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 dnl
 500 dnl [ The ability to build the RTS and libraries as separate DLLs used
 501 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 502 dnl   and build system would be required to bring it back again.)
 503 dnl   Hence, exposing it as an option is false advertisement, so better
 504 dnl   disable it to avoid confusion (but leave it commented-out rather
 505 dnl   than removed in order to remind ourselves to bring back the
 506 dnl   feature at some stage.) ]
 507 dnl
 508 dnl AC_ARG_ENABLE(win32-dlls,
 509 dnl [  --enable-win32-dlls
 510 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 511 dnl     construction of DLLs containing ghc-compiled code.
 512 dnl ],
 513 dnl [
 514 dnl case $HostOS_CPP in
 515 dnl cygwin32) ;;
 516 dnl mingw32)  ;;
 517 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 518 dnl       exit 1
 519 dnl       ;;
 520 dnl esac
 521 dnl EnableWin32DLLs=YES
 522 dnl ],
 523 dnl [EnableWin32DLLs=NO]
 524 dnl )
 525 dnl AC_SUBST(EnableWin32DLLs)
 526 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 527 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 528 dnl fi
 529
 530 dnl ** Enable the building of the ObjectIO?
 531 dnl --------------------------------------------------------------
 532 AC_ARG_ENABLE(objectio,
 533 [  --enable-objectio
 534         Build ObjectIO, a portable GUI library for Haskell.
 535 ],
 536 [GhcLibsWithObjectIO=YES],
 537 [GhcLibsWithObjectIO=NO]
 538 )
 539 AC_SUBST(GhcLibsWithObjectIO)
 540
 541 dnl ** Enable the building of the OpenGL/GLUT binding in hslibs?
 542 dnl --------------------------------------------------------------
 543 AC_ARG_ENABLE(hopengl,
 544 [  --enable-hopengl
 545         Build HOpenGL, a Haskell binding for OpenGL/GLUT.
 546         On Mac OS X, use --enable-hopengl=x11 to use X11 instead
 547         of the "native" libraries.
 548 ],
 549 [GhcLibsWithHOpenGL=YES],
 550 [GhcLibsWithHOpenGL=NO]
 551 )
 552 UseQuartzOpenGL=NO
 553 if test x"$TargetOS_CPP" = x"darwin"; then
 554   if test x"$enable_hopengl" != x"x11"; then
 555     AC_DEFINE(USE_QUARTZ_OPENGL)
 556     UseQuartzOpenGL=YES
 557   fi
 558 fi
 559
 560 AC_SUBST(GhcLibsWithHOpenGL)
 561
 562 dnl ** .NET interop support?
 563 dnl --------------------------------------------------------------
 564 AC_ARG_ENABLE(dotnet,
 565 [  --enable-dotnet
 566         Build .NET interop layer.
 567 ],
 568 [DotnetSupport=YES; AC_DEFINE(WANT_DOTNET_SUPPORT)],
 569 [DotnetSupport=NO]
 570 )
 571 AC_SUBST(DotnetSupport)
 572
 573 dnl --------------------------------------------------------------
 574 dnl End of configure script option section
 575 dnl --------------------------------------------------------------
 576
 577
 578 dnl --------------------------------------------------------------
 579 dnl * General configuration checks
 580 dnl --------------------------------------------------------------
 581
 582 dnl ** does #! work?
 583 AC_SYS_INTERPRETER()
 584
 585 dnl ** look for `perl', but only in /bin on Windows
 586 case $HostOS_CPP in
 587 cygwin32|mingw32)
 588       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 589       if test -z "$PerlCmd"; then
 590          echo "You must install the version of Perl shipped with GHC"
 591          echo "(or a compatible one) in /bin."
 592          exit 1
 593       fi
 594    ;;
 595 *)
 596    AC_PATH_PROG(PerlCmd,perl)
 597    if test -z "$PerlCmd"; then
 598       echo "You must install perl before you can continue"
 599       echo "Perhaps it is already installed, but not in your PATH?"
 600       exit 1
 601    else
 602    FPTOOLS_CHECK_PERL_VERSION
 603    fi
 604    ;;
 605 esac
 606
 607 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 608 FPTOOLS_SHEBANG_PERL
 609
 610 dnl ** check for Python
 611 AC_PATH_PROG(PythonCmd,python)
 612
 613 dnl ** look for GCC and find out which version
 614 dnl     Figure out which C compiler to use.  Gcc is preferred.
