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   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
 719   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
 720   if test $GhcCanonVersion -ge 504; then ghc_ge_504=YES; else ghc_ge_504=NO; fi
 721   if test $GhcCanonVersion -ge 601; then ghc_ge_601=YES; else ghc_ge_601=NO; fi
 722   if test $GhcCanonVersion -ge 602; then ghc_ge_602=YES; else ghc_ge_602=NO; fi
 723   if test $GhcCanonVersion -ge 603; then ghc_ge_603=YES; else ghc_ge_603=NO; fi
 724   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
 725   AC_SUBST(ghc_ge_504)dnl
 726   AC_SUBST(ghc_ge_601)dnl
 727   AC_SUBST(ghc_ge_602)dnl
 728   AC_SUBST(ghc_ge_603)dnl
 729   AC_SUBST(ghc_ge_605)dnl
 730 fi
 731
 732 # Check whether this GHC has readline installed
 733 FP_GHC_HAS_READLINE
 734
 735 AC_PATH_PROGS(NHC,nhc nhc98)
 736 AC_PATH_PROG(HBC,hbc)
 737
 738 dnl ** Which gcc to use?
 739 dnl --------------------------------------------------------------
 740 AC_ARG_WITH(gcc,
 741 [AC_HELP_STRING([--with-gcc=ARG],
 742         [Use ARG as the path to GCC  [default=autodetect]])],
 743 [WhatGccIsCalled="$withval"
 744  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 745     then
 746        if test "${OSTYPE}" != "msys"
 747          then
 748          # Canonicalise to <drive>:/path/to/gcc
 749          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 750        fi
 751  fi;
 752  CC="$withval"
 753  export CC
 754  ],
 755 [WhatGccIsCalled="gcc"]
 756 )
 757 AC_SUBST(WhatGccIsCalled)
 758
 759 dnl ** Booting from .hc files?
 760 dnl --------------------------------------------------------------
 761 AC_ARG_ENABLE(hc-boot,
 762 [AC_HELP_STRING([--enable-hc-boot],
 763 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 764  (This option is mostly of interest to porters.) [default=no]])],
 765 [ if test x"$enableval" = x"yes"; then
 766         BootingFromHc=YES
 767   else
 768         BootingFromHc=NO
 769   fi
 770 ],
 771 [BootingFromHc=NO]
 772 )
 773 AC_SUBST(BootingFromHc)
 774
 775 dnl ** Booting from unregisterised .hc files?
 776 dnl --------------------------------------------------------------
 777 AC_ARG_ENABLE(hc-boot-unregisterised,
 778 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 779 [ With --enable-hc-boot, treat the intermediate .hc files as
 780  unregisterised rather than registerised code.
 781  (This option is mostly of interest to porters.) [default=no]])],
 782 [ if test x"$enableval" = x"yes"; then
 783         BootingFromUnregisterisedHc=YES
 784   else
 785         BootingFromUnregisterisedHc=NO
 786   fi
 787 ],
 788 [BootingFromUnregisterisedHc=NO]
 789 )
 790 AC_SUBST(BootingFromUnregisterisedHc)
 791
 792 if test "$BootingFromHc" = "NO"; then
 793 if test "$BootingFromUnregisterisedHc" = "YES"; then
 794 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 795 fi;
 796 fi;
 797
 798 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 799 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/compiler"; then
 800 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 801 fi;
 802
 803 dnl ** Enable the construction of Win32 DLLs?
 804 dnl --------------------------------------------------------------
 805 dnl
 806 dnl [ The ability to build the RTS and libraries as separate DLLs used
 807 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 808 dnl   and build system would be required to bring it back again.)
 809 dnl   Hence, exposing it as an option is false advertisement, so better
 810 dnl   disable it to avoid confusion (but leave it commented-out rather
 811 dnl   than removed in order to remind ourselves to bring back the
 812 dnl   feature at some stage.) ]
 813 dnl
 814 dnl AC_ARG_ENABLE(win32-dlls,
 815 dnl [  --enable-win32-dlls
 816 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 817 dnl         construction of DLLs containing ghc-compiled code.
