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([fptools build system], [1.0], [cvs-fptools@haskell.org], [fptools])
  17
  18 # First off, a distrib sanity check..
  19 AC_CONFIG_SRCDIR([mk/config.mk.in])
  20
  21 dnl * We require autoconf version 2.52
  22 dnl We need 2.50 due to the use of AC_SYS_LARGEFILE and AC_MSG_NOTICE.
  23 dnl We need 2.52 due to the use of AS_TR_CPP and AS_TR_SH.
  24 AC_PREREQ([2.52])
  25
  26 dnl * Declare subdirectories that have a private configure script
  27 dnl
  28 dnl After the toplevel configuration is complete, the script will recurse into
  29 dnl these subdirectories if they exist. The use of a cache file makes repeated
  30 dnl checks cheap.
  31 AC_CONFIG_SUBDIRS([ghc libraries])
  32
  33 # -------------------------------------------------------------------------
  34 # Prepare to generate the following header files
  35 #
  36 #
  37 AC_CONFIG_HEADER(mk/config.h)
  38
  39 # No, semi-sadly, we don't do `--srcdir'...
  40 if test x"$srcdir" != 'x.' ; then
  41     echo "This configuration does not support the \`--srcdir' option.."
  42     exit 1
  43 fi
  44
  45 dnl--------------------------------------------------------------------
  46 dnl * Choose host(/target/build) platform
  47 dnl--------------------------------------------------------------------
  48
  49 dnl Guess host/target/build platform(s) if necessary.
  50 AC_CANONICAL_TARGET
  51
  52 # "$host" defaults to "$target"
  53 if test "x$host" = xNONE ; then
  54     host=$target
  55 fi
  56
  57 dnl ** canonicalize platform names
  58 BuildPlatform=`/bin/sh $srcdir/config.sub $build` || exit 1
  59 HostPlatform=`/bin/sh $srcdir/config.sub $host` || exit 1
  60 TargetPlatform=`/bin/sh $srcdir/config.sub $target` || exit 1
  61
  62 if test x"$TargetPlatform" != x"$HostPlatform" ; then
  63     echo "GHC configuration does not support differing host/target (i.e., cross-compiling)"
  64     exit 1
  65 fi
  66
  67 exeext=''
  68 #
  69 # The following will be more difficult when we *are* cross-compiling.
  70 # Suitable names to slam in *_CPP are in platform.h.in.
  71 # We also record the architecture, vendor, and operating system (OS)
  72 # separately.
  73 case $HostPlatform in
  74 alpha*-dec-osf[[12]]*)
  75         HostPlatform=alpha-dec-osf1   # canonicalise for our purposes
  76         TargetPlatform=alpha-dec-osf1 # this will work for now... (hack)
  77         BuildPlatform=alpha-dec-osf1  # hack
  78         HostPlatform_CPP='alpha_dec_osf1'
  79         HostArch_CPP='alpha'
  80         HostVendor_CPP='dec'
  81         HostOS_CPP='osf1'
  82         ;;
  83 alpha*-dec-osf[[345]]*)
  84         HostPlatform=alpha-dec-osf3   # canonicalise for our purposes
  85         TargetPlatform=alpha-dec-osf3 # this will work for now... (hack)
  86         BuildPlatform=alpha-dec-osf3  # hack
  87         HostPlatform_CPP='alpha_dec_osf3'
  88         HostArch_CPP='alpha'
  89         HostVendor_CPP='dec'
  90         HostOS_CPP='osf3'
  91         ;;
  92 alpha*-unknown-linux*)
  93         HostPlatform=alpha-unknown-linux
  94         TargetPlatform=alpha-unknown-linux
  95         BuildPlatform=alpha-unknown-linux
  96         HostPlatform_CPP='alpha_unknown_linux'
  97         HostArch_CPP='alpha'
  98         HostVendor_CPP='unknown'
  99         HostOS_CPP='linux'
 100         ;;
 101 alpha*-unknown-freebsd*)
 102         HostPlatform=alpha-unknown-freebsd
 103         TargetPlatform=alpha-unknown-freebsd
 104         BuildPlatform=alpha-unknown-freebsd
 105         HostPlatform_CPP='alpha_unknown_freebsd'
 106         HostArch_CPP='alpha'
 107         HostVendor_CPP='unknown'
 108         HostOS_CPP='freebsd'
 109         ;;
 110 alpha*-unknown-openbsd*)
 111         HostPlatform=alpha-unknown-openbsd
 112         TargetPlatform=alpha-unknown-openbsd
 113         BuildPlatform=alpha-unknown-openbsd
 114         HostPlatform_CPP='alpha_unknown_openbsd'
 115         HostArch_CPP='alpha'
 116         HostVendor_CPP='unknown'
 117         HostOS_CPP='openbsd'
 118         ;;
 119 amd64-*-openbsd*|x86_64-*-openbsd*)
 120         HostPlatform=x86_64-unknown-openbsd
 121         TargetPlatform=x86_64-unknown-openbsd
 122         BuildPlatform=x86_64-unknown-openbsd
 123         HostPlatform_CPP='x86_64_unknown_openbsd'
 124         HostArch_CPP='x86_64'
 125         HostVendor_CPP='unknown'
 126         HostOS_CPP='openbsd'
 127         ;;
 128 arm*-linux*)
 129         HostPlatform=arm-unknown-linux # hack again
 130         TargetPlatform=arm-unknown-linux
 131         BuildPlatform=arm-unknown-linux
 132         HostPlatform_CPP='arm_unknown_linux'
 133         HostArch_CPP='arm'
 134         HostVendor_CPP='unknown'
 135         HostOS_CPP='linux'
 136         ;;
 137 arm*-openbsd*)
 138         HostPlatform=arm-unknown-openbsd
 139         TargetPlatform=arm-unknown-openbsd
 140         BuildPlatform=arm-unknown-openbsd
 141         HostPlatform_CPP='arm_unknown_openbsd'
 142         HostArch_CPP='arm'
 143         HostVendor_CPP='unknown'
 144         HostOS_CPP='openbsd'
 145         ;;
 146 hppa*-*-linux*)
 147         HostPlatform=hppa-unknown-linux # hack again
 148         TargetPlatform=hppa-unknown-linux
 149         BuildPlatform=hppa-unknown-linux
 150         HostPlatform_CPP='hppa_unknown_linux'
 151         HostArch_CPP='hppa'
 152         HostVendor_CPP='unknown'
 153         HostOS_CPP='linux'
 154         ;;
 155 hppa*-*-openbsd*)
 156         HostPlatform=hppa-unknown-openbsd # hack again
 157         TargetPlatform=hppa-unknown-openbsd
 158         BuildPlatform=hppa-unknown-openbsd
 159         HostPlatform_CPP='hppa_unknown_openbsd'
 160         HostArch_CPP='hppa'
 161         HostVendor_CPP='unknown'
 162         HostOS_CPP='openbsd'
 163         ;;
 164 hppa1.1-hp-hpux*)
 165         HostPlatform=hppa1.1-hp-hpux  # canonicalise for our purposes (hack)
 166         TargetPlatform=hppa1.1-hp-hpux
 167         BuildPlatform=hppa1.1-hp-hpux