 615 dnl     If gcc, make sure it's at least 2.1
 616 dnl
 617 AC_PROG_CC
 618 FPTOOLS_HAVE_GCC
 619 FPTOOLS_GCC_NEEDS_NO_OMIT_LFPTR
 620
 621 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 622 AC_PROG_CPP
 623
 624 dnl ** Without optimization some INLINE trickery fails for GHCi
 625 SRC_CC_OPTS="-O"
 626
 627 dnl ** Try to add -mno-cygwin to the C compiler options for mingw32 targets
 628 if test x"$TargetOS_CPP" = x"mingw32"; then
 629   FPTOOLS_CC_FLAG(-mno-cygwin,CC_SUPPORTS_MNO_CYGWIN)
 630   SRC_CC_OPTS="$CC_SUPPORTS_MNO_CYGWIN $SRC_CC_OPTS"
 631   CPPFLAGS="$CC_SUPPORTS_MNO_CYGWIN $CPPFLAGS"
 632 fi
 633 AC_SUBST(SRC_CC_OPTS)
 634
 635 dnl ** figure out how to do context diffs
 636 FPTOOLS_PROG_DIFF
 637
 638 dnl ** Find find command (for Win32's benefit)
 639 FPTOOLS_FIND_FIND
 640
 641 dnl ** look for a decent parser generator (bison preferred)
 642 dnl (FPTOOLS_PROG_YACCY is AC_PROG_YACC, but with some extra testing
 643 dnl  on the suitability of the 'yacc' returned.)
 644 FPTOOLS_PROG_YACCY
 645
 646 dnl ** Find lex command (lex or flex) - *doesn't* use autoconf's
 647 dnl    AC_PROG_LEX, since it doesn't actually check whether 'lex'
 648 dnl    exists if 'flex' doesn't.
 649 AC_PROG_LEX_STRICT
 650
 651 dnl ** figure out how to do a BSD-ish install
 652 AC_PROG_INSTALL
 653
 654 dnl If you can run configure, you certainly have /bin/sh
 655 AC_DEFINE(HAVE_BIN_SH)
 656
 657 dnl ** how to invoke `ar' and `ranlib'
 658 FPTOOLS_PROG_AR_AND_RANLIB
 659
 660 dnl ** Check to see whether ln -s works
 661 AC_PROG_LN_S
 662
 663
 664 dnl ** Find the path to sed
 665 AC_PATH_PROG(SedCmd,sed)
 666
 667
 668 dnl ** check for time command
 669 AC_PATH_PROG(TimeCmd,time)
 670
 671 dnl ** check for tar
 672 dnl   if GNU tar is named gtar, look for it first.
 673 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 674
 675 dnl ** check for gzip/compress
 676 AC_PATH_PROGS(CompressCmd,gzip compress,gzip)
 677
 678 dnl ** check for jade/openjade & determine a working catalog
 679 AC_PATH_PROGS(JadeCmd,openjade jade,jade)
 680 FPTOOLS_DOCBOOK_CATALOG(Catalog, $JadeCmd, docs/fptools-both.dsl,
 681                         /etc/sgml/catalog /etc/sgml.catalog /usr/share/sgml/CATALOG.docbkdsl /usr/local/share/sgml/catalog glafp-utils/docbook/CATALOG*)
 682 if test -z "$Catalog"; then
 683   AC_MSG_RESULT([Warning: You will not be able to build the documentation.])
 684 fi
 685 case $Catalog in
 686    yes) # assume it is provided by other means (e.g., SGML_CATALOG_FILES env var).
 687         Catalog=
 688         ;;
 689    glafp*)
 690         case $HostOS_CPP in
 691            mingw32)
 692               Catalog=`cygpath -w $hardtop/$Catalog`
 693               ;;
 694            *) Catalog=$hardtop/$Catalog
 695               ;;
 696         esac
 697    ;;
 698 esac
 699 AC_SUBST(Catalog)
 700
 701 compress_nm=`basename $CompressCmd`
 702 if test x"$compress_nm" = xgzip; then
 703   CompressCmd="$CompressCmd -d"
 704   CompressSuffix="gz"
 705 else
 706   CompressSuffix="Z"
 707 fi
 708 AC_SUBST(CompressCmd)
 709 AC_SUBST(CompressSuffix)
 710
 711 dnl ** check for ghc-pkg command
 712 changequote(, )dnl
 713 ghc_pkg_guess=`echo $WithGhc | sed 's@ghc\([^/\\]*\)$@ghc-pkg\1@'`
 714 changequote([, ])dnl
 715 if $ghc_pkg_guess -l >/dev/null 2>/dev/null; then
 716    GhcPkgCmd=$ghc_pkg_guess
 717    AC_MSG_NOTICE([using $ghc_pkg_guess for ghc-pkg])
 718 else
 719    AC_PATH_PROG(GhcPkgCmd,ghc-pkg)
 720 fi
 721
 722 AC_ARG_WITH(greencard,
 723 [  --with-greencard=<greencard compiler>
 724         Use a command different from 'green-card' to compile GreenCard files
 725 ],
 726 [
 727 GreencardCmd=$withval;
 728 FPTOOLS_GREENCARD(3.00)
 729 ]
 730 )
 731
 732 AC_ARG_ENABLE(src-tree-happy,
 733 [  --enable-src-tree-happy
 734         Build and use source tree (fptools/happy) version of happy.
 735 ],
 736 [UseSrcTreeHappy=YES],
 737 [UseSrcTreeHappy=NO]
 738 )
 739 dnl ** check for installed happy binary + version
 740 dnl    (don't do it if we're booting from .hc files though.)
