configure.ac

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.ac | 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 University of Glasgow 1994-2004
   7 #
   8 # Configure script template for GHC
   9 #
  10 # Process with 'autoreconf' 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 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.9], [glasgow-haskell-bugs@haskell.org], [ghc])
  17
  18 # Set this to YES for a released version, otherwise NO
  19 : ${RELEASE=NO}
  20
  21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
  22 # above.  If this is not a released version, then we will append the
  23 # date to the version number (e.g. 6.7.20070204).  The date is
  24 # constructed by finding the date of the most recent patch in the
  25 # darcs repository.  If this is a source distribution (not a darcs
  26 # checkout), then we ship a file 'VERSION' containing the full version
  27 # when the source distribution was created.
  28
  29 if test ! -f mk/config.h.in; then
  30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
  31    exit 1
  32 fi
  33
  34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
  35
  36 FP_SETUP_PROJECT_VERSION
  37
  38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
  39 AC_SUBST([release], [1])
  40
  41 # First off, a distrib sanity check..
  42 AC_CONFIG_SRCDIR([mk/config.mk.in])
  43
  44 dnl * We require autoconf version 2.52
  45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  47 AC_PREREQ([2.52])
  48
  49 # -------------------------------------------------------------------------
  50 # Prepare to generate the following header files
  51 #
  52 #
  53 AC_CONFIG_HEADER(mk/config.h)
  54
  55 # No, semi-sadly, we don't do `--srcdir'...
  56 if test x"$srcdir" != 'x.' ; then
  57     echo "This configuration does not support the \`--srcdir' option.."
  58     exit 1
  59 fi
  60
  61 dnl--------------------------------------------------------------------
  62 dnl * Deal with arguments telling us gmp is somewhere odd
  63 dnl--------------------------------------------------------------------
  64
  65 FP_ARG_GMP
  66
  67 GMP_INCLUDE_DIRS=
  68 GMP_LIB_DIRS=
  69 if test "x$gmp_libraries" != "xNONE"; then
  70   LDFLAGS="-L$gmp_libraries $LDFLAGS"
  71   GMP_LIB_DIRS=$gmp_libraries
  72 fi
  73 if test "x$gmp_includes" != "xNONE"; then
  74   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
  75   GMP_INCLUDE_DIRS=$gmp_includes
  76 fi
  77 AC_SUBST(GMP_INCLUDE_DIRS)
  78 AC_SUBST(GMP_LIB_DIRS)
  79
  80 dnl--------------------------------------------------------------------
  81 dnl * Choose host(/target/build) platform
  82 dnl--------------------------------------------------------------------
  83
  84 dnl Guess host/target/build platform(s) if necessary.
  85 AC_CANONICAL_TARGET
  86
  87 # "$host" defaults to "$target"
  88 if test "x$host" = xNONE ; then
  89     host=$target
  90 fi
  91
  92 dnl ** canonicalize platform names
  93 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  94 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  95 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  96
  97 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  98     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  99     exit 1
 100 fi
 101
 102 exeext=''
 103 soext='.so'
 104 #
 105 # The following will be more difficult when we *are* cross-compiling.
 106 # Suitable names to slam in *_CPP are in platform.h.in.
 107 # We also record the architecture, vendor, and operating system (OS)
 108 # separately.
 109 case $HostPlatform in
 110 alpha*-dec-osf[[12]]*)
 111         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
 112         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
 113         BuildPlatform=alpha-dec-osf1  # hack
 114         HostPlatform_CPP='alpha_dec_osf1'
 115         HostArch_CPP='alpha'
 116         HostVendor_CPP='dec'
 117         HostOS_CPP='osf1'
 118         ;;
 119 alpha*-dec-osf[[345]]*)
 120         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
 121         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
 122         BuildPlatform=alpha-dec-osf3  # hack
 123         HostPlatform_CPP='alpha_dec_osf3'
 124         HostArch_CPP='alpha'
 125         HostVendor_CPP='dec'
 126         HostOS_CPP='osf3'
 127         ;;
 128 alpha*-unknown-linux*)
 129         HostPlatform=alpha-unknown-linux
 130         TargetPlatform=alpha-unknown-linux
 131         BuildPlatform=alpha-unknown-linux
 132         HostPlatform_CPP='alpha_unknown_linux'
 133         HostArch_CPP='alpha'
 134         HostVendor_CPP='unknown'
 135         HostOS_CPP='linux'
 136         ;;
 137 alpha*-unknown-freebsd*)
 138         HostPlatform=alpha-unknown-freebsd
 139         TargetPlatform=alpha-unknown-freebsd
 140         BuildPlatform=alpha-unknown-freebsd
 141         HostPlatform_CPP='alpha_unknown_freebsd'
 142         HostArch_CPP='alpha'
 143         HostVendor_CPP='unknown'
 144         HostOS_CPP='freebsd'
 145         ;;
 146 alpha*-unknown-openbsd*)
 147         HostPlatform=alpha-unknown-openbsd
 148         TargetPlatform=alpha-unknown-openbsd
 149         BuildPlatform=alpha-unknown-openbsd
 150         HostPlatform_CPP='alpha_unknown_openbsd'
 151         HostArch_CPP='alpha'
 152         HostVendor_CPP='unknown'