 168         HostPlatform_CPP='hppa1_1_hp_hpux'
 169         HostArch_CPP='hppa1_1'
 170         HostVendor_CPP='hp'
 171         HostOS_CPP='hpux'
 172         ;;
 173 i[[3456]]86-*-linuxaout*)
 174         HostPlatform=i386-unknown-linuxaout   # hack again
 175         TargetPlatform=i386-unknown-linuxaout
 176         BuildPlatform=i386-unknown-linuxaout
 177         HostPlatform_CPP='i386_unknown_linuxaout'
 178         HostArch_CPP='i386'
 179         HostVendor_CPP='unknown'
 180         HostOS_CPP='linuxaout'
 181         ;;
 182 i[[3456]]86-*-linux*)
 183         HostPlatform=i386-unknown-linux # hack again
 184         TargetPlatform=i386-unknown-linux
 185         BuildPlatform=i386-unknown-linux
 186         HostPlatform_CPP='i386_unknown_linux'
 187         HostArch_CPP='i386'
 188         HostVendor_CPP='unknown'
 189         HostOS_CPP='linux'
 190         ;;
 191 i[[3456]]86-*-freebsd[[3-9]]*) # FreeBSD 3.0+ uses ELF
 192         HostPlatform=i386-unknown-freebsd # hack again
 193         TargetPlatform=i386-unknown-freebsd
 194         BuildPlatform=i386-unknown-freebsd
 195         HostPlatform_CPP='i386_unknown_freebsd'
 196         HostArch_CPP='i386'
 197         HostVendor_CPP='unknown'
 198         HostOS_CPP='freebsd'
 199         ;;
 200 i[[3456]]86-*-freebsd2*) # Older FreeBSDs are a.out
 201         HostPlatform=i386-unknown-freebsd2 # hack again
 202         TargetPlatform=i386-unknown-freebsd2
 203         BuildPlatform=i386-unknown-freebsd2
 204         HostPlatform_CPP='i386_unknown_freebsd2'
 205         HostArch_CPP='i386'
 206         HostVendor_CPP='unknown'
 207         HostOS_CPP='freebsd2'
 208         ;;
 209 i[[3456]]86-*-netbsd*)
 210         HostPlatform=i386-unknown-netbsd # hack again
 211         TargetPlatform=i386-unknown-netbsd
 212         BuildPlatform=i386-unknown-netbsd
 213         HostPlatform_CPP='i386_unknown_netbsd'
 214         HostArch_CPP='i386'
 215         HostVendor_CPP='unknown'
 216         HostOS_CPP='netbsd'
 217         ;;
 218 i[[3456]]86-*-openbsd*)
 219         HostPlatform=i386-unknown-openbsd # hack again
 220         TargetPlatform=i386-unknown-openbsd
 221         BuildPlatform=i386-unknown-openbsd
 222         HostPlatform_CPP='i386_unknown_openbsd'
 223         HostArch_CPP='i386'
 224         HostVendor_CPP='unknown'
 225         HostOS_CPP='openbsd'
 226         ;;
 227 i[[3456]]86-*-solaris2*)
 228         HostPlatform=i386-unknown-solaris2 # hack again
 229         TargetPlatform=i386-unknown-solaris2
 230         BuildPlatform=i386-unknown-solaris2
 231         HostPlatform_CPP='i386_unknown_solaris2'
 232         HostArch_CPP='i386'
 233         HostVendor_CPP='unknown'
 234         HostOS_CPP='solaris2'
 235         ;;
 236 i[[3456]]86-*-cygwin*)
 237         HostPlatform=i386-unknown-cygwin32 # hack again
 238         TargetPlatform=i386-unknown-cygwin32
 239         BuildPlatform=i386-unknown-cygwin32
 240         HostPlatform_CPP='i386_unknown_cygwin32'
 241         HostArch_CPP='i386'
 242         HostVendor_CPP='unknown'
 243         HostOS_CPP='cygwin32'
 244         exeext='.exe'
 245         ;;
 246 i[[3456]]86-*-mingw32*)
 247         HostPlatform=i386-unknown-mingw32 # hack again
 248         TargetPlatform=i386-unknown-mingw32
 249         BuildPlatform=i386-unknown-mingw32
 250         HostPlatform_CPP='i386_unknown_mingw32'
 251         HostArch_CPP='i386'
 252         HostVendor_CPP='unknown'
 253         HostOS_CPP='mingw32'
 254         exeext='.exe'
 255         ;;
 256 ia64-*-linux*)
 257         HostPlatform=ia64-unknown-linux # hack again
 258         TargetPlatform=ia64-unknown-linux
 259         BuildPlatform=ia64-unknown-linux
 260         HostPlatform_CPP='ia64_unknown_linux'
 261         HostArch_CPP='ia64'
 262         HostVendor_CPP='unknown'
 263         HostOS_CPP='linux'
 264         ;;
 265 x86_64-*-linux*)
 266         HostPlatform=x86_64-unknown-linux
 267         TargetPlatform=x86_64-unknown-linux
 268         BuildPlatform=x86_64-unknown-linux
 269         HostPlatform_CPP='x86_64_unknown_linux'
 270         HostArch_CPP='x86_64'
 271         HostVendor_CPP='unknown'
 272         HostOS_CPP='linux'
 273         ;;
 274 m68k-*-linux*)
 275         HostPlatform=m68k-unknown-linux # hack again
 276         TargetPlatform=m68k-unknown-linux
 277         BuildPlatform=m68k-unknown-linux
 278         HostPlatform_CPP='m68k_unknown_linux'
 279         HostArch_CPP='m68k'
 280         HostVendor_CPP='unknown'
 281         HostOS_CPP='linux'
 282         ;;
 283 m68k-next-nextstep2)
 284         HostPlatform_CPP='m68k_next_nextstep2'
 285         HostArch_CPP='m68k'
 286         HostVendor_CPP='next'
 287         HostOS_CPP='nextstep2'
 288         ;;
 289 m68k-next-nextstep3)
 290         HostPlatform_CPP='m68k_next_nextstep3'
 291         HostArch_CPP='m68k'
 292         HostVendor_CPP='next'
 293         HostOS_CPP='nextstep3'
 294         ;;
 295 i[[3456]]86-next-nextstep3)
 296         HostPlatform=i386-next-nextstep3 # hack again
 297         TargetPlatform=i386-next-nextstep3
 298         BuildPlatform=i386-next-nextstep3
 299         HostPlatform_CPP='i386_next_nextstep3'
 300         HostArch_CPP='i386'
 301         HostVendor_CPP='next'
 302         HostOS_CPP='nextstep3'
 303         ;;
 304 m68k-*-openbsd*)
 305         HostPlatform=m68k-unknown-openbsd
 306         TargetPlatform=m68k-unknown-openbsd
 307         BuildPlatform=m68k-unknown-openbsd
 308         HostPlatform_CPP='m68k_unknown_openbsd'
 309         HostArch_CPP='m68k'
 310         HostVendor_CPP='unknown'
 311         HostOS_CPP='openbsd'
 312         ;;
 313 m68k-*-netbsd*)
 314         HostPlatform=m68k-unknown-netbsd
 315         TargetPlatform=m68k-unknown-netbsd
 316         BuildPlatform=m68k-unknown-netbsd
 317         HostPlatform_CPP='m68k_unknown_netbsd'
 318         HostArch_CPP='m68k'
 319         HostVendor_CPP='unknown'
 320         HostOS_CPP='netbsd'
 321         ;;
 322 m68k-sun-sunos4*)
 323         HostPlatform=m68k-sun-sunos4