 741 if test "$BootingFromHc" = "NO"; then
 742 FPTOOLS_HAPPY
 743 fi;
 744
 745 AC_ARG_ENABLE(src-tree-haddock,
 746 [  --enable-src-tree-haddock
 747         Build and use source tree (fptools/haddock) version of haddock.
 748 ],
 749 [UseSrcTreeHaddock=YES],
 750 [UseSrcTreeHaddock=NO]
 751 )
 752 dnl ** check for installed haddock
 753 FPTOOLS_HADDOCK
 754
 755 dnl --------------------------------------------------
 756 dnl ### program checking section ends here ###
 757 dnl --------------------------------------------------
 758
 759 dnl --------------------------------------------------
 760 dnl * Platform header file and syscall feature tests
 761 dnl ### checking the state of the local header files and syscalls ###
 762
 763 dnl ** check for full ANSI header (.h) files
 764 AC_HEADER_STDC
 765
 766 dnl ** Enable large file support.  NB. do this before testing the type of
 767 dnl    off_t, because it will affect the result of that test.
 768 AC_SYS_LARGEFILE
 769
 770 dnl ** check for specific header (.h) files that we are interested in
 771 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 bfd.h winsock.h pthread.h sys/uio.h)
 772 AC_CHECK_HEADER(unistd.h,[AC_CHECK_FUNCS(lchown)])
 773
 774 AC_CHECK_HEADER(readline/readline.h, [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 775 AC_CHECK_HEADER(readline/history.h, [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 776
 777 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 778   HaveReadlineHeaders=YES
 779   AC_DEFINE(HAVE_READLINE_HEADERS,1)
 780 else
 781   HaveReadlineHeaders=NO
 782   AC_DEFINE(HAVE_READLINE_HEADERS,0)
 783 fi
 784 AC_SUBST(HaveReadlineHeaders)
 785
 786 dnl ** check for DOS include files
 787 AC_CHECK_HEADERS(dos.h conio.h io.h std.h)
 788
 789 dnl ** check for Windows include files
 790 AC_CHECK_HEADERS(windows.h)
 791
 792 dnl ** check for OpenGL include files
 793 if test $UseQuartzOpenGL = YES ; then
 794   AC_CHECK_HEADERS(OpenGL/gl.h)
 795 else
 796   AC_CHECK_HEADERS(GL/gl.h)
 797 fi
 798
 799 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 800 AC_HEADER_TIME
 801
 802 dnl dynamic loading include files
 803 AC_CHECK_HEADERS(dlfcn.h dl.h)
 804
 805 dnl ** check for farcalloc (in bcc)
 806 AC_CHECK_HEADER(alloc.h,[AC_CHECK_FUNCS(farcalloc)])
 807
 808 dnl ** check for valloc (in sunos, solaris, mips, amiga, next, minix, ultrix)
 809 AC_CHECK_HEADER(malloc.h,[AC_CHECK_FUNCS(valloc)])
 810
 811 dnl ** check for POSIX regex
 812 HavePosixRegex=NO
 813 AC_CHECK_HEADER(regex.h,[AC_CHECK_FUNC(regcomp, [HavePosixRegex=YES])])
 814 AC_SUBST(HavePosixRegex)
 815
 816 dnl ** how do we get a timezone name, and UTC offset ?
 817 AC_STRUCT_TIMEZONE
 818
 819 dnl ** what's the type of timezone?
 820 FPTOOLS_HAVE_TIMEZONE
 821 FPTOOLS_TYPE_TIMEZONE
 822
 823 dnl ** do we have altzone?
 824 FPTOOLS_ALTZONE
 825
 826 dnl ** does struct stat contain st_blksize?
 827 AC_STRUCT_ST_BLKSIZE
 828
 829 dnl ** do we have long longs?