 818 dnl ],
 819 dnl [
 820 dnl case $HostOS_CPP in
 821 dnl cygwin32) ;;
 822 dnl mingw32)  ;;
 823 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 824 dnl       exit 1
 825 dnl       ;;
 826 dnl esac
 827 dnl EnableWin32DLLs=YES
 828 dnl ],
 829 dnl [EnableWin32DLLs=NO]
 830 dnl )
 831 dnl AC_SUBST(EnableWin32DLLs)
 832 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 833 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 834 dnl fi
 835
 836 dnl ** Enable the building of the ObjectIO?
 837 dnl --------------------------------------------------------------
 838 AC_ARG_ENABLE(objectio,
 839 [AC_HELP_STRING([--enable-objectio],
 840 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 841 [ if test x"$enableval" = x"yes"; then
 842         GhcLibsWithObjectIO=YES
 843   else
 844         GhcLibsWithObjectIO=NO
 845   fi
 846 ],
 847 [GhcLibsWithObjectIO=NO]
 848 )
 849 AC_SUBST(GhcLibsWithObjectIO)
 850
 851 dnl ** .NET interop support?
 852 dnl --------------------------------------------------------------
 853 AC_ARG_ENABLE(dotnet,
 854 [AC_HELP_STRING([--enable-dotnet],
 855 [Build .NET interop layer. [default=no]])],
 856 [ if test x"$enableval" = x"yes"; then
 857         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 858   else
 859         DotnetSupport=NO
 860   fi],
 861 [DotnetSupport=NO]
 862 )
 863 AC_SUBST(DotnetSupport)
 864
 865 dnl --------------------------------------------------------------
 866 dnl End of configure script option section
 867 dnl --------------------------------------------------------------
 868
 869
 870 dnl --------------------------------------------------------------
 871 dnl * General configuration checks
 872 dnl --------------------------------------------------------------
 873
 874 dnl ** Can the unix package be built?
 875 dnl --------------------------------------------------------------
 876
 877 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 878    GhcLibsWithUnix=NO
 879 else
 880    GhcLibsWithUnix=YES
 881 fi
 882 AC_SUBST([GhcLibsWithUnix])
 883
 884 dnl ** does #! work?
 885 AC_SYS_INTERPRETER()
 886
 887 dnl ** look for `perl', but only in /bin on Windows
 888 case $HostOS_CPP in
 889 cygwin32|mingw32)
 890       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 891       if test -z "$PerlCmd"; then
 892          echo "You must install the version of Perl shipped with GHC"
 893          echo "(or a compatible one) in /bin."
 894          exit 1
 895       fi
 896    ;;
 897 *)
 898    AC_PATH_PROG(PerlCmd,perl)
 899    if test -z "$PerlCmd"; then
 900       echo "You must install perl before you can continue"
 901       echo "Perhaps it is already installed, but not in your PATH?"
 902       exit 1
 903    else
 904    FPTOOLS_CHECK_PERL_VERSION
 905    fi
 906    ;;
 907 esac
 908
 909 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 910 FPTOOLS_SHEBANG_PERL
 911
 912 dnl ** check for Python
 913 AC_PATH_PROG(PythonCmd,python)
 914
 915 dnl ** look for GCC and find out which version
 916 dnl     Figure out which C compiler to use.  Gcc is preferred.
