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