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], [6.7], [glasgow-haskell-bugs@haskell.org], [ghc])
  17
  18 # Set this to YES for a released version, otherwise NO
  19 : ${RELEASE=NO}
  20
  21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
  22 # above.  If this is not a released version, then we will append the
  23 # date to the version number (e.g. 6.7.20070204).  The date is
  24 # constructed by finding the date of the most recent patch in the
  25 # darcs repository.  If this is a source distribution (not a darcs
  26 # checkout), then we ship a file 'VERSION' containing the full version
  27 # when the source distribution was created.
  28
  29 if test ! -f mk/config.h.in; then
  30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'autoreconf'?"
  31    exit 1
  32 fi
  33
  34 FP_SETUP_PROJECT_VERSION
  35
  36 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
  37 AC_SUBST([release], [1])
  38
  39 # First off, a distrib sanity check..
  40 AC_CONFIG_SRCDIR([mk/config.mk.in])
  41
  42 dnl * We require autoconf version 2.52
  43 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  44 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  45 AC_PREREQ([2.52])
  46
  47 dnl * Declare subdirectories that have a private configure script
  48 dnl
  49 dnl After the toplevel configuration is complete, the script will recurse into
  50 dnl these subdirectories if they exist. The use of a cache file makes repeated
  51 dnl checks cheap.
  52 AC_CONFIG_SUBDIRS([libraries])
  53
  54 # -------------------------------------------------------------------------
  55 # Prepare to generate the following header files
  56 #
  57 #
  58 AC_CONFIG_HEADER(mk/config.h)
  59
  60 # No, semi-sadly, we don't do `--srcdir'...
  61 if test x"$srcdir" != 'x.' ; then
  62     echo "This configuration does not support the \`--srcdir' option.."
  63     exit 1
  64 fi
  65
  66 dnl--------------------------------------------------------------------
  67 dnl * Deal with arguments telling us gmp is somewhere odd
  68 dnl--------------------------------------------------------------------
  69
  70 FP_ARG_GMP
  71
  72 GMP_INCLUDE_DIRS=
  73 GMP_LIB_DIRS=
  74 if test "x$gmp_libraries" != "xNONE"; then
  75   LDFLAGS="-L$gmp_libraries $LDFLAGS"
  76   GMP_LIB_DIRS=$gmp_libraries
  77 fi
  78 if test "x$gmp_includes" != "xNONE"; then
  79   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
  80   GMP_INCLUDE_DIRS=$gmp_includes
  81 fi
  82 AC_SUBST(GMP_INCLUDE_DIRS)
  83 AC_SUBST(GMP_LIB_DIRS)
  84
  85 dnl--------------------------------------------------------------------
  86 dnl * Choose host(/target/build) platform
  87 dnl--------------------------------------------------------------------
  88
  89 dnl Guess host/target/build platform(s) if necessary.
  90 AC_CANONICAL_TARGET
  91
  92 # "$host" defaults to "$target"
  93 if test "x$host" = xNONE ; then
  94     host=$target
  95 fi
  96
  97 dnl ** canonicalize platform names
  98 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  99 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
 100 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
 101
 102 if test x"$TargetPlatform" != x"$HostPlatform" ; then
 103     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
 104     exit 1
 105 fi
 106
 107 exeext=''
 108 #
 109 # The following will be more difficult when we *are* cross-compiling.
 110 # Suitable names to slam in *_CPP are in platform.h.in.
 111 # We also record the architecture, vendor, and operating system (OS)
 112 # separately.
 113 case $HostPlatform in
 114 alpha*-dec-osf[[12]]*)
 115         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
 116         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
 117         BuildPlatform=alpha-dec-osf1  # hack
 118         HostPlatform_CPP='alpha_dec_osf1'
 119         HostArch_CPP='alpha'
 120         HostVendor_CPP='dec'
 121         HostOS_CPP='osf1'
 122         ;;
 123 alpha*-dec-osf[[345]]*)
 124         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
 125         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
 126         BuildPlatform=alpha-dec-osf3  # hack
 127         HostPlatform_CPP='alpha_dec_osf3'
 128         HostArch_CPP='alpha'
 129         HostVendor_CPP='dec'
 130         HostOS_CPP='osf3'
 131         ;;
 132 alpha*-unknown-linux*)
 133         HostPlatform=alpha-unknown-linux
 134         TargetPlatform=alpha-unknown-linux
 135         BuildPlatform=alpha-unknown-linux
 136         HostPlatform_CPP='alpha_unknown_linux'
 137         HostArch_CPP='alpha'
 138         HostVendor_CPP='unknown'
 139         HostOS_CPP='linux'
 140         ;;
 141 alpha*-unknown-freebsd*)
 142         HostPlatform=alpha-unknown-freebsd
 143         TargetPlatform=alpha-unknown-freebsd