 917 dnl     If gcc, make sure it's at least 2.1
 918 dnl
 919 FP_HAVE_GCC
 920 FP_MINGW_GCC
 921 FP_GCC_NEEDS_NO_OMIT_LFPTR
 922 FP_GCC_HAS_NO_UNIT_AT_A_TIME
 923 FP_GCC_HAS_WRAPV
 924
 925 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 926 AC_PROG_CPP
 927
 928 dnl ** Without optimization some INLINE trickery fails for GHCi
 929 SRC_CC_OPTS="-O"
 930
 931 dnl ** Try to add -mno-cygwin to the C compiler options
 932 FP_CHECK_FLAG([-mno-cygwin], [
 933 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 934 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 935 AC_SUBST(SRC_CC_OPTS)
 936
 937 dnl ** figure out how to do context diffs
 938 FP_PROG_CONTEXT_DIFF
 939
 940 dnl ** Find find command (for Win32's benefit)
 941 FP_PROG_FIND
 942
 943 dnl ** Find sort command (for the benefit of Win32 environs)
 944 FP_PROG_SORT
 945
 946 dnl ** figure out how to do a BSD-ish install
 947 AC_PROG_INSTALL
 948 dnl Let's make sure install-sh is executable here.  If we got it from
 949 dnl a darcs repo, it might not be (see bug #978).
 950 chmod +x install-sh
 951
 952 dnl If you can run configure, you certainly have /bin/sh
 953 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 954
 955 dnl ** how to invoke `ar' and `ranlib'
 956 FP_PROG_AR_NEEDS_RANLIB
 957 FP_PROG_AR_SUPPORTS_INPUT
 958
 959 dnl ** Check to see whether ln -s works
 960 AC_PROG_LN_S
 961
 962
 963 dnl ** Find the path to sed
 964 AC_PATH_PROG(SedCmd,sed)
 965
 966
 967 dnl ** check for time command
 968 AC_PATH_PROG(TimeCmd,time)
 969
 970 dnl ** check for tar
 971 dnl   if GNU tar is named gtar, look for it first.
 972 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 973
 974 dnl ** check for DocBook toolchain
 975 FP_CHECK_DOCBOOK_DTD
 976 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 977 FP_PROG_FO_PROCESSOR
 978
 979 dnl ** check for ghc-pkg command
 980 FP_PROG_GHC_PKG
 981
 982 AC_ARG_WITH(greencard,
 983 [AC_HELP_STRING([--with-greencard=ARG],
 984         [Use ARG as the path to greencard  [default=autodetct]])],
 985 [
 986 GreenCardCmd=$withval;
 987 FPTOOLS_GREENCARD(3.00)
 988 ]
 989 )
 990
 991 dnl ** check for installed happy binary + version
 992 dnl    (don't do it if we're booting from .hc files though.)
 993 if test "$BootingFromHc" = "NO"; then
 994 FPTOOLS_HAPPY
 995 fi;
 996
 997 dnl ** check for installed haddock
 998 FPTOOLS_HADDOCK
 999
1000 dnl ** check for installed alex binary + version
1001 dnl    (don't do it if we're booting from .hc files though.)
1002 if test "$BootingFromHc" = "NO"; then
1003 FPTOOLS_ALEX
1004 fi;
1005
1006 dnl --------------------------------------------------
1007 dnl ### program checking section ends here ###
1008 dnl --------------------------------------------------
1009
1010 dnl --------------------------------------------------
1011 dnl * Platform header file and syscall feature tests
1012 dnl ### checking the state of the local header files and syscalls ###
1013
1014 dnl ** check for full ANSI header (.h) files
1015 AC_HEADER_STDC
1016
1017 dnl ** Enable large file support.  NB. do this before testing the type of
1018 dnl    off_t, because it will affect the result of that test.
1019 AC_SYS_LARGEFILE
1020
1021 dnl ** check for specific header (.h) files that we are interested in
1022 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])
1023
1024 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
1025 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
1026
1027 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
1028   GhcLibsWithReadline=YES
1029   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
1030 else
1031   GhcLibsWithReadline=NO
1032   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
1033 fi
1034 AC_SUBST(GhcLibsWithReadline)
1035
1036 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1037 AC_HEADER_TIME
1038
1039 dnl ** do we have long longs?
