configure.ac

   1 dnl == autoconf source for the Glasgow FP tools ==
   2 dnl (run "grep '^dnl \*' configure.ac | sed -e 's/dnl / /g; s/\*\*/   +/g;'"
   3 dnl  (or some such) to see the outline of this file)
   4 dnl
   5 #
   6 # (c) The University of Glasgow 1994-2004
   7 #
   8 # Configure script template for GHC
   9 #
  10 # Process with 'autoreconf' to get a working configure script.
  11 #
  12 # For the generated configure script, do "./configure --help" to
  13 # see what flags are available. (Better yet, read the documentation!)
  14 #
  15
  16 AC_INIT([The Glorious Glasgow Haskell Compilation System], [6.9], [glasgow-haskell-bugs@haskell.org], [ghc])
  17
  18 # Set this to YES for a released version, otherwise NO
  19 : ${RELEASE=NO}
  20
  21 # The primary version (e.g. 6.7, 6.6.1) is set in the AC_INIT line
  22 # above.  If this is not a released version, then we will append the
  23 # date to the version number (e.g. 6.7.20070204).  The date is
  24 # constructed by finding the date of the most recent patch in the
  25 # darcs repository.  If this is a source distribution (not a darcs
  26 # checkout), then we ship a file 'VERSION' containing the full version
  27 # when the source distribution was created.
  28
  29 if test ! -f mk/config.h.in; then
  30    echo "mk/config.h.in doesn't exist: perhaps you haven't run 'sh boot'?"
  31    exit 1
  32 fi
  33
  34 AC_SUBST([CONFIGURE_ARGS], [$ac_configure_args])
  35
  36 FP_SETUP_PROJECT_VERSION
  37
  38 # Hmmm, we fix the RPM release number to 1 here... Is this convenient?
  39 AC_SUBST([release], [1])
  40
  41 # First off, a distrib sanity check..
  42 AC_CONFIG_SRCDIR([mk/config.mk.in])
  43
  44 dnl * We require autoconf version 2.52
  45 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  46 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  47 AC_PREREQ([2.52])
  48
  49 # -------------------------------------------------------------------------
  50 # Prepare to generate the following header files
  51 #
  52 #
  53 AC_CONFIG_HEADER(mk/config.h)
  54
  55 # No, semi-sadly, we don't do `--srcdir'...
  56 if test x"$srcdir" != 'x.' ; then
  57     echo "This configuration does not support the \`--srcdir' option.."
  58     exit 1
  59 fi
  60
  61 dnl--------------------------------------------------------------------
  62 dnl * Deal with arguments telling us gmp is somewhere odd
  63 dnl--------------------------------------------------------------------
  64
  65 FP_ARG_GMP
  66
  67 GMP_INCLUDE_DIRS=
  68 GMP_LIB_DIRS=
  69 if test "x$gmp_libraries" != "xNONE"; then
  70   LDFLAGS="-L$gmp_libraries $LDFLAGS"
  71   GMP_LIB_DIRS=$gmp_libraries
  72 fi
  73 if test "x$gmp_includes" != "xNONE"; then
  74   CPPFLAGS="-I$gmp_includes $CPPFLAGS"
  75   GMP_INCLUDE_DIRS=$gmp_includes
  76 fi
  77 AC_SUBST(GMP_INCLUDE_DIRS)
  78 AC_SUBST(GMP_LIB_DIRS)
  79
  80 dnl--------------------------------------------------------------------
  81 dnl * Choose host(/target/build) platform
  82 dnl--------------------------------------------------------------------
  83
  84 dnl Guess host/target/build platform(s) if necessary.
  85 AC_CANONICAL_TARGET
  86
  87 # "$host" defaults to "$target"
  88 if test "x$host" = xNONE ; then
  89     host=$target
  90 fi
  91
  92 dnl ** canonicalize platform names
  93 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  94 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  95 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  96
  97 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  98     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  99     exit 1
 100 fi
 101
 102 exeext=''
 103 soext='.so'
 104 #
 105 # The following will be more difficult when we *are* cross-compiling.
 106 # Suitable names to slam in *_CPP are in platform.h.in.
 107 # We also record the architecture, vendor, and operating system (OS)
 108 # separately.
 109 case $HostPlatform in
 110 alpha*-dec-osf[[12]]*)
 111         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
 112         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
 113         BuildPlatform=alpha-dec-osf1  # hack
 114         HostPlatform_CPP='alpha_dec_osf1'
 115         HostArch_CPP='alpha'
 116         HostVendor_CPP='dec'
 117         HostOS_CPP='osf1'
 118         ;;
 119 alpha*-dec-osf[[345]]*)
 120         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
 121         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
 122         BuildPlatform=alpha-dec-osf3  # hack
 123         HostPlatform_CPP='alpha_dec_osf3'
 124         HostArch_CPP='alpha'
 125         HostVendor_CPP='dec'
 126         HostOS_CPP='osf3'
 127         ;;
 128 alpha*-unknown-linux*)
 129         HostPlatform=alpha-unknown-linux
 130         TargetPlatform=alpha-unknown-linux
 131         BuildPlatform=alpha-unknown-linux
 132         HostPlatform_CPP='alpha_unknown_linux'
 133         HostArch_CPP='alpha'
 134         HostVendor_CPP='unknown'
 135         HostOS_CPP='linux'
 136         ;;
 137 alpha*-unknown-freebsd*)
 138         HostPlatform=alpha-unknown-freebsd
 139         TargetPlatform=alpha-unknown-freebsd
 140         BuildPlatform=alpha-unknown-freebsd
 141         HostPlatform_CPP='alpha_unknown_freebsd'
 142         HostArch_CPP='alpha'
 143         HostVendor_CPP='unknown'
 144         HostOS_CPP='freebsd'
 145         ;;
 146 alpha*-unknown-openbsd*)
 147         HostPlatform=alpha-unknown-openbsd
 148         TargetPlatform=alpha-unknown-openbsd
 149         BuildPlatform=alpha-unknown-openbsd
 150         HostPlatform_CPP='alpha_unknown_openbsd'
 151         HostArch_CPP='alpha'
 152         HostVendor_CPP='unknown'
 153         HostOS_CPP='openbsd'
 154         ;;
 155 amd64-*-openbsd*|x86_64-*-openbsd*)
 156         HostPlatform=x86_64-unknown-openbsd
 157         TargetPlatform=x86_64-unknown-openbsd
 158         BuildPlatform=x86_64-unknown-openbsd
