport"
1012  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1013  if test $HaveFrameworkHaskellSupport = YES; then
1014   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1015  fi;
1016  LIBS="$save_libs"
1017  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1018 fi;
1019 AC_SUBST(HaveFrameworkHaskellSupport)
1020
1021 dnl ** check for mingwex library
1022 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1023 AC_SUBST(HaveLibMingwEx)
1024
1025 if test $HaveLibMingwEx = YES ; then
1026   AC_DEFINE(HAVE_MINGWEX)
1027 fi
1028
1029 if test "$HaveLibGmp" = "NO"; then
1030 if test "$HostArch_CPP" = "ia64"; then
1031 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1032 fi;
1033 fi;
1034
1035 dnl ** check whether this machine has GNU regex in libc.
1036 FPTOOLS_REGEX_IN_LIBC
1037
1038 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1039 dnl    the order of these tests matters: bfd needs liberty
1040 AC_CHECK_LIB(iberty, xmalloc)
1041 AC_CHECK_LIB(bfd,    bfd_init)
1042
1043 dnl ** check for readline, for Hugs and hslibs' Readline
1044 dnl ncurses supersedes termcap and curses, but for compatibility,
1045 dnl we have to check for all...
1046 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1047   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1048     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1049       HaveLibTermcap=NO; LibTermcap=not-installed)))
1050
1051 if test $HaveLibTermcap = YES ; then
1052   LIBS="-l$LibTermcap $LIBS"
1053   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1054 fi
1055
1056 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1057   AC_DEFINE(HAVE_READLINE_LIBS,1)
1058   LibsReadline="readline $LibTermcap"
1059 else
1060   AC_DEFINE(HAVE_READLINE_LIBS,0)
1061   LibsReadline=
1062 fi
1063 AC_SUBST(LibsReadline)
1064
1065 if test "$HaveLibReadline"; then
1066   AC_CHECK_LIB(readline, rl_erase_empty_line,
1067     [AC_DEFINE(HAVE_READLINE_4, 1)],
1068     [AC_DEFINE(HAVE_READLINE_4, 0)])
1069   AC_CHECK_LIB(readline, rl_free_undo_list,
1070     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1071     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1072 else
1073   AC_DEFINE(HAVE_READLINE_4, 0)
1074   AC_DEFINE(HAVE_READLINE_4_2, 0)
1075 fi
1076
1077 dnl ** check for math library
1078 FPTOOLS_CHECK_LIBM()
1079 AC_SUBST(LIBM)
1080
1081 dnl ** check for X Window System
1082 AC_PATH_XTRA()
1083
1084 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1085 if test $GhcLibsWithHOpenGL = YES ; then
1086 FPTOOLS_HAVE_OPENGL
1087 fi
1088
1089 dnl ################################################################
1090 dnl Check for libraries
1091 dnl ################################################################
1092
1093 dnl ** check for libdl & RTLD_NEXT
1094
1095 dnl (Mac OS X only) ... but don't check if we already have the
1096 dnl HaskellSupport.framework
1097
1098 if test $HaveFrameworkHaskellSupport = YES; then
1099     HaveLibDL=NO
1100     HaveRtldNext=NO
1101     HaveRtldLocal=YES
1102     AC_DEFINE(HAVE_RTLDLOCAL)
1103     HaveRtldGlobal=YES
1104     AC_DEFINE(HAVE_RTLDGLOBAL)
1105     HaveRtldNow=YES
1106     AC_DEFINE(HAVE_RTLDNOW)
1107     AC_SUBST(HaveLibDL)
1108     AC_SUBST(HaveRtldNext)
1109     AC_SUBST(HaveRtldLocal)
1110     AC_SUBST(HaveRtldGlobal)
1111     AC_SUBST(HaveRtldNow)
1112 else
1113     AC_CHECK_LIB(dl, dlopen,
1114         [HaveLibDL=YES
1115          AC_DEFINE(HAVE_LIBDL)
1116          LIBS="$LIBS -ldl"],
1117         [HaveLibDL=NO])
1118     AC_CHECK_FUNCS(dlopen)
1119     AC_SUBST(HaveLibDL)
1120
1121     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1122     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1123     AC_EGREP_CPP(yes,
1124     [
1125      #include <dlfcn.h>
1126      #ifdef RTLD_NEXT
1127             yes
1128      #endif
1129     ], [
1130       AC_MSG_RESULT(yes)
1131       AC_DEFINE(HAVE_RTLDNEXT)
1132       HaveRtldNext=YES
1133     ], [
1134       AC_MSG_RESULT(no)
1135       HaveRtldNext=NO
1136       ])
1137     AC_SUBST(HaveRtldNext)
1138
1139     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1140     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1141     AC_EGREP_CPP(yes,
1142     [
1143      #include <dlfcn.h>
1144      #ifdef RTLD_LOCAL
1145             yes
1146      #endif
1147     ], [
1148       AC_MSG_RESULT(yes)
1149       AC_DEFINE(HAVE_RTLDLOCAL)
1150       HaveRtldLocal=YES
1151     ], [
1152       AC_MSG_RESULT(no)
1153       HaveRtldLocal=NO
1154       ])
1155     AC_SUBST(HaveRtldLocal)
1156
1157     dnl ** RTLD_GLOBAL isn't available on openbsd
1158     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1159     AC_EGREP_CPP(yes,
1160     [
1161      #include <dlfcn.h>
1162      #ifdef RTLD_GLOBAL
1163             yes
1164      #endif
1165     ], [
1166       AC_MSG_RESULT(yes)
1167       AC_DEFINE(HAVE_RTLDGLOBAL)
1168       HaveRtldGlobal=YES
1169     ], [
1170       AC_MSG_RESULT(no)
1171       HaveRtldGlobal=NO
1172       ])
1173     AC_SUBST(HaveRtldGlobal)
1174
1175     dnl ** RTLD_NOW isn't available on openbsd
1176     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1177     AC_EGREP_CPP(yes,
1178     [
1179      #include <dlfcn.h>
1180      #ifdef RTLD_NOW
1181             yes
1182      #endif
1183     ], [
1184       AC_MSG_RESULT(yes)
1185       AC_DEFINE(HAVE_RTLDNOW)
1186       HaveRtldNow=YES
1187     ], [
1188       AC_MSG_RESULT(no)
1189       HaveRtldNow=NO
1190       ])
1191     AC_SUBST(HaveRtldNow)
1192 fi
1193
1194 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1195
1196 dnl ---------- usleep ----------
1197 dnl --- stolen from guile configure ---
1198 dnl --- FIXME: /usr/include/unistd.h can't be right?