 830 FPTOOLS_C_LONG_LONG
 831
 832 dnl ** check what fields struct msghdr contains
 833 FPTOOLS_MSGHDR_MSG_ACCRIGHTS
 834 FPTOOLS_MSGHDR_MSG_CONTROL
 835
 836 dnl ** what are the sizes of various types
 837 dnl    (these must come before GHC_CHECK_ALIGNMENT)
 838 AC_CHECK_SIZEOF(char,               1)
 839 AC_CHECK_SIZEOF(double,             8)
 840 AC_CHECK_SIZEOF(float,              4)
 841 AC_CHECK_SIZEOF(int,                4)
 842 AC_CHECK_SIZEOF(long,               4)
 843 if test "$fptools_cv_have_long_long" = yes; then
 844 AC_CHECK_SIZEOF(long long,          8)
 845 fi
 846 AC_CHECK_SIZEOF(short,              2)
 847 AC_CHECK_SIZEOF(unsigned char,      1)
 848 AC_CHECK_SIZEOF(unsigned int,       4)
 849 AC_CHECK_SIZEOF(unsigned long,      4)
 850 if test "$fptools_cv_have_long_long" = yes; then
 851 AC_CHECK_SIZEOF(unsigned long long, 8)
 852 fi
 853 AC_CHECK_SIZEOF(unsigned short,     2)
 854 AC_CHECK_SIZEOF(void *,             4)
 855
 856 dnl ** what are alignment constraints on various types
 857 FPTOOLS_CHECK_ALIGNMENT(char)
 858 FPTOOLS_CHECK_ALIGNMENT(double)
 859 FPTOOLS_CHECK_ALIGNMENT(float)
 860 FPTOOLS_CHECK_ALIGNMENT(int)
 861 FPTOOLS_CHECK_ALIGNMENT(long)
 862 if test "$fptools_cv_have_long_long" = yes; then
 863 FPTOOLS_CHECK_ALIGNMENT(long long)
 864 fi
 865 FPTOOLS_CHECK_ALIGNMENT(short)
 866 FPTOOLS_CHECK_ALIGNMENT(unsigned char)
 867 FPTOOLS_CHECK_ALIGNMENT(unsigned int)
 868 FPTOOLS_CHECK_ALIGNMENT(unsigned long)
 869 if test "$fptools_cv_have_long_long" = yes; then
 870 FPTOOLS_CHECK_ALIGNMENT(unsigned long long)
 871 fi
 872 FPTOOLS_CHECK_ALIGNMENT(unsigned short)
 873 FPTOOLS_CHECK_ALIGNMENT(void *)
 874
 875 dnl ** map standard C types and ISO types to Haskell types
 876 FPTOOLS_CHECK_HTYPE(char)
 877 FPTOOLS_CHECK_HTYPE(signed char)
 878 FPTOOLS_CHECK_HTYPE(unsigned char)
 879 FPTOOLS_CHECK_HTYPE(short)
 880 FPTOOLS_CHECK_HTYPE(unsigned short)
 881 FPTOOLS_CHECK_HTYPE(int)
 882 FPTOOLS_CHECK_HTYPE(unsigned int)
 883 FPTOOLS_CHECK_HTYPE(long)
 884 FPTOOLS_CHECK_HTYPE(unsigned long)
 885 if test "$fptools_cv_have_long_long" = yes; then
 886 FPTOOLS_CHECK_HTYPE(long long)
 887 FPTOOLS_CHECK_HTYPE(unsigned long long)
 888 fi
 889 FPTOOLS_CHECK_HTYPE(float)
 890 FPTOOLS_CHECK_HTYPE(double)
 891 FPTOOLS_CHECK_HTYPE(ptrdiff_t)
 892 FPTOOLS_CHECK_HTYPE(size_t)
 893 FPTOOLS_CHECK_HTYPE(wchar_t)
 894 dnl Int32 is a HACK for non-ISO C compilers
 895 FPTOOLS_CHECK_HTYPE(sig_atomic_t, Int32)
 896 FPTOOLS_CHECK_HTYPE(clock_t)
 897 FPTOOLS_CHECK_HTYPE(time_t)
 898 FPTOOLS_CHECK_HTYPE(dev_t, Word32)
 899 FPTOOLS_CHECK_HTYPE(ino_t)
 900 FPTOOLS_CHECK_HTYPE(mode_t)
 901 FPTOOLS_CHECK_HTYPE(off_t)
 902 FPTOOLS_CHECK_HTYPE(pid_t)
 903 FPTOOLS_CHECK_HTYPE(gid_t)
 904 FPTOOLS_CHECK_HTYPE(uid_t)
 905 FPTOOLS_CHECK_HTYPE(cc_t)