 153         HostOS_CPP='openbsd'
 154         ;;
 155 amd64-*-openbsd*|x86_64-*-openbsd*)
 156         HostPlatform=x86_64-unknown-openbsd
 157         TargetPlatform=x86_64-unknown-openbsd
 158         BuildPlatform=x86_64-unknown-openbsd
 159         HostPlatform_CPP='x86_64_unknown_openbsd'
 160         HostArch_CPP='x86_64'
 161         HostVendor_CPP='unknown'
 162         HostOS_CPP='openbsd'
 163         ;;
 164 amd64-*-freebsd*|x86_64-*-freebsd*)
 165         HostPlatform=x86_64-unknown-freebsd
 166         TargetPlatform=x86_64-unknown-freebsd
 167         BuildPlatform=x86_64-unknown-freebsd
 168         HostPlatform_CPP='x86_64_unknown_freebsd'
 169         HostArch_CPP='x86_64'
 170         HostVendor_CPP='unknown'
 171         HostOS_CPP='freebsd'
 172         ;;
 173 arm*-linux*)
 174         HostPlatform=arm-unknown-linux # hack again
 175         TargetPlatform=arm-unknown-linux
 176         BuildPlatform=arm-unknown-linux
 177         HostPlatform_CPP='arm_unknown_linux'
 178         HostArch_CPP='arm'
 179         HostVendor_CPP='unknown'
 180         HostOS_CPP='linux'
 181         ;;
 182 arm*-openbsd*)
 183         HostPlatform=arm-unknown-openbsd
 184         TargetPlatform=arm-unknown-openbsd
 185         BuildPlatform=arm-unknown-openbsd
 186         HostPlatform_CPP='arm_unknown_openbsd'
 187         HostArch_CPP='arm'
 188         HostVendor_CPP='unknown'
 189         HostOS_CPP='openbsd'
 190         ;;
 191 hppa*-*-linux*)
 192         HostPlatform=hppa-unknown-linux # hack again
 193         TargetPlatform=hppa-unknown-linux
 194         BuildPlatform=hppa-unknown-linux
 195         HostPlatform_CPP='hppa_unknown_linux'
 196         HostArch_CPP='hppa'
 197         HostVendor_CPP='unknown'
 198         HostOS_CPP='linux'
 199         ;;
 200 hppa*-*-openbsd*)
 201         HostPlatform=hppa-unknown-openbsd # hack again
 202         TargetPlatform=hppa-unknown-openbsd
 203         BuildPlatform=hppa-unknown-openbsd
 204         HostPlatform_CPP='hppa_unknown_openbsd'
 205         HostArch_CPP='hppa'
 206         HostVendor_CPP='unknown'
 207         HostOS_CPP='openbsd'
 208         ;;
 209 hppa1.1-hp-hpux*)
 210         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 211         TargetPlatform=hppa1.1-hp-hpux
 212         BuildPlatform=hppa1.1-hp-hpux
 213         HostPlatform_CPP='hppa1_1_hp_hpux'
 214         HostArch_CPP='hppa1_1'
 215         HostVendor_CPP='hp'
 216         HostOS_CPP='hpux'
 217         ;;
 218 i[[3456]]86-*-linuxaout*)
 219         HostPlatform=i386-unknown-linuxaout   # hack again
 220         TargetPlatform=i386-unknown-linuxaout
 221         BuildPlatform=i386-unknown-linuxaout
 222         HostPlatform_CPP='i386_unknown_linuxaout'
 223         HostArch_CPP='i386'
 224         HostVendor_CPP='unknown'
 225         HostOS_CPP='linuxaout'
 226         ;;
 227 i[[3456]]86-*-linux*)
 228         HostPlatform=i386-unknown-linux # hack again
 229         TargetPlatform=i386-unknown-linux
 230         BuildPlatform=i386-unknown-linux
 231         HostPlatform_CPP='i386_unknown_linux'
 232         HostArch_CPP='i386'
 233         HostVendor_CPP='unknown'
 234         HostOS_CPP='linux'
 235         ;;
 236 i[[3456]]86-*-kfreebsd*-gnu)
 237         HostPlatform=i386-unknown-kfreebsdgnu # hack again
 238         TargetPlatform=i386-unknown-kfreebsdgnu
 239         BuildPlatform=i386-unknown-kfreebsdgnu
 240         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
 241         HostArch_CPP='i386'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='kfreebsdgnu'
 244         ;;
 245 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 246         HostPlatform=i386-unknown-freebsd # hack again
 247         TargetPlatform=i386-unknown-freebsd
 248         BuildPlatform=i386-unknown-freebsd
 249         HostPlatform_CPP='i386_unknown_freebsd'
 250         HostArch_CPP='i386'
 251         HostVendor_CPP='unknown'
 252         HostOS_CPP='freebsd'
 253         ;;
 254 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 255         HostPlatform=i386-unknown-freebsd2 # hack again
 256         TargetPlatform=i386-unknown-freebsd2
 257         BuildPlatform=i386-unknown-freebsd2
 258         HostPlatform_CPP='i386_unknown_freebsd2'
 259         HostArch_CPP='i386'
 260         HostVendor_CPP='unknown'
 261         HostOS_CPP='freebsd2'
 262         ;;
 263 i[[3456]]86-*-netbsd*)
 264         HostPlatform=i386-unknown-netbsd # hack again
 265         TargetPlatform=i386-unknown-netbsd
 266         BuildPlatform=i386-unknown-netbsd
 267         HostPlatform_CPP='i386_unknown_netbsd'
 268         HostArch_CPP='i386'
 269         HostVendor_CPP='unknown'
 270         HostOS_CPP='netbsd'
 271         ;;
 272 i[[3456]]86-*-openbsd*)
 273         HostPlatform=i386-unknown-openbsd # hack again
 274         TargetPlatform=i386-unknown-openbsd
 275         BuildPlatform=i386-unknown-openbsd
 276         HostPlatform_CPP='i386_unknown_openbsd'
 277         HostArch_CPP='i386'
 278         HostVendor_CPP='unknown'
 279         HostOS_CPP='openbsd'
 280         ;;
 281 i[[3456]]86-*-solaris2*)
 282         HostPlatform=i386-unknown-solaris2 # hack again
 283         TargetPlatform=i386-unknown-solaris2
 284         BuildPlatform=i386-unknown-solaris2
 285         HostPlatform_CPP='i386_unknown_solaris2'