 144         BuildPlatform=alpha-unknown-freebsd
 145         HostPlatform_CPP='alpha_unknown_freebsd'
 146         HostArch_CPP='alpha'
 147         HostVendor_CPP='unknown'
 148         HostOS_CPP='freebsd'
 149         ;;
 150 alpha*-unknown-openbsd*)
 151         HostPlatform=alpha-unknown-openbsd
 152         TargetPlatform=alpha-unknown-openbsd
 153         BuildPlatform=alpha-unknown-openbsd
 154         HostPlatform_CPP='alpha_unknown_openbsd'
 155         HostArch_CPP='alpha'
 156         HostVendor_CPP='unknown'
 157         HostOS_CPP='openbsd'
 158         ;;
 159 amd64-*-openbsd*|x86_64-*-openbsd*)
 160         HostPlatform=x86_64-unknown-openbsd
 161         TargetPlatform=x86_64-unknown-openbsd
 162         BuildPlatform=x86_64-unknown-openbsd
 163         HostPlatform_CPP='x86_64_unknown_openbsd'
 164         HostArch_CPP='x86_64'
 165         HostVendor_CPP='unknown'
 166         HostOS_CPP='openbsd'
 167         ;;
 168 amd64-*-freebsd*)
 169         HostPlatform=x86_64-unknown-freebsd
 170         TargetPlatform=x86_64-unknown-freebsd
 171         BuildPlatform=x86_64-unknown-freebsd
 172         HostPlatform_CPP='x86_64_unknown_freebsd'
 173         HostArch_CPP='x86_64'
 174         HostVendor_CPP='unknown'
 175         HostOS_CPP='freebsd'
 176         ;;
 177 arm*-linux*)
 178         HostPlatform=arm-unknown-linux # hack again
 179         TargetPlatform=arm-unknown-linux
 180         BuildPlatform=arm-unknown-linux
 181         HostPlatform_CPP='arm_unknown_linux'
 182         HostArch_CPP='arm'
 183         HostVendor_CPP='unknown'
 184         HostOS_CPP='linux'
 185         ;;
 186 arm*-openbsd*)
 187         HostPlatform=arm-unknown-openbsd
 188         TargetPlatform=arm-unknown-openbsd
 189         BuildPlatform=arm-unknown-openbsd
 190         HostPlatform_CPP='arm_unknown_openbsd'
 191         HostArch_CPP='arm'
 192         HostVendor_CPP='unknown'
 193         HostOS_CPP='openbsd'
 194         ;;
 195 hppa*-*-linux*)
 196         HostPlatform=hppa-unknown-linux # hack again
 197         TargetPlatform=hppa-unknown-linux
 198         BuildPlatform=hppa-unknown-linux
 199         HostPlatform_CPP='hppa_unknown_linux'
 200         HostArch_CPP='hppa'
 201         HostVendor_CPP='unknown'
 202         HostOS_CPP='linux'
 203         ;;
 204 hppa*-*-openbsd*)
 205         HostPlatform=hppa-unknown-openbsd # hack again
 206         TargetPlatform=hppa-unknown-openbsd
 207         BuildPlatform=hppa-unknown-openbsd
 208         HostPlatform_CPP='hppa_unknown_openbsd'
 209         HostArch_CPP='hppa'
 210         HostVendor_CPP='unknown'
 211         HostOS_CPP='openbsd'
 212         ;;
 213 hppa1.1-hp-hpux*)
 214         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 215         TargetPlatform=hppa1.1-hp-hpux
 216         BuildPlatform=hppa1.1-hp-hpux
 217         HostPlatform_CPP='hppa1_1_hp_hpux'
 218         HostArch_CPP='hppa1_1'
 219         HostVendor_CPP='hp'
 220         HostOS_CPP='hpux'
 221         ;;
 222 i[[3456]]86-*-linuxaout*)
 223         HostPlatform=i386-unknown-linuxaout   # hack again
 224         TargetPlatform=i386-unknown-linuxaout
 225         BuildPlatform=i386-unknown-linuxaout
 226         HostPlatform_CPP='i386_unknown_linuxaout'
 227         HostArch_CPP='i386'
 228         HostVendor_CPP='unknown'
 229         HostOS_CPP='linuxaout'
 230         ;;
 231 i[[3456]]86-*-linux*)
 232         HostPlatform=i386-unknown-linux # hack again
 233         TargetPlatform=i386-unknown-linux
 234         BuildPlatform=i386-unknown-linux
 235         HostPlatform_CPP='i386_unknown_linux'
 236         HostArch_CPP='i386'
 237         HostVendor_CPP='unknown'
 238         HostOS_CPP='linux'
 239         ;;
 240 i[[3456]]86-*-kfreebsd*-gnu)
 241         HostPlatform=i386-unknown-kfreebsdgnu # hack again
 242         TargetPlatform=i386-unknown-kfreebsdgnu
 243         BuildPlatform=i386-unknown-kfreebsdgnu
 244         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
 245         HostArch_CPP='i386'
 246         HostVendor_CPP='unknown'
 247         HostOS_CPP='kfreebsdgnu'
 248         ;;
 249 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 250         HostPlatform=i386-unknown-freebsd # hack again
 251         TargetPlatform=i386-unknown-freebsd
 252         BuildPlatform=i386-unknown-freebsd
 253         HostPlatform_CPP='i386_unknown_freebsd'
 254         HostArch_CPP='i386'
 255         HostVendor_CPP='unknown'
 256         HostOS_CPP='freebsd'
 257         ;;
 258 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 259         HostPlatform=i386-unknown-freebsd2 # hack again
 260         TargetPlatform=i386-unknown-freebsd2
 261         BuildPlatform=i386-unknown-freebsd2
 262         HostPlatform_CPP='i386_unknown_freebsd2'
 263         HostArch_CPP='i386'
 264         HostVendor_CPP='unknown'