 906 FPTOOLS_CHECK_HTYPE(speed_t)
 907 FPTOOLS_CHECK_HTYPE(tcflag_t)
 908 FPTOOLS_CHECK_HTYPE(blkcnt_t)
 909 FPTOOLS_CHECK_HTYPE(nlink_t)
 910 FPTOOLS_CHECK_HTYPE(ssize_t)
 911 FPTOOLS_CHECK_HTYPE(rlim_t)
 912
 913 dnl ** Map OpenGL data types to Haskell types
 914 if test $GhcLibsWithHOpenGL = YES ; then
 915 FPTOOLS_CHECK_HTYPE(GLboolean)
 916 FPTOOLS_CHECK_HTYPE(GLbyte)
 917 FPTOOLS_CHECK_HTYPE(GLubyte)
 918 FPTOOLS_CHECK_HTYPE(GLshort)
 919 FPTOOLS_CHECK_HTYPE(GLushort)
 920 FPTOOLS_CHECK_HTYPE(GLint)
 921 FPTOOLS_CHECK_HTYPE(GLuint)
 922 FPTOOLS_CHECK_HTYPE(GLsizei)
 923 FPTOOLS_CHECK_HTYPE(GLenum)
 924 FPTOOLS_CHECK_HTYPE(GLbitfield)
 925 FPTOOLS_CHECK_HTYPE(GLfloat)
 926 FPTOOLS_CHECK_HTYPE(GLclampf)
 927 FPTOOLS_CHECK_HTYPE(GLdouble)
 928 FPTOOLS_CHECK_HTYPE(GLclampd)
 929 fi
 930
 931 FPTOOLS_CHECK_CCONSTS(E2BIG EACCES EADDRINUSE EADDRNOTAVAIL EADV EAFNOSUPPORT EAGAIN EALREADY EBADF EBADMSG EBADRPC EBUSY ECHILD ECOMM ECONNABORTED ECONNREFUSED ECONNRESET EDEADLK EDESTADDRREQ EDIRTY EDOM EDQUOT EEXIST EFAULT EFBIG EFTYPE EHOSTDOWN EHOSTUNREACH EIDRM EILSEQ EINPROGRESS EINTR EINVAL EIO EISCONN EISDIR ELOOP EMFILE EMLINK EMSGSIZE EMULTIHOP ENAMETOOLONG ENETDOWN ENETRESET ENETUNREACH ENFILE ENOBUFS ENODATA ENODEV ENOENT ENOEXEC ENOLCK ENOLINK ENOMEM ENOMSG ENONET ENOPROTOOPT ENOSPC ENOSR ENOSTR ENOSYS ENOTBLK ENOTCONN ENOTDIR ENOTEMPTY ENOTSOCK ENOTTY ENXIO EOPNOTSUPP EPERM EPFNOSUPPORT EPIPE EPROCLIM EPROCUNAVAIL EPROGMISMATCH EPROGUNAVAIL EPROTO EPROTONOSUPPORT EPROTOTYPE ERANGE EREMCHG EREMOTE EROFS ERPCMISMATCH ERREMOTE ESHUTDOWN ESOCKTNOSUPPORT ESPIPE ESRCH ESRMNT ESTALE ETIME ETIMEDOUT ETOOMANYREFS ETXTBSY EUSERS EWOULDBLOCK EXDEV)
 932
 933 dnl ** can we open files in binary mode?
 934 FPTOOLS_O_BINARY
 935
 936 dnl ** check for GetModuleFileName and WinExec (windows only)
 937 dnl Old: AC_CHECK_FUNCS(WinExec GetModuleFileName)       dnl Windows
 938 dnl Doesn't work because the linker can't see the functions if
 939 dnl you omit the #include <windows.h>.  (I've no idea why not...)
 940
 941 FPTOOLS_TRY_LINK_NOWARN(,[
 942 #if HAVE_WINDOWS_H
 943 #include <windows.h>
 944 #endif
 945 main() {
 946   WinExec("",0);
 947   exit(0);
 948 }
 949 ],
 950 [have_winexec=1],
 951 [have_winexec=0])
 952 if test "$have_winexec" = "1"; then
 953 AC_DEFINE(HAVE_WINEXEC)
 954 fi
 955
 956 FPTOOLS_TRY_LINK_NOWARN(,[
 957 #if HAVE_WINDOWS_H
 958 #include <windows.h>
 959 #endif
 960 main() {
 961   char* dir;
 962   GetModuleFileName((HMODULE)0,dir,0);
 963   exit(0);
 964 }
 965 ],
 966 [have_getmodulefilename=1],
 967 [have_getmodulefilename=0])
 968 if test "$have_getmodulefilename" = "1"; then
 969 AC_DEFINE(HAVE_GETMODULEFILENAME)
 970 fi
 971
 972 dnl ** check return type of signal handlers
 973 dnl Foo: assumes we can use prototypes.