 159         HostPlatform_CPP='x86_64_unknown_openbsd'
 160         HostArch_CPP='x86_64'
 161         HostVendor_CPP='unknown'
 162         HostOS_CPP='openbsd'
 163         ;;
 164 amd64-*-freebsd*|x86_64-*-freebsd*)
 165         HostPlatform=x86_64-unknown-freebsd
 166         TargetPlatform=x86_64-unknown-freebsd
 167         BuildPlatform=x86_64-unknown-freebsd
 168         HostPlatform_CPP='x86_64_unknown_freebsd'
 169         HostArch_CPP='x86_64'
 170         HostVendor_CPP='unknown'
 171         HostOS_CPP='freebsd'
 172         ;;
 173 amd64-*-netbsd*|x86_64-*-netbsd*)
 174         HostPlatform=x86_64-unknown-netbsd
 175         TargetPlatform=x86_64-unknown-netbsd
 176         BuildPlatform=x86_64-unknown-netbsd
 177         HostPlatform_CPP='x86_64_unknown_netbsd'
 178         HostArch_CPP='x86_64'
 179         HostVendor_CPP='unknown'
 180         HostOS_CPP='netbsd'
 181         ;;
 182 arm*-linux*)
 183         HostPlatform=arm-unknown-linux # hack again
 184         TargetPlatform=arm-unknown-linux
 185         BuildPlatform=arm-unknown-linux
 186         HostPlatform_CPP='arm_unknown_linux'
 187         HostArch_CPP='arm'
 188         HostVendor_CPP='unknown'
 189         HostOS_CPP='linux'
 190         ;;
 191 arm*-openbsd*)
 192         HostPlatform=arm-unknown-openbsd
 193         TargetPlatform=arm-unknown-openbsd
 194         BuildPlatform=arm-unknown-openbsd
 195         HostPlatform_CPP='arm_unknown_openbsd'
 196         HostArch_CPP='arm'
 197         HostVendor_CPP='unknown'
 198         HostOS_CPP='openbsd'
 199         ;;
 200 hppa*-*-linux*)
 201         HostPlatform=hppa-unknown-linux # hack again
 202         TargetPlatform=hppa-unknown-linux
 203         BuildPlatform=hppa-unknown-linux
 204         HostPlatform_CPP='hppa_unknown_linux'
 205         HostArch_CPP='hppa'
 206         HostVendor_CPP='unknown'
 207         HostOS_CPP='linux'
 208         ;;
 209 hppa*-*-openbsd*)
 210         HostPlatform=hppa-unknown-openbsd # hack again
 211         TargetPlatform=hppa-unknown-openbsd
 212         BuildPlatform=hppa-unknown-openbsd
 213         HostPlatform_CPP='hppa_unknown_openbsd'
 214         HostArch_CPP='hppa'
 215         HostVendor_CPP='unknown'
 216         HostOS_CPP='openbsd'
 217         ;;
 218 hppa1.1-hp-hpux*)
 219         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 220         TargetPlatform=hppa1.1-hp-hpux
 221         BuildPlatform=hppa1.1-hp-hpux
 222         HostPlatform_CPP='hppa1_1_hp_hpux'
 223         HostArch_CPP='hppa1_1'
 224         HostVendor_CPP='hp'
 225         HostOS_CPP='hpux'
 226         ;;
 227 i[[3456]]86-*-linuxaout*)
 228         HostPlatform=i386-unknown-linuxaout   # hack again
 229         TargetPlatform=i386-unknown-linuxaout
 230         BuildPlatform=i386-unknown-linuxaout
 231         HostPlatform_CPP='i386_unknown_linuxaout'
 232         HostArch_CPP='i386'
 233         HostVendor_CPP='unknown'
 234         HostOS_CPP='linuxaout'
 235         ;;
 236 i[[3456]]86-*-linux*)
 237         HostPlatform=i386-unknown-linux # hack again
 238         TargetPlatform=i386-unknown-linux
 239         BuildPlatform=i386-unknown-linux
 240         HostPlatform_CPP='i386_unknown_linux'
 241         HostArch_CPP='i386'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='linux'
 244         ;;
 245 i[[3456]]86-*-kfreebsd*-gnu)
 246         HostPlatform=i386-unknown-kfreebsdgnu # hack again
 247         TargetPlatform=i386-unknown-kfreebsdgnu
 248         BuildPlatform=i386-unknown-kfreebsdgnu
 249         HostPlatform_CPP='i386_unknown_kfreebsdgnu'
 250         HostArch_CPP='i386'
 251         HostVendor_CPP='unknown'
 252         HostOS_CPP='kfreebsdgnu'
 253         ;;
 254 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 255         HostPlatform=i386-unknown-freebsd # hack again
 256         TargetPlatform=i386-unknown-freebsd
 257         BuildPlatform=i386-unknown-freebsd
 258         HostPlatform_CPP='i386_unknown_freebsd'
 259         HostArch_CPP='i386'
 260         HostVendor_CPP='unknown'
 261         HostOS_CPP='freebsd'
 262         ;;
 263 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 264         HostPlatform=i386-unknown-freebsd2 # hack again
 265         TargetPlatform=i386-unknown-freebsd2
 266         BuildPlatform=i386-unknown-freebsd2
 267         HostPlatform_CPP='i386_unknown_freebsd2'
 268         HostArch_CPP='i386'
 269         HostVendor_CPP='unknown'
 270         HostOS_CPP='freebsd2'
 271         ;;
 272 i[[3456]]86-*-netbsd*)
 273         HostPlatform=i386-unknown-netbsd # hack again
 274         TargetPlatform=i386-unknown-netbsd
 275         BuildPlatform=i386-unknown-netbsd
 276         HostPlatform_CPP='i386_unknown_netbsd'
 277         HostArch_CPP='i386'
 278         HostVendor_CPP='unknown'
 279         HostOS_CPP='netbsd'
 280         ;;
 281 i[[3456]]86-*-openbsd*)
 282         HostPlatform=i386-unknown-openbsd # hack again
 283         TargetPlatform=i386-unknown-openbsd
 284         BuildPlatform=i386-unknown-openbsd
 285         HostPlatform_CPP='i386_unknown_openbsd'
 286         HostArch_CPP='i386'
 287         HostVendor_CPP='unknown'
 288         HostOS_CPP='openbsd'
 289         ;;
 290 i[[3456]]86-*-solaris2*)
 291         HostPlatform=i386-unknown-solaris2 # hack again
 292         TargetPlatform=i386-unknown-solaris2
 293         BuildPlatform=i386-unknown-solaris2
 294         HostPlatform_CPP='i386_unknown_solaris2'
 295         HostArch_CPP='i386'
 296         HostVendor_CPP='unknown'
 297         HostOS_CPP='solaris2'
 298         ;;
 299 i[[3456]]86-*-cygwin*)
 300         HostPlatform=i386-unknown-cygwin32 # hack again
 301         TargetPlatform=i386-unknown-cygwin32
 302         BuildPlatform=i386-unknown-cygwin32
 303         HostPlatform_CPP='i386_unknown_cygwin32'
 304         HostArch_CPP='i386'
 305         HostVendor_CPP='unknown'
 306         HostOS_CPP='cygwin32'
 307         exeext='.exe'
 308         soext='.dll'