 265         HostOS_CPP='freebsd2'
 266         ;;
 267 i[[3456]]86-*-netbsd*)
 268         HostPlatform=i386-unknown-netbsd # hack again
 269         TargetPlatform=i386-unknown-netbsd
 270         BuildPlatform=i386-unknown-netbsd
 271         HostPlatform_CPP='i386_unknown_netbsd'
 272         HostArch_CPP='i386'
 273         HostVendor_CPP='unknown'
 274         HostOS_CPP='netbsd'
 275         ;;
 276 i[[3456]]86-*-openbsd*)
 277         HostPlatform=i386-unknown-openbsd # hack again
 278         TargetPlatform=i386-unknown-openbsd
 279         BuildPlatform=i386-unknown-openbsd
 280         HostPlatform_CPP='i386_unknown_openbsd'
 281         HostArch_CPP='i386'
 282         HostVendor_CPP='unknown'
 283         HostOS_CPP='openbsd'
 284         ;;
 285 i[[3456]]86-*-solaris2*)
 286         HostPlatform=i386-unknown-solaris2 # hack again
 287         TargetPlatform=i386-unknown-solaris2
 288         BuildPlatform=i386-unknown-solaris2
 289         HostPlatform_CPP='i386_unknown_solaris2'
 290         HostArch_CPP='i386'
 291         HostVendor_CPP='unknown'
 292         HostOS_CPP='solaris2'
 293         ;;
 294 i[[3456]]86-*-cygwin*)
 295         HostPlatform=i386-unknown-cygwin32 # hack again
 296         TargetPlatform=i386-unknown-cygwin32
 297         BuildPlatform=i386-unknown-cygwin32
 298         HostPlatform_CPP='i386_unknown_cygwin32'
 299         HostArch_CPP='i386'
 300         HostVendor_CPP='unknown'
 301         HostOS_CPP='cygwin32'
 302         exeext='.exe'
 303         ;;
 304 i[[3456]]86-*-mingw32*)
 305         HostPlatform=i386-unknown-mingw32 # hack again
 306         TargetPlatform=i386-unknown-mingw32
 307         BuildPlatform=i386-unknown-mingw32
 308         HostPlatform_CPP='i386_unknown_mingw32'
 309         HostArch_CPP='i386'
 310         HostVendor_CPP='unknown'
 311         HostOS_CPP='mingw32'
 312         exeext='.exe'
 313         ;;
 314 i[[3456]]86-apple-darwin*)
 315         HostPlatform=i386-apple-darwin
 316         TargetPlatform=i386-apple-darwin #hack
 317         BuildPlatform=i386-apple-darwin #hack
 318         HostPlatform_CPP='i386_apple_darwin'
 319         HostArch_CPP='i386'
 320         HostVendor_CPP='apple'
 321         HostOS_CPP='darwin'
 322         ;;
 323 i[[3456]]86-*-gnu*)
 324         HostPlatform=i386-unknown-gnu
 325         TargetPlatform=i386-unknown-gnu
 326         BuildPlatform=i386-unknown-gnu
 327         HostPlatform_CPP=i386_unknown_gnu
 328         HostArch_CPP=i386
 329         HostVendor_CPP=unknown
 330         HostOS_CPP=gnu
 331         ;;
 332 ia64-*-linux*)
 333         HostPlatform=ia64-unknown-linux # hack again
 334         TargetPlatform=ia64-unknown-linux
 335         BuildPlatform=ia64-unknown-linux
 336         HostPlatform_CPP='ia64_unknown_linux'
 337         HostArch_CPP='ia64'
 338         HostVendor_CPP='unknown'
 339         HostOS_CPP='linux'
 340         ;;
 341 x86_64-*-linux*)
 342         HostPlatform=x86_64-unknown-linux
 343         TargetPlatform=x86_64-unknown-linux
 344         BuildPlatform=x86_64-unknown-linux
 345         HostPlatform_CPP='x86_64_unknown_linux'
 346         HostArch_CPP='x86_64'
 347         HostVendor_CPP='unknown'
 348         HostOS_CPP='linux'
 349         ;;
 350 x86_64-apple-darwin*)
 351         HostPlatform=x86_64-apple-darwin
 352         TargetPlatform=x86_64-apple-darwin
 353         BuildPlatform=x86_64-apple-darwin
 354         HostPlatform_CPP='x86_64_apple_darwin'
 355         HostArch_CPP='x86_64'
 356         HostVendor_CPP='apple'
 357         HostOS_CPP='darwin'
 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         ;;
 485 powerpc-unknown-linux*)
 486         HostPlatform=powerpc-unknown-linux
 487         TargetPlatform=powerpc-unknown-linux
 488         BuildPlatform=powerpc-unknown-linux
 489         HostPlatform_CPP='powerpc_unknown_linux'
 490         HostArch_CPP='powerpc'
 491         HostVendor_CPP='unknown'
 492         HostOS_CPP='linux'
 493         ;;
 494 powerpc-unknown-openbsd*)
 495         HostPlatform=powerpc-unknown-openbsd
 496         TargetPlatform=powerpc-unknown-openbsd
 497         BuildPlatform=powerpc-unknown-openbsd
 498         HostPlatform_CPP='powerpc_unknown_openbsd'
 499         HostArch_CPP='powerpc'
 500         HostVendor_CPP='unknown'
 501         HostOS_CPP='openbsd'
 502         ;;
 503 powerpc64-unknown-linux*)
 504         HostPlatform=powerpc64-unknown-linux
 505         TargetPlatform=powerpc64-unknown-linux
 506         BuildPlatform=powerpc64-unknown-linux
 507         HostPlatform_CPP='powerpc64_unknown_linux'
 508         HostArch_CPP='powerpc64'
 509         HostVendor_CPP='unknown'
 510         HostOS_CPP='linux'
 511         ;;
 512
 513 s390-ibm-linux*)
 514        HostPlatform=s390-ibm-linux
 515        TargetPlatform=s390-ibm-linux #hack
