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