 309         ;;
 310 i[[3456]]86-*-mingw32*)
 311         HostPlatform=i386-unknown-mingw32 # hack again
 312         TargetPlatform=i386-unknown-mingw32
 313         BuildPlatform=i386-unknown-mingw32
 314         HostPlatform_CPP='i386_unknown_mingw32'
 315         HostArch_CPP='i386'
 316         HostVendor_CPP='unknown'
 317         HostOS_CPP='mingw32'
 318         exeext='.exe'
 319         soext='.dll'
 320         ;;
 321 i[[3456]]86-apple-darwin*)
 322         HostPlatform=i386-apple-darwin
 323         TargetPlatform=i386-apple-darwin #hack
 324         BuildPlatform=i386-apple-darwin #hack
 325         HostPlatform_CPP='i386_apple_darwin'
 326         HostArch_CPP='i386'
 327         HostVendor_CPP='apple'
 328         HostOS_CPP='darwin'
 329         soext='.dylib'
 330         ;;
 331 i[[3456]]86-*-gnu*)
 332         HostPlatform=i386-unknown-gnu
 333         TargetPlatform=i386-unknown-gnu
 334         BuildPlatform=i386-unknown-gnu
 335         HostPlatform_CPP=i386_unknown_gnu
 336         HostArch_CPP=i386
 337         HostVendor_CPP=unknown
 338         HostOS_CPP=gnu
 339         ;;
 340 ia64-*-linux*)
 341         HostPlatform=ia64-unknown-linux # hack again
 342         TargetPlatform=ia64-unknown-linux
 343         BuildPlatform=ia64-unknown-linux
 344         HostPlatform_CPP='ia64_unknown_linux'
 345         HostArch_CPP='ia64'
 346         HostVendor_CPP='unknown'
 347         HostOS_CPP='linux'
 348         ;;
 349 x86_64-*-linux*)
 350         HostPlatform=x86_64-unknown-linux
 351         TargetPlatform=x86_64-unknown-linux
 352         BuildPlatform=x86_64-unknown-linux
 353         HostPlatform_CPP='x86_64_unknown_linux'
 354         HostArch_CPP='x86_64'
 355         HostVendor_CPP='unknown'
 356         HostOS_CPP='linux'
 357         ;;
 358 x86_64-apple-darwin*)
 359         HostPlatform=x86_64-apple-darwin
 360         TargetPlatform=x86_64-apple-darwin
 361         BuildPlatform=x86_64-apple-darwin
 362         HostPlatform_CPP='x86_64_apple_darwin'
 363         HostArch_CPP='x86_64'
 364         HostVendor_CPP='apple'
 365         HostOS_CPP='darwin'
 366         soext='.dylib'
 367         ;;
 368 m68k-*-linux*)
 369         HostPlatform=m68k-unknown-linux # hack again
 370         TargetPlatform=m68k-unknown-linux
 371         BuildPlatform=m68k-unknown-linux
 372         HostPlatform_CPP='m68k_unknown_linux'
 373         HostArch_CPP='m68k'
 374         HostVendor_CPP='unknown'
 375         HostOS_CPP='linux'
 376         ;;
 377 m68k-next-nextstep2)
 378         HostPlatform_CPP='m68k_next_nextstep2'
 379         HostArch_CPP='m68k'
 380         HostVendor_CPP='next'
 381         HostOS_CPP='nextstep2'
 382         ;;
 383 m68k-next-nextstep3)
 384         HostPlatform_CPP='m68k_next_nextstep3'
 385         HostArch_CPP='m68k'
 386         HostVendor_CPP='next'
 387         HostOS_CPP='nextstep3'
 388         ;;
 389 i[[3456]]86-next-nextstep3)
 390         HostPlatform=i386-next-nextstep3 # hack again
 391         TargetPlatform=i386-next-nextstep3
 392         BuildPlatform=i386-next-nextstep3
 393         HostPlatform_CPP='i386_next_nextstep3'
 394         HostArch_CPP='i386'
 395         HostVendor_CPP='next'
 396         HostOS_CPP='nextstep3'
 397         ;;
 398 m68k-*-openbsd*)
 399         HostPlatform=m68k-unknown-openbsd
 400         TargetPlatform=m68k-unknown-openbsd
 401         BuildPlatform=m68k-unknown-openbsd
 402         HostPlatform_CPP='m68k_unknown_openbsd'
 403         HostArch_CPP='m68k'
 404         HostVendor_CPP='unknown'
 405         HostOS_CPP='openbsd'
 406         ;;
 407 m68k-*-netbsd*)
 408         HostPlatform=m68k-unknown-netbsd
 409         TargetPlatform=m68k-unknown-netbsd
 410         BuildPlatform=m68k-unknown-netbsd
 411         HostPlatform_CPP='m68k_unknown_netbsd'
 412         HostArch_CPP='m68k'
 413         HostVendor_CPP='unknown'
 414         HostOS_CPP='netbsd'
 415         ;;
 416 m68k-sun-sunos4*)
 417         HostPlatform=m68k-sun-sunos4
 418         TargetPlatform=m68k-sun-sunos4 #hack
 419         BuildPlatform=m68k-sun-sunos4 #hack
 420         HostPlatform_CPP='m68k_sun_sunos4'
 421         HostArch_CPP='m68k'
 422         HostVendor_CPP='sun'
 423         HostOS_CPP='sunos4'
 424         ;;
 425 m88k-*-openbsd*)
 426         HostPlatform=m88k-unknown-openbsd
 427         TargetPlatform=m88k-unknown-openbsd
 428         BuildPlatform=m88k-unknown-openbsd
 429         HostPlatform_CPP='m88k_unknown_openbsd'
 430         HostArch_CPP='m88k'
 431         HostVendor_CPP='unknown'
 432         HostOS_CPP='openbsd'
 433         ;;
 434 mips-*-linux*)
 435         HostPlatform=mips-unknown-linux # hack again
 436         TargetPlatform=mips-unknown-linux
 437         BuildPlatform=mips-unknown-linux
 438         HostPlatform_CPP='mips_unknown_linux'
 439         HostArch_CPP='mips'
 440         HostVendor_CPP='unknown'
 441         HostOS_CPP='linux'
 442         ;;
 443 mipsel-*-linux*)
 444         HostPlatform=mipsel-unknown-linux # hack again
 445         TargetPlatform=mipsel-unknown-linux
 446         BuildPlatform=mipsel-unknown-linux
 447         HostPlatform_CPP='mipsel_unknown_linux'
 448         HostArch_CPP='mipsel'
 449         HostVendor_CPP='unknown'
 450         HostOS_CPP='linux'
 451         ;;
 452 mips-dec-ultrix*)
 453         HostPlatform_CPP='mips_dec_ultrix'
 454         HostArch_CPP='mipsel'   # NB a little different
 455         HostVendor_CPP='dec'
 456         HostOS_CPP='ultrix'
 457         ;;
 458 mips-sgi-irix*)
 459         HostPlatform=mips-sgi-irix
 460         TargetPlatform=mips-sgi-irix #hack
 461         BuildPlatform=mips-sgi-irix #hack
 462         HostPlatform_CPP='mips_sgi_irix'
 463         HostArch_CPP='mipseb'   # NB a little different
 464         HostVendor_CPP='sgi'
 465         HostOS_CPP='irix'
 466         ;;
 467 rs6000-ibm-aix*)
 468         HostPlatform=rs6000-ibm-aix
 469         TargetPlatform=rs6000-ibm-aix #hack