 516        BuildPlatform=s390-ibm-linux #hack
 517         HostPlatform_CPP='s390_ibm_linux'
 518         HostArch_CPP='s390'
 519         HostVendor_CPP='ibm'
 520         HostOS_CPP='linux'
 521         ;;
 522 sparc-sun-sunos4*)
 523         HostPlatform=sparc-sun-sunos4
 524         TargetPlatform=sparc-sun-sunos4 #hack
 525         BuildPlatform=sparc-sun-sunos4 #hack
 526         HostPlatform_CPP='sparc_sun_sunos4'
 527         HostArch_CPP='sparc'
 528         HostVendor_CPP='sun'
 529         HostOS_CPP='sunos4'
 530         ;;
 531 sparc-sun-solaris2*)
 532         HostPlatform=sparc-sun-solaris2
 533         TargetPlatform=sparc-sun-solaris2 #hack
 534         BuildPlatform=sparc-sun-solaris2 #hack
 535         HostPlatform_CPP='sparc_sun_solaris2'
 536         HostArch_CPP='sparc'
 537         HostVendor_CPP='sun'
 538         HostOS_CPP='solaris2'
 539         ;;
 540 sparc*-linux*)
 541         HostPlatform=sparc-unknown-linux
 542         TargetPlatform=sparc-unknown-linux
 543         BuildPlatform=sparc-unknown-linux
 544         HostPlatform_CPP='sparc_unknown_linux'
 545         HostArch_CPP='sparc'
 546         HostVendor_CPP='unknown'
 547         HostOS_CPP='linux'
 548         ;;
 549 sparc-*-openbsd*)
 550         HostPlatform=sparc-unknown-openbsd
 551         TargetPlatform=sparc-unknown-openbsd
 552         BuildPlatform=sparc-unknown-openbsd
 553         HostPlatform_CPP='sparc_unknown_openbsd'
 554         HostArch_CPP='sparc'
 555         HostVendor_CPP='unknown'
 556         HostOS_CPP='openbsd'
 557         ;;
 558 sparc64-*-openbsd*)
 559         HostPlatform=sparc64-unknown-openbsd
 560         TargetPlatform=sparc64-unknown-openbsd
 561         BuildPlatform=sparc64-unknown-openbsd
 562         HostPlatform_CPP='sparc64_unknown_openbsd'
 563         HostArch_CPP='sparc64'
 564         HostVendor_CPP='unknown'
 565         HostOS_CPP='openbsd'
 566         ;;
 567 vax-*-openbsd*)
 568         HostPlatform=vax-unknown-openbsd
 569         TargetPlatform=vax-unknown-openbsd
 570         BuildPlatform=vax-unknown-openbsd
 571         HostPlatform_CPP='vax_unknown_openbsd'
 572         HostArch_CPP='vax'
 573         HostVendor_CPP='unknown'
 574         HostOS_CPP='openbsd'
 575         ;;
 576 *)
 577         echo "Unrecognised platform: $HostPlatform"
 578         exit 1
 579         ;;
 580 esac
 581 echo "Canonicalised to: $HostPlatform"
 582 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 583 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 584
 585 BuildPlatform_CPP=$HostPlatform_CPP
 586 TargetPlatform_CPP=$HostPlatform_CPP
 587 BuildArch_CPP=$HostArch_CPP
 588 TargetArch_CPP=$HostArch_CPP
 589 BuildOS_CPP=$HostOS_CPP
 590 HostOS_Full=$host_os
 591 TargetOS_CPP=$HostOS_CPP
 592 BuildVendor_CPP=$HostVendor_CPP
 593 TargetVendor_CPP=$HostVendor_CPP
 594
 595 AC_SUBST(BuildPlatform)
 596 AC_SUBST(HostPlatform)
 597 AC_SUBST(TargetPlatform)
 598 AC_SUBST(HostPlatform_CPP)
 599 AC_SUBST(BuildPlatform_CPP)
 600 AC_SUBST(TargetPlatform_CPP)
 601
 602 AC_SUBST(HostArch_CPP)
 603 AC_SUBST(BuildArch_CPP)
 604 AC_SUBST(TargetArch_CPP)
 605
 606 AC_SUBST(HostOS_CPP)
 607 AC_SUBST(HostOS_Full)
 608 AC_SUBST(BuildOS_CPP)
 609 AC_SUBST(TargetOS_CPP)
 610
 611 AC_SUBST(HostVendor_CPP)
 612 AC_SUBST(BuildVendor_CPP)
 613 AC_SUBST(TargetVendor_CPP)
 614
 615 AC_SUBST(exeext)
 616
 617 dnl --------------------------------------------------------------
 618 dnl * Calculate absolute path to build tree
 619 dnl --------------------------------------------------------------
 620
 621 AC_MSG_CHECKING(for path to top of build tree)
 622
 623 hardtop=`pwd`
 624
 625 dnl Remove common automounter nonsense
 626 dnl
 627 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 628
 629 dnl Find 'hardtop_plat', the native format for 'hardtop'
 630 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes
 631 dnl being escaped).
 632 dnl
 633 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert
 634 dnl              /cygdrive/c/foo to c:/foo but we must not do that if we
 635 dnl              aren't building using Cygwin (notably msys), because
 636 dnl              cygpath doesn't exist.  It seems that 'bash' sets
 637 dnl              OSTYPE to 'cygwin' or 'msys' respectively, but cygwin's
 638 dnl              'sh' does not.  So we hackily assume that if the shell
 639 dnl              hasn't set it to 'msys' then we must be in Cygwin.
 640 dnl              Sigh.
 641 dnl
 642 dnl              The Right Thing is probably to test $BuildPlatform
 643 dnl              instead, but we are sloppy about setting that correctly
 644 dnl              at the moment, so we just work around for now.
 645 dnl
 646 dnl              The quotes round "$(OSTYPE)" are essential, for the
 647 dnl              Cygwin-sh case where OSTYPE is not set.