 974 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 975 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
 976 dnl [AC_TRY_COMPILE([#include <sys/types.h>
 977 dnl #include <signal.h>
 978 dnl #ifdef signal
 979 dnl #undef signal
 980 dnl #endif
 981 dnl void (*signal (int, void (*)(int)))(int);
 982 dnl ],
 983 dnl [int i;],
 984 dnl ac_cv_type_signal_handler=void_int,
 985 dnl ac_cv_type_signal_handler=int_void)])
 986 dnl if test "$ac_cv_type_signal_handler" = void_int; then
 987 dnl AC_DEFINE(VOID_INT_SIGNALS)
 988 dnl fi
 989
 990 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
 991 AC_TYPE_SIGNAL
 992 if test "$ac_cv_type_signal" = void; then
 993 AC_DEFINE(VOID_INT_SIGNALS)
 994 fi
 995
 996 dnl ** check for more functions
 997 AC_CHECK_FUNCS(strcasecmp _stricmp stricmp strcmpi)
 998 AC_CHECK_FUNCS(strcmp)
 999 AC_CHECK_FUNCS(realpath _fullpath)
1000 AC_CHECK_FUNCS(PBHSetVolSync macsystem)
1001 AC_CHECK_FUNCS(fgetpos fsetpos fseek ftell)
1002 AC_CHECK_FUNCS(vsnprintf _vsnprintf)
1003 AC_CHECK_FUNCS(snprintf  _snprintf )
1004 AC_CHECK_FUNCS(popen     _popen )
1005 AC_CHECK_FUNCS(pclose    _pclose )
1006 AC_CHECK_FUNCS(setenv unsetenv)
1007
1008
1009 dnl ** check for specific library functions that we are interested in
1010 AC_CHECK_FUNCS(access ftime getclock getpagesize getrusage gettimeofday mktime mprotect readlink setitimer stat lstat symlink sysconf timelocal times vadvise localtime_r gmtime_r readdir_r getgrgid_r getgrnam_r getpwuid_r getpwnam_r)
1011
1012 dnl ** Solaris2 needs additionl flag for getpw*_r()
1013 case "$TargetPlatform" in
1014   *-solaris2*)
1015     unix_SRC_HSC2HS_OPTS="-D_POSIX_PTHREAD_SEMANTICS"
1016     AC_SUBST(unix_SRC_HSC2HS_OPTS)
1017   ;;
1018 esac
1019
1020 dnl ** check whether this machine has gmp3 installed
1021 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1022   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1023     HaveLibGmp=NO; LibGmp=not-installed))
1024 AC_SUBST(HaveLibGmp)
1025 AC_SUBST(LibGmp)
1026
1027 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1028 HaveFrameworkHaskellSupport=NO
1029 if test $HostPlatform = "powerpc-apple-darwin"; then
1030  AC_MSG_CHECKING([for HaskellSupport.framework])
1031  save_libs="$LIBS"
1032  LIBS="-framework HaskellSupport"
1033  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1034  if test $HaveFrameworkHaskellSupport = YES; then
1035   AC_DEFINE(HAVE_FRAMEWORK_HASKELLSUPPORT)
1036  fi;
1037  LIBS="$save_libs"
1038  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1039 fi;
1040 AC_SUBST(HaveFrameworkHaskellSupport)
1041
1042 dnl ** check for mingwex library
1043 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1044 AC_SUBST(HaveLibMingwEx)
1045
1046 if test $HaveLibMingwEx = YES ; then
1047   AC_DEFINE(HAVE_MINGWEX)
1048 fi
1049
1050 if test "$HaveLibGmp" = "NO"; then
1051 if test "$HostArch_CPP" = "ia64"; then
1052 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64).])
1053 fi;
1054 fi;
1055
1056 dnl ** check whether this machine has GNU regex in libc.
1057 FPTOOLS_REGEX_IN_LIBC
1058
1059 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1060 dnl    the order of these tests matters: bfd needs liberty
1061 AC_CHECK_LIB(iberty, xmalloc)
1062 AC_CHECK_LIB(bfd,    bfd_init)
1063
1064 dnl ** check for readline, for Hugs and hslibs' Readline
1065 dnl ncurses supersedes termcap and curses, but for compatibility,
1066 dnl we have to check for all...
1067 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1068   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1069     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1070       HaveLibTermcap=NO; LibTermcap=not-installed)))
1071
1072 if test $HaveLibTermcap = YES ; then
1073   LIBS="-l$LibTermcap $LIBS"
1074   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1075 fi
1076
1077 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1078   AC_DEFINE(HAVE_READLINE_LIBS,1)
1079   LibsReadline="readline $LibTermcap"
1080 else
1081   AC_DEFINE(HAVE_READLINE_LIBS,0)
1082   LibsReadline=
1083 fi
1084 AC_SUBST(LibsReadline)
1085
1086 if test "$HaveLibReadline"; then
1087   AC_CHECK_LIB(readline, rl_erase_empty_line,
1088     [AC_DEFINE(HAVE_READLINE_4, 1)],
1089     [AC_DEFINE(HAVE_READLINE_4, 0)])
1090   AC_CHECK_LIB(readline, rl_free_undo_list,
1091     [AC_DEFINE(HAVE_READLINE_4_2, 1)],
1092     [AC_DEFINE(HAVE_READLINE_4_2, 0)])
1093 else
1094   AC_DEFINE(HAVE_READLINE_4, 0)
1095   AC_DEFINE(HAVE_READLINE_4_2, 0)