1040 AC_CHECK_TYPES([long long])
1041
1042 dnl ** what are the sizes of various types
1043 AC_CHECK_SIZEOF(char,               1)
1044 AC_CHECK_SIZEOF(double,             8)
1045 AC_CHECK_SIZEOF(float,              4)
1046 AC_CHECK_SIZEOF(int,                4)
1047 AC_CHECK_SIZEOF(long,               4)
1048 if test "$ac_cv_type_long_long" = yes; then
1049 AC_CHECK_SIZEOF(long long,          8)
1050 fi
1051 AC_CHECK_SIZEOF(short,              2)
1052 AC_CHECK_SIZEOF(unsigned char,      1)
1053 AC_CHECK_SIZEOF(unsigned int,       4)
1054 AC_CHECK_SIZEOF(unsigned long,      4)
1055 if test "$ac_cv_type_long_long" = yes; then
1056 AC_CHECK_SIZEOF(unsigned long long, 8)
1057 fi
1058 AC_CHECK_SIZEOF(unsigned short,     2)
1059 AC_CHECK_SIZEOF(void *,             4)
1060
1061 dnl ** what are alignment constraints on various types
1062 FP_CHECK_ALIGNMENT(char)
1063 FP_CHECK_ALIGNMENT(double)
1064 FP_CHECK_ALIGNMENT(float)
1065 FP_CHECK_ALIGNMENT(int)
1066 FP_CHECK_ALIGNMENT(long)
1067 if test "$ac_cv_type_long_long" = yes; then
1068 FP_CHECK_ALIGNMENT(long long)
1069 fi
1070 FP_CHECK_ALIGNMENT(short)
1071 FP_CHECK_ALIGNMENT(unsigned char)
1072 FP_CHECK_ALIGNMENT(unsigned int)
1073 FP_CHECK_ALIGNMENT(unsigned long)
1074 if test "$ac_cv_type_long_long" = yes; then
1075 FP_CHECK_ALIGNMENT(unsigned long long)
1076 fi
1077 FP_CHECK_ALIGNMENT(unsigned short)
1078 FP_CHECK_ALIGNMENT(void *)
1079
1080 FP_CHECK_FUNC([WinExec],
1081   [@%:@include <windows.h>], [WinExec("",0)])
1082
1083 FP_CHECK_FUNC([GetModuleFileName],
1084   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1085
1086 dnl ** check return type of signal handlers
1087 dnl Foo: assumes we can use prototypes.
1088 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1089 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1090 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1091 dnl #include <signal.h>
1092 dnl #ifdef signal
1093 dnl #undef signal
1094 dnl #endif
1095 dnl void (*signal (int, void (*)(int)))(int);
1096 dnl ]],
1097 dnl [[int i;]])],
1098 dnl [ac_cv_type_signal_handler=void_int],
1099 dnl [ac_cv_type_signal_handler=int_void])])
1100 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1101 dnl AC_DEFINE(VOID_INT_SIGNALS)
1102 dnl fi
1103
1104 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1105 AC_TYPE_SIGNAL
1106 if test "$ac_cv_type_signal" = void; then
1107   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).])
