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