 286         HostArch_CPP='i386'
 287         HostVendor_CPP='unknown'
 288         HostOS_CPP='solaris2'
 289         ;;
 290 i[[3456]]86-*-cygwin*)
 291         HostPlatform=i386-unknown-cygwin32 # hack again
 292         TargetPlatform=i386-unknown-cygwin32
 293         BuildPlatform=i386-unknown-cygwin32
 294         HostPlatform_CPP='i386_unknown_cygwin32'
 295         HostArch_CPP='i386'
 296         HostVendor_CPP='unknown'
 297         HostOS_CPP='cygwin32'
 298         exeext='.exe'
 299         soext='.dll'
 300         ;;
 301 i[[3456]]86-*-mingw32*)
 302         HostPlatform=i386-unknown-mingw32 # hack again
 303         TargetPlatform=i386-unknown-mingw32
 304         BuildPlatform=i386-unknown-mingw32
 305         HostPlatform_CPP='i386_unknown_mingw32'
 306         HostArch_CPP='i386'
 307         HostVendor_CPP='unknown'
 308         HostOS_CPP='mingw32'
 309         exeext='.exe'
 310         soext='.dll'
 311         ;;
 312 i[[3456]]86-apple-darwin*)
 313         HostPlatform=i386-apple-darwin
 314         TargetPlatform=i386-apple-darwin #hack
 315         BuildPlatform=i386-apple-darwin #hack
 316         HostPlatform_CPP='i386_apple_darwin'
 317         HostArch_CPP='i386'
 318         HostVendor_CPP='apple'
 319         HostOS_CPP='darwin'
 320         soext='.dylib'
 321         ;;
 322 i[[3456]]86-*-gnu*)
 323         HostPlatform=i386-unknown-gnu
 324         TargetPlatform=i386-unknown-gnu
 325         BuildPlatform=i386-unknown-gnu
 326         HostPlatform_CPP=i386_unknown_gnu
 327         HostArch_CPP=i386
 328         HostVendor_CPP=unknown
 329         HostOS_CPP=gnu
 330         ;;
 331 ia64-*-linux*)
 332         HostPlatform=ia64-unknown-linux # hack again
 333         TargetPlatform=ia64-unknown-linux
 334         BuildPlatform=ia64-unknown-linux
 335         HostPlatform_CPP='ia64_unknown_linux'
 336         HostArch_CPP='ia64'
 337         HostVendor_CPP='unknown'
 338         HostOS_CPP='linux'
 339         ;;
 340 x86_64-*-linux*)
 341         HostPlatform=x86_64-unknown-linux
 342         TargetPlatform=x86_64-unknown-linux
 343         BuildPlatform=x86_64-unknown-linux
 344         HostPlatform_CPP='x86_64_unknown_linux'
 345         HostArch_CPP='x86_64'
 346         HostVendor_CPP='unknown'
 347         HostOS_CPP='linux'
 348         ;;
 349 x86_64-apple-darwin*)
 350         HostPlatform=x86_64-apple-darwin
 351         TargetPlatform=x86_64-apple-darwin
 352         BuildPlatform=x86_64-apple-darwin
 353         HostPlatform_CPP='x86_64_apple_darwin'
 354         HostArch_CPP='x86_64'
 355         HostVendor_CPP='apple'
 356         HostOS_CPP='darwin'
 357         soext='.dylib'
 358         ;;
 359 m68k-*-linux*)
 360         HostPlatform=m68k-unknown-linux # hack again
 361         TargetPlatform=m68k-unknown-linux
 362         BuildPlatform=m68k-unknown-linux
 363         HostPlatform_CPP='m68k_unknown_linux'
 364         HostArch_CPP='m68k'
 365         HostVendor_CPP='unknown'
 366         HostOS_CPP='linux'
 367         ;;
 368 m68k-next-nextstep2)
 369         HostPlatform_CPP='m68k_next_nextstep2'
 370         HostArch_CPP='m68k'
 371         HostVendor_CPP='next'
 372         HostOS_CPP='nextstep2'
 373         ;;
 374 m68k-next-nextstep3)
 375         HostPlatform_CPP='m68k_next_nextstep3'
 376         HostArch_CPP='m68k'
 377         HostVendor_CPP='next'
 378         HostOS_CPP='nextstep3'
 379         ;;
 380 i[[3456]]86-next-nextstep3)
 381         HostPlatform=i386-next-nextstep3 # hack again
 382         TargetPlatform=i386-next-nextstep3
 383         BuildPlatform=i386-next-nextstep3
 384         HostPlatform_CPP='i386_next_nextstep3'
 385         HostArch_CPP='i386'
 386         HostVendor_CPP='next'
 387         HostOS_CPP='nextstep3'
 388         ;;
 389 m68k-*-openbsd*)
 390         HostPlatform=m68k-unknown-openbsd
 391         TargetPlatform=m68k-unknown-openbsd
 392         BuildPlatform=m68k-unknown-openbsd
 393         HostPlatform_CPP='m68k_unknown_openbsd'
 394         HostArch_CPP='m68k'
 395         HostVendor_CPP='unknown'
 396         HostOS_CPP='openbsd'
 397         ;;
 398 m68k-*-netbsd*)
 399         HostPlatform=m68k-unknown-netbsd
 400         TargetPlatform=m68k-unknown-netbsd
 401         BuildPlatform=m68k-unknown-netbsd
 402         HostPlatform_CPP='m68k_unknown_netbsd'
 403         HostArch_CPP='m68k'
 404         HostVendor_CPP='unknown'
 405         HostOS_CPP='netbsd'
 406         ;;
 407 m68k-sun-sunos4*)
 408         HostPlatform=m68k-sun-sunos4
 409         TargetPlatform=m68k-sun-sunos4 #hack
 410         BuildPlatform=m68k-sun-sunos4 #hack
 411         HostPlatform_CPP='m68k_sun_sunos4'
 412         HostArch_CPP='m68k'
 413         HostVendor_CPP='sun'
 414         HostOS_CPP='sunos4'
 415         ;;
 416 m88k-*-openbsd*)
 417         HostPlatform=m88k-unknown-openbsd
 418         TargetPlatform=m88k-unknown-openbsd
 419         BuildPlatform=m88k-unknown-openbsd
 420         HostPlatform_CPP='m88k_unknown_openbsd'
 421         HostArch_CPP='m88k'
 422         HostVendor_CPP='unknown'
 423         HostOS_CPP='openbsd'
 424         ;;
 425 mips-*-linux*)
 426         HostPlatform=mips-unknown-linux # hack again
 427         TargetPlatform=mips-unknown-linux
 428         BuildPlatform=mips-unknown-linux
