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