 648 case $HostPlatform in
 649   i386-unknown-mingw32 | i386-unknown-cygwin32)
 650         if test "${OSTYPE}" != "msys"
 651           then
 652             # convert $hardtop to a path that mingw will understand too
 653             cyghardtop=${hardtop}
 654             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 655             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 656           else
 657 dnl OK, so we're in the MSYS case.  hardtop looks like /c/....
 658 dnl We want to make hardtop_plat into c:/...
 659 dnl Stop using [] for quotes temporarily, so we can use [] in the sed regexp
 660 changequote(, )dnl
 661                hardtop_plat=`echo ${hardtop} | sed -e 's@^/\\([a-zA-Z]\\)/@\\1:/@g'`
 662 changequote([, ])dnl
 663         fi
 664         ;;
 665   *)
 666         hardtop_plat=${hardtop}
 667         ;;
 668 esac
 669 AC_SUBST(hardtop)
 670 AC_SUBST(hardtop_plat)
 671
 672 AC_MSG_RESULT(${hardtop})
 673
 674 # We don't support building in directories with spaces.
 675 case "$hardtop" in
 676   *' '*) AC_MSG_ERROR([
 677    The build system does not support building in a directory containing
 678    space characters.  Suggestion: move the build tree somewhere else.])
 679  ;;
 680 esac
 681
 682 dnl --------------------------------------------------------------
 683 dnl * Project specific configuration options
 684 dnl --------------------------------------------------------------
 685 dnl What follows is a bunch of options that can either be configured
 686 dnl through command line options to the configure script or by
 687 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 688 dnl use either is considered a Feature.
 689
 690 dnl ** What command to use to compile compiler sources ?
 691 dnl --------------------------------------------------------------
 692
 693 AC_ARG_WITH([ghc],
 694 [AC_HELP_STRING([--with-ghc=ARG],
 695   [Use ARG as the path to GHC  [default=autodetect]])],
 696   [WithGhc="$withval"],
 697   [if test "$GHC" = ""; then
 698     AC_PATH_PROG([GHC], [ghc])
 699   fi
 700   WithGhc="$GHC"])
 701 AC_SUBST([WithGhc])
 702
 703 AC_ARG_WITH(hc,
 704 [AC_HELP_STRING([--with-hc=ARG],
 705         [Use ARG as the path to the compiler for compiling ordinary
 706          Haskell code  (default= value of --with-ghc)])],
 707 [WithHc="$withval"],
 708 [WithHc=$WithGhc]
 709 )
 710 AC_SUBST(WithHc)
 711
 712 if test "$WithGhc" != ""; then
 713   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 714   AC_SUBST(GhcVersion)dnl
 715   AC_SUBST(GhcMajVersion)dnl
 716   AC_SUBST(GhcMinVersion)dnl
 717   AC_SUBST(GhcPatchLevel)dnl
 718   ghc_ge_504=`if test $(GhcCanonVersion) -ge 504; then echo YES; else echo NO; fi`
 719   AC_SUBST(ghc_ge_504)dnl
 720   ghc_ge_601=`if test $(GhcCanonVersion) -ge 601; then echo YES; else echo NO; fi`
 721   AC_SUBST(ghc_ge_601)dnl
 722   ghc_ge_602=`if test $(GhcCanonVersion) -ge 602; then echo YES; else echo NO; fi`
 723   AC_SUBST(ghc_ge_602)dnl
 724   ghc_ge_603=`if test $(GhcCanonVersion) -ge 603; then echo YES; else echo NO; fi`
 725   AC_SUBST(ghc_ge_603)dnl
 726   ghc_ge_605=`if test $(GhcCanonVersion) -ge 605; then echo YES; else echo NO; fi`
 727   AC_SUBST(ghc_ge_605)dnl
 728 fi
 729
 730 # Check whether this GHC has readline installed
 731 FP_GHC_HAS_READLINE
 732
 733 AC_PATH_PROGS(NHC,nhc nhc98)
 734 AC_PATH_PROG(HBC,hbc)
 735
 736 dnl ** Which gcc to use?
 737 dnl --------------------------------------------------------------
 738 AC_ARG_WITH(gcc,
 739 [AC_HELP_STRING([--with-gcc=ARG],
 740         [Use ARG as the path to GCC  [default=autodetect]])],
 741 [WhatGccIsCalled="$withval"
 742  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 743     then
 744        if test "${OSTYPE}" != "msys"
 745          then
 746          # Canonicalise to <drive>:/path/to/gcc
 747          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 748        fi
 749  fi;
 750  CC="$withval"
 751  export CC
 752  ],
 753 [WhatGccIsCalled="gcc"]
 754 )
 755 AC_SUBST(WhatGccIsCalled)
 756
 757 dnl ** Booting from .hc files?
 758 dnl --------------------------------------------------------------
 759 AC_ARG_ENABLE(hc-boot,
 760 [AC_HELP_STRING([--enable-hc-boot],
 761 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 762  (This option is mostly of interest to porters.) [default=no]])],
 763 [ if test x"$enableval" = x"yes"; then
 764         BootingFromHc=YES
 765   else
 766         BootingFromHc=NO
 767   fi
 768 ],
 769 [BootingFromHc=NO]
 770 )
 771 AC_SUBST(BootingFromHc)
 772
 773 dnl ** Booting from unregisterised .hc files?
 774 dnl --------------------------------------------------------------
 775 AC_ARG_ENABLE(hc-boot-unregisterised,
 776 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 777 [ With --enable-hc-boot, treat the intermediate .hc files as
 778  unregisterised rather than registerised code.