 324         TargetPlatform=m68k-sun-sunos4 #hack
 325         BuildPlatform=m68k-sun-sunos4 #hack
 326         HostPlatform_CPP='m68k_sun_sunos4'
 327         HostArch_CPP='m68k'
 328         HostVendor_CPP='sun'
 329         HostOS_CPP='sunos4'
 330         ;;
 331 m88k-*-openbsd*)
 332         HostPlatform=m88k-unknown-openbsd
 333         TargetPlatform=m88k-unknown-openbsd
 334         BuildPlatform=m88k-unknown-openbsd
 335         HostPlatform_CPP='m88k_unknown_openbsd'
 336         HostArch_CPP='m88k'
 337         HostVendor_CPP='unknown'
 338         HostOS_CPP='openbsd'
 339         ;;
 340 mips-*-linux*)
 341         HostPlatform=mips-unknown-linux # hack again
 342         TargetPlatform=mips-unknown-linux
 343         BuildPlatform=mips-unknown-linux
 344         HostPlatform_CPP='mips_unknown_linux'
 345         HostArch_CPP='mips'
 346         HostVendor_CPP='unknown'
 347         HostOS_CPP='linux'
 348         ;;
 349 mips-dec-ultrix*)
 350         HostPlatform_CPP='mips_dec_ultrix'
 351         HostArch_CPP='mipsel'   # NB a little different
 352         HostVendor_CPP='dec'
 353         HostOS_CPP='ultrix'
 354         ;;
 355 mips-sgi-irix*)
 356         HostPlatform=mips-sgi-irix
 357         TargetPlatform=mips-sgi-irix #hack
 358         BuildPlatform=mips-sgi-irix #hack
 359         HostPlatform_CPP='mips_sgi_irix'
 360         HostArch_CPP='mipseb'   # NB a little different
 361         HostVendor_CPP='sgi'
 362         HostOS_CPP='irix'
 363         ;;
 364 rs6000-ibm-aix*)
 365         HostPlatform=rs6000-ibm-aix
 366         TargetPlatform=rs6000-ibm-aix #hack
 367         BuildPlatform=rs6000-ibm-aix #hack
 368         HostPlatform_CPP='rs6000_ibm_aix'
 369         HostArch_CPP='rs6000'
 370         HostVendor_CPP='ibm'
 371         HostOS_CPP='aix'
 372         ;;
 373 powerpc-ibm-aix*)
 374         HostPlatform=powerpc-ibm-aix
 375         TargetPlatform=powerpc-ibm-aix #hack
 376         BuildPlatform=powerpc-ibm-aix #hack
 377         HostPlatform_CPP='powerpc_ibm_aix'
 378         HostArch_CPP='powerpc'
 379         HostVendor_CPP='ibm'
 380         HostOS_CPP='aix'
 381         ;;
 382 powerpc-apple-darwin*)
 383         HostPlatform=powerpc-apple-darwin
 384         TargetPlatform=powerpc-apple-darwin #hack
 385         BuildPlatform=powerpc-apple-darwin #hack
 386         HostPlatform_CPP='powerpc_apple_darwin'
 387         HostArch_CPP='powerpc'
 388         HostVendor_CPP='apple'
 389         HostOS_CPP='darwin'
 390         ;;
 391 powerpc-unknown-linux*)
 392         HostPlatform=powerpc-unknown-linux
 393         TargetPlatform=powerpc-unknown-linux
 394         BuildPlatform=powerpc-unknown-linux
 395         HostPlatform_CPP='powerpc_unknown_linux'
 396         HostArch_CPP='powerpc'
 397         HostVendor_CPP='unknown'
 398         HostOS_CPP='linux'
 399         ;;
 400 powerpc-unknown-openbsd*)
 401         HostPlatform=powerpc-unknown-openbsd
 402         TargetPlatform=powerpc-unknown-openbsd
 403         BuildPlatform=powerpc-unknown-openbsd
 404         HostPlatform_CPP='powerpc_unknown_openbsd'
 405         HostArch_CPP='powerpc'
 406         HostVendor_CPP='unknown'
 407         HostOS_CPP='openbsd'
 408         ;;
 409 powerpc64-unknown-linux*)
 410         HostPlatform=powerpc64-unknown-linux
 411         TargetPlatform=powerpc64-unknown-linux
 412         BuildPlatform=powerpc64-unknown-linux
 413         HostPlatform_CPP='powerpc64_unknown_linux'
 414         HostArch_CPP='powerpc64'
 415         HostVendor_CPP='unknown'
 416         HostOS_CPP='linux'
 417         ;;
 418
 419 s390-ibm-linux*)
 420        HostPlatform=s390-ibm-linux
 421        TargetPlatform=s390-ibm-linux #hack
 422        BuildPlatform=s390-ibm-linux #hack
 423         HostPlatform_CPP='s390_ibm_linux'
 424         HostArch_CPP='s390'
 425         HostVendor_CPP='ibm'
 426         HostOS_CPP='linux'
 427         ;;
 428 sparc-sun-sunos4*)
 429         HostPlatform=sparc-sun-sunos4
 430         TargetPlatform=sparc-sun-sunos4 #hack
 431         BuildPlatform=sparc-sun-sunos4 #hack
 432         HostPlatform_CPP='sparc_sun_sunos4'
 433         HostArch_CPP='sparc'
 434         HostVendor_CPP='sun'
 435         HostOS_CPP='sunos4'
 436         ;;
 437 sparc-sun-solaris2*)
 438         HostPlatform=sparc-sun-solaris2
 439         TargetPlatform=sparc-sun-solaris2 #hack
 440         BuildPlatform=sparc-sun-solaris2 #hack
 441         HostPlatform_CPP='sparc_sun_solaris2'
 442         HostArch_CPP='sparc'
 443         HostVendor_CPP='sun'
 444         HostOS_CPP='solaris2'
 445         ;;
 446 sparc*-linux*)
 447         HostPlatform=sparc-unknown-linux
 448         TargetPlatform=sparc-unknown-linux
 449         BuildPlatform=sparc-unknown-linux
 450         HostPlatform_CPP='sparc_unknown_linux'
 451         HostArch_CPP='sparc'
 452         HostVendor_CPP='unknown'
 453         HostOS_CPP='linux'
 454         ;;
 455 sparc-*-openbsd*)
 456         HostPlatform=sparc-unknown-openbsd
 457         TargetPlatform=sparc-unknown-openbsd
 458         BuildPlatform=sparc-unknown-openbsd
 459         HostPlatform_CPP='sparc_unknown_openbsd'
 460         HostArch_CPP='sparc'
 461         HostVendor_CPP='unknown'
 462         HostOS_CPP='openbsd'
 463         ;;
 464 sparc64-*-openbsd*)
 465         HostPlatform=sparc64-unknown-openbsd
 466         TargetPlatform=sparc64-unknown-openbsd
 467         BuildPlatform=sparc64-unknown-openbsd
 468         HostPlatform_CPP='sparc64_unknown_openbsd'
 469         HostArch_CPP='sparc64'
 470         HostVendor_CPP='unknown'
 471         HostOS_CPP='openbsd'
 472         ;;
 473 vax-*-openbsd*)
 474         HostPlatform=vax-unknown-openbsd
 475         TargetPlatform=vax-unknown-openbsd
 476         BuildPlatform=vax-unknown-openbsd
 477         HostPlatform_CPP='vax_unknown_openbsd'
 478         HostArch_CPP='vax'
 479         HostVendor_CPP='unknown'
 480         HostOS_CPP='openbsd'
 481         ;;
 482 *)
 483         echo "Unrecognised platform: $HostPlatform"