 470         BuildPlatform=rs6000-ibm-aix #hack
 471         HostPlatform_CPP='rs6000_ibm_aix'
 472         HostArch_CPP='rs6000'
 473         HostVendor_CPP='ibm'
 474         HostOS_CPP='aix'
 475         ;;
 476 powerpc-ibm-aix*)
 477         HostPlatform=powerpc-ibm-aix
 478         TargetPlatform=powerpc-ibm-aix #hack
 479         BuildPlatform=powerpc-ibm-aix #hack
 480         HostPlatform_CPP='powerpc_ibm_aix'
 481         HostArch_CPP='powerpc'
 482         HostVendor_CPP='ibm'
 483         HostOS_CPP='aix'
 484         ;;
 485 powerpc-apple-darwin*)
 486         HostPlatform=powerpc-apple-darwin
 487         TargetPlatform=powerpc-apple-darwin #hack
 488         BuildPlatform=powerpc-apple-darwin #hack
 489         HostPlatform_CPP='powerpc_apple_darwin'
 490         HostArch_CPP='powerpc'
 491         HostVendor_CPP='apple'
 492         HostOS_CPP='darwin'
 493         soext='.dylib'
 494         ;;
 495 powerpc-unknown-linux*)
 496         HostPlatform=powerpc-unknown-linux
 497         TargetPlatform=powerpc-unknown-linux
 498         BuildPlatform=powerpc-unknown-linux
 499         HostPlatform_CPP='powerpc_unknown_linux'
 500         HostArch_CPP='powerpc'
 501         HostVendor_CPP='unknown'
 502         HostOS_CPP='linux'
 503         ;;
 504 powerpc-unknown-openbsd*)
 505         HostPlatform=powerpc-unknown-openbsd
 506         TargetPlatform=powerpc-unknown-openbsd
 507         BuildPlatform=powerpc-unknown-openbsd
 508         HostPlatform_CPP='powerpc_unknown_openbsd'
 509         HostArch_CPP='powerpc'
 510         HostVendor_CPP='unknown'
 511         HostOS_CPP='openbsd'
 512         ;;
 513 powerpc64-unknown-linux*)
 514         HostPlatform=powerpc64-unknown-linux
 515         TargetPlatform=powerpc64-unknown-linux
 516         BuildPlatform=powerpc64-unknown-linux
 517         HostPlatform_CPP='powerpc64_unknown_linux'
 518         HostArch_CPP='powerpc64'
 519         HostVendor_CPP='unknown'
 520         HostOS_CPP='linux'
 521         ;;
 522
 523 s390-ibm-linux*)
 524        HostPlatform=s390-ibm-linux
 525        TargetPlatform=s390-ibm-linux #hack
 526        BuildPlatform=s390-ibm-linux #hack
 527         HostPlatform_CPP='s390_ibm_linux'
 528         HostArch_CPP='s390'
 529         HostVendor_CPP='ibm'
 530         HostOS_CPP='linux'
 531         ;;
 532 sparc-sun-sunos4*)
 533         HostPlatform=sparc-sun-sunos4
 534         TargetPlatform=sparc-sun-sunos4 #hack
 535         BuildPlatform=sparc-sun-sunos4 #hack
 536         HostPlatform_CPP='sparc_sun_sunos4'
 537         HostArch_CPP='sparc'
 538         HostVendor_CPP='sun'
 539         HostOS_CPP='sunos4'
 540         ;;
 541 sparc-sun-solaris2*)
 542         HostPlatform=sparc-sun-solaris2
 543         TargetPlatform=sparc-sun-solaris2 #hack
 544         BuildPlatform=sparc-sun-solaris2 #hack
 545         HostPlatform_CPP='sparc_sun_solaris2'
 546         HostArch_CPP='sparc'
 547         HostVendor_CPP='sun'
 548         HostOS_CPP='solaris2'
 549         ;;
 550 sparc*-linux*)
 551         HostPlatform=sparc-unknown-linux
 552         TargetPlatform=sparc-unknown-linux
 553         BuildPlatform=sparc-unknown-linux
 554         HostPlatform_CPP='sparc_unknown_linux'
 555         HostArch_CPP='sparc'
 556         HostVendor_CPP='unknown'
 557         HostOS_CPP='linux'
 558         ;;
 559 sparc-*-openbsd*)
 560         HostPlatform=sparc-unknown-openbsd
 561         TargetPlatform=sparc-unknown-openbsd
 562         BuildPlatform=sparc-unknown-openbsd
 563         HostPlatform_CPP='sparc_unknown_openbsd'
 564         HostArch_CPP='sparc'
 565         HostVendor_CPP='unknown'
 566         HostOS_CPP='openbsd'
 567         ;;
 568 sparc64-*-openbsd*)
 569         HostPlatform=sparc64-unknown-openbsd
 570         TargetPlatform=sparc64-unknown-openbsd
 571         BuildPlatform=sparc64-unknown-openbsd
 572         HostPlatform_CPP='sparc64_unknown_openbsd'
 573         HostArch_CPP='sparc64'
 574         HostVendor_CPP='unknown'
 575         HostOS_CPP='openbsd'
 576         ;;
 577 vax-*-openbsd*)
 578         HostPlatform=vax-unknown-openbsd
 579         TargetPlatform=vax-unknown-openbsd
 580         BuildPlatform=vax-unknown-openbsd
 581         HostPlatform_CPP='vax_unknown_openbsd'
 582         HostArch_CPP='vax'
 583         HostVendor_CPP='unknown'
 584         HostOS_CPP='openbsd'
 585         ;;
 586 *)
 587         echo "Unrecognised platform: $HostPlatform"
 588         exit 1
 589         ;;
 590 esac
 591 echo "Canonicalised to: $HostPlatform"
 592 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 593 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 594
 595 BuildPlatform_CPP=$HostPlatform_CPP
 596 TargetPlatform_CPP=$HostPlatform_CPP
 597 BuildArch_CPP=$HostArch_CPP
 598 TargetArch_CPP=$HostArch_CPP
 599 BuildOS_CPP=$HostOS_CPP
 600 HostOS_Full=$host_os
 601 TargetOS_CPP=$HostOS_CPP
 602 BuildVendor_CPP=$HostVendor_CPP
 603 TargetVendor_CPP=$HostVendor_CPP
 604
 605 AC_SUBST(BuildPlatform)
 606 AC_SUBST(HostPlatform)
 607 AC_SUBST(TargetPlatform)
 608 AC_SUBST(HostPlatform_CPP)
 609 AC_SUBST(BuildPlatform_CPP)
 610 AC_SUBST(TargetPlatform_CPP)
 611
 612 AC_SUBST(HostArch_CPP)
 613 AC_SUBST(BuildArch_CPP)
 614 AC_SUBST(TargetArch_CPP)
 615
 616 AC_SUBST(HostOS_CPP)
 617 AC_SUBST(HostOS_Full)
 618 AC_SUBST(BuildOS_CPP)
 619 AC_SUBST(TargetOS_CPP)
 620
 621 AC_SUBST(HostVendor_CPP)
 622 AC_SUBST(BuildVendor_CPP)
 623 AC_SUBST(TargetVendor_CPP)
 624
 625 AC_SUBST(exeext)
 626 AC_SUBST(soext)
 627
 628 dnl --------------------------------------------------------------
 629 dnl * Project specific configuration options
 630 dnl --------------------------------------------------------------
 631 dnl What follows is a bunch of options that can either be configured
 632 dnl through command line options to the configure script or by
 633 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 634 dnl use either is considered a Feature.