 779  (This option is mostly of interest to porters.) [default=no]])],
 780 [ if test x"$enableval" = x"yes"; then
 781         BootingFromUnregisterisedHc=YES
 782   else
 783         BootingFromUnregisterisedHc=NO
 784   fi
 785 ],
 786 [BootingFromUnregisterisedHc=NO]
 787 )
 788 AC_SUBST(BootingFromUnregisterisedHc)
 789
 790 if test "$BootingFromHc" = "NO"; then
 791 if test "$BootingFromUnregisterisedHc" = "YES"; then
 792 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 793 fi;
 794 fi;
 795
 796 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 797 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
 798 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 799 fi;
 800
 801 dnl ** Enable the construction of Win32 DLLs?
 802 dnl --------------------------------------------------------------
 803 dnl
 804 dnl [ The ability to build the RTS and libraries as separate DLLs used
 805 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 806 dnl   and build system would be required to bring it back again.)
 807 dnl   Hence, exposing it as an option is false advertisement, so better
 808 dnl   disable it to avoid confusion (but leave it commented-out rather
 809 dnl   than removed in order to remind ourselves to bring back the
 810 dnl   feature at some stage.) ]
 811 dnl
 812 dnl AC_ARG_ENABLE(win32-dlls,
 813 dnl [  --enable-win32-dlls
 814 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 815 dnl         construction of DLLs containing ghc-compiled code.
 816 dnl ],
 817 dnl [
 818 dnl case $HostOS_CPP in
 819 dnl cygwin32) ;;
 820 dnl mingw32)  ;;
 821 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 822 dnl       exit 1
 823 dnl       ;;
 824 dnl esac
 825 dnl EnableWin32DLLs=YES
 826 dnl ],
 827 dnl [EnableWin32DLLs=NO]
 828 dnl )
 829 dnl AC_SUBST(EnableWin32DLLs)
 830 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 831 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 832 dnl fi
 833
 834 dnl ** Enable the building of the ObjectIO?
 835 dnl --------------------------------------------------------------
 836 AC_ARG_ENABLE(objectio,
 837 [AC_HELP_STRING([--enable-objectio],
 838 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 839 [ if test x"$enableval" = x"yes"; then
 840         GhcLibsWithObjectIO=YES
 841   else
 842         GhcLibsWithObjectIO=NO
 843   fi
 844 ],
 845 [GhcLibsWithObjectIO=NO]
 846 )
 847 AC_SUBST(GhcLibsWithObjectIO)
 848
 849 dnl ** .NET interop support?
 850 dnl --------------------------------------------------------------
 851 AC_ARG_ENABLE(dotnet,
 852 [AC_HELP_STRING([--enable-dotnet],
 853 [Build .NET interop layer. [default=no]])],
 854 [ if test x"$enableval" = x"yes"; then
 855         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 856   else
 857         DotnetSupport=NO
 858   fi],
 859 [DotnetSupport=NO]
 860 )
 861 AC_SUBST(DotnetSupport)
 862
 863 dnl --------------------------------------------------------------
 864 dnl End of configure script option section
 865 dnl --------------------------------------------------------------
 866
 867
 868 dnl --------------------------------------------------------------
 869 dnl * General configuration checks
 870 dnl --------------------------------------------------------------
 871
 872 dnl ** Can the unix package be built?
 873 dnl --------------------------------------------------------------
 874
 875 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 876    GhcLibsWithUnix=NO
 877 else
 878    GhcLibsWithUnix=YES
 879 fi
 880 AC_SUBST([GhcLibsWithUnix])
 881
 882 dnl ** does #! work?
 883 AC_SYS_INTERPRETER()
 884
 885 dnl ** look for `perl', but only in /bin on Windows
 886 case $HostOS_CPP in
 887 cygwin32|mingw32)
 888       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 889       if test -z "$PerlCmd"; then
 890          echo "You must install the version of Perl shipped with GHC"
 891          echo "(or a compatible one) in /bin."
 892          exit 1
 893       fi
 894    ;;
 895 *)
 896    AC_PATH_PROG(PerlCmd,perl)
 897    if test -z "$PerlCmd"; then
 898       echo "You must install perl before you can continue"
 899       echo "Perhaps it is already installed, but not in your PATH?"
 900       exit 1
 901    else
 902    FPTOOLS_CHECK_PERL_VERSION
 903    fi
 904    ;;
 905 esac
 906
 907 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 908 FPTOOLS_SHEBANG_PERL
 909
 910 dnl ** check for Python
 911 AC_PATH_PROG(PythonCmd,python)
 912
 913 dnl ** look for GCC and find out which version
 914 dnl     Figure out which C compiler to use.  Gcc is preferred.
 915 dnl     If gcc, make sure it's at least 2.1
 916 dnl
 917 FP_HAVE_GCC
 918 FP_MINGW_GCC
 919 FP_GCC_NEEDS_NO_OMIT_LFPTR
 920 FP_GCC_HAS_NO_UNIT_AT_A_TIME
 921 FP_GCC_HAS_WRAPV
 922
 923 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 924 AC_PROG_CPP
 925
 926 dnl ** Without optimization some INLINE trickery fails for GHCi
 927 SRC_CC_OPTS="-O"
 928
 929 dnl ** Try to add -mno-cygwin to the C compiler options
 930 FP_CHECK_FLAG([-mno-cygwin], [
 931 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 932 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 933 AC_SUBST(SRC_CC_OPTS)
 934
 935 dnl ** figure out how to do context diffs
 936 FP_PROG_CONTEXT_DIFF
 937
 938 dnl ** Find find command (for Win32's benefit)
 939 FP_PROG_FIND
 940
 941 dnl ** Find sort command (for the benefit of Win32 environs)
 942 FP_PROG_SORT
 943
 944 dnl ** figure out how to do a BSD-ish install
 945 AC_PROG_INSTALL
 946 dnl Let's make sure install-sh is executable here.  If we got it from
 947 dnl a darcs repo, it might not be (see bug #978).