 484         exit 1
 485         ;;
 486 esac
 487 echo "Canonicalised to: $HostPlatform"
 488 test  x"$HostPlatform" != x"$TargetPlatform" && echo "Target platform set to $TargetPlatform"
 489 test  x"$BuildPlatform" != x"$HostPlatform"  && echo "Build platform set to $BuildPlatform"
 490
 491 BuildPlatform_CPP=$HostPlatform_CPP
 492 TargetPlatform_CPP=$HostPlatform_CPP
 493 BuildArch_CPP=$HostArch_CPP
 494 TargetArch_CPP=$HostArch_CPP
 495 BuildOS_CPP=$HostOS_CPP
 496 HostOS_Full=$host_os
 497 TargetOS_CPP=$HostOS_CPP
 498 BuildVendor_CPP=$HostVendor_CPP
 499 TargetVendor_CPP=$HostVendor_CPP
 500
 501 AC_SUBST(BuildPlatform)
 502 AC_SUBST(HostPlatform)
 503 AC_SUBST(TargetPlatform)
 504 AC_SUBST(HostPlatform_CPP)
 505 AC_SUBST(BuildPlatform_CPP)
 506 AC_SUBST(TargetPlatform_CPP)
 507
 508 AC_SUBST(HostArch_CPP)
 509 AC_SUBST(BuildArch_CPP)
 510 AC_SUBST(TargetArch_CPP)
 511
 512 AC_SUBST(HostOS_CPP)
 513 AC_SUBST(HostOS_Full)
 514 AC_SUBST(BuildOS_CPP)
 515 AC_SUBST(TargetOS_CPP)
 516
 517 AC_SUBST(HostVendor_CPP)
 518 AC_SUBST(BuildVendor_CPP)
 519 AC_SUBST(TargetVendor_CPP)
 520
 521 AC_SUBST(exeext)
 522
 523 dnl --------------------------------------------------------------
 524 dnl * Calculate absolute path to build tree
 525 dnl --------------------------------------------------------------
 526
 527 AC_MSG_CHECKING(for path to top of build tree)
 528
 529 hardtop=`pwd`
 530
 531 dnl Remove common automounter nonsense
 532 dnl
 533 hardtop=`echo $hardtop | sed 's|^/tmp_mnt.*\(/local/.*\)$|\1|' | sed 's|^/tmp_mnt/|/|' | sed 's|^//\(.\)/|\1:/|' `
 534
 535 dnl Find 'hardtop_plat', the native format for 'hardtop'
 536 dnl (i.e., right kind of \dnl slashes on a Win32 box, but with b-slashes being escaped).
 537 dnl
 538 dnl Note OSTYPE: On Cygwin we need to use 'cygpath' to convert /cygdrive/c/foo to c:/foo
 539 dnl              but we must not do that if we aren't building using Cygwin (notably msys),
 540 dnl              because cygpath doesn't exist.  It seems that 'bash' sets OSTYPE to 'cygwin'
 541 dnl              or 'msys' respectively, but cygwin's 'sh' does not.  So we hackily assume
 542 dnl              that if the shell hasn't set it to 'msys' then we must be in Cygwin.  Sigh.
 543 dnl
 544 dnl              The Right Thing is probably to test $BuildPlatform instead, but we are sloppy
 545 dnl              about setting that correctly at the moment, so we just work around for now.
 546 dnl
 547 dnl              The quotes round "$(OSTYPE)" are essential, for the Cygwin-sh case where OSTYPE
 548 dnl              is not set.
 549 case $HostPlatform in
 550   i386-unknown-mingw32 | i386-unknown-cygwin32)
 551         if test "${OSTYPE}" != "msys"
 552           then
 553             # convert $hardtop to a path that mingw will understand too
 554             cyghardtop=${hardtop}
 555             hardtop=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@/@g'`
 556             hardtop_plat=`cygpath -w ${cyghardtop} | sed -e 's@\\\\@\\\\\\\\@g'`
 557           else
 558             hardtop_plat=${hardtop}
 559         fi
 560         ;;
 561   *)
 562         hardtop_plat=${hardtop}
 563         ;;
 564 esac
 565 AC_SUBST(hardtop)
 566 AC_SUBST(hardtop_plat)
 567
 568 AC_MSG_RESULT(${hardtop})
 569
 570 dnl --------------------------------------------------------------
 571 dnl * Project specific configuration options
 572 dnl --------------------------------------------------------------
 573 dnl What follows is a bunch of options that can either be configured
 574 dnl through command line options to the configure script or by
 575 dnl supplying defns in the build tree's mk/build.mk. Having the option to
 576 dnl use either is considered a Feature.
 577
 578 dnl ** What command to use to compile compiler sources ?
 579 dnl --------------------------------------------------------------
 580
 581 AC_ARG_WITH([ghc],
 582 [AC_HELP_STRING([--with-ghc=ARG],
 583   [Use ARG as the path to GHC  [default=autodetect]])],
 584   [WithGhc="$withval"],
 585   [if test "$GHC" = ""; then
 586     AC_PATH_PROG([GHC], [ghc])
 587   fi
 588   WithGhc="$GHC"])
 589 AC_SUBST([WithGhc])
 590
 591 AC_ARG_WITH(hc,
 592 [AC_HELP_STRING([--with-hc=ARG],
 593         [Use ARG as the path to the compiler for compiling ordinary
 594          Haskell code  (default= value of --with-ghc)])],
 595 [WithHc="$withval"],
 596 [WithHc=$WithGhc]
 597 )
 598 AC_SUBST(WithHc)
 599
 600 if test "$WithGhc" != ""; then
 601   FPTOOLS_GHC_VERSION([GhcVersion], [GhcMajVersion], [GhcMinVersion], [GhcPatchLevel])dnl
 602   AC_SUBST(GhcVersion)dnl
 603   AC_SUBST(GhcMajVersion)dnl
 604   AC_SUBST(GhcMinVersion)dnl
 605   AC_SUBST(GhcPatchLevel)dnl
 606 fi
 607
 608 AC_PATH_PROGS(NHC,nhc nhc98)
 609 AC_PATH_PROG(HBC,hbc)
 610
 611 dnl ** Which gcc to use?
 612 dnl --------------------------------------------------------------
 613 AC_ARG_WITH(gcc,
 614 [AC_HELP_STRING([--with-gcc=ARG],
 615         [Use ARG as the path to GCC  [default=autodetect]])],
 616 [WhatGccIsCalled="$withval"
 617  if test "x$HostPlatform" = "xi386-unknown-mingw32"
 618     then
 619        if test "${OSTYPE}" != "msys"
 620          then
 621          # Canonicalise to <drive>:/path/to/gcc
 622          withval=`cygpath -w ${withval} | sed -e 's@\\\\@/@g' `
 623        fi
 624  fi;
 625  CC="$withval"],
 626 [WhatGccIsCalled="gcc"]
 627 )
 628 AC_SUBST(WhatGccIsCalled)
 629
 630 dnl ** Booting from .hc files?
 631 dnl --------------------------------------------------------------
 632 AC_ARG_ENABLE(hc-boot,
 633 [AC_HELP_STRING([--enable-hc-boot],
 634 [Boot the Glasgow Haskell Compiler from intermediate .hc files.
 635  (This option is mostly of interest to porters.) [default=no]])],
 636 [ if test x"$enableval" = x"yes"; then
 637         BootingFromHc=YES
 638   else
 639         BootingFromHc=NO
 640   fi
 641 ],
 642 [BootingFromHc=NO]
 643 )
 644 AC_SUBST(BootingFromHc)
 645
 646 dnl ** Booting from unregisterised .hc files?