 429         HostPlatform_CPP='mips_unknown_linux'
 430         HostArch_CPP='mips'
 431         HostVendor_CPP='unknown'
 432         HostOS_CPP='linux'
 433         ;;
 434 mipsel-*-linux*)
 435         HostPlatform=mipsel-unknown-linux # hack again
 436         TargetPlatform=mipsel-unknown-linux
 437         BuildPlatform=mipsel-unknown-linux
 438         HostPlatform_CPP='mipsel_unknown_linux'
 439         HostArch_CPP='mipsel'
 440         HostVendor_CPP='unknown'
 441         HostOS_CPP='linux'
 442         ;;
 443 mips-dec-ultrix*)
 444         HostPlatform_CPP='mips_dec_ultrix'
 445         HostArch_CPP='mipsel'   # NB a little different
 446         HostVendor_CPP='dec'
 447         HostOS_CPP='ultrix'
 448         ;;
 449 mips-sgi-irix*)
 450         HostPlatform=mips-sgi-irix
 451         TargetPlatform=mips-sgi-irix #hack
 452         BuildPlatform=mips-sgi-irix #hack
 453         HostPlatform_CPP='mips_sgi_irix'
 454         HostArch_CPP='mipseb'   # NB a little different
 455         HostVendor_CPP='sgi'
 456         HostOS_CPP='irix'
 457         ;;
 458 rs6000-ibm-aix*)
 459         HostPlatform=rs6000-ibm-aix
 460         TargetPlatform=rs6000-ibm-aix #hack
 461         BuildPlatform=rs6000-ibm-aix #hack
 462         HostPlatform_CPP='rs6000_ibm_aix'
 463         HostArch_CPP='rs6000'
 464         HostVendor_CPP='ibm'
 465         HostOS_CPP='aix'
 466         ;;
 467 powerpc-ibm-aix*)
 468         HostPlatform=powerpc-ibm-aix
 469         TargetPlatform=powerpc-ibm-aix #hack
 470         BuildPlatform=powerpc-ibm-aix #hack
 471         HostPlatform_CPP='powerpc_ibm_aix'
 472         HostArch_CPP='powerpc'
 473         HostVendor_CPP='ibm'
 474         HostOS_CPP='aix'
 475         ;;
 476 powerpc-apple-darwin*)
 477         HostPlatform=powerpc-apple-darwin
 478         TargetPlatform=powerpc-apple-darwin #hack
 479         BuildPlatform=powerpc-apple-darwin #hack
 480         HostPlatform_CPP='powerpc_apple_darwin'
 481         HostArch_CPP='powerpc'
 482         HostVendor_CPP='apple'
 483         HostOS_CPP='darwin'
 484         soext='.dylib'
 485         ;;
 486 powerpc-unknown-linux*)
 487         HostPlatform=powerpc-unknown-linux
 488         TargetPlatform=powerpc-unknown-linux
 489         BuildPlatform=powerpc-unknown-linux
 490         HostPlatform_CPP='powerpc_unknown_linux'
 491         HostArch_CPP='powerpc'
 492         HostVendor_CPP='unknown'
 493         HostOS_CPP='linux'
 494         ;;
 495 powerpc-unknown-openbsd*)
 496         HostPlatform=powerpc-unknown-openbsd
 497         TargetPlatform=powerpc-unknown-openbsd
 498         BuildPlatform=powerpc-unknown-openbsd
 499         HostPlatform_CPP='powerpc_unknown_openbsd'
 500         HostArch_CPP='powerpc'
 501         HostVendor_CPP='unknown'
 502         HostOS_CPP='openbsd'
 503         ;;
 504 powerpc64-unknown-linux*)
 505         HostPlatform=powerpc64-unknown-linux
 506         TargetPlatform=powerpc64-unknown-linux
 507         BuildPlatform=powerpc64-unknown-linux
 508         HostPlatform_CPP='powerpc64_unknown_linux'
 509         HostArch_CPP='powerpc64'
 510         HostVendor_CPP='unknown'
 511         HostOS_CPP='linux'
 512         ;;
 513
 514 s390-ibm-linux*)
 515        HostPlatform=s390-ibm-linux
 516        TargetPlatform=s390-ibm-linux #hack
 517        BuildPlatform=s390-ibm-linux #hack
 518         HostPlatform_CPP='s390_ibm_linux'
 519         HostArch_CPP='s390'
 520         HostVendor_CPP='ibm'
 521         HostOS_CPP='linux'
 522         ;;
 523 sparc-sun-sunos4*)
 524         HostPlatform=sparc-sun-sunos4
 525         TargetPlatform=sparc-sun-sunos4 #hack
 526         BuildPlatform=sparc-sun-sunos4 #hack
 527         HostPlatform_CPP='sparc_sun_sunos4'
 528         HostArch_CPP='sparc'
 529         HostVendor_CPP='sun'
 530         HostOS_CPP='sunos4'
 531         ;;
 532 sparc-sun-solaris2*)
 533         HostPlatform=sparc-sun-solaris2
 534         TargetPlatform=sparc-sun-solaris2 #hack
 535         BuildPlatform=sparc-sun-solaris2 #hack
 536         HostPlatform_CPP='sparc_sun_solaris2'
 537         HostArch_CPP='sparc'
 538         HostVendor_CPP='sun'
 539         HostOS_CPP='solaris2'
 540         ;;
 541 sparc*-linux*)
 542         HostPlatform=sparc-unknown-linux
 543         TargetPlatform=sparc-unknown-linux
 544         BuildPlatform=sparc-unknown-linux
 545         HostPlatform_CPP='sparc_unknown_linux'
 546         HostArch_CPP='sparc'
 547         HostVendor_CPP='unknown'
 548         HostOS_CPP='linux'
 549         ;;
 550 sparc-*-openbsd*)
 551         HostPlatform=sparc-unknown-openbsd
 552         TargetPlatform=sparc-unknown-openbsd
 553         BuildPlatform=sparc-unknown-openbsd
 554         HostPlatform_CPP='sparc_unknown_openbsd'
 555         HostArch_CPP='sparc'
 556         HostVendor_CPP='unknown'
 557         HostOS_CPP='openbsd'
 558         ;;
 559 sparc64-*-openbsd*)
 560         HostPlatform=sparc64-unknown-openbsd
 561         TargetPlatform=sparc64-unknown-openbsd
 562         BuildPlatform=sparc64-unknown-openbsd
 563         HostPlatform_CPP='sparc64_unknown_openbsd'
 564         HostArch_CPP='sparc64'
 565         HostVendor_CPP='unknown'
 566         HostOS_CPP='openbsd'
 567         ;;
 568 vax-*-openbsd*)
 569         HostPlatform=vax-unknown-openbsd