 948 chmod +x install-sh
 949
 950 dnl If you can run configure, you certainly have /bin/sh
 951 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 952
 953 dnl ** how to invoke `ar' and `ranlib'
 954 FP_PROG_AR_NEEDS_RANLIB
 955 FP_PROG_AR_SUPPORTS_INPUT
 956
 957 dnl ** Check to see whether ln -s works
 958 AC_PROG_LN_S
 959
 960
 961 dnl ** Find the path to sed
 962 AC_PATH_PROG(SedCmd,sed)
 963
 964
 965 dnl ** check for time command
 966 AC_PATH_PROG(TimeCmd,time)
 967
 968 dnl ** check for tar
 969 dnl   if GNU tar is named gtar, look for it first.
 970 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 971
 972 dnl ** check for DocBook toolchain
 973 FP_CHECK_DOCBOOK_DTD
 974 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 975 FP_PROG_FO_PROCESSOR
 976
 977 dnl ** check for ghc-pkg command
 978 FP_PROG_GHC_PKG
 979
 980 AC_ARG_WITH(greencard,
 981 [AC_HELP_STRING([--with-greencard=ARG],
 982         [Use ARG as the path to greencard  [default=autodetct]])],
 983 [
 984 GreenCardCmd=$withval;
 985 FPTOOLS_GREENCARD(3.00)
 986 ]
 987 )
 988
 989 dnl ** check for installed happy binary + version
 990 dnl    (don't do it if we're booting from .hc files though.)
 991 if test "$BootingFromHc" = "NO"; then
 992 FPTOOLS_HAPPY
 993 fi;
 994
 995 dnl ** check for installed haddock
 996 FPTOOLS_HADDOCK
 997
 998 dnl ** check for installed alex binary + version
 999 dnl    (don't do it if we're booting from .hc files though.)
1000 if test "$BootingFromHc" = "NO"; then
1001 FPTOOLS_ALEX
1002 fi;
1003
1004 dnl --------------------------------------------------
1005 dnl ### program checking section ends here ###
1006 dnl --------------------------------------------------
1007
1008 dnl --------------------------------------------------
1009 dnl * Platform header file and syscall feature tests
1010 dnl ### checking the state of the local header files and syscalls ###
1011
1012 dnl ** check for full ANSI header (.h) files
1013 AC_HEADER_STDC
1014
1015 dnl ** Enable large file support.  NB. do this before testing the type of
1016 dnl    off_t, because it will affect the result of that test.
1017 AC_SYS_LARGEFILE
1018
1019 dnl ** check for specific header (.h) files that we are interested in
1020 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])
1021
1022 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
1023 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
1024
1025 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
1026   GhcLibsWithReadline=YES
1027   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
1028 else
1029   GhcLibsWithReadline=NO
1030   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
1031 fi
1032 AC_SUBST(GhcLibsWithReadline)
1033
1034 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1035 AC_HEADER_TIME
1036
1037 dnl ** do we have long longs?
1038 AC_CHECK_TYPES([long long])
1039
1040 dnl ** what are the sizes of various types
1041 AC_CHECK_SIZEOF(char,               1)
1042 AC_CHECK_SIZEOF(double,             8)
1043 AC_CHECK_SIZEOF(float,              4)
1044 AC_CHECK_SIZEOF(int,                4)
1045 AC_CHECK_SIZEOF(long,               4)
1046 if test "$ac_cv_type_long_long" = yes; then
1047 AC_CHECK_SIZEOF(long long,          8)
1048 fi
1049 AC_CHECK_SIZEOF(short,              2)
1050 AC_CHECK_SIZEOF(unsigned char,      1)
1051 AC_CHECK_SIZEOF(unsigned int,       4)
1052 AC_CHECK_SIZEOF(unsigned long,      4)
1053 if test "$ac_cv_type_long_long" = yes; then
1054 AC_CHECK_SIZEOF(unsigned long long, 8)
1055 fi
1056 AC_CHECK_SIZEOF(unsigned short,     2)
1057 AC_CHECK_SIZEOF(void *,             4)
1058
1059 dnl ** what are alignment constraints on various types
1060 FP_CHECK_ALIGNMENT(char)
1061 FP_CHECK_ALIGNMENT(double)
1062 FP_CHECK_ALIGNMENT(float)
1063 FP_CHECK_ALIGNMENT(int)
1064 FP_CHECK_ALIGNMENT(long)
1065 if test "$ac_cv_type_long_long" = yes; then
1066 FP_CHECK_ALIGNMENT(long long)
1067 fi
1068 FP_CHECK_ALIGNMENT(short)
1069 FP_CHECK_ALIGNMENT(unsigned char)
1070 FP_CHECK_ALIGNMENT(unsigned int)
1071 FP_CHECK_ALIGNMENT(unsigned long)
1072 if test "$ac_cv_type_long_long" = yes; then
1073 FP_CHECK_ALIGNMENT(unsigned long long)
1074 fi
1075 FP_CHECK_ALIGNMENT(unsigned short)
1076 FP_CHECK_ALIGNMENT(void *)
1077
1078 FP_CHECK_FUNC([WinExec],
1079   [@%:@include <windows.h>], [WinExec("",0)])
1080
1081 FP_CHECK_FUNC([GetModuleFileName],
1082   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1083
1084 dnl ** check return type of signal handlers
1085 dnl Foo: assumes we can use prototypes.