 635
 636 dnl ** What command to use to compile compiler sources ?
 637 dnl --------------------------------------------------------------
 638
 639 AC_ARG_WITH([ghc],
 640 [AC_HELP_STRING([--with-ghc=ARG],
 641   [Use ARG as the path to GHC  [default=autodetect]])],
 642   [WithGhc="$withval"],
 643   [if test "$GHC" = ""; then
 644     AC_PATH_PROG([GHC], [ghc])
 645   fi
 646   WithGhc="$GHC"])
 647 AC_SUBST([WithGhc])
 648
 649 AC_ARG_WITH(hc,
 650 [AC_HELP_STRING([--with-hc=ARG],
 651         [Use ARG as the path to the compiler for compiling ordinary
 652          Haskell code  (default= value of --with-ghc)])],
 653 [WithHc="$withval"],
 654 [WithHc=$WithGhc]
 655 )
 656 AC_SUBST(WithHc)
 657
 658 if test "$WithGhc" != ""; then
 659   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 660   AC_SUBST(GhcVersion)dnl
 661   AC_SUBST(GhcMajVersion)dnl
 662   AC_SUBST(GhcMinVersion)dnl
 663   AC_SUBST(GhcPatchLevel)dnl
 664   GhcMinVersion2=`echo "$GhcMinVersion" | sed 's/^\\(.\\)$/0\\1/'`
 665   GhcCanonVersion="$GhcMajVersion$GhcMinVersion2"
 666   if test $GhcCanonVersion -ge 605; then ghc_ge_605=YES; else ghc_ge_605=NO; fi
 667   if test $GhcCanonVersion -ge 607; then ghc_ge_607=YES; else ghc_ge_607=NO; fi
 668   if test $GhcCanonVersion -ge 609; then ghc_ge_609=YES; else ghc_ge_609=NO; fi
 669   AC_SUBST(ghc_ge_605)dnl
 670   AC_SUBST(ghc_ge_607)dnl
 671   AC_SUBST(ghc_ge_609)dnl
 672 fi
 673
 674 # Check whether this GHC has editline installed
 675 FP_GHC_HAS_EDITLINE
 676
 677 AC_PATH_PROGS(NHC,nhc nhc98)
 678 AC_PATH_PROG(HBC,hbc)
 679
 680 dnl ** Which gcc to use?
 681 dnl --------------------------------------------------------------
 682 AC_ARG_WITH(gcc,
 683 [AC_HELP_STRING([--with-gcc=ARG],
 684         [Use ARG as the path to GCC  [default=autodetect]])],
 685 [WhatGccIsCalled="$withval"
 686  if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
 687     test "${OSTYPE}"      != "msys"                  && \
 688     test "${withval}"     != ""
 689  then
 690      # Canonicalise to <drive>:/path/to/gcc
 691      withval=`cygpath -m ${withval}`
 692  fi;
 693  CC="$withval"
 694  export CC
 695  ],
 696 [WhatGccIsCalled="gcc"]
 697 )
 698 AC_SUBST(WhatGccIsCalled)
 699
 700 dnl ** Which ld to use?
 701 dnl --------------------------------------------------------------
 702 AC_ARG_WITH(ld,
 703 [AC_HELP_STRING([--with-ld=ARG],
 704         [Use ARG as the path to LD  [default=autodetect]])],
 705 [if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
 706     test "${OSTYPE}"      != "msys"                  && \
 707     test "${withval}"     != ""
 708  then
 709      # Canonicalise to <drive>:/path/to/ld
 710      withval=`cygpath -m ${withval}`
 711  fi;
 712  LD=$withval
 713  FP_PROG_LD([$LD])
 714  ],
 715  [FP_PROG_LD()]
 716 )
 717
 718 dnl ** Booting from .hc files?
 719 dnl --------------------------------------------------------------
 720 AC_ARG_ENABLE(hc-boot,
 721 [AC_HELP_STRING([--enable-hc-boot],
 722 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 723  (This option is mostly of interest to porters.) [default=no]])],
 724 [ if test x"$enableval" = x"yes"; then
 725         BootingFromHc=YES
 726   else
 727         BootingFromHc=NO
 728   fi
 729 ],
 730 [BootingFromHc=NO]
 731 )
 732 AC_SUBST(BootingFromHc)
 733
 734 dnl ** Booting from unregisterised .hc files?
 735 dnl --------------------------------------------------------------
 736 AC_ARG_ENABLE(hc-boot-unregisterised,
 737 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 738 [ With --enable-hc-boot, treat the intermediate .hc files as
 739  unregisterised rather than registerised code.
 740  (This option is mostly of interest to porters.) [default=no]])],
 741 [ if test x"$enableval" = x"yes"; then
 742         BootingFromUnregisterisedHc=YES
 743   else
 744         BootingFromUnregisterisedHc=NO
 745   fi
 746 ],
 747 [BootingFromUnregisterisedHc=NO]
 748 )
 749 AC_SUBST(BootingFromUnregisterisedHc)
 750
 751 if test "$BootingFromHc" = "NO"; then
 752 if test "$BootingFromUnregisterisedHc" = "YES"; then
 753 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 754 fi;
 755 fi;
 756
 757 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 758 if test "$BootingFromHc" = "NO" -a -d "$srcdir/compiler"; then
 759   if test "$WithGhc" = ""; then
 760      AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 761   fi
 762   FP_COMPARE_VERSIONS([$GhcVersion],[-lt],[6.4],
 763     [AC_MSG_ERROR([GHC version 6.4 or later is required to compile GHC.])])dnl
 764 fi;
 765
 766 # This uses GHC, so put it after the "GHC is required" check above:
 767 FP_FIND_ROOT
 768
 769 dnl ** Enable the construction of Win32 DLLs?
 770 dnl --------------------------------------------------------------
 771 dnl
 772 dnl [ The ability to build the RTS and libraries as separate DLLs used
 773 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 774 dnl   and build system would be required to bring it back again.)
 775 dnl   Hence, exposing it as an option is false advertisement, so better
 776 dnl   disable it to avoid confusion (but leave it commented-out rather
 777 dnl   than removed in order to remind ourselves to bring back the
 778 dnl   feature at some stage.) ]
 779 dnl
 780 dnl AC_ARG_ENABLE(win32-dlls,
 781 dnl [  --enable-win32-dlls
 782 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 783 dnl         construction of DLLs containing ghc-compiled code.
 784 dnl ],
 785 dnl [
 786 dnl case $HostOS_CPP in
 787 dnl cygwin32) ;;
 788 dnl mingw32)  ;;
 789 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 790 dnl       exit 1
 791 dnl       ;;
 792 dnl esac
 793 dnl EnableWin32DLLs=YES
 794 dnl ],
 795 dnl [EnableWin32DLLs=NO]
 796 dnl )
 797 dnl AC_SUBST(EnableWin32DLLs)
 798 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 799 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 800 dnl fi
 801
 802 dnl ** Enable the building of the ObjectIO?
 803 dnl --------------------------------------------------------------
 804 AC_ARG_ENABLE(objectio,
 805 [AC_HELP_STRING([--enable-objectio],
 806 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 807 [ if test x"$enableval" = x"yes"; then
 808         GhcLibsWithObjectIO=YES
 809   else
 810         GhcLibsWithObjectIO=NO
 811   fi
 812 ],
 813 [GhcLibsWithObjectIO=NO]
 814 )
 815 AC_SUBST(GhcLibsWithObjectIO)
 816
 817 dnl ** .NET interop support?
 818 dnl --------------------------------------------------------------
 819 AC_ARG_ENABLE(dotnet,
 820 [AC_HELP_STRING([--enable-dotnet],
 821 [Build .NET interop layer. [default=no]])],
 822 [ if test x"$enableval" = x"yes"; then
 823         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 824   else
 825         DotnetSupport=NO
 826   fi],
 827 [DotnetSupport=NO]
 828 )
 829 AC_SUBST(DotnetSupport)
 830
 831 dnl ** Mac OS X: explicit deployment target
 832 dnl --------------------------------------------------------------
 833 AC_ARG_WITH([macosx-deployment-target],
 834 [AC_HELP_STRING([--with-macosx-deployment-target=VERSION],
 835         [Build for Mac OS VERSION and higher  (default= version of build host)])],
 836 [FP_MACOSX_DEPLOYMENT_TARGET="$withval"
 837  if test "x$TargetOS_CPP-$TargetVendor_CPP" != "xdarwin-apple"; then
 838    # ignore everywhere, but on Mac OS
 839    AC_MSG_WARN([--macosx-deployment-target is only available on Mac OS X])
 840    FP_MACOSX_DEPLOYMENT_TARGET=none
 841  fi],
 842 [FP_MACOSX_DEPLOYMENT_TARGET=none]
 843 )
 844 FP_CHECK_MACOSX_DEPLOYMENT_TARGET
 845 AC_SUBST(MACOSX_DEPLOYMENT_VERSION)
 846 AC_SUBST(MACOSX_DEPLOYMENT_SDK)
 847
 848 dnl --------------------------------------------------------------
 849 dnl End of configure script option section
 850 dnl --------------------------------------------------------------
 851
 852
 853 dnl --------------------------------------------------------------
 854 dnl * General configuration checks
 855 dnl --------------------------------------------------------------
 856
 857 dnl ** Can the unix package be built?
 858 dnl --------------------------------------------------------------
 859
 860 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 861    GhcLibsWithUnix=NO
 862 else
 863    GhcLibsWithUnix=YES
 864 fi
 865 AC_SUBST([GhcLibsWithUnix])
 866
 867 dnl ** does #! work?
 868 AC_SYS_INTERPRETER()
 869
 870 dnl ** look for `perl', but only in /bin on Windows
 871 case $HostOS_CPP in
 872 cygwin32|mingw32)
 873       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 874       if test -z "$PerlCmd"; then
 875          echo "You must install the version of Perl shipped with GHC"
 876          echo "(or a compatible one) in /bin."
 877          exit 1
 878       fi
 879    ;;
 880 *)
 881    AC_PATH_PROG(PerlCmd,perl)
 882    if test -z "$PerlCmd"; then
 883       echo "You must install perl before you can continue"
 884       echo "Perhaps it is already installed, but not in your PATH?"
 885       exit 1
 886    else
 887    FPTOOLS_CHECK_PERL_VERSION
 888    fi
 889    ;;
 890 esac
 891
 892 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 893 FPTOOLS_SHEBANG_PERL
 894
 895 dnl ** check for Python
 896 AC_PATH_PROG(PythonCmd,python)
 897
 898 dnl ** look for GCC and find out which version
 899 dnl     Figure out which C compiler to use.  Gcc is preferred.
 900 dnl     If gcc, make sure it's at least 2.1
 901 dnl
 902 FP_HAVE_GCC
 903 FP_MINGW_GCC
 904 FP_GCC_EXTRA_FLAGS
 905
 906 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 907 AC_PROG_CPP
 908
 909 dnl ** Without optimization some INLINE trickery fails for GHCi
 910 SRC_CC_OPTS="-O"
 911
 912 dnl ** Try to add -mno-cygwin to the C compiler options
 913 FP_CHECK_FLAG([-mno-cygwin], [
 914 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 915 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 916 AC_SUBST(SRC_CC_OPTS)
 917
 918 dnl ** figure out how to do context diffs
 919 FP_PROG_CONTEXT_DIFF
 920
 921 dnl ** Find find command (for Win32's benefit)
 922 FP_PROG_FIND
 923
 924 dnl ** Find sort command (for the benefit of Win32 environs)
 925 FP_PROG_SORT
 926
 927 dnl Let's make sure install-sh is executable here.  If we got it from
 928 dnl a darcs repo, it might not be (see bug #978).