 570         TargetPlatform=vax-unknown-openbsd
 571         BuildPlatform=vax-unknown-openbsd
 572         HostPlatform_CPP='vax_unknown_openbsd'
 573         HostArch_CPP='vax'
 574         HostVendor_CPP='unknown'
 575         HostOS_CPP='openbsd'
 576         ;;
 577 *)
 578         echo "Unrecognised platform: $HostPlatform"
 579         exit 1
 580         ;;
 581 esac
 582 echo "Canonicalised to: $HostPlatform"
 583 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 584 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 585
 586 BuildPlatform_CPP=$HostPlatform_CPP
 587 TargetPlatform_CPP=$HostPlatform_CPP
 588 BuildArch_CPP=$HostArch_CPP
 589 TargetArch_CPP=$HostArch_CPP
 590 BuildOS_CPP=$HostOS_CPP
 591 HostOS_Full=$host_os
 592 TargetOS_CPP=$HostOS_CPP
 593 BuildVendor_CPP=$HostVendor_CPP
 594 TargetVendor_CPP=$HostVendor_CPP
 595
 596 AC_SUBST(BuildPlatform)
 597 AC_SUBST(HostPlatform)
 598 AC_SUBST(TargetPlatform)
 599 AC_SUBST(HostPlatform_CPP)
 600 AC_SUBST(BuildPlatform_CPP)
 601 AC_SUBST(TargetPlatform_CPP)
 602
 603 AC_SUBST(HostArch_CPP)
 604 AC_SUBST(BuildArch_CPP)
 605 AC_SUBST(TargetArch_CPP)
 606
 607 AC_SUBST(HostOS_CPP)
 608 AC_SUBST(HostOS_Full)
 609 AC_SUBST(BuildOS_CPP)
 610 AC_SUBST(TargetOS_CPP)
 611
 612 AC_SUBST(HostVendor_CPP)
 613 AC_SUBST(BuildVendor_CPP)
 614 AC_SUBST(TargetVendor_CPP)
 615
 616 AC_SUBST(exeext)
 617 AC_SUBST(soext)
 618
 619 dnl --------------------------------------------------------------
 620 dnl * Project specific configuration options
 621 dnl --------------------------------------------------------------
 622 dnl What follows is a bunch of options that can either be configured
 623 dnl through command line options to the configure script or by
 624 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 625 dnl use either is considered a Feature.
 626
 627 dnl ** What command to use to compile compiler sources ?
 628 dnl --------------------------------------------------------------
 629
 630 AC_ARG_WITH([ghc],
 631 [AC_HELP_STRING([--with-ghc=ARG],
 632   [Use ARG as the path to GHC  [default=autodetect]])],
 633   [WithGhc="$withval"],
 634   [if test "$GHC" = ""; then
 635     AC_PATH_PROG([GHC], [ghc])
 636   fi
 637   WithGhc="$GHC"])
 638 AC_SUBST([WithGhc])
 639
 640 AC_ARG_WITH(hc,
 641 [AC_HELP_STRING([--with-hc=ARG],
 642         [Use ARG as the path to the compiler for compiling ordinary
 643          Haskell code  (default= value of --with-ghc)])],
 644 [WithHc="$withval"],
 645 [WithHc=$WithGhc]
 646 )
 647 AC_SUBST(WithHc)
 648
 649 if test "$WithGhc" != ""; then
 650   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 651   AC_SUBST(GhcVersion)dnl
 652   AC_SUBST(GhcMajVersion)dnl
 653   AC_SUBST(GhcMinVersion)dnl
 654   AC_SUBST(GhcPatchLevel)dnl
 655   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
 656   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
 657   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
 658   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
 659   AC_SUBST(ghc_ge_605)dnl
 660   AC_SUBST(ghc_ge_607)dnl
 661 fi
 662
 663 # Check whether this GHC has readline installed
 664 FP_GHC_HAS_READLINE
 665
 666 AC_PATH_PROGS(NHC,nhc nhc98)
 667 AC_PATH_PROG(HBC,hbc)
 668
 669 dnl ** Which gcc to use?
 670 dnl --------------------------------------------------------------
 671 AC_ARG_WITH(gcc,
 672 [AC_HELP_STRING([--with-gcc=ARG],
 673         [Use ARG as the path to GCC  [default=autodetect]])],
 674 [WhatGccIsCalled="$withval"
 675  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 676     then
 677        if test "${OSTYPE}" != "msys"
 678          then
 679          # Canonicalise to <drive>:/path/to/gcc
 680          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 681        fi
 682  fi;
 683  CC="$withval"
 684  export CC
 685  ],
 686 [WhatGccIsCalled="gcc"]
 687 )
 688 AC_SUBST(WhatGccIsCalled)
 689
 690 dnl ** Which ld to use?
 691 dnl --------------------------------------------------------------
 692 AC_ARG_WITH(ld,
 693 [AC_HELP_STRING([--with-ld=ARG],
 694         [Use ARG as the path to LD  [default=autodetect]])],
 695 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
 696     then
 697        if test "${OSTYPE}" != "msys"
 698          then
 699          # Canonicalise to <drive>:/path/to/ld
 700          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 701        fi
 702  fi;
 703  LD=$withval
 704  FP_PROG_LD([$LD])
 705  ],
 706  [FP_PROG_LD()]
 707 )
 708
 709 dnl ** Booting from .hc files?
 710 dnl --------------------------------------------------------------
 711 AC_ARG_ENABLE(hc-boot,
 712 [AC_HELP_STRING([--enable-hc-boot],
 713 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 714  (This option is mostly of interest to porters.) [default=no]])],
 715 [ if test x"$enableval" = x"yes"; then
 716         BootingFromHc=YES
 717   else
 718         BootingFromHc=NO
 719   fi
 720 ],
 721 [BootingFromHc=NO]
 722 )
 723 AC_SUBST(BootingFromHc)
 724
 725 dnl ** Booting from unregisterised .hc files?
 726 dnl --------------------------------------------------------------
 727 AC_ARG_ENABLE(hc-boot-unregisterised,
 728 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 729 [ With --enable-hc-boot, treat the intermediate .hc files as
 730  unregisterised rather than registerised code.
 731  (This option is mostly of interest to porters.) [default=no]])],
 732 [ if test x"$enableval" = x"yes"; then
 733         BootingFromUnregisterisedHc=YES
 734   else
 735         BootingFromUnregisterisedHc=NO
 736   fi
 737 ],
 738 [BootingFromUnregisterisedHc=NO]
 739 )
 740 AC_SUBST(BootingFromUnregisterisedHc)
 741
 742 if test "$BootingFromHc" = "NO"; then
 743 if test "$BootingFromUnregisterisedHc" = "YES"; then
 744 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 745 fi;
 746 fi;
 747
 748 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 749 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
 750   if test "$WithGhc" = ""; then
 751      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 752   fi
 753   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.4],
 754     [AC_MSG_ERROR([GHC version 6.4 or later is required to compile GHC.])])dnl
 755 fi;
 756
 757 # This uses GHC, so put it after the "GHC is required" check above:
 758 FP_FIND_ROOT
 759
 760 dnl ** Enable the construction of Win32 DLLs?
 761 dnl --------------------------------------------------------------
 762 dnl
 763 dnl [ The ability to build the RTS and libraries as separate DLLs used
 764 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 765 dnl   and build system would be required to bring it back again.)
 766 dnl   Hence, exposing it as an option is false advertisement, so better
 767 dnl   disable it to avoid confusion (but leave it commented-out rather
 768 dnl   than removed in order to remind ourselves to bring back the
 769 dnl   feature at some stage.) ]
 770 dnl
 771 dnl AC_ARG_ENABLE(win32-dlls,
 772 dnl [  --enable-win32-dlls
 773 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 774 dnl         construction of DLLs containing ghc-compiled code.
 775 dnl ],
 776 dnl [
 777 dnl case $HostOS_CPP in
 778 dnl cygwin32) ;;
 779 dnl mingw32)  ;;
 780 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 781 dnl       exit 1
 782 dnl       ;;
 783 dnl esac
 784 dnl EnableWin32DLLs=YES
 785 dnl ],
 786 dnl [EnableWin32DLLs=NO]
 787 dnl )
 788 dnl AC_SUBST(EnableWin32DLLs)
 789 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 790 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 791 dnl fi
 792
 793 dnl ** Enable the building of the ObjectIO?
 794 dnl --------------------------------------------------------------
 795 AC_ARG_ENABLE(objectio,
 796 [AC_HELP_STRING([--enable-objectio],
 797 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 798 [ if test x"$enableval" = x"yes"; then
 799         GhcLibsWithObjectIO=YES
 800   else
 801         GhcLibsWithObjectIO=NO
 802   fi
 803 ],
 804 [GhcLibsWithObjectIO=NO]
 805 )
 806 AC_SUBST(GhcLibsWithObjectIO)
 807
 808 dnl ** .NET interop support?
 809 dnl --------------------------------------------------------------
 810 AC_ARG_ENABLE(dotnet,
 811 [AC_HELP_STRING([--enable-dotnet],
 812 [Build .NET interop layer. [default=no]])],
 813 [ if test x"$enableval" = x"yes"; then
 814         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 815   else
 816         DotnetSupport=NO
 817   fi],
 818 [DotnetSupport=NO]
 819 )
 820 AC_SUBST(DotnetSupport)
 821
 822 dnl --------------------------------------------------------------
 823 dnl End of configure script option section
 824 dnl --------------------------------------------------------------
 825
 826
 827 dnl --------------------------------------------------------------
 828 dnl * General configuration checks
 829 dnl --------------------------------------------------------------
 830
 831 dnl ** Can the unix package be built?
 832 dnl --------------------------------------------------------------
 833
 834 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 835    GhcLibsWithUnix=NO
 836 else
 837    GhcLibsWithUnix=YES
 838 fi
 839 AC_SUBST([GhcLibsWithUnix])
 840
 841 dnl ** does #! work?
 842 AC_SYS_INTERPRETER()
 843
 844 dnl ** look for `perl', but only in /bin on Windows
 845 case $HostOS_CPP in
 846 cygwin32|mingw32)
 847       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 848       if test -z "$PerlCmd"; then
 849          echo "You must install the version of Perl shipped with GHC"
 850          echo "(or a compatible one) in /bin."
 851          exit 1
 852       fi
 853    ;;
 854 *)
 855    AC_PATH_PROG(PerlCmd,perl)
 856    if test -z "$PerlCmd"; then
 857       echo "You must install perl before you can continue"
 858       echo "Perhaps it is already installed, but not in your PATH?"
 859       exit 1
 860    else
 861    FPTOOLS_CHECK_PERL_VERSION
 862    fi
 863    ;;
 864 esac
 865
 866 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 867 FPTOOLS_SHEBANG_PERL
 868
 869 dnl ** check for Python
 870 AC_PATH_PROG(PythonCmd,python)
 871
 872 dnl ** look for GCC and find out which version
 873 dnl     Figure out which C compiler to use.  Gcc is preferred.
 874 dnl     If gcc, make sure it's at least 2.1
 875 dnl
 876 FP_HAVE_GCC
 877 FP_MINGW_GCC
 878 FP_GCC_EXTRA_FLAGS
 879
 880 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 881 AC_PROG_CPP
 882
 883 dnl ** Without optimization some INLINE trickery fails for GHCi
 884 SRC_CC_OPTS="-O"
 885
 886 dnl ** Try to add -mno-cygwin to the C compiler options
 887 FP_CHECK_FLAG([-mno-cygwin], [
 888 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 889 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 890 AC_SUBST(SRC_CC_OPTS)
 891
 892 dnl ** figure out how to do context diffs
 893 FP_PROG_CONTEXT_DIFF
 894
 895 dnl ** Find find command (for Win32's benefit)
 896 FP_PROG_FIND
 897
 898 dnl ** Find sort command (for the benefit of Win32 environs)
 899 FP_PROG_SORT
 900
 901 dnl Let's make sure install-sh is executable here.  If we got it from
 902 dnl a darcs repo, it might not be (see bug #978).