1086 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1087 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1088 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1089 dnl #include <signal.h>
1090 dnl #ifdef signal
1091 dnl #undef signal
1092 dnl #endif
1093 dnl void (*signal (int, void (*)(int)))(int);
1094 dnl ]],
1095 dnl [[int i;]])],
1096 dnl [ac_cv_type_signal_handler=void_int],
1097 dnl [ac_cv_type_signal_handler=int_void])])
1098 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1099 dnl AC_DEFINE(VOID_INT_SIGNALS)
1100 dnl fi
1101
1102 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1103 AC_TYPE_SIGNAL
1104 if test "$ac_cv_type_signal" = void; then
1105   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).])
1106 fi
1107
1108 dnl ** check for more functions
1109 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1110 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1111 dnl ** For ghc/rts/gmp:
1112 AC_CHECK_FUNCS([getpagesize])
1113
1114 dnl ** check whether this machine has gmp3 installed
1115 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1116   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1117     HaveLibGmp=NO; LibGmp=not-installed))
1118 AC_SUBST(HaveLibGmp)
1119 AC_SUBST(LibGmp)
1120
1121 dnl ** (Mac OS X only: check for GMP.framework)
1122 HaveFrameworkGMP=NO
1123 case $HostPlatform in
1124 *-apple-darwin)
1125     AC_MSG_CHECKING([for GMP.framework])
1126     save_libs="$LIBS"
1127     LIBS="-framework GMP"
1128     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1129     if test $HaveFrameworkGMP = YES; then
1130       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1131     fi;
1132     LIBS="$save_libs"
1133     AC_MSG_RESULT([$HaveFrameworkGMP])
1134     ;;
1135 esac
1136 AC_SUBST(HaveFrameworkGMP)
1137
1138 dnl ** check for mingwex library
1139 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1140 AC_SUBST(HaveLibMingwEx)
1141
1142 if test $HaveLibMingwEx = YES ; then
1143   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1144 fi
1145
1146 if test "$HaveLibGmp" = "NO"; then
1147 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1148 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1149 fi;
1150 fi;
1151
1152 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1153 dnl    the order of these tests matters: bfd needs liberty
1154 AC_CHECK_LIB(iberty, xmalloc)
1155 AC_CHECK_LIB(bfd,    bfd_init)
1156
1157 dnl ** check for math library
1158 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1159 if test x"$fp_libm_not_needed" = xdunno; then
1160    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1161 fi
1162 AC_SUBST([LIBM])
1163
1164 dnl ################################################################
1165 dnl Check for libraries
1166 dnl ################################################################
1167
1168 dnl ** check whether we need -ldl to get dlopen()
1169
1170 AC_CHECK_LIB(dl, dlopen,
1171     [HaveLibDL=YES
1172      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1173      LIBS="$LIBS -ldl"],
1174     [HaveLibDL=NO])
1175 AC_SUBST(HaveLibDL)
1176
1177 dnl --------------------------------------------------
1178 dnl * Miscellaneous feature tests
1179 dnl --------------------------------------------------
1180
1181 dnl ** can we get alloca?
1182 AC_FUNC_ALLOCA
1183
1184 dnl ** Working vfork?
1185 AC_FUNC_FORK
1186
1187 dnl ** determine whether or not const works
1188 AC_C_CONST
1189
1190 dnl ** are we big endian?
1191 AC_C_BIGENDIAN
1192 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1193
1194 dnl ** check for leading underscores in symbol names
1195 FP_LEADING_UNDERSCORE
1196
1197 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1198 FP_PROG_LD_X
1199 FP_PROG_LD_IS_GNU
1200
1201 dnl ** check for Apple-style dead-stripping support
1202 dnl    (.subsections-via-symbols assembler directive)
1203
1204
1205 AC_MSG_CHECKING(for .subsections_via_symbols)
1206 AC_COMPILE_IFELSE(
1207     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1208     [AC_MSG_RESULT(yes)
1209      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1210                [Define to 1 if Apple-style dead-stripping is supported.])
1211     ],
1212     [AC_MSG_RESULT(no)])
1213
1214 dnl *** check for GNU non-executable stack note support (ELF only)
1215 dnl     (.section .note.GNU-stack,"",@progbits)
1216
1217 AC_MSG_CHECKING(for GNU non-executable stack support)
1218 AC_COMPILE_IFELSE(
1219     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1220     [AC_MSG_RESULT(yes)
1221      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1222                [Define to 1 if GNU non-executable stack notes are supported.])
1223     ],
1224     [AC_MSG_RESULT(no)])
1225
1226 dnl ** check for librt
1227 AC_CHECK_LIB(rt, clock_gettime)
1228 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1229 FP_CHECK_TIMER_CREATE
1230
1231 dnl ** check for Apple's "interesting" long double compatibility scheme
1232 AC_MSG_CHECKING(for printf\$LDBLStub)
1233 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1234     [
1235         AC_MSG_RESULT(yes)
1236         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1237             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1238     ],
1239     [
1240         AC_MSG_RESULT(no)
1241         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1242             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1243     ])
1244
1245 # test for GTK+
1246 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1247 if test -n "$GTK_CONFIG"; then
1248   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1249     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1250   else
1251     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1252     GTK_CONFIG=
1253   fi
1254 fi
1255 AC_SUBST([GTK_CONFIG])
1256
1257 #Checking for PAPI
1258 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1259 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1260 AC_SUBST(HavePapiLib)
1261 AC_SUBST(HavePapiHeader)
1262
1263 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1264    HavePapi=YES
1265 else
1266    HavePapi=NO
1267 fi
1268 AC_SUBST(HavePapi)
1269
1270 AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
1271 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1272 AC_OUTPUT