 647 dnl --------------------------------------------------------------
 648 AC_ARG_ENABLE(hc-boot-unregisterised,
 649 [AC_HELP_STRING([--enable-hc-boot-unregisterised],
 650 [ With --enable-hc-boot, treat the intermediate .hc files as
 651  unregisterised rather than registerised code.
 652  (This option is mostly of interest to porters.) [default=no]])],
 653 [ if test x"$enableval" = x"yes"; then
 654         BootingFromUnregisterisedHc=YES
 655   else
 656         BootingFromUnregisterisedHc=NO
 657   fi
 658 ],
 659 [BootingFromUnregisterisedHc=NO]
 660 )
 661 AC_SUBST(BootingFromUnregisterisedHc)
 662
 663 if test "$BootingFromHc" = "NO"; then
 664 if test "$BootingFromUnregisterisedHc" = "YES"; then
 665 AC_MSG_ERROR([--enable-hc-boot-unregisterised requires --enable-hc-boot.])
 666 fi;
 667 fi;
 668
 669 dnl ** Must have GHC to build GHC, unless --enable-hc-boot is on
 670 if test "$BootingFromHc" = "NO" -a "$WithGhc" = "" -a -d "$srcdir/ghc"; then
 671 AC_MSG_ERROR([GHC is required unless bootstrapping from .hc files.])
 672 fi;
 673
 674 dnl ** --enable-threaded-rts (not used any more)
 675 dnl --------------------------------------------------------------
 676 AC_ARG_ENABLE(threaded-rts,
 677 [AC_HELP_STRING([--enable-threaded-rts],
 678 [DEPRECATED (backwards compatibility only). [default=no]])],
 679 [ if test x"$enableval" = x"yes"; then
 680         ThreadedRts=YES
 681   else
 682         ThreadedRts=NO
 683   fi
 684 ],
 685 [ThreadedRts=NO]
 686 )
 687 AC_SUBST(ThreadedRts)
 688
 689 dnl ** Enable the construction of Win32 DLLs?
 690 dnl --------------------------------------------------------------
 691 dnl
 692 dnl [ The ability to build the RTS and libraries as separate DLLs used
 693 dnl   to be supported, but isn't currently (updates to the RTS, compiler
 694 dnl   and build system would be required to bring it back again.)
 695 dnl   Hence, exposing it as an option is false advertisement, so better
 696 dnl   disable it to avoid confusion (but leave it commented-out rather
 697 dnl   than removed in order to remind ourselves to bring back the
 698 dnl   feature at some stage.) ]
 699 dnl
 700 dnl AC_ARG_ENABLE(win32-dlls,
 701 dnl [  --enable-win32-dlls
 702 dnl         If on a Win32 platform running mingw32/cygwin, enable the
 703 dnl     construction of DLLs containing ghc-compiled code.
 704 dnl ],
 705 dnl [
 706 dnl case $HostOS_CPP in
 707 dnl cygwin32) ;;
 708 dnl mingw32)  ;;
 709 dnl *)    echo "Unrecognised win32 platform: $HostPlatform"
 710 dnl       exit 1
 711 dnl       ;;
 712 dnl esac
 713 dnl EnableWin32DLLs=YES
 714 dnl ],
 715 dnl [EnableWin32DLLs=NO]
 716 dnl )
 717 dnl AC_SUBST(EnableWin32DLLs)
 718 dnl if test x"$EnableWin32DLLs" = "xYES" ; then
 719 dnl  AC_DEFINE(HAVE_WIN32_DLL_SUPPORT)
 720 dnl fi
 721
 722 dnl ** Enable the building of the ObjectIO?
 723 dnl --------------------------------------------------------------
 724 AC_ARG_ENABLE(objectio,
 725 [AC_HELP_STRING([--enable-objectio],
 726 [Build ObjectIO, a portable GUI library for Haskell. [default=no]])],
 727 [ if test x"$enableval" = x"yes"; then
 728         GhcLibsWithObjectIO=YES
 729   else
 730         GhcLibsWithObjectIO=NO
 731   fi
 732 ],
 733 [GhcLibsWithObjectIO=NO]
 734 )
 735 AC_SUBST(GhcLibsWithObjectIO)
 736
 737 dnl ** .NET interop support?
 738 dnl --------------------------------------------------------------
 739 AC_ARG_ENABLE(dotnet,
 740 [AC_HELP_STRING([--enable-dotnet],
 741 [Build .NET interop layer. [default=no]])],
 742 [ if test x"$enableval" = x"yes"; then
 743         DotnetSupport=YES; AC_DEFINE([WANT_DOTNET_SUPPORT], [1], [Define to 1 if you want to include .NET interop support.])
 744   else
 745         DotnetSupport=NO
 746   fi],
 747 [DotnetSupport=NO]
 748 )
 749 AC_SUBST(DotnetSupport)
 750
 751 dnl --------------------------------------------------------------
 752 dnl End of configure script option section
 753 dnl --------------------------------------------------------------
 754
 755
 756 dnl --------------------------------------------------------------
 757 dnl * General configuration checks
 758 dnl --------------------------------------------------------------
 759
 760 dnl ** Can the unix package be built?
 761 dnl --------------------------------------------------------------
 762
 763 if test x"$TargetPlatform" = x"i386-unknown-mingw32"; then
 764    GhcLibsWithUnix=NO
 765 else
 766    GhcLibsWithUnix=YES
 767 fi
 768 AC_SUBST([GhcLibsWithUnix])
 769
 770 dnl ** does #! work?
 771 AC_SYS_INTERPRETER()
 772
 773 dnl ** look for `perl', but only in /bin on Windows
 774 case $HostOS_CPP in
 775 cygwin32|mingw32)
 776       AC_CHECK_PROG(PerlCmd,perl,/bin/perl,,/bin)
 777       if test -z "$PerlCmd"; then
 778          echo "You must install the version of Perl shipped with GHC"
 779          echo "(or a compatible one) in /bin."
 780          exit 1
 781       fi
 782    ;;
 783 *)
 784    AC_PATH_PROG(PerlCmd,perl)
 785    if test -z "$PerlCmd"; then
 786       echo "You must install perl before you can continue"
 787       echo "Perhaps it is already installed, but not in your PATH?"
 788       exit 1
 789    else
 790    FPTOOLS_CHECK_PERL_VERSION
 791    fi
 792    ;;
 793 esac
 794
 795 dnl ** does #! path/to/perl work? (sometimes it's too long...)
 796 FPTOOLS_SHEBANG_PERL
 797
 798 dnl ** check for Python
 799 AC_PATH_PROG(PythonCmd,python)
 800
 801 dnl ** look for GCC and find out which version
 802 dnl     Figure out which C compiler to use.  Gcc is preferred.