1199
1200 ### On some systems usleep has no return value.  If it does have one,
1201 ### we'd like to return it; otherwise, we'll fake it.
1202 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1203   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1204                    /usr/include/unistd.h,
1205                    [cv_func_usleep_return_type=void],
1206                    [cv_func_usleep_return_type=int])])
1207 case "$cv_func_usleep_return_type" in
1208   "void" )
1209     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1210       [Define if the system headers declare usleep to return void.])
1211   ;;
1212 esac
1213
1214 dnl --------------------------------------------------
1215 dnl * test for in_addr_t
1216 dnl --------------------------------------------------
1217 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1218 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1219  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1220  AC_MSG_RESULT(no))
1221
1222 dnl --------------------------------------------------
1223 dnl * test for Linux sendfile(2)
1224 dnl --------------------------------------------------
1225 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1226 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1227  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1228  AC_MSG_RESULT(no))
1229
1230 dnl --------------------------------------------------
1231 dnl * test for BSD sendfile(2)
1232 dnl --------------------------------------------------
1233 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1234 AC_EGREP_HEADER(sendfile, sys/socket.h,
1235  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1236  AC_MSG_RESULT(no))
1237
1238 dnl --------------------------------------------------
1239 dnl * test for GTK+
1240 dnl --------------------------------------------------
1241
1242 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1243 if test "$GTK_CONFIG" != ""; then
1244    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1245         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1246     ])
1247     GTK_VERSION=$fptools_cv_gtk_version
1248 else
1249     GTK_VERSION=
1250 fi
1251
1252 case $fptools_cv_gtk_version in
1253   1.[[23]].*) ;;
1254   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1255      GTK_CONFIG=
1256      ;;
1257 esac
1258
1259 AC_SUBST(GTK_CONFIG)
1260 AC_SUBST(GTK_VERSION)
1261
1262 dnl --------------------------------------------------
1263 dnl * Miscellaneous feature tests
1264 dnl --------------------------------------------------
1265
1266 dnl ** can we get alloca?
1267 AC_FUNC_ALLOCA
1268
1269 dnl ** determine whether or not const works
1270 AC_C_CONST
1271
1272 dnl ** determine whether ANSI-function prototypes work?
1273 AC_C_PROTOTYPES
1274
1275 dnl ** are we big endian?
1276 AC_C_BIGENDIAN
1277
1278 dnl ** check for leading underscores in symbol names
1279 FPTOOLS_UNDERSCORE
1280
1281 dnl ** check for ld, and whether ld has -x option
1282 AC_PATH_PROG(LdCmdRaw, ld)
1283 case $HostOS_CPP in
1284  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1285            ;;
1286  *) LdCmd=${LdCmdRaw}
1287     ;;
1288 esac
1289 AC_SUBST(LdCmd)
1290 FPTOOLS_LD_X
1291
1292 AC_MSG_CHECKING([for SIGPOLL])
1293 AC_EGREP_CPP(we_have_sigpoll,
1294 [#include <signal.h>
1295 #ifdef SIGPOLL
1296 we_have_sigpoll
1297 #endif
1298 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1299 AC_MSG_RESULT([$haveSIGPOLL])
1300
1301 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1302 AC_EGREP_CPP(we_have_that_sysconf_thing,
1303 [
1304 #include <unistd.h>
1305 #ifdef _SC_GETGR_R_SIZE_MAX
1306 we_have_that_sysconf_thing
1307 #endif
1308 ],
1309 [AC_MSG_RESULT([yes])
1310 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1311 [AC_MSG_RESULT([no])])
1312
1313 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1314 AC_EGREP_CPP(we_have_that_sysconf_thing,
1315 [
1316 #include <unistd.h>
1317 #ifdef _SC_GETPW_R_SIZE_MAX
1318 we_have_that_sysconf_thing
1319 #endif
1320 ],
1321 [AC_MSG_RESULT([yes])
1322 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1323 [AC_MSG_RESULT([no])])
1324
1325 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )