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="$GHC"])
 638 AC_SUBST([WithGhc])
 639
 640 FP_FIND_ROOT
 641
 642 AC_ARG_WITH(hc,
 643 [AC_HELP_STRING([--with-hc=ARG],
 644         [Use ARG as the path to the compiler for compiling ordinary
 645          Haskell code  (default= value of --with-ghc)])],
 646 [WithHc="$withval"],
 647 [WithHc=$WithGhc]
 648 )
 649 AC_SUBST(WithHc)
 650
 651 if test "$WithGhc" != ""; then
 652   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 653   AC_SUBST(GhcVersion)dnl
 654   AC_SUBST(GhcMajVersion)dnl
 655   AC_SUBST(GhcMinVersion)dnl
 656   AC_SUBST(GhcPatchLevel)dnl
 657   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
 658   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
 659   if test $GhcCanonVersion -ge 601; then ghc_ge_601=YES; else ghc_ge_601=NO; fi
 660   if test $GhcCanonVersion -ge 602; then ghc_ge_602=YES; else ghc_ge_602=NO; fi
 661   if test $GhcCanonVersion -ge 603; then ghc_ge_603=YES; else ghc_ge_603=NO; fi
 662   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
 663   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
 664   AC_SUBST(ghc_ge_601)dnl
 665   AC_SUBST(ghc_ge_602)dnl
 666   AC_SUBST(ghc_ge_603)dnl
 667   AC_SUBST(ghc_ge_605)dnl
 668   AC_SUBST(ghc_ge_607)dnl
 669 fi
 670
 671 # Check whether this GHC has readline installed
 672 FP_GHC_HAS_READLINE
 673
 674 AC_PATH_PROGS(NHC,nhc nhc98)
 675 AC_PATH_PROG(HBC,hbc)
 676
 677 dnl ** Which gcc to use?
 678 dnl --------------------------------------------------------------
 679 AC_ARG_WITH(gcc,
 680 [AC_HELP_STRING([--with-gcc=ARG],
 681         [Use ARG as the path to GCC  [default=autodetect]])],
 682 [WhatGccIsCalled="$withval"
 683  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 684     then
 685        if test "${OSTYPE}" != "msys"
 686          then
 687          # Canonicalise to <drive>:/path/to/gcc
 688          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 689        fi
 690  fi;
 691  CC="$withval"
 692  export CC
 693  ],
 694 [WhatGccIsCalled="gcc"]
 695 )
 696 AC_SUBST(WhatGccIsCalled)
 697
 698 dnl ** Which ld to use?
 699 dnl --------------------------------------------------------------
 700 AC_ARG_WITH(ld,
 701 [AC_HELP_STRING([--with-ld=ARG],
 702         [Use ARG as the path to LD  [default=autodetect]])],
 703 [if test "x$HostPlatform" = "xi386-unknown-mingw32"
 704     then
 705        if test "${OSTYPE}" != "msys"
 706          then
 707          # Canonicalise to <drive>:/path/to/ld
 708          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 709        fi
 710  fi;
 711  LD=$withval
 712  FP_PROG_LD([$LD])
 713  ],
 714  [FP_PROG_LD()]
 715 )
 716
 717 dnl ** Booting from .hc files?
 718 dnl --------------------------------------------------------------
 719 AC_ARG_ENABLE(hc-boot,
 720 [AC_HELP_STRING([--enable-hc-boot],
 721 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 722  (This option is mostly of interest to porters.) [default=no]])],
 723 [ if test x"$enableval" = x"yes"; then
 724         BootingFromHc=YES
 725   else
 726         BootingFromHc=NO
 727   fi
 728 ],
 729 [BootingFromHc=NO]
 730 )
 731 AC_SUBST(BootingFromHc)
 732
 733 dnl ** Booting from unregisterised .hc files?
 734 dnl --------------------------------------------------------------
 735 AC_ARG_ENABLE(hc-boot-unregisterised,
 736 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 737 [ With --enable-hc-boot, treat the intermediate .hc files as
 738  unregisterised rather than registerised code.
 739  (This option is mostly of interest to porters.) [default=no]])],
 740 [ if test x"$enableval" = x"yes"; then
 741         BootingFromUnregisterisedHc=YES
 742   else
 743         BootingFromUnregisterisedHc=NO
 744   fi
 745 ],
 746 [BootingFromUnregisterisedHc=NO]
 747 )
 748 AC_SUBST(BootingFromUnregisterisedHc)
 749
 750 if test "$BootingFromHc" = "NO"; then
 751 if test "$BootingFromUnregisterisedHc" = "YES"; then
 752 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 753 fi;
 754 fi;
 755
 756 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 757 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
 758 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 759 fi;
 760
 761 dnl ** Enable the construction of Win32 DLLs?
 762 dnl --------------------------------------------------------------
 763 dnl
 764 dnl [ The ability to build the RTS and libraries as separate DLLs used
 765 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 766 dnl   and build system would be required to bring it back again.)
 767 dnl   Hence, exposing it as an option is false advertisement, so better
 768 dnl   disable it to avoid confusion (but leave it commented-out rather
 769 dnl   than removed in order to remind ourselves to bring back the
 770 dnl   feature at some stage.) ]
 771 dnl
 772 dnl AC_ARG_ENABLE(win32-dlls,
 773 dnl [  --enable-win32-dlls
 774 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 775 dnl         construction of DLLs containing ghc-compiled code.
 776 dnl ],
 777 dnl [
 778 dnl case $HostOS_CPP in
 779 dnl cygwin32) ;;
 780 dnl mingw32)  ;;
 781 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 782 dnl       exit 1
 783 dnl       ;;
 784 dnl esac
 785 dnl EnableWin32DLLs=YES
 786 dnl ],
 787 dnl [EnableWin32DLLs=NO]
 788 dnl )
 789 dnl AC_SUBST(EnableWin32DLLs)
 790 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 791 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 792 dnl fi
 793
 794 dnl ** Enable the building of the ObjectIO?
 795 dnl --------------------------------------------------------------
 796 AC_ARG_ENABLE(objectio,
 797 [AC_HELP_STRING([--enable-objectio],
 798 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 799 [ if test x"$enableval" = x"yes"; then
 800         GhcLibsWithObjectIO=YES
 801   else
 802         GhcLibsWithObjectIO=NO
 803   fi
 804 ],
 805 [GhcLibsWithObjectIO=NO]
 806 )
 807 AC_SUBST(GhcLibsWithObjectIO)
 808
 809 dnl ** .NET interop support?
 810 dnl --------------------------------------------------------------
 811 AC_ARG_ENABLE(dotnet,
 812 [AC_HELP_STRING([--enable-dotnet],
 813 [Build .NET interop layer. [default=no]])],
 814 [ if test x"$enableval" = x"yes"; then
 815         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 816   else
 817         DotnetSupport=NO
 818   fi],
 819 [DotnetSupport=NO]
 820 )
 821 AC_SUBST(DotnetSupport)
 822
 823 dnl --------------------------------------------------------------
 824 dnl End of configure script option section
 825 dnl --------------------------------------------------------------
 826
 827
 828 dnl --------------------------------------------------------------
 829 dnl * General configuration checks
 830 dnl --------------------------------------------------------------
 831
 832 dnl ** Can the unix package be built?
 833 dnl --------------------------------------------------------------
 834
 835 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 836    GhcLibsWithUnix=NO
 837 else
 838    GhcLibsWithUnix=YES
 839 fi
 840 AC_SUBST([GhcLibsWithUnix])
 841
 842 dnl ** does #! work?
 843 AC_SYS_INTERPRETER()
 844
 845 dnl ** look for `perl', but only in /bin on Windows
 846 case $HostOS_CPP in
 847 cygwin32|mingw32)
 848       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 849       if test -z "$PerlCmd"; then
 850          echo "You must install the version of Perl shipped with GHC"
 851          echo "(or a compatible one) in /bin."
 852          exit 1
 853       fi
 854    ;;
 855 *)
 856    AC_PATH_PROG(PerlCmd,perl)
 857    if test -z "$PerlCmd"; then
 858       echo "You must install perl before you can continue"
 859       echo "Perhaps it is already installed, but not in your PATH?"
 860       exit 1
 861    else
 862    FPTOOLS_CHECK_PERL_VERSION
 863    fi
 864    ;;
 865 esac
 866
 867 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 868 FPTOOLS_SHEBANG_PERL
 869
 870 dnl ** check for Python
 871 AC_PATH_PROG(PythonCmd,python)
 872
 873 dnl ** look for GCC and find out which version
 874 dnl     Figure out which C compiler to use.  Gcc is preferred.
 875 dnl     If gcc, make sure it's at least 2.1
 876 dnl
 877 FP_HAVE_GCC
 878 FP_MINGW_GCC
 879 FP_GCC_EXTRA_FLAGS
 880
 881 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 882 AC_PROG_CPP
 883
 884 dnl ** Without optimization some INLINE trickery fails for GHCi
 885 SRC_CC_OPTS="-O"
 886
 887 dnl ** Try to add -mno-cygwin to the C compiler options
 888 FP_CHECK_FLAG([-mno-cygwin], [
 889 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 890 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 891 AC_SUBST(SRC_CC_OPTS)
 892
 893 dnl ** figure out how to do context diffs
 894 FP_PROG_CONTEXT_DIFF
 895
 896 dnl ** Find find command (for Win32's benefit)
 897 FP_PROG_FIND
 898
 899 dnl ** Find sort command (for the benefit of Win32 environs)
 900 FP_PROG_SORT
 901
 902 dnl Let's make sure install-sh is executable here.  If we got it from
 903 dnl a darcs repo, it might not be (see bug #978).
 904 chmod +x install-sh
 905 dnl ** figure out how to do a BSD-ish install
 906 AC_PROG_INSTALL
 907
 908 dnl If you can run configure, you certainly have /bin/sh
 909 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 910
 911 dnl ** how to invoke `ar' and `ranlib'
 912 FP_PROG_AR_NEEDS_RANLIB
 913 FP_PROG_AR_SUPPORTS_INPUT
 914
 915 dnl ** Check to see whether ln -s works
 916 AC_PROG_LN_S
 917
 918
 919 dnl ** Find the path to sed
 920 AC_PATH_PROG(SedCmd,sed)
 921
 922
 923 dnl ** check for time command
 924 AC_PATH_PROG(TimeCmd,time)
 925
 926 dnl ** check for tar
 927 dnl   if GNU tar is named gtar, look for it first.
 928 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 929
 930 AC_PATH_PROG(HSCOLOUR,HsColour)
 931
 932 dnl ** check for DocBook toolchain
 933 FP_CHECK_DOCBOOK_DTD
 934 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 935 FP_PROG_FO_PROCESSOR
 936
 937 dnl ** check for ghc-pkg command
 938 FP_PROG_GHC_PKG
 939
 940 AC_ARG_WITH(greencard,
 941 [AC_HELP_STRING([--with-greencard=ARG],
 942         [Use ARG as the path to greencard  [default=autodetct]])],
 943 [
 944 GreenCardCmd=$withval;
 945 FPTOOLS_GREENCARD(3.00)
 946 ]
 947 )
 948
 949 dnl ** check for installed happy binary + version
 950 dnl    (don't do it if we're booting from .hc files though.)
 951 if test "$BootingFromHc" = "NO"; then
 952 FPTOOLS_HAPPY
 953 fi;
 954
 955 dnl ** check for installed haddock
 956 FPTOOLS_HADDOCK
 957
 958 dnl ** check for installed alex binary + version
 959 dnl    (don't do it if we're booting from .hc files though.)
 960 if test "$BootingFromHc" = "NO"; then
 961 FPTOOLS_ALEX
 962 fi;
 963
 964 dnl --------------------------------------------------
 965 dnl ### program checking section ends here ###
 966 dnl --------------------------------------------------
 967
 968 dnl --------------------------------------------------
 969 dnl * Platform header file and syscall feature tests
 970 dnl ### checking the state of the local header files and syscalls ###
 971
 972 dnl ** check for full ANSI header (.h) files
 973 AC_HEADER_STDC
 974
 975 dnl ** Enable large file support.  NB. do this before testing the type of
 976 dnl    off_t, because it will affect the result of that test.
 977 AC_SYS_LARGEFILE
 978
 979 dnl ** check for specific header (.h) files that we are interested in
 980 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])
 981
 982 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 983 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 984
 985 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 986   GhcLibsWithReadline=YES
 987   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 988 else
 989   GhcLibsWithReadline=NO
 990   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 991 fi
 992 AC_SUBST(GhcLibsWithReadline)
 993
 994 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 995 AC_HEADER_TIME
 996
 997 dnl ** do we have long longs?
 998 AC_CHECK_TYPES([long long])
 999
1000 dnl ** what are the sizes of various types
1001 AC_CHECK_SIZEOF(char,               1)
1002 AC_CHECK_SIZEOF(double,             8)
1003 AC_CHECK_SIZEOF(float,              4)
1004 AC_CHECK_SIZEOF(int,                4)
1005 AC_CHECK_SIZEOF(long,               4)
1006 if test "$ac_cv_type_long_long" = yes; then
1007 AC_CHECK_SIZEOF(long long,          8)
1008 fi
1009 AC_CHECK_SIZEOF(short,              2)
1010 AC_CHECK_SIZEOF(unsigned char,      1)
1011 AC_CHECK_SIZEOF(unsigned int,       4)
1012 AC_CHECK_SIZEOF(unsigned long,      4)
1013 if test "$ac_cv_type_long_long" = yes; then
1014 AC_CHECK_SIZEOF(unsigned long long, 8)
1015 fi
1016 AC_CHECK_SIZEOF(unsigned short,     2)
1017 AC_CHECK_SIZEOF(void *,             4)
1018
1019 dnl ** what are alignment constraints on various types
1020 FP_CHECK_ALIGNMENT(char)
1021 FP_CHECK_ALIGNMENT(double)
1022 FP_CHECK_ALIGNMENT(float)
1023 FP_CHECK_ALIGNMENT(int)
1024 FP_CHECK_ALIGNMENT(long)
1025 if test "$ac_cv_type_long_long" = yes; then
1026 FP_CHECK_ALIGNMENT(long long)
1027 fi
1028 FP_CHECK_ALIGNMENT(short)
1029 FP_CHECK_ALIGNMENT(unsigned char)
1030 FP_CHECK_ALIGNMENT(unsigned int)
1031 FP_CHECK_ALIGNMENT(unsigned long)
1032 if test "$ac_cv_type_long_long" = yes; then
1033 FP_CHECK_ALIGNMENT(unsigned long long)
1034 fi
1035 FP_CHECK_ALIGNMENT(unsigned short)
1036 FP_CHECK_ALIGNMENT(void *)
1037
1038 FP_CHECK_FUNC([WinExec],
1039   [@%:@include <windows.h>], [WinExec("",0)])
1040
1041 FP_CHECK_FUNC([GetModuleFileName],
1042   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1043
1044 dnl ** check return type of signal handlers
1045 dnl Foo: assumes we can use prototypes.
1046 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1047 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1048 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1049 dnl #include <signal.h>
1050 dnl #ifdef signal
1051 dnl #undef signal
1052 dnl #endif
1053 dnl void (*signal (int, void (*)(int)))(int);
1054 dnl ]],
1055 dnl [[int i;]])],
1056 dnl [ac_cv_type_signal_handler=void_int],
1057 dnl [ac_cv_type_signal_handler=int_void])])
1058 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1059 dnl AC_DEFINE(VOID_INT_SIGNALS)
1060 dnl fi
1061
1062 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1063 AC_TYPE_SIGNAL
1064 if test "$ac_cv_type_signal" = void; then
1065   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).])
1066 fi
1067
1068 dnl ** check for more functions
1069 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1070 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1071 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1072 dnl ** _POSIX_C_SOURCE is defined
1073 AC_CHECK_DECLS([ctime_r], , ,
1074 [#define _POSIX_SOURCE 1
1075 #define _POSIX_C_SOURCE 199506L
1076 #include <time.h>])
1077
1078 dnl ** For ghc/rts/gmp:
1079 AC_CHECK_FUNCS([getpagesize])
1080
1081 dnl ** check whether this machine has gmp3 installed
1082 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1083   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1084     HaveLibGmp=NO; LibGmp=not-installed))
1085   if test $HaveLibGmp = YES; then
1086     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1087   fi;
1088 AC_SUBST(HaveLibGmp)
1089 AC_SUBST(LibGmp)
1090
1091 dnl ** (Mac OS X only: check for GMP.framework)
1092 HaveFrameworkGMP=NO
1093 case $HostPlatform in
1094 *-apple-darwin)
1095     AC_MSG_CHECKING([for GMP.framework])
1096     save_libs="$LIBS"
1097     LIBS="-framework GMP"
1098     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1099     if test $HaveFrameworkGMP = YES; then
1100       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1101     fi;
1102     LIBS="$save_libs"
1103     AC_MSG_RESULT([$HaveFrameworkGMP])
1104     ;;
1105 esac
1106 AC_SUBST(HaveFrameworkGMP)
1107
1108 dnl ** check for mingwex library
1109 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1110 AC_SUBST(HaveLibMingwEx)
1111
1112 if test $HaveLibMingwEx = YES ; then
1113   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1114 fi
1115
1116 if test "$HaveLibGmp" = "NO"; then
1117 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1118 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1119 fi;
1120 fi;
1121
1122 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1123 dnl    the order of these tests matters: bfd needs liberty
1124 AC_CHECK_LIB(iberty, xmalloc)
1125 AC_CHECK_LIB(bfd,    bfd_init)
1126
1127 dnl ** check for math library
1128 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1129 if test x"$fp_libm_not_needed" = xdunno; then
1130    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1131 fi
1132 AC_SUBST([LIBM])
1133
1134 dnl ################################################################
1135 dnl Check for libraries
1136 dnl ################################################################
1137
1138 dnl ** check whether we need -ldl to get dlopen()
1139
1140 AC_CHECK_LIB(dl, dlopen,
1141     [HaveLibDL=YES
1142      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1143      LIBS="$LIBS -ldl"],
1144     [HaveLibDL=NO])
1145 AC_SUBST(HaveLibDL)
1146
1147 dnl --------------------------------------------------
1148 dnl * Miscellaneous feature tests
1149 dnl --------------------------------------------------
1150
1151 dnl ** can we get alloca?
1152 AC_FUNC_ALLOCA
1153
1154 dnl ** Working vfork?
1155 AC_FUNC_FORK
1156
1157 dnl ** determine whether or not const works
1158 AC_C_CONST
1159
1160 dnl ** are we big endian?
1161 AC_C_BIGENDIAN
1162 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1163
1164 dnl ** check for leading underscores in symbol names
1165 FP_LEADING_UNDERSCORE
1166
1167 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1168 FP_PROG_LD_X
1169 FP_PROG_LD_IS_GNU
1170
1171 dnl ** check for Apple-style dead-stripping support
1172 dnl    (.subsections-via-symbols assembler directive)
1173
1174
1175 AC_MSG_CHECKING(for .subsections_via_symbols)
1176 AC_COMPILE_IFELSE(
1177     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1178     [AC_MSG_RESULT(yes)
1179      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1180                [Define to 1 if Apple-style dead-stripping is supported.])
1181     ],
1182     [AC_MSG_RESULT(no)])
1183
1184 dnl *** check for GNU non-executable stack note support (ELF only)
1185 dnl     (.section .note.GNU-stack,"",@progbits)
1186
1187 AC_MSG_CHECKING(for GNU non-executable stack support)
1188 AC_COMPILE_IFELSE(
1189     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1190     [AC_MSG_RESULT(yes)
1191      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1192                [Define to 1 if GNU non-executable stack notes are supported.])
1193     ],
1194     [AC_MSG_RESULT(no)])
1195
1196 dnl ** check for librt
1197 AC_CHECK_LIB(rt, clock_gettime)
1198 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1199 FP_CHECK_TIMER_CREATE
1200
1201 dnl ** check for Apple's "interesting" long double compatibility scheme
1202 AC_MSG_CHECKING(for printf\$LDBLStub)
1203 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1204     [
1205         AC_MSG_RESULT(yes)
1206         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1207             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1208     ],
1209     [
1210         AC_MSG_RESULT(no)
1211         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1212             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1213     ])
1214
1215 # test for GTK+
1216 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1217 if test -n "$GTK_CONFIG"; then
1218   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1219     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1220   else
1221     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1222     GTK_CONFIG=
1223   fi
1224 fi
1225 AC_SUBST([GTK_CONFIG])
1226
1227 #Checking for PAPI
1228 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1229 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1230 AC_SUBST(HavePapiLib)
1231 AC_SUBST(HavePapiHeader)
1232
1233 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1234    HavePapi=YES
1235 else
1236    HavePapi=NO
1237 fi
1238 AC_SUBST(HavePapi)
1239
1240 AC_CONFIG_FILES([mk/config.mk ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1241 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1242 AC_OUTPUT