1096 fi
1097
1098 dnl ** check for math library
1099 FPTOOLS_CHECK_LIBM()
1100 AC_SUBST(LIBM)
1101
1102 dnl ** check for X Window System
1103 AC_PATH_XTRA()
1104
1105 dnl ** check for OpenGL/GLUT/GLX include paths and libraries
1106 if test $GhcLibsWithHOpenGL = YES ; then
1107   if test $UseQuartzOpenGL = YES ; then
1108     dnl Take a shortcut for Mac OS X native OpenGL:
1109     dnl It's in a non-standard location, but it's always there
1110     GL_CFLAGS=
1111         GL_LIBS=
1112         GLUT_LIBS=
1113         AC_SUBST(GL_CFLAGS)
1114         AC_SUBST(GL_LIBS)
1115         AC_SUBST(GLUT_LIBS)
1116   else
1117     FPTOOLS_HAVE_OPENGL
1118   fi
1119 fi
1120
1121 dnl ################################################################
1122 dnl Check for libraries
1123 dnl ################################################################
1124
1125 dnl ** check for libdl & RTLD_NEXT
1126
1127 dnl (Mac OS X only) ... but don't check if we already have the
1128 dnl HaskellSupport.framework
1129
1130 if test $HaveFrameworkHaskellSupport = YES; then
1131     HaveLibDL=NO
1132     HaveRtldNext=NO
1133     HaveRtldLocal=YES
1134     AC_DEFINE(HAVE_RTLDLOCAL)
1135     HaveRtldGlobal=YES
1136     AC_DEFINE(HAVE_RTLDGLOBAL)
1137     HaveRtldNow=YES
1138     AC_DEFINE(HAVE_RTLDNOW)
1139     AC_SUBST(HaveLibDL)
1140     AC_SUBST(HaveRtldNext)
1141     AC_SUBST(HaveRtldLocal)
1142     AC_SUBST(HaveRtldGlobal)
1143     AC_SUBST(HaveRtldNow)
1144 else
1145     AC_CHECK_LIB(dl, dlopen,
1146         [HaveLibDL=YES
1147          AC_DEFINE(HAVE_LIBDL)
1148          LIBS="$LIBS -ldl"],
1149         [HaveLibDL=NO])
1150     AC_CHECK_FUNCS(dlopen)
1151     AC_SUBST(HaveLibDL)
1152
1153     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1154     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1155     AC_EGREP_CPP(yes,
1156     [
1157      #include <dlfcn.h>
1158      #ifdef RTLD_NEXT
1159             yes
1160      #endif
1161     ], [
1162       AC_MSG_RESULT(yes)
1163       AC_DEFINE(HAVE_RTLDNEXT)
1164       HaveRtldNext=YES
1165     ], [
1166       AC_MSG_RESULT(no)
1167       HaveRtldNext=NO
1168       ])
1169     AC_SUBST(HaveRtldNext)
1170
1171     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1172     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1173     AC_EGREP_CPP(yes,
1174     [
1175      #include <dlfcn.h>
1176      #ifdef RTLD_LOCAL
1177             yes
1178      #endif
1179     ], [
1180       AC_MSG_RESULT(yes)
1181       AC_DEFINE(HAVE_RTLDLOCAL)
1182       HaveRtldLocal=YES
1183     ], [
1184       AC_MSG_RESULT(no)
1185       HaveRtldLocal=NO
1186       ])
1187     AC_SUBST(HaveRtldLocal)
1188
1189     dnl ** RTLD_GLOBAL isn't available on openbsd
1190     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1191     AC_EGREP_CPP(yes,
1192     [
1193      #include <dlfcn.h>
1194      #ifdef RTLD_GLOBAL
1195             yes
1196      #endif
1197     ], [
1198       AC_MSG_RESULT(yes)
1199       AC_DEFINE(HAVE_RTLDGLOBAL)
1200       HaveRtldGlobal=YES
1201     ], [
1202       AC_MSG_RESULT(no)
1203       HaveRtldGlobal=NO
1204       ])
1205     AC_SUBST(HaveRtldGlobal)
1206
1207     dnl ** RTLD_NOW isn't available on openbsd
1208     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1209     AC_EGREP_CPP(yes,
1210     [
1211      #include <dlfcn.h>
1212      #ifdef RTLD_NOW
1213             yes
1214      #endif
1215     ], [
1216       AC_MSG_RESULT(yes)
1217       AC_DEFINE(HAVE_RTLDNOW)
1218       HaveRtldNow=YES
1219     ], [
1220       AC_MSG_RESULT(no)
1221       HaveRtldNow=NO
1222       ])
1223     AC_SUBST(HaveRtldNow)
1224 fi
1225
1226 FPTOOLS_CHECK_LIB_NOWARN(m, atan)
1227
1228 dnl ---------- usleep ----------
1229 dnl --- stolen from guile configure ---
1230 dnl --- FIXME: /usr/include/unistd.h can't be right?
1231
1232 ### On some systems usleep has no return value.  If it does have one,
1233 ### we'd like to return it; otherwise, we'll fake it.
1234 AC_CACHE_CHECK([return type of usleep], cv_func_usleep_return_type,
1235   [AC_EGREP_HEADER(changequote(<, >)<void[      ]+usleep>changequote([, ]),
1236                    /usr/include/unistd.h,
1237                    [cv_func_usleep_return_type=void],
1238                    [cv_func_usleep_return_type=int])])
1239 case "$cv_func_usleep_return_type" in
1240   "void" )
1241     AC_DEFINE(USLEEP_RETURNS_VOID, 1,
1242       [Define if the system headers declare usleep to return void.])