 803 dnl     If gcc, make sure it's at least 2.1
 804 dnl
 805 FP_HAVE_GCC
 806
 807 dnl ** figure out how to invoke cpp directly (gcc -E is no good)
 808 AC_PROG_CPP
 809
 810 dnl ** Without optimization some INLINE trickery fails for GHCi
 811 SRC_CC_OPTS="-O"
 812
 813 dnl ** Try to add -mno-cygwin to the C compiler options
 814 FP_CHECK_FLAG([-mno-cygwin], [
 815 SRC_CC_OPTS="-mno-cygwin $SRC_CC_OPTS"
 816 CPPFLAGS="-mno-cygwin $CPPFLAGS"])
 817 AC_SUBST(SRC_CC_OPTS)
 818
 819 dnl ** figure out how to do context diffs
 820 FP_PROG_CONTEXT_DIFF
 821
 822 dnl ** Find find command (for Win32's benefit)
 823 FP_PROG_FIND
 824
 825 dnl ** figure out how to do a BSD-ish install
 826 AC_PROG_INSTALL
 827
 828 dnl If you can run configure, you certainly have /bin/sh
 829 AC_DEFINE([HAVE_BIN_SH], [1], [Define to 1 if you have /bin/sh.])
 830
 831 dnl ** how to invoke `ar' and `ranlib'
 832 FP_PROG_AR_NEEDS_RANLIB
 833 FP_PROG_AR_SUPPORTS_INPUT
 834
 835 dnl ** Check to see whether ln -s works
 836 AC_PROG_LN_S
 837
 838
 839 dnl ** Find the path to sed
 840 AC_PATH_PROG(SedCmd,sed)
 841
 842
 843 dnl ** check for time command
 844 AC_PATH_PROG(TimeCmd,time)
 845
 846 dnl ** check for tar
 847 dnl   if GNU tar is named gtar, look for it first.
 848 AC_PATH_PROGS(TarCmd,gtar tar,tar)
 849
 850 dnl ** check for DocBook toolchain
 851 FP_CHECK_DOCBOOK_DTD
 852 FP_DIR_DOCBOOK_XSL([/usr/share/xml/docbook/stylesheet/nwalsh/current /usr/share/xml/docbook/stylesheet/nwalsh /usr/share/sgml/docbook/docbook-xsl-stylesheets* /usr/share/sgml/docbook/xsl-stylesheets* /opt/kde?/share/apps/ksgmltools2/docbook/xsl /usr/share/docbook-xsl /usr/share/sgml/docbkxsl])
 853 FP_PROG_FO_PROCESSOR
 854
 855 dnl ** check for ghc-pkg command
 856 FP_PROG_GHC_PKG
 857
 858 AC_ARG_WITH(greencard,
 859 [AC_HELP_STRING([--with-greencard=ARG],
 860         [Use ARG as the path to greencard  [default=autodetct]])],
 861 [
 862 GreenCardCmd=$withval;
 863 FPTOOLS_GREENCARD(3.00)
 864 ]
 865 )
 866
 867 AC_ARG_ENABLE(src-tree-happy,
 868 [AC_HELP_STRING([--enable-src-tree-happy],
 869         [Build and use source tree (fptools/happy) version of Happy.
 870          [default=autodetect]])],
 871 [ if test x"$enableval" = x"yes"; then
 872         UseSrcTreeHappy=YES
 873   else
 874         UseSrcTreeHappy=NO
 875   fi
 876 ],
 877 [UseSrcTreeHappy=NO]
 878 )
 879 dnl ** check for installed happy binary + version
 880 dnl    (don't do it if we're booting from .hc files though.)
 881 if test "$BootingFromHc" = "NO"; then
 882 FPTOOLS_HAPPY
 883 fi;
 884
 885 AC_ARG_ENABLE(src-tree-haddock,
 886 [AC_HELP_STRING([--enable-src-tree-haddock],
 887         [Build and use source tree (fptools/haddock) version of Haddock.
 888          [default=autodetect]])],
 889 [ if test x"$enableval" = x"yes"; then
 890         UseSrcTreeHaddock=YES
 891   else
 892         UseSrcTreeHaddock=NO
 893   fi
 894 ],
 895 [UseSrcTreeHaddock=NO]
 896 )
 897 dnl ** check for installed haddock
 898 FPTOOLS_HADDOCK
 899
 900 AC_ARG_ENABLE(src-tree-alex,
 901 [AC_HELP_STRING([--enable-src-tree-alex],
 902         [Build and use source tree (fptools/alex) version of Alex.
 903          [default=autodetect]])],
 904 [ if test x"$enableval" = x"yes"; then
 905         UseSrcTreeAlex=YES
 906   else
 907         UseSrcTreeAlex=NO
 908   fi
 909 ],
 910 [UseSrcTreeAlex=NO]
 911 )
 912 dnl ** check for installed alex binary + version
 913 dnl    (don't do it if we're booting from .hc files though.)
 914 if test "$BootingFromHc" = "NO"; then
 915 FPTOOLS_ALEX
 916 fi;
 917
 918 dnl --------------------------------------------------
 919 dnl ### program checking section ends here ###
 920 dnl --------------------------------------------------
 921
 922 dnl --------------------------------------------------
 923 dnl * Platform header file and syscall feature tests
 924 dnl ### checking the state of the local header files and syscalls ###
 925
 926 dnl ** check for full ANSI header (.h) files
 927 AC_HEADER_STDC
 928
 929 dnl ** Enable large file support.  NB. do this before testing the type of
 930 dnl    off_t, because it will affect the result of that test.
 931 AC_SYS_LARGEFILE
 932
 933 dnl ** check for specific header (.h) files that we are interested in
 934 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])
 935
 936 AC_CHECK_HEADER([readline/readline.h], [HaveReadlineReadlineH=YES], [HaveReadlineReadlineH=NO])
 937 AC_CHECK_HEADER([readline/history.h], [HaveReadlineHistoryH=YES], [HaveReadlineHistoryH=NO])
 938
 939 if test $HaveReadlineReadlineH = YES && test $HaveReadlineHistoryH = YES ; then
 940   GhcLibsWithReadline=YES
 941   AC_DEFINE([HAVE_READLINE_HEADERS], [1], [Define to 1 if readline/readline.h and readline/history.h exist.])
 942 else
 943   GhcLibsWithReadline=NO
 944   AC_DEFINE([HAVE_READLINE_HEADERS], [0], [Define to 1 if readline/readline.h and readline/history.h exist.])
 945 fi
 946 AC_SUBST(GhcLibsWithReadline)
 947
 948 dnl ** check if it is safe to include both <time.h> and <sys/time.h>
 949 AC_HEADER_TIME
 950
 951 dnl ** check for POSIX regex
 952 HavePosixRegex=NO
 953 AC_CHECK_HEADERS([regex.h], [AC_CHECK_FUNCS(regcomp, [HavePosixRegex=YES])])
 954 AC_SUBST(HavePosixRegex)
 955
 956 dnl ** how do we get a timezone name, and UTC offset ?
 957 AC_STRUCT_TIMEZONE
 958
 959 dnl ** do we have altzone?
 960 FP_DECL_ALTZONE
 961
 962 dnl ** do we have long longs?