1108 fi
1109
1110 dnl ** check for more functions
1111 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1112 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1113 dnl ** For ghc/rts/gmp:
1114 AC_CHECK_FUNCS([getpagesize])
1115
1116 dnl ** check whether this machine has gmp3 installed
1117 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1118   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1119     HaveLibGmp=NO; LibGmp=not-installed))
1120 AC_SUBST(HaveLibGmp)
1121 AC_SUBST(LibGmp)
1122
1123 dnl ** (Mac OS X only: check for GMP.framework)
1124 HaveFrameworkGMP=NO
1125 case $HostPlatform in
1126 *-apple-darwin)
1127     AC_MSG_CHECKING([for GMP.framework])
1128     save_libs="$LIBS"
1129     LIBS="-framework GMP"
1130     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1131     if test $HaveFrameworkGMP = YES; then
1132       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1133     fi;
1134     LIBS="$save_libs"
1135     AC_MSG_RESULT([$HaveFrameworkGMP])
1136     ;;
1137 esac
1138 AC_SUBST(HaveFrameworkGMP)
1139
1140 dnl ** check for mingwex library
1141 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1142 AC_SUBST(HaveLibMingwEx)
1143
1144 if test $HaveLibMingwEx = YES ; then
1145   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1146 fi
1147
1148 if test "$HaveLibGmp" = "NO"; then
1149 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1150 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1151 fi;
1152 fi;
1153
1154 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1155 dnl    the order of these tests matters: bfd needs liberty
1156 AC_CHECK_LIB(iberty, xmalloc)
1157 AC_CHECK_LIB(bfd,    bfd_init)
1158
1159 dnl ** check for math library
1160 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1161 if test x"$fp_libm_not_needed" = xdunno; then
1162    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1163 fi
1164 AC_SUBST([LIBM])
1165
1166 dnl ################################################################
1167 dnl Check for libraries
1168 dnl ################################################################
1169
1170 dnl ** check whether we need -ldl to get dlopen()
1171
1172 AC_CHECK_LIB(dl, dlopen,
1173     [HaveLibDL=YES
1174      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1175      LIBS="$LIBS -ldl"],
1176     [HaveLibDL=NO])
1177 AC_SUBST(HaveLibDL)
1178
1179 dnl --------------------------------------------------
1180 dnl * Miscellaneous feature tests
1181 dnl --------------------------------------------------
1182
1183 dnl ** can we get alloca?
1184 AC_FUNC_ALLOCA
1185
1186 dnl ** Working vfork?
1187 AC_FUNC_FORK
1188
1189 dnl ** determine whether or not const works
1190 AC_C_CONST
1191
1192 dnl ** are we big endian?
1193 AC_C_BIGENDIAN
1194 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1195
1196 dnl ** check for leading underscores in symbol names
1197 FP_LEADING_UNDERSCORE
1198
1199 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1200 FP_PROG_LD_X
1201 FP_PROG_LD_IS_GNU
1202
1203 dnl ** check for Apple-style dead-stripping support
1204 dnl    (.subsections-via-symbols assembler directive)
1205
1206
1207 AC_MSG_CHECKING(for .subsections_via_symbols)
1208 AC_COMPILE_IFELSE(
1209     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1210     [AC_MSG_RESULT(yes)
1211      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1212                [Define to 1 if Apple-style dead-stripping is supported.])
1213     ],
1214     [AC_MSG_RESULT(no)])
1215
1216 dnl *** check for GNU non-executable stack note support (ELF only)
1217 dnl     (.section .note.GNU-stack,"",@progbits)
1218
1219 AC_MSG_CHECKING(for GNU non-executable stack support)
1220 AC_COMPILE_IFELSE(
1221     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1222     [AC_MSG_RESULT(yes)
1223      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1224                [Define to 1 if GNU non-executable stack notes are supported.])
1225     ],
1226     [AC_MSG_RESULT(no)])
1227
1228 dnl ** check for librt
1229 AC_CHECK_LIB(rt, clock_gettime)
1230 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1231 FP_CHECK_TIMER_CREATE
1232
1233 dnl ** check for Apple's "interesting" long double compatibility scheme
1234 AC_MSG_CHECKING(for printf\$LDBLStub)
1235 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1236     [
1237         AC_MSG_RESULT(yes)
1238         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1239             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1240     ],
1241     [
1242         AC_MSG_RESULT(no)
1243         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1244             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1245     ])
1246
1247 # test for GTK+
1248 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1249 if test -n "$GTK_CONFIG"; then
1250   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1251     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1252   else
1253     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1254     GTK_CONFIG=
1255   fi
1256 fi
1257 AC_SUBST([GTK_CONFIG])
1258
1259 #Checking for PAPI
1260 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1261 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1262 AC_SUBST(HavePapiLib)
1263 AC_SUBST(HavePapiHeader)
1264
1265 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1266    HavePapi=YES
1267 else
1268    HavePapi=NO
1269 fi
1270 AC_SUBST(HavePapi)
1271
1272 AC_CONFIG_FILES([mk/config.mk ghc.spec docs/users_guide/ug-book.xml])
1273 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1274 AC_OUTPUT