1243   ;;
1244 esac
1245
1246 dnl --------------------------------------------------
1247 dnl * test for in_addr_t
1248 dnl --------------------------------------------------
1249 AC_MSG_CHECKING(for in_addr_t in netinet/in.h)
1250 AC_EGREP_HEADER(in_addr_t, netinet/in.h,
1251  [ AC_DEFINE(HAVE_IN_ADDR_T) AC_MSG_RESULT(yes) ],
1252  AC_MSG_RESULT(no))
1253
1254 dnl --------------------------------------------------
1255 dnl * test for Linux sendfile(2)
1256 dnl --------------------------------------------------
1257 AC_MSG_CHECKING(for sendfile in sys/sendfile.h)
1258 AC_EGREP_HEADER(sendfile, sys/sendfile.h,
1259  [ AC_DEFINE(HAVE_LINUX_SENDFILE) AC_MSG_RESULT(yes) ],
1260  AC_MSG_RESULT(no))
1261
1262 dnl --------------------------------------------------
1263 dnl * test for BSD sendfile(2)
1264 dnl --------------------------------------------------
1265 AC_MSG_CHECKING(for sendfile in sys/socket.h)
1266 AC_EGREP_HEADER(sendfile, sys/socket.h,
1267  [ AC_DEFINE(HAVE_BSD_SENDFILE) AC_MSG_RESULT(yes) ],
1268  AC_MSG_RESULT(no))
1269
1270 dnl --------------------------------------------------
1271 dnl * test for GTK+
1272 dnl --------------------------------------------------
1273
1274 AC_PATH_PROGS(GTK_CONFIG, gtk-config gtk12-config)
1275 if test "$GTK_CONFIG" != ""; then
1276    AC_CACHE_CHECK([for version of GTK+], fptools_cv_gtk_version, [
1277         fptools_cv_gtk_version=`$GTK_CONFIG --version`
1278     ])
1279     GTK_VERSION=$fptools_cv_gtk_version
1280 else
1281     GTK_VERSION=
1282 fi
1283
1284 case $fptools_cv_gtk_version in
1285   1.[[23]].*) ;;
1286   *) AC_MSG_WARN([GTK+ not usable; need at least version 1.2])
1287      GTK_CONFIG=
1288      ;;
1289 esac
1290
1291 AC_SUBST(GTK_CONFIG)
1292 AC_SUBST(GTK_VERSION)
1293
1294 dnl --------------------------------------------------
1295 dnl * Miscellaneous feature tests
1296 dnl --------------------------------------------------
1297
1298 dnl ** can we get alloca?
1299 AC_FUNC_ALLOCA
1300
1301 dnl ** Working vfork?
1302 AC_FUNC_VFORK
1303
1304 dnl ** determine whether or not const works
1305 AC_C_CONST
1306
1307 dnl ** determine whether ANSI-function prototypes work?
1308 AC_C_PROTOTYPES
1309
1310 dnl ** are we big endian?
1311 AC_C_BIGENDIAN
1312
1313 dnl ** check for leading underscores in symbol names
1314 FPTOOLS_UNDERSCORE
1315
1316 dnl ** check for ld, and whether ld has -x option
1317 AC_PATH_PROG(LdCmdRaw, ld)
1318 case $HostOS_CPP in
1319  mingw32) LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1320            ;;
1321  *) LdCmd=${LdCmdRaw}
1322     ;;
1323 esac
1324 AC_SUBST(LdCmd)
1325 FPTOOLS_LD_X
1326
1327 AC_MSG_CHECKING([for SIGPOLL])
1328 AC_EGREP_CPP(we_have_sigpoll,
1329 [#include <signal.h>
1330 #ifdef SIGPOLL
1331 we_have_sigpoll
1332 #endif
1333 ], AC_DEFINE(HAVE_SIGPOLL) haveSIGPOLL=yes, haveSIGPOLL=no)
1334 AC_MSG_RESULT([$haveSIGPOLL])
1335
1336 AC_MSG_CHECKING([for _SC_GETGR_R_SIZE_MAX])
1337 AC_EGREP_CPP(we_have_that_sysconf_thing,
1338 [
1339 #include <unistd.h>
1340 #ifdef _SC_GETGR_R_SIZE_MAX
1341 we_have_that_sysconf_thing
1342 #endif
1343 ],
1344 [AC_MSG_RESULT([yes])
1345 AC_DEFINE(HAVE_SC_GETGR_R_SIZE_MAX)],
1346 [AC_MSG_RESULT([no])])
1347
1348 AC_MSG_CHECKING([for _SC_GETPW_R_SIZE_MAX])
1349 AC_EGREP_CPP(we_have_that_sysconf_thing,
1350 [
1351 #include <unistd.h>
1352 #ifdef _SC_GETPW_R_SIZE_MAX
1353 we_have_that_sysconf_thing
1354 #endif
1355 ],
1356 [AC_MSG_RESULT([yes])
1357 AC_DEFINE(HAVE_SC_GETPW_R_SIZE_MAX)],
1358 [AC_MSG_RESULT([no])])
1359
1360 AC_OUTPUT(mk/config.mk, echo timestamp > mk/stamp-h )