configure.in

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