 903 chmod +x install-sh
 904 dnl ** figure out how to do a BSD-ish install
 905 AC_PROG_INSTALL
 906
 907 dnl If you can run configure, you certainly have /bin/sh
 908 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 909
 910 dnl ** how to invoke `ar' and `ranlib'
 911 FP_PROG_AR_NEEDS_RANLIB
 912 FP_PROG_AR_SUPPORTS_INPUT
 913
 914 dnl ** Check to see whether ln -s works
 915 AC_PROG_LN_S
 916
 917
 918 dnl ** Find the path to sed
 919 AC_PATH_PROG(SedCmd,sed)
 920
 921
 922 dnl ** check for time command
 923 AC_PATH_PROG(TimeCmd,time)
 924
 925 dnl ** check for tar
 926 dnl   if GNU tar is named gtar, look for it first.
 927 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 928
 929 AC_PATH_PROG(HSCOLOUR,HsColour)
 930 # HsColour is passed to Cabal, so we need a native path
 931 if test "x$HostPlatform" = "xi386-unknown-mingw32"
 932     then
 933        if test "${OSTYPE}" != "msys"
 934          then
 935          # Canonicalise to <drive>:/path/to/gcc
 936          HSCOLOUR=`cygpath -w ${HSCOLOUR} | sed -e 's@\\\\@/@g' `
 937        fi
 938 fi
 939
 940 dnl ** check for DocBook toolchain
 941 FP_CHECK_DOCBOOK_DTD
 942 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 943 FP_PROG_FO_PROCESSOR
 944
 945 dnl ** check for ghc-pkg command
 946 FP_PROG_GHC_PKG
 947
 948 AC_ARG_WITH(greencard,
 949 [AC_HELP_STRING([--with-greencard=ARG],
 950         [Use ARG as the path to greencard  [default=autodetct]])],
 951 [
 952 GreenCardCmd=$withval;
 953 FPTOOLS_GREENCARD(3.00)
 954 ]
 955 )
 956
 957 dnl ** check for installed happy binary + version
 958 dnl    (don't do it if we're booting from .hc files though.)
 959 if test "$BootingFromHc" = "NO"; then
 960 FPTOOLS_HAPPY
 961 fi;
 962
 963 dnl ** check for installed haddock
 964 FPTOOLS_HADDOCK
 965
 966 dnl ** check for installed alex binary + version
 967 dnl    (don't do it if we're booting from .hc files though.)
 968 if test "$BootingFromHc" = "NO"; then
 969 FPTOOLS_ALEX
 970 fi;
 971
 972 dnl --------------------------------------------------
 973 dnl ### program checking section ends here ###
 974 dnl --------------------------------------------------
 975
 976 dnl --------------------------------------------------
 977 dnl * Platform header file and syscall feature tests
 978 dnl ### checking the state of the local header files and syscalls ###
 979
 980 dnl ** check for full ANSI header (.h) files
 981 AC_HEADER_STDC
 982
 983 dnl ** Enable large file support.  NB. do this before testing the type of
 984 dnl    off_t, because it will affect the result of that test.
 985 AC_SYS_LARGEFILE
 986
 987 dnl ** check for specific header (.h) files that we are interested in
 988 AC_CHECK_HEADERS([bfd.h ctype.h dirent.h dlfcn.h errno.h fcntl.h grp.h limits.h locale.h nlist.h pthread.h pwd.h signal.h sys/mman.h sys/resource.h sys/time.h sys/timeb.h sys/timers.h sys/times.h sys/utsname.h sys/wait.h termios.h time.h utime.h windows.h winsock.h])
 989
 990 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 991 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 992
 993 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 994   GhcLibsWithReadline=YES
 995   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 996 else
 997   GhcLibsWithReadline=NO
 998   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 999 fi
1000 AC_SUBST(GhcLibsWithReadline)
1001
1002 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1003 AC_HEADER_TIME
1004
1005 dnl ** do we have long longs?
1006 AC_CHECK_TYPES([long long])
1007
1008 dnl ** what are the sizes of various types
1009 AC_CHECK_SIZEOF(char,               1)
1010 AC_CHECK_SIZEOF(double,             8)
1011 AC_CHECK_SIZEOF(float,              4)
1012 AC_CHECK_SIZEOF(int,                4)
1013 AC_CHECK_SIZEOF(long,               4)
1014 if test "$ac_cv_type_long_long" = yes; then
1015 AC_CHECK_SIZEOF(long long,          8)
1016 fi
1017 AC_CHECK_SIZEOF(short,              2)
1018 AC_CHECK_SIZEOF(unsigned char,      1)
1019 AC_CHECK_SIZEOF(unsigned int,       4)
1020 AC_CHECK_SIZEOF(unsigned long,      4)
1021 if test "$ac_cv_type_long_long" = yes; then
1022 AC_CHECK_SIZEOF(unsigned long long, 8)
1023 fi
1024 AC_CHECK_SIZEOF(unsigned short,     2)
1025 AC_CHECK_SIZEOF(void *,             4)
1026
1027 dnl ** what are alignment constraints on various types
1028 FP_CHECK_ALIGNMENT(char)
1029 FP_CHECK_ALIGNMENT(double)
1030 FP_CHECK_ALIGNMENT(float)
1031 FP_CHECK_ALIGNMENT(int)
1032 FP_CHECK_ALIGNMENT(long)
1033 if test "$ac_cv_type_long_long" = yes; then
1034 FP_CHECK_ALIGNMENT(long long)
1035 fi
1036 FP_CHECK_ALIGNMENT(short)
1037 FP_CHECK_ALIGNMENT(unsigned char)
1038 FP_CHECK_ALIGNMENT(unsigned int)
1039 FP_CHECK_ALIGNMENT(unsigned long)
1040 if test "$ac_cv_type_long_long" = yes; then
1041 FP_CHECK_ALIGNMENT(unsigned long long)
1042 fi
1043 FP_CHECK_ALIGNMENT(unsigned short)
1044 FP_CHECK_ALIGNMENT(void *)
1045
1046 FP_CHECK_FUNC([WinExec],
1047   [@%:@include <windows.h>], [WinExec("",0)])
1048
1049 FP_CHECK_FUNC([GetModuleFileName],
1050   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1051
1052 dnl ** check return type of signal handlers
1053 dnl Foo: assumes we can use prototypes.