 929 chmod +x install-sh
 930 dnl ** figure out how to do a BSD-ish install
 931 AC_PROG_INSTALL
 932
 933 dnl If you can run configure, you certainly have /bin/sh
 934 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 935
 936 dnl ** how to invoke `ar' and `ranlib'
 937 FP_PROG_AR_NEEDS_RANLIB
 938 FP_PROG_AR_SUPPORTS_INPUT
 939
 940 dnl ** Check to see whether ln -s works
 941 AC_PROG_LN_S
 942
 943
 944 dnl ** Find the path to sed
 945 AC_PATH_PROG(SedCmd,sed)
 946
 947
 948 dnl ** check for time command
 949 AC_PATH_PROG(TimeCmd,time)
 950
 951 dnl ** check for tar
 952 dnl   if GNU tar is named gtar, look for it first.
 953 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 954
 955 AC_PATH_PROG(HSCOLOUR,HsColour)
 956 # HsColour is passed to Cabal, so we need a native path
 957 if test "x$HostPlatform"  = "xi386-unknown-mingw32" && \
 958    test "${OSTYPE}"      != "msys"                  && \
 959    test "${HSCOLOUR}"    != ""
 960 then
 961     # Canonicalise to <drive>:/path/to/gcc
 962     HSCOLOUR=`cygpath -m ${HSCOLOUR}`
 963 fi
 964
 965 dnl ** check for DocBook toolchain
 966 FP_CHECK_DOCBOOK_DTD
 967 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/xml/docbook/xsl-stylesheets* /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl /usr/local/share/xsl/docbook /sw/share/xml/xsl/docbook-xsl /opt/local/share/xsl/docbook-xsl])
 968 FP_PROG_FO_PROCESSOR
 969
 970 dnl ** check for ghc-pkg command
 971 FP_PROG_GHC_PKG
 972
 973 AC_ARG_WITH(greencard,
 974 [AC_HELP_STRING([--with-greencard=ARG],
 975         [Use ARG as the path to greencard  [default=autodetct]])],
 976 [
 977 GreenCardCmd=$withval;
 978 FPTOOLS_GREENCARD(3.00)
 979 ]
 980 )
 981
 982 dnl ** check for installed happy binary + version
 983 dnl    (don't do it if we're booting from .hc files though.)
 984 if test "$BootingFromHc" = "NO"; then
 985 FPTOOLS_HAPPY
 986 fi;
 987
 988 dnl ** check for installed haddock
 989 FPTOOLS_HADDOCK
 990
 991 dnl ** check for installed alex binary + version
 992 dnl    (don't do it if we're booting from .hc files though.)
 993 if test "$BootingFromHc" = "NO"; then
 994 FPTOOLS_ALEX
 995 fi;
 996
 997 dnl --------------------------------------------------
 998 dnl ### program checking section ends here ###
 999 dnl --------------------------------------------------
1000
1001 dnl --------------------------------------------------
1002 dnl * Platform header file and syscall feature tests
1003 dnl ### checking the state of the local header files and syscalls ###
1004
1005 dnl ** check for full ANSI header (.h) files
1006 AC_HEADER_STDC
1007
1008 dnl ** Enable large file support.  NB. do this before testing the type of
1009 dnl    off_t, because it will affect the result of that test.
1010 AC_SYS_LARGEFILE
1011
1012 dnl ** check for specific header (.h) files that we are interested in
1013 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])
1014
1015 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
1016 AC_HEADER_TIME
1017
1018 dnl ** do we have long longs?
1019 AC_CHECK_TYPES([long long])
1020
1021 dnl ** what are the sizes of various types
1022 AC_CHECK_SIZEOF(char,               1)
1023 AC_CHECK_SIZEOF(double,             8)
1024 AC_CHECK_SIZEOF(float,              4)
1025 AC_CHECK_SIZEOF(int,                4)
1026 AC_CHECK_SIZEOF(long,               4)
1027 if test "$ac_cv_type_long_long" = yes; then
1028 AC_CHECK_SIZEOF(long long,          8)
1029 fi
1030 AC_CHECK_SIZEOF(short,              2)
1031 AC_CHECK_SIZEOF(unsigned char,      1)
1032 AC_CHECK_SIZEOF(unsigned int,       4)
1033 AC_CHECK_SIZEOF(unsigned long,      4)
1034 if test "$ac_cv_type_long_long" = yes; then
1035 AC_CHECK_SIZEOF(unsigned long long, 8)
1036 fi
1037 AC_CHECK_SIZEOF(unsigned short,     2)
1038 AC_CHECK_SIZEOF(void *,             4)
1039
1040 dnl ** what are alignment constraints on various types
1041 FP_CHECK_ALIGNMENT(char)
1042 FP_CHECK_ALIGNMENT(double)
1043 FP_CHECK_ALIGNMENT(float)
1044 FP_CHECK_ALIGNMENT(int)
1045 FP_CHECK_ALIGNMENT(long)
1046 if test "$ac_cv_type_long_long" = yes; then
1047 FP_CHECK_ALIGNMENT(long long)
1048 fi
1049 FP_CHECK_ALIGNMENT(short)
1050 FP_CHECK_ALIGNMENT(unsigned char)
1051 FP_CHECK_ALIGNMENT(unsigned int)
1052 FP_CHECK_ALIGNMENT(unsigned long)
1053 if test "$ac_cv_type_long_long" = yes; then
1054 FP_CHECK_ALIGNMENT(unsigned long long)
1055 fi
1056 FP_CHECK_ALIGNMENT(unsigned short)
1057 FP_CHECK_ALIGNMENT(void *)
1058
1059 FP_CHECK_FUNC([WinExec],
1060   [@%:@include <windows.h>], [WinExec("",0)])
1061
1062 FP_CHECK_FUNC([GetModuleFileName],
1063   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1064
1065 dnl ** check return type of signal handlers
1066 dnl Foo: assumes we can use prototypes.
1067 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1068 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1069 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1070 dnl #include <signal.h>
1071 dnl #ifdef signal
1072 dnl #undef signal
1073 dnl #endif
1074 dnl void (*signal (int, void (*)(int)))(int);
1075 dnl ]],
1076 dnl [[int i;]])],
1077 dnl [ac_cv_type_signal_handler=void_int],
1078 dnl [ac_cv_type_signal_handler=int_void])])
1079 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1080 dnl AC_DEFINE(VOID_INT_SIGNALS)
1081 dnl fi
1082
1083 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1084 AC_TYPE_SIGNAL
1085 if test "$ac_cv_type_signal" = void; then
1086   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).])