 963 AC_CHECK_TYPES([long long])
 964
 965 dnl ** what are the sizes of various types
 966 AC_CHECK_SIZEOF(char,               1)
 967 AC_CHECK_SIZEOF(double,             8)
 968 AC_CHECK_SIZEOF(float,              4)
 969 AC_CHECK_SIZEOF(int,                4)
 970 AC_CHECK_SIZEOF(long,               4)
 971 if test "$ac_cv_type_long_long" = yes; then
 972 AC_CHECK_SIZEOF(long long,          8)
 973 fi
 974 AC_CHECK_SIZEOF(short,              2)
 975 AC_CHECK_SIZEOF(unsigned char,      1)
 976 AC_CHECK_SIZEOF(unsigned int,       4)
 977 AC_CHECK_SIZEOF(unsigned long,      4)
 978 if test "$ac_cv_type_long_long" = yes; then
 979 AC_CHECK_SIZEOF(unsigned long long, 8)
 980 fi
 981 AC_CHECK_SIZEOF(unsigned short,     2)
 982 AC_CHECK_SIZEOF(void *,             4)
 983
 984 dnl ** what are alignment constraints on various types
 985 FP_CHECK_ALIGNMENT(char)
 986 FP_CHECK_ALIGNMENT(double)
 987 FP_CHECK_ALIGNMENT(float)
 988 FP_CHECK_ALIGNMENT(int)
 989 FP_CHECK_ALIGNMENT(long)
 990 if test "$ac_cv_type_long_long" = yes; then
 991 FP_CHECK_ALIGNMENT(long long)
 992 fi
 993 FP_CHECK_ALIGNMENT(short)
 994 FP_CHECK_ALIGNMENT(unsigned char)
 995 FP_CHECK_ALIGNMENT(unsigned int)
 996 FP_CHECK_ALIGNMENT(unsigned long)
 997 if test "$ac_cv_type_long_long" = yes; then
 998 FP_CHECK_ALIGNMENT(unsigned long long)
 999 fi
1000 FP_CHECK_ALIGNMENT(unsigned short)
1001 FP_CHECK_ALIGNMENT(void *)
1002
1003 FP_CHECK_FUNC([WinExec],
1004   [@%:@include <windows.h>], [WinExec("",0)])
1005
1006 FP_CHECK_FUNC([GetModuleFileName],
1007   [@%:@include <windows.h>], [GetModuleFileName((HMODULE)0,(LPTSTR)0,0)])
1008
1009 dnl ** check return type of signal handlers
1010 dnl Foo: assumes we can use prototypes.
1011 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1012 dnl AC_CACHE_CHECK([type of signal handlers], ac_cv_type_signal_handler,
1013 dnl [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/types.h>
1014 dnl #include <signal.h>
1015 dnl #ifdef signal
1016 dnl #undef signal
1017 dnl #endif
1018 dnl void (*signal (int, void (*)(int)))(int);
1019 dnl ]],
1020 dnl [[int i;]])],
1021 dnl [ac_cv_type_signal_handler=void_int],
1022 dnl [ac_cv_type_signal_handler=int_void])])
1023 dnl if test "$ac_cv_type_signal_handler" = void_int; then
1024 dnl AC_DEFINE(VOID_INT_SIGNALS)
1025 dnl fi
1026
1027 dnl On BCC, signal handlers have type "int(void)", elsewhere its "void(int)".
1028 AC_TYPE_SIGNAL
1029 if test "$ac_cv_type_signal" = void; then
1030   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).])
1031 fi
1032
1033 dnl ** check for more functions
1034 dnl ** The following have been verified to be used in ghc/, but might be used somewhere else, too.
1035 AC_CHECK_FUNCS([getclock getrusage gettimeofday setitimer siginterrupt sysconf times])
1036 dnl ** For ghc/rts/gmp:
1037 AC_CHECK_FUNCS([getpagesize])
1038
1039 dnl ** check whether this machine has gmp3 installed
1040 AC_CHECK_LIB(gmp,  __gmpz_fdiv_qr, HaveLibGmp=YES; LibGmp=gmp,
1041   AC_CHECK_LIB(gmp3, __gmpz_fdiv_qr,  HaveLibGmp=YES; LibGmp=gmp3,
1042     HaveLibGmp=NO; LibGmp=not-installed))
1043 AC_SUBST(HaveLibGmp)
1044 AC_SUBST(LibGmp)
1045
1046 dnl ** (Mac OS X only: check for HaskellSupport.framework)
1047 HaveFrameworkHaskellSupport=NO
1048 if test $HostPlatform = "powerpc-apple-darwin"; then
1049  AC_MSG_CHECKING([for HaskellSupport.framework])
1050  save_libs="$LIBS"
1051  LIBS="-framework HaskellSupport"
1052  AC_TRY_LINK_FUNC(__gmpz_fdiv_qr, HaveFrameworkHaskellSupport=YES,)
1053  if test $HaveFrameworkHaskellSupport = YES; then
1054   AC_DEFINE([HAVE_FRAMEWORK_HASKELLSUPPORT], [1], [Define to 1 if the HaskellSupport.framework is installed (Mac OS X only).])
1055  fi;
1056  LIBS="$save_libs"
1057  AC_MSG_RESULT([$HaveFrameworkHaskellSupport])
1058 fi;
1059 AC_SUBST(HaveFrameworkHaskellSupport)
1060
1061 dnl ** check for mingwex library
1062 AC_CHECK_LIB(mingwex, closedir, HaveLibMingwEx=YES, HaveLibMingwEx=NO)
1063 AC_SUBST(HaveLibMingwEx)
1064
1065 if test $HaveLibMingwEx = YES ; then
1066   AC_DEFINE([HAVE_MINGWEX], [1], [Define to 1 if you have the mingwex library.])
1067 fi
1068
1069 if test "$HaveLibGmp" = "NO"; then
1070 if test "$HostArch_CPP" = "ia64" -o "$HostArch_CPP" = "mipseb" ; then
1071 AC_MSG_ERROR([You need to install libgmp (the in-tree version does not work on IA64 or mips64).])
1072 fi;
1073 fi;
1074
1075 dnl ** check whether this machine has BFD and liberty installed (used for debugging)
1076 dnl    the order of these tests matters: bfd needs liberty
1077 AC_CHECK_LIB(iberty, xmalloc)
1078 AC_CHECK_LIB(bfd,    bfd_init)
1079
1080 dnl ** check for readline, for Hugs and hslibs' Readline
1081 dnl ncurses supersedes termcap and curses, but for compatibility,
1082 dnl we have to check for all...
1083 AC_CHECK_LIB(ncurses, tputs, HaveLibTermcap=YES; LibTermcap=ncurses,
1084   AC_CHECK_LIB(termcap, tputs, HaveLibTermcap=YES; LibTermcap=termcap,
1085     AC_CHECK_LIB(curses, tputs, HaveLibTermcap=YES; LibTermcap=curses,
1086       HaveLibTermcap=NO; LibTermcap=not-installed)))
1087
1088 if test $HaveLibTermcap = YES ; then
1089   LIBS="-l$LibTermcap $LIBS"
1090   AC_CHECK_LIB(readline, readline, HaveLibReadline=YES, HaveLibReadline=NO)
1091 fi
1092
1093 if test $HaveLibTermcap = YES && test x"$HaveLibReadline" = xYES ; then
1094   AC_DEFINE([HAVE_READLINE_LIBS], [1], [Define to 1 if readline plus any additional libs needed for it exist.])
1095   LibsReadline="readline $LibTermcap"
1096 else
1097   AC_DEFINE([HAVE_READLINE_LIBS], [0], [Define to 1 if readline plus any additional libs needed for it exist.])
1098   LibsReadline=
1099 fi
1100 AC_SUBST(LibsReadline)
1101
1102 if test "$HaveLibReadline"; then
1103   AC_CHECK_LIB(readline, rl_erase_empty_line,
1104     [AC_DEFINE([HAVE_READLINE_4], [1], [Define to 1 if readline has version >= 4.0.])],
1105     [AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])])
1106   AC_CHECK_LIB(readline, rl_free_undo_list,
1107     [AC_DEFINE([HAVE_READLINE_4_2], [1], [Define to 1 if readline has version >= 4.2.])],
1108     [AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])])