1054 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1055 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1056 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1057 dnl #include <signal.h>
1058 dnl #ifdef signal
1059 dnl #undef signal
1060 dnl #endif
1061 dnl void (*signal (int, void (*)(int)))(int);
1062 dnl ]],
1063 dnl [[int i;]])],
1064 dnl [ac_cv_type_signal_handler=void_int],
1065 dnl [ac_cv_type_signal_handler=int_void])])
1066 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1067 dnl AC_DEFINE(VOID_INT_SIGNALS)
1068 dnl fi
1069
1070 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1071 AC_TYPE_SIGNAL
1072 if test "$ac_cv_type_signal" = void; then
1073   AC_DEFINE([VOID_INT_SIGNALS], [1], [Define to 1 if signal handlers have type void (*)(int). Otherwise, they're assumed to have type int (*)(void).])
1074 fi
1075
1076 dnl ** check for more functions
1077 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1078 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1079 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1080 dnl ** _POSIX_C_SOURCE is defined
1081 AC_CHECK_DECLS([ctime_r], , ,
1082 [#define _POSIX_SOURCE 1
1083 #define _POSIX_C_SOURCE 199506L
1084 #include <time.h>])
1085
1086 dnl ** For ghc/rts/gmp:
1087 AC_CHECK_FUNCS([getpagesize])
1088
1089 dnl ** check whether this machine has gmp3 installed
1090 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1091   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1092     HaveLibGmp=NO; LibGmp=not-installed))
1093   if test $HaveLibGmp = YES; then
1094     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1095   fi;
1096 AC_SUBST(HaveLibGmp)
1097 AC_SUBST(LibGmp)
1098
1099 dnl ** (Mac OS X only: check for GMP.framework)
1100 HaveFrameworkGMP=NO
1101 case $HostPlatform in
1102 *-apple-darwin)
1103     AC_MSG_CHECKING([for GMP.framework])
1104     save_libs="$LIBS"
1105     LIBS="-framework GMP"
1106     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1107     if test $HaveFrameworkGMP = YES; then
1108       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1109     fi;
1110     LIBS="$save_libs"
1111     AC_MSG_RESULT([$HaveFrameworkGMP])
1112     ;;
1113 esac
1114 AC_SUBST(HaveFrameworkGMP)
1115
1116 dnl ** check for mingwex library
1117 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1118 AC_SUBST(HaveLibMingwEx)
1119
1120 if test $HaveLibMingwEx = YES ; then
1121   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1122 fi
1123
1124 if test "$HaveLibGmp" = "NO"; then
1125 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1126 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1127 fi;
1128 fi;
1129
1130 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1131 dnl    the order of these tests matters: bfd needs liberty
1132 AC_CHECK_LIB(iberty, xmalloc)
1133 AC_CHECK_LIB(bfd,    bfd_init)
1134
1135 dnl ** check for math library
1136 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1137 if test x"$fp_libm_not_needed" = xdunno; then
1138    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1139 fi
1140 AC_SUBST([LIBM])
1141
1142 dnl ################################################################
1143 dnl Check for libraries
1144 dnl ################################################################
1145
1146 dnl ** check whether we need -ldl to get dlopen()
1147
1148 AC_CHECK_LIB(dl, dlopen,
1149     [HaveLibDL=YES
1150      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1151      LIBS="$LIBS -ldl"],
1152     [HaveLibDL=NO])
1153 AC_SUBST(HaveLibDL)
1154
1155 dnl --------------------------------------------------
1156 dnl * Miscellaneous feature tests
1157 dnl --------------------------------------------------
1158
1159 dnl ** can we get alloca?
1160 AC_FUNC_ALLOCA
1161
1162 dnl ** Working vfork?
1163 AC_FUNC_FORK
1164
1165 dnl ** determine whether or not const works
1166 AC_C_CONST
1167
1168 dnl ** are we big endian?
1169 AC_C_BIGENDIAN
1170 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1171
1172 dnl ** check for leading underscores in symbol names
1173 FP_LEADING_UNDERSCORE
1174
1175 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1176 FP_PROG_LD_X
1177 FP_PROG_LD_IS_GNU
1178
1179 dnl ** check for Apple-style dead-stripping support
1180 dnl    (.subsections-via-symbols assembler directive)
1181
1182
1183 AC_MSG_CHECKING(for .subsections_via_symbols)
1184 AC_COMPILE_IFELSE(
1185     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1186     [AC_MSG_RESULT(yes)
1187      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1188                [Define to 1 if Apple-style dead-stripping is supported.])
1189     ],
1190     [AC_MSG_RESULT(no)])
1191
1192 dnl *** check for GNU non-executable stack note support (ELF only)
1193 dnl     (.section .note.GNU-stack,"",@progbits)
1194
1195 AC_MSG_CHECKING(for GNU non-executable stack support)
1196 AC_COMPILE_IFELSE(
1197     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1198     [AC_MSG_RESULT(yes)
1199      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1200                [Define to 1 if GNU non-executable stack notes are supported.])
1201     ],
1202     [AC_MSG_RESULT(no)])
1203
1204 dnl ** check for librt
1205 AC_CHECK_LIB(rt, clock_gettime)
1206 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1207 FP_CHECK_TIMER_CREATE
1208
1209 dnl ** check for Apple's "interesting" long double compatibility scheme
1210 AC_MSG_CHECKING(for printf\$LDBLStub)
1211 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1212     [
1213         AC_MSG_RESULT(yes)
1214         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1215             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1216     ],
1217     [
1218         AC_MSG_RESULT(no)
1219         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1220             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1221     ])
1222
1223 # test for GTK+
1224 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1225 if test -n "$GTK_CONFIG"; then
1226   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1227     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1228   else
1229     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1230     GTK_CONFIG=
1231   fi
1232 fi
1233 AC_SUBST([GTK_CONFIG])
1234
1235 #Checking for PAPI
1236 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1237 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1238 AC_SUBST(HavePapiLib)
1239 AC_SUBST(HavePapiHeader)
1240
1241 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1242    HavePapi=YES
1243 else
1244    HavePapi=NO
1245 fi
1246 AC_SUBST(HavePapi)
1247
1248 AC_CONFIG_FILES([mk/config.mk ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1249 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1250 AC_OUTPUT