1087 fi
1088
1089 dnl ** check for more functions
1090 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1091 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times ctime_r])
1092 dnl ** On OS X 10.4 (at least), time.h doesn't declare ctime_r if
1093 dnl ** _POSIX_C_SOURCE is defined
1094 AC_CHECK_DECLS([ctime_r], , ,
1095 [#define _POSIX_SOURCE 1
1096 #define _POSIX_C_SOURCE 199506L
1097 #include <time.h>])
1098
1099 dnl ** For ghc/rts/gmp:
1100 AC_CHECK_FUNCS([getpagesize])
1101
1102 dnl ** check whether this machine has gmp3 installed
1103 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1104   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1105     HaveLibGmp=NO; LibGmp=not-installed))
1106   if test $HaveLibGmp = YES; then
1107     AC_DEFINE([HAVE_LIB_GMP], [1], [Define to 1 if GMP library is installed.])
1108   fi;
1109 AC_SUBST(HaveLibGmp)
1110 AC_SUBST(LibGmp)
1111
1112 dnl ** (Mac OS X only: check for GMP.framework)
1113 HaveFrameworkGMP=NO
1114 case $HostPlatform in
1115 *-apple-darwin)
1116     AC_MSG_CHECKING([for GMP.framework])
1117     save_libs="$LIBS"
1118     LIBS="-framework GMP"
1119     AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkGMP=YES,)
1120     if test $HaveFrameworkGMP = YES; then
1121       AC_DEFINE([HAVE_FRAMEWORK_GMP], [1], [Define to 1 if GMP.framework is installed (Mac OS X only).])
1122     fi;
1123     LIBS="$save_libs"
1124     AC_MSG_RESULT([$HaveFrameworkGMP])
1125     ;;
1126 esac
1127 AC_SUBST(HaveFrameworkGMP)
1128
1129 dnl ** check for mingwex library
1130 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1131 AC_SUBST(HaveLibMingwEx)
1132
1133 if test $HaveLibMingwEx = YES ; then
1134   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1135 fi
1136
1137 if test "$HaveLibGmp" = "NO"; then
1138 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1139 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1140 fi;
1141 fi;
1142
1143 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1144 dnl    the order of these tests matters: bfd needs liberty
1145 AC_CHECK_LIB(iberty, xmalloc)
1146 AC_CHECK_LIB(bfd,    bfd_init)
1147
1148 dnl ** check for math library
1149 AC_CHECK_FUNC(atan,[fp_libm_not_needed=yes;LIBM=],[fp_libm_not_needed=dunno])
1150 if test x"$fp_libm_not_needed" = xdunno; then
1151    AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"],[LIBM=])
1152 fi
1153 AC_SUBST([LIBM])
1154
1155 dnl ################################################################
1156 dnl Check for libraries
1157 dnl ################################################################
1158
1159 dnl ** check whether we need -ldl to get dlopen()
1160
1161 AC_CHECK_LIB(dl, dlopen,
1162     [HaveLibDL=YES
1163      AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1164      LIBS="$LIBS -ldl"],
1165     [HaveLibDL=NO])
1166 AC_SUBST(HaveLibDL)
1167
1168 dnl --------------------------------------------------
1169 dnl * Miscellaneous feature tests
1170 dnl --------------------------------------------------
1171
1172 dnl ** can we get alloca?
1173 AC_FUNC_ALLOCA
1174
1175 dnl ** Working vfork?
1176 AC_FUNC_FORK
1177
1178 dnl ** determine whether or not const works
1179 AC_C_CONST
1180
1181 dnl ** are we big endian?
1182 AC_C_BIGENDIAN
1183 FPTOOLS_FLOAT_WORD_ORDER_BIGENDIAN
1184
1185 dnl ** check for leading underscores in symbol names
1186 FP_LEADING_UNDERSCORE
1187
1188 dnl ** check for ld, whether it has an -x option, and if it is GNU ld
1189 FP_PROG_LD_X
1190 FP_PROG_LD_IS_GNU
1191
1192 dnl ** check for Apple-style dead-stripping support
1193 dnl    (.subsections-via-symbols assembler directive)
1194
1195
1196 AC_MSG_CHECKING(for .subsections_via_symbols)
1197 AC_COMPILE_IFELSE(
1198     [AC_LANG_PROGRAM([], [__asm__ (".subsections_via_symbols");])],
1199     [AC_MSG_RESULT(yes)
1200      AC_DEFINE([HAVE_SUBSECTIONS_VIA_SYMBOLS],[1],
1201                [Define to 1 if Apple-style dead-stripping is supported.])
1202     ],
1203     [AC_MSG_RESULT(no)])
1204
1205 dnl *** check for GNU non-executable stack note support (ELF only)
1206 dnl     (.section .note.GNU-stack,"",@progbits)
1207
1208 AC_MSG_CHECKING(for GNU non-executable stack support)
1209 AC_COMPILE_IFELSE(
1210     [AC_LANG_PROGRAM([__asm__ (".section .note.GNU-stack,\"\",@progbits");], [0])],
1211     [AC_MSG_RESULT(yes)
1212      AC_DEFINE([HAVE_GNU_NONEXEC_STACK],[1],
1213                [Define to 1 if GNU non-executable stack notes are supported.])
1214     ],
1215     [AC_MSG_RESULT(no)])
1216
1217 dnl ** check for librt
1218 AC_CHECK_LIB(rt, clock_gettime)
1219 AC_CHECK_FUNCS(clock_gettime timer_create timer_settime)
1220 FP_CHECK_TIMER_CREATE
1221
1222 dnl ** check for Apple's "interesting" long double compatibility scheme
1223 AC_MSG_CHECKING(for printf\$LDBLStub)
1224 AC_TRY_LINK_FUNC(printf\$LDBLStub,
1225     [
1226         AC_MSG_RESULT(yes)
1227         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[1],
1228             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1229     ],
1230     [
1231         AC_MSG_RESULT(no)
1232         AC_DEFINE([HAVE_PRINTF_LDBLSTUB],[0],
1233             [Define to 1 if we have printf$LDBLStub (Apple Mac OS >= 10.4, PPC).])
1234     ])
1235
1236 # test for GTK+
1237 AC_PATH_PROGS([GTK_CONFIG], [pkg-config])
1238 if test -n "$GTK_CONFIG"; then
1239   if $GTK_CONFIG gtk+-2.0 --atleast-version=2.0; then
1240     GTK_CONFIG="$GTK_CONFIG gtk+-2.0"
1241   else
1242     AC_MSG_WARN([GTK+ not usable, need at least version 2.0])
1243     GTK_CONFIG=
1244   fi
1245 fi
1246 AC_SUBST([GTK_CONFIG])
1247
1248 #Checking for PAPI
1249 AC_CHECK_LIB(papi, PAPI_library_init, HavePapiLib=YES, HavePapiLib=NO)
1250 AC_CHECK_HEADER([papi.h], [HavePapiHeader=YES], [HavePapiHeader=NO])
1251 AC_SUBST(HavePapiLib)
1252 AC_SUBST(HavePapiHeader)
1253
1254 if test "$HavePapiLib" = "YES" -a "$HavePapiHeader" = "YES"; then
1255    HavePapi=YES
1256 else
1257    HavePapi=NO
1258 fi
1259 AC_SUBST(HavePapi)
1260
1261 AC_CONFIG_FILES([mk/config.mk ghc.spec extra-gcc-opts docs/users_guide/ug-book.xml])
1262 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1263 AC_OUTPUT