1109 else
1110   AC_DEFINE([HAVE_READLINE_4], [0], [Define to 1 if readline has version >= 4.0.])
1111   AC_DEFINE([HAVE_READLINE_4_2], [0], [Define to 1 if readline has version >= 4.2.])
1112 fi
1113
1114 dnl ** check for math library
1115 AC_CHECK_LIB([m], [atan], [LIBS="-lm $LIBS"; LIBM="-lm"], [LIBM=])
1116 AC_SUBST([LIBM])
1117
1118 dnl ** check for X Window System
1119 AC_PATH_XTRA()
1120
1121 if test "$no_x" = yes; then
1122   GhcLibsWithX11=NO
1123 else
1124   GhcLibsWithX11=YES
1125 fi
1126 AC_SUBST([GhcLibsWithX11])
1127
1128 dnl ################################################################
1129 dnl Check for libraries
1130 dnl ################################################################
1131
1132 dnl ** check for libdl & RTLD_NEXT
1133
1134 dnl (Mac OS X only) ... but don't check if we already have the
1135 dnl HaskellSupport.framework
1136
1137 if test $HaveFrameworkHaskellSupport = YES; then
1138     HaveLibDL=NO
1139     HaveRtldNext=NO
1140     HaveRtldLocal=YES
1141     AC_DEFINE([HAVE_RTLDLOCAL], [1], [Define to 1 if RTLD_LOCAL is available.])
1142     HaveRtldGlobal=YES
1143     AC_DEFINE([HAVE_RTLDGLOBAL], [1], [Define to 1 if RTLD_GLOBAL is available.])
1144     HaveRtldNow=YES
1145     AC_DEFINE([HAVE_RTLDNOW], [1], [Define to 1 if we can see RTLD_NOW in dlfcn.h.])
1146     AC_SUBST(HaveLibDL)
1147     AC_SUBST(HaveRtldNext)
1148     AC_SUBST(HaveRtldLocal)
1149     AC_SUBST(HaveRtldGlobal)
1150     AC_SUBST(HaveRtldNow)
1151 else
1152     AC_CHECK_LIB(dl, dlopen,
1153         [HaveLibDL=YES
1154          AC_DEFINE([HAVE_LIBDL], [1], [Define to 1 if you need -ldl to get dlopen().])
1155          LIBS="$LIBS -ldl"],
1156         [HaveLibDL=NO])
1157     AC_SUBST(HaveLibDL)
1158
1159     dnl ** sometimes RTLD_NEXT is hidden in #ifdefs we really don't wan to set
1160     AC_MSG_CHECKING(for RTLD_NEXT from dlfcn.h)
1161     AC_EGREP_CPP(yes,
1162     [
1163      #include <dlfcn.h>
1164      #ifdef RTLD_NEXT
1165             yes
1166      #endif
1167     ], [
1168       AC_MSG_RESULT(yes)
1169       AC_DEFINE([HAVE_RTLDNEXT], [1], [Define to 1 if we can see RTLD_NEXT in dlfcn.h.])
1170       HaveRtldNext=YES
1171     ], [
1172       AC_MSG_RESULT(no)
1173       HaveRtldNext=NO
1174       ])
1175     AC_SUBST(HaveRtldNext)
1176
1177     dnl ** RTLD_LOCAL isn't available on cygwin or openbsd
1178     AC_MSG_CHECKING(for RTLD_LOCAL from dlfcn.h)
1179     AC_EGREP_CPP(yes,
1180     [
1181      #include <dlfcn.h>
1182      #ifdef RTLD_LOCAL
1183             yes
1184      #endif
1185     ], [
1186       AC_MSG_RESULT(yes)
1187       AC_DEFINE(HAVE_RTLDLOCAL)
1188       HaveRtldLocal=YES
1189     ], [
1190       AC_MSG_RESULT(no)
1191       HaveRtldLocal=NO
1192       ])
1193     AC_SUBST(HaveRtldLocal)
1194
1195     dnl ** RTLD_GLOBAL isn't available on openbsd
1196     AC_MSG_CHECKING(for RTLD_GLOBAL from dlfcn.h)
1197     AC_EGREP_CPP(yes,
1198     [
1199      #include <dlfcn.h>
1200      #ifdef RTLD_GLOBAL
1201             yes
1202      #endif
1203     ], [
1204       AC_MSG_RESULT(yes)
1205       AC_DEFINE(HAVE_RTLDGLOBAL)
1206       HaveRtldGlobal=YES
1207     ], [
1208       AC_MSG_RESULT(no)
1209       HaveRtldGlobal=NO
1210       ])
1211     AC_SUBST(HaveRtldGlobal)
1212
1213     dnl ** RTLD_NOW isn't available on openbsd
1214     AC_MSG_CHECKING(for RTLD_NOW from dlfcn.h)
1215     AC_EGREP_CPP(yes,
1216     [
1217      #include <dlfcn.h>
1218      #ifdef RTLD_NOW
1219             yes
1220      #endif
1221     ], [
1222       AC_MSG_RESULT(yes)
1223       AC_DEFINE(HAVE_RTLDNOW)
1224       HaveRtldNow=YES
1225     ], [
1226       AC_MSG_RESULT(no)
1227       HaveRtldNow=NO
1228       ])
1229     AC_SUBST(HaveRtldNow)
1230 fi
1231
1232 dnl --------------------------------------------------
1233 dnl * test for GTK+
1234 dnl --------------------------------------------------
1235
1236 AC_PATH_PROGS([GTK_CONFIG], [gtk-config gtk12-config])
1237 if test -n "$GTK_CONFIG"; then
1238   AC_CACHE_CHECK([for version of GTK+], [fp_cv_gtk_version],
1239     [fp_cv_gtk_version=`$GTK_CONFIG --version`])
1240   FP_COMPARE_VERSIONS([$fp_cv_gtk_version], [-lt], [1.2],
1241     [AC_MSG_WARN([GTK+ not usable, need at least version 1.2])
1242      GTK_CONFIG=])
1243 fi
1244 AC_SUBST([GTK_CONFIG])
1245
1246 dnl --------------------------------------------------
1247 dnl * Miscellaneous feature tests
1248 dnl --------------------------------------------------
1249
1250 dnl ** can we get alloca?
1251 AC_FUNC_ALLOCA
1252
1253 dnl ** Working vfork?
1254 AC_FUNC_FORK
1255
1256 dnl ** determine whether or not const works
1257 AC_C_CONST
1258
1259 dnl ** are we big endian?
1260 AC_C_BIGENDIAN
1261
1262 dnl ** check for leading underscores in symbol names
1263 FP_LEADING_UNDERSCORE
1264
1265 dnl ** check for ld, and whether ld has -x option
1266 AC_PATH_PROG(LdCmdRaw, ld)
1267 case $HostOS_CPP in
1268  mingw32)
1269         if test "${OSTYPE}" == "msys"
1270            then
1271              LdCmd=${LdCmdRaw}
1272            else
1273              LdCmd=`cygpath -w ${LdCmdRaw} | sed -e 's@\\\\@/@g' `
1274         fi
1275            ;;
1276  *) LdCmd=${LdCmdRaw}
1277     ;;
1278 esac
1279 AC_SUBST(LdCmd)
1280 FPTOOLS_LD_X
1281
1282 AC_CONFIG_FILES([mk/config.mk])
1283 AC_CONFIG_COMMANDS([mk/stamp-h],[echo timestamp > mk/stamp-h])
1284 AC_OUTPUT